lib/classpath/examples/gnu/classpath/examples/swing/ButtonDemo.java

   1 /* ButtonDemo.java -- An example showing various buttons in Swing.
   2    Copyright (C) 2005, 2006  Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath examples.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20 */
  21
  22
  23 package gnu.classpath.examples.swing;
  24
  25 import java.awt.BorderLayout;
  26 import java.awt.GridLayout;
  27 import java.awt.event.ActionEvent;
  28 import java.awt.event.ActionListener;
  29
  30 import javax.swing.BorderFactory;
  31 import javax.swing.ButtonGroup;
  32 import javax.swing.JButton;
  33 import javax.swing.JCheckBox;
  34 import javax.swing.JComponent;
  35 import javax.swing.JFrame;
  36 import javax.swing.JPanel;
  37 import javax.swing.JRadioButton;
  38 import javax.swing.JToggleButton;
  39 import javax.swing.SwingConstants;
  40 import javax.swing.SwingUtilities;
  41 import javax.swing.plaf.metal.MetalIconFactory;
  42
  43 /**
  44  * A simple button demo showing various buttons in different states.
  45  */
  46 public class ButtonDemo
  47   extends JPanel
  48   implements ActionListener
  49 {
  50
  51   private JCheckBox buttonState;
  52   private JButton button1;
  53   private JButton button2;
  54   private JButton button3;
  55   private JButton button4;
  56
  57   private JCheckBox toggleState;
  58   private JToggleButton toggle1;
  59   private JToggleButton toggle2;
  60   private JToggleButton toggle3;
  61   private JToggleButton toggle4;
  62
  63   private JCheckBox checkBoxState;
  64   private JCheckBox checkBox1;
  65   private JCheckBox checkBox2;
  66   private JCheckBox checkBox3;
  67
  68   private JCheckBox radioState;
  69   private JRadioButton radio1;
  70   private JRadioButton radio2;
  71   private JRadioButton radio3;
  72
  73   /**
  74    * Creates a new demo instance.
  75    */
  76   public ButtonDemo()
  77   {
  78     createContent();
  79     // initFrameContent() is only called (from main) when running this app
  80     // standalone
  81   }
  82
  83   /**
  84    * When the demo is run independently, the frame is displayed, so we should
  85    * initialise the content panel (including the demo content and a close
  86    * button).  But when the demo is run as part of the Swing activity board,
  87    * only the demo content panel is used, the frame itself is never displayed,
  88    * so we can avoid this step.
  89    */
  90   void initFrameContent()
  91   {
  92     JPanel closePanel = new JPanel();
  93     JButton closeButton = new JButton("Close");
  94     closeButton.setActionCommand("CLOSE");
  95     closeButton.addActionListener(this);
  96     closePanel.add(closeButton);
  97     add(closePanel, BorderLayout.SOUTH);
  98   }
  99
 100   /**
 101    * Returns a panel with the demo content.  The panel
 102    * uses a BorderLayout(), and the BorderLayout.SOUTH area
 103    * is empty, to allow callers to add controls to the
 104    * bottom of the panel if they want to (a close button is
 105    * added if this demo is being run as a standalone demo).
 106    */
 107   private void createContent()
 108   {
 109     setLayout(new BorderLayout());
 110     JPanel panel = new JPanel(new GridLayout(4, 1));
 111     panel.add(createButtonPanel());
 112     panel.add(createTogglePanel());
 113     panel.add(createCheckBoxPanel());
 114     panel.add(createRadioPanel());
 115     add(panel);
 116   }
 117
 118   private JPanel createButtonPanel()
 119   {
 120     JPanel panel = new JPanel(new BorderLayout());
 121     this.buttonState = new JCheckBox("Enabled", true);
 122     this.buttonState.setActionCommand("BUTTON_STATE");
 123     this.buttonState.addActionListener(this);
 124     panel.add(this.buttonState, BorderLayout.EAST);
 125
 126     JPanel buttonPanel = new JPanel();
 127     buttonPanel.setBorder(BorderFactory.createTitledBorder("JButton"));
 128     this.button1 = new JButton("Button 1");
 129
 130     this.button2 = new JButton("Button 2");
 131     this.button2.setIcon(MetalIconFactory.getInternalFrameDefaultMenuIcon());
 132
 133     this.button3 = new JButton("Button 3");
 134     this.button3.setIcon(MetalIconFactory.getFileChooserHomeFolderIcon());
 135     this.button3.setHorizontalTextPosition(SwingConstants.CENTER);
 136     this.button3.setVerticalTextPosition(SwingConstants.BOTTOM);
 137
 138     this.button4 = new JButton("Button 4");
 139     this.button4.setIcon(MetalIconFactory.getFileChooserUpFolderIcon());
 140     this.button4.setText(null);
 141
 142     buttonPanel.add(button1);
 143     buttonPanel.add(button2);
 144     buttonPanel.add(button3);
 145     buttonPanel.add(button4);
 146
 147     panel.add(buttonPanel);
 148
 149     return panel;
 150   }
 151
 152   private JPanel createTogglePanel()
 153   {
 154     JPanel panel = new JPanel(new BorderLayout());
 155
 156     this.toggleState = new JCheckBox("Enabled", true);
 157     this.toggleState.setActionCommand("TOGGLE_STATE");
 158     this.toggleState.addActionListener(this);
 159
 160     panel.add(this.toggleState, BorderLayout.EAST);
 161
 162     JPanel buttonPanel = new JPanel();
