minify js

dist/gridstack.min.js

+(function(scope,_){var Utils={is_intercepted:function(a,b){return!(a.x+a.width<=b.x||b.x+b.width<=a.x||a.y+a.height<=b.y||b.y+b.height<=a.y)},sort:function(nodes,dir,width){width=width||_.chain(nodes).map(function(node){return node.x+node.width}).max().value();dir=dir!=-1?1:-1;return _.sortBy(nodes,function(n){return dir*(n.x+n.y*width)})},create_stylesheet:function(){var style=document.createElement("style");style.appendChild(document.createTextNode(""));document.head.appendChild(style);return style.sheet},toBool:function(v){if(typeof v=="boolean")return v;if(typeof v=="string"){v=v.toLowerCase();return!(v==""||v=="no"||v=="false"||v=="0")}return Boolean(v)}};var id_seq=0;var GridStackEngine=function(width,onchange,float,height,items){this.width=width;this.float=float||false;this.height=height||0;this.nodes=items||[];this.onchange=onchange||function(){}};GridStackEngine.prototype._fix_collisions=function(node){this._sort_nodes(-1);var nn=node,has_locked=Boolean(_.find(this.nodes,function(n){return n.locked}));if(!this.float&&!has_locked){nn={x:0,y:node.y,width:this.width,height:node.height}}while(true){var collision_node=_.find(this.nodes,function(n){return n!=node&&Utils.is_intercepted(n,nn)},this);if(typeof collision_node=="undefined"){return}this.move_node(collision_node,collision_node.x,node.y+node.height,collision_node.width,collision_node.height,true)}};GridStackEngine.prototype._sort_nodes=function(dir){this.nodes=Utils.sort(this.nodes,dir,this.width)};GridStackEngine.prototype._pack_nodes=function(){this._sort_nodes();if(this.float){_.each(this.nodes,function(n,i){if(n._updating||typeof n._orig_y=="undefined"||n.y==n._orig_y)return;var new_y=n.y;while(new_y>=n._orig_y){var collision_node=_.chain(this.nodes).find(function(bn){return n!=bn&&Utils.is_intercepted({x:n.x,y:new_y,width:n.width,height:n.height},bn)}).value();if(!collision_node){n._dirty=true;n.y=new_y}--new_y}},this)}else{_.each(this.nodes,function(n,i){if(n.locked)return;while(n.y>0){var new_y=n.y-1;var can_be_moved=i==0;if(i>0){var collision_node=_.chain(this.nodes).first(i).find(function(bn){return Utils.is_intercepted({x:n.x,y:new_y,width:n.width,height:n.height},bn)}).value();can_be_moved=typeof collision_node=="undefined"}if(!can_be_moved){break}n._dirty=n.y!=new_y;n.y=new_y}},this)}};GridStackEngine.prototype._prepare_node=function(node,resizing){node=_.defaults(node||{},{width:1,height:1,x:0,y:0});node.x=parseInt(""+node.x);node.y=parseInt(""+node.y);node.width=parseInt(""+node.width);node.height=parseInt(""+node.height);node.auto_position=node.auto_position||false;node.no_resize=node.no_resize||false;node.no_move=node.no_move||false;if(node.width>this.width){node.width=this.width}else if(node.width<1){node.width=1}if(node.height<1){node.height=1}if(node.x<0){node.x=0}if(node.x+node.width>this.width){if(resizing){node.width=this.width-node.x}else{node.x=this.width-node.width}}if(node.y<0){node.y=0}return node};GridStackEngine.prototype._notify=function(){var deleted_nodes=Array.prototype.slice.call(arguments,1).concat(this.get_dirty_nodes());deleted_nodes=deleted_nodes.concat(this.get_dirty_nodes());this.onchange(deleted_nodes)};GridStackEngine.prototype.clean_nodes=function(){_.each(this.nodes,function(n){n._dirty=false})};GridStackEngine.prototype.get_dirty_nodes=function(){return _.filter(this.nodes,function(n){return n._dirty})};GridStackEngine.prototype.add_node=function(node){node=this._prepare_node(node);if(typeof node.max_width!="undefined")node.width=Math.min(node.width,node.max_width);if(typeof node.max_height!="undefined")node.height=Math.min(node.height,node.max_height);if(typeof node.min_width!="undefined")node.width=Math.max(node.width,node.min_width);if(typeof node.min_height!="undefined")node.height=Math.max(node.height,node.min_height);node._id=++id_seq;node._dirty=true;if(node.auto_position){this._sort_nodes();for(var i=0;;++i){var x=i%this.width,y=Math.floor(i/this.width);if(x+node.width>this.width){continue}if(!