diff --git a/.bower.json b/.bower.json
new file mode 100644
index 00000000..0282b9be
--- /dev/null
+++ b/.bower.json
@@ -0,0 +1,14 @@
+{
+  "name": "gridster.js",
+  "homepage": "https://github.com/iQmetrix/gridster.js",
+  "version": "0.5.8",
+  "_release": "0.5.8",
+  "_resolution": {
+    "type": "version",
+    "tag": "v0.5.8",
+    "commit": "bd9c95f946df2aa38c325f0c6d87af7ec52de763"
+  },
+  "_source": "git@github.com:iQmetrix/gridster.js.git",
+  "_target": "0.5.8",
+  "_originalSource": "git@github.com:iQmetrix/gridster.js.git"
+}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d6f1a22..b5e7985c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+<a name="v0.5.8"></a>
+### v0.5.8 (2015-04-16)
+jquery.draggable now takes a "window" option that specifies the scrollable div in the application if it's not "window"
+
+<a name="v0.5.7"></a>
+### v0.5.7 (2015-01-09)
+losen up column calculation logic, to achieve some small screen responsiveness
+
 <a name="v0.5.6"></a>
 ### v0.5.6 (2014-09-25)
 
diff --git a/dist/jquery.gridster.css b/dist/jquery.gridster.css
index 2d1ae608..600466c9 100644
--- a/dist/jquery.gridster.css
+++ b/dist/jquery.gridster.css
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.5.6 - 2014-09-25
+/*! gridster.js - v0.6.0 - 2015-04-16
 * http://gridster.net/
-* Copyright (c) 2014 ducksboard; Licensed MIT */
+* Copyright (c) 2015 ducksboard; Licensed MIT */
 
 .gridster {
     position:relative;
diff --git a/dist/jquery.gridster.js b/dist/jquery.gridster.js
index b9ebb277..f22d29f9 100644
--- a/dist/jquery.gridster.js
+++ b/dist/jquery.gridster.js
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.5.6 - 2014-09-25
+/*! gridster.js - v0.6.0 - 2015-04-16
 * http://gridster.net/
-* Copyright (c) 2014 ducksboard; Licensed MIT */
+* Copyright (c) 2015 ducksboard; Licensed MIT */
 
 ;(function(root, factory) {
 
@@ -455,7 +455,7 @@
         // stop : function(e) {}
     };
 
-    var $window = $(window);
+    var $window;
     var dir_map = { x : 'left', y : 'top' };
     var isTouch = !!('ontouchstart' in window);
 
@@ -466,7 +466,7 @@
     var idCounter = 0;
     var uniqId = function() {
         return ++idCounter + '';
-    }
+    };
 
     /**
     * Basic drag implementation for DOM elements inside a container.
@@ -500,6 +500,7 @@
     function Draggable(el, options) {
       this.options = $.extend({}, defaults, options);
       this.$document = $(document);
+      $window = options.window || $(window);
       this.$container = $(el);
       this.$dragitems = $(this.options.items, this.$container);
       this.is_dragging = false;
@@ -520,7 +521,7 @@
         this.disabled = false;
         this.events();
 
-        $(window).bind(this.nsEvent('resize'),
+        $window.bind(this.nsEvent('resize'),
             throttle($.proxy(this.calculate_dimensions, this), 200));
     };
 
@@ -578,9 +579,9 @@
         var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top);
 
         var left = Math.round(this.el_init_offset.left +
-            diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x);
+            diff_x - this.baseX + $window.scrollLeft() - this.win_offset_x);
         var top = Math.round(this.el_init_offset.top +
-            diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y);
+            diff_y - this.baseY + $window.scrollTop() - this.win_offset_y);
 
         if (this.options.limit) {
             if (left > this.player_max_left) {
@@ -598,8 +599,8 @@
             pointer: {
                 left: mouse_actual_pos.left,
                 top: mouse_actual_pos.top,
-                diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x),
-                diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y)
+                diff_left: diff_x + ($window.scrollLeft() - this.win_offset_x),
+                diff_top: diff_y + ($window.scrollTop() - this.win_offset_y)
             }
         };
     };
@@ -747,8 +748,8 @@
             this.helper = false;
         }
 
-        this.win_offset_y = $(window).scrollTop();
-        this.win_offset_x = $(window).scrollLeft();
+        this.win_offset_y = $window.scrollTop();
+        this.win_offset_x = $window.scrollLeft();
         this.scroll_offset_y = 0;
         this.scroll_offset_x = 0;
         this.el_init_offset = this.$player.offset();
@@ -827,7 +828,7 @@
 
         this.$container.off(this.ns);
         this.$document.off(this.ns);
-        $(window).off(this.ns);
+        $window.off(this.ns);
 
         $.removeData(this.$container, 'drag');
     };
@@ -3926,7 +3927,7 @@
 
         this.cols = Math.max(min_cols, cols, this.options.min_cols);
 
-        if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) {
+        if (max_cols !== Infinity) {
             this.cols = max_cols;
         }
 
