def add_traits_meta_data(
self, bases, class_dict, base_traits, class_traits, instance_traits, prefix_traits, view_elements
):
if len(bases) == 2:
# Update the class and each of the existing subclasses:
bases[1]._add_trait_category(base_traits, class_traits, instance_traits, prefix_traits, view_elements)
else:
MetaHasTraitsObject.add_traits_meta_data(
self, bases, class_dict, base_traits, class_traits, instance_traits, prefix_traits, view_elements
)
def add_traits_meta_data ( self, bases, class_dict, base_traits,
class_traits, instance_traits, prefix_traits,
view_elements ):
if len( bases ) == 2:
# Update the class and each of the existing subclasses:
bases[1]._add_trait_category( base_traits, class_traits,
instance_traits, prefix_traits, view_elements )
else:
MetaHasTraitsObject.add_traits_meta_data( self, bases,
class_dict, base_traits, class_traits, instance_traits,
prefix_traits, view_elements )
def add_traits_meta_data(self, bases, class_dict, base_traits,
class_traits, prefix_traits, view_elements):
if len(bases) == 2:
category_class = bases[1]
# Update the base class's traits with the new ones:
if len(base_traits) > 0:
getattr(category_class, BaseTraits).update(base_traits)
if len(class_traits) > 0:
getattr(category_class, ClassTraits).update(class_traits)
if len(prefix_traits) > 0:
getattr(category_class, PrefixTraits).update(prefix_traits)
# Copy all our view elements into the base class's ViewElements:
if view_elements is not None:
content = view_elements.content
if len(content) > 0:
base_ve = getattr(category_class, ViewTraits, None)
if base_ve is None:
setattr(category_class, ViewTraits, view_elements)
else:
base_ve.content.update(content)
# Update each of the existing subclasses as well:
for subclass in category_class.trait_subclasses(True):
subclass_traits = getattr(subclass, BaseTraits)
for name, value in base_traits.items():
subclass_traits.setdefault(name, value)
subclass_traits = getattr(subclass, ClassTraits)
for name, value in class_traits.items():
subclass_traits.setdefault(name, value)
subclass_traits = getattr(subclass, PrefixTraits)
subclass_list = subclass_traits['*']
changed = False
for name, value in prefix_traits.items():
if name not in subclass_traits:
subclass_traits[name] = value
subclass_list.append(name)
changed = True
# Resort the list from longest to shortest (if necessary):
if changed:
subclass_list.sort(lambda x, y: len(y) - len(x))
else:
MetaHasTraitsObject.add_traits_meta_data(self, bases, class_dict,
base_traits, class_traits,
prefix_traits,
view_elements)
def add_traits_meta_data ( self, bases, class_dict, base_traits,
class_traits, prefix_traits, view_elements ):
if len( bases ) == 2:
category_class = bases[1]
# Update the base class's traits with the new ones:
if len( base_traits ) > 0:
getattr( category_class, BaseTraits ).update( base_traits )
if len( class_traits ) > 0:
getattr( category_class, ClassTraits ).update( class_traits )
if len( prefix_traits ) > 0:
getattr( category_class, PrefixTraits ).update( prefix_traits )
# Copy all our view elements into the base class's ViewElements:
if view_elements is not None:
content = view_elements.content
if len( content ) > 0:
base_ve = getattr( category_class, ViewTraits, None )
if base_ve is None:
setattr( category_class, ViewTraits, view_elements )
else:
base_ve.content.update( content )
# Update each of the existing subclasses as well:
for subclass in category_class.trait_subclasses( True ):
subclass_traits = getattr( subclass, BaseTraits )
for name, value in base_traits.items():
subclass_traits.setdefault( name, value )
subclass_traits = getattr( subclass, ClassTraits )
for name, value in class_traits.items():
subclass_traits.setdefault( name, value )
subclass_traits = getattr( subclass, PrefixTraits )
subclass_list = subclass_traits['*']
changed = False
for name, value in prefix_traits.items():
if name not in subclass_traits:
subclass_traits[ name ] = value
subclass_list.append( name )
changed = True
# Resort the list from longest to shortest (if necessary):
if changed:
subclass_list.sort( lambda x, y: len( y ) - len( x ) )
else:
MetaHasTraitsObject.add_traits_meta_data( self, bases,
class_dict, base_traits, class_traits, prefix_traits,
view_elements )
