public final class ExternalActionManager
A manager for a callback facility which is capable of querying external
interfaces for additional information about actions and action contribution
items. This information typically includes things like accelerators and
It is only necessary to use this mechanism if you will be using a mix of
actions and commands, and wish the interactions to work properly.
For example, in the Eclipse workbench, this mechanism is used to allow the
command architecture to override certain values in action contribution items.
This class is not intended to be called or extended by any external clients.
Methods inherited from class java.lang.
- Retrieves the current singleton instance of this class.
- The singleton instance; this value is never
- An accessor for the current call back.
- The current callback mechanism being used. This is the callback
that should be queried for extra information about actions and
action contribution items. This value may be
if there is no extra information.
public void setCallback(
- A mutator for the current call back
callbackToUse - The new callback mechanism to use; this value may be
null if the default is acceptable (i.e., no
extra information will provided to actions).
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.