Hi,
Am 04.01.2006 04:08, Chris Ricks schrieb:
[...]
Qooxdoo properties perform these checks when using the "instance" and
"classname" parameters respectively.
To do this in my own code (where using Qooxdoo properties isn't
appropriate), is it simply a matter of checking the object's "classname"
or "instance" members?
I can't give you a definitive answer on this, but the QxWidget class
uses the "classname" to make sure it's not instantiated directly, which
is similar to the use-case you described.
So going from there, I'd say it's probably best to use the classname.
This being said: It really depends on your use-case. Using the classname
won't work with extending classes. So you wouldn't be able to provide
extended classes as a value for a property, if you check via the
classname. For this you would have to use instanceof
Cheers
Benjamin
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