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

- Packages that use HasOpenHandlers
  Package | Description
  --- | ---
  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
    Modifier and Type | Method | Description
    --- | --- | ---
    `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
    Modifier and Type | Class | Description
    --- | --- | ---
    `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
    Modifier and Type | Class | Description
    --- | --- | ---
    `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.