- Add drag&drop to cat_list.

git-svn-id: http://piwigo.org/svn/trunk@2554 68402e56-0260-453c-a942-63ccdbb3a9ee

5 files changed, 772 insertions, 3 deletions

diff --git a/admin/template/goto/cat_list.tpl b/admin/template/goto/cat_list.tpl
index 18368acb3..dd018a8dd 100644
--- a/admin/template/goto/cat_list.tpl
+++ b/admin/template/goto/cat_list.tpl
@@ -1,4 +1,26 @@
 {* $Id$ *}
+{known_script id="jquery" src=$ROOT_URL|@cat:"template-common/lib/jquery.packed.js"}
+{known_script id="jquery.ui" src=$ROOT_URL|@cat:"template-common/lib/ui/ui.core.packed.js" }
+{known_script id="jquery.ui.sortable" src=$ROOT_URL|@cat:"template-common/lib/ui/ui.sortable.packed.js" }
+
+<script type="text/javascript">
+  jQuery().ready(function(){ldelim}
+    jQuery(".catPos").hide();
+    jQuery('.categoryUl').sortable({ldelim}
+      axis: "y",
+      cursor: "move",
+      opacity: 0.8
+    });
+    jQuery("#categoryOrdering").submit(function(){ldelim}
+      ar = jQuery('.categoryUl').sortable('toArray');
+      for(i=0;i<ar.length;i++) {ldelim}
+        cat = ar[i].split('cat_');
+        document.getElementsByName('catOrd[' + cat[1] + ']')[0].value = i;
+      }
+    });
+  });
+</script>
+
 <h2>{'title_categories'|@translate}</h2>
 
 <h3>{$CATEGORIES_NAV}</h3>
@@ -22,7 +44,7 @@
   <ul class="categoryUl">
 
     {foreach from=$categories item=category}
-    <li class="categoryLi{if $category.IS_VIRTUAL} virtual_cat{/if}">
+    <li class="categoryLi{if $category.IS_VIRTUAL} virtual_cat{/if}" id="cat_{$category.ID}">
       <!-- category {$category.ID} -->
       <ul class="categoryActions">
         <li><a href="{$category.U_JUMPTO}" title="{'jump to category'|@translate}"><img src="{$themeconf.admin_icon_dir}/category_jump-to.png" class="button" alt="{'jump to category'|@translate}" /></a></li>
@@ -46,7 +68,7 @@
       {/if}
       </p>
 
-      <p>
+      <p class="catPos">
         <label>
           {'Position'|@translate} :
           <input type="text" size="4" name="catOrd[{$category.ID}]" maxlength="4" value="{$category.RANK}" />
diff --git a/admin/template/goto/default-layout.css b/admin/template/goto/default-layout.css
index 585614382..1bd58aa5d 100644
--- a/admin/template/goto/default-layout.css
+++ b/admin/template/goto/default-layout.css
@@ -60,6 +60,7 @@ UL.categoryUl {
 }
 
 LI.categoryLi {
+  width: 100%;
   border: 1px solid gray;
   padding: 0px 5px;
   margin-bottom: 5px;
diff --git a/admin/template/goto/theme/roma/theme.css b/admin/template/goto/theme/roma/theme.css
index 4fb0b20c6..46c1378d1 100644
--- a/admin/template/goto/theme/roma/theme.css
+++ b/admin/template/goto/theme/roma/theme.css
@@ -67,7 +67,8 @@ INPUT[type="submit"]:hover , INPUT[type="reset"]:hover  { color:#f33; cursor: po
 INPUT.bigbutton:hover { background-color: #222;  color:#f33; border: 0; }
 .throw  { font-size: 120%; line-height: 26px; padding-top: 10px; font-weight: bold; }
 label { cursor:pointer }
-.virtual_cat { background: #222 !important; }
+.categoryLi { background: #222 }
+.virtual_cat { background: #333 !important; }
 a.Piwigo {
   font-family: verdana, arial, helvetica, sans-serif !important;
   font-size: 11px; font-weight: normal; letter-spacing: 0;
diff --git a/template-common/lib/ui/ui.sortable.js b/template-common/lib/ui/ui.sortable.js
new file mode 100644
index 000000000..6d33bf98c
--- /dev/null
+++ b/template-common/lib/ui/ui.sortable.js
@@ -0,0 +1,743 @@
+/*
+ * jQuery UI Sortable
+ *
+ * Copyright (c) 2008 Paul Bakaus
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ * 
+ * http://docs.jquery.com/UI/Sortables
+ *
+ * Depends:
+ *	ui.core.js
+ */
+(function($) {
+
+function contains(a, b) { 
+    var safari2 = $.browser.safari && $.browser.version < 522; 
+    if (a.contains && !safari2) { 
+        return a.contains(b); 
+    } 
+    if (a.compareDocumentPosition) 
+        return !!(a.compareDocumentPosition(b) & 16); 
+    while (b = b.parentNode) 
+          if (b == a) return true; 
+    return false; 
+};
+
+$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
+	init: function() {
+
+		var o = this.options;
+		this.containerCache = {};
+		this.element.addClass("ui-sortable");
+	
+		//Get the items
+		this.refresh();
+
+		//Let's determine if the items are floating
+		this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;
+		
+		//Let's determine the parent's offset
+		if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative');
+		this.offset = this.element.offset();
+
+		//Initialize mouse events for interaction
+		this.mouseInit();
+		
+	},
+	plugins: {},
+	ui: function(inst) {
+		return {
+			helper: (inst || this)["helper"],
+			placeholder: (inst || this)["placeholder"] || $([]),
+			position: (inst || this)["position"],
+			absolutePosition: (inst || this)["positionAbs"],
+			options: this.options,
+			element: this.element,
+			item: (inst || this)["currentItem"],
