/*
Copyright 2008, 2009 Sebastiano Tronto <sebastiano@luganega.org>

This file is part of Robottino.

    Robottino 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 2 of the License, or
    (at your option) any later version.

    Robottino 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 Robottino; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

*/

import javax.swing.JOptionPane;

public class List {
	public static Main main = new Main();
	public Robot primoRobot, ultimoRobot;
	public List() {
		primoRobot = ultimoRobot = null;
	}
	public boolean vuota() {
		return primoRobot == null;
	}
	public Robot getRobot( String nome ) {
		Robot i = primoRobot;
		for ( ; !i.nomeRobot.equals( nome ); i = i.prossimoRobot ) ;
		return i;
	}
	public void newRobot() {
		newRobot( false, false, false, false, "" );
	}
	public void newRobot( String nome ) {
		newRobot( false, false, false, false, nome );
	}
	public void newRobot( boolean la, boolean ra, boolean ll, boolean rl, String nome ) {
		if ( vuota() )
			primoRobot = ultimoRobot = new Robot( la, ra, ll, rl, nome, null, null );
		else {
			ultimoRobot = new Robot( la, ra, ll, rl, nome, ultimoRobot, null );
			ultimoRobot.precedenteRobot.prossimoRobot = ultimoRobot;
		}
	}
	public void deleteRobot( String nome ) {
		if ( vuota() )
			JOptionPane.showMessageDialog( main.frame, "Nessun robottino presente. Impossibile cancellarne uno", "Robottino v4.0 - Errore", JOptionPane.ERROR_MESSAGE );
		else {
			Robot i = primoRobot;
			for ( ; !i.nomeRobot.equals( nome ); i = i.prossimoRobot ) ;
			if ( i.precedenteRobot != null )
				i.precedenteRobot.prossimoRobot = i.prossimoRobot;
			else
				primoRobot = i.prossimoRobot;
			if ( i.prossimoRobot != null )
				i.prossimoRobot.precedenteRobot = i.precedenteRobot;
			else
				ultimoRobot = i.precedenteRobot;
		}
	}
	public void printList() {
		String lista = "";
		for ( Robot i = primoRobot; i != null; i = i.prossimoRobot )
			lista += i.getName() + " ";
		JOptionPane.showMessageDialog( main.frame, lista, "Robottino v4.0 - Robottini Presenti", JOptionPane.PLAIN_MESSAGE );
	}
}