renamed source -> ui

1 files changed, 0 insertions, 552 deletions

diff --git a/source/ui.draggable.js b/source/ui.draggable.js
deleted file mode 100644
index 692cf20d5..000000000
--- a/source/ui.draggable.js
+++ /dev/null
@@ -1,552 +0,0 @@
-/*
- * 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
- *
- * Revision: $Id: ui.draggable.js 5672 2008-05-23 04:11:30Z braeker $
- */
-(function($) {
-
-$.widget("ui.draggable", $.extend($.ui.mouse, {
-	init: function() {
-		
-		//Initialize needed constants
-		var o = this.options;
-
-		//Position the node
-		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;
-		if(!handle) $(this.options.handle, this.element).each(function() {
-			if(this == e.target) handle = true;
-		});
-		if (!handle) return false;
-		
-		if($.ui.ddmanager) $.ui.ddmanager.current = this;
-		
-		//Create and append the visible helper
-		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");
-		
-		/*
-		 * - Position generation -
-		 * This block generates everything position related - it's the core of draggables.
-		 */
-		
-		this.margins = {																				//Cache the margins
-			left: (parseInt(this.element.css("marginLeft"),10) || 0),
-			top: (parseInt(this.element.css("marginTop"),10) || 0)
-		};		
-		
-		this.cssPosition = this.helper.css("position");													//Store the helper's css position
-		this.offset = this.element.offset();															//The element's absolute position on the page
-		this.offset = {																					//Substract the margins from the element's absolute offset
-			top: this.offset.top - this.margins.top,
-			left: this.offset.left - this.margins.left
-		};
-		
-		this.offset.click = {																			//Where the click happened, relative to the element
-			left: e.pageX - this.offset.left,
-			top: e.pageY - this.offset.top
-		};
-		
-		this.offsetParent = this.helper.offsetParent(); var po = this.offsetParent.offset();			//Get the offsetParent and cache its position
-		this.offset.parent = {																			//Store its position plus border
-			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 is a relative to absolute position minus the actual position calculation - only used for relative positioned helpers
-		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);												//Generate the original position
-		this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size
-		
-		if(o.cursorAt) {
-			if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left;
-			if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right;
-			if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top;
-			if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom;
-		}
-		
-		
-		/*
-		 * - Position constraining -
-		 * Here we prepare position constraining like grid and containment.
-		 */	
-		
-		if(o.containment) {
-			if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
-			if(o.containment == 'document') this.containment = [0,0,$(document).width(), ($(document).height() || document.body.parentNode.scrollHeight)];
-			if(!(/^(document|window|parent)$/).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($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0)
-				];
-			}
-		}
-		
-		//Call plugins and callbacks
-		this.propagate("start", e);
-		
-		this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size
-		if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
-		
-		this.helper.addClass("ui-draggable-dragging");
-		this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position
-		return true;
-	},
-	convertPositionTo: function(d, pos) {
-		if(!pos) pos = this.position;
-		var mod = d == "absolute" ? 1 : -1;
-		return {
-			top: (
-				pos.top																	// the calculated relative position
-				+ this.offset.relative.top	* mod										// Only for relative positioned nodes: Relative offset from element to offset parent
-				+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
-				- (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop) * mod	// The offsetParent's scroll position, not if the element is fixed
-				+ (this.cssPosition == "fixed" ? this.offsetParent[0].scrollTop : 0) * mod
-				+ this.margins.top * mod												//Add the margin (you don't want the margin counting in intersection methods)
-			),
-			left: (
-				pos.left																// the calculated relative position
-				+ this.offset.relative.left	* mod										// Only for relative positioned nodes: Relative offset from element to offset parent
-				+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
-				- (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft) * mod	// The offsetParent's scroll position, not if the element is fixed
-				+ (this.cssPosition == "fixed" ? this.offsetParent[0].scrollLeft : 0) * mod
-				+ this.margins.left * mod												//Add the margin (you don't want the margin counting in intersection methods)
-			)
-		};
-	},
-	generatePosition: function(e) {
-		
-		var o = this.options;
-		var position = {
-			top: (
-				e.pageY																	// 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)
-				+ (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop)	// The offsetParent's scroll position, not if the element is fixed
-				- (this.cssPosition == "fixed" ? this.offsetParent[0].scrollTop : 0)
-			),
-			left: (
-				e.pageX																	// 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)
-				+ (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft)	// The offsetParent's scroll position, not if the element is fixed
-				- (this.cssPosition == "fixed" ? this.offsetParent[0].scrollLeft : 0)
-			)
-		};
-		
-		if(!this.originalPosition) return position;										//If we are not dragging yet, we won't check for options
-		
-		/*
-		 * - Position constraining -
-		 * Constrain the position to a mix of grid, containment.
