public interface HasClearHandlers extends HasHandlers
|Modifier and Type||Method and Description|
Notification method fired when the canvas is removed from the DOM via a call to
HandlerRegistration addClearHandler(ClearHandler handler)
clear(). Canvases are cleared recursively, so if a parent is clear()'d, all of its descendants will also be cleared. This notification is fired before the canvas has been removed from the DOM, and
trueif called while the notification is running.
handler- the clear handler
HandlerRegistrationused to remove this handler