public function appendColumnSizesToPalette($dc)
	{
		$model = ColumnsetModel::findByPk($dc->id);
		$sizes = array_merge(deserialize($model->sizes, true));

		foreach($sizes as $size)
		{
			$field = 'columnset_' . $size;

			\MetaPalettes::appendFields('tl_columnset', 'columnset', array($field));
		}
	}