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	/*
	* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code 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
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/


	package javax.swing;

	import com.sun.awt.AWTUtilities;
	import sun.awt.AWTAccessor;
	import sun.awt.SunToolkit;

	import java.awt.*;
	import java.beans.PropertyVetoException;

	/** This is an implementation of the <code>DesktopManager</code>.
	* It currently implements the basic behaviors for managing
	* <code>JInternalFrame</code>s in an arbitrary parent.
	* <code>JInternalFrame</code>s that are not children of a
	* <code>JDesktop</code> will use this component
	* to handle their desktop-like actions.
	* <p>This class provides a policy for the various JInternalFrame methods,
	* it is not meant to be called directly rather the various JInternalFrame
	* methods will call into the DesktopManager.</p>
	* @see JDesktopPane
	* @see JInternalFrame
	* @author David Kloba
	* @author Steve Wilson
	*/
	public class DefaultDesktopManager implements DesktopManager, java.io.Serializable {
	final static String HAS_BEEN_ICONIFIED_PROPERTY = "wasIconOnce";

	final static int DEFAULT_DRAG_MODE = 0;
	final static int OUTLINE_DRAG_MODE = 1;
	final static int FASTER_DRAG_MODE = 2;

	int dragMode = DEFAULT_DRAG_MODE;

	private transient Rectangle currentBounds = null;
	private transient Graphics desktopGraphics = null;
	private transient Rectangle desktopBounds = null;
	private transient Rectangle[] floatingItems = {};

	/**
	* Set to true when the user actually drags a frame vs clicks on it
	* to start the drag operation. This is only used when dragging with
	* FASTER_DRAG_MODE.
	*/
	private transient boolean didDrag;

	/** Normally this method will not be called. If it is, it
	* try to determine the appropriate parent from the desktopIcon of the frame.
	* Will remove the desktopIcon from its parent if it successfully adds the frame.
	*/
	public void openFrame(JInternalFrame f) {
	if(f.getDesktopIcon().getParent() != null) {
	f.getDesktopIcon().getParent().add(f);
	removeIconFor(f);
	}
	}

	/**
	* Removes the frame, and, if necessary, the
	* <code>desktopIcon</code>, from its parent.
	* @param f the <code>JInternalFrame</code> to be removed
	*/
	public void closeFrame(JInternalFrame f) {
	JDesktopPane d = f.getDesktopPane();
	if (d == null) {
	return;
	}
	boolean findNext = f.isSelected();
	Container c = f.getParent();
	JInternalFrame nextFrame = null;
	if (findNext) {
	nextFrame = d.getNextFrame(f);
	try { f.setSelected(false); } catch (PropertyVetoException e2) { }
	}
	if(c != null) {
	c.remove(f); // Removes the focus.
	c.repaint(f.getX(), f.getY(), f.getWidth(), f.getHeight());
	}
	removeIconFor(f);
	if(f.getNormalBounds() != null)
	f.setNormalBounds(null);
	if(wasIcon(f))
	setWasIcon(f, null);
	if (nextFrame != null) {
	try { nextFrame.setSelected(true); }
	catch (PropertyVetoException e2) { }
	} else if (findNext && d.getComponentCount() == 0) {
	// It was selected and was the last component on the desktop.
	d.requestFocus();
	}
	}

	/**
	* Resizes the frame to fill its parents bounds.
	* @param f the frame to be resized
	*/
	public void maximizeFrame(JInternalFrame f) {
	if (f.isIcon()) {
	try {
	// In turn calls deiconifyFrame in the desktop manager.
	// That method will handle the maximization of the frame.
	f.setIcon(false);
	} catch (PropertyVetoException e2) {
	}
	} else {
	f.setNormalBounds(f.getBounds());
	Rectangle desktopBounds = f.getParent().getBounds();
	setBoundsForFrame(f, 0, 0,
	desktopBounds.width, desktopBounds.height);
	}

	// Set the maximized frame as selected.
	try {
	f.setSelected(true);
	} catch (PropertyVetoException e2) {
	}
	}

