public interface HasShowValueHandlers
extends com.google.gwt.event.shared.HasHandlers
Modifier and Type | Method and Description |
---|---|
com.google.gwt.event.shared.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. |
com.google.gwt.event.shared.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. Note that the
first parameter will be a formatted value - while the second parameter will contain the underlying data value for the
item.handler
- the showValue handlerHandlerRegistration
used to remove this handler