org.eclipse.core.commands
Interface IStateListener

All Known Implementing Classes:
AbstractHandlerWithState

public interface IStateListener

A listener to changes in some state.

Clients may implement, but must not extend this interface.

Since:
3.2

Method Summary
 void handleStateChange(State state, java.lang.Object oldValue)
          Handles a change to the value in some state.
 

Method Detail

handleStateChange

void handleStateChange(State state,
                       java.lang.Object oldValue)
Handles a change to the value in some state.

Parameters:
state - The state that has changed; never null. The value for this state has been updated to the new value.
oldValue - The old value; may be anything.