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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/>.
/**
* An override grade checkbox 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;
defined('MOODLE_INTERNAL') || die;
/**
* An override grade checkbox 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
*/
class override extends grade_attribute_format implements be_checked, be_disabled {
/** @var string $name The name for this input */
public $name = 'override';
/**
* Is this input checked
*
* @return bool
*/
public function is_checked() {
return $this->grade->is_overridden();
}
/**
* Is this input disabled
*
* @return bool
*/
public function is_disabled() {
$lockedgrade = $lockedgradeitem = 0;
if (!empty($this->grade->locked)) {
$lockedgrade = 1;
}
if (!empty($this->grade->grade_item->locked)) {
$lockedgradeitem = 1;
}
return ($lockedgrade || $lockedgradeitem);
}
/**
* Get the label for this form element.
*
* @return string
*/
public function get_label() {
if (!isset($this->grade->label)) {
$this->grade->label = '';
}
return $this->grade->label;
}
/**
* Generate the element for this form input.
*
* @return element
*/
public function determine_format() {
if (!$this->grade->grade_item->is_overridable_item()) {
return new empty_element();
}
return new checkbox_attribute(
$this->get_name(),
$this->get_label(),
$this->is_checked(),
$this->is_disabled()
);
}
/**
* Save the modified value of this form element.
*
* @param string $value The new value to set
* @return mixed string|false Any error message
*/
public function set($value) {
if (empty($this->grade->id)) {
return false;
}
$state = $value == 0 ? false : true;
$this->grade->set_overridden($state);
$this->grade->grade_item->force_regrading();
return false;
}
}