libjava/classpath/examples/gnu/classpath/examples/swing/SliderDemo.java

   1 /* SliderDemo.java -- An example showing JSlider in various configurations.
   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.JButton;
  31 import javax.swing.JCheckBox;
  32 import javax.swing.JComponent;
  33 import javax.swing.JFrame;
  34 import javax.swing.JPanel;
  35 import javax.swing.JSlider;
  36 import javax.swing.SwingUtilities;
  37
  38 public class SliderDemo
  39   extends JPanel
  40   implements ActionListener
  41 {
  42
  43   JSlider hslider1;
  44   JSlider hslider2;
  45   JSlider hslider3;
  46   JSlider hslider4;
  47   JSlider hslider5;
  48   JSlider hslider6;
  49   JSlider hslider7;
  50   JSlider hslider8;
  51
  52   JSlider vslider1;
  53   JSlider vslider2;
  54   JSlider vslider3;
  55   JSlider vslider4;
  56   JSlider vslider5;
  57   JSlider vslider6;
  58   JSlider vslider7;
  59   JSlider vslider8;
  60
  61   JCheckBox enabledCheckBox;
  62
  63   public SliderDemo()
  64   {
  65     createContent();
  66   }
  67
  68   /**
  69    * When the demo is run independently, the frame is displayed, so we should
  70    * initialise the content panel (including the demo content and a close
  71    * button).  But when the demo is run as part of the Swing activity board,
  72    * only the demo content panel is used, the frame itself is never displayed,
  73    * so we can avoid this step.
  74    */
  75   void initFrameContent()
  76   {
  77     JPanel closePanel = new JPanel();
  78     JButton closeButton = new JButton("Close");
  79     closeButton.setActionCommand("CLOSE");
  80     closeButton.addActionListener(this);
  81     closePanel.add(closeButton);
  82     add(closePanel, BorderLayout.SOUTH);
  83   }
  84
  85   /**
  86    * Returns a panel with the demo content.  The panel
  87    * uses a BorderLayout(), and the BorderLayout.SOUTH area
  88    * is empty, to allow callers to add controls to the
  89    * bottom of the panel if they want to (a close button is
  90    * added if this demo is being run as a standalone demo).
  91    */
  92   private void createContent()
  93   {
  94     setLayout(new BorderLayout());
  95     JPanel panel = new JPanel(new GridLayout(1, 2));
  96     panel.add(createHorizontalPanel());
  97     panel.add(createVerticalPanel());
  98     enabledCheckBox = new JCheckBox("Enabled");
  99     enabledCheckBox.setSelected(true);
 100     enabledCheckBox.setActionCommand("TOGGLE_ENABLED");
 101     enabledCheckBox.addActionListener(this);
 102     JPanel checkBoxPanel = new JPanel();
 103     checkBoxPanel.add(enabledCheckBox);
 104     JPanel panel2 = new JPanel(new BorderLayout());
 105     panel2.add(panel);
 106     panel2.add(checkBoxPanel, BorderLayout.SOUTH);
 107     add(panel2);
 108   }
 109
 110   private JPanel createHorizontalPanel()
 111   {
 112     JPanel panel = new JPanel(new GridLayout(8, 1));
 113
 114     hslider1 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 115     panel.add(hslider1);
 116
 117     hslider2 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 118     hslider2.setMajorTickSpacing(20);
 119     hslider2.setMinorTickSpacing(5);
 120     hslider2.setPaintTicks(true);
 121     panel.add(hslider2);
 122
 123     hslider3 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 124     hslider3.setMajorTickSpacing(20);
 125     hslider3.setMinorTickSpacing(5);
 126     hslider3.setPaintLabels(true);
 127     hslider3.setPaintTicks(true);
 128     panel.add(hslider3);
 129
 130     hslider4 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 131     hslider4.putClientProperty("JSlider.isFilled", Boolean.TRUE);
 132     hslider4.setMajorTickSpacing(20);
 133     hslider4.setMinorTickSpacing(5);
 134     hslider4.setPaintLabels(true);
 135     hslider4.setPaintTicks(true);
 136     panel.add(hslider4);
 137
 138     hslider5 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 139     hslider5.setInverted(true);
 140     panel.add(hslider5);
 141
 142     hslider6 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 143     hslider6.setInverted(true);
 144     hslider6.setMajorTickSpacing(20);
 145     hslider6.setMinorTickSpacing(5);
 146     hslider6.setPaintTicks(true);
 147     panel.add(hslider6);
 148
 149     hslider7 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 150     hslider7.setInverted(true);
 151     hslider7.setMajorTickSpacing(20);
 152     hslider7.setMinorTickSpacing(5);
 153     hslider7.setPaintLabels(true);
