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