diff --git a/CHANGELOG.md b/CHANGELOG.md
index 914b0187aa..30e52706c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,24 @@
+<a name="v0.4.0"></a>
+## v0.4.0 (2014-02-07)
+
+
+#### Bug Fixes
+
+* **gridster:**
+  * leaking options with multiple Gridster instances ([07c71097](http://github.com/ducksboard/gridster.js/commit/07c7109771094d98be51d68448a20e1d2987b35d))
+  * resize.axes default option only 'both' ([62988780](http://github.com/ducksboard/gridster.js/commit/6298878077d5db129daa9780939fec5237b82af9))
+* **licenses:** add required copyright message for underscore ([b563c094](http://github.com/ducksboard/gridster.js/commit/b563c094cf0f3a5da2288492f95759ae32e8967c))
+* **readme:** link title jsfiddle -> jsbin, edit 5) of process steps ([0641aa89](http://github.com/ducksboard/gridster.js/commit/0641aa89833ecf9d167f7d8e89ee8bd5b4304248))
+
+
+#### Features
+
+* **draggable:**
+  * method to set drag limits dynamically ([d4482ec1](http://github.com/ducksboard/gridster.js/commit/d4482ec1476f8a0b6fb6cdeb25b7774ef678d81c))
+  * support horizontal scrolling while dragging ([ae4921b7](http://github.com/ducksboard/gridster.js/commit/ae4921b70798944211267cacf8a89e62d0818369))
+* **gridster:** increase grid width when dragging or resizing ([37c4e943](http://github.com/ducksboard/gridster.js/commit/37c4e94358b9392710452b9e7f96454837bf9845))
+* **resize:** add option to set min_size of a widget ([ff511872](http://github.com/ducksboard/gridster.js/commit/ff511872e65992ee89bd2a88d862caaf99733f38))
+
 <a name="v0.3.0"></a>
 ## v0.3.0 (2013-11-18)
 
diff --git a/dist/jquery.gridster.css b/dist/jquery.gridster.css
index cd16547c66..c0e01ed750 100644
--- a/dist/jquery.gridster.css
+++ b/dist/jquery.gridster.css
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.3.0 - 2013-11-19
+/*! gridster.js - v0.4.0 - 2014-02-07
 * http://gridster.net/
-* Copyright (c) 2013 ducksboard; Licensed MIT */
+* Copyright (c) 2014 ducksboard; Licensed MIT */
 
 .gridster {
     position:relative;
diff --git a/dist/jquery.gridster.js b/dist/jquery.gridster.js
index 4859e7da09..f5ef79ae29 100644
--- a/dist/jquery.gridster.js
+++ b/dist/jquery.gridster.js
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.3.0 - 2013-11-19
+/*! gridster.js - v0.4.0 - 2014-02-07
 * http://gridster.net/
-* Copyright (c) 2013 ducksboard; Licensed MIT */
+* Copyright (c) 2014 ducksboard; Licensed MIT */
 
 ;(function($, window, document, undefined){
     /**
@@ -324,8 +324,33 @@
         return setTimeout(function(){ return func.apply(null, args); }, wait);
     };
 
-
-    /* Debounce and throttle functions taken from underscore.js */
+    /* Debounce and throttle functions taken from underscore.js
+     *
+     * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and 
+     * Investigative Reporters & Editors
+     *
+     * Permission is hereby granted, free of charge, to any person
+     * obtaining a copy of this software and associated documentation
+     * files (the "Software"), to deal in the Software without
+     * restriction, including without limitation the rights to use,
+     * copy, modify, merge, publish, distribute, sublicense, and/or sell
+     * copies of the Software, and to permit persons to whom the
+     * Software is furnished to do so, subject to the following
+     * conditions:
+     * 
+     * The above copyright notice and this permission notice shall be
+     * included in all copies or substantial portions of the Software.
+     *
+     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+     * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+     * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+     * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+     * OTHER DEALINGS IN THE SOFTWARE.
+     */
+     
     window.debounce = function(func, wait, immediate) {
         var timeout;
         return function() {
@@ -340,7 +365,6 @@
         };
     };
 
-
     window.throttle = function(func, wait) {
         var context, args, timeout, throttling, more, result;
         var whenDone = debounce(
@@ -787,7 +811,7 @@
         },
         resize: {
             enabled: false,
-            axes: ['x', 'y', 'both'],
+            axes: ['both'],
             handle_append_to: '',
             handle_class: 'gs-resize-handle',
             max_size: [Infinity, Infinity]
@@ -852,6 +876,9 @@
     *       @param {Array} [options.resize.max_size] Limit widget dimensions
     *        when resizing. Array values should be integers:
     *        `[max_cols_occupied, max_rows_occupied]`
+    *       @param {Array} [options.resize.min_size] Limit widget dimensions
+    *        when resizing. Array values should be integers:
+    *        `[min_cols_occupied, min_rows_occupied]`
     *       @param {Function} [options.resize.start] Function executed
     *        when resizing starts.
     *       @param {Function} [otions.resize.resize] Function executed
@@ -862,7 +889,7 @@
     * @constructor
     */
     function Gridster(el, options) {
-        this.options = $.extend(true, defaults, options);
+        this.options = $.extend(true, {}, defaults, options);
         this.$el = $(el);
         this.$wrapper = this.$el.parent();
         this.$widgets = this.$el.children(
@@ -962,10 +989,11 @@
     * @param {Number} [col] The column the widget should start in.
     * @param {Number} [row] The row the widget should start in.
     * @param {Array} [max_size] max_size Maximun size (in units) for width and height.
+    * @param {Array} [min_size] min_size Minimum size (in units) for width and height.
     * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing.
     *  the widget that was just created.
     */
-    fn.add_widget = function(html, size_x, size_y, col, row, max_size) {
+    fn.add_widget = function(html, size_x, size_y, col, row, max_size, min_size) {
         var pos;
         size_x || (size_x = 1);
         size_y || (size_y = 1);
@@ -999,12 +1027,39 @@
             this.set_widget_max_size($w, max_size);
         }
 
+        if (min_size) {
+            this.set_widget_min_size($w, min_size);
+        }
+
         this.set_dom_grid_height();
 
         return $w.fadeIn();
     };
 
 
+    /**
+    * Change widget size limits.
+    *
+    * @method set_widget_min_size
+    * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement
+    *  representing the widget or an index representing the desired widget.
+    * @param {Array} min_size Minimum size (in units) for width and height.
+    * @return {HTMLElement} Returns instance of gridster Class.
+    */
+    fn.set_widget_min_size = function($widget, min_size) {
+        $widget = typeof $widget === 'number' ?
+            this.$widgets.eq($widget) : $widget;
+
+        if (!$widget.length) { return this; }
+
+        var wgd = $widget.data('coords').grid;
+        wgd.min_size_x = min_size[0];
+        wgd.min_size_y = min_size[1];
+
+        return this;
+    };
+
+
     /**
     * Change widget size limits.
     *
@@ -1432,6 +1487,8 @@
             'size_y': parseInt($el.attr('data-sizey'), 10),
             'max_size_x': parseInt($el.attr('data-max-sizex'), 10) || false,
             'max_size_y': parseInt($el.attr('data-max-sizey'), 10) || false,
+            'min_size_x': parseInt($el.attr('data-min-sizex'), 10) || false,
+            'min_size_y': parseInt($el.attr('data-min-sizey'), 10) || false,
             'el': $el
         };
 
@@ -1812,6 +1869,12 @@
             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.resize_dir = {
@@ -1904,14 +1967,17 @@
         var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x);
         var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y);
 
-        size_x = Math.min(size_x, this.resize_max_size_x);
+        size_x = Math.max(Math.min(size_x, this.resize_max_size_x), this.resize_min_size_x);
         max_width = (this.resize_max_size_x * wbd_x) +
             ((size_x - 1) * this.options.widget_margins[0] * 2);
+        min_width = (this.resize_min_size_x * wbd_x) +
+            ((size_x - 1) * this.options.widget_margins[0] * 2);
 
-        size_y = Math.min(size_y, this.resize_max_size_y);
+        size_y = Math.max(Math.min(size_y, this.resize_max_size_y), this.resize_min_size_y);
         max_height = (this.resize_max_size_y * wbd_y) +
             ((size_y - 1) * this.options.widget_margins[1] * 2);
-
+        min_height = (this.resize_min_size_y * wbd_y) +
+          ((size_y - 1) * this.options.widget_margins[1] * 2);
 
         if (this.resize_dir.right) {
             size_y = this.resize_initial_sizey;
@@ -1934,10 +2000,10 @@
 
 
         var css_props = {};
-        !this.resize_dir.bottom && (css_props.width = Math.min(
-            this.resize_initial_width + rel_x, max_width));
-        !this.resize_dir.right && (css_props.height = Math.min(
-            this.resize_initial_height + rel_y, max_height));
+        !this.resize_dir.bottom && (css_props.width = Math.max(Math.min(
+            this.resize_initial_width + rel_x, max_width), min_width));
+        !this.resize_dir.right && (css_props.height = Math.max(Math.min(
+            this.resize_initial_height + rel_y, max_height), min_height));
 
         this.$resized_widget.css(css_props);
 
