package Tetris;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class TetrisMIDlet extends MIDlet implements CommandListener{
Display display;
TetrisGameCanvas tetrisGame;
Command newCommand = new Command("New Game", Command.SCREEN, 1);
Command levelCommand = new Command("Level", Command.SCREEN, 2);
Command changeCommand = new Command("Change", Command.OK, 1);
Command cancelCommand = new Command("Cancel", Command.CANCEL, 2);
Command exitCommand = new Command("Exit", Command.EXIT, 3);
public TetrisMIDlet() {
display = Display.getDisplay(this);
if (tetrisGame == null) {
tetrisGame = new TetrisGameCanvas();
}
tetrisGame.addCommand(newCommand);
tetrisGame.addCommand(levelCommand);
tetrisGame.addCommand(exitCommand);
tetrisGame.setCommandListener(this);
}
/**
* 应用程序开始运行
* @throws javax.microedition.midlet.MIDletStateChangeException
*/
protected void startApp() throws javax.microedition.midlet.MIDletStateChangeException {
/**@todo Implement this javax.microedition.midlet.MIDlet abstract method*/
display.setCurrent(tetrisGame);
try {
Thread thread = new Thread(tetrisGame);
thread.start();
} catch(Error error) {
destroyApp(false);
notifyDestroyed();
}
}
/**
* 开始游戏等菜单命令的处理
* @param command
* @param displayable
*/
public void commandAction(Command command, Displayable displayable) {
if (command == newCommand) {
tetrisGame.newGame();
}
else if (command == levelCommand) {
/* Item [] levelItem = {new Gauge("Level", true, 400, tetrisGame.getLevel())};
Form form = new Form("Change Level", levelItem);
form.addCommand(changeCommand);
form.addCommand(cancelCommand);
form.setCommandListener(this);
display.setCurrent(form);
*/
tetrisGame.pauseGame();
Form form = new Form("Change Level");
ChoiceGroup cg = new ChoiceGroup("Level", Choice.EXCLUSIVE);
for (int i = 1; i <= 10; i++) {
cg.append("Level " + String.valueOf(i), null);
}
cg.setSelectedIndex(10 - tetrisGame.getLevel() / 35, true);
form.append(cg);
form.addCommand(changeCommand);
form.addCommand(cancelCommand);
form.setCommandListener(this);
display.setCurrent(form);
}
else if (command == exitCommand) {
tetrisGame.exit();
destroyApp(false);
notifyDestroyed();
}
else if (command == changeCommand) {
Form form = (Form)displayable;
ChoiceGroup cg = (ChoiceGroup)form.get(0);
tetrisGame.setLevel(350 - cg.getSelectedIndex() * 35);
tetrisGame.resumeGame();
display.setCurrent(tetrisGame);
/* Form form = (Form)displayable;
Gauge gauge = (Gauge)form.get(0);
tetrisGame.setLevel(gauge.getValue());
display.setCurrent(tetrisGame);
*/
}
else if (command == cancelCommand) {
display.setCurrent(tetrisGame);
}
}
protected void pauseApp() {
/**@todo Implement this javax.microedition.midlet.MIDlet abstract method*/
// tetrisGame.pauseGame();
}
protected void destroyApp(boolean parm1) {
/**@todo Implement this javax.microedition.midlet.MIDlet abstract method*/
display.setCurrent(null);
System.gc();
}
}