diff --git a/dist/jquery.gridster.min.css b/dist/jquery.gridster.min.css
index 9d9fe844..b2b1d488 100644
--- a/dist/jquery.gridster.min.css
+++ b/dist/jquery.gridster.min.css
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ 
+/*! gridster.js - v0.6.0 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 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 a256947a..b1d579f1 100644
--- a/dist/jquery.gridster.min.js
+++ b/dist/jquery.gridster.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(t,i){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],i):t.GridsterCoords=i(t.$||t.jQuery)})(this,function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;return e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return r.left===void 0&&(r.left=r.x1),r.top===void 0&&(r.top=r.y1),this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},e.destroy=function(){this.el.removeData("coords"),delete this.el},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t},i}),function(t,i){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],i):t.GridsterCollision=i(t.$||t.jQuery,t.GridsterCoords)}(this,function(t){function i(i,s,r){this.options=t.extend(e,r),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(s),this.init()}var e={colliders_context:document.body,overlapping_region:"C"};i.defaults=e;var s=i.prototype;return s.init=function(){this.find_collisions()},s.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},s.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1<i.y2&&(e="N"),t.y2>i.y1&&t.y2<i.cy&&(e="S"),t.x1>i.cx&&t.x1<i.x2&&(s="W"),t.x2>i.x1&&t.x2<i.cx&&(s="E"),e+s||"C"},s.calculate_overlapped_area_coords=function(i,e){var s=Math.max(i.x1,e.x1),r=Math.max(i.y1,e.y1),o=Math.min(i.x2,e.x2),a=Math.min(i.y2,e.y2);return t({left:s,top:r,width:o-s,height:a-r}).coords().get()},s.calculate_overlapped_area=function(t){return t.width*t.height},s.manage_colliders_start_stop=function(i,e,s){for(var r=this.last_colliders_coords,o=0,a=r.length;a>o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var n=0,h=i.length;h>n;n++)-1===t.inArray(i[n],r)&&s.call(this,i[n])},s.find_collisions=function(i){for(var e=this,s=this.options.overlapping_region,r=[],o=[],a=this.colliders||this.$colliders,n=a.length,h=e.$element.coords().update(i||!1).get();n--;){var _=e.$colliders?t(a[n]):a[n],d=_.isCoords?_:_.coords(),l=d.get(),c=e.overlaps(h,l);if(c){var p=e.detect_overlapping_region(h,l);if(p===s||"all"===s){var g=e.calculate_overlapped_area_coords(h,l),u=e.calculate_overlapped_area(g),f={area:u,area_coords:g,region:p,coords:l,player_coords:h,el:_};e.options.on_overlap&&e.options.on_overlap.call(this,f),r.push(d),o.push(f)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(r,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=r,o},s.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1<i.coords.y1||t.coords.x1<i.coords.x1?-1:1:t.area<i.area?1:1}),i},s.set_colliders=function(i){"string"==typeof i||i instanceof t?this.$colliders=t(i,this.options.colliders_context).not(this.$element):this.colliders=t(i)},t.fn.collision=function(t,e){return new i(this,t,e)},i}),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){"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],i):t.GridsterDraggable=i(t.$||t.jQuery)}(this,function(t){function i(i,s){this.options=t.extend({},e,s),this.$document=t(document),this.$container=t(i),this.$dragitems=t(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=h(),this.ns=".gridster-draggable-"+this.id,this.init()}var e={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},s=t(window),r={x:"left",y:"top"},o=!!("ontouchstart"in window),a=function(t){return t.charAt(0).toUpperCase()+t.slice(1)},n=0,h=function(){return++n+""};i.defaults=e;var _=i.prototype;return _.init=function(){var i=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===i?"relative":i),this.disabled=!1,this.events(),t(window).bind(this.nsEvent("resize"),throttle(t.proxy(this.calculate_dimensions,this),200))},_.nsEvent=function(t){return(t||"")+this.ns},_.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),t.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,t.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,t.proxy(function(t){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(t))},this))},_.get_actual_pos=function(t){var i=t.position();return i},_.get_mouse_pos=function(t){if(t.originalEvent&&t.originalEvent.touches){var i=t.originalEvent;t=i.touches.length?i.touches[0]:i.changedTouches[0]}return{left:t.clientX,top:t.clientY}},_.get_offset=function(i){i.preventDefault();var e=this.get_mouse_pos(i),s=Math.round(e.left-this.mouse_init_pos.left),r=Math.round(e.top-this.mouse_init_pos.top),o=Math.round(this.el_init_offset.left+s-this.baseX+t(window).scrollLeft()-this.win_offset_x),a=Math.round(this.el_init_offset.top+r-this.baseY+t(window).scrollTop()-this.win_offset_y);return this.options.limit&&(o>this.player_max_left?o=this.player_max_left:this.player_min_left>o&&(o=this.player_min_left)),{position:{left:o,top:a},pointer:{left:e.left,top:e.top,diff_left:s+(t(window).scrollLeft()-this.win_offset_x),diff_top:r+(t(window).scrollTop()-this.win_offset_y)}}},_.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},_.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},_.scroll_in=function(i,e){var o,n=r[i],h=50,_=30,d="x"===i,l=d?this.window_width:this.window_height,c=d?t(document).width():t(document).height(),p=d?this.$player.width():this.$player.height(),g=s["scroll"+a(n)](),u=g,f=u+l,w=f-h,m=u+h,y=u+e.pointer[n],v=c-l+p;return y>=w&&(o=g+_,v>o&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]+=_)),m>=y&&(o=g-_,o>0&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]-=_)),this},_.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},_.calculate_dimensions=function(){this.window_height=s.height(),this.window_width=s.width()},_.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||o)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),o?void 0:!1}},_.on_dragstart=function(i){if(i.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var e=this.$container.offset();return this.baseX=Math.round(e.left),this.baseY=Math.round(e.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=t(window).scrollTop(),this.win_offset_x=t(window).scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,i,this.get_drag_data(i)),!1},_.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},_.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},_.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?void 0:!1},_.enable=function(){this.disabled=!1},_.disable=function(){this.disabled=!0},_.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),t(window).off(this.ns),t.removeData(this.$container,"drag")},_.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(i):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new i(this,t)},i}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],i):t.Gridster=i(t.$||t.jQuery,t.GridsterDraggable,t.GridsterCollision)}(this,function(t,i){function e(i,e){this.options=t.extend(!0,{},s,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=t([]),this.options.auto_init&&this.init()}var s={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:i.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};e.defaults=s,e.generated_stylesheets=[],e.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},e.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},e.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},e.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_y<i.row+i.size_y?1:-1})};var r=e.prototype;return r.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.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),t(window).bind("resize.gridster",throttle(t.proxy(this.recalculate_faux_grid,this),200))},r.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},r.enable=function(){return this.drag_api.enable(),this},r.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},r.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},r.add_widget=function(i,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,size_x:e,size_y:s},this.empty_cells(r,o,e,s));var _=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.$widgets.add(_),this.register_widget(_),this.add_faux_rows(h.size_y),a&&this.set_widget_max_size(_,a),n&&this.set_widget_min_size(_,n),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width),_.fadeIn()},r.set_widget_min_size=function(t,i){if(t="number"==typeof t?this.$widgets.eq(t):t,!t.length)return this;var e=t.data("coords").grid;return e.min_size_x=i[0],e.min_size_y=i[1],this},r.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},r.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},r.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},r.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&n.push(e)});var h=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&h.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},r.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(t(s),a)}},this)),this.set_dom_grid_height(),this},r.remove_empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,e){this.move_widget_up(t(e),r)},this)),this.set_dom_grid_height(),this},r.next_position=function(t,i){t||(t=1),i||(i=1);for(var s,r=this.gridmap,o=r.length,a=[],n=1;o>n;n++){s=r[n].length;for(var h=1;s>=h;h++){var _=this.can_move_to({size_x:t,size_y:i},n,h);_&&a.push({col:n,row:h,size_y:i,size_x:t})}}return a.length?e.sort_by_row_and_col_asc(a)[0]:!1},r.remove_widget=function(i,e,s){var r=i instanceof t?i:t(i),o=r.coords().grid;t.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},r.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},r.serialize=function(i){return i||(i=this.$widgets),i.map(t.proxy(function(i,e){var s=t(e);return this.options.serialize_params(s,s.coords().grid)},this)).get()},r.serialize_changed=function(){return this.serialize(this.$changed)},r.dom_to_coords=function(t){return{col:parseInt(t.attr("data-col"),10),row:parseInt(t.attr("data-row"),10),size_x:parseInt(t.attr("data-sizex"),10)||1,size_y:parseInt(t.attr("data-sizey"),10)||1,max_size_x:parseInt(t.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(t.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(t.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(t.attr("data-min-sizey"),10)||!1,el:t}},r.register_widget=function(i){var e=i instanceof jQuery,s=e?this.dom_to_coords(i):i,r=!1;e||(i=s.el);var o=this.can_go_widget_up(s);return o&&(s.row=o,i.attr("data-row",o),this.$el.trigger("gridster:positionchanged",[s]),r=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:s.size_x,size_y:s.size_y},s.col,s.row)&&(t.extend(s,this.next_position(s.size_x,s.size_y)),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),r=!0),i.data("coords",i.coords()),i.data("coords").grid=s,this.add_to_gridmap(s,i),this.options.resize.enabled&&this.add_resize_handle(i),r},r.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,void 0):this}),this},r.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},r.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},r.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},r.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},r.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='<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(""),t.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},r.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var s=this.player_grid_data.size_x,r=this.cols-this.highest_col;this.options.autogrow_cols&&s>=r&&this.add_faux_cols(Math.min(s-r,1));var o=this.faux_grid,a=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(o,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:a.width,height:a.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},r.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},r.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestart")},r.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_resize=function(t,i){var e,s=i.pointer.diff_left,r=i.pointer.diff_top,o=this.options.widget_base_dimensions[0],a=this.options.widget_base_dimensions[1],n=this.options.widget_margins[0],h=this.options.widget_margins[1],_=this.resize_max_size_x,d=this.resize_min_size_x,l=this.resize_max_size_y,c=this.resize_min_size_y,p=this.options.autogrow_cols,g=1/0,u=1/0,f=Math.ceil(s/(o+2*n)-.2),w=Math.ceil(r/(a+2*h)-.2),m=Math.max(1,this.resize_initial_sizex+f),y=Math.max(1,this.resize_initial_sizey+w),v=this.container_width/this.min_widget_width-this.resize_initial_col+1,z=v*this.min_widget_width-2*n;if(m=Math.max(Math.min(m,_),d),m=Math.min(v,m),e=_*o+2*(m-1)*n,g=Math.min(e,z),min_width=d*o+2*(m-1)*n,y=Math.max(Math.min(y,l),c),u=l*a+2*(y-1)*h,min_height=c*a+2*(y-1)*h,this.resize_dir.right?y=this.resize_initial_sizey:this.resize_dir.bottom&&(m=this.resize_initial_sizex),p){var x=this.resize_initial_col+m-1;p&&x>=this.resize_initial_last_col&&(this.set_dom_grid_width(Math.max(x+1,this.cols)),x>this.cols&&this.add_faux_cols(x-this.cols))}var $={};!this.resize_dir.bottom&&($.width=Math.max(Math.min(this.resize_initial_width+s,g),min_width)),!this.resize_dir.right&&($.height=Math.max(Math.min(this.resize_initial_height+r,u),min_height)),this.$resized_widget.css($),(m!==this.resize_last_sizex||y!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,m,y),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":m,"data-sizey":y})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=m,this.resize_last_sizey=y},r.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},r.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},r.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},r.widgets_constraints=function(i){var s,r=t([]),o=[],a=[];return i.each(t.proxy(function(i,e){var s=t(e),n=s.coords().grid;this.can_go_widget_up(n)?(r=r.add(s),o.push(n)):a.push(n)},this)),s=i.not(r),{can_go_up:e.sort_by_row_asc(o),can_not_go_up:e.sort_by_row_desc(a)}},r.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},r.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},r.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},r.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},r.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},r.is_empty=function(t,i){return this.gridmap[t]!==void 0?this.gridmap[t][i]!==void 0&&this.gridmap[t][i]===!1?!0:!1:!0},r.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},r.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},r.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},r.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},r.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||n)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},r.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],n=i+1;for(s[t]=[];--n>0&&(this.is_empty(t,n)||this.is_player(t,n)||this.is_widget(t,n)&&a[n].is(o));)s[t].push(n),r=r>n?n:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i
-}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var n=i+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(t.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},r.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},r.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},r.on_start_overlapping_column=function(t){this.set_player(t,!1)},r.on_start_overlapping_row=function(t){this.set_player(!1,t)},r.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},r.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(i);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),h.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),void 0):!1},r.move_widget_down=function(i,e){var s,r,o,a;if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var n=i.coords().grid,h=r+e,_=this.widgets_below(i);this.remove_from_gridmap(n),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,i),i.attr("data-row",n.row),this.$changed=this.$changed.add(i),o.push(i)}},r.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,n=[],h=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],n[t]=[],r=h;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)n[t].push(r);return n[t].length?void 0:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===t.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},r.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},r.widgets_below=function(i){var s=t.isPlainObject(i)?i:i.coords().grid,r=this;this.gridmap;var o=s.row+s.size_y-1,a=t([]);return this.for_each_column_occupied(s,function(i){r.for_each_widget_below(i,o,function(){return r.is_player(this)||-1!==t.inArray(this,a)?void 0:(a=a.add(this),!0)})}),e.sort_by_row_asc(a)},r.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},r.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},r.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):void 0}),r)},r.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,n=i+t.size_x-1;return n>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},r.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},r.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},r.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},r.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},r._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},r.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},r.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},r.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},r.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},r.set_dom_grid_height=function(t){if(t===void 0){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},r.set_dom_grid_width=function(t){t===void 0&&(t=this.get_highest_occupied_cell().col);var i=this.options.autogrow_cols?this.options.max_cols:this.cols;return t=Math.min(i,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},r.generate_stylesheet=function(i){var s,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,e.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(a),e.generated_stylesheets.push(a),s=i.cols;s>=0;s--)r+=i.namespace+' [data-col="'+(s+1)+'"] { left:'+(s*i.widget_base_dimensions[0]+s*i.widget_margins[0]+(s+1)*i.widget_margins[0])+"px; }\n";for(s=i.rows;s>=0;s--)r+=i.namespace+' [data-row="'+(s+1)+'"] { top:'+(s*i.widget_base_dimensions[1]+s*i.widget_margins[1]+(s+1)*i.widget_margins[1])+"px; }\n";for(var n=1;i.rows>=n;n++)r+=i.namespace+' [data-sizey="'+n+'"] { height:'+(n*i.widget_base_dimensions[1]+(n-1)*2*i.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=i.namespace+' [data-sizex="'+h+'"] { width:'+(h*i.widget_base_dimensions[0]+(h-1)*2*i.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(r)},r.add_style_tag=function(t){var i=document,e=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(e),e.setAttribute("type","text/css"),e.styleSheet?e.styleSheet.cssText=t:e.appendChild(document.createTextNode(t)),this.$style_tags=this.$style_tags.add(e),this},r.remove_style_tags=function(){var i=e.generated_stylesheets,s=this.generated_stylesheets;this.$style_tags.remove(),e.generated_stylesheets=t.map(i,function(i){return-1===t.inArray(i,s)?i:void 0})},r.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},r.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},r.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.recalculate_faux_grid=function(){var i=this.$wrapper.width();return this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},r.get_widgets_from_DOM=function(){var i=this.$widgets.map(t.proxy(function(i,e){var s=t(e);return this.dom_to_coords(s)},this));i=e.sort_by_row_and_col_asc(i);var s=t(i).map(t.proxy(function(t,i){return this.register_widget(i)||null},this));return s.length&&this.$el.trigger("gridster:positionschanged"),this},r.generate_grid_and_stylesheet=function(){var i=this.$wrapper.width(),e=this.options.max_cols,s=Math.floor(i/this.min_widget_width)+this.options.extra_cols,r=this.$widgets.map(function(){return t(this).attr("data-col")}).get();r.length||(r=[0]);var o=Math.max.apply(Math,r);this.cols=Math.max(o,s,this.options.min_cols),1/0!==e&&e>=o&&this.cols>e&&(this.cols=e);var a=this.options.extra_rows;return this.$widgets.each(function(i,e){a+=+t(e).attr("data-sizey")}),this.rows=Math.max(a,this.options.min_rows),this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},r.destroy=function(i){return this.$el.removeData("gridster"),t(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),i&&this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new e(this,i))})},e});
\ No newline at end of file
+/*! gridster.js - v0.6.0 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ !function(a,b){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],b):a.GridsterCoords=b(a.$||a.jQuery)}(this,function(a){function b(b){return b[0]&&a.isPlainObject(b[0])?this.data=b[0]:this.el=b,this.isCoords=!0,this.coords={},this.init(),this}var c=b.prototype;return c.init=function(){this.set(),this.original_coords=this.get()},c.set=function(a,b){var c=this.el;if(c&&!a&&(this.data=c.offset(),this.data.width=c.width(),this.data.height=c.height()),c&&a&&!b){var d=c.offset();this.data.top=d.top,this.data.left=d.left}var e=this.data;return"undefined"==typeof e.left&&(e.left=e.x1),"undefined"==typeof e.top&&(e.top=e.y1),this.coords.x1=e.left,this.coords.y1=e.top,this.coords.x2=e.left+e.width,this.coords.y2=e.top+e.height,this.coords.cx=e.left+e.width/2,this.coords.cy=e.top+e.height/2,this.coords.width=e.width,this.coords.height=e.height,this.coords.el=c||!1,this},c.update=function(b){if(!b&&!this.el)return this;if(b){var c=a.extend({},this.data,b);return this.data=c,this.set(!0,!0)}return this.set(!0),this},c.get=function(){return this.coords},c.destroy=function(){this.el.removeData("coords"),delete this.el},a.fn.coords=function(){if(this.data("coords"))return this.data("coords");var a=new b(this,arguments[0]);return this.data("coords",a),a},b}),function(a,b){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],b):a.GridsterCollision=b(a.$||a.jQuery,a.GridsterCoords)}(this,function(a){function b(b,d,e){this.options=a.extend(c,e),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(d),this.init()}var c={colliders_context:document.body,overlapping_region:"C"};b.defaults=c;var d=b.prototype;return d.init=function(){this.find_collisions()},d.overlaps=function(a,b){var c=!1,d=!1;return(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)&&(c=!0),(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)&&(d=!0),c&&d},d.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},d.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},d.calculate_overlapped_area=function(a){return a.width*a.height},d.manage_colliders_start_stop=function(b,c,d){for(var e=this.last_colliders_coords,f=0,g=e.length;g>f;f++)-1===a.inArray(e[f],b)&&c.call(this,e[f]);for(var 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b.sort(function(a,b){return"C"===a.region&&"C"===b.region?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:(a.area<b.area,1)}),b},d.set_colliders=function(b){"string"==typeof b||b instanceof a?this.$colliders=a(b,this.options.colliders_context).not(this.$element):this.colliders=a(b)},a.fn.collision=function(a,c){return new b(this,a,c)},b}),function(a){a.delay=function(a,b){var c=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return a.apply(null,c)},b)},a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var j=function(){e=null,g&&a.apply(c,d),i()};return e||(e=setTimeout(j,b)),f?g=!0:h=a.apply(c,d),i(),f=!0,h}}}(window),function(a,b){"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],b):a.GridsterDraggable=b(a.$||a.jQuery)}(this,function(a){function b(b,e){this.options=a.extend({},d,e),this.$document=a(document),c=e.window||a(window),this.$container=a(b),this.$dragitems=a(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=i(),this.ns=".gridster-draggable-"+this.id,this.init()}var c,d={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=d;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),c.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),a.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,a.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,a.proxy(function(a){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(a))},this))},j.get_actual_pos=function(a){var b=a.position();return b},j.get_mouse_pos=function(a){if(a.originalEvent&&a.originalEvent.touches){var b=a.originalEvent;a=b.touches.length?b.touches[0]:b.changedTouches[0]}return{left:a.clientX,top:a.clientY}},j.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),d=Math.round(b.left-this.mouse_init_pos.left),e=Math.round(b.top-this.mouse_init_pos.top),f=Math.round(this.el_init_offset.left+d-this.baseX+c.scrollLeft()-this.win_offset_x),g=Math.round(this.el_init_offset.top+e-this.baseY+c.scrollTop()-this.win_offset_y);return this.options.limit&&(f>this.player_max_left?f=this.player_max_left:f<this.player_min_left&&(f=this.player_min_left)),{position:{left:f,top:g},pointer:{left:b.left,top:b.top,diff_left:d+(c.scrollLeft()-this.win_offset_x),diff_top:e+(c.scrollTop()-this.win_offset_y)}}},j.get_drag_data=function(a){var b=this.get_offset(a);return b.$player=this.$player,b.$helper=this.helper?this.$helper:this.$player,b},j.set_limits=function(a){return 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this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging===!0&&c.on_dragmove.call(c,a),!1):!1}),f?void 0:!1}},j.on_dragstart=function(a){if(a.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var b=this.$container.offset();return this.baseX=Math.round(b.left),this.baseY=Math.round(b.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=c.scrollTop(),this.win_offset_x=c.scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,a,this.get_drag_data(a)),!1},j.on_dragmove=function(a){var b=this.get_drag_data(a);this.options.autoscroll&&this.manage_scroll(b),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.position.left,top:b.position.top});var c=this.last_position||b.position;return b.prev_position=c,this.options.drag&&this.options.drag.call(this.$player,a,b),this.last_position=b.position,!1},j.on_dragstop=function(a){var b=this.get_drag_data(a);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,a,b),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},j.on_select_start=function(a){return this.disabled||this.ignore_drag(a)?void 0:!1},j.enable=function(){this.disabled=!1},j.disable=function(){this.disabled=!0},j.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),c.off(this.ns),a.removeData(this.$container,"drag")},j.ignore_drag=function(b){return this.options.handle?!a(b.target).is(this.options.handle):a.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(b):a(b.target).is(this.options.ignore_dragging.join(", "))},a.fn.drag=function(a){return new b(this,a)},b}),function(a,b){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],b):a.Gridster=b(a.$||a.jQuery,a.GridsterDraggable,a.GridsterCollision)}(this,function(a,b){function c(b,c){this.options=a.extend(!0,{},d,c),this.$el=a(b),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=a([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=a([]),this.options.auto_init&&this.init()}var d={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(a,b){return{col:b.col,row:b.row,size_x:b.size_x,size_y:b.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:b.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};c.defaults=d,c.generated_stylesheets=[],c.sort_by_row_asc=function(b){return b=b.sort(function(b,c){return b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b.row>c.row?1:-1})},c.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},c.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a.col>b.col?1:-1})},c.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a.row+a.size_y<b.row+b.size_y?1:-1})};var e=c.prototype;return e.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),a(window).bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},e.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},e.enable=function(){return this.drag_api.enable(),this},e.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},e.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},e.add_widget=function(b,c,d,e,f,g,h){var i;c||(c=1),d||(d=1),!e&!f?i=this.next_position(c,d):(i={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d));var j=a(b).attr({"data-col":i.col,"data-row":i.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(j),this.register_widget(j),this.add_faux_rows(i.size_y),g&&this.set_widget_max_size(j,g),h&&this.set_widget_min_size(j,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width),j.fadeIn()},e.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},e.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},e.add_resize_handle=function(b){var c=this.options.resize.handle_append_to;return a(this.resize_handle_tpl).appendTo(c?a(c,b):b),this},e.resize_widget=function(a,b,c,d){var e=a.coords().grid,f=e.col,g=this.options.max_cols,h=e.size_y,i=e.col,j=i;b||(b=e.size_x),c||(c=e.size_y),1/0!==g&&(b=Math.min(b,g-f+1)),c>h&&this.add_faux_rows(Math.max(c-h,0));var k=f+b-1;k>this.cols&&this.add_faux_cols(k-this.cols);var l={col:j,row:e.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},e.mutate_widget_in_gridmap=function(b,c,d){var e=(c.size_x,c.size_y),f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*this.options.widget_base_dimensions[0]+(d.size_x-1)*this.options.widget_margins[0]*2,height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]*2}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h.length,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},e.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d).coords().grid;if(f.row<=c+e-1){var g=c+e-f.row;this.move_widget_down(a(d),g)}},this)),this.set_dom_grid_height(),this},e.remove_empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,c){this.move_widget_up(a(c),e)},this)),this.set_dom_grid_height(),this},e.next_position=function(a,b){a||(a=1),b||(b=1);for(var d,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){d=e[h].length;for(var i=1;d>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?c.sort_by_row_and_col_asc(g)[0]:!1},e.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},e.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},e.serialize=function(b){return b||(b=this.$widgets),b.map(a.proxy(function(b,c){var d=a(c);return this.options.serialize_params(d,d.coords().grid)},this)).get()},e.serialize_changed=function(){return this.serialize(this.$changed)},e.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},e.register_widget=function(b){var c=b instanceof jQuery,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);return f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)&&(a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0),b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},e.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},e.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},e.add_to_gridmap=function(b,c){if(this.update_widget_position(b,c||b.el),b.el){var d=this.widgets_below(b.el);d.each(a.proxy(function(b,c){this.move_widget_up(a(c))},this))}},e.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(c),this},e.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},e.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},e.on_start_drag=function(b,c){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.autogrow_cols&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},e.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.autogrow_cols){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},e.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},e.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},e.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},e.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.autogrow_cols,o=1/0,p=1/0,q=Math.ceil(d/(f+2*h)-.2),r=Math.ceil(e/(g+2*i)-.2),s=Math.max(1,this.resize_initial_sizex+q),t=Math.max(1,this.resize_initial_sizey+r),u=this.container_width/this.min_widget_width-this.resize_initial_col+1,v=u*this.min_widget_width-2*h;if(s=Math.max(Math.min(s,j),k),s=Math.min(u,s),c=j*f+(s-1)*h*2,o=Math.min(c,v),min_width=k*f+(s-1)*h*2,t=Math.max(Math.min(t,l),m),p=l*g+(t-1)*i*2,min_height=m*g+(t-1)*i*2,this.resize_dir.right?t=this.resize_initial_sizey:this.resize_dir.bottom&&(s=this.resize_initial_sizex),n){var w=this.resize_initial_col+s-1;n&&this.resize_initial_last_col<=w&&(this.set_dom_grid_width(Math.max(w+1,this.cols)),this.cols<w&&this.add_faux_cols(w-this.cols))}var x={};!this.resize_dir.bottom&&(x.width=Math.max(Math.min(this.resize_initial_width+d,o),min_width)),!this.resize_dir.right&&(x.height=Math.max(Math.min(this.resize_initial_height+e,p),min_height)),this.$resized_widget.css(x),(s!==this.resize_last_sizex||t!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,s,t),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":s,"data-sizey":t})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=s,this.resize_last_sizey=t},e.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},e.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},e.set_player=function(a,b,c){var d=this;c||this.empty_cells_player_occupies();var e=c?{col:a}:d.colliders_data[0].el.data,f=e.col,g=b||e.row;this.player_grid_data={col:f,row:g,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),i=this.widgets_constraints(h);if(this.manage_movements(i.can_go_up,f,g),this.manage_movements(i.can_not_go_up,f,g),!h.length){var j=this.can_go_player_up(this.player_grid_data);j!==!1&&(g=j),this.set_placeholder(f,g)}return{col:f,row:g}},e.widgets_constraints=function(b){var d,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),d=b.not(e),{can_go_up:c.sort_by_row_asc(f),can_not_go_up:c.sort_by_row_desc(g)}},e.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.move_widget_down(f,i),this.set_placeholder(c,d)}}},this)),this},e.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},e.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},e.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},e.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},e.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},e.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},e.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},e.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},e.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},e.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(c,e){this.move_widget_up(a(e),this.placeholder_grid_data.col-b+d.size_y)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},e.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b
+})}),c?this.get_valid_rows(a,d,e):!1},e.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},e.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},e.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},e.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},e.on_start_overlapping_column=function(a){this.set_player(a,!1)},e.on_start_overlapping_row=function(a){this.set_player(!1,a)},e.on_stop_overlapping_column=function(a){this.set_player(a,!1);var b=this;this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(){b.move_widget_up(this,b.player_grid_data.size_y)})},e.on_stop_overlapping_row=function(a){this.set_player(!1,a);for(var b=this,c=this.cells_occupied_by_player.cols,d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(){b.move_widget_up(this,b.player_grid_data.size_y)})},e.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=(c-e.row,this.widgets_below(b)),g=this.can_move_to(e,e.col,c,b);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},e.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;var i=this.widgets_below(b);this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b),i.each(a.proxy(function(b,d){this.move_widget_up(a(d),c)},this))}}):!1},e.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},e.can_go_up_to_row=function(b,c,d){var e,f=this.gridmap,g=!0,h=[],i=b.row;if(this.for_each_column_occupied(b,function(a){f[a];for(h[a]=[],e=i;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)h[a].push(e);return h[a].length?void 0:(g=!1,!0)}),!g)return!1;for(e=d,e=1;i>e;e++){for(var j=!0,k=0,l=h.length;l>k;k++)h[k]&&-1===a.inArray(e,h[k])&&(j=!1);if(j===!0){g=e;break}}return g},e.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},e.widgets_below=function(b){var d=a.isPlainObject(b)?b:b.coords().grid,e=this,f=(this.gridmap,d.row+d.size_y-1),g=a([]);return this.for_each_column_occupied(d,function(b){e.for_each_widget_below(b,f,function(){return e.is_player(this)||-1!==a.inArray(this,g)?void 0:(g=g.add(this),!0)})}),c.sort_by_row_asc(g)},e.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},e.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},e.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=(this.gridmap,!0);return 1===c?!1:(this.for_each_column_occupied(b,function(a){this.is_widget(a,d);return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},e.can_move_to=function(a,b,c,d){var e=(this.gridmap,a.el),f={size_y:a.size_y,size_x:a.size_x,col:b,row:c},g=!0,h=b+a.size_x-1;return h>this.cols?!1:d&&d<c+a.size_y-1?!1:(this.for_each_cell_occupied(f,function(b,c){var d=this.is_widget(b,c);!d||a.el&&!d.is(e)||(g=!1)}),g)},e.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},e.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},e.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},e.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},e.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},e.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},e._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){for(;m--&&!(m>0&&this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]),h)););},"for_each/below":function(){for(m=e+1,i=g[d].length;i>m&&(!this.is_widget(d,m)||-1!==a.inArray(g[d][m],l)||(h=f.call(g[d][m],d,m),l.push(g[d][m]),!h));m++);}};n[j]&&n[j].call(this)}},e.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},e.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},e.get_highest_occupied_cell=function(){for(var a,b=this.gridmap,c=b[1].length,d=[],e=[],f=b.length-1;f>=1;f--)for(a=c-1;a>=1;a--)if(this.is_widget(f,a)){d.push(a),e.push(f);break}return{col:Math.max.apply(Math,e),row:Math.max.apply(Math,d)}},e.get_widgets_from=function(b,c){var d=(this.gridmap,a());return b&&(d=d.add(this.$widgets.filter(function(){var c=a(this).attr("data-col");return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=a(this).attr("data-row");return b===c||b>c}))),d},e.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},e.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.autogrow_cols?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=a*this.min_widget_width,this.$el.css("width",this.container_width),this},e.generate_stylesheet=function(b){var d,e="",f=this.options.max_size_x||this.cols;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),b.min_widget_width=2*b.widget_margins[0]+b.widget_base_dimensions[0],b.min_widget_height=2*b.widget_margins[1]+b.widget_base_dimensions[1];var g=a.param(b);if(a.inArray(g,c.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),c.generated_stylesheets.push(g),d=b.cols;d>=0;d--)e+=b.namespace+' [data-col="'+(d+1)+'"] { left:'+(d*b.widget_base_dimensions[0]+d*b.widget_margins[0]+(d+1)*b.widget_margins[0])+"px; }\n";for(d=b.rows;d>=0;d--)e+=b.namespace+' [data-row="'+(d+1)+'"] { top:'+(d*b.widget_base_dimensions[1]+d*b.widget_margins[1]+(d+1)*b.widget_margins[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(h*b.widget_base_dimensions[1]+2*(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;f>=i;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(i*b.widget_base_dimensions[0]+2*(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},e.add_style_tag=function(a){var b=document,c=b.createElement("style");return b.getElementsByTagName("head")[0].appendChild(c),c.setAttribute("type","text/css"),c.styleSheet?c.styleSheet.cssText=a:c.appendChild(document.createTextNode(a)),this.$style_tags=this.$style_tags.add(c),this},e.remove_style_tags=function(){var b=c.generated_stylesheets,d=this.generated_stylesheets;this.$style_tags.remove(),c.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,d)?b:void 0})},e.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},e.add_faux_cell=function(b,c){var d=a({left:this.baseX+(c-1)*this.min_widget_width,top:this.baseY+(b-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:c,row:b,original_col:c,original_row:b}).coords();return a.isArray(this.gridmap[c])||(this.gridmap[c]=[]),this.gridmap[c][b]=!1,this.faux_grid.push(d),this},e.add_faux_rows=function(a){for(var b=this.rows,c=b+(a||1),d=c;d>b;d--)for(var e=this.cols;e>=1;e--)this.add_faux_cell(d,e);return this.rows=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},e.add_faux_cols=function(a){var b=this.cols,c=b+(a||1);c=Math.min(c,this.options.max_cols);for(var d=b+1;c>=d;d++)for(var e=this.rows;e>=1;e--)this.add_faux_cell(e,d);return this.cols=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},e.recalculate_faux_grid=function(){var b=this.$wrapper.width();return this.baseX=(a(window).width()-b)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this},e.get_widgets_from_DOM=function(){var b=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));b=c.sort_by_row_and_col_asc(b);var d=a(b).map(a.proxy(function(a,b){return this.register_widget(b)||null},this));return d.length&&this.$el.trigger("gridster:positionschanged"),this},e.generate_grid_and_stylesheet=function(){var b=this.$wrapper.width(),c=this.options.max_cols,d=Math.floor(b/this.min_widget_width)+this.options.extra_cols,e=this.$widgets.map(function(){return a(this).attr("data-col")}).get();e.length||(e=[0]);var f=Math.max.apply(Math,e);this.cols=Math.max(f,d,this.options.min_cols),1/0!==c&&(this.cols=c);var g=this.options.extra_rows;return this.$widgets.each(function(b,c){g+=+a(c).attr("data-sizey")}),this.rows=Math.max(g,this.options.min_rows),this.baseX=(a(window).width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},e.destroy=function(b){return this.$el.removeData("gridster"),a(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){a(this).data("gridster")||a(this).data("gridster",new c(this,b))})},c});
\ No newline at end of file
diff --git a/dist/jquery.gridster.with-extras.js b/dist/jquery.gridster.with-extras.js
index d8e8e1f7..5b3c1895 100644
--- a/dist/jquery.gridster.with-extras.js
+++ b/dist/jquery.gridster.with-extras.js
@@ -1,6 +1,6 @@
-/*! gridster.js - v0.5.6 - 2014-09-25
+/*! gridster.js - v0.6.0 - 2015-04-16
 * http://gridster.net/
-* Copyright (c) 2014 ducksboard; Licensed MIT */
+* Copyright (c) 2015 ducksboard; Licensed MIT */
 