+			sender: inst ? inst.element : null
+		};		
+	},
+	propagate: function(n,e,inst, noPropagation) {
+		$.ui.plugin.call(this, n, [e, this.ui(inst)]);
+		if(!noPropagation) this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]);
+	},
+	serialize: function(o) {
+
+		var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself
+		var str = []; o = o || {};
+		
+		items.each(function() {
+			var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
+			if(res) str.push((o.key || res[1])+'[]='+(o.key && o.expression ? res[1] : res[2]));
+		});
+		
+		return str.join('&');
+		
+	},
+	toArray: function(attr) {
+		
+		var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself
+		var ret = [];
+
+		items.each(function() { ret.push($(this).attr(attr || 'id')); });
+		return ret;
+		
+	},
+	/* Be careful with the following core functions */
+	intersectsWith: function(item) {
+		
+		var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
+		y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
+		var l = item.left, r = l + item.width, 
+		t = item.top, b = t + item.height;
+
+		if(this.options.tolerance == "pointer" || this.options.forcePointerForContainers || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
+			return (y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r);
+		} else {
+		
+			return (l < x1 + (this.helperProportions.width / 2) // Right Half
+				&& x2 - (this.helperProportions.width / 2) < r // Left Half
+				&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
+				&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
+		
+		}
+		
+	},
+	intersectsWithEdge: function(item) {	
+		var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
+			y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
+		var l = item.left, r = l + item.width, 
+			t = item.top, b = t + item.height;
+
+		if(this.options.tolerance == "pointer" || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
+
+			if(!(y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r)) return false;
+			
+			if(this.floating) {
+				if(x1 + this.offset.click.left > l && x1 + this.offset.click.left < l + item.width/2) return 2;
+				if(x1 + this.offset.click.left > l+item.width/2 && x1 + this.offset.click.left < r) return 1;
+			} else {
+				if(y1 + this.offset.click.top > t && y1 + this.offset.click.top < t + item.height/2) return 2;
+				if(y1 + this.offset.click.top > t+item.height/2 && y1 + this.offset.click.top < b) return 1;
+			}
+
+		} else {
+		
+			if (!(l < x1 + (this.helperProportions.width / 2) // Right Half
+				&& x2 - (this.helperProportions.width / 2) < r // Left Half
+				&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
+				&& y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half
+			
+			if(this.floating) {
+				if(x2 > l && x1 < l) return 2; //Crosses left edge
+				if(x1 < r && x2 > r) return 1; //Crosses right edge
+			} else {
+				if(y2 > t && y1 < t) return 1; //Crosses top edge
+				if(y1 < b && y2 > b) return 2; //Crosses bottom edge
+			}
+		
+		}
+		
+		return false;
+		
+	},
+	refresh: function() {
+		this.refreshItems();
+		this.refreshPositions();
+	},
+	refreshItems: function() {
+		
+		this.items = [];
+		this.containers = [this];
+		var items = this.items;
+		var self = this;
+		var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element), this]];
+	
+		if(this.options.connectWith) {
+			for (var i = this.options.connectWith.length - 1; i >= 0; i--){
+				var cur = $(this.options.connectWith[i]);
+				for (var j = cur.length - 1; j >= 0; j--){
+					var inst = $.data(cur[j], 'sortable');
+					if(inst && !inst.options.disabled) {
+						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element), inst]);
+						this.containers.push(inst);
+					}
+				};
+			};
+		}
+
+		for (var i = queries.length - 1; i >= 0; i--){
+			queries[i][0].each(function() {
+				$.data(this, 'sortable-item', queries[i][1]); // Data for target checking (mouse manager)
+				items.push({
+					item: $(this),
+					instance: queries[i][1],
+					width: 0, height: 0,
+					left: 0, top: 0
+				});
+			});
+		};
+
+	},
+	refreshPositions: function(fast) {
+
+		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
+		if(this.offsetParent) {
+			var po = this.offsetParent.offset();
+			this.offset.parent = { top: po.top + this.offsetParentBorders.top, left: po.left + this.offsetParentBorders.left };
+		}
+
+		for (var i = this.items.length - 1; i >= 0; i--){		
+			
+			//We ignore calculating positions of all connected containers when we're not over them
+			if(this.items[i].instance != this.currentContainer && this.currentContainer && this.items[i].item[0] != this.currentItem[0])
+				continue;
+				
+			var t = this.options.toleranceElement ? $(this.options.toleranceElement, this.items[i].item) : this.items[i].item;
+			
+			if(!fast) {
+				this.items[i].width = t[0].offsetWidth;
+				this.items[i].height = t[0].offsetHeight;
