/*!
 * jQuery UI Sortable 1.11.4
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/sortable/
 */
!function(a){"function"==typeof define&&define.amd?
// AMD. Register as an anonymous module.
define(["jquery","./core","./mouse","./widget"],a):
// Browser globals
a(jQuery)}(function(a){return a.widget("ui.sortable",a.ui.mouse,{version:"1.11.4",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1e3,
// callbacks
activate:null,beforeStop:null,change:null,deactivate:null,out:null,over:null,receive:null,remove:null,sort:null,start:null,stop:null,update:null},_isOverAxis:function(a,b,c){return a>=b&&b+c>a},_isFloating:function(a){return/left|right/.test(a.css("float"))||/inline|table-cell/.test(a.css("display"))},_create:function(){this.containerCache={},this.element.addClass("ui-sortable"),
//Get the items
this.refresh(),
//Let's determine the parent's offset
this.offset=this.element.offset(),
//Initialize mouse events for interaction
this._mouseInit(),this._setHandleClassName(),
//We're ready to go
this.ready=!0},_setOption:function(a,b){this._super(a,b),"handle"===a&&this._setHandleClassName()},_setHandleClassName:function(){this.element.find(".ui-sortable-handle").removeClass("ui-sortable-handle"),a.each(this.items,function(){(this.instance.options.handle?this.item.find(this.instance.options.handle):this.item).addClass("ui-sortable-handle")})},_destroy:function(){this.element.removeClass("ui-sortable ui-sortable-disabled").find(".ui-sortable-handle").removeClass("ui-sortable-handle"),this._mouseDestroy();for(var a=this.items.length-1;a>=0;a--)this.items[a].item.removeData(this.widgetName+"-item");return this},_mouseCapture:function(b,c){var d=null,e=!1,f=this;
//We have to refresh the items data once first
//Find out if the clicked node (or one of its parents) is a actual item in this.items
return this.reverting?!1:this.options.disabled||"static"===this.options.type?!1:(this._refreshItems(b),a(b.target).parents().each(function(){return a.data(this,f.widgetName+"-item")===f?(d=a(this),!1):void 0}),a.data(b.target,f.widgetName+"-item")===f&&(d=a(b.target)),d&&(!this.options.handle||c||(a(this.options.handle,d).find("*").addBack().each(function(){this===b.target&&(e=!0)}),e))?(this.currentItem=d,this._removeCurrentsFromItems(),!0):!1)},_mouseStart:function(b,c,d){var e,f,g=this.options;
//Post "activate" events to possible containers
if(this.currentContainer=this,
//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
this.refreshPositions(),
//Create and append the visible helper
this.helper=this._createHelper(b),
//Cache the helper size
this._cacheHelperProportions(),/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */
//Cache the margins of the original element
this._cacheMargins(),
//Get the next scrolling parent
this.scrollParent=this.helper.scrollParent(),
//The element's absolute position on the page minus margins
this.offset=this.currentItem.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},a.extend(this.offset,{click:{//Where the click happened, relative to the element
left:b.pageX-this.offset.left,top:b.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),
// Only after we got the offset, we can change the helper's position to absolute
// TODO: Still need to figure out a way to make relative sorting possible
this.helper.css("position","absolute"),this.cssPosition=this.helper.css("position"),
//Generate the original position
this.originalPosition=this._generatePosition(b),this.originalPageX=b.pageX,this.originalPageY=b.pageY,
//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
g.cursorAt&&this._adjustOffsetFromHelper(g.cursorAt),
//Cache the former DOM position
this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]},
//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
this.helper[0]!==this.currentItem[0]&&this.currentItem.hide(),
//Create the placeholder
this._createPlaceholder(),
//Set a containment if given in the options
