80 lines
2.5 KiB
PHP
80 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Fluid\ViewHelpers\Form;
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/**
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* ViewHelper which renders a simple radio button `<input type="radio">`.
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*
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* ```
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* <f:form.radio name="myRadioButton" value="someValue" />
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* <f:form.radio property="newsletter" value="1" />
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* ```
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*
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* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-form-radio
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*/
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final class RadioViewHelper extends AbstractFormFieldViewHelper
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{
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/**
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* @var string
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*/
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protected $tagName = 'input';
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public function initializeArguments(): void
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{
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parent::initializeArguments();
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$this->registerArgument('errorClass', 'string', 'CSS class to set if there are errors for this ViewHelper', false, 'f3-form-error');
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$this->registerArgument('checked', 'bool', 'Specifies that the input element should be preselected');
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$this->registerArgument('value', 'string', 'Value of input tag. Required for radio buttons', true);
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}
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public function render(): string
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{
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$checked = $this->arguments['checked'];
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$this->tag->addAttribute('type', 'radio');
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$nameAttribute = $this->getName();
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$valueAttribute = $this->getValueAttribute();
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$propertyValue = null;
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if ($this->hasMappingErrorOccurred()) {
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$propertyValue = $this->getLastSubmittedFormData();
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}
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if ($checked === null && $propertyValue === null) {
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$propertyValue = $this->getPropertyValue();
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$propertyValue = $this->convertToPlainValue($propertyValue);
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}
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if ($propertyValue !== null) {
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// no type-safe comparison by intention
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$checked = $propertyValue == $valueAttribute;
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}
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$this->registerFieldNameForFormTokenGeneration($nameAttribute);
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$this->tag->addAttribute('name', $nameAttribute);
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$this->tag->addAttribute('value', (string)$valueAttribute);
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if ($checked === true) {
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$this->tag->addAttribute('checked', 'checked');
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}
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$this->setErrorClassAttribute();
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return $this->tag->render();
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}
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}
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