gnu-social/lib/notices/noticelistitem.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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/**
* An item in a notice list
*
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* @category Widget
* @package GNUsocial
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* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
defined('GNUSOCIAL') || die();
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/**
* widget for displaying a single notice
*
* This widget has the core smarts for showing a single notice: what to display,
* where, and under which circumstances. Its key method is show(); this is a recipe
* that calls all the other show*() methods to build up a single notice. The
* ProfileNoticeListItem subclass, for example, overrides showAuthor() to skip
* author info (since that's implicit by the data in the page).
*
* @category UI
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
* @see NoticeList
* @see ProfileNoticeListItem
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*/
class NoticeListItem extends Widget
{
/** The notice this item will show. */
public $notice = null;
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/** The notice that was repeated. */
public $repeat = null;
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/** The profile of the author of the notice, extracted once for convenience. */
public $profile = null;
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protected $addressees = true;
protected $attachments = true;
protected $id_prefix = null;
protected $options = true;
protected $maxchars = 0; // if <= 0 it means use full posts
protected $item_tag = 'li';
protected $pa = null;
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/**
* constructor
*
* Also initializes the profile attribute.
*
* @param Notice $notice The notice we'll display
* @param Action|null $out
* @param array $prefs
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*/
public function __construct(Notice $notice, Action $out = null, array $prefs = [])
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{
parent::__construct($out);
if (!empty($notice->repeat_of)) {
$original = Notice::getKV('id', $notice->repeat_of);
if (!$original instanceof Notice) { // could have been deleted
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$this->notice = $notice;
} else {
$this->notice = $original;
$this->repeat = $notice;
}
} else {
$this->notice = $notice;
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}
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$this->profile = $this->notice->getProfile();
// integer preferences
foreach (['maxchars'] as $key) {
if (array_key_exists($key, $prefs)) {
$this->$key = (int)$prefs[$key];
}
}
// boolean preferences
foreach (['addressees', 'attachments', 'options'] as $key) {
if (array_key_exists($key, $prefs)) {
$this->$key = (bool)$prefs[$key];
}
}
// string preferences
foreach (['id_prefix', 'item_tag'] as $key) {
if (array_key_exists($key, $prefs)) {
$this->$key = $prefs[$key];
}
}
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}
/**
* recipe function for displaying a single notice.
*
* This uses all the other methods to correctly display a notice. Override
* it or one of the others to fine-tune the output.
*
* @return void
*/
public function show()
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{
if (empty($this->notice)) {
common_log(LOG_WARNING, "Trying to show missing notice; skipping.");
return;
} elseif (empty($this->profile)) {
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common_log(LOG_WARNING, "Trying to show missing profile (" . $this->notice->profile_id . "); skipping.");
return;
}
$this->showStart();
if (Event::handle('StartShowNoticeItem', array($this))) {
$this->showNotice();
Event::handle('EndShowNoticeItem', array($this));
}
$this->showEnd();
}
public function showNotice()
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{
if (Event::handle('StartShowNoticeItemNotice', array($this))) {
$this->showNoticeHeaders();
$this->showContent();
$this->showNoticeFooter();
Event::handle('EndShowNoticeItemNotice', array($this));
}
}
public function showNoticeHeaders()
{
$this->elementStart('section', ['class' => 'notice-headers']);
$this->showNoticeTitle();
$this->showAuthor();
if (!empty($this->notice->reply_to) || count($this->getProfileAddressees()) > 0) {
$this->elementStart('div', array('class' => 'parents'));
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try {
$this->showParent();
} catch (NoParentNoticeException $e) {
// no parent notice
} catch (InvalidUrlException $e) {
// parent had an invalid URL so we can't show it
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}
if ($this->addressees) {
$this->showAddressees();
}
$this->elementEnd('div');
}
$this->elementEnd('section');
}
public function showNoticeFooter()
{
$this->elementStart('footer');
$this->showNoticeInfo();
if ($this->options) {
$this->showNoticeOptions();
}
if ($this->attachments) {
$this->showNoticeAttachments();
}
$this->elementEnd('footer');
}
public function showNoticeTitle()
{
if (Event::handle('StartShowNoticeTitle', array($this))) {
$nameClass = $this->notice->getTitle(false) ? 'p-name ' : '';
$this->element(
'a',
[
'href' => $this->notice->getUri(),
'class' => $nameClass . 'u-uid',
],
$this->notice->getTitle()
);
Event::handle('EndShowNoticeTitle', array($this));
}
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}
public function showNoticeInfo()
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{
if (Event::handle('StartShowNoticeInfo', array($this))) {
$this->showContextLink();
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$this->showNoticeLink();
$this->showNoticeSource();
$this->showNoticeLocation();
$this->showPermalink();
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Event::handle('EndShowNoticeInfo', array($this));
}
}
public function showNoticeOptions()
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{
if (Event::handle('StartShowNoticeOptions', array($this))) {
$user = common_current_user();
if ($user) {
$this->out->elementStart('div', 'notice-options');
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if (Event::handle('StartShowNoticeOptionItems', array($this))) {
$this->showReplyLink();
$this->showDeleteLink();
Event::handle('EndShowNoticeOptionItems', array($this));
}
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$this->out->elementEnd('div');
}
Event::handle('EndShowNoticeOptions', array($this));
}
}
/**
* start a single notice.
