settingsform.java

用J2ME开发的卡片游戏

/**
 * 
 * 设置界面
 * 
 * 
 */

package card;

import javax.microedition.lcdui.*;

import card.stringtable.TextString;

public class SettingsForm extends Form implements CommandListener{

	Display display = null;
	MainMenuCanvas cvsMainMenu = null;
	Command cmdBack = null;
	Command cmdExit = null;
	
	private static ChoiceGroup cgSound = null;
	private static int iSoundSeleted;
	
	public SettingsForm(Display display, MainMenuCanvas cvsMainMenu) {
		super(TextString.getTxtSettingTitleString());
		this.display = display;
		this.cvsMainMenu = cvsMainMenu;
		
		cmdBack = new Command(TextString.getTxtCmdBackString(), Command.BACK, 1);
		cmdExit = new Command(TextString.getTxtCmdExitString(), Command.EXIT, 1);
		addCommand(cmdBack);
		addCommand(cmdExit);
		setCommandListener(this);
		
		cgSound = new ChoiceGroup(TextString.getTxtSoundOptionString(), ChoiceGroup.EXCLUSIVE);
		cgSound.append(TextString.getTxtSoundOnString(), null);
		cgSound.append(TextString.getTxtSoundOffString(), null);
		
		append(cgSound);		
		iSoundSeleted = 0;
	}
	
	 public void commandAction(Command c, Displayable d) { //退出和返回按键处理
	 	if (c == cmdBack) {
	 		display.setCurrent(cvsMainMenu);
	 		cvsMainMenu.init();
	 	}else if (c == cmdExit) {
	 		CardMainMIDlet.quitApp();
	 	}
	 }
	 
	 public static int getSoundOption() { //取得设置参数的静态方法
	 	if (cgSound != null) {
	 		iSoundSeleted = cgSound.getSelectedIndex();
	 	}
	 	return iSoundSeleted;
	 }
}