diff --git a/dist/jquery.gridster.min.css b/dist/jquery.gridster.min.css
index 6f90025a69..abefe5f316 100644
--- a/dist/jquery.gridster.min.css
+++ b/dist/jquery.gridster.min.css
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.3.0 - 2013-11-19 - * http://gridster.net/ - Copyright (c) 2013 ducksboard; Licensed MIT */ 
+/*! gridster.js - v0.4.0 - 2014-02-07 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ 
 .gridster{position:relative}.gridster>*{margin:0 auto;-webkit-transition:height .4s,width .4s;-moz-transition:height .4s,width .4s;-o-transition:height .4s,width .4s;-ms-transition:height .4s,width .4s;transition:height .4s,width .4s}.gridster .gs-w{z-index:2;position:absolute}.ready .gs-w:not(.preview-holder){-webkit-transition:opacity .3s,left .3s,top .3s;-moz-transition:opacity .3s,left .3s,top .3s;-o-transition:opacity .3s,left .3s,top .3s;transition:opacity .3s,left .3s,top .3s}.ready .gs-w:not(.preview-holder),.ready .resize-preview-holder{-webkit-transition:opacity .3s,left .3s,top .3s,width .3s,height .3s;-moz-transition:opacity .3s,left .3s,top .3s,width .3s,height .3s;-o-transition:opacity .3s,left .3s,top .3s,width .3s,height .3s;transition:opacity .3s,left .3s,top .3s,width .3s,height .3s}.gridster .preview-holder{z-index:1;position:absolute;background-color:#fff;border-color:#fff;opacity:.3}.gridster .player-revert{z-index:10!important;-webkit-transition:left .3s,top .3s!important;-moz-transition:left .3s,top .3s!important;-o-transition:left .3s,top .3s!important;transition:left .3s,top .3s!important}.gridster .dragging,.gridster .resizing{z-index:10!important;-webkit-transition:all 0s!important;-moz-transition:all 0s!important;-o-transition:all 0s!important;transition:all 0s!important}.gs-resize-handle{position:absolute;z-index:1}.gs-resize-handle-both{width:20px;height:20px;bottom:-8px;right:-8px;background-image:url(data:image/svg+xml;base64,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);background-position:top left;background-repeat:no-repeat;cursor:se-resize;z-index:20}.gs-resize-handle-x{top:0;bottom:13px;right:-5px;width:10px;cursor:e-resize}.gs-resize-handle-y{left:0;right:13px;bottom:-5px;height:10px;cursor:s-resize}.gs-w:hover .gs-resize-handle,.resizing .gs-resize-handle{opacity:1}.gs-resize-handle,.gs-w.dragging .gs-resize-handle{opacity:0}.gs-resize-disabled .gs-resize-handle{display:none!important}[data-max-sizex="1"] .gs-resize-handle-x,[data-max-sizey="1"] .gs-resize-handle-y,[data-max-sizey="1"][data-max-sizex="1"] .gs-resize-handle{display:none!important}
\ No newline at end of file
diff --git a/dist/jquery.gridster.min.js b/dist/jquery.gridster.min.js
index 910c3e3cdd..1ed730901c 100644
--- a/dist/jquery.gridster.min.js
+++ b/dist/jquery.gridster.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.3.0 - 2013-11-19 - * http://gridster.net/ - Copyright (c) 2013 ducksboard; Licensed MIT */ (function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t}})(jQuery,window,document),function(t,i,e){function s(i,e,s){this.options=t.extend(r,s),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],"string"==typeof e||e instanceof t?this.$colliders=t(e,this.options.colliders_context).not(this.$element):this.colliders=t(e),this.init()}var r={colliders_context:e.body},o=s.prototype;o.init=function(){this.find_collisions()},o.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},o.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1<i.y2&&(e="N"),t.y2>i.y1&&t.y2<i.cy&&(e="S"),t.x1>i.cx&&t.x1<i.x2&&(s="W"),t.x2>i.x1&&t.x2<i.cx&&(s="E"),e+s||"C"},o.calculate_overlapped_area_coords=function(i,e){var s=Math.max(i.x1,e.x1),r=Math.max(i.y1,e.y1),o=Math.min(i.x2,e.x2),a=Math.min(i.y2,e.y2);return t({left:s,top:r,width:o-s,height:a-r}).coords().get()},o.calculate_overlapped_area=function(t){return t.width*t.height},o.manage_colliders_start_stop=function(i,e,s){for(var r=this.last_colliders_coords,o=0,a=r.length;a>o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var h=0,n=i.length;n>h;h++)-1===t.inArray(i[h],r)&&s.call(this,i[h])},o.find_collisions=function(i){for(var e=this,s=[],r=[],o=this.colliders||this.$colliders,a=o.length,h=e.$element.coords().update(i||!1).get();a--;){var n=e.$colliders?t(o[a]):o[a],_=n.isCoords?n:n.coords(),d=_.get(),l=e.overlaps(h,d);if(l){var c=e.detect_overlapping_region(h,d);if("C"===c){var p=e.calculate_overlapped_area_coords(h,d),g=e.calculate_overlapped_area(p),u={area:g,area_coords:p,region:c,coords:d,player_coords:h,el:n};e.options.on_overlap&&e.options.on_overlap.call(this,u),s.push(_),r.push(u)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(s,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=s,r},o.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1<i.coords.y1||t.coords.x1<i.coords.x1?-1:1:t.area<i.area?1:1}),i},t.fn.collision=function(t,i){return new s(this,t,i)}}(jQuery,window,document),function(t){t.delay=function(t,i){var e=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return t.apply(null,e)},i)},t.debounce=function(t,i,e){var s;return function(){var r=this,o=arguments,a=function(){s=null,e||t.apply(r,o)};e&&!s&&t.apply(r,o),clearTimeout(s),s=setTimeout(a,i)}},t.throttle=function(t,i){var e,s,r,o,a,h,n=debounce(function(){a=o=!1},i);return function(){e=this,s=arguments;var _=function(){r=null,a&&t.apply(e,s),n()};return r||(r=setTimeout(_,i)),o?a=!0:h=t.apply(e,s),n(),o=!0,h}}}(window),function(t,i,e){function s(i,s){this.options=t.extend({},r,s),this.$body=t(e.body),this.$container=t(i),this.$dragitems=t(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.init()}var r={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},o=t(i),a={x:"left",y:"top"},h=!!("ontouchstart"in i),n={start:h?"touchstart.gridster-draggable":"mousedown.gridster-draggable",move:h?"touchmove.gridster-draggable":"mousemove.gridster-draggable",end:h?"touchend.gridster-draggable":"mouseup.gridster-draggable"},_=function(t){return t.charAt(0).toUpperCase()+t.slice(1)},d=s.prototype;d.init=function(){this.calculate_dimensions(),this.$container.css("position","relative"),this.disabled=!1,this.events(),t(i).bind("resize.gridster-draggable",throttle(t.proxy(this.calculate_dimensions,this),200))},d.events=function(){this.$container.on("selectstart.gridster-draggable",t.proxy(this.on_select_start,this)),this.$container.on(n.start,this.options.items,t.proxy(this.drag_handler,this)),this.$body.on(n.end,t.proxy(function(t){this.is_dragging=!1,this.disabled||(this.$body.off(n.move),this.drag_start&&this.on_dragstop(t))},this))},d.get_actual_pos=function(t){var i=t.position();return i},d.get_mouse_pos=function(t){if(h){var i=t.originalEvent;t=i.touches.length?i.touches[0]:i.changedTouches[0]}return{left:t.clientX,top:t.clientY}},d.get_offset=function(t){t.preventDefault();var i=this.get_mouse_pos(t),e=Math.round(i.left-this.mouse_init_pos.left),s=Math.round(i.top-this.mouse_init_pos.top),r=Math.round(this.el_init_offset.left+e-this.baseX+this.scroll_offset_x),o=Math.round(this.el_init_offset.top+s-this.baseY+this.scroll_offset_y);return this.options.limit&&(r>this.player_max_left?r=this.player_max_left:this.player_min_left>r&&(r=this.player_min_left)),{position:{left:r,top:o},pointer:{left:i.left,top:i.top,diff_left:e+this.scroll_offset_x,diff_top:s+this.scroll_offset_y}}},d.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},d.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},d.scroll_in=function(i,s){var r,h=a[i],n=50,d=30,l="x"===i,c=l?this.window_width:this.window_height,p=l?t(e).width():t(e).height(),g=l?this.$player.width():this.$player.height(),u=o["scroll"+_(h)](),f=u,w=f+c,m=w-n,y=f+n,v=f+s.pointer[h],z=p-c+g;return v>=m&&(r=u+d,z>r&&(o["scroll"+_(h)](r),this["scroll_offset_"+i]+=d)),y>=v&&(r=u-d,r>0&&(o["scroll"+_(h)](r),this["scroll_offset_"+i]-=d)),this},d.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},d.calculate_dimensions=function(){this.window_height=o.height(),this.window_width=o.width()},d.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||h)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$body.on(n.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),h?undefined:!1}},d.on_dragstart=function(t){if(t.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var i=this.$container.offset();return this.baseX=Math.round(i.left),this.baseY=Math.round(i.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,t,this.get_drag_data(t)),!1},d.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},d.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.$helper.remove(),!1},d.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?undefined:!1},d.enable=function(){this.disabled=!1},d.disable=function(){this.disabled=!0},d.destroy=function(){this.disable(),this.$container.off(".gridster-draggable"),this.$body.off(".gridster-draggable"),t(i).off(".gridster-draggable"),t.removeData(this.$container,"drag")},d.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new s(this,t)}}(jQuery,window,document),function(t,i,e){function s(i,e){this.options=t.extend(!0,r,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.$style_tags=t([]),this.init()}var r={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4},resize:{enabled:!1,axes:["x","y","both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0]}};s.generated_stylesheets=[];var o=s.prototype;o.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),t(i).bind("resize.gridster",throttle(t.proxy(this.recalculate_faux_grid,this),200))},o.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},o.enable=function(){return this.drag_api.enable(),this},o.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},o.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},o.add_widget=function(i,e,s,r,o,a){var h;e||(e=1),s||(s=1),!r&!o?h=this.next_position(e,s):(h={col:r,row:o},this.empty_cells(r,o,e,s));var n=t(i).attr({"data-col":h.col,"data-row":h.row,"data-sizex":e,"data-sizey":s}).addClass("gs-w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(n),this.register_widget(n),this.add_faux_rows(h.size_y),a&&this.set_widget_max_size(n,a),this.set_dom_grid_height(),n.fadeIn()},o.set_widget_max_size=function(t,i){if(t="number"==typeof t?this.$widgets.eq(t):t,!t.length)return this;var e=t.data("coords").grid;return e.max_size_x=i[0],e.max_size_y=i[1],this},o.add_resize_handle=function(i){var e=this.options.resize.handle_append_to;return t(this.resize_handle_tpl).appendTo(e?t(e,i):i),this},o.resize_widget=function(t,i,e,s){var r=t.coords().grid,o=r.col,a=this.options.max_cols,h=r.size_y,n=r.col,_=n;i||(i=r.size_x),e||(e=r.size_y),1/0!==a&&(i=Math.min(i,a-o+1)),e>h&&this.add_faux_rows(Math.max(e-h,0));var d=o+i-1;d>this.cols&&this.add_faux_cols(d-this.cols);var l={col:_,row:r.row,size_x:i,size_y:e};return this.mutate_widget_in_gridmap(t,r,l),this.set_dom_grid_height(),this.set_dom_grid_width(),s&&s.call(this,l.size_x,l.size_y),t},o.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),h=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&h.push(e)});var n=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&n.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),n.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),h.length){var p=[h[0],s.row,h.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},o.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(t(s),a)}},this)),this.set_dom_grid_height(),this},o.remove_empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,e){this.move_widget_up(t(e),r)},this)),this.set_dom_grid_height(),this},o.next_position=function(t,i){t||(t=1),i||(i=1);for(var e,s=this.gridmap,r=s.length,o=[],a=1;r>a;a++){e=s[a].length;for(var h=1;e>=h;h++){var n=this.can_move_to({size_x:t,size_y:i},a,h);n&&o.push({col:a,row:h,size_y:i,size_x:t})}}return o.length?this.sort_by_row_and_col_asc(o)[0]:!1},o.remove_widget=function(i,e,s){var r=i instanceof t?i:t(i),o=r.coords().grid;t.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},o.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},o.serialize=function(i){i||(i=this.$widgets);var e=[];return i.each(t.proxy(function(i,s){e.push(this.options.serialize_params(t(s),t(s).coords().grid))},this)),e},o.serialize_changed=function(){return this.serialize(this.$changed)},o.register_widget=function(i){var e={col:parseInt(i.attr("data-col"),10),row:parseInt(i.attr("data-row"),10),size_x:parseInt(i.attr("data-sizex"),10),size_y:parseInt(i.attr("data-sizey"),10),max_size_x:parseInt(i.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(i.attr("data-max-sizey"),10)||!1,el:i};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:e.size_x,size_y:e.size_y},e.col,e.row)&&(t.extend(e,this.next_position(e.size_x,e.size_y)),i.attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y})),i.data("coords",i.coords()),i.data("coords").grid=e,this.add_to_gridmap(e,i),this.options.resize.enabled&&this.add_resize_handle(i),this},o.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,undefined):this}),this},o.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},o.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},o.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.container_width,limit:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON","."+this.options.resize.handle_class],start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},o.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},o.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=t.map(i,function(t){return e.replace("{type}",t)}).join(""),this},o.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.highest_col+1);var s=this.cols-this.highest_col;this.player_grid_data.size_x>s&&this.add_faux_cols(this.player_grid_data.size_x-s);var r=this.faux_grid,o=this.$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.$helper.collision(r,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:o.width,height:o.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},o.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s===this.highest_col&&(this.cols>s&&this.set_dom_grid_width(s+1),this.highest_col=s+1,this.drag_api.set_limits(this.container_width))}this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},o.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width)},o.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget)},o.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""})},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget)},o.on_resize=function(t,i){var e=i.pointer.diff_left,s=i.pointer.diff_top,r=this.options.widget_base_dimensions[0],o=this.options.widget_base_dimensions[1],a=1/0,h=1/0,n=Math.ceil(e/(this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0])-.2),_=Math.ceil(s/(this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1])-.2),d=Math.max(1,this.resize_initial_sizex+n),l=Math.max(1,this.resize_initial_sizey+_);if(d=Math.min(d,this.resize_max_size_x),a=this.resize_max_size_x*r+2*(d-1)*this.options.widget_margins[0],l=Math.min(l,this.resize_max_size_y),h=this.resize_max_size_y*o+2*(l-1)*this.options.widget_margins[1],this.resize_dir.right?l=this.resize_initial_sizey:this.resize_dir.bottom&&(d=this.resize_initial_sizex),this.options.autogrow_cols){var c=this.resize_initial_col+d-1;this.options.autogrow_cols&&c>=this.resize_initial_last_col&&(this.set_dom_grid_width(c+1),c>this.cols&&this.add_faux_cols(c-this.cols))}var p={};!this.resize_dir.bottom&&(p.width=Math.min(this.resize_initial_width+e,a)),!this.resize_dir.right&&(p.height=Math.min(this.resize_initial_height+s,h)),this.$resized_widget.css(p),(d!==this.resize_last_sizex||l!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,d,l),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":d,"data-sizey":l})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.resize_last_sizex=d,this.resize_last_sizey=l},o.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},o.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},o.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var h=this.get_widgets_overlapped(this.player_grid_data),n=this.widgets_constraints(h);if(this.manage_movements(n.can_go_up,o,a),this.manage_movements(n.can_not_go_up,o,a),!h.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},o.widgets_constraints=function(i){var e,s=t([]),r=[],o=[];return i.each(t.proxy(function(i,e){var a=t(e),h=a.coords().grid;this.can_go_widget_up(h)?(s=s.add(a),r.push(h)):o.push(h)},this)),e=i.not(s),{can_go_up:this.sort_by_row_asc(r),can_not_go_up:this.sort_by_row_desc(o)}},o.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},o.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},o.