diff --git a/.jshintrc b/.jshintrc
index a3b7e45610..9c9093da7a 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,26 +1,103 @@
 {
-  "curly": true,
-  "eqeqeq": true,
-  "immed": true,
-  "latedef": true,
-  "expr":true,
-  "newcap": true,
-  "noarg": true,
-  "sub": true,
-  "undef": true,
-  "boss": true,
-  "eqnull": true,
-  "browser": true,
-  "node": true,
-  "qunit": true,
+    // http://www.jshint.com/docs/
+    // Based on node-jshint@2.x.x
 
-  "globals": {
-    "jQuery": true,
-    "define": false,
-    "require": false,
-    "delay": false,
-    "debounce": false,
-    "throttle": false,
-    "Gridster": false
-  }
+    // ENFORCING OPTIONS
+    // These options tell JSHint to be more strict towards your code. Use them if
+    // you want to allow only a safe subset of JavaScript—very useful when your
+    // codebase is shared with a big number of developers with different skill
+    // levels.
+
+    "bitwise":        true,   //prohibits the use of bitwise operators such as ^ (XOR), | (OR) and others
+    "camelcase":      false,  //force all variable names to use either camelCase style or UPPER_CASE with underscores
+    "curly":          true,   //requires you to always put curly braces around blocks in loops and conditionals
+    "eqeqeq":         true,   //prohibits the use of == and != in favor of === and !==
+    "es3":            false,  //tells JSHint that your code needs to adhere to ECMAScript 3 specification
+    "forin":          false,   //requires all `for in` loops to filter object's items with `hasOwnProperty()`
+    "immed":          true,   //prohibits the use of immediate function invocations without wrapping them in parentheses
+    "indent":         2,      //enforces specific tab width
+    "latedef":        true,   //prohibits the use of a variable before it was defined
+    "newcap":         true,   //requires you to capitalize names of constructor functions
+    "noarg":          true,   //prohibits the use of `arguments.caller` and `arguments.callee`
+    "noempty":        true,   //warns when you have an empty block in your code
+    "nonew":          true,   //prohibits the use of constructor functions for side-effects
+    "plusplus":       false,  //prohibits the use of unary increment and decrement operators
+    "quotmark":       true,   //enforces the consistency of quotation marks used throughout your code
+    "undef":          true,   //prohibits the use of explicitly undeclared variables
+    "unused":         "vars", //warns when you define and never use your variables
+    "strict":         true,   //requires all functions to run in ECMAScript 5's strict mode
+    "trailing":       true,   //makes it an error to leave a trailing whitespace in your code
+    "maxparams":      false,  //set the max number of formal parameters allowed per function
+    "maxdepth":       6,      //control how nested do you want your blocks to be
+    "maxstatements":  false,  //set the max number of statements allowed per function
+    "maxcomplexity":  false,  //control cyclomatic complexity throughout your code
+
+    // RELAXING OPTIONS
+    // These options allow you to suppress certain types of warnings. Use them
+    // only if you are absolutely positive that you know what you are doing.
+
+    "asi":            false,  //suppresses warnings about missing semicolons
+    "boss":           false,  //suppresses warnings about the use of assignments in cases where comparisons are expected
+    "debug":          false,  //suppresses warnings about the debugger statements in your code
+    "eqnull":         false,  //suppresses warnings about == null comparisons
+    "esnext":         false,  //your code uses ES.next specific features such as const
+    "evil":           false,  //suppresses warnings about the use of eval
+    "expr":           true,   //suppresses warnings about the use of expressions where normally you would expect to see assignments or function calls
+    "funcscope":      false,  //suppresses warnings about declaring variables inside of control structures while accessing them later from the outside
+    "globalstrict":   false,  //suppresses warnings about the use of global strict mode
+    "iterator":       false,  //suppresses warnings about the `__iterator__` property
+    "lastsemic":      false,  //suppresses warnings about missing semicolons, but only when the semicolon is omitted for the last statement in a one-line block
+    "laxbreak":       false,  //suppresses most of the warnings about possibly unsafe line breakings in your code
+    "laxcomma":       false,  //suppresses warnings about comma-first coding style
+    "loopfunc":       false,  //suppresses warnings about functions inside of loops
+    "moz":            false,  //tells JSHint that your code uses Mozilla JavaScript extensions
+    "multistr":       false,  //suppresses warnings about multi-line strings
+    "proto":          false,  //suppresses warnings about the `__proto__` property
+    "scripturl":      false,  //suppresses warnings about the use of script-targeted URLs—such as `javascript:...`
+    "smarttabs":      false,  //suppresses warnings about mixed tabs and spaces when the latter are used for alignmnent only
+    "shadow":         false,  //suppresses warnings about variable shadowing
+    "sub":            false,  //suppresses warnings about using `[]` notation when it can be expressed in dot notation
+    "supernew":       false,  //suppresses warnings about "weird" constructions like `new function () { ... }` and `new Object;`
+    "validthis":      false,  //suppresses warnings about possible strict violations when the code is running in strict mode and you use `this` in a non-constructor function
+
+    // ENVIRONMENTS
+    // These options pre-define global variables that are exposed by popular
+    // JavaScript libraries and runtime environments—such as browser or node.js.
+    // Essentially they are shortcuts for explicit declarations like
+    // /*global $:false, jQuery:false */
+
+    "browser":        true,   //defines globals exposed by modern browsers
+    "couch":          false,  //defines globals exposed by CouchDB
+    "devel":          true,   //defines globals that are usually used for logging poor-man's debugging: `console`, `alert`, etc.
+    "dojo":           false,  //defines globals exposed by the Dojo Toolkit
+    "jquery":         true,   //defines globals exposed by the jQuery JavaScript library
+    "mootools":       false,  //defines globals exposed by the MooTools JavaScript framework
+    "node":           true,   //defines globals available when your code is running inside of the Node runtime environment
+    "nonstandard":    false,  //defines non-standard but widely adopted globals such as `escape` and `unescape`
+    "phantom":        false,  //defines globals available when your core is running inside of the PhantomJS runtime environment
+    "qunit":          true,  //defines globals available when your core is running inside of the Qqunit runtime environment
+    "prototypejs":    false,  //defines globals exposed by the Prototype JavaScript framework
+    "rhino":          false,  //defines globals available when your code is running inside of the Rhino runtime environment
+    "worker":         true,   //defines globals available when your code is running inside of a Web Worker
+    "wsh":            false,  //defines globals available when your code is running as a script for the Windows Script Host
+    "yui":            false,  //defines globals exposed by the YUI JavaScript framework
+
+    "globals": {
+        "define":       false,
+        "throttle":     false,
+        "delay":        false,
+        "debounce":     false,
+      "jQuery": true,
+      "require": false,
+      "Gridster": false
+    },
+
+    // LEGACY
+    // These options are legacy from JSLint. Aside from bug fixes they will not
+    // be improved in any way and might be removed at any point.
+
+    "nomen":          false,  //disallows the use of dangling `_` in variables
+    "onevar":         false,  //allows only one `var` statement per function
+    "passfail":       false,  //makes JSHint stop on the first error or warning
+    "white":          false   //make JSHint check your source code against Douglas Crockford's JavaScript coding style
 }
diff --git a/Gruntfile.js b/Gruntfile.js
index e07520a678..92d071f08a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1,6 +1,7 @@
 /*global module:false*/
-module.exports = function (grunt) {
+module.exports = function(grunt) {
 
+    'use strict';
 	// Project configuration.
 	grunt.initConfig({
 		pkg: grunt.file.readJSON('package.json'),
@@ -60,7 +61,7 @@ module.exports = function (grunt) {
 					banner: '<%= meta.minibanner %>'
 				},
 				files: {
-					"dist/jquery.<%= pkg.name %>.min.css": ["dist/jquery.<%= pkg.name %>.css"]
+					'dist/jquery.<%= pkg.name %>.min.css': ['dist/jquery.<%= pkg.name %>.css']
 				}
 			}
 		},
@@ -74,14 +75,14 @@ module.exports = function (grunt) {
 		},
 		yuidoc: {
 			compile: {
-				"name": 'gridster.js',
-				"description": 'gridster.js, a drag-and-drop multi-column jQuery grid plugin',
-				"version": 'v<%= pkg.version %>',
-				"url": 'http://gridster.net/',
-				"logo": 'https://ducksboard.com/static/images/svg/logo-ducksboard-black-small.svg',
+				'name': 'gridster.js',
+				'description': 'gridster.js, a drag-and-drop multi-column jQuery grid plugin',
+				'version': 'v<%= pkg.version %>',
+				'url': 'http://gridster.net/',
+				'logo': 'https://ducksboard.com/static/images/svg/logo-ducksboard-black-small.svg',
 				options: {
-					paths: "src/",
-					outdir: "gh-pages/docs/"
+					paths: 'src/',
+					outdir: 'gh-pages/docs/'
 				}
 			}
 		},
diff --git a/bower.json b/bower.json
index 3cb3a18a4d..d07b19ee4f 100644
--- a/bower.json
+++ b/bower.json
@@ -3,7 +3,9 @@
   "homepage": "https://github.com/DecksterTeam/gridster.js",
   "version": "0.6.7",
   "dependencies": {
-    "jquery": "^2.1.3",
+    "jquery": "^2.1.3"
+  },
+  "devDependencies": {
     "requirejs": "^2.1.17",
     "qunit": "~1.18.0"
   },
diff --git a/dist/jquery.gridster.css b/dist/jquery.gridster.css
index cea4697196..8f3d1e9cf4 100644
--- a/dist/jquery.gridster.css
+++ b/dist/jquery.gridster.css
@@ -1,4 +1,4 @@
-/*! gridster.js - v0.6.7 - 2015-04-16
+/*! gridster.js - v0.6.7 - 2015-04-28
 * http://gridster.net/
 * Copyright (c) 2015 ducksboard; Licensed MIT */
 
diff --git a/dist/jquery.gridster.js b/dist/jquery.gridster.js
index 2e1a15a6c5..890d858fe8 100644
--- a/dist/jquery.gridster.js
+++ b/dist/jquery.gridster.js
@@ -1,8 +1,9 @@
-/*! gridster.js - v0.6.7 - 2015-04-16
+/*! gridster.js - v0.6.7 - 2015-04-28
 * http://gridster.net/
 * Copyright (c) 2015 ducksboard; Licensed MIT */
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -13,6 +14,7 @@
     }
 
 }(this, function($) {
+	'use strict';
     /**
     * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height)
     * to simulate DOM elements on the screen.
@@ -128,6 +130,7 @@
 }));
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -139,7 +142,7 @@
     }
 
 }(this, function($, Coords) {
-
+	'use strict';
     var defaults = {
         colliders_context: document.body,
         overlapping_region: 'C'
@@ -367,7 +370,7 @@
 }));
 
 (function (window, undefined) {
-
+	'use strict';
 	/* Delay, debounce and throttle functions taken from underscore.js
 	 *
 	 * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and
@@ -464,7 +467,7 @@
     }
 
 }(this, function($) {
-
+	'use strict';
     var defaults = {
         items: 'li',
         distance: 1,
@@ -898,6 +901,7 @@
 }));
 
 (function (root, factory) {
+	'use strict';
 	if (typeof exports === 'object') {
 		module.exports = factory(require('jquery'), require('./jquery.draggable.js'), require('./jquery.collision.js'), require('./jquery.coords.js'), require('./utils.js'));
 	}
@@ -909,7 +913,7 @@
 	}
 
 }(this, function ($, Draggable, Collision) {
-
+	'use strict';
 	var $window = $(window),
 			defaults = {
 				namespace: '',
@@ -1269,7 +1273,7 @@
 		size_x || (size_x = 1);
 		size_y || (size_y = 1);
 
-		if (!col & !row) {
+		if (!col && !row) {
 			pos = this.next_position(size_x, size_y);
 		} else {
 			pos = {
@@ -1390,7 +1394,7 @@
 	fn.add_resize_handle = function ($w) {
 		var $append_to = this.options.resize.handle_append_to ? $(this.options.resize.handle_append_to, $w) : $w;
 
-		if (($append_to.children("span[class~='" + this.resize_handle_class + "']")).length === 0) {
+		if (($append_to.children('span[class~=\'' + this.resize_handle_class + '\']')).length === 0) {
 			$(this.resize_handle_tpl).appendTo($append_to);
 		}
 
@@ -1416,7 +1420,6 @@
 	fn.resize_widget = function ($widget, size_x, size_y, reposition, callback) {
 		var wgd = $widget.coords().grid;
 		var col = wgd.col;
-		var max_cols = this.options.max_cols;
 		reposition !== false && (reposition = true);
 		var old_size_y = wgd.size_y;
 		var old_col = wgd.col;
@@ -1698,7 +1701,6 @@
 		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];
 
-		var serializedGrid = this.serialize();
 		this.$widgets.each($.proxy(function (i, widget) {
 			var $widget = $(widget);
 			this.resize_widget($widget);
@@ -1874,14 +1876,14 @@
 	 * @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({
+		/*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) {
 		 console.log("from_remove")
 		 this.move_widget_up( $(widget), size_y );
@@ -2851,7 +2853,6 @@
 			} else if ($gr.options.shift_larger_widgets_down && !swap) {
 				$overlapped_widgets.each($.proxy(function (i, w) {
 					var $w = $(w);
-					var wgd = $w.coords().grid;
 
 					if ($gr.can_go_down($w)) {
 						$gr.move_widget_down($w, $gr.player_grid_data.size_y);
@@ -2874,9 +2875,9 @@
 		//Move queued widgets
 		if (swap && this.can_placeholder_be_set(to_col, to_row, player_size_x, player_size_y)) {
 			for (var key in this.w_queue) {
-				var _col = parseInt(key.split("_")[0]);
-				var _row = parseInt(key.split("_")[1]);
-				if (this.w_queue[key] !== "full") {
+				var _col = parseInt(key.split('_')[0]);
+				var _row = parseInt(key.split('_')[1]);
+				if (this.w_queue[key] !== 'full') {
 					this.new_move_widget_to(this.w_queue[key], _col, _row);
 				}
 			}
@@ -2910,7 +2911,7 @@
 			for (var r = 0; r < w_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (this.is_occupied(colc, rowc)) {
 					occupied = true;
 				} else if (key in this.w_queue) {
@@ -2946,7 +2947,6 @@
 			for (var r = 0; r < player_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
 				var $tw = this.is_widget(colc, rowc);
 				//if this space is occupied and not queued for move.
 				if (rowc > parseInt(this.options.max_rows)) {
@@ -2966,7 +2966,7 @@
 	fn.queue_widget = function (col, row, $widget) {
 		var $w = $widget;
 		var wgd = $w.coords().grid;
-		var primary_key = col + "_" + row;
+		var primary_key = col + '_' + row;
 		if (primary_key in this.w_queue) {
 			return false;
 		}
@@ -2977,11 +2977,11 @@
 			for (var r = 0; r < wgd.size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (key === primary_key) {
 					continue;
 				}
-				this.w_queue[key] = "full";
+				this.w_queue[key] = 'full';
 			}
 		}
 
@@ -2995,15 +2995,15 @@
 		}
 
 		for (var key in this.w_queue) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				continue;
 			}
-			if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+			if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 				queued = true;
 				//test whole space
 				var $w = this.w_queue[key];
-				var dcol = parseInt(key.split("_")[0]);
-				var drow = parseInt(key.split("_")[1]);
+				var dcol = parseInt(key.split('_')[0]);
+				var drow = parseInt(key.split('_')[1]);
 				var wgd = $w.coords().grid;
 
 				for (var c = 0; c < wgd.size_x; c++) {
@@ -3025,10 +3025,10 @@
 
 	fn.is_in_queue = function (col, row, $widget) {
 		var queued = false;
-		var key = col + "_" + row;
+		var key = col + '_' + row;
 
 		if ((key in this.w_queue)) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				queued = true;
 			} else {
 				var $tw = this.w_queue[key];
@@ -3036,7 +3036,7 @@
 				if (!this.is_widget_under_player(tgd.col, tgd.row)) {
 					delete this.w_queue[key];
 					queued = false;
-				} else if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+				} else if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 					delete this.w_queue[key];
 					queued = false;
 				} else {
@@ -3123,7 +3123,7 @@
 					// overlaps player
 					var y = (to_row + this.player_grid_data.size_y) - wgd.row;
 					if (this.can_go_down($w)) {
-						console.log("In Move Down!");
+						console.log('In Move Down!');
 						this.move_widget_down($w, y);
 						this.set_placeholder(to_col, to_row);
 					}
@@ -3593,7 +3593,6 @@
 	 * @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);
@@ -3678,7 +3677,7 @@
 			/*jshint -W083 */
 			for (var c = 0, cl = cols.length; c < cl; c++) {
 				this.for_each_widget_below(cols[c], row, function (tcol, trow) {
-					console.log("from_on_stop_overlapping_row");
+					console.log('from_on_stop_overlapping_row');
 					self.move_widget_up(this, self.player_grid_data.size_y);
 				});
 			}
@@ -3688,7 +3687,6 @@
 
 	//Not yet part of api - DM.
 	fn.new_move_widget_to = function ($widget, col, row) {
-		var self = this;
 		var widget_grid_data = $widget.coords().grid;
 
 		this.remove_from_gridmap(widget_grid_data);
@@ -3754,7 +3752,6 @@
 	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(
@@ -3796,7 +3793,6 @@
 		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)) {
@@ -3815,8 +3811,6 @@
 					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);
@@ -3826,7 +3820,7 @@
 				moved.push($widget);
 
 				/* $next_widgets.each($.proxy(function(i, widget) {
-				 console.log("from_within_move_widget_up");
+				 console.log('from_within_move_widget_up');
 				 this.move_widget_up($(widget), y_units);
 				 }, this)); */
 			}
@@ -3902,7 +3896,6 @@
 	 *  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;
@@ -3911,7 +3904,6 @@
 		/* 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;
@@ -3996,7 +3988,6 @@
 			return $nexts;
 		}
 		var self = this;
-		var ga = this.gridmap;
 		var next_row = el_grid_data.row + el_grid_data.size_y - 1;
 
 		this.for_each_column_occupied(el_grid_data, function (col) {
@@ -4063,8 +4054,6 @@
 		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) {
@@ -4072,8 +4061,6 @@
 		}
 
 		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) ||
@@ -4101,7 +4088,6 @@
 	 * @return {Boolean} Returns true if all cells are empty, else return false.
 	 */
 	fn.can_move_to = function (widget_grid_data, col, row) {
-		var ga = this.gridmap;
 		var $w = widget_grid_data.el;
 		var future_wd = {
 			size_y: widget_grid_data.size_y,
@@ -4399,8 +4385,6 @@
 	 * @returns {*|jQuery|HTMLElement} - a collection of the cells within the range
 	 */
 	fn.get_widgets_in_range = function (col1, row1, col2, row2) {
-		var valid_cols = [];
-		var valid_rows = [];
 		var $widgets = $([]);
 		var c, r, $w, wgd;
 
