/* * 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; /* * * FlowBoxLayoutDemo.java: Lays out the top set of buttons using FlowLayout * and the radio buttons using Boxes. The radio buttons are grouped into * two logical groups, left/right/center and leading/trailing, and placed * on separate rows. The "Apply Alignment" button is separated from the radio * buttons by 100 pixels and there is a proportionate amount of space * before the radio button group and after the "Apply Alignment" button. * The box layouts required to create this arrangement are shown below: * * --HBox-------------------------------------------------------------------- * | VBox------------------------- | * | HGlue | HBox -- Left/Right/Center | RigidArea((100,0)) Apply HGlue | * | | HBox -- Leading/Trailing | Button | * | ----------------------------- | * |------------------------------------------------------------------------- */ import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.*; public class FlowBoxLayoutDemo extends JFrame{ JRadioButton LeftButton; JRadioButton RightButton; JRadioButton CenterButton; JRadioButton LeadingButton; JRadioButton TrailingButton; FlowLayout experimentLayout = new FlowLayout(); final String Left = "Left"; final String Right = "Right"; final String Center = "Center"; final String Leading = "Leading"; final String Trailing = "Trailing"; JButton applyButton = new JButton("Apply Alignment"); public FlowBoxLayoutDemo(String name) { super(name); } public void addComponentsToPane(final Container pane) { final JPanel compsToExperiment = new JPanel(); compsToExperiment.setLayout(experimentLayout); experimentLayout.setAlignment(FlowLayout.TRAILING); LeftButton = new JRadioButton(Left); RightButton = new JRadioButton(Right); CenterButton = new JRadioButton(Center); LeadingButton = new JRadioButton(Leading); TrailingButton = new JRadioButton(Trailing); LeftButton.setActionCommand(Left); RightButton.setActionCommand(Right); CenterButton.setActionCommand(Center); LeadingButton.setActionCommand(Leading); TrailingButton.setActionCommand(Trailing); TrailingButton.setSelected(true); //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")); //Add controls to set up the component alignment in the experiment layout final ButtonGroup group = new ButtonGroup(); group.add(LeftButton); group.add(RightButton); group.add(CenterButton); group.add(LeadingButton); group.add(TrailingButton); Box LRCbox = Box.createHorizontalBox(); Box LTbox = Box.createHorizontalBox(); Box RadioButtonBox = Box.createVerticalBox(); LRCbox.add(LeftButton); LRCbox.add(RightButton); LRCbox.add(CenterButton); LTbox.add(LeadingButton); LTbox.add(TrailingButton); // If you want to left align the two sets of buttons, then uncomment // both of the following lines. If you only uncomment one of them, then // your layout will look messed up because one of the boxes will have // a center alignment and one will have a left justification alignment //LRCbox.setAlignmentX(Component.LEFT_ALIGNMENT); // LTbox.setAlignmentX(Component.LEFT_ALIGNMENT); RadioButtonBox.add(LRCbox); RadioButtonBox.add(LTbox); Box controls = Box.createHorizontalBox(); controls.add(Box.createHorizontalGlue()); controls.add(RadioButtonBox); controls.add(Box.createRigidArea(new Dimension(100,0))); controls.add(applyButton); controls.add(Box.createHorizontalGlue()); // If you want to play with the boxes, then you might want to use // the following borders for debugging purposes // LRCbox.setBorder(BorderFactory.createLineBorder(Color.blue, 2)); // LTbox.setBorder(BorderFactory.createLineBorder(Color.blue, 2)); //controls.setBorder(BorderFactory.createLineBorder(Color.red, 2)); //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)) { experimentLayout.setAlignment(FlowLayout.LEFT); } else if (command.equals(Right)) { experimentLayout.setAlignment(FlowLayout.RIGHT); } else if (command.equals(Center)) { experimentLayout.setAlignment(FlowLayout.CENTER); } else if (command.equals(Leading)) { experimentLayout.setAlignment(FlowLayout.LEADING); } else { experimentLayout.setAlignment(FlowLayout.TRAILING); } //update the experiment layout compsToExperiment.revalidate(); 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. FlowBoxLayoutDemo frame = new FlowBoxLayoutDemo("FlowBoxLayoutDemo"); 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(); } }); } }