diff --git a/lib/gridster/.bowerrc b/lib/gridster/.bowerrc new file mode 100644 index 0000000000..a33fd7abd9 --- /dev/null +++ b/lib/gridster/.bowerrc @@ -0,0 +1,4 @@ +{ + "directory": "libs", + "json": "package.json" +} \ No newline at end of file diff --git a/lib/gridster/.gitignore b/lib/gridster/.gitignore new file mode 100644 index 0000000000..440a178da7 --- /dev/null +++ b/lib/gridster/.gitignore @@ -0,0 +1,7 @@ +node_modules/ +libs/ +gh-pages/ +demo/ +.idea +.DS_Store +.idea diff --git a/lib/gridster/CHANGELOG.md b/lib/gridster/CHANGELOG.md new file mode 100644 index 0000000000..6d6f1a22fa --- /dev/null +++ b/lib/gridster/CHANGELOG.md @@ -0,0 +1,185 @@ + +### v0.5.6 (2014-09-25) + + +#### Bug Fixes + +* **draggable:** namespace events with unique ids ([79aff38c](http://github.com/ducksboard/gridster.js/commit/79aff38c60cc6ce2c0f0160bd3c6f93cb2511642)) + + +### v0.5.5 (2014-07-25) + + +#### Bug Fixes + +* **gridster:** fire `positionschanged` when widget orig position changes ([9926ceff](http://github.com/ducksboard/gridster.js/commit/9926ceff59cba49c71542e45aa095be35eb1df58)) + + +### v0.5.4 (2014-07-16) + + +#### Bug Fixes + +* **gridster:** serialize returns an Array object, not a jQuery object ([93df6cf6](http://github.com/ducksboard/gridster.js/commit/93df6cf6907fd0fb8787b3d068c9a9c467dcc020), closes [#394](http://github.com/ducksboard/gridster.js/issues/394)) + + +### v0.5.3 (2014-07-04) + + +#### Bug Fixes + +* **gridster:** + * custom `ignore_dragging` overwrites the default value ([6bcfa6e1](http://github.com/ducksboard/gridster.js/commit/6bcfa6e16e4a88cbb5efff1ce29308737884a89d)) + * sort widgets appropriately when reading them from DOM ([5c6d25cb](http://github.com/ducksboard/gridster.js/commit/5c6d25cbbe3de021806408f3cff6cb1e139c0a25)) + + +#### Features + +* make gridster AMD compatible ([589d7fd5](http://github.com/ducksboard/gridster.js/commit/589d7fd509a570fd02666c2f8231545211d6c83f)) +* **gridster:** move widget up when added if there is space available ([8ec307b6](http://github.com/ducksboard/gridster.js/commit/8ec307b6f7173e94610409adcb1671372cc2c67d)) + + +### v0.5.2 (2014-06-16) + + +#### Bug Fixes + +* **draggable:** + * handle both touch and click events ([021a6c23](http://github.com/ducksboard/gridster.js/commit/021a6c23e851210c1b817bd353a1e5e19ce10b90), closes [#207](http://github.com/ducksboard/gridster.js/issues/207), [#236](http://github.com/ducksboard/gridster.js/issues/236), [#329](http://github.com/ducksboard/gridster.js/issues/329), [#380](http://github.com/ducksboard/gridster.js/issues/380)) + * replaced scrollX/Y with scrollLeft/Top ([bb7463a3](http://github.com/ducksboard/gridster.js/commit/bb7463a3241750397492dfbac133cea193f0254f)) + * fix offset during drag ([c726c4ad](http://github.com/ducksboard/gridster.js/commit/c726c4ad9c18fea95e4b46b9bacd36c42aa9691c)) + * bind drag events to $document ([dd6c7420](http://github.com/ducksboard/gridster.js/commit/dd6c7420087d5810a9f6b02bf9d81a04a60ae840)) +* **gridster:** + * fix add_widget to use correct size_y when adding rows ([7d22e6c8](http://github.com/ducksboard/gridster.js/commit/7d22e6c8b201de33e33def77a93dc9009d0aa4cb)) + * Removing previously added style tags before adding new one. ([93c46ff4](http://github.com/ducksboard/gridster.js/commit/93c46ff45ebe59f3658b7f32f05b67109aa87311)) + + +#### Features + +* **draggable:** + * allow ignore_dragging config option to be a function ([69fcfe45](http://github.com/ducksboard/gridster.js/commit/69fcfe459678e833cb53de040b9fbc96dd687543)) + * option to not remove helper on drag stop ([03910df9](http://github.com/ducksboard/gridster.js/commit/03910df967a1ae7bcb2fa3aadd58255e0bcbf327)) + + +### v0.5.1 (2014-03-05) + + +#### Features + +* **collision:** overlapping region as a config option ([720d487e](http://github.com/ducksboard/gridster.js/commit/720d487e3988593e2c60909c88aaff13fbd4f842)) +* **coords:** + * allow both (left/x1) and (top/y1) attr keys ([6f22217f](http://github.com/ducksboard/gridster.js/commit/6f22217f056e4fc52f6405f2af49596105aae150)) + * add destroy method ([fdeee4f6](http://github.com/ducksboard/gridster.js/commit/fdeee4f636266c7a0579ced833f04fec013b6863)) +* **draggable:** keep container position prop if different than static ([04868a38](http://github.com/ducksboard/gridster.js/commit/04868a384d655d110f2d153d2fddb94b1c6d54a9)) +* **gridster:** destroy element's data and optionally remove from DOM ([dc09f191](http://github.com/ducksboard/gridster.js/commit/dc09f191d8503669cfa4737122c77cb0f5b9c3d2)) + + +## v0.5.0 (2014-02-14) + + +#### Bug Fixes + +* **autogrow:** refining autogrow_cols behavior and grid width issues ([835c2df8](http://github.com/ducksboard/gridster.js/commit/835c2df84419a92b1641b687fcf083f3ff102627)) +* **resize.stop:** Call resize.stop at the latest possible moment ([e21f63a0](http://github.com/ducksboard/gridster.js/commit/e21f63a05a539f5c611eb49cd6861b1e38b36531)) + + +#### Features + +* **draggable:** Add toggle draggable method. ([073fdc40](http://github.com/ducksboard/gridster.js/commit/073fdc40e0a94dd371646fc54cd420e3ddab0254)) + + +### v0.4.4 (2014-02-13) + + +#### Features + +* **resize:** add start/stop/resize event triggers ([7ca8deec](http://github.com/ducksboard/gridster.js/commit/7ca8deec8559d950097a6dc351cb0c6fcef3458d)) + + +### v0.4.3 (2014-02-11) + + +#### Bug Fixes + +* **generated-styles:** cleaning cached serializations properly ([f8b04f29](http://github.com/ducksboard/gridster.js/commit/f8b04f298e12e46ca9b07f0bae0abc6b08ed6e18)) + + +### v0.4.2 (2014-02-07) + + +#### Bug Fixes + +* recalculate grid width when adding widgets ([47745978](http://github.com/ducksboard/gridster.js/commit/4774597834300601fc81d5111a31a8c1672c55e1)) + + +### v0.4.1 (2014-02-07) + +#### Bug Fixes + +* add resize.min_size option to default config object ([5672edb0](http://github.com/ducksboard/gridster.js/commit/5672edb05e39c6b9ff5e3ca31d68c9e94dfaa617)) + + +## v0.4.0 (2014-02-07) + + +#### Bug Fixes + +* **gridster:** + * leaking options with multiple Gridster instances ([07c71097](http://github.com/ducksboard/gridster.js/commit/07c7109771094d98be51d68448a20e1d2987b35d)) + * resize.axes default option only 'both' ([62988780](http://github.com/ducksboard/gridster.js/commit/6298878077d5db129daa9780939fec5237b82af9)) +* **licenses:** add required copyright message for underscore ([b563c094](http://github.com/ducksboard/gridster.js/commit/b563c094cf0f3a5da2288492f95759ae32e8967c)) +* **readme:** link title jsfiddle -> jsbin, edit 5) of process steps ([0641aa89](http://github.com/ducksboard/gridster.js/commit/0641aa89833ecf9d167f7d8e89ee8bd5b4304248)) + + +#### Features + +* **draggable:** + * method to set drag limits dynamically ([d4482ec1](http://github.com/ducksboard/gridster.js/commit/d4482ec1476f8a0b6fb6cdeb25b7774ef678d81c)) + * support horizontal scrolling while dragging ([ae4921b7](http://github.com/ducksboard/gridster.js/commit/ae4921b70798944211267cacf8a89e62d0818369)) +* **gridster:** increase grid width when dragging or resizing ([37c4e943](http://github.com/ducksboard/gridster.js/commit/37c4e94358b9392710452b9e7f96454837bf9845)) +* **resize:** add option to set min_size of a widget ([ff511872](http://github.com/ducksboard/gridster.js/commit/ff511872e65992ee89bd2a88d862caaf99733f38)) + + +## v0.3.0 (2013-11-18) + + +#### Features + +* **draggable:** + * method to set drag limits dynamically ([d4482ec1](http://github.com/ducksboard/gridster.js/commit/d4482ec1476f8a0b6fb6cdeb25b7774ef678d81c)) + * support horizontal scrolling while dragging ([ae4921b7](http://github.com/ducksboard/gridster.js/commit/ae4921b70798944211267cacf8a89e62d0818369)) +* **gridster:** increase grid width when dragging or resizing ([b61df653](http://github.com/ducksboard/gridster.js/commit/b61df6535f728970fb8c6f25a208275dbde66550)) + + +### v0.2.1 (2013-10-28) + + +#### Features + +* **resize:** Add start/stop/resize callbacks ([d4ec7140](http://github.com/ducksboard/gridster.js/commit/d4ec7140f736bc30697c75b54ed3242ddf1d75b9)) + + +## v0.2.0 (2013-10-26) + + +#### Bug Fixes + +* fixes and improvements in widget-resizing. ([ae02b32b](http://github.com/ducksboard/gridster.js/commit/ae02b32b9210c6328f4acc339e215ae50c134f77), closes [#32](http://github.com/ducksboard/gridster.js/issues/32)) +* **gridster:** + * the preview holder should not always use `li` ([1ade74e2](http://github.com/ducksboard/gridster.js/commit/1ade74e239485b07e870fca44e1eafb3ff1ae283)) + * overlapping widget problem ([31fd8d6b](http://github.com/ducksboard/gridster.js/commit/31fd8d6ba893e4c39b91ba30d429e37f3da30b24)) + * Orphan preview holder when dragging is interrupted ([1b13617d](http://github.com/ducksboard/gridster.js/commit/1b13617df2ce53235bdf3a1e38f1555f529663c3)) + * remove_widget Returns the instance of the Gridster Class ([5bfbc5c0](http://github.com/ducksboard/gridster.js/commit/5bfbc5c0b5ab49c2a7c651327ce2e0f30f594985)) + + +#### Features + +* **draggable:** + * new config option to move or not the dragged element ([4d9b2a84](http://github.com/ducksboard/gridster.js/commit/4d9b2a84f11cb7cb2ddad51c158d92b82e7bc447)) + * CSS selectors support in `ignore_dragging` config opt ([0f956249](http://github.com/ducksboard/gridster.js/commit/0f95624925be97aee7a8450707e04e887e4dac58)) + * pass previous position to the drag callback ([055cc0e4](http://github.com/ducksboard/gridster.js/commit/055cc0e4f6f9de5721986515656ac894855f9e02)) + * Don't start new drag if previous one hasn't stopped ([91ca6572](http://github.com/ducksboard/gridster.js/commit/91ca65721c2eb32b5dec82cdc5e5e7f81dac329e)) + * pass useful data to all drag callbacks ([8dda2410](http://github.com/ducksboard/gridster.js/commit/8dda2410f300592706985c05141ca6b702977dc0)) +* **gridster:** drag-and-drop widget resizing ([e1924053](http://github.com/ducksboard/gridster.js/commit/e19240532de0bad35ffe6e5fc63934819390adc5)) +* **utils:** add delay helper to utils ([faa6c5db](http://github.com/ducksboard/gridster.js/commit/faa6c5db0002feccf681e9f919ed583eef152773)) + diff --git a/lib/gridster/CONTRIBUTING.md b/lib/gridster/CONTRIBUTING.md new file mode 100644 index 0000000000..032a9fae09 --- /dev/null +++ b/lib/gridster/CONTRIBUTING.md @@ -0,0 +1,143 @@ +# Contributing to this project + +Please take a moment to review this document in order to make the contribution +process easy and effective for everyone involved. + +Following these guidelines helps to communicate that you respect the time of +the developers managing and developing this open source project. In return, +they should reciprocate that respect in addressing your issue or assessing +patches and features. + + +## Using the issue tracker + +The issue tracker is the preferred channel for [bug reports](#bugs), +[features requests](#features) and [submitting pull +requests](#pull-requests), but please respect the following restrictions: + +* Please **do not** use the issue tracker for personal support requests (use + [Stack Overflow](http://stackoverflow.com)). + +* Please **do not** derail or troll issues. Keep the discussion on topic and + respect the opinions of others. + + + +## Bug reports + +A bug is a _demonstrable problem_ that is caused by the code in the repository. +Good bug reports are extremely helpful - thank you! + +Guidelines for bug reports: + +1. **Use the GitHub issue search** — check if the issue has already been + reported. + +2. **Check if the issue has been fixed** — try to reproduce it using the + latest `master` or development branch in the repository. + +3. **Isolate the problem** — ideally create a [reduced test + case](http://css-tricks.com/6263-reduced-test-cases/) and a live example (you can use something like [jsfiddle](http://jsfiddle.net/) or [jsbin](http://jsbin.com/)) . + +A good bug report shouldn't leave others needing to chase you up for more +information. Please try to be as detailed as possible in your report. What is +your environment? What steps will reproduce the issue? What browser(s) and OS +experience the problem? What would you expect to be the outcome? All these +details will help people to fix any potential bugs. + +Example: + +> Short and descriptive example bug report title +> +> A summary of the issue and the browser/OS environment in which it occurs. If +> suitable, include the steps required to reproduce the bug. +> +> 1. This is the first step +> 2. This is the second step +> 3. Further steps, etc. +> +> `` - a link to the reduced test case +> +> Any other information you want to share that is relevant to the issue being +> reported. This might include the lines of code that you have identified as +> causing the bug, and potential solutions (and your opinions on their +> merits). + + + +## Feature requests + +Feature requests are welcome. But take a moment to find out whether your idea +fits with the scope and aims of the project. It's up to *you* to make a strong +case to convince the project's developers of the merits of this feature. Please +provide as much detail and context as possible. + +**Please, use the GitHub issue search** to check if the feature has already been requested. + + + +## Pull requests + +Good pull requests - patches, improvements, new features - are a fantastic +help. They should remain focused in scope and avoid containing unrelated +commits. + +**Please ask first** before embarking on any significant pull request (e.g. +implementing features, refactoring code, porting to a different language), +otherwise you risk spending a lot of time working on something that the +project's developers might not want to merge into the project. + +Code must follow, mostly, these [coding conventions](http://javascript.crockford.com/code.html) . + +Adhering to the following this process is the best way to get your work +included in the project: + +1. [Fork](http://help.github.com/fork-a-repo/) the project, clone your fork, + and configure the remotes: + + ```bash + # Clone your fork of the repo into the current directory + git clone https://github.com//gridster.js + # Navigate to the newly cloned directory + cd gridster.js + # Assign the original repo to a remote called "upstream" + git remote add upstream https://github.com/ducksboard/gridster.js + ``` + +2. If you cloned a while ago, get the latest changes from upstream: + + ```bash + git checkout master + git pull upstream master + ``` + +3. Create a new topic branch (off the main project development branch) to + contain your feature, change, or fix: + + ```bash + git checkout -b + ``` + +4. Commit your changes in logical chunks. Please adhere to these [git commit + message guidelines](https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y) + or your code is unlikely be merged into the main project. Use Git's + [interactive rebase](https://help.github.com/articles/interactive-rebase) + feature to tidy up your commits before making them public. + +5. Merge or rebase the upstream development branch into your topic branch: + + ```bash + git pull --rebase upstream master + ``` + +6. Push your topic branch up to your fork: + + ```bash + git push origin + ``` + +7. [Open a Pull Request](https://help.github.com/articles/using-pull-requests/) + with a clear title and description. + +**IMPORTANT**: By submitting a patch, you agree to allow the project owner to +license your work under the same license as that used by the project. diff --git a/lib/gridster/Gruntfile.js b/lib/gridster/Gruntfile.js new file mode 100644 index 0000000000..48be913248 --- /dev/null +++ b/lib/gridster/Gruntfile.js @@ -0,0 +1,183 @@ +/*global module:false*/ +module.exports = function(grunt) { + + // Project configuration. + grunt.initConfig({ + pkg: grunt.file.readJSON('package.json'), + meta: { + banner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' + + '<%= grunt.template.today("yyyy-mm-dd") %>\n' + + '<%= pkg.homepage ? "* " + pkg.homepage : "" %>\n' + + '* Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' + + ' Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */\n\n', + + minibanner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' + + '<%= grunt.template.today("yyyy-mm-dd") %> - ' + + '<%= pkg.homepage ? "* " + pkg.homepage + " - " : "" %>' + + 'Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' + + ' Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */ ' + }, + concat: { + options: { + stripBanners: true, + banner: '<%= meta.banner %>' + }, + dist_js: { + src: ['src/jquery.coords.js', 'src/jquery.collision.js', 'src/utils.js', 'src/jquery.draggable.js', 'src/jquery.<%= pkg.name %>.js'], + dest: 'dist/jquery.<%= pkg.name %>.js' + }, + + dist_extras_js: { + src: ['src/jquery.coords.js', 'src/jquery.collision.js', 'src/utils.js', 'src/jquery.draggable.js', 'src/jquery.<%= pkg.name %>.js', 'src/jquery.<%= pkg.name %>.extras.js'], + dest: 'dist/jquery.<%= pkg.name %>.with-extras.js' + }, + + dist_css: { + src: ['src/jquery.<%= pkg.name %>.css'], + dest: 'dist/jquery.<%= pkg.name %>.css' + }, + + dist_demo_js: { + src: ['src/jquery.coords.js', 'src/jquery.collision.js', 'src/utils.js', 'src/jquery.draggable.js', 'src/jquery.<%= pkg.name %>.js'], + dest: 'gh-pages/dist/jquery.<%= pkg.name %>.js' + }, + + dist_extras_demo_js: { + src: ['src/jquery.coords.js', 'src/jquery.collision.js', 'src/utils.js', 'src/jquery.draggable.js', 'src/jquery.<%= pkg.name %>.js', 'src/jquery.<%= pkg.name %>.extras.js'], + dest: 'gh-pages/dist/jquery.<%= pkg.name %>.with-extras.js' + }, + + dist_demo_css: { + src: ['src/jquery.<%= pkg.name %>.css'], + dest: 'gh-pages/dist/jquery.<%= pkg.name %>.css' + } + }, + uglify: { + options: { + banner: '<%= meta.minibanner %>' + }, + dist: { + files: { + 'dist/jquery.<%= pkg.name %>.min.js': ['<%= concat.dist_js.dest %>'] + } + }, + + dist_extras: { + files: { + 'dist/jquery.<%= pkg.name %>.with-extras.min.js': ['<%= concat.dist_extras_js.dest %>'] + } + }, + + dist_demo: { + files: { + 'gh-pages/dist/jquery.<%= pkg.name %>.min.js': ['<%= concat.dist_js.dest %>'], + } + }, + + dist_extras_demo: { + files: { + 'gh-pages/dist/jquery.<%= pkg.name %>.with-extras.min.js': ['<%= concat.dist_extras_js.dest %>'] + } + } + }, + cssmin: { + compress: { + options: { + keepSpecialComments: 0, + banner: '<%= meta.minibanner %>' + }, + files: { + "dist/jquery.<%= pkg.name %>.min.css": ["dist/jquery.<%= pkg.name %>.css"], + "gh-pages/dist/jquery.<%= pkg.name %>.min.css": ["dist/jquery.<%= pkg.name %>.css"] + } + } + }, + jshint: { + files: ['grunt.js', 'src/**/*.js', 'test/**/*.js'] + }, + watch: { + files: ['<%= lint.files %>', 'src/jquery.<%= pkg.name %>.css'], + tasks: 'min concat' + }, + jshint: { + options: { + curly: true, + eqeqeq: true, + immed: true, + latedef: true, + newcap: true, + noarg: true, + sub: true, + undef: true, + boss: true, + eqnull: true, + browser: true + }, + globals: { + jQuery: true + } + }, + yuidoc: { + compile: { + "name": 'gridster.js', + "description": 'gridster.js, a drag-and-drop multi-column jQuery grid plugin', + "version": '0.1.0', + "url": 'http://gridster.net/', + "logo": 'https://ducksboard.com/static/images/svg/logo-ducksboard-black-small.svg', + options: { + paths: "src/", + outdir: "gh-pages/docs/" + } + } + }, + + bump: { + options: { + files: ['package.json'], + updateConfigs: ['pkg'], + commit: true, + commitMessage: 'Release v%VERSION%', + commitFiles: ['package.json', 'CHANGELOG.md', 'dist/'], // '-a' for all files + createTag: true, + tagName: 'v%VERSION%', + tagMessage: 'Version %VERSION%', + push: false, + pushTo: 'origin', + gitDescribeOptions: '--tags --always --abbrev=1 --dirty=-d' // options to use with '$ git describe' + } + }, + + changelog: { + options: { + dest: 'CHANGELOG.md' + } + }, + + watch: { + files: ['libs/*.js', 'src/*.js', 'src/*.css', 'Gruntfile.js'], + tasks: ['concat', 'uglify', 'cssmin'] + } + }); + + + grunt.loadNpmTasks('grunt-contrib-watch'); + grunt.loadNpmTasks('grunt-contrib-jshint'); + grunt.loadNpmTasks('grunt-contrib-concat'); + grunt.loadNpmTasks('grunt-contrib-uglify'); + grunt.loadNpmTasks('grunt-contrib-cssmin'); + grunt.loadNpmTasks('grunt-contrib-yuidoc'); + grunt.loadNpmTasks('grunt-bump'); + grunt.loadNpmTasks('grunt-conventional-changelog'); + + // Default task. + grunt.registerTask('default', ['jshint', 'concat', 'uglify', 'cssmin']); + grunt.registerTask('build', ['default']); + grunt.registerTask('docs', ['yuidoc']); + + grunt.registerTask('release', ['build', 'bump-only:patch', 'build', 'docs', 'changelog']); + grunt.registerTask('release:minor', ['build', 'bump-only:minor', 'build', 'docs', 'changelog']); + grunt.registerTask('release:major', ['build', 'bump-only:major', 'build', 'docs', 'changelog']); + grunt.registerTask('release:git', ['build', 'bump-only:git', 'build', 'docs', 'changelog', 'bump-commit']); + grunt.registerTask('release:commit', ['bump-commit']); + +}; diff --git a/lib/gridster/LICENSE b/lib/gridster/LICENSE new file mode 100644 index 0000000000..869f81f5b6 --- /dev/null +++ b/lib/gridster/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2012 Ducksboard + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/lib/gridster/README.md b/lib/gridster/README.md new file mode 100644 index 0000000000..00eff37f2b --- /dev/null +++ b/lib/gridster/README.md @@ -0,0 +1,50 @@ +Gridster.js +=========== + +[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/ducksboard/gridster.js/trend.png)](https://bitdeli.com/free "Bitdeli Badge") + +Gridster is a jQuery plugin that makes building intuitive draggable +layouts from elements spanning multiple columns. You can even +dynamically add and remove elements from the grid. + +More at [http://gridster.net/](http://gridster.net/). + +[Releases](https://github.com/ducksboard/gridster.js/releases) + +[CHANGELOG](https://github.com/ducksboard/gridster.js/blob/master/CHANGELOG.md) + +Gridster is maintained by Ducksboard occasionally but not actively. +@dustmoo and @pushmatrix have also write permissions as Gridster maintainers +they are. Thank you guys! + +## Forks + +Mr @dustmoo (maintainer of Gridster) has his own fork of gridster.js +with some new interesting features like widget-swapping and static widgets. + +Can be found here: [dustmoo/gridster.js](https://github.com/dustmoo/gridster.js) + +@dustmoo is working in his spare time to merge all these changes into +ducksboard/gridster.js + +If anyone would like to help @dustmoo improve his fork and reconcile +it with the main library he would be happy for the help. + + +## Contributing to this project + +Anyone and everyone is welcome to contribute. Please take a moment to review the guidelines for contributing. + +* [Bug reports](CONTRIBUTING.md#bugs) +* [Feature requests](CONTRIBUTING.md#features) +* [Pull requests](CONTRIBUTING.md#pull-requests) + + +## License + +Distributed under the MIT license. + +## Whodunit + +Gridster is built by [Ducksboard](http://ducksboard.com/) with the help of all +these [wonderful people](https://github.com/ducksboard/gridster.js/graphs/contributors). diff --git a/lib/gridster/dist/jquery.gridster.css b/lib/gridster/dist/jquery.gridster.css new file mode 100644 index 0000000000..2d1ae608fe --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.css @@ -0,0 +1,121 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 +* http://gridster.net/ +* Copyright (c) 2014 ducksboard; Licensed MIT */ + +.gridster { + position:relative; +} + +.gridster > * { + margin: 0 auto; + -webkit-transition: height .4s, width .4s; + -moz-transition: height .4s, width .4s; + -o-transition: height .4s, width .4s; + -ms-transition: height .4s, width .4s; + transition: height .4s, width .4s; +} + +.gridster .gs-w { + z-index: 2; + position: absolute; +} + +.ready .gs-w:not(.preview-holder) { + -webkit-transition: opacity .3s, left .3s, top .3s; + -moz-transition: opacity .3s, left .3s, top .3s; + -o-transition: opacity .3s, left .3s, top .3s; + transition: opacity .3s, left .3s, top .3s; +} + +.ready .gs-w:not(.preview-holder), +.ready .resize-preview-holder { + -webkit-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + -moz-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + -o-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; +} + +.gridster .preview-holder { + z-index: 1; + position: absolute; + background-color: #fff; + border-color: #fff; + opacity: 0.3; +} + +.gridster .player-revert { + z-index: 10!important; + -webkit-transition: left .3s, top .3s!important; + -moz-transition: left .3s, top .3s!important; + -o-transition: left .3s, top .3s!important; + transition: left .3s, top .3s!important; +} + +.gridster .dragging, +.gridster .resizing { + z-index: 10!important; + -webkit-transition: all 0s !important; + -moz-transition: all 0s !important; + -o-transition: all 0s !important; + transition: all 0s !important; +} + + +.gs-resize-handle { + position: absolute; + z-index: 1; +} + +.gs-resize-handle-both { + width: 20px; + height: 20px; + bottom: -8px; + right: -8px; + background-image: url('data:image/svg+xml;base64,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'); + background-position: top left; + background-repeat: no-repeat; + cursor: se-resize; + z-index: 20; +} + +.gs-resize-handle-x { + top: 0; + bottom: 13px; + right: -5px; + width: 10px; + cursor: e-resize; +} + +.gs-resize-handle-y { + left: 0; + right: 13px; + bottom: -5px; + height: 10px; + cursor: s-resize; +} + +.gs-w:hover .gs-resize-handle, +.resizing .gs-resize-handle { + opacity: 1; +} + +.gs-resize-handle, +.gs-w.dragging .gs-resize-handle { + opacity: 0; +} + +.gs-resize-disabled .gs-resize-handle { + display: none!important; +} + +[data-max-sizex="1"] .gs-resize-handle-x, +[data-max-sizey="1"] .gs-resize-handle-y, +[data-max-sizey="1"][data-max-sizex="1"] .gs-resize-handle { + display: none !important; +} + +/* Uncomment this if you set helper : "clone" in draggable options */ +/*.gridster .player { + opacity:0; +} +*/ \ No newline at end of file diff --git a/lib/gridster/dist/jquery.gridster.js b/lib/gridster/dist/jquery.gridster.js new file mode 100644 index 0000000000..b9ebb277bc --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.js @@ -0,0 +1,3987 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 +* http://gridster.net/ +* Copyright (c) 2014 ducksboard; Licensed MIT */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-coords', ['jquery'], factory); + } else { + root.GridsterCoords = factory(root.$ || root.jQuery); + } + +}(this, function($) { + /** + * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height) + * to simulate DOM elements on the screen. + * Coords is used by Gridster to create a faux grid with any DOM element can + * collide. + * + * @class Coords + * @param {HTMLElement|Object} obj The jQuery HTMLElement or a object with: left, + * top, width and height properties. + * @return {Object} Coords instance. + * @constructor + */ + function Coords(obj) { + if (obj[0] && $.isPlainObject(obj[0])) { + this.data = obj[0]; + }else { + this.el = obj; + } + + this.isCoords = true; + this.coords = {}; + this.init(); + return this; + } + + + var fn = Coords.prototype; + + + fn.init = function(){ + this.set(); + this.original_coords = this.get(); + }; + + + fn.set = function(update, not_update_offsets) { + var el = this.el; + + if (el && !update) { + this.data = el.offset(); + this.data.width = el.width(); + this.data.height = el.height(); + } + + if (el && update && !not_update_offsets) { + var offset = el.offset(); + this.data.top = offset.top; + this.data.left = offset.left; + } + + var d = this.data; + + typeof d.left === 'undefined' && (d.left = d.x1); + typeof d.top === 'undefined' && (d.top = d.y1); + + this.coords.x1 = d.left; + this.coords.y1 = d.top; + this.coords.x2 = d.left + d.width; + this.coords.y2 = d.top + d.height; + this.coords.cx = d.left + (d.width / 2); + this.coords.cy = d.top + (d.height / 2); + this.coords.width = d.width; + this.coords.height = d.height; + this.coords.el = el || false ; + + return this; + }; + + + fn.update = function(data){ + if (!data && !this.el) { + return this; + } + + if (data) { + var new_data = $.extend({}, this.data, data); + this.data = new_data; + return this.set(true, true); + } + + this.set(true); + return this; + }; + + + fn.get = function(){ + return this.coords; + }; + + fn.destroy = function() { + this.el.removeData('coords'); + delete this.el; + }; + + //jQuery adapter + $.fn.coords = function() { + if (this.data('coords') ) { + return this.data('coords'); + } + + var ins = new Coords(this, arguments[0]); + this.data('coords', ins); + return ins; + }; + + return Coords; + +})); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-collision', ['jquery', 'gridster-coords'], factory); + } else { + root.GridsterCollision = factory(root.$ || root.jQuery, + root.GridsterCoords); + } + +}(this, function($, Coords) { + + var defaults = { + colliders_context: document.body, + overlapping_region: 'C' + // ,on_overlap: function(collider_data){}, + // on_overlap_start : function(collider_data){}, + // on_overlap_stop : function(collider_data){} + }; + + + /** + * Detects collisions between a DOM element against other DOM elements or + * Coords objects. + * + * @class Collision + * @uses Coords + * @param {HTMLElement} el The jQuery wrapped HTMLElement. + * @param {HTMLElement|Array} colliders Can be a jQuery collection + * of HTMLElements or an Array of Coords instances. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {String} [options.overlapping_region] Determines when collision + * is valid, depending on the overlapped area. Values can be: 'N', 'S', + * 'W', 'E', 'C' or 'all'. Default is 'C'. + * @param {Function} [options.on_overlap_start] Executes a function the first + * time each `collider ` is overlapped. + * @param {Function} [options.on_overlap_stop] Executes a function when a + * `collider` is no longer collided. + * @param {Function} [options.on_overlap] Executes a function when the + * mouse is moved during the collision. + * @return {Object} Collision instance. + * @constructor + */ + function Collision(el, colliders, options) { + this.options = $.extend(defaults, options); + this.$element = el; + this.last_colliders = []; + this.last_colliders_coords = []; + this.set_colliders(colliders); + + this.init(); + } + + Collision.defaults = defaults; + + var fn = Collision.prototype; + + + fn.init = function() { + this.find_collisions(); + }; + + + fn.overlaps = function(a, b) { + var x = false; + var y = false; + + if ((b.x1 >= a.x1 && b.x1 <= a.x2) || + (b.x2 >= a.x1 && b.x2 <= a.x2) || + (a.x1 >= b.x1 && a.x2 <= b.x2) + ) { x = true; } + + if ((b.y1 >= a.y1 && b.y1 <= a.y2) || + (b.y2 >= a.y1 && b.y2 <= a.y2) || + (a.y1 >= b.y1 && a.y2 <= b.y2) + ) { y = true; } + + return (x && y); + }; + + + fn.detect_overlapping_region = function(a, b){ + var regionX = ''; + var regionY = ''; + + if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } + if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } + if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } + if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } + + return (regionX + regionY) || 'C'; + }; + + + fn.calculate_overlapped_area_coords = function(a, b){ + var x1 = Math.max(a.x1, b.x1); + var y1 = Math.max(a.y1, b.y1); + var x2 = Math.min(a.x2, b.x2); + var y2 = Math.min(a.y2, b.y2); + + return $({ + left: x1, + top: y1, + width : (x2 - x1), + height: (y2 - y1) + }).coords().get(); + }; + + + fn.calculate_overlapped_area = function(coords){ + return (coords.width * coords.height); + }; + + + fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ + var last = this.last_colliders_coords; + + for (var i = 0, il = last.length; i < il; i++) { + if ($.inArray(last[i], new_colliders_coords) === -1) { + start_callback.call(this, last[i]); + } + } + + for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { + if ($.inArray(new_colliders_coords[j], last) === -1) { + stop_callback.call(this, new_colliders_coords[j]); + } + + } + }; + + + fn.find_collisions = function(player_data_coords){ + var self = this; + var overlapping_region = this.options.overlapping_region; + var colliders_coords = []; + var colliders_data = []; + var $colliders = (this.colliders || this.$colliders); + var count = $colliders.length; + var player_coords = self.$element.coords() + .update(player_data_coords || false).get(); + + while(count--){ + var $collider = self.$colliders ? + $($colliders[count]) : $colliders[count]; + var $collider_coords_ins = ($collider.isCoords) ? + $collider : $collider.coords(); + var collider_coords = $collider_coords_ins.get(); + var overlaps = self.overlaps(player_coords, collider_coords); + + if (!overlaps) { + continue; + } + + var region = self.detect_overlapping_region( + player_coords, collider_coords); + + //todo: make this an option + if (region === overlapping_region || overlapping_region === 'all') { + + var area_coords = self.calculate_overlapped_area_coords( + player_coords, collider_coords); + var area = self.calculate_overlapped_area(area_coords); + var collider_data = { + area: area, + area_coords : area_coords, + region: region, + coords: collider_coords, + player_coords: player_coords, + el: $collider + }; + + if (self.options.on_overlap) { + self.options.on_overlap.call(this, collider_data); + } + colliders_coords.push($collider_coords_ins); + colliders_data.push(collider_data); + } + } + + if (self.options.on_overlap_stop || self.options.on_overlap_start) { + this.manage_colliders_start_stop(colliders_coords, + self.options.on_overlap_start, self.options.on_overlap_stop); + } + + this.last_colliders_coords = colliders_coords; + + return colliders_data; + }; + + + fn.get_closest_colliders = function(player_data_coords){ + var colliders = this.find_collisions(player_data_coords); + + colliders.sort(function(a, b) { + /* if colliders are being overlapped by the "C" (center) region, + * we have to set a lower index in the array to which they are placed + * above in the grid. */ + if (a.region === 'C' && b.region === 'C') { + if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { + return - 1; + }else{ + return 1; + } + } + + if (a.area < b.area) { + return 1; + } + + return 1; + }); + return colliders; + }; + + + fn.set_colliders = function(colliders) { + if (typeof colliders === 'string' || colliders instanceof $) { + this.$colliders = $(colliders, + this.options.colliders_context).not(this.$element); + }else{ + this.colliders = $(colliders); + } + }; + + + //jQuery adapter + $.fn.collision = function(collider, options) { + return new Collision( this, collider, options ); + }; + + return Collision; + +})); + +;(function(window, undefined) { + + /* Delay, debounce and throttle functions taken from underscore.js + * + * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and + * Investigative Reporters & Editors + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + window.delay = function(func, wait) { + var args = Array.prototype.slice.call(arguments, 2); + return setTimeout(function(){ return func.apply(null, args); }, wait); + }; + + window.debounce = function(func, wait, immediate) { + var timeout; + return function() { + var context = this, args = arguments; + var later = function() { + timeout = null; + if (!immediate) func.apply(context, args); + }; + if (immediate && !timeout) func.apply(context, args); + clearTimeout(timeout); + timeout = setTimeout(later, wait); + }; + }; + + window.throttle = function(func, wait) { + var context, args, timeout, throttling, more, result; + var whenDone = debounce( + function(){ more = throttling = false; }, wait); + return function() { + context = this; args = arguments; + var later = function() { + timeout = null; + if (more) func.apply(context, args); + whenDone(); + }; + if (!timeout) timeout = setTimeout(later, wait); + if (throttling) { + more = true; + } else { + result = func.apply(context, args); + } + whenDone(); + throttling = true; + return result; + }; + }; + +})(window); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-draggable', ['jquery'], factory); + } else { + root.GridsterDraggable = factory(root.$ || root.jQuery); + } + +}(this, function($) { + + var defaults = { + items: 'li', + distance: 1, + limit: true, + offset_left: 0, + autoscroll: true, + ignore_dragging: ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'], // or function + handle: null, + container_width: 0, // 0 == auto + move_element: true, + helper: false, // or 'clone' + remove_helper: true + // drag: function(e) {}, + // start : function(e, ui) {}, + // stop : function(e) {} + }; + + var $window = $(window); + var dir_map = { x : 'left', y : 'top' }; + var isTouch = !!('ontouchstart' in window); + + var capitalize = function(str) { + return str.charAt(0).toUpperCase() + str.slice(1); + }; + + var idCounter = 0; + var uniqId = function() { + return ++idCounter + ''; + } + + /** + * Basic drag implementation for DOM elements inside a container. + * Provide start/stop/drag callbacks. + * + * @class Draggable + * @param {HTMLElement} el The HTMLelement that contains all the widgets + * to be dragged. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.items] Define who will + * be the draggable items. Can be a CSS Selector String or a + * collection of HTMLElements. + * @param {Number} [options.distance] Distance in pixels after mousedown + * the mouse must move before dragging should start. + * @param {Boolean} [options.limit] Constrains dragging to the width of + * the container + * @param {Object|Function} [options.ignore_dragging] Array of node names + * that sould not trigger dragging, by default is `['INPUT', 'TEXTAREA', + * 'SELECT', 'BUTTON']`. If a function is used return true to ignore dragging. + * @param {offset_left} [options.offset_left] Offset added to the item + * that is being dragged. + * @param {Number} [options.drag] Executes a callback when the mouse is + * moved during the dragging. + * @param {Number} [options.start] Executes a callback when the drag + * starts. + * @param {Number} [options.stop] Executes a callback when the drag stops. + * @return {Object} Returns `el`. + * @constructor + */ + function Draggable(el, options) { + this.options = $.extend({}, defaults, options); + this.$document = $(document); + this.$container = $(el); + this.$dragitems = $(this.options.items, this.$container); + this.is_dragging = false; + this.player_min_left = 0 + this.options.offset_left; + this.id = uniqId(); + this.ns = '.gridster-draggable-' + this.id; + this.init(); + } + + Draggable.defaults = defaults; + + var fn = Draggable.prototype; + + fn.init = function() { + var pos = this.$container.css('position'); + this.calculate_dimensions(); + this.$container.css('position', pos === 'static' ? 'relative' : pos); + this.disabled = false; + this.events(); + + $(window).bind(this.nsEvent('resize'), + throttle($.proxy(this.calculate_dimensions, this), 200)); + }; + + fn.nsEvent = function(ev) { + return (ev || '') + this.ns; + }; + + fn.events = function() { + this.pointer_events = { + start: this.nsEvent('touchstart') + ' ' + this.nsEvent('mousedown'), + move: this.nsEvent('touchmove') + ' ' + this.nsEvent('mousemove'), + end: this.nsEvent('touchend') + ' ' + this.nsEvent('mouseup'), + }; + + this.$container.on(this.nsEvent('selectstart'), + $.proxy(this.on_select_start, this)); + + this.$container.on(this.pointer_events.start, this.options.items, + $.proxy(this.drag_handler, this)); + + this.$document.on(this.pointer_events.end, $.proxy(function(e) { + this.is_dragging = false; + if (this.disabled) { return; } + this.$document.off(this.pointer_events.move); + if (this.drag_start) { + this.on_dragstop(e); + } + }, this)); + }; + + fn.get_actual_pos = function($el) { + var pos = $el.position(); + return pos; + }; + + + fn.get_mouse_pos = function(e) { + if (e.originalEvent && e.originalEvent.touches) { + var oe = e.originalEvent; + e = oe.touches.length ? oe.touches[0] : oe.changedTouches[0]; + } + + return { + left: e.clientX, + top: e.clientY + }; + }; + + + fn.get_offset = function(e) { + e.preventDefault(); + var mouse_actual_pos = this.get_mouse_pos(e); + var diff_x = Math.round( + mouse_actual_pos.left - this.mouse_init_pos.left); + var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top); + + var left = Math.round(this.el_init_offset.left + + diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x); + var top = Math.round(this.el_init_offset.top + + diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y); + + if (this.options.limit) { + if (left > this.player_max_left) { + left = this.player_max_left; + } else if(left < this.player_min_left) { + left = this.player_min_left; + } + } + + return { + position: { + left: left, + top: top + }, + pointer: { + left: mouse_actual_pos.left, + top: mouse_actual_pos.top, + diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x), + diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y) + } + }; + }; + + + fn.get_drag_data = function(e) { + var offset = this.get_offset(e); + offset.$player = this.$player; + offset.$helper = this.helper ? this.$helper : this.$player; + + return offset; + }; + + + fn.set_limits = function(container_width) { + container_width || (container_width = this.$container.width()); + this.player_max_left = (container_width - this.player_width + + - this.options.offset_left); + + this.options.container_width = container_width; + + return this; + }; + + + fn.scroll_in = function(axis, data) { + var dir_prop = dir_map[axis]; + + var area_size = 50; + var scroll_inc = 30; + + var is_x = axis === 'x'; + var window_size = is_x ? this.window_width : this.window_height; + var doc_size = is_x ? $(document).width() : $(document).height(); + var player_size = is_x ? this.$player.width() : this.$player.height(); + + var next_scroll; + var scroll_offset = $window['scroll' + capitalize(dir_prop)](); + var min_window_pos = scroll_offset; + var max_window_pos = min_window_pos + window_size; + + var mouse_next_zone = max_window_pos - area_size; // down/right + var mouse_prev_zone = min_window_pos + area_size; // up/left + + var abs_mouse_pos = min_window_pos + data.pointer[dir_prop]; + + var max_player_pos = (doc_size - window_size + player_size); + + if (abs_mouse_pos >= mouse_next_zone) { + next_scroll = scroll_offset + scroll_inc; + if (next_scroll < max_player_pos) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] += scroll_inc; + } + } + + if (abs_mouse_pos <= mouse_prev_zone) { + next_scroll = scroll_offset - scroll_inc; + if (next_scroll > 0) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] -= scroll_inc; + } + } + + return this; + }; + + + fn.manage_scroll = function(data) { + this.scroll_in('x', data); + this.scroll_in('y', data); + }; + + + fn.calculate_dimensions = function(e) { + this.window_height = $window.height(); + this.window_width = $window.width(); + }; + + + fn.drag_handler = function(e) { + var node = e.target.nodeName; + // skip if drag is disabled, or click was not done with the mouse primary button + if (this.disabled || e.which !== 1 && !isTouch) { + return; + } + + if (this.ignore_drag(e)) { + return; + } + + var self = this; + var first = true; + this.$player = $(e.currentTarget); + + this.el_init_pos = this.get_actual_pos(this.$player); + this.mouse_init_pos = this.get_mouse_pos(e); + this.offsetY = this.mouse_init_pos.top - this.el_init_pos.top; + + this.$document.on(this.pointer_events.move, function(mme) { + var mouse_actual_pos = self.get_mouse_pos(mme); + var diff_x = Math.abs( + mouse_actual_pos.left - self.mouse_init_pos.left); + var diff_y = Math.abs( + mouse_actual_pos.top - self.mouse_init_pos.top); + if (!(diff_x > self.options.distance || + diff_y > self.options.distance) + ) { + return false; + } + + if (first) { + first = false; + self.on_dragstart.call(self, mme); + return false; + } + + if (self.is_dragging === true) { + self.on_dragmove.call(self, mme); + } + + return false; + }); + + if (!isTouch) { return false; } + }; + + + fn.on_dragstart = function(e) { + e.preventDefault(); + + if (this.is_dragging) { return this; } + + this.drag_start = this.is_dragging = true; + var offset = this.$container.offset(); + this.baseX = Math.round(offset.left); + this.baseY = Math.round(offset.top); + this.initial_container_width = this.options.container_width || this.$container.width(); + + if (this.options.helper === 'clone') { + this.$helper = this.$player.clone() + .appendTo(this.$container).addClass('helper'); + this.helper = true; + } else { + this.helper = false; + } + + this.win_offset_y = $(window).scrollTop(); + this.win_offset_x = $(window).scrollLeft(); + this.scroll_offset_y = 0; + this.scroll_offset_x = 0; + this.el_init_offset = this.$player.offset(); + this.player_width = this.$player.width(); + this.player_height = this.$player.height(); + + this.set_limits(this.options.container_width); + + if (this.options.start) { + this.options.start.call(this.$player, e, this.get_drag_data(e)); + } + return false; + }; + + + fn.on_dragmove = function(e) { + var data = this.get_drag_data(e); + + this.options.autoscroll && this.manage_scroll(data); + + if (this.options.move_element) { + (this.helper ? this.$helper : this.$player).css({ + 'position': 'absolute', + 'left' : data.position.left, + 'top' : data.position.top + }); + } + + var last_position = this.last_position || data.position; + data.prev_position = last_position; + + if (this.options.drag) { + this.options.drag.call(this.$player, e, data); + } + + this.last_position = data.position; + return false; + }; + + + fn.on_dragstop = function(e) { + var data = this.get_drag_data(e); + this.drag_start = false; + + if (this.options.stop) { + this.options.stop.call(this.$player, e, data); + } + + if (this.helper && this.options.remove_helper) { + this.$helper.remove(); + } + + return false; + }; + + fn.on_select_start = function(e) { + if (this.disabled) { return; } + + if (this.ignore_drag(e)) { + return; + } + + return false; + }; + + fn.enable = function() { + this.disabled = false; + }; + + fn.disable = function() { + this.disabled = true; + }; + + fn.destroy = function() { + this.disable(); + + this.