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

   1 /* TabbedPaneDemo.java -- Demonstrates JTabbedPane
   2    Copyright (C) 2006 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   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 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package gnu.classpath.examples.swing;
  40
  41 import java.awt.BorderLayout;
  42 import java.awt.GridLayout;
  43 import java.awt.event.ActionEvent;
  44 import java.awt.event.ActionListener;
  45
  46 import javax.swing.JButton;
  47 import javax.swing.JComponent;
  48 import javax.swing.JFrame;
  49 import javax.swing.JPanel;
  50 import javax.swing.JTabbedPane;
  51 import javax.swing.SwingConstants;
  52 import javax.swing.SwingUtilities;
  53
  54 public class TabbedPaneDemo
  55   extends JPanel
  56   implements ActionListener
  57 {
  58   TabbedPaneDemo()
  59   {
  60     super();
  61     createContent();
  62   }
  63
  64   private void createContent()
  65   {
  66     JPanel p = new JPanel();
  67     p.setLayout(new GridLayout(2, 2));
  68     JTabbedPane tabs1 = new JTabbedPane(SwingConstants.TOP);
  69     tabs1.add("Top Item 1", new JButton("Button"));
  70     tabs1.add("Top Item 2", new JButton("Button"));
  71     JTabbedPane tabs2 = new JTabbedPane(SwingConstants.LEFT);
  72     tabs2.add("Left Item 1", new JButton("Button"));
  73     tabs2.add("Left Item 2", new JButton("Button"));
  74     JTabbedPane tabs3 = new JTabbedPane(SwingConstants.BOTTOM);
  75     tabs3.add("Bottom Item 1", new JButton("Button"));
  76     tabs3.add("Bottom Item 2", new JButton("Button"));
  77     JTabbedPane tabs4 = new JTabbedPane(SwingConstants.RIGHT);
  78     tabs4.add("Right Item 1", new JButton("Button"));
  79     tabs4.add("Right Item 2", new JButton("Button"));
  80     p.add(tabs1);
  81     p.add(tabs2);
  82     p.add(tabs3);
  83     p.add(tabs4);
  84     setLayout(new BorderLayout());
  85     add(p, BorderLayout.CENTER);
  86   }
  87
  88   public void actionPerformed(ActionEvent e)
  89   {
  90     if (e.getActionCommand().equals("CLOSE"))
  91     {
  92       System.exit(0);
  93     }
  94   }
  95
  96   /**
  97    * When the demo is run independently, the frame is displayed, so we should
  98    * initialise the content panel (including the demo content and a close
  99    * button).  But when the demo is run as part of the Swing activity board,
 100    * only the demo content panel is used, the frame itself is never displayed,
 101    * so we can avoid this step.
 102    */
 103   void initFrameContent()
 104   {
 105     JPanel closePanel = new JPanel();
 106     JButton closeButton = new JButton("Close");
 107     closeButton.setActionCommand("CLOSE");
 108     closeButton.addActionListener(this);
 109     closePanel.add(closeButton);
 110     add(closePanel, BorderLayout.SOUTH);
 111   }
 112
 113   public static void main(String[] args)
 114   {
 115     SwingUtilities.invokeLater
 116     (new Runnable()
 117      {
 118        public void run()
 119        {
 120          TabbedPaneDemo app = new TabbedPaneDemo();
 121          app.initFrameContent();
 122          JFrame frame = new JFrame("TabbedPane Demo");
 123          frame.getContentPane().add(app);
 124          frame.pack();
 125          frame.setVisible(true);
 126        }
 127      });
 128   }
 129
 130   /**
 131    * Returns a DemoFactory that creates a TabbedPaneDemo.
 132    *
 133    * @return a DemoFactory that creates a TabbedPaneDemo
 134    */
 135   public static DemoFactory createDemoFactory()
 136   {
 137     return new DemoFactory()
 138     {
 139       public JComponent createDemo()
 140       {
 141         return new TabbedPaneDemo();
 142       }
 143     };
 144   }
 145 }