com.vaadin.client.ui.dd

Interface DragAndDropHandler.DragAndDropCallback

Enclosing class:

DragAndDropHandler

public static interface DragAndDropHandler.DragAndDropCallback

Callback interface for drag and drop.

Method Summary

Modifier and Type	Method and Description
void	onDragCancel() Called when the drag has been canceled.
void	onDragEnd() Called after the has ended on a drop or cancel.
boolean	onDragStart(com.google.gwt.user.client.Event e) Called when the drag has started.
void	onDragUpdate(com.google.gwt.user.client.Event e) Called on drag.
void	onDrop() Called when the drag has ended on a drop.

Method Detail

onDragStart

boolean onDragStart(com.google.gwt.user.client.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(com.google.gwt.user.client.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.