Chooser.java
资源名称:J2ME&Game.rar [点击查看]
上传用户:gyyuli
上传日期:2013-07-09
资源大小:3050k
文件大小:3k
源码类别:
J2ME
开发平台:
Java
- package ColorDemo;
- import javax.microedition.midlet.*;
- import javax.microedition.lcdui.*;
- public class Chooser extends MIDlet implements CommandListener {
- private Display display; // Our display
- private FontChooser fonts;
- private TextSample sample;
- private ColorChooser colors;
- private Command exitCommand =
- new Command("Exit", Command.EXIT, 1);
- private Command textColorCommand =
- new Command("Text Color", Command.SCREEN, 3);
- private Command backgroundColorCommand =
- new Command("Background Color", Command.SCREEN, 4);
- private Command fontsCommand =
- new Command("Fonts", Command.SCREEN, 11);
- private Command okCommand =
- new Command("Ok", Command.SCREEN, 2);
- private Command okFgCommand =
- new Command("Ok", Command.SCREEN, 2);
- private Command okBgCommand =
- new Command("Ok", Command.SCREEN, 2);
- public Chooser() {
- display = Display.getDisplay(this);
- sample = new TextSample();
- sample.addCommand(exitCommand);
- sample.addCommand(textColorCommand);
- sample.addCommand(backgroundColorCommand);
- sample.addCommand(fontsCommand);
- sample.setCommandListener(this);
- }
- /**
- * Create the FontChooser and make it current
- */
- public void startApp() {
- display.setCurrent(sample);
- }
- /**
- * Pause
- */
- public void pauseApp() {
- }
- /**
- * Destroy must cleanup everything.
- */
- public void destroyApp(boolean unconditional) {
- }
- /*
- * Respond to a commands issued on any Screen
- */
- public void commandAction(Command c, Displayable s) {
- if (c == exitCommand) {
- destroyApp(true);
- notifyDestroyed();
- } else if (c == fontsCommand) {
- if (fonts == null) {
- fonts = new FontChooser();
- fonts.setFace(sample.getFace());
- fonts.setStyle(sample.getStyle());
- fonts.setSize(sample.getSize());
- fonts.addCommand(okCommand);
- fonts.setCommandListener(this);
- }
- display.setCurrent(fonts);
- } else if (c == backgroundColorCommand) {
- if (colors == null) {
- colors = new ColorChooser(display.isColor(),
- display.numColors());
- colors.setCommandListener(this);
- }
- colors.addCommand(okBgCommand);
- colors.removeCommand(okFgCommand);
- colors.setColor(sample.getBackgroundColor());
- display.setCurrent(colors);
- } else if (c == textColorCommand) {
- if (colors == null) {
- colors = new ColorChooser(display.isColor(),
- display.numColors());
- colors.setCommandListener(this);
- }
- colors.removeCommand(okBgCommand);
- colors.setColor(sample.getForegroundColor());
- display.setCurrent(colors);
- } else if (c == okCommand) {
- if (s == fonts) {
- sample.setStyle(fonts.getStyle());
- sample.setFace(fonts.getFace());
- sample.setSize(fonts.getSize());
- }
- display.setCurrent(sample);
- } else if (c == okFgCommand) {
- sample.setForegroundColor(colors.getColor());
- display.setCurrent(sample);
- } else if (c == okBgCommand) {
- sample.setBackgroundColor(colors.getColor());
- display.setCurrent(sample);
- }
- }
- }