Extend EXT:fluidcontent_core with textpic CType

CoreContentController.php

<?php
namespace Vm\Vmtemplates\Controller;
/*****************************************************************
 *  Copyright notice
 *
 *  (c) 2014 Benjamin Rau <rau@codearts.at>
 *
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 *****************************************************************/

use FluidTYPO3\FluidcontentCore\Controller\CoreContentController as AbstractCoreContentController;

class CoreContentController extends AbstractCoreContentController {

	/**
	 * @return void
	 */
	public function textpicAction() {

	}

}

ext_localconf.php

$GLOBALS['TYPO3_CONF_VARS']['FluidTYPO3.FluidcontentCore']['types'][] = 'textpic';

\TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
	'Vm.Vmtemplates',
	'Textpic',
	array('CoreContent' => 'textpic'),
	array()
);

ext_tables.php

$GLOBALS['TCA']['tt_content']['types']['textpic']['showitem'] = '--palette--;LLL:EXT:cms/locallang_ttc.xml:palette.general;general, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.header;header, bodytext;Text;;richtext:rte_transform[flag=rte_enabled|mode=ts_css], rte_enabled;LLL:EXT:cms/locallang_ttc.xml:rte_enabled_formlabel,--div--;LLL:EXT:cms/locallang_ttc.xml:tabs.images, image, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.imagelinks;imagelinks,--div--;LLL:EXT:cms/locallang_ttc.xml:tabs.appearance, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.frames;frames, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.imageblock;imageblock, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.textlayout;textlayout, --div--;LLL:EXT:cms/locallang_ttc.xml:tabs.access, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.visibility;visibility, --palette--;LLL:EXT:cms/locallang_ttc.xml:palette.access;access, --div--;LLL:EXT:cms/locallang_ttc.xml:tabs.extended, ,--div--;LLL:EXT:flux/Resources/Private/Language/locallang.xlf:tt_content.tabs.relation,tx_flux_column,tx_flux_children;LLL:EXT:flux/Resources/Private/Language/locallang.xlf:tt_content.tx_flux_children,,,';

setup.txt

plugin.tx_vmtemplates.bootstrap = USER
plugin.tx_vmtemplates.bootstrap {
	userFunc = TYPO3\CMS\Extbase\Core\Bootstrap->run
    vendorName = Vm
    extensionName = Vmtemplates
}

tt_content.textpic >
tt_content.textpic < plugin.tx_vmtemplates.bootstrap
tt_content.textpic.pluginName = Textpic

Textpic.html

{namespace flux=FluidTYPO3\Flux\ViewHelpers}
{namespace v=Tx_Vhs_ViewHelpers}

<f:layout name="CoreContent/NoHeader" />

<f:section name="Configuration">
	<flux:form id="textpic">
		<f:render partial="Properties/Header" arguments="{_all}" />
		<f:render partial="Properties/Container" arguments="{_all}" />
	</flux:form>
</f:section>

<f:section name="Preview">
	{record.bodytext -> f:format.crop(maxCharacters: 100)}
</f:section>

<f:section name="Main">
	{v:content.resources.fal(field: 'image') -> v:var.set(name: 'settings.images')}
	<div class="row">
		<div class="span2">
			<f:if condition="{record.image_zoom}">
				<f:then>
					<f:for each="{settings.images}" as="image">
						<a href="{f:uri.image(src: image.url, maxWidth: 1280, maxHeight: 1024)}" class="imageOverlay">
							<f:image src="{image.url}" alt="{record.header}" width="435" />
						</a>
					</f:for>
				</f:then>
				<f:else>
					<f:for each="{settings.images}" as="image">
						<f:image src="{image.url}" alt="{record.header}" width="435" />
					</f:for>
				</f:else>
			</f:if>
		</div>
		<div class="span3">
			<header>
				<p class="themeColored">{record.header}</p>
				<h2>{record.subheader}</h2>
			</header>
			<div class="textBlock">
				{record.bodytext -> f:format.html()}
			</div>
		</div>
	</div>
</f:section>

Hi
Thank you for the example. The TCA definition in ext_tables.php doesn't work for me. If I add a new textpic element, the "general" tab is empty