sminnee / silverstripe-framework

	 * @return int Position in children collection (first position starts with 0). Returns FALSE if the field can't

	 *             be found.

	 */

	public function fieldPosition($field) {

		if(is_string($field)) $field = $this->fieldByName($field);

		if(!$field) return false;

		$i = 0;

		foreach($this->children as $child) {

			if($child->getName() == $field->getName()) return $i;

			$i++;

		}

		return false;

	}

	/**

	 * Transform the named field into a readonly feld.

	 * @return int Position in children collection (first position starts with 0). Returns FALSE if the field can't

	 *             be found.

	 */

	public function fieldPosition($field) {

		if(is_object($field)) $field = $field->getName();

		$i = 0;

		foreach($this->dataFields() as $child) {

			if($child->getName() == $field) return $i;

			$i++;

		}

		return false;

	}

	/**

	 * Ordered list of regular expressions