PasswordViewHelper.php

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<?php

namespace TYPO3\CMS\Fluid\ViewHelpers\Form;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License, either version 3   *
 *  of the License, or (at your option) any later version.                *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

class PasswordViewHelper extends \TYPO3\CMS\Fluid\ViewHelpers\Form\AbstractFormFieldViewHelper
{
    protected $tagName = 'input';

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerTagAttribute(
            'disabled', 'string', 'Specifies that the input element should be disabled when the page loads'
        );
        $this->registerTagAttribute(
            'maxlength', 'int', 'The maxlength attribute of the input field (will not be validated)'
        );
        $this->registerTagAttribute('readonly', 'string', 'The readonly attribute of the input field');
        $this->registerTagAttribute('size', 'int', 'The size of the input field');
        $this->registerArgument(
            'errorClass', 'string', 'CSS class to set if there are errors for this view helper', false, 'f3-form-error'
        );
        $this->registerUniversalTagAttributes();
    }

    public function render()
    {
        $name = $this->getName();
        $this->registerFieldNameForFormTokenGeneration($name);
        $this->setRespectSubmittedDataValue(true);

        $this->tag->addAttribute('type', 'password');
        $this->tag->addAttribute('name', $name);
        $this->tag->addAttribute('value', $this->getValueAttribute());

        $this->addAdditionalIdentityPropertiesIfNeeded();
        $this->setErrorClassAttribute();

        return $this->tag->render();
    }
}