!function(factory){"use strict";"function"==typeof define&&define.amd?define(["jquery","./draggable","./mouse","../version","../widget"],factory):factory(jQuery)}(function($){"use strict";function isOverAxis(x,reference,size){return reference<=x&&x<reference+size}return $.widget("ui.droppable",{version:"1.13.1",widgetEventPrefix:"drop",options:{accept:"*",addClasses:!0,greedy:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var proportions,o=this.options,accept=o.accept;this.isover=!1,this.isout=!0,this.accept="function"==typeof accept?accept:function(d){return d.is(accept)},this.proportions=function(){if(!arguments.length)return proportions=proportions||{width:this.element[0].offsetWidth,height:this.element[0].offsetHeight};proportions=arguments[0]},this._addToManager(o.scope),o.addClasses&&this._addClass("ui-droppable")},_addToManager:function(scope){$.ui.ddmanager.droppables[scope]=$.ui.ddmanager.droppables[scope]||[],$.ui.ddmanager.droppables[scope].push(this)},_splice:function(drop){for(var i=0;i<drop.length;i++)drop[i]===this&&drop.splice(i,1)},_destroy:function(){var drop=$.ui.ddmanager.droppables[this.options.scope];this._splice(drop)},_setOption:function(key,value){var drop;"accept"===key?this.accept="function"==typeof value?value:function(d){return d.is(value)}:"scope"===key&&(drop=$.ui.ddmanager.droppables[this.options.scope],this._splice(drop),this._addToManager(value)),this._super(key,value)},_activate:function(event){var draggable=$.ui.ddmanager.current;this._addActiveClass(),draggable&&this._trigger("activate",event,this.ui(draggable))},_deactivate:function(event){var draggable=$.ui.ddmanager.current;this._removeActiveClass(),draggable&&this._trigger("deactivate",event,this.ui(draggable))},_over:function(event){var draggable=$.ui.ddmanager.current;draggable&&(draggable.currentItem||draggable.element)[0]!==this.element[0]&&this.accept.call(this.element[0],draggable.currentItem||draggable.element)&&(this._addHoverClass(),this._trigger("over",event,this.ui(draggable)))},_out:function(event){var draggable=$.ui.ddmanager.current;draggable&&(draggable.currentItem||draggable.element)[0]!==this.element[0]&&this.accept.call(this.element[0],draggable.currentItem||draggable.element)&&(this._removeHoverClass(),this._trigger("out",event,this.ui(draggable)))},_drop:function(event,custom){var draggable=custom||$.ui.ddmanager.current,childrenIntersection=!1;return!(!draggable||(draggable.currentItem||draggable.element)[0]===this.element[0])&&(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var inst=$(this).droppable("instance");if(inst.options.greedy&&!inst.options.disabled&&inst.options.scope===draggable.options.scope&&inst.accept.call(inst.element[0],draggable.currentItem||draggable.element)&&$.ui.intersect(draggable,$.extend(inst,{offset:inst.element.offset()}),inst.options.tolerance,event))return!(childrenIntersection=!0)}),!childrenIntersection&&(!!this.accept.call(this.element[0],draggable.currentItem||draggable.element)&&(this._removeActiveClass(),this._removeHoverClass(),this._trigger("drop",event,this.ui(draggable)),this.element)))},ui:function(c){return{draggable:c.currentItem||c.element,helper:c.helper,position:c.position,offset:c.positionAbs}},_addHoverClass:function(){this._addClass("ui-droppable-hover")},_removeHoverClass:function(){this._removeClass("ui-droppable-hover")},_addActiveClass:function(){this._addClass("ui-droppable-active")},_removeActiveClass:function(){this._removeClass("ui-droppable-active")}}),$.ui.intersect=function(draggable,droppable,toleranceMode,event){if(!droppable.offset)return!1;var x1=(draggable.positionAbs||draggable.position.absolute).left+draggable.margins.left,y1=(draggable.positionAbs||draggable.position.absolute).top+draggable.margins.top,x2=x1+draggable.helperProportions.width,y2=y1+draggable.helperProportions.height,l=droppable.offset.left,t=droppable.offset.top,r=l+droppable.proportions().width,b=t+droppable.proportions().height;switch(toleranceMode){case"fit":return