_.find(this.nodes,function(n){return Utils.is_intercepted({x:x,y:y,width:node.width,height:node.height},n)})){node.x=x;node.y=y;break}}}this.nodes.push(node);this._fix_collisions(node);this._pack_nodes();this._notify();return node};GridStackEngine.prototype.remove_node=function(node){node._id=null;this.nodes=_.without(this.nodes,node);this._pack_nodes();this._notify(node)};GridStackEngine.prototype.can_move_node=function(node,x,y,width,height){var has_locked=Boolean(_.find(this.nodes,function(n){return n.locked}));if(!this.height&&!has_locked)return true;var cloned_node;var clone=new GridStackEngine(this.width,null,this.float,0,_.map(this.nodes,function(n){if(n==node){cloned_node=$.extend({},n);return cloned_node}return $.extend({},n)}));clone.move_node(cloned_node,x,y,width,height);var res=true;if(has_locked)res&=!Boolean(_.find(clone.nodes,function(n){return n!=cloned_node&&Boolean(n.locked)&&Boolean(n._dirty)}));if(this.height)res&=clone.get_grid_height()<=this.height;return res};GridStackEngine.prototype.can_be_placed_with_respect_to_height=function(node){if(!this.height)return true;var clone=new GridStackEngine(this.width,null,this.float,0,_.map(this.nodes,function(n){return $.extend({},n)}));clone.add_node(node);return clone.get_grid_height()<=this.height};GridStackEngine.prototype.move_node=function(node,x,y,width,height,no_pack){if(typeof x!="number")x=node.x;if(typeof y!="number")y=node.y;if(typeof width!="number")width=node.width;if(typeof height!="number")height=node.height;if(typeof node.max_width!="undefined")width=Math.min(width,node.max_width);if(typeof node.max_height!="undefined")height=Math.min(height,node.max_height);if(typeof node.min_width!="undefined")width=Math.max(width,node.min_width);if(typeof node.min_height!="undefined")height=Math.max(height,node.min_height);if(node.x==x&&node.y==y&&node.width==width&&node.height==height){return node}var resizing=node.width!=width;node._dirty=true;node.x=x;node.y=y;node.width=width;node.height=height;node=this._prepare_node(node,resizing);this._fix_collisions(node);if(!no_pack){this._pack_nodes();this._notify()}return node};GridStackEngine.prototype.get_grid_height=function(){return _.reduce(this.nodes,function(memo,n){return Math.max(memo,n.y+n.height)},0)};GridStackEngine.prototype.begin_update=function(node){_.each(this.nodes,function(n){n._orig_y=n.y});node._updating=true};GridStackEngine.prototype.end_update=function(){var n=_.find(this.nodes,function(n){return n._updating});if(n){n._updating=false}};var GridStack=function(el,opts){var self=this,one_column_mode;this.container=$(el);this.opts=_.defaults(opts||{},{width:parseInt(this.container.attr("data-gs-width"))||12,height:parseInt(this.container.attr("data-gs-height"))||0,item_class:"grid-stack-item",placeholder_class:"grid-stack-placeholder",handle:".grid-stack-item-content",cell_height:60,vertical_margin:20,auto:true,min_width:768,"float":false,_class:"grid-stack-"+(Math.random()*1e4).toFixed(0),animate:Boolean(this.container.attr("data-gs-animate"))||false});this.container.addClass(this.opts._class);this._styles=Utils.create_stylesheet();this._styles._max=0;this.grid=new GridStackEngine(this.opts.width,function(nodes){var max_height=0;_.each(nodes,function(n){if(n._id==null){n.el.remove()}else{n.el.attr("data-gs-x",n.x).attr("data-gs-y",n.y).attr("data-gs-width",n.width).attr("data-gs-height",n.height);max_height=Math.max(max_height,n.y+n.height)}});self._update_styles(max_height+10)},this.opts.float,this.opts.height);if(this.opts.auto){var elements=[];this.container.find("."