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Current File : /var/www/html/old/components/com_jce/editor/extensions/links/k2links/k2.php
<?php
/**
 * @copyright    Copyright (C) 2009 Nicholas K. Dionysopoulos. All rights reserved.
 * @author		Nicholas K. Dionysopoulos
 * @license      GNU/GPL v.3 or later
 * 
 * K2Links 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.
 *
 * Based on "joomlalinks" found in JCE's core distribution. Modified by Nicholas
 * K. Dionysopoulos to support JoomlaWorks' K2
 */

defined( '_WF_EXT' ) or die( 'ERROR_403' );

/**
 * This class fetches K2 categories and items
 */
class K2linksK2 extends JObject
{
	var $_option = 'com_k2';
	
	var $_task = 'category';
	
	/**
	* Constructor activating the default information of the class
	*
	* @access	protected
	*/
	function __construct($options = array()){
	}

	/**
	 * Returns a reference to a editor object
	 *
	 * This method must be invoked as:
	 * 		<pre>  $browser =JContentEditor::getInstance();</pre>
	 *
	 * @access	public
	 * @return	JCE  The editor object.
	 * @since	1.5
	 */
	function &getInstance()
	{
		static $instance;

		if ( !is_object( $instance ) ){
			$instance = new K2linksK2();
		}
		return $instance;
	}
	
	public function getOption()
	{
		return $this->_option;
	}
	
	public function getTask()
	{
		return $this->_task;
	}
	
	public function getList()
	{
		$advlink = WFEditorPlugin::getInstance();
		$list = '';
		if ($advlink->checkAccess('k2links.k2', '1')) {
			$list = '<li id="index.php?option=com_k2&task=category"><div class="tree-row"><div class="tree-image"></div><span class="folder content nolink"><a href="javascript:;">' . JText::_('K2 Content') . '</a></span></div></li>';
		}
		return $list;	
	}
	
	function _getK2Categories($parent_id = 0)
	{
		$db		=& JFactory::getDBO();
		
		$query = 'SELECT id, name, alias'
		. ' FROM #__k2_categories'
		. ' WHERE published = 1';
		
		$user	=& JFactory::getUser();
		if(version_compare(JVERSION,'1.6.0','ge')) {
			$query .= ' AND `access` IN ('.implode(',', $user->getAuthorisedViewLevels()).')';
		} else {
			$query .= "\nAND `access` <=".(int) $user->get('aid');
		}
		
		$query .=
		' AND parent = '.$db->Quote($parent_id)
		. ' ORDER BY ordering ASC'
		;

		$db->setQuery($query);
		return $db->loadObjectList();
	}
	
	function _getK2Items($category_id = 0)
	{
		$db		=& JFactory::getDBO();

		$query = 'SELECT *'
		. ' FROM #__k2_items'
		. ' WHERE published = 1';
		
		$user	=& JFactory::getUser();
		if(version_compare(JVERSION,'1.6.0','ge')) {
			$query .= ' AND `access` IN ('.implode(',', $user->getAuthorisedViewLevels()).')';
		} else {
			$query .= "\nAND `access` <=".(int) $user->get('aid');
		}
		
		$query .=
		' AND catid = '.$db->Quote($category_id)
		. ' ORDER BY ordering ASC'
		;

		$db->setQuery($query);
		return $db->loadObjectList();
	}
		
	function getLinks($args)
	{		
		$mainframe = JFactory::getApplication();
		
		$advlink = WFEditorPlugin::getInstance();
		
		require_once(JPATH_SITE .DS. 'components' .DS. 'com_k2' .DS. 'helpers' .DS. 'route.php');

		$items 		= array();
		$view		= isset($args->view) ? $args->view : '';
		
		switch ($view) {
		
		default:
			$categories	= self::_getK2Categories();
			foreach ($categories as $category) {
				$items[] = array(
					'id'		=>	K2HelperRoute::getCategoryRoute($category->id),
					'name'		=>	$category->name,
					'class'		=>	'folder content'
				);
			}
			break;
			
		case 'itemlist':
			$categories	= self::_getK2Categories($args->id);
			$itemlist = self::_getK2Items($args->id);
			foreach ($categories as $category) {
				$items[] = array(
					'id'		=>	K2HelperRoute::getCategoryRoute($category->id),
					'name'		=>	$category->name,
					'class'		=>	'folder content'
				);
			}
			foreach ($itemlist as $item) {
				$items[] = array(
					'id'		=>	K2HelperRoute::getItemRoute($item->id, $args->id),
					'name'		=>	$item->title,
					'class'		=>	'file'
				);
				
				$anchors = self::getAnchors($item->introtext . $item->fulltext);

	                        foreach ($anchors as $anchor) {
	                            $items[] = array(
	                                'id' => $id . '#' . $anchor,
	                                'name' => '#' . $anchor,
	                                'class' => 'file anchor'
	                            );
	                        }
			}

			break;
			
		case 'item':
			break;
		}
		return $items;
	}
	
	private static function getAnchors($content) {
	        preg_match_all('#<a([^>]+)(name|id)="([a-z]+[\w\-\:\.]*)"([^>]*)>#i', $content, $matches, PREG_SET_ORDER);
	
	        $anchors = array();
	
	        if (!empty($matches)) {
	            foreach ($matches as $match) {
	                if (strpos($match[0], 'href') === false) {
	                    $anchors[] = $match[3];
	                }
	            }
	        }
	
	        return $anchors;
	    }
}
?>

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