/** Handles all button events and updates the view. */
public void actionPerformed(ActionEvent e) {
searchMetrics = null;
if (e == null || e.getSource() == clearButton) {
currState = game.getInitialState();
} else if (!game.isTerminal(currState)) {
if (e.getSource() == proposeButton) {
proposeMove();
} else if (e.getSource() instanceof GridElement) {
GridElement el = (GridElement) e.getSource();
currState = game.getResult(currState, el.col); // take next
// turn
}
}
repaint(); // paint all disks!
updateStatus();
}
/** Updates the status bar. */
private void updateStatus() {
String statusText;
if (!game.isTerminal(currState)) {
String toMove = (String) game.getPlayer(currState);
statusText = "Next move: " + toMove;
statusBar.setForeground(toMove.equals("red") ? Color.RED : Color.YELLOW);
} else {
String winner = null;
for (int i = 0; i < 2; i++)
if (game.getUtility(currState, game.getPlayers()[i]) == 1) winner = game.getPlayers()[i];
if (winner != null) statusText = "Color " + winner + " has won. Congratulations!";
else statusText = "No winner :-(";
statusBar.setForeground(Color.WHITE);
}
if (searchMetrics != null) statusText += " " + searchMetrics;
statusBar.setText(statusText);
}