 ;(function(root, factory) {
 
@@ -455,7 +455,7 @@
         // stop : function(e) {}
     };
 
-    var $window = $(window);
+    var $window;
     var dir_map = { x : 'left', y : 'top' };
     var isTouch = !!('ontouchstart' in window);
 
@@ -466,7 +466,7 @@
     var idCounter = 0;
     var uniqId = function() {
         return ++idCounter + '';
-    }
+    };
 
     /**
     * Basic drag implementation for DOM elements inside a container.
@@ -500,6 +500,7 @@
     function Draggable(el, options) {
       this.options = $.extend({}, defaults, options);
       this.$document = $(document);
+      $window = options.window || $(window);
       this.$container = $(el);
       this.$dragitems = $(this.options.items, this.$container);
       this.is_dragging = false;
@@ -520,7 +521,7 @@
         this.disabled = false;
         this.events();
 
-        $(window).bind(this.nsEvent('resize'),
+        $window.bind(this.nsEvent('resize'),
             throttle($.proxy(this.calculate_dimensions, this), 200));
     };
 
@@ -578,9 +579,9 @@
         var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top);
 
         var left = Math.round(this.el_init_offset.left +
-            diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x);
+            diff_x - this.baseX + $window.scrollLeft() - this.win_offset_x);
         var top = Math.round(this.el_init_offset.top +
-            diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y);
+            diff_y - this.baseY + $window.scrollTop() - this.win_offset_y);
 
         if (this.options.limit) {
             if (left > this.player_max_left) {
@@ -598,8 +599,8 @@
             pointer: {
                 left: mouse_actual_pos.left,
                 top: mouse_actual_pos.top,
-                diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x),
-                diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y)
+                diff_left: diff_x + ($window.scrollLeft() - this.win_offset_x),
+                diff_top: diff_y + ($window.scrollTop() - this.win_offset_y)
             }
         };
     };
@@ -747,8 +748,8 @@
             this.helper = false;
         }
 
-        this.win_offset_y = $(window).scrollTop();
-        this.win_offset_x = $(window).scrollLeft();
+        this.win_offset_y = $window.scrollTop();
+        this.win_offset_x = $window.scrollLeft();
         this.scroll_offset_y = 0;
         this.scroll_offset_x = 0;
         this.el_init_offset = this.$player.offset();
@@ -827,7 +828,7 @@
 
         this.$container.off(this.ns);
         this.$document.off(this.ns);
-        $(window).off(this.ns);
+        $window.off(this.ns);
 
         $.removeData(this.$container, 'drag');
     };
@@ -3926,7 +3927,7 @@
 
         this.cols = Math.max(min_cols, cols, this.options.min_cols);
 
-        if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) {
+        if (max_cols !== Infinity) {
             this.cols = max_cols;
         }
 