g.containment&&this._setContainment(),g.cursor&&"auto"!==g.cursor&&(f=this.document.find("body"),this.storedCursor=f.css("cursor"),f.css("cursor",g.cursor),this.storedStylesheet=a("<style>*{ cursor: "+g.cursor+" !important; }</style>").appendTo(f)),g.opacity&&(// opacity option
this.helper.css("opacity")&&(this._storedOpacity=this.helper.css("opacity")),this.helper.css("opacity",g.opacity)),g.zIndex&&(// zIndex option
this.helper.css("zIndex")&&(this._storedZIndex=this.helper.css("zIndex")),this.helper.css("zIndex",g.zIndex)),
//Prepare scrolling
this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName&&(this.overflowOffset=this.scrollParent.offset()),
//Call callbacks
this._trigger("start",b,this._uiHash()),
//Recache the helper size
this._preserveHelperProportions||this._cacheHelperProportions(),!d)for(e=this.containers.length-1;e>=0;e--)this.containers[e]._trigger("activate",b,this._uiHash(this));//Execute the drag once - this causes the helper not to be visible before getting its correct position
//Prepare possible droppables
return a.ui.ddmanager&&(a.ui.ddmanager.current=this),a.ui.ddmanager&&!g.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b),this.dragging=!0,this.helper.addClass("ui-sortable-helper"),this._mouseDrag(b),!0},_mouseDrag:function(b){var c,d,e,f,g=this.options,h=!1;
//Rearrange
for(
//Compute the helpers position
this.position=this._generatePosition(b),this.positionAbs=this._convertPositionTo("absolute"),this.lastPositionAbs||(this.lastPositionAbs=this.positionAbs),
//Do scrolling
this.options.scroll&&(this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName?(this.overflowOffset.top+this.scrollParent[0].offsetHeight-b.pageY<g.scrollSensitivity?this.scrollParent[0].scrollTop=h=this.scrollParent[0].scrollTop+g.scrollSpeed:b.pageY-this.overflowOffset.top<g.scrollSensitivity&&(this.scrollParent[0].scrollTop=h=this.scrollParent[0].scrollTop-g.scrollSpeed),this.overflowOffset.left+this.scrollParent[0].offsetWidth-b.pageX<g.scrollSensitivity?this.scrollParent[0].scrollLeft=h=this.scrollParent[0].scrollLeft+g.scrollSpeed:b.pageX-this.overflowOffset.left<g.scrollSensitivity&&(this.scrollParent[0].scrollLeft=h=this.scrollParent[0].scrollLeft-g.scrollSpeed)):(b.pageY-this.document.scrollTop()<g.scrollSensitivity?h=this.document.scrollTop(this.document.scrollTop()-g.scrollSpeed):this.window.height()-(b.pageY-this.document.scrollTop())<g.scrollSensitivity&&(h=this.document.scrollTop(this.document.scrollTop()+g.scrollSpeed)),b.pageX-this.document.scrollLeft()<g.scrollSensitivity?h=this.document.scrollLeft(this.document.scrollLeft()-g.scrollSpeed):this.window.width()-(b.pageX-this.document.scrollLeft())<g.scrollSensitivity&&(h=this.document.scrollLeft(this.document.scrollLeft()+g.scrollSpeed))),h!==!1&&a.ui.ddmanager&&!g.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b)),
//Regenerate the absolute position used for position checks
this.positionAbs=this._convertPositionTo("absolute"),
//Set the helper position
this.options.axis&&"y"===this.options.axis||(this.helper[0].style.left=this.position.left+"px"),this.options.axis&&"x"===this.options.axis||(this.helper[0].style.top=this.position.top+"px"),c=this.items.length-1;c>=0;c--)if(d=this.items[c],e=d.item[0],f=this._intersectsWithPointer(d),f&&d.instance===this.currentContainer&&e!==this.currentItem[0]&&this.placeholder[1===f?"next":"prev"]()[0]!==e&&!a.contains(this.placeholder[0],e)&&("semi-dynamic"===this.options.type?!a.contains(this.element[0],e):!0)){if(this.direction=1===f?"down":"up","pointer"!==this.options.tolerance&&!this._intersectsWithSides(d))break;this._rearrange(b,d),this._trigger("change",b,this._uiHash());break}
//Post events to containers
//Interconnect with droppables
//Call callbacks
return this._contactContainers(b),a.ui.ddmanager&&a.ui.ddmanager.drag(this,b),this._trigger("sort",b,this._uiHash()),this.lastPositionAbs=this.positionAbs,!1},_mouseStop:function(b,c){if(b){if(
//If we are using droppables, inform the manager about the drop
