class ObjectSelectorTaskForm(FoldingFieldSubmitForm):
def __init__(self, app, name, task):
super(ObjectSelectorTaskForm, self).__init__(app, name)
self.task = task
self.cls = task.selector.cls
item = IntegerParameter(app, "item")
self.ids = ListParameter(app, "id", item)
self.add_parameter(self.ids)
self.selection = SessionAttribute(self, "selection")
self.content = self.SelectionList(app, "fields")
self.replace_child(self.content)
self.app.form_page.modes.add_mode(self)
def do_process(self, session):
# If the selection list is zero length,
# set cancel state and let processing complete.
if self.get_selection(session) == 0:
self.cancel(session)
super(ObjectSelectorTaskForm, self).do_process(session)
def get_selection(self, session):
selection = list()
self.selection.set(session, selection)
for id in self.ids.get(session):
try:
item = self.cls.get_object_by_id(session.cursor, id)
selection.append(item)
except:
pass
return len(selection)
def process_submit(self, session):
selection = self.selection.get(session)
self.task.invoke(session, selection)
self.task.exit_with_redirect(session)
def render_title(self, session):
return self.task.get_title(session)
class SelectionList(ItemSet):
def do_get_items(self, session):
return self.parent.selection.get(session)
def render_item_content(self, session, item):
# already escaped in get_item_content
return self.parent.task.get_item_content(session, item)
def render_item_class(self, session, item):
return "item"
def __init__(self, app, name, task):
super(ObjectSelectorTaskForm, self).__init__(app, name)
self.task = task
self.cls = task.selector.cls
item = IntegerParameter(app, "item")
self.ids = ListParameter(app, "id", item)
self.add_parameter(self.ids)
self.selection = SessionAttribute(self, "selection")
self.content = self.SelectionList(app, "fields")
self.replace_child(self.content)
self.app.form_page.modes.add_mode(self)