$container.off(this.ns); + this.$document.off(this.ns); + $(window).off(this.ns); + + $.removeData(this.$container, 'drag'); + }; + + fn.ignore_drag = function(event) { + if (this.options.handle) { + return !$(event.target).is(this.options.handle); + } + + if ($.isFunction(this.options.ignore_dragging)) { + return this.options.ignore_dragging(event); + } + + return $(event.target).is(this.options.ignore_dragging.join(', ')); + }; + + //jQuery adapter + $.fn.drag = function ( options ) { + return new Draggable(this, options); + }; + + return Draggable; + +})); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define(['jquery', 'gridster-draggable', 'gridster-collision'], factory); + } else { + root.Gridster = factory(root.$ || root.jQuery, root.GridsterDraggable, + root.GridsterCollision); + } + + }(this, function($, Draggable, Collision) { + + var defaults = { + namespace: '', + widget_selector: 'li', + widget_margins: [10, 10], + widget_base_dimensions: [400, 225], + extra_rows: 0, + extra_cols: 0, + min_cols: 1, + max_cols: Infinity, + min_rows: 15, + max_size_x: false, + autogrow_cols: false, + autogenerate_stylesheet: true, + avoid_overlapped_widgets: true, + auto_init: true, + serialize_params: function($w, wgd) { + return { + col: wgd.col, + row: wgd.row, + size_x: wgd.size_x, + size_y: wgd.size_y + }; + }, + collision: {}, + draggable: { + items: '.gs-w', + distance: 4, + ignore_dragging: Draggable.defaults.ignore_dragging.slice(0) + }, + resize: { + enabled: false, + axes: ['both'], + handle_append_to: '', + handle_class: 'gs-resize-handle', + max_size: [Infinity, Infinity], + min_size: [1, 1] + } + }; + + /** + * @class Gridster + * @uses Draggable + * @uses Collision + * @param {HTMLElement} el The HTMLelement that contains all the widgets. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.widget_selector] Define who will + * be the draggable widgets. Can be a CSS Selector String or a + * collection of HTMLElements + * @param {Array} [options.widget_margins] Margin between widgets. + * The first index for the horizontal margin (left, right) and + * the second for the vertical margin (top, bottom). + * @param {Array} [options.widget_base_dimensions] Base widget dimensions + * in pixels. The first index for the width and the second for the + * height. + * @param {Number} [options.extra_cols] Add more columns in addition to + * those that have been calculated. + * @param {Number} [options.extra_rows] Add more rows in addition to + * those that have been calculated. + * @param {Number} [options.min_cols] The minimum required columns. + * @param {Number} [options.max_cols] The maximum columns possible (set to null + * for no maximum). + * @param {Number} [options.min_rows] The minimum required rows. + * @param {Number} [options.max_size_x] The maximum number of columns + * that a widget can span. + * @param {Boolean} [options.autogenerate_stylesheet] If true, all the + * CSS required to position all widgets in their respective columns + * and rows will be generated automatically and injected to the + * `` of the document. You can set this to false, and write + * your own CSS targeting rows and cols via data-attributes like so: + * `[data-col="1"] { left: 10px; }` + * @param {Boolean} [options.avoid_overlapped_widgets] Avoid that widgets loaded + * from the DOM can be overlapped. It is helpful if the positions were + * bad stored in the database or if there was any conflict. + * @param {Boolean} [options.auto_init] Automatically call gridster init + * method or not when the plugin is instantiated. + * @param {Function} [options.serialize_params] Return the data you want + * for each widget in the serialization. Two arguments are passed: + * `$w`: the jQuery wrapped HTMLElement, and `wgd`: the grid + * coords object (`col`, `row`, `size_x`, `size_y`). + * @param {Object} [options.collision] An Object with all options for + * Collision class you want to overwrite. See Collision docs for + * more info. + * @param {Object} [options.draggable] An Object with all options for + * Draggable class you want to overwrite. See Draggable docs for more + * info. + * @param {Object|Function} [options.draggable.ignore_dragging] Note that + * if you use a Function, and resize is enabled, you should ignore the + * resize handlers manually (options.resize.handle_class). + * @param {Object} [options.resize] An Object with resize config options. + * @param {Boolean} [options.resize.enabled] Set to true to enable + * resizing. + * @param {Array} [options.resize.axes] Axes in which widgets can be + * resized. Possible values: ['x', 'y', 'both']. + * @param {String} [options.resize.handle_append_to] Set a valid CSS + * selector to append resize handles to. + * @param {String} [options.resize.handle_class] CSS class name used + * by resize handles. + * @param {Array} [options.resize.max_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[max_cols_occupied, max_rows_occupied]` + * @param {Array} [options.resize.min_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[min_cols_occupied, min_rows_occupied]` + * @param {Function} [options.resize.start] Function executed + * when resizing starts. + * @param {Function} [otions.resize.resize] Function executed + * during the resizing. + * @param {Function} [options.resize.stop] Function executed + * when resizing stops. + * + * @constructor + */ + function Gridster(el, options) { + this.options = $.extend(true, {}, defaults, options); + this.$el = $(el); + this.$wrapper = this.$el.parent(); + this.$widgets = this.$el.children( + this.options.widget_selector).addClass('gs-w'); + this.widgets = []; + this.$changed = $([]); + this.wrapper_width = this.$wrapper.width(); + this.min_widget_width = (this.options.widget_margins[0] * 2) + + this.options.widget_base_dimensions[0]; + this.min_widget_height = (this.options.widget_margins[1] * 2) + + this.options.widget_base_dimensions[1]; + + this.generated_stylesheets = []; + this.$style_tags = $([]); + + this.options.auto_init && this.init(); + } + + Gridster.defaults = defaults; + Gridster.generated_stylesheets = []; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in ascending way. + * + * @method sort_by_row_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (!a.row) { + a = $(a).coords().grid; + b = $(b).coords().grid; + } + + if (a.row > b.row) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) placing first the empty cells upper left. + * + * @method sort_by_row_and_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_and_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row > b.row || a.row === b.row && a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects by column (representing the grid + * coords of each widget) in ascending way. + * + * @method sort_by_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method sort_by_row_desc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_desc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row + a.size_y < b.row + b.size_y) { + return 1; + } + return -1; + }); + return widgets; + }; + + + + /** Instance Methods **/ + + var fn = Gridster.prototype; + + fn.init = function() { + this.options.resize.enabled && this.setup_resize(); + this.generate_grid_and_stylesheet(); + this.get_widgets_from_DOM(); + this.set_dom_grid_height(); + this.set_dom_grid_width(); + this.$wrapper.addClass('ready'); + this.draggable(); + this.options.resize.enabled && this.resizable(); + + $(window).bind('resize.gridster', throttle( + $.proxy(this.recalculate_faux_grid, this), 200)); + }; + + + /** + * Disables dragging. + * + * @method disable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.disable = function() { + this.$wrapper.find('.player-revert').removeClass('player-revert'); + this.drag_api.disable(); + return this; + }; + + + /** + * Enables dragging. + * + * @method enable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.enable = function() { + this.drag_api.enable(); + return this; + }; + + + + /** + * Disables drag-and-drop widget resizing. + * + * @method disable + * @return {Class} Returns instance of gridster Class. + */ + fn.disable_resize = function() { + this.$el.addClass('gs-resize-disabled'); + this.resize_api.disable(); + return this; + }; + + + /** + * Enables drag-and-drop widget resizing. + * + * @method enable + * @return {Class} Returns instance of gridster Class. + */ + fn.enable_resize = function() { + this.$el.removeClass('gs-resize-disabled'); + this.resize_api.enable(); + return this; + }; + + + /** + * Add a new widget to the grid. + * + * @method add_widget + * @param {String|HTMLElement} html The string representing the HTML of the widget + * or the HTMLElement. + * @param {Number} [size_x] The nº of rows the widget occupies horizontally. + * @param {Number} [size_y] The nº of columns the widget occupies vertically. + * @param {Number} [col] The column the widget should start in. + * @param {Number} [row] The row the widget should start in. + * @param {Array} [max_size] max_size Maximun size (in units) for width and height. + * @param {Array} [min_size] min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing. + * the widget that was just created. + */ + fn.add_widget = function(html, size_x, size_y, col, row, max_size, min_size) { + var pos; + size_x || (size_x = 1); + size_y || (size_y = 1); + + if (!col & !row) { + pos = this.next_position(size_x, size_y); + } else { + pos = { + col: col, + row: row, + size_x: size_x, + size_y: size_y + }; + + this.empty_cells(col, row, size_x, size_y); + } + + var $w = $(html).attr({ + 'data-col': pos.col, + 'data-row': pos.row, + 'data-sizex' : size_x, + 'data-sizey' : size_y + }).addClass('gs-w').appendTo(this.$el).hide(); + + this.$widgets = this.$widgets.add($w); + + this.register_widget($w); + + this.add_faux_rows(pos.size_y); + //this.add_faux_cols(pos.size_x); + + if (max_size) { + this.set_widget_max_size($w, max_size); + } + + if (min_size) { + this.set_widget_min_size($w, min_size); + } + + this.set_dom_grid_width(); + this.set_dom_grid_height(); + + this.drag_api.set_limits(this.cols * this.min_widget_width); + + return $w.fadeIn(); + }; + + + /** + * Change widget size limits. + * + * @method set_widget_min_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_min_size = function($widget, min_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.min_size_x = min_size[0]; + wgd.min_size_y = min_size[1]; + + return this; + }; + + + /** + * Change widget size limits. + * + * @method set_widget_max_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} max_size Maximun size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_max_size = function($widget, max_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.max_size_x = max_size[0]; + wgd.max_size_y = max_size[1]; + + return this; + }; + + + /** + * Append the resize handle into a widget. + * + * @method add_resize_handle + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.add_resize_handle = function($w) { + var append_to = this.options.resize.handle_append_to; + $(this.resize_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); + + return this; + }; + + + /** + * Change the size of a widget. Width is limited to the current grid width. + * + * @method resize_widget + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @param {Number} size_x The number of columns that will occupy the widget. + * By default size_x is limited to the space available from + * the column where the widget begins, until the last column to the right. + * @param {Number} size_y The number of rows that will occupy the widget. + * @param {Function} [callback] Function executed when the widget is removed. + * @return {HTMLElement} Returns $widget. + */ + fn.resize_widget = function($widget, size_x, size_y, callback) { + var wgd = $widget.coords().grid; + var col = wgd.col; + var max_cols = this.options.max_cols; + var old_size_y = wgd.size_y; + var old_col = wgd.col; + var new_col = old_col; + + size_x || (size_x = wgd.size_x); + size_y || (size_y = wgd.size_y); + + if (max_cols !== Infinity) { + size_x = Math.min(size_x, max_cols - col + 1); + } + + if (size_y > old_size_y) { + this.add_faux_rows(Math.max(size_y - old_size_y, 0)); + } + + var player_rcol = (col + size_x - 1); + if (player_rcol > this.cols) { + this.add_faux_cols(player_rcol - this.cols); + } + + var new_grid_data = { + col: new_col, + row: wgd.row, + size_x: size_x, + size_y: size_y + }; + + this.mutate_widget_in_gridmap($widget, wgd, new_grid_data); + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (callback) { + callback.call(this, new_grid_data.size_x, new_grid_data.size_y); + } + + return $widget; + }; + + + /** + * Mutate widget dimensions and position in the grid map. + * + * @method mutate_widget_in_gridmap + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget to mutate. + * @param {Object} wgd Current widget grid data (col, row, size_x, size_y). + * @param {Object} new_wgd New widget grid data. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.mutate_widget_in_gridmap = function($widget, wgd, new_wgd) { + var old_size_x = wgd.size_x; + var old_size_y = wgd.size_y; + + var old_cells_occupied = this.get_cells_occupied(wgd); + var new_cells_occupied = this.get_cells_occupied(new_wgd); + + var empty_cols = []; + $.each(old_cells_occupied.cols, function(i, col) { + if ($.inArray(col, new_cells_occupied.cols) === -1) { + empty_cols.push(col); + } + }); + + var occupied_cols = []; + $.each(new_cells_occupied.cols, function(i, col) { + if ($.inArray(col, old_cells_occupied.cols) === -1) { + occupied_cols.push(col); + } + }); + + var empty_rows = []; + $.each(old_cells_occupied.rows, function(i, row) { + if ($.inArray(row, new_cells_occupied.rows) === -1) { + empty_rows.push(row); + } + }); + + var occupied_rows = []; + $.each(new_cells_occupied.rows, function(i, row) { + if ($.inArray(row, old_cells_occupied.rows) === -1) { + occupied_rows.push(row); + } + }); + + this.remove_from_gridmap(wgd); + + if (occupied_cols.length) { + var cols_to_empty = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, Math.min(old_size_y, new_wgd.size_y), $widget + ]; + this.empty_cells.apply(this, cols_to_empty); + } + + if (occupied_rows.length) { + var rows_to_empty = [new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget]; + this.empty_cells.apply(this, rows_to_empty); + } + + // not the same that wgd = new_wgd; + wgd.col = new_wgd.col; + wgd.row = new_wgd.row; + wgd.size_x = new_wgd.size_x; + wgd.size_y = new_wgd.size_y; + + this.add_to_gridmap(new_wgd, $widget); + + $widget.removeClass('player-revert'); + + //update coords instance attributes + $widget.data('coords').update({ + width: (new_wgd.size_x * this.options.widget_base_dimensions[0] + + ((new_wgd.size_x - 1) * this.options.widget_margins[0]) * 2), + height: (new_wgd.size_y * this.options.widget_base_dimensions[1] + + ((new_wgd.size_y - 1) * this.options.widget_margins[1]) * 2) + }); + + $widget.attr({ + 'data-col': new_wgd.col, + 'data-row': new_wgd.row, + 'data-sizex': new_wgd.size_x, + 'data-sizey': new_wgd.size_y + }); + + if (empty_cols.length) { + var cols_to_remove_holes = [ + empty_cols[0], new_wgd.row, + empty_cols.length, + Math.min(old_size_y, new_wgd.size_y), + $widget + ]; + + this.remove_empty_cells.apply(this, cols_to_remove_holes); + } + + if (empty_rows.length) { + var rows_to_remove_holes = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget + ]; + this.remove_empty_cells.apply(this, rows_to_remove_holes); + } + + this.move_widget_up($widget); + + return this; + }; + + + /** + * Move down widgets in cells represented by the arguments col, row, size_x, + * size_y + * + * @method empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} $exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells = function(col, row, size_x, size_y, $exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row - size_y, + size_x: size_x, + size_y: size_y + }); + + $nexts.not($exclude).each($.proxy(function(i, w) { + var wgd = $(w).coords().grid; + if ( !(wgd.row <= (row + size_y - 1))) { return; } + var diff = (row + size_y) - wgd.row; + this.move_widget_down($(w), diff); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Move up widgets below cells represented by the arguments col, row, size_x, + * size_y. + * + * @method remove_empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_empty_cells = function(col, row, size_x, size_y, exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row, + size_x: size_x, + size_y: size_y + }); + + $nexts.not(exclude).each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), size_y ); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Get the most left column below to add a new widget. + * + * @method next_position + * @param {Number} size_x The nº of rows the widget occupies horizontally. + * @param {Number} size_y The nº of columns the widget occupies vertically. + * @return {Object} Returns a grid coords object representing the future + * widget coords. + */ + fn.next_position = function(size_x, size_y) { + size_x || (size_x = 1); + size_y || (size_y = 1); + var ga = this.gridmap; + var cols_l = ga.length; + var valid_pos = []; + var rows_l; + + for (var c = 1; c < cols_l; c++) { + rows_l = ga[c].length; + for (var r = 1; r <= rows_l; r++) { + var can_move_to = this.can_move_to({ + size_x: size_x, + size_y: size_y + }, c, r); + + if (can_move_to) { + valid_pos.push({ + col: c, + row: r, + size_y: size_y, + size_x: size_x + }); + } + } + } + + if (valid_pos.length) { + return Gridster.sort_by_row_and_col_asc(valid_pos)[0]; + } + return false; + }; + + + /** + * Remove a widget from the grid. + * + * @method remove_widget + * @param {HTMLElement} el The jQuery wrapped HTMLElement you want to remove. + * @param {Boolean|Function} silent If true, widgets below the removed one + * will not move up. If a Function is passed it will be used as callback. + * @param {Function} callback Function executed when the widget is removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_widget = function(el, silent, callback) { + var $el = el instanceof $ ? el : $(el); + var wgd = $el.coords().grid; + + // if silent is a function assume it's a callback + if ($.isFunction(silent)) { + callback = silent; + silent = false; + } + + this.cells_occupied_by_placeholder = {}; + this.$widgets = this.$widgets.not($el); + + var $nexts = this.widgets_below($el); + + this.remove_from_gridmap(wgd); + + $el.fadeOut($.proxy(function() { + $el.remove(); + + if (!silent) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), wgd.size_y ); + }, this)); + } + + this.set_dom_grid_height(); + + if (callback) { + callback.call(this, el); + } + }, this)); + + return this; + }; + + + /** + * Remove all widgets from the grid. + * + * @method remove_all_widgets + * @param {Function} callback Function executed for each widget removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_all_widgets = function(callback) { + this.$widgets.each($.proxy(function(i, el){ + this.remove_widget(el, true, callback); + }, this)); + + return this; + }; + + + /** + * Returns a serialized array of the widgets in the grid. + * + * @method serialize + * @param {HTMLElement} [$widgets] The collection of jQuery wrapped + * HTMLElements you want to serialize. If no argument is passed all widgets + * will be serialized. + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize = function($widgets) { + $widgets || ($widgets = this.$widgets); + + return $widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.options.serialize_params($w, $w.coords().grid); + }, this)).get(); + }; + + + /** + * Returns a serialized array of the widgets that have changed their + * position. + * + * @method serialize_changed + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize_changed = function() { + return this.serialize(this.$changed); + }; + + + /** + * Convert widgets from DOM elements to "widget grid data" Objects. + * + * @method dom_to_coords + * @param {HTMLElement} $widget The widget to be converted. + */ + fn.dom_to_coords = function($widget) { + return { + 'col': parseInt($widget.attr('data-col'), 10), + 'row': parseInt($widget.attr('data-row'), 10), + 'size_x': parseInt($widget.attr('data-sizex'), 10) || 1, + 'size_y': parseInt($widget.attr('data-sizey'), 10) || 1, + 'max_size_x': parseInt($widget.attr('data-max-sizex'), 10) || false, + 'max_size_y': parseInt($widget.attr('data-max-sizey'), 10) || false, + 'min_size_x': parseInt($widget.attr('data-min-sizex'), 10) || false, + 'min_size_y': parseInt($widget.attr('data-min-sizey'), 10) || false, + 'el': $widget + }; + }; + + + /** + * Creates the grid coords object representing the widget an add it to the + * mapped array of positions. + * + * @method register_widget + * @param {HTMLElement|Object} $el jQuery wrapped HTMLElement representing + * the widget, or an "widget grid data" Object with (col, row, el ...). + * @return {Boolean} Returns true if the widget final position is different + * than the original. + */ + fn.register_widget = function($el) { + var isDOM = $el instanceof jQuery; + var wgd = isDOM ? this.dom_to_coords($el) : $el; + var posChanged = false; + isDOM || ($el = wgd.el); + + var empty_upper_row = this.can_go_widget_up(wgd); + if (empty_upper_row) { + wgd.row = empty_upper_row; + $el.attr('data-row', empty_upper_row); + this.$el.trigger('gridster:positionchanged', [wgd]); + posChanged = true; + } + + if (this.options.avoid_overlapped_widgets && + !this.can_move_to( + {size_x: wgd.size_x, size_y: wgd.size_y}, wgd.col, wgd.row) + ) { + $.extend(wgd, this.next_position(wgd.size_x, wgd.size_y)); + $el.attr({ + 'data-col': wgd.col, + 'data-row': wgd.row, + 'data-sizex': wgd.size_x, + 'data-sizey': wgd.size_y + }); + posChanged = true; + } + + // attach Coord object to player data-coord attribute + $el.data('coords', $el.coords()); + // Extend Coord object with grid position info + $el.data('coords').grid = wgd; + + this.add_to_gridmap(wgd, $el); + + this.options.resize.enabled && this.add_resize_handle($el); + + return posChanged; + }; + + + /** + * Update in the mapped array of positions the value of cells represented by + * the grid coords object passed in the `grid_data` param. + * + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value Pass `false` or the jQuery wrapped + * HTMLElement, depends if you want to delete an existing position or add + * a new one. + * @method update_widget_position + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.update_widget_position = function(grid_data, value) { + this.for_each_cell_occupied(grid_data, function(col, row) { + if (!this.gridmap[col]) { return this; } + this.gridmap[col][row] = value; + }); + return this; + }; + + + /** + * Remove a widget from the mapped array of positions. + * + * @method remove_from_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_from_gridmap = function(grid_data) { + return this.update_widget_position(grid_data, false); + }; + + + /** + * Add a widget to the mapped array of positions. + * + * @method add_to_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value The value to set in the specified + * position . + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.add_to_gridmap = function(grid_data, value) { + this.update_widget_position(grid_data, value || grid_data.el); + + if (grid_data.el) { + var $widgets = this.widgets_below(grid_data.el); + $widgets.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget)); + }, this)); + } + }; + + + /** + * Make widgets draggable. + * + * @uses Draggable + * @method draggable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.draggable = function() { + var self = this; + var draggable_options = $.extend(true, {}, this.options.draggable, { + offset_left: this.options.widget_margins[0], + offset_top: this.options.widget_margins[1], + container_width: this.cols * this.min_widget_width, + limit: true, + start: function(event, ui) { + self.$widgets.filter('.player-revert') + .removeClass('player-revert'); + + self.$player = $(this); + self.$helper = $(ui.$helper); + + self.helper = !self.$helper.is(self.$player); + + self.on_start_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstart'); + }, + stop: function(event, ui) { + self.on_stop_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstop'); + }, + drag: throttle(function(event, ui) { + self.on_drag.call(self, event, ui); + self.$el.trigger('gridster:drag'); + }, 60) + }); + + this.drag_api = this.$el.drag(draggable_options); + return this; + }; + + + /** + * Bind resize events to get resize working. + * + * @method resizable + * @return {Class} Returns instance of gridster Class. + */ + fn.resizable = function() { + this.resize_api = this.$el.drag({ + items: '.' + this.options.resize.handle_class, + offset_left: this.options.widget_margins[0], + container_width: this.container_width, + move_element: false, + resize: true, + limit: this.options.autogrow_cols ? false : true, + start: $.proxy(this.on_start_resize, this), + stop: $.proxy(function(event, ui) { + delay($.proxy(function() { + this.on_stop_resize(event, ui); + }, this), 120); + }, this), + drag: throttle($.proxy(this.on_resize, this), 60) + }); + + return this; + }; + + + /** + * Setup things required for resizing. Like build templates for drag handles. + * + * @method setup_resize + * @return {Class} Returns instance of gridster Class. + */ + fn.setup_resize = function() { + this.resize_handle_class = this.options.resize.handle_class; + var axes = this.options.resize.axes; + var handle_tpl = ''; + + this.resize_handle_tpl = $.map(axes, function(type) { + return handle_tpl.replace('{type}', type); + }).join(''); + + if ($.isArray(this.options.draggable.ignore_dragging)) { + this.options.draggable.ignore_dragging.push( + '.' + this.resize_handle_class); + } + + return this; + }; + + + /** + * This function is executed when the player begins to be dragged. + * + * @method on_start_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper).addClass('dragging'); + + this.highest_col = this.get_highest_occupied_cell().col; + + this.$player.addClass('player'); + this.player_grid_data = this.$player.coords().grid; + this.placeholder_grid_data = $.extend({}, this.player_grid_data); + + this.set_dom_grid_height(this.$el.height() + + (this.player_grid_data.size_y * this.min_widget_height)); + + this.set_dom_grid_width(this.cols); + + var pgd_sizex = this.player_grid_data.size_x; + var cols_diff = this.cols - this.highest_col; + + if (this.options.autogrow_cols && cols_diff <= pgd_sizex) { + this.add_faux_cols(Math.min(pgd_sizex - cols_diff, 1)); + } + + var colliders = this.faux_grid; + var coords = this.$player.data('coords').coords; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.last_cols = []; + this.last_rows = []; + + // see jquery.collision.js + this.collision_api = this.$helper.collision( + colliders, this.options.collision); + + this.$preview_holder = $('<' + this.$player.get(0).tagName + ' />', { + 'class': 'preview-holder', + 'data-row': this.$player.attr('data-row'), + 'data-col': this.$player.attr('data-col'), + css: { + width: coords.width, + height: coords.height + } + }).appendTo(this.$el); + + if (this.options.draggable.start) { + this.options.draggable.start.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player is being dragged. + * + * @method on_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_drag = function(event, ui) { + //break if dragstop has been fired + if (this.$player === null) { + return false; + } + + var abs_offset = { + left: ui.position.left + this.baseX, + top: ui.position.top + this.baseY + }; + + // auto grow cols + if (this.options.autogrow_cols) { + var prcol = this.placeholder_grid_data.col + + this.placeholder_grid_data.size_x - 1; + + // "- 1" due to adding at least 1 column in on_start_drag + if (prcol >= this.cols - 1 && this.options.max_cols >= this.cols + 1) { + this.add_faux_cols(1); + this.set_dom_grid_width(this.cols + 1); + this.drag_api.set_limits(this.container_width); + } + + this.collision_api.set_colliders(this.faux_grid); + } + + this.colliders_data = this.collision_api.get_closest_colliders( + abs_offset); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, this.on_stop_overlapping_column); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, this.on_stop_overlapping_row); + + + if (this.helper && this.$player) { + this.$player.css({ + 'left': ui.position.left, + 'top': ui.position.top + }); + } + + if (this.options.draggable.drag) { + this.options.draggable.drag.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player stops being dragged. + * + * @method on_stop_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper) + .removeClass('dragging'); + + ui.position.left = ui.position.left + this.baseX; + ui.position.top = ui.position.top + this.baseY; + this.colliders_data = this.collision_api.get_closest_colliders( + ui.position); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, + this.on_stop_overlapping_column + ); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, + this.on_stop_overlapping_row + ); + + this.$player.addClass('player-revert').removeClass('player') + .attr({ + 'data-col': this.placeholder_grid_data.col, + 'data-row': this.placeholder_grid_data.row + }).css({ + 'left': '', + 'top': '' + }); + + this.$changed = this.$changed.add(this.$player); + + this.cells_occupied_by_player = this.get_cells_occupied( + this.placeholder_grid_data); + this.set_cells_player_occupies( + this.placeholder_grid_data.col, this.placeholder_grid_data.row); + + this.$player.coords().grid.row = this.placeholder_grid_data.row; + this.$player.coords().grid.col = this.placeholder_grid_data.col; + + if (this.options.draggable.stop) { + this.options.draggable.stop.call(this, event, ui); + } + + this.$preview_holder.remove(); + + this.$player = null; + this.$helper = null; + this.placeholder_grid_data = {}; + this.player_grid_data = {}; + this.cells_occupied_by_placeholder = {}; + this.cells_occupied_by_player = {}; + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed every time a widget starts to be resized. + * + * @method on_start_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_resize = function(event, ui) { + this.$resized_widget = ui.$player.closest('.gs-w'); + this.resize_coords = this.$resized_widget.coords(); + this.resize_wgd = this.resize_coords.grid; + this.resize_initial_width = this.resize_coords.coords.width; + this.resize_initial_height = this.resize_coords.coords.height; + this.resize_initial_sizex = this.resize_coords.grid.size_x; + this.resize_initial_sizey = this.resize_coords.grid.size_y; + this.resize_initial_col = this.resize_coords.grid.col; + this.resize_last_sizex = this.resize_initial_sizex; + this.resize_last_sizey = this.resize_initial_sizey; + + this.resize_max_size_x = Math.min(this.resize_wgd.max_size_x || + this.options.resize.max_size[0], + this.options.max_cols - this.resize_initial_col + 1); + this.resize_max_size_y = this.resize_wgd.max_size_y || + this.options.resize.max_size[1]; + + this.resize_min_size_x = (this.resize_wgd.min_size_x || + this.options.resize.min_size[0] || 1); + this.resize_min_size_y = (this.resize_wgd.min_size_y || + this.options.resize.min_size[1] || 1); + + this.resize_initial_last_col = this.get_highest_occupied_cell().col; + + this.set_dom_grid_width(this.cols); + + this.resize_dir = { + right: ui.$player.is('.' + this.resize_handle_class + '-x'), + bottom: ui.$player.is('.' + this.resize_handle_class + '-y') + }; + + this.$resized_widget.css({ + 'min-width': this.options.widget_base_dimensions[0], + 'min-height': this.options.widget_base_dimensions[1] + }); + + var nodeName = this.$resized_widget.get(0).tagName; + this.$resize_preview_holder = $('<' + nodeName + ' />', { + 'class': 'preview-holder resize-preview-holder', + 'data-row': this.$resized_widget.attr('data-row'), + 'data-col': this.$resized_widget.attr('data-col'), + 'css': { + 'width': this.resize_initial_width, + 'height': this.resize_initial_height + } + }).appendTo(this.$el); + + this.$resized_widget.addClass('resizing'); + + if (this.options.resize.start) { + this.options.resize.start.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestart'); + }; + + + /** + * This function is executed every time a widget stops being resized. + * + * @method on_stop_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_resize = function(event, ui) { + this.$resized_widget + .removeClass('resizing') + .css({ + 'width': '', + 'height': '' + }); + + delay($.proxy(function() { + this.$resize_preview_holder + .remove() + .css({ + 'min-width': '', + 'min-height': '' + }); + + if (this.options.resize.stop) { + this.options.resize.stop.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestop'); + }, this), 300); + + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed when a widget is being resized. + * + * @method on_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_resize = function(event, ui) { + var rel_x = (ui.pointer.diff_left); + var rel_y = (ui.pointer.diff_top); + var wbd_x = this.options.widget_base_dimensions[0]; + var wbd_y = this.options.widget_base_dimensions[1]; + var margin_x = this.options.widget_margins[0]; + var margin_y = this.options.widget_margins[1]; + var max_size_x = this.resize_max_size_x; + var min_size_x = this.resize_min_size_x; + var max_size_y = this.resize_max_size_y; + var min_size_y = this.resize_min_size_y; + var autogrow = this.options.autogrow_cols; + var width; + var max_width = Infinity; + var max_height = Infinity; + + var inc_units_x = Math.ceil((rel_x / (wbd_x + margin_x * 2)) - 0.2); + var inc_units_y = Math.ceil((rel_y / (wbd_y + margin_y * 2)) - 0.2); + + var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x); + var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y); + + var max_cols = (this.container_width / this.min_widget_width) - + this.resize_initial_col + 1; + var limit_width = ((max_cols * this.min_widget_width) - margin_x * 2); + + size_x = Math.max(Math.min(size_x, max_size_x), min_size_x); + size_x = Math.min(max_cols, size_x); + width = (max_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + max_width = Math.min(width, limit_width); + min_width = (min_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + + size_y = Math.max(Math.min(size_y, max_size_y), min_size_y); + max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + + if (this.resize_dir.right) { + size_y = this.resize_initial_sizey; + } else if (this.resize_dir.bottom) { + size_x = this.resize_initial_sizex; + } + + if (autogrow) { + var last_widget_col = this.resize_initial_col + size_x - 1; + if (autogrow && this.resize_initial_last_col <= last_widget_col) { + this.set_dom_grid_width(Math.max(last_widget_col + 1, this.cols)); + + if (this.cols < last_widget_col) { + this.add_faux_cols(last_widget_col - this.cols); + } + } + } + + var css_props = {}; + !this.resize_dir.bottom && (css_props.width = Math.max(Math.min( + this.resize_initial_width + rel_x, max_width), min_width)); + !this.resize_dir.right && (css_props.height = Math.max(Math.min( + this.resize_initial_height + rel_y, max_height), min_height)); + + this.$resized_widget.css(css_props); + + if (size_x !== this.resize_last_sizex || + size_y !== this.resize_last_sizey) { + + this.resize_widget(this.$resized_widget, size_x, size_y); + this.set_dom_grid_width(this.cols); + + this.$resize_preview_holder.css({ + 'width': '', + 'height': '' + }).attr({ + 'data-row': this.$resized_widget.attr('data-row'), + 'data-sizex': size_x, + 'data-sizey': size_y + }); + } + + if (this.options.resize.resize) { + this.options.resize.resize.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resize'); + + this.resize_last_sizex = size_x; + this.resize_last_sizey = size_y; + }; + + + /** + * Executes the callbacks passed as arguments when a column begins to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new column + * begins to be overlapped. The column is passed as first argument. + * @param {Function} stop_callback Function executed when a column stops + * being overlapped. The column is passed as first argument. + * @method on_overlapped_column_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_column_change = function(start_callback, stop_callback) { + if (!this.colliders_data.length) { + return this; + } + var cols = this.get_targeted_columns( + this.colliders_data[0].el.data.col); + + var last_n_cols = this.last_cols.length; + var n_cols = cols.length; + var i; + + for (i = 0; i < n_cols; i++) { + if ($.inArray(cols[i], this.last_cols) === -1) { + (start_callback || $.noop).call(this, cols[i]); + } + } + + for (i = 0; i< last_n_cols; i++) { + if ($.inArray(this.last_cols[i], cols) === -1) { + (stop_callback || $.noop).call(this, this.last_cols[i]); + } + } + + this.last_cols = cols; + + return this; + }; + + + /** + * Executes the callbacks passed as arguments when a row starts to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new row begins + * to be overlapped. The row is passed as first argument. + * @param {Function} end_callback Function executed when a row stops being + * overlapped. The row is passed as first argument. + * @method on_overlapped_row_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_row_change = function(start_callback, end_callback) { + if (!this.colliders_data.length) { + return this; + } + var rows = this.get_targeted_rows(this.colliders_data[0].el.data.row); + var last_n_rows = this.last_rows.length; + var n_rows = rows.length; + var i; + + for (i = 0; i < n_rows; i++) { + if ($.inArray(rows[i], this.last_rows) === -1) { + (start_callback || $.noop).call(this, rows[i]); + } + } + + for (i = 0; i < last_n_rows; i++) { + if ($.inArray(this.last_rows[i], rows) === -1) { + (end_callback || $.noop).call(this, this.last_rows[i]); + } + } + + this.last_rows = rows; + }; + + + /** + * Sets the current position of the player + * + * @param {Number} col + * @param {Number} row + * @param {Boolean} no_player + * @method set_player + * @return {object} + */ + fn.set_player = function(col, row, no_player) { + var self = this; + if (!no_player) { + this.empty_cells_player_occupies(); + } + var cell = !no_player ? self.colliders_data[0].el.data : {col: col}; + var to_col = cell.col; + var to_row = row || cell.row; + + this.player_grid_data = { + col: to_col, + row: to_row, + size_y : this.player_grid_data.size_y, + size_x : this.player_grid_data.size_x + }; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + + var $overlapped_widgets = this.get_widgets_overlapped( + this.player_grid_data); + + var constraints = this.widgets_constraints($overlapped_widgets); + + this.manage_movements(constraints.can_go_up, to_col, to_row); + this.manage_movements(constraints.can_not_go_up, to_col, to_row); + + /* if there is not widgets overlapping in the new player position, + * update the new placeholder position. */ + if (!$overlapped_widgets.length) { + var pp = this.can_go_player_up(this.player_grid_data); + if (pp !== false) { + to_row = pp; + } + this.set_placeholder(to_col, to_row); + } + + return { + col: to_col, + row: to_row + }; + }; + + + /** + * See which of the widgets in the $widgets param collection can go to + * a upper row and which not. + * + * @method widgets_contraints + * @param {jQuery} $widgets A jQuery wrapped collection of + * HTMLElements. + * @return {object} Returns a literal Object with two keys: `can_go_up` & + * `can_not_go_up`. Each contains a set of HTMLElements. + */ + fn.widgets_constraints = function($widgets) { + var $widgets_can_go_up = $([]); + var $widgets_can_not_go_up; + var wgd_can_go_up = []; + var wgd_can_not_go_up = []; + + $widgets.each($.proxy(function(i, w) { + var $w = $(w); + var wgd = $w.coords().grid; + if (this.can_go_widget_up(wgd)) { + $widgets_can_go_up = $widgets_can_go_up.add($w); + wgd_can_go_up.push(wgd); + } else { + wgd_can_not_go_up.push(wgd); + } + }, this)); + + $widgets_can_not_go_up = $widgets.not($widgets_can_go_up); + + return { + can_go_up: Gridster.sort_by_row_asc(wgd_can_go_up), + can_not_go_up: Gridster.sort_by_row_desc(wgd_can_not_go_up) + }; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method manage_movements + * @param {jQuery} $widgets A jQuery collection of HTMLElements + * representing the widgets you want to move. + * @param {Number} to_col The column to which we want to move the widgets. + * @param {Number} to_row The row to which we want to move the widgets. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.manage_movements = function($widgets, to_col, to_row) { + $.each($widgets, $.proxy(function(i, w) { + var wgd = w; + var $w = wgd.el; + + var can_go_widget_up = this.can_go_widget_up(wgd); + + if (can_go_widget_up) { + //target CAN go up + //so move widget up + this.move_widget_to($w, can_go_widget_up); + this.set_placeholder(to_col, can_go_widget_up + wgd.size_y); + + } else { + //target can't go up + var can_go_player_up = this.can_go_player_up( + this.player_grid_data); + + if (!can_go_player_up) { + // target can't go up + // player cant't go up + // so we need to move widget down to a position that dont + // overlaps player + var y = (to_row + this.player_grid_data.size_y) - wgd.row; + + this.move_widget_down($w, y); + this.set_placeholder(to_col, to_row); + } + } + }, this)); + + return this; + }; + + /** + * Determines if there is a widget in the row and col given. Or if the + * HTMLElement passed as first argument is the player. + * + * @method is_player + * @param {Number|HTMLElement} col_or_el A jQuery wrapped collection of + * HTMLElements. + * @param {Number} [row] The column to which we want to move the widgets. + * @return {Boolean} Returns true or false. + */ + fn.is_player = function(col_or_el, row) { + if (row && !this.gridmap[col_or_el]) { return false; } + var $w = row ? this.gridmap[col_or_el][row] : col_or_el; + return $w && ($w.is(this.$player) || $w.is(this.$helper)); + }; + + + /** + * Determines if the widget that is being dragged is currently over the row + * and col given. + * + * @method is_player_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_player_in = function(col, row) { + var c = this.cells_occupied_by_player || {}; + return $.inArray(col, c.cols) >= 0 && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the row and col given. + * + * @method is_placeholder_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in = function(col, row) { + var c = this.cells_occupied_by_placeholder || {}; + return this.is_placeholder_in_col(col) && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the column given. + * + * @method is_placeholder_in_col + * @param {Number} col The column to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in_col = function(col) { + var c = this.cells_occupied_by_placeholder || []; + return $.inArray(col, c.cols) >= 0; + }; + + + /** + * Determines if the cell represented by col and row params is empty. + * + * @method is_empty + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_empty = function(col, row) { + if (typeof this.gridmap[col] !== 'undefined') { + if(typeof this.gridmap[col][row] !== 'undefined' && + this.gridmap[col][row] === false + ) { + return true; + } + return false; + } + return true; + }; + + + /** + * Determines if the cell represented by col and row params is occupied. + * + * @method is_occupied + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_occupied = function(col, row) { + if (!this.gridmap[col]) { + return false; + } + + if (this.gridmap[col][row]) { + return true; + } + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row params. + * + * @method is_widget + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean|HTMLElement} Returns false if there is no widget, + * else returns the jQuery HTMLElement + */ + fn.is_widget = function(col, row) { + var cell = this.gridmap[col]; + if (!cell) { + return false; + } + + cell = cell[row]; + + if (cell) { + return cell; + } + + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row + * params and if this is under the widget that is being dragged. + * + * @method is_widget_under_player + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_widget_under_player = function(col, row) { + if (this.is_widget(col, row)) { + return this.is_player_in(col, row); + } + return false; + }; + + + /** + * Get widgets overlapping with the player or with the object passed + * representing the grid cells. + * + * @method get_widgets_under_player + * @return {HTMLElement} Returns a jQuery collection of HTMLElements + */ + fn.get_widgets_under_player = function(cells) { + cells || (cells = this.cells_occupied_by_player || {cols: [], rows: []}); + var $widgets = $([]); + + $.each(cells.cols, $.proxy(function(i, col) { + $.each(cells.rows, $.proxy(function(i, row) { + if(this.is_widget(col, row)) { + $widgets = $widgets.add(this.gridmap[col][row]); + } + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * Put placeholder at the row and column specified. + * + * @method set_placeholder + * @param {Number} col The column to which we want to move the + * placeholder. + * @param {Number} row The row to which we want to move the + * placeholder. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_placeholder = function(col, row) { + var phgd = $.extend({}, this.placeholder_grid_data); + var $nexts = this.widgets_below({ + col: phgd.col, + row: phgd.row, + size_y: phgd.size_y, + size_x: phgd.size_x + }); + + // Prevents widgets go out of the grid + var right_col = (col + phgd.size_x - 1); + if (right_col > this.cols) { + col = col - (right_col - col); + } + + var moved_down = this.placeholder_grid_data.row < row; + var changed_column = this.placeholder_grid_data.col !== col; + + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.