+			}
+			
+			var p = t.offset();
+			this.items[i].left = p.left;
+			this.items[i].top = p.top;
+			
+		};
+
+		if(this.options.custom && this.options.custom.refreshContainers) {
+			this.options.custom.refreshContainers.call(this);
+		} else {
+			for (var i = this.containers.length - 1; i >= 0; i--){
+				var p =this.containers[i].element.offset();
+				this.containers[i].containerCache.left = p.left;
+				this.containers[i].containerCache.top = p.top;
+				this.containers[i].containerCache.width	= this.containers[i].element.outerWidth();
+				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
+			};
+		}
+
+	},
+	destroy: function() {
+		this.element
+			.removeClass("ui-sortable ui-sortable-disabled")
+			.removeData("sortable")
+			.unbind(".sortable");
+		this.mouseDestroy();
+		
+		for ( var i = this.items.length - 1; i >= 0; i-- )
+			this.items[i].item.removeData("sortable-item");
+	},
+	createPlaceholder: function(that) {
+		
+		var self = that || this, o = self.options;
+
+		if(o.placeholder.constructor == String) {
+			var className = o.placeholder;
+			o.placeholder = {
+				element: function() {
+					return $('<div></div>').addClass(className)[0];
+				},
+				update: function(i, p) {
+					p.css(i.offset()).css({ width: i.outerWidth(), height: i.outerHeight() });
+				}
+			};
+		}
+		
+		self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem)).appendTo('body').css({ position: 'absolute' });
+		o.placeholder.update.call(self.element, self.currentItem, self.placeholder);
+	},
+	contactContainers: function(e) {
+		for (var i = this.containers.length - 1; i >= 0; i--){
+
+			if(this.intersectsWith(this.containers[i].containerCache)) {
+				if(!this.containers[i].containerCache.over) {
+					
+
+					if(this.currentContainer != this.containers[i]) {
+						
+						//When entering a new container, we will find the item with the least distance and append our item near it
+						var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];
+						for (var j = this.items.length - 1; j >= 0; j--) {
+							if(!contains(this.containers[i].element[0], this.items[j].item[0])) continue;
+							var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];
+							if(Math.abs(cur - base) < dist) {
+								dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
+							}
+						}
+						
+						if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
+							continue;
+						
+						//We also need to exchange the placeholder
+						if(this.placeholder) this.placeholder.remove();
+						if(this.containers[i].options.placeholder) {
+							this.containers[i].createPlaceholder(this);
+						} else {
+							this.placeholder = null;;
+						}
+						
+						this.currentContainer = this.containers[i];
+						itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance, null, true) : this.rearrange(e, null, this.containers[i].element, true);
+						this.propagate("change", e); //Call plugins and callbacks
+						this.containers[i].propagate("change", e, this); //Call plugins and callbacks
+
+					}
+					
+					this.containers[i].propagate("over", e, this);
+					this.containers[i].containerCache.over = 1;
+				}
+			} else {
+				if(this.containers[i].containerCache.over) {
+					this.containers[i].propagate("out", e, this);
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+			
+		};			
+	},
+	mouseCapture: function(e, overrideHandle) {
+	
+		if(this.options.disabled || this.options.type == 'static') return false;
+
+		//We have to refresh the items data once first
+		this.refreshItems();
+
+		//Find out if the clicked node (or one of its parents) is a actual item in this.items
+		var currentItem = null, self = this, nodes = $(e.target).parents().each(function() {	
+			if($.data(this, 'sortable-item') == self) {
+				currentItem = $(this);
+				return false;
+			}
+		});
+		if($.data(e.target, 'sortable-item') == self) currentItem = $(e.target);
+
+		if(!currentItem) return false;
+		if(this.options.handle && !overrideHandle) {
+			var validHandle = false;
+			
+			$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == e.target) validHandle = true; });
+			if(!validHandle) return false;
+		}
+			
+		this.currentItem = currentItem;
+		return true;	
+			
+	},
+	mouseStart: function(e, overrideHandle, noActivation) {
+
+		var o = this.options;
+		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 = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone();
+		if (!this.helper.parents('body').length) $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(this.helper[0]); //Add the helper to the DOM if that didn't happen already
+		this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortable-helper'); //Position it absolutely and add a helper class
+
+		/*
+		 * - Position generation -
+		 * This block generates everything position related - it's the core of draggables.
