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servationlist1) {         this.reservationlist1 = reservatio

servationlist1) {         this.reservationlist1 = reservatio

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please allow the  buttons to sort properly the sortByname, sortbywaittime and capacity to all sort please

   
// Constructor that takes a Driver object as input
    public EntryScreen(Driver reservationlist1) {
        this.reservationlist1 = reservationlist1;

        // Initialize the necessary components
        txttableNumber = new JTextField(20);
        setTitle("Make a Reservation");
        pnlCommand = new JPanel();
        pnlDisplay = new JPanel();

 String[] columnNames = {"ID", "Name",  "Capacity", "Date", "Time"};
tableModel = new DefaultTableModel(columnNames, 0);

table = new JTable(tableModel);


JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane, BorderLayout.NORTH);

     

        // create the table and set the model
       

        // add the table to a scroll pane and add it to the GUI
     

        // add labels and text fields to the display panel
        pnlDisplay.add(new JLabel("Name:"));
        txtName = new JTextField(20);
        pnlDisplay.add(txtName);

        pnlDisplay.add(new JLabel("Date:"));
        txtDate = new JTextField(5);
        pnlDisplay.add(txtDate);

        pnlDisplay.add(new JLabel("Time:"));
        txtTime = new JTextField(5);
        pnlDisplay.add(txtTime);

        pnlDisplay.add(new JLabel("Capacity:"));
        txtcapacity = new JTextField(20);
        pnlDisplay.add(txtcapacity);

       

        // add the save and close buttons to the command panel
        pnlCommand.setLayout(new GridLayout(1, 4));
        SaveCommand = new JButton("Save");
        commandCloser = new JButton("Close");
        ClearAll = new JButton("Clear All");
        cmdSortFirstName = new JButton("Sort by Name");
        cmdSortWaittime= new JButton("Sort by Time");
        Capacity= new JButton("Capacity");
        pnlCommand.add(SaveCommand);
        pnlCommand.add(commandCloser);
        pnlCommand.add(ClearAll);
        pnlCommand.add(cmdSortWaittime);
        pnlCommand.add(cmdSortFirstName);
        pnlCommand.add(Capacity);

        // add the display and command panels to the GUI
        add(pnlDisplay, BorderLayout.CENTER);
        add(pnlCommand, BorderLayout.SOUTH);

        // finalize the GUI and make it visible
        pack();
        setVisible(true);

        // add action listeners to the buttons
        commandCloser.addActionListener(new commandCloser());
        SaveCommand.addActionListener(new SaveCommand());
       

        // set this object to be the current instance of EntryScreen
        ReservationEntry1 = this;
    }

    // ActionListener class for the close button
    private class commandCloser implements ActionListener {
        public void actionPerformed(ActionEvent d) {
            ReservationEntry1.setVisible(false);
            System.out.println("Close button clicked");
        }
    }

    // ActionListener class for the save button
    private class SaveCommand implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            // generate a random ID and table number
            Random random = new Random();
            int id = random.nextInt(10000) + 1;
         
       
            // extract information from the text fields
            String name = txtName.getText();
            String[] Name = name.split(", ");
            String Capacity = txtcapacity.getText();
            int capacity = 0;
            if (!Capacity.isEmpty()) {
                try {
                    capacity = Integer.parseInt(Capacity);
                } catch (NumberFormatException ex) {
                    System.out.println(" Error");
                }
            }
            String date = txtDate.getText();
            String time = txtTime.getText();
   
            // create a reservation object
            Reservation reservation = new Reservation(id, name, tableNumber, capacity, date, time);
   
            // add the reservation data to the table model
            Object[] rowData = {id, name, capacity, date, time};
            tableModel.addRow(rowData);
   
            // add the reservation to the driver's list
            reservationlist1.addReservation(reservation);
   
            // hide the reservation entry screen
            ReservationEntry1.setVisible(true);
   
            // display ID in a dialog box
            JOptionPane.showMessageDialog(null, "Reservation ID: " + id);
        }
    }
}
   
   
   
   
   
   
 
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