AbstractFormElement.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
/*
 * Inspired by and partially taken from the Neos.Form package (www.neos.io)
 */
 
namespace ‪TYPO3\CMS\Form\Domain\Model\FormElements;
 
use ‪TYPO3\CMS\Core\Utility\ArrayUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Extbase\Validation\Validator\NotEmptyValidator;
use ‪TYPO3\CMS\Form\Domain\Exception\IdentifierNotValidException;
use ‪TYPO3\CMS\Form\Domain\Model\Renderable\AbstractRenderable;
 
abstract class ‪AbstractFormElement extends ‪AbstractRenderable implements ‪FormElementInterface
{
 
    protected ‪$properties = [];
 
    public function ‪__construct(string ‪$identifier, string ‪$type)
    {
        if (!is_string(‪$identifier) || strlen(‪$identifier) === 0) {
            throw new ‪IdentifierNotValidException('The given identifier was not a string or the string was empty.', 1477082502);
        }
        $this->identifier = ‪$identifier;
        $this->type = ‪$type;
    }
 
    public function ‪initializeFormElement()
    {
        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['initializeFormElement'] ?? [] as $className) {
            $hookObj = GeneralUtility::makeInstance($className);
            if (method_exists($hookObj, 'initializeFormElement')) {
                $hookObj->initializeFormElement(
                    $this
                );
            }
        }
    }
 
    public function ‪getUniqueIdentifier(): string
    {
        $formDefinition = $this->‪getRootForm();
        $uniqueIdentifier = sprintf('%s-%s', $formDefinition->getIdentifier(), $this->identifier);
        $uniqueIdentifier = (string)preg_replace('/[^a-zA-Z0-9_-]/', '_', $uniqueIdentifier);
        return lcfirst($uniqueIdentifier);
    }
 
    public function ‪getDefaultValue()
    {
        $formDefinition = $this->‪getRootForm();
        return $formDefinition->getElementDefaultValueByIdentifier($this->identifier);
    }
 
    public function ‪setDefaultValue($defaultValue)
    {
        $formDefinition = $this->‪getRootForm();
        $currentDefaultValue = $formDefinition->getElementDefaultValueByIdentifier($this->identifier);
        if (is_array($currentDefaultValue) && is_array($defaultValue)) {
            ‪ArrayUtility::mergeRecursiveWithOverrule($currentDefaultValue, $defaultValue);
            $defaultValue = ‪ArrayUtility::removeNullValuesRecursive($currentDefaultValue);
        }
        $formDefinition->addElementDefaultValue($this->identifier, $defaultValue);
    }
 
    public function ‪isRequired(): bool
    {
        foreach ($this->‪getValidators() as ‪$validator) {
            if (‪$validator instanceof ‪NotEmptyValidator) {
                return true;
            }
        }
        return false;
    }
 
    public function ‪setProperty(string $key, $value)
    {
        if (is_array($value) && isset($this->properties[$key]) && is_array($this->properties[$key])) {
            ‪ArrayUtility::mergeRecursiveWithOverrule($this->properties[$key], $value);
            $this->properties[$key] = ‪ArrayUtility::removeNullValuesRecursive($this->properties[$key]);
        } elseif ($value === null) {
            unset($this->properties[$key]);
        } else {
            $this->properties[$key] = $value;
        }
    }
 
    public function ‪getProperties(): array
    {
        return ‪$this->properties;
    }
}