Source for file LPageMenu.php

<?php
 
 
/**
 * Menu class file.
 *
 * @license http://opensource.org/licenses/mozilla1.1.php Mozilla Public License
 * @copyright 2005, diemeisterei GmbH. All rights reserved.
 * @author $Author: schmunk $
 * @version $Revision: 246 $  $Date: 2006-06-01 17:11:24 +0200 (Do, 01 Jun 2006) $
 * @package Lithron.LVirtualNodes
 * @subpackage WebControls
 */
 
/**
 * Displays and manages the CSS menu (sitemap tree)
 *
 * @package System.Web.UI.WebControls
 */
 
class LPageMenu extends TTemplateControl
{
    #private $_nodes;
        private $_horizontal;
 
 
    /**
     * @param boolean: show menu horizontal / vertical
     */
    function setHorizontal($value)
    {
        $this->_horizontal = $value;
    }
    /**
     * @return Menu orientation settings,
     */
    function getHorizontal()
    {
        return $this->_horizontal;
    }
 
    /**
     * Maps nodes from LPageService
     */
    function onLoad($param)
    {
        $this->CssMenu->setHorizontal($this->getHorizontal());
        parent :: onLoad($param);
    }
 
    /**
     * Adds automatic menu init
     */
    function onPreRender($param)
    {
        if ($this->Service->areNodesAvailable() && $this->findControl("MenuPlaceholder") !== null)
            $this->initMenu($this->MenuPlaceholder);
        else
            Prado :: trace("Can not render menu (node tree status:".$this->Service->areNodesAvailable().")", 'Lithron.LPageMenu');
        parent :: onPreRender($param);
    }
 
    /**
     * Builds menu with data from sitemap tree and implements caching
     */
    function initMenu($parent)
    {
 
        if ($cache = $this->Application->Cache)
        {
            $menu = $cache->get("LPageMenu:".$this->getUniqueID());
        }
 
        if (is_object($menu))
        {
            Prado :: trace("Using cached menu", 'Lithron.LPageMenu');
        } else
        {
            $menu = new TControl;
            $_nodes = $this->Service->getNodes();
            $this->renderMenu($menu, $_nodes, "");
            if ($cache)
                $cache->set("LPageMenu:".$this->getUniqueID(), $menu, $this->Application->getGlobalState("LVirtualNodes:cachingTime", 0));
            Prado :: trace("Menu rendered", 'Lithron.LPageMenu');
        }
 
        $parent->Controls[] = $menu;
    }
 
    /**
     * Recursive function for walk through sitemap tree
     *
     * @todo
     */
    function renderMenu($parent, $nodeTree, $uri)
    {
        $child = $nodeTree->getFirstChildNode();
        while ($child)
        {
            $menuNode = Prado :: createComponent('LCssDropDownMenuNode');
            $parent->Controls[] = $menuNode;
 
            $name = $child->getAlias();
            $menuNode->setText($name); // TODO
 
            #$uri_part = str_replace(" ", "+", $name);
            #$new_uri = $uri.$uri_part."/";
            $new_uri = "";
            #$this->Request->constructUrl($new_uri));
 
            $menuNode->setLinkId(LPageService::NODE_PREFIX.$child->getId());
            $menuNode->setLinkUrl($this->Service->constructUrl(LPageService::NODE_PREFIX.$child->getId()));
 
            // render childs
            $this->renderMenu($menuNode, $child, $new_uri);
 
            // inlcude dynamic menus
            $dclass = $child->getDynmenuClass();
            $dmethod = $child->getDynmenuMethod();
            if ($dclass && $dmethod)
            {
                $sn = $this->Application->singleton($dclass);
                $sn-> $dmethod ($menuNode, $child, $new_uri);
            }
 
            $child = $child->getSiblingNode();
        }
    }
}
?>