gnu-social/lib/media/attachmentlist.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* widget for displaying a list of notice attachments
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category UI
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008 StatusNet, Inc.
* @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/
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* widget for displaying a list of notice attachments
*
* There are a number of actions that display a list of notices, in
* reverse chronological order. This widget abstracts out most of the
* code for UI for notice lists. It's overridden to hide some
* data for e.g. the profile page.
*
* @category UI
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
* @see Notice
* @see NoticeListItem
* @see ProfileNoticeList
*/
class AttachmentList extends Widget
{
/** the current stream of notices being displayed. */
var $notice = null;
/**
* constructor
*
* @param Notice $notice stream of notices from DB_DataObject
*/
function __construct(Notice $notice, $out=null)
{
parent::__construct($out);
$this->notice = $notice;
}
/**
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* show the list of attachments
*
* "Uses up" the stream by looping through it. So, probably can't
* be called twice on the same list.
*
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* @return int count of items listed.
*/
function show()
{
$attachments = $this->notice->attachments();
if (!count($attachments)) {
return 0;
}
if ($this->notice->getProfile()->isSilenced()) {
// TRANS: Message for inline attachments list in notices when the author has been silenced.
$this->element('div', ['class'=>'error'],
_('Attachments are hidden because this profile has been silenced.'));
return 0;
}
$this->showListStart();
foreach ($attachments as $att) {
$item = $this->newListItem($att);
$item->show();
}
$this->showListEnd();
return count($attachments);
}
function showListStart()
{
$this->out->elementStart('ol', array('class' => 'attachments'));
}
function showListEnd()
{
$this->out->elementEnd('ol');
}
/**
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* returns a new list item for the current attachment
*
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* @param File $attachment the current attachment
*
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* @return AttachmentListItem a list item for displaying the attachment
*/
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function newListItem(File $attachment)
{
return new AttachmentListItem($attachment, $this->out);
}
}