diff --git a/dist/jquery.gridster.min.css b/dist/jquery.gridster.min.css
index 1dabec1ba2..0d6146c3b3 100644
--- a/dist/jquery.gridster.min.css
+++ b/dist/jquery.gridster.min.css
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.6.7 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ 
+/*! gridster.js - v0.6.7 - 2015-04-28 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ 
 .gridster{position:relative}.gridster>*{-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}.gridster.collapsed{height:auto!important}.gridster.collapsed .gs-w{position:static!important}.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:.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,[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/dist/jquery.gridster.min.js b/dist/jquery.gridster.min.js
index b3cc20d465..c8e394c941 100644
--- a/dist/jquery.gridster.min.js
+++ b/dist/jquery.gridster.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.6.7 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ !function(a,b){"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],b):a.GridsterCoords=b(a.$||a.jQuery)}(this,function(a){function b(b){return b[0]&&a.isPlainObject(b[0])?this.data=b[0]:this.el=b,this.isCoords=!0,this.coords={},this.init(),this}var c=b.prototype;return c.init=function(){this.set(),this.original_coords=this.get()},c.set=function(a,b){var c=this.el;if(c&&!a&&(this.data=c.offset(),this.data.width=c.width(),this.data.height=c.height()),c&&a&&!b){var d=c.offset();this.data.top=d.top,this.data.left=d.left}var e=this.data;return void 0===e.left&&(e.left=e.x1),void 0===e.top&&(e.top=e.y1),this.coords.x1=e.left,this.coords.y1=e.top,this.coords.x2=e.left+e.width,this.coords.y2=e.top+e.height,this.coords.cx=e.left+e.width/2,this.coords.cy=e.top+e.height/2,this.coords.width=e.width,this.coords.height=e.height,this.coords.el=c||!1,this},c.update=function(b){if(!b&&!this.el)return this;if(b){var c=a.extend({},this.data,b);return this.data=c,this.set(!0,!0)}return this.set(!0),this},c.get=function(){return this.coords},c.destroy=function(){this.el.removeData("coords"),delete this.el},a.fn.coords=function(){if(this.data("coords"))return this.data("coords");var a=new b(this,arguments[0]);return this.data("coords",a),a},b}),function(a,b){"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],b):a.GridsterCollision=b(a.$||a.jQuery,a.GridsterCoords)}(this,function(a,b){function c(b,c,e){this.options=a.extend(d,e),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(c),this.init()}var d={colliders_context:document.body,overlapping_region:"C"};c.defaults=d;var e=c.prototype;return e.init=function(){this.find_collisions()},e.overlaps=function(a,b){var c=!1,d=!1;return(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)&&(c=!0),(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)&&(d=!0),c&&d},e.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},e.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},e.calculate_overlapped_area=function(a){return a.width*a.height},e.manage_colliders_start_stop=function(b,c,d){for(var e=this.last_colliders_coords,f=0,g=e.length;g>f;f++)-1===a.inArray(e[f],b)&&c.call(this,e[f]);for(var h=0,i=b.length;i>h;h++)-1===a.inArray(b[h],e)&&d.call(this,b[h])},e.find_collisions=function(b){for(var c=this,d=this.options.overlapping_region,e=[],f=[],g=this.colliders||this.$colliders,h=g.length,i=c.$element.coords().update(b||!1).get();h--;){var j=c.$colliders?a(g[h]):g[h],k=j.isCoords?j:j.coords(),l=k.get(),m=c.overlaps(i,l);if(m){var n=c.detect_overlapping_region(i,l);if(n===d||"all"===d){var o=c.calculate_overlapped_area_coords(i,l),p=c.calculate_overlapped_area(o);if(0!==p){var q={area:p,area_coords:o,region:n,coords:l,player_coords:i,el:j};c.options.on_overlap&&c.options.on_overlap.call(this,q),e.push(k),f.push(q)}}}}return(c.options.on_overlap_stop||c.options.on_overlap_start)&&this.manage_colliders_start_stop(e,c.options.on_overlap_start,c.options.on_overlap_stop),this.last_colliders_coords=e,f},e.get_closest_colliders=function(a){var b=this.find_collisions(a);return b.sort(function(a,b){return"C"===a.region&&"C"===b.region?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:(a.area<b.area,1)}),b},e.set_colliders=function(b){"string"==typeof b||b instanceof a?this.$colliders=a(b,this.options.colliders_context).not(this.$element):this.colliders=a(b)},a.fn.collision=function(a,b){return new c(this,a,b)},c}),function(a,b){a.delay=function(a,b){var c=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return a.apply(null,c)},b)},a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var j=function(){e=null,g&&a.apply(c,d),i()};return e||(e=setTimeout(j,b)),f?g=!0:h=a.apply(c,d),i(),f=!0,h}}}(window),function(a,b){"use strict";"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],b):a.GridsterDraggable=b(a.$||a.jQuery)}(this,function(a){function b(b,d){this.options=a.extend({},c,d),this.$document=a(document),this.$container=a(b),this.$scroll_container=this.options.scroll_container===window?a(window):this.$container.closest(this.options.scroll_container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=i(),this.ns=".gridster-draggable-"+this.id,this.init()}var c={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},d=a(window),e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=c;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),d.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),a.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,a.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,a.proxy(function(a){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(a))},this))},j.get_actual_pos=function(a){return a.position()},j.get_mouse_pos=function(a){if(a.originalEvent&&a.originalEvent.touches){var b=a.originalEvent;a=b.touches.length?b.touches[0]:b.changedTouches[0]}return{left:a.clientX,top:a.clientY}},j.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),c=Math.round(b.left-this.mouse_init_pos.left),d=Math.round(b.top-this.mouse_init_pos.top),e=Math.round(this.el_init_offset.left+c-this.baseX+this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),f=Math.round(this.el_init_offset.top+d-this.baseY+this.$scroll_container.scrollTop()-this.scroll_container_offset_y);return this.options.limit&&(e>this.player_max_left?e=this.player_max_left:e<this.player_min_left&&(e=this.player_min_left)),{position:{left:e,top:f},pointer:{left:b.left,top:b.top,diff_left:c+(this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),diff_top:d+(this.$scroll_container.scrollTop()-this.scroll_container_offset_y)}}},j.get_drag_data=function(a){var b=this.get_offset(a);return b.$player=this.$player,b.$helper=this.helper?this.$helper:this.$player,b},j.set_limits=function(a){return a||(a=this.$container.width()),this.player_max_left=a-this.player_width+-this.options.offset_left,this.options.container_width=a,this},j.scroll_in=function(a,b){var c,d=e[a],f=50,h=30,i="scroll"+g(d),j="x"===a,k=j?this.scroller_width:this.scroller_height;c=this.$scroll_container===window?j?this.$scroll_container.width():this.$scroll_container.height():j?this.$scroll_container[0].scrollWidth:this.$scroll_container[0].scrollHeight;var l,m=j?this.$player.width():this.$player.height(),n=this.$scroll_container[i](),o=n,p=o+k,q=p-f,r=o+f,s=o+b.pointer[d],t=c-k+m;return s>=q&&(l=n+h,t>l&&(this.$scroll_container[i](l),this["scroll_offset_"+a]+=h)),r>=s&&(l=n-h,l>0&&(this.$scroll_container[i](l),this["scroll_offset_"+a]-=h)),this},j.manage_scroll=function(a){this.scroll_in("x",a),this.scroll_in("y",a)},j.calculate_dimensions=function(){this.scroller_height=this.$scroll_container.height(),this.scroller_width=this.$scroll_container.width()},j.drag_handler=function(b){if(!this.disabled&&(1===b.which||f)&&!this.ignore_drag(b)){var c=this,d=!0;return this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging===!0&&c.on_dragmove.call(c,a),!1):!1}),f?void 0:!1}},j.on_dragstart=function(a){if(a.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var b=this.$container.offset();return this.baseX=Math.round(b.left),this.baseY=Math.round(b.top),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_container_offset_y=this.$scroll_container.scrollTop(),this.scroll_container_offset_x=this.$scroll_container.scrollLeft(),this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,a,this.get_drag_data(a)),!1},j.on_dragmove=function(a){var b=this.get_drag_data(a);this.options.autoscroll&&this.manage_scroll(b),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.position.left,top:b.position.top});var c=this.last_position||b.position;return b.prev_position=c,this.options.drag&&this.options.drag.call(this.$player,a,b),this.last_position=b.position,!1},j.on_dragstop=function(a){var b=this.get_drag_data(a);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,a,b),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},j.on_select_start=function(a){return this.disabled||this.ignore_drag(a)?void 0:!1},j.enable=function(){this.disabled=!1},j.disable=function(){this.disabled=!0},j.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),d.off(this.ns),a.removeData(this.$container,"drag")},j.ignore_drag=function(b){return this.options.handle?!a(b.target).is(this.options.handle):a.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(b):a(b.target).is(this.options.ignore_dragging.join(", "))},a.fn.gridDraggable=function(a){return new b(this,a)},a.fn.dragg=function(c){return this.each(function(){a.data(this,"drag")||a.data(this,"drag",new b(this,c))})},b}),function(a,b){"object"==typeof exports?module.exports=b(require("jquery"),require("./jquery.draggable.js"),require("./jquery.collision.js"),require("./jquery.coords.js"),require("./utils.js")):"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],b):a.Gridster=b(a.$||a.jQuery,a.GridsterDraggable,a.GridsterCollision)}(this,function(a,b,c){function d(b,c){this.options=a.extend(!0,{},g,c),this.options.draggable=this.options.draggable||{},this.options.draggable=a.extend(!0,{},this.options.draggable,{scroll_container:this.options.scroll_container}),this.$el=a(b),this.$scroll_container=this.options.scroll_container===window?a(window):this.$el.closest(this.options.scroll_container),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.$changed=a([]),this.w_queue={},this.min_widget_width=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],this.min_widget_height=this.options.widget_base_dimensions[1],this.min_col_count=this.options.min_cols,this.prev_col_count=this.min_col_count,this.generated_stylesheets=[],this.$style_tags=a([]),this.options.auto_init&&this.init()}function e(a){for(var b=["col","row","size_x","size_y"],c={},d=0,e=b.length;e>d;d++){var f=b[d];if(!(f in a))throw new Error("Not exists property `"+f+"`");var g=a[f];if(!g||isNaN(g))throw new Error("Invalid value of `"+f+"` property");c[f]=+g}return c}var f=a(window),g={namespace:"",widget_selector:"li",static_class:"static",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:1,max_rows:15,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,center_widgets:!1,responsive_breakpoint:!1,scroll_container:window,shift_larger_widgets_down:!0,serialize_params:function(a,b){return{col:b.col,row:b.row,size_x:b.size_x,size_y:b.size_y}},collision:{},draggable:{items:".gs-w:not(.static)",distance:4,ignore_dragging:b.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};d.defaults=g,d.generated_stylesheets=[],d.sort_by_row_asc=function(b){return b=b.sort(function(b,c){return b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b=e(b),c=e(c),b.row>c.row?1:-1})},d.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},d.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.col>b.col?1:-1})},d.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row+a.size_y<b.row+b.size_y?1:-1})};var h=d.prototype;return h.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),f.bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},h.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},h.enable=function(){return this.drag_api.enable(),this},h.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},h.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},h.add_widget=function(b,c,d,e,f,g,h,i){var j;c||(c=1),d||(d=1),!e&!f?j=this.next_position(c,d):(j={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d));var k=a(b).attr({"data-col":j.col,"data-row":j.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();this.$widgets=this.$widgets.add(k),this.$changed=this.$changed.add(k),this.register_widget(k);var l=parseInt(j.row)+(parseInt(j.size_y)-1);return this.rows<l&&this.add_faux_rows(l-this.rows),g&&this.set_widget_max_size(k,g),h&&this.set_widget_min_size(k,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),k.fadeIn({complete:function(){i&&i.call(this)}})},h.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},h.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},h.add_resize_handle=function(b){var c=this.options.resize.handle_append_to?a(this.options.resize.handle_append_to,b):b;return 0===c.children("span[class~='"+this.resize_handle_class+"']").length&&a(this.resize_handle_tpl).appendTo(c),this},h.resize_widget=function(a,b,c,d,e){{var f=a.coords().grid,g=f.col;this.options.max_cols}d!==!1&&(d=!0);var h=f.size_y,i=f.col,j=i;if(b||(b=f.size_x),c||(c=f.size_y),d&&i+b-1>this.cols){var k=i+(b-1)-this.cols,l=i-k;j=Math.max(1,l)}c>h&&this.add_faux_rows(Math.max(c-h,0));var m=g+b-1;m>this.cols&&this.add_faux_cols(m-this.cols);var n={col:j,row:f.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,f,n),this.set_dom_grid_height(),this.set_dom_grid_width(),e&&e.call(this,n.size_x,n.size_y),a},h.expand_widget=function(b,c,d,e,f){var g=b.coords().grid,h=Math.floor((a(window).width()-2*this.options.widget_margins[0])/this.min_widget_width);c=c||Math.min(h,this.cols),d||(d=g.size_y);var i=g.size_y;b.attr("pre_expand_col",g.col),b.attr("pre_expand_sizex",g.size_x),b.attr("pre_expand_sizey",g.size_y);var j=e||1;d>i&&this.add_faux_rows(Math.max(d-i,0));var k={col:j,row:g.row,size_x:c,size_y:d};return this.mutate_widget_in_gridmap(b,g,k),this.set_dom_grid_height(),this.set_dom_grid_width(),f&&f.call(this,k.size_x,k.size_y),b},h.collapse_widget=function(a,b){var c=a.coords().grid,d=parseInt(a.attr("pre_expand_sizex")),e=parseInt(a.attr("pre_expand_sizey")),f=parseInt(a.attr("pre_expand_col")),g={col:f,row:c.row,size_x:d,size_y:e};return this.mutate_widget_in_gridmap(a,c,g),this.set_dom_grid_height(),this.set_dom_grid_width(),b&&b.call(this,g.size_x,g.size_y),a},h.fit_to_content=function(a,b,c,d){var e=a.coords().grid,f=this.$wrapper.width(),g=this.$wrapper.height(),h=this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0],i=this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1],j=Math.ceil((f+2*this.options.widget_margins[0])/h),k=Math.ceil((g+2*this.options.widget_margins[1])/i),l={col:e.col,row:e.row,size_x:Math.min(b,j),size_y:Math.min(c,k)};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},h.center_widgets=debounce(function(){var b,c=this.$wrapper.width();b=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0];var d=2*Math.floor(Math.max(Math.floor(c/b),this.min_col_count)/2);this.options.min_cols=d,this.options.max_cols=d,this.options.extra_cols=0,this.set_dom_grid_width(d),this.cols=d;var e=(d-this.prev_col_count)/2;return 0>e?(this.get_min_col()>-1*e?this.shift_cols(e):this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)):e>0?(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.shift_cols(e)},this),0)):(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)),this.prev_col_count=d,this},200),h.get_min_col=function(){return Math.min.apply(Math,this.$widgets.map(a.proxy(function(b,c){return this.get_cells_occupied(a(c).coords().grid).cols},this)).get())},h.shift_cols=function(b){var c=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));c=d.sort_by_row_and_col_asc(c),c.each(a.proxy(function(c,d){var e=a(d.el),f=e.coords().grid,g=parseInt(e.attr("data-col")),h={col:Math.max(Math.round(g+b),1),row:f.row,size_x:f.size_x,size_y:f.size_y};setTimeout(a.proxy(function(){this.mutate_widget_in_gridmap(e,f,h)},this),0)},this))},h.resize_widget_dimensions=function(b){b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1];this.serialize();return this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this},h.mutate_widget_in_gridmap=function(b,c,d){var e=c.size_y,f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h[h.length-1]-h[0]+1,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},h.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d),g=f.coords().grid;if(g.row<=c+e-1){var h=c+e-g.row;this.move_widget_down(f,h)}},this)),this.set_dom_grid_height(),this},h.remove_empty_cells=function(a,b,c,d,e){this.widgets_below({col:a,row:b,size_x:c,size_y:d});return this.set_dom_grid_height(),this},h.next_position=function(a,b){a||(a=1),b||(b=1);for(var c,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){c=e[h].length;for(var i=1;c>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?d.sort_by_row_and_col_asc(g)[0]:!1},h.remove_by_grid=function(a,b){var c=this.is_widget(a,b);c&&this.remove_widget(c)},h.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;if(void 0===f)return this;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},h.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},h.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){var e=a(d);"undefined"!=typeof e.coords().grid&&c.push(this.options.serialize_params(e,e.coords().grid))},this)),c},h.serialize_changed=function(){return this.serialize(this.$changed)},h.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},h.register_widget=function(b){var c=b instanceof a,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);if(f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)){if(!b.hasClass(".disp_ad"))return b.remove(),!1;a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0}return b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},h.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},h.update_widget_dimensions=function(a,b,c){return a.data("coords").update({width:b,height:c}),this},h.update_widgets_dimensions=function(){return a.each(this.$widgets,a.proxy(function(b,c){var d=a(c).coords().grid,e=d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],f=d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1];this.update_widget_dimensions(a(c),e,f)},this)),this},h.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},h.add_to_gridmap=function(a,b){this.update_widget_position(a,b||a.el)},h.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0],limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});this.drag_api=this.$el.dragg(c).data("drag")},h.resizable=function(){return this.resize_api=this.$el.gridDraggable({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.max_cols!==1/0,scroll_container:this.options.scroll_container,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},h.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},h.on_start_drag=function(b,c){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.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.max_cols===1/0&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=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(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},h.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.max_cols===1/0){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=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.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),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:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},h.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$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.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b),this.$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.w_queue={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.is_responsive()||this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"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,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},h.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:"","min-width":"","min-height":""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({
-"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width)},h.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.max_cols===1/0,o=Math.ceil(d/(f+2*h)-.2),p=Math.ceil(e/(g+2*i)-.2),q=Math.max(1,this.resize_initial_sizex+o),r=Math.max(1,this.resize_initial_sizey+p),s=Math.floor(this.container_width/this.min_widget_width-this.resize_initial_col+1),t=s*this.min_widget_width+(s-1)*h;q=Math.max(Math.min(q,j),k),q=Math.min(s,q),c=j*f+(q-1)*h;var u=Math.min(c,t),v=k*f+(q-1)*h;r=Math.max(Math.min(r,l),m);var w=l*g+(r-1)*i,x=m*g+(r-1)*i;if(this.resize_dir.right?r=this.resize_initial_sizey:this.resize_dir.bottom&&(q=this.resize_initial_sizex),n){var y=this.resize_initial_col+q-1;n&&this.resize_initial_last_col<=y&&(this.set_dom_grid_width(Math.max(y+1,this.cols)),this.cols<y&&this.add_faux_cols(y-this.cols))}var z={};!this.resize_dir.bottom&&(z.width=Math.max(Math.min(this.resize_initial_width+d,u),v)),!this.resize_dir.right&&(z.height=Math.max(Math.min(this.resize_initial_height+e,w),x)),this.$resized_widget.css(z),(q!==this.resize_last_sizex||r!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,q,r,!1),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":q,"data-sizey":r})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=q,this.resize_last_sizey=r},h.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},h.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},h.set_player=function(b,c,d){var e=this,f=!1;d||this.empty_cells_player_occupies();var g=d?{col:b}:e.colliders_data[0].el.data,h=g.col,i=g.row||c;this.player_grid_data={col:h,row:i,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),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data);var j=this.get_widgets_overlapped(this.player_grid_data),k=this.player_grid_data.size_y,l=this.player_grid_data.size_x,m=this.cells_occupied_by_placeholder,n=this;if(j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,g=m.cols[0]+l-1,o=m.rows[0]+k-1;if(d.hasClass(n.options.static_class))return!0;if(e.size_x<=l&&e.size_y<=k)if(n.is_swap_occupied(m.cols[0],e.row,e.size_x,e.size_y)||n.is_player_in(m.cols[0],e.row)||n.is_in_queue(m.cols[0],e.row,d))if(n.is_swap_occupied(g,e.row,e.size_x,e.size_y)||n.is_player_in(g,e.row)||n.is_in_queue(g,e.row,d))if(n.is_swap_occupied(e.col,m.rows[0],e.size_x,e.size_y)||n.is_player_in(e.col,m.rows[0])||n.is_in_queue(e.col,m.rows[0],d))if(n.is_swap_occupied(e.col,o,e.size_x,e.size_y)||n.is_player_in(e.col,o)||n.is_in_queue(e.col,o,d))if(n.is_swap_occupied(m.cols[0],m.rows[0],e.size_x,e.size_y)||n.is_player_in(m.cols[0],m.rows[0])||n.is_in_queue(m.cols[0],m.rows[0],d))for(var p=0;l>p;p++)for(var q=0;k>q;q++){var r=m.cols[0]+p,s=m.rows[0]+q;if(!n.is_swap_occupied(r,s,e.size_x,e.size_y)&&!n.is_player_in(r,s)&&!n.is_in_queue(r,s,d)){f=n.queue_widget(r,s,d),p=l;break}}else f=n.queue_widget(m.cols[0],m.rows[0],d);else f=n.queue_widget(e.col,o,d);else f=n.queue_widget(e.col,m.rows[0],d);else f=n.queue_widget(g,e.row,d);else f=n.queue_widget(m.cols[0],e.row,d);else n.options.shift_larger_widgets_down&&!f&&j.each(a.proxy(function(b,c){{var d=a(c);d.coords().grid}n.can_go_down(d)&&(n.move_widget_down(d,n.player_grid_data.size_y),n.set_placeholder(h,i))}));n.clean_up_changed()})),f&&this.can_placeholder_be_set(h,i,l,k)){for(var o in this.w_queue){var p=parseInt(o.split("_")[0]),q=parseInt(o.split("_")[1]);"full"!==this.w_queue[o]&&this.new_move_widget_to(this.w_queue[o],p,q)}this.set_placeholder(h,i)}if(!j.length){var r=this.can_go_player_up(this.player_grid_data);r!==!1&&(i=r),this.can_placeholder_be_set(h,i,l,k)&&this.set_placeholder(h,i)}return this.w_queue={},{col:h,row:i}},h.is_swap_occupied=function(a,b,c,d){for(var e=!1,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=h+"_"+i;if(this.is_occupied(h,i))e=!0;else if(j in this.w_queue){if("full"===this.w_queue[j]){e=!0;continue}var k=this.w_queue[j],l=k.coords().grid;this.is_widget_under_player(l.col,l.row)||delete this.w_queue[j]}i>parseInt(this.options.max_rows)&&(e=!0),h>parseInt(this.options.max_cols)&&(e=!0),this.is_player_in(h,i)&&(e=!0)}return e},h.can_placeholder_be_set=function(a,b,c,d){for(var e=!0,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=this.is_widget(h,i);i>parseInt(this.options.max_rows)&&(e=!1),h>parseInt(this.options.max_cols)&&(e=!1),this.is_occupied(h,i)&&!this.is_widget_queued_and_can_move(j)&&(e=!1)}return e},h.queue_widget=function(a,b,c){var d=c,e=d.coords().grid,f=a+"_"+b;if(f in this.w_queue)return!1;this.w_queue[f]=d;for(var g=0;g<e.size_x;g++)for(var h=0;h<e.size_y;h++){var i=a+g,j=b+h,k=i+"_"+j;k!==f&&(this.w_queue[k]="full")}return!0},h.is_widget_queued_and_can_move=function(a){var b=!1;if(a===!1)return!1;for(var c in this.w_queue)if("full"!==this.w_queue[c]&&this.w_queue[c].attr("data-col")===a.attr("data-col")&&this.w_queue[c].attr("data-row")===a.attr("data-row")){b=!0;for(var d=this.w_queue[c],e=parseInt(c.split("_")[0]),f=parseInt(c.split("_")[1]),g=d.coords().grid,h=0;h<g.size_x;h++)for(var i=0;i<g.size_y;i++){var j=e+h,k=f+i;this.is_player_in(j,k)&&(b=!1)}}return b},h.is_in_queue=function(a,b,c){var d=!1,e=a+"_"+b;if(e in this.w_queue)if("full"===this.w_queue[e])d=!0;else{var f=this.w_queue[e],g=f.coords().grid;this.is_widget_under_player(g.col,g.row)?this.w_queue[e].attr("data-col")===c.attr("data-col")&&this.w_queue[e].attr("data-row")===c.attr("data-row")?(delete this.w_queue[e],d=!1):d=!0:(delete this.w_queue[e],d=!1)}return d},h.widgets_constraints=function(b){var c,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),c=b.not(e),{can_go_up:d.sort_by_row_asc(f),can_not_go_up:d.sort_by_row_desc(g)}},h.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.can_go_down(f)&&(console.log("In Move Down!"),this.move_widget_down(f,i),this.set_placeholder(c,d))}}},this)),this},h.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},h.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},h.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},h.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},h.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},h.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},h.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},h.is_static=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c&&c.hasClass(this.options.static_class)?!0:!1):!1},h.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},h.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},h.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.can_go_widget_up(e);f&&this.move_widget_to(d,f)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},h.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},h.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},h.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},h.on_start_overlapping_column=function(a){this.set_player(a,!1)},h.on_start_overlapping_row=function(a){this.set_player(!1,a)},h.on_stop_overlapping_column=function(a){var b=this;this.options.shift_larger_widgets_down&&this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},h.on_stop_overlapping_row=function(a){var b=this,c=this.cells_occupied_by_player.cols;if(this.options.shift_larger_widgets_down)for(var d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(a,c){console.log("from_on_stop_overlapping_row"),b.move_widget_up(this,b.player_grid_data.size_y)})},h.new_move_widget_to=function(a,b,c){var d=a.coords().grid;return this.remove_from_gridmap(d),d.row=c,d.col=b,this.add_to_gridmap(d),a.attr("data-row",c),a.attr("data-col",b),this.update_widget_position(d,a),this.$changed=this.$changed.add(a),this},h.move_widget=function(a,b,c,d){var e=a.coords().grid,f={col:b,row:c,size_x:e.size_x,size_y:e.size_y};return this.mutate_widget_in_gridmap(a,e,f),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,f.col,f.row),a},h.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=(c-e.row,this.widgets_below(b)),g=this.can_move_to(e,e.col,c);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},h.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;{this.widgets_below(b)}this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b)}}):!1},h.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},h.can_go_up_to_row=function(b,c,d){var e,f=this.gridmap,g=!0,h=[],i=b.row;if(this.for_each_column_occupied(b,function(a){f[a];for(h[a]=[],e=i;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)h[a].push(e);return h[a].length?void 0:(g=!1,!0)}),!g)return!1;for(e=d,e=1;i>e;e++){for(var j=!0,k=0,l=h.length;l>k;k++)h[k]&&-1===a.inArray(e,h[k])&&(j=!1);if(j===!0){g=e;break}}return g},h.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},h.widgets_below=function(b){var c=a([]),e=a.isPlainObject(b)?b:b.coords().grid;if(void 0===e)return c;var f=this,g=(this.gridmap,e.row+e.size_y-1);return this.for_each_column_occupied(e,function(b){f.for_each_widget_below(b,g,function(b,d){return f.is_player(this)||-1!==a.inArray(this,c)?void 0:(c=c.add(this),!0)})}),d.sort_by_row_asc(c)},h.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},h.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},h.can_go_down=function(b){var c=!0,d=this;return b.hasClass(this.options.static_class)&&(c=!1),this.widgets_below(b).each(function(){a(this).hasClass(d.options.static_class)&&(c=!1)}),c},h.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=(this.gridmap,!0);return 1===c?!1:(this.for_each_column_occupied(b,function(a){this.is_widget(a,d);return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},h.can_move_to=function(a,b,c){var d=(this.gridmap,a.el),e={size_y:a.size_y,size_x:a.size_x,col:b,row:c},f=!0;if(this.options.max_cols!==1/0){var g=b+a.size_x-1;if(g>this.cols)return!1}return this.options.max_rows<c+a.size_y-1?!1:(this.for_each_cell_occupied(e,function(b,c){var e=this.is_widget(b,c);!e||a.el&&!e.is(d)||(f=!1)}),f)},h.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},h.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},h.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},h.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},h.clean_up_changed=function(){var b=this;b.$changed.each(function(){b.options.shift_larger_widgets_down&&b.move_widget_up(a(this))})},h._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var 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j},h.get_widgets_at_cell=function(a,b){return this.get_widgets_in_range(a,b,a,b)},h.get_widgets_from=function(b,c){var d=a();return b&&(d=d.add(this.$widgets.filter(function(){var c=parseInt(a(this).attr("data-col"));return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=parseInt(a(this).attr("data-row"));return b===c||b>c}))),d},h.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=(b+1)*this.options.widget_margins[1]+b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},h.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.max_cols===1/0?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=(a+1)*this.options.widget_margins[0]+a*this.min_widget_width,this.is_responsive()?(this.$el.css({"min-width":"100vw","max-width":"100vw"}),this):(this.$el.css("width",this.container_width),this)},h.is_responsive=function(){return this.options.autogenerate_stylesheet&&"auto"===this.options.widget_base_dimensions[0]&&this.options.max_cols!==1/0},h.get_responsive_col_width=function(){var a=this.cols||this.options.max_cols;return(this.$el.width()-(a+1)*this.options.widget_margins[0])/a},h.resize_responsive_layout=function(){return this.min_widget_width=this.get_responsive_col_width(),this.generate_stylesheet(),this.update_widgets_dimensions(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this},h.toggle_collapsed_grid=function(a,b){return a?(this.$widgets.css({"margin-top":b.widget_margins[0],"margin-bottom":b.widget_margins[0],"min-height":b.widget_base_dimensions[1]}),this.$el.addClass("collapsed"),this.resize_api&&this.disable_resize(),this.drag_api&&this.disable()):(this.$widgets.css({"margin-top":"auto","margin-bottom":"auto","min-height":"auto"}),this.$el.removeClass("collapsed"),this.resize_api&&this.enable_resize(),this.drag_api&&this.enable()),this},h.generate_stylesheet=function(b){var c,e="",f=this.is_responsive()&&this.options.responsive_breakpoint&&a(window).width()<this.options.responsive_breakpoint;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),this.is_responsive()&&(b.widget_base_dimensions=[this.get_responsive_col_width(),b.widget_base_dimensions[1]],this.toggle_collapsed_grid(f,b));var g=a.param(b);if(a.inArray(g,d.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),d.generated_stylesheets.push(g),c=1;c<=b.cols+1;c++)e+=b.namespace+' [data-col="'+c+'"] { left:'+(f?this.options.widget_margins[0]:c*b.widget_margins[0]+(c-1)*b.widget_base_dimensions[0])+"px; }\n";for(c=1;c<=b.rows+1;c++)e+=b.namespace+' [data-row="'+c+'"] { top:'+(c*b.widget_margins[1]+(c-1)*b.widget_base_dimensions[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(f?"auto":h*b.widget_base_dimensions[1]+(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;i<=b.cols;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(f?a(window).width()-2*this.options.widget_margins[0]:i*b.widget_base_dimensions[0]+(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},h.add_style_tag=function(a){var b=document,c="gridster-stylesheet";if(""!==this.options.namespace&&(c=c+"-"+this.options.namespace),!document.getElementById(c)){var d=b.createElement("style");d.id=c,b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(document.createTextNode(a)),this.remove_style_tags(),this.$style_tags=this.$style_tags.add(d)}return this},h.remove_style_tags=function(){var b=d.generated_stylesheets,c=this.generated_stylesheets;this.$style_tags.remove(),d.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,c)?b:void 0})},h.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},h.add_faux_cell=function(b,c){var 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this.$widgets.each(function(b,d){c+=+a(d).attr("data-sizey")}),this.rows=this.options.max_rows,this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},h.destroy=function(b){return this.$el.removeData("gridster"),a.each(this.$widgets,function(){a(this).removeData("coords")}),f.unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.resize_api&&this.resize_api.destroy(),this.$widgets.each(function(b,c){a(c).coords().destroy()}),this.resize_api&&this.resize_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){var c=a(this);c.data("gridster")||c.data("gridster",new d(this,b))})},d});
