com.vaadin.client.ui.dd
Interface DragAndDropHandler.DragAndDropCallback

Enclosing class:

DragAndDropHandler

public static interface DragAndDropHandler.DragAndDropCallback

Callback interface for drag and drop.

Method Summary

void	onDragCancel() Called when the drag has been canceled.
void	onDragEnd() Called after the has ended on a drop or cancel.
boolean	onDragStart(Event e) Called when the drag has started.
void	onDragUpdate(Event e) Called on drag.
void	onDrop() Called when the drag has ended on a drop.

Method Detail

onDragStart

boolean onDragStart(Event e)

Called when the drag has started. The drag can be canceled by returning false.

Parameters:

e - the original event that started the drag

Returns:

true if the drag is OK to start, false to cancel

onDragUpdate

void onDragUpdate(Event e)

Called on drag.

Parameters:

e - the event related to the drag

onDragEnd

void onDragEnd()

Called after the has ended on a drop or cancel.

onDrop

void onDrop()

Called when the drag has ended on a drop.

onDragCancel

void onDragCancel()

Called when the drag has been canceled.