GUI Label, Button, TextField

/*

Creating GUI with JLabel and JButton

*/

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

class GUITextFieldLabelAndButtons extends JFrame implements ActionListener

{

private static final int FRAME_WIDTH = 300;

private static final int FRAME_HEIGHT = 200;

private static final int FRAME_X_ORIGIN = 150;

private static final int FRAME_Y_ORIGIN = 250;

private static final int BUTTON_WIDTH = 80;

private static final int BUTTON_HEIGHT = 30;

//Declare your objects here...

private JButton cancelButton; // Declare the buttons

private JButton okButton;

private JLabel promptText1; // Declare text

private JTextField inputLine; //This part added for Input Text field

public static void main(String[] args)

{

GUITextFieldLabelAndButtons frame = new GUITextFieldLabelAndButtons();

frame.setVisible(true); // Display the frame

}

public GUITextFieldLabelAndButtons( )

{

// set the frame properties

setTitle("Sample Frame with Button Events");

setSize(FRAME_WIDTH, FRAME_HEIGHT);

setLocation(FRAME_X_ORIGIN, FRAME_Y_ORIGIN);

setResizable(false);

// set the content pane properties

Container contentPane = getContentPane();

contentPane.setLayout(null);

contentPane.setBackground(Color.white);

//create and place two buttons on the frame's content pane

okButton = new JButton("Ok");

okButton.setBounds(70, 125, BUTTON_WIDTH, BUTTON_HEIGHT);

okButton.addActionListener(this);

contentPane.add(okButton);

cancelButton = new JButton("Cancel");

cancelButton.setBounds(160,125, BUTTON_WIDTH, BUTTON_HEIGHT);

cancelButton.addActionListener(this);

contentPane.add(cancelButton);

promptText1 = new JLabel();

promptText1.setText("Display some text here");

promptText1.setBounds(30, 20, 150, 25); // 30 from left, 20 from top, 150 length, 25 height

promptText1.setForeground(Color.red);

contentPane.add(promptText1);

inputLine = new JTextField();

inputLine.setBounds(30, 50, 150, 25);

contentPane.add(inputLine);

inputLine.addActionListener(this);

// register 'Exit' upon closing as default close operation

setDefaultCloseOperation(EXIT_ON_CLOSE);

}

public void actionPerformed(ActionEvent event) // Actions

{

JButton clickedButton = (JButton) event.getSource();

String buttonText = clickedButton.getText();

String somethingYouEntered = inputLine.getText();

if (clickedButton == okButton) // Event when ok button is clicked

{

JOptionPane.showMessageDialog(null, "You clicked on OK");

JOptionPane.showMessageDialog(null, "and you also entered: " + somethingYouEntered);

}

if (clickedButton == cancelButton) // Event when cancel button is clicked

{

JOptionPane.showMessageDialog(null, "You clicked on Cancel");

JOptionPane.showMessageDialog(null, "Bye bye!");

System.exit(0);

}

}

} // End of class