Defines the viewer draggers registry interface.
Creates the dragger denoted by the given name. Returns null if a dragger with given name not registered.
null
Dragger name.
Viewer instance that wants to create the dragger.
Returns a list of registered draggers.
Binds a dragger name to a dragger provider. Registering a dragger with an existing name twice overrides the existing dragger.
Unique name for the dragger.
Dragger provider.
Registers an alias for a dragger.
Dragger alias string.
Defines the viewer draggers registry interface.