helper.php | searchcode

/modules/mod_mainmenu/helper.php

https://github.com/ponlue/abktours
PHP | 418 lines | 284 code | 52 blank | 82 comment | 61 complexity | 43093e3422b3bc7731f91c0c501fdf3f MD5 | raw file

<?php

/**

 * @version		$Id: helper.php 14401 2010-01-26 14:10:00Z louis $

 * @package		Joomla

 * @copyright	Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.

 * @license		GNU/GPL, see LICENSE.php

 * Joomla! 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.

 * See COPYRIGHT.php for copyright notices and details.

 */



// no direct access

defined('_JEXEC') or die('Restricted access');





jimport('joomla.base.tree');

jimport('joomla.utilities.simplexml');



/**

 * mod_mainmenu Helper class

 *

 * @static

 * @package		Joomla

 * @subpackage	Menus

 * @since		1.5

 */

class modMainMenuHelper

{

	function buildXML($params)

	{

		$menu = new JMenuTree($params);

		$items = &JSite::getMenu();



		// Get Menu Items

		$rows = $items->getItems('menutype', $params->get('menutype'));

		$maxdepth = $params->get('maxdepth',10);



		// Build Menu Tree root down (orphan proof - child might have lower id than parent)

		$user =& JFactory::getUser();

		$ids = array();

		$ids[0] = true;

		$last = null;

		$unresolved = array();

		// pop the first item until the array is empty if there is any item

		if ( is_array($rows)) {

			while (count($rows) && !is_null($row = array_shift($rows)))

			{

				if (array_key_exists($row->parent, $ids)) {

					$row->ionly = $params->get('menu_images_link');

					$menu->addNode($params, $row);



					// record loaded parents

					$ids[$row->id] = true;

				} else {

					// no parent yet so push item to back of list

					// SAM: But if the key isn't in the list and we dont _add_ this is infinite, so check the unresolved queue

					if(!array_key_exists($row->id, $unresolved) || $unresolved[$row->id] < $maxdepth) {

						array_push($rows, $row);

						// so let us do max $maxdepth passes

						// TODO: Put a time check in this loop in case we get too close to the PHP timeout

						if(!isset($unresolved[$row->id])) $unresolved[$row->id] = 1;

						else $unresolved[$row->id]++;

					}

				}

			}

		}

		return $menu->toXML();

	}



	function &getXML($type, &$params, $decorator)

	{

		static $xmls;



		if (!isset($xmls[$type])) {

			$cache =& JFactory::getCache('mod_mainmenu');

			$string = $cache->call(array('modMainMenuHelper', 'buildXML'), $params);

			$xmls[$type] = $string;

		}



		// Get document

		$xml = JFactory::getXMLParser('Simple');

		$xml->loadString($xmls[$type]);

		$doc = &$xml->document;



		$menu	= &JSite::getMenu();

		$active	= $menu->getActive();

		$start	= $params->get('startLevel');

		$end	= $params->get('endLevel');

		$sChild	= $params->get('showAllChildren');

		$path	= array();



		// Get subtree

		if ($start)

		{

			$found = false;

			$root = true;

			if(!isset($active)){

				$doc = false;

			}

			else{

				$path = $active->tree;

				for ($i=0,$n=count($path);$i<$n;$i++)

				{

					foreach ($doc->children() as $child)

					{

						if ($child->attributes('id') == $path[$i]) {

							$doc = &$child->ul[0];

							$root = false;

							break;

						}

					}



					if ($i == $start-1) {

						$found = true;

						break;

					}

				}

				if ((!is_a($doc, 'JSimpleXMLElement')) || (!$found) || ($root)) {

					$doc = false;

				}

			}

		}



		if ($doc && is_callable($decorator)) {

			$doc->map($decorator, array('end'=>$end, 'children'=>$sChild));

		}

		return $doc;

	}



	function render(&$params, $callback)

	{

		switch ( $params->get( 'menu_style', 'list' ) )

