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<?php
/**
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
jimport('joomla.language.help');
/**
* Admin Component Help Model
*
* @package Joomla.Administrator
* @subpackage com_admin
* @since 1.6
*/
class AdminModelHelp extends JModelLegacy
{
/**
* @var string the search string
*/
protected $help_search = null;
/**
* @var string the page to be viewed
*/
protected $page = null;
/**
* @var string the iso language tag
*/
protected $lang_tag = null;
/**
* @var array Table of contents
*/
protected $toc = null;
/**
* @var string url for the latest version check
*/
protected $latest_version_check = null;
/**
* Method to get the help search string
* @return string Help search string
*/
function &getHelpSearch()
{
if (is_null($this->help_search)) {
$this->help_search = JRequest::getString('helpsearch');
}
return $this->help_search;
}
/**
* Method to get the page
* @return string page
*/
function &getPage()
{
if (is_null($this->page))
{
$page = JRequest::getCmd('page', 'JHELP_START_HERE');
$this->page = JHelp::createUrl($page);
}
return $this->page;
}
/**
* Method to get the lang tag
* @return string lang iso tag
*/
function &getLangTag()
{
if (is_null($this->lang_tag))
{
$lang = JFactory::getLanguage();
$this->lang_tag = $lang->getTag();
jimport('joomla.filesystem.folder');
if (!JFolder::exists(JPATH_BASE . '/help/' . $this->lang_tag)) {
$this->lang_tag = 'en-GB'; // use english as fallback
}
}
return $this->lang_tag;
}
/**
* Method to get the toc
* @return array Table of contents
*/
function &getToc()
{
if (is_null($this->toc))
{
// Get vars
$lang_tag = $this->getLangTag();
$help_search = $this->getHelpSearch();
// Get Help files
$files = JFolder::files(JPATH_BASE . '/help/' . $lang_tag, '\.xml$|\.html$');
$this->toc = array();
foreach($files as $file)
{
$buffer = file_get_contents(JPATH_BASE . '/help/' . $lang_tag . '/' . $file);
if (preg_match('#<title>(.*?)</title>#', $buffer, $m))
{
$title = trim($m[1]);
if ($title) {
// Translate the page title
$title = JText::_($title);
// strip the extension
$file = preg_replace('#\.xml$|\.html$#', '', $file);
if ($help_search)
{
if (JString::strpos(JString::strtolower(strip_tags($buffer)), JString::strtolower($help_search)) !== false) {
// Add an item in the Table of Contents
$this->toc[$file] = $title;
}
}
else
{
// Add an item in the Table of Contents
$this->toc[$file] = $title;
}
}
}
}
// Sort the Table of Contents
asort($this->toc);
}
return $this->toc;
}
/**
* Method to get the latest version check;
* @return string Latest Version Check URL
*/
function &getLatestVersionCheck()
{
if (!$this->latest_version_check) {
$override = 'http://help.joomla.org/proxy/index.php?option=com_help&keyref=Help{major}{minor}:Joomla_Version_{major}_{minor}_{maintenance}';
$this->latest_version_check = JHelp::createUrl('JVERSION', false, $override);
}
return $this->latest_version_check;
}
}