def test_message_widget_runs():
hub = Hub()
widget = MessageWidget()
widget.register_to_hub(hub)
widget.show()
message = Message('test_message_widget_runs', tag='1234')
hub.broadcast(message)
def test_message_widget_runs():
hub = Hub()
widget = MessageWidget()
widget.register_to_hub(hub)
widget.show()
message = Message('test_message_widget_runs', tag='1234')
hub.broadcast(message)
def main():
app = QApplication(sys.argv)
win = QMainWindow()
data = example_data.simple_image()
dc = DataCollection([data])
histo_client = HistogramWidget(dc)
hub = Hub(dc, histo_client)
win.setCentralWidget(histo_client)
win.show()
sys.exit(app.exec_())
def __init__(self, data=None):
"""
:param data: :class:`~glue.core.data.Data` object, or list of such objects
"""
super(DataCollection, self).__init__()
self._link_manager = LinkManager()
self._data = []
self.hub = None
self._subset_groups = []
self.register_to_hub(Hub())
self.extend(as_list(data or []))
self._sg_count = 0
def __init__(self, data=None):
super(DataCollection, self).__init__()
self._link_manager = LinkManager(self)
self._data = []
self.hub = None
self._disable_sync_link_manager = 0
self._subset_groups = []
self.register_to_hub(Hub())
self.extend(as_list(data or []))
self._sg_count = 0
self._link_manager.register_to_hub(self.hub)
class MyClient(HubListener):
def register_to_hub(self, hub):
""" Sign up to receive DataMessages from the hub """
hub.subscribe(self, # subscribing object
DataMessage, # message type to subscribe to
handler = self.receive_message) # method to call
def receive_message(self, message):
""" Receives each DataMessage relay """
print " MyClient received a message \n"
# create objects
hub = Hub()
client = MyClient()
data = Data()
subset = data.new_subset()
data_collection = DataCollection()
# connect them to each other
data_collection.append(data)
data_collection.register_to_hub(hub)
client.register_to_hub(hub)
# manually send a DataMessage. Relayed to MyClient
print 'Manually sending DataMessage'
message = DataMessage(data)
hub.broadcast(message)
