<?php
/**
 * @package   	JCE
 * @copyright 	Copyright (c) 2009-2012 Ryan Demmer. All rights reserved.
 * @license   	GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * JCE is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 */

defined('_JEXEC') or die('RESTRICTED');

// load base model
require_once (dirname(__FILE__) . '/model.php');

class WFModelHelp extends WFModel {
	function getLanguage()
	{
		$language =JFactory::getLanguage();
		$tag = $language->getTag();

		return   substr($tag, 0, strpos($tag, '-'));
	}

	function getTopics($file)
	{

		$result = '';

		if(file_exists($file)) {
			// load xml
			$xml = WFXMLElement::getXML($file);

			if($xml) {
				foreach($xml->help->children() as $topic) {
					$subtopics = $topic->subtopic;
					$class = count($subtopics) ? ' class="subtopics"' : '';

					$key = $topic->attributes()->key;
					$title = $topic->attributes()->title;
					$file = $topic->attributes()->file;

					// if file attribute load file
					if($file) {
						$result .= $this->getTopics(WF_EDITOR . '/' . $file);
					} else {
						$result .= '<dd' . $class . ' id="' . $key . '">' . trim(WFText::_($title)) . '</dd>';
					}

					if(count($subtopics)) {
						$result .= '<dl class="hidden">';
						foreach($subtopics as $subtopic) {
							$sub_subtopics = $subtopic->subtopic;

							// if a file is set load it as sub-subtopics
							if($file = $subtopic->attributes()->file) {
								$result .= '<dd class="subtopics">' . trim(WFText::_($subtopic->attributes()->title)) . '</dd>';
								$result .= '<dl class="hidden">';
								$result .= $this->getTopics(WF_EDITOR . '/' . $file);
								$result .= '</dl>';
							} else {
								$id = $subtopic->attributes()->key ? ' id="' . $subtopic->attributes()->key . '"' : '';

								$class = count($sub_subtopics) ? ' class="subtopics"' : '';
								$result .= '<dd' . $class . $id . '>' . trim(WFText::_($subtopic->attributes()->title)) . '</dd>';

								if(count($sub_subtopics)) {
									$result .= '<dl class="hidden">';
									foreach($sub_subtopics as $sub_subtopic) {
										$result .= '<dd id="' . $sub_subtopic->attributes('key') . '">' . trim(WFText::_($sub_subtopic->attributes()->title)) . '</dd>';
									}
									$result .= '</dl>';
								}
							}
						}
						$result .= '</dl>';
					}
				}
			}
		}
		return $result;
	}

	/**
	 * Returns a formatted list of help topics
	 *
	 * @access  public
	 * @return  String
	 * @since 1.5
	 */
	function renderTopics()
	{
		$section = JRequest::getWord('section', 'admin');
		$category = JRequest::getWord('category', 'cpanel');

		$document =JFactory::getDocument();
		$language =JFactory::getLanguage();

		$document->setTitle(WFText::_('WF_HELP') . ' : ' . WFText::_('WF_' . strtoupper($category) . '_TITLE'));

		$file = WF_EDITOR_PLUGINS . '/' . $category . '/' . $category . ".xml";

		switch ($section) {
			case 'admin' :
				$file = JPATH_ADMINISTRATOR . '/components/com_jce/models/' . $category . '.xml';
				break;
			case 'editor' :
				$file = WF_EDITOR_PLUGINS . '/' . $category . '/' . $category . ".xml";
				if(!is_file($file)) {
					$file = WF_EDITOR_LIBRARIES . '/xml/help/editor.xml';
				} else {
					$language->load('com_jce_' . $category, JPATH_SITE);
				}
				break;
		}

		$result = '';

		$result .= '<dl><dt><span>' . WFText::_('WF_' . strtoupper($category) . '_TITLE') . '</span></dt>';
		$result .= $this->getTopics($file);
		$result .= '</dl>';

		return $result;
	}

}
?>