a.ui.ddmanager&&!this.options.dropBehaviour&&a.ui.ddmanager.drop(this,b),this.options.revert){var d=this,e=this.placeholder.offset(),f=this.options.axis,g={};f&&"x"!==f||(g.left=e.left-this.offset.parent.left-this.margins.left+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollLeft)),f&&"y"!==f||(g.top=e.top-this.offset.parent.top-this.margins.top+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollTop)),this.reverting=!0,a(this.helper).animate(g,parseInt(this.options.revert,10)||500,function(){d._clear(b)})}else this._clear(b,c);return!1}},cancel:function(){if(this.dragging){this._mouseUp({target:null}),"original"===this.options.helper?this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper"):this.currentItem.show();
//Post deactivating events to containers
for(var b=this.containers.length-1;b>=0;b--)this.containers[b]._trigger("deactivate",null,this._uiHash(this)),this.containers[b].containerCache.over&&(this.containers[b]._trigger("out",null,this._uiHash(this)),this.containers[b].containerCache.over=0)}
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
return this.placeholder&&(this.placeholder[0].parentNode&&this.placeholder[0].parentNode.removeChild(this.placeholder[0]),"original"!==this.options.helper&&this.helper&&this.helper[0].parentNode&&this.helper.remove(),a.extend(this,{helper:null,dragging:!1,reverting:!1,_noFinalSort:null}),this.domPosition.prev?a(this.domPosition.prev).after(this.currentItem):a(this.domPosition.parent).prepend(this.currentItem)),this},serialize:function(b){var c=this._getItemsAsjQuery(b&&b.connected),d=[];return b=b||{},a(c).each(function(){var c=(a(b.item||this).attr(b.attribute||"id")||"").match(b.expression||/(.+)[\-=_](.+)/);c&&d.push((b.key||c[1]+"[]")+"="+(b.key&&b.expression?c[1]:c[2]))}),!d.length&&b.key&&d.push(b.key+"="),d.join("&")},toArray:function(b){var c=this._getItemsAsjQuery(b&&b.connected),d=[];return b=b||{},c.each(function(){d.push(a(b.item||this).attr(b.attribute||"id")||"")}),d},/* Be careful with the following core functions */
_intersectsWith:function(a){var b=this.positionAbs.left,c=b+this.helperProportions.width,d=this.positionAbs.top,e=d+this.helperProportions.height,f=a.left,g=f+a.width,h=a.top,i=h+a.height,j=this.offset.click.top,k=this.offset.click.left,l="x"===this.options.axis||d+j>h&&i>d+j,m="y"===this.options.axis||b+k>f&&g>b+k,n=l&&m;// Right Half
// Left Half
// Bottom Half
return"pointer"===this.options.tolerance||this.options.forcePointerForContainers||"pointer"!==this.options.tolerance&&this.helperProportions[this.floating?"width":"height"]>a[this.floating?"width":"height"]?n:f<b+this.helperProportions.width/2&&c-this.helperProportions.width/2<g&&h<d+this.helperProportions.height/2&&e-this.helperProportions.height/2<i},_intersectsWithPointer:function(a){var b="x"===this.options.axis||this._isOverAxis(this.positionAbs.top+this.offset.click.top,a.top,a.height),c="y"===this.options.axis||this._isOverAxis(this.positionAbs.left+this.offset.click.left,a.left,a.width),d=b&&c,e=this._getDragVerticalDirection(),f=this._getDragHorizontalDirection();return d?this.floating?f&&"right"===f||"down"===e?2:1:e&&("down"===e?2:1):!1},_intersectsWithSides:function(a){var b=this._isOverAxis(this.positionAbs.top+this.offset.click.top,a.top+a.height/2,a.height),c=this._isOverAxis(this.positionAbs.left+this.offset.click.left,a.left+a.width/2,a.width),d=this._getDragVerticalDirection(),e=this._getDragHorizontalDirection();return this.floating&&e?"right"===e&&c||"left"===e&&!c:d&&("down"===d&&b||"up"===d&&!b)},_getDragVerticalDirection:function(){var a=this.positionAbs.top-this.lastPositionAbs.top;return 0!==a&&(a>0?"down":"up")},_getDragHorizontalDirection:function(){var a=this.positionAbs.left-this.lastPositionAbs.left;return 0!==a&&(a>0?"right":"left")},refresh:function(a){return this._refreshItems(a),this._setHandleClassName(),this.refreshPositions(),this},_connectWith:function(){var a=this.options;return a.connectWith.constructor===String?[a.connectWith]:a.connectWith},_getItemsAsjQuery:function(b){function c(){h.push(this)}var d,e,f,g,h=[],i=[],j=this._connectWith();if(j&&b)for(d=j.length-1;d>=0;d--)for(f=a(j[d],this.document[0]),e=f.length-1;e>=0;e--)g=a.data(f[e],this.widgetFullName),g&&g!