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I have an entity with 10 painted occurences.
On each occurence, the size of some fields are different depending on the type of data displayed in the occurence. Therefore, I use $paintedfieldproperties to change the size.
But it no longer works if I have more than 10 records in my database. Indeed, the first painted occurence may display the 20th occurence of the database. Indeed, for $paintedfieldproperties, one must specify the painted occurence number, not the current occurence of the hist list
So how can I know on which painted occurence I am for the current occurence of the hitlist ($curocc) ?
Trying to match the current occurrence in the hitlist with a painted occurrence on screen is not really straight forward when there are more occurrences in the hitlist than can be displayed. I've tried to come up with a routine to tackle this quite some time ago, but the resulting code was quite cumbersome and error-prone.
There was a wish for this on the "old" wishlist (that was maintained on the old Uniface.info site). This wish is still open and I don't think that there are any plans to do anything about this. Sorry.
The best thing is to limit the number of occurrences read from the database to the number of repetitions on screen (i.e. visible occurrences). You then could move through the hitlist by using database pagination. By doing this you can easily match the painted occurrence to the database occurrence.
Hope this helps.
It's a shame because the only missing data to get it work is the current painted occurence. It would then be easy to calculate the position in the histlist and to refresh the painted fields for the occurences of the list...
Thanks for the database pagination idea, but it will not be usable for my screen. It manages a list of configurable questions. Then the user can enter the answers, add questions, remove questions, new questions can be cascaded, etc.
I'll not spend more time on this development.
Many thanks for your help.
Thanks for your feedback. And you are welcome.
Thanks for your idea. I'll try it.
Thanks also Daniel for your advice related to the Format trigger. I'll check
A workaround ? The Format trrigger is activate only for visible occ then :
1) add a component variable $result$
2) paint a field in multiocc entity
3) in the format trigger of this field add the proc script:
if($item($curocc,$result$)="") putitem $result$,-1,$curocc while($itemcount($result$)>$paintedocc($entname)) delitem $result$,1 endwhileendif
4) in the entity "occurence get focus" add the proc script :
6) in the async interrupt trigger add :
→ here get the visible occ in the $result$
exemple: $result$= 8;9;10
item 1 = paintedocc 1 = occ 8
item 2 = paintedocc 2 = occ 9
item 3 = paintedocc 3 =occ 10
Thanks for your feedback.
I've created a similar routine (many years ago), but this really will only work with a static hitlist. As soon as you'll add or remove occurrences then the Format triggers are not fired anymore (at least not in all cases) in a predictable way.
Yes your are right. the solution is to force the format trigger.
I resolved the problem with this easy,rapid but blink (and not optimized) solution :
EndVariablespos=$curoccdiscard $entname,0 or remocc or creocc ( in this case pos=$curocc must be after this line)$result$=""setocc $entname,1 forentity $entname showendforsetocc $entname,pos
Not opimized : start loop at curocc-paintedocc ,stop loop at curocc+paintedocc
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