/*
 * jQuery UI Draggable
 *
 * Copyright (c) 2008 Paul Bakaus
 * 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($){$.widget("ui.draggable",$.extend({},$.ui.mouse,{init:function(){var o=this.options;if(o.helper=="original"&&!(/(relative|absolute|fixed)/).test(this.element.css("position"))){this.element.css("position","relative")}this.element.addClass("ui-draggable");(o.disabled&&this.element.addClass("ui-draggable-disabled"));this.mouseInit()},mouseStart:function(e){var o=this.options;if(this.helper||o.disabled||$(e.target).is(".ui-resizable-handle")){return false}var handle=!this.options.handle||!$(this.options.handle,this.element).length?true:false;$(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==e.target){handle=true}});if(!handle){return false}if($.ui.ddmanager){$.ui.ddmanager.current=this}this.helper=$.isFunction(o.helper)?$(o.helper.apply(this.element[0],[e])):(o.helper=="clone"?this.element.clone():this.element);if(!this.helper.parents("body").length){this.helper.appendTo((o.appendTo=="parent"?this.element[0].parentNode:o.appendTo))}if(this.helper[0]!=this.element[0]&&!(/(fixed|absolute)/).test(this.helper.css("position"))){this.helper.css("position","absolute")}this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0)};this.cssPosition=this.helper.css("position");this.offset=this.element.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};this.offset.click={left:e.pageX-this.offset.left,top:e.pageY-this.offset.top};this.offsetParent=this.helper.offsetParent();var po=this.offsetParent.offset();if(this.offsetParent[0]==document.body&&$.browser.mozilla){po={top:0,left:0}}this.offset.parent={top:po.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:po.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};var p=this.element.position();this.offset.relative=this.cssPosition=="relative"?{top:p.top-(parseInt(this.helper.css("top"),10)||0)+this.offsetParent[0].scrollTop,left:p.left-(parseInt(this.helper.css("left"),10)||0)+this.offsetParent[0].scrollLeft}:{top:0,left:0};this.originalPosition=this.generatePosition(e);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(o.cursorAt){if(o.cursorAt.left!=undefined){this.offset.click.left=o.cursorAt.left+this.margins.left}if(o.cursorAt.right!=undefined){this.offset.click.left=this.helperProportions.width-o.cursorAt.right+this.margins.left}if(o.cursorAt.top!=undefined){this.offset.click.top=o.cursorAt.top+this.margins.top}if(o.cursorAt.bottom!=undefined){this.offset.click.top=this.helperProportions.height-o.cursorAt.bottom+this.margins.top}}if(o.containment){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=$(o.containment).offset();this.containment=[co.left+(parseInt($(ce).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left,co.top+(parseInt($(ce).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top,co.left+Math.max(ce.scrollWidth,ce.offsetWidth)-(parseInt($(ce).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),co.top+Math.max(ce.scrollHeight,ce.offsetHeight)-(parseInt($(ce).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}}this.propagate("start",e);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if($.ui.ddmanager&&!o.dropBehaviour){$.ui.ddmanager.prepareOffsets(this,e)}this.helper.addClass("ui-draggable-dragging");this.mouseDrag(e);return true},convertPositionTo:function(d,pos){if(!pos){pos=this.position}var mod=d=="absolute"?1:-1;return{top:(pos.top+this.offset.relative.top*mod+this.offset.parent.top*mod-(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollTop)*mod+(this.cssPosition=="fixed"?$(document).scrollTop():0)*mod+this.margins.top*mod),left:(pos.left+this.offset.relative.left*mod+this.offset.parent.left*mod-(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollLeft)*mod+(this.cssPosition=="fixed"?$(document).scrollLeft():0)*mod+this.margins.left*mod)}},generatePosition:function(e){var o=this.options;var position={top:(e.pageY-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollTop)-(this.cssPosition=="fixed"?$(document).scrollTop():0)),left:(e.pageX-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollLeft)-(this.cssPosition=="fixed"?$(document).scrollLeft():0))};if(!this.originalPosition){return position}if(this.containment){if(position.left<this.containment[0]){position.left=this.containment[0]}if(position.top<this.containment[1]){position.top=this.containment[1]}if(position.left>this.containment[2]){position.left=this.containment[2]}if(position.top>this.containment[3]){position.top=this.containment[3]}}if(o.grid){var top=this.originalPosition.top+Math.round((position.top-this.originalPosition.top)/o.grid[1])*o.grid[1];position.top=this.containment?