Fluid finisher for the TYPO3.Form package

FluidFinisher.php

<?php
namespace Your\Package\Form\Finishers;

use TYPO3\Flow\Utility\Arrays;
use TYPO3\Fluid\View\StandaloneView;
use TYPO3\Form\Core\Model\AbstractFinisher;
use TYPO3\Form\Core\Runtime\FormRuntime;
use TYPO3\Form\Exception\FinisherException;

/**
 * Custom finisher for the TYPO3.Form package that displays a Fluid template
 */
class FluidFinisher extends AbstractFinisher {

	/**
	 * @return void
	 */
	protected function executeInternal() {
		$formRuntime = $this->finisherContext->getFormRuntime();

		$standaloneView = $this->initializeStandaloneView($formRuntime);
		$response = $formRuntime->getResponse();
		$response->setContent($standaloneView->render());
	}

	/**
	 * @param FormRuntime $formRuntime
	 * @return StandaloneView
	 * @throws FinisherException
	 */
	protected function initializeStandaloneView(FormRuntime $formRuntime) {
		$standaloneView = new StandaloneView($formRuntime->getRequest());
		if (isset($this->options['templatePathAndFilename'])) {
			$standaloneView->setTemplatePathAndFilename($this->options['templatePathAndFilename']);
		} elseif (isset($this->options['templateSource'])) {
			$standaloneView->setTemplateSource($this->options['templateSource']);
		} else {
			throw new FinisherException('One of the options "templatePathAndFilename" or "templateSource" must be set for the FluidFinisher.', 1400687692);
		}

		if (isset($this->options['partialRootPath'])) {
			$standaloneView->setPartialRootPath($this->options['partialRootPath']);
		}

		if (isset($this->options['layoutRootPath'])) {
			$standaloneView->setLayoutRootPath($this->options['layoutRootPath']);
		}

		$variables = $formRuntime->getFormState()->getFormValues();
		if (isset($this->options['variables'])) {
			$variables = Arrays::arrayMergeRecursiveOverrule($variables, $this->options['variables']);
		}
		$standaloneView->assignMultiple($variables);
		return $standaloneView;
	}
}

Settings.yaml

TYPO3:
  Form:
    presets:
        # use a different preset name if you don't want to add the finisher to the default preset
      'default':

          # finisher definition
        finisherPresets:
          'Your.Package:Fluid':
            implementationClassName: 'Your\Package\Form\Finishers\FluidFinisher'

Usage:

Simple example using the YamlPersistenceManager (e.g. FormBuilder):

type: 'TYPO3.Form:Form'
identifier: finisherwithlink
label: 'Finisher with link'
finishers:
    -
        identifier: 'Your.Package:Fluid'
        options:
            templateSource: 'The value of a1 is {a1}! <f:link.action action="index">Back</f:link.action>'
renderingOptions:
    submitButtonLabel: ''
renderables:
    -
        type: 'TYPO3.Form:Page'
        identifier: page1
        label: 'Page 1'
        renderables:
            -
                type: 'TYPO3.Form:SingleLineText'
                identifier: a1
                label: A1
                properties:
                    placeholder: ''
                defaultValue: ''