	/**
	* Restores the frame back to its size and position prior
	* to a <code>maximizeFrame</code> call.
	* @param f the <code>JInternalFrame</code> to be restored
	*/
	public void minimizeFrame(JInternalFrame f) {
	// If the frame was an icon restore it back to an icon.
	if (f.isIcon()) {
	iconifyFrame(f);
	return;
	}

	if ((f.getNormalBounds()) != null) {
	Rectangle r = f.getNormalBounds();
	f.setNormalBounds(null);
	try { f.setSelected(true); } catch (PropertyVetoException e2) { }
	setBoundsForFrame(f, r.x, r.y, r.width, r.height);
	}
	}

	/**
	* Removes the frame from its parent and adds its
	* <code>desktopIcon</code> to the parent.
	* @param f the <code>JInternalFrame</code> to be iconified
	*/
	public void iconifyFrame(JInternalFrame f) {
	JInternalFrame.JDesktopIcon desktopIcon;
	Container c = f.getParent();
	JDesktopPane d = f.getDesktopPane();
	boolean findNext = f.isSelected();
	desktopIcon = f.getDesktopIcon();
	if(!wasIcon(f)) {
	Rectangle r = getBoundsForIconOf(f);
	desktopIcon.setBounds(r.x, r.y, r.width, r.height);
	// we must validate the hierarchy to not break the hw/lw mixing
	desktopIcon.revalidate();
	setWasIcon(f, Boolean.TRUE);
	}

	if (c == null \|\| d == null) {
	return;
	}

	if (c instanceof JLayeredPane) {
	JLayeredPane lp = (JLayeredPane)c;
	int layer = lp.getLayer(f);
	lp.putLayer(desktopIcon, layer);
	}

	// If we are maximized we already have the normal bounds recorded
	// don't try to re-record them, otherwise we incorrectly set the
	// normal bounds to maximized state.
	if (!f.isMaximum()) {
	f.setNormalBounds(f.getBounds());
	}
	d.setComponentOrderCheckingEnabled(false);
	c.remove(f);
	c.add(desktopIcon);
	d.setComponentOrderCheckingEnabled(true);
	c.repaint(f.getX(), f.getY(), f.getWidth(), f.getHeight());
	if (findNext) {
	if (d.selectFrame(true) == null) {
	// The icon is the last frame.
	f.restoreSubcomponentFocus();
	}
	}
	}

	/**
	* Removes the desktopIcon from its parent and adds its frame
	* to the parent.
	* @param f the <code>JInternalFrame</code> to be de-iconified
	*/
	public void deiconifyFrame(JInternalFrame f) {
	JInternalFrame.JDesktopIcon desktopIcon = f.getDesktopIcon();
	Container c = desktopIcon.getParent();
	JDesktopPane d = f.getDesktopPane();
	if (c != null && d != null) {
	c.add(f);
	// If the frame is to be restored to a maximized state make
	// sure it still fills the whole desktop.
	if (f.isMaximum()) {
	Rectangle desktopBounds = c.getBounds();
	if (f.getWidth() != desktopBounds.width \|\|
	f.getHeight() != desktopBounds.height) {
	setBoundsForFrame(f, 0, 0,
	desktopBounds.width, desktopBounds.height);
	}
	}
	removeIconFor(f);
	if (f.isSelected()) {
	f.moveToFront();
	f.restoreSubcomponentFocus();
	}
	else {
	try {
	f.setSelected(true);
	} catch (PropertyVetoException e2) {}

	}
	}
	}

	/** This will activate <b>f</b> moving it to the front. It will
	* set the current active frame's (if any)
	* <code>IS_SELECTED_PROPERTY</code> to <code>false</code>.
	* There can be only one active frame across all Layers.
	* @param f the <code>JInternalFrame</code> to be activated
	*/
	public void activateFrame(JInternalFrame f) {
	Container p = f.getParent();
	Component[] c;
	JDesktopPane d = f.getDesktopPane();
	JInternalFrame currentlyActiveFrame =
	(d == null) ? null : d.getSelectedFrame();
	// fix for bug: 4162443
	if(p == null) {
	// If the frame is not in parent, its icon maybe, check it
	p = f.getDesktopIcon().getParent();
	if(p == null)
	return;
	}
	// we only need to keep track of the currentActive InternalFrame, if any
	if (currentlyActiveFrame == null){
	if (d != null) { d.setSelectedFrame(f);}
	} else if (currentlyActiveFrame != f) {
	// if not the same frame as the current active
	// we deactivate the current
	if (currentlyActiveFrame.isSelected()) {
	try {
	currentlyActiveFrame.setSelected(false);
	}
	catch(PropertyVetoException e2) {}
	}
	if (d != null) { d.setSelectedFrame(f);}
	}
	f.moveToFront();
	}

