Neos CMS Plugin with inline-editable content areas

ContactFormPlugin.ts2

prototype(Websight.Project:ContactFormPlugin) < prototype(TYPO3.Neos:Plugin)
prototype(Websight.Project:ContactFormPlugin) {
	package = 'Websight.Project'
	controller = 'ContactRequest'
	action = 'new'
	node = ${node}
	titleLeft = ${q(node).property('titleLeft')}
	titleRight = ${q(node).property('titleRight')}
	textLeft = ${q(node).property('textLeft')}
}

ContactRequestController.php

<?php
namespace Websight\Project\Controller;

use TYPO3\Flow\Annotations as Flow;
use TYPO3\Flow\Error\Debugger;
use TYPO3\Flow\Mvc\Controller\ActionController;
use Websight\Project\Domain\Model\ContactRequest;

/**
 * @package Websight\Project\Controller
 */
class ContactRequestController extends ActionController
{
  /**
     * @return void
     */
    public function newAction()
    {
        $node = $this->request->getInternalArgument('__node');
        $titleLeftProperty = $this->request->getInternalArgument('__titleLeft');
        $titleRightProperty = $this->request->getInternalArgument('__titleRight');
        $textLeftProperty = $this->request->getInternalArgument('__textLeft');

        $this->view->assignMultiple(
            [
                'node'       => $node,
                'titleLeft'  => $titleLeftProperty,
                'titleRight' => $titleRightProperty,
                'textLeft'   => $textLeftProperty,
            ]
        );
    }
}

New.html

{namespace neos=TYPO3\Neos\ViewHelpers}
<f:layout name="Default"/>

<f:section name="Title">New contact request</f:section>

<f:section name="Content">
	<div class="row">
		<div class="col-md-4 col-sm-12 col-xs-12 center991">
			{neos:contentElement.editable(property: 'titleLeft', tag: 'h3', class: 'text-center', node: node)}

			{neos:contentElement.editable(property: 'textLeft', tag: 'address', class: 'addr1', node: node)}
		</div>
		<div class="col-md-8 col-xs-12">
			{neos:contentElement.editable(property: 'titleRight', tag: 'h3', class: 'text-center', node: node)}

			<f:form action="create" objectName="newContactRequest">
				<!-- ... -->
			</f:form>
		</div>
	</div>
</f:section>

NodeTypes.yaml

'Websight.Project:ContactFormPlugin':
  superTypes:
    'TYPO3.Neos:Plugin': TRUE
  ui:
    label: 'Kontaktformular (Plugin)'
    group: 'plugins'
  properties:
    titleLeft:
      type: 'string'
      ui:
        inlineEditable: TRUE
        aloha:
          placeholder: 'Überschrift hier einfügen..'
    textLeft:
      type: 'string'
      ui:
        inlineEditable: TRUE
        aloha:
          placeholder: 'Text hier einfügen..'
    titleRight:
      type: 'string'
      ui:
        inlineEditable: TRUE
        aloha:
          placeholder: 'Überschrift hier einfügen..'