Adds a component with the given constraints to the underlying layout manager and the component peer.
Checks whether the given constraints are valid.
Obtains the constraints for the given component from the underlying Swing layout manager.
The underlying Swing peer.
The child components of this container.
Installed reaction won't receive events from the given publisher anylonger.
A map of components to the associated layout constraints.
Listen to the given publisher as long as
deafTo isn't called for
Notify all registered reactions.
All reactions of this reactor.