/*
 * SendMessageUI.java
 *
 * Created on 2006年4月30日, 下午12:26
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.j2medev.chapter6;

import java.io.*;
import javax.microedition.io.Connector;
import javax.microedition.lcdui.*;
import javax.wireless.messaging.*;

public class SendMessageUI extends Form implements CommandListener,Runnable {
    
    private MessageMIDlet midlet = null;
    private TextField address = null;
    private TextField message = null;
    private String number = "";//收信人號碼
    private String content = "";//短信內容
    public static final Command sendCommand = new Command("send",Command.OK,1);
    public static final Command backCommand = new Command("back",Command.BACK,2);
    
    public SendMessageUI(MessageMIDlet midlet) {
        super("send message");
        this.midlet = midlet;
        address = new TextField("receiver", "", 20, TextField.PHONENUMBER);
        message = new TextField("content", "", 140, TextField.ANY);
        this.append(address);
        this.append(message);
        this.addCommand(sendCommand);
        this.addCommand(backCommand);
        this.setCommandListener(this);
    }
    public void clean(){
        //清除收信人和短信內容文本框的內容
        address.setString("");
        message.setString("");
    }
    public void commandAction(Command cmd,Displayable displayable){
        if(cmd == backCommand){
           midlet.setMainUI();
        }else if(cmd == sendCommand){
            //啟動發送短消息的線程
            number = address.getString();
            content = message.getString();
            new Thread(this).start();
        }
    }
    
    public void run(){
        String address = "sms://"+number+":"+midlet.getAppProperty("port");
        MessageConnection mconn = null;
        try{
            //建立客戶端模式的MessageConnection，讀者應該在這里添加一個等待界面
            mconn = (MessageConnection)Connector.open(address);
            TextMessage tm = (TextMessage)mconn.newMessage(MessageConnection.TEXT_MESSAGE);
            //設置消息地址和文本數據
            tm.setAddress(address);
            tm.setPayloadText(content);
            //發送消息
            mconn.send(tm);
            mconn.close();
            midlet.displaySuccess("the message has been sent to "+number);
        }catch(Exception ex){
            ex.printStackTrace();
           midlet.displayMessage(ex.getMessage(),this,AlertType.ERROR,"Failed");
        }
    }
}