$preview_holder.attr({ + 'data-row' : row, + 'data-col' : col + }); + + if (moved_down || changed_column) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( + $(widget), this.placeholder_grid_data.col - col + phgd.size_y); + }, this)); + } + + var $widgets_under_ph = this.get_widgets_under_player( + this.cells_occupied_by_placeholder); + + if ($widgets_under_ph.length) { + $widgets_under_ph.each($.proxy(function(i, widget) { + var $w = $(widget); + this.move_widget_down( + $w, row + phgd.size_y - $w.data('coords').grid.row); + }, this)); + } + + }; + + + /** + * Determines whether the player can move to a position above. + * + * @method can_go_player_up + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @return {Number|Boolean} If the player can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_player_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + var $widgets_under_player = this.get_widgets_under_player(); + + /* generate an array with columns as index and array with upper rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + var r = p_bottom_row + 1; + upper_rows[tcol] = []; + + while (--r > 0) { + if (this.is_empty(tcol, r) || this.is_player(tcol, r) || + this.is_widget(tcol, r) && + grid_col[r].is($widgets_under_player) + ) { + upper_rows[tcol].push(r); + min_row = r < min_row ? r : min_row; + } else { + break; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Determines whether a widget can move to a position above. + * + * @method can_go_widget_up + * @param {Object} widget_grid_data The actual grid coords object of the + * widget we want to check. + * @return {Number|Boolean} If the widget can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_widget_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + + /* generate an array with columns as index and array with topmost rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + upper_rows[tcol] = []; + + var r = p_bottom_row + 1; + // iterate over each row + while (--r > 0) { + if (this.is_widget(tcol, r) && !this.is_player_in(tcol, r)) { + if (!grid_col[r].is(widget_grid_data.el)) { + break; + } + } + + if (!this.is_player(tcol, r) && + !this.is_placeholder_in(tcol, r) && + !this.is_player_in(tcol, r)) { + upper_rows[tcol].push(r); + } + + if (r < min_row) { + min_row = r; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Search a valid row for the widget represented by `widget_grid_data' in + * the `upper_rows` array. Iteration starts from row specified in `min_row`. + * + * @method get_valid_rows + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @param {Array} upper_rows An array with columns as index and arrays + * of valid rows as values. + * @param {Number} min_row The upper row from which the iteration will start. + * @return {Number|Boolean} Returns the upper row valid from the `upper_rows` + * for the widget in question. + */ + fn.get_valid_rows = function(widget_grid_data, upper_rows, min_row) { + var p_top_row = widget_grid_data.row; + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var size_y = widget_grid_data.size_y; + var r = min_row - 1; + var valid_rows = []; + + while (++r <= p_bottom_row ) { + var common = true; + $.each(upper_rows, function(col, rows) { + if ($.isArray(rows) && $.inArray(r, rows) === -1) { + common = false; + } + }); + + if (common === true) { + valid_rows.push(r); + if (valid_rows.length === size_y) { + break; + } + } + } + + var new_row = false; + if (size_y === 1) { + if (valid_rows[0] !== p_top_row) { + new_row = valid_rows[0] || false; + } + } else { + if (valid_rows[0] !== p_top_row) { + new_row = this.get_consecutive_numbers_index( + valid_rows, size_y); + } + } + + return new_row; + }; + + + fn.get_consecutive_numbers_index = function(arr, size_y) { + var max = arr.length; + var result = []; + var first = true; + var prev = -1; // or null? + + for (var i=0; i < max; i++) { + if (first || arr[i] === prev + 1) { + result.push(i); + if (result.length === size_y) { + break; + } + first = false; + } else { + result = []; + first = true; + } + + prev = arr[i]; + } + + return result.length >= size_y ? arr[result[0]] : false; + }; + + + /** + * Get widgets overlapping with the player. + * + * @method get_widgets_overlapped + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.get_widgets_overlapped = function() { + var $w; + var $widgets = $([]); + var used = []; + var rows_from_bottom = this.cells_occupied_by_player.rows.slice(0); + rows_from_bottom.reverse(); + + $.each(this.cells_occupied_by_player.cols, $.proxy(function(i, col) { + $.each(rows_from_bottom, $.proxy(function(i, row) { + // if there is a widget in the player position + if (!this.gridmap[col]) { return true; } //next iteration + var $w = this.gridmap[col][row]; + if (this.is_occupied(col, row) && !this.is_player($w) && + $.inArray($w, used) === -1 + ) { + $widgets = $widgets.add($w); + used.push($w); + } + + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * This callback is executed when the player begins to collide with a column. + * + * @method on_start_overlapping_column + * @param {Number} col The collided column. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_column = function(col) { + this.set_player(col, false); + }; + + + /** + * A callback executed when the player begins to collide with a row. + * + * @method on_start_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_row = function(row) { + this.set_player(false, row); + }; + + + /** + * A callback executed when the the player ends to collide with a column. + * + * @method on_stop_overlapping_column + * @param {Number} col The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_column = function(col) { + this.set_player(col, false); + + var self = this; + this.for_each_widget_below(col, this.cells_occupied_by_player.rows[0], + function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + }; + + + /** + * This callback is executed when the player ends to collide with a row. + * + * @method on_stop_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_row = function(row) { + this.set_player(false, row); + + var self = this; + var cols = this.cells_occupied_by_player.cols; + for (var c = 0, cl = cols.length; c < cl; c++) { + this.for_each_widget_below(cols[c], row, function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + } + }; + + + /** + * Move a widget to a specific row. The cell or cells must be empty. + * If the widget has widgets below, all of these widgets will be moved also + * if they can. + * + * @method move_widget_to + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement of the + * widget is going to be moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_to = function($widget, row) { + var self = this; + var widget_grid_data = $widget.coords().grid; + var diff = row - widget_grid_data.row; + var $next_widgets = this.widgets_below($widget); + + var can_move_to_new_cell = this.can_move_to( + widget_grid_data, widget_grid_data.col, row, $widget); + + if (can_move_to_new_cell === false) { + return false; + } + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', row); + this.$changed = this.$changed.add($widget); + + + $next_widgets.each(function(i, widget) { + var $w = $(widget); + var wgd = $w.coords().grid; + var can_go_up = self.can_go_widget_up(wgd); + if (can_go_up && can_go_up !== wgd.row) { + self.move_widget_to($w, can_go_up); + } + }); + + return this; + }; + + + /** + * Move up the specified widget and all below it. + * + * @method move_widget_up + * @param {HTMLElement} $widget The widget you want to move. + * @param {Number} [y_units] The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_up = function($widget, y_units) { + var el_grid_data = $widget.coords().grid; + var actual_row = el_grid_data.row; + var moved = []; + var can_go_up = true; + y_units || (y_units = 1); + + if (!this.can_go_up($widget)) { return false; } //break; + + this.for_each_column_occupied(el_grid_data, function(col) { + // can_go_up + if ($.inArray($widget, moved) === -1) { + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row - y_units; + next_row = this.can_go_up_to_row( + widget_grid_data, col, next_row); + + if (!next_row) { + return true; + } + + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = next_row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + + $next_widgets.each($.proxy(function(i, widget) { + this.move_widget_up($(widget), y_units); + }, this)); + } + }); + + }; + + + /** + * Move down the specified widget and all below it. + * + * @method move_widget_down + * @param {jQuery} $widget The jQuery object representing the widget + * you want to move. + * @param {Number} y_units The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_down = function($widget, y_units) { + var el_grid_data, actual_row, moved, y_diff; + + if (y_units <= 0) { return false; } + + el_grid_data = $widget.coords().grid; + actual_row = el_grid_data.row; + moved = []; + y_diff = y_units; + + if (!$widget) { return false; } + + if ($.inArray($widget, moved) === -1) { + + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row + y_units; + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + + $next_widgets.each($.proxy(function(i, widget) { + var $w = $(widget); + var wd = $w.coords().grid; + var tmp_y = this.displacement_diff( + wd, widget_grid_data, y_diff); + + if (tmp_y > 0) { + this.move_widget_down($w, tmp_y); + } + }, this)); + + widget_grid_data.row = next_row; + this.update_widget_position(widget_grid_data, $widget); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + } + }; + + + /** + * Check if the widget can move to the specified row, else returns the + * upper row possible. + * + * @method can_go_up_to_row + * @param {Number} widget_grid_data The current grid coords object of the + * widget. + * @param {Number} col The target column. + * @param {Number} row The target row. + * @return {Boolean|Number} Returns the row number if the widget can move + * to the target position, else returns false. + */ + fn.can_go_up_to_row = function(widget_grid_data, col, row) { + var ga = this.gridmap; + var result = true; + var urc = []; // upper_rows_in_columns + var actual_row = widget_grid_data.row; + var r; + + /* generate an array with columns as index and array with + * upper rows empty in the column */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = ga[tcol]; + urc[tcol] = []; + + r = actual_row; + while (r--) { + if (this.is_empty(tcol, r) && + !this.is_placeholder_in(tcol, r) + ) { + urc[tcol].push(r); + } else { + break; + } + } + + if (!urc[tcol].length) { + result = false; + return true; + } + + }); + + if (!result) { return false; } + + /* get common rows starting from upper position in all the columns + * that widget occupies */ + r = row; + for (r = 1; r < actual_row; r++) { + var common = true; + + for (var uc = 0, ucl = urc.length; uc < ucl; uc++) { + if (urc[uc] && $.inArray(r, urc[uc]) === -1) { + common = false; + } + } + + if (common === true) { + result = r; + break; + } + } + + return result; + }; + + + fn.displacement_diff = function(widget_grid_data, parent_bgd, y_units) { + var actual_row = widget_grid_data.row; + var diffs = []; + var parent_max_y = parent_bgd.row + parent_bgd.size_y; + + this.for_each_column_occupied(widget_grid_data, function(col) { + var temp_y_units = 0; + + for (var r = parent_max_y; r < actual_row; r++) { + if (this.is_empty(col, r)) { + temp_y_units = temp_y_units + 1; + } + } + + diffs.push(temp_y_units); + }); + + var max_diff = Math.max.apply(Math, diffs); + y_units = (y_units - max_diff); + + return y_units > 0 ? y_units : 0; + }; + + + /** + * Get widgets below a widget. + * + * @method widgets_below + * @param {HTMLElement} $el The jQuery wrapped HTMLElement. + * @return {jQuery} A jQuery collection of HTMLElements. + */ + fn.widgets_below = function($el) { + var el_grid_data = $.isPlainObject($el) ? $el : $el.coords().grid; + var self = this; + var ga = this.gridmap; + var next_row = el_grid_data.row + el_grid_data.size_y - 1; + var $nexts = $([]); + + this.for_each_column_occupied(el_grid_data, function(col) { + self.for_each_widget_below(col, next_row, function(tcol, trow) { + if (!self.is_player(this) && $.inArray(this, $nexts) === -1) { + $nexts = $nexts.add(this); + return true; // break + } + }); + }); + + return Gridster.sort_by_row_asc($nexts); + }; + + + /** + * Update the array of mapped positions with the new player position. + * + * @method set_cells_player_occupies + * @param {Number} col The new player col. + * @param {Number} col The new player row. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_cells_player_occupies = function(col, row) { + this.remove_from_gridmap(this.placeholder_grid_data); + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + this.add_to_gridmap(this.placeholder_grid_data, this.$player); + return this; + }; + + + /** + * Remove from the array of mapped positions the reference to the player. + * + * @method empty_cells_player_occupies + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells_player_occupies = function() { + this.remove_from_gridmap(this.placeholder_grid_data); + return this; + }; + + + fn.can_go_up = function($el) { + var el_grid_data = $el.coords().grid; + var initial_row = el_grid_data.row; + var prev_row = initial_row - 1; + var ga = this.gridmap; + var upper_rows_by_column = []; + + var result = true; + if (initial_row === 1) { return false; } + + this.for_each_column_occupied(el_grid_data, function(col) { + var $w = this.is_widget(col, prev_row); + + if (this.is_occupied(col, prev_row) || + this.is_player(col, prev_row) || + this.is_placeholder_in(col, prev_row) || + this.is_player_in(col, prev_row) + ) { + result = false; + return true; //break + } + }); + + return result; + }; + + + /** + * Check if it's possible to move a widget to a specific col/row. It takes + * into account the dimensions (`size_y` and `size_x` attrs. of the grid + * coords object) the widget occupies. + * + * @method can_move_to + * @param {Object} widget_grid_data The grid coords object that represents + * the widget. + * @param {Object} col The col to check. + * @param {Object} row The row to check. + * @param {Number} [max_row] The max row allowed. + * @return {Boolean} Returns true if all cells are empty, else return false. + */ + fn.can_move_to = function(widget_grid_data, col, row, max_row) { + var ga = this.gridmap; + var $w = widget_grid_data.el; + var future_wd = { + size_y: widget_grid_data.size_y, + size_x: widget_grid_data.size_x, + col: col, + row: row + }; + var result = true; + + //Prevents widgets go out of the grid + var right_col = col + widget_grid_data.size_x - 1; + if (right_col > this.cols) { + return false; + } + + if (max_row && max_row < row + widget_grid_data.size_y - 1) { + return false; + } + + this.for_each_cell_occupied(future_wd, function(tcol, trow) { + var $tw = this.is_widget(tcol, trow); + if ($tw && (!widget_grid_data.el || $tw.is($w))) { + result = false; + } + }); + + return result; + }; + + + /** + * Given the leftmost column returns all columns that are overlapping + * with the player. + * + * @method get_targeted_columns + * @param {Number} [from_col] The leftmost column. + * @return {Array} Returns an array with column numbers. + */ + fn.get_targeted_columns = function(from_col) { + var max = (from_col || this.player_grid_data.col) + + (this.player_grid_data.size_x - 1); + var cols = []; + for (var col = from_col; col <= max; col++) { + cols.push(col); + } + return cols; + }; + + + /** + * Given the upper row returns all rows that are overlapping with the player. + * + * @method get_targeted_rows + * @param {Number} [from_row] The upper row. + * @return {Array} Returns an array with row numbers. + */ + fn.get_targeted_rows = function(from_row) { + var max = (from_row || this.player_grid_data.row) + + (this.player_grid_data.size_y - 1); + var rows = []; + for (var row = from_row; row <= max; row++) { + rows.push(row); + } + return rows; + }; + + /** + * Get all columns and rows that a widget occupies. + * + * @method get_cells_occupied + * @param {Object} el_grid_data The grid coords object of the widget. + * @return {Object} Returns an object like `{ cols: [], rows: []}`. + */ + fn.get_cells_occupied = function(el_grid_data) { + var cells = { cols: [], rows: []}; + var i; + if (arguments[1] instanceof $) { + el_grid_data = arguments[1].coords().grid; + } + + for (i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + cells.cols.push(col); + } + + for (i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + cells.rows.push(row); + } + + return cells; + }; + + + /** + * Iterate over the cells occupied by a widget executing a function for + * each one. + * + * @method for_each_cell_occupied + * @param {Object} el_grid_data The grid coords object that represents the + * widget. + * @param {Function} callback The function to execute on each column + * iteration. Column and row are passed as arguments. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_cell_occupied = function(grid_data, callback) { + this.for_each_column_occupied(grid_data, function(col) { + this.for_each_row_occupied(grid_data, function(row) { + callback.call(this, col, row); + }); + }); + return this; + }; + + + /** + * Iterate over the columns occupied by a widget executing a function for + * each one. + * + * @method for_each_column_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The column number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_column_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + callback.call(this, col, el_grid_data); + } + }; + + + /** + * Iterate over the rows occupied by a widget executing a function for + * each one. + * + * @method for_each_row_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The row number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_row_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + callback.call(this, row, el_grid_data); + } + }; + + + + fn._traversing_widgets = function(type, direction, col, row, callback) { + var ga = this.gridmap; + if (!ga[col]) { return; } + + var cr, max; + var action = type + '/' + direction; + if (arguments[2] instanceof $) { + var el_grid_data = arguments[2].coords().grid; + col = el_grid_data.col; + row = el_grid_data.row; + callback = arguments[3]; + } + var matched = []; + var trow = row; + + + var methods = { + 'for_each/above': function() { + while (trow--) { + if (trow > 0 && this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + }, + 'for_each/below': function() { + for (trow = row + 1, max = ga[col].length; trow < max; trow++) { + if (this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + } + }; + + if (methods[action]) { + methods[action].call(this); + } + }; + + + /** + * Iterate over each widget above the column and row specified. + * + * @method for_each_widget_above + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery + * wrapped HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_above = function(col, row, callback) { + this._traversing_widgets('for_each', 'above', col, row, callback); + return this; + }; + + + /** + * Iterate over each widget below the column and row specified. + * + * @method for_each_widget_below + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery wrapped + * HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_below = function(col, row, callback) { + this._traversing_widgets('for_each', 'below', col, row, callback); + return this; + }; + + + /** + * Returns the highest occupied cell in the grid. + * + * @method get_highest_occupied_cell + * @return {Object} Returns an object with `col` and `row` numbers. + */ + fn.get_highest_occupied_cell = function() { + var r; + var gm = this.gridmap; + var rl = gm[1].length; + var rows = [], cols = []; + var row_in_col = []; + for (var c = gm.length - 1; c >= 1; c--) { + for (r = rl - 1; r >= 1; r--) { + if (this.is_widget(c, r)) { + rows.push(r); + cols.push(c); + break; + } + } + } + + return { + col: Math.max.apply(Math, cols), + row: Math.max.apply(Math, rows) + }; + }; + + + fn.get_widgets_from = function(col, row) { + var ga = this.gridmap; + var $widgets = $(); + + if (col) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var tcol = $(this).attr('data-col'); + return (tcol === col || tcol > col); + }) + ); + } + + if (row) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var trow = $(this).attr('data-row'); + return (trow === row || trow > row); + }) + ); + } + + return $widgets; + }; + + + /** + * Set the current height of the parent grid. + * + * @method set_dom_grid_height + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_height = function(height) { + if (typeof height === 'undefined') { + var r = this.get_highest_occupied_cell().row; + height = r * this.min_widget_height; + } + + this.container_height = height; + this.$el.css('height', this.container_height); + return this; + }; + + /** + * Set the current width of the parent grid. + * + * @method set_dom_grid_width + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_width = function(cols) { + if (typeof cols === 'undefined') { + cols = this.get_highest_occupied_cell().col; + } + + var max_cols = (this.options.autogrow_cols ? this.options.max_cols : + this.cols); + + cols = Math.min(max_cols, Math.max(cols, this.options.min_cols)); + this.container_width = cols * this.min_widget_width; + this.$el.css('width', this.container_width); + return this; + }; + + + /** + * It generates the neccessary styles to position the widgets. + * + * @method generate_stylesheet + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_stylesheet = function(opts) { + var styles = ''; + var max_size_x = this.options.max_size_x || this.cols; + var max_rows = 0; + var max_cols = 0; + var i; + var rules; + + opts || (opts = {}); + opts.cols || (opts.cols = this.cols); + opts.rows || (opts.rows = this.rows); + opts.namespace || (opts.namespace = this.options.namespace); + opts.widget_base_dimensions || + (opts.widget_base_dimensions = this.options.widget_base_dimensions); + opts.widget_margins || + (opts.widget_margins = this.options.widget_margins); + opts.min_widget_width = (opts.widget_margins[0] * 2) + + opts.widget_base_dimensions[0]; + opts.min_widget_height = (opts.widget_margins[1] * 2) + + opts.widget_base_dimensions[1]; + + // don't duplicate stylesheets for the same configuration + var serialized_opts = $.param(opts); + if ($.inArray(serialized_opts, Gridster.generated_stylesheets) >= 0) { + return false; + } + + this.generated_stylesheets.push(serialized_opts); + Gridster.generated_stylesheets.push(serialized_opts); + + /* generate CSS styles for cols */ + for (i = opts.cols; i >= 0; i--) { + styles += (opts.namespace + ' [data-col="'+ (i + 1) + '"] { left:' + + ((i * opts.widget_base_dimensions[0]) + + (i * opts.widget_margins[0]) + + ((i + 1) * opts.widget_margins[0])) + 'px; }\n'); + } + + /* generate CSS styles for rows */ + for (i = opts.rows; i >= 0; i--) { + styles += (opts.namespace + ' [data-row="' + (i + 1) + '"] { top:' + + ((i * opts.widget_base_dimensions[1]) + + (i * opts.widget_margins[1]) + + ((i + 1) * opts.widget_margins[1]) ) + 'px; }\n'); + } + + for (var y = 1; y <= opts.rows; y++) { + styles += (opts.namespace + ' [data-sizey="' + y + '"] { height:' + + (y * opts.widget_base_dimensions[1] + + (y - 1) * (opts.widget_margins[1] * 2)) + 'px; }\n'); + } + + for (var x = 1; x <= max_size_x; x++) { + styles += (opts.namespace + ' [data-sizex="' + x + '"] { width:' + + (x * opts.widget_base_dimensions[0] + + (x - 1) * (opts.widget_margins[0] * 2)) + 'px; }\n'); + } + + this.remove_style_tags(); + + return this.add_style_tag(styles); + }; + + + /** + * Injects the given CSS as string to the head of the document. + * + * @method add_style_tag + * @param {String} css The styles to apply. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_style_tag = function(css) { + var d = document; + var tag = d.createElement('style'); + + d.getElementsByTagName('head')[0].appendChild(tag); + tag.setAttribute('type', 'text/css'); + + if (tag.styleSheet) { + tag.styleSheet.cssText = css; + } else { + tag.appendChild(document.createTextNode(css)); + } + + this.$style_tags = this.$style_tags.add(tag); + + return this; + }; + + + /** + * Remove the style tag with the associated id from the head of the document + * + * @method remove_style_tag + * @return {Object} Returns the instance of the Gridster class. + */ + fn.remove_style_tags = function() { + var all_styles = Gridster.generated_stylesheets; + var ins_styles = this.generated_stylesheets; + + this.$style_tags.remove(); + + Gridster.generated_stylesheets = $.map(all_styles, function(s) { + if ($.inArray(s, ins_styles) === -1) { return s; } + }); + }; + + + /** + * Generates a faux grid to collide with it when a widget is dragged and + * detect row or column that we want to go. + * + * @method generate_faux_grid + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_faux_grid = function(rows, cols) { + this.faux_grid = []; + this.gridmap = []; + var col; + var row; + for (col = cols; col > 0; col--) { + this.gridmap[col] = []; + for (row = rows; row > 0; row--) { + this.add_faux_cell(row, col); + } + } + return this; + }; + + + /** + * Add cell to the faux grid. + * + * @method add_faux_cell + * @param {Number} row The row for the new faux cell. + * @param {Number} col The col for the new faux cell. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cell = function(row, col) { + var coords = $({ + left: this.baseX + ((col - 1) * this.min_widget_width), + top: this.baseY + (row -1) * this.min_widget_height, + width: this.min_widget_width, + height: this.min_widget_height, + col: col, + row: row, + original_col: col, + original_row: row + }).coords(); + + if (!$.isArray(this.gridmap[col])) { + this.gridmap[col] = []; + } + + this.gridmap[col][row] = false; + this.faux_grid.push(coords); + + return this; + }; + + + /** + * Add rows to the faux grid. + * + * @method add_faux_rows + * @param {Number} rows The number of rows you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_rows = function(rows) { + var actual_rows = this.rows; + var max_rows = actual_rows + (rows || 1); + + for (var r = max_rows; r > actual_rows; r--) { + for (var c = this.cols; c >= 1; c--) { + this.add_faux_cell(r, c); + } + } + + this.rows = max_rows; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + /** + * Add cols to the faux grid. + * + * @method add_faux_cols + * @param {Number} cols The number of cols you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cols = function(cols) { + var actual_cols = this.cols; + var max_cols = actual_cols + (cols || 1); + max_cols = Math.min(max_cols, this.options.max_cols); + + for (var c = actual_cols + 1; c <= max_cols; c++) { + for (var r = this.rows; r >= 1; r--) { + this.add_faux_cell(r, c); + } + } + + this.cols = max_cols; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + + /** + * Recalculates the offsets for the faux grid. You need to use it when + * the browser is resized. + * + * @method recalculate_faux_grid + * @return {Object} Returns the instance of the Gridster class. + */ + fn.recalculate_faux_grid = function() { + var aw = this.$wrapper.width(); + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + $.each(this.faux_grid, $.proxy(function(i, coords) { + this.faux_grid[i] = coords.update({ + left: this.baseX + (coords.data.col -1) * this.min_widget_width, + top: this.baseY + (coords.data.row -1) * this.min_widget_height + }); + }, this)); + + return this; + }; + + + /** + * Get all widgets in the DOM and register them. + * + * @method get_widgets_from_DOM + * @return {Object} Returns the instance of the Gridster class. + */ + fn.get_widgets_from_DOM = function() { + var widgets_coords = this.$widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.dom_to_coords($w); + }, this)); + + widgets_coords = Gridster.sort_by_row_and_col_asc(widgets_coords); + + var changes = $(widgets_coords).map($.proxy(function(i, wgd) { + return this.register_widget(wgd) || null; + }, this)); + + if (changes.length) { + this.$el.trigger('gridster:positionschanged'); + } + + return this; + }; + + + /** + * Calculate columns and rows to be set based on the configuration + * parameters, grid dimensions, etc ... + * + * @method generate_grid_and_stylesheet + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_grid_and_stylesheet = function() { + var aw = this.$wrapper.width(); + var max_cols = this.options.max_cols; + + var cols = Math.floor(aw / this.min_widget_width) + + this.options.extra_cols; + + var actual_cols = this.$widgets.map(function() { + return $(this).attr('data-col'); + }).get(); + + //needed to pass tests with phantomjs + actual_cols.length || (actual_cols = [0]); + + var min_cols = Math.max.apply(Math, actual_cols); + + this.cols = Math.max(min_cols, cols, this.options.min_cols); + + if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) { + this.cols = max_cols; + } + + // get all rows that could be occupied by the current widgets + var max_rows = this.options.extra_rows; + this.$widgets.each(function(i, w) { + max_rows += (+$(w).attr('data-sizey')); + }); + + this.rows = Math.max(max_rows, this.options.min_rows); + + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this.generate_faux_grid(this.rows, this.cols); + }; + + /** + * Destroy this gridster by removing any sign of its presence, making it easy to avoid memory leaks + * + * @method destroy + * @param {Boolean} remove If true, remove gridster from DOM. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.destroy = function(remove) { + this.$el.removeData('gridster'); + + // remove bound callback on window resize + $(window).unbind('.gridster'); + + if (this.drag_api) { + this.drag_api.destroy(); + } + + this.remove_style_tags(); + + remove && this.$el.remove(); + + return this; + }; + + + //jQuery adapter + $.fn.gridster = function(options) { + return this.each(function() { + if (! $(this).data('gridster')) { + $(this).data('gridster', new Gridster( this, options )); + } + }); + }; + + return Gridster; + +})); diff --git a/lib/gridster/dist/jquery.gridster.min.css b/lib/gridster/dist/jquery.gridster.min.css new file mode 100644 index 0000000000..9d9fe84458 --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.min.css @@ -0,0 +1,2 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ +.gridster{position:relative}.gridster>*{margin:0 auto;-webkit-transition:height .4s,width .4s;-moz-transition:height .4s,width .4s;-o-transition:height .4s,width .4s;-ms-transition:height .4s,width .4s;transition:height .4s,width .4s}.gridster 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left;background-repeat:no-repeat;cursor:se-resize;z-index:20}.gs-resize-handle-x{top:0;bottom:13px;right:-5px;width:10px;cursor:e-resize}.gs-resize-handle-y{left:0;right:13px;bottom:-5px;height:10px;cursor:s-resize}.gs-w:hover .gs-resize-handle,.resizing .gs-resize-handle{opacity:1}.gs-resize-handle,.gs-w.dragging .gs-resize-handle{opacity:0}.gs-resize-disabled .gs-resize-handle{display:none!important}[data-max-sizex="1"] .gs-resize-handle-x,[data-max-sizey="1"] .gs-resize-handle-y,[data-max-sizey="1"][data-max-sizex="1"] .gs-resize-handle{display:none!important} \ No newline at end of file diff --git a/lib/gridster/dist/jquery.gridster.min.js b/lib/gridster/dist/jquery.gridster.min.js new file mode 100644 index 0000000000..a256947a20 --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.min.js @@ -0,0 +1,2 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(t,i){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],i):t.GridsterCoords=i(t.$||t.jQuery)})(this,function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;return e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return r.left===void 0&&(r.left=r.x1),r.top===void 0&&(r.top=r.y1),this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},e.destroy=function(){this.el.removeData("coords"),delete this.el},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t},i}),function(t,i){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],i):t.GridsterCollision=i(t.$||t.jQuery,t.GridsterCoords)}(this,function(t){function i(i,s,r){this.options=t.extend(e,r),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(s),this.init()}var e={colliders_context:document.body,overlapping_region:"C"};i.defaults=e;var s=i.prototype;return s.init=function(){this.find_collisions()},s.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},s.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1i.y1&&t.y2i.cx&&t.x1i.x1&&t.x2o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var n=0,h=i.length;h>n;n++)-1===t.inArray(i[n],r)&&s.call(this,i[n])},s.find_collisions=function(i){for(var e=this,s=this.options.overlapping_region,r=[],o=[],a=this.colliders||this.$colliders,n=a.length,h=e.$element.coords().update(i||!1).get();n--;){var _=e.$colliders?t(a[n]):a[n],d=_.isCoords?_:_.coords(),l=d.get(),c=e.overlaps(h,l);if(c){var p=e.detect_overlapping_region(h,l);if(p===s||"all"===s){var g=e.calculate_overlapped_area_coords(h,l),u=e.calculate_overlapped_area(g),f={area:u,area_coords:g,region:p,coords:l,player_coords:h,el:_};e.options.on_overlap&&e.options.on_overlap.call(this,f),r.push(d),o.push(f)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(r,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=r,o},s.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1this.player_max_left?o=this.player_max_left:this.player_min_left>o&&(o=this.player_min_left)),{position:{left:o,top:a},pointer:{left:e.left,top:e.top,diff_left:s+(t(window).scrollLeft()-this.win_offset_x),diff_top:r+(t(window).scrollTop()-this.win_offset_y)}}},_.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},_.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},_.scroll_in=function(i,e){var o,n=r[i],h=50,_=30,d="x"===i,l=d?this.window_width:this.window_height,c=d?t(document).width():t(document).height(),p=d?this.$player.width():this.$player.height(),g=s["scroll"+a(n)](),u=g,f=u+l,w=f-h,m=u+h,y=u+e.pointer[n],v=c-l+p;return y>=w&&(o=g+_,v>o&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]+=_)),m>=y&&(o=g-_,o>0&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]-=_)),this},_.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},_.calculate_dimensions=function(){this.window_height=s.height(),this.window_width=s.width()},_.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||o)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),o?void 0:!1}},_.on_dragstart=function(i){if(i.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var e=this.$container.offset();return this.baseX=Math.round(e.left),this.baseY=Math.round(e.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=t(window).scrollTop(),this.win_offset_x=t(window).scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,i,this.get_drag_data(i)),!1},_.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},_.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},_.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?void 0:!1},_.enable=function(){this.disabled=!1},_.disable=function(){this.disabled=!0},_.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),t(window).off(this.ns),t.removeData(this.$container,"drag")},_.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(i):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new i(this,t)},i}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],i):t.Gridster=i(t.$||t.jQuery,t.GridsterDraggable,t.GridsterCollision)}(this,function(t,i){function e(i,e){this.options=t.extend(!0,{},s,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=t([]),this.options.auto_init&&this.init()}var s={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:i.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};e.defaults=s,e.generated_stylesheets=[],e.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},e.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},e.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},e.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_yn&&this.add_faux_rows(Math.max(e-n,0));var d=o+i-1;d>this.cols&&this.add_faux_cols(d-this.cols);var l={col:_,row:r.row,size_x:i,size_y:e};return this.mutate_widget_in_gridmap(t,r,l),this.set_dom_grid_height(),this.set_dom_grid_width(),s&&s.call(this,l.size_x,l.size_y),t},r.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&n.push(e)});var h=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&h.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},r.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(t(s),a)}},this)),this.set_dom_grid_height(),this},r.remove_empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,e){this.move_widget_up(t(e),r)},this)),this.set_dom_grid_height(),this},r.next_position=function(t,i){t||(t=1),i||(i=1);for(var s,r=this.gridmap,o=r.length,a=[],n=1;o>n;n++){s=r[n].length;for(var h=1;s>=h;h++){var _=this.can_move_to({size_x:t,size_y:i},n,h);_&&a.push({col:n,row:h,size_y:i,size_x:t})}}return a.length?e.sort_by_row_and_col_asc(a)[0]:!1},r.remove_widget=function(i,e,s){var r=i instanceof t?i:t(i),o=r.coords().grid;t.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},r.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},r.serialize=function(i){return i||(i=this.$widgets),i.map(t.proxy(function(i,e){var s=t(e);return this.options.serialize_params(s,s.coords().grid)},this)).get()},r.serialize_changed=function(){return this.serialize(this.$changed)},r.dom_to_coords=function(t){return{col:parseInt(t.attr("data-col"),10),row:parseInt(t.attr("data-row"),10),size_x:parseInt(t.attr("data-sizex"),10)||1,size_y:parseInt(t.attr("data-sizey"),10)||1,max_size_x:parseInt(t.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(t.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(t.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(t.attr("data-min-sizey"),10)||!1,el:t}},r.register_widget=function(i){var e=i instanceof jQuery,s=e?this.dom_to_coords(i):i,r=!1;e||(i=s.el);var o=this.can_go_widget_up(s);return o&&(s.row=o,i.attr("data-row",o),this.$el.trigger("gridster:positionchanged",[s]),r=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:s.size_x,size_y:s.size_y},s.col,s.row)&&(t.extend(s,this.next_position(s.size_x,s.size_y)),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),r=!0),i.data("coords",i.coords()),i.data("coords").grid=s,this.add_to_gridmap(s,i),this.options.resize.enabled&&this.add_resize_handle(i),r},r.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,void 0):this}),this},r.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},r.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},r.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},r.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},r.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='';return this.resize_handle_tpl=t.map(i,function(t){return e.replace("{type}",t)}).join(""),t.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},r.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var s=this.player_grid_data.size_x,r=this.cols-this.highest_col;this.options.autogrow_cols&&s>=r&&this.add_faux_cols(Math.min(s-r,1));var o=this.faux_grid,a=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(o,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:a.width,height:a.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},r.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},r.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestart")},r.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_resize=function(t,i){var e,s=i.pointer.diff_left,r=i.pointer.diff_top,o=this.options.widget_base_dimensions[0],a=this.options.widget_base_dimensions[1],n=this.options.widget_margins[0],h=this.options.widget_margins[1],_=this.resize_max_size_x,d=this.resize_min_size_x,l=this.resize_max_size_y,c=this.resize_min_size_y,p=this.options.autogrow_cols,g=1/0,u=1/0,f=Math.ceil(s/(o+2*n)-.2),w=Math.ceil(r/(a+2*h)-.2),m=Math.max(1,this.resize_initial_sizex+f),y=Math.max(1,this.resize_initial_sizey+w),v=this.container_width/this.min_widget_width-this.resize_initial_col+1,z=v*this.min_widget_width-2*n;if(m=Math.max(Math.min(m,_),d),m=Math.min(v,m),e=_*o+2*(m-1)*n,g=Math.min(e,z),min_width=d*o+2*(m-1)*n,y=Math.max(Math.min(y,l),c),u=l*a+2*(y-1)*h,min_height=c*a+2*(y-1)*h,this.resize_dir.right?y=this.resize_initial_sizey:this.resize_dir.bottom&&(m=this.resize_initial_sizex),p){var x=this.resize_initial_col+m-1;p&&x>=this.resize_initial_last_col&&(this.set_dom_grid_width(Math.max(x+1,this.cols)),x>this.cols&&this.add_faux_cols(x-this.cols))}var $={};!this.resize_dir.bottom&&($.width=Math.max(Math.min(this.resize_initial_width+s,g),min_width)),!this.resize_dir.right&&($.height=Math.max(Math.min(this.resize_initial_height+r,u),min_height)),this.$resized_widget.css($),(m!==this.resize_last_sizex||y!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,m,y),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":m,"data-sizey":y})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=m,this.resize_last_sizey=y},r.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},r.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},r.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},r.widgets_constraints=function(i){var s,r=t([]),o=[],a=[];return i.each(t.proxy(function(i,e){var s=t(e),n=s.coords().grid;this.can_go_widget_up(n)?(r=r.add(s),o.push(n)):a.push(n)},this)),s=i.not(r),{can_go_up:e.sort_by_row_asc(o),can_not_go_up:e.sort_by_row_desc(a)}},r.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},r.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},r.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},r.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},r.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},r.is_empty=function(t,i){return this.gridmap[t]!==void 0?this.gridmap[t][i]!==void 0&&this.gridmap[t][i]===!1?!0:!1:!0},r.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},r.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},r.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},r.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},r.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||n)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},r.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],n=i+1;for(s[t]=[];--n>0&&(this.is_empty(t,n)||this.is_player(t,n)||this.is_widget(t,n)&&a[n].is(o));)s[t].push(n),r=r>n?n:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i +}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var n=i+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(t.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},r.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},r.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},r.on_start_overlapping_column=function(t){this.set_player(t,!1)},r.on_start_overlapping_row=function(t){this.set_player(!1,t)},r.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},r.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(i);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),h.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),void 0):!1},r.move_widget_down=function(i,e){var s,r,o,a;if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var n=i.coords().grid,h=r+e,_=this.widgets_below(i);this.remove_from_gridmap(n),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,i),i.attr("data-row",n.row),this.$changed=this.$changed.add(i),o.push(i)}},r.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,n=[],h=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],n[t]=[],r=h;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)n[t].push(r);return n[t].length?void 0:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===t.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},r.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},r.widgets_below=function(i){var s=t.isPlainObject(i)?i:i.coords().grid,r=this;this.gridmap;var o=s.row+s.size_y-1,a=t([]);return this.for_each_column_occupied(s,function(i){r.for_each_widget_below(i,o,function(){return r.is_player(this)||-1!==t.inArray(this,a)?void 0:(a=a.add(this),!0)})}),e.sort_by_row_asc(a)},r.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},r.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},r.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):void 0}),r)},r.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,n=i+t.size_x-1;return n>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},r.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},r.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},r.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},r.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},r._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},r.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},r.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},r.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},r.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},r.set_dom_grid_height=function(t){if(t===void 0){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},r.set_dom_grid_width=function(t){t===void 0&&(t=this.get_highest_occupied_cell().col);var i=this.options.autogrow_cols?this.options.max_cols:this.cols;return t=Math.min(i,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},r.generate_stylesheet=function(i){var s,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,e.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(a),e.generated_stylesheets.push(a),s=i.cols;s>=0;s--)r+=i.namespace+' [data-col="'+(s+1)+'"] { left:'+(s*i.widget_base_dimensions[0]+s*i.widget_margins[0]+(s+1)*i.widget_margins[0])+"px; }\n";for(s=i.rows;s>=0;s--)r+=i.namespace+' [data-row="'+(s+1)+'"] { top:'+(s*i.widget_base_dimensions[1]+s*i.widget_margins[1]+(s+1)*i.widget_margins[1])+"px; }\n";for(var n=1;i.rows>=n;n++)r+=i.namespace+' [data-sizey="'+n+'"] { height:'+(n*i.widget_base_dimensions[1]+(n-1)*2*i.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=i.namespace+' [data-sizex="'+h+'"] { width:'+(h*i.widget_base_dimensions[0]+(h-1)*2*i.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(r)},r.add_style_tag=function(t){var i=document,e=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(e),e.setAttribute("type","text/css"),e.styleSheet?e.styleSheet.cssText=t:e.appendChild(document.createTextNode(t)),this.