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1 files changed, 470 insertions, 0 deletions

diff --git a/libjava/classpath/javax/swing/plaf/basic/BasicDesktopPaneUI.java b/libjava/classpath/javax/swing/plaf/basic/BasicDesktopPaneUI.java
new file mode 100644
index 000000000..cbc3f9f89
--- /dev/null
+++ b/libjava/classpath/javax/swing/plaf/basic/BasicDesktopPaneUI.java
@@ -0,0 +1,470 @@
+/* BasicDesktopPaneUI.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.basic;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.beans.PropertyVetoException;
+
+import javax.swing.AbstractAction;
+import javax.swing.DefaultDesktopManager;
+import javax.swing.DesktopManager;
+import javax.swing.JComponent;
+import javax.swing.JDesktopPane;
+import javax.swing.JInternalFrame;
+import javax.swing.KeyStroke;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.DesktopPaneUI;
+import javax.swing.plaf.UIResource;
+
+/**
+ * This class is the UI delegate for JDesktopPane for the Basic look and feel.
+ */
+public class BasicDesktopPaneUI extends DesktopPaneUI
+{
+  /**
+   * This helper class is used to handle key events that cause JInternalFrames
+   * to be closed.
+   */
+  protected class CloseAction extends AbstractAction
+  {
+    /**
+     * This method is called when the action is performed.
+     *
+     * @param e The ActionEvent.
+     */
+    public void actionPerformed(ActionEvent e)
+    {
+      if (desktop.getSelectedFrame() != null)
+        {
+          try
+            {
+              desktop.getSelectedFrame().setClosed(true);
+            }
+          catch (PropertyVetoException pve)
+            {
+              // We do nothing if the attempts has been vetoed.
+            }
+        }
+    }
+
+    /**
+     * This method returns whether the action is enabled.
+     *
+     * @return Whether the action is enabled.
+     */
+    public boolean isEnabled()
+    {
+      if (desktop.getSelectedFrame() != null)
+        return desktop.getSelectedFrame().isClosable();
+      return false;
+    }
+  }
+
+  /**
+   * This helper class is used to handle key events that cause JInternalFrames
+   * to be maximized.
+   */
+  protected class MaximizeAction extends AbstractAction
+  {
+    /**
+     * This method is called when the action is performed.
+     *
+     * @param e The ActionEvent.
+     */
+    public void actionPerformed(ActionEvent e)
+    {
+      if (desktop.getSelectedFrame() != null)
+        {
+          try
+            {
+              desktop.getSelectedFrame().setMaximum(true);
+            }
+          catch (PropertyVetoException pve)
+            {
+              // We do nothing if the attempts has been vetoed.
+            }
+        }
+    }
+
+    /**
+     * This method returns whether the action is enabled.
+     *
+     * @return Whether the action is enabled.
+     */
+    public boolean isEnabled()
+    {
+      if (desktop.getSelectedFrame() != null)
+        return desktop.getSelectedFrame().isMaximizable();
+      return false;
+    }
+  }
+
+  /**
+   * This helper class is used to handle key events that cause JInternalFrames
+   * to be minimized.
+   */
+  protected class MinimizeAction extends AbstractAction
+  {
+    /**
+     * This method is called when the action is performed.
+     *
+     * @param e The ActionEvent.
+     */
+    public void actionPerformed(ActionEvent e)
+    {
+      if (desktop.getSelectedFrame() != null)
+        {
+          try
+            {
+              desktop.getSelectedFrame().setIcon(true);
+            }
+          catch (PropertyVetoException pve)
+            {
+              // We do nothing if the attempt has been vetoed.
+            }
+        }
+    }
+
+    /**
+     * This method returns whether the action is enabled.
+     *
+     * @return Whether the action is enabled.
+     */
+    public boolean isEnabled()
+    {
+      if (desktop.getSelectedFrame() != null)
+        return desktop.getSelectedFrame().isIconifiable();
+      return false;
+    }
+  }
+
+  /**
+   * This helper class is used to handle key events that pass the SELECTED
+   * property to the next JInternalFrame in the JDesktopPane's list of
+   * children.
+   */
+  protected class NavigateAction extends AbstractAction
+  {
+    /**
+     * This method is called when the action is performed.
+     *
+     * @param e The ActionEvent.
+     */
+    public void actionPerformed(ActionEvent e)
+    {
+      // This is supposed to set the next selected frame.
+      JInternalFrame[] frames = desktop.getAllFrames();
+      if (frames.length == 0)
+        return;
+
+      JInternalFrame sFrame = frames[0];
+      if (desktop.getSelectedFrame() != null)
+        sFrame = desktop.getSelectedFrame();
+
+      int i = 0;
+      for (; i < frames.length; i++)
+        if (frames[i] == sFrame)
+          break;
+
+      // FIXME: Navigate actions go reverse too.
+      if (i == frames.length)
+        i = 0;
+
+      desktop.setSelectedFrame(frames[i]);
+    }
+
+    /**
+     * This method returns whether the action is enabled.
+     *
+     * @return Whether this action is enabled.
+     */
+    public boolean isEnabled()
+    {
+      // Always true.
+      return true;
+    }
+  }
+
+  /**
+   * This helper class is used to restore the JInternalFrame to its original
+   * size before maximizing or iconifying.
+   */
+  protected class OpenAction extends AbstractAction
+  {
+    /**
+     * This method is called when the action is performed.
+     *
+     * @param e The ActionEvent.
+     */
+    public void actionPerformed(ActionEvent e)
+    {
+      JInternalFrame frame = desktop.getSelectedFrame();
+      if (frame != null)
+        {
+          try
+            {
+              if (frame.isIcon())
+                frame.setIcon(false);
+              else if (frame.isMaximum())
+                frame.setMaximum(false);
+            }
+          catch (PropertyVetoException pve)
+            {
+              // We do nothing if the attempt has been vetoed.
