(function($){$.widget("ui.draggable",$.extend({},$.ui.mouse,{_init:function(){if(this.options.helper=='original'&&!(/^(?:r|a|f)/).test(this.element.css("position")))
this.element[0].style.position='relative';(this.options.cssNamespace&&this.element.addClass(this.options.cssNamespace+"-draggable"));(this.options.disabled&&this.element.addClass('ui-draggable-disabled'));this._mouseInit();},destroy:function(){if(!this.element.data('draggable'))return;this.element.removeData("draggable").unbind(".draggable").removeClass('ui-draggable ui-draggable-dragging ui-draggable-disabled');this._mouseDestroy();},_mouseCapture:function(event){var o=this.options;if(this.helper||o.disabled||$(event.target).is('.ui-resizable-handle'))
return false;this.handle=this._getHandle(event);if(!this.handle)
return false;return true;},_mouseStart:function(event){var o=this.options;this.helper=this._createHelper(event);this._cacheHelperProportions();if($.ui.ddmanager)
$.ui.ddmanager.current=this;this._cacheMargins();this.cssPosition=this.helper.css("position");this.scrollParent=this.helper.scrollParent();this.offset=this.element.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};$.extend(this.offset,{click:{left:event.pageX-this.offset.left,top:event.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()});if(o.cursorAt)
this._adjustOffsetFromHelper(o.cursorAt);this.originalPosition=this._generatePosition(event);if(o.containment)
this._setContainment();this._propagate("start",event);this._cacheHelperProportions();if($.ui.ddmanager&&!o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this,event);this.helper.addClass("ui-draggable-dragging");this._mouseDrag(event,true);return true;},_mouseDrag:function(event,noPropagation){this.position=this._generatePosition(event);this.positionAbs=this._convertPositionTo("absolute");if(!noPropagation)this.position=this._propagate("drag",event)||this.position;if(!this.options.axis||this.options.axis!="y")this.helper[0].style.left=this.position.left+'px';if(!this.options.axis||this.options.axis!="x")this.helper[0].style.top=this.position.top+'px';if($.ui.ddmanager)$.ui.ddmanager.drag(this,event);return false;},_mouseStop:function(event){var dropped=false;if($.ui.ddmanager&&!this.options.dropBehaviour)
var dropped=$.ui.ddmanager.drop(this,event);if((this.options.revert=="invalid"&&!dropped)||(this.options.revert=="valid"&&dropped)||this.options.revert===true||($.isFunction(this.options.revert)&&this.options.revert.call(this.element,dropped))){var self=this;$(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){self._propagate("stop",event);self._clear();});}else{this._propagate("stop",event);this._clear();}
return false;},_getHandle:function(event){var handle=!this.options.handle||!$(this.options.handle,this.element).length?true:false;$(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==event.target)handle=true;});return handle;},_createHelper:function(event){var o=this.options;var helper=$.isFunction(o.helper)?$(o.helper.apply(this.element[0],[event])):(o.helper=='clone'?this.element.clone():this.element);if(!helper.parents('body').length)
helper.appendTo((o.appendTo=='parent'?this.element[0].parentNode:o.appendTo));if(helper[0]!=this.element[0]&&!(/(fixed|absolute)/).test(helper.css("position")))
helper.css("position","absolute");return helper;},_adjustOffsetFromHelper:function(obj){if(obj.left!=undefined)this.offset.click.left=obj.left+this.margins.left;if(obj.right!=undefined)this.offset.click.left=this.helperProportions.width-obj.right+this.margins.left;if(obj.top!=undefined)this.offset.click.top=obj.top+this.margins.top;if(obj.bottom!=undefined)this.offset.click.top=this.helperProportions.height-obj.bottom+this.margins.top;},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var po=this.offsetParent.offset();if((this.offsetParent[0]==document.body&&$.browser.mozilla)||(this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=='html'&&$.browser.msie))