 163     buttonPanel.setBorder(BorderFactory.createTitledBorder("JToggleButton"));
 164
 165     this.toggle1 = new JToggleButton("Toggle 1");
 166
 167     this.toggle2 = new JToggleButton("Toggle 2");
 168     this.toggle2.setIcon(MetalIconFactory.getInternalFrameDefaultMenuIcon());
 169
 170     this.toggle3 = new JToggleButton("Toggle 3");
 171     this.toggle3.setIcon(MetalIconFactory.getFileChooserHomeFolderIcon());
 172     this.toggle3.setHorizontalTextPosition(SwingConstants.CENTER);
 173     this.toggle3.setVerticalTextPosition(SwingConstants.BOTTOM);
 174
 175     this.toggle4 = new JToggleButton("Toggle 4");
 176     this.toggle4.setIcon(MetalIconFactory.getFileChooserUpFolderIcon());
 177     this.toggle4.setText(null);
 178
 179     ButtonGroup toggleGroup = new ButtonGroup();
 180     toggleGroup.add(toggle1);
 181     toggleGroup.add(toggle2);
 182     toggleGroup.add(toggle3);
 183     toggleGroup.add(toggle4);
 184
 185     buttonPanel.add(toggle1);
 186     buttonPanel.add(toggle2);
 187     buttonPanel.add(toggle3);
 188     buttonPanel.add(toggle4);
 189
 190     panel.add(buttonPanel);
 191
 192     return panel;
 193   }
 194
 195   private JPanel createCheckBoxPanel()
 196   {
 197     JPanel panel = new JPanel(new BorderLayout());
 198
 199     this.checkBoxState = new JCheckBox("Enabled", true);
 200     this.checkBoxState.setActionCommand("CHECKBOX_STATE");
 201     this.checkBoxState.addActionListener(this);
 202
 203     panel.add(this.checkBoxState, BorderLayout.EAST);
 204
 205     JPanel buttonPanel = new JPanel();
 206     buttonPanel.setBorder(BorderFactory.createTitledBorder("JCheckBox"));
 207     this.checkBox1 = new JCheckBox("CheckBox 1");
 208
 209     this.checkBox2 = new JCheckBox("CheckBox 2");
 210
 211     this.checkBox3 = new JCheckBox("CheckBox 3");
 212
 213     buttonPanel.add(checkBox1);
 214     buttonPanel.add(checkBox2);
 215     buttonPanel.add(checkBox3);
 216
 217     panel.add(buttonPanel);
 218
 219     return panel;
 220   }
 221
 222   private JPanel createRadioPanel()
 223   {
 224     JPanel panel = new JPanel(new BorderLayout());
 225
 226     this.radioState = new JCheckBox("Enabled", true);
 227     this.radioState.setActionCommand("RADIO_STATE");
 228     this.radioState.addActionListener(this);
 229     panel.add(this.radioState, BorderLayout.EAST);
 230
 231     JPanel buttonPanel = new JPanel();
 232     buttonPanel.setBorder(BorderFactory.createTitledBorder("JRadioButton"));
 233     this.radio1 = new JRadioButton("Radio 1");
 234
 235     this.radio2 = new JRadioButton("Radio 2");
 236
 237     this.radio3 = new JRadioButton("Radio 3");
 238
 239     ButtonGroup radioGroup = new ButtonGroup();
 240     radioGroup.add(radio1);
 241     radioGroup.add(radio2);
 242     radioGroup.add(radio3);
 243
 244     buttonPanel.add(radio1);
 245     buttonPanel.add(radio2);
 246     buttonPanel.add(radio3);
 247
 248     panel.add(buttonPanel);
 249
 250     return panel;
 251   }
 252
 253   public void actionPerformed(ActionEvent e)
 254   {
 255     if (e.getActionCommand().equals("BUTTON_STATE"))
 256     {
 257       button1.setEnabled(buttonState.isSelected());
 258       button2.setEnabled(buttonState.isSelected());
 259       button3.setEnabled(buttonState.isSelected());
 260       button4.setEnabled(buttonState.isSelected());
 261     }
 262     else if (e.getActionCommand().equals("TOGGLE_STATE"))
 263     {
 264       toggle1.setEnabled(toggleState.isSelected());
 265       toggle2.setEnabled(toggleState.isSelected());
 266       toggle3.setEnabled(toggleState.isSelected());
 267       toggle4.setEnabled(toggleState.isSelected());
 268     }
 269     else if (e.getActionCommand().equals("CHECKBOX_STATE"))
 270     {
 271       checkBox1.setEnabled(checkBoxState.isSelected());
 272       checkBox2.setEnabled(checkBoxState.isSelected());
 273       checkBox3.setEnabled(checkBoxState.isSelected());
 274     }
 275     else if (e.getActionCommand().equals("RADIO_STATE"))
 276     {
 277       radio1.setEnabled(radioState.isSelected());
 278       radio2.setEnabled(radioState.isSelected());
 279       radio3.setEnabled(radioState.isSelected());
 280     }
 281     else if (e.getActionCommand().equals("CLOSE"))
 282     {
 283       System.exit(0);
 284     }
 285   }
 286
 287   public static void main(String[] args)
 288   {
 289     SwingUtilities.invokeLater
 290     (new Runnable()
 291      {
 292        public void run()
 293        {
 294          ButtonDemo app = new ButtonDemo();
 295          app.initFrameContent();
 296          JFrame frame = new JFrame("ButtonDemo");
 297          frame.getContentPane().add(app);
 298          frame.pack();
 299          frame.setVisible(true);
 300        }
 301      });
 302   }
 303
 304   /**
 305    * Returns a DemoFactory that creates a ButtonDemo.
 306    *
 307    * @return a DemoFactory that creates a ButtonDemo
 308    */
 309   public static DemoFactory createDemoFactory()
 310   {
 311     return new DemoFactory()
 312     {
 313       public JComponent createDemo()
 314       {
 315         return new ButtonDemo();
 316       }
 317     };
 318   }
 319 }