com.mxgraph.swing.handler
Class mxGraphTransferHandler

java.lang.Object
  javax.swing.TransferHandler
      com.mxgraph.swing.handler.mxGraphTransferHandler

All Implemented Interfaces:

Serializable

public class mxGraphTransferHandler
extends TransferHandler

See Also:

Serialized Form

Field Summary

static Color	DEFAULT_BACKGROUNDCOLOR Specifies the background color of the transfer image.
static boolean	DEFAULT_TRANSFER_IMAGE_ENABLED Boolean that specifies if an image of the cells should be created for each transferable.
protected int	importCount Counter for the last imported cell array.
protected Object[]	lastImported Reference to the last imported cell array.
protected Point	location
protected Point	offset
protected Object[]	originalCells Reference to the original cells for removal after a move.
protected Color	transferImageBackground Specifies the background color for the transfer image.
protected boolean	transferImageEnabled Specifies if a transfer image should be created for the transferable.

Fields inherited from class javax.swing.TransferHandler

COPY, COPY_OR_MOVE, MOVE, NONE

Constructor Summary

mxGraphTransferHandler()

Method Summary

boolean	canImport(JComponent comp, DataFlavor[] flavors)
mxGraphTransferable	createGraphTransferable(mxGraphComponent graphComponent, Object[] cells, ImageIcon icon)
Transferable	createTransferable(JComponent c) (non-Javadoc)
ImageIcon	createTransferableImage(mxGraphComponent graphComponent, Object[] cells)
void	exportDone(JComponent c, Transferable data, int action)
int	getSourceActions(JComponent c)
Color	getTransferImageBackground()
protected boolean	importCells(mxGraphComponent graphComponent, Object[] cells, mxRectangle bounds) Returns true if the cells have been imported.
boolean	importData(JComponent c, Transferable t)
boolean	isLocalDrag() Returns true if the DnD operation started from this handler.
boolean	isTransferImageEnabled()
protected void	removeCells(mxGraphComponent graphComponent, Object[] cells)
void	setLocation(Point value)
void	setOffset(Point value)
void	setTransferImageBackground(Color transferImageBackground)
void	setTransferImageEnabled(boolean transferImageEnabled)

Methods inherited from class javax.swing.TransferHandler

exportAsDrag, exportToClipboard, getCopyAction, getCutAction, getPasteAction, getVisualRepresentation

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TRANSFER_IMAGE_ENABLED

public static boolean DEFAULT_TRANSFER_IMAGE_ENABLED

Boolean that specifies if an image of the cells should be created for each transferable. Default is true.

DEFAULT_BACKGROUNDCOLOR

public static Color DEFAULT_BACKGROUNDCOLOR

Specifies the background color of the transfer image. If no color is given here then the background color of the enclosing graph component is used. Default is Color.WHITE.

originalCells

protected Object[] originalCells

Reference to the original cells for removal after a move.

lastImported

protected Object[] lastImported

Reference to the last imported cell array.

importCount

protected int importCount

Counter for the last imported cell array.

transferImageEnabled

protected boolean transferImageEnabled

Specifies if a transfer image should be created for the transferable. Default is DEFAULT_TRANSFER_IMAGE.

transferImageBackground

protected Color transferImageBackground

Specifies the background color for the transfer image. Default is DEFAULT_BACKGROUNDCOLOR.

location

protected Point location

offset

protected Point offset

Constructor Detail

mxGraphTransferHandler

public mxGraphTransferHandler()

Method Detail

setTransferImageEnabled

public void setTransferImageEnabled(boolean transferImageEnabled)

isTransferImageEnabled

public boolean isTransferImageEnabled()

setTransferImageBackground

public void setTransferImageBackground(Color transferImageBackground)

getTransferImageBackground

public Color getTransferImageBackground()

isLocalDrag

public boolean isLocalDrag()

Returns true if the DnD operation started from this handler.

setLocation

public void setLocation(Point value)

setOffset

public void setOffset(Point value)

canImport

public boolean canImport(JComponent comp,
                         DataFlavor[] flavors)

Overrides:

canImport in class TransferHandler

createTransferable

public Transferable createTransferable(JComponent c)

(non-Javadoc)

Overrides:

createTransferable in class TransferHandler

See Also:

TransferHandler.createTransferable(javax.swing.JComponent)

createGraphTransferable

public mxGraphTransferable createGraphTransferable(mxGraphComponent graphComponent,
                                                   Object[] cells,
                                                   ImageIcon icon)

createTransferableImage

public ImageIcon createTransferableImage(mxGraphComponent graphComponent,
                                         Object[] cells)

exportDone

public void exportDone(JComponent c,
                       Transferable data,
                       int action)

Overrides:

exportDone in class TransferHandler

removeCells

protected void removeCells(mxGraphComponent graphComponent,
                           Object[] cells)

getSourceActions

public int getSourceActions(JComponent c)

Overrides:

getSourceActions in class TransferHandler

importData

public boolean importData(JComponent c,
                          Transferable t)

Overrides:

importData in class TransferHandler

importCells

protected boolean importCells(mxGraphComponent graphComponent,
                              Object[] cells,
                              mxRectangle bounds)

Returns true if the cells have been imported.