po={top:0,left:0};return{top:po.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:po.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var p=this.element.position();return{top:p.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:p.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()};}else{return{top:0,left:0};}},_cacheMargins:function(){this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0)};},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};},_setContainment:function(){var o=this.options;if(o.containment=='parent')o.containment=this.helper[0].parentNode;if(o.containment=='document'||o.containment=='window')this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,$(o.containment=='document'?document:window).width()-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),($(o.containment=='document'?document:window).height()||document.body.parentNode.scrollHeight)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)];if(!(/^(document|window|parent)$/).test(o.containment)){var ce=$(o.containment)[0];var co=$(o.containment).offset();var over=($(ce).css("overflow")!='hidden');this.containment=[co.left+(parseInt($(ce).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.margins.left,co.top+(parseInt($(ce).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.margins.top,co.left+(over?Math.max(ce.scrollWidth,ce.offsetWidth):ce.offsetWidth)-(parseInt($(ce).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left,co.top+(over?Math.max(ce.scrollHeight,ce.offsetHeight):ce.offsetHeight)-(parseInt($(ce).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top];}},_convertPositionTo:function(d,pos){if(!pos)pos=this.position;var mod=d=="absolute"?1:-1;var scroll=this[(this.cssPosition=='absolute'?'offset':'scroll')+'Parent'],scrollIsRootNode=(/(html|body)/i).test(scroll[0].tagName);return{top:(pos.top
+this.offset.relative.top*mod
+this.offset.parent.top*mod
+(this.cssPosition=='fixed'?-this.scrollParent.scrollTop():(scrollIsRootNode?0:scroll.scrollTop()))*mod
+this.margins.top*mod),left:(pos.left
+this.offset.relative.left*mod
+this.offset.parent.left*mod
+(this.cssPosition=='fixed'?-this.scrollParent.scrollLeft():(scrollIsRootNode?0:scroll.scrollLeft()))*mod
+this.margins.left*mod)};},_generatePosition:function(event){var o=this.options,scroll=this[(this.cssPosition=='absolute'?'offset':'scroll')+'Parent'],scrollIsRootNode=(/(html|body)/i).test(scroll[0].tagName);var position={top:(event.pageY
-this.offset.click.top
-this.offset.relative.top
-this.offset.parent.top
+(this.cssPosition=='fixed'?-this.scrollParent.scrollTop():(scrollIsRootNode?0:scroll.scrollTop()))),left:(event.pageX
-this.offset.click.left
-this.offset.relative.left
-this.offset.parent.left
+(this.cssPosition=='fixed'?-this.scrollParent.scrollLeft():scrollIsRootNode?0:scroll.scrollLeft()))};if(!this.originalPosition)return position;if(this.containment){if(position.left<this.containment[0])position.left=this.containment[0];if(position.top<this.containment[1])position.top=this.containment[1];if(position.left>this.containment[2])position.left=this.containment[2];if(position.top>this.containment[3])position.top=this.containment[3];}
if(o.grid){var top=this.originalPosition.top+Math.round((position.top-this.originalPosition.top)/o.grid[1])*o.grid[1];position.top=this.containment?(!(top<this.containment[1]||top>this.containment[3])?top:(!(top<this.containment[1])?top-o.grid[1]:top+o.grid[1])):top;var left=this.originalPosition.left+Math.round((position.left-this.originalPosition.left)/o.grid[0])*o.grid[0];position.left=this.containment?(!(left<this.containment[0]||left>this.containment[2])?left:(!(left<this.containment[0])?left-o.grid[0]:left+o.grid[0])):left;}
return position;},_clear:function(){this.helper.removeClass("ui-draggable-dragging");if(this.helper[0]!=this.element[0]&&!this.cancelHelperRemoval)this.helper.remove();this.helper=null;this.cancelHelperRemoval=false;},_propagate:function(n,event){$.ui.plugin.call(this,n,[event,this._uiHash()]);if(n=="drag")this.positionAbs=this._convertPositionTo("absolute");return this.element.triggerHandler(n=="drag"?n:"drag"+n,[event,this._uiHash()],this.options[n]);},plugins:{},_uiHash:function(event){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,options:this.options};}}));$.extend($.ui.draggable,{version:"1.6rc4",defaults:{appendTo:"parent",axis:false,cancel:":input",connectToSortable:false,containment:false,cssNamespace:"ui",cursor:"default",cursorAt:null,delay:0,distance:1,grid:false,handle:false,helper:"original",iframeFix:false,opacity:1,refreshPositions:false,revert:false,revertDuration:500,scope:"default",scroll:true,scrollSensitivity:20,scrollSpeed:20,snap:false,snapMode:"both",snapTolerance:20,stack:false,zIndex:null}});$.ui.plugin.add("draggable","connectToSortable",{start:function(event,ui){var