/*! jQuery UI - v1.10.1 - 2013-02-15
* http://jqueryui.com
* Includes: jquery.ui.droppable.js
* Copyright 2013 jQuery Foundation and other contributors; Licensed MIT */
(function(e,t){function n(e,t,n){return e>t&&e<t+n}e.widget("ui.droppable",{version:"1.10.1",widgetEventPrefix:"drop",options:{accept:"*",activeClass:!1,addClasses:!0,greedy:!1,hoverClass:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var t=this.options,n=t.accept;this.isover=!1,this.isout=!0,this.accept=e.isFunction(n)?n:function(e){return e.is(n)},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(){var t=0,n=e.ui.ddmanager.droppables[this.options.scope];for(;t<n.length;t++)n[t]===this&&n.splice(t,1);this.element.removeClass("ui-droppable ui-droppable-disabled")},_setOption:function(t,n){t==="accept"&&(this.accept=e.isFunction(n)?n:function(e){return e.is(n)}),e.Widget.prototype._setOption.apply(this,arguments)},_activate:function(t){var n=e.ui.ddmanager.current;this.options.activeClass&&this.element.addClass(this.options.activeClass),n&&this._trigger("activate",t,this.ui(n))},_deactivate:function(t){var n=e.ui.ddmanager.current;this.options.activeClass&&this.element.removeClass(this.options.activeClass),n&&this._trigger("deactivate",t,this.ui(n))},_over:function(t){var n=e.ui.ddmanager.current;if(!n||(n.currentItem||n.element)[0]===this.element[0])return;this.accept.call(this.element[0],n.currentItem||n.element)&&(this.options.hoverClass&&this.element.addClass(this.options.hoverClass),this._trigger("over",t,this.ui(n)))},_out:function(t){var n=e.ui.ddmanager.current;if(!n||(n.currentItem||n.element)[0]===this.element[0])return;this.accept.call(this.element[0],n.currentItem||n.element)&&(this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("out",t,this.ui(n)))},_drop:function(t,n){var r=n||e.ui.ddmanager.current,i=!1;return!r||(r.currentItem||r.element)[0]===this.element[0]?!1:(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var t=e.data(this,"ui-droppable");if(t.options.greedy&&!t.options.disabled&&t.options.scope===r.options.scope&&t.accept.call(t.element[0],r.currentItem||r.element)&&e.ui.intersect(r,e.extend(t,{offset:t.element.offset()}),t.options.tolerance))return i=!0,!1}),i?!1:this.accept.call(this.element[0],r.currentItem||r.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(r)),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(e,t,r){if(!t.offset)return!1;var i,s,o=(e.positionAbs||e.position.absolute).left,u=o+e.helperProportions.width,a=(e.positionAbs||e.position.absolute).top,f=a+e.helperProportions.height,l=t.offset.left,c=l+t.proportions.width,h=t.offset.top,p=h+t.proportions.height;switch(r){case"fit":return l<=o&&u<=c&&h<=a&&f<=p;case"intersect":return l<o+e.helperProportions.width/2&&u-e.helperProportions.width/2<c&&h<a+e.helperProportions.height/2&&f-e.helperProportions.height/2<p;case"pointer":return i=(e.positionAbs||e.position.absolute).left+(e.clickOffset||e.offset.click).left,s=(e.positionAbs||e.position.absolute).top+(e.clickOffset||e.offset.click).top,n(s,h,t.proportions.height)&&n(i,l,t.proportions.width);case"touch":return(a>=h&&a<=p||f>=h&&f<=p||a<h&&f>p)&&(o>=l&&o<=c||u>=l&&u<=c||o<l&&u>c);default:return!1}},e.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(t,n){var r,i,s=e.ui.ddmanager.droppables[t.options.scope]||[],o=n?n.type:null,u=(t.currentItem||t.element).find(":data(ui-droppable)").addBack();e:for(r=0;r<s.length;r++){if(s[r].options.disabled||t&&!s[r].accept.call(s[r].element[0],t.currentItem||t.element))continue;for(i=0;i<u.length;i++)if(u[i]===s[r].element[0]){s[r].proportions.height=0;continue e}s[r].visible=s[r].element.css("display")!=="none";if(!s[r].visible)continue;o==="mousedown"&&s[r]._activate.call(s[r],n),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,n){var r=!1;return e.each(e.ui.ddmanager.droppables[t.options.scope]||[],function(){if(!this.options)return;!this.options.disabled&&this.visible&&e.ui.intersect(t,this,this.options.tolerance)&&(r=this._drop.call(this,n)||r),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],t.currentItem||t.element)&&(this.isout=!0,this.isover=!1,this._deactivate.call(this,n))}),r},dragStart:function(t,n){t.element.parentsUntil("body").bind("scroll.droppable",function(){t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,n)})},drag:function(t,n){t.options.refreshPositions&&e.ui.ddmanager.prepareOffsets(t,n),e.each(e.ui.ddmanager.droppables[t.options.scope]||[],function(){if(this.options.disabled||this.greedyChild||!this.visible)return;var r,i,s,o=e.ui.intersect(t,this,this.options.tolerance),u=!o&&this.isover?"isout":o&&!this.isover?"isover":null;if(!u)return;this.options.greedy&&(i=this.options.scope,s=this.element.parents(":data(ui-droppable)").filter(function(){return e.data(this,"ui-droppable").options.scope===i}),s.length&&(r=e.data(s[0],"ui-droppable"),r.greedyChild=u==="isover")),r&&u==="isover"&&(r.isover=!1,r.isout=!0,r._out.call(r,n)),this[u]=!0,this[u==="isout"?"isover":"isout"]=!1,this[u==="isover"?"_over":"_out"].call(this,n),r&&u==="isout"&&(r.isout=!1,r.isover=!0,r._over.call(r,n))})},dragStop:function(t,n){t.element.parentsUntil("body").unbind("scroll.droppable"),t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,n)}}})(jQuery);