*
* @return void
*/
public function showStart()
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{
if (Event::handle('StartOpenNoticeListItemElement', [$this])) {
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$id = (empty($this->repeat)) ? $this->notice->id : $this->repeat->id;
$class = 'h-entry notice';
if ($this->notice->scope != 0 && $this->notice->scope != 1) {
$class .= ' limited-scope';
}
try {
$class .= ' notice-source-' . common_to_alphanumeric($this->notice->source);
} catch (Exception $e) {
// either source or what we filtered out was a zero-length string
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}
$id_prefix = (strlen($this->id_prefix) ? $this->id_prefix . '-' : '');
$this->out->elementStart(
$this->item_tag,
[
'class' => $class,
'id' => "${id_prefix}notice-${id}",
]
);
Event::handle('EndOpenNoticeListItemElement', [$this]);
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}
}
/**
* show the author of a notice
*
* By default, this shows the avatar and (linked) nickname of the author.
*
* @return void
*/
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public function showAuthor()
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{
$attrs = [
'href' => $this->profile->getUrl(),
'class' => 'h-card',
'title' => $this->profile->getHtmlTitle(),
];
if (empty($this->repeat)) {
$attrs['class'] .= ' p-author';
}
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if (Event::handle('StartShowNoticeItemAuthor', array($this->profile, $this->out, &$attrs))) {
$this->out->elementStart('a', $attrs);
$this->showAvatar($this->profile);
$this->out->text($this->profile->getStreamName());
$this->out->elementEnd('a');
Event::handle('EndShowNoticeItemAuthor', array($this->profile, $this->out));
}
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}
public function showParent()
{
$this->out->element(
'a',
array(
'href' => $this->notice->getParent()->getUrl(),
'class' => 'u-in-reply-to',
'rel' => 'in-reply-to'
),
'in reply to'
);
}
public function showAddressees()
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{
$pa = $this->getProfileAddressees();
if (!empty($pa)) {
$this->out->elementStart('ul', 'addressees');
$first = true;
foreach ($pa as $addr) {
$this->out->elementStart('li');
$text = $addr['text'];
unset($addr['text']);
$this->out->element('a', $addr, $text);
$this->out->elementEnd('li');
}
$this->out->elementEnd('ul', 'addressees');
}
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}
public function getProfileAddressees()
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{
if ($this->pa) {
return $this->pa;
}
$this->pa = array();
$attentions = $this->getAttentionProfiles();
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foreach ($attentions as $attn) {
if ($attn->isGroup()) {
$class = 'group';
$profileurl = common_local_url('groupbyid', array('id' => $attn->getGroup()->getID()));
} else {
$class = 'account';
$profileurl = common_local_url('userbyid', array('id' => $attn->getID()));
}
$this->pa[] = [
'href' => $profileurl,
'title' => $attn->getHtmlTitle(),
'class' => "addressee {$class} p-name u-url",
'text' => $attn->getStreamName(),
];
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}
return $this->pa;
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}
public function getAttentionProfiles()
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{
return $this->notice->getAttentionProfiles();
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}
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/**
* show the nickname of the author
*
* Links to the author's profile page
*
* @return void
*/
public function showNickname()
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{
$this->out->raw(
'<span class="p-name">' .
htmlspecialchars($this->profile->getNickname()) .
'</span>'
);
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}
/**
* show the content of the notice
*
* Shows the content of the notice. This is pre-rendered for efficiency
* at save time. Some very old notices might not be pre-rendered, so
* they're rendered on the spot.
