com.vaadin.client.ui.dd

Interface DragHandle.DragHandleCallback

Enclosing class:

DragHandle

public static interface DragHandle.DragHandleCallback

Callback interface for the DragHandle event life cycle

Method Summary

Modifier and Type	Method and Description
void	onCancel() Called when the drag operation has been cancelled (usually by pressing ESC)
void	onComplete() Called when the drag operation completes successfully
void	onStart() Called when dragging starts
void	onUpdate(double deltaX, double deltaY) Called when the drag handle has moved.

Method Detail

onStart

void onStart()

Called when dragging starts

onUpdate

void onUpdate(double deltaX,
              double deltaY)

Called when the drag handle has moved.

Parameters:

deltaX - change in X direction since start

deltaY - change in Y direction since start

onCancel

void onCancel()

Called when the drag operation has been cancelled (usually by pressing ESC)

onComplete

void onComplete()

Called when the drag operation completes successfully