+            }
+        }
+    }
+
+    /**
+     * This method returns whether the action is enabled.
+     *
+     * @return Whether this action is enabled.
+     */
+    public boolean isEnabled()
+    {
+      // JInternalFrames are always restorable.
+      return true;
+    }
+  }
+
+  /**
+   * The KeyStroke associated with closing JInternalFrames.
+   * @deprecated
+   */
+  protected KeyStroke closeKey;
+
+  /**
+   * The KeyStroke associated with maximizing JInternalFrames.
+   * @deprecated
+   */
+  protected KeyStroke maximizeKey;
+
+  /**
+   * The KeyStroke associated with minimizing JInternalFrames.
+   * @deprecated
+   */
+  protected KeyStroke minimizeKey;
+
+  /**
+   * The KeyStroke associated with navigating (forward?) through
+   * JInternalFrames.
+   * @deprecated
+   */
+  protected KeyStroke navigateKey;
+
+  /**
+   * The KeyStroke associated with navigating (backward?) through
+   * JInternalFrames.
+   * @deprecated
+   */
+  protected KeyStroke navigateKey2;
+
+  /** The default desktop manager used with JDesktopPane. */
+  protected DesktopManager desktopManager;
+
+  /** The JDesktopPane this UI is used with. */
+  protected JDesktopPane desktop;
+
+  /**
+   * Creates a new BasicDesktopPaneUI object.
+   */
+  public BasicDesktopPaneUI()
+  {
+    // Nothing to do here.
+  }
+
+  /**
+   * This method creates a BasicDesktopPaneUI for the given JComponent.
+   *
+   * @param c The JComponent to create a UI for.
+   *
+   * @return A new BasicDesktopPaneUI.
+   */
+  public static ComponentUI createUI(JComponent c)
+  {
+    return new BasicDesktopPaneUI();
+  }
+
+  /**
+   * This method returns the maximum size for the given JComponent.
+   *
+   * @param c The JComponent to find a maximum size for.
+   *
+   * @return The maximum size for the given JComponent.
+   */
+  public Dimension getMaximumSize(JComponent c)
+  {
+    return getPreferredSize(c);
+  }
+
+  /**
+   * This method returns the minimum size for the given JComponent.
+   *
+   * @param c The JComponent to find a minimum size for.
+   *
+   * @return The minimum size for the given JComponent.
+   */
+  public Dimension getMinimumSize(JComponent c)
+  {
+    return getPreferredSize(c);
+  }
+
+  /**
+   * This method returns the preferred size for the given JComponent.
+   *
+   * @param c The JComponent to find a preferred size for.
+   *
+   * @return The preferred size for the given JComponent.
+   */
+  public Dimension getPreferredSize(JComponent c)
+  {
+    // return null because JDesktopPanes don't have preferred sizes.
+    return null;
+  }
+
+  /**
+   * This method installs the defaults for the JDesktopPane provided by the
+   * current look and feel.
+   */
+  protected void installDefaults()
+  {
+    Color bg = desktop.getBackground();
+    if (bg == null || bg instanceof UIResource)
+      desktop.setBackground(UIManager.getColor("desktop"));
+  }
+
+  /**
+   * This method installs the desktop manager for the JDesktopPane.
+   */
+  protected void installDesktopManager()
+  {
+    desktopManager = new DefaultDesktopManager();
+    desktop.setDesktopManager(desktopManager);
+  }
+
+  /**
+   * This method installs the keyboard actions for the JDesktopPane.
+   */
+  protected void installKeyboardActions()
+  {
+    // FIXME: create actions and keystrokes.
+    registerKeyboardActions();
+  }
+
+  /**
+   * This method installs the UI for the given JComponent.
+   *
+   * @param c The JComponent to install this UI for.
+   */
+  public void installUI(JComponent c)
+  {
+    if (c instanceof JDesktopPane)
+      {
+        desktop = (JDesktopPane) c;
+
+        installDefaults();
+        installDesktopManager();
+        installKeyboardActions();
+      }
+  }
+
+  /**
+   * This method registers the actions to the appropriate Action and Input
+   * maps.
+   */
+  protected void registerKeyboardActions()
+  {
+    // FIXME: Do the binding.
+    // XXX: the gtk windows tend to intercept a lot of the
+    // key events for themselves. must figure a way past that
+    // before binding
+  }
+
+  /**
+   * This method reverses the work done by the installDefaults method.
+   */
+  protected void uninstallDefaults()
+  {
+    desktop.setBackground(null);
+  }
+
+  /**
+   * This method reverses the work done by the installDesktopManager method.
+   */
+  protected void uninstallDesktopManager()
+  {
+    desktopManager = null;
+    desktop.setDesktopManager(null);
+  }
+
+  /**
+   * This method reverses the work done by the installKeyboardActions method.
+   */
+  protected void uninstallKeyboardActions()
+  {
+    unregisterKeyboardActions();
+    // FIXME: null the actions and keystrokes.
+  }
+
+  /**
+   * This method reverses the work done by the registerKeyboardActions method.
+   */
+  protected void unregisterKeyboardActions()
+  {
+    // FIXME: unmap the keystrokes
+  }
+
+  /**
+   * This method uninstalls the UI for the given JComponent. It should reverse
+   * all the work done by the installUI method.
+   *
+   * @param c The JComponent to uninstall this UI for.
+   */
+  public void uninstallUI(JComponent c)
+  {
+    uninstallKeyboardActions();
+    uninstallDesktopManager();
+    uninstallDefaults();
+
+    desktop = null;
+  }
+}