1 files changed, 386 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/JDesktopPane.java b/libjava/classpath/javax/swing/JDesktopPane.java
new file mode 100644
index 000000000..6d8b21276
--- /dev/null
+++ b/libjava/classpath/javax/swing/JDesktopPane.java
@@ -0,0 +1,386 @@
+/* JDesktopPane.java --
+   Copyright (C) 2002, 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;
+
+import gnu.java.lang.CPStringBuilder;
+
+import java.awt.Component;
+import java.beans.PropertyVetoException;
+
+import javax.accessibility.Accessible;
+import javax.accessibility.AccessibleContext;
+import javax.accessibility.AccessibleRole;
+import javax.swing.plaf.DesktopPaneUI;
+
+/**
+ * JDesktopPane is a container (usually for JInternalFrames) that simulates a
+ * desktop. Typically, the user will create JInternalFrames and place them in
+ * a JDesktopPane. The user can then interact with JInternalFrames like they
+ * usually would with JFrames. The actions (minimize, maximize, close, etc)
+ * are done by using a DesktopManager that is associated with the
+ * JDesktopPane.
+ */
+public class JDesktopPane extends JLayeredPane implements Accessible
+{
+  private static final long serialVersionUID = 766333777224038726L;
+
+  /**
+   * This specifies that when dragged, a JInternalFrame should be completely
+   * visible.
+   *
+   * @specnote final since 1.5.0.
+   */
+  public static final int LIVE_DRAG_MODE = 0;
+
+  /**
+   * This specifies that when dragged, a JInternalFrame should only be visible
+   * as an outline.
+   *
+   * @specnote final since 1.5.0.
+   */
+  public static final int OUTLINE_DRAG_MODE = 1;
+
+  /** The selected frame in the JDesktopPane. */
+  private transient JInternalFrame selectedFrame;
+
+  /** The JDesktopManager to use for acting on JInternalFrames. */
+  transient DesktopManager desktopManager;
+
+  /** The drag mode used by the JDesktopPane. */
+  private transient int dragMode = LIVE_DRAG_MODE;
+
+  /**
+   * Indicates if the dragMode property has been set by a client
+   * program or by the UI.
+   *
+   * @see #setUIProperty(String, Object)
+   * @see LookAndFeel#installProperty(JComponent, String, Object)
+   */
+  private boolean clientDragModeSet = false;
+
+  /**
+   * Provides the accessibility features for the <code>JDesktopPane</code>
+   * component.
+   */
+  protected class AccessibleJDesktopPane extends AccessibleJComponent
+  {
+    private static final long serialVersionUID = 6079388927946077570L;
+
+    /**
+     * Creates a new <code>AccessibleJDesktopPane</code> instance.
+     */
+    protected AccessibleJDesktopPane()
+    {
+      // Nothing to do here.
+    }
+
+    /**
+     * Returns the accessible role for the <code>JSlider</code> component.
+     *
+     * @return {@link AccessibleRole#DESKTOP_PANE}.
+     */
+    public AccessibleRole getAccessibleRole()
+    {
+      return AccessibleRole.DESKTOP_PANE;
+    }
+  }
+
+  /**
+   * Creates a new JDesktopPane object.
+   */
+  public JDesktopPane()
+  {
+    setLayout(null);
+    updateUI();
+  }
+
+  /**
+   * This method returns the UI used with the JDesktopPane.
+   *
+   * @return The UI used with the JDesktopPane.
+   */
+  public DesktopPaneUI getUI()
+  {
+    return (DesktopPaneUI) ui;
+  }
+
+  /**
+   * This method sets the UI used with the JDesktopPane.
+   *
+   * @param ui The UI to use with the JDesktopPane.
+   */
+  public void setUI(DesktopPaneUI ui)
+  {
+    super.setUI(ui);
+  }
+
+  /**
+   * This method sets the drag mode to use with the JDesktopPane.
+   *
+   * @param mode The drag mode to use.
+   *
+   * @throws IllegalArgumentException If the drag mode given is not
+   *         LIVE_DRAG_MODE or OUTLINE_DRAG_MODE.
+   */
+  public void setDragMode(int mode)
+  {
+    if ((mode != LIVE_DRAG_MODE) && (mode != OUTLINE_DRAG_MODE))
+      throw new IllegalArgumentException("Drag mode not valid.");
+
+    clientDragModeSet = true;
+
+    // FIXME: Unsupported mode.
+    if (mode == OUTLINE_DRAG_MODE)
+      // throw new IllegalArgumentException("Outline drag modes are
+      // unsupported.");
+      mode = LIVE_DRAG_MODE;
+
+    dragMode = mode;
+  }
+
+  /**
+   * This method returns the drag mode used with the JDesktopPane.
+   *
+   * @return The drag mode used with the JDesktopPane.
+   */
+  public int getDragMode()
+  {
+    return dragMode;
+  }
+
+  /**
+   * This method returns the DesktopManager used with the JDesktopPane.
+   *
+   * @return The DesktopManager to use with the JDesktopPane.
+   */
+  public DesktopManager getDesktopManager()
+  {
+    return desktopManager;
+  }
+
+  /**
+   * This method sets the DesktopManager to use with the JDesktopPane.
