<?php
	/**
	 * Copyright 2000, 2001, 2002 Philipp von Klitzing
	 * Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Wim van Ravesteijn
	 *
	 * This file is part of AEGEE-Europe Statutory Event Applications.
	 *
	 * AEGEE-Europe Statutory Event Applications 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 Statutory Event Applications 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 Statutory Event Applications.  If not, see
	 * <http://www.gnu.org/licenses/>.
	 */
	abstract class Persons {
		const ACCESS_RW = 2;
		const ACCESS_R = 1;
		const ACCESS_NO = 0;
	
		protected $name;
		protected $compulsory = false;

		abstract public function __construct($dummy=0);

		public function __destruct() {
			// Destructor
		}

		abstract public function get_print_name();
		abstract public function get_print_name_short();
		
		public function get_compulsory() {
			return $this->compulsory;
		}

		public function get_access($dummy=0) {
			if( in_array("application_viewdetail", $_SESSION['sess_functions']) ) return self::ACCESS_R;
			else return self::ACCESS_NO;
		}

		// Return the value to be shown on screen
		public function display($value, $PersonID=0, &$allvalues="") {
			return $value;
		}

		// Return the value to be shown on screen (text only)
		public function displaytext($value, $PersonID=0, &$allvalues="") {
			return $this->display($value, $PersonID, $allvalues);
		}

		// Return the value for the title element (mouse over)
		public function displaytitle($value) {
			return "";
		}

		public function displayoptions($personID=0) {
			return "";
		}

		public function sql_columnname() {
			return "`persons`.`".$this->name."`";
		}

		public function is_sqlcolumn() {
			return true;
		}
	}
?>