diff --git a/dist/jquery.gridster.with-extras.min.js b/dist/jquery.gridster.with-extras.min.js
index 1ebb2b25..44149256 100644
--- a/dist/jquery.gridster.with-extras.min.js
+++ b/dist/jquery.gridster.with-extras.min.js
@@ -1,2 +1,2 @@
-/*! gridster.js - v0.5.6 - 2014-09-25 - * http://gridster.net/ - Copyright (c) 2014 ducksboard; Licensed MIT */ (function(t,i){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],i):t.GridsterCoords=i(t.$||t.jQuery)})(this,function(t){function i(i){return i[0]&&t.isPlainObject(i[0])?this.data=i[0]:this.el=i,this.isCoords=!0,this.coords={},this.init(),this}var e=i.prototype;return e.init=function(){this.set(),this.original_coords=this.get()},e.set=function(t,i){var e=this.el;if(e&&!t&&(this.data=e.offset(),this.data.width=e.width(),this.data.height=e.height()),e&&t&&!i){var s=e.offset();this.data.top=s.top,this.data.left=s.left}var r=this.data;return r.left===void 0&&(r.left=r.x1),r.top===void 0&&(r.top=r.y1),this.coords.x1=r.left,this.coords.y1=r.top,this.coords.x2=r.left+r.width,this.coords.y2=r.top+r.height,this.coords.cx=r.left+r.width/2,this.coords.cy=r.top+r.height/2,this.coords.width=r.width,this.coords.height=r.height,this.coords.el=e||!1,this},e.update=function(i){if(!i&&!this.el)return this;if(i){var e=t.extend({},this.data,i);return this.data=e,this.set(!0,!0)}return this.set(!0),this},e.get=function(){return this.coords},e.destroy=function(){this.el.removeData("coords"),delete this.el},t.fn.coords=function(){if(this.data("coords"))return this.data("coords");var t=new i(this,arguments[0]);return this.data("coords",t),t},i}),function(t,i){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],i):t.GridsterCollision=i(t.$||t.jQuery,t.GridsterCoords)}(this,function(t){function i(i,s,r){this.options=t.extend(e,r),this.$element=i,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(s),this.init()}var e={colliders_context:document.body,overlapping_region:"C"};i.defaults=e;var s=i.prototype;return s.init=function(){this.find_collisions()},s.overlaps=function(t,i){var e=!1,s=!1;return(i.x1>=t.x1&&i.x1<=t.x2||i.x2>=t.x1&&i.x2<=t.x2||t.x1>=i.x1&&t.x2<=i.x2)&&(e=!0),(i.y1>=t.y1&&i.y1<=t.y2||i.y2>=t.y1&&i.y2<=t.y2||t.y1>=i.y1&&t.y2<=i.y2)&&(s=!0),e&&s},s.detect_overlapping_region=function(t,i){var e="",s="";return t.y1>i.cy&&t.y1<i.y2&&(e="N"),t.y2>i.y1&&t.y2<i.cy&&(e="S"),t.x1>i.cx&&t.x1<i.x2&&(s="W"),t.x2>i.x1&&t.x2<i.cx&&(s="E"),e+s||"C"},s.calculate_overlapped_area_coords=function(i,e){var s=Math.max(i.x1,e.x1),r=Math.max(i.y1,e.y1),o=Math.min(i.x2,e.x2),a=Math.min(i.y2,e.y2);return t({left:s,top:r,width:o-s,height:a-r}).coords().get()},s.calculate_overlapped_area=function(t){return t.width*t.height},s.manage_colliders_start_stop=function(i,e,s){for(var r=this.last_colliders_coords,o=0,a=r.length;a>o;o++)-1===t.inArray(r[o],i)&&e.call(this,r[o]);for(var n=0,h=i.length;h>n;n++)-1===t.inArray(i[n],r)&&s.call(this,i[n])},s.find_collisions=function(i){for(var e=this,s=this.options.overlapping_region,r=[],o=[],a=this.colliders||this.$colliders,n=a.length,h=e.$element.coords().update(i||!1).get();n--;){var _=e.$colliders?t(a[n]):a[n],d=_.isCoords?_:_.coords(),l=d.get(),c=e.overlaps(h,l);if(c){var p=e.detect_overlapping_region(h,l);if(p===s||"all"===s){var g=e.calculate_overlapped_area_coords(h,l),u=e.calculate_overlapped_area(g),f={area:u,area_coords:g,region:p,coords:l,player_coords:h,el:_};e.options.on_overlap&&e.options.on_overlap.call(this,f),r.push(d),o.push(f)}}}return(e.options.on_overlap_stop||e.options.on_overlap_start)&&this.manage_colliders_start_stop(r,e.options.on_overlap_start,e.options.on_overlap_stop),this.last_colliders_coords=r,o},s.get_closest_colliders=function(t){var i=this.find_collisions(t);return i.sort(function(t,i){return"C"===t.region&&"C"===i.region?t.coords.y1<i.coords.y1||t.coords.x1<i.coords.x1?-1:1:t.area<i.area?1:1}),i},s.set_colliders=function(i){"string"==typeof i||i instanceof t?this.$colliders=t(i,this.options.colliders_context).not(this.$element):this.colliders=t(i)},t.fn.collision=function(t,e){return new i(this,t,e)},i}),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){"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],i):t.GridsterDraggable=i(t.$||t.jQuery)}(this,function(t){function i(i,s){this.options=t.extend({},e,s),this.$document=t(document),this.$container=t(i),this.$dragitems=t(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=h(),this.ns=".gridster-draggable-"+this.id,this.init()}var e={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},s=t(window),r={x:"left",y:"top"},o=!!("ontouchstart"in window),a=function(t){return t.charAt(0).toUpperCase()+t.slice(1)},n=0,h=function(){return++n+""};i.defaults=e;var _=i.prototype;return _.init=function(){var i=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===i?"relative":i),this.disabled=!1,this.events(),t(window).bind(this.nsEvent("resize"),throttle(t.proxy(this.calculate_dimensions,this),200))},_.nsEvent=function(t){return(t||"")+this.ns},_.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),t.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,t.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,t.proxy(function(t){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(t))},this))},_.get_actual_pos=function(t){var i=t.position();return i},_.get_mouse_pos=function(t){if(t.originalEvent&&t.originalEvent.touches){var i=t.originalEvent;t=i.touches.length?i.touches[0]:i.changedTouches[0]}return{left:t.clientX,top:t.clientY}},_.get_offset=function(i){i.preventDefault();var e=this.get_mouse_pos(i),s=Math.round(e.left-this.mouse_init_pos.left),r=Math.round(e.top-this.mouse_init_pos.top),o=Math.round(this.el_init_offset.left+s-this.baseX+t(window).scrollLeft()-this.win_offset_x),a=Math.round(this.el_init_offset.top+r-this.baseY+t(window).scrollTop()-this.win_offset_y);return this.options.limit&&(o>this.player_max_left?o=this.player_max_left:this.player_min_left>o&&(o=this.player_min_left)),{position:{left:o,top:a},pointer:{left:e.left,top:e.top,diff_left:s+(t(window).scrollLeft()-this.win_offset_x),diff_top:r+(t(window).scrollTop()-this.win_offset_y)}}},_.get_drag_data=function(t){var i=this.get_offset(t);return i.$player=this.$player,i.$helper=this.helper?this.$helper:this.$player,i},_.set_limits=function(t){return t||(t=this.$container.width()),this.player_max_left=t-this.player_width+-this.options.offset_left,this.options.container_width=t,this},_.scroll_in=function(i,e){var o,n=r[i],h=50,_=30,d="x"===i,l=d?this.window_width:this.window_height,c=d?t(document).width():t(document).height(),p=d?this.$player.width():this.$player.height(),g=s["scroll"+a(n)](),u=g,f=u+l,w=f-h,m=u+h,y=u+e.pointer[n],v=c-l+p;return y>=w&&(o=g+_,v>o&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]+=_)),m>=y&&(o=g-_,o>0&&(s["scroll"+a(n)](o),this["scroll_offset_"+i]-=_)),this},_.manage_scroll=function(t){this.scroll_in("x",t),this.scroll_in("y",t)},_.calculate_dimensions=function(){this.window_height=s.height(),this.window_width=s.width()},_.drag_handler=function(i){if(i.target.nodeName,!this.disabled&&(1===i.which||o)&&!this.ignore_drag(i)){var e=this,s=!0;return this.$player=t(i.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(i),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(t){var i=e.get_mouse_pos(t),r=Math.abs(i.left-e.mouse_init_pos.left),o=Math.abs(i.top-e.mouse_init_pos.top);return r>e.options.distance||o>e.options.distance?s?(s=!1,e.on_dragstart.call(e,t),!1):(e.is_dragging===!0&&e.on_dragmove.call(e,t),!1):!1}),o?void 0:!1}},_.on_dragstart=function(i){if(i.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var e=this.$container.offset();return this.baseX=Math.round(e.left),this.baseY=Math.round(e.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=t(window).scrollTop(),this.win_offset_x=t(window).scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,i,this.get_drag_data(i)),!1},_.on_dragmove=function(t){var i=this.get_drag_data(t);this.options.autoscroll&&this.manage_scroll(i),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:i.position.left,top:i.position.top});var e=this.last_position||i.position;return i.prev_position=e,this.options.drag&&this.options.drag.call(this.$player,t,i),this.last_position=i.position,!1},_.on_dragstop=function(t){var i=this.get_drag_data(t);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,t,i),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},_.on_select_start=function(t){return this.disabled||this.ignore_drag(t)?void 0:!1},_.enable=function(){this.disabled=!1},_.disable=function(){this.disabled=!0},_.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),t(window).off(this.ns),t.removeData(this.$container,"drag")},_.ignore_drag=function(i){return this.options.handle?!t(i.target).is(this.options.handle):t.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(i):t(i.target).is(this.options.ignore_dragging.join(", "))},t.fn.drag=function(t){return new i(this,t)},i}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],i):t.Gridster=i(t.$||t.jQuery,t.GridsterDraggable,t.GridsterCollision)}(this,function(t,i){function e(i,e){this.options=t.extend(!0,{},s,e),this.$el=t(i),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=t([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=t([]),this.options.auto_init&&this.init()}var s={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(t,i){return{col:i.col,row:i.row,size_x:i.size_x,size_y:i.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:i.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};e.defaults=s,e.generated_stylesheets=[],e.sort_by_row_asc=function(i){return i=i.sort(function(i,e){return i.row||(i=t(i).coords().grid,e=t(e).coords().grid),i.row>e.row?1:-1})},e.sort_by_row_and_col_asc=function(t){return t=t.sort(function(t,i){return t.row>i.row||t.row===i.row&&t.col>i.col?1:-1})},e.sort_by_col_asc=function(t){return t=t.sort(function(t,i){return t.col>i.col?1:-1})},e.sort_by_row_desc=function(t){return t=t.sort(function(t,i){return t.row+t.size_y<i.row+i.size_y?1:-1})};var r=e.prototype;return r.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.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),t(window).bind("resize.gridster",throttle(t.proxy(this.recalculate_faux_grid,this),200))},r.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},r.enable=function(){return this.drag_api.enable(),this},r.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},r.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},r.add_widget=function(i,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,size_x:e,size_y:s},this.empty_cells(r,o,e,s));var _=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.$widgets.add(_),this.register_widget(_),this.add_faux_rows(h.size_y),a&&this.set_widget_max_size(_,a),n&&this.set_widget_min_size(_,n),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width),_.fadeIn()},r.set_widget_min_size=function(t,i){if(t="number"==typeof t?this.$widgets.eq(t):t,!t.length)return this;var e=t.data("coords").grid;return e.min_size_x=i[0],e.min_size_y=i[1],this},r.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},r.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},r.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},r.mutate_widget_in_gridmap=function(i,e,s){e.size_x;var r=e.size_y,o=this.get_cells_occupied(e),a=this.get_cells_occupied(s),n=[];t.each(o.cols,function(i,e){-1===t.inArray(e,a.cols)&&n.push(e)});var h=[];t.each(a.cols,function(i,e){-1===t.inArray(e,o.cols)&&h.push(e)});var _=[];t.each(o.rows,function(i,e){-1===t.inArray(e,a.rows)&&_.push(e)});var d=[];if(t.each(a.rows,function(i,e){-1===t.inArray(e,o.rows)&&d.push(e)}),this.remove_from_gridmap(e),h.length){var l=[s.col,s.row,s.size_x,Math.min(r,s.size_y),i];this.empty_cells.apply(this,l)}if(d.length){var c=[s.col,s.row,s.size_x,s.size_y,i];this.empty_cells.apply(this,c)}if(e.col=s.col,e.row=s.row,e.size_x=s.size_x,e.size_y=s.size_y,this.add_to_gridmap(s,i),i.removeClass("player-revert"),i.data("coords").update({width:s.size_x*this.options.widget_base_dimensions[0]+2*(s.size_x-1)*this.options.widget_margins[0],height:s.size_y*this.options.widget_base_dimensions[1]+2*(s.size_y-1)*this.options.widget_margins[1]}),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),n.length){var p=[n[0],s.row,n.length,Math.min(r,s.size_y),i];this.remove_empty_cells.apply(this,p)}if(_.length){var g=[s.col,s.row,s.size_x,s.size_y,i];this.remove_empty_cells.apply(this,g)}return this.move_widget_up(i),this},r.empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e-r,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,s){var o=t(s).coords().grid;if(e+r-1>=o.row){var a=e+r-o.row;this.move_widget_down(t(s),a)}},this)),this.set_dom_grid_height(),this},r.remove_empty_cells=function(i,e,s,r,o){var a=this.widgets_below({col:i,row:e,size_x:s,size_y:r});return a.not(o).each(t.proxy(function(i,e){this.move_widget_up(t(e),r)},this)),this.set_dom_grid_height(),this},r.next_position=function(t,i){t||(t=1),i||(i=1);for(var s,r=this.gridmap,o=r.length,a=[],n=1;o>n;n++){s=r[n].length;for(var h=1;s>=h;h++){var _=this.can_move_to({size_x:t,size_y:i},n,h);_&&a.push({col:n,row:h,size_y:i,size_x:t})}}return a.length?e.sort_by_row_and_col_asc(a)[0]:!1},r.remove_widget=function(i,e,s){var r=i instanceof t?i:t(i),o=r.coords().grid;t.isFunction(e)&&(s=e,e=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(r);var a=this.widgets_below(r);return this.remove_from_gridmap(o),r.fadeOut(t.proxy(function(){r.remove(),e||a.each(t.proxy(function(i,e){this.move_widget_up(t(e),o.size_y)},this)),this.set_dom_grid_height(),s&&s.call(this,i)},this)),this},r.remove_all_widgets=function(i){return this.$widgets.each(t.proxy(function(t,e){this.remove_widget(e,!0,i)},this)),this},r.serialize=function(i){return i||(i=this.$widgets),i.map(t.proxy(function(i,e){var s=t(e);return this.options.serialize_params(s,s.coords().grid)},this)).get()},r.serialize_changed=function(){return this.serialize(this.$changed)},r.dom_to_coords=function(t){return{col:parseInt(t.attr("data-col"),10),row:parseInt(t.attr("data-row"),10),size_x:parseInt(t.attr("data-sizex"),10)||1,size_y:parseInt(t.attr("data-sizey"),10)||1,max_size_x:parseInt(t.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(t.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(t.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(t.attr("data-min-sizey"),10)||!1,el:t}},r.register_widget=function(i){var e=i instanceof jQuery,s=e?this.dom_to_coords(i):i,r=!1;e||(i=s.el);var o=this.can_go_widget_up(s);return o&&(s.row=o,i.attr("data-row",o),this.$el.trigger("gridster:positionchanged",[s]),r=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:s.size_x,size_y:s.size_y},s.col,s.row)&&(t.extend(s,this.next_position(s.size_x,s.size_y)),i.attr({"data-col":s.col,"data-row":s.row,"data-sizex":s.size_x,"data-sizey":s.size_y}),r=!0),i.data("coords",i.coords()),i.data("coords").grid=s,this.add_to_gridmap(s,i),this.options.resize.enabled&&this.add_resize_handle(i),r},r.update_widget_position=function(t,i){return this.for_each_cell_occupied(t,function(t,e){return this.gridmap[t]?(this.gridmap[t][e]=i,void 0):this}),this},r.remove_from_gridmap=function(t){return this.update_widget_position(t,!1)},r.add_to_gridmap=function(i,e){if(this.update_widget_position(i,e||i.el),i.el){var s=this.widgets_below(i.el);s.each(t.proxy(function(i,e){this.move_widget_up(t(e))},this))}},r.draggable=function(){var i=this,e=t.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(e,s){i.$widgets.filter(".player-revert").removeClass("player-revert"),i.$player=t(this),i.$helper=t(s.$helper),i.helper=!i.$helper.is(i.$player),i.on_start_drag.call(i,e,s),i.$el.trigger("gridster:dragstart")},stop:function(t,e){i.on_stop_drag.call(i,t,e),i.$el.trigger("gridster:dragstop")},drag:throttle(function(t,e){i.on_drag.call(i,t,e),i.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(e),this},r.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:t.proxy(this.on_start_resize,this),stop:t.proxy(function(i,e){delay(t.proxy(function(){this.on_stop_resize(i,e)},this),120)},this),drag:throttle(t.proxy(this.on_resize,this),60)}),this},r.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var i=this.options.resize.axes,e='<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(""),t.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},r.on_start_drag=function(i,e){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=t.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var s=this.player_grid_data.size_x,r=this.cols-this.highest_col;this.options.autogrow_cols&&s>=r&&this.add_faux_cols(Math.min(s-r,1));var o=this.faux_grid,a=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(o,this.options.collision),this.$preview_holder=t("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:a.width,height:a.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,i,e)},r.on_drag=function(t,i){if(null===this.$player)return!1;var e={left:i.position.left+this.baseX,top:i.position.top+this.baseY};if(this.options.autogrow_cols){var s=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;s>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(e),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:i.position.left,top:i.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,t,i)},r.on_stop_drag=function(t,i){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),i.position.left=i.position.left+this.baseX,i.position.top=i.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(i.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,t,i),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_start_resize=function(i,e){this.$resized_widget=e.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:e.$player.is("."+this.resize_handle_class+"-x"),bottom:e.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var s=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=t("<"+s+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestart")},r.on_stop_resize=function(i,e){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(t.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,i,e,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},r.on_resize=function(t,i){var e,s=i.pointer.diff_left,r=i.pointer.diff_top,o=this.options.widget_base_dimensions[0],a=this.options.widget_base_dimensions[1],n=this.options.widget_margins[0],h=this.options.widget_margins[1],_=this.resize_max_size_x,d=this.resize_min_size_x,l=this.resize_max_size_y,c=this.resize_min_size_y,p=this.options.autogrow_cols,g=1/0,u=1/0,f=Math.ceil(s/(o+2*n)-.2),w=Math.ceil(r/(a+2*h)-.2),m=Math.max(1,this.resize_initial_sizex+f),y=Math.max(1,this.resize_initial_sizey+w),v=this.container_width/this.min_widget_width-this.resize_initial_col+1,z=v*this.min_widget_width-2*n;if(m=Math.max(Math.min(m,_),d),m=Math.min(v,m),e=_*o+2*(m-1)*n,g=Math.min(e,z),min_width=d*o+2*(m-1)*n,y=Math.max(Math.min(y,l),c),u=l*a+2*(y-1)*h,min_height=c*a+2*(y-1)*h,this.resize_dir.right?y=this.resize_initial_sizey:this.resize_dir.bottom&&(m=this.resize_initial_sizex),p){var x=this.resize_initial_col+m-1;p&&x>=this.resize_initial_last_col&&(this.set_dom_grid_width(Math.max(x+1,this.cols)),x>this.cols&&this.add_faux_cols(x-this.cols))}var $={};!this.resize_dir.bottom&&($.width=Math.max(Math.min(this.resize_initial_width+s,g),min_width)),!this.resize_dir.right&&($.height=Math.max(Math.min(this.resize_initial_height+r,u),min_height)),this.