	// implements javax.swing.DesktopManager
	public void deactivateFrame(JInternalFrame f) {
	JDesktopPane d = f.getDesktopPane();
	JInternalFrame currentlyActiveFrame =
	(d == null) ? null : d.getSelectedFrame();
	if (currentlyActiveFrame == f)
	d.setSelectedFrame(null);
	}

	// implements javax.swing.DesktopManager
	public void beginDraggingFrame(JComponent f) {
	setupDragMode(f);

	if (dragMode == FASTER_DRAG_MODE) {
	Component desktop = f.getParent();
	floatingItems = findFloatingItems(f);
	currentBounds = f.getBounds();
	if (desktop instanceof JComponent) {
	desktopBounds = ((JComponent)desktop).getVisibleRect();
	}
	else {
	desktopBounds = desktop.getBounds();
	desktopBounds.x = desktopBounds.y = 0;
	}
	desktopGraphics = JComponent.safelyGetGraphics(desktop);
	((JInternalFrame)f).isDragging = true;
	didDrag = false;
	}

	}

	private void setupDragMode(JComponent f) {
	JDesktopPane p = getDesktopPane(f);
	Container parent = f.getParent();
	dragMode = DEFAULT_DRAG_MODE;
	if (p != null) {
	String mode = (String)p.getClientProperty("JDesktopPane.dragMode");
	Window window = SwingUtilities.getWindowAncestor(f);
	if (window != null && !AWTUtilities.isWindowOpaque(window)) {
	dragMode = DEFAULT_DRAG_MODE;
	} else if (mode != null && mode.equals("outline")) {
	dragMode = OUTLINE_DRAG_MODE;
	} else if (mode != null && mode.equals("faster")
	&& f instanceof JInternalFrame
	&& ((JInternalFrame)f).isOpaque() &&
	(parent == null \|\| parent.isOpaque())) {
	dragMode = FASTER_DRAG_MODE;
	} else {
	if (p.getDragMode() == JDesktopPane.OUTLINE_DRAG_MODE ) {
	dragMode = OUTLINE_DRAG_MODE;
	} else if ( p.getDragMode() == JDesktopPane.LIVE_DRAG_MODE
	&& f instanceof JInternalFrame
	&& ((JInternalFrame)f).isOpaque()) {
	dragMode = FASTER_DRAG_MODE;
	} else {
	dragMode = DEFAULT_DRAG_MODE;
	}
	}
	}
	}

	private transient Point currentLoc = null;

	/**
	* Moves the visible location of the frame being dragged
	* to the location specified. The means by which this occurs can vary depending
	* on the dragging algorithm being used. The actual logical location of the frame
	* might not change until <code>endDraggingFrame</code> is called.
	*/
	public void dragFrame(JComponent f, int newX, int newY) {

	if (dragMode == OUTLINE_DRAG_MODE) {
	JDesktopPane desktopPane = getDesktopPane(f);
	if (desktopPane != null){
	Graphics g = JComponent.safelyGetGraphics(desktopPane);

	g.setXORMode(Color.white);
	if (currentLoc != null) {
	g.drawRect(currentLoc.x, currentLoc.y,
	f.getWidth()-1, f.getHeight()-1);
	}
	g.drawRect( newX, newY, f.getWidth()-1, f.getHeight()-1);
	/* Work around for 6635462: XOR mode may cause a SurfaceLost on first use.
	* Swing doesn't expect that its XOR drawRect did
	* not complete, so believes that on re-entering at
	* the next update location, that there is an XOR rect
	* to draw out at "currentLoc". But in fact
	* its now got a new clean surface without that rect,
	* so drawing it "out" in fact draws it on, leaving garbage.
	* So only update/set currentLoc if the draw completed.
	*/
	sun.java2d.SurfaceData sData =
	((sun.java2d.SunGraphics2D)g).getSurfaceData();

	if (!sData.isSurfaceLost()) {
	currentLoc = new Point (newX, newY);
	}
	;
	g.dispose();
	}
	} else if (dragMode == FASTER_DRAG_MODE) {
	dragFrameFaster(f, newX, newY);
	} else {
	setBoundsForFrame(f, newX, newY, f.getWidth(), f.getHeight());
	}
	}

