web/data/jquery-treeview/jquery.treeview.sortable.js
changeset 10100 6718c03f8938
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/data/jquery-treeview/jquery.treeview.sortable.js	Thu Oct 23 11:42:20 2014 +0200
@@ -0,0 +1,378 @@
+/*
+ * 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.base.js
+ *
+ * Revision: $Id: ui.sortable.js 5262 2008-04-17 13:13:51Z paul.bakaus $
+ */
+;(function($) {
+
+	if (window.Node && Node.prototype && !Node.prototype.contains) {
+		Node.prototype.contains = function (arg) {
+			return !!(this.compareDocumentPosition(arg) & 16);
+		};
+	}
+
+
+	$.widget("ui.sortableTree", $.extend($.ui.mouse, {
+		init: function() {
+
+			//Initialize needed constants
+			var self = this, o = this.options;
+			this.containerCache = {};
+			this.element.addClass("ui-sortableTree");
+
+			//Get the items
+			this.refresh();
+
+			//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();
+
+			//Prepare cursorAt
+			if(o.cursorAt && o.cursorAt.constructor == Array)
+				o.cursorAt = { left: o.cursorAt[0], top: o.cursorAt[1] };
+
+		},
+		plugins: {},
+		ui: function(inst) {
+			return {
+				helper: (inst || this)["helper"],
+				position: (inst || this)["position"].current,
+				absolutePosition: (inst || this)["position"].absolute,
+				instance: this,
+				options: this.options,
+				element: this.element,
+				item: (inst || this)["currentItem"],
+				sender: inst ? inst.element : null
+			};
+		},
+		propagate: function(n,e,inst) {
+			$.ui.plugin.call(this, n, [e, this.ui(inst)]);
+			this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]);
+		},
+		serialize: function(o) {
+
+			var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself
+			var str = []; o = o || {};
+
+			items.each(function() {
+				var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
+				if(res) str.push((o.key || res[1])+'[]='+(o.key ? res[1] : res[2]));
+			});
+
+			return str.join('&');
+
+		},
+		toArray: function(attr) {
+			var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself
+			var ret = [];
+
+			items.each(function() { ret.push($(this).attr(attr || 'id')); });
+			return ret;
+		},
+		enable: function() {
+			this.element.removeClass("ui-sortableTree-disabled");
+			this.options.disabled = false;
+		},
+		disable: function() {
+			this.element.addClass("ui-sortableTree-disabled");
+			this.options.disabled = true;
+		},
+		/* Be careful with the following core functions */
+		intersectsWith: function(item) {
+
+			var x1 = this.position.absolute.left - 10, x2 = x1 + 10,
+			    y1 = this.position.absolute.top - 10, y2 = y1 + 10;
+			var l = item.left, r = l + item.width,
+			    t = item.top,  b = t + item.height;
+
+			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 y1 = this.position.absolute.top - 10, y2 = y1 + 10;
+			var t = item.top,  b = t + item.height;
+
+			if(!this.intersectsWith(item.item.parents(".ui-sortableTree").data("sortableTree").containerCache)) return false;
+
+			if (!( t < y1 + (this.helperProportions.height / 2)        // Bottom Half
+				&&     y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half
+
+			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 queries = [$(this.options.items, this.element)];
+
+			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 = $.data(cur[j], 'sortableTree');
+						if(inst && !inst.options.disabled) {
+							queries.push($(inst.options.items, inst.element));
+							this.containers.push(inst);
+						}
+					};
+				};
+			}
+
+			for (var i = queries.length - 1; i >= 0; i--){
+				queries[i].each(function() {
+					$.data(this, 'sortableTree-item', true); // Data for target checking (mouse manager)
+					items.push({
+						item: $(this),
+						width: 0, height: 0,
+						left: 0, top: 0
+					});
+				});
+			};
+
+		},
+		refreshPositions: function(fast) {
+			for (var i = this.items.length - 1; i >= 0; i--){
+				if(!fast) this.items[i].height 			= this.items[i].item.outerHeight();
+				this.items[i].top 						= this.items[i].item.offset().top;
+			};
+			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-sortableTree ui-sortableTree-disabled")
+				.removeData("sortableTree")
+				.unbind(".sortableTree");
+			this.mouseDestroy();
+
+			for ( var i = this.items.length - 1; i >= 0; i-- )
+				this.items[i].item.removeData("sortableTree-item");
+
+		},
+		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.position.absolute.top;
+							for (var j = this.items.length - 1; j >= 0; j--) {
+								if(!this.containers[i].element[0].contains(this.items[j].item[0])) continue;
+								var cur = this.items[j].top;
+								if(Math.abs(cur - base) < dist) {
+									dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
+								}
+							}
+
+							itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance) : this.rearrange(e, null, this.containers[i].element);
+							this.propagate("change", e); //Call plugins and callbacks
+							this.containers[i].propagate("change", e, this); //Call plugins and callbacks
+							this.currentContainer = this.containers[i];
+
+						}
+
+						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;
+					}
+				}
+
+			};