==this&&!g.options.disabled&&i.push([a.isFunction(g.options.items)?g.options.items.call(g.element):a(g.options.items,g.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),g]);for(i.push([a.isFunction(this.options.items)?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):a(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]),d=i.length-1;d>=0;d--)i[d][0].each(c);return a(h)},_removeCurrentsFromItems:function(){var b=this.currentItem.find(":data("+this.widgetName+"-item)");this.items=a.grep(this.items,function(a){for(var c=0;c<b.length;c++)if(b[c]===a.item[0])return!1;return!0})},_refreshItems:function(b){this.items=[],this.containers=[this];var c,d,e,f,g,h,i,j,k=this.items,l=[[a.isFunction(this.options.items)?this.options.items.call(this.element[0],b,{item:this.currentItem}):a(this.options.items,this.element),this]],m=this._connectWith();if(m&&this.ready)//Shouldn't be run the first time through due to massive slow-down
for(c=m.length-1;c>=0;c--)for(e=a(m[c],this.document[0]),d=e.length-1;d>=0;d--)f=a.data(e[d],this.widgetFullName),f&&f!==this&&!f.options.disabled&&(l.push([a.isFunction(f.options.items)?f.options.items.call(f.element[0],b,{item:this.currentItem}):a(f.options.items,f.element),f]),this.containers.push(f));for(c=l.length-1;c>=0;c--)for(g=l[c][1],h=l[c][0],d=0,j=h.length;j>d;d++)i=a(h[d]),i.data(this.widgetName+"-item",g),k.push({item:i,instance:g,width:0,height:0,left:0,top:0})},refreshPositions:function(b){
// Determine whether items are being displayed horizontally
this.floating=this.items.length?"x"===this.options.axis||this._isFloating(this.items[0].item):!1,
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
this.offsetParent&&this.helper&&(this.offset.parent=this._getParentOffset());var c,d,e,f;for(c=this.items.length-1;c>=0;c--)d=this.items[c],d.instance!==this.currentContainer&&this.currentContainer&&d.item[0]!==this.currentItem[0]||(e=this.options.toleranceElement?a(this.options.toleranceElement,d.item):d.item,b||(d.width=e.outerWidth(),d.height=e.outerHeight()),f=e.offset(),d.left=f.left,d.top=f.top);if(this.options.custom&&this.options.custom.refreshContainers)this.options.custom.refreshContainers.call(this);else for(c=this.containers.length-1;c>=0;c--)f=this.containers[c].element.offset(),this.containers[c].containerCache.left=f.left,this.containers[c].containerCache.top=f.top,this.containers[c].containerCache.width=this.containers[c].element.outerWidth(),this.containers[c].containerCache.height=this.containers[c].element.outerHeight();return this},_createPlaceholder:function(b){b=b||this;var c,d=b.options;d.placeholder&&d.placeholder.constructor!==String||(c=d.placeholder,d.placeholder={element:function(){var d=b.currentItem[0].nodeName.toLowerCase(),e=a("<"+d+">",b.document[0]).addClass(c||b.currentItem[0].className+" ui-sortable-placeholder").removeClass("ui-sortable-helper");return"tbody"===d?b._createTrPlaceholder(b.currentItem.find("tr").eq(0),a("<tr>",b.document[0]).appendTo(e)):"tr"===d?b._createTrPlaceholder(b.currentItem,e):"img"===d&&e.attr("src",b.currentItem.attr("src")),c||e.css("visibility","hidden"),e},update:function(a,e){(!c||d.forcePlaceholderSize)&&(e.height()||e.height(b.currentItem.innerHeight()-parseInt(b.currentItem.css("paddingTop")||0,10)-parseInt(b.currentItem.css("paddingBottom")||0,10)),e.width()||e.width(b.currentItem.innerWidth()-parseInt(b.currentItem.css("paddingLeft")||0,10)-parseInt(b.currentItem.css("paddingRight")||0,10)))}}),
//Create the placeholder
b.placeholder=a(d.placeholder.element.call(b.element,b.currentItem)),
//Append it after the actual current item
b.currentItem.after(b.placeholder),
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
d.placeholder.update(b,b.placeholder)},_createTrPlaceholder:function(b,c){var d=this;b.children().each(function(){a("<td>&#160;</td>",d.document[0]).attr("colspan",a(this).attr("colspan")||1).appendTo(c)})},_contactContainers:function(b){var c,d,e,f,g,h,i,j,k,l,m=null,n=null;
// get innermost container that intersects with item
for(c=this.containers.length-1;c>=0;c--)
