/*! jQuery UI - v1.9.0 - 2012-10-05
* http://jqueryui.com
* Includes: jquery.ui.droppable.js
* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
(function(e,t){e.widget("ui.droppable",{version:"1.9.0",widgetEventPrefix:"drop",options:{accept:"*",activeClass:!1,addClasses:!0,greedy:!1,hoverClass:!1,scope:"default",tolerance:"intersect"},_create:function(){var t=this.options,n=t.accept;this.isover=0,this.isout=1,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=e.ui.ddmanager.droppables[this.options.scope];for(var n=0;n<t.length;n++)t[n]==this&&t.splice(n,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;if(!r||(r.currentItem||r.element)[0]==this.element[0])return!1;var i=!1;return this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function(){var t=e.data(this,"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(t,n,r){if(!n.offset)return!1;var i=(t.positionAbs||t.position.absolute).left,s=i+t.helperProportions.width,o=(t.positionAbs||t.position.absolute).top,u=o+t.helperProportions.height,a=n.offset.left,f=a+n.proportions.width,l=n.offset.top,c=l+n.proportions.height;switch(r){case"fit":return a<=i&&s<=f&&l<=o&&u<=c;case"intersect":return a<i+t.helperProportions.width/2&&s-t.helperProportions.width/2<f&&l<o+t.helperProportions.height/2&&u-t.helperProportions.height/2<c;case"pointer":var h=(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,d=e.ui.isOver(p,h,l,a,n.proportions.height,n.proportions.width);return d;case"touch":return(o>=l&&o<=c||u>=l&&u<=c||o<l&&u>c)&&(i>=a&&i<=f||s>=a&&s<=f||i<a&&s>f);default:return!1}},e.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(t,n){var r=e.ui.ddmanager.droppables[t.options.scope]||[],i=n?n.type:null,s=(t.currentItem||t.element).find(":data(droppable)").andSelf();e:for(var o=0;o<r.length;o++){if(r[o].options.disabled||t&&!r[o].accept.call(r[o].element[0],t.currentItem||t.element))continue;for(var u=0;u<s.length;u++)if(s[u]==r[o].element[0]){r[o].proportions.height=0;continue e}r[o].visible=r[o].element.css("display")!="none";if(!r[o].visible)continue;i=="mousedown"&&r[o]._activate.call(r[o],n),r[o].offset=r[o].element.offset(),r[o].proportions={width:r[o].element[0].offsetWidth,height:r[o].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=1,this.isover=0,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=e.ui.intersect(t,this,this.options.tolerance),i=!r&&this.isover==1?"isout":r&&this.isover==0?"isover":null;if(!i)return;var s;if(this.options.greedy){var o=this.options.scope,u=this.element.parents(":data(droppable)").filter(function(){return e.data(this,"droppable").options.scope===o});u.length&&(s=e.data(u[0],"droppable"),s.greedyChild=i=="isover"?1:0)}s&&i=="isover"&&(s.isover=0,s.isout=1,s._out.call(s,n)),this[i]=1,this[i=="isout"?"isover":"isout"]=0,this[i=="isover"?"_over":"_out"].call(this,n),s&&i=="isout"&&(s.isout=0,s.isover=1,s._over.call(s,n))})},dragStop:function(t,n){t.element.parentsUntil("body").unbind("scroll.droppable"),t.options.refreshPositions||e.ui.ddmanager.prepareOffsets(t,n)}}})(jQuery);