80 lines
2.0 KiB
Java
80 lines
2.0 KiB
Java
Box Layout Demo
|
|
|
|
import javax.swing.*;
|
|
import java.awt.*;
|
|
import java.awt.event.*;
|
|
|
|
public class BoxLayoutDemo extends JFrame {
|
|
public BoxLayoutDemo()
|
|
{
|
|
super( "Demostrating BoxLayout" );
|
|
final int SIZE = 3;
|
|
|
|
Container c = getContentPane();
|
|
c.setLayout( new BorderLayout( 30, 30 ) );
|
|
|
|
Box boxes[] = new Box[ 4 ];
|
|
|
|
boxes[ 0 ] = Box.createHorizontalBox();
|
|
boxes[ 1 ] = Box.createVerticalBox();
|
|
boxes[ 2 ] = Box.createHorizontalBox();
|
|
boxes[ 3 ] = Box.createVerticalBox();
|
|
|
|
// add buttons to boxes[ 0 ]
|
|
for ( int i = 0; i < SIZE; i++ )
|
|
boxes[ 0 ].add( new JButton( "boxes[0]: " + i ) );
|
|
|
|
// create strut and add buttons to boxes[ 1 ]
|
|
for ( int i = 0; i < SIZE; i++ ) {
|
|
boxes[ 1 ].add( Box.createVerticalStrut( 25 ) );
|
|
boxes[ 1 ].add( new JButton( "boxes[1]: " + i ) );
|
|
}
|
|
|
|
// create horizontal glue and add buttons to boxes[ 2 ]
|
|
for ( int i = 0; i < SIZE; i++ ) {
|
|
boxes[ 2 ].add( Box.createHorizontalGlue() );
|
|
boxes[ 2 ].add( new JButton( "boxes[2]: " + i ) );
|
|
}
|
|
|
|
// create rigid area and add buttons to boxes[ 3 ]
|
|
for ( int i = 0; i < SIZE; i++ ) {
|
|
boxes[ 3 ].add(
|
|
Box.createRigidArea( new Dimension( 12, 8 ) ) );
|
|
boxes[ 3 ].add( new JButton( "boxes[3]: " + i ) );
|
|
}
|
|
|
|
// create horizontal glue and add buttons to panel
|
|
JPanel panel = new JPanel();
|
|
panel.setLayout(
|
|
new BoxLayout( panel, BoxLayout.Y_AXIS ) );
|
|
|
|
for ( int i = 0; i < SIZE; i++ ) {
|
|
panel.add( Box.createGlue() );
|
|
panel.add( new JButton( "panel: " + i ) );
|
|
}
|
|
|
|
// place panels on frame
|
|
c.add( boxes[ 0 ], BorderLayout.NORTH );
|
|
c.add( boxes[ 1 ], BorderLayout.EAST );
|
|
c.add( boxes[ 2 ], BorderLayout.SOUTH );
|
|
c.add( boxes[ 3 ], BorderLayout.WEST );
|
|
c.add( panel, BorderLayout.CENTER );
|
|
|
|
setSize( 350, 300 );
|
|
show();
|
|
}
|
|
public static void main( String args[] )
|
|
{
|
|
BoxLayoutDemo app = new BoxLayoutDemo();
|
|
|
|
app.addWindowListener(
|
|
new WindowAdapter() {
|
|
public void windowClosing( WindowEvent e )
|
|
{
|
|
System.exit( 0 );
|
|
}
|
|
}
|
|
);
|
|
}
|
|
}
|