/[thuban]/trunk/thuban/Thuban/Model/layer.py
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revision 1354 by jonathan, Tue Jul 1 16:10:00 2003 UTC revision 1355 by jonathan, Wed Jul 2 09:37:23 2003 UTC
# Line 361  class Layer(BaseLayer): Line 361  class Layer(BaseLayer):
361              clazz = classification.Classification()              clazz = classification.Classification()
362    
363          try:          try:
364                self.__classification = clazz
365              clazz._set_layer(self)              clazz._set_layer(self)
366    
367              # only change things after a successful call              # only change things after a successful call
368              if old_class is not None:              if old_class is not None:
369                  old_class._set_layer(None)                  old_class._set_layer(None)
             self.__classification = clazz  
370          except ValueError:          except ValueError:
371                self.__classification = old_class
372              raise ValueError              raise ValueError
373    
374          # we don't need this since a message will be sent          # we don't need this since a message will be sent
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