jremform.java

来自「JRemoteControl is a simple Java&#8482 dr」· Java 代码 · 共 72 行

/*
 * JRemCntl - Copyright (C) 2007 Filippo Di Vattimo <[e-mail]>
 * See COPYING
 */

package fildiv.jremcntl.client.core;

import java.util.Vector;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Form;

public class JRemForm extends Form {

	private Vector commands;
	public JRemForm(String name) {
		super(name);
		
		commands = new Vector();
	}
	
	public void addCommand(Command c) {
		super.addCommand(c);
		
		if (existsCommand(c))
			return;
		
		commands.addElement(c);
	}

	private boolean existsCommand(Command c) {

		for (int index = 0; index < commands.size(); ++index) {
			Command cmd = (Command) commands.elementAt(index);
			
			if (cmd.equals(c))
				return true;
		}
		
		return false;
	}
	
	public void removeCommand(Command c) {
		
		super.removeCommand(c);
		commands.removeElement(c);
	}
	
	public Vector getCommands() {
		return commands;
	}

	public void cancelCommands() {
		
		for (int index = 0; index < commands.size(); ++index) {

			Command c = (Command) commands.elementAt(index);
			
			super.removeCommand(c);
		}		
	}
	
	public void restoreCommands() {

		for (int index = 0; index < commands.size(); ++index) {

			Command c = (Command) commands.elementAt(index);
			super.addCommand(c);
		}
	}
}