68 lines
2.2 KiB
PHP
68 lines
2.2 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2020 (original work) (update and modification) Open Assessment Technologies SA
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*/
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declare(strict_types=1);
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use oat\tao\helpers\form\validators\CrossElementEvaluationAware;
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class tao_helpers_form_validators_AnyOf extends tao_helpers_form_Validator implements CrossElementEvaluationAware
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{
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/** @var tao_helpers_form_FormElement[]|[] */
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private $references = [];
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/**
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* @throws common_Exception
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* @throws common_exception_Error
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*/
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public function setOptions(array $options)
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{
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parent::setOptions($options);
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if (!$this->hasOption('reference')) {
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throw new common_Exception(sprintf("No reference provided for %s validator", $this->getName()));
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}
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}
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public function evaluate($values)
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{
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$isEmpty = [empty($values)];
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foreach ($this->references as $reference) {
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$isEmpty[] = empty($reference->getRawValue());
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}
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return count(array_filter($isEmpty)) <= 1;
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}
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public function acknowledge(tao_helpers_form_Form $form): void
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{
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$message = [];
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foreach ($this->getOption('reference', []) as $ref) {
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$ref = $ref instanceof tao_helpers_form_FormElement ? $ref : $form->getElement(
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tao_helpers_Uri::encode($ref)
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);
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$this->references[] = $ref;
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$message[] = $ref->getDescription();
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}
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$this->setMessage(__('This or one of %s must have a value', implode(',', $message)));
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}
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}
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