treebolic.generator.tree
Class TreeTransferHandler

java.lang.Object
  javax.swing.TransferHandler
      treebolic.generator.tree.TreeTransferHandler

All Implemented Interfaces:

java.io.Serializable

public class TreeTransferHandler
extends javax.swing.TransferHandler

Transfer handler for drag and drop operations

Author:

Bernard Bou

See Also:

Serialized Form

Nested Class Summary

(package private) class

TreeTransferHandler.TransferableNode Transferable data

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

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

Field Summary

private static long	serialVersionUID
private static java.awt.datatransfer.DataFlavor	theFlavor Data flavour

Fields inherited from class javax.swing.TransferHandler

COPY, COPY_OR_MOVE, LINK, MOVE, NONE

Constructor Summary

TreeTransferHandler()

Method Summary

boolean	canImport(javax.swing.TransferHandler.TransferSupport thisSupport)
protected java.awt.datatransfer.Transferable	createTransferable(javax.swing.JComponent thisSourceComponent)
protected void	exportDone(javax.swing.JComponent thisComponent, java.awt.datatransfer.Transferable data, int action)
private Pair<javax.swing.tree.TreePath,javax.swing.tree.TreePath>	getNodes(javax.swing.TransferHandler.TransferSupport thisSupport) Get pair of source tree and destination treepaths
int	getSourceActions(javax.swing.JComponent c)
boolean	importData(javax.swing.TransferHandler.TransferSupport thisSupport)
private boolean	move(Tree thisTree, javax.swing.tree.TreePath thisSource, javax.swing.tree.TreePath thisDestination) Move source node as child of destination node
private boolean	testMove(javax.swing.tree.TreePath thisSource, javax.swing.tree.TreePath thisDestination) Whether source node can drag and drop to destination node

Methods inherited from class javax.swing.TransferHandler

canImport, exportAsDrag, exportToClipboard, getCopyAction, getCutAction, getPasteAction, getVisualRepresentation, importData

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

theFlavor

private static java.awt.datatransfer.DataFlavor theFlavor

Data flavour

Constructor Detail

TreeTransferHandler

public TreeTransferHandler()

Method Detail

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 thisSourceComponent)

Overrides:

createTransferable in class javax.swing.TransferHandler

canImport

public boolean canImport(javax.swing.TransferHandler.TransferSupport thisSupport)

Overrides:

canImport in class javax.swing.TransferHandler

importData

public boolean importData(javax.swing.TransferHandler.TransferSupport thisSupport)

Overrides:

importData in class javax.swing.TransferHandler

exportDone

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

Overrides:

exportDone in class javax.swing.TransferHandler

getNodes

private Pair<javax.swing.tree.TreePath,javax.swing.tree.TreePath> getNodes(javax.swing.TransferHandler.TransferSupport thisSupport)

Get pair of source tree and destination treepaths

Parameters:

thisSupport - transfer support

Returns:

source tree and destination treepaths

testMove

private boolean testMove(javax.swing.tree.TreePath thisSource,
                         javax.swing.tree.TreePath thisDestination)

Whether source node can drag and drop to destination node

Parameters:

thisSource - source node

thisDestination - destination node

Returns:

true if source node can drag and drop to destination node

move

private boolean move(Tree thisTree,
                     javax.swing.tree.TreePath thisSource,
                     javax.swing.tree.TreePath thisDestination)

Move source node as child of destination node

Parameters:

thisSource - source node

thisDestination - destination node

Returns:

true if successful