Thanks for looking into this all. Leave it to me to attempt some edge case
scenario. I'm curious how Trevor handles this in his levure framework. There's
no way I can see to move current custom code to a stack only script for
datagrids.
Bob S
> On Jul 23, 2018, at 14:01 , Brian Milby via use-livecode
> <use-livecode@lists.runrev.com> wrote:
>
> So that is something that could be fixed pretty easily. I’m thinking a script
> local to store the value which will offset the additional work to figure it
> out the first time.
>
> Logic would be to check for some key object and if not found then move up the
> behavior chain a level and look. Could either decide that only one could be
> there or just keep going until there are no more. There is no error checking
> now, so it could fail in the same manner.
>
> A side effect would be that the call would be faster for every other use
> since it would only be checking that the script local wasn’t empty and
> returning the value.
>
> Another option would be to just initialize the variable in _Initialize and
> use it for the 10 places the function is currently used. That would be even
> faster since it would eliminate the function call completely.
>
> Thanks,
> Brian
> On Jul 23, 2018, 1:24 PM -0500, Niggemann, Bernd via use-livecode
> <use-livecode@lists.runrev.com>, wrote:
>> The problem Bob Sneidar ran into by changing the order of the behaviors of a
>> dataGrid is due to the initialization process of the dataGrid at start-up.
>>
>> The behavior looks for a resourceStack by means of this handler.
>>
>> private function _ResourceStack
>> local theStack, theCharNo
>> put the behavior of me into theStack
>> if theStack is not empty then
>> put offset(" of stack", theStack) into theCharNo <-- looks only at first
>> behavior which is in Bob's case the wrong stack
>> delete char 1 to (theCharNo + 3) of theStack
>> end if
>>
>> return theStack
>> end _ResourceStack
>>
>>
>> In Bob's case the function returns the stack the button his newly assembled
>> behavior is placed on instead of stack "revdatagridlibrary.rev".
>> Then the initialization trys to set again behaviors of specific elements of
>> the datagrid to scripts of the "correct" _ResourceStack.
>>
>> This fails obviously and is the reason for Bob's approach to fail.
>>
>> Further details of this on request, I don't want to bother the list with
>> them.
>>
>> Kind regards
>>
>> Bernd
>>
>>
>>
>>
>>
>>
>> Richard Gaskin wrote:
>>
>> The more I've explored this the more subclassing by inserting a custom
>> behavior in between a custom control and its original behavior should work.
>> It's curious that it doesn't here.
>>
>> What exactly were the errors you encountered?
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