import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

import javax.swing.*;

import javax.swing.border.*;

import javax.swing.event.*;

public class ComponentBorderDemo extends JPanel

implements ActionListener

{

private JRadioButton top;

private JRadioButton left;

private JRadioButton bottom;

private JRadioButton right;

private JRadioButton leading;

private JRadioButton center;

private JRadioButton trailing;

private JSpinner gap;

private JCheckBox adjustInsets;

ComponentBorderDemo()

{

setLayout( new BoxLayout(this,BoxLayout.X_AXIS) );

setBorder( new EmptyBorder(10, 10, 10, 10) );

JComponent east = createEastPanel();

JComponent center = createCenterPanel();

add(center);

add( Box.createHorizontalStrut(10) );

add(east);

}

private Box createCenterPanel()

{

Box box = Box.createVerticalBox();

JPanel first = new JPanel();

first.setBorder( new TitledBorder("Normal Approach") );

JTextField textField1= new JTextField("text", 15);

first.add( textField1 );

JButton button1= new JButton("?");

button1.addActionListener( new NameActionListener(textField1) );

first.add( button1 );

box.add( first );

JPanel second = new JPanel();

second.setBorder( new TitledBorder("Alternative Approach") );

JTextField textField2 = new JTextField("text", 15);

JButton button2= new JButton("?");

button2.addActionListener( new NameActionListener(textField2) );

JPanel panel = new JPanel();

panel.setLayout( new FlowLayout(FlowLayout.CENTER, 0, 0) );

panel.setBackground( textField2.getBackground() );

panel.setBorder( textField2.getBorder() );

textField2.setBorder(null);

panel.add(textField2);

panel.add(button2);

second.add(panel);

box.add(second);

JPanel third = new JPanel();

third.setBorder( new TitledBorder("Component Border Approach") );

JTextField textField3 = new JTextField("text", 15);

JButton button3 = new JButton("?");

button3.setMargin(new Insets(1, 1, 1, 1) );

ComponentBorder cb = new ComponentBorder(button3);

button3.addActionListener( new NameActionListener(textField3) );

if (top.isSelected())

cb.setEdge(ComponentBorder.Edge.TOP);

if (left.isSelected())

cb.setEdge(ComponentBorder.Edge.LEFT);

if (bottom.isSelected())

cb.setEdge(ComponentBorder.Edge.BOTTOM);

if (right.isSelected())

cb.setEdge(ComponentBorder.Edge.RIGHT);

if (leading.isSelected())

cb.setAlignment(ComponentBorder.LEADING);

if (center.isSelected())

cb.setAlignment(ComponentBorder.CENTER);

if (trailing.isSelected())

cb.setAlignment(ComponentBorder.TRAILING);

cb.setGap( (Integer)gap.getValue() );

cb.setAdjustInsets( adjustInsets.isSelected() );

cb.install(textField3);

third.add( textField3 );

box.add( third );

return box;

}

private JPanel createEastPanel()

{

JPanel panel = new JPanel( new BorderLayout() );

panel.setBorder( new TitledBorder("Component Border Properties") );

Box box = Box.createVerticalBox();

panel.add(box);

// Create Edge radio buttons

top = new JRadioButton("Top");

left = new JRadioButton("Left");

bottom = new JRadioButton("Bottom");

right = new JRadioButton("Right");

right.setSelected( true );

ButtonGroup bg1 = new ButtonGroup();

bg1.add( top );

bg1.add( left );

bg1.add( bottom );

bg1.add( right );

JPanel p1 = new JPanel(new FlowLayout(FlowLayout.LEFT));

p1.setBorder( new TitledBorder("Edge") );

p1.add( top );

p1.add( left );

p1.add( bottom );

p1.add( right );

box.add( p1 );

// Create Alignment radio buttons

leading = new JRadioButton("Leading");

center = new JRadioButton("Center");

trailing = new JRadioButton("Trailing");

center.setSelected(true);

ButtonGroup bg2 = new ButtonGroup();

bg2.add( leading );

bg2.add( center );

bg2.add( trailing );

JPanel p2 = new JPanel(new FlowLayout(FlowLayout.LEFT));

p2.setBorder( new TitledBorder("Edge") );

p2.add( leading );

p2.add( center );

p2.add( trailing );

box.add( p2 );

// Create Gap

JPanel p3 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

gap = new JSpinner(new SpinnerNumberModel(5, 0, 50, 5));

p3.add( gap );

p3.add( new JLabel("Gap") );

box.add( p3 );

// Create adjust insets

JPanel p4 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

adjustInsets = new JCheckBox("Adjust Insets");

adjustInsets.setAlignmentX(0.5f);

adjustInsets.setSelected(true);

p4.add(adjustInsets);

box.add(p4);

JButton button = new JButton("Recreate Component Border");

button.addActionListener( this );

panel.add(button, BorderLayout.SOUTH);

return panel;

}

public void actionPerformed(ActionEvent e)

{

remove(0);

add(createCenterPanel(), 0);

revalidate();

repaint();

}

static class NameActionListener implements ActionListener

{

JTextField textField;

NameActionListener(JTextField textField)

{

this.textField = textField;

}

public void actionPerformed(ActionEvent e)

{

JButton button = (JButton)e.getSource();

String text = JOptionPane.showInputDialog(

button,

"Enter Name",

textField.getText()

);

textField.setText( text );

}

}

public static void main(String[] args)

{

SwingUtilities.invokeLater(new Runnable() {

public void run() {

createAndShowGUI();

}

});

}

public static void createAndShowGUI()

{

JFrame frame = new JFrame("Component Border");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.add( new ComponentBorderDemo() );

frame.setSize(600, 360);

frame.setLocationRelativeTo(null);

frame.setVisible(true);

}

}