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},o.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_y<i.row+i.size_y?1:-1})},o.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var n=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,n),this.set_placeholder(e,s)}}},this)),this},o.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},o.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},o.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},o.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},o.is_empty=function(t,i){return this.gridmap[t]!==undefined?this.gridmap[t][i]!==undefined&&this.gridmap[t][i]===!1?!0:!1:!0},o.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},o.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},o.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},o.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},o.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,h=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||h)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var n=this.get_widgets_under_player(this.cells_occupied_by_placeholder);n.length&&n.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},o.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],h=i+1;for(s[t]=[];--h>0&&(this.is_empty(t,h)||this.is_player(t,h)||this.is_widget(t,h)&&a[h].is(o));)s[t].push(h),r=r>h?h:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i}),undefined)}),e?this.get_valid_rows(t,s,r):!1},o.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var h=i+1;--h>0&&(!this.is_widget(o,h)||this.is_player_in(o,h)||a[h].is(t.el));)this.is_player(o,h)||this.is_placeholder_in(o,h)||this.is_player_in(o,h)||s[o].push(h),r>h&&(r=h);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),undefined)}),e?this.get_valid_rows(t,s,r):!1},o.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,h=s-1,n=[];o>=++h;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(h,e)&&(_=!1)}),_===!0&&(n.push(h),n.length===a))break}var d=!1;return 1===a?n[0]!==r&&(d=n[0]||!1):n[0]!==r&&(d=this.get_consecutive_numbers_index(n,a)),d},o.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},o.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},o.on_start_overlapping_column=function(t){this.set_player(t,!1)},o.on_start_overlapping_row=function(t){this.set_player(!1,t)},o.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},o.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},o.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},o.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,h=r-e;if(h=this.can_go_up_to_row(a,s,h),!h)return!0;var n=this.widgets_below(i);this.remove_from_gridmap(a),a.row=h,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),n.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),undefined):!1},o.move_widget_down=function(i,e){var s,r,o,a;
-if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var h=i.coords().grid,n=r+e,_=this.widgets_below(i);this.remove_from_gridmap(h),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,h,a);o>0&&this.move_widget_down(s,o)},this)),h.row=n,this.update_widget_position(h,i),i.attr("data-row",h.row),this.$changed=this.$changed.add(i),o.push(i)}},o.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,h=[],n=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],h[t]=[],r=n;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)h[t].push(r);return h[t].length?undefined:(a=!1,!0)}),!a)return!1;for(r=s,r=1;n>r;r++){for(var _=!0,d=0,l=h.length;l>d;d++)h[d]&&-1===t.inArray(r,h[d])&&(_=!1);if(_===!0){a=r;break}}return a},o.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},o.widgets_below=function(i){var e=t.isPlainObject(i)?i:i.coords().grid,s=this;this.gridmap;var r=e.row+e.size_y-1,o=t([]);return this.for_each_column_occupied(e,function(i){s.for_each_widget_below(i,r,function(){return s.is_player(this)||-1!==t.inArray(this,o)?undefined:(o=o.add(this),!0)})}),this.sort_by_row_asc(o)},o.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},o.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},o.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):undefined}),r)},o.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,h=i+t.size_x-1;return h>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},o.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},o.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},o.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},o.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},o.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},o.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},o._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var h,n,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(h=o.call(a[s][c],s,c),l.push(a[s][c]),h)););},"for_each/below":function(){for(c=r+1,n=a[s].length;n>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(h=o.call(a[s][c],s,c),l.push(a[s][c]),!h));c++);}};p[_]&&p[_].call(this)}},o.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},o.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},o.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},o.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},o.set_dom_grid_height=function(t){if(t===undefined){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},o.set_dom_grid_width=function(t){return t===undefined&&(t=this.get_highest_occupied_cell().col),t=Math.min(this.options.max_cols,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},o.generate_stylesheet=function(i){var e,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,s.generated_stylesheets)>=0)return!1;for(s.generated_stylesheets.push(a),e=i.cols;e>=0;e--)r+=i.namespace+' [data-col="'+(e+1)+'"] { left:'+(e*i.widget_base_dimensions[0]+e*i.widget_margins[0]+(e+1)*i.widget_margins[0])+"px; }\n";for(e=i.rows;e>=0;e--)r+=i.namespace+' [data-row="'+(e+1)+'"] { top:'+(e*i.widget_base_dimensions[1]+e*i.widget_margins[1]+(e+1)*i.widget_margins[1])+"px; }\n";for(var h=1;i.rows>=h;h++)r+=i.namespace+' [data-sizey="'+h+'"] { height:'+(h*i.widget_base_dimensions[1]+(h-1)*2*i.widget_margins[1])+"px; }\n";for(var n=1;o>=n;n++)r+=i.namespace+' [data-sizex="'+n+'"] { width:'+(n*i.widget_base_dimensions[0]+(n-1)*2*i.widget_margins[0])+"px; }\n";return this.add_style_tag(r)},o.add_style_tag=function(t){var i=e,s=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(s),s.setAttribute("type","text/css"),s.styleSheet?s.styleSheet.cssText=t:s.appendChild(e.createTextNode(t)),this.$style_tags=this.$style_tags.add(s),this},o.remove_style_tags=function(){this.$style_tags.remove()},o.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},o.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},o.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.recalculate_faux_grid=function(){var e=this.$wrapper.width();return this.baseX=(t(i).width()-e)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},o.get_widgets_from_DOM=function(){return this.$widgets.each(t.proxy(function(i,e){this.register_widget(t(e))},this)),this},o.generate_grid_and_stylesheet=function(){var e=this.$wrapper.width(),s=this.options.max_cols,r=Math.floor(e/this.min_widget_width)+this.options.extra_cols,o=this.$widgets.map(function(){return t(this).attr("data-col")}).get();o.length||(o=[0]);var a=Math.max.apply(Math,o);this.cols=Math.max(a,r,this.options.min_cols),1/0!==s&&s>=a&&this.cols>s&&(this.cols=s);var h=this.options.extra_rows;return this.$widgets.each(function(i,e){h+=+t(e).attr("data-sizey")}),this.rows=Math.max(h,this.options.min_rows),this.baseX=(t(i).width()-e)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},o.destroy=function(){return t(i).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new s(this,i))})},t.Gridster=o}(jQuery,window,document);
\ No newline at end of file
+/*! gridster.js - v0.4.0 - 2014-02-07 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(i){function t(t){return t[0]&&i.isPlainObject(t[0])?this.data=t[0]:this.el=t,this.isCoords=!0,this.coords={},this.init(),this}var e=t.prototype;e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(i,t){var e=this.el;if(e&&!i&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&i&&!t){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(t){if(!t&&!this.el)return this;if(t){var e=i.extend({},this.data,t);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return 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r,n=a[t],h=50,d=30,l="x"===t,c=l?this.window_width:this.window_height,p=l?i(e).width():i(e).height(),g=l?this.$player.width():this.$player.height(),u=o["scroll"+_(n)](),f=u,w=f+c,m=w-h,y=f+h,v=f+s.pointer[n],z=p-c+g;return v>=m&&(r=u+d,z>r&&(o["scroll"+_(n)](r),this["scroll_offset_"+t]+=d)),y>=v&&(r=u-d,r>0&&(o["scroll"+_(n)](r),this["scroll_offset_"+t]-=d)),this},d.manage_scroll=function(i){this.scroll_in("x",i),this.scroll_in("y",i)},d.calculate_dimensions=function(){this.window_height=o.height(),this.window_width=o.width()},d.drag_handler=function(t){if(t.target.nodeName,!this.disabled&&(1===t.which||n)&&!this.ignore_drag(t)){var e=this,s=!0;return this.$player=i(t.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(t),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$body.on(h.move,function(i){var t=e.get_mouse_pos(i),r=Math.abs(t.left-e.mouse_init_pos.left),o=Math.abs(t.top-e.mouse_init_pos.top);return 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t=this.get_drag_data(i);this.options.autoscroll&&this.manage_scroll(t),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:t.position.left,top:t.position.top});var e=this.last_position||t.position;return t.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,i,t),this.last_position=t.position,!1},d.on_dragstop=function(i){var t=this.get_drag_data(i);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,i,t),this.helper&&this.$helper.remove(),!1},d.on_select_start=function(i){return this.disabled||this.ignore_drag(i)?undefined:!1},d.enable=function(){this.disabled=!1},d.disable=function(){this.disabled=!0},d.destroy=function(){this.disable(),this.$container.off(".gridster-draggable"),this.$body.off(".gridster-draggable"),i(t).off(".gridster-draggable"),i.removeData(this.$container,"drag")},d.ignore_drag=function(t){return 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r={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(i,t){return{col:t.col,row:t.row,size_x:t.size_x,size_y:t.size_y}},collision:{},draggable:{items:".gs-w",distance:4},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0]}};s.generated_stylesheets=[];var o=s.prototype;o.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(),i(t).bind("resize.gridster",throttle(i.proxy(this.recalculate_faux_grid,this),200))},o.disable=function(){return 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r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];i.each(o.cols,function(t,e){-1===i.inArray(e,a.cols)&&n.push(e)});var h=[];i.each(a.cols,function(t,e){-1===i.inArray(e,o.cols)&&h.push(e)});var _=[];i.each(o.rows,function(t,e){-1===i.inArray(e,a.rows)&&_.push(e)});var d=[];if(i.each(a.rows,function(t,e){-1===i.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),t];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,t];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,t),t.removeClass("player-revert"),t.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),t.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),t];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,t];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(t),this},o.empty_cells=function(t,e,s,r,o){var a=this.widgets_below({col:t,row:e-r,size_x:s,size_y:r});return a.not(o).each(i.proxy(function(t,s){var o=i(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(i(s),a)}},this)),this.set_dom_grid_height(),this},o.remove_empty_cells=function(t,e,s,r,o){var a=this.widgets_below({col:t,row:e,size_x:s,size_y:r});return a.not(o).each(i.proxy(function(t,e){this.move_widget_up(i(e),r)},this)),this.set_dom_grid_height(),this},o.next_position=function(i,t){i||(i=1),t||(t=1);for(var e,s=this.gridmap,r=s.length,o=[],a=1;r>a;a++){e=s[a].length;for(var n=1;e>=n;n++){var h=this.can_move_to({size_x:i,size_y:t},a,n);h&&o.push({col:a,row:n,size_y:t,size_x:i})}}return o.length?this.sort_by_row_and_col_asc(o)[0]:!1},o.remove_widget=function(t,e,s){var r=t instanceof i?t:i(t),o=r.coords().grid;i.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(i.proxy(function(){r.remove(),e||a.each(i.proxy(function(t,e){this.move_widget_up(i(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,t)},this)),this},o.remove_all_widgets=function(t){return this.$widgets.each(i.proxy(function(i,e){this.remove_widget(e,!0,t)},this)),this},o.serialize=function(t){t||(t=this.$widgets);var e=[];return t.each(i.proxy(function(t,s){e.push(this.options.serialize_params(i(s),i(s).coords().grid))},this)),e},o.serialize_changed=function(){return this.serialize(this.$changed)},o.register_widget=function(t){var e={col:parseInt(t.attr("data-col"),10),row:parseInt(t.attr("data-row"),10),size_x:parseInt(t.attr("data-sizex"),10),size_y:parseInt(t.attr("data-sizey"),10),max_size_x:parseInt(t.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(t.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(t.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(t.attr("data-min-sizey"),10)||!1,el:t};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:e.size_x,size_y:e.size_y},e.col,e.row)&&(i.extend(e,this.next_position(e.size_x,e.size_y)),t.attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y})),t.data("coords",t.coords()),t.data("coords").grid=e,this.add_to_gridmap(e,t),this.options.resize.enabled&&this.add_resize_handle(t),this},o.update_widget_position=function(i,t){return this.for_each_cell_occupied(i,function(i,e){return this.gridmap[i]?(this.gridmap[i][e]=t,undefined):this}),this},o.remove_from_gridmap=function(i){return this.update_widget_position(i,!1)},o.add_to_gridmap=function(t,e){if(this.update_widget_position(t,e||t.el),t.el){var s=this.widgets_below(t.el);s.each(i.proxy(function(t,e){this.move_widget_up(i(e))},this))}},o.draggable=function(){var t=this,e=i.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.container_width,limit:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON","."+this.options.resize.handle_class],start:function(e,s){t.$widgets.filter(".player-revert").removeClass("player-revert"),t.$player=i(this),t.$helper=i(s.$helper),t.helper=!t.$helper.is(t.$player),t.on_start_drag.call(t,e,s),t.$el.trigger("gridster:dragstart")},stop:function(i,e){t.on_stop_drag.call(t,i,e),t.$el.trigger("gridster:dragstop")},drag:throttle(function(i,e){t.on_drag.call(t,i,e),t.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},o.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:i.proxy(this.on_start_resize,this),stop:i.proxy(function(t,e){delay(i.proxy(function(){this.on_stop_resize(t,e)},this),120)},this),drag:throttle(i.proxy(this.on_resize,this),60)}),this},o.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var t=this.options.resize.axes,e='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=i.map(t,function(i){return e.replace("{type}",i)}).join(""),this},o.on_start_drag=function(t,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=i.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.highest_col+1);var s=this.cols-this.highest_col;this.player_grid_data.size_x>s&&this.add_faux_cols(this.player_grid_data.size_x-s);var r=this.faux_grid,o=this.$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.$helper.collision(r,this.options.collision),this.$preview_holder=i("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:o.width,height:o.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,t,e)},o.on_drag=function(i,t){if(null===this.$player)return!1;var e={left:t.position.left+this.baseX,top:t.position.top+this.baseY};if(this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s===this.highest_col&&(this.cols>s&&this.set_dom_grid_width(s+1),this.highest_col=s+1,this.drag_api.set_limits(this.container_width))}this.helper&&this.$player&&this.$player.css({left:t.position.left,top:t.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,i,t)},o.on_stop_drag=function(i,t){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),t.position.left=t.position.left+this.baseX,t.position.top=t.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(t.