$style_tags=this.$style_tags.add(e),this},r.remove_style_tags=function(){var i=e.generated_stylesheets,s=this.generated_stylesheets;this.$style_tags.remove(),e.generated_stylesheets=t.map(i,function(i){return-1===t.inArray(i,s)?i:void 0})},r.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},r.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},r.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.recalculate_faux_grid=function(){var i=this.$wrapper.width();return this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},r.get_widgets_from_DOM=function(){var i=this.$widgets.map(t.proxy(function(i,e){var s=t(e);return this.dom_to_coords(s)},this));i=e.sort_by_row_and_col_asc(i);var s=t(i).map(t.proxy(function(t,i){return this.register_widget(i)||null},this));return s.length&&this.$el.trigger("gridster:positionschanged"),this},r.generate_grid_and_stylesheet=function(){var i=this.$wrapper.width(),e=this.options.max_cols,s=Math.floor(i/this.min_widget_width)+this.options.extra_cols,r=this.$widgets.map(function(){return t(this).attr("data-col")}).get();r.length||(r=[0]);var o=Math.max.apply(Math,r);this.cols=Math.max(o,s,this.options.min_cols),1/0!==e&&e>=o&&this.cols>e&&(this.cols=e);var a=this.options.extra_rows;return this.$widgets.each(function(i,e){a+=+t(e).attr("data-sizey")}),this.rows=Math.max(a,this.options.min_rows),this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},r.destroy=function(i){return this.$el.removeData("gridster"),t(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),i&&this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new e(this,i))})},e}); \ No newline at end of file diff --git a/lib/gridster/dist/jquery.gridster.with-extras.js b/lib/gridster/dist/jquery.gridster.with-extras.js new file mode 100644 index 0000000000..d8e8e1f7d6 --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.with-extras.js @@ -0,0 +1,4163 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 +* http://gridster.net/ +* Copyright (c) 2014 ducksboard; Licensed MIT */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-coords', ['jquery'], factory); + } else { + root.GridsterCoords = factory(root.$ || root.jQuery); + } + +}(this, function($) { + /** + * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height) + * to simulate DOM elements on the screen. + * Coords is used by Gridster to create a faux grid with any DOM element can + * collide. + * + * @class Coords + * @param {HTMLElement|Object} obj The jQuery HTMLElement or a object with: left, + * top, width and height properties. + * @return {Object} Coords instance. + * @constructor + */ + function Coords(obj) { + if (obj[0] && $.isPlainObject(obj[0])) { + this.data = obj[0]; + }else { + this.el = obj; + } + + this.isCoords = true; + this.coords = {}; + this.init(); + return this; + } + + + var fn = Coords.prototype; + + + fn.init = function(){ + this.set(); + this.original_coords = this.get(); + }; + + + fn.set = function(update, not_update_offsets) { + var el = this.el; + + if (el && !update) { + this.data = el.offset(); + this.data.width = el.width(); + this.data.height = el.height(); + } + + if (el && update && !not_update_offsets) { + var offset = el.offset(); + this.data.top = offset.top; + this.data.left = offset.left; + } + + var d = this.data; + + typeof d.left === 'undefined' && (d.left = d.x1); + typeof d.top === 'undefined' && (d.top = d.y1); + + this.coords.x1 = d.left; + this.coords.y1 = d.top; + this.coords.x2 = d.left + d.width; + this.coords.y2 = d.top + d.height; + this.coords.cx = d.left + (d.width / 2); + this.coords.cy = d.top + (d.height / 2); + this.coords.width = d.width; + this.coords.height = d.height; + this.coords.el = el || false ; + + return this; + }; + + + fn.update = function(data){ + if (!data && !this.el) { + return this; + } + + if (data) { + var new_data = $.extend({}, this.data, data); + this.data = new_data; + return this.set(true, true); + } + + this.set(true); + return this; + }; + + + fn.get = function(){ + return this.coords; + }; + + fn.destroy = function() { + this.el.removeData('coords'); + delete this.el; + }; + + //jQuery adapter + $.fn.coords = function() { + if (this.data('coords') ) { + return this.data('coords'); + } + + var ins = new Coords(this, arguments[0]); + this.data('coords', ins); + return ins; + }; + + return Coords; + +})); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-collision', ['jquery', 'gridster-coords'], factory); + } else { + root.GridsterCollision = factory(root.$ || root.jQuery, + root.GridsterCoords); + } + +}(this, function($, Coords) { + + var defaults = { + colliders_context: document.body, + overlapping_region: 'C' + // ,on_overlap: function(collider_data){}, + // on_overlap_start : function(collider_data){}, + // on_overlap_stop : function(collider_data){} + }; + + + /** + * Detects collisions between a DOM element against other DOM elements or + * Coords objects. + * + * @class Collision + * @uses Coords + * @param {HTMLElement} el The jQuery wrapped HTMLElement. + * @param {HTMLElement|Array} colliders Can be a jQuery collection + * of HTMLElements or an Array of Coords instances. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {String} [options.overlapping_region] Determines when collision + * is valid, depending on the overlapped area. Values can be: 'N', 'S', + * 'W', 'E', 'C' or 'all'. Default is 'C'. + * @param {Function} [options.on_overlap_start] Executes a function the first + * time each `collider ` is overlapped. + * @param {Function} [options.on_overlap_stop] Executes a function when a + * `collider` is no longer collided. + * @param {Function} [options.on_overlap] Executes a function when the + * mouse is moved during the collision. + * @return {Object} Collision instance. + * @constructor + */ + function Collision(el, colliders, options) { + this.options = $.extend(defaults, options); + this.$element = el; + this.last_colliders = []; + this.last_colliders_coords = []; + this.set_colliders(colliders); + + this.init(); + } + + Collision.defaults = defaults; + + var fn = Collision.prototype; + + + fn.init = function() { + this.find_collisions(); + }; + + + fn.overlaps = function(a, b) { + var x = false; + var y = false; + + if ((b.x1 >= a.x1 && b.x1 <= a.x2) || + (b.x2 >= a.x1 && b.x2 <= a.x2) || + (a.x1 >= b.x1 && a.x2 <= b.x2) + ) { x = true; } + + if ((b.y1 >= a.y1 && b.y1 <= a.y2) || + (b.y2 >= a.y1 && b.y2 <= a.y2) || + (a.y1 >= b.y1 && a.y2 <= b.y2) + ) { y = true; } + + return (x && y); + }; + + + fn.detect_overlapping_region = function(a, b){ + var regionX = ''; + var regionY = ''; + + if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } + if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } + if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } + if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } + + return (regionX + regionY) || 'C'; + }; + + + fn.calculate_overlapped_area_coords = function(a, b){ + var x1 = Math.max(a.x1, b.x1); + var y1 = Math.max(a.y1, b.y1); + var x2 = Math.min(a.x2, b.x2); + var y2 = Math.min(a.y2, b.y2); + + return $({ + left: x1, + top: y1, + width : (x2 - x1), + height: (y2 - y1) + }).coords().get(); + }; + + + fn.calculate_overlapped_area = function(coords){ + return (coords.width * coords.height); + }; + + + fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ + var last = this.last_colliders_coords; + + for (var i = 0, il = last.length; i < il; i++) { + if ($.inArray(last[i], new_colliders_coords) === -1) { + start_callback.call(this, last[i]); + } + } + + for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { + if ($.inArray(new_colliders_coords[j], last) === -1) { + stop_callback.call(this, new_colliders_coords[j]); + } + + } + }; + + + fn.find_collisions = function(player_data_coords){ + var self = this; + var overlapping_region = this.options.overlapping_region; + var colliders_coords = []; + var colliders_data = []; + var $colliders = (this.colliders || this.$colliders); + var count = $colliders.length; + var player_coords = self.$element.coords() + .update(player_data_coords || false).get(); + + while(count--){ + var $collider = self.$colliders ? + $($colliders[count]) : $colliders[count]; + var $collider_coords_ins = ($collider.isCoords) ? + $collider : $collider.coords(); + var collider_coords = $collider_coords_ins.get(); + var overlaps = self.overlaps(player_coords, collider_coords); + + if (!overlaps) { + continue; + } + + var region = self.detect_overlapping_region( + player_coords, collider_coords); + + //todo: make this an option + if (region === overlapping_region || overlapping_region === 'all') { + + var area_coords = self.calculate_overlapped_area_coords( + player_coords, collider_coords); + var area = self.calculate_overlapped_area(area_coords); + var collider_data = { + area: area, + area_coords : area_coords, + region: region, + coords: collider_coords, + player_coords: player_coords, + el: $collider + }; + + if (self.options.on_overlap) { + self.options.on_overlap.call(this, collider_data); + } + colliders_coords.push($collider_coords_ins); + colliders_data.push(collider_data); + } + } + + if (self.options.on_overlap_stop || self.options.on_overlap_start) { + this.manage_colliders_start_stop(colliders_coords, + self.options.on_overlap_start, self.options.on_overlap_stop); + } + + this.last_colliders_coords = colliders_coords; + + return colliders_data; + }; + + + fn.get_closest_colliders = function(player_data_coords){ + var colliders = this.find_collisions(player_data_coords); + + colliders.sort(function(a, b) { + /* if colliders are being overlapped by the "C" (center) region, + * we have to set a lower index in the array to which they are placed + * above in the grid. */ + if (a.region === 'C' && b.region === 'C') { + if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { + return - 1; + }else{ + return 1; + } + } + + if (a.area < b.area) { + return 1; + } + + return 1; + }); + return colliders; + }; + + + fn.set_colliders = function(colliders) { + if (typeof colliders === 'string' || colliders instanceof $) { + this.$colliders = $(colliders, + this.options.colliders_context).not(this.$element); + }else{ + this.colliders = $(colliders); + } + }; + + + //jQuery adapter + $.fn.collision = function(collider, options) { + return new Collision( this, collider, options ); + }; + + return Collision; + +})); + +;(function(window, undefined) { + + /* Delay, debounce and throttle functions taken from underscore.js + * + * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and + * Investigative Reporters & Editors + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + window.delay = function(func, wait) { + var args = Array.prototype.slice.call(arguments, 2); + return setTimeout(function(){ return func.apply(null, args); }, wait); + }; + + window.debounce = function(func, wait, immediate) { + var timeout; + return function() { + var context = this, args = arguments; + var later = function() { + timeout = null; + if (!immediate) func.apply(context, args); + }; + if (immediate && !timeout) func.apply(context, args); + clearTimeout(timeout); + timeout = setTimeout(later, wait); + }; + }; + + window.throttle = function(func, wait) { + var context, args, timeout, throttling, more, result; + var whenDone = debounce( + function(){ more = throttling = false; }, wait); + return function() { + context = this; args = arguments; + var later = function() { + timeout = null; + if (more) func.apply(context, args); + whenDone(); + }; + if (!timeout) timeout = setTimeout(later, wait); + if (throttling) { + more = true; + } else { + result = func.apply(context, args); + } + whenDone(); + throttling = true; + return result; + }; + }; + +})(window); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-draggable', ['jquery'], factory); + } else { + root.GridsterDraggable = factory(root.$ || root.jQuery); + } + +}(this, function($) { + + var defaults = { + items: 'li', + distance: 1, + limit: true, + offset_left: 0, + autoscroll: true, + ignore_dragging: ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'], // or function + handle: null, + container_width: 0, // 0 == auto + move_element: true, + helper: false, // or 'clone' + remove_helper: true + // drag: function(e) {}, + // start : function(e, ui) {}, + // stop : function(e) {} + }; + + var $window = $(window); + var dir_map = { x : 'left', y : 'top' }; + var isTouch = !!('ontouchstart' in window); + + var capitalize = function(str) { + return str.charAt(0).toUpperCase() + str.slice(1); + }; + + var idCounter = 0; + var uniqId = function() { + return ++idCounter + ''; + } + + /** + * Basic drag implementation for DOM elements inside a container. + * Provide start/stop/drag callbacks. + * + * @class Draggable + * @param {HTMLElement} el The HTMLelement that contains all the widgets + * to be dragged. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.items] Define who will + * be the draggable items. Can be a CSS Selector String or a + * collection of HTMLElements. + * @param {Number} [options.distance] Distance in pixels after mousedown + * the mouse must move before dragging should start. + * @param {Boolean} [options.limit] Constrains dragging to the width of + * the container + * @param {Object|Function} [options.ignore_dragging] Array of node names + * that sould not trigger dragging, by default is `['INPUT', 'TEXTAREA', + * 'SELECT', 'BUTTON']`. If a function is used return true to ignore dragging. + * @param {offset_left} [options.offset_left] Offset added to the item + * that is being dragged. + * @param {Number} [options.drag] Executes a callback when the mouse is + * moved during the dragging. + * @param {Number} [options.start] Executes a callback when the drag + * starts. + * @param {Number} [options.stop] Executes a callback when the drag stops. + * @return {Object} Returns `el`. + * @constructor + */ + function Draggable(el, options) { + this.options = $.extend({}, defaults, options); + this.$document = $(document); + this.$container = $(el); + this.$dragitems = $(this.options.items, this.$container); + this.is_dragging = false; + this.player_min_left = 0 + this.options.offset_left; + this.id = uniqId(); + this.ns = '.gridster-draggable-' + this.id; + this.init(); + } + + Draggable.defaults = defaults; + + var fn = Draggable.prototype; + + fn.init = function() { + var pos = this.$container.css('position'); + this.calculate_dimensions(); + this.$container.css('position', pos === 'static' ? 'relative' : pos); + this.disabled = false; + this.events(); + + $(window).bind(this.nsEvent('resize'), + throttle($.proxy(this.calculate_dimensions, this), 200)); + }; + + fn.nsEvent = function(ev) { + return (ev || '') + this.ns; + }; + + fn.events = function() { + this.pointer_events = { + start: this.nsEvent('touchstart') + ' ' + this.nsEvent('mousedown'), + move: this.nsEvent('touchmove') + ' ' + this.nsEvent('mousemove'), + end: this.nsEvent('touchend') + ' ' + this.nsEvent('mouseup'), + }; + + this.$container.on(this.nsEvent('selectstart'), + $.proxy(this.on_select_start, this)); + + this.$container.on(this.pointer_events.start, this.options.items, + $.proxy(this.drag_handler, this)); + + this.$document.on(this.pointer_events.end, $.proxy(function(e) { + this.is_dragging = false; + if (this.disabled) { return; } + this.$document.off(this.pointer_events.move); + if (this.drag_start) { + this.on_dragstop(e); + } + }, this)); + }; + + fn.get_actual_pos = function($el) { + var pos = $el.position(); + return pos; + }; + + + fn.get_mouse_pos = function(e) { + if (e.originalEvent && e.originalEvent.touches) { + var oe = e.originalEvent; + e = oe.touches.length ? oe.touches[0] : oe.changedTouches[0]; + } + + return { + left: e.clientX, + top: e.clientY + }; + }; + + + fn.get_offset = function(e) { + e.preventDefault(); + var mouse_actual_pos = this.get_mouse_pos(e); + var diff_x = Math.round( + mouse_actual_pos.left - this.mouse_init_pos.left); + var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top); + + var left = Math.round(this.el_init_offset.left + + diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x); + var top = Math.round(this.el_init_offset.top + + diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y); + + if (this.options.limit) { + if (left > this.player_max_left) { + left = this.player_max_left; + } else if(left < this.player_min_left) { + left = this.player_min_left; + } + } + + return { + position: { + left: left, + top: top + }, + pointer: { + left: mouse_actual_pos.left, + top: mouse_actual_pos.top, + diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x), + diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y) + } + }; + }; + + + fn.get_drag_data = function(e) { + var offset = this.get_offset(e); + offset.$player = this.$player; + offset.$helper = this.helper ? this.$helper : this.$player; + + return offset; + }; + + + fn.set_limits = function(container_width) { + container_width || (container_width = this.$container.width()); + this.player_max_left = (container_width - this.player_width + + - this.options.offset_left); + + this.options.container_width = container_width; + + return this; + }; + + + fn.scroll_in = function(axis, data) { + var dir_prop = dir_map[axis]; + + var area_size = 50; + var scroll_inc = 30; + + var is_x = axis === 'x'; + var window_size = is_x ? this.window_width : this.window_height; + var doc_size = is_x ? $(document).width() : $(document).height(); + var player_size = is_x ? this.$player.width() : this.$player.height(); + + var next_scroll; + var scroll_offset = $window['scroll' + capitalize(dir_prop)](); + var min_window_pos = scroll_offset; + var max_window_pos = min_window_pos + window_size; + + var mouse_next_zone = max_window_pos - area_size; // down/right + var mouse_prev_zone = min_window_pos + area_size; // up/left + + var abs_mouse_pos = min_window_pos + data.pointer[dir_prop]; + + var max_player_pos = (doc_size - window_size + player_size); + + if (abs_mouse_pos >= mouse_next_zone) { + next_scroll = scroll_offset + scroll_inc; + if (next_scroll < max_player_pos) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] += scroll_inc; + } + } + + if (abs_mouse_pos <= mouse_prev_zone) { + next_scroll = scroll_offset - scroll_inc; + if (next_scroll > 0) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] -= scroll_inc; + } + } + + return this; + }; + + + fn.manage_scroll = function(data) { + this.scroll_in('x', data); + this.scroll_in('y', data); + }; + + + fn.calculate_dimensions = function(e) { + this.window_height = $window.height(); + this.window_width = $window.width(); + }; + + + fn.drag_handler = function(e) { + var node = e.target.nodeName; + // skip if drag is disabled, or click was not done with the mouse primary button + if (this.disabled || e.which !== 1 && !isTouch) { + return; + } + + if (this.ignore_drag(e)) { + return; + } + + var self = this; + var first = true; + this.$player = $(e.currentTarget); + + this.el_init_pos = this.get_actual_pos(this.$player); + this.mouse_init_pos = this.get_mouse_pos(e); + this.offsetY = this.mouse_init_pos.top - this.el_init_pos.top; + + this.$document.on(this.pointer_events.move, function(mme) { + var mouse_actual_pos = self.get_mouse_pos(mme); + var diff_x = Math.abs( + mouse_actual_pos.left - self.mouse_init_pos.left); + var diff_y = Math.abs( + mouse_actual_pos.top - self.mouse_init_pos.top); + if (!(diff_x > self.options.distance || + diff_y > self.options.distance) + ) { + return false; + } + + if (first) { + first = false; + self.on_dragstart.call(self, mme); + return false; + } + + if (self.is_dragging === true) { + self.on_dragmove.call(self, mme); + } + + return false; + }); + + if (!isTouch) { return false; } + }; + + + fn.on_dragstart = function(e) { + e.preventDefault(); + + if (this.is_dragging) { return this; } + + this.drag_start = this.is_dragging = true; + var offset = this.$container.offset(); + this.baseX = Math.round(offset.left); + this.baseY = Math.round(offset.top); + this.initial_container_width = this.options.container_width || this.$container.width(); + + if (this.options.helper === 'clone') { + this.$helper = this.$player.clone() + .appendTo(this.$container).addClass('helper'); + this.helper = true; + } else { + this.helper = false; + } + + this.win_offset_y = $(window).scrollTop(); + this.win_offset_x = $(window).scrollLeft(); + this.scroll_offset_y = 0; + this.scroll_offset_x = 0; + this.el_init_offset = this.$player.offset(); + this.player_width = this.$player.width(); + this.player_height = this.$player.height(); + + this.set_limits(this.options.container_width); + + if (this.options.start) { + this.options.start.call(this.$player, e, this.get_drag_data(e)); + } + return false; + }; + + + fn.on_dragmove = function(e) { + var data = this.get_drag_data(e); + + this.options.autoscroll && this.manage_scroll(data); + + if (this.options.move_element) { + (this.helper ? this.$helper : this.$player).css({ + 'position': 'absolute', + 'left' : data.position.left, + 'top' : data.position.top + }); + } + + var last_position = this.last_position || data.position; + data.prev_position = last_position; + + if (this.options.drag) { + this.options.drag.call(this.$player, e, data); + } + + this.last_position = data.position; + return false; + }; + + + fn.on_dragstop = function(e) { + var data = this.get_drag_data(e); + this.drag_start = false; + + if (this.options.stop) { + this.options.stop.call(this.$player, e, data); + } + + if (this.helper && this.options.remove_helper) { + this.$helper.remove(); + } + + return false; + }; + + fn.on_select_start = function(e) { + if (this.disabled) { return; } + + if (this.ignore_drag(e)) { + return; + } + + return false; + }; + + fn.enable = function() { + this.disabled = false; + }; + + fn.disable = function() { + this.disabled = true; + }; + + fn.destroy = function() { + this.disable(); + + this.$container.off(this.ns); + this.$document.off(this.ns); + $(window).off(this.ns); + + $.removeData(this.$container, 'drag'); + }; + + fn.ignore_drag = function(event) { + if (this.options.handle) { + return !$(event.target).is(this.options.handle); + } + + if ($.isFunction(this.options.ignore_dragging)) { + return this.options.ignore_dragging(event); + } + + return $(event.target).is(this.options.ignore_dragging.join(', ')); + }; + + //jQuery adapter + $.fn.drag = function ( options ) { + return new Draggable(this, options); + }; + + return Draggable; + +})); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define(['jquery', 'gridster-draggable', 'gridster-collision'], factory); + } else { + root.Gridster = factory(root.$ || root.jQuery, root.GridsterDraggable, + root.GridsterCollision); + } + + }(this, function($, Draggable, Collision) { + + var defaults = { + namespace: '', + widget_selector: 'li', + widget_margins: [10, 10], + widget_base_dimensions: [400, 225], + extra_rows: 0, + extra_cols: 0, + min_cols: 1, + max_cols: Infinity, + min_rows: 15, + max_size_x: false, + autogrow_cols: false, + autogenerate_stylesheet: true, + avoid_overlapped_widgets: true, + auto_init: true, + serialize_params: function($w, wgd) { + return { + col: wgd.col, + row: wgd.row, + size_x: wgd.size_x, + size_y: wgd.size_y + }; + }, + collision: {}, + draggable: { + items: '.gs-w', + distance: 4, + ignore_dragging: Draggable.defaults.ignore_dragging.slice(0) + }, + resize: { + enabled: false, + axes: ['both'], + handle_append_to: '', + handle_class: 'gs-resize-handle', + max_size: [Infinity, Infinity], + min_size: [1, 1] + } + }; + + /** + * @class Gridster + * @uses Draggable + * @uses Collision + * @param {HTMLElement} el The HTMLelement that contains all the widgets. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.widget_selector] Define who will + * be the draggable widgets. Can be a CSS Selector String or a + * collection of HTMLElements + * @param {Array} [options.widget_margins] Margin between widgets. + * The first index for the horizontal margin (left, right) and + * the second for the vertical margin (top, bottom). + * @param {Array} [options.widget_base_dimensions] Base widget dimensions + * in pixels. The first index for the width and the second for the + * height. + * @param {Number} [options.extra_cols] Add more columns in addition to + * those that have been calculated. + * @param {Number} [options.extra_rows] Add more rows in addition to + * those that have been calculated. + * @param {Number} [options.min_cols] The minimum required columns. + * @param {Number} [options.max_cols] The maximum columns possible (set to null + * for no maximum). + * @param {Number} [options.min_rows] The minimum required rows. + * @param {Number} [options.max_size_x] The maximum number of columns + * that a widget can span. + * @param {Boolean} [options.autogenerate_stylesheet] If true, all the + * CSS required to position all widgets in their respective columns + * and rows will be generated automatically and injected to the + * `` of the document. You can set this to false, and write + * your own CSS targeting rows and cols via data-attributes like so: + * `[data-col="1"] { left: 10px; }` + * @param {Boolean} [options.avoid_overlapped_widgets] Avoid that widgets loaded + * from the DOM can be overlapped. It is helpful if the positions were + * bad stored in the database or if there was any conflict. + * @param {Boolean} [options.auto_init] Automatically call gridster init + * method or not when the plugin is instantiated. + * @param {Function} [options.serialize_params] Return the data you want + * for each widget in the serialization. Two arguments are passed: + * `$w`: the jQuery wrapped HTMLElement, and `wgd`: the grid + * coords object (`col`, `row`, `size_x`, `size_y`). + * @param {Object} [options.collision] An Object with all options for + * Collision class you want to overwrite. See Collision docs for + * more info. + * @param {Object} [options.draggable] An Object with all options for + * Draggable class you want to overwrite. See Draggable docs for more + * info. + * @param {Object|Function} [options.draggable.ignore_dragging] Note that + * if you use a Function, and resize is enabled, you should ignore the + * resize handlers manually (options.resize.handle_class). + * @param {Object} [options.resize] An Object with resize config options. + * @param {Boolean} [options.resize.enabled] Set to true to enable + * resizing. + * @param {Array} [options.resize.axes] Axes in which widgets can be + * resized. Possible values: ['x', 'y', 'both']. + * @param {String} [options.resize.handle_append_to] Set a valid CSS + * selector to append resize handles to. + * @param {String} [options.resize.handle_class] CSS class name used + * by resize handles. + * @param {Array} [options.resize.max_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[max_cols_occupied, max_rows_occupied]` + * @param {Array} [options.resize.min_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[min_cols_occupied, min_rows_occupied]` + * @param {Function} [options.resize.start] Function executed + * when resizing starts. + * @param {Function} [otions.resize.resize] Function executed + * during the resizing. + * @param {Function} [options.resize.stop] Function executed + * when resizing stops. + * + * @constructor + */ + function Gridster(el, options) { + this.options = $.extend(true, {}, defaults, options); + this.$el = $(el); + this.$wrapper = this.$el.parent(); + this.$widgets = this.$el.children( + this.options.widget_selector).addClass('gs-w'); + this.widgets = []; + this.$changed = $([]); + this.wrapper_width = this.$wrapper.width(); + this.min_widget_width = (this.options.widget_margins[0] * 2) + + this.options.widget_base_dimensions[0]; + this.min_widget_height = (this.options.widget_margins[1] * 2) + + this.options.widget_base_dimensions[1]; + + this.generated_stylesheets = []; + this.$style_tags = $([]); + + this.options.auto_init && this.init(); + } + + Gridster.defaults = defaults; + Gridster.generated_stylesheets = []; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in ascending way. + * + * @method sort_by_row_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (!a.row) { + a = $(a).coords().grid; + b = $(b).coords().grid; + } + + if (a.row > b.row) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) placing first the empty cells upper left. + * + * @method sort_by_row_and_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_and_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row > b.row || a.row === b.row && a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects by column (representing the grid + * coords of each widget) in ascending way. + * + * @method sort_by_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method sort_by_row_desc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_desc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row + a.size_y < b.row + b.size_y) { + return 1; + } + return -1; + }); + return widgets; + }; + + + + /** Instance Methods **/ + + var fn = Gridster.prototype; + + fn.init = function() { + this.options.resize.enabled && this.setup_resize(); + this.generate_grid_and_stylesheet(); + this.get_widgets_from_DOM(); + this.set_dom_grid_height(); + this.set_dom_grid_width(); + this.$wrapper.addClass('ready'); + this.draggable(); + this.options.resize.enabled && this.resizable(); + + $(window).bind('resize.gridster', throttle( + $.proxy(this.recalculate_faux_grid, this), 200)); + }; + + + /** + * Disables dragging. + * + * @method disable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.disable = function() { + this.$wrapper.find('.player-revert').removeClass('player-revert'); + this.drag_api.disable(); + return this; + }; + + + /** + * Enables dragging. + * + * @method enable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.enable = function() { + this.drag_api.enable(); + return this; + }; + + + + /** + * Disables drag-and-drop widget resizing. + * + * @method disable + * @return {Class} Returns instance of gridster Class. + */ + fn.disable_resize = function() { + this.$el.addClass('gs-resize-disabled'); + this.resize_api.disable(); + return this; + }; + + + /** + * Enables drag-and-drop widget resizing. + * + * @method enable + * @return {Class} Returns instance of gridster Class. + */ + fn.enable_resize = function() { + this.$el.removeClass('gs-resize-disabled'); + this.resize_api.enable(); + return this; + }; + + + /** + * Add a new widget to the grid. + * + * @method add_widget + * @param {String|HTMLElement} html The string representing the HTML of the widget + * or the HTMLElement. + * @param {Number} [size_x] The nº of rows the widget occupies horizontally. + * @param {Number} [size_y] The nº of columns the widget occupies vertically. + * @param {Number} [col] The column the widget should start in. + * @param {Number} [row] The row the widget should start in. + * @param {Array} [max_size] max_size Maximun size (in units) for width and height. + * @param {Array} [min_size] min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing. + * the widget that was just created. + */ + fn.add_widget = function(html, size_x, size_y, col, row, max_size, min_size) { + var pos; + size_x || (size_x = 1); + size_y || (size_y = 1); + + if (!col & !row) { + pos = this.next_position(size_x, size_y); + } else { + pos = { + col: col, + row: row, + size_x: size_x, + size_y: size_y + }; + + this.empty_cells(col, row, size_x, size_y); + } + + var $w = $(html).attr({ + 'data-col': pos.col, + 'data-row': pos.row, + 'data-sizex' : size_x, + 'data-sizey' : size_y + }).addClass('gs-w').appendTo(this.$el).hide(); + + this.$widgets = this.$widgets.add($w); + + this.register_widget($w); + + this.add_faux_rows(pos.size_y); + //this.add_faux_cols(pos.size_x); + + if (max_size) { + this.set_widget_max_size($w, max_size); + } + + if (min_size) { + this.set_widget_min_size($w, min_size); + } + + this.set_dom_grid_width(); + this.set_dom_grid_height(); + + this.drag_api.set_limits(this.cols * this.min_widget_width); + + return $w.fadeIn(); + }; + + + /** + * Change widget size limits. + * + * @method set_widget_min_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_min_size = function($widget, min_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.min_size_x = min_size[0]; + wgd.min_size_y = min_size[1]; + + return this; + }; + + + /** + * Change widget size limits. + * + * @method set_widget_max_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} max_size Maximun size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_max_size = function($widget, max_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.max_size_x = max_size[0]; + wgd.max_size_y = max_size[1]; + + return this; + }; + + + /** + * Append the resize handle into a widget. + * + * @method add_resize_handle + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.add_resize_handle = function($w) { + var append_to = this.options.resize.handle_append_to; + $(this.resize_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); + + return this; + }; + + + /** + * Change the size of a widget. Width is limited to the current grid width. + * + * @method resize_widget + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @param {Number} size_x The number of columns that will occupy the widget. + * By default size_x is limited to the space available from + * the column where the widget begins, until the last column to the right. + * @param {Number} size_y The number of rows that will occupy the widget. + * @param {Function} [callback] Function executed when the widget is removed. + * @return {HTMLElement} Returns $widget. + */ + fn.resize_widget = function($widget, size_x, size_y, callback) { + var wgd = $widget.coords().grid; + var col = wgd.col; + var max_cols = this.options.max_cols; + var old_size_y = wgd.size_y; + var old_col = wgd.col; + var new_col = old_col; + + size_x || (size_x = wgd.size_x); + size_y || (size_y = wgd.size_y); + + if (max_cols !== Infinity) { + size_x = Math.min(size_x, max_cols - col + 1); + } + + if (size_y > old_size_y) { + this.add_faux_rows(Math.max(size_y - old_size_y, 0)); + } + + var player_rcol = (col + size_x - 1); + if (player_rcol > this.cols) { + this.add_faux_cols(player_rcol - this.cols); + } + + var new_grid_data = { + col: new_col, + row: wgd.row, + size_x: size_x, + size_y: size_y + }; + + this.mutate_widget_in_gridmap($widget, wgd, new_grid_data); + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (callback) { + callback.call(this, new_grid_data.size_x, new_grid_data.size_y); + } + + return $widget; + }; + + + /** + * Mutate widget dimensions and position in the grid map. + * + * @method mutate_widget_in_gridmap + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget to mutate. + * @param {Object} wgd Current widget grid data (col, row, size_x, size_y). + * @param {Object} new_wgd New widget grid data. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.mutate_widget_in_gridmap = function($widget, wgd, new_wgd) { + var old_size_x = wgd.size_x; + var old_size_y = wgd.size_y; + + var old_cells_occupied = this.get_cells_occupied(wgd); + var new_cells_occupied = this.get_cells_occupied(new_wgd); + + var empty_cols = []; + $.each(old_cells_occupied.cols, function(i, col) { + if ($.inArray(col, new_cells_occupied.cols) === -1) { + empty_cols.push(col); + } + }); + + var occupied_cols = []; + $.each(new_cells_occupied.cols, function(i, col) { + if ($.inArray(col, old_cells_occupied.cols) === -1) { + occupied_cols.push(col); + } + }); + + var empty_rows = []; + $.each(old_cells_occupied.rows, function(i, row) { + if ($.inArray(row, new_cells_occupied.rows) === -1) { + empty_rows.push(row); + } + }); + + var occupied_rows = []; + $.each(new_cells_occupied.rows, function(i, row) { + if ($.inArray(row, old_cells_occupied.rows) === -1) { + occupied_rows.push(row); + } + }); + + this.remove_from_gridmap(wgd); + + if (occupied_cols.length) { + var cols_to_empty = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, Math.min(old_size_y, new_wgd.size_y), $widget + ]; + this.empty_cells.apply(this, cols_to_empty); + } + + if (occupied_rows.length) { + var rows_to_empty = [new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget]; + this.empty_cells.apply(this, rows_to_empty); + } + + // not the same that wgd = new_wgd; + wgd.col = new_wgd.col; + wgd.row = new_wgd.row; + wgd.size_x = new_wgd.size_x; + wgd.size_y = new_wgd.size_y; + + this.add_to_gridmap(new_wgd, $widget); + + $widget.removeClass('player-revert'); + + //update coords instance attributes + $widget.data('coords').update({ + width: (new_wgd.size_x * this.options.widget_base_dimensions[0] + + ((new_wgd.size_x - 1) * this.options.widget_margins[0]) * 2), + height: (new_wgd.size_y * this.options.widget_base_dimensions[1] + + ((new_wgd.size_y - 1) * this.options.widget_margins[1]) * 2) + }); + + $widget.attr({ + 'data-col': new_wgd.col, + 'data-row': new_wgd.row, + 'data-sizex': new_wgd.size_x, + 'data-sizey': new_wgd.size_y + }); + + if (empty_cols.length) { + var cols_to_remove_holes = [ + empty_cols[0], new_wgd.row, + empty_cols.length, + Math.min(old_size_y, new_wgd.size_y), + $widget + ]; + + this.remove_empty_cells.apply(this, cols_to_remove_holes); + } + + if (empty_rows.length) { + var rows_to_remove_holes = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget + ]; + this.remove_empty_cells.apply(this, rows_to_remove_holes); + } + + this.move_widget_up($widget); + + return this; + }; + + + /** + * Move down widgets in cells represented by the arguments col, row, size_x, + * size_y + * + * @method empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} $exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells = function(col, row, size_x, size_y, $exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row - size_y, + size_x: size_x, + size_y: size_y + }); + + $nexts.not($exclude).each($.proxy(function(i, w) { + var wgd = $(w).coords().grid; + if ( !(wgd.row <= (row + size_y - 1))) { return; } + var diff = (row + size_y) - wgd.row; + this.move_widget_down($(w), diff); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Move up widgets below cells represented by the arguments col, row, size_x, + * size_y. + * + * @method remove_empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_empty_cells = function(col, row, size_x, size_y, exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row, + size_x: size_x, + size_y: size_y + }); + + $nexts.not(exclude).each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), size_y ); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Get the most left column below to add a new widget. + * + * @method next_position + * @param {Number} size_x The nº of rows the widget occupies horizontally. + * @param {Number} size_y The nº of columns the widget occupies vertically. + * @return {Object} Returns a grid coords object representing the future + * widget coords. + */ + fn.next_position = function(size_x, size_y) { + size_x || (size_x = 1); + size_y || (size_y = 1); + var ga = this.gridmap; + var cols_l = ga.length; + var valid_pos = []; + var rows_l; + + for (var c = 1; c < cols_l; c++) { + rows_l = ga[c].length; + for (var r = 1; r <= rows_l; r++) { + var can_move_to = this.can_move_to({ + size_x: size_x, + size_y: size_y + }, c, r); + + if (can_move_to) { + valid_pos.push({ + col: c, + row: r, + size_y: size_y, + size_x: size_x + }); + } + } + } + + if (valid_pos.length) { + return Gridster.sort_by_row_and_col_asc(valid_pos)[0]; + } + return false; + }; + + + /** + * Remove a widget from the grid. + * + * @method remove_widget + * @param {HTMLElement} el The jQuery wrapped HTMLElement you want to remove. + * @param {Boolean|Function} silent If true, widgets below the removed one + * will not move up. If a Function is passed it will be used as callback. + * @param {Function} callback Function executed when the widget is removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_widget = function(el, silent, callback) { + var $el = el instanceof $ ? el : $(el); + var wgd = $el.coords().grid; + + // if silent is a function assume it's a callback + if ($.isFunction(silent)) { + callback = silent; + silent = false; + } + + this.cells_occupied_by_placeholder = {}; + this.$widgets = this.$widgets.not($el); + + var $nexts = this.widgets_below($el); + + this.remove_from_gridmap(wgd); + + $el.fadeOut($.proxy(function() { + $el.remove(); + + if (!silent) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), wgd.size_y ); + }, this)); + } + + this.set_dom_grid_height(); + + if (callback) { + callback.call(this, el); + } + }, this)); + + return this; + }; + + + /** + * Remove all widgets from the grid. + * + * @method remove_all_widgets + * @param {Function} callback Function executed for each widget removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_all_widgets = function(callback) { + this.$widgets.each($.proxy(function(i, el){ + this.remove_widget(el, true, callback); + }, this)); + + return this; + }; + + + /** + * Returns a serialized array of the widgets in the grid. + * + * @method serialize + * @param {HTMLElement} [$widgets] The collection of jQuery wrapped + * HTMLElements you want to serialize. If no argument is passed all widgets + * will be serialized. + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize = function($widgets) { + $widgets || ($widgets = this.$widgets); + + return $widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.options.serialize_params($w, $w.coords().grid); + }, this)).get(); + }; + + + /** + * Returns a serialized array of the widgets that have changed their + * position. + * + * @method serialize_changed + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize_changed = function() { + return this.serialize(this.$changed); + }; + + + /** + * Convert widgets from DOM elements to "widget grid data" Objects. + * + * @method dom_to_coords + * @param {HTMLElement} $widget The widget to be converted. + */ + fn.dom_to_coords = function($widget) { + return { + 'col': parseInt($widget.attr('data-col'), 10), + 'row': parseInt($widget.attr('data-row'), 10), + 'size_x': parseInt($widget.attr('data-sizex'), 10) || 1, + 'size_y': parseInt($widget.attr('data-sizey'), 10) || 1, + 'max_size_x': parseInt($widget.attr('data-max-sizex'), 10) || false, + 'max_size_y': parseInt($widget.attr('data-max-sizey'), 10) || false, + 'min_size_x': parseInt($widget.attr('data-min-sizex'), 10) || false, + 'min_size_y': parseInt($widget.attr('data-min-sizey'), 10) || false, + 'el': $widget + }; + }; + + + /** + * Creates the grid coords object representing the widget an add it to the + * mapped array of positions. + * + * @method register_widget + * @param {HTMLElement|Object} $el jQuery wrapped HTMLElement representing + * the widget, or an "widget grid data" Object with (col, row, el ...). + * @return {Boolean} Returns true if the widget final position is different + * than the original. + */ + fn.register_widget = function($el) { + var isDOM = $el instanceof jQuery; + var wgd = isDOM ? this.dom_to_coords($el) : $el; + var posChanged = false; + isDOM || ($el = wgd.el); + + var empty_upper_row = this.can_go_widget_up(wgd); + if (empty_upper_row) { + wgd.row = empty_upper_row; + $el.attr('data-row', empty_upper_row); + this.$el.trigger('gridster:positionchanged', [wgd]); + posChanged = true; + } + + if (this.options.avoid_overlapped_widgets && + !this.can_move_to( + {size_x: wgd.size_x, size_y: wgd.size_y}, wgd.col, wgd.row) + ) { + $.extend(wgd, this.next_position(wgd.size_x, wgd.size_y)); + $el.attr({ + 'data-col': wgd.col, + 'data-row': wgd.row, + 'data-sizex': wgd.size_x, + 'data-sizey': wgd.size_y + }); + posChanged = true; + } + + // attach Coord object to player data-coord attribute + $el.data('coords', $el.coords()); + // Extend Coord object with grid position info + $el.data('coords').grid = wgd; + + this.add_to_gridmap(wgd, $el); + + this.options.resize.enabled && this.add_resize_handle($el); + + return posChanged; + }; + + + /** + * Update in the mapped array of positions the value of cells represented by + * the grid coords object passed in the `grid_data` param. + * + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value Pass `false` or the jQuery wrapped + * HTMLElement, depends if you want to delete an existing position or add + * a new one. + * @method update_widget_position + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.update_widget_position = function(grid_data, value) { + this.for_each_cell_occupied(grid_data, function(col, row) { + if (!this.gridmap[col]) { return this; } + this.gridmap[col][row] = value; + }); + return this; + }; + + + /** + * Remove a widget from the mapped array of positions. + * + * @method remove_from_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_from_gridmap = function(grid_data) { + return this.update_widget_position(grid_data, false); + }; + + + /** + * Add a widget to the mapped array of positions. + * + * @method add_to_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value The value to set in the specified + * position . + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.add_to_gridmap = function(grid_data, value) { + this.update_widget_position(grid_data, value || grid_data.el); + + if (grid_data.el) { + var $widgets = this.widgets_below(grid_data.el); + $widgets.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget)); + }, this)); + } + }; + + + /** + * Make widgets draggable. + * + * @uses Draggable + * @method draggable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.draggable = function() { + var self = this; + var draggable_options = $.extend(true, {}, this.options.draggable, { + offset_left: this.options.widget_margins[0], + offset_top: this.options.widget_margins[1], + container_width: this.cols * this.min_widget_width, + limit: true, + start: function(event, ui) { + self.$widgets.filter('.player-revert') + .removeClass('player-revert'); + + self.$player = $(this); + self.