AbstractFormElement.php

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<?php
declare(strict_types = 1);
namespace TYPO3\CMS\Form\Domain\Model\FormElements;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It originated from the Neos.Form package (www.neos.io)
 *
 * 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!
 */

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;
use TYPO3\CMS\Form\Domain\Runtime\FormRuntime;

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()
    {
        if (
            isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['initializeFormElement'])
            && is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['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 = 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();
        $formDefinition->addElementDefaultValue($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) && is_array($this->properties[$key])) {
            ArrayUtility::mergeRecursiveWithOverrule($this->properties[$key], $value);
        } else {
            $this->properties[$key] = $value;
        }
    }

    public function getProperties(): array
    {
        return $this->properties;
    }

    public function onSubmit(FormRuntime $formRuntime, &$elementValue, array $requestArguments = [])
    {
        GeneralUtility::logDeprecatedFunction();
    }
}