Current File : /home/admin/public_html/old/happy2/plugins/system/highlight/highlight.php
<?php
/**
* @package Joomla.Plugin
* @subpackage System.Highlight
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_BASE') or die;
jimport('joomla.application.component.helper');
/**
* System plugin to highlight terms.
*
* @package Joomla.Plugin
* @subpackage System.Highlight
* @since 2.5
*/
class PlgSystemHighlight extends JPlugin
{
/**
* Method to catch the onAfterDispatch event.
*
* This is where we setup the click-through content highlighting for.
* The highlighting is done with JavaScript so we just
* need to check a few parameters and the JHtml behavior will do the rest.
*
* @return boolean True on success
*
* @since 2.5
*/
public function onAfterDispatch()
{
// Check that we are in the site application.
if (JFactory::getApplication()->isAdmin())
{
return true;
}
// Set the variables
$input = JFactory::getApplication()->input;
$extension = $input->get('option', '', 'cmd');
// Check if the highlighter is enabled.
if (!JComponentHelper::getParams($extension)->get('highlight_terms', 1))
{
return true;
}
// Check if the highlighter should be activated in this environment.
if (JFactory::getDocument()->getType() !== 'html' || $input->get('tmpl', '', 'cmd') === 'component')
{
return true;
}
// Get the terms to highlight from the request.
$terms = $input->request->get('highlight', null, 'base64');
$terms = $terms ? json_decode(base64_decode($terms)) : null;
// Check the terms.
if (empty($terms))
{
return true;
}
// Clean the terms array
$filter = JFilterInput::getInstance();
$cleanTerms = array();
foreach ($terms as $term)
{
$cleanTerms[] = htmlspecialchars($filter->clean($term, 'string'));
}
// Activate the highlighter.
JHtml::_('behavior.highlighter', $cleanTerms);
// Adjust the component buffer.
$doc = JFactory::getDocument();
$buf = $doc->getBuffer('component');
$buf = '<br id="highlighter-start" />' . $buf . '<br id="highlighter-end" />';
$doc->setBuffer($buf, 'component');
return true;
}
}