libs/Yii/web/widgets/CTreeView.php

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<?php
/**
 * CTreeView class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.yiiframework.com/
 * @copyright Copyright &copy; 2008-2011 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

/**
 * CTreeView displays a tree view of hierarchical data.
 *
 * It encapsulates the excellent tree view plugin for jQuery
 * ({@link http://bassistance.de/jquery-plugins/jquery-plugin-treeview/}).
 *
 * To use CTreeView, simply sets {@link data} to the data that you want
 * to present and you are there.
 *
 * CTreeView also supports dynamic data loading via AJAX. To do so, set
 * {@link url} to be the URL that can serve the tree view data upon request.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @version $Id$
 * @package system.web.widgets
 * @since 1.0
 */
class CTreeView extends CWidget
{
	/**
	 * @var array the data that can be used to generate the tree view content.
	 * Each array element corresponds to a tree view node with the following structure:
	 * <ul>
	 * <li>text: string, required, the HTML text associated with this node.</li>
	 * <li>expanded: boolean, optional, whether the tree view node is expanded.</li>
	 * <li>id: string, optional, the ID identifying the node. This is used
	 *   in dynamic loading of tree view (see {@link url}).</li>
	 * <li>hasChildren: boolean, optional, defaults to false, whether clicking on this
	 *   node should trigger dynamic loading of more tree view nodes from server.
	 *   The {@link url} property must be set in order to make this effective.</li>
	 * <li>children: array, optional, child nodes of this node.</li>
	 * <li>htmlOptions: array, additional HTML attributes (see {@link CHtml::tag}).
	 *   This option has been available since version 1.1.7.</li>
	 * </ul>
	 * Note, anything enclosed between the beginWidget and endWidget calls will
	 * also be treated as tree view content, which appends to the content generated
	 * from this data.
	 */
	public $data;
	/**
	 * @var mixed the CSS file used for the widget. Defaults to null, meaning
	 * using the default CSS file included together with the widget.
	 * If false, no CSS file will be used. Otherwise, the specified CSS file
	 * will be included when using this widget.
	 */
	public $cssFile;
	/**
	 * @var string|array the URL to which the treeview can be dynamically loaded (in AJAX).
	 * See {@link CHtml::normalizeUrl} for possible URL formats.
	 * Setting this property will enable the dynamic treeview loading.
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