<?php
/**
 * Copyright 2009, 2010 AEGEE-Europe
 *
 * This file is part of AEGEE-Europe Online Membership System.
 *
 * AEGEE-Europe Online Membership System is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 *
 * AEGEE-Europe Online Membership System is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with AEGEE-Europe Online Membership System.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

/**
 * Interface of list column
 */
interface IColumn {
	/**
	 * Get the name of the column (must be unique)
	 *
	 * @return string name of the column
	 */
	public function getName();

	/**
	 * Get the header of the column
	 *
	 * @return string header value
	 */
	public function getHeader();

	/**
	 * Get the cell value
	 *
	 * @param int row number, starting at 0
	 * @param array containing all values of the row
	 * @return string cell value
	 */
	public function getCellValue($rowNum, $row);

	/**
	 * Is the column sortable?
	 * 
	 * @return boolean true if sortable, false if not sortable
	 */
	public function isSortable();
}
?>