$resized_widget.css($),(m!==this.resize_last_sizex||y!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,m,y),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":m,"data-sizey":y})),this.options.resize.resize&&this.options.resize.resize.call(this,t,i,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=m,this.resize_last_sizey=y},r.on_overlapped_column_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_columns(this.colliders_data[0].el.data.col),o=this.last_cols.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_cols)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_cols[s],r)&&(e||t.noop).call(this,this.last_cols[s]);return this.last_cols=r,this},r.on_overlapped_row_change=function(i,e){if(!this.colliders_data.length)return this;var s,r=this.get_targeted_rows(this.colliders_data[0].el.data.row),o=this.last_rows.length,a=r.length;for(s=0;a>s;s++)-1===t.inArray(r[s],this.last_rows)&&(i||t.noop).call(this,r[s]);for(s=0;o>s;s++)-1===t.inArray(this.last_rows[s],r)&&(e||t.noop).call(this,this.last_rows[s]);this.last_rows=r},r.set_player=function(t,i,e){var s=this;e||this.empty_cells_player_occupies();var r=e?{col:t}:s.colliders_data[0].el.data,o=r.col,a=i||r.row;this.player_grid_data={col:o,row:a,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var n=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(n);if(this.manage_movements(h.can_go_up,o,a),this.manage_movements(h.can_not_go_up,o,a),!n.length){var _=this.can_go_player_up(this.player_grid_data);_!==!1&&(a=_),this.set_placeholder(o,a)}return{col:o,row:a}},r.widgets_constraints=function(i){var s,r=t([]),o=[],a=[];return i.each(t.proxy(function(i,e){var s=t(e),n=s.coords().grid;this.can_go_widget_up(n)?(r=r.add(s),o.push(n)):a.push(n)},this)),s=i.not(r),{can_go_up:e.sort_by_row_asc(o),can_not_go_up:e.sort_by_row_desc(a)}},r.manage_movements=function(i,e,s){return t.each(i,t.proxy(function(t,i){var r=i,o=r.el,a=this.can_go_widget_up(r);if(a)this.move_widget_to(o,a),this.set_placeholder(e,a+r.size_y);else{var n=this.can_go_player_up(this.player_grid_data);if(!n){var h=s+this.player_grid_data.size_y-r.row;this.move_widget_down(o,h),this.set_placeholder(e,s)}}},this)),this},r.is_player=function(t,i){if(i&&!this.gridmap[t])return!1;var e=i?this.gridmap[t][i]:t;return e&&(e.is(this.$player)||e.is(this.$helper))},r.is_player_in=function(i,e){var s=this.cells_occupied_by_player||{};return t.inArray(i,s.cols)>=0&&t.inArray(e,s.rows)>=0},r.is_placeholder_in=function(i,e){var s=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(i)&&t.inArray(e,s.rows)>=0},r.is_placeholder_in_col=function(i){var e=this.cells_occupied_by_placeholder||[];return t.inArray(i,e.cols)>=0},r.is_empty=function(t,i){return this.gridmap[t]!==void 0?this.gridmap[t][i]!==void 0&&this.gridmap[t][i]===!1?!0:!1:!0},r.is_occupied=function(t,i){return this.gridmap[t]?this.gridmap[t][i]?!0:!1:!1},r.is_widget=function(t,i){var e=this.gridmap[t];return e?(e=e[i],e?e:!1):!1},r.is_widget_under_player=function(t,i){return this.is_widget(t,i)?this.is_player_in(t,i):!1},r.get_widgets_under_player=function(i){i||(i=this.cells_occupied_by_player||{cols:[],rows:[]});var e=t([]);return t.each(i.cols,t.proxy(function(s,r){t.each(i.rows,t.proxy(function(t,i){this.is_widget(r,i)&&(e=e.add(this.gridmap[r][i]))},this))},this)),e},r.set_placeholder=function(i,e){var s=t.extend({},this.placeholder_grid_data),r=this.widgets_below({col:s.col,row:s.row,size_y:s.size_y,size_x:s.size_x}),o=i+s.size_x-1;o>this.cols&&(i-=o-i);var a=e>this.placeholder_grid_data.row,n=this.placeholder_grid_data.col!==i;this.placeholder_grid_data.col=i,this.placeholder_grid_data.row=e,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":e,"data-col":i}),(a||n)&&r.each(t.proxy(function(e,r){this.move_widget_up(t(r),this.placeholder_grid_data.col-i+s.size_y)},this));var h=this.get_widgets_under_player(this.cells_occupied_by_placeholder);h.length&&h.each(t.proxy(function(i,r){var o=t(r);this.move_widget_down(o,e+s.size_y-o.data("coords").grid.row)},this))},r.can_go_player_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4,o=this.get_widgets_under_player();return this.for_each_column_occupied(t,function(t){var a=this.gridmap[t],n=i+1;for(s[t]=[];--n>0&&(this.is_empty(t,n)||this.is_player(t,n)||this.is_widget(t,n)&&a[n].is(o));)s[t].push(n),r=r>n?n:r;return 0===s[t].length?(e=!1,!0):(s[t].sort(function(t,i){return t-i
-}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.can_go_widget_up=function(t){var i=t.row+t.size_y-1,e=!0,s=[],r=1e4;return this.for_each_column_occupied(t,function(o){var a=this.gridmap[o];s[o]=[];for(var n=i+1;--n>0&&(!this.is_widget(o,n)||this.is_player_in(o,n)||a[n].is(t.el));)this.is_player(o,n)||this.is_placeholder_in(o,n)||this.is_player_in(o,n)||s[o].push(n),r>n&&(r=n);return 0===s[o].length?(e=!1,!0):(s[o].sort(function(t,i){return t-i}),void 0)}),e?this.get_valid_rows(t,s,r):!1},r.get_valid_rows=function(i,e,s){for(var r=i.row,o=i.row+i.size_y-1,a=i.size_y,n=s-1,h=[];o>=++n;){var _=!0;if(t.each(e,function(i,e){t.isArray(e)&&-1===t.inArray(n,e)&&(_=!1)}),_===!0&&(h.push(n),h.length===a))break}var d=!1;return 1===a?h[0]!==r&&(d=h[0]||!1):h[0]!==r&&(d=this.get_consecutive_numbers_index(h,a)),d},r.get_consecutive_numbers_index=function(t,i){for(var e=t.length,s=[],r=!0,o=-1,a=0;e>a;a++){if(r||t[a]===o+1){if(s.push(a),s.length===i)break;r=!1}else s=[],r=!0;o=t[a]}return s.length>=i?t[s[0]]:!1},r.get_widgets_overlapped=function(){var i=t([]),e=[],s=this.cells_occupied_by_player.rows.slice(0);return s.reverse(),t.each(this.cells_occupied_by_player.cols,t.proxy(function(r,o){t.each(s,t.proxy(function(s,r){if(!this.gridmap[o])return!0;var a=this.gridmap[o][r];this.is_occupied(o,r)&&!this.is_player(a)&&-1===t.inArray(a,e)&&(i=i.add(a),e.push(a))},this))},this)),i},r.on_start_overlapping_column=function(t){this.set_player(t,!1)},r.on_start_overlapping_row=function(t){this.set_player(!1,t)},r.on_stop_overlapping_column=function(t){this.set_player(t,!1);var i=this;this.for_each_widget_below(t,this.cells_occupied_by_player.rows[0],function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.on_stop_overlapping_row=function(t){this.set_player(!1,t);for(var i=this,e=this.cells_occupied_by_player.cols,s=0,r=e.length;r>s;s++)this.for_each_widget_below(e[s],t,function(){i.move_widget_up(this,i.player_grid_data.size_y)})},r.move_widget_to=function(i,e){var s=this,r=i.coords().grid;e-r.row;var o=this.widgets_below(i),a=this.can_move_to(r,r.col,e,i);return a===!1?!1:(this.remove_from_gridmap(r),r.row=e,this.add_to_gridmap(r),i.attr("data-row",e),this.$changed=this.$changed.add(i),o.each(function(i,e){var r=t(e),o=r.coords().grid,a=s.can_go_widget_up(o);a&&a!==o.row&&s.move_widget_to(r,a)}),this)},r.move_widget_up=function(i,e){var s=i.coords().grid,r=s.row,o=[];return e||(e=1),this.can_go_up(i)?(this.for_each_column_occupied(s,function(s){if(-1===t.inArray(i,o)){var a=i.coords().grid,n=r-e;if(n=this.can_go_up_to_row(a,s,n),!n)return!0;var h=this.widgets_below(i);this.remove_from_gridmap(a),a.row=n,this.add_to_gridmap(a),i.attr("data-row",a.row),this.$changed=this.$changed.add(i),o.push(i),h.each(t.proxy(function(i,s){this.move_widget_up(t(s),e)},this))}}),void 0):!1},r.move_widget_down=function(i,e){var s,r,o,a;if(0>=e)return!1;if(s=i.coords().grid,r=s.row,o=[],a=e,!i)return!1;if(-1===t.inArray(i,o)){var n=i.coords().grid,h=r+e,_=this.widgets_below(i);this.remove_from_gridmap(n),_.each(t.proxy(function(i,e){var s=t(e),r=s.coords().grid,o=this.displacement_diff(r,n,a);o>0&&this.move_widget_down(s,o)},this)),n.row=h,this.update_widget_position(n,i),i.attr("data-row",n.row),this.$changed=this.$changed.add(i),o.push(i)}},r.can_go_up_to_row=function(i,e,s){var r,o=this.gridmap,a=!0,n=[],h=i.row;if(this.for_each_column_occupied(i,function(t){for(o[t],n[t]=[],r=h;r--&&this.is_empty(t,r)&&!this.is_placeholder_in(t,r);)n[t].push(r);return n[t].length?void 0:(a=!1,!0)}),!a)return!1;for(r=s,r=1;h>r;r++){for(var _=!0,d=0,l=n.length;l>d;d++)n[d]&&-1===t.inArray(r,n[d])&&(_=!1);if(_===!0){a=r;break}}return a},r.displacement_diff=function(t,i,e){var s=t.row,r=[],o=i.row+i.size_y;this.for_each_column_occupied(t,function(t){for(var i=0,e=o;s>e;e++)this.is_empty(t,e)&&(i+=1);r.push(i)});var a=Math.max.apply(Math,r);return e-=a,e>0?e:0},r.widgets_below=function(i){var s=t.isPlainObject(i)?i:i.coords().grid,r=this;this.gridmap;var o=s.row+s.size_y-1,a=t([]);return this.for_each_column_occupied(s,function(i){r.for_each_widget_below(i,o,function(){return r.is_player(this)||-1!==t.inArray(this,a)?void 0:(a=a.add(this),!0)})}),e.sort_by_row_asc(a)},r.set_cells_player_occupies=function(t,i){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=t,this.placeholder_grid_data.row=i,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},r.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},r.can_go_up=function(t){var i=t.coords().grid,e=i.row,s=e-1;this.gridmap;var r=!0;return 1===e?!1:(this.for_each_column_occupied(i,function(t){return this.is_widget(t,s),this.is_occupied(t,s)||this.is_player(t,s)||this.is_placeholder_in(t,s)||this.is_player_in(t,s)?(r=!1,!0):void 0}),r)},r.can_move_to=function(t,i,e,s){this.gridmap;var r=t.el,o={size_y:t.size_y,size_x:t.size_x,col:i,row:e},a=!0,n=i+t.size_x-1;return n>this.cols?!1:s&&e+t.size_y-1>s?!1:(this.for_each_cell_occupied(o,function(i,e){var s=this.is_widget(i,e);!s||t.el&&!s.is(r)||(a=!1)}),a)},r.get_targeted_columns=function(t){for(var i=(t||this.player_grid_data.col)+(this.player_grid_data.size_x-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_targeted_rows=function(t){for(var i=(t||this.player_grid_data.row)+(this.player_grid_data.size_y-1),e=[],s=t;i>=s;s++)e.push(s);return e},r.get_cells_occupied=function(i){var e,s={cols:[],rows:[]};for(arguments[1]instanceof t&&(i=arguments[1].coords().grid),e=0;i.size_x>e;e++){var r=i.col+e;s.cols.push(r)}for(e=0;i.size_y>e;e++){var o=i.row+e;s.rows.push(o)}return s},r.for_each_cell_occupied=function(t,i){return this.for_each_column_occupied(t,function(e){this.for_each_row_occupied(t,function(t){i.call(this,e,t)})}),this},r.for_each_column_occupied=function(t,i){for(var e=0;t.size_x>e;e++){var s=t.col+e;i.call(this,s,t)}},r.for_each_row_occupied=function(t,i){for(var e=0;t.size_y>e;e++){var s=t.row+e;i.call(this,s,t)}},r._traversing_widgets=function(i,e,s,r,o){var a=this.gridmap;if(a[s]){var n,h,_=i+"/"+e;if(arguments[2]instanceof t){var d=arguments[2].coords().grid;s=d.col,r=d.row,o=arguments[3]}var l=[],c=r,p={"for_each/above":function(){for(;c--&&!(c>0&&this.is_widget(s,c)&&-1===t.inArray(a[s][c],l)&&(n=o.call(a[s][c],s,c),l.push(a[s][c]),n)););},"for_each/below":function(){for(c=r+1,h=a[s].length;h>c&&(!this.is_widget(s,c)||-1!==t.inArray(a[s][c],l)||(n=o.call(a[s][c],s,c),l.push(a[s][c]),!n));c++);}};p[_]&&p[_].call(this)}},r.for_each_widget_above=function(t,i,e){return this._traversing_widgets("for_each","above",t,i,e),this},r.for_each_widget_below=function(t,i,e){return this._traversing_widgets("for_each","below",t,i,e),this},r.get_highest_occupied_cell=function(){for(var t,i=this.gridmap,e=i[1].length,s=[],r=[],o=i.length-1;o>=1;o--)for(t=e-1;t>=1;t--)if(this.is_widget(o,t)){s.push(t),r.push(o);break}return{col:Math.max.apply(Math,r),row:Math.max.apply(Math,s)}},r.get_widgets_from=function(i,e){this.gridmap;var s=t();return i&&(s=s.add(this.$widgets.filter(function(){var e=t(this).attr("data-col");return e===i||e>i}))),e&&(s=s.add(this.$widgets.filter(function(){var i=t(this).attr("data-row");return i===e||i>e}))),s},r.set_dom_grid_height=function(t){if(t===void 0){var i=this.get_highest_occupied_cell().row;t=i*this.min_widget_height}return this.container_height=t,this.$el.css("height",this.container_height),this},r.set_dom_grid_width=function(t){t===void 0&&(t=this.get_highest_occupied_cell().col);var i=this.options.autogrow_cols?this.options.max_cols:this.cols;return t=Math.min(i,Math.max(t,this.options.min_cols)),this.container_width=t*this.min_widget_width,this.$el.css("width",this.container_width),this},r.generate_stylesheet=function(i){var s,r="",o=this.options.max_size_x||this.cols;i||(i={}),i.cols||(i.cols=this.cols),i.rows||(i.rows=this.rows),i.namespace||(i.namespace=this.options.namespace),i.widget_base_dimensions||(i.widget_base_dimensions=this.options.widget_base_dimensions),i.widget_margins||(i.widget_margins=this.options.widget_margins),i.min_widget_width=2*i.widget_margins[0]+i.widget_base_dimensions[0],i.min_widget_height=2*i.widget_margins[1]+i.widget_base_dimensions[1];var a=t.param(i);if(t.inArray(a,e.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(a),e.generated_stylesheets.push(a),s=i.cols;s>=0;s--)r+=i.namespace+' [data-col="'+(s+1)+'"] { left:'+(s*i.widget_base_dimensions[0]+s*i.widget_margins[0]+(s+1)*i.widget_margins[0])+"px; }\n";for(s=i.rows;s>=0;s--)r+=i.namespace+' [data-row="'+(s+1)+'"] { top:'+(s*i.widget_base_dimensions[1]+s*i.widget_margins[1]+(s+1)*i.widget_margins[1])+"px; }\n";for(var n=1;i.rows>=n;n++)r+=i.namespace+' [data-sizey="'+n+'"] { height:'+(n*i.widget_base_dimensions[1]+(n-1)*2*i.widget_margins[1])+"px; }\n";for(var h=1;o>=h;h++)r+=i.namespace+' [data-sizex="'+h+'"] { width:'+(h*i.widget_base_dimensions[0]+(h-1)*2*i.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(r)},r.add_style_tag=function(t){var i=document,e=i.createElement("style");return i.getElementsByTagName("head")[0].appendChild(e),e.setAttribute("type","text/css"),e.styleSheet?e.styleSheet.cssText=t:e.appendChild(document.createTextNode(t)),this.$style_tags=this.$style_tags.add(e),this},r.remove_style_tags=function(){var i=e.generated_stylesheets,s=this.generated_stylesheets;this.$style_tags.remove(),e.generated_stylesheets=t.map(i,function(i){return-1===t.inArray(i,s)?i:void 0})},r.generate_faux_grid=function(t,i){this.faux_grid=[],this.gridmap=[];var e,s;for(e=i;e>0;e--)for(this.gridmap[e]=[],s=t;s>0;s--)this.add_faux_cell(s,e);return this},r.add_faux_cell=function(i,e){var s=t({left:this.baseX+(e-1)*this.min_widget_width,top:this.baseY+(i-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:e,row:i,original_col:e,original_row:i}).coords();return t.isArray(this.gridmap[e])||(this.gridmap[e]=[]),this.gridmap[e][i]=!1,this.faux_grid.push(s),this},r.add_faux_rows=function(t){for(var i=this.rows,e=i+(t||1),s=e;s>i;s--)for(var r=this.cols;r>=1;r--)this.add_faux_cell(s,r);return this.rows=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.add_faux_cols=function(t){var i=this.cols,e=i+(t||1);e=Math.min(e,this.options.max_cols);for(var s=i+1;e>=s;s++)for(var r=this.rows;r>=1;r--)this.add_faux_cell(r,s);return this.cols=e,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},r.recalculate_faux_grid=function(){var i=this.$wrapper.width();return this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,t.each(this.faux_grid,t.proxy(function(t,i){this.faux_grid[t]=i.update({left:this.baseX+(i.data.col-1)*this.min_widget_width,top:this.baseY+(i.data.row-1)*this.min_widget_height})},this)),this},r.get_widgets_from_DOM=function(){var i=this.$widgets.map(t.proxy(function(i,e){var s=t(e);return this.dom_to_coords(s)},this));i=e.sort_by_row_and_col_asc(i);var s=t(i).map(t.proxy(function(t,i){return this.register_widget(i)||null},this));return s.length&&this.$el.trigger("gridster:positionschanged"),this},r.generate_grid_and_stylesheet=function(){var i=this.$wrapper.width(),e=this.options.max_cols,s=Math.floor(i/this.min_widget_width)+this.options.extra_cols,r=this.$widgets.map(function(){return t(this).attr("data-col")}).get();r.length||(r=[0]);var o=Math.max.apply(Math,r);this.cols=Math.max(o,s,this.options.min_cols),1/0!==e&&e>=o&&this.cols>e&&(this.cols=e);var a=this.options.extra_rows;return this.$widgets.each(function(i,e){a+=+t(e).attr("data-sizey")}),this.rows=Math.max(a,this.options.min_rows),this.baseX=(t(window).width()-i)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},r.destroy=function(i){return this.$el.removeData("gridster"),t(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),i&&this.$el.remove(),this},t.fn.gridster=function(i){return this.each(function(){t(this).data("gridster")||t(this).data("gridster",new e(this,i))})},e}),function(t,i){"function"==typeof define&&define.amd?define(["jquery","gridster"],i):t.Gridster=i(t.$||t.jQuery,t.Gridster)}(this,function(t,i){var e=i.prototype;return e.widgets_in_col=function(t){if(!this.gridmap[t])return!1;for(var i=this.gridmap[t].length-1;i>=0;i--)if(this.is_widget(t,i)!==!1)return!0;return!1},e.widgets_in_row=function(t){for(var i=this.gridmap.length;i>=1;i--)if(this.is_widget(i,t)!==!1)return!0;return!1},e.widgets_in_range=function(i,e,s,r){var o,a,n,h,_=t([]);for(o=s;o>=i;o--)for(a=r;a>=e;a--)n=this.is_widget(o,a),n!==!1&&(h=n.data("coords").grid,h.col>=i&&s>=h.col&&h.row>=e&&r>=h.row&&(_=_.add(n)));return _},e.get_bottom_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){e&&r>t&&(t=r,i=s)}),{col:i,row:t}},e.get_right_most_occupied_cell=function(){var t=0,i=0;return this.for_each_cell(function(e,s,r){return e?(t=r,i=s,!1):void 0}),{col:i,row:t}},e.for_each_cell=function(t,i){i||(i=this.gridmap);var e=i.length,s=i[1].length;t:for(var r=e-1;r>=1;r--)for(var o=s-1;o>=1;o--){var a=i[r]&&i[r][o];if(t){if(t.call(this,a,r,o)===!1)break t}else;}},e.next_position_in_range=function(t,e,s){t||(t=1),e||(e=1);for(var r,o=this.gridmap,a=o.length,n=[],h=1;a>h;h++){r=s||o[h].length;for(var _=1;r>=_;_++){var d=this.can_move_to({size_x:t,size_y:e},h,_,s);d&&n.push({col:h,row:_,size_y:e,size_x:t})}}return n.length>=1?i.sort_by_col_asc(n)[0]:!1},e.closest_to_right=function(t,i){if(!this.gridmap[t])return!1;for(var e=this.gridmap.length-1,s=t;e>=s;s++)if(this.gridmap[s][i])return{col:s,row:i};return!1},e.closest_to_left=function(t,i){if(this.gridmap.length-1,!this.gridmap[t])return!1;for(var e=t;e>=1;e--)if(this.gridmap[e][i])return{col:e,row:i};return!1},i});
\ No newline at end of file
