question: public void pseudoPropertyChange ( String propName , Object old , Object n ) { if ( log . isDebugEnabled ( ) ) { log . debug ( "pseudoPropertyChange: Block \"" + getSystemName ( ) + " property \"" + propName + "\" new value= " + n . toString ( ) ) ; } firePropertyChange ( propName , old , n ) ; }
target:  Call for Circuit Builder to make icon color changes for its GUI