inst=$(this).data("draggable");inst.sortables=[];$(ui.options.connectToSortable).each(function(){$(this+'').each(function(){if($.data(this,'sortable')){var sortable=$.data(this,'sortable');inst.sortables.push({instance:sortable,shouldRevert:sortable.options.revert});sortable._refreshItems();sortable._propagate("activate",event,inst);}});});},stop:function(event,ui){var inst=$(this).data("draggable");$.each(inst.sortables,function(){if(this.instance.isOver){this.instance.isOver=0;inst.cancelHelperRemoval=true;this.instance.cancelHelperRemoval=false;if(this.shouldRevert)this.instance.options.revert=true;this.instance._mouseStop(event);this.instance.element.triggerHandler("sortreceive",[event,$.extend(this.instance._ui(),{sender:inst.element})],this.instance.options["receive"]);this.instance.options.helper=this.instance.options._helper;if(inst.options.helper=='original'){this.instance.currentItem.css({top:'auto',left:'auto'});}}else{this.instance.cancelHelperRemoval=false;this.instance._propagate("deactivate",event,inst);}});},drag:function(event,ui){var inst=$(this).data("draggable"),self=this;var checkPos=function(o){var dyClick=this.offset.click.top,dxClick=this.offset.click.left;var helperTop=this.positionAbs.top,helperLeft=this.positionAbs.left;var itemHeight=o.height,itemWidth=o.width;var itemTop=o.top,itemLeft=o.left;return $.ui.isOver(helperTop+dyClick,helperLeft+dxClick,itemTop,itemLeft,itemHeight,itemWidth);};$.each(inst.sortables,function(i){if(checkPos.call(inst,this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=$(self).clone().appendTo(this.instance.element).data("sortable-item",true);this.instance.options._helper=this.instance.options.helper;this.instance.options.helper=function(){return ui.helper[0];};event.target=this.instance.currentItem[0];this.instance._mouseCapture(event,true);this.instance._mouseStart(event,true,true);this.instance.offset.click.top=inst.offset.click.top;this.instance.offset.click.left=inst.offset.click.left;this.instance.offset.parent.left-=inst.offset.parent.left-this.instance.offset.parent.left;this.instance.offset.parent.top-=inst.offset.parent.top-this.instance.offset.parent.top;inst._propagate("toSortable",event);}
if(this.instance.currentItem)this.instance._mouseDrag(event);}else{if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance._mouseStop(event,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();if(this.instance.placeholder)this.instance.placeholder.remove();inst._propagate("fromSortable",event);}};});}});$.ui.plugin.add("draggable","cursor",{start:function(event,ui){var t=$('body');if(t.css("cursor"))ui.options._cursor=t.css("cursor");t.css("cursor",ui.options.cursor);},stop:function(event,ui){if(ui.options._cursor)$('body').css("cursor",ui.options._cursor);}});$.ui.plugin.add("draggable","iframeFix",{start:function(event,ui){$(ui.options.iframeFix===true?"iframe":ui.options.iframeFix).each(function(){$('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({width:this.offsetWidth+"px",height:this.offsetHeight+"px",position:"absolute",opacity:"0.001",zIndex:1000}).css($(this).offset()).appendTo("body");});},stop:function(event,ui){$("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this);});}});$.ui.plugin.add("draggable","opacity",{start:function(event,ui){var t=$(ui.helper);if(t.css("opacity"))ui.options._opacity=t.css("opacity");t.css('opacity',ui.options.opacity);},stop:function(event,ui){if(ui.options._opacity)$(ui.helper).css('opacity',ui.options._opacity);}});$.ui.plugin.add("draggable","scroll",{start:function(event,ui){var o=ui.options;var i=$(this).data("draggable");if(i.scrollParent[0]!=document&&i.scrollParent[0].tagName!='HTML')i.overflowOffset=i.scrollParent.offset();},drag:function(event,ui){var o=ui.options,scrolled=false;var i=$(this).data("draggable");if(i.scrollParent[0]!=document&&i.scrollParent[0].tagName!='HTML'){if((i.overflowOffset.top+i.scrollParent[0].offsetHeight)-event.pageY<o.scrollSensitivity)
i.scrollParent[0].scrollTop=scrolled=i.scrollParent[0].scrollTop+o.scrollSpeed;else if(event.pageY-i.overflowOffset.top<o.scrollSensitivity)
i.scrollParent[0].scrollTop=scrolled=i.scrollParent[0].scrollTop-o.scrollSpeed;if((i.overflowOffset.left+i.scrollParent[0].offsetWidth)-event.pageX<o.scrollSensitivity)