(!(top<this.containment[1]||top>this.containment[3])?top:(!(top<this.containment[1])?top-o.grid[1]:top+o.grid[1])):top;var left=this.originalPosition.left+Math.round((position.left-this.originalPosition.left)/o.grid[0])*o.grid[0];position.left=this.containment?(!(left<this.containment[0]||left>this.containment[2])?left:(!(left<this.containment[0])?left-o.grid[0]:left+o.grid[0])):left}return position},mouseDrag:function(e){this.position=this.generatePosition(e);this.positionAbs=this.convertPositionTo("absolute");this.position=this.propagate("drag",e)||this.position;if(!this.options.axis||this.options.axis!="y"){if(this.position.left==this.scrollwidth){this.helper[0].style.left=this.scrollwidth+"px"}else{}}if(!this.options.axis||this.options.axis!="x"){this.helper[0].style.top=this.position.top+"px"}if($.ui.ddmanager){$.ui.ddmanager.drag(this,e)}return false},mouseStop:function(e){var dropped=false;if($.ui.ddmanager&&!this.options.dropBehaviour){var dropped=$.ui.ddmanager.drop(this,e)}if((this.options.revert=="invalid"&&!dropped)||(this.options.revert=="valid"&&dropped)||this.options.revert===true){var self=this;$(this.helper).animate(this.originalPosition,parseInt(this.options.revert,10)||500,function(){self.propagate("stop",e);self.clear()})}else{this.propagate("stop",e);this.clear()}return false},clear:function(){this.helper.removeClass("ui-draggable-dragging");if(this.options.helper!="original"&&!this.cancelHelperRemoval){this.helper.remove()}this.helper=null;this.cancelHelperRemoval=false},plugins:{},uiHash:function(e){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,options:this.options}},propagate:function(n,e){$.ui.plugin.call(this,n,[e,this.uiHash()]);if(n=="drag"){this.positionAbs=this.convertPositionTo("absolute")}return this.element.triggerHandler(n=="drag"?n:"drag"+n,[e,this.uiHash()],this.options[n])},destroy:function(){if(!this.element.data("draggable")){return}this.element.removeData("draggable").unbind(".draggable").removeClass("ui-draggable");this.mouseDestroy()}}));$.extend($.ui.draggable,{defaults:{appendTo:"parent",axis:false,cancel:":input",delay:0,distance:1,helper:"original"}});$.ui.plugin.add("draggable","cursor",{start:function(e,ui){var t=$("body");if(t.css("cursor")){ui.options._cursor=t.css("cursor")}t.css("cursor",ui.options.cursor)},stop:function(e,ui){if(ui.options._cursor){$("body").css("cursor",ui.options._cursor)}}});$.ui.plugin.add("draggable","zIndex",{start:function(e,ui){var t=$(ui.helper);if(t.css("zIndex")){ui.options._zIndex=t.css("zIndex")}t.css("zIndex",ui.options.zIndex)},stop:function(e,ui){if(ui.options._zIndex){$(ui.helper).css("zIndex",ui.options._zIndex)}}});$.ui.plugin.add("draggable","opacity",{start:function(e,ui){var t=$(ui.helper);if(t.css("opacity")){ui.options._opacity=t.css("opacity")}t.css("opacity",ui.options.opacity)},stop:function(e,ui){if(ui.options._opacity){$(ui.helper).css("opacity",ui.options._opacity)}}});$.ui.plugin.add("draggable","iframeFix",{start:function(e,ui){$(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(e,ui){$("div.DragDropIframeFix").each(function(){this.parentNode.removeChild(this)})}});$.ui.plugin.add("draggable","scroll",{start:function(e,ui){var o=ui.options;var i=$(this).data("draggable");o.scrollSensitivity=o.scrollSensitivity||20;o.scrollSpeed=o.scrollSpeed||20;i.overflowY=function(el){do{if(/auto|scroll/.test(el.css("overflow"))||(/auto|scroll/).test(el.css("overflow-y"))){return el}el=el.parent()}while(el[0].parentNode);return $(document)}(this);i.overflowX=function(el){do{if(/auto|scroll/.test(el.css("overflow"))||(/auto|scroll/).test(el.css("overflow-x"))){return el}el=el.parent()}while(el[0].parentNode);return $(document)}(this);if(i.overflowY[0]!=document&&i.overflowY[0].tagName!="HTML"){i.overflowYOffset=i.overflowY.offset()}if(i.overflowX[0]!=document&&i.overflowX[0].tagName!="HTML"){i.overflowXOffset=i.overflowX.offset()}},drag:function(e,ui){var o=ui.options;var i=$(this).data("draggable");if(i.overflowY[0]!=document&&i.overflowY[0].tagName!