Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle 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 General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Renders text with the active filters and returns it. Used to create previews of equations

 * using whatever tex filters are enabled.

 *

 * @package    atto_equation

 * @copyright  2014 Damyon Wiese

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

define('AJAX_SCRIPT', true);

require_once(__DIR__ . '/../../../../../config.php');

$contextid = required_param('contextid', PARAM_INT);

list($context, $course, $cm) = get_context_info_array($contextid);

$PAGE->set_url('/lib/editor/atto/plugins/equation/ajax.php');

$PAGE->set_context($context);

require_login($course, false, $cm);

require_sesskey();

$action = required_param('action', PARAM_ALPHA);

if ($action === 'filtertext') {

    $text = required_param('text', PARAM_RAW);

    $result = filter_manager::instance()->filter_text($text, $context);

    echo $OUTPUT->header();

    echo $result;

    die();

}

throw new \moodle_exception('invalidarguments');