	// implements javax.swing.DesktopManager
	public void endDraggingFrame(JComponent f) {
	if ( dragMode == OUTLINE_DRAG_MODE && currentLoc != null) {
	setBoundsForFrame(f, currentLoc.x, currentLoc.y, f.getWidth(), f.getHeight() );
	currentLoc = null;
	} else if (dragMode == FASTER_DRAG_MODE) {
	currentBounds = null;
	if (desktopGraphics != null) {
	desktopGraphics.dispose();
	desktopGraphics = null;
	}
	desktopBounds = null;
	((JInternalFrame)f).isDragging = false;
	}
	}

	// implements javax.swing.DesktopManager
	public void beginResizingFrame(JComponent f, int direction) {
	setupDragMode(f);
	}

	/**
	* Calls <code>setBoundsForFrame</code> with the new values.
	* @param f the component to be resized
	* @param newX the new x-coordinate
	* @param newY the new y-coordinate
	* @param newWidth the new width
	* @param newHeight the new height
	*/
	public void resizeFrame(JComponent f, int newX, int newY, int newWidth, int newHeight) {

	if ( dragMode == DEFAULT_DRAG_MODE \|\| dragMode == FASTER_DRAG_MODE ) {
	setBoundsForFrame(f, newX, newY, newWidth, newHeight);
	} else {
	JDesktopPane desktopPane = getDesktopPane(f);
	if (desktopPane != null){
	Graphics g = JComponent.safelyGetGraphics(desktopPane);

	g.setXORMode(Color.white);
	if (currentBounds != null) {
	g.drawRect( currentBounds.x, currentBounds.y, currentBounds.width-1, currentBounds.height-1);
	}
	g.drawRect( newX, newY, newWidth-1, newHeight-1);

	// Work around for 6635462, see comment in dragFrame()
	sun.java2d.SurfaceData sData =
	((sun.java2d.SunGraphics2D)g).getSurfaceData();
	if (!sData.isSurfaceLost()) {
	currentBounds = new Rectangle (newX, newY, newWidth, newHeight);
	}

	g.setPaintMode();
	g.dispose();
	}
	}

	}

	// implements javax.swing.DesktopManager
	public void endResizingFrame(JComponent f) {
	if ( dragMode == OUTLINE_DRAG_MODE && currentBounds != null) {
	setBoundsForFrame(f, currentBounds.x, currentBounds.y, currentBounds.width, currentBounds.height );
	currentBounds = null;
	}
	}


	/** This moves the <code>JComponent</code> and repaints the damaged areas. */
	public void setBoundsForFrame(JComponent f, int newX, int newY, int newWidth, int newHeight) {
	f.setBounds(newX, newY, newWidth, newHeight);
	// we must validate the hierarchy to not break the hw/lw mixing
	f.revalidate();
	}

	/** Convenience method to remove the desktopIcon of <b>f</b> is necessary. */
	protected void removeIconFor(JInternalFrame f) {
	JInternalFrame.JDesktopIcon di = f.getDesktopIcon();
	Container c = di.getParent();
	if(c != null) {
	c.remove(di);
	c.repaint(di.getX(), di.getY(), di.getWidth(), di.getHeight());
	}
	}

	/** The iconifyFrame() code calls this to determine the proper bounds
	* for the desktopIcon.
	*/

	protected Rectangle getBoundsForIconOf(JInternalFrame f) {
	//
	// Get the icon for this internal frame and its preferred size
	//

	JInternalFrame.JDesktopIcon icon = f.getDesktopIcon();
	Dimension prefSize = icon.getPreferredSize();
	//
	// Get the parent bounds and child components.
	//

	Container c = f.getParent();
	if (c == null) {
	c = f.getDesktopIcon().getParent();
	}

	if (c == null) {
	/* the frame has not yet been added to the parent; how about (0,0) ?*/
	return new Rectangle(0, 0, prefSize.width, prefSize.height);
	}

	Rectangle parentBounds = c.getBounds();
	Component [] components = c.getComponents();


	//
	// Iterate through valid default icon locations and return the
	// first one that does not intersect any other icons.
	//

