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/**
* A menu-specific implementation that differs from TextNode in that only
* one sibling can be expanded at a time.
* @namespace YAHOO.widget
* @class MenuNode
* @extends YAHOO.widget.TextNode
* @param oData {object} a string or object containing the data that will
* be used to render this node.
* Valid properties:
* <dl>
* <dt>label</dt>
* <dd>The text for the node's label</dd>
* <dt>title</dt>
* <dd>The title attribute for the label anchor</dd>
* <dt>title</dt>
* <dd>The title attribute for the label anchor</dd>
* <dt>href</dt>
* <dd>The href for the node's label. By default it is set to
* expand/collapse the node.</dd>
* <dt>target</dt>
* <dd>The target attribute for the label anchor</dd>
* <dt>style</dt>
* <dd>A CSS class to apply to the label anchor</dd>
* </dl>
* All other attributes are made available in noderef.data, which
* can be used to store custom attributes. TreeView.getNode(s)ByProperty
* can be used to retreive a node by one of the attributes.
* @param oParent {YAHOO.widget.Node} this node's parent node
* @param expanded {boolean} the initial expanded/collapsed state
* @constructor
*/
YAHOO.widget.MenuNode = function(oData, oParent, expanded) {
if (oData) {
this.init(oData, oParent, expanded);
this.setUpLabel(oData);
}
/*
* Menus usually allow only one branch to be open at a time.
*/
this.multiExpand = false;
this.logger = new YAHOO.widget.LogWriter(this.toString());
};
YAHOO.extend(YAHOO.widget.MenuNode, YAHOO.widget.TextNode, {
toString: function() {
return "MenuNode (" + this.index + ") " + this.label;
}
});