504 lines
15 KiB
PHP
504 lines
15 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* widget for displaying a list of notices
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*
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* PHP version 5
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*
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* LICENCE: 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 UI
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* @package StatusNet
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* @author Brion Vibber <brion@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 GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL') && !defined('STATUSNET')) { exit(1); }
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/**
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* widget for displaying a list of notices
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*
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* There are a number of actions that display a list of notices, in
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* reverse chronological order. This widget abstracts out most of the
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* code for UI for notice lists. It's overridden to hide some
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* data for e.g. the profile page.
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*
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* @category UI
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @see Notice
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* @see NoticeListItem
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* @see ProfileNoticeList
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*/
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class ThreadedNoticeList extends NoticeList
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{
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protected $userProfile;
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function __construct(Notice $notice, Action $out=null, $profile=-1)
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{
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parent::__construct($notice, $out);
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if (is_int($profile) && $profile == -1) {
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$profile = Profile::current();
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}
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$this->userProfile = $profile;
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}
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/**
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* show the list of notices
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*
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* "Uses up" the stream by looping through it. So, probably can't
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* be called twice on the same list.
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*
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* @return int count of notices listed.
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*/
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function show()
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{
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$this->out->elementStart('div', array('id' =>'notices_primary'));
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// TRANS: Header for Notices section.
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$this->out->element('h2', null, _m('HEADER','Notices'));
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$this->out->elementStart('ol', array('class' => 'notices threaded-notices xoxo'));
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$notices = $this->notice->fetchAll();
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$total = count($notices);
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$notices = array_slice($notices, 0, NOTICES_PER_PAGE);
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$allnotices = self::_allNotices($notices);
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self::prefill($allnotices);
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$conversations = array();
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foreach ($notices as $notice) {
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// Collapse repeats into their originals...
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if ($notice->repeat_of) {
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$orig = Notice::getKV('id', $notice->repeat_of);
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if ($orig instanceof Notice) {
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$notice = $orig;
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}
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}
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$convo = $notice->conversation;
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if (!empty($conversations[$convo])) {
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// Seen this convo already -- skip!
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continue;
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}
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$conversations[$convo] = true;
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// Get the convo's root notice
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$root = $notice->conversationRoot($this->userProfile);
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if ($root instanceof Notice) {
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$notice = $root;
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}
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try {
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$item = $this->newListItem($notice);
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$item->show();
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} catch (Exception $e) {
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// we log exceptions and continue
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common_log(LOG_ERR, $e->getMessage());
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continue;
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}
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}
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$this->out->elementEnd('ol');
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$this->out->elementEnd('div');
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return $total;
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}
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function _allNotices($notices)
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{
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$convId = array();
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foreach ($notices as $notice) {
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$convId[] = $notice->conversation;
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}
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$convId = array_unique($convId);
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$allMap = Notice::listGet('conversation', $convId);
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$allArray = array();
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foreach ($allMap as $convId => $convNotices) {
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$allArray = array_merge($allArray, $convNotices);
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}
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return $allArray;
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}
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/**
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* returns a new list item for the current notice
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*
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* Recipe (factory?) method; overridden by sub-classes to give
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* a different list item class.
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*
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* @param Notice $notice the current notice
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*
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* @return NoticeListItem a list item for displaying the notice
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*/
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function newListItem(Notice $notice)
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{
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return new ThreadedNoticeListItem($notice, $this->out, $this->userProfile);
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}
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}
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/**
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* widget for displaying a single notice
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*
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* This widget has the core smarts for showing a single notice: what to display,
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* where, and under which circumstances. Its key method is show(); this is a recipe
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* that calls all the other show*() methods to build up a single notice. The
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* ProfileNoticeListItem subclass, for example, overrides showAuthor() to skip
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* author info (since that's implicit by the data in the page).
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*
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* @category UI
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @see NoticeList
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* @see ProfileNoticeListItem
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*/
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class ThreadedNoticeListItem extends NoticeListItem
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{
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protected $userProfile = null;
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function __construct(Notice $notice, Action $out=null, $profile=null)
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{
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parent::__construct($notice, $out);
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$this->userProfile = $profile;
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}
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function initialItems()
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{
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return 3;
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}
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function showContext()
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{
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// Silence!