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c={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},d=a(window),e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=c;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),d.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.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.$container.on(this.nsEvent("selectstart"),a.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,a.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,a.proxy(function(a){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(a))},this))},j.get_actual_pos=function(a){return a.position()},j.get_mouse_pos=function(a){if(a.originalEvent&&a.originalEvent.touches){var b=a.originalEvent;a=b.touches.length?b.touches[0]:b.changedTouches[0]}return{left:a.clientX,top:a.clientY}},j.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),c=Math.round(b.left-this.mouse_init_pos.left),d=Math.round(b.top-this.mouse_init_pos.top),e=Math.round(this.el_init_offset.left+c-this.baseX+this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),f=Math.round(this.el_init_offset.top+d-this.baseY+this.$scroll_container.scrollTop()-this.scroll_container_offset_y);return this.options.limit&&(e>this.player_max_left?e=this.player_max_left:e<this.player_min_left&&(e=this.player_min_left)),{position:{left:e,top:f},pointer:{left:b.left,top:b.top,diff_left:c+(this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),diff_top:d+(this.$scroll_container.scrollTop()-this.scroll_container_offset_y)}}},j.get_drag_data=function(a){var b=this.get_offset(a);return b.$player=this.$player,b.$helper=this.helper?this.$helper:this.$player,b},j.set_limits=function(a){return a||(a=this.$container.width()),this.player_max_left=a-this.player_width+-this.options.offset_left,this.options.container_width=a,this},j.scroll_in=function(a,b){var c,d=e[a],f=50,h=30,i="scroll"+g(d),j="x"===a,k=j?this.scroller_width:this.scroller_height;c=this.$scroll_container===window?j?this.$scroll_container.width():this.$scroll_container.height():j?this.$scroll_container[0].scrollWidth:this.$scroll_container[0].scrollHeight;var l,m=j?this.$player.width():this.$player.height(),n=this.$scroll_container[i](),o=n,p=o+k,q=p-f,r=o+f,s=o+b.pointer[d],t=c-k+m;return s>=q&&(l=n+h,t>l&&(this.$scroll_container[i](l),this["scroll_offset_"+a]+=h)),r>=s&&(l=n-h,l>0&&(this.$scroll_container[i](l),this["scroll_offset_"+a]-=h)),this},j.manage_scroll=function(a){this.scroll_in("x",a),this.scroll_in("y",a)},j.calculate_dimensions=function(){this.scroller_height=this.$scroll_container.height(),this.scroller_width=this.$scroll_container.width()},j.drag_handler=function(b){if(!this.disabled&&(1===b.which||f)&&!this.ignore_drag(b)){var c=this,d=!0;return this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging===!0&&c.on_dragmove.call(c,a),!1):!1}),f?void 0:!1}},j.on_dragstart=function(a){if(a.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var b=this.$container.offset();return this.baseX=Math.round(b.left),this.baseY=Math.round(b.top),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_container_offset_y=this.$scroll_container.scrollTop(),this.scroll_container_offset_x=this.$scroll_container.scrollLeft(),this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,a,this.get_drag_data(a)),!1},j.on_dragmove=function(a){var b=this.get_drag_data(a);this.options.autoscroll&&this.manage_scroll(b),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.position.left,top:b.position.top});var c=this.last_position||b.position;return b.prev_position=c,this.options.drag&&this.options.drag.call(this.$player,a,b),this.last_position=b.position,!1},j.on_dragstop=function(a){var b=this.get_drag_data(a);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,a,b),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},j.on_select_start=function(a){return this.disabled||this.ignore_drag(a)?void 0:!1},j.enable=function(){this.disabled=!1},j.disable=function(){this.disabled=!0},j.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),d.off(this.ns),a.removeData(this.$container,"drag")},j.ignore_drag=function(b){return this.options.handle?!a(b.target).is(this.options.handle):a.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(b):a(b.target).is(this.options.ignore_dragging.join(", "))},a.fn.gridDraggable=function(a){return new b(this,a)},a.fn.dragg=function(c){return this.each(function(){a.data(this,"drag")||a.data(this,"drag",new b(this,c))})},b}),function(a,b){"use strict";"object"==typeof exports?module.exports=b(require("jquery"),require("./jquery.draggable.js"),require("./jquery.collision.js"),require("./jquery.coords.js"),require("./utils.js")):"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],b):a.Gridster=b(a.$||a.jQuery,a.GridsterDraggable,a.GridsterCollision)}(this,function(a,b,c){"use strict";function d(b,c){this.options=a.extend(!0,{},g,c),this.options.draggable=this.options.draggable||{},this.options.draggable=a.extend(!0,{},this.options.draggable,{scroll_container:this.options.scroll_container}),this.$el=a(b),this.$scroll_container=this.options.scroll_container===window?a(window):this.$el.closest(this.options.scroll_container),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.$changed=a([]),this.w_queue={},this.min_widget_width=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],this.min_widget_height=this.options.widget_base_dimensions[1],this.min_col_count=this.options.min_cols,this.prev_col_count=this.min_col_count,this.generated_stylesheets=[],this.$style_tags=a([]),this.options.auto_init&&this.init()}function e(a){for(var b=["col","row","size_x","size_y"],c={},d=0,e=b.length;e>d;d++){var f=b[d];if(!(f in a))throw new Error("Not exists property `"+f+"`");var g=a[f];if(!g||isNaN(g))throw new Error("Invalid value of `"+f+"` property");c[f]=+g}return c}var f=a(window),g={namespace:"",widget_selector:"li",static_class:"static",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:1,max_rows:15,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,center_widgets:!1,responsive_breakpoint:!1,scroll_container:window,shift_larger_widgets_down:!0,serialize_params:function(a,b){return{col:b.col,row:b.row,size_x:b.size_x,size_y:b.size_y}},collision:{},draggable:{items:".gs-w:not(.static)",distance:4,ignore_dragging:b.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]}};d.defaults=g,d.generated_stylesheets=[],d.sort_by_row_asc=function(b){return b=b.sort(function(b,c){return b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b=e(b),c=e(c),b.row>c.row?1:-1})},d.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},d.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.col>b.col?1:-1})},d.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row+a.size_y<b.row+b.size_y?1:-1})};var h=d.prototype;return h.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.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),f.bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},h.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},h.enable=function(){return this.drag_api.enable(),this},h.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},h.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},h.add_widget=function(b,c,d,e,f,g,h,i){var j;c||(c=1),d||(d=1),e||f?(j={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d)):j=this.next_position(c,d);var k=a(b).attr({"data-col":j.col,"data-row":j.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();this.$widgets=this.$widgets.add(k),this.$changed=this.$changed.add(k),this.register_widget(k);var l=parseInt(j.row)+(parseInt(j.size_y)-1);return this.rows<l&&this.add_faux_rows(l-this.rows),g&&this.set_widget_max_size(k,g),h&&this.set_widget_min_size(k,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),k.fadeIn({complete:function(){i&&i.call(this)}})},h.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},h.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},h.add_resize_handle=function(b){var c=this.options.resize.handle_append_to?a(this.options.resize.handle_append_to,b):b;return 0===c.children("span[class~='"+this.resize_handle_class+"']").length&&a(this.resize_handle_tpl).appendTo(c),this},h.resize_widget=function(a,b,c,d,e){var f=a.coords().grid,g=f.col;d!==!1&&(d=!0);var h=f.size_y,i=f.col,j=i;if(b||(b=f.size_x),c||(c=f.size_y),d&&i+b-1>this.cols){var k=i+(b-1)-this.cols,l=i-k;j=Math.max(1,l)}c>h&&this.add_faux_rows(Math.max(c-h,0));var m=g+b-1;m>this.cols&&this.add_faux_cols(m-this.cols);var n={col:j,row:f.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,f,n),this.set_dom_grid_height(),this.set_dom_grid_width(),e&&e.call(this,n.size_x,n.size_y),a},h.expand_widget=function(b,c,d,e,f){var g=b.coords().grid,h=Math.floor((a(window).width()-2*this.options.widget_margins[0])/this.min_widget_width);c=c||Math.min(h,this.cols),d||(d=g.size_y);var i=g.size_y;b.attr("pre_expand_col",g.col),b.attr("pre_expand_sizex",g.size_x),b.attr("pre_expand_sizey",g.size_y);var j=e||1;d>i&&this.add_faux_rows(Math.max(d-i,0));var k={col:j,row:g.row,size_x:c,size_y:d};return this.mutate_widget_in_gridmap(b,g,k),this.set_dom_grid_height(),this.set_dom_grid_width(),f&&f.call(this,k.size_x,k.size_y),b},h.collapse_widget=function(a,b){var c=a.coords().grid,d=parseInt(a.attr("pre_expand_sizex")),e=parseInt(a.attr("pre_expand_sizey")),f=parseInt(a.attr("pre_expand_col")),g={col:f,row:c.row,size_x:d,size_y:e};return this.mutate_widget_in_gridmap(a,c,g),this.set_dom_grid_height(),this.set_dom_grid_width(),b&&b.call(this,g.size_x,g.size_y),a},h.fit_to_content=function(a,b,c,d){var e=a.coords().grid,f=this.$wrapper.width(),g=this.$wrapper.height(),h=this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0],i=this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1],j=Math.ceil((f+2*this.options.widget_margins[0])/h),k=Math.ceil((g+2*this.options.widget_margins[1])/i),l={col:e.col,row:e.row,size_x:Math.min(b,j),size_y:Math.min(c,k)};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},h.center_widgets=debounce(function(){var b,c=this.$wrapper.width();b=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0];var d=2*Math.floor(Math.max(Math.floor(c/b),this.min_col_count)/2);this.options.min_cols=d,this.options.max_cols=d,this.options.extra_cols=0,this.set_dom_grid_width(d),this.cols=d;var e=(d-this.prev_col_count)/2;return 0>e?(this.get_min_col()>-1*e?this.shift_cols(e):this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)):e>0?(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.shift_cols(e)},this),0)):(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)),this.prev_col_count=d,this},200),h.get_min_col=function(){return Math.min.apply(Math,this.$widgets.map(a.proxy(function(b,c){return this.get_cells_occupied(a(c).coords().grid).cols},this)).get())},h.shift_cols=function(b){var c=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));c=d.sort_by_row_and_col_asc(c),c.each(a.proxy(function(c,d){var e=a(d.el),f=e.coords().grid,g=parseInt(e.attr("data-col")),h={col:Math.max(Math.round(g+b),1),row:f.row,size_x:f.size_x,size_y:f.size_y};setTimeout(a.proxy(function(){this.mutate_widget_in_gridmap(e,f,h)},this),0)},this))},h.resize_widget_dimensions=function(b){return b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),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.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this},h.mutate_widget_in_gridmap=function(b,c,d){var e=c.size_y,f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h[h.length-1]-h[0]+1,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},h.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d),g=f.coords().grid;if(g.row<=c+e-1){var h=c+e-g.row;this.move_widget_down(f,h)}},this)),this.set_dom_grid_height(),this},h.remove_empty_cells=function(a,b,c,d,e){return this.set_dom_grid_height(),this},h.next_position=function(a,b){a||(a=1),b||(b=1);for(var c,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){c=e[h].length;for(var i=1;c>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?d.sort_by_row_and_col_asc(g)[0]:!1},h.remove_by_grid=function(a,b){var c=this.is_widget(a,b);c&&this.remove_widget(c)},h.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;if(void 0===f)return this;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},h.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},h.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){var e=a(d);"undefined"!=typeof e.coords().grid&&c.push(this.options.serialize_params(e,e.coords().grid))},this)),c},h.serialize_changed=function(){return this.serialize(this.$changed)},h.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},h.register_widget=function(b){var c=b instanceof a,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);if(f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)){if(!b.hasClass(".disp_ad"))return b.remove(),!1;a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0}return b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},h.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},h.update_widget_dimensions=function(a,b,c){return a.data("coords").update({width:b,height:c}),this},h.update_widgets_dimensions=function(){return a.each(this.$widgets,a.proxy(function(b,c){var d=a(c).coords().grid,e=d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],f=d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1];this.update_widget_dimensions(a(c),e,f)},this)),this},h.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},h.add_to_gridmap=function(a,b){this.update_widget_position(a,b||a.el)},h.draggable=function(){var b=this,c=a.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+(this.cols+1)*this.options.widget_margins[0],limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});this.drag_api=this.$el.dragg(c).data("drag")},h.resizable=function(){return this.resize_api=this.$el.gridDraggable({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.max_cols!==1/0,scroll_container:this.options.scroll_container,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},h.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},h.on_start_drag=function(b,c){this.$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=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.max_cols===1/0&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=this.$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.$helper.collision(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},h.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.max_cols===1/0){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},h.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.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,a,b),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.w_queue={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$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:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.is_responsive()||this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$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.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},h.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:"","min-width":"","min-height":""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({
+"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width)},h.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.max_cols===1/0,o=Math.ceil(d/(f+2*h)-.2),p=Math.ceil(e/(g+2*i)-.2),q=Math.max(1,this.resize_initial_sizex+o),r=Math.max(1,this.resize_initial_sizey+p),s=Math.floor(this.container_width/this.min_widget_width-this.resize_initial_col+1),t=s*this.min_widget_width+(s-1)*h;q=Math.max(Math.min(q,j),k),q=Math.min(s,q),c=j*f+(q-1)*h;var u=Math.min(c,t),v=k*f+(q-1)*h;r=Math.max(Math.min(r,l),m);var w=l*g+(r-1)*i,x=m*g+(r-1)*i;if(this.resize_dir.right?r=this.resize_initial_sizey:this.resize_dir.bottom&&(q=this.resize_initial_sizex),n){var y=this.resize_initial_col+q-1;n&&this.resize_initial_last_col<=y&&(this.set_dom_grid_width(Math.max(y+1,this.cols)),this.cols<y&&this.add_faux_cols(y-this.cols))}var z={};!this.resize_dir.bottom&&(z.width=Math.max(Math.min(this.resize_initial_width+d,u),v)),!this.resize_dir.right&&(z.height=Math.max(Math.min(this.resize_initial_height+e,w),x)),this.$resized_widget.css(z),(q!==this.resize_last_sizex||r!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,q,r,!1),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":q,"data-sizey":r})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=q,this.resize_last_sizey=r},h.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},h.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},h.set_player=function(b,c,d){var e=this,f=!1;d||this.empty_cells_player_occupies();var g=d?{col:b}:e.colliders_data[0].el.data,h=g.col,i=g.row||c;this.player_grid_data={col:h,row:i,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),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data);var j=this.get_widgets_overlapped(this.player_grid_data),k=this.player_grid_data.size_y,l=this.player_grid_data.size_x,m=this.cells_occupied_by_placeholder,n=this;if(j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,g=m.cols[0]+l-1,o=m.rows[0]+k-1;if(d.hasClass(n.options.static_class))return!0;if(e.size_x<=l&&e.size_y<=k)if(n.is_swap_occupied(m.cols[0],e.row,e.size_x,e.size_y)||n.is_player_in(m.cols[0],e.row)||n.is_in_queue(m.cols[0],e.row,d))if(n.is_swap_occupied(g,e.row,e.size_x,e.size_y)||n.is_player_in(g,e.row)||n.is_in_queue(g,e.row,d))if(n.is_swap_occupied(e.col,m.rows[0],e.size_x,e.size_y)||n.is_player_in(e.col,m.rows[0])||n.is_in_queue(e.col,m.rows[0],d))if(n.is_swap_occupied(e.col,o,e.size_x,e.size_y)||n.is_player_in(e.col,o)||n.is_in_queue(e.col,o,d))if(n.is_swap_occupied(m.cols[0],m.rows[0],e.size_x,e.size_y)||n.is_player_in(m.cols[0],m.rows[0])||n.is_in_queue(m.cols[0],m.rows[0],d))for(var p=0;l>p;p++)for(var q=0;k>q;q++){var r=m.cols[0]+p,s=m.rows[0]+q;if(!n.is_swap_occupied(r,s,e.size_x,e.size_y)&&!n.is_player_in(r,s)&&!n.is_in_queue(r,s,d)){f=n.queue_widget(r,s,d),p=l;break}}else f=n.queue_widget(m.cols[0],m.rows[0],d);else f=n.queue_widget(e.col,o,d);else f=n.queue_widget(e.col,m.rows[0],d);else f=n.queue_widget(g,e.row,d);else f=n.queue_widget(m.cols[0],e.row,d);else n.options.shift_larger_widgets_down&&!f&&j.each(a.proxy(function(b,c){var d=a(c);n.can_go_down(d)&&(n.move_widget_down(d,n.player_grid_data.size_y),n.set_placeholder(h,i))}));n.clean_up_changed()})),f&&this.can_placeholder_be_set(h,i,l,k)){for(var o in this.w_queue){var p=parseInt(o.split("_")[0]),q=parseInt(o.split("_")[1]);"full"!==this.w_queue[o]&&this.new_move_widget_to(this.w_queue[o],p,q)}this.set_placeholder(h,i)}if(!j.length){var r=this.can_go_player_up(this.player_grid_data);r!==!1&&(i=r),this.can_placeholder_be_set(h,i,l,k)&&this.set_placeholder(h,i)}return this.w_queue={},{col:h,row:i}},h.is_swap_occupied=function(a,b,c,d){for(var e=!1,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=h+"_"+i;if(this.is_occupied(h,i))e=!0;else if(j in this.w_queue){if("full"===this.w_queue[j]){e=!0;continue}var k=this.w_queue[j],l=k.coords().grid;this.is_widget_under_player(l.col,l.row)||delete this.w_queue[j]}i>parseInt(this.options.max_rows)&&(e=!0),h>parseInt(this.options.max_cols)&&(e=!0),this.is_player_in(h,i)&&(e=!0)}return e},h.can_placeholder_be_set=function(a,b,c,d){for(var e=!0,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=this.is_widget(h,i);i>parseInt(this.options.max_rows)&&(e=!1),h>parseInt(this.options.max_cols)&&(e=!1),this.is_occupied(h,i)&&!this.is_widget_queued_and_can_move(j)&&(e=!1)}return e},h.queue_widget=function(a,b,c){var d=c,e=d.coords().grid,f=a+"_"+b;if(f in this.w_queue)return!1;this.w_queue[f]=d;for(var g=0;g<e.size_x;g++)for(var h=0;h<e.size_y;h++){var i=a+g,j=b+h,k=i+"_"+j;k!==f&&(this.w_queue[k]="full")}return!0},h.is_widget_queued_and_can_move=function(a){var b=!1;if(a===!1)return!1;for(var c in this.w_queue)if("full"!==this.w_queue[c]&&this.w_queue[c].attr("data-col")===a.attr("data-col")&&this.w_queue[c].attr("data-row")===a.attr("data-row")){b=!0;for(var d=this.w_queue[c],e=parseInt(c.split("_")[0]),f=parseInt(c.split("_")[1]),g=d.coords().grid,h=0;h<g.size_x;h++)for(var i=0;i<g.size_y;i++){var j=e+h,k=f+i;this.is_player_in(j,k)&&(b=!1)}}return b},h.is_in_queue=function(a,b,c){var d=!1,e=a+"_"+b;if(e in this.w_queue)if("full"===this.w_queue[e])d=!0;else{var f=this.w_queue[e],g=f.coords().grid;this.is_widget_under_player(g.col,g.row)?this.w_queue[e].attr("data-col")===c.attr("data-col")&&this.w_queue[e].attr("data-row")===c.attr("data-row")?(delete this.w_queue[e],d=!1):d=!0:(delete this.w_queue[e],d=!1)}return d},h.widgets_constraints=function(b){var c,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),c=b.not(e),{can_go_up:d.sort_by_row_asc(f),can_not_go_up:d.sort_by_row_desc(g)}},h.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.can_go_down(f)&&(console.log("In Move Down!"),this.move_widget_down(f,i),this.set_placeholder(c,d))}}},this)),this},h.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},h.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},h.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},h.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},h.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},h.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},h.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},h.is_static=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c&&c.hasClass(this.options.static_class)?!0:!1):!1},h.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},h.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},h.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.can_go_widget_up(e);f&&this.move_widget_to(d,f)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},h.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},h.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},h.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},h.on_start_overlapping_column=function(a){this.set_player(a,!1)},h.on_start_overlapping_row=function(a){this.set_player(!1,a)},h.on_stop_overlapping_column=function(a){var b=this;this.options.shift_larger_widgets_down&&this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},h.on_stop_overlapping_row=function(a){var b=this,c=this.cells_occupied_by_player.cols;if(this.options.shift_larger_widgets_down)for(var d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(a,c){console.log("from_on_stop_overlapping_row"),b.move_widget_up(this,b.player_grid_data.size_y)})},h.new_move_widget_to=function(a,b,c){var d=a.coords().grid;return this.remove_from_gridmap(d),d.row=c,d.col=b,this.add_to_gridmap(d),a.attr("data-row",c),a.attr("data-col",b),this.update_widget_position(d,a),this.$changed=this.$changed.add(a),this},h.move_widget=function(a,b,c,d){var e=a.coords().grid,f={col:b,row:c,size_x:e.size_x,size_y:e.size_y};return this.mutate_widget_in_gridmap(a,e,f),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,f.col,f.row),a},h.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=this.widgets_below(b),g=this.can_move_to(e,e.col,c);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},h.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b)}}):!1},h.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},h.can_go_up_to_row=function(b,c,d){var e,f=!0,g=[],h=b.row;if(this.for_each_column_occupied(b,function(a){for(g[a]=[],e=h;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)g[a].push(e);return g[a].length?void 0:(f=!1,!0)}),!f)return!1;for(e=d,e=1;h>e;e++){for(var i=!0,j=0,k=g.length;k>j;j++)g[j]&&-1===a.inArray(e,g[j])&&(i=!1);if(i===!0){f=e;break}}return f},h.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},h.widgets_below=function(b){var c=a([]),e=a.isPlainObject(b)?b:b.coords().grid;if(void 0===e)return c;var f=this,g=e.row+e.size_y-1;return this.for_each_column_occupied(e,function(b){f.for_each_widget_below(b,g,function(b,d){return f.is_player(this)||-1!==a.inArray(this,c)?void 0:(c=c.add(this),!0)})}),d.sort_by_row_asc(c)},h.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},h.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},h.can_go_down=function(b){var c=!0,d=this;return b.hasClass(this.options.static_class)&&(c=!1),this.widgets_below(b).each(function(){a(this).hasClass(d.options.static_class)&&(c=!1)}),c},h.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=!0;return 1===c?!1:(this.for_each_column_occupied(b,function(a){return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},h.can_move_to=function(a,b,c){var d=a.el,e={size_y:a.size_y,size_x:a.size_x,col:b,row:c},f=!0;if(this.options.max_cols!==1/0){var g=b+a.size_x-1;if(g>this.cols)return!1}return this.options.max_rows<c+a.size_y-1?!1:(this.for_each_cell_occupied(e,function(b,c){var e=this.is_widget(b,c);!e||a.el&&!e.is(d)||(f=!1)}),f)},h.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},h.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},h.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},h.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},h.clean_up_changed=function(){var b=this;b.$changed.each(function(){b.options.shift_larger_widgets_down&&b.move_widget_up(a(this))})},h._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){for(;m--&&!(m>0&&this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]),h)););},"for_each/below":function(){for(m=e+1,i=g[d].length;i>m;m++)this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]))}};n[j]&&n[j].call(this)}},h.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},h.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},h.get_highest_occupied_cell=function(){for(var a,b=this.gridmap,c=b[1].length,d=[],e=[],f=b.length-1;f>=1;f--)for(a=c-1;a>=1;a--)if(this.is_widget(f,a)){d.push(a),e.push(f);break}return{col:Math.max.apply(Math,e),row:Math.max.apply(Math,d)}},h.get_widgets_in_range=function(b,c,d,e){var f,g,h,i,j=a([]);for(f=d;f>=b;f--)for(g=e;g>=c;g--)h=this.is_widget(f,g),h!==!1&&(i=h.data("coords").grid,i.col>=b&&i.col<=d&&i.row>=c&&i.row<=e&&(j=j.add(h)));return j},h.get_widgets_at_cell=function(a,b){return this.get_widgets_in_range(a,b,a,b)},h.get_widgets_from=function(b,c){var d=a();return b&&(d=d.add(this.$widgets.filter(function(){var c=parseInt(a(this).attr("data-col"));return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=parseInt(a(this).attr("data-row"));return b===c||b>c}))),d},h.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=(b+1)*this.options.widget_margins[1]+b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},h.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.max_cols===1/0?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=(a+1)*this.options.widget_margins[0]+a*this.min_widget_width,this.is_responsive()?(this.$el.css({"min-width":"100vw","max-width":"100vw"}),this):(this.$el.css("width",this.container_width),this)},h.is_responsive=function(){return this.options.autogenerate_stylesheet&&"auto"===this.options.widget_base_dimensions[0]&&this.options.max_cols!==1/0},h.get_responsive_col_width=function(){var a=this.cols||this.options.max_cols;return(this.$el.width()-(a+1)*this.options.widget_margins[0])/a},h.resize_responsive_layout=function(){return this.min_widget_width=this.get_responsive_col_width(),this.generate_stylesheet(),this.update_widgets_dimensions(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this},h.toggle_collapsed_grid=function(a,b){return a?(this.$widgets.css({"margin-top":b.widget_margins[0],"margin-bottom":b.widget_margins[0],"min-height":b.widget_base_dimensions[1]}),this.$el.addClass("collapsed"),this.resize_api&&this.disable_resize(),this.drag_api&&this.disable()):(this.$widgets.css({"margin-top":"auto","margin-bottom":"auto","min-height":"auto"}),this.$el.removeClass("collapsed"),this.resize_api&&this.enable_resize(),this.drag_api&&this.enable()),this},h.generate_stylesheet=function(b){var c,e="",f=this.is_responsive()&&this.options.responsive_breakpoint&&a(window).width()<this.options.responsive_breakpoint;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),this.is_responsive()&&(b.widget_base_dimensions=[this.get_responsive_col_width(),b.widget_base_dimensions[1]],this.toggle_collapsed_grid(f,b));var g=a.param(b);if(a.inArray(g,d.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),d.generated_stylesheets.push(g),c=1;c<=b.cols+1;c++)e+=b.namespace+' [data-col="'+c+'"] { left:'+(f?this.options.widget_margins[0]:c*b.widget_margins[0]+(c-1)*b.widget_base_dimensions[0])+"px; }\n";for(c=1;c<=b.rows+1;c++)e+=b.namespace+' [data-row="'+c+'"] { top:'+(c*b.widget_margins[1]+(c-1)*b.widget_base_dimensions[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(f?"auto":h*b.widget_base_dimensions[1]+(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;i<=b.cols;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(f?a(window).width()-2*this.options.widget_margins[0]:i*b.widget_base_dimensions[0]+(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},h.add_style_tag=function(a){var b=document,c="gridster-stylesheet";if(""!==this.options.namespace&&(c=c+"-"+this.options.namespace),!document.getElementById(c)){var d=b.createElement("style");d.id=c,b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(document.createTextNode(a)),this.remove_style_tags(),this.$style_tags=this.$style_tags.add(d)}return this},h.remove_style_tags=function(){var b=d.generated_stylesheets,c=this.generated_stylesheets;this.$style_tags.remove(),d.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,c)?b:void 0})},h.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},h.add_faux_cell=function(b,c){var d=a({left:this.baseX+(c-1)*this.min_widget_width,top:this.baseY+(b-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:c,row:b,original_col:c,original_row:b}).coords();return a.isArray(this.gridmap[c])||(this.gridmap[c]=[]),"undefined"==typeof this.gridmap[c][b]&&(this.gridmap[c][b]=!1),this.faux_grid.push(d),this},h.add_faux_rows=function(a){a=window.parseInt(a,10);for(var b=this.rows,c=b+parseInt(a||1),d=c;d>b;d--)for(var e=this.cols;e>=1;e--)this.add_faux_cell(d,e);return this.rows=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.add_faux_cols=function(a){a=window.parseInt(a,10);var b=this.cols,c=b+parseInt(a||1);c=Math.min(c,this.options.max_cols);for(var d=b+1;c>=d;d++)for(var e=this.rows;e>=1;e--)this.add_faux_cell(e,d);return this.cols=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.recalculate_faux_grid=function(){var b=this.$wrapper.width();return this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this.is_responsive()&&this.resize_responsive_layout(),this.options.center_widgets&&this.center_widgets(),this},h.resize_widget_dimensions=function(b){return b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this},h.get_widgets_from_DOM=function(){var b=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));b=d.sort_by_row_and_col_asc(b);var c=a(b).map(a.proxy(function(a,b){return this.register_widget(b)||null},this));return c.length&&this.$el.trigger("gridster:positionschanged"),this},h.get_num_widgets=function(){return this.$widgets.size()},h.set_num_columns=function(b){var c=this.options.max_cols,d=Math.floor(b/(this.min_widget_width+this.options.widget_margins[0]))+this.options.extra_cols,e=this.$widgets.map(function(){return a(this).attr("data-col")}).get();e.length||(e=[0]);var f=Math.max.apply(Math,e);this.cols=Math.max(f,d,this.options.min_cols),c!==1/0&&c>=f&&c<this.cols&&(this.cols=c),this.drag_api&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.generate_grid_and_stylesheet=function(){var b=this.$wrapper.width();this.set_num_columns(b);var c=this.options.extra_rows;return this.$widgets.each(function(b,d){c+=+a(d).attr("data-sizey")}),this.rows=this.options.max_rows,this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},h.destroy=function(b){return this.$el.removeData("gridster"),a.each(this.$widgets,function(){a(this).removeData("coords")}),f.unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.resize_api&&this.resize_api.destroy(),this.$widgets.each(function(b,c){a(c).coords().destroy()}),this.resize_api&&this.resize_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){var c=a(this);c.data("gridster")||c.data("gridster",new d(this,b))})},d});
\ No newline at end of file
diff --git a/dist/jquery.gridster.with-extras.js b/dist/jquery.gridster.with-extras.js
index 56f2066e96..96ee45c0a7 100644
--- a/dist/jquery.gridster.with-extras.js
+++ b/dist/jquery.gridster.with-extras.js
@@ -1,8 +1,9 @@
-/*! gridster.js - v0.6.7 - 2015-04-16
+/*! gridster.js - v0.6.7 - 2015-04-28
 * http://gridster.net/
 * Copyright (c) 2015 ducksboard; Licensed MIT */
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -13,6 +14,7 @@
     }
 
