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<?php
/**
* @package Joomla.Plugin
* @subpackage Content.loadmodule
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Plug-in to enable loading modules into content (e.g. articles)
* This uses the {loadmodule} syntax
*
* @since 1.5
*/
class PlgContentLoadmodule extends JPlugin
{
protected static $modules = array();
protected static $mods = array();
/**
* Plugin that loads module positions within content
*
* @param string $context The context of the content being passed to the plugin.
* @param object &$article The article object. Note $article->text is also available
* @param mixed &$params The article params
* @param integer $page The 'page' number
*
* @return mixed true if there is an error. Void otherwise.
*
* @since 1.6
*/
public function onContentPrepare($context, &$article, &$params, $page = 0)
{
// Don't run this plugin when the content is being indexed
if ($context == 'com_finder.indexer')
{
return true;
}
// Simple performance check to determine whether bot should process further
if (strpos($article->text, 'loadposition') === false && strpos($article->text, 'loadmodule') === false)
{
return true;
}
// Expression to search for (positions)
$regex = '/{loadposition\s(.*?)}/i';
$style = $this->params->def('style', 'none');
// Expression to search for(modules)
$regexmod = '/{loadmodule\s(.*?)}/i';
$stylemod = $this->params->def('style', 'none');
// Find all instances of plugin and put in $matches for loadposition
// $matches[0] is full pattern match, $matches[1] is the position
preg_match_all($regex, $article->text, $matches, PREG_SET_ORDER);
// No matches, skip this
if ($matches)
{
foreach ($matches as $match)
{
$matcheslist = explode(',', $match[1]);
// We may not have a module style so fall back to the plugin default.
if (!array_key_exists(1, $matcheslist))
{
$matcheslist[1] = $style;
}
$position = trim($matcheslist[0]);
$style = trim($matcheslist[1]);
$output = $this->_load($position, $style);
// We should replace only first occurrence in order to allow positions with the same name to regenerate their content:
$article->text = preg_replace("|$match[0]|", addcslashes($output, '\\$'), $article->text, 1);
$style = $this->params->def('style', 'none');
}
}
// Find all instances of plugin and put in $matchesmod for loadmodule
preg_match_all($regexmod, $article->text, $matchesmod, PREG_SET_ORDER);
// If no matches, skip this
if ($matchesmod)
{
foreach ($matchesmod as $matchmod)
{
$matchesmodlist = explode(',', $matchmod[1]);
// We may not have a specific module so set to null
if (!array_key_exists(1, $matchesmodlist))
{
$matchesmodlist[1] = null;
}
// We may not have a module style so fall back to the plugin default.
if (!array_key_exists(2, $matchesmodlist))
{
$matchesmodlist[2] = $stylemod;
}
$module = trim($matchesmodlist[0]);
$name = htmlspecialchars_decode(trim($matchesmodlist[1]));
$stylemod = trim($matchesmodlist[2]);
// $match[0] is full pattern match, $match[1] is the module,$match[2] is the title
$output = $this->_loadmod($module, $name, $stylemod);
// We should replace only first occurrence in order to allow positions with the same name to regenerate their content:
$article->text = preg_replace("|$matchmod[0]|", addcslashes($output, '\\$'), $article->text, 1);
$stylemod = $this->params->def('style', 'none');
}
}
}
/**
* Loads and renders the module
*
* @param string $position The position assigned to the module
* @param string $style The style assigned to the module
*
* @return mixed
*
* @since 1.6
*/
protected function _load($position, $style = 'none')
{
self::$modules[$position] = '';
$document = JFactory::getDocument();
$renderer = $document->loadRenderer('module');
$modules = JModuleHelper::getModules($position);
$params = array('style' => $style);
ob_start();
foreach ($modules as $module)
{
echo $renderer->render($module, $params);
}
self::$modules[$position] = ob_get_clean();
return self::$modules[$position];
}
/**
* This is always going to get the first instance of the module type unless
* there is a title.
*
* @param string $module The module title
* @param string $title The title of the module
* @param string $style The style of the module
*
* @return mixed
*
* @since 1.6
*/
protected function _loadmod($module, $title, $style = 'none')
{
self::$mods[$module] = '';
$document = JFactory::getDocument();
$renderer = $document->loadRenderer('module');
$mod = JModuleHelper::getModule($module, $title);
// If the module without the mod_ isn't found, try it with mod_.
// This allows people to enter it either way in the content
if (!isset($mod))
{
$name = 'mod_' . $module;
$mod = JModuleHelper::getModule($name, $title);
}
$params = array('style' => $style);
ob_start();
echo $renderer->render($mod, $params);
self::$mods[$module] = ob_get_clean();
return self::$mods[$module];
}
}