import javax.swing.JApplet;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.WindowEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Container;
import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.BorderFactory;
import javax.swing.border.Border;

public class TextTest extends JApplet{

  public static void main(String[] args) {
    theApp = new TextTest();              // Create the application object
    theApp.init();                        // ...and initialize it
  }

  public void init() {
    window = new JFrame("Defy Convention");        // Create the app window
    Toolkit theKit = window.getToolkit();        // Get the window toolkit
    Dimension wndSize = theKit.getScreenSize();  // Get screen size

    // Set the position to screen center & size to half screen size
    window.setBounds(wndSize.width/4, wndSize.height/4,        // Position
                     wndSize.width/2, wndSize.height/2);       // Size

    GridBagLayout gridbag = new GridBagLayout();      // Create a layout manager
    GridBagConstraints constraints = new GridBagConstraints();
    Container content = window.getContentPane();  // Get the content pane
    content.setLayout(gridbag);      // Set the container layout mgr

    // Set color of content pane
    Color customColor = new Color(25,100,75);
    content.setBackground(customColor);  



    window.addWindowListener(new WindowHandler());  // Add window listener

    FieldHandler fh = new FieldHandler();           // one FieldHandler for two sources

// Add two text boxes
// Set constraints and add first box
    constraints.weightx = constraints.weighty = 10.0;
    constraints.fill = constraints.NONE;
    constraints.ipadx = 30;                           // Pad 30 in x
    constraints.ipady = 10;                           // Pad 10 in y
    field1 = addBox("      Hi      ", constraints, gridbag);       // Add the box

    field1.addActionListener(fh);
    field1.addFocusListener(new FocusHandler());

    // Set constraints and add second button 
    constraints.weightx = 5.0;                       // Weight half of first
    constraints.fill = constraints.BOTH;             // Expand to fill space
    constraints.ipadx = constraints.ipady = 0;       // No padding
    constraints.insets = new java.awt.Insets(10, 30, 10, 20); // Left 30 & right 20
    constraints.gridwidth = constraints.RELATIVE;    // Rest of the row
    constraints.gridheight = 2;                      // Height 2x 
    field2 = addBox(" There ", constraints, gridbag);       // Add the box

    field2.addActionListener(fh);
    field2.addMouseListener(new MouseHandler());

    // Set constraints and add third button 
    constraints.gridx = 0;                           // Begin new row
    constraints.fill = constraints.NONE;
    constraints.ipadx = 30;                          // Pad component in x
    constraints.ipady = 10;                          // Pad component in y
    constraints.insets = new java.awt.Insets(0,0,0,0);       // No insets
    constraints.gridwidth = 1;                       // Width 
    constraints.gridheight = 1;                      // Height 
    addBox(" Not Used ", constraints, gridbag);       // Add the box
    window.setVisible(true);

  }

  static JTextField addBox(String label,
                        GridBagConstraints constraints,
                        GridBagLayout layout) {
    // Create a Border object using a BorderFactory method
    Border edge = BorderFactory.createRaisedBevelBorder(); 

    JTextField box = new JTextField(label);           // Create a box
    box.setBorder(edge);                        // Add its border
    box.setBackground(Color.YELLOW);
    layout.setConstraints(box, constraints);    // Set the constraints
    window.getContentPane().add(box);          // Add box to content pane
    return box;
  }


// FieldHandler extracts text from text field and prints it
// Try it by entering text into the box and hitting enter.
  
  class FieldHandler implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      if(theApp != null) {
        Object source = e.getSource();
        String mess = ((JTextField)source).getText();
        System.out.println(mess);
      }
    }
  }

// MouseHandler changes color of source when mouse enters its area,
// changes color back to WHITE and copies text to first text field
// when mouse leaves

  class MouseHandler extends MouseAdapter {
    public void mouseEntered(MouseEvent e) {
        ((JTextField)e.getSource()).setBackground(Color.YELLOW);
    }
    public void mouseExited(MouseEvent e) {
        field1.setText(((JTextField)e.getSource()).getText());
        ((JTextField)e.getSource()).setBackground(Color.WHITE);
    }
  }

// FocusHandler changes color of source when it gains focus

class FocusHandler implements FocusListener {
    public void focusGained(FocusEvent e) {
        ((JTextField)e.getSource()).setBackground(Color.CYAN);
    }
    public void focusLost(FocusEvent e) {
        ((JTextField)e.getSource()).setBackground(Color.WHITE);
    }
  }
    
  // Handler class for window events
  class WindowHandler extends WindowAdapter {
    // Handler for window closing event
    public void windowClosing(WindowEvent e) {
      window.dispose();                           // Release the window resources
      System.exit(0);                             // End the application
    }
  }

  private static JFrame window;              // The application window
  private static TextTest theApp;                 // The application object
  private static JTextField field1, field2;
}