reservepanel.java

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

/*
 * ReservePanel.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.functions.Reserve;
import reservation.CustomDialog;

import javax.swing.*;
import java.awt.event.*;
import java.awt.Dimension;

/**
 * This class hold Reserve structure. This object allows to reserve to one flight one or many persons by calling the method <CODE>reserve</CODE> in {@link reservation.system.FlightSystem}.
 * It use a GUI that contains a form with the several field to fill.
 * @author Texier Mathieu and Frederic Bidon
 */
public class ReservePanel extends Panels {
    
    /** Creates new form ReservePanel */
    public ReservePanel () {
        action = new Reserve ();
        
        selectLabel = new JLabel ();
        flightSelect = new JComboBox ();
        passengerLabel = new JLabel ();
        nameSelect = new JComboBox ();
        addButton = new JButton ();
        selectLabel.setText ("Select");
        add (selectLabel);
        
        flightSelect.setMaximumSize (new Dimension (100, 20));
        add (flightSelect);
        
        passengerLabel.setText ("Passenger");
        add (passengerLabel);
        
        nameSelect.setEditable (true);
        add (nameSelect);
        
        addButton.setText ("Add");
        add (addButton);
        addButton.addActionListener (new ActionListener () {
            public void actionPerformed (ActionEvent evt) {
                nameSelect.addItem ( nameSelect.getSelectedItem ());
                nameSelect.getEditor ().setItem ("");
            }
        });
    }
    
    /**
     * Initialize the number of the field and fill them with default values.
     * Dispaly the label of the Window.
     */
    public void init () {
        try {
            String [] retValue = fs.getFlightList ();
            if (retValue != null) {
                for (int i=0;i< retValue.length;i++) {
                    flightSelect.addItem (retValue[i]);
                }
            }
        } catch (Exception e) {
            CustomDialog.alert (e);
        }
    }
    
    /**
     * Causes this container to lay out its components.
     */
    public void doLayout () {
        selectLabel.setBounds (20, 20, 40, 20);
        flightSelect.setBounds (110, 20, 140, 20);
        passengerLabel.setBounds (20, 60, 80, 20);
        nameSelect.setBounds (110, 60, 70, 20);
        addButton.setBounds (190, 60, 60, 20);
    }
    
    /**
     * 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 (300,100);
    }
    
    /**
     * 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 (300,100);
    }
    
    /**
     * 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 {
        int itemNumber = nameSelect.getItemCount ();
        String arg[] = new String[itemNumber+1];
        arg[0] = (String) flightSelect.getSelectedItem ();
        for (int i=0;i<itemNumber;i++) {
            arg[i+1] = (String) nameSelect.getItemAt (i);
        }
        return action.execute (arg);
    }
    
    private JButton addButton;
    private JComboBox flightSelect;
    private JComboBox nameSelect;
    private JLabel passengerLabel;
    private JLabel selectLabel;
}