+/*! gridster.js - v0.6.0 - 2015-04-16 - * http://gridster.net/ - Copyright (c) 2015 ducksboard; Licensed MIT */ !function(a,b){"function"==typeof define&&define.amd?define("gridster-coords",["jquery"],b):a.GridsterCoords=b(a.$||a.jQuery)}(this,function(a){function b(b){return b[0]&&a.isPlainObject(b[0])?this.data=b[0]:this.el=b,this.isCoords=!0,this.coords={},this.init(),this}var c=b.prototype;return c.init=function(){this.set(),this.original_coords=this.get()},c.set=function(a,b){var c=this.el;if(c&&!a&&(this.data=c.offset(),this.data.width=c.width(),this.data.height=c.height()),c&&a&&!b){var d=c.offset();this.data.top=d.top,this.data.left=d.left}var e=this.data;return"undefined"==typeof e.left&&(e.left=e.x1),"undefined"==typeof e.top&&(e.top=e.y1),this.coords.x1=e.left,this.coords.y1=e.top,this.coords.x2=e.left+e.width,this.coords.y2=e.top+e.height,this.coords.cx=e.left+e.width/2,this.coords.cy=e.top+e.height/2,this.coords.width=e.width,this.coords.height=e.height,this.coords.el=c||!1,this},c.update=function(b){if(!b&&!this.el)return this;if(b){var c=a.extend({},this.data,b);return this.data=c,this.set(!0,!0)}return this.set(!0),this},c.get=function(){return this.coords},c.destroy=function(){this.el.removeData("coords"),delete this.el},a.fn.coords=function(){if(this.data("coords"))return this.data("coords");var a=new b(this,arguments[0]);return this.data("coords",a),a},b}),function(a,b){"function"==typeof define&&define.amd?define("gridster-collision",["jquery","gridster-coords"],b):a.GridsterCollision=b(a.$||a.jQuery,a.GridsterCoords)}(this,function(a){function b(b,d,e){this.options=a.extend(c,e),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],this.set_colliders(d),this.init()}var c={colliders_context:document.body,overlapping_region:"C"};b.defaults=c;var d=b.prototype;return d.init=function(){this.find_collisions()},d.overlaps=function(a,b){var c=!1,d=!1;return(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)&&(c=!0),(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)&&(d=!0),c&&d},d.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},d.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},d.calculate_overlapped_area=function(a){return a.width*a.height},d.manage_colliders_start_stop=function(b,c,d){for(var e=this.last_colliders_coords,f=0,g=e.length;g>f;f++)-1===a.inArray(e[f],b)&&c.call(this,e[f]);for(var 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b.sort(function(a,b){return"C"===a.region&&"C"===b.region?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:(a.area<b.area,1)}),b},d.set_colliders=function(b){"string"==typeof b||b instanceof a?this.$colliders=a(b,this.options.colliders_context).not(this.$element):this.colliders=a(b)},a.fn.collision=function(a,c){return new b(this,a,c)},b}),function(a){a.delay=function(a,b){var c=Array.prototype.slice.call(arguments,2);return setTimeout(function(){return a.apply(null,c)},b)},a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var j=function(){e=null,g&&a.apply(c,d),i()};return e||(e=setTimeout(j,b)),f?g=!0:h=a.apply(c,d),i(),f=!0,h}}}(window),function(a,b){"function"==typeof define&&define.amd?define("gridster-draggable",["jquery"],b):a.GridsterDraggable=b(a.$||a.jQuery)}(this,function(a){function b(b,e){this.options=a.extend({},d,e),this.$document=a(document),c=e.window||a(window),this.$container=a(b),this.$dragitems=a(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.id=i(),this.ns=".gridster-draggable-"+this.id,this.init()}var c,d={items:"li",distance:1,limit:!0,offset_left:0,autoscroll:!0,ignore_dragging:["INPUT","TEXTAREA","SELECT","BUTTON"],handle:null,container_width:0,move_element:!0,helper:!1,remove_helper:!0},e={x:"left",y:"top"},f=!!("ontouchstart"in window),g=function(a){return a.charAt(0).toUpperCase()+a.slice(1)},h=0,i=function(){return++h+""};b.defaults=d;var j=b.prototype;return j.init=function(){var b=this.$container.css("position");this.calculate_dimensions(),this.$container.css("position","static"===b?"relative":b),this.disabled=!1,this.events(),c.bind(this.nsEvent("resize"),throttle(a.proxy(this.calculate_dimensions,this),200))},j.nsEvent=function(a){return(a||"")+this.ns},j.events=function(){this.pointer_events={start:this.nsEvent("touchstart")+" "+this.nsEvent("mousedown"),move:this.nsEvent("touchmove")+" "+this.nsEvent("mousemove"),end:this.nsEvent("touchend")+" "+this.nsEvent("mouseup")},this.$container.on(this.nsEvent("selectstart"),a.proxy(this.on_select_start,this)),this.$container.on(this.pointer_events.start,this.options.items,a.proxy(this.drag_handler,this)),this.$document.on(this.pointer_events.end,a.proxy(function(a){this.is_dragging=!1,this.disabled||(this.$document.off(this.pointer_events.move),this.drag_start&&this.on_dragstop(a))},this))},j.get_actual_pos=function(a){var b=a.position();return b},j.get_mouse_pos=function(a){if(a.originalEvent&&a.originalEvent.touches){var b=a.originalEvent;a=b.touches.length?b.touches[0]:b.changedTouches[0]}return{left:a.clientX,top:a.clientY}},j.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),d=Math.round(b.left-this.mouse_init_pos.left),e=Math.round(b.top-this.mouse_init_pos.top),f=Math.round(this.el_init_offset.left+d-this.baseX+c.scrollLeft()-this.win_offset_x),g=Math.round(this.el_init_offset.top+e-this.baseY+c.scrollTop()-this.win_offset_y);return this.options.limit&&(f>this.player_max_left?f=this.player_max_left:f<this.player_min_left&&(f=this.player_min_left)),{position:{left:f,top:g},pointer:{left:b.left,top:b.top,diff_left:d+(c.scrollLeft()-this.win_offset_x),diff_top:e+(c.scrollTop()-this.win_offset_y)}}},j.get_drag_data=function(a){var b=this.get_offset(a);return b.$player=this.$player,b.$helper=this.helper?this.$helper:this.$player,b},j.set_limits=function(a){return a||(a=this.$container.width()),this.player_max_left=a-this.player_width+-this.options.offset_left,this.options.container_width=a,this},j.scroll_in=function(b,d){var f,h=e[b],i=50,j=30,k="x"===b,l=k?this.window_width:this.window_height,m=k?a(document).width():a(document).height(),n=k?this.$player.width():this.$player.height(),o=c["scroll"+g(h)](),p=o,q=p+l,r=q-i,s=p+i,t=p+d.pointer[h],u=m-l+n;return t>=r&&(f=o+j,u>f&&(c["scroll"+g(h)](f),this["scroll_offset_"+b]+=j)),s>=t&&(f=o-j,f>0&&(c["scroll"+g(h)](f),this["scroll_offset_"+b]-=j)),this},j.manage_scroll=function(a){this.scroll_in("x",a),this.scroll_in("y",a)},j.calculate_dimensions=function(){this.window_height=c.height(),this.window_width=c.width()},j.drag_handler=function(b){b.target.nodeName;if(!this.disabled&&(1===b.which||f)&&!this.ignore_drag(b)){var c=this,d=!0;return this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),this.offsetY=this.mouse_init_pos.top-this.el_init_pos.top,this.$document.on(this.pointer_events.move,function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging===!0&&c.on_dragmove.call(c,a),!1):!1}),f?void 0:!1}},j.on_dragstart=function(a){if(a.preventDefault(),this.is_dragging)return this;this.drag_start=this.is_dragging=!0;var b=this.$container.offset();return this.baseX=Math.round(b.left),this.baseY=Math.round(b.top),this.initial_container_width=this.options.container_width||this.$container.width(),"clone"===this.options.helper?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.win_offset_y=c.scrollTop(),this.win_offset_x=c.scrollLeft(),this.scroll_offset_y=0,this.scroll_offset_x=0,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_height=this.$player.height(),this.set_limits(this.options.container_width),this.options.start&&this.options.start.call(this.$player,a,this.get_drag_data(a)),!1},j.on_dragmove=function(a){var b=this.get_drag_data(a);this.options.autoscroll&&this.manage_scroll(b),this.options.move_element&&(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.position.left,top:b.position.top});var c=this.last_position||b.position;return b.prev_position=c,this.options.drag&&this.options.drag.call(this.$player,a,b),this.last_position=b.position,!1},j.on_dragstop=function(a){var b=this.get_drag_data(a);return this.drag_start=!1,this.options.stop&&this.options.stop.call(this.$player,a,b),this.helper&&this.options.remove_helper&&this.$helper.remove(),!1},j.on_select_start=function(a){return this.disabled||this.ignore_drag(a)?void 0:!1},j.enable=function(){this.disabled=!1},j.disable=function(){this.disabled=!0},j.destroy=function(){this.disable(),this.$container.off(this.ns),this.$document.off(this.ns),c.off(this.ns),a.removeData(this.$container,"drag")},j.ignore_drag=function(b){return this.options.handle?!a(b.target).is(this.options.handle):a.isFunction(this.options.ignore_dragging)?this.options.ignore_dragging(b):a(b.target).is(this.options.ignore_dragging.join(", "))},a.fn.drag=function(a){return new b(this,a)},b}),function(a,b){"function"==typeof define&&define.amd?define(["jquery","gridster-draggable","gridster-collision"],b):a.Gridster=b(a.$||a.jQuery,a.GridsterDraggable,a.GridsterCollision)}(this,function(a,b){function c(b,c){this.options=a.extend(!0,{},d,c),this.$el=a(b),this.$wrapper=this.$el.parent(),this.$widgets=this.$el.children(this.options.widget_selector).addClass("gs-w"),this.widgets=[],this.$changed=a([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=2*this.options.widget_margins[0]+this.options.widget_base_dimensions[0],this.min_widget_height=2*this.options.widget_margins[1]+this.options.widget_base_dimensions[1],this.generated_stylesheets=[],this.$style_tags=a([]),this.options.auto_init&&this.init()}var d={namespace:"",widget_selector:"li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,max_cols:1/0,min_rows:15,max_size_x:!1,autogrow_cols:!1,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,auto_init:!0,serialize_params:function(a,b){return{col:b.col,row:b.row,size_x:b.size_x,size_y:b.size_y}},collision:{},draggable:{items:".gs-w",distance:4,ignore_dragging:b.defaults.ignore_dragging.slice(0)},resize:{enabled:!1,axes:["both"],handle_append_to:"",handle_class:"gs-resize-handle",max_size:[1/0,1/0],min_size:[1,1]}};c.defaults=d,c.generated_stylesheets=[],c.sort_by_row_asc=function(b){return b=b.sort(function(b,c){return b.row||(b=a(b).coords().grid,c=a(c).coords().grid),b.row>c.row?1:-1})},c.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row||a.row===b.row&&a.col>b.col?1:-1})},c.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a.col>b.col?1:-1})},c.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a.row+a.size_y<b.row+b.size_y?1:-1})};var e=c.prototype;return e.init=function(){this.options.resize.enabled&&this.setup_resize(),this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.set_dom_grid_width(),this.$wrapper.addClass("ready"),this.draggable(),this.options.resize.enabled&&this.resizable(),a(window).bind("resize.gridster",throttle(a.proxy(this.recalculate_faux_grid,this),200))},e.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},e.enable=function(){return this.drag_api.enable(),this},e.disable_resize=function(){return this.$el.addClass("gs-resize-disabled"),this.resize_api.disable(),this},e.enable_resize=function(){return this.$el.removeClass("gs-resize-disabled"),this.resize_api.enable(),this},e.add_widget=function(b,c,d,e,f,g,h){var i;c||(c=1),d||(d=1),!e&!f?i=this.next_position(c,d):(i={col:e,row:f,size_x:c,size_y:d},this.empty_cells(e,f,c,d));var j=a(b).attr({"data-col":i.col,"data-row":i.row,"data-sizex":c,"data-sizey":d}).addClass("gs-w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(j),this.register_widget(j),this.add_faux_rows(i.size_y),g&&this.set_widget_max_size(j,g),h&&this.set_widget_min_size(j,h),this.set_dom_grid_width(),this.set_dom_grid_height(),this.drag_api.set_limits(this.cols*this.min_widget_width),j.fadeIn()},e.set_widget_min_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.min_size_x=b[0],c.min_size_y=b[1],this},e.set_widget_max_size=function(a,b){if(a="number"==typeof a?this.$widgets.eq(a):a,!a.length)return this;var c=a.data("coords").grid;return c.max_size_x=b[0],c.max_size_y=b[1],this},e.add_resize_handle=function(b){var c=this.options.resize.handle_append_to;return a(this.resize_handle_tpl).appendTo(c?a(c,b):b),this},e.resize_widget=function(a,b,c,d){var e=a.coords().grid,f=e.col,g=this.options.max_cols,h=e.size_y,i=e.col,j=i;b||(b=e.size_x),c||(c=e.size_y),1/0!==g&&(b=Math.min(b,g-f+1)),c>h&&this.add_faux_rows(Math.max(c-h,0));var k=f+b-1;k>this.cols&&this.add_faux_cols(k-this.cols);var l={col:j,row:e.row,size_x:b,size_y:c};return this.mutate_widget_in_gridmap(a,e,l),this.set_dom_grid_height(),this.set_dom_grid_width(),d&&d.call(this,l.size_x,l.size_y),a},e.mutate_widget_in_gridmap=function(b,c,d){var e=(c.size_x,c.size_y),f=this.get_cells_occupied(c),g=this.get_cells_occupied(d),h=[];a.each(f.cols,function(b,c){-1===a.inArray(c,g.cols)&&h.push(c)});var i=[];a.each(g.cols,function(b,c){-1===a.inArray(c,f.cols)&&i.push(c)});var j=[];a.each(f.rows,function(b,c){-1===a.inArray(c,g.rows)&&j.push(c)});var k=[];if(a.each(g.rows,function(b,c){-1===a.inArray(c,f.rows)&&k.push(c)}),this.remove_from_gridmap(c),i.length){var l=[d.col,d.row,d.size_x,Math.min(e,d.size_y),b];this.empty_cells.apply(this,l)}if(k.length){var m=[d.col,d.row,d.size_x,d.size_y,b];this.empty_cells.apply(this,m)}if(c.col=d.col,c.row=d.row,c.size_x=d.size_x,c.size_y=d.size_y,this.add_to_gridmap(d,b),b.removeClass("player-revert"),b.data("coords").update({width:d.size_x*this.options.widget_base_dimensions[0]+(d.size_x-1)*this.options.widget_margins[0]*2,height:d.size_y*this.options.widget_base_dimensions[1]+(d.size_y-1)*this.options.widget_margins[1]*2}),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),h.length){var n=[h[0],d.row,h.length,Math.min(e,d.size_y),b];this.remove_empty_cells.apply(this,n)}if(j.length){var o=[d.col,d.row,d.size_x,d.size_y,b];this.remove_empty_cells.apply(this,o)}return this.move_widget_up(b),this},e.empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c-e,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,d){var f=a(d).coords().grid;if(f.row<=c+e-1){var g=c+e-f.row;this.move_widget_down(a(d),g)}},this)),this.set_dom_grid_height(),this},e.remove_empty_cells=function(b,c,d,e,f){var g=this.widgets_below({col:b,row:c,size_x:d,size_y:e});return g.not(f).each(a.proxy(function(b,c){this.move_widget_up(a(c),e)},this)),this.set_dom_grid_height(),this},e.next_position=function(a,b){a||(a=1),b||(b=1);for(var d,e=this.gridmap,f=e.length,g=[],h=1;f>h;h++){d=e[h].length;for(var i=1;d>=i;i++){var j=this.can_move_to({size_x:a,size_y:b},h,i);j&&g.push({col:h,row:i,size_y:b,size_x:a})}}return g.length?c.sort_by_row_and_col_asc(g)[0]:!1},e.remove_widget=function(b,c,d){var e=b instanceof a?b:a(b),f=e.coords().grid;a.isFunction(c)&&(d=c,c=!1),this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(e);var g=this.widgets_below(e);return this.remove_from_gridmap(f),e.fadeOut(a.proxy(function(){e.remove(),c||g.each(a.proxy(function(b,c){this.move_widget_up(a(c),f.size_y)},this)),this.set_dom_grid_height(),d&&d.call(this,b)},this)),this},e.remove_all_widgets=function(b){return this.$widgets.each(a.proxy(function(a,c){this.remove_widget(c,!0,b)},this)),this},e.serialize=function(b){return b||(b=this.$widgets),b.map(a.proxy(function(b,c){var d=a(c);return this.options.serialize_params(d,d.coords().grid)},this)).get()},e.serialize_changed=function(){return this.serialize(this.$changed)},e.dom_to_coords=function(a){return{col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10)||1,size_y:parseInt(a.attr("data-sizey"),10)||1,max_size_x:parseInt(a.attr("data-max-sizex"),10)||!1,max_size_y:parseInt(a.attr("data-max-sizey"),10)||!1,min_size_x:parseInt(a.attr("data-min-sizex"),10)||!1,min_size_y:parseInt(a.attr("data-min-sizey"),10)||!1,el:a}},e.register_widget=function(b){var c=b instanceof jQuery,d=c?this.dom_to_coords(b):b,e=!1;c||(b=d.el);var f=this.can_go_widget_up(d);return f&&(d.row=f,b.attr("data-row",f),this.$el.trigger("gridster:positionchanged",[d]),e=!0),this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:d.size_x,size_y:d.size_y},d.col,d.row)&&(a.extend(d,this.next_position(d.size_x,d.size_y)),b.attr({"data-col":d.col,"data-row":d.row,"data-sizex":d.size_x,"data-sizey":d.size_y}),e=!0),b.data("coords",b.coords()),b.data("coords").grid=d,this.add_to_gridmap(d,b),this.options.resize.enabled&&this.add_resize_handle(b),e},e.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){return this.gridmap[a]?void(this.gridmap[a][c]=b):this}),this},e.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},e.add_to_gridmap=function(b,c){if(this.update_widget_position(b,c||b.el),b.el){var d=this.widgets_below(b.el);d.each(a.proxy(function(b,c){this.move_widget_up(a(c))},this))}},e.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],offset_top:this.options.widget_margins[1],container_width:this.cols*this.min_widget_width,limit:!0,start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=a(d.$helper),b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:throttle(function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")},60)});return this.drag_api=this.$el.drag(c),this},e.resizable=function(){return this.resize_api=this.$el.drag({items:"."+this.options.resize.handle_class,offset_left:this.options.widget_margins[0],container_width:this.container_width,move_element:!1,resize:!0,limit:this.options.autogrow_cols?!1:!0,start:a.proxy(this.on_start_resize,this),stop:a.proxy(function(b,c){delay(a.proxy(function(){this.on_stop_resize(b,c)},this),120)},this),drag:throttle(a.proxy(this.on_resize,this),60)}),this},e.setup_resize=function(){this.resize_handle_class=this.options.resize.handle_class;var b=this.options.resize.axes,c='<span class="'+this.resize_handle_class+" "+this.resize_handle_class+'-{type}" />';return this.resize_handle_tpl=a.map(b,function(a){return c.replace("{type}",a)}).join(""),a.isArray(this.options.draggable.ignore_dragging)&&this.options.draggable.ignore_dragging.push("."+this.resize_handle_class),this},e.on_start_drag=function(b,c){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.highest_col=this.get_highest_occupied_cell().col,this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.set_dom_grid_height(this.$el.height()+this.player_grid_data.size_y*this.min_widget_height),this.set_dom_grid_width(this.cols);var d=this.player_grid_data.size_x,e=this.cols-this.highest_col;this.options.autogrow_cols&&d>=e&&this.add_faux_cols(Math.min(d-e,1));var f=this.faux_grid,g=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(f,this.options.collision),this.$preview_holder=a("<"+this.$player.get(0).tagName+" />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:g.width,height:g.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},e.on_drag=function(a,b){if(null===this.$player)return!1;var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};if(this.options.autogrow_cols){var d=this.placeholder_grid_data.col+this.placeholder_grid_data.size_x-1;d>=this.cols-1&&this.options.max_cols>=this.cols+1&&(this.add_faux_cols(1),this.set_dom_grid_width(this.cols+1),this.drag_api.set_limits(this.container_width)),this.collision_api.set_colliders(this.faux_grid)}this.colliders_data=this.collision_api.get_closest_colliders(c),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},e.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b),this.$preview_holder.remove(),this.$player=null,this.$helper=null,this.placeholder_grid_data={},this.player_grid_data={},this.cells_occupied_by_placeholder={},this.cells_occupied_by_player={},this.set_dom_grid_height(),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},e.on_start_resize=function(b,c){this.$resized_widget=c.$player.closest(".gs-w"),this.resize_coords=this.