File: tree/js/extensions/tree-node-labelable.js

            /**
            @module tree
            @submodule tree-labelable
            **/
            
            /**
            `Tree.Node` extension that adds baked in support for labels like you might see
            in a treeview or menu.
            
            **Security note:** The label is stored in raw, unescaped form. If you choose to
            render the label as HTML, be sure to escape it first with `Y.Escape.html()`
            unless you actually intend to render raw HTML contained in the label.
            
            @class Tree.Node.Labelable
            @constructor
            @param {Tree} tree `Tree` instance with which this node should be associated.
            @param {Object} [config] Configuration hash.
                @param {String} [config.label=''] Label for this node.
            @extensionfor Tree.Node
            **/
            
            function NodeLabelable(tree, config) {
                this._serializable = this._serializable.concat('label');
            
                if ('label' in config) {
                    this.label = config.label;
                }
            }
            
            NodeLabelable.prototype = {
                /**
                Label for this node.
            
                **Security note:** The label is stored in raw, unescaped form. If you choose
                to render the label as HTML, be sure to escape it first with
                `Y.Escape.html()` unless you actually intend to render raw HTML contained in
                the label.
            
                @property {String} label
                @default ''
                **/
                label: ''
            };
            
            Y.Tree.Node.Labelable = NodeLabelable;