$helper = $(ui.$helper); + + self.helper = !self.$helper.is(self.$player); + + self.on_start_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstart'); + }, + stop: function(event, ui) { + self.on_stop_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstop'); + }, + drag: throttle(function(event, ui) { + self.on_drag.call(self, event, ui); + self.$el.trigger('gridster:drag'); + }, 60) + }); + + this.drag_api = this.$el.drag(draggable_options); + return this; + }; + + + /** + * Bind resize events to get resize working. + * + * @method resizable + * @return {Class} Returns instance of gridster Class. + */ + fn.resizable = function() { + this.resize_api = this.$el.drag({ + items: '.' + this.options.resize.handle_class, + offset_left: this.options.widget_margins[0], + container_width: this.container_width, + move_element: false, + resize: true, + limit: this.options.autogrow_cols ? false : true, + start: $.proxy(this.on_start_resize, this), + stop: $.proxy(function(event, ui) { + delay($.proxy(function() { + this.on_stop_resize(event, ui); + }, this), 120); + }, this), + drag: throttle($.proxy(this.on_resize, this), 60) + }); + + return this; + }; + + + /** + * Setup things required for resizing. Like build templates for drag handles. + * + * @method setup_resize + * @return {Class} Returns instance of gridster Class. + */ + fn.setup_resize = function() { + this.resize_handle_class = this.options.resize.handle_class; + var axes = this.options.resize.axes; + var handle_tpl = ''; + + this.resize_handle_tpl = $.map(axes, function(type) { + return handle_tpl.replace('{type}', type); + }).join(''); + + if ($.isArray(this.options.draggable.ignore_dragging)) { + this.options.draggable.ignore_dragging.push( + '.' + this.resize_handle_class); + } + + return this; + }; + + + /** + * This function is executed when the player begins to be dragged. + * + * @method on_start_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper).addClass('dragging'); + + this.highest_col = this.get_highest_occupied_cell().col; + + this.$player.addClass('player'); + this.player_grid_data = this.$player.coords().grid; + this.placeholder_grid_data = $.extend({}, this.player_grid_data); + + this.set_dom_grid_height(this.$el.height() + + (this.player_grid_data.size_y * this.min_widget_height)); + + this.set_dom_grid_width(this.cols); + + var pgd_sizex = this.player_grid_data.size_x; + var cols_diff = this.cols - this.highest_col; + + if (this.options.autogrow_cols && cols_diff <= pgd_sizex) { + this.add_faux_cols(Math.min(pgd_sizex - cols_diff, 1)); + } + + var colliders = this.faux_grid; + var coords = this.$player.data('coords').coords; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.last_cols = []; + this.last_rows = []; + + // see jquery.collision.js + this.collision_api = this.$helper.collision( + colliders, this.options.collision); + + this.$preview_holder = $('<' + this.$player.get(0).tagName + ' />', { + 'class': 'preview-holder', + 'data-row': this.$player.attr('data-row'), + 'data-col': this.$player.attr('data-col'), + css: { + width: coords.width, + height: coords.height + } + }).appendTo(this.$el); + + if (this.options.draggable.start) { + this.options.draggable.start.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player is being dragged. + * + * @method on_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_drag = function(event, ui) { + //break if dragstop has been fired + if (this.$player === null) { + return false; + } + + var abs_offset = { + left: ui.position.left + this.baseX, + top: ui.position.top + this.baseY + }; + + // auto grow cols + if (this.options.autogrow_cols) { + var prcol = this.placeholder_grid_data.col + + this.placeholder_grid_data.size_x - 1; + + // "- 1" due to adding at least 1 column in on_start_drag + if (prcol >= this.cols - 1 && this.options.max_cols >= this.cols + 1) { + this.add_faux_cols(1); + this.set_dom_grid_width(this.cols + 1); + this.drag_api.set_limits(this.container_width); + } + + this.collision_api.set_colliders(this.faux_grid); + } + + this.colliders_data = this.collision_api.get_closest_colliders( + abs_offset); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, this.on_stop_overlapping_column); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, this.on_stop_overlapping_row); + + + if (this.helper && this.$player) { + this.$player.css({ + 'left': ui.position.left, + 'top': ui.position.top + }); + } + + if (this.options.draggable.drag) { + this.options.draggable.drag.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player stops being dragged. + * + * @method on_stop_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper) + .removeClass('dragging'); + + ui.position.left = ui.position.left + this.baseX; + ui.position.top = ui.position.top + this.baseY; + this.colliders_data = this.collision_api.get_closest_colliders( + ui.position); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, + this.on_stop_overlapping_column + ); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, + this.on_stop_overlapping_row + ); + + this.$player.addClass('player-revert').removeClass('player') + .attr({ + 'data-col': this.placeholder_grid_data.col, + 'data-row': this.placeholder_grid_data.row + }).css({ + 'left': '', + 'top': '' + }); + + this.$changed = this.$changed.add(this.$player); + + this.cells_occupied_by_player = this.get_cells_occupied( + this.placeholder_grid_data); + this.set_cells_player_occupies( + this.placeholder_grid_data.col, this.placeholder_grid_data.row); + + this.$player.coords().grid.row = this.placeholder_grid_data.row; + this.$player.coords().grid.col = this.placeholder_grid_data.col; + + if (this.options.draggable.stop) { + this.options.draggable.stop.call(this, event, ui); + } + + this.$preview_holder.remove(); + + this.$player = null; + this.$helper = null; + this.placeholder_grid_data = {}; + this.player_grid_data = {}; + this.cells_occupied_by_placeholder = {}; + this.cells_occupied_by_player = {}; + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed every time a widget starts to be resized. + * + * @method on_start_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_resize = function(event, ui) { + this.$resized_widget = ui.$player.closest('.gs-w'); + this.resize_coords = this.$resized_widget.coords(); + this.resize_wgd = this.resize_coords.grid; + this.resize_initial_width = this.resize_coords.coords.width; + this.resize_initial_height = this.resize_coords.coords.height; + this.resize_initial_sizex = this.resize_coords.grid.size_x; + this.resize_initial_sizey = this.resize_coords.grid.size_y; + this.resize_initial_col = this.resize_coords.grid.col; + this.resize_last_sizex = this.resize_initial_sizex; + this.resize_last_sizey = this.resize_initial_sizey; + + this.resize_max_size_x = Math.min(this.resize_wgd.max_size_x || + this.options.resize.max_size[0], + this.options.max_cols - this.resize_initial_col + 1); + this.resize_max_size_y = this.resize_wgd.max_size_y || + this.options.resize.max_size[1]; + + this.resize_min_size_x = (this.resize_wgd.min_size_x || + this.options.resize.min_size[0] || 1); + this.resize_min_size_y = (this.resize_wgd.min_size_y || + this.options.resize.min_size[1] || 1); + + this.resize_initial_last_col = this.get_highest_occupied_cell().col; + + this.set_dom_grid_width(this.cols); + + this.resize_dir = { + right: ui.$player.is('.' + this.resize_handle_class + '-x'), + bottom: ui.$player.is('.' + this.resize_handle_class + '-y') + }; + + this.$resized_widget.css({ + 'min-width': this.options.widget_base_dimensions[0], + 'min-height': this.options.widget_base_dimensions[1] + }); + + var nodeName = this.$resized_widget.get(0).tagName; + this.$resize_preview_holder = $('<' + nodeName + ' />', { + 'class': 'preview-holder resize-preview-holder', + 'data-row': this.$resized_widget.attr('data-row'), + 'data-col': this.$resized_widget.attr('data-col'), + 'css': { + 'width': this.resize_initial_width, + 'height': this.resize_initial_height + } + }).appendTo(this.$el); + + this.$resized_widget.addClass('resizing'); + + if (this.options.resize.start) { + this.options.resize.start.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestart'); + }; + + + /** + * This function is executed every time a widget stops being resized. + * + * @method on_stop_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_resize = function(event, ui) { + this.$resized_widget + .removeClass('resizing') + .css({ + 'width': '', + 'height': '' + }); + + delay($.proxy(function() { + this.$resize_preview_holder + .remove() + .css({ + 'min-width': '', + 'min-height': '' + }); + + if (this.options.resize.stop) { + this.options.resize.stop.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestop'); + }, this), 300); + + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed when a widget is being resized. + * + * @method on_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_resize = function(event, ui) { + var rel_x = (ui.pointer.diff_left); + var rel_y = (ui.pointer.diff_top); + var wbd_x = this.options.widget_base_dimensions[0]; + var wbd_y = this.options.widget_base_dimensions[1]; + var margin_x = this.options.widget_margins[0]; + var margin_y = this.options.widget_margins[1]; + var max_size_x = this.resize_max_size_x; + var min_size_x = this.resize_min_size_x; + var max_size_y = this.resize_max_size_y; + var min_size_y = this.resize_min_size_y; + var autogrow = this.options.autogrow_cols; + var width; + var max_width = Infinity; + var max_height = Infinity; + + var inc_units_x = Math.ceil((rel_x / (wbd_x + margin_x * 2)) - 0.2); + var inc_units_y = Math.ceil((rel_y / (wbd_y + margin_y * 2)) - 0.2); + + var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x); + var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y); + + var max_cols = (this.container_width / this.min_widget_width) - + this.resize_initial_col + 1; + var limit_width = ((max_cols * this.min_widget_width) - margin_x * 2); + + size_x = Math.max(Math.min(size_x, max_size_x), min_size_x); + size_x = Math.min(max_cols, size_x); + width = (max_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + max_width = Math.min(width, limit_width); + min_width = (min_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + + size_y = Math.max(Math.min(size_y, max_size_y), min_size_y); + max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + + if (this.resize_dir.right) { + size_y = this.resize_initial_sizey; + } else if (this.resize_dir.bottom) { + size_x = this.resize_initial_sizex; + } + + if (autogrow) { + var last_widget_col = this.resize_initial_col + size_x - 1; + if (autogrow && this.resize_initial_last_col <= last_widget_col) { + this.set_dom_grid_width(Math.max(last_widget_col + 1, this.cols)); + + if (this.cols < last_widget_col) { + this.add_faux_cols(last_widget_col - this.cols); + } + } + } + + var css_props = {}; + !this.resize_dir.bottom && (css_props.width = Math.max(Math.min( + this.resize_initial_width + rel_x, max_width), min_width)); + !this.resize_dir.right && (css_props.height = Math.max(Math.min( + this.resize_initial_height + rel_y, max_height), min_height)); + + this.$resized_widget.css(css_props); + + if (size_x !== this.resize_last_sizex || + size_y !== this.resize_last_sizey) { + + this.resize_widget(this.$resized_widget, size_x, size_y); + this.set_dom_grid_width(this.cols); + + this.$resize_preview_holder.css({ + 'width': '', + 'height': '' + }).attr({ + 'data-row': this.$resized_widget.attr('data-row'), + 'data-sizex': size_x, + 'data-sizey': size_y + }); + } + + if (this.options.resize.resize) { + this.options.resize.resize.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resize'); + + this.resize_last_sizex = size_x; + this.resize_last_sizey = size_y; + }; + + + /** + * Executes the callbacks passed as arguments when a column begins to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new column + * begins to be overlapped. The column is passed as first argument. + * @param {Function} stop_callback Function executed when a column stops + * being overlapped. The column is passed as first argument. + * @method on_overlapped_column_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_column_change = function(start_callback, stop_callback) { + if (!this.colliders_data.length) { + return this; + } + var cols = this.get_targeted_columns( + this.colliders_data[0].el.data.col); + + var last_n_cols = this.last_cols.length; + var n_cols = cols.length; + var i; + + for (i = 0; i < n_cols; i++) { + if ($.inArray(cols[i], this.last_cols) === -1) { + (start_callback || $.noop).call(this, cols[i]); + } + } + + for (i = 0; i< last_n_cols; i++) { + if ($.inArray(this.last_cols[i], cols) === -1) { + (stop_callback || $.noop).call(this, this.last_cols[i]); + } + } + + this.last_cols = cols; + + return this; + }; + + + /** + * Executes the callbacks passed as arguments when a row starts to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new row begins + * to be overlapped. The row is passed as first argument. + * @param {Function} end_callback Function executed when a row stops being + * overlapped. The row is passed as first argument. + * @method on_overlapped_row_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_row_change = function(start_callback, end_callback) { + if (!this.colliders_data.length) { + return this; + } + var rows = this.get_targeted_rows(this.colliders_data[0].el.data.row); + var last_n_rows = this.last_rows.length; + var n_rows = rows.length; + var i; + + for (i = 0; i < n_rows; i++) { + if ($.inArray(rows[i], this.last_rows) === -1) { + (start_callback || $.noop).call(this, rows[i]); + } + } + + for (i = 0; i < last_n_rows; i++) { + if ($.inArray(this.last_rows[i], rows) === -1) { + (end_callback || $.noop).call(this, this.last_rows[i]); + } + } + + this.last_rows = rows; + }; + + + /** + * Sets the current position of the player + * + * @param {Number} col + * @param {Number} row + * @param {Boolean} no_player + * @method set_player + * @return {object} + */ + fn.set_player = function(col, row, no_player) { + var self = this; + if (!no_player) { + this.empty_cells_player_occupies(); + } + var cell = !no_player ? self.colliders_data[0].el.data : {col: col}; + var to_col = cell.col; + var to_row = row || cell.row; + + this.player_grid_data = { + col: to_col, + row: to_row, + size_y : this.player_grid_data.size_y, + size_x : this.player_grid_data.size_x + }; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + + var $overlapped_widgets = this.get_widgets_overlapped( + this.player_grid_data); + + var constraints = this.widgets_constraints($overlapped_widgets); + + this.manage_movements(constraints.can_go_up, to_col, to_row); + this.manage_movements(constraints.can_not_go_up, to_col, to_row); + + /* if there is not widgets overlapping in the new player position, + * update the new placeholder position. */ + if (!$overlapped_widgets.length) { + var pp = this.can_go_player_up(this.player_grid_data); + if (pp !== false) { + to_row = pp; + } + this.set_placeholder(to_col, to_row); + } + + return { + col: to_col, + row: to_row + }; + }; + + + /** + * See which of the widgets in the $widgets param collection can go to + * a upper row and which not. + * + * @method widgets_contraints + * @param {jQuery} $widgets A jQuery wrapped collection of + * HTMLElements. + * @return {object} Returns a literal Object with two keys: `can_go_up` & + * `can_not_go_up`. Each contains a set of HTMLElements. + */ + fn.widgets_constraints = function($widgets) { + var $widgets_can_go_up = $([]); + var $widgets_can_not_go_up; + var wgd_can_go_up = []; + var wgd_can_not_go_up = []; + + $widgets.each($.proxy(function(i, w) { + var $w = $(w); + var wgd = $w.coords().grid; + if (this.can_go_widget_up(wgd)) { + $widgets_can_go_up = $widgets_can_go_up.add($w); + wgd_can_go_up.push(wgd); + } else { + wgd_can_not_go_up.push(wgd); + } + }, this)); + + $widgets_can_not_go_up = $widgets.not($widgets_can_go_up); + + return { + can_go_up: Gridster.sort_by_row_asc(wgd_can_go_up), + can_not_go_up: Gridster.sort_by_row_desc(wgd_can_not_go_up) + }; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method manage_movements + * @param {jQuery} $widgets A jQuery collection of HTMLElements + * representing the widgets you want to move. + * @param {Number} to_col The column to which we want to move the widgets. + * @param {Number} to_row The row to which we want to move the widgets. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.manage_movements = function($widgets, to_col, to_row) { + $.each($widgets, $.proxy(function(i, w) { + var wgd = w; + var $w = wgd.el; + + var can_go_widget_up = this.can_go_widget_up(wgd); + + if (can_go_widget_up) { + //target CAN go up + //so move widget up + this.move_widget_to($w, can_go_widget_up); + this.set_placeholder(to_col, can_go_widget_up + wgd.size_y); + + } else { + //target can't go up + var can_go_player_up = this.can_go_player_up( + this.player_grid_data); + + if (!can_go_player_up) { + // target can't go up + // player cant't go up + // so we need to move widget down to a position that dont + // overlaps player + var y = (to_row + this.player_grid_data.size_y) - wgd.row; + + this.move_widget_down($w, y); + this.set_placeholder(to_col, to_row); + } + } + }, this)); + + return this; + }; + + /** + * Determines if there is a widget in the row and col given. Or if the + * HTMLElement passed as first argument is the player. + * + * @method is_player + * @param {Number|HTMLElement} col_or_el A jQuery wrapped collection of + * HTMLElements. + * @param {Number} [row] The column to which we want to move the widgets. + * @return {Boolean} Returns true or false. + */ + fn.is_player = function(col_or_el, row) { + if (row && !this.gridmap[col_or_el]) { return false; } + var $w = row ? this.gridmap[col_or_el][row] : col_or_el; + return $w && ($w.is(this.$player) || $w.is(this.$helper)); + }; + + + /** + * Determines if the widget that is being dragged is currently over the row + * and col given. + * + * @method is_player_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_player_in = function(col, row) { + var c = this.cells_occupied_by_player || {}; + return $.inArray(col, c.cols) >= 0 && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the row and col given. + * + * @method is_placeholder_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in = function(col, row) { + var c = this.cells_occupied_by_placeholder || {}; + return this.is_placeholder_in_col(col) && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the column given. + * + * @method is_placeholder_in_col + * @param {Number} col The column to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in_col = function(col) { + var c = this.cells_occupied_by_placeholder || []; + return $.inArray(col, c.cols) >= 0; + }; + + + /** + * Determines if the cell represented by col and row params is empty. + * + * @method is_empty + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_empty = function(col, row) { + if (typeof this.gridmap[col] !== 'undefined') { + if(typeof this.gridmap[col][row] !== 'undefined' && + this.gridmap[col][row] === false + ) { + return true; + } + return false; + } + return true; + }; + + + /** + * Determines if the cell represented by col and row params is occupied. + * + * @method is_occupied + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_occupied = function(col, row) { + if (!this.gridmap[col]) { + return false; + } + + if (this.gridmap[col][row]) { + return true; + } + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row params. + * + * @method is_widget + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean|HTMLElement} Returns false if there is no widget, + * else returns the jQuery HTMLElement + */ + fn.is_widget = function(col, row) { + var cell = this.gridmap[col]; + if (!cell) { + return false; + } + + cell = cell[row]; + + if (cell) { + return cell; + } + + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row + * params and if this is under the widget that is being dragged. + * + * @method is_widget_under_player + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_widget_under_player = function(col, row) { + if (this.is_widget(col, row)) { + return this.is_player_in(col, row); + } + return false; + }; + + + /** + * Get widgets overlapping with the player or with the object passed + * representing the grid cells. + * + * @method get_widgets_under_player + * @return {HTMLElement} Returns a jQuery collection of HTMLElements + */ + fn.get_widgets_under_player = function(cells) { + cells || (cells = this.cells_occupied_by_player || {cols: [], rows: []}); + var $widgets = $([]); + + $.each(cells.cols, $.proxy(function(i, col) { + $.each(cells.rows, $.proxy(function(i, row) { + if(this.is_widget(col, row)) { + $widgets = $widgets.add(this.gridmap[col][row]); + } + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * Put placeholder at the row and column specified. + * + * @method set_placeholder + * @param {Number} col The column to which we want to move the + * placeholder. + * @param {Number} row The row to which we want to move the + * placeholder. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_placeholder = function(col, row) { + var phgd = $.extend({}, this.placeholder_grid_data); + var $nexts = this.widgets_below({ + col: phgd.col, + row: phgd.row, + size_y: phgd.size_y, + size_x: phgd.size_x + }); + + // Prevents widgets go out of the grid + var right_col = (col + phgd.size_x - 1); + if (right_col > this.cols) { + col = col - (right_col - col); + } + + var moved_down = this.placeholder_grid_data.row < row; + var changed_column = this.placeholder_grid_data.col !== col; + + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.$preview_holder.attr({ + 'data-row' : row, + 'data-col' : col + }); + + if (moved_down || changed_column) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( + $(widget), this.placeholder_grid_data.col - col + phgd.size_y); + }, this)); + } + + var $widgets_under_ph = this.get_widgets_under_player( + this.cells_occupied_by_placeholder); + + if ($widgets_under_ph.length) { + $widgets_under_ph.each($.proxy(function(i, widget) { + var $w = $(widget); + this.move_widget_down( + $w, row + phgd.size_y - $w.data('coords').grid.row); + }, this)); + } + + }; + + + /** + * Determines whether the player can move to a position above. + * + * @method can_go_player_up + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @return {Number|Boolean} If the player can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_player_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + var $widgets_under_player = this.get_widgets_under_player(); + + /* generate an array with columns as index and array with upper rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + var r = p_bottom_row + 1; + upper_rows[tcol] = []; + + while (--r > 0) { + if (this.is_empty(tcol, r) || this.is_player(tcol, r) || + this.is_widget(tcol, r) && + grid_col[r].is($widgets_under_player) + ) { + upper_rows[tcol].push(r); + min_row = r < min_row ? r : min_row; + } else { + break; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Determines whether a widget can move to a position above. + * + * @method can_go_widget_up + * @param {Object} widget_grid_data The actual grid coords object of the + * widget we want to check. + * @return {Number|Boolean} If the widget can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_widget_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + + /* generate an array with columns as index and array with topmost rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + upper_rows[tcol] = []; + + var r = p_bottom_row + 1; + // iterate over each row + while (--r > 0) { + if (this.is_widget(tcol, r) && !this.is_player_in(tcol, r)) { + if (!grid_col[r].is(widget_grid_data.el)) { + break; + } + } + + if (!this.is_player(tcol, r) && + !this.is_placeholder_in(tcol, r) && + !this.is_player_in(tcol, r)) { + upper_rows[tcol].push(r); + } + + if (r < min_row) { + min_row = r; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Search a valid row for the widget represented by `widget_grid_data' in + * the `upper_rows` array. Iteration starts from row specified in `min_row`. + * + * @method get_valid_rows + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @param {Array} upper_rows An array with columns as index and arrays + * of valid rows as values. + * @param {Number} min_row The upper row from which the iteration will start. + * @return {Number|Boolean} Returns the upper row valid from the `upper_rows` + * for the widget in question. + */ + fn.get_valid_rows = function(widget_grid_data, upper_rows, min_row) { + var p_top_row = widget_grid_data.row; + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var size_y = widget_grid_data.size_y; + var r = min_row - 1; + var valid_rows = []; + + while (++r <= p_bottom_row ) { + var common = true; + $.each(upper_rows, function(col, rows) { + if ($.isArray(rows) && $.inArray(r, rows) === -1) { + common = false; + } + }); + + if (common === true) { + valid_rows.push(r); + if (valid_rows.length === size_y) { + break; + } + } + } + + var new_row = false; + if (size_y === 1) { + if (valid_rows[0] !== p_top_row) { + new_row = valid_rows[0] || false; + } + } else { + if (valid_rows[0] !== p_top_row) { + new_row = this.get_consecutive_numbers_index( + valid_rows, size_y); + } + } + + return new_row; + }; + + + fn.get_consecutive_numbers_index = function(arr, size_y) { + var max = arr.length; + var result = []; + var first = true; + var prev = -1; // or null? + + for (var i=0; i < max; i++) { + if (first || arr[i] === prev + 1) { + result.push(i); + if (result.length === size_y) { + break; + } + first = false; + } else { + result = []; + first = true; + } + + prev = arr[i]; + } + + return result.length >= size_y ? arr[result[0]] : false; + }; + + + /** + * Get widgets overlapping with the player. + * + * @method get_widgets_overlapped + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.get_widgets_overlapped = function() { + var $w; + var $widgets = $([]); + var used = []; + var rows_from_bottom = this.cells_occupied_by_player.rows.slice(0); + rows_from_bottom.reverse(); + + $.each(this.cells_occupied_by_player.cols, $.proxy(function(i, col) { + $.each(rows_from_bottom, $.proxy(function(i, row) { + // if there is a widget in the player position + if (!this.gridmap[col]) { return true; } //next iteration + var $w = this.gridmap[col][row]; + if (this.is_occupied(col, row) && !this.is_player($w) && + $.inArray($w, used) === -1 + ) { + $widgets = $widgets.add($w); + used.push($w); + } + + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * This callback is executed when the player begins to collide with a column. + * + * @method on_start_overlapping_column + * @param {Number} col The collided column. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_column = function(col) { + this.set_player(col, false); + }; + + + /** + * A callback executed when the player begins to collide with a row. + * + * @method on_start_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_row = function(row) { + this.set_player(false, row); + }; + + + /** + * A callback executed when the the player ends to collide with a column. + * + * @method on_stop_overlapping_column + * @param {Number} col The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_column = function(col) { + this.set_player(col, false); + + var self = this; + this.for_each_widget_below(col, this.cells_occupied_by_player.rows[0], + function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + }; + + + /** + * This callback is executed when the player ends to collide with a row. + * + * @method on_stop_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_row = function(row) { + this.set_player(false, row); + + var self = this; + var cols = this.cells_occupied_by_player.cols; + for (var c = 0, cl = cols.length; c < cl; c++) { + this.for_each_widget_below(cols[c], row, function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + } + }; + + + /** + * Move a widget to a specific row. The cell or cells must be empty. + * If the widget has widgets below, all of these widgets will be moved also + * if they can. + * + * @method move_widget_to + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement of the + * widget is going to be moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_to = function($widget, row) { + var self = this; + var widget_grid_data = $widget.coords().grid; + var diff = row - widget_grid_data.row; + var $next_widgets = this.widgets_below($widget); + + var can_move_to_new_cell = this.can_move_to( + widget_grid_data, widget_grid_data.col, row, $widget); + + if (can_move_to_new_cell === false) { + return false; + } + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', row); + this.$changed = this.$changed.add($widget); + + + $next_widgets.each(function(i, widget) { + var $w = $(widget); + var wgd = $w.coords().grid; + var can_go_up = self.can_go_widget_up(wgd); + if (can_go_up && can_go_up !== wgd.row) { + self.move_widget_to($w, can_go_up); + } + }); + + return this; + }; + + + /** + * Move up the specified widget and all below it. + * + * @method move_widget_up + * @param {HTMLElement} $widget The widget you want to move. + * @param {Number} [y_units] The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_up = function($widget, y_units) { + var el_grid_data = $widget.coords().grid; + var actual_row = el_grid_data.row; + var moved = []; + var can_go_up = true; + y_units || (y_units = 1); + + if (!this.can_go_up($widget)) { return false; } //break; + + this.for_each_column_occupied(el_grid_data, function(col) { + // can_go_up + if ($.inArray($widget, moved) === -1) { + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row - y_units; + next_row = this.can_go_up_to_row( + widget_grid_data, col, next_row); + + if (!next_row) { + return true; + } + + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = next_row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + + $next_widgets.each($.proxy(function(i, widget) { + this.move_widget_up($(widget), y_units); + }, this)); + } + }); + + }; + + + /** + * Move down the specified widget and all below it. + * + * @method move_widget_down + * @param {jQuery} $widget The jQuery object representing the widget + * you want to move. + * @param {Number} y_units The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_down = function($widget, y_units) { + var el_grid_data, actual_row, moved, y_diff; + + if (y_units <= 0) { return false; } + + el_grid_data = $widget.coords().grid; + actual_row = el_grid_data.row; + moved = []; + y_diff = y_units; + + if (!$widget) { return false; } + + if ($.inArray($widget, moved) === -1) { + + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row + y_units; + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + + $next_widgets.each($.proxy(function(i, widget) { + var $w = $(widget); + var wd = $w.coords().grid; + var tmp_y = this.displacement_diff( + wd, widget_grid_data, y_diff); + + if (tmp_y > 0) { + this.move_widget_down($w, tmp_y); + } + }, this)); + + widget_grid_data.row = next_row; + this.update_widget_position(widget_grid_data, $widget); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + } + }; + + + /** + * Check if the widget can move to the specified row, else returns the + * upper row possible. + * + * @method can_go_up_to_row + * @param {Number} widget_grid_data The current grid coords object of the + * widget. + * @param {Number} col The target column. + * @param {Number} row The target row. + * @return {Boolean|Number} Returns the row number if the widget can move + * to the target position, else returns false. + */ + fn.can_go_up_to_row = function(widget_grid_data, col, row) { + var ga = this.gridmap; + var result = true; + var urc = []; // upper_rows_in_columns + var actual_row = widget_grid_data.row; + var r; + + /* generate an array with columns as index and array with + * upper rows empty in the column */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = ga[tcol]; + urc[tcol] = []; + + r = actual_row; + while (r--) { + if (this.is_empty(tcol, r) && + !this.is_placeholder_in(tcol, r) + ) { + urc[tcol].push(r); + } else { + break; + } + } + + if (!urc[tcol].length) { + result = false; + return true; + } + + }); + + if (!result) { return false; } + + /* get common rows starting from upper position in all the columns + * that widget occupies */ + r = row; + for (r = 1; r < actual_row; r++) { + var common = true; + + for (var uc = 0, ucl = urc.length; uc < ucl; uc++) { + if (urc[uc] && $.inArray(r, urc[uc]) === -1) { + common = false; + } + } + + if (common === true) { + result = r; + break; + } + } + + return result; + }; + + + fn.displacement_diff = function(widget_grid_data, parent_bgd, y_units) { + var actual_row = widget_grid_data.row; + var diffs = []; + var parent_max_y = parent_bgd.row + parent_bgd.size_y; + + this.for_each_column_occupied(widget_grid_data, function(col) { + var temp_y_units = 0; + + for (var r = parent_max_y; r < actual_row; r++) { + if (this.is_empty(col, r)) { + temp_y_units = temp_y_units + 1; + } + } + + diffs.push(temp_y_units); + }); + + var max_diff = Math.max.apply(Math, diffs); + y_units = (y_units - max_diff); + + return y_units > 0 ? y_units : 0; + }; + + + /** + * Get widgets below a widget. + * + * @method widgets_below + * @param {HTMLElement} $el The jQuery wrapped HTMLElement. + * @return {jQuery} A jQuery collection of HTMLElements. + */ + fn.widgets_below = function($el) { + var el_grid_data = $.isPlainObject($el) ? $el : $el.coords().grid; + var self = this; + var ga = this.gridmap; + var next_row = el_grid_data.row + el_grid_data.size_y - 1; + var $nexts = $([]); + + this.for_each_column_occupied(el_grid_data, function(col) { + self.for_each_widget_below(col, next_row, function(tcol, trow) { + if (!self.is_player(this) && $.inArray(this, $nexts) === -1) { + $nexts = $nexts.add(this); + return true; // break + } + }); + }); + + return Gridster.sort_by_row_asc($nexts); + }; + + + /** + * Update the array of mapped positions with the new player position. + * + * @method set_cells_player_occupies + * @param {Number} col The new player col. + * @param {Number} col The new player row. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_cells_player_occupies = function(col, row) { + this.remove_from_gridmap(this.placeholder_grid_data); + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + this.add_to_gridmap(this.placeholder_grid_data, this.$player); + return this; + }; + + + /** + * Remove from the array of mapped positions the reference to the player. + * + * @method empty_cells_player_occupies + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells_player_occupies = function() { + this.remove_from_gridmap(this.placeholder_grid_data); + return this; + }; + + + fn.can_go_up = function($el) { + var el_grid_data = $el.coords().grid; + var initial_row = el_grid_data.row; + var prev_row = initial_row - 1; + var ga = this.gridmap; + var upper_rows_by_column = []; + + var result = true; + if (initial_row === 1) { return false; } + + this.for_each_column_occupied(el_grid_data, function(col) { + var $w = this.is_widget(col, prev_row); + + if (this.is_occupied(col, prev_row) || + this.is_player(col, prev_row) || + this.is_placeholder_in(col, prev_row) || + this.is_player_in(col, prev_row) + ) { + result = false; + return true; //break + } + }); + + return result; + }; + + + /** + * Check if it's possible to move a widget to a specific col/row. It takes + * into account the dimensions (`size_y` and `size_x` attrs. of the grid + * coords object) the widget occupies. + * + * @method can_move_to + * @param {Object} widget_grid_data The grid coords object that represents + * the widget. + * @param {Object} col The col to check. + * @param {Object} row The row to check. + * @param {Number} [max_row] The max row allowed. + * @return {Boolean} Returns true if all cells are empty, else return false. + */ + fn.can_move_to = function(widget_grid_data, col, row, max_row) { + var ga = this.gridmap; + var $w = widget_grid_data.el; + var future_wd = { + size_y: widget_grid_data.size_y, + size_x: widget_grid_data.size_x, + col: col, + row: row + }; + var result = true; + + //Prevents widgets go out of the grid + var right_col = col + widget_grid_data.size_x - 1; + if (right_col > this.cols) { + return false; + } + + if (max_row && max_row < row + widget_grid_data.size_y - 1) { + return false; + } + + this.for_each_cell_occupied(future_wd, function(tcol, trow) { + var $tw = this.is_widget(tcol, trow); + if ($tw && (!widget_grid_data.el || $tw.is($w))) { + result = false; + } + }); + + return result; + }; + + + /** + * Given the leftmost column returns all columns that are overlapping + * with the player. + * + * @method get_targeted_columns + * @param {Number} [from_col] The leftmost column. + * @return {Array} Returns an array with column numbers. + */ + fn.get_targeted_columns = function(from_col) { + var max = (from_col || this.player_grid_data.col) + + (this.player_grid_data.size_x - 1); + var cols = []; + for (var col = from_col; col <= max; col++) { + cols.push(col); + } + return cols; + }; + + + /** + * Given the upper row returns all rows that are overlapping with the player. + * + * @method get_targeted_rows + * @param {Number} [from_row] The upper row. + * @return {Array} Returns an array with row numbers. + */ + fn.get_targeted_rows = function(from_row) { + var max = (from_row || this.player_grid_data.row) + + (this.player_grid_data.size_y - 1); + var rows = []; + for (var row = from_row; row <= max; row++) { + rows.push(row); + } + return rows; + }; + + /** + * Get all columns and rows that a widget occupies. + * + * @method get_cells_occupied + * @param {Object} el_grid_data The grid coords object of the widget. + * @return {Object} Returns an object like `{ cols: [], rows: []}`. + */ + fn.get_cells_occupied = function(el_grid_data) { + var cells = { cols: [], rows: []}; + var i; + if (arguments[1] instanceof $) { + el_grid_data = arguments[1].coords().grid; + } + + for (i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + cells.cols.push(col); + } + + for (i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + cells.rows.push(row); + } + + return cells; + }; + + + /** + * Iterate over the cells occupied by a widget executing a function for + * each one. + * + * @method for_each_cell_occupied + * @param {Object} el_grid_data The grid coords object that represents the + * widget. + * @param {Function} callback The function to execute on each column + * iteration. Column and row are passed as arguments. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_cell_occupied = function(grid_data, callback) { + this.for_each_column_occupied(grid_data, function(col) { + this.for_each_row_occupied(grid_data, function(row) { + callback.call(this, col, row); + }); + }); + return this; + }; + + + /** + * Iterate over the columns occupied by a widget executing a function for + * each one. + * + * @method for_each_column_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The column number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_column_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + callback.call(this, col, el_grid_data); + } + }; + + + /** + * Iterate over the rows occupied by a widget executing a function for + * each one. + * + * @method for_each_row_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The row number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_row_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + callback.call(this, row, el_grid_data); + } + }; + + + + fn._traversing_widgets = function(type, direction, col, row, callback) { + var ga = this.gridmap; + if (!ga[col]) { return; } + + var cr, max; + var action = type + '/' + direction; + if (arguments[2] instanceof $) { + var el_grid_data = arguments[2].coords().grid; + col = el_grid_data.col; + row = el_grid_data.row; + callback = arguments[3]; + } + var matched = []; + var trow = row; + + + var methods = { + 'for_each/above': function() { + while (trow--) { + if (trow > 0 && this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + }, + 'for_each/below': function() { + for (trow = row + 1, max = ga[col].length; trow < max; trow++) { + if (this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + } + }; + + if (methods[action]) { + methods[action].call(this); + } + }; + + + /** + * Iterate over each widget above the column and row specified. + * + * @method for_each_widget_above + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery + * wrapped HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_above = function(col, row, callback) { + this._traversing_widgets('for_each', 'above', col, row, callback); + return this; + }; + + + /** + * Iterate over each widget below the column and row specified. + * + * @method for_each_widget_below + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery wrapped + * HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_below = function(col, row, callback) { + this._traversing_widgets('for_each', 'below', col, row, callback); + return this; + }; + + + /** + * Returns the highest occupied cell in the grid. + * + * @method get_highest_occupied_cell + * @return {Object} Returns an object with `col` and `row` numbers. + */ + fn.get_highest_occupied_cell = function() { + var r; + var gm = this.gridmap; + var rl = gm[1].length; + var rows = [], cols = []; + var row_in_col = []; + for (var c = gm.length - 1; c >= 1; c--) { + for (r = rl - 1; r >= 1; r--) { + if (this.is_widget(c, r)) { + rows.push(r); + cols.push(c); + break; + } + } + } + + return { + col: Math.max.apply(Math, cols), + row: Math.max.apply(Math, rows) + }; + }; + + + fn.get_widgets_from = function(col, row) { + var ga = this.gridmap; + var $widgets = $(); + + if (col) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var tcol = $(this).attr('data-col'); + return (tcol === col || tcol > col); + }) + ); + } + + if (row) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var trow = $(this).attr('data-row'); + return (trow === row || trow > row); + }) + ); + } + + return $widgets; + }; + + + /** + * Set the current height of the parent grid. + * + * @method set_dom_grid_height + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_height = function(height) { + if (typeof height === 'undefined') { + var r = this.get_highest_occupied_cell().row; + height = r * this.min_widget_height; + } + + this.container_height = height; + this.$el.css('height', this.container_height); + return this; + }; + + /** + * Set the current width of the parent grid. + * + * @method set_dom_grid_width + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_width = function(cols) { + if (typeof cols === 'undefined') { + cols = this.get_highest_occupied_cell().col; + } + + var max_cols = (this.options.autogrow_cols ? this.options.max_cols : + this.cols); + + cols = Math.min(max_cols, Math.max(cols, this.options.min_cols)); + this.container_width = cols * this.min_widget_width; + this.$el.css('width', this.container_width); + return this; + }; + + + /** + * It generates the neccessary styles to position the widgets. + * + * @method generate_stylesheet + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_stylesheet = function(opts) { + var styles = ''; + var max_size_x = this.options.max_size_x || this.cols; + var max_rows = 0; + var max_cols = 0; + var i; + var rules; + + opts || (opts = {}); + opts.cols || (opts.cols = this.cols); + opts.rows || (opts.rows = this.rows); + opts.namespace || (opts.namespace = this.options.namespace); + opts.widget_base_dimensions || + (opts.widget_base_dimensions = this.options.widget_base_dimensions); + opts.widget_margins || + (opts.widget_margins = this.options.widget_margins); + opts.min_widget_width = (opts.widget_margins[0] * 2) + + opts.widget_base_dimensions[0]; + opts.min_widget_height = (opts.widget_margins[1] * 2) + + opts.widget_base_dimensions[1]; + + // don't duplicate stylesheets for the same configuration + var serialized_opts = $.param(opts); + if ($.inArray(serialized_opts, Gridster.generated_stylesheets) >= 0) { + return false; + } + + this.generated_stylesheets.push(serialized_opts); + Gridster.generated_stylesheets.push(serialized_opts); + + /* generate CSS styles for cols */ + for (i = opts.cols; i >= 0; i--) { + styles += (opts.namespace + ' [data-col="'+ (i + 1) + '"] { left:' + + ((i * opts.widget_base_dimensions[0]) + + (i * opts.widget_margins[0]) + + ((i + 1) * opts.widget_margins[0])) + 'px; }\n'); + } + + /* generate CSS styles for rows */ + for (i = opts.rows; i >= 0; i--) { + styles += (opts.namespace + ' [data-row="' + (i + 1) + '"] { top:' + + ((i * opts.widget_base_dimensions[1]) + + (i * opts.widget_margins[1]) + + ((i + 1) * opts.widget_margins[1]) ) + 'px; }\n'); + } + + for (var y = 1; y <= opts.rows; y++) { + styles += (opts.namespace + ' [data-sizey="' + y + '"] { height:' + + (y * opts.widget_base_dimensions[1] + + (y - 1) * (opts.widget_margins[1] * 2)) + 'px; }\n'); + } + + for (var x = 1; x <= max_size_x; x++) { + styles += (opts.namespace + ' [data-sizex="' + x + '"] { width:' + + (x * opts.widget_base_dimensions[0] + + (x - 1) * (opts.widget_margins[0] * 2)) + 'px; }\n'); + } + + this.remove_style_tags(); + + return this.add_style_tag(styles); + }; + + + /** + * Injects the given CSS as string to the head of the document. + * + * @method add_style_tag + * @param {String} css The styles to apply. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_style_tag = function(css) { + var d = document; + var tag = d.createElement('style'); + + d.getElementsByTagName('head')[0].appendChild(tag); + tag.setAttribute('type', 'text/css'); + + if (tag.styleSheet) { + tag.styleSheet.cssText = css; + } else { + tag.appendChild(document.createTextNode(css)); + } + + this.$style_tags = this.