this.fieldCompletions = completions.getFieldCompletions( FieldAccessorsAndMutators.MUTATOR,
set.factType );
layout.setStyleName( "model-builderInner-Background" ); //NON-NLS
this.isFactTypeKnown = completions.containsFactType( set.factType );
if ( readOnly == null ) {
this.readOnly = !this.isFactTypeKnown;
} else {
this.readOnly = readOnly;
}