antsnest.datatransfer
Class BuildTreeTransferHandler

java.lang.Object
  javax.swing.TransferHandler
      antsnest.datatransfer.BuildTreeTransferHandler

All Implemented Interfaces:

Serializable

public class BuildTreeTransferHandler
extends TransferHandler

The handler that sets up data transfer on the build tree

Author:

Chris Clohosy

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.TransferHandler

COPY, COPY_OR_MOVE, MOVE, NONE

Constructor Summary

BuildTreeTransferHandler()
Constructs a new handler

Method Summary

boolean	canImport(JComponent c, DataFlavor[] flavors) Tells whether a component can accept a data drop
protected Transferable	createTransferable(JComponent c) Creates a transferable from a list
void	exportAsDrag(JComponent c, InputEvent e, int action) Called when the transfer begins
void	exportDone(JComponent c, Transferable data, int action) Called when the data has been transferred
int	getSourceActions(JComponent c) Informs what transfer actions are supported
boolean	importData(JComponent c, Transferable trans) Does the importing of the data into the tree

Methods inherited from class javax.swing.TransferHandler

exportToClipboard, getCopyAction, getCutAction, getPasteAction, getVisualRepresentation

Methods inherited from class java.lang.Object

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

Constructor Detail

BuildTreeTransferHandler

public BuildTreeTransferHandler()

Constructs a new handler

Method Detail

exportAsDrag

public void exportAsDrag(JComponent c,
                         InputEvent e,
                         int action)

Called when the transfer begins

Overrides:

exportAsDrag in class TransferHandler

Parameters:

c - the component being dragged from

e - the event that triggered the transfer

action - the kind of transfer occuring

exportDone

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

Called when the data has been transferred

Overrides:

exportDone in class TransferHandler

Parameters:

c - the component that was dragged from

data - the data that was transferred

action - the kind of transfer occuring

createTransferable

protected Transferable createTransferable(JComponent c)

Creates a transferable from a list

Overrides:

createTransferable in class TransferHandler

Parameters:

c - the list that holds the Ant attributes

Returns:

a Transferable, the class that handles the data transfer

getSourceActions

public int getSourceActions(JComponent c)

Informs what transfer actions are supported

Overrides:

getSourceActions in class TransferHandler

Parameters:

c - the component using this handler

Returns:

an int, the actions supported

canImport

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

Tells whether a component can accept a data drop

Overrides:

canImport in class TransferHandler

Parameters:

c - the component receiving the drop

flavors - the data flavors the drop can come in

Returns:

a boolean, whether it can accept the drop

importData

public boolean importData(JComponent c,
                          Transferable trans)

Does the importing of the data into the tree

Overrides:

importData in class TransferHandler

Parameters:

c - the component receiving the drop

trans - the transferable encapsulating the data

Returns:

a boolean, whether the drop was successful