$style_tags.add(tag); + + return this; + }; + + + /** + * Remove the style tag with the associated id from the head of the document + * + * @method remove_style_tag + * @return {Object} Returns the instance of the Gridster class. + */ + fn.remove_style_tags = function() { + var all_styles = Gridster.generated_stylesheets; + var ins_styles = this.generated_stylesheets; + + this.$style_tags.remove(); + + Gridster.generated_stylesheets = $.map(all_styles, function(s) { + if ($.inArray(s, ins_styles) === -1) { return s; } + }); + }; + + + /** + * Generates a faux grid to collide with it when a widget is dragged and + * detect row or column that we want to go. + * + * @method generate_faux_grid + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_faux_grid = function(rows, cols) { + this.faux_grid = []; + this.gridmap = []; + var col; + var row; + for (col = cols; col > 0; col--) { + this.gridmap[col] = []; + for (row = rows; row > 0; row--) { + this.add_faux_cell(row, col); + } + } + return this; + }; + + + /** + * Add cell to the faux grid. + * + * @method add_faux_cell + * @param {Number} row The row for the new faux cell. + * @param {Number} col The col for the new faux cell. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cell = function(row, col) { + var coords = $({ + left: this.baseX + ((col - 1) * this.min_widget_width), + top: this.baseY + (row -1) * this.min_widget_height, + width: this.min_widget_width, + height: this.min_widget_height, + col: col, + row: row, + original_col: col, + original_row: row + }).coords(); + + if (!$.isArray(this.gridmap[col])) { + this.gridmap[col] = []; + } + + this.gridmap[col][row] = false; + this.faux_grid.push(coords); + + return this; + }; + + + /** + * Add rows to the faux grid. + * + * @method add_faux_rows + * @param {Number} rows The number of rows you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_rows = function(rows) { + var actual_rows = this.rows; + var max_rows = actual_rows + (rows || 1); + + for (var r = max_rows; r > actual_rows; r--) { + for (var c = this.cols; c >= 1; c--) { + this.add_faux_cell(r, c); + } + } + + this.rows = max_rows; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + /** + * Add cols to the faux grid. + * + * @method add_faux_cols + * @param {Number} cols The number of cols you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cols = function(cols) { + var actual_cols = this.cols; + var max_cols = actual_cols + (cols || 1); + max_cols = Math.min(max_cols, this.options.max_cols); + + for (var c = actual_cols + 1; c <= max_cols; c++) { + for (var r = this.rows; r >= 1; r--) { + this.add_faux_cell(r, c); + } + } + + this.cols = max_cols; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + + /** + * Recalculates the offsets for the faux grid. You need to use it when + * the browser is resized. + * + * @method recalculate_faux_grid + * @return {Object} Returns the instance of the Gridster class. + */ + fn.recalculate_faux_grid = function() { + var aw = this.$wrapper.width(); + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + $.each(this.faux_grid, $.proxy(function(i, coords) { + this.faux_grid[i] = coords.update({ + left: this.baseX + (coords.data.col -1) * this.min_widget_width, + top: this.baseY + (coords.data.row -1) * this.min_widget_height + }); + }, this)); + + return this; + }; + + + /** + * Get all widgets in the DOM and register them. + * + * @method get_widgets_from_DOM + * @return {Object} Returns the instance of the Gridster class. + */ + fn.get_widgets_from_DOM = function() { + var widgets_coords = this.$widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.dom_to_coords($w); + }, this)); + + widgets_coords = Gridster.sort_by_row_and_col_asc(widgets_coords); + + var changes = $(widgets_coords).map($.proxy(function(i, wgd) { + return this.register_widget(wgd) || null; + }, this)); + + if (changes.length) { + this.$el.trigger('gridster:positionschanged'); + } + + return this; + }; + + + /** + * Calculate columns and rows to be set based on the configuration + * parameters, grid dimensions, etc ... + * + * @method generate_grid_and_stylesheet + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_grid_and_stylesheet = function() { + var aw = this.$wrapper.width(); + var max_cols = this.options.max_cols; + + var cols = Math.floor(aw / this.min_widget_width) + + this.options.extra_cols; + + var actual_cols = this.$widgets.map(function() { + return $(this).attr('data-col'); + }).get(); + + //needed to pass tests with phantomjs + actual_cols.length || (actual_cols = [0]); + + var min_cols = Math.max.apply(Math, actual_cols); + + this.cols = Math.max(min_cols, cols, this.options.min_cols); + + if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) { + this.cols = max_cols; + } + + // get all rows that could be occupied by the current widgets + var max_rows = this.options.extra_rows; + this.$widgets.each(function(i, w) { + max_rows += (+$(w).attr('data-sizey')); + }); + + this.rows = Math.max(max_rows, this.options.min_rows); + + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this.generate_faux_grid(this.rows, this.cols); + }; + + /** + * Destroy this gridster by removing any sign of its presence, making it easy to avoid memory leaks + * + * @method destroy + * @param {Boolean} remove If true, remove gridster from DOM. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.destroy = function(remove) { + this.$el.removeData('gridster'); + + // remove bound callback on window resize + $(window).unbind('.gridster'); + + if (this.drag_api) { + this.drag_api.destroy(); + } + + this.remove_style_tags(); + + remove && this.$el.remove(); + + return this; + }; + + + //jQuery adapter + $.fn.gridster = function(options) { + return this.each(function() { + if (! $(this).data('gridster')) { + $(this).data('gridster', new Gridster( this, options )); + } + }); + }; + + return Gridster; + +})); + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define(['jquery', 'gridster'], factory); + } else { + root.Gridster = factory(root.$ || root.jQuery, root.Gridster); + } + +}(this, function($, Gridster) { + + var fn = Gridster.prototype; + + fn.widgets_in_col = function(col) { + if (!this.gridmap[col]) { + return false; + } + + for (var i = this.gridmap[col].length - 1; i >= 0; i--) { + if (this.is_widget(col, i) !== false) { + return true; + } + } + + return false; + }; + + fn.widgets_in_row = function(row) { + for (var i = this.gridmap.length; i >= 1; i--) { + if (this.is_widget(i, row) !== false) { + return true; + } + } + + return false; + }; + + + fn.widgets_in_range = function(col1, row1, col2, row2) { + var valid_cols = []; + var valid_rows = []; + var $widgets = $([]); + var c, r, $w, wgd; + + for (c = col2; c >= col1; c--) { + for (r = row2; r >= row1; r--) { + $w = this.is_widget(c, r); + + if ($w !== false) { + wgd = $w.data('coords').grid; + if (wgd.col >= col1 && wgd.col <= col2 && + wgd.row >= row1 && wgd.row <= row2 + ) { + $widgets = $widgets.add($w); + } + } + } + } + + return $widgets; + }; + + + fn.get_bottom_most_occupied_cell = function() { + var row = 0; + var col = 0; + this.for_each_cell(function($el, c, r) { + if ($el && r > row) { + row = r; + col = c; + } + }); + + return {col: col, row: row}; + }; + + + fn.get_right_most_occupied_cell = function() { + var row = 0; + var col = 0; + this.for_each_cell(function($el, c, r) { + if ($el) { + row = r; + col = c; + return false; + } + }); + + return {col: col, row: row}; + }; + + + fn.for_each_cell = function(callback, gridmap) { + gridmap || (gridmap = this.gridmap); + var cols = gridmap.length; + var rows = gridmap[1].length; + + cols_iter: + for (var c = cols - 1; c >= 1; c--) { + for (var r = rows - 1; r >= 1; r--) { + var $el = gridmap[c] && gridmap[c][r]; + if (callback) { + if (callback.call(this, $el, c, r) === false) { + break cols_iter; + } else { continue; } + } + } + } + }; + + + fn.next_position_in_range = function(size_x, size_y, max_rows) { + size_x || (size_x = 1); + size_y || (size_y = 1); + var ga = this.gridmap; + var cols_l = ga.length; + var valid_pos = []; + var rows_l; + + for (var c = 1; c < cols_l; c++) { + rows_l = max_rows || ga[c].length; + for (var r = 1; r <= rows_l; r++) { + var can_move_to = this.can_move_to({ + size_x: size_x, + size_y: size_y + }, c, r, max_rows); + + if (can_move_to) { + valid_pos.push({ + col: c, + row: r, + size_y: size_y, + size_x: size_x + }); + } + } + } + + if (valid_pos.length >= 1) { + return Gridster.sort_by_col_asc(valid_pos)[0]; + } + + return false; + }; + + + fn.closest_to_right = function(col, row) { + if (!this.gridmap[col]) { return false; } + var cols_l = this.gridmap.length - 1; + + for (var c = col; c <= cols_l; c++) { + if (this.gridmap[c][row]) { + return { col: c, row: row }; + } + } + + return false; + }; + + + fn.closest_to_left = function(col, row) { + var cols_l = this.gridmap.length - 1; + if (!this.gridmap[col]) { return false; } + + for (var c = col; c >= 1; c--) { + if (this.gridmap[c][row]) { + return { col: c, row: row }; + } + } + + return false; + }; + + return Gridster; + +})); diff --git a/lib/gridster/dist/jquery.gridster.with-extras.min.js b/lib/gridster/dist/jquery.gridster.with-extras.min.js new file mode 100644 index 0000000000..1ebb2b251a --- /dev/null +++ b/lib/gridster/dist/jquery.gridster.with-extras.min.js @@ -0,0 +1,2 @@ +/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(t,i){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],i):t.GridsterCoords=i(t.$||t.jQuery)})(this,function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;return e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return r.left===void 0&&(r.left=r.x1),r.top===void 0&&(r.top=r.y1),this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},e.destroy=function(){this.el.removeData("coords"),delete this.el},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t},i}),function(t,i){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],i):t.GridsterCollision=i(t.$||t.jQuery,t.GridsterCoords)}(this,function(t){function i(i,s,r){this.options=t.extend(e,r),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(s),this.init()}var e={colliders_context:document.body,overlapping_region:"C"};i.defaults=e;var s=i.prototype;return s.init=function(){this.find_collisions()},s.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},s.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1i.y1&&t.y2i.cx&&t.x1i.x1&&t.x2o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var n=0,h=i.length;h>n;n++)-1===t.inArray(i[n],r)&&s.call(this,i[n])},s.find_collisions=function(i){for(var e=this,s=this.options.overlapping_region,r=[],o=[],a=this.colliders||this.$colliders,n=a.length,h=e.$element.coords().update(i||!1).get();n--;){var _=e.$colliders?t(a[n]):a[n],d=_.isCoords?_:_.coords(),l=d.get(),c=e.overlaps(h,l);if(c){var p=e.detect_overlapping_region(h,l);if(p===s||"all"===s){var g=e.calculate_overlapped_area_coords(h,l),u=e.calculate_overlapped_area(g),f={area:u,area_coords:g,region:p,coords:l,player_coords:h,el:_};e.options.on_overlap&&e.options.on_overlap.call(this,f),r.push(d),o.push(f)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(r,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=r,o},s.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1this.player_max_left?o=this.player_max_left:this.player_min_left>o&&(o=this.player_min_left)),{position:{left:o,top:a},pointer:{left:e.left,top:e.top,diff_left:s+(t(window).scrollLeft()-this.win_offset_x),diff_top:r+(t(window).scrollTop()-this.win_offset_y)}}},_.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},_.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},_.scroll_in=function(i,e){var o,n=r[i],h=50,_=30,d="x"===i,l=d?this.window_width:this.window_height,c=d?t(document).width():t(document).height(),p=d?this.$player.width():this.$player.height(),g=s["scroll"+a(n)](),u=g,f=u+l,w=f-h,m=u+h,y=u+e.pointer[n],v=c-l+p;return y>=w&&(o=g+_,v>o&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]+=_)),m>=y&&(o=g-_,o>0&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]-=_)),this},_.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},_.calculate_dimensions=function(){this.window_height=s.height(),this.window_width=s.width()},_.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||o)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),o?void 0:!1}},_.on_dragstart=function(i){if(i.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var e=this.$container.offset();return this.baseX=Math.round(e.left),this.baseY=Math.round(e.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=t(window).scrollTop(),this.win_offset_x=t(window).scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,i,this.get_drag_data(i)),!1},_.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},_.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},_.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?void 0:!1},_.enable=function(){this.disabled=!1},_.disable=function(){this.disabled=!0},_.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),t(window).off(this.ns),t.removeData(this.$container,"drag")},_.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(i):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new i(this,t)},i}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],i):t.Gridster=i(t.$||t.jQuery,t.GridsterDraggable,t.GridsterCollision)}(this,function(t,i){function e(i,e){this.options=t.extend(!0,{},s,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=t([]),this.options.auto_init&&this.init()}var s={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:i.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};e.defaults=s,e.generated_stylesheets=[],e.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},e.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},e.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},e.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_yn&&this.add_faux_rows(Math.max(e-n,0));var d=o+i-1;d>this.cols&&this.add_faux_cols(d-this.cols);var l={col:_,row:r.row,size_x:i,size_y:e};return this.mutate_widget_in_gridmap(t,r,l),this.set_dom_grid_height(),this.set_dom_grid_width(),s&&s.call(this,l.size_x,l.size_y),t},r.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&n.push(e)});var h=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&h.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},r.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var 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this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},r.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},r.serialize=function(i){return i||(i=this.$widgets),i.map(t.proxy(function(i,e){var s=t(e);return this.options.serialize_params(s,s.coords().grid)},this)).get()},r.serialize_changed=function(){return 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o&&(s.row=o,i.attr("data-row",o),this.$el.trigger("gridster:positionchanged",[s]),r=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:s.size_x,size_y:s.size_y},s.col,s.row)&&(t.extend(s,this.next_position(s.size_x,s.size_y)),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),r=!0),i.data("coords",i.coords()),i.data("coords").grid=s,this.add_to_gridmap(s,i),this.options.resize.enabled&&this.add_resize_handle(i),r},r.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,void 0):this}),this},r.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},r.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},r.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},r.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},r.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='';return this.resize_handle_tpl=t.map(i,function(t){return e.replace("{type}",t)}).join(""),t.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},r.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var s=this.player_grid_data.size_x,r=this.cols-this.highest_col;this.options.autogrow_cols&&s>=r&&this.add_faux_cols(Math.min(s-r,1));var o=this.faux_grid,a=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(o,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:a.width,height:a.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},r.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},r.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestart")},r.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_resize=function(t,i){var e,s=i.pointer.diff_left,r=i.pointer.diff_top,o=this.options.widget_base_dimensions[0],a=this.options.widget_base_dimensions[1],n=this.options.widget_margins[0],h=this.options.widget_margins[1],_=this.resize_max_size_x,d=this.resize_min_size_x,l=this.resize_max_size_y,c=this.resize_min_size_y,p=this.options.autogrow_cols,g=1/0,u=1/0,f=Math.ceil(s/(o+2*n)-.2),w=Math.ceil(r/(a+2*h)-.2),m=Math.max(1,this.resize_initial_sizex+f),y=Math.max(1,this.resize_initial_sizey+w),v=this.container_width/this.min_widget_width-this.resize_initial_col+1,z=v*this.min_widget_width-2*n;if(m=Math.max(Math.min(m,_),d),m=Math.min(v,m),e=_*o+2*(m-1)*n,g=Math.min(e,z),min_width=d*o+2*(m-1)*n,y=Math.max(Math.min(y,l),c),u=l*a+2*(y-1)*h,min_height=c*a+2*(y-1)*h,this.resize_dir.right?y=this.resize_initial_sizey:this.resize_dir.bottom&&(m=this.resize_initial_sizex),p){var x=this.resize_initial_col+m-1;p&&x>=this.resize_initial_last_col&&(this.set_dom_grid_width(Math.max(x+1,this.cols)),x>this.cols&&this.add_faux_cols(x-this.cols))}var $={};!this.resize_dir.bottom&&($.width=Math.max(Math.min(this.resize_initial_width+s,g),min_width)),!this.resize_dir.right&&($.height=Math.max(Math.min(this.resize_initial_height+r,u),min_height)),this.$resized_widget.css($),(m!==this.resize_last_sizex||y!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,m,y),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":m,"data-sizey":y})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=m,this.resize_last_sizey=y},r.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},r.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},r.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},r.widgets_constraints=function(i){var s,r=t([]),o=[],a=[];return i.each(t.proxy(function(i,e){var s=t(e),n=s.coords().grid;this.can_go_widget_up(n)?(r=r.add(s),o.push(n)):a.push(n)},this)),s=i.not(r),{can_go_up:e.sort_by_row_asc(o),can_not_go_up:e.sort_by_row_desc(a)}},r.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},r.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},r.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},r.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},r.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},r.is_empty=function(t,i){return this.gridmap[t]!==void 0?this.gridmap[t][i]!==void 0&&this.gridmap[t][i]===!1?!0:!1:!0},r.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},r.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},r.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},r.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},r.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||n)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},r.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],n=i+1;for(s[t]=[];--n>0&&(this.is_empty(t,n)||this.is_player(t,n)||this.is_widget(t,n)&&a[n].is(o));)s[t].push(n),r=r>n?n:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i +}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var n=i+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(t.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},r.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},r.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},r.on_start_overlapping_column=function(t){this.set_player(t,!1)},r.on_start_overlapping_row=function(t){this.set_player(!1,t)},r.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},r.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(i);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),h.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),void 0):!1},r.move_widget_down=function(i,e){var s,r,o,a;if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var n=i.coords().grid,h=r+e,_=this.widgets_below(i);this.remove_from_gridmap(n),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,i),i.attr("data-row",n.row),this.$changed=this.$changed.add(i),o.push(i)}},r.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,n=[],h=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],n[t]=[],r=h;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)n[t].push(r);return n[t].length?void 0:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===t.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},r.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},r.widgets_below=function(i){var s=t.isPlainObject(i)?i:i.coords().grid,r=this;this.gridmap;var o=s.row+s.size_y-1,a=t([]);return this.for_each_column_occupied(s,function(i){r.for_each_widget_below(i,o,function(){return r.is_player(this)||-1!==t.inArray(this,a)?void 0:(a=a.add(this),!0)})}),e.sort_by_row_asc(a)},r.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},r.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},r.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):void 0}),r)},r.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,n=i+t.size_x-1;return n>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},r.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},r.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},r.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},r.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},r._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},r.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},r.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},r.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},r.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},r.set_dom_grid_height=function(t){if(t===void 0){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},r.set_dom_grid_width=function(t){t===void 0&&(t=this.get_highest_occupied_cell().col);var i=this.options.autogrow_cols?this.options.max_cols:this.cols;return t=Math.min(i,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},r.generate_stylesheet=function(i){var s,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,e.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(a),e.generated_stylesheets.push(a),s=i.cols;s>=0;s--)r+=i.namespace+' [data-col="'+(s+1)+'"] { left:'+(s*i.widget_base_dimensions[0]+s*i.widget_margins[0]+(s+1)*i.widget_margins[0])+"px; }\n";for(s=i.rows;s>=0;s--)r+=i.namespace+' [data-row="'+(s+1)+'"] { top:'+(s*i.widget_base_dimensions[1]+s*i.widget_margins[1]+(s+1)*i.widget_margins[1])+"px; }\n";for(var n=1;i.rows>=n;n++)r+=i.namespace+' [data-sizey="'+n+'"] { height:'+(n*i.widget_base_dimensions[1]+(n-1)*2*i.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=i.namespace+' [data-sizex="'+h+'"] { width:'+(h*i.widget_base_dimensions[0]+(h-1)*2*i.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(r)},r.add_style_tag=function(t){var i=document,e=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(e),e.setAttribute("type","text/css"),e.styleSheet?e.styleSheet.cssText=t:e.appendChild(document.createTextNode(t)),this.$style_tags=this.$style_tags.add(e),this},r.remove_style_tags=function(){var i=e.generated_stylesheets,s=this.generated_stylesheets;this.$style_tags.remove(),e.generated_stylesheets=t.map(i,function(i){return-1===t.inArray(i,s)?i:void 0})},r.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},r.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},r.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.recalculate_faux_grid=function(){var i=this.$wrapper.width();return this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},r.get_widgets_from_DOM=function(){var i=this.$widgets.map(t.proxy(function(i,e){var s=t(e);return this.dom_to_coords(s)},this));i=e.sort_by_row_and_col_asc(i);var s=t(i).map(t.proxy(function(t,i){return this.register_widget(i)||null},this));return s.length&&this.$el.trigger("gridster:positionschanged"),this},r.generate_grid_and_stylesheet=function(){var i=this.$wrapper.width(),e=this.options.max_cols,s=Math.floor(i/this.min_widget_width)+this.options.extra_cols,r=this.$widgets.map(function(){return t(this).attr("data-col")}).get();r.length||(r=[0]);var o=Math.max.apply(Math,r);this.cols=Math.max(o,s,this.options.min_cols),1/0!==e&&e>=o&&this.cols>e&&(this.cols=e);var a=this.options.extra_rows;return this.$widgets.each(function(i,e){a+=+t(e).attr("data-sizey")}),this.rows=Math.max(a,this.options.min_rows),this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},r.destroy=function(i){return this.$el.removeData("gridster"),t(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),i&&this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new e(this,i))})},e}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster"],i):t.Gridster=i(t.$||t.jQuery,t.Gridster)}(this,function(t,i){var e=i.prototype;return e.widgets_in_col=function(t){if(!this.gridmap[t])return!1;for(var i=this.gridmap[t].length-1;i>=0;i--)if(this.is_widget(t,i)!==!1)return!0;return!1},e.widgets_in_row=function(t){for(var i=this.gridmap.length;i>=1;i--)if(this.is_widget(i,t)!==!1)return!0;return!1},e.widgets_in_range=function(i,e,s,r){var o,a,n,h,_=t([]);for(o=s;o>=i;o--)for(a=r;a>=e;a--)n=this.is_widget(o,a),n!==!1&&(h=n.data("coords").grid,h.col>=i&&s>=h.col&&h.row>=e&&r>=h.row&&(_=_.add(n)));return _},e.get_bottom_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){e&&r>t&&(t=r,i=s)}),{col:i,row:t}},e.get_right_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){return e?(t=r,i=s,!1):void 0}),{col:i,row:t}},e.for_each_cell=function(t,i){i||(i=this.gridmap);var e=i.length,s=i[1].length;t:for(var r=e-1;r>=1;r--)for(var o=s-1;o>=1;o--){var a=i[r]&&i[r][o];if(t){if(t.call(this,a,r,o)===!1)break t}else;}},e.next_position_in_range=function(t,e,s){t||(t=1),e||(e=1);for(var r,o=this.gridmap,a=o.length,n=[],h=1;a>h;h++){r=s||o[h].length;for(var _=1;r>=_;_++){var d=this.can_move_to({size_x:t,size_y:e},h,_,s);d&&n.push({col:h,row:_,size_y:e,size_x:t})}}return n.length>=1?i.sort_by_col_asc(n)[0]:!1},e.closest_to_right=function(t,i){if(!this.gridmap[t])return!1;for(var e=this.gridmap.length-1,s=t;e>=s;s++)if(this.gridmap[s][i])return{col:s,row:i};return!1},e.closest_to_left=function(t,i){if(this.gridmap.length-1,!this.gridmap[t])return!1;for(var e=t;e>=1;e--)if(this.gridmap[e][i])return{col:e,row:i};return!1},i}); \ No newline at end of file diff --git a/lib/gridster/package.json b/lib/gridster/package.json new file mode 100644 index 0000000000..23354b5a3b --- /dev/null +++ b/lib/gridster/package.json @@ -0,0 +1,41 @@ +{ + "name": "gridster", + "title": "gridster.js", + "description": "a drag-and-drop multi-column jQuery grid plugin", + "version": "0.5.6", + "homepage": "http://gridster.net/", + "author": { + "name": "ducksboard", + "email": "hackers@ducksboard.com" + }, + "repository": { + "type": "git", + "url": "git://github.com/ducksboard/gridster.js.git" + }, + "bugs": { + "url": "https://github.com/ducksboard/gridster.js/issues" + }, + "licenses": [ + { + "type": "MIT", + "url": "https://github.com/ducksboard/gridster.js/blob/master/LICENSE" + } + ], + "keywords": [], + "dependencies": { + "jquery": "git+https://github.com/jquery/jquery.git#2.0.3" + }, + "devDependencies": { + "grunt": "~0.4.1", + "grunt-contrib-uglify": "~0.2.0", + "grunt-contrib-jshint": "~0.3.0", + "grunt-contrib-concat": "~0.1.3", + "grunt-contrib-watch": "~0.3.1", + "grunt-contrib-cssmin": "~0.5.0", + "grunt-contrib-yuidoc": "~0.4.0", + "bower": "~0.9.2", + "qunitjs": "~1.11.0", + "grunt-bump": "0.0.11", + "grunt-conventional-changelog": "~1.0.0" + } +} diff --git a/lib/gridster/src/jquery.collision.js b/lib/gridster/src/jquery.collision.js new file mode 100644 index 0000000000..4a15e8e34b --- /dev/null +++ b/lib/gridster/src/jquery.collision.js @@ -0,0 +1,242 @@ +/* + * jquery.collision + * https://github.com/ducksboard/gridster.js + * + * Copyright (c) 2012 ducksboard + * Licensed under the MIT licenses. + */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-collision', ['jquery', 'gridster-coords'], factory); + } else { + root.GridsterCollision = factory(root.$ || root.jQuery, + root.GridsterCoords); + } + +}(this, function($, Coords) { + + var defaults = { + colliders_context: document.body, + overlapping_region: 'C' + // ,on_overlap: function(collider_data){}, + // on_overlap_start : function(collider_data){}, + // on_overlap_stop : function(collider_data){} + }; + + + /** + * Detects collisions between a DOM element against other DOM elements or + * Coords objects. + * + * @class Collision + * @uses Coords + * @param {HTMLElement} el The jQuery wrapped HTMLElement. + * @param {HTMLElement|Array} colliders Can be a jQuery collection + * of HTMLElements or an Array of Coords instances. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {String} [options.overlapping_region] Determines when collision + * is valid, depending on the overlapped area. Values can be: 'N', 'S', + * 'W', 'E', 'C' or 'all'. Default is 'C'. + * @param {Function} [options.on_overlap_start] Executes a function the first + * time each `collider ` is overlapped. + * @param {Function} [options.on_overlap_stop] Executes a function when a + * `collider` is no longer collided. + * @param {Function} [options.on_overlap] Executes a function when the + * mouse is moved during the collision. + * @return {Object} Collision instance. + * @constructor + */ + function Collision(el, colliders, options) { + this.options = $.extend(defaults, options); + this.$element = el; + this.last_colliders = []; + this.last_colliders_coords = []; + this.set_colliders(colliders); + + this.init(); + } + + Collision.defaults = defaults; + + var fn = Collision.prototype; + + + fn.init = function() { + this.find_collisions(); + }; + + + fn.overlaps = function(a, b) { + var x = false; + var y = false; + + if ((b.x1 >= a.x1 && b.x1 <= a.x2) || + (b.x2 >= a.x1 && b.x2 <= a.x2) || + (a.x1 >= b.x1 && a.x2 <= b.x2) + ) { x = true; } + + if ((b.y1 >= a.y1 && b.y1 <= a.y2) || + (b.y2 >= a.y1 && b.y2 <= a.y2) || + (a.y1 >= b.y1 && a.y2 <= b.y2) + ) { y = true; } + + return (x && y); + }; + + + fn.detect_overlapping_region = function(a, b){ + var regionX = ''; + var regionY = ''; + + if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } + if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } + if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } + if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } + + return (regionX + regionY) || 'C'; + }; + + + fn.calculate_overlapped_area_coords = function(a, b){ + var x1 = Math.max(a.x1, b.x1); + var y1 = Math.max(a.y1, b.y1); + var x2 = Math.min(a.x2, b.x2); + var y2 = Math.min(a.y2, b.y2); + + return $({ + left: x1, + top: y1, + width : (x2 - x1), + height: (y2 - y1) + }).coords().get(); + }; + + + fn.calculate_overlapped_area = function(coords){ + return (coords.width * coords.height); + }; + + + fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ + var last = this.last_colliders_coords; + + for (var i = 0, il = last.length; i < il; i++) { + if ($.inArray(last[i], new_colliders_coords) === -1) { + start_callback.call(this, last[i]); + } + } + + for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { + if ($.inArray(new_colliders_coords[j], last) === -1) { + stop_callback.call(this, new_colliders_coords[j]); + } + + } + }; + + + fn.find_collisions = function(player_data_coords){ + var self = this; + var overlapping_region = this.options.overlapping_region; + var colliders_coords = []; + var colliders_data = []; + var $colliders = (this.colliders || this.$colliders); + var count = $colliders.length; + var player_coords = self.$element.coords() + .update(player_data_coords || false).get(); + + while(count--){ + var $collider = self.$colliders ? + $($colliders[count]) : $colliders[count]; + var $collider_coords_ins = ($collider.isCoords) ? + $collider : $collider.coords(); + var collider_coords = $collider_coords_ins.get(); + var overlaps = self.overlaps(player_coords, collider_coords); + + if (!overlaps) { + continue; + } + + var region = self.detect_overlapping_region( + player_coords, collider_coords); + + //todo: make this an option + if (region === overlapping_region || overlapping_region === 'all') { + + var area_coords = self.calculate_overlapped_area_coords( + player_coords, collider_coords); + var area = self.calculate_overlapped_area(area_coords); + var collider_data = { + area: area, + area_coords : area_coords, + region: region, + coords: collider_coords, + player_coords: player_coords, + el: $collider + }; + + if (self.options.on_overlap) { + self.options.on_overlap.call(this, collider_data); + } + colliders_coords.push($collider_coords_ins); + colliders_data.push(collider_data); + } + } + + if (self.options.on_overlap_stop || self.options.on_overlap_start) { + this.manage_colliders_start_stop(colliders_coords, + self.options.on_overlap_start, self.options.on_overlap_stop); + } + + this.last_colliders_coords = colliders_coords; + + return colliders_data; + }; + + + fn.get_closest_colliders = function(player_data_coords){ + var colliders = this.find_collisions(player_data_coords); + + colliders.sort(function(a, b) { + /* if colliders are being overlapped by the "C" (center) region, + * we have to set a lower index in the array to which they are placed + * above in the grid. */ + if (a.region === 'C' && b.region === 'C') { + if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { + return - 1; + }else{ + return 1; + } + } + + if (a.area < b.area) { + return 1; + } + + return 1; + }); + return colliders; + }; + + + fn.set_colliders = function(colliders) { + if (typeof colliders === 'string' || colliders instanceof $) { + this.$colliders = $(colliders, + this.options.colliders_context).not(this.$element); + }else{ + this.colliders = $(colliders); + } + }; + + + //jQuery adapter + $.fn.collision = function(collider, options) { + return new Collision( this, collider, options ); + }; + + return Collision; + +})); diff --git a/lib/gridster/src/jquery.coords.js b/lib/gridster/src/jquery.coords.js new file mode 100644 index 0000000000..821b67c8b2 --- /dev/null +++ b/lib/gridster/src/jquery.coords.js @@ -0,0 +1,125 @@ +/* + * jquery.coords + * https://github.com/ducksboard/gridster.js + * + * Copyright (c) 2012 ducksboard + * Licensed under the MIT licenses. + */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-coords', ['jquery'], factory); + } else { + root.GridsterCoords = factory(root.$ || root.jQuery); + } + +}(this, function($) { + /** + * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height) + * to simulate DOM elements on the screen. + * Coords is used by Gridster to create a faux grid with any DOM element can + * collide. + * + * @class Coords + * @param {HTMLElement|Object} obj The jQuery HTMLElement or a object with: left, + * top, width and height properties. + * @return {Object} Coords instance. + * @constructor + */ + function Coords(obj) { + if (obj[0] && $.isPlainObject(obj[0])) { + this.data = obj[0]; + }else { + this.el = obj; + } + + this.isCoords = true; + this.coords = {}; + this.init(); + return this; + } + + + var fn = Coords.prototype; + + + fn.init = function(){ + this.set(); + this.original_coords = this.get(); + }; + + + fn.set = function(update, not_update_offsets) { + var el = this.el; + + if (el && !update) { + this.data = el.offset(); + this.data.width = el.width(); + this.data.height = el.height(); + } + + if (el && update && !not_update_offsets) { + var offset = el.offset(); + this.data.top = offset.top; + this.data.left = offset.left; + } + + var d = this.data; + + typeof d.left === 'undefined' && (d.left = d.x1); + typeof d.top === 'undefined' && (d.top = d.y1); + + this.coords.x1 = d.left; + this.coords.y1 = d.top; + this.coords.x2 = d.left + d.width; + this.coords.y2 = d.top + d.height; + this.coords.cx = d.left + (d.width / 2); + this.coords.cy = d.top + (d.height / 2); + this.coords.width = d.width; + this.coords.height = d.height; + this.coords.el = el || false ; + + return this; + }; + + + fn.update = function(data){ + if (!data && !this.el) { + return this; + } + + if (data) { + var new_data = $.extend({}, this.data, data); + this.data = new_data; + return this.set(true, true); + } + + this.set(true); + return this; + }; + + + fn.get = function(){ + return this.coords; + }; + + fn.destroy = function() { + this.el.removeData('coords'); + delete this.el; + }; + + //jQuery adapter + $.fn.coords = function() { + if (this.data('coords') ) { + return this.data('coords'); + } + + var ins = new Coords(this, arguments[0]); + this.data('coords', ins); + return ins; + }; + + return Coords; + +})); diff --git a/lib/gridster/src/jquery.draggable.js b/lib/gridster/src/jquery.draggable.js new file mode 100644 index 0000000000..d9b5d9884b --- /dev/null +++ b/lib/gridster/src/jquery.draggable.js @@ -0,0 +1,432 @@ +/* + * jquery.draggable + * https://github.com/ducksboard/gridster.js + * + * Copyright (c) 2012 ducksboard + * Licensed under the MIT licenses. + */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define('gridster-draggable', ['jquery'], factory); + } else { + root.GridsterDraggable = factory(root.$ || root.jQuery); + } + +}(this, function($) { + + var defaults = { + items: 'li', + distance: 1, + limit: true, + offset_left: 0, + autoscroll: true, + ignore_dragging: ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'], // or function + handle: null, + container_width: 0, // 0 == auto + move_element: true, + helper: false, // or 'clone' + remove_helper: true + // drag: function(e) {}, + // start : function(e, ui) {}, + // stop : function(e) {} + }; + + var $window = $(window); + var dir_map = { x : 'left', y : 'top' }; + var isTouch = !!('ontouchstart' in window); + + var capitalize = function(str) { + return str.charAt(0).toUpperCase() + str.slice(1); + }; + + var idCounter = 0; + var uniqId = function() { + return ++idCounter + ''; + } + + /** + * Basic drag implementation for DOM elements inside a container. + * Provide start/stop/drag callbacks. + * + * @class Draggable + * @param {HTMLElement} el The HTMLelement that contains all the widgets + * to be dragged. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.items] Define who will + * be the draggable items. Can be a CSS Selector String or a + * collection of HTMLElements. + * @param {Number} [options.distance] Distance in pixels after mousedown + * the mouse must move before dragging should start. + * @param {Boolean} [options.limit] Constrains dragging to the width of + * the container + * @param {Object|Function} [options.ignore_dragging] Array of node names + * that sould not trigger dragging, by default is `['INPUT', 'TEXTAREA', + * 'SELECT', 'BUTTON']`. If a function is used return true to ignore dragging. + * @param {offset_left} [options.offset_left] Offset added to the item + * that is being dragged. + * @param {Number} [options.drag] Executes a callback when the mouse is + * moved during the dragging. + * @param {Number} [options.start] Executes a callback when the drag + * starts. + * @param {Number} [options.stop] Executes a callback when the drag stops. + * @return {Object} Returns `el`. + * @constructor + */ + function Draggable(el, options) { + this.options = $.extend({}, defaults, options); + this.$document = $(document); + this.$container = $(el); + this.$dragitems = $(this.options.items, this.$container); + this.is_dragging = false; + this.player_min_left = 0 + this.options.offset_left; + this.id = uniqId(); + this.ns = '.gridster-draggable-' + this.id; + this.init(); + } + + Draggable.defaults = defaults; + + var fn = Draggable.prototype; + + fn.init = function() { + var pos = this.$container.css('position'); + this.calculate_dimensions(); + this.$container.css('position', pos === 'static' ? 'relative' : pos); + this.disabled = false; + this.events(); + + $(window).bind(this.nsEvent('resize'), + throttle($.proxy(this.calculate_dimensions, this), 200)); + }; + + fn.nsEvent = function(ev) { + return (ev || '') + this.ns; + }; + + fn.events = function() { + this.pointer_events = { + start: this.nsEvent('touchstart') + ' ' + this.nsEvent('mousedown'), + move: this.nsEvent('touchmove') + ' ' + this.nsEvent('mousemove'), + end: this.nsEvent('touchend') + ' ' + this.nsEvent('mouseup'), + }; + + this.$container.on(this.nsEvent('selectstart'), + $.proxy(this.on_select_start, this)); + + this.$container.on(this.pointer_events.start, this.options.items, + $.proxy(this.drag_handler, this)); + + this.$document.on(this.pointer_events.end, $.proxy(function(e) { + this.is_dragging = false; + if (this.disabled) { return; } + this.$document.off(this.pointer_events.move); + if (this.drag_start) { + this.on_dragstop(e); + } + }, this)); + }; + + fn.get_actual_pos = function($el) { + var pos = $el.position(); + return pos; + }; + + + fn.get_mouse_pos = function(e) { + if (e.originalEvent && e.originalEvent.touches) { + var oe = e.originalEvent; + e = oe.touches.length ? oe.touches[0] : oe.changedTouches[0]; + } + + return { + left: e.clientX, + top: e.clientY + }; + }; + + + fn.get_offset = function(e) { + e.preventDefault(); + var mouse_actual_pos = this.get_mouse_pos(e); + var diff_x = Math.round( + mouse_actual_pos.left - this.mouse_init_pos.left); + var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top); + + var left = Math.round(this.el_init_offset.left + + diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x); + var top = Math.round(this.el_init_offset.top + + diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y); + + if (this.options.limit) { + if (left > this.player_max_left) { + left = this.player_max_left; + } else if(left < this.player_min_left) { + left = this.player_min_left; + } + } + + return { + position: { + left: left, + top: top + }, + pointer: { + left: mouse_actual_pos.left, + top: mouse_actual_pos.top, + diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x), + diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y) + } + }; + }; + + + fn.get_drag_data = function(e) { + var offset = this.get_offset(e); + offset.$player = this.$player; + offset.$helper = this.helper ? this.$helper : this.$player; + + return offset; + }; + + + fn.set_limits = function(container_width) { + container_width || (container_width = this.$container.width()); + this.player_max_left = (container_width - this.player_width + + - this.options.offset_left); + + this.options.container_width = container_width; + + return this; + }; + + + fn.scroll_in = function(axis, data) { + var dir_prop = dir_map[axis]; + + var area_size = 50; + var scroll_inc = 30; + + var is_x = axis === 'x'; + var window_size = is_x ? this.window_width : this.window_height; + var doc_size = is_x ? $(document).width() : $(document).height(); + var player_size = is_x ? this.$player.width() : this.$player.height(); + + var next_scroll; + var scroll_offset = $window['scroll' + capitalize(dir_prop)](); + var min_window_pos = scroll_offset; + var max_window_pos = min_window_pos + window_size; + + var mouse_next_zone = max_window_pos - area_size; // down/right + var mouse_prev_zone = min_window_pos + area_size; // up/left + + var abs_mouse_pos = min_window_pos + data.pointer[dir_prop]; + + var max_player_pos = (doc_size - window_size + player_size); + + if (abs_mouse_pos >= mouse_next_zone) { + next_scroll = scroll_offset + scroll_inc; + if (next_scroll < max_player_pos) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] += scroll_inc; + } + } + + if (abs_mouse_pos <= mouse_prev_zone) { + next_scroll = scroll_offset - scroll_inc; + if (next_scroll > 0) { + $window['scroll' + capitalize(dir_prop)](next_scroll); + this['scroll_offset_' + axis] -= scroll_inc; + } + } + + return this; + }; + + + fn.manage_scroll = function(data) { + this.scroll_in('x', data); + this.scroll_in('y', data); + }; + + + fn.calculate_dimensions = function(e) { + this.window_height = $window.height(); + this.window_width = $window.width(); + }; + + + fn.drag_handler = function(e) { + var node = e.target.nodeName; + // skip if drag is disabled, or click was not done with the mouse primary button + if (this.disabled || e.which !== 1 && !isTouch) { + return; + } + + if (this.ignore_drag(e)) { + return; + } + + var self = this; + var first = true; + this.$player = $(e.currentTarget); + + this.el_init_pos = this.get_actual_pos(this.$player); + this.mouse_init_pos = this.get_mouse_pos(e); + this.offsetY = this.mouse_init_pos.top - this.el_init_pos.top; + + this.$document.on(this.pointer_events.move, function(mme) { + var mouse_actual_pos = self.get_mouse_pos(mme); + var diff_x = Math.abs( + mouse_actual_pos.left - self.mouse_init_pos.left); + var diff_y = Math.abs( + mouse_actual_pos.top - self.mouse_init_pos.top); + if (!(diff_x > self.options.distance || + diff_y > self.options.distance) + ) { + return false; + } + + if (first) { + first = false; + self.on_dragstart.call(self, mme); + return false; + } + + if (self.is_dragging === true) { + self.on_dragmove.call(self, mme); + } + + return false; + }); + + if (!isTouch) { return false; } + }; + + + fn.on_dragstart = function(e) { + e.preventDefault(); + + if (this.is_dragging) { return this; } + + this.drag_start = this.is_dragging = true; + var offset = this.$container.offset(); + this.baseX = Math.round(offset.left); + this.baseY = Math.round(offset.top); + this.initial_container_width = this.options.container_width || this.$container.width(); + + if (this.options.helper === 'clone') { + this.$helper = this.$player.clone() + .appendTo(this.$container).addClass('helper'); + this.helper = true; + } else { + this.helper = false; + } + + this.win_offset_y = $(window).scrollTop(); + this.win_offset_x = $(window).scrollLeft(); + this.scroll_offset_y = 0; + this.scroll_offset_x = 0; + this.el_init_offset = this.$player.offset(); + this.player_width = this.$player.width(); + this.player_height = this.$player.height(); + + this.set_limits(this.options.container_width); + + if (this.options.start) { + this.options.start.call(this.