	Rectangle availableRectangle = null;
	JInternalFrame.JDesktopIcon currentIcon = null;

	int x = 0;
	int y = parentBounds.height - prefSize.height;
	int w = prefSize.width;
	int h = prefSize.height;

	boolean found = false;

	while (!found) {

	availableRectangle = new Rectangle(x,y,w,h);

	found = true;

	for ( int i=0; i<components.length; i++ ) {

	//
	// Get the icon for this component
	//

	if ( components[i] instanceof JInternalFrame ) {
	currentIcon = ((JInternalFrame)components[i]).getDesktopIcon();
	}
	else if ( components[i] instanceof JInternalFrame.JDesktopIcon ){
	currentIcon = (JInternalFrame.JDesktopIcon)components[i];
	} else
	/* found a child that's neither an internal frame nor
	an icon. I don't believe this should happen, but at
	present it does and causes a null pointer exception.
	Even when that gets fixed, this code protects against
	the npe. hania */
	continue;

	//
	// If this icon intersects the current location, get next location.
	//

	if ( !currentIcon.equals(icon) ) {
	if ( availableRectangle.intersects(currentIcon.getBounds()) ) {
	found = false;
	break;
	}
	}
	}

	if (currentIcon == null)
	/* didn't find any useful children above. This probably shouldn't
	happen, but this check protects against an npe if it ever does
	(and it's happening now) */
	return availableRectangle;

	x += currentIcon.getBounds().width;

	if ( x + w > parentBounds.width ) {
	x = 0;
	y -= h;
	}
	}

	return(availableRectangle);
	}

	/**
	* Stores the bounds of the component just before a maximize call.
	* @param f the component about to be resized
	* @param r the normal bounds to be saved away
	*/
	protected void setPreviousBounds(JInternalFrame f, Rectangle r) {
	f.setNormalBounds(r);
	}

	/**
	* Gets the normal bounds of the component prior to the component
	* being maximized.
	* @param f the <code>JInternalFrame</code> of interest
	* @return the normal bounds of the component
	*/
	protected Rectangle getPreviousBounds(JInternalFrame f) {
	return f.getNormalBounds();
	}

	/**
	* Sets that the component has been iconized and the bounds of the
	* <code>desktopIcon</code> are valid.
	*/
	protected void setWasIcon(JInternalFrame f, Boolean value) {
	if (value != null) {
	f.putClientProperty(HAS_BEEN_ICONIFIED_PROPERTY, value);
	}
	}

	/**
	* Returns <code>true</code> if the component has been iconized
	* and the bounds of the <code>desktopIcon</code> are valid,
	* otherwise returns <code>false</code>.
	*
	* @param f the <code>JInternalFrame</code> of interest
	* @return <code>true</code> if the component has been iconized;
	* otherwise returns <code>false</code>
	*/
	protected boolean wasIcon(JInternalFrame f) {
	return (f.getClientProperty(HAS_BEEN_ICONIFIED_PROPERTY) == Boolean.TRUE);
	}


	JDesktopPane getDesktopPane( JComponent frame ) {
	JDesktopPane pane = null;
	Component c = frame.getParent();

	// Find the JDesktopPane
	while ( pane == null ) {
	if ( c instanceof JDesktopPane ) {
	pane = (JDesktopPane)c;
	}
	else if ( c == null ) {
	break;
	}
	else {
	c = c.getParent();
	}
	}

	return pane;
	}


	// =========== stuff for faster frame dragging ===================

	private void dragFrameFaster(JComponent f, int newX, int newY) {

	Rectangle previousBounds = new Rectangle(currentBounds.x,
	currentBounds.y,
	currentBounds.width,
	currentBounds.height);

	// move the frame
	currentBounds.x = newX;
	currentBounds.y = newY;

	if (didDrag) {
	// Only initiate cleanup if we have actually done a drag.
	emergencyCleanup(f);
	}
	else {
	didDrag = true;
	// We reset the danger field as until now we haven't actually
	// moved the internal frame so we don't need to initiate repaint.
	((JInternalFrame)f).danger = false;
	}

	boolean floaterCollision = isFloaterCollision(previousBounds, currentBounds);

	JComponent parent = (JComponent)f.getParent();
	Rectangle visBounds = previousBounds.intersection(desktopBounds);

