psdi.webclient.applet.wfcanvas.diagram.dnd

Class WorkflowDropTargetContextPeer

java.lang.Object

psdi.webclient.applet.wfcanvas.diagram.dnd.WorkflowDropTargetContextPeer

All Implemented Interfaces:

java.awt.dnd.peer.DropTargetContextPeer

public class WorkflowDropTargetContextPeer
extends java.lang.Object
implements java.awt.dnd.peer.DropTargetContextPeer

This class substitutes for the native drag and drop handler which doesn't work with the Java plugin.

Constructor Summary

Constructors

Constructor and Description
WorkflowDropTargetContextPeer(java.awt.dnd.DropTarget target, java.awt.datatransfer.Transferable t) Constructs the WorkflowDropTargetContextPeer

Method Summary

Modifier and Type	Method and Description
void	acceptDrag(int dragAction) Called to accept the drag
void	acceptDrop(int dropAction) Called to accept the drop
void	dropComplete(boolean success) Signal that the drop is complete
java.awt.dnd.DropTarget	getDropTarget() Gets the DropTarget associated with this peer
int	getTargetActions() Gets the current Target actions
java.awt.datatransfer.Transferable	getTransferable() Gets the transferable
java.awt.datatransfer.DataFlavor[]	getTransferDataFlavors() Gets the (remote) DataFlavors from the peer
boolean	isTransferableJVMLocal() Returns whether or not the transferable is in the same JVM as the target.
void	rejectDrag() Called to reject the drag
void	rejectDrop() Called to reject the drop
void	setTargetActions(int actions) Update the peer's notion of the Target's actions

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkflowDropTargetContextPeer

public WorkflowDropTargetContextPeer(java.awt.dnd.DropTarget target,
                                     java.awt.datatransfer.Transferable t)

Constructs the WorkflowDropTargetContextPeer

Parameters:

target - The current drop target

t - The transferable

Method Detail

setTargetActions

public void setTargetActions(int actions)

Update the peer's notion of the Target's actions

Specified by:

setTargetActions in interface java.awt.dnd.peer.DropTargetContextPeer

Parameters:

actions - The target actions

getTargetActions

public int getTargetActions()

Gets the current Target actions

Specified by:

getTargetActions in interface java.awt.dnd.peer.DropTargetContextPeer

Returns:

The target actions

getDropTarget

public java.awt.dnd.DropTarget getDropTarget()

Gets the DropTarget associated with this peer

Specified by:

getDropTarget in interface java.awt.dnd.peer.DropTargetContextPeer

Returns:

The drop target

getTransferDataFlavors

public java.awt.datatransfer.DataFlavor[] getTransferDataFlavors()

Gets the (remote) DataFlavors from the peer

Specified by:

getTransferDataFlavors in interface java.awt.dnd.peer.DropTargetContextPeer

Returns:

The data flavors

getTransferable

public java.awt.datatransfer.Transferable getTransferable()
                                                   throws java.awt.dnd.InvalidDnDOperationException

Gets the transferable

Specified by:

getTransferable in interface java.awt.dnd.peer.DropTargetContextPeer

Returns:

The transferable

Throws:

java.awt.dnd.InvalidDnDOperationException

isTransferableJVMLocal

public boolean isTransferableJVMLocal()

Returns whether or not the transferable is in the same JVM as the target. Always true for this handler

Specified by:

isTransferableJVMLocal in interface java.awt.dnd.peer.DropTargetContextPeer

Returns:

True if in the same JVM

acceptDrag

public void acceptDrag(int dragAction)

Called to accept the drag

Specified by:

acceptDrag in interface java.awt.dnd.peer.DropTargetContextPeer

rejectDrag

public void rejectDrag()

Called to reject the drag

Specified by:

rejectDrag in interface java.awt.dnd.peer.DropTargetContextPeer

acceptDrop

public void acceptDrop(int dropAction)

Called to accept the drop

Specified by:

acceptDrop in interface java.awt.dnd.peer.DropTargetContextPeer

rejectDrop

public void rejectDrop()

Called to reject the drop

Specified by:

rejectDrop in interface java.awt.dnd.peer.DropTargetContextPeer

dropComplete

public void dropComplete(boolean success)

Signal that the drop is complete

Specified by:

dropComplete in interface java.awt.dnd.peer.DropTargetContextPeer

Parameters:

success - True if successful false if not