1 files changed, 84 insertions, 0 deletions
diff --git a/includes/js/dijit/_tree/model.js b/includes/js/dijit/_tree/model.js
new file mode 100644
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+++ b/includes/js/dijit/_tree/model.js
@@ -0,0 +1,84 @@
+
+dojo.declare(
+	"dijit.tree.model",
+	null,
+{
+	// summary
+	//		Contract for any data provider object for the tree.  Tree 
+	//		passes in values to the constructor to specify the callbacks.
+	//		"item" is typically a dojo.data.Item but it's just a black box so
+	//		it could be anything.
+	//
+	//		This (like dojo.data.api.Read) is just documentation, and not meant to be used.
+	
+	destroy: function(){
+		// summary: destroys this object, releasing connections to the store
+	},
+	
+	// =======================================================================
+	// Methods for traversing hierarchy
+	
+	getRoot: function(onItem){
+		// summary:
+		//		Calls onItem with the root item for the tree, possibly a fabricated item.
+		//		Throws exception on error.
+	},
+	
+	mayHaveChildren: function(/*dojo.data.Item*/ item){
+		// summary
+		//		Tells if an item has or may have children.  Implementing logic here
+		//		avoids showing +/- expando icon for nodes that we know don't have children.
+		//		(For efficiency reasons we may not want to check if an element actually
+		//		has children until user clicks the expando node)
+	},
+	
+	getChildren: function(/*dojo.data.Item*/ parentItem, /*function(items)*/ onComplete){
+		// summary
+		// 		Calls onComplete() with array of child items of given parent item, all loaded.
+		//		Throws exception on error.
+	},
+	
+	// =======================================================================
+	// Inspecting items
+	
+	getIdentity: function(/* item */ item){
+		// summary: returns identity for an item
+	},
+	
+	getLabel: function(/*dojo.data.Item*/ item){
+		// summary: get the label for an item
+	},
+	
+	// =======================================================================
+	// Write interface
+	
+	newItem: function(/* Object? */ args, /*Item?*/ parent){
+		// summary
+		//		Creates a new item.   See dojo.data.api.Write for details on args.
+	},
+	
+	pasteItem: function(/*Item*/ childItem, /*Item*/ oldParentItem, /*Item*/ newParentItem, /*Boolean*/ bCopy){
+		// summary
+		//		Move or copy an item from one parent item to another.
+		//		Used in drag & drop.
+		//		If oldParentItem is specified and bCopy is false, childItem is removed from oldParentItem.
+		//		If newParentItem is specified, childItem is attached to newParentItem.
+	},
+	
+	// =======================================================================
+	// Callbacks
+	
+	onChange: function(/*dojo.data.Item*/ item){
+		// summary
+		//		Callback whenever an item has changed, so that Tree
+		//		can update the label, icon, etc.   Note that changes
+		//		to an item's children or parent(s) will trigger an
+		//		onChildrenChange() so you can ignore those changes here.
+	},
+	
+	onChildrenChange: function(/*dojo.data.Item*/ parent, /*dojo.data.Item[]*/ newChildrenList){
+		// summary
+		//		Callback to do notifications about new, updated, or deleted items.
+	}
+});
+