		{

			case 'list_flat' :

				// Include the legacy library file

				require_once(dirname(__FILE__).DS.'legacy.php');

				mosShowHFMenu($params, 1);

				break;



			case 'horiz_flat' :

				// Include the legacy library file

				require_once(dirname(__FILE__).DS.'legacy.php');

				mosShowHFMenu($params, 0);

				break;



			case 'vert_indent' :

				// Include the legacy library file

				require_once(dirname(__FILE__).DS.'legacy.php');

				mosShowVIMenu($params);

				break;



			default :

				// Include the new menu class

				$xml = modMainMenuHelper::getXML($params->get('menutype'), $params, $callback);

				if ($xml) {

					$class = $params->get('class_sfx');

					$xml->addAttribute('class', 'menu'.$class);

					if ($tagId = $params->get('tag_id')) {

						$xml->addAttribute('id', $tagId);

					}



					$result = JFilterOutput::ampReplace($xml->toString((bool)$params->get('show_whitespace')));

					$result = str_replace(array('<ul/>', '<ul />'), '', $result);

					echo $result;

				}

				break;

		}

	}

}



/**

 * Main Menu Tree Class.

 *

 * @package		Joomla

 * @subpackage	Menus

 * @since		1.5

 */

class JMenuTree extends JTree

{

	/**

	 * Node/Id Hash for quickly handling node additions to the tree.

	 */

	var $_nodeHash = array();



	/**

	 * Menu parameters

	 */

	var $_params = null;



	/**

	 * Menu parameters

	 */

	var $_buffer = null;



	function __construct(&$params)

	{

		$this->_params		=& $params;

		$this->_root		= new JMenuNode(0, 'ROOT');

		$this->_nodeHash[0]	=& $this->_root;

		$this->_current		=& $this->_root;

	}



	function addNode(&$params, $item)

	{

		// Get menu item data

		$data = $this->_getItemData($params, $item);



		// Create the node and add it

		$node = new JMenuNode($item->id, $item->name, $item->access, $data);



		if (isset($item->mid)) {

			$nid = $item->mid;

		} else {

			$nid = $item->id;

		}

		$this->_nodeHash[$nid] =& $node;

		$this->_current =& $this->_nodeHash[$item->parent];



		if ($item->type == 'menulink' && !empty($item->query['Itemid'])) {

			$node->mid = $item->query['Itemid'];

		}



		if ($this->_current) {

			$this->addChild($node, true);

		} else {

			// sanity check

			JError::raiseError( 500, 'Orphan Error. Could not find parent for Item '.$item->id );

		}

	}



	function toXML()

	{

		// Initialize variables

		$this->_current =& $this->_root;



		// Recurse through children if they exist

		while ($this->_current->hasChildren())

		{

			$this->_buffer .= '<ul>';

			foreach ($this->_current->getChildren() as $child)

			{

				$this->_current = & $child;

				$this->_getLevelXML(0);

			}

			$this->_buffer .= '</ul>';

		}

		if($this->_buffer == '') { $this->_buffer = '<ul />'; }

		return $this->_buffer;

	}



	function _getLevelXML($depth)

	{

		$depth++;



		// Start the item

		$rel = (!empty($this->_current->mid)) ? ' rel="'.$this->_current->mid.'"' : '';

		$this->_buffer .= '<li access="'.$this->_current->access.'" level="'.$depth.'" id="'.$this->_current->id.'"'.$rel.'>';



		// Append item data

		$this->_buffer .= $this->_current->link;



		// Recurse through item's children if they exist

		while ($this->_current->hasChildren())

		{

			$this->_buffer .= '<ul>';

			foreach ($this->_current->getChildren() as $child)

			{

				$this->_current = & $child;

				$this->_getLevelXML($depth);

			}

			$this->_buffer .= '</ul>';

		}



		// Finish the item

		$this->_buffer .= '</li>';

	}



	function _getItemData(&$params, $item)