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,i,t),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width)},o.on_start_resize=function(t,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=i("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,t,e,this.$resized_widget)},o.on_stop_resize=function(t,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(i.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""})},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width),this.options.resize.stop&&this.options.resize.stop.call(this,t,e,this.$resized_widget)},o.on_resize=function(i,t){var e=t.pointer.diff_left,s=t.pointer.diff_top,r=this.options.widget_base_dimensions[0],o=this.options.widget_base_dimensions[1],a=1/0,n=1/0,h=Math.ceil(e/(this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0])-.2),_=Math.ceil(s/(this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1])-.2),d=Math.max(1,this.resize_initial_sizex+h),l=Math.max(1,this.resize_initial_sizey+_);if(d=Math.max(Math.min(d,this.resize_max_size_x),this.resize_min_size_x),a=this.resize_max_size_x*r+2*(d-1)*this.options.widget_margins[0],min_width=this.resize_min_size_x*r+2*(d-1)*this.options.widget_margins[0],l=Math.max(Math.min(l,this.resize_max_size_y),this.resize_min_size_y),n=this.resize_max_size_y*o+2*(l-1)*this.options.widget_margins[1],min_height=this.resize_min_size_y*o+2*(l-1)*this.options.widget_margins[1],this.resize_dir.right?l=this.resize_initial_sizey:this.resize_dir.bottom&&(d=this.resize_initial_sizex),this.options.autogrow_cols){var c=this.resize_initial_col+d-1;this.options.autogrow_cols&&c>=this.resize_initial_last_col&&(this.set_dom_grid_width(c+1),c>this.cols&&this.add_faux_cols(c-this.cols))}var p={};!this.resize_dir.bottom&&(p.width=Math.max(Math.min(this.resize_initial_width+e,a),min_width)),!this.resize_dir.right&&(p.height=Math.max(Math.min(this.resize_initial_height+s,n),min_height)),this.$resized_widget.css(p),(d!==this.resize_last_sizex||l!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,d,l),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":d,"data-sizey":l})),this.options.resize.resize&&this.options.resize.resize.call(this,i,t,this.$resized_widget),this.resize_last_sizex=d,this.resize_last_sizey=l},o.on_overlapped_column_change=function(t,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===i.inArray(r[s],this.last_cols)&&(t||i.noop).call(this,r[s]);for(s=0;o>s;s++)-1===i.inArray(this.last_cols[s],r)&&(e||i.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},o.on_overlapped_row_change=function(t,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===i.inArray(r[s],this.last_rows)&&(t||i.noop).call(this,r[s]);for(s=0;o>s;s++)-1===i.inArray(this.last_rows[s],r)&&(e||i.noop).call(this,this.last_rows[s]);this.last_rows=r},o.set_player=function(i,t,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:i}:s.colliders_data[0].el.data,o=r.col,a=t||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},o.widgets_constraints=function(t){var e,s=i([]),r=[],o=[];return t.each(i.proxy(function(t,e){var a=i(e),n=a.coords().grid;this.can_go_widget_up(n)?(s=s.add(a),r.push(n)):o.push(n)},this)),e=t.not(s),{can_go_up:this.sort_by_row_asc(r),can_not_go_up:this.sort_by_row_desc(o)}},o.sort_by_row_asc=function(t){return t=t.sort(function(t,e){return t.row||(t=i(t).coords().grid,e=i(e).coords().grid),t.row>e.row?1:-1})},o.sort_by_row_and_col_asc=function(i){return i=i.sort(function(i,t){return i.row>t.row||i.row===t.row&&i.col>t.col?1:-1})},o.sort_by_col_asc=function(i){return i=i.sort(function(i,t){return i.col>t.col?1:-1})},o.sort_by_row_desc=function(i){return i=i.sort(function(i,t){return i.row+i.size_y<t.row+t.size_y?1:-1})},o.manage_movements=function(t,e,s){return i.each(t,i.proxy(function(i,t){var r=t,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},o.is_player=function(i,t){if(t&&!this.gridmap[i])return!1;var e=t?this.gridmap[i][t]:i;return e&&(e.is(this.$player)||e.is(this.$helper))},o.is_player_in=function(t,e){var s=this.cells_occupied_by_player||{};return i.inArray(t,s.cols)>=0&&i.inArray(e,s.rows)>=0},o.is_placeholder_in=function(t,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(t)&&i.inArray(e,s.rows)>=0},o.is_placeholder_in_col=function(t){var e=this.cells_occupied_by_placeholder||[];return i.inArray(t,e.cols)>=0},o.is_empty=function(i,t){return this.gridmap[i]!==undefined?this.gridmap[i][t]!==undefined&&this.gridmap[i][t]===!1?!0:!1:!0},o.is_occupied=function(i,t){return this.gridmap[i]?this.gridmap[i][t]?!0:!1:!1},o.is_widget=function(i,t){var e=this.gridmap[i];return e?(e=e[t],e?e:!1):!1},o.is_widget_under_player=function(i,t){return this.is_widget(i,t)?this.is_player_in(i,t):!1},o.get_widgets_under_player=function(t){t||(t=this.cells_occupied_by_player||{cols:[],rows:[]});var e=i([]);return i.each(t.cols,i.proxy(function(s,r){i.each(t.rows,i.proxy(function(i,t){this.is_widget(r,t)&&(e=e.add(this.gridmap[r][t]))},this))},this)),e},o.set_placeholder=function(t,e){var s=i.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=t+s.size_x-1;o>this.cols&&(t-=o-t);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==t;this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":t}),(a||n)&&r.each(i.proxy(function(e,r){this.move_widget_up(i(r),this.placeholder_grid_data.col-t+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(i.proxy(function(t,r){var o=i(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},o.can_go_player_up=function(i){var t=i.row+i.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(i,function(i){var a=this.gridmap[i],n=t+1;for(s[i]=[];--n>0&&(this.is_empty(i,n)||this.is_player(i,n)||this.is_widget(i,n)&&a[n].is(o));)s[i].push(n),r=r>n?n:r;return 0===s[i].length?(e=!1,!0):(s[i].sort(function(i,t){return i-t}),undefined)}),e?this.get_valid_rows(i,s,r):!1},o.can_go_widget_up=function(i){var t=i.row+i.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(i,function(o){var a=this.gridmap[o];s[o]=[];for(var n=t+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(i.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(i,t){return i-t}),undefined)}),e?this.get_valid_rows(i,s,r):!1},o.get_valid_rows=function(t,e,s){for(var r=t.row,o=t.row+t.size_y-1,a=t.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(i.each(e,function(t,e){i.isArray(e)&&-1===i.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},o.get_consecutive_numbers_index=function(i,t){for(var e=i.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||i[a]===o+1){if(s.push(a),s.length===t)break;r=!1}else s=[],r=!0;o=i[a]}return s.length>=t?i[s[0]]:!1},o.get_widgets_overlapped=function(){var t=i([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),i.each(this.cells_occupied_by_player.cols,i.proxy(function(r,o){i.each(s,i.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===i.inArray(a,e)&&(t=t.add(a),e.push(a))},this))},this)),t},o.on_start_overlapping_column=function(i){this.set_player(i,!1)},o.on_start_overlapping_row=function(i){this.set_player(!1,i)},o.on_stop_overlapping_column=function(i){this.set_player(i,!1);var t=this;this.for_each_widget_below(i,this.cells_occupied_by_player.rows[0],function(){t.move_widget_up(this,t.player_grid_data.size_y)})},o.on_stop_overlapping_row=function(i){this.set_player(!1,i);for(var t=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],i,function(){t.move_widget_up(this,t.player_grid_data.size_y)})},o.move_widget_to=function(t,e){var s=this,r=t.coords().grid;e-r.row;var o=this.widgets_below(t),a=this.can_move_to(r,r.col,e,t);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),t.attr("data-row",e),this.$changed=this.$changed.add(t),o.each(function(t,e){var r=i(e),o=r.coords().grid,a=s.can_go_widget_up(o);
+a&&a!==o.row&&s.move_widget_to(r,a)}),this)},o.move_widget_up=function(t,e){var s=t.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(t)?(this.for_each_column_occupied(s,function(s){if(-1===i.inArray(t,o)){var a=t.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(t);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),t.attr("data-row",a.row),this.$changed=this.$changed.add(t),o.push(t),h.each(i.proxy(function(t,s){this.move_widget_up(i(s),e)},this))}}),undefined):!1},o.move_widget_down=function(t,e){var s,r,o,a;if(0>=e)return!1;if(s=t.coords().grid,r=s.row,o=[],a=e,!t)return!1;if(-1===i.inArray(t,o)){var n=t.coords().grid,h=r+e,_=this.widgets_below(t);this.remove_from_gridmap(n),_.each(i.proxy(function(t,e){var s=i(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,t),t.attr("data-row",n.row),this.$changed=this.$changed.add(t),o.push(t)}},o.can_go_up_to_row=function(t,e,s){var r,o=this.gridmap,a=!0,n=[],h=t.row;if(this.for_each_column_occupied(t,function(i){for(o[i],n[i]=[],r=h;r--&&this.is_empty(i,r)&&!this.is_placeholder_in(i,r);)n[i].push(r);return n[i].length?undefined:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===i.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},o.displacement_diff=function(i,t,e){var s=i.row,r=[],o=t.row+t.size_y;this.for_each_column_occupied(i,function(i){for(var t=0,e=o;s>e;e++)this.is_empty(i,e)&&(t+=1);r.push(t)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},o.widgets_below=function(t){var e=i.isPlainObject(t)?t:t.coords().grid,s=this;this.gridmap;var r=e.row+e.size_y-1,o=i([]);return this.for_each_column_occupied(e,function(t){s.for_each_widget_below(t,r,function(){return s.is_player(this)||-1!==i.inArray(this,o)?undefined:(o=o.add(this),!0)})}),this.sort_by_row_asc(o)},o.set_cells_player_occupies=function(i,t){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=t,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},o.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},o.can_go_up=function(i){var t=i.coords().grid,e=t.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(t,function(i){return this.is_widget(i,s),this.is_occupied(i,s)||this.is_player(i,s)||this.is_placeholder_in(i,s)||this.is_player_in(i,s)?(r=!1,!0):undefined}),r)},o.can_move_to=function(i,t,e,s){this.gridmap;var r=i.el,o={size_y:i.size_y,size_x:i.size_x,col:t,row:e},a=!0,n=t+i.size_x-1;return n>this.cols?!1:s&&e+i.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(t,e){var s=this.is_widget(t,e);!s||i.el&&!s.is(r)||(a=!1)}),a)},o.get_targeted_columns=function(i){for(var t=(i||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=i;t>=s;s++)e.push(s);return e},o.get_targeted_rows=function(i){for(var t=(i||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=i;t>=s;s++)e.push(s);return e},o.get_cells_occupied=function(t){var e,s={cols:[],rows:[]};for(arguments[1]instanceof i&&(t=arguments[1].coords().grid),e=0;t.size_x>e;e++){var r=t.col+e;s.cols.push(r)}for(e=0;t.size_y>e;e++){var o=t.row+e;s.rows.push(o)}return s},o.for_each_cell_occupied=function(i,t){return this.for_each_column_occupied(i,function(e){this.for_each_row_occupied(i,function(i){t.call(this,e,i)})}),this},o.for_each_column_occupied=function(i,t){for(var e=0;i.size_x>e;e++){var s=i.col+e;t.call(this,s,i)}},o.for_each_row_occupied=function(i,t){for(var e=0;i.size_y>e;e++){var s=i.row+e;t.call(this,s,i)}},o._traversing_widgets=function(t,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=t+"/"+e;if(arguments[2]instanceof i){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===i.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==i.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},o.for_each_widget_above=function(i,t,e){return this._traversing_widgets("for_each","above",i,t,e),this},o.for_each_widget_below=function(i,t,e){return this._traversing_widgets("for_each","below",i,t,e),this},o.get_highest_occupied_cell=function(){for(var i,t=this.gridmap,e=t[1].length,s=[],r=[],o=t.length-1;o>=1;o--)for(i=e-1;i>=1;i--)if(this.is_widget(o,i)){s.push(i),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},o.get_widgets_from=function(t,e){this.gridmap;var s=i();return t&&(s=s.add(this.$widgets.filter(function(){var e=i(this).attr("data-col");return e===t||e>t}))),e&&(s=s.add(this.$widgets.filter(function(){var t=i(this).attr("data-row");return t===e||t>e}))),s},o.set_dom_grid_height=function(i){if(i===undefined){var t=this.get_highest_occupied_cell().row;i=t*this.min_widget_height}return this.container_height=i,this.$el.css("height",this.container_height),this},o.set_dom_grid_width=function(i){return i===undefined&&(i=this.get_highest_occupied_cell().col),i=Math.min(this.options.max_cols,Math.max(i,this.options.min_cols)),this.container_width=i*this.min_widget_width,this.$el.css("width",this.container_width),this},o.generate_stylesheet=function(t){var e,r="",o=this.options.max_size_x||this.cols;t||(t={}),t.cols||(t.cols=this.cols),t.rows||(t.rows=this.rows),t.namespace||(t.namespace=this.options.namespace),t.widget_base_dimensions||(t.widget_base_dimensions=this.options.widget_base_dimensions),t.widget_margins||(t.widget_margins=this.options.widget_margins),t.min_widget_width=2*t.widget_margins[0]+t.widget_base_dimensions[0],t.min_widget_height=2*t.widget_margins[1]+t.widget_base_dimensions[1];var a=i.param(t);if(i.inArray(a,s.generated_stylesheets)>=0)return!1;for(s.generated_stylesheets.push(a),e=t.cols;e>=0;e--)r+=t.namespace+' [data-col="'+(e+1)+'"] { left:'+(e*t.widget_base_dimensions[0]+e*t.widget_margins[0]+(e+1)*t.widget_margins[0])+"px; }\n";for(e=t.rows;e>=0;e--)r+=t.namespace+' [data-row="'+(e+1)+'"] { top:'+(e*t.widget_base_dimensions[1]+e*t.widget_margins[1]+(e+1)*t.widget_margins[1])+"px; }\n";for(var n=1;t.rows>=n;n++)r+=t.namespace+' [data-sizey="'+n+'"] { height:'+(n*t.widget_base_dimensions[1]+(n-1)*2*t.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=t.namespace+' [data-sizex="'+h+'"] { width:'+(h*t.widget_base_dimensions[0]+(h-1)*2*t.widget_margins[0])+"px; }\n";return this.add_style_tag(r)},o.add_style_tag=function(i){var t=e,s=t.createElement("style");return t.getElementsByTagName("head")[0].appendChild(s),s.setAttribute("type","text/css"),s.styleSheet?s.styleSheet.cssText=i:s.appendChild(e.createTextNode(i)),this.$style_tags=this.$style_tags.add(s),this},o.remove_style_tags=function(){this.$style_tags.remove()},o.generate_faux_grid=function(i,t){this.faux_grid=[],this.gridmap=[];var e,s;for(e=t;e>0;e--)for(this.gridmap[e]=[],s=i;s>0;s--)this.add_faux_cell(s,e);return this},o.add_faux_cell=function(t,e){var s=i({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(t-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:t,original_col:e,original_row:t}).coords();return i.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][t]=!1,this.faux_grid.push(s),this},o.add_faux_rows=function(i){for(var t=this.rows,e=t+(i||1),s=e;s>t;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.add_faux_cols=function(i){var t=this.cols,e=t+(i||1);e=Math.min(e,this.options.max_cols);for(var s=t+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.recalculate_faux_grid=function(){var e=this.$wrapper.width();return this.baseX=(i(t).width()-e)/2,this.baseY=this.$wrapper.offset().top,i.each(this.faux_grid,i.proxy(function(i,t){this.faux_grid[i]=t.update({left:this.baseX+(t.data.col-1)*this.min_widget_width,top:this.baseY+(t.data.row-1)*this.min_widget_height})},this)),this},o.get_widgets_from_DOM=function(){return this.$widgets.each(i.proxy(function(t,e){this.register_widget(i(e))},this)),this},o.generate_grid_and_stylesheet=function(){var e=this.$wrapper.width(),s=this.options.max_cols,r=Math.floor(e/this.min_widget_width)+this.options.extra_cols,o=this.$widgets.map(function(){return i(this).attr("data-col")}).get();o.length||(o=[0]);var a=Math.max.apply(Math,o);this.cols=Math.max(a,r,this.options.min_cols),1/0!==s&&s>=a&&this.cols>s&&(this.cols=s);var n=this.options.extra_rows;return this.$widgets.each(function(t,e){n+=+i(e).attr("data-sizey")}),this.rows=Math.max(n,this.options.min_rows),this.baseX=(i(t).width()-e)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},o.destroy=function(){return i(t).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),this.$el.remove(),this},i.fn.gridster=function(t){return this.each(function(){i(this).data("gridster")||i(this).data("gridster",new s(this,t))})},i.Gridster=o}(jQuery,window,document);
\ No newline at end of file
diff --git a/dist/jquery.gridster.with-extras.js b/dist/jquery.gridster.with-extras.js
index bd0fef1bcf..881835ae33 100644
--- a/dist/jquery.gridster.with-extras.js
+++ b/dist/jquery.gridster.with-extras.js
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.3.0 - 2013-11-19
+/*! gridster.js - v0.4.0 - 2014-02-07
 * http://gridster.net/
-* Copyright (c) 2013 ducksboard; Licensed MIT */
+* Copyright (c) 2014 ducksboard; Licensed MIT */
 