$player, e, this.get_drag_data(e)); + } + return false; + }; + + + fn.on_dragmove = function(e) { + var data = this.get_drag_data(e); + + this.options.autoscroll && this.manage_scroll(data); + + if (this.options.move_element) { + (this.helper ? this.$helper : this.$player).css({ + 'position': 'absolute', + 'left' : data.position.left, + 'top' : data.position.top + }); + } + + var last_position = this.last_position || data.position; + data.prev_position = last_position; + + if (this.options.drag) { + this.options.drag.call(this.$player, e, data); + } + + this.last_position = data.position; + return false; + }; + + + fn.on_dragstop = function(e) { + var data = this.get_drag_data(e); + this.drag_start = false; + + if (this.options.stop) { + this.options.stop.call(this.$player, e, data); + } + + if (this.helper && this.options.remove_helper) { + this.$helper.remove(); + } + + return false; + }; + + fn.on_select_start = function(e) { + if (this.disabled) { return; } + + if (this.ignore_drag(e)) { + return; + } + + return false; + }; + + fn.enable = function() { + this.disabled = false; + }; + + fn.disable = function() { + this.disabled = true; + }; + + fn.destroy = function() { + this.disable(); + + this.$container.off(this.ns); + this.$document.off(this.ns); + $(window).off(this.ns); + + $.removeData(this.$container, 'drag'); + }; + + fn.ignore_drag = function(event) { + if (this.options.handle) { + return !$(event.target).is(this.options.handle); + } + + if ($.isFunction(this.options.ignore_dragging)) { + return this.options.ignore_dragging(event); + } + + return $(event.target).is(this.options.ignore_dragging.join(', ')); + }; + + //jQuery adapter + $.fn.drag = function ( options ) { + return new Draggable(this, options); + }; + + return Draggable; + +})); diff --git a/lib/gridster/src/jquery.gridster.css b/lib/gridster/src/jquery.gridster.css new file mode 100644 index 0000000000..52feaab18c --- /dev/null +++ b/lib/gridster/src/jquery.gridster.css @@ -0,0 +1,117 @@ +.gridster { + position:relative; +} + +.gridster > * { + margin: 0 auto; + -webkit-transition: height .4s, width .4s; + -moz-transition: height .4s, width .4s; + -o-transition: height .4s, width .4s; + -ms-transition: height .4s, width .4s; + transition: height .4s, width .4s; +} + +.gridster .gs-w { + z-index: 2; + position: absolute; +} + +.ready .gs-w:not(.preview-holder) { + -webkit-transition: opacity .3s, left .3s, top .3s; + -moz-transition: opacity .3s, left .3s, top .3s; + -o-transition: opacity .3s, left .3s, top .3s; + transition: opacity .3s, left .3s, top .3s; +} + +.ready .gs-w:not(.preview-holder), +.ready .resize-preview-holder { + -webkit-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + -moz-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + -o-transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; + transition: opacity .3s, left .3s, top .3s, width .3s, height .3s; +} + +.gridster .preview-holder { + z-index: 1; + position: absolute; + background-color: #fff; + border-color: #fff; + opacity: 0.3; +} + +.gridster .player-revert { + z-index: 10!important; + -webkit-transition: left .3s, top .3s!important; + -moz-transition: left .3s, top .3s!important; + -o-transition: left .3s, top .3s!important; + transition: left .3s, top .3s!important; +} + +.gridster .dragging, +.gridster .resizing { + z-index: 10!important; + -webkit-transition: all 0s !important; + -moz-transition: all 0s !important; + -o-transition: all 0s !important; + transition: all 0s !important; +} + + +.gs-resize-handle { + position: absolute; + z-index: 1; +} + +.gs-resize-handle-both { + width: 20px; + height: 20px; + bottom: -8px; + right: -8px; + background-image: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBzdGFuZGFsb25lPSJubyI/Pg08IS0tIEdlbmVyYXRvcjogQWRvYmUgRmlyZXdvcmtzIENTNiwgRXhwb3J0IFNWRyBFeHRlbnNpb24gYnkgQWFyb24gQmVhbGwgKGh0dHA6Ly9maXJld29ya3MuYWJlYWxsLmNvbSkgLiBWZXJzaW9uOiAwLjYuMSAgLS0+DTwhRE9DVFlQRSBzdmcgUFVCTElDICItLy9XM0MvL0RURCBTVkcgMS4xLy9FTiIgImh0dHA6Ly93d3cudzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCI+DTxzdmcgaWQ9IlVudGl0bGVkLVBhZ2UlMjAxIiB2aWV3Qm94PSIwIDAgNiA2IiBzdHlsZT0iYmFja2dyb3VuZC1jb2xvcjojZmZmZmZmMDAiIHZlcnNpb249IjEuMSINCXhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIHhtbDpzcGFjZT0icHJlc2VydmUiDQl4PSIwcHgiIHk9IjBweCIgd2lkdGg9IjZweCIgaGVpZ2h0PSI2cHgiDT4NCTxnIG9wYWNpdHk9IjAuMzAyIj4NCQk8cGF0aCBkPSJNIDYgNiBMIDAgNiBMIDAgNC4yIEwgNCA0LjIgTCA0LjIgNC4yIEwgNC4yIDAgTCA2IDAgTCA2IDYgTCA2IDYgWiIgZmlsbD0iIzAwMDAwMCIvPg0JPC9nPg08L3N2Zz4='); + background-position: top left; + background-repeat: no-repeat; + cursor: se-resize; + z-index: 20; +} + +.gs-resize-handle-x { + top: 0; + bottom: 13px; + right: -5px; + width: 10px; + cursor: e-resize; +} + +.gs-resize-handle-y { + left: 0; + right: 13px; + bottom: -5px; + height: 10px; + cursor: s-resize; +} + +.gs-w:hover .gs-resize-handle, +.resizing .gs-resize-handle { + opacity: 1; +} + +.gs-resize-handle, +.gs-w.dragging .gs-resize-handle { + opacity: 0; +} + +.gs-resize-disabled .gs-resize-handle { + display: none!important; +} + +[data-max-sizex="1"] .gs-resize-handle-x, +[data-max-sizey="1"] .gs-resize-handle-y, +[data-max-sizey="1"][data-max-sizex="1"] .gs-resize-handle { + display: none !important; +} + +/* Uncomment this if you set helper : "clone" in draggable options */ +/*.gridster .player { + opacity:0; +} +*/ \ No newline at end of file diff --git a/lib/gridster/src/jquery.gridster.extras.js b/lib/gridster/src/jquery.gridster.extras.js new file mode 100644 index 0000000000..e7ea59f8ba --- /dev/null +++ b/lib/gridster/src/jquery.gridster.extras.js @@ -0,0 +1,175 @@ +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define(['jquery', 'gridster'], factory); + } else { + root.Gridster = factory(root.$ || root.jQuery, root.Gridster); + } + +}(this, function($, Gridster) { + + var fn = Gridster.prototype; + + fn.widgets_in_col = function(col) { + if (!this.gridmap[col]) { + return false; + } + + for (var i = this.gridmap[col].length - 1; i >= 0; i--) { + if (this.is_widget(col, i) !== false) { + return true; + } + } + + return false; + }; + + fn.widgets_in_row = function(row) { + for (var i = this.gridmap.length; i >= 1; i--) { + if (this.is_widget(i, row) !== false) { + return true; + } + } + + return false; + }; + + + fn.widgets_in_range = function(col1, row1, col2, row2) { + var valid_cols = []; + var valid_rows = []; + var $widgets = $([]); + var c, r, $w, wgd; + + for (c = col2; c >= col1; c--) { + for (r = row2; r >= row1; r--) { + $w = this.is_widget(c, r); + + if ($w !== false) { + wgd = $w.data('coords').grid; + if (wgd.col >= col1 && wgd.col <= col2 && + wgd.row >= row1 && wgd.row <= row2 + ) { + $widgets = $widgets.add($w); + } + } + } + } + + return $widgets; + }; + + + fn.get_bottom_most_occupied_cell = function() { + var row = 0; + var col = 0; + this.for_each_cell(function($el, c, r) { + if ($el && r > row) { + row = r; + col = c; + } + }); + + return {col: col, row: row}; + }; + + + fn.get_right_most_occupied_cell = function() { + var row = 0; + var col = 0; + this.for_each_cell(function($el, c, r) { + if ($el) { + row = r; + col = c; + return false; + } + }); + + return {col: col, row: row}; + }; + + + fn.for_each_cell = function(callback, gridmap) { + gridmap || (gridmap = this.gridmap); + var cols = gridmap.length; + var rows = gridmap[1].length; + + cols_iter: + for (var c = cols - 1; c >= 1; c--) { + for (var r = rows - 1; r >= 1; r--) { + var $el = gridmap[c] && gridmap[c][r]; + if (callback) { + if (callback.call(this, $el, c, r) === false) { + break cols_iter; + } else { continue; } + } + } + } + }; + + + fn.next_position_in_range = function(size_x, size_y, max_rows) { + size_x || (size_x = 1); + size_y || (size_y = 1); + var ga = this.gridmap; + var cols_l = ga.length; + var valid_pos = []; + var rows_l; + + for (var c = 1; c < cols_l; c++) { + rows_l = max_rows || ga[c].length; + for (var r = 1; r <= rows_l; r++) { + var can_move_to = this.can_move_to({ + size_x: size_x, + size_y: size_y + }, c, r, max_rows); + + if (can_move_to) { + valid_pos.push({ + col: c, + row: r, + size_y: size_y, + size_x: size_x + }); + } + } + } + + if (valid_pos.length >= 1) { + return Gridster.sort_by_col_asc(valid_pos)[0]; + } + + return false; + }; + + + fn.closest_to_right = function(col, row) { + if (!this.gridmap[col]) { return false; } + var cols_l = this.gridmap.length - 1; + + for (var c = col; c <= cols_l; c++) { + if (this.gridmap[c][row]) { + return { col: c, row: row }; + } + } + + return false; + }; + + + fn.closest_to_left = function(col, row) { + var cols_l = this.gridmap.length - 1; + if (!this.gridmap[col]) { return false; } + + for (var c = col; c >= 1; c--) { + if (this.gridmap[c][row]) { + return { col: c, row: row }; + } + } + + return false; + }; + + return Gridster; + +})); diff --git a/lib/gridster/src/jquery.gridster.js b/lib/gridster/src/jquery.gridster.js new file mode 100755 index 0000000000..7bac91186a --- /dev/null +++ b/lib/gridster/src/jquery.gridster.js @@ -0,0 +1,3140 @@ +/* + * jquery.gridster + * https://github.com/ducksboard/gridster.js + * + * Copyright (c) 2012 ducksboard + * Licensed under the MIT licenses. + */ + +;(function(root, factory) { + + if (typeof define === 'function' && define.amd) { + define(['jquery', 'gridster-draggable', 'gridster-collision'], factory); + } else { + root.Gridster = factory(root.$ || root.jQuery, root.GridsterDraggable, + root.GridsterCollision); + } + + }(this, function($, Draggable, Collision) { + + var defaults = { + namespace: '', + widget_selector: 'li', + widget_margins: [10, 10], + widget_base_dimensions: [400, 225], + extra_rows: 0, + extra_cols: 0, + min_cols: 1, + max_cols: Infinity, + min_rows: 15, + max_size_x: false, + autogrow_cols: false, + autogenerate_stylesheet: true, + avoid_overlapped_widgets: true, + auto_init: true, + serialize_params: function($w, wgd) { + return { + col: wgd.col, + row: wgd.row, + size_x: wgd.size_x, + size_y: wgd.size_y + }; + }, + collision: {}, + draggable: { + items: '.gs-w', + distance: 4, + ignore_dragging: Draggable.defaults.ignore_dragging.slice(0) + }, + resize: { + enabled: false, + axes: ['both'], + handle_append_to: '', + handle_class: 'gs-resize-handle', + max_size: [Infinity, Infinity], + min_size: [1, 1] + } + }; + + /** + * @class Gridster + * @uses Draggable + * @uses Collision + * @param {HTMLElement} el The HTMLelement that contains all the widgets. + * @param {Object} [options] An Object with all options you want to + * overwrite: + * @param {HTMLElement|String} [options.widget_selector] Define who will + * be the draggable widgets. Can be a CSS Selector String or a + * collection of HTMLElements + * @param {Array} [options.widget_margins] Margin between widgets. + * The first index for the horizontal margin (left, right) and + * the second for the vertical margin (top, bottom). + * @param {Array} [options.widget_base_dimensions] Base widget dimensions + * in pixels. The first index for the width and the second for the + * height. + * @param {Number} [options.extra_cols] Add more columns in addition to + * those that have been calculated. + * @param {Number} [options.extra_rows] Add more rows in addition to + * those that have been calculated. + * @param {Number} [options.min_cols] The minimum required columns. + * @param {Number} [options.max_cols] The maximum columns possible (set to null + * for no maximum). + * @param {Number} [options.min_rows] The minimum required rows. + * @param {Number} [options.max_size_x] The maximum number of columns + * that a widget can span. + * @param {Boolean} [options.autogenerate_stylesheet] If true, all the + * CSS required to position all widgets in their respective columns + * and rows will be generated automatically and injected to the + * `` of the document. You can set this to false, and write + * your own CSS targeting rows and cols via data-attributes like so: + * `[data-col="1"] { left: 10px; }` + * @param {Boolean} [options.avoid_overlapped_widgets] Avoid that widgets loaded + * from the DOM can be overlapped. It is helpful if the positions were + * bad stored in the database or if there was any conflict. + * @param {Boolean} [options.auto_init] Automatically call gridster init + * method or not when the plugin is instantiated. + * @param {Function} [options.serialize_params] Return the data you want + * for each widget in the serialization. Two arguments are passed: + * `$w`: the jQuery wrapped HTMLElement, and `wgd`: the grid + * coords object (`col`, `row`, `size_x`, `size_y`). + * @param {Object} [options.collision] An Object with all options for + * Collision class you want to overwrite. See Collision docs for + * more info. + * @param {Object} [options.draggable] An Object with all options for + * Draggable class you want to overwrite. See Draggable docs for more + * info. + * @param {Object|Function} [options.draggable.ignore_dragging] Note that + * if you use a Function, and resize is enabled, you should ignore the + * resize handlers manually (options.resize.handle_class). + * @param {Object} [options.resize] An Object with resize config options. + * @param {Boolean} [options.resize.enabled] Set to true to enable + * resizing. + * @param {Array} [options.resize.axes] Axes in which widgets can be + * resized. Possible values: ['x', 'y', 'both']. + * @param {String} [options.resize.handle_append_to] Set a valid CSS + * selector to append resize handles to. + * @param {String} [options.resize.handle_class] CSS class name used + * by resize handles. + * @param {Array} [options.resize.max_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[max_cols_occupied, max_rows_occupied]` + * @param {Array} [options.resize.min_size] Limit widget dimensions + * when resizing. Array values should be integers: + * `[min_cols_occupied, min_rows_occupied]` + * @param {Function} [options.resize.start] Function executed + * when resizing starts. + * @param {Function} [otions.resize.resize] Function executed + * during the resizing. + * @param {Function} [options.resize.stop] Function executed + * when resizing stops. + * + * @constructor + */ + function Gridster(el, options) { + this.options = $.extend(true, {}, defaults, options); + this.$el = $(el); + this.$wrapper = this.$el.parent(); + this.$widgets = this.$el.children( + this.options.widget_selector).addClass('gs-w'); + this.widgets = []; + this.$changed = $([]); + this.wrapper_width = this.$wrapper.width(); + this.min_widget_width = (this.options.widget_margins[0] * 2) + + this.options.widget_base_dimensions[0]; + this.min_widget_height = (this.options.widget_margins[1] * 2) + + this.options.widget_base_dimensions[1]; + + this.generated_stylesheets = []; + this.$style_tags = $([]); + + this.options.auto_init && this.init(); + } + + Gridster.defaults = defaults; + Gridster.generated_stylesheets = []; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in ascending way. + * + * @method sort_by_row_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (!a.row) { + a = $(a).coords().grid; + b = $(b).coords().grid; + } + + if (a.row > b.row) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) placing first the empty cells upper left. + * + * @method sort_by_row_and_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_and_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row > b.row || a.row === b.row && a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects by column (representing the grid + * coords of each widget) in ascending way. + * + * @method sort_by_col_asc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_col_asc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.col > b.col) { + return 1; + } + return -1; + }); + + return widgets; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method sort_by_row_desc + * @param {Array} widgets Array of grid coords objects + * @return {Array} Returns the array sorted. + */ + Gridster.sort_by_row_desc = function(widgets) { + widgets = widgets.sort(function(a, b) { + if (a.row + a.size_y < b.row + b.size_y) { + return 1; + } + return -1; + }); + return widgets; + }; + + + + /** Instance Methods **/ + + var fn = Gridster.prototype; + + fn.init = function() { + this.options.resize.enabled && this.setup_resize(); + this.generate_grid_and_stylesheet(); + this.get_widgets_from_DOM(); + this.set_dom_grid_height(); + this.set_dom_grid_width(); + this.$wrapper.addClass('ready'); + this.draggable(); + this.options.resize.enabled && this.resizable(); + + $(window).bind('resize.gridster', throttle( + $.proxy(this.recalculate_faux_grid, this), 200)); + }; + + + /** + * Disables dragging. + * + * @method disable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.disable = function() { + this.$wrapper.find('.player-revert').removeClass('player-revert'); + this.drag_api.disable(); + return this; + }; + + + /** + * Enables dragging. + * + * @method enable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.enable = function() { + this.drag_api.enable(); + return this; + }; + + + + /** + * Disables drag-and-drop widget resizing. + * + * @method disable + * @return {Class} Returns instance of gridster Class. + */ + fn.disable_resize = function() { + this.$el.addClass('gs-resize-disabled'); + this.resize_api.disable(); + return this; + }; + + + /** + * Enables drag-and-drop widget resizing. + * + * @method enable + * @return {Class} Returns instance of gridster Class. + */ + fn.enable_resize = function() { + this.$el.removeClass('gs-resize-disabled'); + this.resize_api.enable(); + return this; + }; + + + /** + * Add a new widget to the grid. + * + * @method add_widget + * @param {String|HTMLElement} html The string representing the HTML of the widget + * or the HTMLElement. + * @param {Number} [size_x] The nº of rows the widget occupies horizontally. + * @param {Number} [size_y] The nº of columns the widget occupies vertically. + * @param {Number} [col] The column the widget should start in. + * @param {Number} [row] The row the widget should start in. + * @param {Array} [max_size] max_size Maximun size (in units) for width and height. + * @param {Array} [min_size] min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing. + * the widget that was just created. + */ + fn.add_widget = function(html, size_x, size_y, col, row, max_size, min_size) { + var pos; + size_x || (size_x = 1); + size_y || (size_y = 1); + + if (!col & !row) { + pos = this.next_position(size_x, size_y); + } else { + pos = { + col: col, + row: row, + size_x: size_x, + size_y: size_y + }; + + this.empty_cells(col, row, size_x, size_y); + } + + var $w = $(html).attr({ + 'data-col': pos.col, + 'data-row': pos.row, + 'data-sizex' : size_x, + 'data-sizey' : size_y + }).addClass('gs-w').appendTo(this.$el).hide(); + + this.$widgets = this.$widgets.add($w); + + this.register_widget($w); + + this.add_faux_rows(pos.size_y); + //this.add_faux_cols(pos.size_x); + + if (max_size) { + this.set_widget_max_size($w, max_size); + } + + if (min_size) { + this.set_widget_min_size($w, min_size); + } + + this.set_dom_grid_width(); + this.set_dom_grid_height(); + + this.drag_api.set_limits(this.cols * this.min_widget_width); + + return $w.fadeIn(); + }; + + + /** + * Change widget size limits. + * + * @method set_widget_min_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} min_size Minimum size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_min_size = function($widget, min_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.min_size_x = min_size[0]; + wgd.min_size_y = min_size[1]; + + return this; + }; + + + /** + * Change widget size limits. + * + * @method set_widget_max_size + * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement + * representing the widget or an index representing the desired widget. + * @param {Array} max_size Maximun size (in units) for width and height. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.set_widget_max_size = function($widget, max_size) { + $widget = typeof $widget === 'number' ? + this.$widgets.eq($widget) : $widget; + + if (!$widget.length) { return this; } + + var wgd = $widget.data('coords').grid; + wgd.max_size_x = max_size[0]; + wgd.max_size_y = max_size[1]; + + return this; + }; + + + /** + * Append the resize handle into a widget. + * + * @method add_resize_handle + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.add_resize_handle = function($w) { + var append_to = this.options.resize.handle_append_to; + $(this.resize_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); + + return this; + }; + + + /** + * Change the size of a widget. Width is limited to the current grid width. + * + * @method resize_widget + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget. + * @param {Number} size_x The number of columns that will occupy the widget. + * By default size_x is limited to the space available from + * the column where the widget begins, until the last column to the right. + * @param {Number} size_y The number of rows that will occupy the widget. + * @param {Function} [callback] Function executed when the widget is removed. + * @return {HTMLElement} Returns $widget. + */ + fn.resize_widget = function($widget, size_x, size_y, callback) { + var wgd = $widget.coords().grid; + var col = wgd.col; + var max_cols = this.options.max_cols; + var old_size_y = wgd.size_y; + var old_col = wgd.col; + var new_col = old_col; + + size_x || (size_x = wgd.size_x); + size_y || (size_y = wgd.size_y); + + if (max_cols !== Infinity) { + size_x = Math.min(size_x, max_cols - col + 1); + } + + if (size_y > old_size_y) { + this.add_faux_rows(Math.max(size_y - old_size_y, 0)); + } + + var player_rcol = (col + size_x - 1); + if (player_rcol > this.cols) { + this.add_faux_cols(player_rcol - this.cols); + } + + var new_grid_data = { + col: new_col, + row: wgd.row, + size_x: size_x, + size_y: size_y + }; + + this.mutate_widget_in_gridmap($widget, wgd, new_grid_data); + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (callback) { + callback.call(this, new_grid_data.size_x, new_grid_data.size_y); + } + + return $widget; + }; + + + /** + * Mutate widget dimensions and position in the grid map. + * + * @method mutate_widget_in_gridmap + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement + * representing the widget to mutate. + * @param {Object} wgd Current widget grid data (col, row, size_x, size_y). + * @param {Object} new_wgd New widget grid data. + * @return {HTMLElement} Returns instance of gridster Class. + */ + fn.mutate_widget_in_gridmap = function($widget, wgd, new_wgd) { + var old_size_x = wgd.size_x; + var old_size_y = wgd.size_y; + + var old_cells_occupied = this.get_cells_occupied(wgd); + var new_cells_occupied = this.get_cells_occupied(new_wgd); + + var empty_cols = []; + $.each(old_cells_occupied.cols, function(i, col) { + if ($.inArray(col, new_cells_occupied.cols) === -1) { + empty_cols.push(col); + } + }); + + var occupied_cols = []; + $.each(new_cells_occupied.cols, function(i, col) { + if ($.inArray(col, old_cells_occupied.cols) === -1) { + occupied_cols.push(col); + } + }); + + var empty_rows = []; + $.each(old_cells_occupied.rows, function(i, row) { + if ($.inArray(row, new_cells_occupied.rows) === -1) { + empty_rows.push(row); + } + }); + + var occupied_rows = []; + $.each(new_cells_occupied.rows, function(i, row) { + if ($.inArray(row, old_cells_occupied.rows) === -1) { + occupied_rows.push(row); + } + }); + + this.remove_from_gridmap(wgd); + + if (occupied_cols.length) { + var cols_to_empty = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, Math.min(old_size_y, new_wgd.size_y), $widget + ]; + this.empty_cells.apply(this, cols_to_empty); + } + + if (occupied_rows.length) { + var rows_to_empty = [new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget]; + this.empty_cells.apply(this, rows_to_empty); + } + + // not the same that wgd = new_wgd; + wgd.col = new_wgd.col; + wgd.row = new_wgd.row; + wgd.size_x = new_wgd.size_x; + wgd.size_y = new_wgd.size_y; + + this.add_to_gridmap(new_wgd, $widget); + + $widget.removeClass('player-revert'); + + //update coords instance attributes + $widget.data('coords').update({ + width: (new_wgd.size_x * this.options.widget_base_dimensions[0] + + ((new_wgd.size_x - 1) * this.options.widget_margins[0]) * 2), + height: (new_wgd.size_y * this.options.widget_base_dimensions[1] + + ((new_wgd.size_y - 1) * this.options.widget_margins[1]) * 2) + }); + + $widget.attr({ + 'data-col': new_wgd.col, + 'data-row': new_wgd.row, + 'data-sizex': new_wgd.size_x, + 'data-sizey': new_wgd.size_y + }); + + if (empty_cols.length) { + var cols_to_remove_holes = [ + empty_cols[0], new_wgd.row, + empty_cols.length, + Math.min(old_size_y, new_wgd.size_y), + $widget + ]; + + this.remove_empty_cells.apply(this, cols_to_remove_holes); + } + + if (empty_rows.length) { + var rows_to_remove_holes = [ + new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget + ]; + this.remove_empty_cells.apply(this, rows_to_remove_holes); + } + + this.move_widget_up($widget); + + return this; + }; + + + /** + * Move down widgets in cells represented by the arguments col, row, size_x, + * size_y + * + * @method empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} $exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells = function(col, row, size_x, size_y, $exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row - size_y, + size_x: size_x, + size_y: size_y + }); + + $nexts.not($exclude).each($.proxy(function(i, w) { + var wgd = $(w).coords().grid; + if ( !(wgd.row <= (row + size_y - 1))) { return; } + var diff = (row + size_y) - wgd.row; + this.move_widget_down($(w), diff); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Move up widgets below cells represented by the arguments col, row, size_x, + * size_y. + * + * @method remove_empty_cells + * @param {Number} col The column where the group of cells begin. + * @param {Number} row The row where the group of cells begin. + * @param {Number} size_x The number of columns that the group of cells + * occupy. + * @param {Number} size_y The number of rows that the group of cells + * occupy. + * @param {HTMLElement} exclude Exclude widgets from being moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_empty_cells = function(col, row, size_x, size_y, exclude) { + var $nexts = this.widgets_below({ + col: col, + row: row, + size_x: size_x, + size_y: size_y + }); + + $nexts.not(exclude).each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), size_y ); + }, this)); + + this.set_dom_grid_height(); + + return this; + }; + + + /** + * Get the most left column below to add a new widget. + * + * @method next_position + * @param {Number} size_x The nº of rows the widget occupies horizontally. + * @param {Number} size_y The nº of columns the widget occupies vertically. + * @return {Object} Returns a grid coords object representing the future + * widget coords. + */ + fn.next_position = function(size_x, size_y) { + size_x || (size_x = 1); + size_y || (size_y = 1); + var ga = this.gridmap; + var cols_l = ga.length; + var valid_pos = []; + var rows_l; + + for (var c = 1; c < cols_l; c++) { + rows_l = ga[c].length; + for (var r = 1; r <= rows_l; r++) { + var can_move_to = this.can_move_to({ + size_x: size_x, + size_y: size_y + }, c, r); + + if (can_move_to) { + valid_pos.push({ + col: c, + row: r, + size_y: size_y, + size_x: size_x + }); + } + } + } + + if (valid_pos.length) { + return Gridster.sort_by_row_and_col_asc(valid_pos)[0]; + } + return false; + }; + + + /** + * Remove a widget from the grid. + * + * @method remove_widget + * @param {HTMLElement} el The jQuery wrapped HTMLElement you want to remove. + * @param {Boolean|Function} silent If true, widgets below the removed one + * will not move up. If a Function is passed it will be used as callback. + * @param {Function} callback Function executed when the widget is removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_widget = function(el, silent, callback) { + var $el = el instanceof $ ? el : $(el); + var wgd = $el.coords().grid; + + // if silent is a function assume it's a callback + if ($.isFunction(silent)) { + callback = silent; + silent = false; + } + + this.cells_occupied_by_placeholder = {}; + this.$widgets = this.$widgets.not($el); + + var $nexts = this.widgets_below($el); + + this.remove_from_gridmap(wgd); + + $el.fadeOut($.proxy(function() { + $el.remove(); + + if (!silent) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget), wgd.size_y ); + }, this)); + } + + this.set_dom_grid_height(); + + if (callback) { + callback.call(this, el); + } + }, this)); + + return this; + }; + + + /** + * Remove all widgets from the grid. + * + * @method remove_all_widgets + * @param {Function} callback Function executed for each widget removed. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_all_widgets = function(callback) { + this.$widgets.each($.proxy(function(i, el){ + this.remove_widget(el, true, callback); + }, this)); + + return this; + }; + + + /** + * Returns a serialized array of the widgets in the grid. + * + * @method serialize + * @param {HTMLElement} [$widgets] The collection of jQuery wrapped + * HTMLElements you want to serialize. If no argument is passed all widgets + * will be serialized. + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize = function($widgets) { + $widgets || ($widgets = this.$widgets); + + return $widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.options.serialize_params($w, $w.coords().grid); + }, this)).get(); + }; + + + /** + * Returns a serialized array of the widgets that have changed their + * position. + * + * @method serialize_changed + * @return {Array} Returns an Array of Objects with the data specified in + * the serialize_params option. + */ + fn.serialize_changed = function() { + return this.serialize(this.$changed); + }; + + + /** + * Convert widgets from DOM elements to "widget grid data" Objects. + * + * @method dom_to_coords + * @param {HTMLElement} $widget The widget to be converted. + */ + fn.dom_to_coords = function($widget) { + return { + 'col': parseInt($widget.attr('data-col'), 10), + 'row': parseInt($widget.attr('data-row'), 10), + 'size_x': parseInt($widget.attr('data-sizex'), 10) || 1, + 'size_y': parseInt($widget.attr('data-sizey'), 10) || 1, + 'max_size_x': parseInt($widget.attr('data-max-sizex'), 10) || false, + 'max_size_y': parseInt($widget.attr('data-max-sizey'), 10) || false, + 'min_size_x': parseInt($widget.attr('data-min-sizex'), 10) || false, + 'min_size_y': parseInt($widget.attr('data-min-sizey'), 10) || false, + 'el': $widget + }; + }; + + + /** + * Creates the grid coords object representing the widget an add it to the + * mapped array of positions. + * + * @method register_widget + * @param {HTMLElement|Object} $el jQuery wrapped HTMLElement representing + * the widget, or an "widget grid data" Object with (col, row, el ...). + * @return {Boolean} Returns true if the widget final position is different + * than the original. + */ + fn.register_widget = function($el) { + var isDOM = $el instanceof jQuery; + var wgd = isDOM ? this.dom_to_coords($el) : $el; + var posChanged = false; + isDOM || ($el = wgd.el); + + var empty_upper_row = this.can_go_widget_up(wgd); + if (empty_upper_row) { + wgd.row = empty_upper_row; + $el.attr('data-row', empty_upper_row); + this.$el.trigger('gridster:positionchanged', [wgd]); + posChanged = true; + } + + if (this.options.avoid_overlapped_widgets && + !this.can_move_to( + {size_x: wgd.size_x, size_y: wgd.size_y}, wgd.col, wgd.row) + ) { + $.extend(wgd, this.next_position(wgd.size_x, wgd.size_y)); + $el.attr({ + 'data-col': wgd.col, + 'data-row': wgd.row, + 'data-sizex': wgd.size_x, + 'data-sizey': wgd.size_y + }); + posChanged = true; + } + + // attach Coord object to player data-coord attribute + $el.data('coords', $el.coords()); + // Extend Coord object with grid position info + $el.data('coords').grid = wgd; + + this.add_to_gridmap(wgd, $el); + + this.options.resize.enabled && this.add_resize_handle($el); + + return posChanged; + }; + + + /** + * Update in the mapped array of positions the value of cells represented by + * the grid coords object passed in the `grid_data` param. + * + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value Pass `false` or the jQuery wrapped + * HTMLElement, depends if you want to delete an existing position or add + * a new one. + * @method update_widget_position + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.update_widget_position = function(grid_data, value) { + this.for_each_cell_occupied(grid_data, function(col, row) { + if (!this.gridmap[col]) { return this; } + this.gridmap[col][row] = value; + }); + return this; + }; + + + /** + * Remove a widget from the mapped array of positions. + * + * @method remove_from_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.remove_from_gridmap = function(grid_data) { + return this.update_widget_position(grid_data, false); + }; + + + /** + * Add a widget to the mapped array of positions. + * + * @method add_to_gridmap + * @param {Object} grid_data The grid coords object representing the cells + * to update in the mapped array. + * @param {HTMLElement|Boolean} value The value to set in the specified + * position . + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.add_to_gridmap = function(grid_data, value) { + this.update_widget_position(grid_data, value || grid_data.el); + + if (grid_data.el) { + var $widgets = this.widgets_below(grid_data.el); + $widgets.each($.proxy(function(i, widget) { + this.move_widget_up( $(widget)); + }, this)); + } + }; + + + /** + * Make widgets draggable. + * + * @uses Draggable + * @method draggable + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.draggable = function() { + var self = this; + var draggable_options = $.extend(true, {}, this.options.draggable, { + offset_left: this.options.widget_margins[0], + offset_top: this.options.widget_margins[1], + container_width: this.cols * this.min_widget_width, + limit: true, + start: function(event, ui) { + self.$widgets.filter('.player-revert') + .removeClass('player-revert'); + + self.$player = $(this); + self.$helper = $(ui.$helper); + + self.helper = !self.$helper.is(self.$player); + + self.on_start_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstart'); + }, + stop: function(event, ui) { + self.on_stop_drag.call(self, event, ui); + self.$el.trigger('gridster:dragstop'); + }, + drag: throttle(function(event, ui) { + self.on_drag.call(self, event, ui); + self.$el.trigger('gridster:drag'); + }, 60) + }); + + this.drag_api = this.$el.drag(draggable_options); + return this; + }; + + + /** + * Bind resize events to get resize working. + * + * @method resizable + * @return {Class} Returns instance of gridster Class. + */ + fn.resizable = function() { + this.resize_api = this.$el.drag({ + items: '.' + this.options.resize.handle_class, + offset_left: this.options.widget_margins[0], + container_width: this.container_width, + move_element: false, + resize: true, + limit: this.options.autogrow_cols ? false : true, + start: $.proxy(this.on_start_resize, this), + stop: $.proxy(function(event, ui) { + delay($.proxy(function() { + this.on_stop_resize(event, ui); + }, this), 120); + }, this), + drag: throttle($.proxy(this.on_resize, this), 60) + }); + + return this; + }; + + + /** + * Setup things required for resizing. Like build templates for drag handles. + * + * @method setup_resize + * @return {Class} Returns instance of gridster Class. + */ + fn.setup_resize = function() { + this.resize_handle_class = this.options.resize.handle_class; + var axes = this.options.resize.axes; + var handle_tpl = ''; + + this.resize_handle_tpl = $.map(axes, function(type) { + return handle_tpl.replace('{type}', type); + }).join(''); + + if ($.isArray(this.options.draggable.ignore_dragging)) { + this.options.draggable.ignore_dragging.push( + '.' + this.resize_handle_class); + } + + return this; + }; + + + /** + * This function is executed when the player begins to be dragged. + * + * @method on_start_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper).addClass('dragging'); + + this.highest_col = this.get_highest_occupied_cell().col; + + this.$player.addClass('player'); + this.player_grid_data = this.$player.coords().grid; + this.placeholder_grid_data = $.extend({}, this.player_grid_data); + + this.set_dom_grid_height(this.$el.height() + + (this.player_grid_data.size_y * this.min_widget_height)); + + this.set_dom_grid_width(this.cols); + + var pgd_sizex = this.player_grid_data.size_x; + var cols_diff = this.cols - this.highest_col; + + if (this.options.autogrow_cols && cols_diff <= pgd_sizex) { + this.add_faux_cols(Math.min(pgd_sizex - cols_diff, 1)); + } + + var colliders = this.faux_grid; + var coords = this.$player.data('coords').coords; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.last_cols = []; + this.last_rows = []; + + // see jquery.collision.js + this.collision_api = this.$helper.collision( + colliders, this.options.collision); + + this.$preview_holder = $('<' + this.$player.get(0).tagName + ' />', { + 'class': 'preview-holder', + 'data-row': this.$player.attr('data-row'), + 'data-col': this.$player.attr('data-col'), + css: { + width: coords.width, + height: coords.height + } + }).appendTo(this.$el); + + if (this.options.draggable.start) { + this.options.draggable.start.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player is being dragged. + * + * @method on_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_drag = function(event, ui) { + //break if dragstop has been fired + if (this.$player === null) { + return false; + } + + var abs_offset = { + left: ui.position.left + this.baseX, + top: ui.position.top + this.baseY + }; + + // auto grow cols + if (this.options.autogrow_cols) { + var prcol = this.placeholder_grid_data.col + + this.placeholder_grid_data.size_x - 1; + + // "- 1" due to adding at least 1 column in on_start_drag + if (prcol >= this.cols - 1 && this.options.max_cols >= this.cols + 1) { + this.add_faux_cols(1); + this.set_dom_grid_width(this.cols + 1); + this.drag_api.set_limits(this.container_width); + } + + this.collision_api.set_colliders(this.faux_grid); + } + + this.colliders_data = this.collision_api.get_closest_colliders( + abs_offset); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, this.on_stop_overlapping_column); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, this.on_stop_overlapping_row); + + + if (this.helper && this.$player) { + this.$player.css({ + 'left': ui.position.left, + 'top': ui.position.top + }); + } + + if (this.options.draggable.drag) { + this.options.draggable.drag.call(this, event, ui); + } + }; + + + /** + * This function is executed when the player stops being dragged. + * + * @method on_stop_drag + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_drag = function(event, ui) { + this.$helper.add(this.$player).add(this.$wrapper) + .removeClass('dragging'); + + ui.position.left = ui.position.left + this.baseX; + ui.position.top = ui.position.top + this.baseY; + this.colliders_data = this.collision_api.get_closest_colliders( + ui.position); + + this.on_overlapped_column_change( + this.on_start_overlapping_column, + this.on_stop_overlapping_column + ); + + this.on_overlapped_row_change( + this.on_start_overlapping_row, + this.on_stop_overlapping_row + ); + + this.$player.addClass('player-revert').removeClass('player') + .attr({ + 'data-col': this.placeholder_grid_data.col, + 'data-row': this.placeholder_grid_data.row + }).css({ + 'left': '', + 'top': '' + }); + + this.$changed = this.$changed.add(this.$player); + + this.cells_occupied_by_player = this.get_cells_occupied( + this.placeholder_grid_data); + this.set_cells_player_occupies( + this.placeholder_grid_data.col, this.placeholder_grid_data.row); + + this.$player.coords().grid.row = this.placeholder_grid_data.row; + this.$player.coords().grid.col = this.placeholder_grid_data.col; + + if (this.options.draggable.stop) { + this.options.draggable.stop.call(this, event, ui); + } + + this.$preview_holder.remove(); + + this.$player = null; + this.$helper = null; + this.placeholder_grid_data = {}; + this.player_grid_data = {}; + this.cells_occupied_by_placeholder = {}; + this.cells_occupied_by_player = {}; + + this.set_dom_grid_height(); + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed every time a widget starts to be resized. + * + * @method on_start_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_start_resize = function(event, ui) { + this.$resized_widget = ui.$player.closest('.gs-w'); + this.resize_coords = this.$resized_widget.coords(); + this.resize_wgd = this.resize_coords.grid; + this.resize_initial_width = this.resize_coords.coords.width; + this.resize_initial_height = this.resize_coords.coords.height; + this.resize_initial_sizex = this.resize_coords.grid.size_x; + this.resize_initial_sizey = this.resize_coords.grid.size_y; + this.resize_initial_col = this.resize_coords.grid.col; + this.resize_last_sizex = this.resize_initial_sizex; + this.resize_last_sizey = this.resize_initial_sizey; + + this.resize_max_size_x = Math.min(this.resize_wgd.max_size_x || + this.options.resize.max_size[0], + this.options.max_cols - this.resize_initial_col + 1); + this.resize_max_size_y = this.resize_wgd.max_size_y || + this.options.resize.max_size[1]; + + this.resize_min_size_x = (this.resize_wgd.min_size_x || + this.options.resize.min_size[0] || 1); + this.resize_min_size_y = (this.resize_wgd.min_size_y || + this.options.resize.min_size[1] || 1); + + this.resize_initial_last_col = this.get_highest_occupied_cell().col; + + this.set_dom_grid_width(this.cols); + + this.resize_dir = { + right: ui.$player.is('.' + this.resize_handle_class + '-x'), + bottom: ui.$player.is('.' + this.resize_handle_class + '-y') + }; + + this.$resized_widget.css({ + 'min-width': this.options.widget_base_dimensions[0], + 'min-height': this.options.widget_base_dimensions[1] + }); + + var nodeName = this.$resized_widget.get(0).tagName; + this.$resize_preview_holder = $('<' + nodeName + ' />', { + 'class': 'preview-holder resize-preview-holder', + 'data-row': this.$resized_widget.attr('data-row'), + 'data-col': this.$resized_widget.attr('data-col'), + 'css': { + 'width': this.resize_initial_width, + 'height': this.resize_initial_height + } + }).appendTo(this.$el); + + this.$resized_widget.addClass('resizing'); + + if (this.options.resize.start) { + this.options.resize.start.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestart'); + }; + + + /** + * This function is executed every time a widget stops being resized. + * + * @method on_stop_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_stop_resize = function(event, ui) { + this.$resized_widget + .removeClass('resizing') + .css({ + 'width': '', + 'height': '' + }); + + delay($.proxy(function() { + this.$resize_preview_holder + .remove() + .css({ + 'min-width': '', + 'min-height': '' + }); + + if (this.options.resize.stop) { + this.options.resize.stop.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resizestop'); + }, this), 300); + + this.set_dom_grid_width(); + + if (this.options.autogrow_cols) { + this.drag_api.set_limits(this.cols * this.min_widget_width); + } + }; + + + /** + * This function is executed when a widget is being resized. + * + * @method on_resize + * @param {Event} event The original browser event + * @param {Object} ui A prepared ui object with useful drag-related data + */ + fn.on_resize = function(event, ui) { + var rel_x = (ui.pointer.diff_left); + var rel_y = (ui.pointer.diff_top); + var wbd_x = this.options.widget_base_dimensions[0]; + var wbd_y = this.options.widget_base_dimensions[1]; + var margin_x = this.options.widget_margins[0]; + var margin_y = this.options.widget_margins[1]; + var max_size_x = this.resize_max_size_x; + var min_size_x = this.resize_min_size_x; + var max_size_y = this.resize_max_size_y; + var min_size_y = this.resize_min_size_y; + var autogrow = this.options.autogrow_cols; + var width; + var max_width = Infinity; + var max_height = Infinity; + + var inc_units_x = Math.ceil((rel_x / (wbd_x + margin_x * 2)) - 0.2); + var inc_units_y = Math.ceil((rel_y / (wbd_y + margin_y * 2)) - 0.2); + + var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x); + var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y); + + var max_cols = (this.container_width / this.min_widget_width) - + this.resize_initial_col + 1; + var limit_width = ((max_cols * this.min_widget_width) - margin_x * 2); + + size_x = Math.max(Math.min(size_x, max_size_x), min_size_x); + size_x = Math.min(max_cols, size_x); + width = (max_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + max_width = Math.min(width, limit_width); + min_width = (min_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); + + size_y = Math.max(Math.min(size_y, max_size_y), min_size_y); + max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); + + if (this.resize_dir.right) { + size_y = this.resize_initial_sizey; + } else if (this.resize_dir.bottom) { + size_x = this.resize_initial_sizex; + } + + if (autogrow) { + var last_widget_col = this.resize_initial_col + size_x - 1; + if (autogrow && this.resize_initial_last_col <= last_widget_col) { + this.set_dom_grid_width(Math.max(last_widget_col + 1, this.cols)); + + if (this.cols < last_widget_col) { + this.add_faux_cols(last_widget_col - this.cols); + } + } + } + + var css_props = {}; + !this.resize_dir.bottom && (css_props.width = Math.max(Math.min( + this.resize_initial_width + rel_x, max_width), min_width)); + !this.resize_dir.right && (css_props.height = Math.max(Math.min( + this.resize_initial_height + rel_y, max_height), min_height)); + + this.$resized_widget.css(css_props); + + if (size_x !== this.resize_last_sizex || + size_y !== this.resize_last_sizey) { + + this.resize_widget(this.$resized_widget, size_x, size_y); + this.set_dom_grid_width(this.cols); + + this.$resize_preview_holder.css({ + 'width': '', + 'height': '' + }).attr({ + 'data-row': this.$resized_widget.attr('data-row'), + 'data-sizex': size_x, + 'data-sizey': size_y + }); + } + + if (this.options.resize.resize) { + this.options.resize.resize.call(this, event, ui, this.