/*
 * jQuery UI Draggable 1.6
 *
 * Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Draggables
 *
 * Depends:
 *	ui.core.js
 */
(function(A){A.widget("ui.draggable",A.extend({},A.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(B){var C=this.options;if(this.helper||C.disabled||A(B.target).is(".ui-resizable-handle")){return false}this.handle=this._getHandle(B);if(!this.handle){return false}return true},_mouseStart:function(B){var C=this.options;this.helper=this._createHelper(B);this._cacheHelperProportions();if(A.ui.ddmanager){A.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};A.extend(this.offset,{click:{left:B.pageX-this.offset.left,top:B.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()});if(C.cursorAt){this._adjustOffsetFromHelper(C.cursorAt)}this.originalPosition=this._generatePosition(B);if(C.containment){this._setContainment()}this._propagate("start",B);this._cacheHelperProportions();if(A.ui.ddmanager&&!C.dropBehaviour){A.ui.ddmanager.prepareOffsets(this,B)}this.helper.addClass("ui-draggable-dragging");this._mouseDrag(B,true);return true},_mouseDrag:function(B,C){this.position=this._generatePosition(B);this.positionAbs=this._convertPositionTo("absolute");if(!C){this.position=this._propagate("drag",B)||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(A.ui.ddmanager){A.ui.ddmanager.drag(this,B)}return false},_mouseStop:function(C){var D=false;if(A.ui.ddmanager&&!this.options.dropBehaviour){var D=A.ui.ddmanager.drop(this,C)}if((this.options.revert=="invalid"&&!D)||(this.options.revert=="valid"&&D)||this.options.revert===true||(A.isFunction(this.options.revert)&&this.options.revert.call(this.element,D))){var B=this;A(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){B._propagate("stop",C);B._clear()})}else{this._propagate("stop",C);this._clear()}return false},_getHandle:function(B){var C=!this.options.handle||!A(this.options.handle,this.element).length?true:false;A(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==B.target){C=true}});return C},_createHelper:function(C){var D=this.options;var B=A.isFunction(D.helper)?A(D.helper.apply(this.element[0],[C])):(D.helper=="clone"?this.element.clone():this.element);if(!B.parents("body").length){B.appendTo((D.appendTo=="parent"?this.element[0].parentNode:D.appendTo))}if(B[0]!=this.element[0]&&!(/(fixed|absolute)/).test(B.css("position"))){B.css("position","absolute")}return B},_adjustOffsetFromHelper:function(B){if(B.left!=undefined){this.offset.click.left=B.left+this.margins.left}if(B.right!=undefined){this.offset.click.left=this.helperProportions.width-B.right+this.margins.left}if(B.top!=undefined){this.offset.click.top=B.top+this.margins.top}if(B.bottom!=undefined){this.offset.click.top=this.helperProportions.height-B.bottom+this.margins.top}},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var B=this.offsetParent.offset();if((this.offsetParent[0]==document.body&&A.browser.mozilla)||(this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&A.browser.msie)){B={top:0,left:0}}return{top:B.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:B.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var B=this.element.position();return{top:B.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:B.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 E=this.options;if(E.containment=="parent"){E.containment=this.helper[0].parentNode}if(E.containment=="document"||E.containment=="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,A(E.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),(A(E.