 }(this, function($) {
+	'use strict';
     /**
     * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height)
     * to simulate DOM elements on the screen.
@@ -128,6 +130,7 @@
 }));
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -139,7 +142,7 @@
     }
 
 }(this, function($, Coords) {
-
+	'use strict';
     var defaults = {
         colliders_context: document.body,
         overlapping_region: 'C'
@@ -367,7 +370,7 @@
 }));
 
 (function (window, undefined) {
-
+	'use strict';
 	/* Delay, debounce and throttle functions taken from underscore.js
 	 *
 	 * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and
@@ -464,7 +467,7 @@
     }
 
 }(this, function($) {
-
+	'use strict';
     var defaults = {
         items: 'li',
         distance: 1,
@@ -898,6 +901,7 @@
 }));
 
 (function (root, factory) {
+	'use strict';
 	if (typeof exports === 'object') {
 		module.exports = factory(require('jquery'), require('./jquery.draggable.js'), require('./jquery.collision.js'), require('./jquery.coords.js'), require('./utils.js'));
 	}
@@ -909,7 +913,7 @@
 	}
 
 }(this, function ($, Draggable, Collision) {
-
+	'use strict';
 	var $window = $(window),
 			defaults = {
 				namespace: '',
@@ -1269,7 +1273,7 @@
 		size_x || (size_x = 1);
 		size_y || (size_y = 1);
 
-		if (!col & !row) {
+		if (!col && !row) {
 			pos = this.next_position(size_x, size_y);
 		} else {
 			pos = {
@@ -1390,7 +1394,7 @@
 	fn.add_resize_handle = function ($w) {
 		var $append_to = this.options.resize.handle_append_to ? $(this.options.resize.handle_append_to, $w) : $w;
 
-		if (($append_to.children("span[class~='" + this.resize_handle_class + "']")).length === 0) {
+		if (($append_to.children('span[class~=\'' + this.resize_handle_class + '\']')).length === 0) {
 			$(this.resize_handle_tpl).appendTo($append_to);
 		}
 
@@ -1416,7 +1420,6 @@
 	fn.resize_widget = function ($widget, size_x, size_y, reposition, callback) {
 		var wgd = $widget.coords().grid;
 		var col = wgd.col;
-		var max_cols = this.options.max_cols;
 		reposition !== false && (reposition = true);
 		var old_size_y = wgd.size_y;
 		var old_col = wgd.col;
@@ -1698,7 +1701,6 @@
 		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];
 
-		var serializedGrid = this.serialize();
 		this.$widgets.each($.proxy(function (i, widget) {
 			var $widget = $(widget);
 			this.resize_widget($widget);
@@ -1874,14 +1876,14 @@
 	 * @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({
+		/*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) {
 		 console.log("from_remove")
 		 this.move_widget_up( $(widget), size_y );
@@ -2851,7 +2853,6 @@
 			} else if ($gr.options.shift_larger_widgets_down && !swap) {
 				$overlapped_widgets.each($.proxy(function (i, w) {
 					var $w = $(w);
-					var wgd = $w.coords().grid;
 
 					if ($gr.can_go_down($w)) {
 						$gr.move_widget_down($w, $gr.player_grid_data.size_y);
@@ -2874,9 +2875,9 @@
 		//Move queued widgets
 		if (swap && this.can_placeholder_be_set(to_col, to_row, player_size_x, player_size_y)) {
 			for (var key in this.w_queue) {
-				var _col = parseInt(key.split("_")[0]);
-				var _row = parseInt(key.split("_")[1]);
-				if (this.w_queue[key] !== "full") {
+				var _col = parseInt(key.split('_')[0]);
+				var _row = parseInt(key.split('_')[1]);
+				if (this.w_queue[key] !== 'full') {
 					this.new_move_widget_to(this.w_queue[key], _col, _row);
 				}
 			}
@@ -2910,7 +2911,7 @@
 			for (var r = 0; r < w_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (this.is_occupied(colc, rowc)) {
 					occupied = true;
 				} else if (key in this.w_queue) {
@@ -2946,7 +2947,6 @@
 			for (var r = 0; r < player_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
 				var $tw = this.is_widget(colc, rowc);
 				//if this space is occupied and not queued for move.
 				if (rowc > parseInt(this.options.max_rows)) {
@@ -2966,7 +2966,7 @@
 	fn.queue_widget = function (col, row, $widget) {
 		var $w = $widget;
 		var wgd = $w.coords().grid;
-		var primary_key = col + "_" + row;
+		var primary_key = col + '_' + row;
 		if (primary_key in this.w_queue) {
 			return false;
 		}
@@ -2977,11 +2977,11 @@
 			for (var r = 0; r < wgd.size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (key === primary_key) {
 					continue;
 				}
-				this.w_queue[key] = "full";
+				this.w_queue[key] = 'full';
 			}
 		}
 
@@ -2995,15 +2995,15 @@
 		}
 
 		for (var key in this.w_queue) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				continue;
 			}
-			if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+			if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 				queued = true;
 				//test whole space
 				var $w = this.w_queue[key];
-				var dcol = parseInt(key.split("_")[0]);
-				var drow = parseInt(key.split("_")[1]);
+				var dcol = parseInt(key.split('_')[0]);
+				var drow = parseInt(key.split('_')[1]);
 				var wgd = $w.coords().grid;
 
 				for (var c = 0; c < wgd.size_x; c++) {
@@ -3025,10 +3025,10 @@
 
 	fn.is_in_queue = function (col, row, $widget) {
 		var queued = false;
-		var key = col + "_" + row;
+		var key = col + '_' + row;
 
 		if ((key in this.w_queue)) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				queued = true;
 			} else {
 				var $tw = this.w_queue[key];
@@ -3036,7 +3036,7 @@
 				if (!this.is_widget_under_player(tgd.col, tgd.row)) {
 					delete this.w_queue[key];
 					queued = false;
-				} else if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+				} else if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 					delete this.w_queue[key];
 					queued = false;
 				} else {
@@ -3123,7 +3123,7 @@
 					// overlaps player
 					var y = (to_row + this.player_grid_data.size_y) - wgd.row;
 					if (this.can_go_down($w)) {
-						console.log("In Move Down!");
+						console.log('In Move Down!');
 						this.move_widget_down($w, y);
 						this.set_placeholder(to_col, to_row);
 					}
@@ -3593,7 +3593,6 @@
 	 * @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);
@@ -3678,7 +3677,7 @@
 			/*jshint -W083 */
 			for (var c = 0, cl = cols.length; c < cl; c++) {
 				this.for_each_widget_below(cols[c], row, function (tcol, trow) {
-					console.log("from_on_stop_overlapping_row");
+					console.log('from_on_stop_overlapping_row');
 					self.move_widget_up(this, self.player_grid_data.size_y);
 				});
 			}
@@ -3688,7 +3687,6 @@
 