// never consider a container that's located within the item itself
if(!a.contains(this.currentItem[0],this.containers[c].element[0]))if(this._intersectsWith(this.containers[c].containerCache)){
// if we've already found a container and it's more "inner" than this, then continue
if(m&&a.contains(this.containers[c].element[0],m.element[0]))continue;m=this.containers[c],n=c}else
// container doesn't intersect. trigger "out" event if necessary
this.containers[c].containerCache.over&&(this.containers[c]._trigger("out",b,this._uiHash(this)),this.containers[c].containerCache.over=0);
// if no intersecting containers found, return
if(m)
// move the item into the container if it's not there already
if(1===this.containers.length)this.containers[n].containerCache.over||(this.containers[n]._trigger("over",b,this._uiHash(this)),this.containers[n].containerCache.over=1);else{for(e=1e4,f=null,k=m.floating||this._isFloating(this.currentItem),g=k?"left":"top",h=k?"width":"height",l=k?"clientX":"clientY",d=this.items.length-1;d>=0;d--)a.contains(this.containers[n].element[0],this.items[d].item[0])&&this.items[d].item[0]!==this.currentItem[0]&&(i=this.items[d].item.offset()[g],j=!1,b[l]-i>this.items[d][h]/2&&(j=!0),Math.abs(b[l]-i)<e&&(e=Math.abs(b[l]-i),f=this.items[d],this.direction=j?"up":"down"));
//Check if dropOnEmpty is enabled
if(!f&&!this.options.dropOnEmpty)return;if(this.currentContainer===this.containers[n])return void(this.currentContainer.containerCache.over||(this.containers[n]._trigger("over",b,this._uiHash()),this.currentContainer.containerCache.over=1));f?this._rearrange(b,f,null,!0):this._rearrange(b,null,this.containers[n].element,!0),this._trigger("change",b,this._uiHash()),this.containers[n]._trigger("change",b,this._uiHash(this)),this.currentContainer=this.containers[n],
//Update the placeholder
this.options.placeholder.update(this.currentContainer,this.placeholder),this.containers[n]._trigger("over",b,this._uiHash(this)),this.containers[n].containerCache.over=1}},_createHelper:function(b){var c=this.options,d=a.isFunction(c.helper)?a(c.helper.apply(this.element[0],[b,this.currentItem])):"clone"===c.helper?this.currentItem.clone():this.currentItem;
//Add the helper to the DOM if that didn't happen already
return d.parents("body").length||a("parent"!==c.appendTo?c.appendTo:this.currentItem[0].parentNode)[0].appendChild(d[0]),d[0]===this.currentItem[0]&&(this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}),(!d[0].style.width||c.forceHelperSize)&&d.width(this.currentItem.width()),(!d[0].style.height||c.forceHelperSize)&&d.height(this.currentItem.height()),d},_adjustOffsetFromHelper:function(b){"string"==typeof b&&(b=b.split(" ")),a.isArray(b)&&(b={left:+b[0],top:+b[1]||0}),"left"in b&&(this.offset.click.left=b.left+this.margins.left),"right"in b&&(this.offset.click.left=this.helperProportions.width-b.right+this.margins.left),"top"in b&&(this.offset.click.top=b.top+this.margins.top),"bottom"in b&&(this.offset.click.top=this.helperProportions.height-b.bottom+this.margins.top)},_getParentOffset:function(){
//Get the offsetParent and cache its position
this.offsetParent=this.helper.offsetParent();var b=this.offsetParent.offset();
// This is a special case where we need to modify a offset calculated on start, since the following happened:
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
// This needs to be actually done for all browsers, since pageX/pageY includes this information
// with an ugly IE fix
