290 lines
8.5 KiB
PHP
290 lines
8.5 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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$this->out->elementStart('div', array('id' =>'notices_primary'));
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$this->out->element('h2', null, _('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 ($cnt > NOTICES_PER_PAGE) {
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break;
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}
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$convo = $this->notice->conversation;
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if (!empty($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[$convo] = true;
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// Get the convo's root notice
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// @fixme stream goes in wrong direction, this needs sane caching
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//$notice = Notice::conversationStream($convo, 0, 1);
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//$notice->fetch();
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$notice = new Notice();
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$notice->conversation = $this->notice->conversation;
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$notice->orderBy('CREATED');
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$notice->limit(1);
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$notice->find(true);
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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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const INITIAL_ITEMS = 3;
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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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if (!$this->repeat) {
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$notice = Notice::conversationStream($this->notice->conversation, 0, self::INITIAL_ITEMS + 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 ($cnt > self::INITIAL_ITEMS) {
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// boo-yah
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$moreCutoff = clone($notice);
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break;
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}
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$notices[] = clone($notice); // *grumble* inefficient as hell
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}
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if ($notices) {
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$this->out->elementStart('ul', 'notices threaded-replies xoxo');
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if ($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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$this->out->elementEnd('ul');
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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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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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}
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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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if (Event::handle('StartOpenNoticeListItemElement', array($this))) {
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$id = (empty($this->repeat)) ? $this->notice->id : $this->repeat->id;
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$this->out->elementStart('li', array('class' => 'notice-reply-comments'));
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}
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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)) . '#notice-' . $this->notice->id;
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$notice = new Notice();
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$notice->conversation = $id;
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$n = $notice->count() - 1;
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$msg = sprintf(_m('Show %d reply', 'Show all %d replies', $n), $n);
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$this->out->element('a', array('href' => $url), $msg);
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// @fixme replace this with an ajax-friendly form pair?
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/*
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$this->out->elementStart('form',
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array('id' => $id,
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'class' => 'replyform',
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'method' => 'post',
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'action' => $url));
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$this->out->hidden('token', common_session_token());
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$this->out->hidden("$id-inreplyto", $replyToId, "inreplyto");
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$this->out->element('textarea', array('name' => 'status_textarea'));
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$this->out->elementStart('div', array('class' => 'controls'));
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$this->out->submit("$id-submit", _m('Send reply'));
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$this->out->elementEnd('div');
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$this->out->elementEnd('form');
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*/
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}
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} |