/*
 * flightTime.java
 *
 * Created on 15 February 2007, 11:09
 */

package flight.org.uk;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 *
 * @author  William
 * @version
 */
public class flightTime extends MIDlet implements CommandListener{
    
    //define forms
    private Form welcomeForm;
    private Form flightForm;
    private Form answerForm;
    
    //define stringItems
    StringItem welcomeMessage;
    StringItem flightFormTitle;
    StringItem flightFormDetails;
    StringItem answerFormTitle;
    StringItem answerFormAnswer;
    
    //define text fields
    DateField DepartureTime;
    DateField arriavlTime;
    
    //Define commands
    Command nxtCmd;
    Command bckCmd;
    Command extCmd;
    
    public Form setupWelcomeForm(){
        //create items
        welcomeForm = new Form("Welcome Form");
        welcomeMessage = new StringItem(" ", "Welcome To The Flight Calculaton Mobile Application \n \n Please press next");
        nxtCmd = new Command("Next", Command.OK, 0);
        
         //set listner(s)
        welcomeForm.setCommandListener(this);
        
        //add items to form
        welcomeForm.append(welcomeMessage);
        welcomeForm.addCommand(nxtCmd);
        
        //return form
        return welcomeForm;
    }
    
     public Form setupFlightForm(){
        //create items
        flightForm = new Form("Flight Form");
        flightFormTitle = new StringItem("Flight Form", null);
        flightFormDetails = new StringItem("", " Please enter your details below");
        DateField DepartureTime = new DateField("Depart ", 2, null);
        DateField arriavlTime = new DateField("Arival ", 2, null);
        long answer1 = arriavlTime.getDate().getTime() - DepartureTime.getDate().getTime() ;
        StringItem answer = new StringItem("Answer :", " " + answer1);
        nxtCmd = new Command("Calculate", Command.OK, 0);
        bckCmd = new Command("Back", Command.BACK, 0);
         //set listner(s)
        flightForm.setCommandListener(this);
        
        //add items to form
        flightForm.append(flightFormTitle);
        flightForm.append(flightFormDetails);
        flightForm.append(DepartureTime);
        flightForm.append(arriavlTime);
        flightForm.append(answer);
        flightForm.addCommand(nxtCmd);
        flightForm.addCommand(bckCmd);
        
        //return form
        return flightForm;
    }
     
     /**
     *commandAction
     */
    public void commandAction(Command c, Displayable s){
        if (s == welcomeForm){
            if(c.getCommandType() == Command.OK){
                Display.getDisplay(this).setCurrent(flightForm);
            }
        }
        else if (s == flightForm){
            if(c.getCommandType() == Command.BACK){
                Display.getDisplay(this).setCurrent(welcomeForm);
            }
        if (s == flightForm){
            if(c.getCommandType() == Command.OK){
                
                Display.getDisplay(this).setCurrent(answerForm);
            }
        }
    }            
    }
    
    public void startApp() {
        welcomeForm = this.setupWelcomeForm();
        flightForm = this.setupFlightForm();        
        
        Display.getDisplay(this).setCurrent(welcomeForm);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
}