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

package flight.org.uk;

import java.util.Date;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 *
 * @author  William
 * @version
 */
public class flightTime extends MIDlet implements CommandListener{
    
    //define form
    private Form flightForm;
    private Form answerForm;
    
    //define stringItems
    StringItem flightFormTitle;
    StringItem flightFormDetails;
    StringItem answer;
    
    //define Datefields
    DateField departureTime;
    DateField ariavlTime;
    
    //Define commands
    Command calcCmd;
    Command extCmd;
    
    //others
    long calcAnswer;
     public Form setupFlightForm(){
         
         //create items
         //create form
         flightForm = new Form("Flight Form");
         
        //create string items
         flightFormTitle = new StringItem(null, "Flight arivial Calculation times");
         flightFormDetails = new StringItem(null,"Please enter the departure time and arivial time, Then press the calculate button");
         answer = new StringItem(null, "Answer :" + this.calcAnswer);
         
         //create datefeilds
         departureTime = new DateField(null, DateField.TIME);
         ariavlTime = new DateField(null, DateField.TIME);
         
         //create commands
         calcCmd = new Command("Calculate", Command.OK,0);
         extCmd = new Command("Exit", Command.EXIT,0);
         
         //set listener
         flightForm.setCommandListener(this);
         
         flightForm.append(flightFormTitle);
         flightForm.append(flightFormDetails);
         
         flightForm.append(departureTime);
         flightForm.append(ariavlTime);
         
         flightForm.append(answer);
         
         flightForm.addCommand(extCmd);
         flightForm.addCommand(calcCmd);
         
        //return form
        return flightForm;
    }
     
     /**
     *commandAction
     */
    public void commandAction(Command c, Displayable s){
       if (s == flightForm){
            if(c.getCommandType() == Command.EXIT){
                notifyDestroyed();
            }
        if (s == flightForm){
            if(c.getCommandType() == Command.OK){
                 calcAnswer = ariavlTime.getDate().getTime() - departureTime.getDate().getTime() ;
            }
        }
    }            
    }
    
    public void startApp() {
        
        //create forms
        flightForm = this.setupFlightForm();        
        
        //set display 
        Display.getDisplay(this).setCurrent(flightForm);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
}