/*! jQuery UI - v1.9.2 - 2015-03-29
* http://jqueryui.com
* Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */

(function(e){e.widget("ui.droppable",{version:"1.9.2",widgetEventPrefix:"drop",options:{accept:"*",activeClass:!1,addClasses:!0,greedy:!1,hoverClass:!1,scope:"default",tolerance:"intersect"},_create:function(){var t=this.options,i=t.accept;this.isover=0,this.isout=1,this.accept=e.isFunction(i)?i:function(e){return e.is(i)},this.proportions={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight},e.ui.ddmanager.droppables[t.scope]=e.ui.ddmanager.droppables[t.scope]||[],e.ui.ddmanager.droppables[t.scope].push(this),t.addClasses&&this.element.addClass("ui-droppable")},_destroy:function(){for(var t=e.ui.ddmanager.droppables[this.options.scope],i=0;t.length>i;i++)t[i]==this&&t.splice(i,1);this.element.removeClass("ui-droppable ui-droppable-disabled")},_setOption:function(t,i){"accept"==t&&(this.accept=e.isFunction(i)?i:function(e){return e.is(i)}),e.Widget.prototype._setOption.apply(this,arguments)},_activate:function(t){var i=e.ui.ddmanager.current;this.options.activeClass&&this.element.addClass(this.options.activeClass),i&&this._trigger("activate",t,this.ui(i))},_deactivate:function(t){var i=e.ui.ddmanager.current;this.options.activeClass&&this.element.removeClass(this.options.activeClass),i&&this._trigger("deactivate",t,this.ui(i))},_over:function(t){var i=e.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!=this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this.options.hoverClass&&this.element.addClass(this.options.hoverClass),this._trigger("over",t,this.ui(i)))},_out:function(t){var i=e.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!=this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("out",t,this.ui(i)))},_drop:function(t,i){var s=i||e.ui.ddmanager.current;if(!s||(s.currentItem||s.element)[0]==this.element[0])return!1;var a=!1;return this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function(){var t=e.data(this,"droppable");return t.options.greedy&&!t.options.disabled&&t.options.scope==s.options.scope&&t.accept.call(t.element[0],s.currentItem||s.element)&&e.ui.intersect(s,e.extend(t,{offset:t.element.offset()}),t.options.tolerance)?(a=!0,!1):undefined}),a?!1:this.accept.call(this.element[0],s.currentItem||s.element)?(this.options.activeClass&&this.element.removeClass(this.options.activeClass),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("drop",t,this.ui(s)),this.element):!1},ui:function(e){return{draggable:e.currentItem||e.element,helper:e.helper,position:e.position,offset:e.positionAbs}}}),e.ui.intersect=function(t,i,s){if(!i.offset)return!1;var a=(t.positionAbs||t.position.absolute).left,n=a+t.helperProportions.width,r=(t.positionAbs||t.position.absolute).top,o=r+t.helperProportions.height,h=i.offset.left,l=h+i.proportions.width,u=i.offset.top,d=u+i.proportions.height;switch(s){case"fit":return a>=h&&l>=n&&r>=u&&d>=o;case"intersect":return a+t.helperProportions.width/2>h&&l>n-t.helperProportions.width/2&&r+t.helperProportions.height/2>u&&d>o-t.helperProportions.height/2;case"pointer":var c=(t.positionAbs||t.position.absolute).left+(t.clickOffset||t.offset.click).left,p=(t.positionAbs||t.position.absolute).top+(t.clickOffset||t.offset.click).top,m=e.ui.isOver(p,c,u,h,i.proportions.height,i.proportions.width);return m;case"touch":return(r>=u&&d>=r||o>=u&&d>=o||u>r&&o>d)&&(a>=h&&l>=a||n>=h&&l>=n||h>a&&n>l);default:return!1}},e.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(t,i){var s=e.ui.ddmanager.droppables[t.options.scope]||[],a=i?i.type:null,n=(t.currentItem||t.element).find(":data(droppable)").andSelf();e:for(var r=0;s.length>r;r++)if(!(s[r].options.disabled||t&&!s[r].accept.call(s[r].element[0],t.currentItem||t.element))){for(var o=0;n.length>o;o++)if(n[o]==s[r].element[0]){s[r].proportions.height=0;continue e}s[r].visible="none"!=s[r].element.css("display"),s[r].visible&&("mousedown"==a&&s[r]._activate.call(s[r],i),s[r].offset=s[r].element.offset(),s[r].proportions={width:s[r].element[0].offsetWidth,height:s[r].element[0].offsetHeight})}},drop:function(t,i){var s=!1;return e.each(e.ui.ddmanager.droppables[t.options.scope]||[],function(){this.options&&(!this.options.disabled&&this.visible&&e.ui.intersect(t,this,this.options.tolerance)&&(s=this._drop.call(this,i)||s),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],t.currentItem||t.element)&&(this.isout=1,this.isover=0,this._deactivate.call(this,i)))}),s},dragStart:function(t,i){t.element.parentsUntil("body").bind("scroll.droppable",function(){t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,i)})},drag:function(t,i){t.options.refreshPositions&&e.ui.ddmanager.prepareOffsets(t,i),e.each(e.ui.ddmanager.droppables[t.options.scope]||[],function(){if(!this.options.disabled&&!this.greedyChild&&this.visible){var s=e.ui.intersect(t,this,this.options.tolerance),a=s||1!=this.isover?s&&0==this.isover?"isover":null:"isout";if(a){var n;if(this.options.greedy){var r=this.options.scope,o=this.element.parents(":data(droppable)").filter(function(){return e.data(this,"droppable").options.scope===r});o.length&&(n=e.data(o[0],"droppable"),n.greedyChild="isover"==a?1:0)}n&&"isover"==a&&(n.isover=0,n.isout=1,n._out.call(n,i)),this[a]=1,this["isout"==a?"isover":"isout"]=0,this["isover"==a?"_over":"_out"].call(this,i),n&&"isout"==a&&(n.isout=0,n.isover=1,n._over.call(n,i))}}})},dragStop:function(t,i){t.element.parentsUntil("body").unbind("scroll.droppable"),t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,i)}}})(jQuery);