def get_selected_field(self):
"""
Get the selected field
@return a tuple (packet, proto, field) containing the parent
protocol for field and the field or None, None, None
"""
model, iter = self.tree.get_selection().get_selected()
if not iter:
return (None, None, None)
obj = model.get_value(iter, 0)
proto = obj.proto
if isinstance(obj, TField):
field = obj.ref
elif isinstance(obj, TFlag):
field = obj.field
else:
field = None
if not proto or not field or \
not backend.is_field(field) or \
not backend.is_proto(proto):
return (None, None, None)
return (self.packet, proto, field)
def __search_func(self, model, col, key, iter):
field = model.get_value(iter, 0)
if not field or backend.is_proto(field):
return True
if isinstance(field, TFlag):
return not key in field.ref
name = backend.get_field_name(field.ref)
return not key in name
def get_active_protocol(self):
"""
Return the selected protocol or the most
important protocol if no selection.
@return a tuple Packet, Protocol or None, None
"""
model, iter = self.tree.get_selection().get_selected()
if not iter:
return None, None
obj = model.get_value(iter, 2)
assert backend.is_proto(obj), "Should be a Protocol instance."
return self.session.packet, obj
