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Edit File: Topbar.php

<?php
/**
 * Copyright 2010-2017 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (LGPL). If you
 * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 *
 * @category  Horde
 * @copyright 2010-2017 Horde LLC
 * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package   Core
 */

/**
 * Generates the Horde topbar.
 *
 * @author    Michael Slusarz <slusarz@horde.org>
 * @author    Jan Schneider <jan@horde.org>
 * @category  Horde
 * @copyright 2010-2017 Horde LLC
 * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package   Core
 */
class Horde_Core_Topbar
{
    /**
     * Has the tree been generated?
     *
     * @var Horde_Tree_Base
     */
    protected $_generated = false;

/**
     * A tree object for the main menu.
     *
     * @var Horde_Tree_Renderer_Base
     */
    protected $_tree;

/**
     * Constructor.
     */
    public function __construct($treeRenderer, $rendererParams)
    {
        /* Set up the tree. */
        $this->_tree = $GLOBALS['injector']
            ->getInstance('Horde_Core_Factory_Tree')
            ->create('horde_menu', $treeRenderer, $rendererParams);
    }

/**
     * Generates the topbar tree object.
     *
     * @return Horde_Tree_Renderer_Base  The topbar tree object.
     */
    public function getTree()
    {
        if ($this->_generated) {
            return $this->_tree;
        }

global $injector, $prefs, $registry;

$current = $registry->getApp();
        $isAdmin = $registry->isAdmin();
        $menu = array();

foreach ($registry->listApps(array('active', 'admin', 'noadmin', 'heading', 'link', 'notoolbar', 'topbar'), true, null) as $app => $params) {
            /* Check if the current user has permisson to see this application,
             * and if the application is active. Headings are visible to
             * everyone (but get filtered out later if they have no
             * children). Administrators always see all applications except
             * those marked 'inactive'. */
            if (($app != 'horde') &&
                 (in_array($params['status'], array('heading', 'link')) ||
                  (in_array($params['status'], array('active', 'admin', 'noadmin', 'topbar')) &&
                  !($isAdmin && ($params['status'] == 'noadmin')) &&
                  !(!$isAdmin && ($params['status'] == 'admin')) &&
                  $registry->hasPermission((!empty($params['app']) ? $params['app'] : $app), Horde_Perms::SHOW)))) {
                $menu[$app] = $params;
            }
        }

do {
            $children = array();
            foreach ($menu as $params) {
                if (isset($params['menu_parent'])) {
                    $children[$params['menu_parent']] = true;
                }
            }

$found = false;
            foreach (array_keys($menu) as $key) {
                if (($menu[$key]['status'] == 'heading') &&
                    empty($children[$key])) {
                    unset($menu[$key]);
                    $found = true;
                }
            }
        } while ($found);

/* Add the administration menu if the user is an admin or has any
         * admin permissions. */
        $perms = $injector->getInstance('Horde_Perms');
        $admin_item_count = 0;
        try {
            foreach ($registry->callByPackage('horde', 'admin_list') as $method => $val) {
                if ($isAdmin ||
                    $perms->hasPermission('horde:administration:' . $method, $registry->getAuth(), Horde_Perms::SHOW)) {
                    ++$admin_item_count;
                    $menu['administration_' . $method] = array(
                        'icon' => $val['icon'],
                        'menu_parent' => 'administration',
                        'name' => Horde::stripAccessKey($val['name']),
                        'status' => 'active',
                        'url' => Horde::url($registry->applicationWebPath($val['link'], 'horde')),
                    );
                }
            }
        } catch (Horde_Exception $e) {}

if ($admin_item_count) {
            $menu['administration'] = array(
                'name' => Horde_Core_Translation::t("Administration"),
                'status' => 'heading',
                'menu_parent' => 'settings',
            );
        }

$menu['settings'] = array(
            'class' => 'horde-settings horde-icon-settings',
            'name' => '',
            'noarrow' => true,
            'status' => 'active'
        );

/* Add preferences. */
        if ($registry->showService('prefs') &&
            !($prefs instanceof Horde_Prefs_Session)) {
            $menu['prefs'] = array(
                'icon' => Horde_Themes::img('prefs.png'),
                'menu_parent' => 'settings',
                'name' => Horde_Core_Translation::t("Preferences"),
                'status' => 'active',
                'url' => $registry->getServiceLink('prefs', $current)
            );

