com.threerings.opengl.gui
Class LocalTransferHandler<T>

java.lang.Object
  com.threerings.opengl.gui.TransferHandler
      com.threerings.opengl.gui.LocalTransferHandler<T>

public class LocalTransferHandler<T>
extends TransferHandler

A handler for local object references.

Field Summary

protected Class<T>	_clazz The class that we handle.
protected DataFlavor	_flavor The corresponding data flavor.

Fields inherited from class com.threerings.opengl.gui.TransferHandler

COPY, COPY_OR_MOVE, MOVE, NONE

Constructor Summary

LocalTransferHandler(Class<T> clazz)
Creates a new transfer handler for the specified class.

Method Summary

protected boolean	canImport(Component comp) Determines whether the component can import an object.
boolean	canImport(Component comp, DataFlavor[] transferFlavors) Determines whether the specified component can accept an import prior to attempting one.
protected Transferable	createTransferable(Component comp) Creates the transferable to use as the source for a data transfer.
protected void	exportDone(Component source, T object, int action) Called when the export action has completed.
protected void	exportDone(Component source, Transferable data, int action) Invoked after data has been exported.
protected T	getObject(Component comp) Returns the object associated with the component.
protected Icon	getVisualRepresentation(T object) Returns the visual representation for the specified object, or null to use the default.
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.
protected boolean	importObject(Component comp, T object) Attempts to import the specified object.

Methods inherited from class com.threerings.opengl.gui.TransferHandler

exportAsDrag, exportToClipboard, getSourceActions

Methods inherited from class java.lang.Object

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

Field Detail

_clazz

protected Class<T> _clazz

The class that we handle.

_flavor

protected DataFlavor _flavor

The corresponding data flavor.

Constructor Detail

LocalTransferHandler

public LocalTransferHandler(Class<T> clazz)

Creates a new transfer handler for the specified class.

Method Detail

getVisualRepresentation

public Icon getVisualRepresentation(Transferable data)

Description copied from class: TransferHandler

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

Overrides:

getVisualRepresentation in class TransferHandler

canImport

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

Description copied from class: TransferHandler

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

Overrides:

canImport in class TransferHandler

importData

public boolean importData(Component comp,
                          Transferable data)

Description copied from class: TransferHandler

Attempts to import data from the specified component.

Overrides:

importData in class TransferHandler

Returns:

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

createTransferable

protected Transferable createTransferable(Component comp)

Description copied from class: TransferHandler

Creates the transferable to use as the source for a data transfer.

Overrides:

createTransferable in class TransferHandler

exportDone

protected void exportDone(Component source,
                          Transferable data,
                          int action)

Description copied from class: TransferHandler

Invoked after data has been exported.

Overrides:

exportDone in class TransferHandler

getVisualRepresentation

protected Icon getVisualRepresentation(T object)

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

canImport

protected boolean canImport(Component comp)

Determines whether the component can import an object.

importObject

protected boolean importObject(Component comp,
                               T object)

Attempts to import the specified object.

getObject

protected T getObject(Component comp)

Returns the object associated with the component.

exportDone

protected void exportDone(Component source,
                          T object,
                          int action)

Called when the export action has completed.