6e2f045837
These extra `<link>` elements only appear on pages where pagination makes sense. They trigger functionality in some user agents, such as Opera's Navigation Bar for more easily navigating forward and backwards across a paged set of notices, messages, or group lists, etc.
224 lines
6.1 KiB
PHP
224 lines
6.1 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* List of replies
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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 Personal
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @copyright 2008-2009 Control Yourself, 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://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/personalgroupnav.php';
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require_once INSTALLDIR.'/lib/noticelist.php';
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require_once INSTALLDIR.'/lib/feedlist.php';
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/**
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* List of replies
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*
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* @category Personal
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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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://laconi.ca/
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*/
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class RepliesAction extends Action
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{
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var $user = null;
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var $page = null;
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/**
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* Prepare the object
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*
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* Check the input values and initialize the object.
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* Shows an error page on bad input.
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*
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* @param array $args $_REQUEST data
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*
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* @return boolean success flag
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$nickname = common_canonical_nickname($this->arg('nickname'));
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$this->user = User::staticGet('nickname', $nickname);
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if (!$this->user) {
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$this->clientError(_('No such user.'));
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return false;
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}
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$profile = $this->user->getProfile();
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if (!$profile) {
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$this->serverError(_('User has no profile.'));
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return false;
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}
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$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
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common_set_returnto($this->selfUrl());
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return true;
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}
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/**
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* Handle a request
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*
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* Just show the page. All args already handled.
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*
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* @param array $args $_REQUEST data
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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$this->showPage();
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}
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/**
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* Title of the page
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*
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* Includes name of user and page number.
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*
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* @return string title of page
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*/
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function title()
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{
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if ($this->page == 1) {
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return sprintf(_("Replies to %s"), $this->user->nickname);
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} else {
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return sprintf(_("Replies to %s, page %d"),
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$this->user->nickname,
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$this->page);
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}
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}
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/**
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* Feeds for the <head> section
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*
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* @return void
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*/
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function showFeeds()
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{
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$rssurl = common_local_url('repliesrss',
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array('nickname' => $this->user->nickname));
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$rsstitle = sprintf(_('Feed for replies to %s'), $this->user->nickname);
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$this->element('link', array('rel' => 'alternate',
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'href' => $rssurl,
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'type' => 'application/rss+xml',
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'title' => $rsstitle));
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}
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/**
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* Output document relationship links
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*
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* @return void
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*/
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function showRelationshipLinks()
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{
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// Machine-readable pagination
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if ($this->page > 1) {
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$this->element('link', array('rel' => 'next',
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'href' => common_local_url('replies',
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array('nickname' => $this->user->nickname,
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'page' => $this->page - 1)),
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'title' => _('Next Notices')));
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}
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$this->element('link', array('rel' => 'prev',
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'href' => common_local_url('replies',
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array('nickname' => $this->user->nickname,
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'page' => $this->page + 1)),
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'title' => _('Previous Notices')));
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}
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/**
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* show the personal group nav
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*
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* @return void
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*/
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function showLocalNav()
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{
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$nav = new PersonalGroupNav($this);
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$nav->show();
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}
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/**
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* Show the replies feed links
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*
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* @return void
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*/
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function showExportData()
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{
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$fl = new FeedList($this);
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$rssurl = common_local_url('repliesrss',
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array('nickname' => $this->user->nickname));
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$fl->show(array(0=>array('href'=> $rssurl,
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'type' => 'rss',
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'version' => 'RSS 1.0',
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'item' => 'repliesrss')));
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}
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/**
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* Show the content
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*
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* A list of notices that are replies to the user, plus pagination.
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*
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* @return void
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*/
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function showContent()
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{
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$notice = $this->user->getReplies(($this->page-1) * NOTICES_PER_PAGE,
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NOTICES_PER_PAGE + 1);
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$nl = new NoticeList($notice, $this);
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$cnt = $nl->show();
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$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
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$this->page, 'replies',
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array('nickname' => $this->user->nickname));
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}
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function isReadOnly()
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{
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return true;
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}
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}
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