-		 */
-		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) {
-		
-		//Compute the helpers position
-		this.position = this.generatePosition(e);
-		this.positionAbs = this.convertPositionTo("absolute");
-		
-		//Call plugins and callbacks and use the resulting position if something is returned		
-		this.position = this.propagate("drag", e) || 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) $.ui.ddmanager.drag(this, e);
-		
-		return false;
-	},
-	mouseStop: function(e) {
-		
-		//If we are using droppables, inform the manager about the drop
-		if ($.ui.ddmanager && !this.options.dropBehaviour)
-			$.ui.ddmanager.drop(this, e);
-			
-		if(this.options.revert) {
-			var self = this;
-			$(this.helper).animate(this.originalPosition, parseInt(this.options.revert, 10) || 500, function() {
-				self.propagate("stop", e);
-				self.clear();
-			});
-		} else {
-			this.propagate("stop", e);
-			this.clear();
-		}
-		
-		return false;
-	},
-	clear: function() {
-		this.helper.removeClass("ui-draggable-dragging");
-		if(this.options.helper != 'original' && !this.cancelHelperRemoval) this.helper.remove();
-		if($.ui.ddmanager) $.ui.ddmanager.current = null;
-		this.helper = null;
-		this.cancelHelperRemoval = false;
-	},
-	
-	// From now on bulk stuff - mainly helpers
-	plugins: {},
-	uiHash: function(e) {
-		return {
-			helper: this.helper,
-			position: this.position,
-			absolutePosition: this.positionAbs,
-			options: this.options			
-		};
-	},
-	propagate: function(n,e) {
-		$.ui.plugin.call(this, n, [e, this.uiHash()]);
-		return this.element.triggerHandler(n == "drag" ? n : "drag"+n, [e, this.uiHash()], this.options[n]);
-	},
-	destroy: function() {
-		if(!this.element.data('draggable')) return;
-		this.element.removeData("draggable").unbind(".draggable").removeClass('ui-draggable');
-		this.mouseDestroy();
-	}
-}));
-
-$.extend($.ui.draggable, {
-	defaults: {
-		appendTo: "parent",
-		axis: false,
-		cancel: ":input,button",
-		delay: 0,
-		distance: 0,
-		helper: "original"
-	}
-});
-
-$.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) {
-		$("div.DragDropIframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers	
-	}
-});
-
-$.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 = $(this).data("draggable");
-		var d = ui.options.snapTolerance || 20;
-		var x1 = ui.absolutePosition.left, x2 = x1 + inst.helperProportions.width,
-			y1 = ui.absolutePosition.top, y2 = y1 + inst.helperProportions.height;
-		
-		for (var i = inst.snapElements.length - 1; i >= 0; i--){
-			
-			var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, 
-				t = inst.snapElements[i].top, b = t + inst.snapElements[i].height;
-			
-			//Yes, I know, this is insane ;)
-			if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) continue;
-			
-			if(ui.options.snapMode != 'inner') {
-				var ts = Math.abs(t - y2) <= 20;
-				var bs = Math.abs(b - y1) <= 20;
-				var ls = Math.abs(l - x2) <= 20;
-				var rs = Math.abs(r - x1) <= 20;
-				if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top;
-				if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b, left: 0 }).top;
-				if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left;
-				if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r }).left;
-			}
-			
-			if(ui.options.snapMode != 'outer') {
-				var ts = Math.abs(t - y1) <= 20;
-				var bs = Math.abs(b - y2) <= 20;
-				var ls = Math.abs(l - x1) <= 20;
-				var rs = Math.abs(r - x2) <= 20;
-				if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t, left: 0 }).top;
-				if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top;
-				if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l }).left;
-				if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left;
-			}
-			
-		};
-	}
-});
-
-$.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.refresh();	//Do a one-time refresh at start to refresh the containerCache	
-				sortable.propagate("activate", e, inst);
-			}
-		});
-
-	},
-	stop: function(e,ui) {
-		
-		//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
-		var inst = $(this).data("draggable");
-		
-		$.each(inst.sortables, function() {
-			if(this.instance.isOver) {
-				this.instance.isOver = 0;
-				inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
-				this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
-				if(this.shouldRevert) this.instance.options.revert = true; //revert here
-				this.instance.mouseStop(e);
-				
-				//Also propagate receive event, since the sortable is actually receiving a element
-				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 it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
-				if(!this.instance.isOver) {
-					this.instance.isOver = 1;
-
-					//Now we fake the start of dragging for the sortable instance,
-					//by cloning the list group item, appending it to the sortable and using it as inst.currentItem
-					//We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
-					this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
-					this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
-					this.instance.options.helper = function() { return ui.helper[0]; };
-				
-					e.target = this.instance.currentItem[0];
-					this.instance.mouseStart(e, true, true);
-
-					//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
-					this.instance.offset.click.top = inst.offset.click.top;
-					this.instance.offset.click.left = inst.offset.click.left;
-					this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
-					this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;
-					
-					inst.propagate("toSortable", e);
-				
-				}
-				
-				//Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
-				if(this.instance.currentItem) this.instance.mouseDrag(e);
-				
-			} else {
-				
-				//If it doesn't intersect with the sortable, and it intersected before,
-				//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
-				if(this.instance.isOver) {
-					this.instance.isOver = 0;
-					this.instance.cancelHelperRemoval = true;
-					this.instance.options.revert = false; //No revert here
-					this.instance.mouseStop(e, true);
-					this.instance.options.helper = this.instance.options._helper;
-					
-					//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
-					this.instance.currentItem.remove();
-					this.instance.placeholder.remove();
-					
-					inst.propagate("fromSortable", e);
-				}
-				
-			};
-
-		});
-
-	}
-});
-
-$.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);