On Nov 23, 2008, at 9:59 AM, Paul McNett wrote:
> But why is this not an issue in AppWizard-generated apps?
Because the data field is not the initially focused control. In
Roger's app, the form opens with the control in question having focus.
If I tab away from that field and then return, the validation fires
correctly, since the underlying _value/_oldval atts hold the actual
data in the field. When the control is the very first control to
receive focus, it's _oldval should be None, but text controls work
differently.
If I remove line 24 from dDataControlMixinBase.py, the problem goes
away. This is because for text controls, self.Value and self._value
can be different types. Tracing through the code, they are, up until
that point: self._value is None, while self.Value = u''.
Since this is at the dabo.ui level, and the text control stuff is at
dabo.ui.uiwx, I'm trying to figure out a way to handle this correctly.
-- Ed Leafe
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