 ;(function($, window, document, undefined){
     /**
@@ -324,8 +324,33 @@
         return setTimeout(function(){ return func.apply(null, args); }, wait);
     };
 
-
-    /* Debounce and throttle functions taken from underscore.js */
+    /* Debounce and throttle functions taken from underscore.js
+     *
+     * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and 
+     * Investigative Reporters & Editors
+     *
+     * Permission is hereby granted, free of charge, to any person
+     * obtaining a copy of this software and associated documentation
+     * files (the "Software"), to deal in the Software without
+     * restriction, including without limitation the rights to use,
+     * copy, modify, merge, publish, distribute, sublicense, and/or sell
+     * copies of the Software, and to permit persons to whom the
+     * Software is furnished to do so, subject to the following
+     * conditions:
+     * 
+     * The above copyright notice and this permission notice shall be
+     * included in all copies or substantial portions of the Software.
+     *
+     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+     * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+     * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+     * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+     * OTHER DEALINGS IN THE SOFTWARE.
+     */
+     
     window.debounce = function(func, wait, immediate) {
         var timeout;
         return function() {
@@ -340,7 +365,6 @@
         };
     };
 
-
     window.throttle = function(func, wait) {
         var context, args, timeout, throttling, more, result;
         var whenDone = debounce(
@@ -787,7 +811,7 @@
         },
         resize: {
             enabled: false,
-            axes: ['x', 'y', 'both'],
+            axes: ['both'],
             handle_append_to: '',
             handle_class: 'gs-resize-handle',
             max_size: [Infinity, Infinity]
@@ -852,6 +876,9 @@
     *       @param {Array} [options.resize.max_size] Limit widget dimensions
     *        when resizing. Array values should be integers:
     *        `[max_cols_occupied, max_rows_occupied]`
+    *       @param {Array} [options.resize.min_size] Limit widget dimensions
+    *        when resizing. Array values should be integers:
+    *        `[min_cols_occupied, min_rows_occupied]`
     *       @param {Function} [options.resize.start] Function executed
     *        when resizing starts.
     *       @param {Function} [otions.resize.resize] Function executed
@@ -862,7 +889,7 @@
     * @constructor
     */
     function Gridster(el, options) {
-        this.options = $.extend(true, defaults, options);
+        this.options = $.extend(true, {}, defaults, options);
         this.$el = $(el);
         this.$wrapper = this.$el.parent();
         this.$widgets = this.$el.children(
@@ -962,10 +989,11 @@
     * @param {Number} [col] The column the widget should start in.
     * @param {Number} [row] The row the widget should start in.
     * @param {Array} [max_size] max_size Maximun size (in units) for width and height.
+    * @param {Array} [min_size] min_size Minimum size (in units) for width and height.
     * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing.
     *  the widget that was just created.
     */
-    fn.add_widget = function(html, size_x, size_y, col, row, max_size) {
+    fn.add_widget = function(html, size_x, size_y, col, row, max_size, min_size) {
         var pos;
         size_x || (size_x = 1);
         size_y || (size_y = 1);
@@ -999,12 +1027,39 @@
             this.set_widget_max_size($w, max_size);
         }
 
+        if (min_size) {
+            this.set_widget_min_size($w, min_size);
+        }
+
         this.set_dom_grid_height();
 
         return $w.fadeIn();
     };
 
 
+    /**
+    * Change widget size limits.
+    *
+    * @method set_widget_min_size
+    * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement
+    *  representing the widget or an index representing the desired widget.
+    * @param {Array} min_size Minimum size (in units) for width and height.
+    * @return {HTMLElement} Returns instance of gridster Class.
+    */
+    fn.set_widget_min_size = function($widget, min_size) {
+        $widget = typeof $widget === 'number' ?
+            this.$widgets.eq($widget) : $widget;
+
+        if (!$widget.length) { return this; }
+
+        var wgd = $widget.data('coords').grid;
+        wgd.min_size_x = min_size[0];
+        wgd.min_size_y = min_size[1];
+
+        return this;
+    };
+
+
     /**
     * Change widget size limits.
     *
@@ -1432,6 +1487,8 @@
             'size_y': parseInt($el.attr('data-sizey'), 10),
             'max_size_x': parseInt($el.attr('data-max-sizex'), 10) || false,
             'max_size_y': parseInt($el.attr('data-max-sizey'), 10) || false,
+            'min_size_x': parseInt($el.attr('data-min-sizex'), 10) || false,
+            'min_size_y': parseInt($el.attr('data-min-sizey'), 10) || false,
             'el': $el
         };
 
@@ -1812,6 +1869,12 @@
             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.resize_dir = {
@@ -1904,14 +1967,17 @@
         var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x);
         var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y);
 
-        size_x = Math.min(size_x, this.resize_max_size_x);
+        size_x = Math.max(Math.min(size_x, this.resize_max_size_x), this.resize_min_size_x);
         max_width = (this.resize_max_size_x * wbd_x) +
             ((size_x - 1) * this.options.widget_margins[0] * 2);
+        min_width = (this.resize_min_size_x * wbd_x) +
+            ((size_x - 1) * this.options.widget_margins[0] * 2);
 
-        size_y = Math.min(size_y, this.resize_max_size_y);
+        size_y = Math.max(Math.min(size_y, this.resize_max_size_y), this.resize_min_size_y);
         max_height = (this.resize_max_size_y * wbd_y) +
             ((size_y - 1) * this.options.widget_margins[1] * 2);
-
+        min_height = (this.resize_min_size_y * wbd_y) +
+          ((size_y - 1) * this.options.widget_margins[1] * 2);
 
         if (this.resize_dir.right) {
             size_y = this.resize_initial_sizey;
@@ -1934,10 +2000,10 @@
 
 
         var css_props = {};
-        !this.resize_dir.bottom && (css_props.width = Math.min(
-            this.resize_initial_width + rel_x, max_width));
-        !this.resize_dir.right && (css_props.height = Math.min(
-            this.resize_initial_height + rel_y, max_height));
+        !this.resize_dir.bottom && (css_props.width = Math.max(Math.min(
+            this.resize_initial_width + rel_x, max_width), min_width));
+        !this.resize_dir.right && (css_props.height = Math.max(Math.min(
+            this.resize_initial_height + rel_y, max_height), min_height));
 
         this.$resized_widget.css(css_props);
 