 	//Not yet part of api - DM.
 	fn.new_move_widget_to = function ($widget, col, row) {
-		var self = this;
 		var widget_grid_data = $widget.coords().grid;
 
 		this.remove_from_gridmap(widget_grid_data);
@@ -3754,7 +3752,6 @@
 	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(
@@ -3796,7 +3793,6 @@
 		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)) {
@@ -3815,8 +3811,6 @@
 					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);
@@ -3826,7 +3820,7 @@
 				moved.push($widget);
 
 				/* $next_widgets.each($.proxy(function(i, widget) {
-				 console.log("from_within_move_widget_up");
+				 console.log('from_within_move_widget_up');
 				 this.move_widget_up($(widget), y_units);
 				 }, this)); */
 			}
@@ -3902,7 +3896,6 @@
 	 *  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;
@@ -3911,7 +3904,6 @@
 		/* 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;
@@ -3996,7 +3988,6 @@
 			return $nexts;
 		}
 		var self = this;
-		var ga = this.gridmap;
 		var next_row = el_grid_data.row + el_grid_data.size_y - 1;
 
 		this.for_each_column_occupied(el_grid_data, function (col) {
@@ -4063,8 +4054,6 @@
 		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) {
@@ -4072,8 +4061,6 @@
 		}
 
 		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) ||
@@ -4101,7 +4088,6 @@
 	 * @return {Boolean} Returns true if all cells are empty, else return false.
 	 */
 	fn.can_move_to = function (widget_grid_data, col, row) {
-		var ga = this.gridmap;
 		var $w = widget_grid_data.el;
 		var future_wd = {
 			size_y: widget_grid_data.size_y,
@@ -4399,8 +4385,6 @@
 	 * @returns {*|jQuery|HTMLElement} - a collection of the cells within the range
 	 */
 	fn.get_widgets_in_range = function (col1, row1, col2, row2) {
-		var valid_cols = [];
-		var valid_rows = [];
 		var $widgets = $([]);
 		var c, r, $w, wgd;
 
@@ -5028,7 +5012,8 @@
 }));
 
 ;(function(root, factory) {
-    if(typeof exports === 'object') {
+	'use strict';
+	if(typeof exports === 'object') {
         module.exports = factory(require('jquery'), require('./jquery-gridster.js'));
     }
     else if (typeof define === 'function' && define.amd) {
@@ -5038,7 +5023,7 @@
     }
 
 }(this, function($, Gridster) {
-
+	'use strict';
     var fn = Gridster.prototype;
 