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(E.containment)){var C=A(E.containment)[0];var D=A(E.containment).offset();var B=(A(C).css("overflow")!="hidden");this.containment=[D.left+(parseInt(A(C).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.margins.left,D.top+(parseInt(A(C).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.margins.top,D.left+(B?Math.max(C.scrollWidth,C.offsetWidth):C.offsetWidth)-(parseInt(A(C).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left,D.top+(B?Math.max(C.scrollHeight,C.offsetHeight):C.offsetHeight)-(parseInt(A(C).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top]}},_convertPositionTo:function(D,F){if(!F){F=this.position}var C=D=="absolute"?1:-1;var B=this[(this.cssPosition=="absolute"?"offset":"scroll")+"Parent"],E=(/(html|body)/i).test(B[0].tagName);return{top:(F.top+this.offset.relative.top*C+this.offset.parent.top*C+(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():(E?0:B.scrollTop()))*C+this.margins.top*C),left:(F.left+this.offset.relative.left*C+this.offset.parent.left*C+(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():(E?0:B.scrollLeft()))*C+this.margins.left*C)}},_generatePosition:function(D){var G=this.options,C=this[(this.cssPosition=="absolute"?"offset":"scroll")+"Parent"],H=(/(html|body)/i).test(C[0].tagName);var B={top:(D.pageY-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():(H?0:C.scrollTop()))),left:(D.pageX-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():H?0:C.scrollLeft()))};if(!this.originalPosition){return B}if(this.containment){if(B.left<this.containment[0]){B.left=this.containment[0]}if(B.top<this.containment[1]){B.top=this.containment[1]}if(B.left>this.containment[2]){B.left=this.containment[2]}if(B.top>this.containment[3]){B.top=this.containment[3]}}if(G.grid){var F=this.originalPosition.top+Math.round((B.top-this.originalPosition.top)/G.grid[1])*G.grid[1];B.top=this.containment?(!(F<this.containment[1]||F>this.containment[3])?F:(!(F<this.containment[1])?F-G.grid[1]:F+G.grid[1])):F;var E=this.originalPosition.left+Math.round((B.left-this.originalPosition.left)/G.grid[0])*G.grid[0];B.left=this.containment?(!(E<this.containment[0]||E>this.containment[2])?E:(!(E<this.containment[0])?E-G.grid[0]:E+G.grid[0])):E}return B},_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(C,B){A.ui.plugin.call(this,C,[B,this._uiHash()]);if(C=="drag"){this.positionAbs=this._convertPositionTo("absolute")}return this.element.triggerHandler(C=="drag"?C:"drag"+C,[B,this._uiHash()],this.options[C])},plugins:{},_uiHash:function(B){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,options:this.options}}}));A.extend(A.ui.draggable,{version:"1.6",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}});A.ui.plugin.add("draggable","connectToSortable",{start:function(B,D){var C=A(this).data("draggable");C.sortables=[];A(D.options.connectToSortable).each(function(){A(this+"").each(function(){if(A.data(this,"sortable")){var E=A.data(this,"sortable");C.sortables.push({instance:E,shouldRevert:E.options.revert});E._refreshItems();E._propagate("activate",B,C)}})})},stop:function(B,D){var C=A(this).data("draggable");A.each(C.sortables,function(){if(this.instance.isOver){this.instance.isOver=0;C.cancelHelperRemoval=true;this.instance.cancelHelperRemoval=false;if(this.shouldRevert){this.instance.options.revert=true}this.instance._mouseStop(B);this.instance.element.triggerHandler("sortreceive",[B,A.extend(this.instance._ui(),{sender:C.element})],this.instance.options["receive"]);this.instance.options.helper=this.instance.options._helper;if(C.options.helper=="original"){this.instance.currentItem.css({top:"auto",left:"auto"})}}else{this.instance.cancelHelperRemoval=false;this.instance._propagate("deactivate",B,C)}})},drag:function(C,F){var