$resized_widget); + } + + this.$el.trigger('gridster:resize'); + + this.resize_last_sizex = size_x; + this.resize_last_sizey = size_y; + }; + + + /** + * Executes the callbacks passed as arguments when a column begins to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new column + * begins to be overlapped. The column is passed as first argument. + * @param {Function} stop_callback Function executed when a column stops + * being overlapped. The column is passed as first argument. + * @method on_overlapped_column_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_column_change = function(start_callback, stop_callback) { + if (!this.colliders_data.length) { + return this; + } + var cols = this.get_targeted_columns( + this.colliders_data[0].el.data.col); + + var last_n_cols = this.last_cols.length; + var n_cols = cols.length; + var i; + + for (i = 0; i < n_cols; i++) { + if ($.inArray(cols[i], this.last_cols) === -1) { + (start_callback || $.noop).call(this, cols[i]); + } + } + + for (i = 0; i< last_n_cols; i++) { + if ($.inArray(this.last_cols[i], cols) === -1) { + (stop_callback || $.noop).call(this, this.last_cols[i]); + } + } + + this.last_cols = cols; + + return this; + }; + + + /** + * Executes the callbacks passed as arguments when a row starts to be + * overlapped or stops being overlapped. + * + * @param {Function} start_callback Function executed when a new row begins + * to be overlapped. The row is passed as first argument. + * @param {Function} end_callback Function executed when a row stops being + * overlapped. The row is passed as first argument. + * @method on_overlapped_row_change + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.on_overlapped_row_change = function(start_callback, end_callback) { + if (!this.colliders_data.length) { + return this; + } + var rows = this.get_targeted_rows(this.colliders_data[0].el.data.row); + var last_n_rows = this.last_rows.length; + var n_rows = rows.length; + var i; + + for (i = 0; i < n_rows; i++) { + if ($.inArray(rows[i], this.last_rows) === -1) { + (start_callback || $.noop).call(this, rows[i]); + } + } + + for (i = 0; i < last_n_rows; i++) { + if ($.inArray(this.last_rows[i], rows) === -1) { + (end_callback || $.noop).call(this, this.last_rows[i]); + } + } + + this.last_rows = rows; + }; + + + /** + * Sets the current position of the player + * + * @param {Number} col + * @param {Number} row + * @param {Boolean} no_player + * @method set_player + * @return {object} + */ + fn.set_player = function(col, row, no_player) { + var self = this; + if (!no_player) { + this.empty_cells_player_occupies(); + } + var cell = !no_player ? self.colliders_data[0].el.data : {col: col}; + var to_col = cell.col; + var to_row = row || cell.row; + + this.player_grid_data = { + col: to_col, + row: to_row, + size_y : this.player_grid_data.size_y, + size_x : this.player_grid_data.size_x + }; + + this.cells_occupied_by_player = this.get_cells_occupied( + this.player_grid_data); + + var $overlapped_widgets = this.get_widgets_overlapped( + this.player_grid_data); + + var constraints = this.widgets_constraints($overlapped_widgets); + + this.manage_movements(constraints.can_go_up, to_col, to_row); + this.manage_movements(constraints.can_not_go_up, to_col, to_row); + + /* if there is not widgets overlapping in the new player position, + * update the new placeholder position. */ + if (!$overlapped_widgets.length) { + var pp = this.can_go_player_up(this.player_grid_data); + if (pp !== false) { + to_row = pp; + } + this.set_placeholder(to_col, to_row); + } + + return { + col: to_col, + row: to_row + }; + }; + + + /** + * See which of the widgets in the $widgets param collection can go to + * a upper row and which not. + * + * @method widgets_contraints + * @param {jQuery} $widgets A jQuery wrapped collection of + * HTMLElements. + * @return {object} Returns a literal Object with two keys: `can_go_up` & + * `can_not_go_up`. Each contains a set of HTMLElements. + */ + fn.widgets_constraints = function($widgets) { + var $widgets_can_go_up = $([]); + var $widgets_can_not_go_up; + var wgd_can_go_up = []; + var wgd_can_not_go_up = []; + + $widgets.each($.proxy(function(i, w) { + var $w = $(w); + var wgd = $w.coords().grid; + if (this.can_go_widget_up(wgd)) { + $widgets_can_go_up = $widgets_can_go_up.add($w); + wgd_can_go_up.push(wgd); + } else { + wgd_can_not_go_up.push(wgd); + } + }, this)); + + $widgets_can_not_go_up = $widgets.not($widgets_can_go_up); + + return { + can_go_up: Gridster.sort_by_row_asc(wgd_can_go_up), + can_not_go_up: Gridster.sort_by_row_desc(wgd_can_not_go_up) + }; + }; + + + /** + * Sorts an Array of grid coords objects (representing the grid coords of + * each widget) in descending way. + * + * @method manage_movements + * @param {jQuery} $widgets A jQuery collection of HTMLElements + * representing the widgets you want to move. + * @param {Number} to_col The column to which we want to move the widgets. + * @param {Number} to_row The row to which we want to move the widgets. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.manage_movements = function($widgets, to_col, to_row) { + $.each($widgets, $.proxy(function(i, w) { + var wgd = w; + var $w = wgd.el; + + var can_go_widget_up = this.can_go_widget_up(wgd); + + if (can_go_widget_up) { + //target CAN go up + //so move widget up + this.move_widget_to($w, can_go_widget_up); + this.set_placeholder(to_col, can_go_widget_up + wgd.size_y); + + } else { + //target can't go up + var can_go_player_up = this.can_go_player_up( + this.player_grid_data); + + if (!can_go_player_up) { + // target can't go up + // player cant't go up + // so we need to move widget down to a position that dont + // overlaps player + var y = (to_row + this.player_grid_data.size_y) - wgd.row; + + this.move_widget_down($w, y); + this.set_placeholder(to_col, to_row); + } + } + }, this)); + + return this; + }; + + /** + * Determines if there is a widget in the row and col given. Or if the + * HTMLElement passed as first argument is the player. + * + * @method is_player + * @param {Number|HTMLElement} col_or_el A jQuery wrapped collection of + * HTMLElements. + * @param {Number} [row] The column to which we want to move the widgets. + * @return {Boolean} Returns true or false. + */ + fn.is_player = function(col_or_el, row) { + if (row && !this.gridmap[col_or_el]) { return false; } + var $w = row ? this.gridmap[col_or_el][row] : col_or_el; + return $w && ($w.is(this.$player) || $w.is(this.$helper)); + }; + + + /** + * Determines if the widget that is being dragged is currently over the row + * and col given. + * + * @method is_player_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_player_in = function(col, row) { + var c = this.cells_occupied_by_player || {}; + return $.inArray(col, c.cols) >= 0 && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the row and col given. + * + * @method is_placeholder_in + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in = function(col, row) { + var c = this.cells_occupied_by_placeholder || {}; + return this.is_placeholder_in_col(col) && $.inArray(row, c.rows) >= 0; + }; + + + /** + * Determines if the placeholder is currently over the column given. + * + * @method is_placeholder_in_col + * @param {Number} col The column to check. + * @return {Boolean} Returns true or false. + */ + fn.is_placeholder_in_col = function(col) { + var c = this.cells_occupied_by_placeholder || []; + return $.inArray(col, c.cols) >= 0; + }; + + + /** + * Determines if the cell represented by col and row params is empty. + * + * @method is_empty + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_empty = function(col, row) { + if (typeof this.gridmap[col] !== 'undefined') { + if(typeof this.gridmap[col][row] !== 'undefined' && + this.gridmap[col][row] === false + ) { + return true; + } + return false; + } + return true; + }; + + + /** + * Determines if the cell represented by col and row params is occupied. + * + * @method is_occupied + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_occupied = function(col, row) { + if (!this.gridmap[col]) { + return false; + } + + if (this.gridmap[col][row]) { + return true; + } + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row params. + * + * @method is_widget + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean|HTMLElement} Returns false if there is no widget, + * else returns the jQuery HTMLElement + */ + fn.is_widget = function(col, row) { + var cell = this.gridmap[col]; + if (!cell) { + return false; + } + + cell = cell[row]; + + if (cell) { + return cell; + } + + return false; + }; + + + /** + * Determines if there is a widget in the cell represented by col/row + * params and if this is under the widget that is being dragged. + * + * @method is_widget_under_player + * @param {Number} col The column to check. + * @param {Number} row The row to check. + * @return {Boolean} Returns true or false. + */ + fn.is_widget_under_player = function(col, row) { + if (this.is_widget(col, row)) { + return this.is_player_in(col, row); + } + return false; + }; + + + /** + * Get widgets overlapping with the player or with the object passed + * representing the grid cells. + * + * @method get_widgets_under_player + * @return {HTMLElement} Returns a jQuery collection of HTMLElements + */ + fn.get_widgets_under_player = function(cells) { + cells || (cells = this.cells_occupied_by_player || {cols: [], rows: []}); + var $widgets = $([]); + + $.each(cells.cols, $.proxy(function(i, col) { + $.each(cells.rows, $.proxy(function(i, row) { + if(this.is_widget(col, row)) { + $widgets = $widgets.add(this.gridmap[col][row]); + } + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * Put placeholder at the row and column specified. + * + * @method set_placeholder + * @param {Number} col The column to which we want to move the + * placeholder. + * @param {Number} row The row to which we want to move the + * placeholder. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_placeholder = function(col, row) { + var phgd = $.extend({}, this.placeholder_grid_data); + var $nexts = this.widgets_below({ + col: phgd.col, + row: phgd.row, + size_y: phgd.size_y, + size_x: phgd.size_x + }); + + // Prevents widgets go out of the grid + var right_col = (col + phgd.size_x - 1); + if (right_col > this.cols) { + col = col - (right_col - col); + } + + var moved_down = this.placeholder_grid_data.row < row; + var changed_column = this.placeholder_grid_data.col !== col; + + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + + this.cells_occupied_by_placeholder = this.get_cells_occupied( + this.placeholder_grid_data); + + this.$preview_holder.attr({ + 'data-row' : row, + 'data-col' : col + }); + + if (moved_down || changed_column) { + $nexts.each($.proxy(function(i, widget) { + this.move_widget_up( + $(widget), this.placeholder_grid_data.col - col + phgd.size_y); + }, this)); + } + + var $widgets_under_ph = this.get_widgets_under_player( + this.cells_occupied_by_placeholder); + + if ($widgets_under_ph.length) { + $widgets_under_ph.each($.proxy(function(i, widget) { + var $w = $(widget); + this.move_widget_down( + $w, row + phgd.size_y - $w.data('coords').grid.row); + }, this)); + } + + }; + + + /** + * Determines whether the player can move to a position above. + * + * @method can_go_player_up + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @return {Number|Boolean} If the player can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_player_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + var $widgets_under_player = this.get_widgets_under_player(); + + /* generate an array with columns as index and array with upper rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + var r = p_bottom_row + 1; + upper_rows[tcol] = []; + + while (--r > 0) { + if (this.is_empty(tcol, r) || this.is_player(tcol, r) || + this.is_widget(tcol, r) && + grid_col[r].is($widgets_under_player) + ) { + upper_rows[tcol].push(r); + min_row = r < min_row ? r : min_row; + } else { + break; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Determines whether a widget can move to a position above. + * + * @method can_go_widget_up + * @param {Object} widget_grid_data The actual grid coords object of the + * widget we want to check. + * @return {Number|Boolean} If the widget can be moved to an upper row + * returns the row number, else returns false. + */ + fn.can_go_widget_up = function(widget_grid_data) { + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var result = true; + var upper_rows = []; + var min_row = 10000; + + /* generate an array with columns as index and array with topmost rows + * empty as value */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = this.gridmap[tcol]; + upper_rows[tcol] = []; + + var r = p_bottom_row + 1; + // iterate over each row + while (--r > 0) { + if (this.is_widget(tcol, r) && !this.is_player_in(tcol, r)) { + if (!grid_col[r].is(widget_grid_data.el)) { + break; + } + } + + if (!this.is_player(tcol, r) && + !this.is_placeholder_in(tcol, r) && + !this.is_player_in(tcol, r)) { + upper_rows[tcol].push(r); + } + + if (r < min_row) { + min_row = r; + } + } + + if (upper_rows[tcol].length === 0) { + result = false; + return true; //break + } + + upper_rows[tcol].sort(function(a, b) { + return a - b; + }); + }); + + if (!result) { return false; } + + return this.get_valid_rows(widget_grid_data, upper_rows, min_row); + }; + + + /** + * Search a valid row for the widget represented by `widget_grid_data' in + * the `upper_rows` array. Iteration starts from row specified in `min_row`. + * + * @method get_valid_rows + * @param {Object} widget_grid_data The actual grid coords object of the + * player. + * @param {Array} upper_rows An array with columns as index and arrays + * of valid rows as values. + * @param {Number} min_row The upper row from which the iteration will start. + * @return {Number|Boolean} Returns the upper row valid from the `upper_rows` + * for the widget in question. + */ + fn.get_valid_rows = function(widget_grid_data, upper_rows, min_row) { + var p_top_row = widget_grid_data.row; + var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; + var size_y = widget_grid_data.size_y; + var r = min_row - 1; + var valid_rows = []; + + while (++r <= p_bottom_row ) { + var common = true; + $.each(upper_rows, function(col, rows) { + if ($.isArray(rows) && $.inArray(r, rows) === -1) { + common = false; + } + }); + + if (common === true) { + valid_rows.push(r); + if (valid_rows.length === size_y) { + break; + } + } + } + + var new_row = false; + if (size_y === 1) { + if (valid_rows[0] !== p_top_row) { + new_row = valid_rows[0] || false; + } + } else { + if (valid_rows[0] !== p_top_row) { + new_row = this.get_consecutive_numbers_index( + valid_rows, size_y); + } + } + + return new_row; + }; + + + fn.get_consecutive_numbers_index = function(arr, size_y) { + var max = arr.length; + var result = []; + var first = true; + var prev = -1; // or null? + + for (var i=0; i < max; i++) { + if (first || arr[i] === prev + 1) { + result.push(i); + if (result.length === size_y) { + break; + } + first = false; + } else { + result = []; + first = true; + } + + prev = arr[i]; + } + + return result.length >= size_y ? arr[result[0]] : false; + }; + + + /** + * Get widgets overlapping with the player. + * + * @method get_widgets_overlapped + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.get_widgets_overlapped = function() { + var $w; + var $widgets = $([]); + var used = []; + var rows_from_bottom = this.cells_occupied_by_player.rows.slice(0); + rows_from_bottom.reverse(); + + $.each(this.cells_occupied_by_player.cols, $.proxy(function(i, col) { + $.each(rows_from_bottom, $.proxy(function(i, row) { + // if there is a widget in the player position + if (!this.gridmap[col]) { return true; } //next iteration + var $w = this.gridmap[col][row]; + if (this.is_occupied(col, row) && !this.is_player($w) && + $.inArray($w, used) === -1 + ) { + $widgets = $widgets.add($w); + used.push($w); + } + + }, this)); + }, this)); + + return $widgets; + }; + + + /** + * This callback is executed when the player begins to collide with a column. + * + * @method on_start_overlapping_column + * @param {Number} col The collided column. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_column = function(col) { + this.set_player(col, false); + }; + + + /** + * A callback executed when the player begins to collide with a row. + * + * @method on_start_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_start_overlapping_row = function(row) { + this.set_player(false, row); + }; + + + /** + * A callback executed when the the player ends to collide with a column. + * + * @method on_stop_overlapping_column + * @param {Number} col The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_column = function(col) { + this.set_player(col, false); + + var self = this; + this.for_each_widget_below(col, this.cells_occupied_by_player.rows[0], + function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + }; + + + /** + * This callback is executed when the player ends to collide with a row. + * + * @method on_stop_overlapping_row + * @param {Number} row The collided row. + * @return {jQuery} Returns a jQuery collection of HTMLElements. + */ + fn.on_stop_overlapping_row = function(row) { + this.set_player(false, row); + + var self = this; + var cols = this.cells_occupied_by_player.cols; + for (var c = 0, cl = cols.length; c < cl; c++) { + this.for_each_widget_below(cols[c], row, function(tcol, trow) { + self.move_widget_up(this, self.player_grid_data.size_y); + }); + } + }; + + + /** + * Move a widget to a specific row. The cell or cells must be empty. + * If the widget has widgets below, all of these widgets will be moved also + * if they can. + * + * @method move_widget_to + * @param {HTMLElement} $widget The jQuery wrapped HTMLElement of the + * widget is going to be moved. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_to = function($widget, row) { + var self = this; + var widget_grid_data = $widget.coords().grid; + var diff = row - widget_grid_data.row; + var $next_widgets = this.widgets_below($widget); + + var can_move_to_new_cell = this.can_move_to( + widget_grid_data, widget_grid_data.col, row, $widget); + + if (can_move_to_new_cell === false) { + return false; + } + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', row); + this.$changed = this.$changed.add($widget); + + + $next_widgets.each(function(i, widget) { + var $w = $(widget); + var wgd = $w.coords().grid; + var can_go_up = self.can_go_widget_up(wgd); + if (can_go_up && can_go_up !== wgd.row) { + self.move_widget_to($w, can_go_up); + } + }); + + return this; + }; + + + /** + * Move up the specified widget and all below it. + * + * @method move_widget_up + * @param {HTMLElement} $widget The widget you want to move. + * @param {Number} [y_units] The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_up = function($widget, y_units) { + var el_grid_data = $widget.coords().grid; + var actual_row = el_grid_data.row; + var moved = []; + var can_go_up = true; + y_units || (y_units = 1); + + if (!this.can_go_up($widget)) { return false; } //break; + + this.for_each_column_occupied(el_grid_data, function(col) { + // can_go_up + if ($.inArray($widget, moved) === -1) { + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row - y_units; + next_row = this.can_go_up_to_row( + widget_grid_data, col, next_row); + + if (!next_row) { + return true; + } + + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + widget_grid_data.row = next_row; + this.add_to_gridmap(widget_grid_data); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + + $next_widgets.each($.proxy(function(i, widget) { + this.move_widget_up($(widget), y_units); + }, this)); + } + }); + + }; + + + /** + * Move down the specified widget and all below it. + * + * @method move_widget_down + * @param {jQuery} $widget The jQuery object representing the widget + * you want to move. + * @param {Number} y_units The number of cells that the widget has to move. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.move_widget_down = function($widget, y_units) { + var el_grid_data, actual_row, moved, y_diff; + + if (y_units <= 0) { return false; } + + el_grid_data = $widget.coords().grid; + actual_row = el_grid_data.row; + moved = []; + y_diff = y_units; + + if (!$widget) { return false; } + + if ($.inArray($widget, moved) === -1) { + + var widget_grid_data = $widget.coords().grid; + var next_row = actual_row + y_units; + var $next_widgets = this.widgets_below($widget); + + this.remove_from_gridmap(widget_grid_data); + + $next_widgets.each($.proxy(function(i, widget) { + var $w = $(widget); + var wd = $w.coords().grid; + var tmp_y = this.displacement_diff( + wd, widget_grid_data, y_diff); + + if (tmp_y > 0) { + this.move_widget_down($w, tmp_y); + } + }, this)); + + widget_grid_data.row = next_row; + this.update_widget_position(widget_grid_data, $widget); + $widget.attr('data-row', widget_grid_data.row); + this.$changed = this.$changed.add($widget); + + moved.push($widget); + } + }; + + + /** + * Check if the widget can move to the specified row, else returns the + * upper row possible. + * + * @method can_go_up_to_row + * @param {Number} widget_grid_data The current grid coords object of the + * widget. + * @param {Number} col The target column. + * @param {Number} row The target row. + * @return {Boolean|Number} Returns the row number if the widget can move + * to the target position, else returns false. + */ + fn.can_go_up_to_row = function(widget_grid_data, col, row) { + var ga = this.gridmap; + var result = true; + var urc = []; // upper_rows_in_columns + var actual_row = widget_grid_data.row; + var r; + + /* generate an array with columns as index and array with + * upper rows empty in the column */ + this.for_each_column_occupied(widget_grid_data, function(tcol) { + var grid_col = ga[tcol]; + urc[tcol] = []; + + r = actual_row; + while (r--) { + if (this.is_empty(tcol, r) && + !this.is_placeholder_in(tcol, r) + ) { + urc[tcol].push(r); + } else { + break; + } + } + + if (!urc[tcol].length) { + result = false; + return true; + } + + }); + + if (!result) { return false; } + + /* get common rows starting from upper position in all the columns + * that widget occupies */ + r = row; + for (r = 1; r < actual_row; r++) { + var common = true; + + for (var uc = 0, ucl = urc.length; uc < ucl; uc++) { + if (urc[uc] && $.inArray(r, urc[uc]) === -1) { + common = false; + } + } + + if (common === true) { + result = r; + break; + } + } + + return result; + }; + + + fn.displacement_diff = function(widget_grid_data, parent_bgd, y_units) { + var actual_row = widget_grid_data.row; + var diffs = []; + var parent_max_y = parent_bgd.row + parent_bgd.size_y; + + this.for_each_column_occupied(widget_grid_data, function(col) { + var temp_y_units = 0; + + for (var r = parent_max_y; r < actual_row; r++) { + if (this.is_empty(col, r)) { + temp_y_units = temp_y_units + 1; + } + } + + diffs.push(temp_y_units); + }); + + var max_diff = Math.max.apply(Math, diffs); + y_units = (y_units - max_diff); + + return y_units > 0 ? y_units : 0; + }; + + + /** + * Get widgets below a widget. + * + * @method widgets_below + * @param {HTMLElement} $el The jQuery wrapped HTMLElement. + * @return {jQuery} A jQuery collection of HTMLElements. + */ + fn.widgets_below = function($el) { + var el_grid_data = $.isPlainObject($el) ? $el : $el.coords().grid; + var self = this; + var ga = this.gridmap; + var next_row = el_grid_data.row + el_grid_data.size_y - 1; + var $nexts = $([]); + + this.for_each_column_occupied(el_grid_data, function(col) { + self.for_each_widget_below(col, next_row, function(tcol, trow) { + if (!self.is_player(this) && $.inArray(this, $nexts) === -1) { + $nexts = $nexts.add(this); + return true; // break + } + }); + }); + + return Gridster.sort_by_row_asc($nexts); + }; + + + /** + * Update the array of mapped positions with the new player position. + * + * @method set_cells_player_occupies + * @param {Number} col The new player col. + * @param {Number} col The new player row. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.set_cells_player_occupies = function(col, row) { + this.remove_from_gridmap(this.placeholder_grid_data); + this.placeholder_grid_data.col = col; + this.placeholder_grid_data.row = row; + this.add_to_gridmap(this.placeholder_grid_data, this.$player); + return this; + }; + + + /** + * Remove from the array of mapped positions the reference to the player. + * + * @method empty_cells_player_occupies + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.empty_cells_player_occupies = function() { + this.remove_from_gridmap(this.placeholder_grid_data); + return this; + }; + + + fn.can_go_up = function($el) { + var el_grid_data = $el.coords().grid; + var initial_row = el_grid_data.row; + var prev_row = initial_row - 1; + var ga = this.gridmap; + var upper_rows_by_column = []; + + var result = true; + if (initial_row === 1) { return false; } + + this.for_each_column_occupied(el_grid_data, function(col) { + var $w = this.is_widget(col, prev_row); + + if (this.is_occupied(col, prev_row) || + this.is_player(col, prev_row) || + this.is_placeholder_in(col, prev_row) || + this.is_player_in(col, prev_row) + ) { + result = false; + return true; //break + } + }); + + return result; + }; + + + /** + * Check if it's possible to move a widget to a specific col/row. It takes + * into account the dimensions (`size_y` and `size_x` attrs. of the grid + * coords object) the widget occupies. + * + * @method can_move_to + * @param {Object} widget_grid_data The grid coords object that represents + * the widget. + * @param {Object} col The col to check. + * @param {Object} row The row to check. + * @param {Number} [max_row] The max row allowed. + * @return {Boolean} Returns true if all cells are empty, else return false. + */ + fn.can_move_to = function(widget_grid_data, col, row, max_row) { + var ga = this.gridmap; + var $w = widget_grid_data.el; + var future_wd = { + size_y: widget_grid_data.size_y, + size_x: widget_grid_data.size_x, + col: col, + row: row + }; + var result = true; + + //Prevents widgets go out of the grid + var right_col = col + widget_grid_data.size_x - 1; + if (right_col > this.cols) { + return false; + } + + if (max_row && max_row < row + widget_grid_data.size_y - 1) { + return false; + } + + this.for_each_cell_occupied(future_wd, function(tcol, trow) { + var $tw = this.is_widget(tcol, trow); + if ($tw && (!widget_grid_data.el || $tw.is($w))) { + result = false; + } + }); + + return result; + }; + + + /** + * Given the leftmost column returns all columns that are overlapping + * with the player. + * + * @method get_targeted_columns + * @param {Number} [from_col] The leftmost column. + * @return {Array} Returns an array with column numbers. + */ + fn.get_targeted_columns = function(from_col) { + var max = (from_col || this.player_grid_data.col) + + (this.player_grid_data.size_x - 1); + var cols = []; + for (var col = from_col; col <= max; col++) { + cols.push(col); + } + return cols; + }; + + + /** + * Given the upper row returns all rows that are overlapping with the player. + * + * @method get_targeted_rows + * @param {Number} [from_row] The upper row. + * @return {Array} Returns an array with row numbers. + */ + fn.get_targeted_rows = function(from_row) { + var max = (from_row || this.player_grid_data.row) + + (this.player_grid_data.size_y - 1); + var rows = []; + for (var row = from_row; row <= max; row++) { + rows.push(row); + } + return rows; + }; + + /** + * Get all columns and rows that a widget occupies. + * + * @method get_cells_occupied + * @param {Object} el_grid_data The grid coords object of the widget. + * @return {Object} Returns an object like `{ cols: [], rows: []}`. + */ + fn.get_cells_occupied = function(el_grid_data) { + var cells = { cols: [], rows: []}; + var i; + if (arguments[1] instanceof $) { + el_grid_data = arguments[1].coords().grid; + } + + for (i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + cells.cols.push(col); + } + + for (i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + cells.rows.push(row); + } + + return cells; + }; + + + /** + * Iterate over the cells occupied by a widget executing a function for + * each one. + * + * @method for_each_cell_occupied + * @param {Object} el_grid_data The grid coords object that represents the + * widget. + * @param {Function} callback The function to execute on each column + * iteration. Column and row are passed as arguments. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_cell_occupied = function(grid_data, callback) { + this.for_each_column_occupied(grid_data, function(col) { + this.for_each_row_occupied(grid_data, function(row) { + callback.call(this, col, row); + }); + }); + return this; + }; + + + /** + * Iterate over the columns occupied by a widget executing a function for + * each one. + * + * @method for_each_column_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The column number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_column_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_x; i++) { + var col = el_grid_data.col + i; + callback.call(this, col, el_grid_data); + } + }; + + + /** + * Iterate over the rows occupied by a widget executing a function for + * each one. + * + * @method for_each_row_occupied + * @param {Object} el_grid_data The grid coords object that represents + * the widget. + * @param {Function} callback The function to execute on each column + * iteration. The row number is passed as first argument. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_row_occupied = function(el_grid_data, callback) { + for (var i = 0; i < el_grid_data.size_y; i++) { + var row = el_grid_data.row + i; + callback.call(this, row, el_grid_data); + } + }; + + + + fn._traversing_widgets = function(type, direction, col, row, callback) { + var ga = this.gridmap; + if (!ga[col]) { return; } + + var cr, max; + var action = type + '/' + direction; + if (arguments[2] instanceof $) { + var el_grid_data = arguments[2].coords().grid; + col = el_grid_data.col; + row = el_grid_data.row; + callback = arguments[3]; + } + var matched = []; + var trow = row; + + + var methods = { + 'for_each/above': function() { + while (trow--) { + if (trow > 0 && this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + }, + 'for_each/below': function() { + for (trow = row + 1, max = ga[col].length; trow < max; trow++) { + if (this.is_widget(col, trow) && + $.inArray(ga[col][trow], matched) === -1 + ) { + cr = callback.call(ga[col][trow], col, trow); + matched.push(ga[col][trow]); + if (cr) { break; } + } + } + } + }; + + if (methods[action]) { + methods[action].call(this); + } + }; + + + /** + * Iterate over each widget above the column and row specified. + * + * @method for_each_widget_above + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery + * wrapped HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_above = function(col, row, callback) { + this._traversing_widgets('for_each', 'above', col, row, callback); + return this; + }; + + + /** + * Iterate over each widget below the column and row specified. + * + * @method for_each_widget_below + * @param {Number} col The column to start iterating. + * @param {Number} row The row to start iterating. + * @param {Function} callback The function to execute on each widget + * iteration. The value of `this` inside the function is the jQuery wrapped + * HTMLElement. + * @return {Class} Returns the instance of the Gridster Class. + */ + fn.for_each_widget_below = function(col, row, callback) { + this._traversing_widgets('for_each', 'below', col, row, callback); + return this; + }; + + + /** + * Returns the highest occupied cell in the grid. + * + * @method get_highest_occupied_cell + * @return {Object} Returns an object with `col` and `row` numbers. + */ + fn.get_highest_occupied_cell = function() { + var r; + var gm = this.gridmap; + var rl = gm[1].length; + var rows = [], cols = []; + var row_in_col = []; + for (var c = gm.length - 1; c >= 1; c--) { + for (r = rl - 1; r >= 1; r--) { + if (this.is_widget(c, r)) { + rows.push(r); + cols.push(c); + break; + } + } + } + + return { + col: Math.max.apply(Math, cols), + row: Math.max.apply(Math, rows) + }; + }; + + + fn.get_widgets_from = function(col, row) { + var ga = this.gridmap; + var $widgets = $(); + + if (col) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var tcol = $(this).attr('data-col'); + return (tcol === col || tcol > col); + }) + ); + } + + if (row) { + $widgets = $widgets.add( + this.$widgets.filter(function() { + var trow = $(this).attr('data-row'); + return (trow === row || trow > row); + }) + ); + } + + return $widgets; + }; + + + /** + * Set the current height of the parent grid. + * + * @method set_dom_grid_height + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_height = function(height) { + if (typeof height === 'undefined') { + var r = this.get_highest_occupied_cell().row; + height = r * this.min_widget_height; + } + + this.container_height = height; + this.$el.css('height', this.container_height); + return this; + }; + + /** + * Set the current width of the parent grid. + * + * @method set_dom_grid_width + * @return {Object} Returns the instance of the Gridster class. + */ + fn.set_dom_grid_width = function(cols) { + if (typeof cols === 'undefined') { + cols = this.get_highest_occupied_cell().col; + } + + var max_cols = (this.options.autogrow_cols ? this.options.max_cols : + this.cols); + + cols = Math.min(max_cols, Math.max(cols, this.options.min_cols)); + this.container_width = cols * this.min_widget_width; + this.$el.css('width', this.container_width); + return this; + }; + + + /** + * It generates the neccessary styles to position the widgets. + * + * @method generate_stylesheet + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_stylesheet = function(opts) { + var styles = ''; + var max_size_x = this.options.max_size_x || this.cols; + var max_rows = 0; + var max_cols = 0; + var i; + var rules; + + opts || (opts = {}); + opts.cols || (opts.cols = this.cols); + opts.rows || (opts.rows = this.rows); + opts.namespace || (opts.namespace = this.options.namespace); + opts.widget_base_dimensions || + (opts.widget_base_dimensions = this.options.widget_base_dimensions); + opts.widget_margins || + (opts.widget_margins = this.options.widget_margins); + opts.min_widget_width = (opts.widget_margins[0] * 2) + + opts.widget_base_dimensions[0]; + opts.min_widget_height = (opts.widget_margins[1] * 2) + + opts.widget_base_dimensions[1]; + + // don't duplicate stylesheets for the same configuration + var serialized_opts = $.param(opts); + if ($.inArray(serialized_opts, Gridster.generated_stylesheets) >= 0) { + return false; + } + + this.generated_stylesheets.push(serialized_opts); + Gridster.generated_stylesheets.push(serialized_opts); + + /* generate CSS styles for cols */ + for (i = opts.cols; i >= 0; i--) { + styles += (opts.namespace + ' [data-col="'+ (i + 1) + '"] { left:' + + ((i * opts.widget_base_dimensions[0]) + + (i * opts.widget_margins[0]) + + ((i + 1) * opts.widget_margins[0])) + 'px; }\n'); + } + + /* generate CSS styles for rows */ + for (i = opts.rows; i >= 0; i--) { + styles += (opts.namespace + ' [data-row="' + (i + 1) + '"] { top:' + + ((i * opts.widget_base_dimensions[1]) + + (i * opts.widget_margins[1]) + + ((i + 1) * opts.widget_margins[1]) ) + 'px; }\n'); + } + + for (var y = 1; y <= opts.rows; y++) { + styles += (opts.namespace + ' [data-sizey="' + y + '"] { height:' + + (y * opts.widget_base_dimensions[1] + + (y - 1) * (opts.widget_margins[1] * 2)) + 'px; }\n'); + } + + for (var x = 1; x <= max_size_x; x++) { + styles += (opts.namespace + ' [data-sizex="' + x + '"] { width:' + + (x * opts.widget_base_dimensions[0] + + (x - 1) * (opts.widget_margins[0] * 2)) + 'px; }\n'); + } + + this.remove_style_tags(); + + return this.add_style_tag(styles); + }; + + + /** + * Injects the given CSS as string to the head of the document. + * + * @method add_style_tag + * @param {String} css The styles to apply. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_style_tag = function(css) { + var d = document; + var tag = d.createElement('style'); + + d.getElementsByTagName('head')[0].appendChild(tag); + tag.setAttribute('type', 'text/css'); + + if (tag.styleSheet) { + tag.styleSheet.cssText = css; + } else { + tag.appendChild(document.createTextNode(css)); + } + + this.$style_tags = this.$style_tags.add(tag); + + return this; + }; + + + /** + * Remove the style tag with the associated id from the head of the document + * + * @method remove_style_tag + * @return {Object} Returns the instance of the Gridster class. + */ + fn.remove_style_tags = function() { + var all_styles = Gridster.generated_stylesheets; + var ins_styles = this.generated_stylesheets; + + this.$style_tags.remove(); + + Gridster.generated_stylesheets = $.map(all_styles, function(s) { + if ($.inArray(s, ins_styles) === -1) { return s; } + }); + }; + + + /** + * Generates a faux grid to collide with it when a widget is dragged and + * detect row or column that we want to go. + * + * @method generate_faux_grid + * @param {Number} rows Number of columns. + * @param {Number} cols Number of rows. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_faux_grid = function(rows, cols) { + this.faux_grid = []; + this.gridmap = []; + var col; + var row; + for (col = cols; col > 0; col--) { + this.gridmap[col] = []; + for (row = rows; row > 0; row--) { + this.add_faux_cell(row, col); + } + } + return this; + }; + + + /** + * Add cell to the faux grid. + * + * @method add_faux_cell + * @param {Number} row The row for the new faux cell. + * @param {Number} col The col for the new faux cell. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cell = function(row, col) { + var coords = $({ + left: this.baseX + ((col - 1) * this.min_widget_width), + top: this.baseY + (row -1) * this.min_widget_height, + width: this.min_widget_width, + height: this.min_widget_height, + col: col, + row: row, + original_col: col, + original_row: row + }).coords(); + + if (!$.isArray(this.gridmap[col])) { + this.gridmap[col] = []; + } + + this.gridmap[col][row] = false; + this.faux_grid.push(coords); + + return this; + }; + + + /** + * Add rows to the faux grid. + * + * @method add_faux_rows + * @param {Number} rows The number of rows you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_rows = function(rows) { + var actual_rows = this.rows; + var max_rows = actual_rows + (rows || 1); + + for (var r = max_rows; r > actual_rows; r--) { + for (var c = this.cols; c >= 1; c--) { + this.add_faux_cell(r, c); + } + } + + this.rows = max_rows; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + /** + * Add cols to the faux grid. + * + * @method add_faux_cols + * @param {Number} cols The number of cols you want to add to the faux grid. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.add_faux_cols = function(cols) { + var actual_cols = this.cols; + var max_cols = actual_cols + (cols || 1); + max_cols = Math.min(max_cols, this.options.max_cols); + + for (var c = actual_cols + 1; c <= max_cols; c++) { + for (var r = this.rows; r >= 1; r--) { + this.add_faux_cell(r, c); + } + } + + this.cols = max_cols; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this; + }; + + + /** + * Recalculates the offsets for the faux grid. You need to use it when + * the browser is resized. + * + * @method recalculate_faux_grid + * @return {Object} Returns the instance of the Gridster class. + */ + fn.recalculate_faux_grid = function() { + var aw = this.$wrapper.width(); + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + $.each(this.faux_grid, $.proxy(function(i, coords) { + this.faux_grid[i] = coords.update({ + left: this.baseX + (coords.data.col -1) * this.min_widget_width, + top: this.baseY + (coords.data.row -1) * this.min_widget_height + }); + }, this)); + + return this; + }; + + + /** + * Get all widgets in the DOM and register them. + * + * @method get_widgets_from_DOM + * @return {Object} Returns the instance of the Gridster class. + */ + fn.get_widgets_from_DOM = function() { + var widgets_coords = this.$widgets.map($.proxy(function(i, widget) { + var $w = $(widget); + return this.dom_to_coords($w); + }, this)); + + widgets_coords = Gridster.sort_by_row_and_col_asc(widgets_coords); + + var changes = $(widgets_coords).map($.proxy(function(i, wgd) { + return this.register_widget(wgd) || null; + }, this)); + + if (changes.length) { + this.$el.trigger('gridster:positionschanged'); + } + + return this; + }; + + + /** + * Calculate columns and rows to be set based on the configuration + * parameters, grid dimensions, etc ... + * + * @method generate_grid_and_stylesheet + * @return {Object} Returns the instance of the Gridster class. + */ + fn.generate_grid_and_stylesheet = function() { + var aw = this.$wrapper.width(); + var max_cols = this.options.max_cols; + + var cols = Math.floor(aw / this.min_widget_width) + + this.options.extra_cols; + + var actual_cols = this.$widgets.map(function() { + return $(this).attr('data-col'); + }).get(); + + //needed to pass tests with phantomjs + actual_cols.length || (actual_cols = [0]); + + var min_cols = Math.max.apply(Math, actual_cols); + + this.cols = Math.max(min_cols, cols, this.options.min_cols); + + if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) { + this.cols = max_cols; + } + + // get all rows that could be occupied by the current widgets + var max_rows = this.options.extra_rows; + this.$widgets.each(function(i, w) { + max_rows += (+$(w).attr('data-sizey')); + }); + + this.rows = Math.max(max_rows, this.options.min_rows); + + this.baseX = ($(window).width() - aw) / 2; + this.baseY = this.$wrapper.offset().top; + + if (this.options.autogenerate_stylesheet) { + this.generate_stylesheet(); + } + + return this.generate_faux_grid(this.rows, this.cols); + }; + + /** + * Destroy this gridster by removing any sign of its presence, making it easy to avoid memory leaks + * + * @method destroy + * @param {Boolean} remove If true, remove gridster from DOM. + * @return {Object} Returns the instance of the Gridster class. + */ + fn.destroy = function(remove) { + this.$el.removeData('gridster'); + + // remove bound callback on window resize + $(window).unbind('.gridster'); + + if (this.drag_api) { + this.drag_api.destroy(); + } + + this.remove_style_tags(); + + remove && this.$el.remove(); + + return this; + }; + + + //jQuery adapter + $.fn.gridster = function(options) { + return this.each(function() { + if (! $(this).data('gridster')) { + $(this).data('gridster', new Gridster( this, options )); + } + }); + }; + + return Gridster; + +})); diff --git a/lib/gridster/src/utils.js b/lib/gridster/src/utils.js new file mode 100644 index 0000000000..f66910d78d --- /dev/null +++ b/lib/gridster/src/utils.js @@ -0,0 +1,72 @@ +;(function(window, undefined) { + + /* Delay, debounce and throttle functions taken from underscore.js + * + * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and + * Investigative Reporters & Editors + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + window.delay = function(func, wait) { + var args = Array.prototype.slice.call(arguments, 2); + return setTimeout(function(){ return func.apply(null, args); }, wait); + }; + + window.debounce = function(func, wait, immediate) { + var timeout; + return function() { + var context = this, args = arguments; + var later = function() { + timeout = null; + if (!immediate) func.apply(context, args); + }; + if (immediate && !timeout) func.apply(context, args); + clearTimeout(timeout); + timeout = setTimeout(later, wait); + }; + }; + + window.throttle = function(func, wait) { + var context, args, timeout, throttling, more, result; + var whenDone = debounce( + function(){ more = throttling = false; }, wait); + return function() { + context = this; args = arguments; + var later = function() { + timeout = null; + if (more) func.apply(context, args); + whenDone(); + }; + if (!timeout) timeout = setTimeout(later, wait); + if (throttling) { + more = true; + } else { + result = func.apply(context, args); + } + whenDone(); + throttling = true; + return result; + }; + }; + +})(window); diff --git a/lib/gridster/test/jquery.gridder.html b/lib/gridster/test/jquery.gridder.html new file mode 100644 index 0000000000..1750f0a4dc --- /dev/null +++ b/lib/gridster/test/jquery.gridder.html @@ -0,0 +1,67 @@ + + + + + gridster.js Test Suite + + + + + + + + + + + + + + + + + + + + + + +

gridster.js Test Suite

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    + + + + diff --git a/lib/gridster/test/jquery.gridder_test.js b/lib/gridster/test/jquery.gridder_test.js new file mode 100644 index 0000000000..2df25e775e --- /dev/null +++ b/lib/gridster/test/jquery.gridder_test.js @@ -0,0 +1,38 @@ +/*global QUnit:false, module:false, test:false, asyncTest:false, expect:false*/ +/*global start:false, stop:false ok:false, equal:false, notEqual:false, deepEqual:false*/ +/*global notDeepEqual:false, strictEqual:false, notStrictEqual:false, raises:false*/ +(function($) { + + /* + ======== A Handy Little QUnit Reference ======== + http://docs.jquery.com/QUnit + + Test methods: + expect(numAssertions) + stop(increment) + start(decrement) + Test assertions: + ok(value, [message]) + equal(actual, expected, [message]) + notEqual(actual, expected, [message]) + deepEqual(actual, expected, [message]) + notDeepEqual(actual, expected, [message]) + strictEqual(actual, expected, [message]) + notStrictEqual(actual, expected, [message]) + raises(block, [expected], [message]) + */ + + module('jQuery#gridster', { + setup: function() { + + this.el = $('#qunit-fixture').find(".wrapper ul"); + + } + }); + + // test('is chainable', 1, function() { + // // Not a bad test to run on collection methods. + // strictEqual(this.el, this.el.gridster(), 'should be chaninable'); + // }); + +}(jQuery));