public static void addEntityChangeListener(I_CmsEntityChangeListener changeListener, String changeScope) {

        CmsDebugLog.getInstance().printLine("trying to ad change listener for scope: " + changeScope);
        if ((INSTANCE == null) || (INSTANCE.m_entityObserver == null)) {
            CmsDebugLog.getInstance().printLine("handling external registration");
            if (isObserverExported()) {
                CmsDebugLog.getInstance().printLine("registration is available");
                try {
                    addNativeListener(changeListener, changeScope);
                } catch (Exception e) {

                    CmsDebugLog.getInstance().printLine(
                        "Exception occured during listener registration" + e.getMessage());
                }
            } else {
                throw new RuntimeException("Editor is not initialized yet.");
            }
        } else {
            INSTANCE.m_entityObserver.addEntityChangeListener(changeListener, changeScope);
        }
    }
public static void addEntityChangeListener ( I_CmsEntityChangeListener changeListener , String changeScope ) { CmsDebugLog . getInstance ( ) . printLine ( "trying to ad change listener for scope: " + changeScope ) ; if ( ( INSTANCE == null ) || ( INSTANCE . m_entityObserver == null ) ) { CmsDebugLog . getInstance ( ) . printLine ( "handling external registration" ) ; if ( isObserverExported ( ) ) { CmsDebugLog . getInstance ( ) . printLine ( "registration is available" ) ; try { addNativeListener ( changeListener , changeScope ) ; } catch ( Exception e ) { CmsDebugLog . getInstance ( ) . printLine ( "Exception occured during listener registration" + e . getMessage ( ) ) ; } } else { throw new RuntimeException ( "Editor is not initialized yet." ) ; } } else { INSTANCE . m_entityObserver . addEntityChangeListener ( changeListener , changeScope ) ; } }
Adds an entity change listener.<p>

@param changeListener the change listener
@param changeScope the change scope