*
* @return void
*/
public function showContent()
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{
// FIXME: URL, image, video, audio
$nameClass = $this->notice->getTitle(false) ? '' : 'p-name ';
$this->out->elementStart('article', array('class' => $nameClass . 'e-content'));
if (Event::handle('StartShowNoticeContent', array($this->notice, $this->out, $this->out->getScoped()))) {
if ($this->maxchars > 0 && mb_strlen($this->notice->content) > $this->maxchars) {
$this->out->text(mb_substr($this->notice->content, 0, $this->maxchars) . '[…]');
} else {
$this->out->raw($this->notice->getRendered());
}
Event::handle('EndShowNoticeContent', array($this->notice, $this->out, $this->out->getScoped()));
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}
$this->out->elementEnd('article');
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}
public function showNoticeAttachments()
{
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if (common_config('attachments', 'show_thumbs')) {
$al = new InlineAttachmentList($this->notice, $this->out);
$al->show();
}
}
/**
* show the link to the main page for the notice
*
* Displays a local link to the rendered notice, with "relative" time.
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*
* @return void
*/
public function showNoticeLink()
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{
$this->out->element(
'time',
[
'class' => 'dt-published',
'datetime' => common_date_iso8601($this->notice->created),
'title' => common_exact_date($this->notice->created),
],
common_date_string($this->notice->created)
);
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}
/**
* show the notice location
*
* shows the notice location in the correct language.
*
* If an URL is available, makes a link. Otherwise, just a span.
*
* @return void
*/
public function showNoticeLocation()
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{
try {
$location = Notice_location::locFromStored($this->notice);
} catch (NoResultException $e) {
return;
} catch (ServerException $e) {
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return;
}
$name = $location->getName();
$lat = $location->lat;
$lon = $location->lon;
$latlon = (!empty($lat) && !empty($lon)) ? $lat . ';' . $lon : '';
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if (empty($name)) {
$latdms = $this->decimalDegreesToDMS(abs($lat));
$londms = $this->decimalDegreesToDMS(abs($lon));
// TRANS: Used in coordinates as abbreviation of north.
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$north = _('N');
// TRANS: Used in coordinates as abbreviation of south.
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$south = _('S');
// TRANS: Used in coordinates as abbreviation of east.
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$east = _('E');
// TRANS: Used in coordinates as abbreviation of west.
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$west = _('W');
$name = sprintf(
// TRANS: Coordinates message.
// TRANS: %1$s is lattitude degrees, %2$s is lattitude minutes,
// TRANS: %3$s is lattitude seconds, %4$s is N (north) or S (south) depending on lattitude,
// TRANS: %5$s is longitude degrees, %6$s is longitude minutes,
// TRANS: %7$s is longitude seconds, %8$s is E (east) or W (west) depending on longitude,
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_('%1$u°%2$u\'%3$u"%4$s %5$u°%6$u\'%7$u"%8$s'),
$latdms['deg'],
$latdms['min'],
$latdms['sec'],
($lat > 0 ? $north : $south),
$londms['deg'],
$londms['min'],
$londms['sec'],
($lon > 0 ? $east : $west)
);
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}
$url = $location->getUrl();
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$this->out->text(' ');
$this->out->elementStart('span', array('class' => 'location'));
// TRANS: Followed by geo location.
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$this->out->text(_('at'));
$this->out->text(' ');
if (empty($url)) {
$this->out->element(
'abbr',
[
'class' => 'geo',
'title' => $latlon,
],
$name
);
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} else {
$xstr = new XMLStringer(false);
$xstr->elementStart(
'a',
['href' => $url, 'rel' => 'external']
);
$xstr->element(
'abbr',
['class' => 'geo', 'title' => $latlon],
$name
);
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$xstr->elementEnd('a');
$this->out->raw($xstr->getString());
}
$this->out->elementEnd('span');
}
/**
* @param number $dec decimal degrees
* @return array split into 'deg', 'min', and 'sec'
*/
public function decimalDegreesToDMS($dec)
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{
$deg = intval($dec);
$tempma = abs($dec) - abs($deg);
$tempma = $tempma * 3600;
$min = floor($tempma / 60);
$sec = $tempma - ($min * 60);
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return ['deg' => $deg, 'min' => $min, 'sec' => $sec];
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}
/**
* Show the source of the notice
*
* Either the name (and link) of the API client that posted the notice,
* or one of other other channels.
*
* @return void
* @throws Exception
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*/
public function showNoticeSource()
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{
$ns = $this->notice->getSource();
if (!$ns instanceof Notice_source) {
return;
}
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// TRANS: A possible notice source (web interface).
