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50 lines
1.6 KiB
Java
50 lines
1.6 KiB
Java
Simple Jtree example
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package com.ack.gui.swing.simple;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import javax.swing.*;
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import javax.swing.tree.DefaultMutableTreeNode;
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public class SimpleJTreeExample extends JFrame {
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public static void main( String[] argv ) {
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SimpleJTreeExample myExample = new SimpleJTreeExample( "Simple JTree Example" );
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}
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public SimpleJTreeExample( String title ) {
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super( title );
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setSize( 150, 150 );
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addWindowListener( new WindowAdapter() {
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public void windowClosing( WindowEvent we ) {
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dispose();
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System.exit( 0 );
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}
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} );
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init();
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pack();
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setVisible( true );
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}
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private void init() {
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DefaultMutableTreeNode root = new DefaultMutableTreeNode( "Calendar" );
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DefaultMutableTreeNode months = new DefaultMutableTreeNode( "Months" );
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root.add( months );
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String monthLabels[] = {"January", "February", "March", "April", "May",
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"June", "July", "August", "September", "October", "November", "December"};
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for( int i = 0; i < monthLabels.length; i++ )
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months.add( new DefaultMutableTreeNode( monthLabels[i] ) );
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DefaultMutableTreeNode weeks = new DefaultMutableTreeNode( "Weeks" );
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root.add( weeks );
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String weekLabels[] = {"Monday", "Tuesday", "Wednesday", "Thursday",
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"Friday", "Saturday", "Sunday"};
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for( int i = 0; i < weekLabels.length; i++ )
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weeks.add( new DefaultMutableTreeNode( weekLabels[i] ) );
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JScrollPane js = new JScrollPane( new JTree( root ) );
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getContentPane().add( js );
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}
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}
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