     fn.widgets_in_col = function(col) {
@@ -5163,7 +5148,6 @@
 
 
     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--) {
diff --git a/dist/jquery.gridster.with-extras.min.js b/dist/jquery.gridster.with-extras.min.js
index 57b7eb9d2d..97131f020b 100644
--- a/dist/jquery.gridster.with-extras.min.js
+++ b/dist/jquery.gridster.with-extras.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.6.7 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ !function(a,b){"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],b):a.GridsterCoords=b(a.$||a.jQuery)}(this,function(a){function b(b){return b[0]&&a.isPlainObject(b[0])?this.data=b[0]:this.el=b,this.isCoords=!0,this.coords={},this.init(),this}var c=b.prototype;return c.init=function(){this.set(),this.original_coords=this.get()},c.set=function(a,b){var c=this.el;if(c&&!a&&(this.data=c.offset(),this.data.width=c.width(),this.data.height=c.height()),c&&a&&!b){var d=c.offset();this.data.top=d.top,this.data.left=d.left}var e=this.data;return void 0===e.left&&(e.left=e.x1),void 0===e.top&&(e.top=e.y1),this.coords.x1=e.left,this.coords.y1=e.top,this.coords.x2=e.left+e.width,this.coords.y2=e.top+e.height,this.coords.cx=e.left+e.width/2,this.coords.cy=e.top+e.height/2,this.coords.width=e.width,this.coords.height=e.height,this.coords.el=c||!1,this},c.update=function(b){if(!b&&!this.el)return this;if(b){var c=a.extend({},this.data,b);return this.data=c,this.set(!0,!0)}return this.set(!0),this},c.get=function(){return this.coords},c.destroy=function(){this.el.removeData("coords"),delete this.el},a.fn.coords=function(){if(this.data("coords"))return this.data("coords");var a=new b(this,arguments[0]);return this.data("coords",a),a},b}),function(a,b){"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],b):a.GridsterCollision=b(a.$||a.jQuery,a.GridsterCoords)}(this,function(a,b){function c(b,c,e){this.options=a.extend(d,e),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(c),this.init()}var d={colliders_context:document.body,overlapping_region:"C"};c.defaults=d;var e=c.prototype;return e.init=function(){this.find_collisions()},e.overlaps=function(a,b){var c=!1,d=!1;return(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)&&(c=!0),(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)&&(d=!0),c&&d},e.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},e.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},e.calculate_overlapped_area=function(a){return a.width*a.height},e.manage_colliders_start_stop=function(b,c,d){for(var e=this.last_colliders_coords,f=0,g=e.length;g>f;f++)-1===a.inArray(e[f],b)&&c.call(this,e[f]);for(var h=0,i=b.length;i>h;h++)-1===a.inArray(b[h],e)&&d.call(this,b[h])},e.find_collisions=function(b){for(var c=this,d=this.options.overlapping_region,e=[],f=[],g=this.colliders||this.$colliders,h=g.length,i=c.$element.coords().update(b||!1).get();h--;){var j=c.$colliders?a(g[h]):g[h],k=j.isCoords?j:j.coords(),l=k.get(),m=c.overlaps(i,l);if(m){var n=c.detect_overlapping_region(i,l);if(n===d||"all"===d){var o=c.calculate_overlapped_area_coords(i,l),p=c.calculate_overlapped_area(o);if(0!==p){var q={area:p,area_coords:o,region:n,coords:l,player_coords:i,el:j};c.options.on_overlap&&c.options.on_overlap.call(this,q),e.push(k),f.push(q)}}}}return(c.options.on_overlap_stop||c.options.on_overlap_start)&&this.manage_colliders_start_stop(e,c.options.on_overlap_start,c.options.on_overlap_stop),this.last_colliders_coords=e,f},e.get_closest_colliders=function(a){var b=this.find_collisions(a);return b.sort(function(a,b){return"C"===a.region&&"C"===b.region?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:(a.area<b.area,1)}),b},e.set_colliders=function(b){"string"==typeof b||b instanceof a?this.$colliders=a(b,this.options.colliders_context).not(this.$element):this.colliders=a(b)},a.fn.collision=function(a,b){return new c(this,a,b)},c}),function(a,b){a.delay=function(a,b){var c=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return a.apply(null,c)},b)},a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var j=function(){e=null,g&&a.apply(c,d),i()};return e||(e=setTimeout(j,b)),f?g=!0:h=a.apply(c,d),i(),f=!0,h}}}(window),function(a,b){"use strict";"object"==typeof exports?module.exports=b(require("jquery")):"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],b):a.GridsterDraggable=b(a.$||a.jQuery)}(this,function(a){function b(b,d){this.options=a.extend({},c,d),this.$document=a(document),this.$container=a(b),this.$scroll_container=this.options.scroll_container===window?a(window):this.$container.closest(this.options.scroll_container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=i(),this.ns=".gridster-draggable-"+this.id,this.init()}var c={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},d=a(window),e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=c;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),d.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),a.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,a.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,a.proxy(function(a){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(a))},this))},j.get_actual_pos=function(a){return a.position()},j.get_mouse_pos=function(a){if(a.originalEvent&&a.originalEvent.touches){var b=a.originalEvent;a=b.touches.length?b.touches[0]:b.changedTouches[0]}return{left:a.clientX,top:a.clientY}},j.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),c=Math.round(b.left-this.mouse_init_pos.left),d=Math.round(b.top-this.mouse_init_pos.top),e=Math.round(this.el_init_offset.left+c-this.baseX+this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),f=Math.round(this.el_init_offset.top+d-this.baseY+this.$scroll_container.scrollTop()-this.scroll_container_offset_y);return this.options.limit&&(e>this.player_max_left?e=this.player_max_left:e<this.player_min_left&&(e=this.player_min_left)),{position:{left:e,top:f},pointer:{left:b.left,top:b.top,diff_left:c+(this.$scroll_container.scrollLeft()-this.scroll_container_offset_x),diff_top:d+(this.$scroll_container.scrollTop()-this.scroll_container_offset_y)}}},j.get_drag_data=function(a){var b=this.get_offset(a);return b.$player=this.$player,b.$helper=this.helper?this.$helper:this.$player,b},j.set_limits=function(a){return a||(a=this.$container.width()),this.player_max_left=a-this.player_width+-this.options.offset_left,this.options.container_width=a,this},j.scroll_in=function(a,b){var c,d=e[a],f=50,h=30,i="scroll"+g(d),j="x"===a,k=j?this.scroller_width:this.scroller_height;c=this.$scroll_container===window?j?this.$scroll_container.width():this.$scroll_container.height():j?this.$scroll_container[0].scrollWidth:this.$scroll_container[0].scrollHeight;var l,m=j?this.$player.width():this.$player.height(),n=this.$scroll_container[i](),o=n,p=o+k,q=p-f,r=o+f,s=o+b.pointer[d],t=c-k+m;return s>=q&&(l=n+h,t>l&&(this.$scroll_container[i](l),this["scroll_offset_"+a]+=h)),r>=s&&(l=n-h,l>0&&(this.$scroll_container[i](l),this["scroll_offset_"+a]-=h)),this},j.manage_scroll=function(a){this.scroll_in("x",a),this.scroll_in("y",a)},j.calculate_dimensions=function(){this.scroller_height=this.$scroll_container.height(),this.scroller_width=this.$scroll_container.width()},j.drag_handler=function(b){if(!this.disabled&&(1===b.which||f)&&!this.ignore_drag(b)){var c=this,d=!0;return this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging===!0&&c.on_dragmove.call(c,a),!1):!1}),f?void 0:!1}},j.on_dragstart=function(a){if(a.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var b=this.$container.offset();return this.baseX=Math.round(b.left),this.baseY=Math.round(b.top),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_container_offset_y=this.$scroll_container.scrollTop(),this.scroll_container_offset_x=this.$scroll_container.scrollLeft(),this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,a,this.get_drag_data(a)),!1},j.on_dragmove=function(a){var b=this.get_drag_data(a);this.options.autoscroll&&this.manage_scroll(b),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.position.left,top:b.position.top});var c=this.last_position||b.position;return b.prev_position=c,this.options.drag&&this.options.drag.call(this.$player,a,b),this.last_position=b.position,!1},j.on_dragstop=function(a){var b=this.get_drag_data(a);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,a,b),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},j.on_select_start=function(a){return this.disabled||this.ignore_drag(a)?void 0:!1},j.enable=function(){this.disabled=!1},j.disable=function(){this.disabled=!0},j.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),d.off(this.ns),a.removeData(this.$container,"drag")},j.ignore_drag=function(b){return this.options.handle?!a(b.target).is(this.options.handle):a.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(b):a(b.target).is(this.options.ignore_dragging.join(", "))},a.fn.gridDraggable=function(a){return new b(this,a)},a.fn.dragg=function(c){return this.each(function(){a.data(this,"drag")||a.data(this,"drag",new b(this,c))})},b}),function(a,b){"object"==typeof exports?module.exports=b(require("jquery"),require("./jquery.draggable.js"),require("./jquery.collision.js"),require("./jquery.coords.js"),require("./utils.js")):"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],b):a.Gridster=b(a.$||a.jQuery,a.GridsterDraggable,a.GridsterCollision)}(this,function(a,b,c){function d(b,c){this.options=a.extend(!0,{},g,c),this.options.draggable=this.options.draggable||{},this.options.draggable=a.extend(!0,{},this.options.draggable,{scroll_container:this.options.scroll_container}),this.$el=a(b),this.$scroll_container=this.options.scroll_container===window?a(window):this.$el.closest(this.options.scroll_container),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.$changed=a([]),this.w_queue={},this.min_widget_width=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],this.min_widget_height=this.options.widget_base_dimensions[1],this.min_col_count=this.options.min_cols,this.prev_col_count=this.min_col_count,this.generated_stylesheets=[],this.$style_tags=a([]),this.options.auto_init&&this.init()}function e(a){for(var b=["col","row","size_x","size_y"],c={},d=0,e=b.length;e>d;d++){var f=b[d];if(!(f in a))throw new Error("Not exists property `"+f+"`");var g=a[f];if(!g||isNaN(g))throw new Error("Invalid value of `"+f+"` property");c[f]=+g}return c}var f=a(window),g={namespace:"",widget_selector:"li",static_class:"static",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:1,max_rows:15,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,center_widgets:!1,responsive_breakpoint:!1,scroll_container:window,shift_larger_widgets_down:!0,serialize_params:function(a,b){return{col:b.col,row:b.row,size_x:b.size_x,size_y:b.size_y}},collision:{},draggable:{items:".gs-w:not(.static)",distance:4,ignore_dragging:b.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};d.defaults=g,d.generated_stylesheets=[],d.sort_by_row_asc=function(b){return b=b.sort(function(b,c){return b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b=e(b),c=e(c),b.row>c.row?1:-1})},d.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},d.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.col>b.col?1:-1})},d.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row+a.size_y<b.row+b.size_y?1:-1})};var h=d.prototype;return h.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),f.bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},h.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},h.enable=function(){return this.drag_api.enable(),this},h.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},h.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},h.add_widget=function(b,c,d,e,f,g,h,i){var j;c||(c=1),d||(d=1),!e&!f?j=this.next_position(c,d):(j={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d));var k=a(b).attr({"data-col":j.col,"data-row":j.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();this.$widgets=this.$widgets.add(k),this.$changed=this.$changed.add(k),this.register_widget(k);var l=parseInt(j.row)+(parseInt(j.size_y)-1);return this.rows<l&&this.add_faux_rows(l-this.rows),g&&this.set_widget_max_size(k,g),h&&this.set_widget_min_size(k,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),k.fadeIn({complete:function(){i&&i.call(this)}})},h.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},h.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},h.add_resize_handle=function(b){var c=this.options.resize.handle_append_to?a(this.options.resize.handle_append_to,b):b;return 0===c.children("span[class~='"+this.resize_handle_class+"']").length&&a(this.resize_handle_tpl).appendTo(c),this},h.resize_widget=function(a,b,c,d,e){{var f=a.coords().grid,g=f.col;this.options.max_cols}d!==!1&&(d=!0);var h=f.size_y,i=f.col,j=i;if(b||(b=f.size_x),c||(c=f.size_y),d&&i+b-1>this.cols){var k=i+(b-1)-this.cols,l=i-k;j=Math.max(1,l)}c>h&&this.add_faux_rows(Math.max(c-h,0));var m=g+b-1;m>this.cols&&this.add_faux_cols(m-this.cols);var n={col:j,row:f.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,f,n),this.set_dom_grid_height(),this.set_dom_grid_width(),e&&e.call(this,n.size_x,n.size_y),a},h.expand_widget=function(b,c,d,e,f){var g=b.coords().grid,h=Math.floor((a(window).width()-2*this.options.widget_margins[0])/this.min_widget_width);c=c||Math.min(h,this.cols),d||(d=g.size_y);var i=g.size_y;b.attr("pre_expand_col",g.col),b.attr("pre_expand_sizex",g.size_x),b.attr("pre_expand_sizey",g.size_y);var j=e||1;d>i&&this.add_faux_rows(Math.max(d-i,0));var k={col:j,row:g.row,size_x:c,size_y:d};return this.mutate_widget_in_gridmap(b,g,k),this.set_dom_grid_height(),this.set_dom_grid_width(),f&&f.call(this,k.size_x,k.size_y),b},h.collapse_widget=function(a,b){var c=a.coords().grid,d=parseInt(a.attr("pre_expand_sizex")),e=parseInt(a.attr("pre_expand_sizey")),f=parseInt(a.attr("pre_expand_col")),g={col:f,row:c.row,size_x:d,size_y:e};return this.mutate_widget_in_gridmap(a,c,g),this.set_dom_grid_height(),this.set_dom_grid_width(),b&&b.call(this,g.size_x,g.size_y),a},h.fit_to_content=function(a,b,c,d){var e=a.coords().grid,f=this.$wrapper.width(),g=this.$wrapper.height(),h=this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0],i=this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1],j=Math.ceil((f+2*this.options.widget_margins[0])/h),k=Math.ceil((g+2*this.options.widget_margins[1])/i),l={col:e.col,row:e.row,size_x:Math.min(b,j),size_y:Math.min(c,k)};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},h.center_widgets=debounce(function(){var b,c=this.$wrapper.width();b=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0];var d=2*Math.floor(Math.max(Math.floor(c/b),this.min_col_count)/2);this.options.min_cols=d,this.options.max_cols=d,this.options.extra_cols=0,this.set_dom_grid_width(d),this.cols=d;var e=(d-this.prev_col_count)/2;return 0>e?(this.get_min_col()>-1*e?this.shift_cols(e):this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)):e>0?(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.shift_cols(e)},this),0)):(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)),this.prev_col_count=d,this},200),h.get_min_col=function(){return Math.min.apply(Math,this.$widgets.map(a.proxy(function(b,c){return this.get_cells_occupied(a(c).coords().grid).cols},this)).get())},h.shift_cols=function(b){var c=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));c=d.sort_by_row_and_col_asc(c),c.each(a.proxy(function(c,d){var e=a(d.el),f=e.coords().grid,g=parseInt(e.attr("data-col")),h={col:Math.max(Math.round(g+b),1),row:f.row,size_x:f.size_x,size_y:f.size_y};setTimeout(a.proxy(function(){this.mutate_widget_in_gridmap(e,f,h)},this),0)},this))},h.resize_widget_dimensions=function(b){b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1];this.serialize();return this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this},h.mutate_widget_in_gridmap=function(b,c,d){var e=c.size_y,f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h[h.length-1]-h[0]+1,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},h.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d),g=f.coords().grid;if(g.row<=c+e-1){var h=c+e-g.row;this.move_widget_down(f,h)}},this)),this.set_dom_grid_height(),this},h.remove_empty_cells=function(a,b,c,d,e){this.widgets_below({col:a,row:b,size_x:c,size_y:d});return this.set_dom_grid_height(),this},h.next_position=function(a,b){a||(a=1),b||(b=1);for(var c,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){c=e[h].length;for(var i=1;c>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?d.sort_by_row_and_col_asc(g)[0]:!1},h.remove_by_grid=function(a,b){var c=this.is_widget(a,b);c&&this.remove_widget(c)},h.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;if(void 0===f)return this;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},h.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},h.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){var e=a(d);"undefined"!=typeof e.coords().grid&&c.push(this.options.serialize_params(e,e.coords().grid))},this)),c},h.serialize_changed=function(){return this.serialize(this.$changed)},h.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},h.register_widget=function(b){var c=b instanceof a,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);if(f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)){if(!b.hasClass(".disp_ad"))return b.remove(),!1;a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0}return b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},h.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},h.update_widget_dimensions=function(a,b,c){return a.data("coords").update({width:b,height:c}),this},h.update_widgets_dimensions=function(){return a.each(this.$widgets,a.proxy(function(b,c){var d=a(c).coords().grid,e=d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],f=d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1];this.update_widget_dimensions(a(c),e,f)},this)),this},h.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},h.add_to_gridmap=function(a,b){this.update_widget_position(a,b||a.el)},h.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0],limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});this.drag_api=this.$el.dragg(c).data("drag")},h.resizable=function(){return this.resize_api=this.$el.gridDraggable({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.max_cols!==1/0,scroll_container:this.options.scroll_container,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},h.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},h.on_start_drag=function(b,c){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.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.max_cols===1/0&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=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(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},h.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.max_cols===1/0){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=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.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),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:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},h.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$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.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b),this.$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.w_queue={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.is_responsive()||this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"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,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},h.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:"","min-width":"","min-height":""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({
-"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width)},h.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.max_cols===1/0,o=Math.ceil(d/(f+2*h)-.2),p=Math.ceil(e/(g+2*i)-.2),q=Math.max(1,this.resize_initial_sizex+o),r=Math.max(1,this.resize_initial_sizey+p),s=Math.floor(this.container_width/this.min_widget_width-this.resize_initial_col+1),t=s*this.min_widget_width+(s-1)*h;q=Math.max(Math.min(q,j),k),q=Math.min(s,q),c=j*f+(q-1)*h;var u=Math.min(c,t),v=k*f+(q-1)*h;r=Math.max(Math.min(r,l),m);var w=l*g+(r-1)*i,x=m*g+(r-1)*i;if(this.resize_dir.right?r=this.resize_initial_sizey:this.resize_dir.bottom&&(q=this.resize_initial_sizex),n){var y=this.resize_initial_col+q-1;n&&this.resize_initial_last_col<=y&&(this.set_dom_grid_width(Math.max(y+1,this.cols)),this.cols<y&&this.add_faux_cols(y-this.cols))}var z={};!this.resize_dir.bottom&&(z.width=Math.max(Math.min(this.resize_initial_width+d,u),v)),!this.resize_dir.right&&(z.height=Math.max(Math.min(this.resize_initial_height+e,w),x)),this.$resized_widget.css(z),(q!==this.resize_last_sizex||r!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,q,r,!1),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":q,"data-sizey":r})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=q,this.resize_last_sizey=r},h.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},h.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},h.set_player=function(b,c,d){var e=this,f=!1;d||this.empty_cells_player_occupies();var g=d?{col:b}:e.colliders_data[0].el.data,h=g.col,i=g.row||c;this.player_grid_data={col:h,row:i,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),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data);var j=this.get_widgets_overlapped(this.player_grid_data),k=this.player_grid_data.size_y,l=this.player_grid_data.size_x,m=this.cells_occupied_by_placeholder,n=this;if(j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,g=m.cols[0]+l-1,o=m.rows[0]+k-1;if(d.hasClass(n.options.static_class))return!0;if(e.size_x<=l&&e.size_y<=k)if(n.is_swap_occupied(m.cols[0],e.row,e.size_x,e.size_y)||n.is_player_in(m.cols[0],e.row)||n.is_in_queue(m.cols[0],e.row,d))if(n.is_swap_occupied(g,e.row,e.size_x,e.size_y)||n.is_player_in(g,e.row)||n.is_in_queue(g,e.row,d))if(n.is_swap_occupied(e.col,m.rows[0],e.size_x,e.size_y)||n.is_player_in(e.col,m.rows[0])||n.is_in_queue(e.col,m.rows[0],d))if(n.is_swap_occupied(e.col,o,e.size_x,e.size_y)||n.is_player_in(e.col,o)||n.is_in_queue(e.col,o,d))if(n.is_swap_occupied(m.cols[0],m.rows[0],e.size_x,e.size_y)||n.is_player_in(m.cols[0],m.rows[0])||n.is_in_queue(m.cols[0],m.rows[0],d))for(var p=0;l>p;p++)for(var q=0;k>q;q++){var r=m.cols[0]+p,s=m.rows[0]+q;if(!n.is_swap_occupied(r,s,e.size_x,e.size_y)&&!n.is_player_in(r,s)&&!n.is_in_queue(r,s,d)){f=n.queue_widget(r,s,d),p=l;break}}else f=n.queue_widget(m.cols[0],m.rows[0],d);else f=n.queue_widget(e.col,o,d);else f=n.queue_widget(e.col,m.rows[0],d);else f=n.queue_widget(g,e.row,d);else f=n.queue_widget(m.cols[0],e.row,d);else n.options.shift_larger_widgets_down&&!f&&j.each(a.proxy(function(b,c){{var d=a(c);d.coords().grid}n.can_go_down(d)&&(n.move_widget_down(d,n.player_grid_data.size_y),n.set_placeholder(h,i))}));n.clean_up_changed()})),f&&this.can_placeholder_be_set(h,i,l,k)){for(var o in this.w_queue){var p=parseInt(o.split("_")[0]),q=parseInt(o.split("_")[1]);"full"!==this.w_queue[o]&&this.new_move_widget_to(this.w_queue[o],p,q)}this.set_placeholder(h,i)}if(!j.length){var r=this.can_go_player_up(this.player_grid_data);r!==!1&&(i=r),this.can_placeholder_be_set(h,i,l,k)&&this.set_placeholder(h,i)}return this.w_queue={},{col:h,row:i}},h.is_swap_occupied=function(a,b,c,d){for(var e=!1,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=h+"_"+i;if(this.is_occupied(h,i))e=!0;else if(j in this.w_queue){if("full"===this.w_queue[j]){e=!0;continue}var k=this.w_queue[j],l=k.coords().grid;this.is_widget_under_player(l.col,l.row)||delete this.w_queue[j]}i>parseInt(this.options.max_rows)&&(e=!0),h>parseInt(this.options.max_cols)&&(e=!0),this.is_player_in(h,i)&&(e=!0)}return e},h.can_placeholder_be_set=function(a,b,c,d){for(var e=!0,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=this.is_widget(h,i);i>parseInt(this.options.max_rows)&&(e=!1),h>parseInt(this.options.max_cols)&&(e=!1),this.is_occupied(h,i)&&!this.is_widget_queued_and_can_move(j)&&(e=!1)}return e},h.queue_widget=function(a,b,c){var d=c,e=d.coords().grid,f=a+"_"+b;if(f in this.w_queue)return!1;this.w_queue[f]=d;for(var g=0;g<e.size_x;g++)for(var h=0;h<e.size_y;h++){var i=a+g,j=b+h,k=i+"_"+j;k!==f&&(this.w_queue[k]="full")}return!0},h.is_widget_queued_and_can_move=function(a){var b=!1;if(a===!1)return!1;for(var c in this.w_queue)if("full"!==this.w_queue[c]&&this.w_queue[c].attr("data-col")===a.attr("data-col")&&this.w_queue[c].attr("data-row")===a.attr("data-row")){b=!0;for(var d=this.w_queue[c],e=parseInt(c.split("_")[0]),f=parseInt(c.split("_")[1]),g=d.coords().grid,h=0;h<g.size_x;h++)for(var i=0;i<g.size_y;i++){var j=e+h,k=f+i;this.is_player_in(j,k)&&(b=!1)}}return b},h.is_in_queue=function(a,b,c){var d=!1,e=a+"_"+b;if(e in this.w_queue)if("full"===this.w_queue[e])d=!0;else{var f=this.w_queue[e],g=f.coords().grid;this.is_widget_under_player(g.col,g.row)?this.w_queue[e].attr("data-col")===c.attr("data-col")&&this.w_queue[e].attr("data-row")===c.attr("data-row")?(delete this.w_queue[e],d=!1):d=!0:(delete this.w_queue[e],d=!1)}return d},h.widgets_constraints=function(b){var c,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),c=b.not(e),{can_go_up:d.sort_by_row_asc(f),can_not_go_up:d.sort_by_row_desc(g)}},h.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.can_go_down(f)&&(console.log("In Move Down!"),this.move_widget_down(f,i),this.set_placeholder(c,d))}}},this)),this},h.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},h.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},h.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},h.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},h.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},h.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},h.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},h.is_static=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c&&c.hasClass(this.options.static_class)?!0:!1):!1},h.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},h.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},h.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.can_go_widget_up(e);f&&this.move_widget_to(d,f)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},h.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},h.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},h.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},h.on_start_overlapping_column=function(a){this.set_player(a,!1)},h.on_start_overlapping_row=function(a){this.set_player(!1,a)},h.on_stop_overlapping_column=function(a){var b=this;this.options.shift_larger_widgets_down&&this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},h.on_stop_overlapping_row=function(a){var b=this,c=this.cells_occupied_by_player.cols;if(this.options.shift_larger_widgets_down)for(var d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(a,c){console.log("from_on_stop_overlapping_row"),b.move_widget_up(this,b.player_grid_data.size_y)})},h.new_move_widget_to=function(a,b,c){var d=a.coords().grid;return this.remove_from_gridmap(d),d.row=c,d.col=b,this.add_to_gridmap(d),a.attr("data-row",c),a.attr("data-col",b),this.update_widget_position(d,a),this.$changed=this.$changed.add(a),this},h.move_widget=function(a,b,c,d){var e=a.coords().grid,f={col:b,row:c,size_x:e.size_x,size_y:e.size_y};return this.mutate_widget_in_gridmap(a,e,f),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,f.col,f.row),a},h.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=(c-e.row,this.widgets_below(b)),g=this.can_move_to(e,e.col,c);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},h.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;{this.widgets_below(b)}this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b)}}):!1},h.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},h.can_go_up_to_row=function(b,c,d){var e,f=this.gridmap,g=!0,h=[],i=b.row;if(this.for_each_column_occupied(b,function(a){f[a];for(h[a]=[],e=i;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)h[a].push(e);return h[a].length?void 0:(g=!1,!0)}),!g)return!1;for(e=d,e=1;i>e;e++){for(var j=!0,k=0,l=h.length;l>k;k++)h[k]&&-1===a.inArray(e,h[k])&&(j=!1);if(j===!0){g=e;break}}return g},h.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},h.widgets_below=function(b){var c=a([]),e=a.isPlainObject(b)?b:b.coords().grid;if(void 0===e)return c;var f=this,g=(this.gridmap,e.row+e.size_y-1);return this.for_each_column_occupied(e,function(b){f.for_each_widget_below(b,g,function(b,d){return f.is_player(this)||-1!==a.inArray(this,c)?void 0:(c=c.add(this),!0)})}),d.sort_by_row_asc(c)},h.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},h.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},h.can_go_down=function(b){var c=!0,d=this;return b.hasClass(this.options.static_class)&&(c=!1),this.widgets_below(b).each(function(){a(this).hasClass(d.options.static_class)&&(c=!1)}),c},h.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=(this.gridmap,!0);return 1===c?!1:(this.for_each_column_occupied(b,function(a){this.is_widget(a,d);return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},h.can_move_to=function(a,b,c){var d=(this.gridmap,a.el),e={size_y:a.size_y,size_x:a.size_x,col:b,row:c},f=!0;if(this.options.max_cols!==1/0){var g=b+a.size_x-1;if(g>this.cols)return!1}return this.options.max_rows<c+a.size_y-1?!1:(this.for_each_cell_occupied(e,function(b,c){var e=this.is_widget(b,c);!e||a.el&&!e.is(d)||(f=!1)}),f)},h.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},h.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},h.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},h.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},h.clean_up_changed=function(){var b=this;b.$changed.each(function(){b.options.shift_larger_widgets_down&&b.move_widget_up(a(this))})},h._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){for(;m--&&!(m>0&&this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]),h)););},"for_each/below":function(){for(m=e+1,i=g[d].length;i>m;m++)this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]))}};n[j]&&n[j].call(this)}},h.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},h.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},h.get_highest_occupied_cell=function(){for(var a,b=this.gridmap,c=b[1].length,d=[],e=[],f=b.length-1;f>=1;f--)for(a=c-1;a>=1;a--)if(this.is_widget(f,a)){d.push(a),e.push(f);break}return{col:Math.max.apply(Math,e),row:Math.max.apply(Math,d)}},h.get_widgets_in_range=function(b,c,d,e){var f,g,h,i,j=a([]);for(f=d;f>=b;f--)for(g=e;g>=c;g--)h=this.is_widget(f,g),h!==!1&&(i=h.data("coords").grid,i.col>=b&&i.col<=d&&i.row>=c&&i.row<=e&&(j=j.add(h)));return j},h.get_widgets_at_cell=function(a,b){return this.get_widgets_in_range(a,b,a,b)},h.get_widgets_from=function(b,c){var d=a();return b&&(d=d.add(this.$widgets.filter(function(){var c=parseInt(a(this).attr("data-col"));return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=parseInt(a(this).attr("data-row"));return b===c||b>c}))),d},h.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=(b+1)*this.options.widget_margins[1]+b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},h.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.max_cols===1/0?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=(a+1)*this.options.widget_margins[0]+a*this.min_widget_width,this.is_responsive()?(this.$el.css({"min-width":"100vw","max-width":"100vw"}),this):(this.$el.css("width",this.container_width),this)},h.is_responsive=function(){return this.options.autogenerate_stylesheet&&"auto"===this.options.widget_base_dimensions[0]&&this.options.max_cols!==1/0},h.get_responsive_col_width=function(){var a=this.cols||this.options.max_cols;return(this.$el.width()-(a+1)*this.options.widget_margins[0])/a},h.resize_responsive_layout=function(){return this.min_widget_width=this.get_responsive_col_width(),this.generate_stylesheet(),this.update_widgets_dimensions(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this},h.toggle_collapsed_grid=function(a,b){return a?(this.$widgets.css({"margin-top":b.widget_margins[0],"margin-bottom":b.widget_margins[0],"min-height":b.widget_base_dimensions[1]}),this.$el.addClass("collapsed"),this.resize_api&&this.disable_resize(),this.drag_api&&this.disable()):(this.$widgets.css({"margin-top":"auto","margin-bottom":"auto","min-height":"auto"}),this.$el.removeClass("collapsed"),this.resize_api&&this.enable_resize(),this.drag_api&&this.enable()),this},h.generate_stylesheet=function(b){var c,e="",f=this.is_responsive()&&this.options.responsive_breakpoint&&a(window).width()<this.options.responsive_breakpoint;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),this.is_responsive()&&(b.widget_base_dimensions=[this.get_responsive_col_width(),b.widget_base_dimensions[1]],this.toggle_collapsed_grid(f,b));var g=a.param(b);if(a.inArray(g,d.