301 lines
8.6 KiB
PHP
301 lines
8.6 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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* widget for displaying a list of notice attachments
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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 Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @copyright 2008 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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/**
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* widget for displaying a list of notice attachments
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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 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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* @see Notice
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* @see StreamAction
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* @see NoticeListItem
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* @see ProfileNoticeList
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*/
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class AttachmentList extends Widget
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{
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/** the current stream of notices being displayed. */
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var $notice = null;
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/**
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* constructor
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*
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* @param Notice $notice stream of notices from DB_DataObject
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*/
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function __construct($notice, $out=null)
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{
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parent::__construct($out);
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$this->notice = $notice;
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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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// $this->out->elementStart('div', array('id' =>'attachments_primary'));
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$this->out->elementStart('div', array('id' =>'content'));
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$this->out->element('h2', null, _('Attachments'));
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$this->out->elementStart('ul', array('class' => 'attachments'));
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$atts = new File;
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$att = $atts->getAttachments($this->notice->id);
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foreach ($att as $n=>$attachment) {
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$item = $this->newListItem($attachment);
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$item->show();
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}
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$this->out->elementEnd('ul');
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$this->out->elementEnd('div');
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return count($att);
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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 $notice the current notice
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*
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* @return NoticeListItem a list item for displaying the notice
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*/
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function newListItem($attachment)
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{
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return new AttachmentListItem($attachment, $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 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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* @see NoticeList
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* @see ProfileNoticeListItem
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*/
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class AttachmentListItem extends Widget
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{
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/** The attachment this item will show. */
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var $attachment = null;
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var $oembed = null;
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/**
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* constructor
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*
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* Also initializes the profile attribute.
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*
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* @param Notice $notice The notice we'll display
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*/
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function __construct($attachment, $out=null)
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{
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parent::__construct($out);
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$this->attachment = $attachment;
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$this->oembed = File_oembed::staticGet('file_id', $this->attachment->id);
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}
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function title() {
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if (empty($this->attachment->title)) {
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if (empty($this->oembed->title)) {
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$title = $this->attachment->url;
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} else {
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$title = $this->oembed->title;
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}
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} else {
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$title = $this->attachment->title;
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}
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return $title;
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}
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function linkTitle() {
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return 'Our page for ' . $this->title();
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}
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/**
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* recipe function for displaying a single notice.
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*
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* This uses all the other methods to correctly display a notice. Override
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* it or one of the others to fine-tune the output.
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*
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* @return void
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*/
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function show()
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{
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$this->showStart();
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$this->showNoticeAttachment();
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$this->showEnd();
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}
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function linkAttr() {
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return array('class' => 'attachment', 'href' => common_local_url('attachment', array('attachment' => $this->attachment->id)));
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}
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function showLink() {
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$attr = $this->linkAttr();
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$text = $this->linkTitle();
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$this->out->elementStart('h4');
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$this->out->element('a', $attr, $text);
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if ($this->attachment->url !== $this->title())
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$this->out->element('span', null, " ({$this->attachment->url})");
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$this->out->elementEnd('h4');
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}
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function showNoticeAttachment()
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{
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$this->showLink();
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$this->showRepresentation();
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}
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function showRepresentation() {
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$thumbnail = File_thumbnail::staticGet('file_id', $this->attachment->id);
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if (!empty($thumbnail)) {
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$this->out->elementStart('a', $this->linkAttr()/*'href' => $this->linkTo()*/);
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$this->out->element('img', array('alt' => 'nothing to say', 'src' => $thumbnail->url, 'width' => $thumbnail->width, 'height' => $thumbnail->height));
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$this->out->elementEnd('a');
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}
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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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// XXX: RDFa
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// TODO: add notice_type class e.g., notice_video, notice_image
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$this->out->elementStart('li');
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}
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/**
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* finish the notice
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*
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* Close the last elements in the notice list item
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*
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* @return void
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*/
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function showEnd()
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{
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$this->out->elementEnd('li');
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}
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}
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class Attachment extends AttachmentListItem
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{
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function show() {
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$this->showNoticeAttachment();
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}
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function linkAttr() {
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return array('class' => 'external', 'href' => $this->attachment->url);
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}
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function linkTitle() {
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return 'Direct link to ' . $this->title();
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}
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function showRepresentation() {
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if (empty($this->oembed->type)) {
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if (empty($this->attachment->mimetype)) {
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$this->out->element('pre', null, 'oh well... not sure how to handle the following: ' . print_r($this->attachment, true));
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} else {
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switch ($this->attachment->mimetype) {
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case 'image/gif':
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case 'image/png':
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case 'image/jpg':
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case 'image/jpeg':
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$this->out->element('img', array('src' => $this->attachment->url, 'alt' => 'alt'));
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break;
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}
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}
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} else {
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switch ($this->oembed->type) {
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case 'rich':
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case 'video':
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case 'link':
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if (!empty($this->oembed->html)) {
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$this->out->raw($this->oembed->html);
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}
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break;
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case 'photo':
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$this->out->element('img', array('src' => $this->oembed->url, 'width' => $this->oembed->width, 'height' => $this->oembed->height, 'alt' => 'alt'));
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break;
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default:
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$this->out->element('pre', null, 'oh well... not sure how to handle the following oembed: ' . print_r($this->oembed, true));
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}
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}
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}
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}
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