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}
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/**
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* finish the notice
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*
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* Close the last elements in the notice list item
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*
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* @return void
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*/
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function showEnd()
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{
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$max = $this->initialItems();
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if (!$this->repeat) {
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$stream = new ConversationNoticeStream($this->notice->conversation, $this->userProfile);
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$notice = $stream->getNotices(0, $max + 2);
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$notices = array();
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$cnt = 0;
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$moreCutoff = null;
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while ($notice->fetch()) {
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if (Event::handle('StartAddNoticeReply', array($this, $this->notice, $notice))) {
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// Don't list repeats as separate notices in a conversation
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if (!empty($notice->repeat_of)) {
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continue;
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}
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if ($notice->id == $this->notice->id) {
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// Skip!
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continue;
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}
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$cnt++;
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if ($cnt > $max) {
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// boo-yah
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$moreCutoff = clone($notice);
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break;
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}
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$notices[] = clone($notice); // *grumble* inefficient as hell
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Event::handle('EndAddNoticeReply', array($this, $this->notice, $notice));
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}
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}
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if (Event::handle('StartShowThreadedNoticeTail', array($this, $this->notice, &$notices))) {
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$threadActive = count($notices) > 0; // has this thread had any activity?
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$this->out->elementStart('ul', 'notices threaded-replies xoxo');
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if (Event::handle('StartShowThreadedNoticeTailItems', array($this, $this->notice, &$threadActive))) {
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// Show the repeats-button for this notice. If there are repeats,
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// the show() function will return true, definitely setting our
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// $threadActive flag, which will be used later to show a reply box.
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$item = new ThreadedNoticeListRepeatsItem($this->notice, $this->out);
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$threadActive = $item->show() || $threadActive;
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Event::handle('EndShowThreadedNoticeTailItems', array($this, $this->notice, &$threadActive));
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}
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if (count($notices)>0) {
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if ($moreCutoff) {
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$item = new ThreadedNoticeListMoreItem($moreCutoff, $this->out, count($notices));
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$item->show();
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}
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foreach (array_reverse($notices) as $notice) {
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if (Event::handle('StartShowThreadedNoticeSub', array($this, $this->notice, $notice))) {
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$item = new ThreadedNoticeListSubItem($notice, $this->notice, $this->out);
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$item->show();
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Event::handle('EndShowThreadedNoticeSub', array($this, $this->notice, $notice));
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}
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}
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}
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if ($threadActive && Profile::current() instanceof Profile) {
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// @fixme do a proper can-post check that's consistent
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// with the JS side
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$item = new ThreadedNoticeListReplyItem($this->notice, $this->out);
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$item->show();
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}
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$this->out->elementEnd('ul');
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Event::handle('EndShowThreadedNoticeTail', array($this, $this->notice, $notices));
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}
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}
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parent::showEnd();
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}
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}
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// @todo FIXME: needs documentation.
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class ThreadedNoticeListSubItem extends NoticeListItem
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{
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protected $root = null;
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function __construct(Notice $notice, $root, $out)
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{
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$this->root = $root;
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parent::__construct($notice, $out);
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}
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function avatarSize()
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{
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return AVATAR_STREAM_SIZE; // @fixme would like something in between
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}
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function showNoticeLocation()
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{
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//
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}
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function showNoticeSource()
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{
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//
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}
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function showContext()
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{
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//
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}
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function getReplyProfiles()
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{
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$all = parent::getReplyProfiles();
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$profiles = array();
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$rootAuthor = $this->root->getProfile();
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foreach ($all as $profile) {
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if ($profile->id != $rootAuthor->id) {
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$profiles[] = $profile;
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}
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}
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return $profiles;
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}
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function showEnd()
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{
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$threadActive = null; // unused here for now, but maybe in the future?
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if (Event::handle('StartShowThreadedNoticeTailItems', array($this, $this->notice, &$threadActive))) {
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$item = new ThreadedNoticeListInlineRepeatsItem($this->notice, $this->out);
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$hasRepeats = $item->show();
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Event::handle('EndShowThreadedNoticeTailItems', array($this, $this->notice, &$threadActive));
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}
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parent::showEnd();
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}
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}
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/**
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* Placeholder for loading more replies...
