if (!dojo._hasResource["dijit._tree.dndSelector"]) { // _hasResource checks
														// added by build. Do
														// not use _hasResource
														// directly in your
														// code.
	dojo._hasResource["dijit._tree.dndSelector"] = true;
	dojo.provide("dijit._tree.dndSelector");
	dojo.require("dojo.dnd.common");
	dojo.require("dijit._tree.dndContainer");

	dojo.declare("dijit._tree.dndSelector", dijit._tree.dndContainer, {
		constructor : function(tree, params) {
			this.selection = {};
			this.anchor = null;
			this.simpleSelection = false;

			this.events.push(dojo.connect(this.tree.domNode, "onmousedown",
							this, "onMouseDown"), dojo.connect(
							this.tree.domNode, "onmouseup", this, "onMouseUp"));
		},

		// object attributes (for markup)
		singular : false, // is singular property

		// methods
		getSelectedItems : function() {
			var selectedItems = []
			for (var i in this.selection) {
				selectedItems
						.push(dijit.getEnclosingWidget(this.selection[i]).item);
			}
			return selectedItems;
		},

		getSelectedNodes : function() {
			return this.selection;
		},

		selectNone : function() {
			// summary: unselects all items
			return this._removeSelection()._removeAnchor(); // self
		},

		insertItems : function(item, parent) {
			// summary: inserts new data items (see Container's insertNodes
			// method for details)

			// we actually need to add things to the store here instead of
			// adding noes to the tree directly
		},

		destroy : function() {
			// summary: prepares the object to be garbage-collected
			dojo.dnd.Selector.superclass.destroy.call(this);
			this.selection = this.anchor = null;
		},

		// mouse events
		onMouseDown : function(e) {
			// summary: event processor for onmousedown
			// e: Event: mouse event
			if (!this.current) {
				return;
			}

			var item = dijit.getEnclosingWidget(this.current).item
			var id = this.tree.store.getIdentity(item);

			if (!this.current.id) {
				this.current.id = id;
			}

			if (!this.current.type) {
				this.current.type = "data";
			}

			if (!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey
					&& (this.current.id in this.selection)) {
				this.simpleSelection = true;
				dojo.stopEvent(e);
				return;
			}

			if (this.singular) {
				if (this.anchor == this.current) {
					if (dojo.dnd.getCopyKeyState(e)) {
						this.selectNone();
					}
				} else {
					this.selectNone();
					this.anchor = this.current;
					this._addItemClass(this.anchor, "Anchor");

					this.selection[this.current.id] = this.current;
				}
			} else {
				if (!this.singular && e.shiftKey) {
					if (dojo.dnd.getCopyKeyState(e)) {
						// TODO add range to selection
					} else {
						// TODO select new range from anchor
					}
				} else {
					if (dojo.dnd.getCopyKeyState(e)) {
						if (this.anchor == this.current) {
							delete this.selection[this.anchor.id];
							this._removeAnchor();
						} else {
							if (this.current.id in this.selection) {
								this._removeItemClass(this.current, "Selected");
								delete this.selection[this.current.id];
							} else {
								if (this.anchor) {
									this
											._removeItemClass(this.anchor,
													"Anchor");
									this._addItemClass(this.anchor, "Selected");
								}
								this.anchor = this.current;
								this._addItemClass(this.current, "Anchor");
								this.selection[this.current.id] = this.current;
							}
						}
					} else {
						var item = dijit.getEnclosingWidget(this.current).item
						var id = this.tree.store.getIdentity(item);
						if (!(id in this.selection)) {
							this.selectNone();
							this.anchor = this.current;
							this._addItemClass(this.current, "Anchor");
							this.selection[id] = this.current;
						}
					}
				}
			}

			dojo.stopEvent(e);
		},

		onMouseMove : function() {

		},

		onOverEvent : function() {
			this.onmousemoveEvent = dojo.connect(this.node, "onmousemove",
					this, "onMouseMove");
		},

		onMouseUp : function(e) {
			// summary: event processor for onmouseup
			// e: Event: mouse event
			if (!this.simpleSelection) {
				return;
			}
			this.simpleSelection = false;
			this.selectNone();
			if (this.current) {
				this.anchor = this.current;
				this._addItemClass(this.anchor, "Anchor");
				this.selection[this.current.id] = this.current;
			}
		},
		_removeSelection : function() {
			// summary: unselects all items
			var e = dojo.dnd._empty;
			for (var i in this.selection) {
				if (i in e) {
					continue;
				}
				var node = dojo.byId(i);
				if (node) {
					this._removeItemClass(node, "Selected");
				}
			}
			this.selection = {};
			return this; // self
		},
		_removeAnchor : function() {
			if (this.anchor) {
				this._removeItemClass(this.anchor, "Anchor");
				this.anchor = null;
			}
			return this; // self
		}
	});

}