addnewstudentgui.java

This example shows how to create a second window and also how to read and write from/to a text file

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
 * GUI form for adding a new student to module.
 * 
 * @author Ian Bradley 
 * @version 10/04/2007
 */
public class AddNewStudentGUI extends JFrame implements ActionListener
{
    private JTextField nameJTextField = new JTextField(15);
    private JTextField idJTextField = new JTextField(10);

    private JButton confirmButton = new JButton("Confirm");
    private JButton cancelButton = new JButton("Cancel");
    
    private ModuleGUI parent;

    /**
     * Constructor for objects of class AddNewStudentGUI
     */
    public AddNewStudentGUI(ModuleGUI parent)
    {
        super("Adding a new student");
        this.parent = parent;
        makeFrame();
        showFrame();
    }

     /**
     * basic setup for the frame
     */
    private void showFrame()
   {   
     setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);     
     pack();
     setVisible(true);
   }
   
      /**
     * set up for this frame
     * 
     */
    private void makeFrame()
    {
        JLabel nameLabel = new JLabel("Student Name",JLabel.RIGHT);
        JLabel idLabel = new JLabel("Student ID  ",JLabel.RIGHT);

        JPanel labels = new JPanel();
        labels.setLayout ( new GridLayout(3,1,10,5));        
        labels.add(nameLabel);       
        labels.add(idLabel);      
           
        labels.add(confirmButton);
        
        JPanel fields = new JPanel();
        
        fields.setLayout ( new GridLayout(3,1,10,5));
        fields.add(nameJTextField);
        fields.add(idJTextField);
       cancelButton.setSize(40,20);
        fields.add(cancelButton);
        add(labels,BorderLayout.WEST);
        add(fields,BorderLayout.EAST);
        
        confirmButton.addActionListener(this);
        cancelButton.addActionListener(this);
    }
    
    public void actionPerformed( ActionEvent ae)
    {
        String item = ae.getActionCommand(); 
        
        if ( item.equals("Confirm"))
        {
            String name = nameJTextField.getText();
            String id = idJTextField.getText();
 
            parent.addNewStudent(name,id);
            this.dispose();
        }
        else
        if ( item.equals("Cancel"))
        {
            parent.resetButtons();
            this.dispose();
        }
        
    }
   
   
}