E=A(this).data("draggable"),B=this;var D=function(I){var N=this.offset.click.top,M=this.offset.click.left;var G=this.positionAbs.top,K=this.positionAbs.left;var J=I.height,L=I.width;var O=I.top,H=I.left;return A.ui.isOver(G+N,K+M,O,H,J,L)};A.each(E.sortables,function(G){if(D.call(E,this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=A(B).clone().appendTo(this.instance.element).data("sortable-item",true);this.instance.options._helper=this.instance.options.helper;this.instance.options.helper=function(){return F.helper[0]};C.target=this.instance.currentItem[0];this.instance._mouseCapture(C,true);this.instance._mouseStart(C,true,true);this.instance.offset.click.top=E.offset.click.top;this.instance.offset.click.left=E.offset.click.left;this.instance.offset.parent.left-=E.offset.parent.left-this.instance.offset.parent.left;this.instance.offset.parent.top-=E.offset.parent.top-this.instance.offset.parent.top;E._propagate("toSortable",C)}if(this.instance.currentItem){this.instance._mouseDrag(C)}}else{if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance._mouseStop(C,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();if(this.instance.placeholder){this.instance.placeholder.remove()}E._propagate("fromSortable",C)}}})}});A.ui.plugin.add("draggable","cursor",{start:function(C,D){var B=A("body");if(B.css("cursor")){D.options._cursor=B.css("cursor")}B.css("cursor",D.options.cursor)},stop:function(B,C){if(C.options._cursor){A("body").css("cursor",C.options._cursor)}}});A.ui.plugin.add("draggable","iframeFix",{start:function(B,C){A(C.options.iframeFix===true?"iframe":C.options.iframeFix).each(function(){A('<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(A(this).offset()).appendTo("body")})},stop:function(B,C){A("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)})}});A.ui.plugin.add("draggable","opacity",{start:function(C,D){var B=A(D.helper);if(B.css("opacity")){D.options._opacity=B.css("opacity")}B.css("opacity",D.options.opacity)},stop:function(B,C){if(C.options._opacity){A(C.helper).css("opacity",C.options._opacity)}}});A.ui.plugin.add("draggable","scroll",{start:function(C,D){var E=D.options;var B=A(this).data("draggable");if(B.scrollParent[0]!=document&&B.scrollParent[0].tagName!="HTML"){B.overflowOffset=B.scrollParent.offset()}},drag:function(D,E){var F=E.options,B=false;var C=A(this).data("draggable");if(C.scrollParent[0]!=document&&C.scrollParent[0].tagName!="HTML"){if((C.overflowOffset.top+C.scrollParent[0].offsetHeight)-D.pageY<F.scrollSensitivity){C.scrollParent[0].scrollTop=B=C.scrollParent[0].scrollTop+F.scrollSpeed}else{if(D.pageY-C.overflowOffset.top<F.scrollSensitivity){C.scrollParent[0].scrollTop=B=C.scrollParent[0].scrollTop-F.scrollSpeed}}if((C.overflowOffset.left+C.scrollParent[0].offsetWidth)-D.pageX<F.scrollSensitivity){C.scrollParent[0].scrollLeft=B=C.scrollParent[0].scrollLeft+F.scrollSpeed}else{if(D.pageX-C.overflowOffset.left<F.scrollSensitivity){C.scrollParent[0].scrollLeft=B=C.scrollParent[0].scrollLeft-F.scrollSpeed}}}else{if(D.pageY-A(document).scrollTop()<F.scrollSensitivity){B=A(document).scrollTop(A(document).scrollTop()-F.scrollSpeed)}else{if(A(window).height()-(D.pageY-A(document).scrollTop())<F.scrollSensitivity){B=A(document).scrollTop(A(document).scrollTop()+F.scrollSpeed)}}if(D.pageX-A(document).scrollLeft()<F.scrollSensitivity){B=A(document).scrollLeft(A(document).scrollLeft()-F.scrollSpeed)}else{if(A(window).width()-(D.pageX-A(document).scrollLeft())<F.scrollSensitivity){B=A(document).scrollLeft(A(document).scrollLeft()+F.scrollSpeed)}}}if(B!