/* Get a list of configurable applications. */
            $prefs_apps = $registry->listApps(
                array('active', $isAdmin ? 'admin' : 'noadmin'),
                true,
                Horde_Perms::READ
            );

if (!empty($prefs_apps['horde'])) {
                $menu['prefs_' . 'horde'] = array(
                    'icon' => $registry->get('icon', 'horde'),
                    'menu_parent' => 'prefs',
                    'name' => Horde_Core_Translation::t("Global Preferences"),
                    'status' => 'active',
                    'url' => $registry->getServiceLink('prefs', 'horde')
                );
                unset($prefs_apps['horde']);
            }

uasort($prefs_apps, array($this, '_sortByName'));
            foreach ($prefs_apps as $app => $params) {
                $menu['prefs_' . $app] = array(
                    'icon' => $registry->get('icon', $app),
                    'menu_parent' => 'prefs',
                    'name' => $params['name'],
                    'status' => 'active',
                    'url' => $registry->getServiceLink('prefs', $app)
                );
            }
        }

/* Add notification log. */
        $menu['growlerlog'] = array(
            'icon' => 'info.png',
            'menu_parent' => 'settings',
            'name' => Horde_Core_Translation::t("Toggle Alerts Log"),
            'status' => 'active',
            'url' => 'javascript:void(HordeCore.Growler.toggleLog());'
        );

/* Add problem link. */
        if ($registry->showService('problem') &&
            ($problem_link = $registry->getServiceLink('problem', $current))) {
            $menu['problem_' . $current] = array(
                'icon' => 'problem.png',
                'menu_parent' => 'settings',
                'name' => Horde_Core_Translation::t("Problem"),
                'status' => 'active',
                'url' => $problem_link
            );
        }

/* Add help link. */
        if ($registry->showService('help') &&
            ($help_link = $registry->getServiceLink('help', $current))) {
            $menu['help_' . $current] = array(
                'icon' => 'help_index.png',
                'menu_parent' => 'settings',
                'name' => Horde_Core_Translation::t("Help"),
                'onclick' => Horde::popupJs($help_link, array('urlencode' => true)) . 'return false;',
                'status' => 'active',
                'target' => 'help',
                'url' => $help_link
            );
        }

foreach ($menu as $app => $params) {
            switch ($params['status']) {
            case 'topbar':
                try {
                    $registry->callAppMethod(
                        $params['app'],
                        'topbarCreate', array(
                            'args' => array(
                                $this->_tree,
                                empty($params['menu_parent']) ? null : $params['menu_parent'],
                                isset($params['topbar_params']) ? $params['topbar_params'] : array()
                            )
                        )
                    );
                } catch (Horde_Exception_PushApp $e) {
                    // Ignore
                } catch (Horde_Exception $e) {
                    Horde::log($e, 'ERR');
                }
                break;

default:
                /* Need to run the name through Horde's gettext since the
                 * user's locale may not have been loaded when registry.php was
                 * parsed, and the translations of the application names are
                 * not in the Core package. */
                $name = strlen($params['name']) ? _($params['name']) : '';

/* Headings have no webroot; they're just containers for other
                 * menu items. */
                if (isset($params['url'])) {
                    $url = $params['url'];
                } elseif (($params['status'] == 'heading') ||
                          !isset($params['webroot'])) {
                    $url = '';
                } else {
                    $url = Horde::url($registry->getInitialPage($app), false, array('app' => $app));
                }

$this->_tree->addNode(array(
                    'id' => $app,
                    'parent' => empty($params['menu_parent']) ? null : $params['menu_parent'],
                    'label' => $name,
                    'expanded' => false,
                    'params' => array(
                        'icon' => strval((isset($params['icon'])
                                          ? $params['icon']
                                          : $registry->get('icon', $app))),
                        'class' => isset($params['class'])
                            ? $params['class']
                            : ($app == $current
                               ? 'horde-point-center-active'
                               : 'horde-point-center'),
                        'noarrow' => !empty($params['noarrow']),
                        'onclick' => isset($params['onclick'])
                            ? $params['onclick']
                            : null,
                        'target' => isset($params['target'])
                            ? $params['target']
                            : null,
                        'url' => $url,
                        'active' => ($app == $current),
                    )
                ));
            }
        }

$this->_generated = true;

return $this->_tree;
    }

/**
     * Get the hash ID for the tree object.
     *
     * @return string  Hash ID.
     */
    public function getHash()
    {
        return hash('md5', serialize($this->getTree()));
    }

/**
     * Helper method for uasort to sort applications by name.
     *
     * @param string $a
     * @param string $a
     *
     * @return integer
     */
    protected function _sortByName($a, $b)
    {
        return strcoll(_($a['name']), _($b['name']));
    }

}