l<=x1&&x2<=r&&t<=y1&&y2<=b;case"intersect":return l<x1+draggable.helperProportions.width/2&&x2-draggable.helperProportions.width/2<r&&t<y1+draggable.helperProportions.height/2&&y2-draggable.helperProportions.height/2<b;case"pointer":return isOverAxis(event.pageY,t,droppable.proportions().height)&&isOverAxis(event.pageX,l,droppable.proportions().width);case"touch":return(t<=y1&&y1<=b||t<=y2&&y2<=b||y1<t&&b<y2)&&(l<=x1&&x1<=r||l<=x2&&x2<=r||x1<l&&r<x2);default:return!1}},!($.ui.ddmanager={current:null,droppables:{default:[]},prepareOffsets:function(t,event){var i,j,m=$.ui.ddmanager.droppables[t.options.scope]||[],type=event?event.type:null,list=(t.currentItem||t.element).find(":data(ui-droppable)").addBack();droppablesLoop:for(i=0;i<m.length;i++)if(!(m[i].options.disabled||t&&!m[i].accept.call(m[i].element[0],t.currentItem||t.element))){for(j=0;j<list.length;j++)if(list[j]===m[i].element[0]){m[i].proportions().height=0;continue droppablesLoop}m[i].visible="none"!==m[i].element.css("display"),m[i].visible&&("mousedown"===type&&m[i]._activate.call(m[i],event),m[i].offset=m[i].element.offset(),m[i].proportions({width:m[i].element[0].offsetWidth,height:m[i].element[0].offsetHeight}))}},drop:function(draggable,event){var dropped=!1;return $.each(($.ui.ddmanager.droppables[draggable.options.scope]||[]).slice(),function(){this.options&&(!this.options.disabled&&this.visible&&$.ui.intersect(draggable,this,this.options.tolerance,event)&&(dropped=this._drop.call(this,event)||dropped),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],draggable.currentItem||draggable.element)&&(this.isout=!0,this.isover=!1,this._deactivate.call(this,event)))}),dropped},dragStart:function(draggable,event){draggable.element.parentsUntil("body").on("scroll.droppable",function(){draggable.options.refreshPositions||$.ui.ddmanager.prepareOffsets(draggable,event)})},drag:function(draggable,event){draggable.options.refreshPositions&&$.ui.ddmanager.prepareOffsets(draggable,event),$.each($.ui.ddmanager.droppables[draggable.options.scope]||[],function(){var parentInstance,scope,parent,intersects;this.options.disabled||this.greedyChild||!this.visible||(intersects=!(intersects=$.ui.intersect(draggable,this,this.options.tolerance,event))&&this.isover?"isout":intersects&&!this.isover?"isover":null)&&(this.options.greedy&&(scope=this.options.scope,(parent=this.element.parents(":data(ui-droppable)").filter(function(){return $(this).droppable("instance").options.scope===scope})).length&&((parentInstance=$(parent[0]).droppable("instance")).greedyChild="isover"===intersects)),parentInstance&&"isover"===intersects&&(parentInstance.isover=!1,parentInstance.isout=!0,parentInstance._out.call(parentInstance,event)),this[intersects]=!0,this["isout"===intersects?"isover":"isout"]=!1,this["isover"===intersects?"_over":"_out"].call(this,event),parentInstance&&"isout"===intersects&&(parentInstance.isout=!1,parentInstance.isover=!0,parentInstance._over.call(parentInstance,event)))})},dragStop:function(draggable,event){draggable.element.parentsUntil("body").off("scroll.droppable"),draggable.options.refreshPositions||$.ui.ddmanager.prepareOffsets(draggable,event)}})!==$.uiBackCompat&&$.widget("ui.droppable",$.ui.droppable,{options:{hoverClass:!1,activeClass:!1},_addActiveClass:function(){this._super(),this.options.activeClass&&this.element.addClass(this.options.activeClass)},_removeActiveClass:function(){this._super(),this.options.activeClass&&this.element.removeClass(this.options.activeClass)},_addHoverClass:function(){this._super(),this.options.hoverClass&&this.element.addClass(this.options.hoverClass)},_removeHoverClass:function(){this._super(),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass)}}),$.ui.droppable});