(function($){$.widget("ui.droppable",{_init:function(){var o=this.options,accept=o.accept;this.isover=0;this.isout=1;this.options.accept=this.options.accept&&$.isFunction(this.options.accept)?this.options.accept:function(d){return d.is(accept)};this.proportions={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight};$.ui.ddmanager.droppables[this.options.scope]=$.ui.ddmanager.droppables[this.options.scope]||[];$.ui.ddmanager.droppables[this.options.scope].push(this);(this.options.addClasses&&this.element.addClass("ui-droppable"))},destroy:function(){var drop=$.ui.ddmanager.droppables[this.options.scope];for(var i=0;i<drop.length;i++){if(drop[i]==this){drop.splice(i,1)}}this.element.removeClass("ui-droppable ui-droppable-disabled").removeData("droppable").unbind(".droppable")},_setData:function(key,value){if(key=="accept"){this.options.accept=value&&$.isFunction(value)?value:function(d){return d.is(value)}}else{$.widget.prototype._setData.apply(this,arguments)}},_activate:function(event){var draggable=$.ui.ddmanager.current;if(this.options.activeClass){this.element.addClass(this.options.activeClass)}(draggable&&this._trigger("activate",event,this.ui(draggable)))},_deactivate:function(event){var draggable=$.ui.ddmanager.current;if(this.options.activeClass){this.element.removeClass(this.options.activeClass)}(draggable&&this._trigger("deactivate",event,this.ui(draggable)))},_over:function(event){var draggable=$.ui.ddmanager.current;if(!draggable||(draggable.currentItem||draggable.element)[0]==this.element[0]){return }if(this.options.accept.call(this.element[0],(draggable.currentItem||draggable.element))){if(this.options.hoverClass){this.element.addClass(this.options.hoverClass)}this._trigger("over",event,this.ui(draggable))}},_out:function(event){var draggable=$.ui.ddmanager.current;if(!draggable||(draggable.currentItem||draggable.element)[0]==this.element[0]){return }if(this.options.accept.call(this.element[0],(draggable.currentItem||draggable.element))){if(this.options.hoverClass){this.element.removeClass(this.options.hoverClass)}this._trigger("out",event,this.ui(draggable))}},_drop:function(event,custom){var draggable=custom||$.ui.ddmanager.current;if(!draggable||(draggable.currentItem||draggable.element)[0]==this.element[0]){return false}var childrenIntersection=false;this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function(){var inst=$.data(this,"droppable");if(inst.options.greedy&&$.ui.intersect(draggable,$.extend(inst,{offset:inst.element.offset()}),inst.options.tolerance)){childrenIntersection=true;return false}});if(childrenIntersection){return false}if(this.options.accept.call(this.element[0],(draggable.currentItem||draggable.element))){if(this.options.activeClass){this.element.removeClass(this.options.activeClass)}if(this.options.hoverClass){this.element.removeClass(this.options.hoverClass)}this._trigger("drop",event,this.ui(draggable));return this.element}return false},ui:function(c){return{draggable:(c.currentItem||c.element),helper:c.helper,position:c.position,absolutePosition:c.positionAbs,offset:c.positionAbs}}});$.extend($.ui.droppable,{version:"1.7.2",eventPrefix:"drop",defaults:{accept:"*",activeClass:false,addClasses:true,greedy:false,hoverClass:false,scope:"default",tolerance:"intersect"}});$.ui.intersect=function(draggable,droppable,toleranceMode){if(!droppable.offset){return false}var x1=(draggable.positionAbs||draggable.position.absolute).left,x2=x1+draggable.helperProportions.width,y1=(draggable.positionAbs||draggable.position.absolute).top,y2=y1+draggable.helperProportions.height;var l=droppable.offset.left,r=l+droppable.proportions.width,t=droppable.offset.top,b=t+droppable.proportions.height;switch(toleranceMode){case"fit":return(l<x1&&x2<r&&t<y1&&y2<b);break;case"intersect":return(l<x1+(draggable.helperProportions.width/2)&&x2-(draggable.helperProportions.width/2)<r&&t<y1+(draggable.helperProportions.height/2)&&y2-(draggable.helperProportions.height/2)<b);break;case"pointer":var draggableLeft=((draggable.positionAbs||draggable.position.absolute).left+(draggable.clickOffset||draggable.offset.click).left),draggableTop=((draggable.positionAbs||draggable.position.absolute).top+(draggable.clickOffset||draggable.offset.click).top),isOver=$.ui.isOver(draggableTop,draggableLeft,t,l,droppable.proportions.height,droppable.proportions.width);return isOver;break;case"touch":return((y1>=t&&y1<=b)||(y2>=t&&y2<=b)||(y1<t&&y2>b))&&((x1>=l&&x1<=r)||(x2>=l&&x2<=r)||(x1<l&&x2>r));break;default:return false;break}};$.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(t,event){var m=$.ui.ddmanager.droppables[t.options.scope];var type=event?event.type:null;var list=(t.currentItem||t.element).find(":data(droppable)").andSelf();droppablesLoop:for(var i=0;i<m.length;i++){if(m[i].options.disabled||(t&&!m[i].options.accept.call(m[i].element[0],(t.currentItem||t.element)))){continue}for(var j=0;j<list.length;j++){if(list[j]==m[i].element[0]){m[i].proportions.height=0;continue droppablesLoop}}m[i].visible=m[i].element.css("display")!="none";if(!m[i].visible){continue}m[i].offset=m[i].element.offset();m[i].proportions={width:m[i].element[0].offsetWidth,height:m[i].element[0].offsetHeight};if(type=="mousedown"){m[i]._activate.call(m[i],event)}}},drop:function(draggable,event){var dropped=false;$.each($.ui.ddmanager.droppables[draggable.options.scope],function(){if(!this.options){return }if(!this.options.disabled&&this.visible&&$.ui.intersect(draggable,this,this.options.tolerance)){dropped=this._drop.call(this,event)}if(!this.options.disabled&&this.visible&&this.options.accept.call(this.element[0],(draggable.currentItem||draggable.element))){this.isout=1;this.isover=0;this._deactivate.call(this,event)}});return dropped},drag:function(draggable,event){if(draggable.options.refreshPositions){$.ui.ddmanager.prepareOffsets(draggable,event)}$.each($.ui.ddmanager.droppables[draggable.options.scope],function(){if(this.options.disabled||this.greedyChild||!this.visible){return }var intersects=$.ui.intersect(draggable,this,this.options.tolerance);var c=!intersects&&this.isover==1?"isout":(intersects&&this.isover==0?"isover":null);if(!c){return }var parentInstance;if(this.options.greedy){var parent=this.element.parents(":data(droppable):eq(0)");if(parent.length){parentInstance=$.data(parent[0],"droppable");parentInstance.greedyChild=(c=="isover"?1:0)}}if(parentInstance&&c=="isover"){parentInstance.isover=0;parentInstance.isout=1;parentInstance._out.call(parentInstance,event)}this[c]=1;this[c=="isout"?"isover":"isout"]=0;this[c=="isover"?"_over":"_out"].call(this,event);if(parentInstance&&c=="isout"){parentInstance.isout=0;parentInstance.isover=1;parentInstance._over.call(parentInstance,event)}})}}})(jQuery);