+this.opts.item_class).each(function(index,el){el=$(el);elements.push({el:el,i:parseInt(el.attr("data-gs-x"))+parseInt(el.attr("data-gs-y"))*parseInt(el.attr("data-gs-width"))})});_.chain(elements).sortBy(function(x){return x.i}).each(function(i){self._prepare_element(i.el)})}this.set_animation(this.opts.animate);this.placeholder=$('<div class="'+this.opts.placeholder_class+" "+this.opts.item_class+'"><div class="placeholder-content" /></div>').hide();this.container.append(this.placeholder);this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin);var on_resize_handler=function(){if(self._is_one_column_mode()){if(one_column_mode)return;one_column_mode=true;_.each(self.grid.nodes,function(node){if(!node.no_move){node.el.draggable("disable")}if(!node.no_resize){node.el.resizable("disable")}})}else{if(!one_column_mode)return;one_column_mode=false;_.each(self.grid.nodes,function(node){if(!node.no_move){node.el.draggable("enable")}if(!node.no_resize){node.el.resizable("enable")}})}};$(window).resize(on_resize_handler);on_resize_handler()};GridStack.prototype._update_styles=function(max_height){if(typeof max_height=="undefined"){max_height=this._styles._max;this._styles._max=0;while(this._styles.rules.length){this._styles.removeRule(0)}this._update_container_height()}if(max_height>this._styles._max){for(var i=this._styles._max;i<max_height;++i){var css;css="."+this.opts._class+" ."+this.opts.item_class+'[data-gs-height="'+(i+1)+'"] { height: '+(this.opts.cell_height*(i+1)+this.opts.vertical_margin*i)+"px; }";this._styles.insertRule(css,i);css="."+this.opts._class+" ."+this.opts.item_class+'[data-gs-y="'+i+'"] { top: '+(this.opts.cell_height*i+this.opts.vertical_margin*i)+"px; }";this._styles.insertRule(css,i)}this._styles._max=max_height}};GridStack.prototype._update_container_height=function(){this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin)};GridStack.prototype._is_one_column_mode=function(){return $(window).width()<=this.opts.min_width};GridStack.prototype._prepare_element=function(el){var self=this;el=$(el);el.addClass(this.opts.item_class);var node=self.grid.add_node({x:el.attr("data-gs-x"),y:el.attr("data-gs-y"),width:el.attr("data-gs-width"),height:el.attr("data-gs-height"),max_width:el.attr("data-gs-max-width"),min_width:el.attr("data-gs-min-width"),max_height:el.attr("data-gs-max-height")||100,min_height:el.attr("data-gs-min-height"),auto_position:Utils.toBool(el.attr("data-gs-auto-position")),no_resize:Utils.toBool(el.attr("data-gs-no-resize")),no_move:Utils.toBool(el.attr("data-gs-no-move")),locked:Utils.toBool(el.attr("data-gs-locked")),el:el});el.data("_gridstack_node",node);var cell_width,cell_height;var on_start_moving=function(event,ui){var o=$(this);self.grid.clean_nodes();self.grid.begin_update(node);cell_width=Math.ceil(o.outerWidth()/o.attr("data-gs-width"));cell_height=self.opts.cell_height+self.opts.vertical_margin;self.placeholder.attr("data-gs-x",o.attr("data-gs-x")).attr("data-gs-y",o.attr("data-gs-y")).attr("data-gs-width",o.attr("data-gs-width")).attr("data-gs-height",o.attr("data-gs-height")).show();node.el=self.placeholder};var on_end_moving=function(event,ui){var o=$(this);node.el=o;self.placeholder.hide();o.attr("data-gs-x",node.x).attr("data-gs-y",node.y).attr("data-gs-width",node.width).attr("data-gs-height",node.height).removeAttr("style");self._update_container_height();self.container.trigger("change",[self.grid.get_dirty_nodes()]);self.grid.end_update();self.grid._sort_nodes();setTimeout(function(){_.each(self.grid.nodes,function(node){node.el.detach();self.container.append(node.el)})},self.opts.animate?300:0)};el.draggable({handle:this.opts.handle,scroll:true,appendTo:"body",start:on_start_moving,stop:on_end_moving,drag:function(event,ui){var x=Math.round(ui.position.left/cell_width),y=Math.floor((ui.position.top+cell_height/2)/cell_height);if(!self.grid.can_move_node(node,x,y,node.width,node.height)){return}self.grid.move_node(node,x,y);self._update_container_height()}}).resizable({autoHide:true,handles:"se",minHeight:this.opts.cell_height-10,minWidth:70,start:on_start_moving,stop:on_end_moving,resize:function(event,ui){var