public function fieldTypesToFilter($arrFields) {
		foreach ($arrFields as $key => &$properties) {
			if (isset($properties['filter']) ||
				!isset($properties['type']) ||
				!isset($this->typesToFilter[$properties['type']]) )
				continue;

			$properties = $properties + $this->typesToFilter[$properties['type']];
		}

		return $arrFields;
	}