[TYPO3-core] RFC #8177: top.loadTopMenu undefined

[Benjamin Mack]

Hey team,

this is a SVN patch request.

Branches: TYPO3-4.2 =/ trunk

BT reference: http://bugs.typo3.org/view.php?id=8177

Problem: The new backend that was introduced in TYPO3 4.2 does not offer 
the possibility to load content in the topframe anymore. However there 
are certain extensions that still use a direct call to top.loadTopMenu 
(which was the default in TYPO3 3.6 or so, and was copied over to their 
extension then). However, in the meantime, we had the switch to e.g. 
show the clickmenu not in the topMenu but in a div through AJAX. Since 
TYPO3 4.0 we have a minimum requirement for IE 6 which supports AJAX, 
but we still had the option to have the clickmenu loaded in the topMenu. 
However this is obsolete now and in fact, the new backend.php removed 
this function completely, so nothing happens if the topmenu should be 
loaded.

Solution: Therefore I introduced a stub function with an alert message 
to let the user know that he is using an old extension. It should be 
reported to the BT so we can inform the user. Apart from that we don't 
need to the "isCMLayers" check and switches anymore so I set them to 
deprecated.

Notes: Should IMHO go in to 4.2.1


-- 
greetings,
benni.
-SDG-
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