$source_name = (empty($ns->name)) ? ($ns->code ? _($ns->code) : _m('SOURCE', 'web')) : _($ns->name);
$this->out->text(' ');
$this->out->elementStart('span', 'source');
// @todo FIXME: probably i18n issue. If "from" is followed by text, that should be a parameter to "from" (from %s).
// TRANS: Followed by notice source.
$this->out->text(_('from'));
$this->out->text(' ');
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$name = $source_name;
$url = $ns->url;
$title = null;
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if (Event::handle('StartNoticeSourceLink', array($this->notice, &$name, &$url, &$title))) {
$name = $source_name;
$url = $ns->url;
}
Event::handle('EndNoticeSourceLink', array($this->notice, &$name, &$url, &$title));
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// if $ns->name and $ns->url are populated we have
// configured a source attr somewhere
if (!empty($name) && !empty($url)) {
$this->out->elementStart('span', 'device');
$attrs = array(
'href' => $url,
'rel' => 'external'
);
if (!empty($title)) {
$attrs['title'] = $title;
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}
$this->out->element('a', $attrs, $name);
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$this->out->elementEnd('span');
} else {
$this->out->element('span', 'device', $name);
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}
$this->out->elementEnd('span');
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}
/**
* show link to single-notice view for this notice item
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*
* A permalink that goes to this specific object and nothing else
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*
* @return void
*/
public function showPermalink()
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{
$class = 'permalink u-url';
if (!$this->notice->isLocal()) {
$class .= ' external';
}
try {
if ($this->repeat) {
$this->out->element(
'a',
[
'href' => $this->repeat->getUrl(),
'class' => 'u-url',
],
''
);
$class = str_replace('u-url', 'u-repost-of', $class);
}
} catch (InvalidUrlException $e) {
// no permalink available
}
try {
$this->out->element(
'a',
[
'href' => $this->notice->getUrl(true),
'class' => $class,
],
// TRANS: Addition in notice list item for single-notice view.
_('permalink')
);
} catch (InvalidUrlException $e) {
// no permalink available
}
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}
/**
* Show link to conversation view.
*/
public function showContextLink()
{
$this->out->element(
'a',
[
'rel' => 'bookmark',
'class' => 'timestamp',
'href' => Conversation::getUrlFromNotice($this->notice),
],
// TRANS: A link to the conversation view of a notice, on the local server.
_('In conversation')
);
}
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/**
* show a link to reply to the current notice
*
* Should either do the reply in the current notice form (if available), or
* link out to the notice-posting form. A little flakey, doesn't always work.
*
* @return void
*/
public function showReplyLink()
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{
if (common_logged_in()) {
$this->out->text(' ');
$reply_url = common_local_url(
'newnotice',
[
'replyto' => $this->profile->getNickname(),
'inreplyto' => $this->notice->id,
]
);
$this->out->elementStart(
'a',
[
'href' => $reply_url,
'class' => 'notice_reply',
// TRANS: Link title in notice list item to reply to a notice.
'title' => _('Reply to this notice.'),
]
);
// TRANS: Link text in notice list item to reply to a notice.
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$this->out->text(_('Reply'));
$this->out->text(' ');
$this->out->element('span', 'notice_id', $this->notice->id);
$this->out->elementEnd('a');
}
}
/**
* if the user is the author, let them delete the notice
*
* @return void
* @throws Exception
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*/
public function showDeleteLink()
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{
$user = common_current_user();
$todel = (empty($this->repeat)) ? $this->notice : $this->repeat;
if (!empty($user) &&
!$this->notice->isVerb([ActivityVerb::DELETE]) &&
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($todel->profile_id == $user->id || $user->hasRight(Right::DELETEOTHERSNOTICE))) {
$this->out->text(' ');
$deleteurl = common_local_url(
'deletenotice',
['notice' => $todel->id]
);
$this->out->element(
'a',
[
'href' => $deleteurl,
'class' => 'notice_delete popup',
// TRANS: Link title in notice list item to delete a notice.
'title' => _m('Delete this notice from the timeline.'),
],
// TRANS: Link text in notice list item to delete a notice.
_m('Delete')
);
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}
}
/**
* finish the notice
*
* Close the last elements in the notice list item
*
* @return void
*/
public function showEnd()
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{
if (Event::handle('StartCloseNoticeListItemElement', [$this])) {
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$this->out->elementEnd('li');
Event::handle('EndCloseNoticeListItemElement', [$this]);
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}
}
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/**
* Get the notice in question
*
* For hooks, etc., this may be useful
*
* @return Notice The notice we're showing
*/
public function getNotice()
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{
return $this->notice;
}
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}