==false&&A.ui.ddmanager&&!F.dropBehaviour){A.ui.ddmanager.prepareOffsets(C,D)}if(B!==false&&C.cssPosition=="absolute"&&C.scrollParent[0]!=document&&A.ui.contains(C.scrollParent[0],C.offsetParent[0])){C.offset.parent=C._getParentOffset()}if(B!==false&&C.cssPosition=="relative"&&!(C.scrollParent[0]!=document&&C.scrollParent[0]!=C.offsetParent[0])){C.offset.relative=C._getRelativeOffset()}}});A.ui.plugin.add("draggable","snap",{start:function(B,D){var C=A(this).data("draggable");C.snapElements=[];A(D.options.snap.constructor!=String?(D.options.snap.items||":data(draggable)"):D.options.snap).each(function(){var F=A(this);var E=F.offset();if(this!=C.element[0]){C.snapElements.push({item:this,width:F.outerWidth(),height:F.outerHeight(),top:E.top,left:E.left})}})},drag:function(M,K){var E=A(this).data("draggable");var Q=K.options.snapTolerance;var P=K.absolutePosition.left,O=P+E.helperProportions.width,D=K.absolutePosition.top,C=D+E.helperProportions.height;for(var N=E.snapElements.length-1;N>=0;N--){var L=E.snapElements[N].left,J=L+E.snapElements[N].width,I=E.snapElements[N].top,S=I+E.snapElements[N].height;if(!((L-Q<P&&P<J+Q&&I-Q<D&&D<S+Q)||(L-Q<P&&P<J+Q&&I-Q<C&&C<S+Q)||(L-Q<O&&O<J+Q&&I-Q<D&&D<S+Q)||(L-Q<O&&O<J+Q&&I-Q<C&&C<S+Q))){if(E.snapElements[N].snapping){(E.options.snap.release&&E.options.snap.release.call(E.element,M,A.extend(E._uiHash(),{snapItem:E.snapElements[N].item})))}E.snapElements[N].snapping=false;continue}if(K.options.snapMode!="inner"){var B=Math.abs(I-C)<=Q;var R=Math.abs(S-D)<=Q;var G=Math.abs(L-O)<=Q;var H=Math.abs(J-P)<=Q;if(B){K.position.top=E._convertPositionTo("relative",{top:I-E.helperProportions.height,left:0}).top}if(R){K.position.top=E._convertPositionTo("relative",{top:S,left:0}).top}if(G){K.position.left=E._convertPositionTo("relative",{top:0,left:L-E.helperProportions.width}).left}if(H){K.position.left=E._convertPositionTo("relative",{top:0,left:J}).left}}var F=(B||R||G||H);if(K.options.snapMode!="outer"){var B=Math.abs(I-D)<=Q;var R=Math.abs(S-C)<=Q;var G=Math.abs(L-P)<=Q;var H=Math.abs(J-O)<=Q;if(B){K.position.top=E._convertPositionTo("relative",{top:I,left:0}).top}if(R){K.position.top=E._convertPositionTo("relative",{top:S-E.helperProportions.height,left:0}).top}if(G){K.position.left=E._convertPositionTo("relative",{top:0,left:L}).left}if(H){K.position.left=E._convertPositionTo("relative",{top:0,left:J-E.helperProportions.width}).left}}if(!E.snapElements[N].snapping&&(B||R||G||H||F)){(E.options.snap.snap&&E.options.snap.snap.call(E.element,M,A.extend(E._uiHash(),{snapItem:E.snapElements[N].item})))}E.snapElements[N].snapping=(B||R||G||H||F)}}});A.ui.plugin.add("draggable","stack",{start:function(B,C){var D=A.makeArray(A(C.options.stack.group)).sort(function(F,E){return(parseInt(A(F).css("zIndex"),10)||C.options.stack.min)-(parseInt(A(E).css("zIndex"),10)||C.options.stack.min)});A(D).each(function(E){this.style.zIndex=C.options.stack.min+E});this[0].style.zIndex=C.options.stack.min+D.length}});A.ui.plugin.add("draggable","zIndex",{start:function(C,D){var B=A(D.helper);if(B.css("zIndex")){D.options._zIndex=B.css("zIndex")}B.css("zIndex",D.options.zIndex)},stop:function(B,C){if(C.options._zIndex){A(C.helper).css("zIndex",C.options._zIndex)}}})})(jQuery)