$resized_widget.coords(),this.resize_wgd=this.resize_coords.grid,this.resize_initial_width=this.resize_coords.coords.width,this.resize_initial_height=this.resize_coords.coords.height,this.resize_initial_sizex=this.resize_coords.grid.size_x,this.resize_initial_sizey=this.resize_coords.grid.size_y,this.resize_initial_col=this.resize_coords.grid.col,this.resize_last_sizex=this.resize_initial_sizex,this.resize_last_sizey=this.resize_initial_sizey,this.resize_max_size_x=Math.min(this.resize_wgd.max_size_x||this.options.resize.max_size[0],this.options.max_cols-this.resize_initial_col+1),this.resize_max_size_y=this.resize_wgd.max_size_y||this.options.resize.max_size[1],this.resize_min_size_x=this.resize_wgd.min_size_x||this.options.resize.min_size[0]||1,this.resize_min_size_y=this.resize_wgd.min_size_y||this.options.resize.min_size[1]||1,this.resize_initial_last_col=this.get_highest_occupied_cell().col,this.set_dom_grid_width(this.cols),this.resize_dir={right:c.$player.is("."+this.resize_handle_class+"-x"),bottom:c.$player.is("."+this.resize_handle_class+"-y")},this.$resized_widget.css({"min-width":this.options.widget_base_dimensions[0],"min-height":this.options.widget_base_dimensions[1]});var d=this.$resized_widget.get(0).tagName;this.$resize_preview_holder=a("<"+d+" />",{"class":"preview-holder resize-preview-holder","data-row":this.$resized_widget.attr("data-row"),"data-col":this.$resized_widget.attr("data-col"),css:{width:this.resize_initial_width,height:this.resize_initial_height}}).appendTo(this.$el),this.$resized_widget.addClass("resizing"),this.options.resize.start&&this.options.resize.start.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestart")},e.on_stop_resize=function(b,c){this.$resized_widget.removeClass("resizing").css({width:"",height:""}),delay(a.proxy(function(){this.$resize_preview_holder.remove().css({"min-width":"","min-height":""}),this.options.resize.stop&&this.options.resize.stop.call(this,b,c,this.$resized_widget),this.$el.trigger("gridster:resizestop")},this),300),this.set_dom_grid_width(),this.options.autogrow_cols&&this.drag_api.set_limits(this.cols*this.min_widget_width)},e.on_resize=function(a,b){var c,d=b.pointer.diff_left,e=b.pointer.diff_top,f=this.options.widget_base_dimensions[0],g=this.options.widget_base_dimensions[1],h=this.options.widget_margins[0],i=this.options.widget_margins[1],j=this.resize_max_size_x,k=this.resize_min_size_x,l=this.resize_max_size_y,m=this.resize_min_size_y,n=this.options.autogrow_cols,o=1/0,p=1/0,q=Math.ceil(d/(f+2*h)-.2),r=Math.ceil(e/(g+2*i)-.2),s=Math.max(1,this.resize_initial_sizex+q),t=Math.max(1,this.resize_initial_sizey+r),u=this.container_width/this.min_widget_width-this.resize_initial_col+1,v=u*this.min_widget_width-2*h;if(s=Math.max(Math.min(s,j),k),s=Math.min(u,s),c=j*f+(s-1)*h*2,o=Math.min(c,v),min_width=k*f+(s-1)*h*2,t=Math.max(Math.min(t,l),m),p=l*g+(t-1)*i*2,min_height=m*g+(t-1)*i*2,this.resize_dir.right?t=this.resize_initial_sizey:this.resize_dir.bottom&&(s=this.resize_initial_sizex),n){var w=this.resize_initial_col+s-1;n&&this.resize_initial_last_col<=w&&(this.set_dom_grid_width(Math.max(w+1,this.cols)),this.cols<w&&this.add_faux_cols(w-this.cols))}var x={};!this.resize_dir.bottom&&(x.width=Math.max(Math.min(this.resize_initial_width+d,o),min_width)),!this.resize_dir.right&&(x.height=Math.max(Math.min(this.resize_initial_height+e,p),min_height)),this.$resized_widget.css(x),(s!==this.resize_last_sizex||t!==this.resize_last_sizey)&&(this.resize_widget(this.$resized_widget,s,t),this.set_dom_grid_width(this.cols),this.$resize_preview_holder.css({width:"",height:""}).attr({"data-row":this.$resized_widget.attr("data-row"),"data-sizex":s,"data-sizey":t})),this.options.resize.resize&&this.options.resize.resize.call(this,a,b,this.$resized_widget),this.$el.trigger("gridster:resize"),this.resize_last_sizex=s,this.resize_last_sizey=t},e.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_columns(this.colliders_data[0].el.data.col),f=this.last_cols.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_cols)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_cols[d],e)&&(c||a.noop).call(this,this.last_cols[d]);return this.last_cols=e,this},e.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return this;var d,e=this.get_targeted_rows(this.colliders_data[0].el.data.row),f=this.last_rows.length,g=e.length;for(d=0;g>d;d++)-1===a.inArray(e[d],this.last_rows)&&(b||a.noop).call(this,e[d]);for(d=0;f>d;d++)-1===a.inArray(this.last_rows[d],e)&&(c||a.noop).call(this,this.last_rows[d]);this.last_rows=e},e.set_player=function(a,b,c){var d=this;c||this.empty_cells_player_occupies();var e=c?{col:a}:d.colliders_data[0].el.data,f=e.col,g=b||e.row;this.player_grid_data={col:f,row:g,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),i=this.widgets_constraints(h);if(this.manage_movements(i.can_go_up,f,g),this.manage_movements(i.can_not_go_up,f,g),!h.length){var j=this.can_go_player_up(this.player_grid_data);j!==!1&&(g=j),this.set_placeholder(f,g)}return{col:f,row:g}},e.widgets_constraints=function(b){var d,e=a([]),f=[],g=[];return b.each(a.proxy(function(b,c){var d=a(c),h=d.coords().grid;this.can_go_widget_up(h)?(e=e.add(d),f.push(h)):g.push(h)},this)),d=b.not(e),{can_go_up:c.sort_by_row_asc(f),can_not_go_up:c.sort_by_row_desc(g)}},e.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.move_widget_down(f,i),this.set_placeholder(c,d)}}},this)),this},e.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},e.is_player_in=function(b,c){var d=this.cells_occupied_by_player||{};return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},e.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},e.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},e.is_empty=function(a,b){return"undefined"!=typeof this.gridmap[a]?"undefined"!=typeof this.gridmap[a][b]&&this.gridmap[a][b]===!1?!0:!1:!0},e.is_occupied=function(a,b){return this.gridmap[a]&&this.gridmap[a][b]?!0:!1},e.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},e.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},e.get_widgets_under_player=function(b){b||(b=this.cells_occupied_by_player||{cols:[],rows:[]});var c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},e.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b-=f-b);var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(c,e){this.move_widget_up(a(e),this.placeholder_grid_data.col-b+d.size_y)},this));var i=this.get_widgets_under_player(this.cells_occupied_by_placeholder);i.length&&i.each(a.proxy(function(b,e){var f=a(e);this.move_widget_down(f,c+d.size_y-f.data("coords").grid.row)},this))},e.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;for(d[a]=[];--h>0&&(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f));)d[a].push(h),e=e>h?h:e;return 0===d[a].length?(c=!1,!0):void d[a].sort(function(a,b){return a-b
+})}),c?this.get_valid_rows(a,d,e):!1},e.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(f){var g=this.gridmap[f];d[f]=[];for(var h=b+1;--h>0&&(!this.is_widget(f,h)||this.is_player_in(f,h)||g[h].is(a.el));)this.is_player(f,h)||this.is_placeholder_in(f,h)||this.is_player_in(f,h)||d[f].push(h),e>h&&(e=h);return 0===d[f].length?(c=!1,!0):void d[f].sort(function(a,b){return a-b})}),c?this.get_valid_rows(a,d,e):!1},e.get_valid_rows=function(b,c,d){for(var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];++h<=f;){var j=!0;if(a.each(c,function(b,c){a.isArray(c)&&-1===a.inArray(h,c)&&(j=!1)}),j===!0&&(i.push(h),i.length===g))break}var k=!1;return 1===g?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},e.get_consecutive_numbers_index=function(a,b){for(var c=a.length,d=[],e=!0,f=-1,g=0;c>g;g++){if(e||a[g]===f+1){if(d.push(g),d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},e.get_widgets_overlapped=function(){var b=a([]),c=[],d=this.cells_occupied_by_player.rows.slice(0);return d.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(e,f){a.each(d,a.proxy(function(d,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&-1===a.inArray(g,c)&&(b=b.add(g),c.push(g))},this))},this)),b},e.on_start_overlapping_column=function(a){this.set_player(a,!1)},e.on_start_overlapping_row=function(a){this.set_player(!1,a)},e.on_stop_overlapping_column=function(a){this.set_player(a,!1);var b=this;this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(){b.move_widget_up(this,b.player_grid_data.size_y)})},e.on_stop_overlapping_row=function(a){this.set_player(!1,a);for(var b=this,c=this.cells_occupied_by_player.cols,d=0,e=c.length;e>d;d++)this.for_each_widget_below(c[d],a,function(){b.move_widget_up(this,b.player_grid_data.size_y)})},e.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=(c-e.row,this.widgets_below(b)),g=this.can_move_to(e,e.col,c,b);return g===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),f.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},e.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[];return c||(c=1),this.can_go_up(b)?void this.for_each_column_occupied(d,function(d){if(-1===a.inArray(b,f)){var g=b.coords().grid,h=e-c;if(h=this.can_go_up_to_row(g,d,h),!h)return!0;var i=this.widgets_below(b);this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b),i.each(a.proxy(function(b,d){this.move_widget_up(a(d),c)},this))}}):!1},e.move_widget_down=function(b,c){var d,e,f,g;if(0>=c)return!1;if(d=b.coords().grid,e=d.row,f=[],g=c,!b)return!1;if(-1===a.inArray(b,f)){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},e.can_go_up_to_row=function(b,c,d){var e,f=this.gridmap,g=!0,h=[],i=b.row;if(this.for_each_column_occupied(b,function(a){f[a];for(h[a]=[],e=i;e--&&this.is_empty(a,e)&&!this.is_placeholder_in(a,e);)h[a].push(e);return h[a].length?void 0:(g=!1,!0)}),!g)return!1;for(e=d,e=1;i>e;e++){for(var j=!0,k=0,l=h.length;l>k;k++)h[k]&&-1===a.inArray(e,h[k])&&(j=!1);if(j===!0){g=e;break}}return g},e.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){for(var b=0,c=f;d>c;c++)this.is_empty(a,c)&&(b+=1);e.push(b)});var g=Math.max.apply(Math,e);return c-=g,c>0?c:0},e.widgets_below=function(b){var d=a.isPlainObject(b)?b:b.coords().grid,e=this,f=(this.gridmap,d.row+d.size_y-1),g=a([]);return this.for_each_column_occupied(d,function(b){e.for_each_widget_below(b,f,function(){return e.is_player(this)||-1!==a.inArray(this,g)?void 0:(g=g.add(this),!0)})}),c.sort_by_row_asc(g)},e.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},e.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},e.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=(this.gridmap,!0);return 1===c?!1:(this.for_each_column_occupied(b,function(a){this.is_widget(a,d);return this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d)||this.is_player_in(a,d)?(e=!1,!0):void 0}),e)},e.can_move_to=function(a,b,c,d){var e=(this.gridmap,a.el),f={size_y:a.size_y,size_x:a.size_x,col:b,row:c},g=!0,h=b+a.size_x-1;return h>this.cols?!1:d&&d<c+a.size_y-1?!1:(this.for_each_cell_occupied(f,function(b,c){var d=this.is_widget(b,c);!d||a.el&&!d.is(e)||(g=!1)}),g)},e.get_targeted_columns=function(a){for(var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[],d=a;b>=d;d++)c.push(d);return c},e.get_targeted_rows=function(a){for(var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[],d=a;b>=d;d++)c.push(d);return c},e.get_cells_occupied=function(b){var c,d={cols:[],rows:[]};for(arguments[1]instanceof a&&(b=arguments[1].coords().grid),c=0;c<b.size_x;c++){var e=b.col+c;d.cols.push(e)}for(c=0;c<b.size_y;c++){var f=b.row+c;d.rows.push(f)}return d},e.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},e.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},e.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},e._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(g[d]){var h,i,j=b+"/"+c;if(arguments[2]instanceof a){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){for(;m--&&!(m>0&&this.is_widget(d,m)&&-1===a.inArray(g[d][m],l)&&(h=f.call(g[d][m],d,m),l.push(g[d][m]),h)););},"for_each/below":function(){for(m=e+1,i=g[d].length;i>m&&(!this.is_widget(d,m)||-1!==a.inArray(g[d][m],l)||(h=f.call(g[d][m],d,m),l.push(g[d][m]),!h));m++);}};n[j]&&n[j].call(this)}},e.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},e.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},e.get_highest_occupied_cell=function(){for(var a,b=this.gridmap,c=b[1].length,d=[],e=[],f=b.length-1;f>=1;f--)for(a=c-1;a>=1;a--)if(this.is_widget(f,a)){d.push(a),e.push(f);break}return{col:Math.max.apply(Math,e),row:Math.max.apply(Math,d)}},e.get_widgets_from=function(b,c){var d=(this.gridmap,a());return b&&(d=d.add(this.$widgets.filter(function(){var c=a(this).attr("data-col");return c===b||c>b}))),c&&(d=d.add(this.$widgets.filter(function(){var b=a(this).attr("data-row");return b===c||b>c}))),d},e.set_dom_grid_height=function(a){if("undefined"==typeof a){var b=this.get_highest_occupied_cell().row;a=b*this.min_widget_height}return this.container_height=a,this.$el.css("height",this.container_height),this},e.set_dom_grid_width=function(a){"undefined"==typeof a&&(a=this.get_highest_occupied_cell().col);var b=this.options.autogrow_cols?this.options.max_cols:this.cols;return a=Math.min(b,Math.max(a,this.options.min_cols)),this.container_width=a*this.min_widget_width,this.$el.css("width",this.container_width),this},e.generate_stylesheet=function(b){var d,e="",f=this.options.max_size_x||this.cols;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=this.options.namespace),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),b.min_widget_width=2*b.widget_margins[0]+b.widget_base_dimensions[0],b.min_widget_height=2*b.widget_margins[1]+b.widget_base_dimensions[1];var g=a.param(b);if(a.inArray(g,c.generated_stylesheets)>=0)return!1;for(this.generated_stylesheets.push(g),c.generated_stylesheets.push(g),d=b.cols;d>=0;d--)e+=b.namespace+' [data-col="'+(d+1)+'"] { left:'+(d*b.widget_base_dimensions[0]+d*b.widget_margins[0]+(d+1)*b.widget_margins[0])+"px; }\n";for(d=b.rows;d>=0;d--)e+=b.namespace+' [data-row="'+(d+1)+'"] { top:'+(d*b.widget_base_dimensions[1]+d*b.widget_margins[1]+(d+1)*b.widget_margins[1])+"px; }\n";for(var h=1;h<=b.rows;h++)e+=b.namespace+' [data-sizey="'+h+'"] { height:'+(h*b.widget_base_dimensions[1]+2*(h-1)*b.widget_margins[1])+"px; }\n";for(var i=1;f>=i;i++)e+=b.namespace+' [data-sizex="'+i+'"] { width:'+(i*b.widget_base_dimensions[0]+2*(i-1)*b.widget_margins[0])+"px; }\n";return this.remove_style_tags(),this.add_style_tag(e)},e.add_style_tag=function(a){var b=document,c=b.createElement("style");return b.getElementsByTagName("head")[0].appendChild(c),c.setAttribute("type","text/css"),c.styleSheet?c.styleSheet.cssText=a:c.appendChild(document.createTextNode(a)),this.$style_tags=this.$style_tags.add(c),this},e.remove_style_tags=function(){var b=c.generated_stylesheets,d=this.generated_stylesheets;this.$style_tags.remove(),c.generated_stylesheets=a.map(b,function(b){return-1===a.inArray(b,d)?b:void 0})},e.generate_faux_grid=function(a,b){this.faux_grid=[],this.gridmap=[];var c,d;for(c=b;c>0;c--)for(this.gridmap[c]=[],d=a;d>0;d--)this.add_faux_cell(d,c);return this},e.add_faux_cell=function(b,c){var d=a({left:this.baseX+(c-1)*this.min_widget_width,top:this.baseY+(b-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:c,row:b,original_col:c,original_row:b}).coords();return a.isArray(this.gridmap[c])||(this.gridmap[c]=[]),this.gridmap[c][b]=!1,this.faux_grid.push(d),this},e.add_faux_rows=function(a){for(var b=this.rows,c=b+(a||1),d=c;d>b;d--)for(var e=this.cols;e>=1;e--)this.add_faux_cell(d,e);return this.rows=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},e.add_faux_cols=function(a){var b=this.cols,c=b+(a||1);c=Math.min(c,this.options.max_cols);for(var d=b+1;c>=d;d++)for(var e=this.rows;e>=1;e--)this.add_faux_cell(e,d);return this.cols=c,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this},e.recalculate_faux_grid=function(){var b=this.$wrapper.width();return this.baseX=(a(window).width()-b)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this},e.get_widgets_from_DOM=function(){var b=this.$widgets.map(a.proxy(function(b,c){var d=a(c);return this.dom_to_coords(d)},this));b=c.sort_by_row_and_col_asc(b);var d=a(b).map(a.proxy(function(a,b){return this.register_widget(b)||null},this));return d.length&&this.$el.trigger("gridster:positionschanged"),this},e.generate_grid_and_stylesheet=function(){var b=this.$wrapper.width(),c=this.options.max_cols,d=Math.floor(b/this.min_widget_width)+this.options.extra_cols,e=this.$widgets.map(function(){return a(this).attr("data-col")}).get();e.length||(e=[0]);var f=Math.max.apply(Math,e);this.cols=Math.max(f,d,this.options.min_cols),1/0!==c&&(this.cols=c);var g=this.options.extra_rows;return this.$widgets.each(function(b,c){g+=+a(c).attr("data-sizey")}),this.rows=Math.max(g,this.options.min_rows),this.baseX=(a(window).width()-b)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},e.destroy=function(b){return this.$el.removeData("gridster"),a(window).unbind(".gridster"),this.drag_api&&this.drag_api.destroy(),this.remove_style_tags(),b&&this.$el.remove(),this},a.fn.gridster=function(b){return this.each(function(){a(this).data("gridster")||a(this).data("gridster",new c(this,b))})},c}),function(a,b){"function"==typeof define&&define.amd?define(["jquery","gridster"],b):a.Gridster=b(a.$||a.jQuery,a.Gridster)}(this,function(a,b){var c=b.prototype;return c.widgets_in_col=function(a){if(!this.gridmap[a])return!1;for(var b=this.gridmap[a].length-1;b>=0;b--)if(this.is_widget(a,b)!==!1)return!0;return!1},c.widgets_in_row=function(a){for(var b=this.gridmap.length;b>=1;b--)if(this.is_widget(b,a)!==!1)return!0;return!1},c.widgets_in_range=function(b,c,d,e){var f,g,h,i,j=a([]);for(f=d;f>=b;f--)for(g=e;g>=c;g--)h=this.is_widget(f,g),h!==!1&&(i=h.data("coords").grid,i.col>=b&&i.col<=d&&i.row>=c&&i.row<=e&&(j=j.add(h)));return j},c.get_bottom_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){c&&e>a&&(a=e,b=d)}),{col:b,row:a}},c.get_right_most_occupied_cell=function(){var a=0,b=0;return this.for_each_cell(function(c,d,e){return c?(a=e,b=d,!1):void 0}),{col:b,row:a}},c.for_each_cell=function(a,b){b||(b=this.gridmap);var c=b.length,d=b[1].length;a:for(var e=c-1;e>=1;e--)for(var f=d-1;f>=1;f--){var g=b[e]&&b[e][f];if(a){if(a.call(this,g,e,f)===!1)break a}else;}},c.next_position_in_range=function(a,c,d){a||(a=1),c||(c=1);for(var e,f=this.gridmap,g=f.length,h=[],i=1;g>i;i++){e=d||f[i].length;for(var j=1;e>=j;j++){var k=this.can_move_to({size_x:a,size_y:c},i,j,d);k&&h.push({col:i,row:j,size_y:c,size_x:a})}}return h.length>=1?b.sort_by_col_asc(h)[0]:!1},c.closest_to_right=function(a,b){if(!this.gridmap[a])return!1;for(var c=this.gridmap.length-1,d=a;c>=d;d++)if(this.gridmap[d][b])return{col:d,row:b};return!1},c.closest_to_left=function(a,b){this.gridmap.length-1;if(!this.gridmap[a])return!1;for(var c=a;c>=1;c--)if(this.gridmap[c][b])return{col:c,row:b};return!1},b});
\ No newline at end of file
diff --git a/package.json b/package.json
index 23354b5a..25a4bad8 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": "0.5.6",
+  "version": "0.5.8",
   "homepage": "http://gridster.net/",
   "author": {
     "name": "ducksboard",
diff --git a/src/jquery.draggable.js b/src/jquery.draggable.js
index d9b5d988..9d96e16f 100644
--- a/src/jquery.draggable.js
+++ b/src/jquery.draggable.js
@@ -33,7 +33,7 @@
         // stop : function(e) {}
     };
 