+   *
+   * @param manager The DesktopManager to use with the JDesktopPane.
+   */
+  public void setDesktopManager(DesktopManager manager)
+  {
+    desktopManager = manager;
+  }
+
+  /**
+   * This method restores the UI used with the JDesktopPane to the default.
+   */
+  public void updateUI()
+  {
+    setUI((DesktopPaneUI) UIManager.getUI(this));
+  }
+
+  /**
+   * This method returns a String identifier that allows the UIManager to know
+   * which class will act as JDesktopPane's UI.
+   *
+   * @return A String identifier for the UI class to use.
+   */
+  public String getUIClassID()
+  {
+    return "DesktopPaneUI";
+  }
+
+  /**
+   * This method returns all JInternalFrames that are in the JDesktopPane.
+   *
+   * @return All JInternalFrames that are in the JDesktopPane.
+   */
+  public JInternalFrame[] getAllFrames()
+  {
+    return getFramesFromComponents(getComponents());
+  }
+
+  /**
+   * This method returns the currently selected frame in the JDesktopPane.
+   *
+   * @return The currently selected frame in the JDesktopPane.
+   */
+  public JInternalFrame getSelectedFrame()
+  {
+    return selectedFrame;
+  }
+
+  /**
+   * This method sets the selected frame in the JDesktopPane.
+   *
+   * @param frame The selected frame in the JDesktopPane.
+   */
+  public void setSelectedFrame(JInternalFrame frame)
+  {
+    if (selectedFrame != null)
+      {
+        try
+          {
+            selectedFrame.setSelected(false);
+          }
+        catch (PropertyVetoException e)
+          {
+            // We do nothing when the attempt is vetoed.
+          }
+      }
+    selectedFrame = null;
+
+    try
+      {
+        if (frame != null)
+          frame.setSelected(true);
+
+        selectedFrame = frame;
+      }
+    catch (PropertyVetoException e)
+      {
+        // We do nothing when the attempt is vetoed.
+      }
+  }
+
+  /**
+   * This method returns all the JInternalFrames in the given layer.
+   *
+   * @param layer The layer to grab frames in.
+   *
+   * @return All JInternalFrames in the given layer.
+   */
+  public JInternalFrame[] getAllFramesInLayer(int layer)
+  {
+    return getFramesFromComponents(getComponentsInLayer(layer));
+  }
+
+  /**
+   * This method always returns true to indicate that it is not transparent.
+   *
+   * @return true.
+   */
+  public boolean isOpaque()
+  {
+    return true;
+  }
+
+  /**
+   * Returns an implementation-dependent string describing the attributes of
+   * this <code>JDesktopPane</code>.
+   *
+   * @return A string describing the attributes of this <code>JDesktopPane</code>
+   *         (never <code>null</code>).
+   */
+  protected String paramString()
+  {
+    String superParamStr = super.paramString();
+    CPStringBuilder sb = new CPStringBuilder();
+    sb.append(",isOptimizedDrawingPossible=");
+    sb.append(isOptimizedDrawingEnabled());
+    sb.append(",desktopManager=");
+    if (desktopManager != null)
+      sb.append(desktopManager);
+    return superParamStr + sb.toString();
+  }
+
+  /**
+   * This method returns all the JInternalFrames in the given Component array.
+   *
+   * @param components An array to search for JInternalFrames in.
+   *
+   * @return An array of JInternalFrames found in the Component array.
+   */
+  private static JInternalFrame[] getFramesFromComponents(Component[] components)
+  {
+    int count = 0;
+
+    for (int i = 0; i < components.length; i++)
+        if (components[i] instanceof JInternalFrame)
+          count++;
+
+    JInternalFrame[] value = new JInternalFrame[count];
+    for (int i = 0, j = 0; i < components.length && j != count; i++)
+      if (components[i] instanceof JInternalFrame)
+        value[j++] = (JInternalFrame) components[i];
+    return value;
+  }
+
+  /**
+   * Returns the object that provides accessibility features for this
+   * <code>JDesktopPane</code> component.
+   *
+   * @return The accessible context (an instance of
+   *     {@link AccessibleJDesktopPane}).
+   */
+  public AccessibleContext getAccessibleContext()
+  {
+    if (accessibleContext == null)
+      accessibleContext = new AccessibleJDesktopPane();
+
+    return accessibleContext;
+  }
+
+  /**
+   * Helper method for
+   * {@link LookAndFeel#installProperty(JComponent, String, Object)}.
+   *
+   * @param propertyName the name of the property
+   * @param value the value of the property
+   *
+   * @throws IllegalArgumentException if the specified property cannot be set
+   *         by this method
+   * @throws ClassCastException if the property value does not match the
+   *         property type
+   * @throws NullPointerException if <code>c</code> or
+   *         <code>propertyValue</code> is <code>null</code>
+   */
+  void setUIProperty(String propertyName, Object value)
+  {
+    if (propertyName.equals("dragMode"))
+      {
+        if (! clientDragModeSet)
+          {
+            setDragMode(((Integer) value).intValue());
+            clientDragModeSet = false;
+          }
+      }
+    else
+      {
+        super.setUIProperty(propertyName, value);
+      }
+  }
+}