return"absolute"===this.cssPosition&&this.scrollParent[0]!==this.document[0]&&a.contains(this.scrollParent[0],this.offsetParent[0])&&(b.left+=this.scrollParent.scrollLeft(),b.top+=this.scrollParent.scrollTop()),(this.offsetParent[0]===this.document[0].body||this.offsetParent[0].tagName&&"html"===this.offsetParent[0].tagName.toLowerCase()&&a.ui.ie)&&(b={top:0,left:0}),{top:b.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:b.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"===this.cssPosition){var a=this.currentItem.position();return{top:a.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:a.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_cacheMargins:function(){this.margins={left:parseInt(this.currentItem.css("marginLeft"),10)||0,top:parseInt(this.currentItem.css("marginTop"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var b,c,d,e=this.options;"parent"===e.containment&&(e.containment=this.helper[0].parentNode),("document"===e.containment||"window"===e.containment)&&(this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,"document"===e.containment?this.document.width():this.window.width()-this.helperProportions.width-this.margins.left,("document"===e.containment?this.document.width():this.window.height()||this.document[0].body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]),/^(document|window|parent)$/.test(e.containment)||(b=a(e.containment)[0],c=a(e.containment).offset(),d="hidden"!==a(b).css("overflow"),this.containment=[c.left+(parseInt(a(b).css("borderLeftWidth"),10)||0)+(parseInt(a(b).css("paddingLeft"),10)||0)-this.margins.left,c.top+(parseInt(a(b).css("borderTopWidth"),10)||0)+(parseInt(a(b).css("paddingTop"),10)||0)-this.margins.top,c.left+(d?Math.max(b.scrollWidth,b.offsetWidth):b.offsetWidth)-(parseInt(a(b).css("borderLeftWidth"),10)||0)-(parseInt(a(b).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,c.top+(d?Math.max(b.scrollHeight,b.offsetHeight):b.offsetHeight)-(parseInt(a(b).css("borderTopWidth"),10)||0)-(parseInt(a(b).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top])},_convertPositionTo:function(b,c){c||(c=this.position);var d="absolute"===b?1:-1,e="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&a.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,f=/(html|body)/i.test(e[0].tagName);return{top:c.top+// The absolute mouse position
this.offset.relative.top*d+// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.top*d-// The offsetParent's offset without borders (offset + border)
("fixed"===this.cssPosition?-this.scrollParent.scrollTop():f?0:e.scrollTop())*d,left:c.left+// The absolute mouse position
this.offset.relative.left*d+// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.left*d-// The offsetParent's offset without borders (offset + border)
("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():f?0:e.scrollLeft())*d}},_generatePosition:function(b){var c,d,e=this.options,f=b.pageX,g=b.pageY,h="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&a.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,i=/(html|body)/i.test(h[0].tagName);
// This is another very weird special case that only happens for relative elements:
// 1. If the css position is relative
// 2. and the scroll parent is the document or similar to the offset parent
// we have to refresh the relative offset during the scroll so there are no jumps
/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */
//If we are not dragging yet, we won't check for options
return"relative"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&this.scrollParent[0]!==this.offsetParent[0]||(this.offset.relative=this._getRelativeOffset()),this.originalPosition&&(this.containment&&(b.pageX-this.offset.click.left<this.containment[0]&&(f=this.containment[0]+this.offset.click.left),b.pageY-this.offset.click.top<this.containment[1]&&(g=this.containment[1]+this.offset.click.top),b.pageX-this.offset.click.left>this.containment[2]&&(f=this.containment[2]+this.offset.click.left),b.pageY-this.offset.click.top>this.containment[3]&&(g=this.containment[3]+this.offset.click.top)),e.grid&&(c=this.originalPageY+Math.round((g-this.originalPageY)/e.grid[1])*e.grid[1],g=this.containment?c-this.offset.click.top>=this.containment[1]&&c-this.offset.click.top<=this.containment[3]?c:c-this.offset.click.top>=this.containment[1]?c-e.grid[1]:c+e.grid[1]:c,d=this.originalPageX+Math.round((f-this.originalPageX)/e.grid[0])*e.grid[0],f=this.containment?d-this.offset.click.left>=this.containment[0]&&d-this.offset.click.left<=this.containment[2]?d:d-this.offset.click.left>=this.containment[0]?d-e.grid[0]:d+e.grid[0]:d)),{top:g-// The absolute mouse position
