(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&&this.options.accept.constructor==Function?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]||[];$.ui.ddmanager.droppables[this.options.scope].push(this);(this.options.cssNamespace&&this.element.addClass(this.options.cssNamespace+"-droppable"));},plugins:{},ui:function(c){return{draggable:(c.currentItem||c.element),helper:c.helper,position:c.position,absolutePosition:c.positionAbs,options:this.options,element:this.element};},destroy:function(){var drop=$.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-disabled").removeData("droppable").unbind(".droppable");},_over:function(e){var draggable=$.ui.ddmanager.current;if(!draggable||(draggable.currentItem||draggable.element)[0]==this.element[0])return;if(this.options.accept.call(this.element,(draggable.currentItem||draggable.element))){$.ui.plugin.call(this,'over',[e,this.ui(draggable)]);this.element.triggerHandler("dropover",[e,this.ui(draggable)],this.options.over);}},_out:function(e){var draggable=$.ui.ddmanager.current;if(!draggable||(draggable.currentItem||draggable.element)[0]==this.element[0])return;if(this.options.accept.call(this.element,(draggable.currentItem||draggable.element))){$.ui.plugin.call(this,'out',[e,this.ui(draggable)]);this.element.triggerHandler("dropout",[e,this.ui(draggable)],this.options.out);}},_drop:function(e,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,(draggable.currentItem||draggable.element))){$.ui.plugin.call(this,'drop',[e,this.ui(draggable)]);this.element.triggerHandler("drop",[e,this.ui(draggable)],this.options.drop);return true;}
return false;},_activate:function(e){var draggable=$.ui.ddmanager.current;$.ui.plugin.call(this,'activate',[e,this.ui(draggable)]);if(draggable)this.element.triggerHandler("dropactivate",[e,this.ui(draggable)],this.options.activate);},_deactivate:function(e){var draggable=$.ui.ddmanager.current;$.ui.plugin.call(this,'deactivate',[e,this.ui(draggable)]);if(draggable)this.element.triggerHandler("dropdeactivate",[e,this.ui(draggable)],this.options.deactivate);}});$.extend($.ui.droppable,{defaults:{disabled:false,tolerance:'intersect',scope:'default',cssNamespace:'ui'}});$.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':return(l<((draggable.positionAbs||draggable.position.absolute).left+(draggable.clickOffset||draggable.offset.click).left)&&((draggable.positionAbs||draggable.position.absolute).left+(draggable.clickOffset||draggable.offset.click).left)<r&&t<((draggable.positionAbs||draggable.position.absolute).top+(draggable.clickOffset||draggable.offset.click).top)&&((draggable.positionAbs||draggable.position.absolute).top+(draggable.clickOffset||draggable.offset.click).top)<b);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;}};$.ui.ddmanager={current:null,droppables:{'default':[]},prepareOffsets:function(t,e){var m=$.ui.ddmanager.droppables[t.options.scope];var type=e?e.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,(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=="dragstart"||type=="sortactivate")m[i]._activate.call(m[i],e);}},drop:function(draggable,e){var dropped=false;$.each($.ui.ddmanager.droppables[draggable.options.scope],function(){if(!this.options)return;if(!this.options.disabled&&this.visible&&$.ui.intersect(draggable,this,this.options.tolerance))
dropped=this._drop.call(this,e);if(!this.options.disabled&&this.visible&&this.options.accept.call(this.element,(draggable.currentItem||draggable.element))){this.isout=1;this.isover=0;this._deactivate.call(this,e);}});return dropped;},drag:function(draggable,e){if(draggable.options.refreshPositions)$.ui.ddmanager.prepareOffsets(draggable,e);$.each($.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,e);}
this[c]=1;this[c=='isout'?'isover':'isout']=0;this[c=="isover"?"_over":"_out"].call(this,e);if(parentInstance&&c=='isout'){parentInstance['isout']=0;parentInstance['isover']=1;parentInstance._over.call(parentInstance,e);}});}};$.ui.plugin.add("droppable","activeClass",{activate:function(e,ui){$(this).addClass(ui.options.activeClass);},deactivate:function(e,ui){$(this).removeClass(ui.options.activeClass);},drop:function(e,ui){$(this).removeClass(ui.options.activeClass);}});$.ui.plugin.add("droppable","hoverClass",{over:function(e,ui){$(this).addClass(ui.options.hoverClass);},out:function(e,ui){$(this).removeClass(ui.options.hoverClass);},drop:function(e,ui){$(this).removeClass(ui.options.hoverClass);}});})(jQuery);