68 lines
2.2 KiB
PHP
68 lines
2.2 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This program 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; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright (c) 2020 (original work) (update and modification) Open Assessment Technologies SA
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
use oat\tao\helpers\form\validators\CrossElementEvaluationAware;
|
|
|
|
class tao_helpers_form_validators_OneOf extends tao_helpers_form_Validator implements CrossElementEvaluationAware
|
|
{
|
|
|
|
/** @var tao_helpers_form_FormElement[]|[] */
|
|
private $references = [];
|
|
|
|
/**
|
|
* @throws common_Exception
|
|
* @throws common_exception_Error
|
|
*/
|
|
public function setOptions(array $options)
|
|
{
|
|
parent::setOptions($options);
|
|
|
|
if (!$this->hasOption('reference')) {
|
|
throw new common_Exception(sprintf("No reference provided for %s validator", $this->getName()));
|
|
}
|
|
}
|
|
|
|
public function evaluate($values)
|
|
{
|
|
$isEmpty = [empty($values)];
|
|
foreach ($this->references as $reference) {
|
|
$isEmpty[] = empty($reference->getRawValue());
|
|
}
|
|
return count(array_filter($isEmpty)) === 1;
|
|
}
|
|
|
|
public function acknowledge(tao_helpers_form_Form $form): void
|
|
{
|
|
$message = [];
|
|
foreach ($this->getOption('reference', []) as $ref) {
|
|
$ref = $ref instanceof tao_helpers_form_FormElement ? $ref : $form->getElement(
|
|
tao_helpers_Uri::encode($ref)
|
|
);
|
|
|
|
$this->references[] = $ref;
|
|
$message[] = $ref->getDescription();
|
|
}
|
|
|
|
$this->setMessage(__('Only one of the field must have value %s', implode(',', $message)));
|
|
}
|
|
}
|