Plan::replaceThis

public function replaceThis($part)
{
	/** @var ToDo $op */
	foreach($this->values as $op)
	{
		$action = $op->getAction();
		if(mb_strpos('this.', $action) == 0)
		{
			$op->setAction(preg_replace('#^s*this.#', $part.'.', $action));
		}
	}
}