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),d.generated_stylesheets.push(g),c=1;c<=b.cols+1;c++)e+=b.namespace+' [data-col="'+c+'"] { left:'+(f?this.options.widget_margins[0]:c*b.widget_margins[0]+(c-1)*b.widget_base_dimensions[0])+"px; }\n";for(c=1;c<=b.rows+1;c++)e+=b.namespace+' [data-row="'+c+'"] { top:'+(c*b.widget_margins[1]+(c-1)*b.widget_base_dimensions[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(f?"auto":h*b.widget_base_dimensions[1]+(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;i<=b.cols;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(f?a(window).width()-2*this.options.widget_margins[0]:i*b.widget_base_dimensions[0]+(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},h.add_style_tag=function(a){var b=document,c="gridster-stylesheet";if(""!==this.options.namespace&&(c=c+"-"+this.options.namespace),!document.getElementById(c)){var d=b.createElement("style");d.id=c,b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(document.createTextNode(a)),this.remove_style_tags(),this.$style_tags=this.$style_tags.add(d)}return this},h.remove_style_tags=function(){var b=d.generated_stylesheets,c=this.generated_stylesheets;this.$style_tags.remove(),d.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,c)?b:void 0})},h.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},h.add_faux_cell=function(b,c){var d=a({left:this.baseX+(c-1)*this.min_widget_width,top:this.baseY+(b-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:c,row:b,original_col:c,original_row:b}).coords();return a.isArray(this.gridmap[c])||(this.gridmap[c]=[]),"undefined"==typeof this.gridmap[c][b]&&(this.gridmap[c][b]=!1),this.faux_grid.push(d),this},h.add_faux_rows=function(a){a=window.parseInt(a,10);for(var b=this.rows,c=b+parseInt(a||1),d=c;d>b;d--)for(var e=this.cols;e>=1;e--)this.add_faux_cell(d,e);return this.rows=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.add_faux_cols=function(a){a=window.parseInt(a,10);var b=this.cols,c=b+parseInt(a||1);c=Math.min(c,this.options.max_cols);for(var d=b+1;c>=d;d++)for(var e=this.rows;e>=1;e--)this.add_faux_cell(e,d);return this.cols=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.recalculate_faux_grid=function(){var b=this.$wrapper.width();return this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this.is_responsive()&&this.resize_responsive_layout(),this.options.center_widgets&&this.center_widgets(),this},h.resize_widget_dimensions=function(b){return b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this},h.get_widgets_from_DOM=function(){var b=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));b=d.sort_by_row_and_col_asc(b);var c=a(b).map(a.proxy(function(a,b){return this.register_widget(b)||null},this));return c.length&&this.$el.trigger("gridster:positionschanged"),this},h.get_num_widgets=function(){return this.$widgets.size()},h.set_num_columns=function(b){var c=this.options.max_cols,d=Math.floor(b/(this.min_widget_width+this.options.widget_margins[0]))+this.options.extra_cols,e=this.$widgets.map(function(){return a(this).attr("data-col")}).get();e.length||(e=[0]);var f=Math.max.apply(Math,e);this.cols=Math.max(f,d,this.options.min_cols),c!==1/0&&c>=f&&c<this.cols&&(this.cols=c),this.drag_api&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.generate_grid_and_stylesheet=function(){var b=this.$wrapper.width();this.set_num_columns(b);var c=this.options.extra_rows;return this.$widgets.each(function(b,d){c+=+a(d).attr("data-sizey")}),this.rows=this.options.max_rows,this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},h.destroy=function(b){return this.$el.removeData("gridster"),a.each(this.$widgets,function(){a(this).removeData("coords")}),f.unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.resize_api&&this.resize_api.destroy(),this.$widgets.each(function(b,c){a(c).coords().destroy()}),this.resize_api&&this.resize_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){var c=a(this);c.data("gridster")||c.data("gridster",new d(this,b))})},d}),function(a,b){"object"==typeof exports?module.exports=b(require("jquery"),require("./jquery-gridster.js")):"function"==typeof define&&define.amd?define(["jquery","gridster"],b):a.Gridster=b(a.$||a.jQuery,a.Gridster)}(this,function(a,b){var c=b.prototype;return c.widgets_in_col=function(a){if(!this.gridmap[a])return!1;for(var b=this.gridmap[a].length-1;b>=0;b--)if(this.is_widget(a,b)!==!1)return!0;return!1},c.widgets_in_row=function(a){for(var b=this.gridmap.length;b>=1;b--)if(this.is_widget(b,a)!==!1)return!0;return!1},c.get_bottom_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){c&&e>a&&(a=e,b=d)}),{col:b,row:a}},c.get_right_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){return c?(a=e,b=d,!1):void 0}),{col:b,row:a}},c.for_each_cell=function(a,b){b||(b=this.gridmap);var c=b.length,d=b[1].length;a:for(var e=c-1;e>=1;e--)for(var f=d-1;f>=1;f--){var g=b[e]&&b[e][f];if(a){if(a.call(this,g,e,f)===!1)break a}else;}},c.next_position_in_range=function(a,c){a||(a=1),c||(c=1);for(var 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c={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},d=a(window),e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=c;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),d.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" 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b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b=e(b),c=e(c),b.row>c.row?1:-1})},d.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},d.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.col>b.col?1:-1})},d.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a=e(a),b=e(b),a.row+a.size_y<b.row+b.size_y?1:-1})};var h=d.prototype;return h.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),f.bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},h.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},h.enable=function(){return this.drag_api.enable(),this},h.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},h.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},h.add_widget=function(b,c,d,e,f,g,h,i){var j;c||(c=1),d||(d=1),e||f?(j={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d)):j=this.next_position(c,d);var k=a(b).attr({"data-col":j.col,"data-row":j.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();this.$widgets=this.$widgets.add(k),this.$changed=this.$changed.add(k),this.register_widget(k);var l=parseInt(j.row)+(parseInt(j.size_y)-1);return this.rows<l&&this.add_faux_rows(l-this.rows),g&&this.set_widget_max_size(k,g),h&&this.set_widget_min_size(k,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this.options.center_widgets&&setTimeout(a.proxy(function(){this.center_widgets()},this),0),k.fadeIn({complete:function(){i&&i.call(this)}})},h.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},h.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},h.add_resize_handle=function(b){var c=this.options.resize.handle_append_to?a(this.options.resize.handle_append_to,b):b;return 0===c.children("span[class~='"+this.resize_handle_class+"']").length&&a(this.resize_handle_tpl).appendTo(c),this},h.resize_widget=function(a,b,c,d,e){var f=a.coords().grid,g=f.col;d!==!1&&(d=!0);var h=f.size_y,i=f.col,j=i;if(b||(b=f.size_x),c||(c=f.size_y),d&&i+b-1>this.cols){var k=i+(b-1)-this.cols,l=i-k;j=Math.max(1,l)}c>h&&this.add_faux_rows(Math.max(c-h,0));var m=g+b-1;m>this.cols&&this.add_faux_cols(m-this.cols);var n={col:j,row:f.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,f,n),this.set_dom_grid_height(),this.set_dom_grid_width(),e&&e.call(this,n.size_x,n.size_y),a},h.expand_widget=function(b,c,d,e,f){var g=b.coords().grid,h=Math.floor((a(window).width()-2*this.options.widget_margins[0])/this.min_widget_width);c=c||Math.min(h,this.cols),d||(d=g.size_y);var i=g.size_y;b.attr("pre_expand_col",g.col),b.attr("pre_expand_sizex",g.size_x),b.attr("pre_expand_sizey",g.size_y);var j=e||1;d>i&&this.add_faux_rows(Math.max(d-i,0));var k={col:j,row:g.row,size_x:c,size_y:d};return this.mutate_widget_in_gridmap(b,g,k),this.set_dom_grid_height(),this.set_dom_grid_width(),f&&f.call(this,k.size_x,k.size_y),b},h.collapse_widget=function(a,b){var c=a.coords().grid,d=parseInt(a.attr("pre_expand_sizex")),e=parseInt(a.attr("pre_expand_sizey")),f=parseInt(a.attr("pre_expand_col")),g={col:f,row:c.row,size_x:d,size_y:e};return this.mutate_widget_in_gridmap(a,c,g),this.set_dom_grid_height(),this.set_dom_grid_width(),b&&b.call(this,g.size_x,g.size_y),a},h.fit_to_content=function(a,b,c,d){var e=a.coords().grid,f=this.$wrapper.width(),g=this.$wrapper.height(),h=this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0],i=this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1],j=Math.ceil((f+2*this.options.widget_margins[0])/h),k=Math.ceil((g+2*this.options.widget_margins[1])/i),l={col:e.col,row:e.row,size_x:Math.min(b,j),size_y:Math.min(c,k)};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},h.center_widgets=debounce(function(){var b,c=this.$wrapper.width();b=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0];var d=2*Math.floor(Math.max(Math.floor(c/b),this.min_col_count)/2);this.options.min_cols=d,this.options.max_cols=d,this.options.extra_cols=0,this.set_dom_grid_width(d),this.cols=d;var e=(d-this.prev_col_count)/2;return 0>e?(this.get_min_col()>-1*e?this.shift_cols(e):this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)):e>0?(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.shift_cols(e)},this),0)):(this.resize_widget_dimensions(this.options),setTimeout(a.proxy(function(){this.resize_widget_dimensions(this.options)},this),0)),this.prev_col_count=d,this},200),h.get_min_col=function(){return Math.min.apply(Math,this.$widgets.map(a.proxy(function(b,c){return this.get_cells_occupied(a(c).coords().grid).cols},this)).get())},h.shift_cols=function(b){var c=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));c=d.sort_by_row_and_col_asc(c),c.each(a.proxy(function(c,d){var e=a(d.el),f=e.coords().grid,g=parseInt(e.attr("data-col")),h={col:Math.max(Math.round(g+b),1),row:f.row,size_x:f.size_x,size_y:f.size_y};setTimeout(a.proxy(function(){this.mutate_widget_in_gridmap(e,f,h)},this),0)},this))},h.resize_widget_dimensions=function(b){return b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this},h.mutate_widget_in_gridmap=function(b,c,d){var e=c.size_y,f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h[h.length-1]-h[0]+1,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},h.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d),g=f.coords().grid;if(g.row<=c+e-1){var h=c+e-g.row;this.move_widget_down(f,h)}},this)),this.set_dom_grid_height(),this},h.remove_empty_cells=function(a,b,c,d,e){return this.set_dom_grid_height(),this},h.next_position=function(a,b){a||(a=1),b||(b=1);for(var c,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){c=e[h].length;for(var i=1;c>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?d.sort_by_row_and_col_asc(g)[0]:!1},h.remove_by_grid=function(a,b){var c=this.is_widget(a,b);c&&this.remove_widget(c)},h.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;if(void 0===f)return this;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},h.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},h.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){var e=a(d);"undefined"!=typeof e.coords().grid&&c.push(this.options.serialize_params(e,e.coords().grid))},this)),c},h.serialize_changed=function(){return this.serialize(this.$changed)},h.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},h.register_widget=function(b){var c=b instanceof a,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);if(f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)){if(!b.hasClass(".disp_ad"))return b.remove(),!1;a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0}return b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},h.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},h.update_widget_dimensions=function(a,b,c){return a.data("coords").update({width:b,height:c}),this},h.update_widgets_dimensions=function(){return a.each(this.$widgets,a.proxy(function(b,c){var d=a(c).coords().grid,e=d.size_x*(this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0])+(d.size_x-1)*this.options.widget_margins[0],f=d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1];this.update_widget_dimensions(a(c),e,f)},this)),this},h.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},h.add_to_gridmap=function(a,b){this.update_widget_position(a,b||a.el)},h.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0],limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});this.drag_api=this.$el.dragg(c).data("drag")},h.resizable=function(){return this.resize_api=this.$el.gridDraggable({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.max_cols!==1/0,scroll_container:this.options.scroll_container,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},h.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},h.on_start_drag=function(b,c){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.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.max_cols===1/0&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=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(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},h.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.max_cols===1/0){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=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.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),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:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},h.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$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.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b),this.$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.w_queue={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.is_responsive()||this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"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,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},h.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:"","min-width":"","min-height":""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({
+"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.max_cols===1/0&&this.drag_api.set_limits(this.cols*this.min_widget_width)},h.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.is_responsive()?this.get_responsive_col_width():this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.max_cols===1/0,o=Math.ceil(d/(f+2*h)-.2),p=Math.ceil(e/(g+2*i)-.2),q=Math.max(1,this.resize_initial_sizex+o),r=Math.max(1,this.resize_initial_sizey+p),s=Math.floor(this.container_width/this.min_widget_width-this.resize_initial_col+1),t=s*this.min_widget_width+(s-1)*h;q=Math.max(Math.min(q,j),k),q=Math.min(s,q),c=j*f+(q-1)*h;var u=Math.min(c,t),v=k*f+(q-1)*h;r=Math.max(Math.min(r,l),m);var w=l*g+(r-1)*i,x=m*g+(r-1)*i;if(this.resize_dir.right?r=this.resize_initial_sizey:this.resize_dir.bottom&&(q=this.resize_initial_sizex),n){var y=this.resize_initial_col+q-1;n&&this.resize_initial_last_col<=y&&(this.set_dom_grid_width(Math.max(y+1,this.cols)),this.cols<y&&this.add_faux_cols(y-this.cols))}var z={};!this.resize_dir.bottom&&(z.width=Math.max(Math.min(this.resize_initial_width+d,u),v)),!this.resize_dir.right&&(z.height=Math.max(Math.min(this.resize_initial_height+e,w),x)),this.$resized_widget.css(z),(q!==this.resize_last_sizex||r!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,q,r,!1),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":q,"data-sizey":r})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=q,this.resize_last_sizey=r},h.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},h.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},h.set_player=function(b,c,d){var e=this,f=!1;d||this.empty_cells_player_occupies();var g=d?{col:b}:e.colliders_data[0].el.data,h=g.col,i=g.row||c;this.player_grid_data={col:h,row:i,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),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data);var j=this.get_widgets_overlapped(this.player_grid_data),k=this.player_grid_data.size_y,l=this.player_grid_data.size_x,m=this.cells_occupied_by_placeholder,n=this;if(j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,g=m.cols[0]+l-1,o=m.rows[0]+k-1;if(d.hasClass(n.options.static_class))return!0;if(e.size_x<=l&&e.size_y<=k)if(n.is_swap_occupied(m.cols[0],e.row,e.size_x,e.size_y)||n.is_player_in(m.cols[0],e.row)||n.is_in_queue(m.cols[0],e.row,d))if(n.is_swap_occupied(g,e.row,e.size_x,e.size_y)||n.is_player_in(g,e.row)||n.is_in_queue(g,e.row,d))if(n.is_swap_occupied(e.col,m.rows[0],e.size_x,e.size_y)||n.is_player_in(e.col,m.rows[0])||n.is_in_queue(e.col,m.rows[0],d))if(n.is_swap_occupied(e.col,o,e.size_x,e.size_y)||n.is_player_in(e.col,o)||n.is_in_queue(e.col,o,d))if(n.is_swap_occupied(m.cols[0],m.rows[0],e.size_x,e.size_y)||n.is_player_in(m.cols[0],m.rows[0])||n.is_in_queue(m.cols[0],m.rows[0],d))for(var p=0;l>p;p++)for(var q=0;k>q;q++){var r=m.cols[0]+p,s=m.rows[0]+q;if(!n.is_swap_occupied(r,s,e.size_x,e.size_y)&&!n.is_player_in(r,s)&&!n.is_in_queue(r,s,d)){f=n.queue_widget(r,s,d),p=l;break}}else f=n.queue_widget(m.cols[0],m.rows[0],d);else f=n.queue_widget(e.col,o,d);else f=n.queue_widget(e.col,m.rows[0],d);else f=n.queue_widget(g,e.row,d);else f=n.queue_widget(m.cols[0],e.row,d);else n.options.shift_larger_widgets_down&&!f&&j.each(a.proxy(function(b,c){var d=a(c);n.can_go_down(d)&&(n.move_widget_down(d,n.player_grid_data.size_y),n.set_placeholder(h,i))}));n.clean_up_changed()})),f&&this.can_placeholder_be_set(h,i,l,k)){for(var o in this.w_queue){var p=parseInt(o.split("_")[0]),q=parseInt(o.split("_")[1]);"full"!==this.w_queue[o]&&this.new_move_widget_to(this.w_queue[o],p,q)}this.set_placeholder(h,i)}if(!j.length){var r=this.can_go_player_up(this.player_grid_data);r!==!1&&(i=r),this.can_placeholder_be_set(h,i,l,k)&&this.set_placeholder(h,i)}return this.w_queue={},{col:h,row:i}},h.is_swap_occupied=function(a,b,c,d){for(var e=!1,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=h+"_"+i;if(this.is_occupied(h,i))e=!0;else if(j in this.w_queue){if("full"===this.w_queue[j]){e=!0;continue}var k=this.w_queue[j],l=k.coords().grid;this.is_widget_under_player(l.col,l.row)||delete this.w_queue[j]}i>parseInt(this.options.max_rows)&&(e=!0),h>parseInt(this.options.max_cols)&&(e=!0),this.is_player_in(h,i)&&(e=!0)}return e},h.can_placeholder_be_set=function(a,b,c,d){for(var e=!0,f=0;c>f;f++)for(var g=0;d>g;g++){var h=a+f,i=b+g,j=this.is_widget(h,i);i>parseInt(this.options.max_rows)&&(e=!1),h>parseInt(this.options.max_cols)&&(e=!1),this.is_occupied(h,i)&&!this.is_widget_queued_and_can_move(j)&&(e=!1)}return e},h.queue_widget=function(a,b,c){var d=c,e=d.coords().grid,f=a+"_"+b;if(f in this.w_queue)return!1;this.w_queue[f]=d;for(var g=0;g<e.size_x;g++)for(var h=0;h<e.size_y;h++){var i=a+g,j=b+h,k=i+"_"+j;k!==f&&(this.w_queue[k]="full")}return!0},h.is_widget_queued_and_can_move=function(a){var b=!1;if(a===!1)return!1;for(var c in this.w_queue)if("full"!==this.w_queue[c]&&this.w_queue[c].attr("data-col")===a.attr("data-col")&&this.w_queue[c].attr("data-row")===a.attr("data-row")){b=!0;for(var d=this.w_queue[c],e=parseInt(c.split("_")[0]),f=parseInt(c.split("_")[1]),g=d.coords().grid,h=0;h<g.size_x;h++)for(var i=0;i<g.size_y;i++){var j=e+h,k=f+i;this.is_player_in(j,k)&&(b=!1)}}return b},h.is_in_queue=function(a,b,c){var d=!1,e=a+"_"+b;if(e in this.w_queue)if("full"===this.w_queue[e])d=!0;else{var f=this.w_queue[e],g=f.coords().grid;this.is_widget_under_player(g.col,g.row)?this.w_queue[e].attr("data-col")===c.attr("data-col")&&this.w_queue[e].attr("data-row")===c.attr("data-row")?(delete this.w_queue[e],d=!1):d=!0:(delete this.w_queue[e],d=!1)}return d},h.widgets_constraints=function(b){var c,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),c=b.not(e),{can_go_up:d.sort_by_row_asc(f),can_not_go_up:d.sort_by_row_desc(g)}},h.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.can_go_down(f)&&(console.log("In Move Down!"),this.move_widget_down(f,i),this.set_placeholder(c,d))}}},this)),this},h.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},h.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},h.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},h.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},h.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},h.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},h.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},h.is_static=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c&&c.hasClass(this.options.static_class)?!0:!1):!1},h.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},h.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},h.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.can_go_widget_up(e);f&&this.move_widget_to(d,f)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},h.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},h.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},h.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},h.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},h.on_start_overlapping_column=function(a){this.set_player(a,!1)},h.on_start_overlapping_row=function(a){this.set_player(!1,a)},h.on_stop_overlapping_column=function(a){var b=this;this.options.shift_larger_widgets_down&&this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},h.on_stop_overlapping_row=function(a){var b=this,c=this.cells_occupied_by_player.cols;if(this.options.shift_larger_widgets_down)for(var d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(a,c){console.log("from_on_stop_overlapping_row"),b.move_widget_up(this,b.player_grid_data.size_y)})},h.new_move_widget_to=function(a,b,c){var d=a.coords().grid;return this.remove_from_gridmap(d),d.row=c,d.col=b,this.add_to_gridmap(d),a.attr("data-row",c),a.attr("data-col",b),this.update_widget_position(d,a),this.$changed=this.$changed.add(a),this},h.move_widget=function(a,b,c,d){var e=a.coords().grid,f={col:b,row:c,size_x:e.size_x,size_y:e.size_y};return this.mutate_widget_in_gridmap(a,e,f),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,f.col,f.row),a},h.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=this.widgets_below(b),g=this.can_move_to(e,e.col,c);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},h.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b)}}):!1},h.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},h.can_go_up_to_row=function(b,c,d){var e,f=!0,g=[],h=b.row;if(this.for_each_column_occupied(b,function(a){for(g[a]=[],e=h;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)g[a].push(e);return g[a].length?void 0:(f=!1,!0)}),!f)return!1;for(e=d,e=1;h>e;e++){for(var i=!0,j=0,k=g.length;k>j;j++)g[j]&&-1===a.inArray(e,g[j])&&(i=!1);if(i===!0){f=e;break}}return f},h.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},h.widgets_below=function(b){var c=a([]),e=a.isPlainObject(b)?b:b.coords().grid;if(void 0===e)return c;var f=this,g=e.row+e.size_y-1;return this.for_each_column_occupied(e,function(b){f.for_each_widget_below(b,g,function(b,d){return f.is_player(this)||-1!==a.inArray(this,c)?void 0:(c=c.add(this),!0)})}),d.sort_by_row_asc(c)},h.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},h.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},h.can_go_down=function(b){var c=!0,d=this;return b.hasClass(this.options.static_class)&&(c=!1),this.widgets_below(b).each(function(){a(this).hasClass(d.options.static_class)&&(c=!1)}),c},h.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=!0;return 1===c?!1:(this.for_each_column_occupied(b,function(a){return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},h.can_move_to=function(a,b,c){var d=a.el,e={size_y:a.size_y,size_x:a.size_x,col:b,row:c},f=!0;if(this.options.max_cols!==1/0){var g=b+a.size_x-1;if(g>this.cols)return!1}return this.options.max_rows<c+a.size_y-1?!1:(this.for_each_cell_occupied(e,function(b,c){var e=this.is_widget(b,c);!e||a.el&&!e.is(d)||(f=!1)}),f)},h.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},h.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},h.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},h.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},h.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},h.clean_up_changed=function(){var b=this;b.$changed.each(function(){b.options.shift_larger_widgets_down&&b.move_widget_up(a(this))})},h._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){for(;m--&&!(m>0&&this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]),h)););},"for_each/below":function(){for(m=e+1,i=g[d].length;i>m;m++)this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]))}};n[j]&&n[j].call(this)}},h.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},h.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},h.get_highest_occupied_cell=function(){for(var a,b=this.gridmap,c=b[1].length,d=[],e=[],f=b.length-1;f>=1;f--)for(a=c-1;a>=1;a--)if(this.is_widget(f,a)){d.push(a),e.push(f);break}return{col:Math.max.apply(Math,e),row:Math.max.apply(Math,d)}},h.get_widgets_in_range=function(b,c,d,e){var f,g,h,i,j=a([]);for(f=d;f>=b;f--)for(g=e;g>=c;g--)h=this.is_widget(f,g),h!==!1&&(i=h.data("coords").grid,i.col>=b&&i.col<=d&&i.row>=c&&i.row<=e&&(j=j.add(h)));return j},h.get_widgets_at_cell=function(a,b){return this.get_widgets_in_range(a,b,a,b)},h.get_widgets_from=function(b,c){var d=a();return b&&(d=d.add(this.$widgets.filter(function(){var c=parseInt(a(this).attr("data-col"));return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=parseInt(a(this).attr("data-row"));return b===c||b>c}))),d},h.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=(b+1)*this.options.widget_margins[1]+b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},h.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.max_cols===1/0?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=(a+1)*this.options.widget_margins[0]+a*this.min_widget_width,this.is_responsive()?(this.$el.css({"min-width":"100vw","max-width":"100vw"}),this):(this.$el.css("width",this.container_width),this)},h.is_responsive=function(){return this.options.autogenerate_stylesheet&&"auto"===this.options.widget_base_dimensions[0]&&this.options.max_cols!==1/0},h.get_responsive_col_width=function(){var a=this.cols||this.options.max_cols;return(this.$el.width()-(a+1)*this.options.widget_margins[0])/a},h.resize_responsive_layout=function(){return this.min_widget_width=this.get_responsive_col_width(),this.generate_stylesheet(),this.update_widgets_dimensions(),this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0]),this},h.toggle_collapsed_grid=function(a,b){return a?(this.$widgets.css({"margin-top":b.widget_margins[0],"margin-bottom":b.widget_margins[0],"min-height":b.widget_base_dimensions[1]}),this.$el.addClass("collapsed"),this.resize_api&&this.disable_resize(),this.drag_api&&this.disable()):(this.$widgets.css({"margin-top":"auto","margin-bottom":"auto","min-height":"auto"}),this.$el.removeClass("collapsed"),this.resize_api&&this.enable_resize(),this.drag_api&&this.enable()),this},h.generate_stylesheet=function(b){var c,e="",f=this.is_responsive()&&this.options.responsive_breakpoint&&a(window).width()<this.options.responsive_breakpoint;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),this.is_responsive()&&(b.widget_base_dimensions=[this.get_responsive_col_width(),b.widget_base_dimensions[1]],this.toggle_collapsed_grid(f,b));var g=a.param(b);if(a.inArray(g,d.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),d.generated_stylesheets.push(g),c=1;c<=b.cols+1;c++)e+=b.namespace+' [data-col="'+c+'"] { left:'+(f?this.options.widget_margins[0]:c*b.widget_margins[0]+(c-1)*b.widget_base_dimensions[0])+"px; }\n";for(c=1;c<=b.rows+1;c++)e+=b.namespace+' [data-row="'+c+'"] { top:'+(c*b.widget_margins[1]+(c-1)*b.widget_base_dimensions[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(f?"auto":h*b.widget_base_dimensions[1]+(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;i<=b.cols;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(f?a(window).width()-2*this.options.widget_margins[0]:i*b.widget_base_dimensions[0]+(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},h.add_style_tag=function(a){var b=document,c="gridster-stylesheet";if(""!==this.options.namespace&&(c=c+"-"+this.options.namespace),!document.getElementById(c)){var d=b.createElement("style");d.id=c,b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(document.createTextNode(a)),this.remove_style_tags(),this.$style_tags=this.$style_tags.add(d)}return this},h.remove_style_tags=function(){var b=d.generated_stylesheets,c=this.generated_stylesheets;this.$style_tags.remove(),d.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,c)?b:void 0})},h.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},h.add_faux_cell=function(b,c){var d=a({left:this.baseX+(c-1)*this.min_widget_width,top:this.baseY+(b-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:c,row:b,original_col:c,original_row:b}).coords();return a.isArray(this.gridmap[c])||(this.gridmap[c]=[]),"undefined"==typeof this.gridmap[c][b]&&(this.gridmap[c][b]=!1),this.faux_grid.push(d),this},h.add_faux_rows=function(a){a=window.parseInt(a,10);for(var b=this.rows,c=b+parseInt(a||1),d=c;d>b;d--)for(var e=this.cols;e>=1;e--)this.add_faux_cell(d,e);return this.rows=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.add_faux_cols=function(a){a=window.parseInt(a,10);var b=this.cols,c=b+parseInt(a||1);c=Math.min(c,this.options.max_cols);for(var d=b+1;c>=d;d++)for(var e=this.rows;e>=1;e--)this.add_faux_cell(e,d);return this.cols=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},h.recalculate_faux_grid=function(){var b=this.$wrapper.width();return this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this.is_responsive()&&this.resize_responsive_layout(),this.options.center_widgets&&this.center_widgets(),this},h.resize_widget_dimensions=function(b){return b.widget_margins&&(this.options.widget_margins=b.widget_margins),b.widget_base_dimensions&&(this.options.widget_base_dimensions=b.widget_base_dimensions),this.$widgets.each(a.proxy(function(b,c){var d=a(c);this.resize_widget(d)},this)),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this},h.get_widgets_from_DOM=function(){var b=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));b=d.sort_by_row_and_col_asc(b);var c=a(b).map(a.proxy(function(a,b){return this.register_widget(b)||null},this));return c.length&&this.$el.trigger("gridster:positionschanged"),this},h.get_num_widgets=function(){return this.$widgets.size()},h.set_num_columns=function(b){var c=this.options.max_cols,d=Math.floor(b/(this.min_widget_width+this.options.widget_margins[0]))+this.options.extra_cols,e=this.$widgets.map(function(){return a(this).attr("data-col")}).get();e.length||(e=[0]);var f=Math.max.apply(Math,e);this.cols=Math.max(f,d,this.options.min_cols),c!==1/0&&c>=f&&c<this.cols&&(this.cols=c),this.drag_api&&this.drag_api.set_limits(this.cols*this.min_widget_width+(this.cols+1)*this.options.widget_margins[0])},h.generate_grid_and_stylesheet=function(){var b=this.$wrapper.width();this.set_num_columns(b);var c=this.options.extra_rows;return this.$widgets.each(function(b,d){c+=+a(d).attr("data-sizey")}),this.rows=this.options.max_rows,this.baseX=(f.width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},h.destroy=function(b){return this.$el.removeData("gridster"),a.each(this.$widgets,function(){a(this).removeData("coords")}),f.unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.resize_api&&this.resize_api.destroy(),this.$widgets.each(function(b,c){a(c).coords().destroy()}),this.resize_api&&this.resize_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){var c=a(this);c.data("gridster")||c.data("gridster",new d(this,b))})},d}),function(a,b){"use strict";"object"==typeof exports?module.exports=b(require("jquery"),require("./jquery-gridster.js")):"function"==typeof define&&define.amd?define(["jquery","gridster"],b):a.Gridster=b(a.$||a.jQuery,a.Gridster)}(this,function(a,b){"use strict";var c=b.prototype;return c.widgets_in_col=function(a){if(!this.gridmap[a])return!1;for(var b=this.gridmap[a].length-1;b>=0;b--)if(this.is_widget(a,b)!==!1)return!0;return!1},c.widgets_in_row=function(a){for(var b=this.gridmap.length;b>=1;b--)if(this.is_widget(b,a)!==!1)return!0;return!1},c.get_bottom_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){c&&e>a&&(a=e,b=d)}),{col:b,row:a}},c.get_right_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){return c?(a=e,b=d,!1):void 0}),{col:b,row:a}},c.for_each_cell=function(a,b){b||(b=this.gridmap);var c=b.length,d=b[1].length;a:for(var e=c-1;e>=1;e--)for(var f=d-1;f>=1;f--){var g=b[e]&&b[e][f];if(a){if(a.call(this,g,e,f)===!1)break a}else;}},c.next_position_in_range=function(a,c){a||(a=1),c||(c=1);for(var d,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){d=this.options.max_rows||e[h].length;for(var i=1;d>=i;i++){var j=this.can_move_to({size_x:a,size_y:c},h,i);j&&g.push({col:h,row:i,size_y:c,size_x:a})}}return g.length>=1?b.sort_by_col_asc(g)[0]:!1},c.closest_to_right=function(a,b){if(!this.gridmap[a])return!1;for(var c=this.gridmap.length-1,d=a;c>=d;d++)if(this.gridmap[d][b])return{col:d,row:b};return!1},c.closest_to_left=function(a,b){if(!this.gridmap[a])return!1;for(var c=a;c>=1;c--)if(this.gridmap[c][b])return{col:c,row:b};return!1},b});
\ No newline at end of file
diff --git a/src/jquery.collision.js b/src/jquery.collision.js
index a873f22a82..c25ef84984 100644
--- a/src/jquery.collision.js
+++ b/src/jquery.collision.js
@@ -7,6 +7,7 @@
  */
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -18,7 +19,7 @@
     }
 
