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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Use TinyMCE library to allow rich text editing in the browser
*
* PHP version 5
*
* 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 WYSIWYG
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Use TinyMCE library to allow rich text editing in the browser
*
* Converts the notice form in browser to a rich-text editor.
*
* @category WYSIWYG
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class TinyMCEPlugin extends Plugin
{
var $html;
function onEndShowScripts($action)
{
if (common_logged_in()) {
$action->script(common_path('plugins/TinyMCE/js/jquery.tinymce.js'));
$action->inlineScript($this->_inlineScript());
}
return true;
}
function onEndShowStyles($action)
{
$action->style('span#notice_data-text_container, span#notice_data-text_parent { float: left }');
return true;
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'TinyMCE',
'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:TinyMCE',
'rawdescription' =>
_m('Use TinyMCE library to allow rich text editing in the browser'));
return true;
}
/**
* Sanitize HTML input and strip out potentially dangerous bits.
*
* @param string $raw HTML
* @return string HTML
*/
private function sanitizeHtml($raw)
{
require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
$config = array('safe' => 1,
'deny_attribute' => 'id,style,on*');
return htmLawed($raw, $config);
}
/**
* Strip HTML to plaintext string
*
* @param string $html HTML
* @return string plaintext, single line
*/
private function stripHtml($html)
{
return str_replace("\n", " ", html_entity_decode(strip_tags($html)));
}
/**
* Hook for new-notice form processing to take our HTML goodies;
* won't affect API posting etc.
*
* @param NewNoticeAction $action
* @param User $user
* @param string $content
* @param array $options
* @return boolean hook return
*/
function onSaveNewNoticeWeb($action, $user, &$content, &$options)
{
$html = $this->sanitizeHtml($action->arg('status_textarea'));
$options['rendered'] = $html;
$content = $this->stripHtml($html);
return true;
}
function _inlineScript()
{
$path = common_path('plugins/TinyMCE/js/tiny_mce.js');
// Note: the normal on-submit triggering to save data from
// the HTML editor into the textarea doesn't play well with
// our AJAX form submission. Manually moving it to trigger
// on our send button click.
$scr = <<<END_OF_SCRIPT
$().ready(function() {
$('textarea#notice_data-text').tinymce({
script_url : '{$path}',
// General options
theme : "advanced",
theme_advanced_buttons1 : "bold,italic,strikethrough,|,undo,redo,|,link,unlink,image",
theme_advanced_buttons2 : "",
theme_advanced_buttons3 : "",
add_form_submit_trigger : false
});
$('#notice_action-submit').click(function() {
tinymce.triggerSave();
});
});
END_OF_SCRIPT;
return $scr;
}
}
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