+		 */
+
+		this.margins = {																				//Cache the margins
+			left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
+			top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
+		};		
+	
+		this.offset = this.currentItem.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();													//Get the offsetParent and cache its position
+		var po = this.offsetParent.offset();			
+
+		this.offsetParentBorders = {
+			top: (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
+			left: (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
+		};
+		this.offset.parent = {																			//Store its position plus border
+			top: po.top + this.offsetParentBorders.top,
+			left: po.left + this.offsetParentBorders.left
+		};
+	
+		this.originalPosition = this.generatePosition(e);												//Generate the original position
+		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };  //Cache the former DOM position
+		
+		//If o.placeholder is used, create a new element at the given position with the class
+		this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size
+		if(o.placeholder) this.createPlaceholder();
+		
+		//Call plugins and callbacks
+		this.propagate("start", e);
+		this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache 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' || o.containment == 'window') this.containment = [
+				0 - this.offset.parent.left,
+				0 - this.offset.parent.top,
+				$(o.containment == 'document' ? document : window).width() - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0),
+				($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.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.parent.left,
+					co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top,
+					co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0),
+					co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0)
+				];
+			}
+		}
+
+		//Set the original element visibility to hidden to still fill out the white space
+		if(this.options.placeholder != 'clone')
+			this.currentItem.css('visibility', 'hidden');
+		
+		//Post 'activate' events to possible containers
+		if(!noActivation) {
+			 for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i].propagate("activate", e, this); }
+		}
+		
+		//Prepare possible droppables
+		if($.ui.ddmanager) $.ui.ddmanager.current = this;
+		if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
+
+		this.dragging = true;
+
+		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.parent.top * mod											// The offsetParent's offset without borders (offset + border)
+				- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) * mod	// The offsetParent's scroll position
+				+ 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.parent.left * mod											// The offsetParent's offset without borders (offset + border)
+				- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) * mod	// The offsetParent's scroll position
+				+ 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.parent.top												// The offsetParent's offset without borders (offset + border)
+				+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)	// The offsetParent's scroll position, not if the element is fixed
+			),
+			left: (
+				e.pageX																	// The absolute mouse position
+				- this.offset.click.left												// Click offset (relative to the element)
+				- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
+				+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft)	// The offsetParent's scroll position, not if the element is fixed
+			)
+		};
+		
+		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 the internal plugins
+		$.ui.plugin.call(this, "sort", [e, this.ui()]);
+		
+		//Regenerate the absolute position used for position checks
+		this.positionAbs = this.convertPositionTo("absolute");
+		
+		//Set the helper's position
+		this.helper[0].style.left = this.position.left+'px';
+		this.helper[0].style.top = this.position.top+'px';
+
+		//Rearrange
+		for (var i = this.items.length - 1; i >= 0; i--) {
+			var intersection = this.intersectsWithEdge(this.items[i]);
+			if(!intersection) continue;
+			
+			if(this.items[i].item[0] != this.currentItem[0] //cannot intersect with itself
+				&&	this.currentItem[intersection == 1 ? "next" : "prev"]()[0] != this.items[i].item[0] //no useless actions that have been done before
+				&&	!contains(this.currentItem[0], this.items[i].item[0]) //no action if the item moved is the parent of the item checked
+				&& (this.options.type == 'semi-dynamic' ? !contains(this.element[0], this.items[i].item[0]) : true)
+			) {
+				
+				this.direction = intersection == 1 ? "down" : "up";
+				this.rearrange(e, this.items[i]);
+				this.propagate("change", e); //Call plugins and callbacks
+				break;
+			}
+		}
+		
+		//Post events to containers
