forked from GNUsocial/gnu-social
124 lines
3.9 KiB
PHP
124 lines
3.9 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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* A menu with a More... button to show more elements
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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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* A menu with a More... element to show more items
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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 MoreMenu extends Menu
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{
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const SOFT_MAX = 5;
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const HARD_MAX = 15;
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/**
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* Show a menu with a limited number of elements
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*
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* @param
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*
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* @return
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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 = $this->tag();
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$menuID = null;
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$attrs = array('class' => 'nav');
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if (!is_null($tag)) {
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$menuID = 'nav_' . $tag;
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$attrs['id'] = $menuID;
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}
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if (Event::handle('StartNav', array($this, &$tag, &$items))) {
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$this->out->elementStart('ul', $attrs);
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$total = count($items);
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if ($total <= self::SOFT_MAX + 1) {
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$toShow = $items;
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} else {
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$toShow = array_slice($items, 0, self::SOFT_MAX);
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}
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foreach ($toShow as $item) {
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list($actionName, $args, $label, $description, $id) = $item;
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$this->item($actionName, $args, $label, $description, $id);
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}
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if ($total > self::SOFT_MAX + 1) {
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$this->out->elementStart('li', array('class' => 'more_link'));
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$this->out->element('a', array('href' => '#',
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'onclick' => 'SN.U.showMoreMenuItems("'.$menuID.'"); return false;'),
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// TRANS: Link description to show more items in a list.
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_('More ▼'));
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$this->out->elementEnd('li');
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$extended = array_slice($items, self::SOFT_MAX, self::HARD_MAX - self::SOFT_MAX);
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foreach ($extended as $item) {
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list($actionName, $args, $label, $description, $id) = $item;
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$this->item($actionName, $args, $label, $description, $id, 'extended_menu');
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}
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if ($total > self::HARD_MAX) {
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$seeAll = $this->seeAllItem();
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if (!empty($seeAll)) {
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list($actionName, $args, $label, $description, $id) = $seeAll;
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$this->item($actionName, $args, $label, $description, $id, 'extended_menu see_all');
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}
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}
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}
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$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 seeAllItem()
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{
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return null;
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}
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}
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