diff --git a/dist/jquery.gridster.with-extras.min.js b/dist/jquery.gridster.with-extras.min.js
index 768e5a3b49..b042055cf0 100644
--- a/dist/jquery.gridster.with-extras.min.js
+++ b/dist/jquery.gridster.with-extras.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.3.0 - 2013-11-19 - * http://gridster.net/ - Copyright (c) 2013 ducksboard; Licensed MIT */ (function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t}})(jQuery,window,document),function(t,i,e){function s(i,e,s){this.options=t.extend(r,s),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],"string"==typeof e||e instanceof t?this.$colliders=t(e,this.options.colliders_context).not(this.$element):this.colliders=t(e),this.init()}var r={colliders_context:e.body},o=s.prototype;o.init=function(){this.find_collisions()},o.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},o.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1<i.y2&&(e="N"),t.y2>i.y1&&t.y2<i.cy&&(e="S"),t.x1>i.cx&&t.x1<i.x2&&(s="W"),t.x2>i.x1&&t.x2<i.cx&&(s="E"),e+s||"C"},o.calculate_overlapped_area_coords=function(i,e){var s=Math.max(i.x1,e.x1),r=Math.max(i.y1,e.y1),o=Math.min(i.x2,e.x2),a=Math.min(i.y2,e.y2);return t({left:s,top:r,width:o-s,height:a-r}).coords().get()},o.calculate_overlapped_area=function(t){return t.width*t.height},o.manage_colliders_start_stop=function(i,e,s){for(var r=this.last_colliders_coords,o=0,a=r.length;a>o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var n=0,h=i.length;h>n;n++)-1===t.inArray(i[n],r)&&s.call(this,i[n])},o.find_collisions=function(i){for(var e=this,s=[],r=[],o=this.colliders||this.$colliders,a=o.length,n=e.$element.coords().update(i||!1).get();a--;){var h=e.$colliders?t(o[a]):o[a],_=h.isCoords?h:h.coords(),d=_.get(),l=e.overlaps(n,d);if(l){var c=e.detect_overlapping_region(n,d);if("C"===c){var p=e.calculate_overlapped_area_coords(n,d),g=e.calculate_overlapped_area(p),u={area:g,area_coords:p,region:c,coords:d,player_coords:n,el:h};e.options.on_overlap&&e.options.on_overlap.call(this,u),s.push(_),r.push(u)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(s,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=s,r},o.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1<i.coords.y1||t.coords.x1<i.coords.x1?-1:1:t.area<i.area?1:1}),i},t.fn.collision=function(t,i){return new s(this,t,i)}}(jQuery,window,document),function(t){t.delay=function(t,i){var e=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return t.apply(null,e)},i)},t.debounce=function(t,i,e){var s;return function(){var r=this,o=arguments,a=function(){s=null,e||t.apply(r,o)};e&&!s&&t.apply(r,o),clearTimeout(s),s=setTimeout(a,i)}},t.throttle=function(t,i){var e,s,r,o,a,n,h=debounce(function(){a=o=!1},i);return function(){e=this,s=arguments;var _=function(){r=null,a&&t.apply(e,s),h()};return r||(r=setTimeout(_,i)),o?a=!0:n=t.apply(e,s),h(),o=!0,n}}}(window),function(t,i,e){function s(i,s){this.options=t.extend({},r,s),this.$body=t(e.body),this.$container=t(i),this.$dragitems=t(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.init()}var r={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},o=t(i),a={x:"left",y:"top"},n=!!("ontouchstart"in i),h={start:n?"touchstart.gridster-draggable":"mousedown.gridster-draggable",move:n?"touchmove.gridster-draggable":"mousemove.gridster-draggable",end:n?"touchend.gridster-draggable":"mouseup.gridster-draggable"},_=function(t){return t.charAt(0).toUpperCase()+t.slice(1)},d=s.prototype;d.init=function(){this.calculate_dimensions(),this.$container.css("position","relative"),this.disabled=!1,this.events(),t(i).bind("resize.gridster-draggable",throttle(t.proxy(this.calculate_dimensions,this),200))},d.events=function(){this.$container.on("selectstart.gridster-draggable",t.proxy(this.on_select_start,this)),this.$container.on(h.start,this.options.items,t.proxy(this.drag_handler,this)),this.$body.on(h.end,t.proxy(function(t){this.is_dragging=!1,this.disabled||(this.$body.off(h.move),this.drag_start&&this.on_dragstop(t))},this))},d.get_actual_pos=function(t){var i=t.position();return i},d.get_mouse_pos=function(t){if(n){var i=t.originalEvent;t=i.touches.length?i.touches[0]:i.changedTouches[0]}return{left:t.clientX,top:t.clientY}},d.get_offset=function(t){t.preventDefault();var i=this.get_mouse_pos(t),e=Math.round(i.left-this.mouse_init_pos.left),s=Math.round(i.top-this.mouse_init_pos.top),r=Math.round(this.el_init_offset.left+e-this.baseX+this.scroll_offset_x),o=Math.round(this.el_init_offset.top+s-this.baseY+this.scroll_offset_y);return this.options.limit&&(r>this.player_max_left?r=this.player_max_left:this.player_min_left>r&&(r=this.player_min_left)),{position:{left:r,top:o},pointer:{left:i.left,top:i.top,diff_left:e+this.scroll_offset_x,diff_top:s+this.scroll_offset_y}}},d.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},d.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},d.scroll_in=function(i,s){var r,n=a[i],h=50,d=30,l="x"===i,c=l?this.window_width:this.window_height,p=l?t(e).width():t(e).height(),g=l?this.$player.width():this.$player.height(),u=o["scroll"+_(n)](),f=u,w=f+c,m=w-h,y=f+h,v=f+s.pointer[n],z=p-c+g;return v>=m&&(r=u+d,z>r&&(o["scroll"+_(n)](r),this["scroll_offset_"+i]+=d)),y>=v&&(r=u-d,r>0&&(o["scroll"+_(n)](r),this["scroll_offset_"+i]-=d)),this},d.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},d.calculate_dimensions=function(){this.window_height=o.height(),this.window_width=o.width()},d.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||n)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$body.on(h.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),n?undefined:!1}},d.on_dragstart=function(t){if(t.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var i=this.$container.offset();return this.baseX=Math.round(i.left),this.baseY=Math.round(i.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,t,this.get_drag_data(t)),!1},d.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},d.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.$helper.remove(),!1},d.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?undefined:!1},d.enable=function(){this.disabled=!1},d.disable=function(){this.disabled=!0},d.destroy=function(){this.disable(),this.$container.off(".gridster-draggable"),this.$body.off(".gridster-draggable"),t(i).off(".gridster-draggable"),t.removeData(this.$container,"drag")},d.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new s(this,t)}}(jQuery,window,document),function(t,i,e){function s(i,e){this.options=t.extend(!0,r,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.$style_tags=t([]),this.init()}var r={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4},resize:{enabled:!1,axes:["x","y","both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0]}};s.generated_stylesheets=[];var o=s.prototype;o.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),t(i).bind("resize.gridster",throttle(t.proxy(this.recalculate_faux_grid,this),200))},o.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},o.enable=function(){return this.drag_api.enable(),this},o.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},o.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},o.add_widget=function(i,e,s,r,o,a){var n;e||(e=1),s||(s=1),!r&!o?n=this.next_position(e,s):(n={col:r,row:o},this.empty_cells(r,o,e,s));var h=t(i).attr({"data-col":n.col,"data-row":n.row,"data-sizex":e,"data-sizey":s}).addClass("gs-w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(h),this.register_widget(h),this.add_faux_rows(n.size_y),a&&this.set_widget_max_size(h,a),this.set_dom_grid_height(),h.fadeIn()},o.set_widget_max_size=function(t,i){if(t="number"==typeof t?this.$widgets.eq(t):t,!t.length)return this;var e=t.data("coords").grid;return e.max_size_x=i[0],e.max_size_y=i[1],this},o.add_resize_handle=function(i){var e=this.options.resize.handle_append_to;return t(this.resize_handle_tpl).appendTo(e?t(e,i):i),this},o.resize_widget=function(t,i,e,s){var r=t.coords().grid,o=r.col,a=this.options.max_cols,n=r.size_y,h=r.col,_=h;i||(i=r.size_x),e||(e=r.size_y),1/0!==a&&(i=Math.min(i,a-o+1)),e>n&&this.add_faux_rows(Math.max(e-n,0));var d=o+i-1;d>this.cols&&this.add_faux_cols(d-this.cols);var l={col:_,row:r.row,size_x:i,size_y:e};return this.mutate_widget_in_gridmap(t,r,l),this.set_dom_grid_height(),this.set_dom_grid_width(),s&&s.call(this,l.size_x,l.size_y),t},o.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&n.push(e)});var h=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&h.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},o.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(t(s),a)}},this)),this.set_dom_grid_height(),this},o.remove_empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,e){this.move_widget_up(t(e),r)},this)),this.set_dom_grid_height(),this},o.next_position=function(t,i){t||(t=1),i||(i=1);for(var e,s=this.gridmap,r=s.length,o=[],a=1;r>a;a++){e=s[a].length;for(var n=1;e>=n;n++){var h=this.can_move_to({size_x:t,size_y:i},a,n);h&&o.push({col:a,row:n,size_y:i,size_x:t})}}return o.length?this.sort_by_row_and_col_asc(o)[0]:!1},o.remove_widget=function(i,e,s){var r=i instanceof t?i:t(i),o=r.coords().grid;t.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},o.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},o.serialize=function(i){i||(i=this.$widgets);var e=[];return i.each(t.proxy(function(i,s){e.push(this.options.serialize_params(t(s),t(s).coords().grid))},this)),e},o.serialize_changed=function(){return this.serialize(this.$changed)},o.register_widget=function(i){var e={col:parseInt(i.attr("data-col"),10),row:parseInt(i.attr("data-row"),10),size_x:parseInt(i.attr("data-sizex"),10),size_y:parseInt(i.attr("data-sizey"),10),max_size_x:parseInt(i.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(i.attr("data-max-sizey"),10)||!1,el:i};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:e.size_x,size_y:e.size_y},e.col,e.row)&&(t.extend(e,this.next_position(e.size_x,e.size_y)),i.attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y})),i.data("coords",i.coords()),i.data("coords").grid=e,this.add_to_gridmap(e,i),this.options.resize.enabled&&this.add_resize_handle(i),this},o.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,undefined):this}),this},o.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},o.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},o.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.container_width,limit:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON","."+this.options.resize.handle_class],start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},o.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},o.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=t.map(i,function(t){return e.replace("{type}",t)}).join(""),this},o.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.highest_col+1);var s=this.cols-this.highest_col;this.player_grid_data.size_x>s&&this.add_faux_cols(this.player_grid_data.size_x-s);var r=this.faux_grid,o=this.$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.$helper.collision(r,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:o.width,height:o.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},o.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s===this.highest_col&&(this.cols>s&&this.set_dom_grid_width(s+1),this.highest_col=s+1,this.drag_api.set_limits(this.container_width))}this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},o.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width)},o.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget)},o.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""})},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget)},o.on_resize=function(t,i){var e=i.pointer.diff_left,s=i.pointer.diff_top,r=this.options.widget_base_dimensions[0],o=this.options.widget_base_dimensions[1],a=1/0,n=1/0,h=Math.ceil(e/(this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0])-.2),_=Math.ceil(s/(this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1])-.2),d=Math.max(1,this.resize_initial_sizex+h),l=Math.max(1,this.resize_initial_sizey+_);if(d=Math.min(d,this.resize_max_size_x),a=this.resize_max_size_x*r+2*(d-1)*this.options.widget_margins[0],l=Math.min(l,this.resize_max_size_y),n=this.resize_max_size_y*o+2*(l-1)*this.options.widget_margins[1],this.resize_dir.right?l=this.resize_initial_sizey:this.resize_dir.bottom&&(d=this.resize_initial_sizex),this.options.autogrow_cols){var c=this.resize_initial_col+d-1;this.options.autogrow_cols&&c>=this.resize_initial_last_col&&(this.set_dom_grid_width(c+1),c>this.cols&&this.add_faux_cols(c-this.cols))}var p={};!this.resize_dir.bottom&&(p.width=Math.min(this.resize_initial_width+e,a)),!this.resize_dir.right&&(p.height=Math.min(this.resize_initial_height+s,n)),this.$resized_widget.css(p),(d!==this.resize_last_sizex||l!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,d,l),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":d,"data-sizey":l})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.resize_last_sizex=d,this.resize_last_sizey=l},o.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},o.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},o.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},o.widgets_constraints=function(i){var e,s=t([]),r=[],o=[];return i.each(t.proxy(function(i,e){var a=t(e),n=a.coords().grid;this.can_go_widget_up(n)?(s=s.add(a),r.push(n)):o.push(n)},this)),e=i.not(s),{can_go_up:this.sort_by_row_asc(r),can_not_go_up:this.sort_by_row_desc(o)}},o.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},o.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},o.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},o.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_y<i.row+i.size_y?1:-1})},o.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},o.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},o.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},o.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},o.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},o.is_empty=function(t,i){return this.gridmap[t]!==undefined?this.gridmap[t][i]!==undefined&&this.gridmap[t][i]===!1?!0:!1:!0},o.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},o.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},o.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},o.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},o.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||n)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},o.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],n=i+1;for(s[t]=[];--n>0&&(this.is_empty(t,n)||this.is_player(t,n)||this.is_widget(t,n)&&a[n].is(o));)s[t].push(n),r=r>n?n:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i}),undefined)}),e?this.get_valid_rows(t,s,r):!1},o.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var n=i+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(t.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),undefined)}),e?this.get_valid_rows(t,s,r):!1},o.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},o.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},o.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},o.on_start_overlapping_column=function(t){this.set_player(t,!1)},o.on_start_overlapping_row=function(t){this.set_player(!1,t)},o.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},o.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},o.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},o.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(i);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),h.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),undefined):!1},o.move_widget_down=function(i,e){var s,r,o,a;