-    var $window = $(window);
+    var $window;
     var dir_map = { x : 'left', y : 'top' };
     var isTouch = !!('ontouchstart' in window);
 
@@ -44,7 +44,7 @@
     var idCounter = 0;
     var uniqId = function() {
         return ++idCounter + '';
-    }
+    };
 
     /**
     * Basic drag implementation for DOM elements inside a container.
@@ -78,6 +78,7 @@
     function Draggable(el, options) {
       this.options = $.extend({}, defaults, options);
       this.$document = $(document);
+      $window = options.window || $(window);
       this.$container = $(el);
       this.$dragitems = $(this.options.items, this.$container);
       this.is_dragging = false;
@@ -98,7 +99,7 @@
         this.disabled = false;
         this.events();
 
-        $(window).bind(this.nsEvent('resize'),
+        $window.bind(this.nsEvent('resize'),
             throttle($.proxy(this.calculate_dimensions, this), 200));
     };
 
@@ -156,9 +157,9 @@
         var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top);
 
         var left = Math.round(this.el_init_offset.left +
-            diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x);
+            diff_x - this.baseX + $window.scrollLeft() - this.win_offset_x);
         var top = Math.round(this.el_init_offset.top +
-            diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y);
+            diff_y - this.baseY + $window.scrollTop() - this.win_offset_y);
 
         if (this.options.limit) {
             if (left > this.player_max_left) {
@@ -176,8 +177,8 @@
             pointer: {
                 left: mouse_actual_pos.left,
                 top: mouse_actual_pos.top,
-                diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x),
-                diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y)
+                diff_left: diff_x + ($window.scrollLeft() - this.win_offset_x),
+                diff_top: diff_y + ($window.scrollTop() - this.win_offset_y)
             }
         };
     };
@@ -325,8 +326,8 @@
             this.helper = false;
         }
 
-        this.win_offset_y = $(window).scrollTop();
-        this.win_offset_x = $(window).scrollLeft();
+        this.win_offset_y = $window.scrollTop();
+        this.win_offset_x = $window.scrollLeft();
         this.scroll_offset_y = 0;
         this.scroll_offset_x = 0;
         this.el_init_offset = this.$player.offset();
@@ -405,7 +406,7 @@
 
         this.$container.off(this.ns);
         this.$document.off(this.ns);
-        $(window).off(this.ns);
+        $window.off(this.ns);
 
         $.removeData(this.$container, 'drag');
     };
diff --git a/src/jquery.gridster.js b/src/jquery.gridster.js
index 7bac9118..c8398962 100755
--- a/src/jquery.gridster.js
+++ b/src/jquery.gridster.js
@@ -3079,7 +3079,7 @@
 
         this.cols = Math.max(min_cols, cols, this.options.min_cols);
 
-        if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) {
+        if (max_cols !== Infinity) {
             this.cols = max_cols;
         }