connectionmenu.java

一个不错的多媒体传输程序

/*
 * Movino J2ME Client
 * Copyright (C) 2007  Johannes Berg
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package org.movino.connection;

import java.io.IOException;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.TextField;
import javax.microedition.lcdui.Ticker;

import org.movino.Options;
import org.movino.Returnable;
import org.movino.Showable;

public class ConnectionMenu extends Returnable implements CommandListener{

	private static final String CONNECT_BLUETOOTH="Bluetooth";
	private static final String CONNECT_SOCKET="Internet";
	private static final String[] CONNECTION_MENU = new String[]{CONNECT_BLUETOOTH,CONNECT_SOCKET};

	private Command selectCommand;
	private Command backCommand;
	
	private List connectionMenu;
	
	private Form socketForm;
	
	private TextField serverAddress;
	private TextField serverPort;
	
	private Command connectCommand;
	private Command cancelCommand;
	
	public ConnectionMenu(){
	}
	
	public void show(Display display) {
		selectCommand = new Command("Select", Command.ITEM, 1);
		backCommand = new Command("Back", Command.BACK, 1);
		
		connectionMenu = new List("Connect",List.IMPLICIT,CONNECTION_MENU,null);
		connectionMenu.setCommandListener(this);
		connectionMenu.addCommand(backCommand);
		connectionMenu.setSelectCommand(selectCommand);
		
		socketForm = new Form("IP connect");
		socketForm.setCommandListener(this);
		connectCommand = new Command("Connect", Command.OK, 1);
		socketForm.addCommand(connectCommand);
		cancelCommand = new Command("Cancel", Command.CANCEL, 1);
		socketForm.addCommand(cancelCommand);
		
		serverAddress = new TextField("Address", Options.optionServer,100,TextField.URL);
		socketForm.append(serverAddress);
		serverPort = new TextField("Port", ""+MovinoConnection.DEFAULT_TCP_PORT,10,TextField.NUMERIC);
		socketForm.append(serverPort);
		
		display.setCurrent(connectionMenu);
	}
	
	public void reShow(Display display){
		display.setCurrent(connectionMenu);
	}

	public void commandAction(Command cmd, Displayable disp){
		if(disp==connectionMenu){
			if(cmd==selectCommand){
				int sel_index = connectionMenu.getSelectedIndex();
				String sel = CONNECTION_MENU[sel_index];
				if(sel==CONNECT_BLUETOOTH){
					try {
						Returnable s = (Returnable)Class.forName("org.movino.connection.BluetoothSearch").newInstance();
						s.show(getDisplay(), getReturnShowable());
					}
					catch(Throwable t){
						alert("Could not find bluetooth on this device");
					}
				}
				else if(sel==CONNECT_SOCKET){
					getDisplay().setCurrent(socketForm);
				}
			}
			else if(cmd==backCommand){
				returnBack();
			}
		}
		else if(disp==socketForm){
			if(cmd==connectCommand){
				try {
					Options.optionServer = serverAddress.getString();
					ConnectionDialog cd = new ConnectionDialog(new SocketConnection(serverAddress.getString(),Integer.parseInt(serverPort.getString())));
					cd.show(getDisplay(), getReturnShowable());
				} catch (NumberFormatException e) {
					alert("Port must be numeric");
				}
			}
			else if(cmd==cancelCommand){
				getDisplay().setCurrent(connectionMenu);
			}
		}
	}
}