[TYPO3-core] RFC: #8503: TCA input with property checkbox can't be removed

[Steffen Kamper]

"Dmitry Dulepov [typo3]" <dmitry at typo3.org> schrieb im Newsbeitrag 
news:mailman.1.1211816221.24225.typo3-team-core at lists.netfielders.de...
> Steffen Kamper wrote:
>> Hi,
>>
>> "Dmitry Dulepov [typo3]" <dmitry at typo3.org> schrieb im Newsbeitrag 
>> news:mailman.1.1211808908.22141.typo3-team-core at lists.netfielders.de...
>>> Hi!
>>>
>>> Well, this worked like that for ages. I used it many times because it is 
>>> known behavior and people already know how it works. I see no reason to 
>>> change it. Let it stay compatible as it is. Don't change conventions 
>>> just because you do not like them.
>>>
>>
>> it should be allowed to make some critical notes, even if it's used for 
>> years :-)
>
> Absolutely agree! :)
>
> Many things can (and should!) be critisized! But changing them is another 
> story. We can ~enhance~ them (like providing TSConfig way to modify/remove 
> them) but changing well-known thing is fully different story...
>
>> hm. looks complicate. The syntax of > is clearing a property, which works 
>> in normal TS, so why don't make it working instead of finding new 
>> properties to achieve the same?
>
> Well, it is not just clearing but clearing ~existing~ property. In case of 
> TSConfig property does not exist if you do not set it explicitly. So when 
> parsing TS, parser will check the property, see that it is not set and 
> will do nothing. And it cannot be caught :(
>
> But your original point is completely logical. ">" looks perfectly fine 
> for removing the checkbox. Though implementing it would not be easy. It 
> needs setting TS properties for each control before parsing TSConfig and 
> checking if they are still set after parsing TSConfig (if not set - 
> removing checkbox). It looks like going from Berlin to Elmshorn through 
> New Zealand.
>
> -- 

ok, i'll give it a try if it's possible, give me some time to check it out 
:-)
I would prefer such easy solution, and if it works here it could be used 
with other properties as well, let's dive into.

vg Steffen