+		},
+		mouseStart: function(e,el) {
+
+			if(this.options.disabled || this.options.type == 'static') return false;
+
+			//Find out if the clicked node (or one of its parents) is a actual item in this.items
+			var currentItem = null, nodes = $(e.target).parents().each(function() {
+				if($.data(this, 'sortableTree-item')) {
+					currentItem = $(this);
+					return false;
+				}
+			});
+			if($.data(e.target, 'sortableTree-item')) currentItem = $(e.target);
+
+			if(!currentItem) return false;
+			if(this.options.handle) {
+				var validHandle = false;
+				$(this.options.handle, currentItem).each(function() { if(this == e.target) validHandle = true; });
+				if(!validHandle) return false;
+			}
+
+			this.currentItem = currentItem;
+
+			var o = this.options;
+			this.currentContainer = this;
+			this.refresh();
+
+			//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) this.helper.appendTo("body"); //Add the helper to the DOM if that didn't happen already
+			this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortableTree-helper'); //Position it absolutely and add a helper class
+
+			//Prepare variables for position generation
+			$.extend(this, {
+				offsetParent: this.helper.offsetParent(),
+				offsets: { absolute: this.currentItem.offset() }
+			});
+
+			//Save the first time position
+			$.extend(this, {
+				position: {
+					current: { left: e.pageX, top: e.pageY },
+					absolute: { left: e.pageX, top: e.pageY },
+					dom: this.currentItem.prev()[0]
+				},
+				clickOffset: { left: -5, top: -5 }
+			});
+
+			this.propagate("start", e); //Call plugins and callbacks
+			this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() }; //Save and store the helper proportions
+
+			for (var i = this.containers.length - 1; i >= 0; i--) {
+				this.containers[i].propagate("activate", e, this);
+			} //Post 'activate' events to possible containers
+
+			//Prepare possible droppables
+			if($.ui.ddmanager) $.ui.ddmanager.current = this;
+			if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
+
+			this.dragging = true;
+			return true;
+
+		},
+		mouseStop: function(e) {
+
+			if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt); //remove sort indicator
+			this.propagate("stop", e); //Call plugins and trigger callbacks
+
+			//If we are using droppables, inform the manager about the drop
+			var dropped = ($.ui.ddmanager && !this.options.dropBehaviour) ? $.ui.ddmanager.drop(this, e) : false;
+			if(!dropped && this.newPositionAt) this.newPositionAt[this.direction == 'down' ? 'before' : 'after'](this.currentItem); //Append to element to its new position
+
+			if(this.position.dom != this.currentItem.prev()[0]) this.propagate("update", e); //Trigger update callback if the DOM position has changed
+			if(!this.element[0].contains(this.currentItem[0])) { //Node was moved out of the current element
+				this.propagate("remove", e);
+				for (var i = this.containers.length - 1; i >= 0; i--){
+					if(this.containers[i].element[0].contains(this.currentItem[0])) {
+						this.containers[i].propagate("update", e, this);
+						this.containers[i].propagate("receive", e, this);
+					}
+				};
+			};
+
+			//Post events to containers
+			for (var i = this.containers.length - 1; i >= 0; i--){
+				this.containers[i].propagate("deactivate", e, this);
+				if(this.containers[i].containerCache.over) {
+					this.containers[i].propagate("out", e, this);
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+
+			this.dragging = false;
+			if(this.cancelHelperRemoval) return false;
+			this.helper.remove();
+
+			return false;
+
+		},
+		mouseDrag: function(e) {
+
+			//Compute the helpers position
+			this.position.current = { top: e.pageY + 5, left: e.pageX + 5 };
+			this.position.absolute = { left: e.pageX + 5, top: e.pageY + 5 };
+
+			//Interconnect with droppables
+			if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
+			var intersectsWithDroppable = false;
+			$.each($.ui.ddmanager.droppables, function() {
+				if(this.isover) intersectsWithDroppable = true;
+			});
+
+			//Rearrange
+			if(intersectsWithDroppable) {
+				if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt);
+			} else {
+				for (var i = this.items.length - 1; i >= 0; i--) {
+
+					if(this.currentItem[0].contains(this.items[i].item[0])) continue;
+
+					var intersection = this.intersectsWithEdge(this.items[i]);
+					if(!intersection) continue;
+
+					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);
+
+			this.propagate("sort", e); //Call plugins and callbacks
+			this.helper.css({ left: this.position.current.left+'px', top: this.position.current.top+'px' }); // Stick the helper to the cursor
+			return false;
+
+		},
+		rearrange: function(e, i, a) {
+			if(i) {
+				if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt);
+				this.newPositionAt = i.item;
+				this.options.sortIndication[this.direction].call(this.currentItem, this.newPositionAt);
+			} else {
+				//Append
+			}
+		}
+	}));
+
+	$.extend($.ui.sortableTree, {
+		defaults: {
+			items: '> *',
+			zIndex: 1000,
+			distance: 1
+		},
+		getter: "serialize toArray"
+	});
+
+
+
+})(jQuery);