 }(this, function($, Coords) {
-
+	'use strict';
     var defaults = {
         colliders_context: document.body,
         overlapping_region: 'C'
diff --git a/src/jquery.coords.js b/src/jquery.coords.js
index f2cfe7c544..3f47c90cc8 100644
--- a/src/jquery.coords.js
+++ b/src/jquery.coords.js
@@ -7,6 +7,7 @@
  */
 
 ;(function(root, factory) {
+	'use strict';
     if(typeof exports === 'object') {
         module.exports = factory(require('jquery'));
     }
@@ -17,6 +18,7 @@
     }
 
 }(this, function($) {
+	'use strict';
     /**
     * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height)
     * to simulate DOM elements on the screen.
diff --git a/src/jquery.draggable.js b/src/jquery.draggable.js
index 94d7ac9c92..75ab5ce7d2 100644
--- a/src/jquery.draggable.js
+++ b/src/jquery.draggable.js
@@ -18,7 +18,7 @@
     }
 
 }(this, function($) {
-
+	'use strict';
     var defaults = {
         items: 'li',
         distance: 1,
diff --git a/src/jquery.gridster.extras.js b/src/jquery.gridster.extras.js
index f2c3b6b209..5d4eecc6ae 100644
--- a/src/jquery.gridster.extras.js
+++ b/src/jquery.gridster.extras.js
@@ -1,5 +1,6 @@
 ;(function(root, factory) {
-    if(typeof exports === 'object') {
+	'use strict';
+	if(typeof exports === 'object') {
         module.exports = factory(require('jquery'), require('./jquery-gridster.js'));
     }
     else if (typeof define === 'function' && define.amd) {
@@ -9,7 +10,7 @@
     }
 
 }(this, function($, Gridster) {
-
+	'use strict';
     var fn = Gridster.prototype;
 
     fn.widgets_in_col = function(col) {
@@ -134,7 +135,6 @@
 
 
     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--) {
diff --git a/src/jquery.gridster.js b/src/jquery.gridster.js
index 38bf9b33b1..3de1ae7931 100755
--- a/src/jquery.gridster.js
+++ b/src/jquery.gridster.js
@@ -7,6 +7,7 @@
  */
 
 (function (root, factory) {
+	'use strict';
 	if (typeof exports === 'object') {
 		module.exports = factory(require('jquery'), require('./jquery.draggable.js'), require('./jquery.collision.js'), require('./jquery.coords.js'), require('./utils.js'));
 	}
@@ -18,7 +19,7 @@
 	}
 
 }(this, function ($, Draggable, Collision) {
-
+	'use strict';
 	var $window = $(window),
 			defaults = {
 				namespace: '',
@@ -378,7 +379,7 @@
 		size_x || (size_x = 1);
 		size_y || (size_y = 1);
 
-		if (!col & !row) {
+		if (!col && !row) {
 			pos = this.next_position(size_x, size_y);
 		} else {
 			pos = {
@@ -499,7 +500,7 @@
 	fn.add_resize_handle = function ($w) {
 		var $append_to = this.options.resize.handle_append_to ? $(this.options.resize.handle_append_to, $w) : $w;
 
-		if (($append_to.children("span[class~='" + this.resize_handle_class + "']")).length === 0) {
+		if (($append_to.children('span[class~=\'' + this.resize_handle_class + '\']')).length === 0) {
 			$(this.resize_handle_tpl).appendTo($append_to);
 		}
 
@@ -525,7 +526,6 @@
 	fn.resize_widget = function ($widget, size_x, size_y, reposition, callback) {
 		var wgd = $widget.coords().grid;
 		var col = wgd.col;
-		var max_cols = this.options.max_cols;
 		reposition !== false && (reposition = true);
 		var old_size_y = wgd.size_y;
 		var old_col = wgd.col;
@@ -807,7 +807,6 @@
 		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];
 
-		var serializedGrid = this.serialize();
 		this.$widgets.each($.proxy(function (i, widget) {
 			var $widget = $(widget);
 			this.resize_widget($widget);
@@ -983,14 +982,14 @@
 	 * @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({
+		/*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) {
 		 console.log("from_remove")
 		 this.move_widget_up( $(widget), size_y );
@@ -1960,7 +1959,6 @@
 			} else if ($gr.options.shift_larger_widgets_down && !swap) {
 				$overlapped_widgets.each($.proxy(function (i, w) {
 					var $w = $(w);
-					var wgd = $w.coords().grid;
 
 					if ($gr.can_go_down($w)) {
 						$gr.move_widget_down($w, $gr.player_grid_data.size_y);
@@ -1983,9 +1981,9 @@
 		//Move queued widgets
 		if (swap && this.can_placeholder_be_set(to_col, to_row, player_size_x, player_size_y)) {
 			for (var key in this.w_queue) {
-				var _col = parseInt(key.split("_")[0]);
-				var _row = parseInt(key.split("_")[1]);
-				if (this.w_queue[key] !== "full") {
+				var _col = parseInt(key.split('_')[0]);
+				var _row = parseInt(key.split('_')[1]);
+				if (this.w_queue[key] !== 'full') {
 					this.new_move_widget_to(this.w_queue[key], _col, _row);
 				}
 			}
@@ -2019,7 +2017,7 @@
 			for (var r = 0; r < w_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (this.is_occupied(colc, rowc)) {
 					occupied = true;
 				} else if (key in this.w_queue) {
@@ -2055,7 +2053,6 @@
 			for (var r = 0; r < player_size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
 				var $tw = this.is_widget(colc, rowc);
 				//if this space is occupied and not queued for move.
 				if (rowc > parseInt(this.options.max_rows)) {
@@ -2075,7 +2072,7 @@
 	fn.queue_widget = function (col, row, $widget) {
 		var $w = $widget;
 		var wgd = $w.coords().grid;
-		var primary_key = col + "_" + row;
+		var primary_key = col + '_' + row;
 		if (primary_key in this.w_queue) {
 			return false;
 		}
@@ -2086,11 +2083,11 @@
 			for (var r = 0; r < wgd.size_y; r++) {
 				var colc = col + c;
 				var rowc = row + r;
-				var key = colc + "_" + rowc;
+				var key = colc + '_' + rowc;
 				if (key === primary_key) {
 					continue;
 				}
-				this.w_queue[key] = "full";
+				this.w_queue[key] = 'full';
 			}
 		}
 
@@ -2104,15 +2101,15 @@
 		}
 
 		for (var key in this.w_queue) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				continue;
 			}
-			if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+			if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 				queued = true;
 				//test whole space
 				var $w = this.w_queue[key];
-				var dcol = parseInt(key.split("_")[0]);
-				var drow = parseInt(key.split("_")[1]);
+				var dcol = parseInt(key.split('_')[0]);
+				var drow = parseInt(key.split('_')[1]);
 				var wgd = $w.coords().grid;
 
 				for (var c = 0; c < wgd.size_x; c++) {
@@ -2134,10 +2131,10 @@
 
 	fn.is_in_queue = function (col, row, $widget) {
 		var queued = false;
-		var key = col + "_" + row;
+		var key = col + '_' + row;
 
 		if ((key in this.w_queue)) {
-			if (this.w_queue[key] === "full") {
+			if (this.w_queue[key] === 'full') {
 				queued = true;
 			} else {
 				var $tw = this.w_queue[key];
@@ -2145,7 +2142,7 @@
 				if (!this.is_widget_under_player(tgd.col, tgd.row)) {
 					delete this.w_queue[key];
 					queued = false;
-				} else if (this.w_queue[key].attr("data-col") === $widget.attr("data-col") && this.w_queue[key].attr("data-row") === $widget.attr("data-row")) {
+				} else if (this.w_queue[key].attr('data-col') === $widget.attr('data-col') && this.w_queue[key].attr('data-row') === $widget.attr('data-row')) {
 					delete this.w_queue[key];
 					queued = false;
 				} else {
@@ -2232,7 +2229,7 @@
 					// overlaps player
 					var y = (to_row + this.player_grid_data.size_y) - wgd.row;
 					if (this.can_go_down($w)) {
-						console.log("In Move Down!");
+						console.log('In Move Down!');
 						this.move_widget_down($w, y);
 						this.set_placeholder(to_col, to_row);
 					}
@@ -2702,7 +2699,6 @@
 	 * @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);
@@ -2787,7 +2783,7 @@
 			/*jshint -W083 */
 			for (var c = 0, cl = cols.length; c < cl; c++) {
 				this.for_each_widget_below(cols[c], row, function (tcol, trow) {
-					console.log("from_on_stop_overlapping_row");
+					console.log('from_on_stop_overlapping_row');
 					self.move_widget_up(this, self.player_grid_data.size_y);
 				});
 			}
@@ -2797,7 +2793,6 @@
 
 	//Not yet part of api - DM.
 	fn.new_move_widget_to = function ($widget, col, row) {
-		var self = this;
 		var widget_grid_data = $widget.coords().grid;
 
 		this.remove_from_gridmap(widget_grid_data);
@@ -2863,7 +2858,6 @@
 	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(
@@ -2905,7 +2899,6 @@
 		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)) {
@@ -2924,8 +2917,6 @@
 					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);
@@ -2935,7 +2926,7 @@
 				moved.push($widget);
 
 				/* $next_widgets.each($.proxy(function(i, widget) {
-				 console.log("from_within_move_widget_up");
+				 console.log('from_within_move_widget_up');
 				 this.move_widget_up($(widget), y_units);
 				 }, this)); */
 			}
@@ -3011,7 +3002,6 @@
 	 *  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;
@@ -3020,7 +3010,6 @@
 		/* 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;
@@ -3105,7 +3094,6 @@
 			return $nexts;
 		}
 		var self = this;
-		var ga = this.gridmap;
 		var next_row = el_grid_data.row + el_grid_data.size_y - 1;
 
 		this.for_each_column_occupied(el_grid_data, function (col) {
@@ -3172,8 +3160,6 @@
 		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) {
@@ -3181,8 +3167,6 @@
 		}
 
 		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) ||
@@ -3210,7 +3194,6 @@
 	 * @return {Boolean} Returns true if all cells are empty, else return false.
 	 */
 	fn.can_move_to = function (widget_grid_data, col, row) {
-		var ga = this.gridmap;
 		var $w = widget_grid_data.el;
 		var future_wd = {
 			size_y: widget_grid_data.size_y,
@@ -3508,8 +3491,6 @@
 	 * @returns {*|jQuery|HTMLElement} - a collection of the cells within the range
 	 */
 	fn.get_widgets_in_range = function (col1, row1, col2, row2) {
-		var valid_cols = [];
-		var valid_rows = [];
 		var $widgets = $([]);
 		var c, r, $w, wgd;
 
diff --git a/src/utils.js b/src/utils.js
index c25d6dbf06..5bb0dcbbb7 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1,5 +1,5 @@
 (function (window, undefined) {
-
+	'use strict';
 	/* Delay, debounce and throttle functions taken from underscore.js
 	 *
 	 * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and
diff --git a/test/amd-main.js b/test/amd-main.js
index db14b1dfff..3ca59a1586 100644
--- a/test/amd-main.js
+++ b/test/amd-main.js
@@ -1,6 +1,6 @@
 //Based on https://github.com/jonnyreeves/qunit-require
-/* global require */
-"use strict";
+/* global require, QUnit*/
+'use strict';
 require.config({
     //set the baseUrl to the src dir so that gridster
     //AMD modules can be found.
diff --git a/test/jquery-private.js b/test/jquery-private.js
index 6d6060ad0d..1bc47f4d3f 100644
--- a/test/jquery-private.js
+++ b/test/jquery-private.js
@@ -1,3 +1,4 @@
 define(['jquery'], function (jq) {
+	'use strict';
     return jq.noConflict( true );
 });
diff --git a/test/jquery.gridster_test.js b/test/jquery.gridster_test.js
index 10d980335d..2878587a34 100644
--- a/test/jquery.gridster_test.js
+++ b/test/jquery.gridster_test.js
@@ -1,8 +1,9 @@
-/*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*/
+//jshint quotmark:false
+/*global module:false, test:false */
+/*global ok:false, equal:false, notEqual:false, deepEqual:false*/
+/*global notDeepEqual:false */
 (function ($) {
-
+'use strict';
 	/*
 	 ======== A Handy Little QUnit Reference ========
 	 http://docs.jquery.com/QUnit
@@ -117,13 +118,11 @@
 	});
 
 	test('get_highest_occupied_cell', 1, function () {
-		var input = {col: 2, row: 3, size_x: 3, size_y: 1};
 		var grid = this.el.gridster().data('gridster');
 		deepEqual(grid.get_min_col(), 1);
 	});
 
 	test('get_highest_occupied_cell', 1, function () {
-		var input = {col: 2, row: 3, size_x: 3, size_y: 1};
 		var grid = this.el.gridster().data('gridster');
 		deepEqual(grid.get_highest_occupied_cell(), {col: 3, row: 2});
 	});
@@ -172,7 +171,7 @@
 			grid.add_widget('<li />', this.size_x, this.size_y, this.col, this.row);
 		});
 		equal(grid.get_num_widgets(), numBefore + this.resizeGrid.length, 'Loading the widgets to prepare for tests');
-		var row, col;
+
 		//check for widgets in the space it will occupy
 		var widgets = grid.get_widgets_in_range(1,1,2,2);
 		var numberInSpaceBefore = widgets.length;
diff --git a/test/lib/test_utils.js b/test/lib/test_utils.js
new file mode 100644
index 0000000000..b66fd8a892
--- /dev/null
+++ b/test/lib/test_utils.js
@@ -0,0 +1,200 @@
+/* global u, SPEED*/
+
+'use strict';
+
+window.serialization = {
+    'default': function() {
+        return [
+            {name: 'A', col: 1, row: 1, size_x: 1, size_y: 2},
+            {name: 'B', col: 2, row: 1, size_x: 3, size_y: 2},
+            {name: 'C', col: 5, row: 1, size_x: 3, size_y: 2},
+            {name: 'D', col: 8, row: 1, size_x: 2, size_y: 1},
+            {name: 'E', col: 1, row: 3, size_x: 4, size_y: 1},
+            {name: 'F', col: 10, row: 1, size_x: 1, size_y: 2},
+            {name: 'G', col: 8, row: 2, size_x: 2, size_y: 1},
+            {name: 'H', col: 5, row: 3, size_x: 3, size_y: 2},
+            {name: 'I', col: 8, row: 3, size_x: 1, size_y: 1},
+            {name: 'J', col: 9, row: 3, size_x: 2, size_y: 2},
+            {name: 'K', col: 1, row: 4, size_x: 1, size_y: 3}
+        ];
+    }
+};
+
+
+window.u = {
+    pick: function(data, prop) {
+        return data.map(function(elm) {
+            return elm[prop];
+        });
+    },
+
+    getRandomColor: function() {
+        var letters = '0123456789ABCDEF'.split('');
+        var color = '#';
+        for (var i = 0; i < 6; i++) {
+            color += letters[Math.round(Math.random() * 10)];
+        }
+        return color;
+    },
+
+    createGridster: function(config, serialize, fromDom) {
+        var defaults = {
+            widget_margins: [5, 5],
+            widget_base_dimensions: [100, 55],
+            min_cols: 10,
+            max_cols: 10
+        };
+
+        serialize || (serialize = window.serialization.default());
+
+        var widgets = [];
+        $.each(serialize, function(i, w) {
+            widgets.push(['<li>' + w.name + '</li>', w.size_x, w.size_y, w.col, w.row]);
+        });
+
+        this.$fixture = $('#fixture');
+        this.$fixture.html('<div class="gridster"><ul></ul></div>');
+        this.$el = $('.gridster > ul');
+
+        if (fromDom) {
+            var html = [];
+            $.each(serialize, function(i, w) {
+                html.push('<li data-col="' + w.col + '" data-row="' + w.row + '" data-sizex="' + w.size_x + '" data-sizey="' + w.size_y + '">' + w.name + '</li>');
+            });
+            this.$el.html(html.join('\n'));
+        }
+
+        this.gridster = this.$el.gridster(
+            $.extend({}, defaults, config)).data('gridster');
+
+        if (!fromDom) {
+            $.each(widgets, function(i, widget) {
+                this.gridster.add_widget.apply(this.gridster, widget);
+            }.bind(this));
+        }
+
+        this.drag_from_to = u._dragFromTo;
+
+        return this.gridster;
+    },
+
+    createEvent: function(type, offset) {
+        var event = document.createEvent('MouseEvents');
+        event.initMouseEvent(type, true, true, window, 0, 0, 0,
+            offset.left, offset.top, false, false, false, false, 0, null);
+
+        return event;
+    },
+
+    dispatchEvent: function(elem, type, event) {
+        if (elem.dispatchEvent) {
+            elem.dispatchEvent(event);
+        } else if (elem.fireEvent) {
+            elem.fireEvent('on' + type, event);
+        }
+    },
+
+    _dragFromTo: function(fromCoords, toCoords) {
+        var d = $.Deferred();
+        var gridster = this.gridster;
+        var $el;
+
+        function getMousePos(coords) {
+            var size = gridster.options.widget_base_dimensions;
+            var margin = gridster.options.widget_margins;
+
+            var left = ((coords[0] - 1) * size[0]) + (margin[0] * ((coords[0] * 2) - 1));
+            var top = ((coords[1] - 1) * size[1]) + (margin[1] * ((coords[1] * 2) - 1));
+
+            var parentOffset = gridster.$wrapper.offset();
+
+            return {
+                left: parentOffset.left + left + 20,
+                top: parentOffset.top + top + 20
+            };
+        }
+
+        function addPoint(offset) {
+            $('<span/>').css({
+                left: offset.left + 'px',
+                top: offset.top + 'px',
+                width: '2px',
+                height: '2px',
+                background: 'red',
+                display: 'inline-block',
+                position: 'absolute',
+                zIndex: '9999'
+            }).appendTo('body');
+        }
+
+        var from_offset;
+
+        if (fromCoords instanceof $) {
+            $el = fromCoords;
+            var offset = $el.offset();
+            from_offset = {
+                left: offset.left + ($el.width() / 2),
+                top: offset.top + ($el.height() / 2)
+            };
+        } else {
+            $el = this.gridster.gridmap[fromCoords[0]][fromCoords[1]];
+            from_offset = getMousePos(fromCoords);
+        }
+
+        if (! $el) {
+            return;
+        }
+
+        var to_offset = getMousePos(toCoords);
+        var el = $el.get(0);
+
+        addPoint(from_offset);
+        addPoint(to_offset);
+
+        // Simulating drag start
+        var type = 'mousedown';
+        var event = u.createEvent(type, from_offset);
+        u.dispatchEvent(el, type, event);
+
+        // Simulating drop
+        type = 'mousemove';
+        u.dispatchEvent(el, type, u.createEvent(type, {
+            top: from_offset.top + 2,
+            left: from_offset.left + 2
+        }));
+
+        this.gridster.$el.on('gridster:dragstop gridster:resizestop', function() {
+            setTimeout(function() {
+                d.resolveWith(this);
+            }.bind(this), SPEED);
+        }.bind(this));
+
+        var diff_x = to_offset.left - from_offset.left;
+        var diff_y = to_offset.top - from_offset.top;
+        var steps = 10;
+        var step_x = diff_x / steps;
+        var step_y = diff_y / steps;
+
+        var tmp_offset = {
+            left: from_offset.left,
+            top: from_offset.top
+        };
+
+        for (var i = 0; i < steps; i++) {
+            tmp_offset.left += step_x;
+            tmp_offset.top += step_y;
+            addPoint(tmp_offset);
+            u.dispatchEvent(el, type, u.createEvent(type, tmp_offset));
+        }
+
+        u.dispatchEvent(el, type, u.createEvent(type, to_offset));
+        addPoint(to_offset);
+
+        // Simulating drag end
+        type = 'mouseup';
+        var dragEndEvent = u.createEvent(type, to_offset);
+        u.dispatchEvent(el, type, dragEndEvent);
+
+        return d.promise();
+    }
+};
diff --git a/test/testsuite.js b/test/testsuite.js
index 86a00906fa..fd21103a38 100644
--- a/test/testsuite.js
+++ b/test/testsuite.js
@@ -1,12 +1,11 @@
-/* global require */
-"use strict";
+'use strict';
 define([
     'QUnit',
     'jquery',
     'gridster'
 ], function(QUnit, $, gridster) {
 
-        QUnit.module("Gridster AMD", {
+        QUnit.module('Gridster AMD', {
             setup: function () {
             },
             teardown: function () {
@@ -21,8 +20,8 @@ define([
 
         QUnit.test('gridster should be initialized.', function() {
             $('.wrapper ul').gridster();
-            equal($(".wrapper").hasClass('ready'), true, 'Gridster should initialized wrapper.');
-            equal($(".wrapper ul li").length, $(".gs-w").length, 'grid elements get a .gs-w class');
+            equal($('.wrapper').hasClass('ready'), true, 'Gridster should initialized wrapper.');
+            equal($('.wrapper ul li').length, $('.gs-w').length, 'grid elements get a .gs-w class');
         });
     }
 );