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/>.

namespace tool_brickfield\local\htmlchecker\common\checks;

use core_text;

use tool_brickfield\local\htmlchecker\common\brickfield_accessibility_test;

/**

 * Brickfield accessibility HTML checker library.

 *

 * Image Alt text is long.

 * Image Alt text is long or user must confirm that Alt text is as short as possible.

 *

 * @package    tool_brickfield

 * @copyright  2020 onward: Brickfield Education Labs, www.brickfield.ie

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

 */

class img_alt_is_too_long extends brickfield_accessibility_test {

    /**

     * The main check function. This is called by the parent class to actually check content.

     */

    public function check(): void {

        global $alttextlengthlimit;

        foreach ($this->get_all_elements('img') as $img) {

            $alttextlengthlimit = 750;

            if ($img->hasAttribute('alt') && core_text::strlen($img->getAttribute('alt')) > $alttextlengthlimit) {

                $this->add_report($img);

            }

        }

    }

}