forked from GNUsocial/gnu-social
322 lines
9.5 KiB
PHP
322 lines
9.5 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* A plugin to add titles to notices
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*
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* PHP version 5
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*
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* 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 NoticeTitle
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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define('NOTICE_TITLE_PLUGIN_VERSION', '0.1');
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/**
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* NoticeTitle plugin to add an optional title to notices.
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*
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* Stores notice titles in a secondary table, notice_title.
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*
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* @category NoticeTitle
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class NoticeTitlePlugin extends Plugin
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{
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// By default, notice-title widget will be available to all users.
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// With restricted on, only users who have been granted the
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// "richedit" role get it.
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public $restricted = false;
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/**
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* Database schema setup
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*
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* Add the notice_title helper table
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*
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* @see Schema
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* @see ColumnDef
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onCheckSchema()
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{
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$schema = Schema::get();
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// For storing titles for notices
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$schema->ensureTable('notice_title', Notice_title::schemaDef());
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return true;
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}
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/**
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* Provide plugin version information.
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*
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* This data is used when showing the version page.
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*
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* @param array &$versions array of version data arrays; see EVENTS.txt
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*
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* @return boolean hook value
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*/
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function onPluginVersion(array &$versions)
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{
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$url = 'http://status.net/wiki/Plugin:NoticeTitle';
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$versions[] = array('name' => 'NoticeTitle',
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'version' => NOTICE_TITLE_PLUGIN_VERSION,
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'author' => 'Evan Prodromou',
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'homepage' => $url,
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'rawdescription' =>
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// TRANS: Plugin description.
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_m('Adds optional titles to notices.'));
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return true;
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}
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/**
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* Show title entry when showing notice form
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*
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* @param Form $form Form being shown
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*
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* @return boolean hook value
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*/
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function onStartShowNoticeFormData($form)
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{
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if ($this->isAllowedRichEdit()) {
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$form->out->element('style',
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null,
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'label#notice_data-text-label { display: none }');
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$form->out->element('input', array('type' => 'text',
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'id' => 'notice_title',
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'name' => 'notice_title',
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'size' => 40,
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'maxlength' => Notice_title::MAXCHARS));
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}
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return true;
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}
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/**
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* Validate notice title before saving
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*
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* @param Action $action NewNoticeAction being executed
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* @param Profile $author Profile object for the author of the notice being saved
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* @param string &$text Text of the notice
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* @param array &$options Options array
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*
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* @return boolean hook value
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*/
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function onStartNoticeSaveWeb(Action $action, Profile $author, &$content, &$options)
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{
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$title = $action->trimmed('notice_title');
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if (!empty($title) && $this->isAllowedRichEdit()) {
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if (mb_strlen($title) > Notice_title::MAXCHARS) {
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// TRANS: Exception thrown when a notice title is too long.
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// TRANS: %d is the maximum number of characters allowed in a title (used for plural).
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throw new Exception(sprintf(_m('The notice title is too long (maximum %d character).',
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'The notice title is too long (maximum %d characters).',
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Notice_title::MAXCHARS),
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Notice_title::MAXCHARS));
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}
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}
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return true;
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}
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/**
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* Save notice title after notice is saved
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*
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* @param Action $action NewNoticeAction being executed
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* @param Notice $notice Notice that was saved
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*
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* @return boolean hook value
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*/
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function onEndNoticeSaveWeb($action, $notice)
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{
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if (!empty($notice)) {
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$title = $action->trimmed('notice_title');
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if (!empty($title) && $this->isAllowedRichEdit()) {
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$nt = new Notice_title();
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$nt->notice_id = $notice->id;
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$nt->title = $title;
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$nt->insert();
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}
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}
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return true;
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}
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/**
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* Show the notice title in lists
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*
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* @param NoticeListItem $nli NoticeListItem being shown
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*
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* @return boolean hook value
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*/
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function onStartShowNoticeTitle(NoticeListItem $nli)
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{
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$title = Notice_title::fromNotice($nli->notice);
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if (!empty($title)) {
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$nli->elementStart('h4', array('class' => 'p-name'));
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$nli->element('a', array('href' => $nli->notice->getUrl()), $title);
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$nli->elementEnd('h4');
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return false;
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}
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return true;
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}
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/**
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* Show the notice title in RSS output
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*
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* @param Notice $notice Notice being shown
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* @param array &$entry array of values used for RSS output
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*
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* @return boolean hook value
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*/
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function onEndRssEntryArray($notice, &$entry)
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{
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$title = Notice_title::fromNotice($notice);
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if (!empty($title)) {
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$entry['title'] = $title;
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}
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return true;
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}
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/**
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* Show the notice title in Atom output
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*
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* @param Notice $notice Notice being shown
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* @param Activity $act Activity object to be modified
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* @param Profile $scoped Currently logged in/scoped profile
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*
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* @return boolean hook value
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*/
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function onEndNoticeAsActivity(Notice $stored, Activity $act, Profile $scoped=null)
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{
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$title = Notice_title::fromNotice($stored);
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if (!empty($title)) {
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foreach ($act->objects as $obj) {
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if ($obj->id == $stored->getUri()) {
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$obj->title = $title;
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break;
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}
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}
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}
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return true;
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}
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/**
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* Remove title when the notice is deleted
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*
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* @param Notice $notice Notice being deleted
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*
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* @return boolean hook value
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*/
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function onNoticeDeleteRelated($notice)
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{
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$nt = Notice_title::getKV('notice_id', $notice->id);
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if (!empty($nt)) {
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$nt->delete();
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}
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return true;
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}
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/**
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* If a notice has a title, show it in the <title> element
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*
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* @param Action $action Action being executed
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*
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* @return boolean hook value
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*/
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function onStartShowHeadTitle($action)
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{
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$actionName = $action->trimmed('action');
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if ($actionName == 'shownotice') {
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$title = Notice_title::fromNotice($action->notice);
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if (!empty($title)) {
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$action->element('title', null,
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// TRANS: Page title. %1$s is the title, %2$s is the site name.
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sprintf(_m("%1\$s - %2\$s"),
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$title,
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common_config('site', 'name')));
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}
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}
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return true;
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}
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/**
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* If a notice has a title, show it in the <h1> element
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*
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* @param Notice $notice Notice we're getting the title for
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* @param string $title Reference to the variable which we set to the notice's title
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*
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* @return boolean hook value
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*/
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function onGetNoticeTitle(Notice $notice, &$title)
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{
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$title = Notice_title::fromNotice($notice);
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if (!is_null($title)) {
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return false;
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}
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return true;
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}
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/**
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* Does the current user have permission to use the notice-title widget?
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* Always true unless the plugin's "restricted" setting is on, in which
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* case it's limited to users with the "richedit" role.
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*
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* @todo FIXME: make that more sanely configurable :)
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*
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* @return boolean
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*/
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private function isAllowedRichEdit()
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{
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if ($this->restricted) {
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$user = common_current_user();
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return !empty($user) && $user->hasRole('richedit');
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} else {
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return true;
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}
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}
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}
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