cancelpanel.java

This project developed in java leads us to realize a flight reservation system in order to emulate d

/*
 * CancelPanel.java
 * The package panels contains the different class executing the different windows of each function of the FlightSystem Reservation.
 */
package reservation.system.panels;

import reservation.system.FlightSystem;
import reservation.system.Person;
import reservation.system.functions.Functions;
import reservation.system.functions.Cancel;
import reservation.CustomDialog;

import javax.swing.*;
import java.awt.event.*;
import java.awt.Dimension;
import java.util.StringTokenizer;
import java.util.Vector;

/**
 * This class hold Cancel structure. This object allows to cancel a reservation for different person or for a whole of person by calling the methods <CODE>cancel</CODE> in {@link reservation.system.FlightSystem}.
 * @author Texier Mathieu and Frederic Bidon
 * It use a GUI that contains a form with the several field to fill.
 */
public class CancelPanel extends Panels {
    
    /** Creates new form CancelPanel */
    public CancelPanel () {
        action = new Cancel ();
        
        bookingLabel = new JLabel ();
        bookingInput = new JTextField ();
        identifyButton = new JButton ();
        passengerLabel = new JLabel ();
        passengerList = new JList ();
        passengerListScroll = new JScrollPane ();
        
        bookingLabel.setText ("Enter");
        add (bookingLabel);
        
        bookingInput.setText ("booking number");
        bookingInput.addMouseListener (new MouseAdapter () {
            public void mouseEntered (MouseEvent evt) {
                bookingInput.setText ("");
            }
        });
        add (bookingInput);
        
        identifyButton.setText ("Identify");
        identifyButton.addActionListener (new ActionListener () {
            public void actionPerformed (ActionEvent evt) {
                identifyAction (evt);
            }
        });
        add (identifyButton);
        
        passengerLabel.setText ("Passenger");
        add (passengerLabel);
        
        passengerListScroll.setViewportView (passengerList);
        add (passengerListScroll);
    }
    
   /**
    * Create the button of validation to search the bookingNumber given by the user in the database.
    * @throws Exception if the command is not executed.
    */    
    private void identifyAction(ActionEvent evt) {
        try {
            String bookingString = bookingInput.getText ();
            if (!bookingString.equals (""))
                if (Functions.checkInteger (bookingString,1,fs.getBookingNumberMax ())) {
                    int bookingNumber = Integer.parseInt (bookingString);
                    Vector groupePersonVector = fs.identify (bookingNumber);
                    int groupePersonSize = groupePersonVector.size ();
                    String listData[] = new String[groupePersonSize];
                    for (int i=0; i< groupePersonSize; i++) {
                        listData[i] = ((Person) groupePersonVector.get (i)).getPersonName ();
                    }
                    passengerList.setListData (listData);
                }
        } catch (Exception e) {
            CustomDialog.alert (e);
        }
    }
  
  /**
   * Causes this container to lay out its components. 
   */
    public void doLayout () {
        bookingLabel.setBounds (20, 20, 40, 20);
        bookingInput.setBounds (110, 20, 90, 20);
        identifyButton.setBounds (210, 20, 70, 20);
        passengerLabel.setBounds (20, 60, 80, 20);
        passengerList.setBounds (110, 60, 170, 60);
        passengerListScroll.setBounds (110, 60, 170, 60);
    }
  
    /**
     * Set the size of the panel
     * @return an instance of Dimension that represents the minimum size of this container.
     */
    public Dimension getMinimumSize () {
        return new Dimension (320,140);
    }
  
    /**
     * Set the size of the panel
     * @return an instance of Dimension that represents the preferred size of this container.
     */
    public Dimension getPreferredSize () {
        return new Dimension (320,140);
    }
    
    /**
     * Initialize the number of the field and fill them with default values.
     * Dispaly the label of the Window. 
     */
    public void init () {
    }
    
    /**
     * Proceed the execution of the action
     * @return the result of the request.
     * @param unUsed Not used
     * @throws Exception if the command is not executed.
     */
    public String execute (String[] unUsed) throws Exception {
        Object selectedPassenger[] = passengerList.getSelectedValues ();
        String argv[] = new String[selectedPassenger.length + 1];
        argv[0] = bookingInput.getText ();
        System.arraycopy ( selectedPassenger, 0, argv, 1, selectedPassenger.length );
        return action.execute ( argv );
    }
    
    private JTextField bookingInput;
    private JLabel bookingLabel;
    private JButton identifyButton;
    private JLabel passengerLabel;
    private JList passengerList;
    private JScrollPane passengerListScroll;
}