class VCRoomField(HiddenField):
widget = SelectizeWidget(min_trigger_length=3)
def process_formdata(self, valuelist):
if valuelist and valuelist[0].isdigit():
self.data = VCRoom.get(valuelist[0])
def _value(self):
return self.data.id if self.data is not None else None
class AbstractField(QuerySelectField):
"""A selectize-based field to select an abstract from an event."""
widget = SelectizeWidget(allow_by_id=True, search_field='title', label_field='full_title', preload=True,
search_method='POST', inline_js=True)
def __init__(self, *args, **kwargs):
kwargs.setdefault('allow_blank', True)
kwargs.setdefault('render_kw', {}).setdefault('placeholder', _('Enter abstract title or #id'))
kwargs['query_factory'] = self._get_query
kwargs['get_label'] = lambda a: f'#{a.friendly_id}: {a.title}'
self.ajax_endpoint = kwargs.pop('ajax_endpoint')
self.excluded_abstract_ids = set()
super().__init__(*args, **kwargs)
@classmethod
def _serialize_abstract(cls, abstract):
return {'id': abstract.id, 'friendly_id': abstract.friendly_id, 'title': abstract.title,
'full_title': f'#{abstract.friendly_id}: {abstract.title}'}
def _get_query(self):
query = Abstract.query.with_parent(self.event).options(joinedload('submitter').lazyload('*'))
excluded = set(map(int, request.form.getlist('excluded_abstract_id')))
if excluded:
query = query.filter(Abstract.id.notin_(excluded))
return query.order_by(Abstract.friendly_id)
def _get_object_list(self):
return [(key, abstract)
for key, abstract in super(AbstractField, self)._get_object_list()
if abstract.can_access(session.user)]
def _value(self):
return self._serialize_abstract(self.data) if self.data else None
def pre_validate(self, form):
super().pre_validate(form)
if self.data is not None and self.data.id in self.excluded_abstract_ids:
raise ValueError(_('This abstract cannot be selected.'))
@property
def event(self):
# This cannot be accessed in __init__ since `get_form` is set
# afterwards (when the field gets bound to its form) so we
# need to access it through a property instead.
return self.get_form().event
@property
def search_url(self):
return url_for(self.ajax_endpoint, self.event)
@property
def search_payload(self):
return {'excluded_abstract_id': list(self.excluded_abstract_ids)}
class VCRoomField(HiddenField):
widget = SelectizeWidget()
def _convert_principal(self, principal):
if principal['_type'] == 'Avatar':
return u'Avatar', principal['id']
else:
return u'Group', principal['id']
def process_formdata(self, valuelist):
if valuelist and valuelist[0].isdigit():
self.data = VCRoom.get(valuelist[0])
def _value(self):
return self.data.id if self.data is not None else None
class LinkedObjectField(Field):
widget = SelectizeWidget(allow_by_id=True, search_field='title', label_field='full_title', preload=True,
inline_js=True)
def __init__(self, *args, **kwargs):
self.ajax_endpoint = kwargs.pop('ajax_endpoint')
super().__init__(*args, **kwargs)
def _value(self):
pass
@property
def event(self):
# This cannot be accessed in __init__ since `get_form` is set
# afterwards (when the field gets bound to its form) so we
# need to access it through a property instead.
return self.get_form().event
@property
def search_url(self):
return url_for(self.ajax_endpoint, self.event)