Oddity in 'currentCard' function?

[Craig Newman]

NitPicking within myself, but I have always isolated variables in “do” constructions:
do "set the myProperty of" && tCardName && "to" && tValue

Craig

> On Oct 24, 2023, at 1:59 PM, Craig Newman <craig at starfirelighting.com> wrote:
> 
> Paul.
> 
> Having a more complete description seems right to me. You are essentially saying that if you use the moniker “the currentCard” that LC should know what you are intending, the is, the current “card”, and not the current “something else”.
> 
> It has to be one of those cases where, as Danny Goodman once said, “If a line of code seem like it ought to work but does not, try using a “do” construction to force another layer of resolution;
> 
> on mouseUp
> put the currentCard of stack "Untitled 1" into tCardName
> 
> do "set the myProperty of" && tCardName && "to tValue"
> 
> end mouseUp
> 
> This works, and shows that the referencing of these sorts of things in LC, like in HC, is not quite as they read like.
> 
> Craig
> 
> 
>> On Oct 24, 2023, at 1:00 PM, Paul Dupuis via use-livecode <use-livecode at lists.runrev.com> wrote:
>> 
>> I think I found a oddity in the "currentCard" property.
>> 
>> The documentation states that the currentCard property return the short name of the current card of a stack:
>> 
>> for example: put the currentCard of stack "Untitled 1" into tCardName
>> 
>> You can then execute code such as: set the myProperty of cd tCardName of stack "Untitled 1" to tValue
>> 
>> However, if the card does not have a name set, then current card returns "card id <idnumber>", example: card id 1002 and the above 2 lines of code return a runtime error of 'can't find card'
>> 
>> put the currentCard of stack "Untitled 1" into tCardName
>> set the myProperty of cd tCardName of stack "Untitled 1" to tValue
>> 
>> WORKS for cards with a name
>> FAILS for cards without a name (where currentCard returns 'card id <number')
>> 
>> I think currentCard should just return 'id 1002' rather than 'card id 1002' if a card has no name.
>> 
>> Trying to execute: set the myProperty of cd tCardName of stack "Untitled 1" to tValue WHEN tCardName contain 'card id 1002' produces a run time error
>> 
>> But trying to execute: set the myProperty of cd id 1002 of stack "Untitled 1" to tValue works.
>> 
>> Oddly, set the myProperty of cd tCardName of stack "Untitled 1" to tValue FAILS if tCardName contains "id 10001" (and yes that card with that ID exists)
>> 
>> Oddly again, set the myProperty of the currentCard of stack "Untitled 1" to tValue DOES WORK whether they have a name or not
>> 
>> But again, breaking that example above (set the myProperty of the currentCard of stack "Untitled 1" to tValue) into 2 lines:
>> put the currentCard of stack "Untitled 1" into tCardName
>> set the myProperty of cd tCardName of stack "Untitled 1" to tValue
>> FAILS if the card has no name.
>> 
>> Something just seems off here?
>> 
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