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oracle.adf.view.rich.dnd
Class DragSource

java.lang.Object
oracle.adf.view.rich.dnd.DragSource

All Implemented Interfaces:

java.io.Serializable

public class DragSource

extends java.lang.Object

implements java.io.Serializable

Object representing a drag source for a component.

See Also:

Serialized Form

Constructor Summary

DragSource(java.util.Set<DnDAction> allowedActions)
Constructs a DragSource

Method Summary

void	dragDropEnd(DropEvent event, DnDAction action) Called at the end of a drag and drop operation to inform the dragSource of the choice so that it can clean up.
java.util.Set<DnDAction>	getAllowedActions() Returns the drag and drop actions supported by this drag source.
void	preDrop(DropEvent event) This method called right before a DropEvent occurs.

Methods inherited from class java.lang.Object

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

Constructor Detail

DragSource

public DragSource(java.util.Set<DnDAction> allowedActions)

Constructs a DragSource

Parameters:

allowedActions - a non-null Set of DnDAction items.

Throws:

java.lang.IllegalArgumentException - if allowedActions is null.

Method Detail

getAllowedActions

public java.util.Set<DnDAction> getAllowedActions()

Returns the drag and drop actions supported by this drag source.

Returns:

Set<DnDAction>

preDrop

public void preDrop(DropEvent event)

This method called right before a DropEvent occurs. This method should be overridden by custom DragSource implementations for e.g., to give the DragSource a chance to convert the Transferable.

Parameters:

event - DropEvent

dragDropEnd

public void dragDropEnd(DropEvent event,
                        DnDAction action)

Called at the end of a drag and drop operation to inform the dragSource of the choice so that it can clean up.

Parameters:

event - DropEvent

action - the DnDAction that was performed.

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