org.jhotdraw.draw
Class DefaultDrawingViewTransferHandler

java.lang.Object
  javax.swing.TransferHandler
      org.jhotdraw.draw.DefaultDrawingViewTransferHandler

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DnDDrawingViewTransferHandler

public class DefaultDrawingViewTransferHandler
extends javax.swing.TransferHandler

Default TransferHandler for DrawingView objects.

Note: This class is here for backwards compatibilty with J2SE 5. If you have J2SE 6 available, you may want to use class DnDDrawingViewTransferHandler instead.

Version:

2.0 2009-03-13 Load drawings from files using a worker thread.
1.2 2008-05-24 Adapted to changes in InputFormat. Add support for automatically grouping
1.1.2 2008-03-20 After import, only select imported figures in drawing view.
1.1.1 2008-03-10 In method importData, figures are added to drawing by the InputFormat.
1.1 2007-12-16 Adapted to changes in InputFormat and OutputFormat.
1.0 April 13, 2007 Created.

Author:

Werner Randelshofer

See Also:

Serialized Form

Nested Class Summary

private static class	DefaultDrawingViewTransferHandler.DragHandler This is the default drag handler for drag and drop operations that use the TransferHandler.
private static class	DefaultDrawingViewTransferHandler.SwingDragGestureRecognizer

Nested classes/interfaces inherited from class javax.swing.TransferHandler

javax.swing.TransferHandler.DropLocation, javax.swing.TransferHandler.TransferSupport

Field Summary

private static boolean	DEBUG
private java.util.HashSet<Figure>	exportedFigures We keep the exported figures in this list, so that we don't need to rely on figure selection, when method exportDone is called.

Fields inherited from class javax.swing.TransferHandler

COPY, COPY_OR_MOVE, LINK, MOVE, NONE

Constructor Summary

DefaultDrawingViewTransferHandler()
Creates a new instance.

Method Summary

boolean	canImport(javax.swing.JComponent comp, java.awt.datatransfer.DataFlavor[] transferFlavors)
protected java.awt.datatransfer.Transferable	createTransferable(DrawingView view, java.util.Set<Figure> transferFigures)
protected java.awt.datatransfer.Transferable	createTransferable(javax.swing.JComponent c)
void	exportAsDrag(javax.swing.JComponent comp, java.awt.event.InputEvent e, int action)
protected void	exportDone(javax.swing.JComponent source, java.awt.datatransfer.Transferable data, int action)
private void	getDrawing()
int	getSourceActions(javax.swing.JComponent c)
javax.swing.Icon	getVisualRepresentation(java.awt.datatransfer.Transferable t)
boolean	importData(javax.swing.JComponent comp, java.awt.datatransfer.Transferable t)
protected boolean	importData(javax.swing.JComponent comp, java.awt.datatransfer.Transferable t, java.util.HashSet<Figure> transferFigures) Imports data and stores the transferred figures into the supplied transferFigures collection.

Methods inherited from class javax.swing.TransferHandler

canImport, exportToClipboard, getCopyAction, getCutAction, getPasteAction, importData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEBUG

private static final boolean DEBUG

See Also:

Constant Field Values

exportedFigures

private java.util.HashSet<Figure> exportedFigures

We keep the exported figures in this list, so that we don't need to rely on figure selection, when method exportDone is called.

Constructor Detail

DefaultDrawingViewTransferHandler

public DefaultDrawingViewTransferHandler()

Creates a new instance.

Method Detail

importData

public boolean importData(javax.swing.JComponent comp,
                          java.awt.datatransfer.Transferable t)

Overrides:

importData in class javax.swing.TransferHandler

importData

protected boolean importData(javax.swing.JComponent comp,
                             java.awt.datatransfer.Transferable t,
                             java.util.HashSet<Figure> transferFigures)

Imports data and stores the transferred figures into the supplied transferFigures collection.

getSourceActions

public int getSourceActions(javax.swing.JComponent c)

Overrides:

getSourceActions in class javax.swing.TransferHandler

createTransferable

protected java.awt.datatransfer.Transferable createTransferable(javax.swing.JComponent c)

Overrides:

createTransferable in class javax.swing.TransferHandler

createTransferable

protected java.awt.datatransfer.Transferable createTransferable(DrawingView view,
                                                                java.util.Set<Figure> transferFigures)

exportDone

protected void exportDone(javax.swing.JComponent source,
                          java.awt.datatransfer.Transferable data,
                          int action)

Overrides:

exportDone in class javax.swing.TransferHandler

exportAsDrag

public void exportAsDrag(javax.swing.JComponent comp,
                         java.awt.event.InputEvent e,
                         int action)

Overrides:

exportAsDrag in class javax.swing.TransferHandler

getVisualRepresentation

public javax.swing.Icon getVisualRepresentation(java.awt.datatransfer.Transferable t)

Overrides:

getVisualRepresentation in class javax.swing.TransferHandler

canImport

public boolean canImport(javax.swing.JComponent comp,
                         java.awt.datatransfer.DataFlavor[] transferFlavors)

Overrides:

canImport in class javax.swing.TransferHandler

getDrawing

private void getDrawing()