<?php
// This file is part of The Bootstrap Moodle theme
//
// 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/>.

/**
 * Simple yes or no filter.
 *
 * @package    block_dash
 * @copyright  2019 bdecent gmbh <https://bdecent.de>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace block_dash\local\data_grid\filter;
/**
 * Simple yes or no filter.
 *
 * @package block_dash
 */
class bool_filter extends select_filter {
    /**
     * Return a list of operations this filter can handle.
     *
     * @return array
     */
    public function get_supported_operations() {
        return [
            self::OPERATION_EQUAL,
        ];
    }

    /**
     * Initialize the filter. It must be initialized before values are extracted or SQL generated.
     * If overridden call parent.
     */
    public function init() {
        $this->add_options([
            1 => get_string('yes'),
            0 => get_string('no'),
        ]);

        parent::init();
    }
}