+		this.contactContainers(e);
+		
+		//Interconnect with droppables
+		if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
+
+		//Call callbacks
+		this.element.triggerHandler("sort", [e, this.ui()], this.options["sort"]);
+
+		return false;
+		
+	},
+	rearrange: function(e, i, a, hardRefresh) {
+		a ? a[0].appendChild(this.currentItem[0]) : i.item[0].parentNode.insertBefore(this.currentItem[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
+		
+		//Various things done here to improve the performance:
+		// 1. we create a setTimeout, that calls refreshPositions
+		// 2. on the instance, we have a counter variable, that get's higher after every append
+		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
+		// 4. this lets only the last addition to the timeout stack through
+		this.counter = this.counter ? ++this.counter : 1;
+		var self = this, counter = this.counter;
+
+		window.setTimeout(function() {
+			if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
+		},0);
+		
+		if(this.options.placeholder)
+			this.options.placeholder.update.call(this.element, this.currentItem, this.placeholder);
+	},
+	mouseStop: function(e, noPropagation) {
+
+		//If we are using droppables, inform the manager about the drop
+		if ($.ui.ddmanager && !this.options.dropBehaviour)
+			$.ui.ddmanager.drop(this, e);
+			
+		if(this.options.revert) {
+			var self = this;
+			var cur = self.currentItem.offset();
+
+			//Also animate the placeholder if we have one
+			if(self.placeholder) self.placeholder.animate({ opacity: 'hide' }, (parseInt(this.options.revert, 10) || 500)-50);
+
+			$(this.helper).animate({
+				left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
+				top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
+			}, parseInt(this.options.revert, 10) || 500, function() {
+				self.clear(e);
+			});
+		} else {
+			this.clear(e, noPropagation);
+		}
+
+		return false;
+		
+	},
+	clear: function(e, noPropagation) {
+
+		if(this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) this.propagate("update", e, null, noPropagation); //Trigger update callback if the DOM position has changed
+		if(!contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
+			this.propagate("remove", e, null, noPropagation);
+			for (var i = this.containers.length - 1; i >= 0; i--){
+				if(contains(this.containers[i].element[0], this.currentItem[0])) {
+					this.containers[i].propagate("update", e, this, noPropagation);
+					this.containers[i].propagate("receive", e, this, noPropagation);
+				}
+			};
+		};
+		
+		//Post events to containers
+		for (var i = this.containers.length - 1; i >= 0; i--){
+			this.containers[i].propagate("deactivate", e, this, noPropagation);
+			if(this.containers[i].containerCache.over) {
+				this.containers[i].propagate("out", e, this);
+				this.containers[i].containerCache.over = 0;
+			}
+		}
+		
+		this.dragging = false;
+		if(this.cancelHelperRemoval) {
+			this.propagate("stop", e, null, noPropagation);
+			return false;
+		}
+		
+		$(this.currentItem).css('visibility', '');
+		if(this.placeholder) this.placeholder.remove();
+		this.helper.remove(); this.helper = null;
+		this.propagate("stop", e, null, noPropagation);
+		
+		return true;
+		
+	}
+}));
+
+$.extend($.ui.sortable, {
+	getter: "serialize toArray",
+	defaults: {
+		helper: "clone",
+		tolerance: "guess",
+		distance: 1,
+		delay: 0,
+		scroll: true,
+		scrollSensitivity: 20,
+		scrollSpeed: 20,
+		cancel: ":input",
+		items: '> *',
+		zIndex: 1000,
+		dropOnEmpty: true,
+		appendTo: "parent"
+	}
+});
+
+/*
+ * Sortable Extensions
+ */
+
+$.ui.plugin.add("sortable", "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("sortable", "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("sortable", "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("sortable", "scroll", {
+	start: function(e, ui) {
+		var o = ui.options;
+		var i = $(this).data("sortable");
+	
+		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);
+		}(i.currentItem);
+		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);
+		}(i.currentItem);
+		
+		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();
+		
+	},
+	sort: function(e, ui) {
+		
+		var o = ui.options;
+		var i = $(this).data("sortable");
+		
+		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("sortable", "axis", {
+	sort: function(e, ui) {
+		
+		var i = $(this).data("sortable");
+		
+		if(ui.options.axis == "y") i.position.left = i.originalPosition.left;
+		if(ui.options.axis == "x") i.position.top = i.originalPosition.top;
+		
+	}
+});
+
+})(jQuery);
diff --git a/template-common/lib/ui/ui.sortable.packed.js b/template-common/lib/ui/ui.sortable.packed.js
new file mode 100644
index 000000000..9ccec8ab1
--- /dev/null
+++ b/template-common/lib/ui/ui.sortable.packed.js
@@ -0,0 +1,2 @@
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