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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\GeneralUtility;
use TYPO3\CMS\Form\Domain\Exception\IdentifierNotValidException;
use TYPO3\CMS\Form\Domain\Model\Renderable\AbstractRenderable;
/**
* A Form Element that has no definition.
*
* Scope: frontend
*/
class UnknownFormElement extends AbstractRenderable implements FormElementInterface
{
/**
* Constructor. Needs this FormElement's identifier and the FormElement type
*
* @param string $identifier The FormElement's identifier
* @param string $type The Form Element Type
* @throws IdentifierNotValidException
*/
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.', 1382364370);
}
$this->identifier = $identifier;
$this->type = $type;
}
/**
* Sets up the form element
*/
public function initializeFormElement()
{
foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['initializeFormElement'] ?? [] as $className) {
$hookObj = GeneralUtility::makeInstance($className);
if (method_exists($hookObj, 'initializeFormElement')) {
$hookObj->initializeFormElement(
$this
);
}
}
}
/**
* Returns a unique identifier of this element.
* While element identifiers are only unique within one form,
* this includes the identifier of the form itself, making it "globally" unique
*
* @return string the "globally" unique identifier of this element
*/
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);
}
/**
* Get the template name of the renderable
*/
public function getTemplateName(): string
{
return 'UnknownElement';
}
/**
* @return mixed the default value for this Form Element
* @internal
*/
public function getDefaultValue()
{
return null;
}
/**
* Not used in this implementation
*
* @param mixed $defaultValue the default value for this Form Element
* @internal
*/
public function setDefaultValue($defaultValue) {}
/**
* Not used in this implementation
*
* @param mixed $value
* @internal
*/
public function setProperty(string $key, $value) {}
/**
* @internal
*/
public function getProperties(): array
{
return [];
}
/**
* @internal
*/
public function isRequired(): bool
{
return false;
}
}