Hello,
there are some things I don't understand about dSpinner, and, I think, a bug
in its documentation
(http://paul.dabodev.com/doc/api/dabodoc/dabo.ui.uiwx.dSpinner.dSpinner.html):
Is this really the right text for _this_ component?
"Class dSpinner
Creates a panel, a basic container for controls. This panel, unlike the plain
dPanel class, inherits from the Data Control mixin class, which makes it
useful building composite controls that have a Value that can be bound like
any simple control."
(And shouldn't it be "which makes it useful _for_ building composite
controls ..." or something like that?)
In the DaboDemo for the component I noticed that the non-wrapping spinner
can't be moved by its arrows below its starting value, although the minimum
value is lower. And if I change the increment to 0.25 and the starting value
to 5.5, it can only be moved up to 7.75, not to 10, as it should.
The spinner problem I started out with: I'm trying to work through
the "Step-to-Step guide to Dabo programming". But I don't really want to
install MySQL (Gentoo doesn't seem to give me the right packages for a
client-only install), so I thought I'd simply create the database with
SQLite. Which works up to a point, only when I run the "hours" form and use
the spinner for the "hours" field, I get this error:
Traceback (most recent call last):
File
"/usr/lib/python2.5/site-packages/Dabo-0.8.4-py2.5.egg/dabo/ui/uiwx/dSpinner.py",
line 82, in __onWxSpinDown
if self._spinDown():
File
"/usr/lib/python2.5/site-packages/Dabo-0.8.4-py2.5.egg/dabo/ui/uiwx/dSpinner.py",
line 106, in _spinDown
new = curr - self.Increment
TypeError: unsupported operand type(s) for -: 'Decimal' and 'float'
Probably because SQLite hasn't got a Decimal type, right? How to work around
this? Of course just for the tutorial I could use Firebird which is my
preference for client-server applications. But I've got some small apps where
even Firebird would be overkill and SQLite seems just right. So I'd like to
clear this up.
Thank you,
Sibylle
--
Dr. Sibylle Koczian
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