## Uses of Interface
com.google.gwt.event.logical.shared.HasOpenHandlers

Packages that use HasOpenHandlers
com.google.gwt.event.logical.shared: Types related to logical events that do not have direct analogues to DOM events and which can be used in contexts other than web browsers.
com.google.gwt.user.cellview.client: The "cellview" widget set.
com.google.gwt.user.client.ui: Widgets, Panels, and other user-interface classes.

### Uses of HasOpenHandlers in com.google.gwt.event.logical.shared

Methods in com.google.gwt.event.logical.shared with parameters of type HasOpenHandlers
`static <T> void` OpenEvent.`fire(HasOpenHandlers<T> source, T target)` Fires a open event on all registered handlers in the handler manager.If no such handlers exist, this method will do nothing.

### Uses of HasOpenHandlers in com.google.gwt.user.cellview.client

Classes in com.google.gwt.user.cellview.client that implement HasOpenHandlers
`class` `AbstractCellTree` An abstract representation of a tree widget that renders items using `Cell`s.
`class` `CellBrowser` A "browsable" view of a tree in which only a single node per level may be open at one time.
`class` `CellTree` A view of a tree.

### Uses of HasOpenHandlers in com.google.gwt.user.client.ui

Classes in com.google.gwt.user.client.ui that implement HasOpenHandlers
`class` `DisclosurePanel` A widget that consists of a header and a content panel that discloses the content when a user clicks on the header.
`class` `Tree` A standard hierarchical tree widget.