Package com.inductiveautomation.ignition.client.util.gui.tree

Class AbstractTreeTransferHandler

java.lang.Object

javax.swing.TransferHandler

com.inductiveautomation.ignition.client.util.gui.tree.AbstractTreeTransferHandler

All Implemented Interfaces:

DropTargetListener, Serializable, EventListener

Direct Known Subclasses:

ClientTagTreeTransferHandler, TagTransferHandler

public abstract class AbstractTreeTransferHandler
extends TransferHandler
implements DropTargetListener

A class that can acts as a 1.4 TransferHandler, and a 1.3 DropTargetListener all at once.

See Also:

• Serialized Form

Nested Class Summary

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

TransferHandler.DropLocation, TransferHandler.TransferSupport

Field Summary

Fields

Modifier and Type	Field	Description
protected Stroke	highlightStroke
protected TreePath	lastHighlight
protected Rectangle	rect
protected AutoscrollingJTree	tree

Fields inherited from class javax.swing.TransferHandler

COPY, COPY_OR_MOVE, LINK, MOVE, NONE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractTreeTransferHandler(AutoscrollingJTree tree, int action, boolean beADropTarget)

Method Summary

Modifier and Type	Method	Description
protected abstract boolean	canPerformAction(AutoscrollingJTree target, List<DataFlavor> flavors, int action, Point location, TreePath dropPath)
protected abstract boolean	canStartDrag(TreePath[] paths)
protected void	clearHighlight()
protected Transferable	createTransferable(JComponent c)
Transferable	createTransferable(JComponent c, boolean drag)
protected abstract Transferable	createTransferableForCutCopy(TreePath[] paths)
protected abstract Transferable	createTransferableForDrag(TreePath[] paths)
void	dragEnter(DropTargetDragEvent dtde)
void	dragExit(DropTargetEvent dte)
void	dragOver(DropTargetDragEvent dtde)
protected void	drawHighlight(TreePath path)
void	drop(DropTargetDropEvent dtde)
void	dropActionChanged(DropTargetDragEvent dtde)
protected abstract boolean	executeDrop(AutoscrollingJTree tree, Transferable transferable, TreePath parentTreePath, int action)
void	exportToClipboard(JComponent comp, Clipboard clip, int action)	Copied from super so that it calls createTransferableForCutCopy instead of the normal one.
int	getSourceActions(JComponent c)	---------------------------- Methods from TransferHandler ------------------------------
protected abstract int	getSourceActions(TreePath[] selPaths)	Override to provide the actions available for the given paths
protected TreePath	pathFor(Point pt)

Methods inherited from class javax.swing.TransferHandler

canImport, canImport, exportAsDrag, exportDone, getCopyAction, getCutAction, getDragImage, getDragImageOffset, getPasteAction, getVisualRepresentation, importData, importData, setDragImage, setDragImageOffset

Methods inherited from class java.lang.Object

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

Field Details

tree

protected AutoscrollingJTree tree

rect

protected Rectangle rect

lastHighlight

protected TreePath lastHighlight

highlightStroke

protected Stroke highlightStroke

Constructor Details

AbstractTreeTransferHandler

protected AbstractTreeTransferHandler(AutoscrollingJTree tree,
 int action,
 boolean beADropTarget)

Parameters:

tree - The tree in question.

action - A bitmask to use as the acceptable actions (@see DropTarget.getDefaultActions()

beADropTarget - Should this tree be a drop target?

Method Details

drawHighlight

protected void drawHighlight(TreePath path)

clearHighlight

protected void clearHighlight()

dragEnter

public void dragEnter(DropTargetDragEvent dtde)

Specified by:

dragEnter in interface DropTargetListener

dragExit

public void dragExit(DropTargetEvent dte)

Specified by:

dragExit in interface DropTargetListener

dragOver

public void dragOver(DropTargetDragEvent dtde)

Specified by:

dragOver in interface DropTargetListener

dropActionChanged

public void dropActionChanged(DropTargetDragEvent dtde)

Specified by:

dropActionChanged in interface DropTargetListener

drop

public void drop(DropTargetDropEvent dtde)

Specified by:

drop in interface DropTargetListener

pathFor

protected TreePath pathFor(Point pt)

getSourceActions

public int getSourceActions(JComponent c)

---------------------------- Methods from TransferHandler ------------------------------

Overrides:

getSourceActions in class TransferHandler

getSourceActions

protected abstract int getSourceActions(TreePath[] selPaths)

Override to provide the actions available for the given paths

createTransferable

protected Transferable createTransferable(JComponent c)

Overrides:

createTransferable in class TransferHandler

createTransferable

public Transferable createTransferable(JComponent c,
 boolean drag)

exportToClipboard

public void exportToClipboard(JComponent comp,
 Clipboard clip,
 int action)
                       throws IllegalStateException

Copied from super so that it calls createTransferableForCutCopy instead of the normal one.

Overrides:

exportToClipboard in class TransferHandler

Throws:

IllegalStateException

canStartDrag

protected abstract boolean canStartDrag(TreePath[] paths)

createTransferableForDrag

protected abstract Transferable createTransferableForDrag(TreePath[] paths)

createTransferableForCutCopy

protected abstract Transferable createTransferableForCutCopy(TreePath[] paths)

canPerformAction

protected abstract boolean canPerformAction(AutoscrollingJTree target,
 List<DataFlavor> flavors,
 int action,
 Point location,
 TreePath dropPath)

executeDrop

protected abstract boolean executeDrop(AutoscrollingJTree tree,
 Transferable transferable,
 TreePath parentTreePath,
 int action)