package bingo.game;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import bingo.shared.Constants;import bingo.shared.Utilities;public class ControlPane extends JPanel			 implements ActionListener,				    FocusListener {    protected static final String go = 	"Let the Games Begin";    protected static final String stop = 	"No More New Games";    protected static final String delayString = 	"Pause between balls (in seconds):";    protected static final String countDownString = 	"Countdown (in seconds):";    protected static final String maxPlayersString = 	"Maximum number of players:";    protected static final String maxCardsString = 	"Maximum number of cards per player:";    protected static final String hostLabelString = 	"This server's hostname:";    // PENDING: should these number things be sliders to reduce risk of typos?    protected JTextField delayField;    protected JTextField countDownField;    protected JTextField maxPlayersField;    protected JTextField maxCardsField;    protected JButton goButton;    protected JButton stopButton;    private RingMaster ringMaster;    private GameParameters gameParameters;    public ControlPane(String hostname, RingMaster ringMaster) {	super(false);	this.ringMaster = ringMaster;	this.gameParameters = ringMaster.getGameParameters();	    // create the properties fields        JLabel delayLabel = new JLabel(delayString, JLabel.RIGHT);        delayField = new JTextField(new	    Long(gameParameters.getDelay()/Constants.ONE_SECOND).toString());        delayField.setActionCommand(delayString);        JLabel countDownLabel = new JLabel(countDownString, JLabel.RIGHT);        countDownField = new JTextField(new 	    Long(gameParameters.getCountDown()/Constants.ONE_SECOND).toString());        countDownField.setActionCommand(countDownString);        JLabel maxPlayersLabel = new JLabel(maxPlayersString, JLabel.RIGHT);        maxPlayersField = new JTextField(new 	    Integer(gameParameters.getMaxPlayers()).toString());        maxPlayersField.setActionCommand(maxPlayersString);        JLabel maxCardsLabel = new JLabel(maxCardsString, JLabel.RIGHT);        maxCardsField = new JTextField(new	    Integer(gameParameters.getMaxCards()).toString());        maxCardsField.setActionCommand(maxCardsString);        JLabel hostLabel = new JLabel(hostLabelString, JLabel.RIGHT);        JLabel hostNameLabel = new JLabel(hostname);	    // create the go and stop buttons        goButton = new JButton(go);	goButton.setMnemonic('g');	goButton.setActionCommand(go);        stopButton = new JButton(stop);	stopButton.setMnemonic('s');	stopButton.setActionCommand(stop);	stopButton.setEnabled(false);            // Register the listeners        delayField.addActionListener(this);        delayField.addFocusListener(this);        countDownField.addActionListener(this);        countDownField.addFocusListener(this);        maxPlayersField.addActionListener(this);        maxPlayersField.addFocusListener(this);        maxCardsField.addActionListener(this);        maxCardsField.addFocusListener(this);	goButton.addActionListener(this);	stopButton.addActionListener(this);	    // Do the layout.	JPanel parameterPane = new JPanel(false);	parameterPane.setBorder(BorderFactory.createTitledBorder(				  BINGO.controlPaneTitle));	GridBagLayout gridbag = new GridBagLayout();	parameterPane.setLayout(gridbag);	    // many rows	Utilities.addParameterRow(parameterPane,				  delayLabel,				  delayField);	Utilities.addParameterRow(parameterPane,				  countDownLabel,				  countDownField);	Utilities.addParameterRow(parameterPane,				  maxPlayersLabel,				  maxPlayersField);	Utilities.addParameterRow(parameterPane,				  maxCardsLabel,				  maxCardsField);	Utilities.addParameterRow(parameterPane,				  hostLabel,				  hostNameLabel);	JComponent[] compList = new JComponent[2];	compList[0] = goButton;	compList[1] = stopButton;	Box buttonBox = Utilities.makeEvenlySpacedBox(compList);	setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));	add(parameterPane);	add(Box.createRigidArea(new Dimension(20, 20)));	add(buttonBox);	add(Box.createRigidArea(new Dimension(20, 20)));    }    private GamesThread gamesThread = null;    public void focusLost(FocusEvent e) {	//when a field loses the focus, generate an action event	JTextField source;	ActionEvent event;	source = (JTextField)(e.getComponent());	source.postActionEvent();	//event = new ActionEvent(source,				//ActionEvent.ACTION_PERFORMED,				//source.getCommand());	//actionPerformed(new 	//ACK!  There's no JTextField getActionCommand or performAction!	//is postActionEvent the same as the latter?    }    public void focusGained(FocusEvent e) {    }    public void actionPerformed(ActionEvent e) {        if (e.getActionCommand() == go) {	    if (gamesThread == null) {	        gamesThread = new GamesThread(ringMaster);	        gamesThread.start();	        goButton.setEnabled(false);	        stopButton.setEnabled(true);	    }        } else if (e.getActionCommand() == stop) {	    if (gamesThread != null) {	        gamesThread.noMoreGames();	        gamesThread = null;	        stopButton.setEnabled(false);	        goButton.setEnabled(false);	    }        } else if (e.getActionCommand() == delayString) {	    gameParameters.setDelay((Long.parseLong(delayField.getText()))*Constants.ONE_SECOND);        } else if (e.getActionCommand() == countDownString) {	    gameParameters.setCountDown((Long.parseLong(countDownField.getText()))*Constants.ONE_SECOND);        } else if (e.getActionCommand() == maxPlayersString) {	    gameParameters.setMaxPlayers(Integer.parseInt(maxPlayersField.getText()));        } else if (e.getActionCommand() == maxCardsString) {	    gameParameters.setMaxCards(Integer.parseInt(maxCardsField.getText()));        }    }    public Dimension getMaximumSize() {	Dimension d = getPreferredSize();	d.width = Short.MAX_VALUE;	return d;    }}