	{

		$data = null;



		// Menu Link is a special type that is a link to another item

		if ($item->type == 'menulink')

		{

			$menu = &JSite::getMenu();

			if ($newItem = $menu->getItem($item->query['Itemid'])) {

				$tmp = clone($newItem);

				$tmp->name	 = '<span><![CDATA['.$item->name.']]></span>';

				$tmp->mid	 = $item->id;

				$tmp->parent = $item->parent;

			} else {

				return false;

			}

		} else {

			$tmp = clone($item);

			$tmp->name = '<span><![CDATA['.$item->name.']]></span>';

		}



		$iParams = new JParameter($tmp->params);

		if ($params->get('menu_images') && $iParams->get('menu_image') && $iParams->get('menu_image') != -1) {

			switch ($params->get('menu_images_align', 0)){

				case 0 :

					$imgalign='align="left"';

					break;



				case 1 :

					$imgalign='align="right"';

					break;



				default :

					$imgalign='';

					break;

			}



				

			$image = '<img src="'.JURI::base(true).'/images/stories/'.$iParams->get('menu_image').'" '.$imgalign.' alt="'.$item->alias.'" />';

			if($tmp->ionly){

				$tmp->name = null;

			}

		} else {

			$image = null;

		}

		switch ($tmp->type)

		{

			case 'separator' :

				return '<span class="separator">'.$image.$tmp->name.'</span>';

				break;



			case 'url' :

				if ((strpos($tmp->link, 'index.php?') === 0) && (strpos($tmp->link, 'Itemid=') === false)) {

					$tmp->url = $tmp->link.'&amp;Itemid='.$tmp->id;

				} else {

					$tmp->url = $tmp->link;

				}

				break;



			default :

				$router = JSite::getRouter();

				$tmp->url = $router->getMode() == JROUTER_MODE_SEF ? 'index.php?Itemid='.$tmp->id : $tmp->link.'&Itemid='.$tmp->id;

				break;

		}



		// Print a link if it exists

		if ($tmp->url != null)

		{

			// Handle SSL links

			$iSecure = $iParams->def('secure', 0);

			if ($tmp->home == 1) {

				$tmp->url = JURI::base();

			} elseif (strcasecmp(substr($tmp->url, 0, 4), 'http') && (strpos($tmp->link, 'index.php?') !== false)) {

				$tmp->url = JRoute::_($tmp->url, true, $iSecure);

			} else {

				$tmp->url = str_replace('&', '&amp;', $tmp->url);

			}



			switch ($tmp->browserNav)

			{

				default:

				case 0:

					// _top

					$data = '<a href="'.$tmp->url.'">'.$image.$tmp->name.'</a>';

					break;

				case 1:

					// _blank

					$data = '<a href="'.$tmp->url.'" target="_blank">'.$image.$tmp->name.'</a>';

					break;

				case 2:

					// window.open

					$attribs = 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,'.$this->_params->get('window_open');



					// hrm...this is a bit dickey

					$link = str_replace('index.php', 'index2.php', $tmp->url);

					$data = '<a href="'.$link.'" onclick="window.open(this.href,\'targetWindow\',\''.$attribs.'\');return false;">'.$image.$tmp->name.'</a>';

					break;

			}

		} else {

			$data = '<a>'.$image.$tmp->name.'</a>';

		}



		return $data;

	}

}



/**

 * Main Menu Tree Node Class.

 *

 * @package		Joomla

 * @subpackage	Menus

 * @since		1.5

 */

class JMenuNode extends JNode

{

	/**

	 * Node Title

	 */

	var $title = null;



	/**

	 * Node Link

	 */

	var $link = null;



	/**

	 * CSS Class for node

	 */

	var $class = null;



	function __construct($id, $title, $access = null, $link = null, $class = null)

	{

		$this->id		= $id;

		$this->title	= $title;

		$this->access	= $access;

		$this->link		= $link;

		$this->class	= $class;

	}

}