import java.awt.*;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.border.*;

public class OverlapLayoutDemo

{

public static void main(String[] args)

{

SwingUtilities.invokeLater(new Runnable() {

public void run() {

createAndShowGUI();

}

});

}

public static void createAndShowGUI()

{

JFrame frame = new JFrame("Overlap Layout");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.add( new DemoPanel() );

frame.setSize(600, 340);

frame.setLocationRelativeTo(null);

frame.setVisible(true);

}

static class DemoPanel extends JPanel

implements ActionListener, MouseListener

{

private JScrollPane scrollPane;

private JRadioButton above;

private JRadioButton below;

private JSpinner xOffset;

private JSpinner yOffset;

private JSpinner top;

private JSpinner bottom;

private JSpinner left;

private JSpinner right;

private JCheckBox includeInvisible;

private ImageIcon duke;

private OverlapLayout layout;

public DemoPanel()

{

String path = "dukeWaveRed.gif";

java.net.URL imgURL = getClass().getResource(path);

duke = new ImageIcon(imgURL, path);

setLayout( new BorderLayout() );

scrollPane = new JScrollPane();

add(scrollPane);

add(createControlPanel(), BorderLayout.EAST);

JButton button = new JButton("Recreate Layout With Cards");

button.addActionListener( this );

add(button, BorderLayout.SOUTH);

createLayout();

}

private JPanel createControlPanel()

{

RelativeLayout rl = new RelativeLayout(RelativeLayout.Y_AXIS);

rl.setAlignment(RelativeLayout.LEADING);

rl.setFill( true );

JPanel panel = new JPanel( rl );

panel.setBorder( new TitledBorder("Configure Layout") );

JPanel r1 = new JPanel( new GridLayout(1, 0, 5, 5) );

r1.setBorder( new TitledBorder("Overlap:") );

ButtonGroup bg1 = new ButtonGroup();

above = new JRadioButton("Above");

above.setSelected( true );

r1.add( above );

bg1.add( above );

below = new JRadioButton("Below");

r1.add( below );

bg1.add( below );

panel.add( r1 );

JPanel r2 = new JPanel( new GridLayout(1, 0, 5, 5) );

r2.setBorder( new TitledBorder("Overlap Position:") );

xOffset = new JSpinner(new SpinnerNumberModel(20, -100, 100 ,5));

r2.add( xOffset );

r2.add( new JLabel("X") );

yOffset = new JSpinner(new SpinnerNumberModel(0, -100, 100 ,5));

r2.add( yOffset );

r2.add( new JLabel("Y") );

panel.add( r2 );

JPanel r3 = new JPanel( new GridLayout(2, 0, 5, 5) );

r3.setBorder( new TitledBorder("Popup Insets:") );

top = new JSpinner(new SpinnerNumberModel(20, 0, 100 ,5));

r3.add( top );

r3.add( new JLabel("Top") );

bottom = new JSpinner(new SpinnerNumberModel(0, 0, 100 ,5));

r3.add( bottom );

r3.add( new JLabel("Bottom") );

left = new JSpinner(new SpinnerNumberModel(0, 0, 100 ,5));

r3.add( left );

r3.add( new JLabel("Left") );

right = new JSpinner(new SpinnerNumberModel(0, 0, 100 ,5));

r3.add( right );

r3.add( new JLabel("Right") );

panel.add( r3 );

includeInvisible = new JCheckBox("Include Invisible");

includeInvisible.setSelected( true );

panel.add( includeInvisible );

// panel.add(Box.createGlue(), new Float(1));

panel.add(Box.createGlue(), Float.valueOf(1));

JLabel label = new JLabel("Note: click on card for \"popup\"");

panel.add( label );

return panel;

}

private void createLayout()

{

Point overlap = new Point((Integer)xOffset.getValue(), (Integer)yOffset.getValue());

layout = new OverlapLayout(overlap, above.isSelected());

Insets popupInsets = new Insets(

(Integer)top.getValue(), (Integer)left.getValue(), (Integer)bottom.getValue(), (Integer)right.getValue());

layout.setPopupInsets( popupInsets );

layout.setIncludeInvisible( includeInvisible.isSelected() );

createPanel( layout );

}

private void createPanel(OverlapLayout lm)

{

JPanel panel = new JPanel(lm);

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

createCard(panel, "1", duke, false) ;

createCard(panel, "2", duke, false) ;

createCard(panel, "3", duke, false) ;

createCard(panel, "4", duke, true) ;

createCard(panel, "5", duke, false) ;

Component c = panel.getComponent( layout.convertIndex(1) );

layout.addLayoutComponent(c, OverlapLayout.POP_UP);

scrollPane.setViewportView(panel);

}

private void createCard(Container c, String text, Icon icon, boolean invisible)

{

JPanel card = createCard(text, icon);

c.add(card);

if (invisible)

{

card.setVisible(false);

}

}

public JPanel createCard(String text, Icon icon)

{

JPanel card = new JPanel( new BorderLayout() );

card.setToolTipText("Duke " + text);

card.setBackground( Color.WHITE );

card.setBorder( new LineBorder(Color.BLACK) );

JLabel north = new JLabel( text );

north.setHorizontalAlignment(JLabel.LEFT);

JLabel center = new JLabel( icon );

JLabel south = new JLabel( text );

south.setHorizontalAlignment(JLabel.RIGHT);

card.add(north, BorderLayout.NORTH);

card.add(center);

card.add(south, BorderLayout.SOUTH);

card.setName(text);

card.addMouseListener( this );

return card;

}

public void actionPerformed(ActionEvent e)

{

createLayout();

}

public void mousePressed(MouseEvent e)

{

Component c = e.getComponent();

Boolean constraint = layout.getConstraints(c);

if (constraint == null || constraint == OverlapLayout.POP_DOWN)

layout.addLayoutComponent(c, OverlapLayout.POP_UP);

else

layout.addLayoutComponent(c, OverlapLayout.POP_DOWN);

((JComponent)c).revalidate();

}

public void mouseMoved(MouseEvent e) {}

public void mouseClicked(MouseEvent e) {}

public void mouseEntered(MouseEvent e) {}

public void mouseExited(MouseEvent e) {}

public void mouseReleased(MouseEvent e) {}

}

}