com.threerings.opengl.gui
Class TransferHandler

java.lang.Object
  com.threerings.opengl.gui.TransferHandler

Direct Known Subclasses:

LocalTransferHandler

public class TransferHandler
extends Object

Handles drag and drop, cut and paste operations.

Field Summary

static int	COPY Indicates that only the copy action is supported.
static int	COPY_OR_MOVE Indicates that the copy and move actions are supported.
static int	MOVE Indicates that the move action is supported.
static int	NONE Indicates that no source actions are supported.

Constructor Summary

TransferHandler()

Method Summary

boolean	canImport(Component comp, DataFlavor[] transferFlavors) Determines whether the specified component can accept an import prior to attempting one.
void	exportAsDrag(Component comp, InputEvent event, int action) Initiates a drag operation.
void	exportToClipboard(Component comp, Clipboard clipboard, int action) Exports from the specified component to the given clipboard.
int	getSourceActions(Component comp) Returns the source actions supported by the specified component.
Icon	getVisualRepresentation(Transferable data) Returns the visual representation for the specified transferable, or null to use the default.
boolean	importData(Component comp, Transferable data) Attempts to import data from the specified component.

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final int NONE

Indicates that no source actions are supported.

See Also:

Constant Field Values

COPY

public static final int COPY

Indicates that only the copy action is supported.

See Also:

Constant Field Values

MOVE

public static final int MOVE

Indicates that the move action is supported.

See Also:

Constant Field Values

COPY_OR_MOVE

public static final int COPY_OR_MOVE

Indicates that the copy and move actions are supported.

See Also:

Constant Field Values

Constructor Detail

TransferHandler

public TransferHandler()

Method Detail

getSourceActions

public int getSourceActions(Component comp)

Returns the source actions supported by the specified component.

Returns:

a bitwise OR of the action flags, COPY or MOVE.

exportAsDrag

public void exportAsDrag(Component comp,
                         InputEvent event,
                         int action)

Initiates a drag operation.

exportToClipboard

public void exportToClipboard(Component comp,
                              Clipboard clipboard,
                              int action)

Exports from the specified component to the given clipboard.

getVisualRepresentation

public Icon getVisualRepresentation(Transferable data)

Returns the visual representation for the specified transferable, or null to use the default.

canImport

public boolean canImport(Component comp,
                         DataFlavor[] transferFlavors)

Determines whether the specified component can accept an import prior to attempting one.

importData

public boolean importData(Component comp,
                          Transferable data)

Attempts to import data from the specified component.

Returns:

true if the data was successfully imported, false if not.