 154     hslider7.setPaintTicks(true);
 155     panel.add(hslider7);
 156
 157     hslider8 = new JSlider(JSlider.HORIZONTAL, 0, 100, 35);
 158     hslider8.putClientProperty("JSlider.isFilled", Boolean.TRUE);
 159     hslider8.setInverted(true);
 160     hslider8.setMajorTickSpacing(20);
 161     hslider8.setMinorTickSpacing(5);
 162     hslider8.setPaintLabels(true);
 163     hslider8.setPaintTicks(true);
 164     panel.add(hslider8);
 165
 166     return panel;
 167   }
 168
 169   private JPanel createVerticalPanel()
 170   {
 171     JPanel panel = new JPanel(new GridLayout(1, 8));
 172
 173     vslider1 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 174     panel.add(vslider1);
 175
 176     vslider2 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 177     vslider2.setMajorTickSpacing(20);
 178     vslider2.setMinorTickSpacing(5);
 179     vslider2.setPaintTicks(true);
 180     panel.add(vslider2);
 181
 182     vslider3 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 183     vslider3.setMajorTickSpacing(20);
 184     vslider3.setMinorTickSpacing(5);
 185     vslider3.setPaintLabels(true);
 186     vslider3.setPaintTicks(true);
 187     panel.add(vslider3);
 188
 189     vslider4 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 190     vslider4.putClientProperty("JSlider.isFilled", Boolean.TRUE);
 191     vslider4.setMajorTickSpacing(20);
 192     vslider4.setMinorTickSpacing(5);
 193     vslider4.setPaintLabels(true);
 194     vslider4.setPaintTicks(true);
 195     panel.add(vslider4);
 196
 197     vslider5 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 198     vslider5.setInverted(true);
 199     panel.add(vslider5);
 200
 201     vslider6 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 202     vslider6.setInverted(true);
 203     vslider6.setMajorTickSpacing(20);
 204     vslider6.setMinorTickSpacing(5);
 205     vslider6.setPaintTicks(true);
 206     panel.add(vslider6);
 207
 208     vslider7 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 209     vslider7.setInverted(true);
 210     vslider7.setMajorTickSpacing(20);
 211     vslider7.setMinorTickSpacing(5);
 212     vslider7.setPaintLabels(true);
 213     vslider7.setPaintTicks(true);
 214     panel.add(vslider7);
 215
 216     vslider8 = new JSlider(JSlider.VERTICAL, 0, 100, 35);
 217     vslider8.putClientProperty("JSlider.isFilled", Boolean.TRUE);
 218     vslider8.setInverted(true);
 219     vslider8.setMajorTickSpacing(20);
 220     vslider8.setMinorTickSpacing(5);
 221     vslider8.setPaintLabels(true);
 222     vslider8.setPaintTicks(true);
 223     panel.add(vslider8);
 224     return panel;
 225   }
 226
 227   public void actionPerformed(ActionEvent e)
 228   {
 229     if (e.getActionCommand().equals("CLOSE"))
 230     {
 231       System.exit(0);
 232     }
 233     else if (e.getActionCommand().equals("TOGGLE_ENABLED"))
 234     {
 235       boolean enabled = enabledCheckBox.isSelected();
 236       hslider1.setEnabled(enabled);
 237       hslider2.setEnabled(enabled);
 238       hslider3.setEnabled(enabled);
 239       hslider4.setEnabled(enabled);
 240       hslider5.setEnabled(enabled);
 241       hslider6.setEnabled(enabled);
 242       hslider7.setEnabled(enabled);
 243       hslider8.setEnabled(enabled);
 244       vslider1.setEnabled(enabled);
 245       vslider2.setEnabled(enabled);
 246       vslider3.setEnabled(enabled);
 247       vslider4.setEnabled(enabled);
 248       vslider5.setEnabled(enabled);
 249       vslider6.setEnabled(enabled);
 250       vslider7.setEnabled(enabled);
 251       vslider8.setEnabled(enabled);
 252     }
 253   }
 254   public static void main(String[] args)
 255   {
 256     SwingUtilities.invokeLater
 257     (new Runnable()
 258      {
 259        public void run()
 260        {
 261          SliderDemo app = new SliderDemo();
 262          app.initFrameContent();
 263          JFrame frame = new JFrame("Slider Demo");
 264          frame.getContentPane().add(app);
 265          frame.pack();
 266          frame.setVisible(true);
 267        }
 268      });
 269   }
 270
 271
 272   /**
 273    * Returns a DemoFactory that creates a SliderDemo.
 274    *
 275    * @return a DemoFactory that creates a SliderDemo
 276    */
 277   public static DemoFactory createDemoFactory()
 278   {
 279     return new DemoFactory()
 280     {
 281       public JComponent createDemo()
 282       {
 283         return new SliderDemo();
 284       }
 285     };
 286   }
 287 }