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<?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/>.

/**
 * Drop down list (select list) element
 *
 * @package   gradereport_singleview
 * @copyright 2014 Moodle Pty Ltd (http://moodle.com)
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace gradereport_singleview\local\ui;

use html_writer;

defined('MOODLE_INTERNAL') || die;

/** @var string $selected Who is selected ? */
    private $selected;

/** @var array $options List of options ? */
    private $options;

/** @var bool $isdisabled Is this input disabled. */
    private $isdisabled;

/**
     * Constructor
     *
     * @param string $name The first bit of the name of this input.
     * @param array $options The options list for this select.
     * @param string $label The form label for this input.
     * @param string $selected The name of the selected item in this input.
     * @param bool $isdisabled Are we disabled?
     */
    public function __construct($name, $options, $label, $selected = '', $isdisabled = false) {
        $this->selected = $selected;
        $this->options = $options;
        $this->isdisabled = $isdisabled;
        parent::__construct($name, $selected, $label);
    }

/**
     * Nasty function spreading dropdown logic around.
     *
     * @return bool
     */
    public function is_dropdown() {
        return true;
    }

/**
     * Render this element as html.
     *
     * @return string
     */
    public function html() {
        global $OUTPUT;

$options = $this->options;
        $selected = $this->selected;

$context = array(
            'name' => $this->name,
            'value' => $this->selected,
            'tabindex' => 1,
            'disabled' => !empty($this->isdisabled),
            'options' => array_map(function($option) use ($options, $selected) {
                return [
                    'name' => $options[$option],
                    'value' => $option,
                    'selected' => $selected == $option
                ];
            }, array_keys($options)),
            'label' => get_string('gradefor', 'gradereport_singleview', $this->label),
        );

return $OUTPUT->render_from_template('gradereport_singleview/dropdown_attribute', $context);
    }
}