forked from GNUsocial/gnu-social
162 lines
4.1 KiB
PHP
162 lines
4.1 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* Menu widget
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Widget
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Superclass for menus
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*
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* @category General
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class Menu extends Widget
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{
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var $action = null;
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var $actionName = null;
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var $actionArgs = null;
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/**
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* Construction
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*
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* @param Action $action current action, used for output
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*/
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function __construct(Action $action=null)
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{
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parent::__construct($action);
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$this->action = $action;
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$this->actionName = $action->trimmed('action');
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$rtargs = $action->returnToArgs();
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$this->actionArgs = $rtargs[1];
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}
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function getItems()
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{
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return array();
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}
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function tag()
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{
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return null;
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}
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function show()
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{
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$items = $this->getItems();
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$tag = $this->tag();
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$attrs = array('class' => 'nav');
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if (!is_null($tag)) {
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$attrs['id'] = 'nav_' . $tag;
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}
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if (Event::handle('StartNav', array($this, &$tag, &$items))) {
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$this->out->elementStart('ul', $attrs);
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foreach ($items as $item) {
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list($actionName, $args, $label, $description, $id) = $item;
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$this->item($actionName, $args, $label, $description, $id);
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}
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$this->out->elementEnd('ul');
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Event::handle('EndNav', array($this, $tag, $items));
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}
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}
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function item($actionName, array $args, $label, $description, $id=null, $cls=null)
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{
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if (empty($id)) {
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$id = $this->menuItemID($actionName, $args);
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}
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$url = common_local_url($actionName, $args);
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$this->out->menuItem($url,
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$label,
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$description,
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$this->isCurrent($actionName, $args),
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$id,
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$cls);
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}
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function isCurrent($actionName, array $args)
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{
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if ($actionName != $this->actionName) {
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return false;
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}
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foreach ($this->actionArgs as $k => $v) {
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if (!array_key_exists($k, $args) || $args[$k] != $v) {
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return false;
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}
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}
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return true;
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}
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function menuItemID($actionName, $args = null)
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{
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$id = sprintf('nav_%s', $actionName);
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if (!is_null($args)) {
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foreach ($args as $key => $value) {
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$id .= '_' . $key . '_' . $value;
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}
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}
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return $id;
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}
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function submenu($label, $menu)
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{
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if (empty($menu->getItems())){
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return false;
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}
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$this->action->elementStart('li');
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$this->action->element('h3', null, $label);
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$menu->show();
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$this->action->elementEnd('li');
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}
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}
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