I have an app in which I'm using setProp handlers for preferences values.
I'm now adding a "Reset Defaults" feature, and figured it'd be pretty
convenient for me to just swap out the whole set of values in the prefs
property set with a matching default set, a la:
set the customProperties[uPrefs] of stack "4wTextEdit" \
to the customProperties[uPrefsDefaults] of stack "4wTextEdit"
What I discovered is that when you replace a whole set of properties en
masse like this, the setProp handler for the affected property set
doesn't trigger.
It'd be darned convenient if it did, but perhaps there's some reason why
it shouldn't.
Is this a bug or a feature?
As a workaround I wrote a generic handler for triggering setProp
messages for any property set of any object:
on TicklePropSet pPropSet, pObj
put the customProperties[pPropSet] of pObj into tPropsA
repeat for each key tLabel in tPropsA
do "set the "& pPropset &"[tLabel] of pObj to tPropsA[tLabel]"
-- set the pPropset[tLabel] of pObj to tPropsA[tLabel]
end repeat
end TicklePropSet
Oddly enough, the comment line doesn't work and doesn't throw an error
either (another thing that might be handy, using variables as the names
of property sets).
--
Richard Gaskin
Fourth World
Revolution training and consulting: http://www.fourthworld.com
Webzine for Rev developers: http://www.revjournal.com
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