class DataDeck(FloatLayout):
data = []
data_type_display = ObjectProperty(None)
data_type_display_class = None
data_type_class_map = [ImageDataDisplay]
def __init__(self, data_type, database_name, **kwargs):
self._data_type = data_type
self.database = UserSession().mongo_client[database_name]
self.data_manager = DataManager(self.database,
self.create_data_type_display())
self.data_manager.fetch_source_data()
super(DataDeck, self).__init__(**kwargs)
self.initial_populate()
def on_kv_post(self, base_widget):
self.initial_populate()
def create_data_type_display(self):
return self.data_type_class_map[self._data_type](self.database)
def initdata(self):
self.get_data_batch()
self.initial_populate()
def get_data_batch(self):
self.data_manager.fetch_source_data()
def initial_populate(self):
for i in range(2):
self.add_dataDisplay()
def add_dataDisplay(self):
#remove from self.data
#make sure self.data is always full
self.data_display_widget = self.create_data_type_display()
data = self.data_manager.pop()
self.data_display_widget.setData(data)
self.data_display_widget.buildData()
if len(self.data_manager) < 3:
self.data_manager.fetch_source_data()
self.add_widget(self.data_display_widget)
def label_data(self, label):
self.children[0].label_data(label)
self.remove_widget(self.children[0])
self.add_dataDisplay()
def fetchSourceData(self):
# from the datamanager
self.data_manager.fetchSourceData()