i.scrollParent[0].scrollLeft=scrolled=i.scrollParent[0].scrollLeft+o.scrollSpeed;else if(event.pageX-i.overflowOffset.left<o.scrollSensitivity)
i.scrollParent[0].scrollLeft=scrolled=i.scrollParent[0].scrollLeft-o.scrollSpeed;}else{if(event.pageY-$(document).scrollTop()<o.scrollSensitivity)
scrolled=$(document).scrollTop($(document).scrollTop()-o.scrollSpeed);else if($(window).height()-(event.pageY-$(document).scrollTop())<o.scrollSensitivity)
scrolled=$(document).scrollTop($(document).scrollTop()+o.scrollSpeed);if(event.pageX-$(document).scrollLeft()<o.scrollSensitivity)
scrolled=$(document).scrollLeft($(document).scrollLeft()-o.scrollSpeed);else if($(window).width()-(event.pageX-$(document).scrollLeft())<o.scrollSensitivity)
scrolled=$(document).scrollLeft($(document).scrollLeft()+o.scrollSpeed);}
if(scrolled!==false&&$.ui.ddmanager&&!o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(i,event);if(scrolled!==false&&i.cssPosition=='absolute'&&i.scrollParent[0]!=document&&$.ui.contains(i.scrollParent[0],i.offsetParent[0])){i.offset.parent=i._getParentOffset();}
if(scrolled!==false&&i.cssPosition=='relative'&&!(i.scrollParent[0]!=document&&i.scrollParent[0]!=i.offsetParent[0])){i.offset.relative=i._getRelativeOffset();}}});$.ui.plugin.add("draggable","snap",{start:function(event,ui){var inst=$(this).data("draggable");inst.snapElements=[];$(ui.options.snap.constructor!=String?(ui.options.snap.items||':data(draggable)'):ui.options.snap).each(function(){var $t=$(this);var $o=$t.offset();if(this!=inst.element[0])inst.snapElements.push({item:this,width:$t.outerWidth(),height:$t.outerHeight(),top:$o.top,left:$o.left});});},drag:function(event,ui){var inst=$(this).data("draggable");var d=ui.options.snapTolerance;var x1=ui.absolutePosition.left,x2=x1+inst.helperProportions.width,y1=ui.absolutePosition.top,y2=y1+inst.helperProportions.height;for(var i=inst.snapElements.length-1;i>=0;i--){var l=inst.snapElements[i].left,r=l+inst.snapElements[i].width,t=inst.snapElements[i].top,b=t+inst.snapElements[i].height;if(!((l-d<x1&&x1<r+d&&t-d<y1&&y1<b+d)||(l-d<x1&&x1<r+d&&t-d<y2&&y2<b+d)||(l-d<x2&&x2<r+d&&t-d<y1&&y1<b+d)||(l-d<x2&&x2<r+d&&t-d<y2&&y2<b+d))){if(inst.snapElements[i].snapping)(inst.options.snap.release&&inst.options.snap.release.call(inst.element,event,$.extend(inst._uiHash(),{snapItem:inst.snapElements[i].item})));inst.snapElements[i].snapping=false;continue;}
if(ui.options.snapMode!='inner'){var ts=Math.abs(t-y2)<=d;var bs=Math.abs(b-y1)<=d;var ls=Math.abs(l-x2)<=d;var rs=Math.abs(r-x1)<=d;if(ts)ui.position.top=inst._convertPositionTo("relative",{top:t-inst.helperProportions.height,left:0}).top;if(bs)ui.position.top=inst._convertPositionTo("relative",{top:b,left:0}).top;if(ls)ui.position.left=inst._convertPositionTo("relative",{top:0,left:l-inst.helperProportions.width}).left;if(rs)ui.position.left=inst._convertPositionTo("relative",{top:0,left:r}).left;}
var first=(ts||bs||ls||rs);if(ui.options.snapMode!='outer'){var ts=Math.abs(t-y1)<=d;var bs=Math.abs(b-y2)<=d;var ls=Math.abs(l-x1)<=d;var rs=Math.abs(r-x2)<=d;if(ts)ui.position.top=inst._convertPositionTo("relative",{top:t,left:0}).top;if(bs)ui.position.top=inst._convertPositionTo("relative",{top:b-inst.helperProportions.height,left:0}).top;if(ls)ui.position.left=inst._convertPositionTo("relative",{top:0,left:l}).left;if(rs)ui.position.left=inst._convertPositionTo("relative",{top:0,left:r-inst.helperProportions.width}).left;}
if(!inst.snapElements[i].snapping&&(ts||bs||ls||rs||first))
(inst.options.snap.snap&&inst.options.snap.snap.call(inst.element,event,$.extend(inst._uiHash(),{snapItem:inst.snapElements[i].item})));inst.snapElements[i].snapping=(ts||bs||ls||rs||first);};}});$.ui.plugin.add("draggable","stack",{start:function(event,ui){var group=$.makeArray($(ui.options.stack.group)).sort(function(a,b){return(parseInt($(a).css("zIndex"),10)||ui.options.stack.min)-(parseInt($(b).css("zIndex"),10)||ui.options.stack.min);});$(group).each(function(i){this.style.zIndex=ui.options.stack.min+i;});this[0].style.zIndex=ui.options.stack.min+group.length;}});$.ui.plugin.add("draggable","zIndex",{start:function(event,ui){var t=$(ui.helper);if(t.css("zIndex"))ui.options._zIndex=t.css("zIndex");t.css('zIndex',ui.options.zIndex);},stop:function(event,ui){if(ui.options._zIndex)$(ui.helper).css('zIndex',ui.options._zIndex);}});})(jQuery);