width=Math.round(ui.size.width/cell_width),height=Math.round(ui.size.height/cell_height);if(!self.grid.can_move_node(node,node.x,node.y,width,height)){return}self.grid.move_node(node,node.x,node.y,width,height);self._update_container_height()}});if(node.no_move||this._is_one_column_mode()){el.draggable("disable")}if(node.no_resize||this._is_one_column_mode()){el.resizable("disable")}el.attr("data-gs-locked",node.locked?"yes":null)};GridStack.prototype.set_animation=function(enable){if(enable){this.container.addClass("grid-stack-animate")}else{this.container.removeClass("grid-stack-animate")}};GridStack.prototype.add_widget=function(el,x,y,width,height,auto_position){el=$(el);if(typeof x!="undefined")el.attr("data-gs-x",x);if(typeof y!="undefined")el.attr("data-gs-y",y);if(typeof width!="undefined")el.attr("data-gs-width",width);if(typeof height!="undefined")el.attr("data-gs-height",height);if(typeof auto_position!="undefined")el.attr("data-gs-auto-position",auto_position?"yes":null);this.container.append(el);this._prepare_element(el);this._update_container_height()};GridStack.prototype.will_it_fit=function(x,y,width,height,auto_position){var node={x:x,y:y,width:width,height:height,auto_position:auto_position};return this.grid.can_be_placed_with_respect_to_height(node)};GridStack.prototype.remove_widget=function(el){el=$(el);var node=el.data("_gridstack_node");this.grid.remove_node(node);el.remove();this._update_container_height()};GridStack.prototype.remove_all=function(){_.each(this.grid.nodes,function(node){node.el.remove()});this.grid.nodes=[];this._update_container_height()};GridStack.prototype.resizable=function(el,val){el=$(el);el.each(function(index,el){el=$(el);var node=el.data("_gridstack_node");if(typeof node=="undefined"){return}node.no_resize=!(val||false);if(node.no_resize){el.resizable("disable")}else{el.resizable("enable")}});return this};GridStack.prototype.movable=function(el,val){el=$(el);el.each(function(index,el){el=$(el);var node=el.data("_gridstack_node");if(typeof node=="undefined"){return}node.no_move=!(val||false);if(node.no_move){el.draggable("disable")}else{el.draggable("enable")}});return this};GridStack.prototype.locked=function(el,val){el=$(el);el.each(function(index,el){el=$(el);var node=el.data("_gridstack_node");if(typeof node=="undefined"){return}node.locked=val||false;el.attr("data-gs-locked",node.locked?"yes":null)});return this};GridStack.prototype._update_element=function(el,callback){el=$(el).first();var node=el.data("_gridstack_node");if(typeof node=="undefined"){return}var self=this;self.grid.clean_nodes();self.grid.begin_update(node);callback.call(this,el,node);self._update_container_height();self.container.trigger("change",[self.grid.get_dirty_nodes()]);self.grid.end_update();self.grid._sort_nodes();_.each(self.grid.nodes,function(node){node.el.detach();self.container.append(node.el)})};GridStack.prototype.resize=function(el,width,height){this._update_element(el,function(el,node){width=width!=null&&typeof width!="undefined"?width:node.width;height=height!=null&&typeof height!="undefined"?height:node.height;this.grid.move_node(node,node.x,node.y,width,height)})};GridStack.prototype.move=function(el,x,y){this._update_element(el,function(el,node){x=x!=null&&typeof x!="undefined"?x:node.x;y=y!=null&&typeof y!="undefined"?y:node.y;this.grid.move_node(node,x,y,node.width,node.height)})};GridStack.prototype.cell_height=function(val){if(typeof val=="undefined"){return this.opts.cell_height}val=parseInt(val);if(val==this.opts.cell_height)return;this.opts.cell_height=val||this.opts.cell_height;this._update_styles()};GridStack.prototype.cell_width=function(){var o=this.container.find("."+this.opts.item_class).first();return Math.ceil(o.outerWidth()/o.attr("data-gs-width"))};scope.GridStackUI=GridStack;scope.GridStackUI.Utils=Utils;$.fn.gridstack=function(opts){return this.each(function(){if(!$(this).data("gridstack")){$(this).data("gridstack",new GridStack(this,opts))}})}})(window,_);
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