-if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var n=i.coords().grid,h=r+e,_=this.widgets_below(i);this.remove_from_gridmap(n),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,i),i.attr("data-row",n.row),this.$changed=this.$changed.add(i),o.push(i)}},o.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,n=[],h=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],n[t]=[],r=h;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)n[t].push(r);return n[t].length?undefined:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===t.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},o.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},o.widgets_below=function(i){var e=t.isPlainObject(i)?i:i.coords().grid,s=this;this.gridmap;var r=e.row+e.size_y-1,o=t([]);return this.for_each_column_occupied(e,function(i){s.for_each_widget_below(i,r,function(){return s.is_player(this)||-1!==t.inArray(this,o)?undefined:(o=o.add(this),!0)})}),this.sort_by_row_asc(o)},o.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},o.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},o.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):undefined}),r)},o.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,n=i+t.size_x-1;return n>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},o.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},o.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},o.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},o.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},o.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},o.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},o._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},o.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},o.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},o.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},o.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},o.set_dom_grid_height=function(t){if(t===undefined){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},o.set_dom_grid_width=function(t){return t===undefined&&(t=this.get_highest_occupied_cell().col),t=Math.min(this.options.max_cols,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},o.generate_stylesheet=function(i){var e,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,s.generated_stylesheets)>=0)return!1;for(s.generated_stylesheets.push(a),e=i.cols;e>=0;e--)r+=i.namespace+' [data-col="'+(e+1)+'"] { left:'+(e*i.widget_base_dimensions[0]+e*i.widget_margins[0]+(e+1)*i.widget_margins[0])+"px; }\n";for(e=i.rows;e>=0;e--)r+=i.namespace+' [data-row="'+(e+1)+'"] { top:'+(e*i.widget_base_dimensions[1]+e*i.widget_margins[1]+(e+1)*i.widget_margins[1])+"px; }\n";for(var n=1;i.rows>=n;n++)r+=i.namespace+' [data-sizey="'+n+'"] { height:'+(n*i.widget_base_dimensions[1]+(n-1)*2*i.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=i.namespace+' [data-sizex="'+h+'"] { width:'+(h*i.widget_base_dimensions[0]+(h-1)*2*i.widget_margins[0])+"px; }\n";return this.add_style_tag(r)},o.add_style_tag=function(t){var i=e,s=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(s),s.setAttribute("type","text/css"),s.styleSheet?s.styleSheet.cssText=t:s.appendChild(e.createTextNode(t)),this.$style_tags=this.$style_tags.add(s),this},o.remove_style_tags=function(){this.$style_tags.remove()},o.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},o.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},o.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.recalculate_faux_grid=function(){var e=this.$wrapper.width();return this.baseX=(t(i).width()-e)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},o.get_widgets_from_DOM=function(){return this.$widgets.each(t.proxy(function(i,e){this.register_widget(t(e))},this)),this},o.generate_grid_and_stylesheet=function(){var e=this.$wrapper.width(),s=this.options.max_cols,r=Math.floor(e/this.min_widget_width)+this.options.extra_cols,o=this.$widgets.map(function(){return t(this).attr("data-col")}).get();o.length||(o=[0]);var a=Math.max.apply(Math,o);this.cols=Math.max(a,r,this.options.min_cols),1/0!==s&&s>=a&&this.cols>s&&(this.cols=s);var n=this.options.extra_rows;return this.$widgets.each(function(i,e){n+=+t(e).attr("data-sizey")}),this.rows=Math.max(n,this.options.min_rows),this.baseX=(t(i).width()-e)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},o.destroy=function(){return t(i).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new s(this,i))})},t.Gridster=o}(jQuery,window,document),function(t){var i=t.Gridster;i.widgets_in_col=function(t){if(!this.gridmap[t])return!1;for(var i=this.gridmap[t].length-1;i>=0;i--)if(this.is_widget(t,i)!==!1)return!0;return!1},i.widgets_in_row=function(t){for(var i=this.gridmap.length;i>=1;i--)if(this.is_widget(i,t)!==!1)return!0;return!1},i.widgets_in_range=function(i,e,s,r){var o,a,n,h,_=t([]);for(o=s;o>=i;o--)for(a=r;a>=e;a--)n=this.is_widget(o,a),n!==!1&&(h=n.data("coords").grid,h.col>=i&&s>=h.col&&h.row>=e&&r>=h.row&&(_=_.add(n)));return _},i.get_bottom_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){e&&r>t&&(t=r,i=s)}),{col:i,row:t}},i.get_right_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){return e?(t=r,i=s,!1):undefined}),{col:i,row:t}},i.for_each_cell=function(t,i){i||(i=this.gridmap);var e=i.length,s=i[1].length;t:for(var r=e-1;r>=1;r--)for(var o=s-1;o>=1;o--){var a=i[r]&&i[r][o];if(t){if(t.call(this,a,r,o)===!1)break t}else;}},i.next_position_in_range=function(t,i,e){t||(t=1),i||(i=1);for(var s,r=this.gridmap,o=r.length,a=[],n=1;o>n;n++){s=e||r[n].length;for(var h=1;s>=h;h++){var _=this.can_move_to({size_x:t,size_y:i},n,h,e);_&&a.push({col:n,row:h,size_y:i,size_x:t})}}return a.length>=1?this.sort_by_col_asc(a)[0]:!1},i.closest_to_right=function(t,i){if(!this.gridmap[t])return!1;for(var e=this.gridmap.length-1,s=t;e>=s;s++)if(this.gridmap[s][i])return{col:s,row:i};return!1},i.closest_to_left=function(t,i){if(this.gridmap.length-1,!this.gridmap[t])return!1;for(var e=t;e>=1;e--)if(this.gridmap[e][i])return{col:e,row:i};return!1}}(jQuery,window,document);
\ No newline at end of file
+/*! gridster.js - v0.4.0 - 2014-02-07 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(i){function t(t){return t[0]&&i.isPlainObject(t[0])?this.data=t[0]:this.el=t,this.isCoords=!0,this.coords={},this.init(),this}var e=t.prototype;e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(i,t){var e=this.el;if(e&&!i&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&i&&!t){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(t){if(!t&&!this.el)return this;if(t){var e=i.extend({},this.data,t);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return 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t=i.originalEvent;i=t.touches.length?t.touches[0]:t.changedTouches[0]}return{left:i.clientX,top:i.clientY}},d.get_offset=function(i){i.preventDefault();var t=this.get_mouse_pos(i),e=Math.round(t.left-this.mouse_init_pos.left),s=Math.round(t.top-this.mouse_init_pos.top),r=Math.round(this.el_init_offset.left+e-this.baseX+this.scroll_offset_x),o=Math.round(this.el_init_offset.top+s-this.baseY+this.scroll_offset_y);return this.options.limit&&(r>this.player_max_left?r=this.player_max_left:this.player_min_left>r&&(r=this.player_min_left)),{position:{left:r,top:o},pointer:{left:t.left,top:t.top,diff_left:e+this.scroll_offset_x,diff_top:s+this.scroll_offset_y}}},d.get_drag_data=function(i){var t=this.get_offset(i);return t.$player=this.$player,t.$helper=this.helper?this.$helper:this.$player,t},d.set_limits=function(i){return i||(i=this.$container.width()),this.player_max_left=i-this.player_width+-this.options.offset_left,this.options.container_width=i,this},d.scroll_in=function(t,s){var r,n=a[t],h=50,d=30,l="x"===t,c=l?this.window_width:this.window_height,p=l?i(e).width():i(e).height(),g=l?this.$player.width():this.$player.height(),u=o["scroll"+_(n)](),f=u,w=f+c,m=w-h,y=f+h,v=f+s.pointer[n],z=p-c+g;return v>=m&&(r=u+d,z>r&&(o["scroll"+_(n)](r),this["scroll_offset_"+t]+=d)),y>=v&&(r=u-d,r>0&&(o["scroll"+_(n)](r),this["scroll_offset_"+t]-=d)),this},d.manage_scroll=function(i){this.scroll_in("x",i),this.scroll_in("y",i)},d.calculate_dimensions=function(){this.window_height=o.height(),this.window_width=o.width()},d.drag_handler=function(t){if(t.target.nodeName,!this.disabled&&(1===t.which||n)&&!this.ignore_drag(t)){var e=this,s=!0;return this.$player=i(t.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(t),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$body.on(h.move,function(i){var t=e.get_mouse_pos(i),r=Math.abs(t.left-e.mouse_init_pos.left),o=Math.abs(t.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,i),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,i),!1):!1}),n?undefined:!1}},d.on_dragstart=function(i){if(i.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var t=this.$container.offset();return this.baseX=Math.round(t.left),this.baseY=Math.round(t.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,i,this.get_drag_data(i)),!1},d.on_dragmove=function(i){var t=this.get_drag_data(i);this.options.autoscroll&&this.manage_scroll(t),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:t.position.left,top:t.position.top});var e=this.last_position||t.position;return t.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,i,t),this.last_position=t.position,!1},d.on_dragstop=function(i){var t=this.get_drag_data(i);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,i,t),this.helper&&this.$helper.remove(),!1},d.on_select_start=function(i){return this.disabled||this.ignore_drag(i)?undefined:!1},d.enable=function(){this.disabled=!1},d.disable=function(){this.disabled=!0},d.destroy=function(){this.disable(),this.$container.off(".gridster-draggable"),this.$body.off(".gridster-draggable"),i(t).off(".gridster-draggable"),i.removeData(this.$container,"drag")},d.ignore_drag=function(t){return this.options.handle?!i(t.target).is(this.options.handle):i(t.target).is(this.options.ignore_dragging.join(", "))},i.fn.drag=function(i){return new s(this,i)}}(jQuery,window,document),function(i,t,e){function s(t,e){this.options=i.extend(!0,{},r,e),this.$el=i(t),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=i([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.$style_tags=i([]),this.init()}var r={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(i,t){return{col:t.col,row:t.row,size_x:t.size_x,size_y:t.size_y}},collision:{},draggable:{items:".gs-w",distance:4},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0]}};s.generated_stylesheets=[];var o=s.prototype;o.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),i(t).bind("resize.gridster",throttle(i.proxy(this.recalculate_faux_grid,this),200))},o.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},o.enable=function(){return this.drag_api.enable(),this},o.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},o.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},o.add_widget=function(t,e,s,r,o,a,n){var h;e||(e=1),s||(s=1),!r&!o?h=this.next_position(e,s):(h={col:r,row:o},this.empty_cells(r,o,e,s));var _=i(t).attr({"data-col":h.col,"data-row":h.row,"data-sizex":e,"data-sizey":s}).addClass("gs-w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(_),this.register_widget(_),this.add_faux_rows(h.size_y),a&&this.set_widget_max_size(_,a),n&&this.set_widget_min_size(_,n),this.set_dom_grid_height(),_.fadeIn()},o.set_widget_min_size=function(i,t){if(i="number"==typeof i?this.$widgets.eq(i):i,!i.length)return this;var e=i.data("coords").grid;return e.min_size_x=t[0],e.min_size_y=t[1],this},o.set_widget_max_size=function(i,t){if(i="number"==typeof i?this.$widgets.eq(i):i,!i.length)return this;var e=i.data("coords").grid;return e.max_size_x=t[0],e.max_size_y=t[1],this},o.add_resize_handle=function(t){var e=this.options.resize.handle_append_to;return i(this.resize_handle_tpl).appendTo(e?i(e,t):t),this},o.resize_widget=function(i,t,e,s){var r=i.coords().grid,o=r.col,a=this.options.max_cols,n=r.size_y,h=r.col,_=h;t||(t=r.size_x),e||(e=r.size_y),1/0!==a&&(t=Math.min(t,a-o+1)),e>n&&this.add_faux_rows(Math.max(e-n,0));var d=o+t-1;d>this.cols&&this.add_faux_cols(d-this.cols);var l={col:_,row:r.row,size_x:t,size_y:e};return this.mutate_widget_in_gridmap(i,r,l),this.set_dom_grid_height(),this.set_dom_grid_width(),s&&s.call(this,l.size_x,l.size_y),i},o.mutate_widget_in_gridmap=function(t,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];i.each(o.cols,function(t,e){-1===i.inArray(e,a.cols)&&n.push(e)});var h=[];i.each(a.cols,function(t,e){-1===i.inArray(e,o.cols)&&h.push(e)});var _=[];i.each(o.rows,function(t,e){-1===i.inArray(e,a.rows)&&_.push(e)});var d=[];if(i.each(a.rows,function(t,e){-1===i.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),t];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,t];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,t),t.removeClass("player-revert"),t.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),t.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),t];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,t];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(t),this},o.empty_cells=function(t,e,s,r,o){var a=this.widgets_below({col:t,row:e-r,size_x:s,size_y:r});return a.not(o).each(i.proxy(function(t,s){var o=i(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(i(s),a)}},this)),this.set_dom_grid_height(),this},o.remove_empty_cells=function(t,e,s,r,o){var a=this.widgets_below({col:t,row:e,size_x:s,size_y:r});return a.not(o).each(i.proxy(function(t,e){this.move_widget_up(i(e),r)},this)),this.set_dom_grid_height(),this},o.next_position=function(i,t){i||(i=1),t||(t=1);for(var e,s=this.gridmap,r=s.length,o=[],a=1;r>a;a++){e=s[a].length;for(var n=1;e>=n;n++){var h=this.can_move_to({size_x:i,size_y:t},a,n);h&&o.push({col:a,row:n,size_y:t,size_x:i})}}return o.length?this.sort_by_row_and_col_asc(o)[0]:!1},o.remove_widget=function(t,e,s){var r=t instanceof i?t:i(t),o=r.coords().grid;i.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(i.proxy(function(){r.remove(),e||a.each(i.proxy(function(t,e){this.move_widget_up(i(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,t)},this)),this},o.remove_all_widgets=function(t){return this.$widgets.each(i.proxy(function(i,e){this.remove_widget(e,!0,t)},this)),this},o.serialize=function(t){t||(t=this.$widgets);var e=[];return t.each(i.proxy(function(t,s){e.push(this.options.serialize_params(i(s),i(s).coords().grid))},this)),e},o.serialize_changed=function(){return this.serialize(this.$changed)},o.register_widget=function(t){var e={col:parseInt(t.attr("data-col"),10),row:parseInt(t.attr("data-row"),10),size_x:parseInt(t.attr("data-sizex"),10),size_y:parseInt(t.attr("data-sizey"),10),max_size_x:parseInt(t.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(t.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(t.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(t.attr("data-min-sizey"),10)||!1,el:t};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:e.size_x,size_y:e.size_y},e.col,e.row)&&(i.extend(e,this.next_position(e.size_x,e.size_y)),t.attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y})),t.data("coords",t.coords()),t.data("coords").grid=e,this.add_to_gridmap(e,t),this.options.resize.enabled&&this.add_resize_handle(t),this},o.update_widget_position=function(i,t){return this.for_each_cell_occupied(i,function(i,e){return this.gridmap[i]?(this.gridmap[i][e]=t,undefined):this}),this},o.remove_from_gridmap=function(i){return this.update_widget_position(i,!1)},o.add_to_gridmap=function(t,e){if(this.update_widget_position(t,e||t.el),t.el){var s=this.widgets_below(t.el);s.each(i.proxy(function(t,e){this.move_widget_up(i(e))},this))}},o.draggable=function(){var t=this,e=i.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.container_width,limit:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON","."+this.options.resize.handle_class],start:function(e,s){t.$widgets.filter(".player-revert").removeClass("player-revert"),t.$player=i(this),t.$helper=i(s.$helper),t.helper=!t.$helper.is(t.$player),t.on_start_drag.call(t,e,s),t.$el.trigger("gridster:dragstart")},stop:function(i,e){t.on_stop_drag.call(t,i,e),t.$el.trigger("gridster:dragstop")},drag:throttle(function(i,e){t.on_drag.call(t,i,e),t.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},o.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:i.proxy(this.on_start_resize,this),stop:i.proxy(function(t,e){delay(i.proxy(function(){this.on_stop_resize(t,e)},this),120)},this),drag:throttle(i.proxy(this.on_resize,this),60)}),this},o.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var t=this.options.resize.axes,e='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=i.map(t,function(i){return e.replace("{type}",i)}).join(""),this},o.on_start_drag=function(t,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=i.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.highest_col+1);var s=this.cols-this.highest_col;this.player_grid_data.size_x>s&&this.add_faux_cols(this.player_grid_data.size_x-s);var r=this.faux_grid,o=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(r,this.options.collision),this.$preview_holder=i("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:o.width,height:o.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,t,e)},o.on_drag=function(i,t){if(null===this.$player)return!1;var e={left:t.position.left+this.baseX,top:t.position.top+this.baseY};if(this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s===this.highest_col&&(this.cols>s&&this.set_dom_grid_width(s+1),this.highest_col=s+1,this.drag_api.set_limits(this.container_width))}this.helper&&this.$player&&this.$player.css({left:t.position.left,top:t.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,i,t)},o.on_stop_drag=function(i,t){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),t.position.left=t.position.left+this.baseX,t.position.top=t.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(t.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$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.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,i,t),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width)},o.on_start_resize=function(t,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=i("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,t,e,this.$resized_widget)},o.on_stop_resize=function(t,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(i.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""})},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.container_width),this.options.resize.stop&&this.options.resize.stop.call(this,t,e,this.