def __init__(self, impl, presenter):
self._impl = impl
self._title = ""
self._presenter = presenter
self._model = self._presenter.get_viewmodel()
self._fields = OrderedDict()
self._groups = OrderedDict()
self._presenter.set_view(self)
self._groupcounter = {
} # veldnaam => counter, t.b.v. geneste groepen met herhalende records
self._receiving = False # voorkom deadlocks; geef geen events door aan presenter als _receiving True is.
self._main_group = ViewGroup("main", ViewLayout.VERTICAL)
if impl:
impl.set_base(self)
def __new__(cls, clsname, bases, dct):
new_cls = type.__new__(cls, clsname, bases, dct)
# Veldattributen moeten worden afgebeeld in volgorde van declaratie.
new_cls._fieldattrs = OrderedDict()
for fieldname, field in sorted(
inspect.getmembers(
new_cls, lambda member: isinstance(member, ViewField)),
key=lambda name_and_field: name_and_field[1]._sequence):
new_cls._fieldattrs[fieldname] = field
return new_cls
def __init__(self, **kwargs):
self._fieldindex = OrderedDict() # mapping tussen ids en veldnamen
self._fltr = None
# voor elke instantie van ViewModel krijgen de
# veldnamen een uniek id
for fieldname, classfield in self._fieldattrs.items():
idx = counter.inc()
field = classfield.__class__(name=fieldname, config=classfield)
field._idx = idx
field.set_model(self)
object.__setattr__(self, fieldname, field)
self._fieldindex[idx] = fieldname
def __init__(self, *args, **kwargs):
super(RelationField, self).__init__(*args[1:], **kwargs)
if kwargs.get("config"):
return
assert args, "Geen relatie opgegeven"
assert issubclass(
args[0], ViewModel
), "Argument is geen subklasse van ViewModel: %r" % args[0]
self._relation = args[0]
if self._group:
self._group.fieldcount = self.fieldcount
headers = OrderedDict()
for fieldname, field in self._relation._fieldattrs.items():
headers[fieldname] = HeaderField(name=fieldname,
value=fieldname.capitalize())
HeaderCls = type("%sHeader" % self._relation.__name__,
(ViewModel, ), headers)
self._group.header = HeaderCls()
def clear_groups(self):
self._groups = OrderedDict()
def clear_fields(self):
if self._impl:
self._impl.clear_fields()
self._fields = OrderedDict()
