public interface HasFolderOpenedHandlers
extends com.google.gwt.event.shared.HasHandlers
| Modifier and Type | Method and Description | 
|---|---|
| com.google.gwt.event.shared.HandlerRegistration | addFolderOpenedHandler(FolderOpenedHandler handler)This method is called when a folder is opened either via the user manipulating the expand/collapse control in the UI or
 via  openFolder(). | 
com.google.gwt.event.shared.HandlerRegistration addFolderOpenedHandler(FolderOpenedHandler handler)
openFolder().  You can return false to
 cancel the open.handler - the folderOpened handlerHandlerRegistration used to remove this handler