<?php /** * StatusNet, the distributed open-source microblogging tool * * widget for displaying a list of notices * * PHP version 5 * * LICENCE: This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * @category UI * @package StatusNet * @author Brion Vibber <brion@status.net> * @copyright 2011 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ */ if (!defined('GNUSOCIAL')) { exit(1); } /** * widget for displaying a list of notices * * There are a number of actions that display a list of notices, in * reverse chronological order. This widget abstracts out most of the * code for UI for notice lists. It's overridden to hide some * data for e.g. the profile page. * * @category UI * @package StatusNet * @author Evan Prodromou <evan@status.net> * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ * @see Notice * @see NoticeListItem * @see ProfileNoticeList */ class ThreadedNoticeList extends NoticeList { protected $userProfile; function __construct(Notice $notice, Action $out=null, $profile=-1) { parent::__construct($notice, $out); if (is_int($profile) && $profile == -1) { $profile = Profile::current(); } $this->userProfile = $profile; } /** * show the list of notices * * "Uses up" the stream by looping through it. So, probably can't * be called twice on the same list. * * @return int count of notices listed. */ function show() { $this->out->elementStart('div', array('id' =>'notices_primary')); // TRANS: Header for Notices section. $this->out->element('h2', null, _m('HEADER','Notices')); $this->out->elementStart('ol', array('class' => 'notices threaded-notices xoxo')); $notices = $this->notice->fetchAll(); $total = count($notices); $notices = array_slice($notices, 0, NOTICES_PER_PAGE); $allnotices = self::_allNotices($notices); self::prefill($allnotices); $conversations = array(); foreach ($notices as $notice) { // Collapse repeats into their originals... if ($notice->repeat_of) { $orig = Notice::getKV('id', $notice->repeat_of); if ($orig instanceof Notice) { $notice = $orig; } } $convo = $notice->conversation; if (!empty($conversations[$convo])) { // Seen this convo already -- skip! continue; } $conversations[$convo] = true; // Get the convo's root notice $root = $notice->conversationRoot($this->userProfile); if ($root instanceof Notice) { $notice = $root; } try { $item = $this->newListItem($notice); $item->show(); } catch (Exception $e) { // we log exceptions and continue common_log(LOG_ERR, $e->getMessage()); continue; } } $this->out->elementEnd('ol'); $this->out->elementEnd('div'); return $total; } function _allNotices($notices) { $convId = array(); foreach ($notices as $notice) { $convId[] = $notice->conversation; } $convId = array_unique($convId); $allMap = Notice::listGet('conversation', $convId); $allArray = array(); foreach ($allMap as $convId => $convNotices) { $allArray = array_merge($allArray, $convNotices); } return $allArray; } /** * returns a new list item for the current notice * * Recipe (factory?) method; overridden by sub-classes to give * a different list item class. * * @param Notice $notice the current notice * * @return NoticeListItem a list item for displaying the notice */ function newListItem(Notice $notice) { return new ThreadedNoticeListItem($notice, $this->out, $this->userProfile); } }