="HTML"){if((i.overflowYOffset.top+i.overflowY[0].offsetHeight)-e.pageY<o.scrollSensitivity){i.overflowY[0].scrollTop=i.overflowY[0].scrollTop+o.scrollSpeed}if(e.pageY-i.overflowYOffset.top<o.scrollSensitivity){i.overflowY[0].scrollTop=i.overflowY[0].scrollTop-o.scrollSpeed}}else{if(e.pageY-$(document).scrollTop()<o.scrollSensitivity){$(document).scrollTop($(document).scrollTop()-o.scrollSpeed)}if($(window).height()-(e.pageY-$(document).scrollTop())<o.scrollSensitivity){$(document).scrollTop($(document).scrollTop()+o.scrollSpeed)}}if(i.overflowX[0]!=document&&i.overflowX[0].tagName!="HTML"){if((i.overflowXOffset.left+i.overflowX[0].offsetWidth)-e.pageX<o.scrollSensitivity){i.overflowX[0].scrollLeft=i.overflowX[0].scrollLeft+o.scrollSpeed}if(e.pageX-i.overflowXOffset.left<o.scrollSensitivity){i.overflowX[0].scrollLeft=i.overflowX[0].scrollLeft-o.scrollSpeed}}else{if(e.pageX-$(document).scrollLeft()<o.scrollSensitivity){$(document).scrollLeft($(document).scrollLeft()-o.scrollSpeed)}if($(window).width()-(e.pageX-$(document).scrollLeft())<o.scrollSensitivity){$(document).scrollLeft($(document).scrollLeft()+o.scrollSpeed)}}}});$.ui.plugin.add("draggable","snap",{start:function(e,ui){var inst=$(this).data("draggable");inst.snapElements=[];$(ui.options.snap===true?".ui-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(e,ui){var inst=$(this).data("draggable");var d=ui.options.snapTolerance||20;var x1=ui.absolutePosition.left,x2=x1+inst.helperProportions.width,y1=ui.absolutePosition.top,y2=y1+inst.helperProportions.height;for(var i=inst.snapElements.length-1;i>=0;i--){var l=inst.snapElements[i].left,r=l+inst.snapElements[i].width,t=inst.snapElements[i].top,b=t+inst.snapElements[i].height;if(!((l-d<x1&&x1<r+d&&t-d<y1&&y1<b+d)||(l-d<x1&&x1<r+d&&t-d<y2&&y2<b+d)||(l-d<x2&&x2<r+d&&t-d<y1&&y1<b+d)||(l-d<x2&&x2<r+d&&t-d<y2&&y2<b+d))){continue}if(ui.options.snapMode!="inner"){var ts=Math.abs(t-y2)<=20;var bs=Math.abs(b-y1)<=20;var ls=Math.abs(l-x2)<=20;var rs=Math.abs(r-x1)<=20;if(ts){ui.position.top=inst.convertPositionTo("relative",{top:t-inst.helperProportions.height,left:0}).top}if(bs){ui.position.top=inst.convertPositionTo("relative",{top:b,left:0}).top}if(ls){ui.position.left=inst.convertPositionTo("relative",{top:0,left:l-inst.helperProportions.width}).left}if(rs){ui.position.left=inst.convertPositionTo("relative",{top:0,left:r}).left}}if(ui.options.snapMode!="outer"){var ts=Math.abs(t-y1)<=20;var bs=Math.abs(b-y2)<=20;var ls=Math.abs(l-x1)<=20;var rs=Math.abs(r-x2)<=20;if(ts){ui.position.top=inst.convertPositionTo("relative",{top:t,left:0}).top}if(bs){ui.position.top=inst.convertPositionTo("relative",{top:b-inst.helperProportions.height,left:0}).top}if(ls){ui.position.left=inst.convertPositionTo("relative",{top:0,left:l}).left}if(rs){ui.position.left=inst.convertPositionTo("relative",{top:0,left:r-inst.helperProportions.width}).left}}}}});$.ui.plugin.add("draggable","connectToSortable",{start:function(e,ui){var inst=$(this).data("draggable");inst.sortables=[];$(ui.options.connectToSortable).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",e,inst)}})},stop:function(e,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(e);this.instance.element.triggerHandler("sortreceive",[e,$.extend(this.instance.ui(),{sender:inst.element})],this.instance.options.receive);this.instance.options.helper=this.instance.options._helper}else{this.instance.propagate("deactivate",e,inst)}})},drag:function(e,ui){var inst=$(this).data("draggable"),self=this;var checkPos=function(o){var l=o.left,r=l+o.width,t=o.top,b=t+o.height;return(l<(this.positionAbs.left+this.offset.click.left)&&(this.positionAbs.left+this.offset.click.left)<r&&t<(this.positionAbs.top+this.offset.click.top)&&(this.positionAbs.top+this.offset.click.top)<b)};$.each(inst.sortables,function(i){if(checkPos.call(inst,this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=$(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]};e.target=this.instance.currentItem[0];this.instance.mouseCapture(e,true);this.instance.mouseStart(e,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",e)}if(this.instance.currentItem){this.instance.mouseDrag(e)}}else{if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance.mouseStop(e,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();if(this.instance.placeholder){this.instance.placeholder.remove()}inst.propagate("fromSortable",e)}}})}});$.ui.plugin.add("draggable","stack",{start:function(e,ui){var group=$.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}})})(jQuery);