[TYPO3-core] RFC #8897: BUG: "displayCond" => "FIELD:myfield:IN:1, 2" is not working correct on DB relations

[alex widschwendter]

This is an SVN patch request.

Type: New feature

Bugtracker references:
http://bugs.typo3.org/view.php?id=8897

Branches:
TYPO3_4-2 and trunk

Problem:
if setting a displayCond of type FIELD with IN the check is not correct 
for DB relations because the field value to evaluate is transported with 
the label in form
uid|label. additonal the check routine fails if you want to test against 
multiple values in list.

Solution:
attached patch converts the malformed values into arrays for proper 
testing. addtional to that, a new keyword "ALL" is introduced for this 
type of displayCond to specify if all id's must exist in the field to 
test against for true evaluation.


TIA alex
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