Enaml notification operator does not listen to create events

[Brad Buran]

I've managed to boil down the problem to the simplest possible code:

from atom.api import Atom, Typed
from enaml.core.api import Declarative, d_
from enaml.widgets.api import MainWindow

class Bar(Atom):
    pass

class Foo(Declarative):
    x = d_(Typed(Bar))

enamldef Main(MainWindow):
    Foo:
        initialized ::
            self.x = Bar()

        x ::
            # This never gets triggered!
            print('First foo changed')

    Foo:
        initialized ::
            self.x
            self.x = Bar()

        x ::
            # This gets triggered!
            print('Second foo changed')

The key difference between appears to be that the first generates only one event (create) whereas the second generates a create followed by an update event. I'd like the :: operator to respond to both create and update notifications. Is there any simple approach to solving this problem?

[Chris Colbert]

The notification operator ignores ‘create’ events by design. It specifically only responds to changes in the value, which would be an ‘update’ event.

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[Brad Buran]

Thank you. I had a suspicion this was the case. I will see if I can find a different approach to the problem.