public interface HasShowValueHandlers extends HasHandlers
Modifier and Type | Method and Description |
---|---|
HandlerRegistration |
addShowValueHandler(ShowValueHandler handler)
This method will be called whenever this FormItem's value is being set via a programmatic call to e.g:
DynamicForm.setValues() or FormItem.setValue() and may be overridden by CanvasItems
intended to support displaying data values to update the embedded Canvas to reflect the value passed in. |
fireEvent
HandlerRegistration addShowValueHandler(ShowValueHandler handler)
DynamicForm.setValues()
or FormItem.setValue()
and may be overridden by CanvasItems
intended to support displaying data values to update the embedded Canvas to reflect the value passed in.handler
- the showValue handlerHandlerRegistration
used to remove this handler