$resized_widget)},o.on_resize=function(i,t){var e=t.pointer.diff_left,s=t.pointer.diff_top,r=this.options.widget_base_dimensions[0],o=this.options.widget_base_dimensions[1],a=1/0,n=1/0,h=Math.ceil(e/(this.options.widget_base_dimensions[0]+2*this.options.widget_margins[0])-.2),_=Math.ceil(s/(this.options.widget_base_dimensions[1]+2*this.options.widget_margins[1])-.2),d=Math.max(1,this.resize_initial_sizex+h),l=Math.max(1,this.resize_initial_sizey+_);if(d=Math.max(Math.min(d,this.resize_max_size_x),this.resize_min_size_x),a=this.resize_max_size_x*r+2*(d-1)*this.options.widget_margins[0],min_width=this.resize_min_size_x*r+2*(d-1)*this.options.widget_margins[0],l=Math.max(Math.min(l,this.resize_max_size_y),this.resize_min_size_y),n=this.resize_max_size_y*o+2*(l-1)*this.options.widget_margins[1],min_height=this.resize_min_size_y*o+2*(l-1)*this.options.widget_margins[1],this.resize_dir.right?l=this.resize_initial_sizey:this.resize_dir.bottom&&(d=this.resize_initial_sizex),this.options.autogrow_cols){var c=this.resize_initial_col+d-1;this.options.autogrow_cols&&c>=this.resize_initial_last_col&&(this.set_dom_grid_width(c+1),c>this.cols&&this.add_faux_cols(c-this.cols))}var p={};!this.resize_dir.bottom&&(p.width=Math.max(Math.min(this.resize_initial_width+e,a),min_width)),!this.resize_dir.right&&(p.height=Math.max(Math.min(this.resize_initial_height+s,n),min_height)),this.$resized_widget.css(p),(d!==this.resize_last_sizex||l!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,d,l),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":d,"data-sizey":l})),this.options.resize.resize&&this.options.resize.resize.call(this,i,t,this.$resized_widget),this.resize_last_sizex=d,this.resize_last_sizey=l},o.on_overlapped_column_change=function(t,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===i.inArray(r[s],this.last_cols)&&(t||i.noop).call(this,r[s]);for(s=0;o>s;s++)-1===i.inArray(this.last_cols[s],r)&&(e||i.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},o.on_overlapped_row_change=function(t,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===i.inArray(r[s],this.last_rows)&&(t||i.noop).call(this,r[s]);for(s=0;o>s;s++)-1===i.inArray(this.last_rows[s],r)&&(e||i.noop).call(this,this.last_rows[s]);this.last_rows=r},o.set_player=function(i,t,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:i}:s.colliders_data[0].el.data,o=r.col,a=t||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},o.widgets_constraints=function(t){var e,s=i([]),r=[],o=[];return t.each(i.proxy(function(t,e){var a=i(e),n=a.coords().grid;this.can_go_widget_up(n)?(s=s.add(a),r.push(n)):o.push(n)},this)),e=t.not(s),{can_go_up:this.sort_by_row_asc(r),can_not_go_up:this.sort_by_row_desc(o)}},o.sort_by_row_asc=function(t){return t=t.sort(function(t,e){return t.row||(t=i(t).coords().grid,e=i(e).coords().grid),t.row>e.row?1:-1})},o.sort_by_row_and_col_asc=function(i){return i=i.sort(function(i,t){return i.row>t.row||i.row===t.row&&i.col>t.col?1:-1})},o.sort_by_col_asc=function(i){return i=i.sort(function(i,t){return i.col>t.col?1:-1})},o.sort_by_row_desc=function(i){return i=i.sort(function(i,t){return i.row+i.size_y<t.row+t.size_y?1:-1})},o.manage_movements=function(t,e,s){return i.each(t,i.proxy(function(i,t){var r=t,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},o.is_player=function(i,t){if(t&&!this.gridmap[i])return!1;var e=t?this.gridmap[i][t]:i;return e&&(e.is(this.$player)||e.is(this.$helper))},o.is_player_in=function(t,e){var s=this.cells_occupied_by_player||{};return i.inArray(t,s.cols)>=0&&i.inArray(e,s.rows)>=0},o.is_placeholder_in=function(t,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(t)&&i.inArray(e,s.rows)>=0},o.is_placeholder_in_col=function(t){var e=this.cells_occupied_by_placeholder||[];return i.inArray(t,e.cols)>=0},o.is_empty=function(i,t){return this.gridmap[i]!==undefined?this.gridmap[i][t]!==undefined&&this.gridmap[i][t]===!1?!0:!1:!0},o.is_occupied=function(i,t){return this.gridmap[i]?this.gridmap[i][t]?!0:!1:!1},o.is_widget=function(i,t){var e=this.gridmap[i];return e?(e=e[t],e?e:!1):!1},o.is_widget_under_player=function(i,t){return this.is_widget(i,t)?this.is_player_in(i,t):!1},o.get_widgets_under_player=function(t){t||(t=this.cells_occupied_by_player||{cols:[],rows:[]});var e=i([]);return i.each(t.cols,i.proxy(function(s,r){i.each(t.rows,i.proxy(function(i,t){this.is_widget(r,t)&&(e=e.add(this.gridmap[r][t]))},this))},this)),e},o.set_placeholder=function(t,e){var s=i.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=t+s.size_x-1;o>this.cols&&(t-=o-t);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==t;this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":t}),(a||n)&&r.each(i.proxy(function(e,r){this.move_widget_up(i(r),this.placeholder_grid_data.col-t+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(i.proxy(function(t,r){var o=i(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},o.can_go_player_up=function(i){var t=i.row+i.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(i,function(i){var a=this.gridmap[i],n=t+1;for(s[i]=[];--n>0&&(this.is_empty(i,n)||this.is_player(i,n)||this.is_widget(i,n)&&a[n].is(o));)s[i].push(n),r=r>n?n:r;return 0===s[i].length?(e=!1,!0):(s[i].sort(function(i,t){return i-t}),undefined)}),e?this.get_valid_rows(i,s,r):!1},o.can_go_widget_up=function(i){var t=i.row+i.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(i,function(o){var a=this.gridmap[o];s[o]=[];for(var n=t+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(i.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(i,t){return i-t}),undefined)}),e?this.get_valid_rows(i,s,r):!1},o.get_valid_rows=function(t,e,s){for(var r=t.row,o=t.row+t.size_y-1,a=t.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(i.each(e,function(t,e){i.isArray(e)&&-1===i.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},o.get_consecutive_numbers_index=function(i,t){for(var e=i.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||i[a]===o+1){if(s.push(a),s.length===t)break;r=!1}else s=[],r=!0;o=i[a]}return s.length>=t?i[s[0]]:!1},o.get_widgets_overlapped=function(){var t=i([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),i.each(this.cells_occupied_by_player.cols,i.proxy(function(r,o){i.each(s,i.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===i.inArray(a,e)&&(t=t.add(a),e.push(a))},this))},this)),t},o.on_start_overlapping_column=function(i){this.set_player(i,!1)},o.on_start_overlapping_row=function(i){this.set_player(!1,i)},o.on_stop_overlapping_column=function(i){this.set_player(i,!1);var t=this;this.for_each_widget_below(i,this.cells_occupied_by_player.rows[0],function(){t.move_widget_up(this,t.player_grid_data.size_y)})},o.on_stop_overlapping_row=function(i){this.set_player(!1,i);for(var t=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],i,function(){t.move_widget_up(this,t.player_grid_data.size_y)})},o.move_widget_to=function(t,e){var s=this,r=t.coords().grid;e-r.row;var o=this.widgets_below(t),a=this.can_move_to(r,r.col,e,t);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),t.attr("data-row",e),this.$changed=this.$changed.add(t),o.each(function(t,e){var r=i(e),o=r.coords().grid,a=s.can_go_widget_up(o);
+a&&a!==o.row&&s.move_widget_to(r,a)}),this)},o.move_widget_up=function(t,e){var s=t.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(t)?(this.for_each_column_occupied(s,function(s){if(-1===i.inArray(t,o)){var a=t.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(t);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),t.attr("data-row",a.row),this.$changed=this.$changed.add(t),o.push(t),h.each(i.proxy(function(t,s){this.move_widget_up(i(s),e)},this))}}),undefined):!1},o.move_widget_down=function(t,e){var s,r,o,a;if(0>=e)return!1;if(s=t.coords().grid,r=s.row,o=[],a=e,!t)return!1;if(-1===i.inArray(t,o)){var n=t.coords().grid,h=r+e,_=this.widgets_below(t);this.remove_from_gridmap(n),_.each(i.proxy(function(t,e){var s=i(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,t),t.attr("data-row",n.row),this.$changed=this.$changed.add(t),o.push(t)}},o.can_go_up_to_row=function(t,e,s){var r,o=this.gridmap,a=!0,n=[],h=t.row;if(this.for_each_column_occupied(t,function(i){for(o[i],n[i]=[],r=h;r--&&this.is_empty(i,r)&&!this.is_placeholder_in(i,r);)n[i].push(r);return n[i].length?undefined:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===i.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},o.displacement_diff=function(i,t,e){var s=i.row,r=[],o=t.row+t.size_y;this.for_each_column_occupied(i,function(i){for(var t=0,e=o;s>e;e++)this.is_empty(i,e)&&(t+=1);r.push(t)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},o.widgets_below=function(t){var e=i.isPlainObject(t)?t:t.coords().grid,s=this;this.gridmap;var r=e.row+e.size_y-1,o=i([]);return this.for_each_column_occupied(e,function(t){s.for_each_widget_below(t,r,function(){return s.is_player(this)||-1!==i.inArray(this,o)?undefined:(o=o.add(this),!0)})}),this.sort_by_row_asc(o)},o.set_cells_player_occupies=function(i,t){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=t,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},o.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},o.can_go_up=function(i){var t=i.coords().grid,e=t.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(t,function(i){return this.is_widget(i,s),this.is_occupied(i,s)||this.is_player(i,s)||this.is_placeholder_in(i,s)||this.is_player_in(i,s)?(r=!1,!0):undefined}),r)},o.can_move_to=function(i,t,e,s){this.gridmap;var r=i.el,o={size_y:i.size_y,size_x:i.size_x,col:t,row:e},a=!0,n=t+i.size_x-1;return n>this.cols?!1:s&&e+i.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(t,e){var s=this.is_widget(t,e);!s||i.el&&!s.is(r)||(a=!1)}),a)},o.get_targeted_columns=function(i){for(var t=(i||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=i;t>=s;s++)e.push(s);return e},o.get_targeted_rows=function(i){for(var t=(i||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=i;t>=s;s++)e.push(s);return e},o.get_cells_occupied=function(t){var e,s={cols:[],rows:[]};for(arguments[1]instanceof i&&(t=arguments[1].coords().grid),e=0;t.size_x>e;e++){var r=t.col+e;s.cols.push(r)}for(e=0;t.size_y>e;e++){var o=t.row+e;s.rows.push(o)}return s},o.for_each_cell_occupied=function(i,t){return this.for_each_column_occupied(i,function(e){this.for_each_row_occupied(i,function(i){t.call(this,e,i)})}),this},o.for_each_column_occupied=function(i,t){for(var e=0;i.size_x>e;e++){var s=i.col+e;t.call(this,s,i)}},o.for_each_row_occupied=function(i,t){for(var e=0;i.size_y>e;e++){var s=i.row+e;t.call(this,s,i)}},o._traversing_widgets=function(t,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=t+"/"+e;if(arguments[2]instanceof i){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===i.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==i.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},o.for_each_widget_above=function(i,t,e){return this._traversing_widgets("for_each","above",i,t,e),this},o.for_each_widget_below=function(i,t,e){return this._traversing_widgets("for_each","below",i,t,e),this},o.get_highest_occupied_cell=function(){for(var i,t=this.gridmap,e=t[1].length,s=[],r=[],o=t.length-1;o>=1;o--)for(i=e-1;i>=1;i--)if(this.is_widget(o,i)){s.push(i),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},o.get_widgets_from=function(t,e){this.gridmap;var s=i();return t&&(s=s.add(this.$widgets.filter(function(){var e=i(this).attr("data-col");return e===t||e>t}))),e&&(s=s.add(this.$widgets.filter(function(){var t=i(this).attr("data-row");return t===e||t>e}))),s},o.set_dom_grid_height=function(i){if(i===undefined){var t=this.get_highest_occupied_cell().row;i=t*this.min_widget_height}return this.container_height=i,this.$el.css("height",this.container_height),this},o.set_dom_grid_width=function(i){return i===undefined&&(i=this.get_highest_occupied_cell().col),i=Math.min(this.options.max_cols,Math.max(i,this.options.min_cols)),this.container_width=i*this.min_widget_width,this.$el.css("width",this.container_width),this},o.generate_stylesheet=function(t){var e,r="",o=this.options.max_size_x||this.cols;t||(t={}),t.cols||(t.cols=this.cols),t.rows||(t.rows=this.rows),t.namespace||(t.namespace=this.options.namespace),t.widget_base_dimensions||(t.widget_base_dimensions=this.options.widget_base_dimensions),t.widget_margins||(t.widget_margins=this.options.widget_margins),t.min_widget_width=2*t.widget_margins[0]+t.widget_base_dimensions[0],t.min_widget_height=2*t.widget_margins[1]+t.widget_base_dimensions[1];var a=i.param(t);if(i.inArray(a,s.generated_stylesheets)>=0)return!1;for(s.generated_stylesheets.push(a),e=t.cols;e>=0;e--)r+=t.namespace+' [data-col="'+(e+1)+'"] { left:'+(e*t.widget_base_dimensions[0]+e*t.widget_margins[0]+(e+1)*t.widget_margins[0])+"px; }\n";for(e=t.rows;e>=0;e--)r+=t.namespace+' [data-row="'+(e+1)+'"] { top:'+(e*t.widget_base_dimensions[1]+e*t.widget_margins[1]+(e+1)*t.widget_margins[1])+"px; }\n";for(var n=1;t.rows>=n;n++)r+=t.namespace+' [data-sizey="'+n+'"] { height:'+(n*t.widget_base_dimensions[1]+(n-1)*2*t.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=t.namespace+' [data-sizex="'+h+'"] { width:'+(h*t.widget_base_dimensions[0]+(h-1)*2*t.widget_margins[0])+"px; }\n";return this.add_style_tag(r)},o.add_style_tag=function(i){var t=e,s=t.createElement("style");return t.getElementsByTagName("head")[0].appendChild(s),s.setAttribute("type","text/css"),s.styleSheet?s.styleSheet.cssText=i:s.appendChild(e.createTextNode(i)),this.$style_tags=this.$style_tags.add(s),this},o.remove_style_tags=function(){this.$style_tags.remove()},o.generate_faux_grid=function(i,t){this.faux_grid=[],this.gridmap=[];var e,s;for(e=t;e>0;e--)for(this.gridmap[e]=[],s=i;s>0;s--)this.add_faux_cell(s,e);return this},o.add_faux_cell=function(t,e){var s=i({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(t-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:t,original_col:e,original_row:t}).coords();return i.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][t]=!1,this.faux_grid.push(s),this},o.add_faux_rows=function(i){for(var t=this.rows,e=t+(i||1),s=e;s>t;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.add_faux_cols=function(i){var t=this.cols,e=t+(i||1);e=Math.min(e,this.options.max_cols);for(var s=t+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},o.recalculate_faux_grid=function(){var e=this.$wrapper.width();return this.baseX=(i(t).width()-e)/2,this.baseY=this.$wrapper.offset().top,i.each(this.faux_grid,i.proxy(function(i,t){this.faux_grid[i]=t.update({left:this.baseX+(t.data.col-1)*this.min_widget_width,top:this.baseY+(t.data.row-1)*this.min_widget_height})},this)),this},o.get_widgets_from_DOM=function(){return this.$widgets.each(i.proxy(function(t,e){this.register_widget(i(e))},this)),this},o.generate_grid_and_stylesheet=function(){var e=this.$wrapper.width(),s=this.options.max_cols,r=Math.floor(e/this.min_widget_width)+this.options.extra_cols,o=this.$widgets.map(function(){return i(this).attr("data-col")}).get();o.length||(o=[0]);var a=Math.max.apply(Math,o);this.cols=Math.max(a,r,this.options.min_cols),1/0!==s&&s>=a&&this.cols>s&&(this.cols=s);var n=this.options.extra_rows;return this.$widgets.each(function(t,e){n+=+i(e).attr("data-sizey")}),this.rows=Math.max(n,this.options.min_rows),this.baseX=(i(t).width()-e)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},o.destroy=function(){return i(t).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),this.$el.remove(),this},i.fn.gridster=function(t){return this.each(function(){i(this).data("gridster")||i(this).data("gridster",new s(this,t))})},i.Gridster=o}(jQuery,window,document),function(i){var t=i.Gridster;t.widgets_in_col=function(i){if(!this.gridmap[i])return!1;for(var t=this.gridmap[i].length-1;t>=0;t--)if(this.is_widget(i,t)!==!1)return!0;return!1},t.widgets_in_row=function(i){for(var t=this.gridmap.length;t>=1;t--)if(this.is_widget(t,i)!==!1)return!0;return!1},t.widgets_in_range=function(t,e,s,r){var o,a,n,h,_=i([]);for(o=s;o>=t;o--)for(a=r;a>=e;a--)n=this.is_widget(o,a),n!==!1&&(h=n.data("coords").grid,h.col>=t&&s>=h.col&&h.row>=e&&r>=h.row&&(_=_.add(n)));return _},t.get_bottom_most_occupied_cell=function(){var i=0,t=0;return this.for_each_cell(function(e,s,r){e&&r>i&&(i=r,t=s)}),{col:t,row:i}},t.get_right_most_occupied_cell=function(){var i=0,t=0;return this.for_each_cell(function(e,s,r){return e?(i=r,t=s,!1):undefined}),{col:t,row:i}},t.for_each_cell=function(i,t){t||(t=this.gridmap);var e=t.length,s=t[1].length;i:for(var r=e-1;r>=1;r--)for(var o=s-1;o>=1;o--){var a=t[r]&&t[r][o];if(i){if(i.call(this,a,r,o)===!1)break i}else;}},t.next_position_in_range=function(i,t,e){i||(i=1),t||(t=1);for(var s,r=this.gridmap,o=r.length,a=[],n=1;o>n;n++){s=e||r[n].length;for(var h=1;s>=h;h++){var _=this.can_move_to({size_x:i,size_y:t},n,h,e);_&&a.push({col:n,row:h,size_y:t,size_x:i})}}return a.length>=1?this.sort_by_col_asc(a)[0]:!1},t.closest_to_right=function(i,t){if(!this.gridmap[i])return!1;for(var e=this.gridmap.length-1,s=i;e>=s;s++)if(this.gridmap[s][t])return{col:s,row:t};return!1},t.closest_to_left=function(i,t){if(this.gridmap.length-1,!this.gridmap[i])return!1;for(var e=i;e>=1;e--)if(this.gridmap[e][t])return{col:e,row:t};return!1}}(jQuery,window,document);
\ No newline at end of file
diff --git a/package.json b/package.json
index 536b14deeb..0deb87c69c 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "gridster",
   "title": "gridster.js",
   "description": "a drag-and-drop multi-column jQuery grid plugin",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "homepage": "http://gridster.net/",
   "author": {
     "name": "ducksboard",