On Jan 1, 2013, at 6:03 PM, Carey Gagnon <[email protected]> wrote:
> I have an issue with the DynamicVisible property on a dButton
> If I set it to return False when there is no biz count and True if there is
> a biz count the button never become visible on update. If I do the
> opposite, it works, the button is initially visible and then not visible on
> update when there is a biz row count.
OK, I've tracked it down. I'm surprised that no one caught this before!
Here is the code in dPemMixin that handles update events:
1338 def __onUpdate(self, evt):
1339 """Update any dynamic properties, and then call the update()
hook."""
1340 if isinstance(self, dabo.ui.deadObject) or not self._constructed():
1341 return
1342 # Check paged controls event propagation to inactive pages.
1343 try:
1344 updateInactive = self.Parent.UpdateInactivePages
1345 except AttributeError:
1346 updateInactive = None
1347 if updateInactive == False and self.Parent.SelectedPage != self:
1348 return
1349 if not updateInactive and not self.Visible:
1350 # (some platforms have inactive pages not visible)
1351 return
1352 self.update()
Note that in line 1349, if the control is not Visible, it never calls
the update() method. I'm sure that the thinking was that if the control isn't
visible, why waste time updating it?
I'll look into finding a good solution tonight.
-- Ed Leafe
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