this.offset.click.top-// Click offset (relative to the element)
this.offset.relative.top-// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.top+(// The offsetParent's offset without borders (offset + border)
"fixed"===this.cssPosition?-this.scrollParent.scrollTop():i?0:h.scrollTop()),left:f-// The absolute mouse position
this.offset.click.left-// Click offset (relative to the element)
this.offset.relative.left-// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.left+(// The offsetParent's offset without borders (offset + border)
"fixed"===this.cssPosition?-this.scrollParent.scrollLeft():i?0:h.scrollLeft())}},_rearrange:function(a,b,c,d){c?c[0].appendChild(this.placeholder[0]):b.item[0].parentNode.insertBefore(this.placeholder[0],"down"===this.direction?b.item[0]:b.item[0].nextSibling),
//Various things done here to improve the performance:
// 1. we create a setTimeout, that calls refreshPositions
// 2. on the instance, we have a counter variable, that get's higher after every append
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
// 4. this lets only the last addition to the timeout stack through
this.counter=this.counter?++this.counter:1;var e=this.counter;this._delay(function(){e===this.counter&&this.refreshPositions(!d)})},_clear:function(a,b){
//Post events to containers
function c(a,b,c){return function(d){c._trigger(a,d,b._uiHash(b))}}this.reverting=!1;
// We delay all events that have to be triggered to after the point where the placeholder has been removed and
// everything else normalized again
var d,e=[];if(
// We first have to update the dom position of the actual currentItem
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
!this._noFinalSort&&this.currentItem.parent().length&&this.placeholder.before(this.currentItem),this._noFinalSort=null,this.helper[0]===this.currentItem[0]){for(d in this._storedCSS)("auto"===this._storedCSS[d]||"static"===this._storedCSS[d])&&(this._storedCSS[d]="");this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper")}else this.currentItem.show();for(this.fromOutside&&!b&&e.push(function(a){this._trigger("receive",a,this._uiHash(this.fromOutside))}),!this.fromOutside&&this.domPosition.prev===this.currentItem.prev().not(".ui-sortable-helper")[0]&&this.domPosition.parent===this.currentItem.parent()[0]||b||e.push(function(a){this._trigger("update",a,this._uiHash())}),
// Check if the items Container has Changed and trigger appropriate
// events.
this!==this.currentContainer&&(b||(e.push(function(a){this._trigger("remove",a,this._uiHash())}),e.push(function(a){return function(b){a._trigger("receive",b,this._uiHash(this))}}.call(this,this.currentContainer)),e.push(function(a){return function(b){a._trigger("update",b,this._uiHash(this))}}.call(this,this.currentContainer)))),d=this.containers.length-1;d>=0;d--)b||e.push(c("deactivate",this,this.containers[d])),this.containers[d].containerCache.over&&(e.push(c("out",this,this.containers[d])),this.containers[d].containerCache.over=0);if(
//Do what was originally in plugins
this.storedCursor&&(this.document.find("body").css("cursor",this.storedCursor),this.storedStylesheet.remove()),this._storedOpacity&&this.helper.css("opacity",this._storedOpacity),this._storedZIndex&&this.helper.css("zIndex","auto"===this._storedZIndex?"":this._storedZIndex),this.dragging=!1,b||this._trigger("beforeStop",a,this._uiHash()),
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
this.placeholder[0].parentNode.removeChild(this.placeholder[0]),this.cancelHelperRemoval||(this.helper[0]!==this.currentItem[0]&&this.helper.remove(),this.helper=null),!b){for(d=0;d<e.length;d++)e[d].call(this,a);//Trigger all delayed events
this._trigger("stop",a,this._uiHash())}return this.fromOutside=!1,!this.cancelHelperRemoval},_trigger:function(){a.Widget.prototype._trigger.apply(this,arguments)===!1&&this.cancel()},_uiHash:function(b){var c=b||this;return{helper:c.helper,placeholder:c.placeholder||a([]),position:c.position,originalPosition:c.originalPosition,offset:c.positionAbs,item:c.currentItem,sender:b?b.element:null}}})});