/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package layout;/*** FlowLayoutDemo.java**/import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.util.*;public class FlowLayoutDemo extends JFrame{    JRadioButton RtoLbutton;    JRadioButton LtoRbutton;    FlowLayout experimentLayout = new FlowLayout();    final String RtoL = "Right to left";    final String LtoR = "Left to right";    JButton applyButton = new JButton("Apply component orientation");        public FlowLayoutDemo(String name) {        super(name);    }        public void addComponentsToPane(final Container pane) {        final JPanel compsToExperiment = new JPanel();        compsToExperiment.setLayout(experimentLayout);        experimentLayout.setAlignment(FlowLayout.TRAILING);        JPanel controls = new JPanel();        controls.setLayout(new FlowLayout());                LtoRbutton = new JRadioButton(LtoR);        LtoRbutton.setActionCommand(LtoR);        LtoRbutton.setSelected(true);        RtoLbutton = new JRadioButton(RtoL);        RtoLbutton.setActionCommand(RtoL);                //Add buttons to the experiment layout        compsToExperiment.add(new JButton("Button 1"));        compsToExperiment.add(new JButton("Button 2"));        compsToExperiment.add(new JButton("Button 3"));        compsToExperiment.add(new JButton("Long-Named Button 4"));        compsToExperiment.add(new JButton("5"));        //Left to right component orientation is selected by default        compsToExperiment.setComponentOrientation(                ComponentOrientation.LEFT_TO_RIGHT);                //Add controls to set up the component orientation in the experiment layout        final ButtonGroup group = new ButtonGroup();        group.add(LtoRbutton);        group.add(RtoLbutton);        controls.add(LtoRbutton);        controls.add(RtoLbutton);        controls.add(applyButton);                //Process the Apply component orientation button press        applyButton.addActionListener(new ActionListener(){            public void actionPerformed(ActionEvent e){                String command = group.getSelection().getActionCommand();                //Check the selection                if (command.equals("Left to right")) {                    compsToExperiment.setComponentOrientation(                            ComponentOrientation.LEFT_TO_RIGHT);                } else {                    compsToExperiment.setComponentOrientation(                            ComponentOrientation.RIGHT_TO_LEFT);                }                //update the experiment layout                compsToExperiment.validate();                compsToExperiment.repaint();            }        });        pane.add(compsToExperiment, BorderLayout.CENTER);        pane.add(controls, BorderLayout.SOUTH); ;    }        /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event dispatch thread.     */    private static void createAndShowGUI() {        //Create and set up the window.        FlowLayoutDemo frame = new FlowLayoutDemo("FlowLayoutDemo");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Set up the content pane.        frame.addComponentsToPane(frame.getContentPane());        //Display the window.        frame.pack();        frame.setVisible(true);    }        public static void main(String[] args) {        /* Use an appropriate Look and Feel */        try {            //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");        } catch (UnsupportedLookAndFeelException ex) {            ex.printStackTrace();        } catch (IllegalAccessException ex) {            ex.printStackTrace();        } catch (InstantiationException ex) {            ex.printStackTrace();        } catch (ClassNotFoundException ex) {            ex.printStackTrace();        }        /* Turn off metal's use of bold fonts */        UIManager.put("swing.boldMetal", Boolean.FALSE);        //Schedule a job for the event dispatchi thread:        //creating and showing this application's GUI.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                createAndShowGUI();            }        });    }}