Neos Package.php - prepopulate content collection

gistfile1.php

<?php
namespace TYPO3\Neos\NodeTypes;

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

use TYPO3\Flow\Package\Package as BasePackage;
use TYPO3\TYPO3CR\Domain\Model\NodeInterface;

/**
 * The TYPO3 Neos Package
 */
class Package extends BasePackage {

	/**
	 * @param \TYPO3\Flow\Core\Bootstrap $bootstrap The current bootstrap
	 * @return void
	 */
	public function boot(\TYPO3\Flow\Core\Bootstrap $bootstrap) {
		$dispatcher = $bootstrap->getSignalSlotDispatcher();

		$dispatcher->connect('TYPO3\TYPO3CR\Domain\Model\Node', 'nodeAdded', function(NodeInterface $node) use($bootstrap) {

			// if we currently created ContentCollection "column0" inside parent "TwoColumn" ...
			if ($node->getNodeType()->getName() === 'TYPO3.Neos:ContentCollection'
				&& $node->getParent()->getNodeType()->getName() === 'TYPO3.Neos.NodeTypes:TwoColumn'
				&& $node->getName() === 'column0') {
				
				// ... then we check whether the defaultImage was created ...
				$defaultImage = $node->getNode('defaultImage');
				if ($defaultImage === NULL) {
					// ... and if not, create it.
					/* @var $nodeTypeManager \TYPO3\TYPO3CR\Domain\Service\NodeTypeManager */
					$nodeTypeManager = $bootstrap->getObjectManager()->get('TYPO3\TYPO3CR\Domain\Service\NodeTypeManager');
					$node->createNode('defaultImage', $nodeTypeManager->getNodeType('TYPO3.Neos.NodeTypes:Image'));
				}
			}
		});
	}

}