[TYPO3-core] RFC: Feature #6710: Use optgroups in selectorboxes

[Ingmar Schlecht]

This is an SVN patch request.

Type: New feature / Code cleanup

Bugtracker references:
http://bugs.typo3.org/view.php?id=6710

Branch: trunk

Problem:
The page and content type selectors now group their options using
--div-- dividers. TCEForm renders them as optically grouped bunches of
options, but doesn't use the optgroup tag, which is meant for that.

Solution:
Use the optgroup tag.

The patch is easy to review, as the else {} part is exactly what was
there before, and only if a divider should be rendered which is
if(!strcmp($p[1],'--div--')) now the optgroup tag is rendered.

Notes:
Tested with FF2, IE6, IE7 and Konqueror, whereas Konqueror still doesn't
perform well, but at least better than with the old way of grouping.

cheers
Ingmar

-- 
Ingmar Schlecht
TYPO3 Association Active Member
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