/*! jQuery UI - v1.10.3 - 2013-09-20
* http://jqueryui.com
* Copyright 2013 jQuery Foundation and other contributors; Licensed MIT */

(function(e){function t(e,t,i){return e>t&&t+i>e}e.widget("ui.droppable",{version:"1.10.3",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,i=t.accept;this.isover=!1,this.isout=!0,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=0,i=e.ui.ddmanager.droppables[this.options.scope];i.length>t;t++)i[t]===this&&i.splice(t,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 a=i||e.ui.ddmanager.current,s=!1;return a&&(a.currentItem||a.element)[0]!==this.element[0]?(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var t=e.data(this,"ui-droppable");return t.options.greedy&&!t.options.disabled&&t.options.scope===a.options.scope&&t.accept.call(t.element[0],a.currentItem||a.element)&&e.ui.intersect(a,e.extend(t,{offset:t.element.offset()}),t.options.tolerance)?(s=!0,!1):undefined}),s?!1:this.accept.call(this.element[0],a.currentItem||a.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(a)),this.element):!1):!1},ui:function(e){return{draggable:e.currentItem||e.element,helper:e.helper,position:e.position,offset:e.positionAbs}}}),e.ui.intersect=function(e,i,a){if(!i.offset)return!1;var s,n,r=(e.positionAbs||e.position.absolute).left,o=r+e.helperProportions.width,l=(e.positionAbs||e.position.absolute).top,h=l+e.helperProportions.height,u=i.offset.left,d=u+i.proportions.width,c=i.offset.top,p=c+i.proportions.height;switch(a){case"fit":return r>=u&&d>=o&&l>=c&&p>=h;case"intersect":return r+e.helperProportions.width/2>u&&d>o-e.helperProportions.width/2&&l+e.helperProportions.height/2>c&&p>h-e.helperProportions.height/2;case"pointer":return s=(e.positionAbs||e.position.absolute).left+(e.clickOffset||e.offset.click).left,n=(e.positionAbs||e.position.absolute).top+(e.clickOffset||e.offset.click).top,t(n,c,i.proportions.height)&&t(s,u,i.proportions.width);case"touch":return(l>=c&&p>=l||h>=c&&p>=h||c>l&&h>p)&&(r>=u&&d>=r||o>=u&&d>=o||u>r&&o>d);default:return!1}},e.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(t,i){var a,s,n=e.ui.ddmanager.droppables[t.options.scope]||[],r=i?i.type:null,o=(t.currentItem||t.element).find(":data(ui-droppable)").addBack();e:for(a=0;n.length>a;a++)if(!(n[a].options.disabled||t&&!n[a].accept.call(n[a].element[0],t.currentItem||t.element))){for(s=0;o.length>s;s++)if(o[s]===n[a].element[0]){n[a].proportions.height=0;continue e}n[a].visible="none"!==n[a].element.css("display"),n[a].visible&&("mousedown"===r&&n[a]._activate.call(n[a],i),n[a].offset=n[a].element.offset(),n[a].proportions={width:n[a].element[0].offsetWidth,height:n[a].element[0].offsetHeight})}},drop:function(t,i){var a=!1;return e.each((e.ui.ddmanager.droppables[t.options.scope]||[]).slice(),function(){this.options&&(!this.options.disabled&&this.visible&&e.ui.intersect(t,this,this.options.tolerance)&&(a=this._drop.call(this,i)||a),!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,i)))}),a},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 a,s,n,r=e.ui.intersect(t,this,this.options.tolerance),o=!r&&this.isover?"isout":r&&!this.isover?"isover":null;o&&(this.options.greedy&&(s=this.options.scope,n=this.element.parents(":data(ui-droppable)").filter(function(){return e.data(this,"ui-droppable").options.scope===s}),n.length&&(a=e.data(n[0],"ui-droppable"),a.greedyChild="isover"===o)),a&&"isover"===o&&(a.isover=!1,a.isout=!0,a._out.call(a,i)),this[o]=!0,this["isout"===o?"isover":"isout"]=!1,this["isover"===o?"_over":"_out"].call(this,i),a&&"isout"===o&&(a.isout=!1,a.isover=!0,a._over.call(a,i)))}})},dragStop:function(t,i){t.element.parentsUntil("body").unbind("scroll.droppable"),t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,i)}}})(jQuery);