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*/
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class ThreadedNoticeListMoreItem extends NoticeListItem
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{
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protected $cnt;
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function __construct(Notice $notice, Action $out, $cnt)
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{
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parent::__construct($notice, $out);
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$this->cnt = $cnt;
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}
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/**
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* recipe function for displaying a single notice.
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*
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* This uses all the other methods to correctly display a notice. Override
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* it or one of the others to fine-tune the output.
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*
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* @return void
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*/
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function show()
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{
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$this->showStart();
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$this->showMiniForm();
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$this->showEnd();
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}
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/**
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* start a single notice.
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*
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* @return void
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*/
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function showStart()
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{
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$this->out->elementStart('li', array('class' => 'notice-reply-comments'));
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}
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function showMiniForm()
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{
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$id = $this->notice->conversation;
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$url = common_local_url('conversation', array('id' => $id));
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$n = Conversation::noticeCount($id) - 1;
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// TRANS: Link to show replies for a notice.
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// TRANS: %d is the number of replies to a notice and used for plural.
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$msg = sprintf(_m('Show reply', 'Show all %d replies', $n), $n);
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$this->out->element('a', array('href' => $url), $msg);
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}
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}
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/**
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* Placeholder for reply form...
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* Same as get added at runtime via SN.U.NoticeInlineReplyPlaceholder
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*/
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class ThreadedNoticeListReplyItem extends NoticeListItem
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{
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/**
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* recipe function for displaying a single notice.
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*
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* This uses all the other methods to correctly display a notice. Override
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* it or one of the others to fine-tune the output.
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*
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* @return void
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*/
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function show()
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{
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$this->showStart();
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$this->showMiniForm();
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$this->showEnd();
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}
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/**
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* start a single notice.
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*
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* @return void
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*/
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function showStart()
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{
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$this->out->elementStart('li', array('class' => 'notice-reply-placeholder'));
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}
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function showMiniForm()
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{
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$this->out->element('input', array('class' => 'placeholder',
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// TRANS: Field label for reply mini form.
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'value' => _('Write a reply...')));
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}
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}
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/**
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* Placeholder for showing repeats...
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*/
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class ThreadedNoticeListRepeatsItem extends NoticeListActorsItem
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{
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function getProfiles()
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{
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$repeats = $this->notice->getRepeats();
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$profiles = array();
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foreach ($repeats as $rep) {
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$profiles[] = $rep->profile_id;
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}
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return $profiles;
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}
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function magicList($items)
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{
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if (count($items) > 4) {
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return parent::magicList(array_slice($items, 0, 3));
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} else {
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return parent::magicList($items);
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}
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}
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function getListMessage($count, $you)
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{
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if ($count == 1 && $you) {
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// darn first person being different from third person!
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// TRANS: List message for notice repeated by logged in user.
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return _m('REPEATLIST', 'You repeated this.');
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} else if ($count > 4) {
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// TRANS: List message for when more than 4 people repeat something.
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// TRANS: %%s is a list of users liking a notice, %d is the number over 4 that like the notice.
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// TRANS: Plural is decided on the total number of users liking the notice (count of %%s + %d).
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return sprintf(_m('%%s and %d other repeated this.',
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'%%s and %d others repeated this.',
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$count - 3),
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$count - 3);
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} else {
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// TRANS: List message for repeated notices.
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// TRANS: %%s is a list of users who have repeated a notice.
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// TRANS: Plural is based on the number of of users that have repeated a notice.
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return sprintf(_m('%%s repeated this.',
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'%%s repeated this.',
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$count),
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$count);
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}
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}
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function showStart()
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{
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$this->out->elementStart('li', array('class' => 'notice-data notice-repeats'));
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}
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function showEnd()
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{
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$this->out->elementEnd('li');
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}
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}
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// @todo FIXME: needs documentation.
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class ThreadedNoticeListInlineRepeatsItem extends ThreadedNoticeListRepeatsItem
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{
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function showStart()
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{
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$this->out->elementStart('div', array('class' => 'notice-repeats'));
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}
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function showEnd()
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{
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$this->out->elementEnd('div');
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}
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}
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