	RepaintManager currentManager = RepaintManager.currentManager(f);

	currentManager.beginPaint();
	try {
	if(!floaterCollision) {
	currentManager.copyArea(parent, desktopGraphics, visBounds.x,
	visBounds.y,
	visBounds.width,
	visBounds.height,
	newX - previousBounds.x,
	newY - previousBounds.y,
	true);
	}

	f.setBounds(currentBounds);

	if (!floaterCollision) {
	Rectangle r = currentBounds;
	currentManager.notifyRepaintPerformed(parent, r.x, r.y, r.width, r.height);
	}

	if(floaterCollision) {
	// since we couldn't blit we just redraw as fast as possible
	// the isDragging mucking is to avoid activating emergency
	// cleanup
	((JInternalFrame)f).isDragging = false;
	parent.paintImmediately(currentBounds);
	((JInternalFrame)f).isDragging = true;
	}

	// fake out the repaint manager. We'll take care of everything

	currentManager.markCompletelyClean(parent);
	currentManager.markCompletelyClean(f);

	// compute the minimal newly exposed area
	// if the rects intersect then we use computeDifference. Otherwise
	// we'll repaint the entire previous bounds
	Rectangle[] dirtyRects = null;
	if ( previousBounds.intersects(currentBounds) ) {
	dirtyRects = SwingUtilities.computeDifference(previousBounds,
	currentBounds);
	} else {
	dirtyRects = new Rectangle[1];
	dirtyRects[0] = previousBounds;
	};

	// Fix the damage
	for (int i = 0; i < dirtyRects.length; i++) {
	parent.paintImmediately(dirtyRects[i]);
	Rectangle r = dirtyRects[i];
	currentManager.notifyRepaintPerformed(parent, r.x, r.y, r.width, r.height);
	}

	// new areas of blit were exposed
	if ( !(visBounds.equals(previousBounds)) ) {
	dirtyRects = SwingUtilities.computeDifference(previousBounds,
	desktopBounds);
	for (int i = 0; i < dirtyRects.length; i++) {
	dirtyRects[i].x += newX - previousBounds.x;
	dirtyRects[i].y += newY - previousBounds.y;
	((JInternalFrame)f).isDragging = false;
	parent.paintImmediately(dirtyRects[i]);
	((JInternalFrame)f).isDragging = true;
	Rectangle r = dirtyRects[i];
	currentManager.notifyRepaintPerformed(parent, r.x, r.y, r.width, r.height);
	}

	}
	} finally {
	currentManager.endPaint();
	}

	// update window if it's non-opaque
	Window topLevel = SwingUtilities.getWindowAncestor(f);
	Toolkit tk = Toolkit.getDefaultToolkit();
	if (!topLevel.isOpaque() &&
	(tk instanceof SunToolkit) &&
	((SunToolkit)tk).needUpdateWindow())
	{
	AWTAccessor.getWindowAccessor().updateWindow(topLevel);
	}
	}

	private boolean isFloaterCollision(Rectangle moveFrom, Rectangle moveTo) {
	if (floatingItems.length == 0) {
	// System.out.println("no floaters");
	return false;
	}

	for (int i = 0; i < floatingItems.length; i++) {
	boolean intersectsFrom = moveFrom.intersects(floatingItems[i]);
	if (intersectsFrom) {
	return true;
	}
	boolean intersectsTo = moveTo.intersects(floatingItems[i]);
	if (intersectsTo) {
	return true;
	}
	}

	return false;
	}

	private Rectangle[] findFloatingItems(JComponent f) {
	Container desktop = f.getParent();
	Component[] children = desktop.getComponents();
	int i = 0;
	for (i = 0; i < children.length; i++) {
	if (children[i] == f) {
	break;
	}
	}
	// System.out.println(i);
	Rectangle[] floaters = new Rectangle[i];
	for (i = 0; i < floaters.length; i++) {
	floaters[i] = children[i].getBounds();
	}

	return floaters;
	}

	/**
	* This method is here to clean up problems associated
	* with a race condition which can occur when the full contents
	* of a copyArea's source argument is not available onscreen.
	* This uses brute force to clean up in case of possible damage
	*/
	private void emergencyCleanup(final JComponent f) {

	if ( ((JInternalFrame)f).danger ) {

	SwingUtilities.invokeLater( new Runnable(){
	public void run(){

	((JInternalFrame)f).isDragging = false;
	f.paintImmediately(0,0,
	f.getWidth(),
	f.getHeight());

	//finalFrame.repaint();
	((JInternalFrame)f).isDragging = true;
	// System.out.println("repair complete");
	}});

	((JInternalFrame)f).danger = false;
	}

	}


	}

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