TextItem.js

/**
 * @class Ext.menu.TextItem
 * @extends Ext.menu.BaseItem
 * Adds a static text string to a menu, usually used as either a heading or group separator.
 * @constructor
 * Creates a new TextItem
 * @param {String} text The text to display
 */
Ext.menu.TextItem = function(text){
    this.text = text;
    Ext.menu.TextItem.superclass.constructor.call(this);
};

Ext.extend(Ext.menu.TextItem, Ext.menu.BaseItem, {
    /**
     * @cfg {Boolean} hideOnClick True to hide the containing menu after this item is clicked (defaults to false)
     */
    hideOnClick : false,
    /**
     * @cfg {String} itemCls The default CSS class to use for text items (defaults to "x-menu-text")
     */
    itemCls : "x-menu-text",

    // private
    onRender : function(){
        var s = document.createElement("span");
        s.className = this.itemCls;
        s.innerHTML = this.text;
        this.el = s;
        Ext.menu.TextItem.superclass.onRender.apply(this, arguments);
    }
});