--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/ExtInternalFrame.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,141 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.swing;
+
+import java.awt.*;
+import java.awt.event.MouseMotionListener;
+import javax.swing.*;
+import javax.swing.plaf.basic.BasicInternalFrameUI;
+
+/**
+ * The {@code ExtInternalFrame} class is a {@code JInternalFrame} with the
+ * following extras:
+ * <ul>
+ *   <li>
+ *	the ability to {@link #setValidateRoot resize with its content}
+ *   </li>
+ *   <li>
+ *	the ability to {@link #disableMove disable user movement} of the frame
+ *   </li>
+ * </ul>
+ */
+@SuppressWarnings({"serial"})
+public class ExtInternalFrame extends JInternalFrame {
+    //
+    // Instance data
+    //
+
+    // Default behavior
+    private boolean validateRoot = true;
+
+    //
+    // Constructors
+    //
+
+    public ExtInternalFrame() {
+	init();
+    }
+
+    public ExtInternalFrame(String title) {
+	super(title);
+	init();
+    }
+
+    public ExtInternalFrame(String title, boolean resizable) {
+	super(title, resizable);
+	init();
+    }
+
+    public ExtInternalFrame(String title, boolean resizable,
+	boolean closable) {
+
+	super(title, resizable, closable);
+	init();
+    }
+
+    public ExtInternalFrame(String title, boolean resizable,
+	boolean closable, boolean maximizable) {
+
+	super(title, resizable, closable, maximizable);
+	init();
+    }
+
+    public ExtInternalFrame(String title, boolean resizable,
+	boolean closable, boolean maximizable, boolean iconifiable)  {
+
+	super(title, resizable, closable, maximizable, iconifiable);
+	init();
+    }
+
+    //
+    // ExtInternalFrame methods
+    //
+
+    /**
+     * Prevents the user from moving this {@code JInternalFrame}.
+     */
+    public void disableMove() {
+	BasicInternalFrameUI ui = (BasicInternalFrameUI)getUI();
+	Component north = ui.getNorthPane();
+	// Yes, this is a hack, but JInternalFrame forces our hand here
+	removeMouseMotionListeners(north);
+    }
+
+    /**
+     * Sets whether this {@code JInternalFrame}'s {@code JRootPane} is a root of
+     * the validation hierarchy.  Setting this to {@code true} (the default is
+     * {@code false}) means that this {@code JInternalFrame}'s size can change
+     * with its contents.
+     */
+    public void setValidateRoot(boolean validateRoot) {
+	this.validateRoot = validateRoot;
+    }
+
+    //
+    // Private methods
+    //
+
+    private void init() {
+	setRootPane(new JRootPane() {
+	    @Override
+	    public boolean isValidateRoot() {
+		return validateRoot;
+	    }
+	});
+    }
+
+    private void removeMouseMotionListeners(Component comp) {
+	for (MouseMotionListener listener : comp.getMouseMotionListeners()) {
+	    comp.removeMouseMotionListener(listener);
+	}
+
+	if (comp instanceof Container) {
+	    for (Component child : ((Container)comp).getComponents()) {
+		removeMouseMotionListeners(child);
+	    }
+	}
+    }
+}