forked from GNUsocial/gnu-social
501 lines
14 KiB
PHP
501 lines
14 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('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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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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/**
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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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$this->out->elementStart('ol', array('class' => 'notices threaded-notices xoxo'));
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$cnt = 0;
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$conversations = array();
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while ($this->notice->fetch() && $cnt <= NOTICES_PER_PAGE) {
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$cnt++;
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if ($cnt > NOTICES_PER_PAGE) {
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break;
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}
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// Collapse repeats into their originals...
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$notice = $this->notice;
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if ($notice->repeat_of) {
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$orig = Notice::staticGet('id', $notice->repeat_of);
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if ($orig) {
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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 = $notice->conversationRoot();
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if ($root) {
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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 $cnt;
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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)
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{
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return new ThreadedNoticeListItem($notice, $this->out);
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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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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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$notice = Notice::conversationStream($this->notice->conversation, 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 ($notice->fetch()) {
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if ($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($notice); // *grumble* inefficient as hell
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}
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$this->out->elementStart('ul', 'notices threaded-replies xoxo');
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$item = new ThreadedNoticeListFavesItem($this->notice, $this->out);
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$hasFaves = $item->show();
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$item = new ThreadedNoticeListRepeatsItem($this->notice, $this->out);
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$hasRepeats = $item->show();
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if ($notices) {
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if ($moreCutoff) {
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$item = new ThreadedNoticeListMoreItem($moreCutoff, $this->out);
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$item->show();
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}
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foreach (array_reverse($notices) as $notice) {
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$item = new ThreadedNoticeListSubItem($notice, $this->out);
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$item->show();
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}
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}
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if ($notices || $hasFaves || $hasRepeats) {
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// @fixme do a proper can-post check that's consistent
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// with the JS side
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if (common_current_user()) {
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$item = new ThreadedNoticeListReplyItem($this->notice, $this->out);
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$item->show();
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}
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}
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$this->out->elementEnd('ul');
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}
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parent::showEnd();
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}
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}
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// @todo FIXME: needs documentation.
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class ThreadedNoticeListSubItem extends NoticeListItem
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{
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function avatarSize()
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{
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return AVATAR_STREAM_SIZE; // @fixme would like something in between
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}
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function showNoticeLocation()
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{
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//
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}
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function showNoticeSource()
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{
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//
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}
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function showContext()
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{
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//
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}
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function showEnd()
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{
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$item = new ThreadedNoticeListInlineFavesItem($this->notice, $this->out);
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$hasFaves = $item->show();
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parent::showEnd();
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}
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}
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/**
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* Placeholder for loading more replies...
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*/
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class ThreadedNoticeListMoreItem extends NoticeListItem
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{
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/**
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* recipe function for displaying a single notice.
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*
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* This uses all the other methods to correctly display a notice. Override
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* it or one of the others to fine-tune the output.
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*
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* @return void
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*/
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function show()
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{
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$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('conversationreplies', array('id' => $id));
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$notice = new Notice();
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$notice->conversation = $id;
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$n = $notice->count() - 1;
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// TRANS: Link to show replies for a notice.
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// TRANS: %d is the number of replies to a notice and used for plural.
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$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 faves...
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*/
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abstract class NoticeListActorsItem extends NoticeListItem
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{
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/**
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* @return array of profile IDs
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*/
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abstract function getProfiles();
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abstract function getListMessage($count, $you);
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function show()
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{
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$links = array();
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$you = false;
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$cur = common_current_user();
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foreach ($this->getProfiles() as $id) {
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if ($cur && $cur->id == $id) {
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$you = true;
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// TRANS: Reference to the logged in user in favourite list.
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array_unshift($links, _m('FAVELIST', 'You'));
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} else {
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$profile = Profile::staticGet('id', $id);
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if ($profile) {
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$links[] = sprintf('<a href="%s" title="%s">%s</a>',
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htmlspecialchars($profile->profileurl),
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htmlspecialchars($profile->getBestName()),
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htmlspecialchars($profile->nickname));
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}
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}
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}
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if ($links) {
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$count = count($links);
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$msg = $this->getListMessage($count, $you);
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$out = sprintf($msg, $this->magicList($links));
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$this->showStart();
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$this->out->raw($out);
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$this->showEnd();
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return $count;
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} else {
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return 0;
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}
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}
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function magicList($items)
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{
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if (count($items) == 0) {
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return '';
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} else if (count($items) == 1) {
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return $items[0];
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} else {
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$first = array_slice($items, 0, -1);
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$last = array_slice($items, -1, 1);
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// TRANS: Separator in list of user names like "You, Bob, Mary".
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$separator = _(', ');
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// TRANS: For building a list such as "You, bob, mary and 5 others have favored this notice".
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// TRANS: %1$s is a list of users, separated by a separator (default: ", "), %2$s is the last user in the list.
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return sprintf(_m('FAVELIST', '%1$s and %2$s'), implode($separator, $first), implode($separator, $last));
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}
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}
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}
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/**
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* Placeholder for showing faves...
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*/
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class ThreadedNoticeListFavesItem extends NoticeListActorsItem
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{
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function getProfiles()
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{
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$fave = Fave::byNotice($this->notice->id);
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$profiles = array();
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while ($fave->fetch()) {
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$profiles[] = $fave->user_id;
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}
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return $profiles;
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}
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function getListMessage($count, $you)
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{
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if ($count == 1 && $you) {
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// darn first person being different from third person!
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// TRANS: List message for notice favoured by logged in user.
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return _m('FAVELIST', 'You have favored this notice.');
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} else {
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// TRANS: List message for favoured notices.
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// TRANS: %d is the number of users that have favoured a notice.
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return sprintf(_m('One person has favored this notice.',
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'%d people have favored this notice.',
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$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-faves'));
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}
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function showEnd()
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{
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$this->out->elementEnd('li');
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}
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}
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// @todo FIXME: needs documentation.
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class ThreadedNoticeListInlineFavesItem extends ThreadedNoticeListFavesItem
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{
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function showStart()
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{
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$this->out->elementStart('div', array('class' => 'entry-content notice-faves'));
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}
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function showEnd()
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{
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$this->out->elementEnd('div');
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}
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}
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/**
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* Placeholder for showing faves...
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*/
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class ThreadedNoticeListRepeatsItem extends NoticeListActorsItem
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{
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function getProfiles()
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{
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$rep = $this->notice->repeatStream();
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$profiles = array();
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while ($rep->fetch()) {
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$profiles[] = $rep->profile_id;
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}
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return $profiles;
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}
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function getListMessage($count, $you)
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{
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if ($count == 1 && $you) {
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// darn first person being different from third person!
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// TRANS: List message for notice repeated by logged in user.
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return _m('REPEATLIST', 'You have repeated this notice.');
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} else {
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// TRANS: List message for repeated notices.
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// TRANS: %d is the number of users that have repeated a notice.
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return sprintf(_m('One person has repeated this notice.',
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'%d people have repeated this notice.',
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$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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