[TYPO3-core] FYI: Fixed bug #13956: htmlArea RTE: Editing area is collapsed when the RTE is loaded inside a hidden tab in Safari

[Stanislas Rolland]

FYI: The attached SVN patch was committed.

Type:
Bugfix

Problem:
When the RTE is loaded in a hidden tab or inline element, and the tab or 
element is subsequently activated, the editing area is collapsed (height 
is zero). Resizing makes it appear. The problem arises in all browsers, 
except Firefox.

Solution:
Layout and dimensions setting of the RTE ExtJS panel and components are 
erratic when performed inside a hidden container. Make the hidden 
containers accessible before performing such operations. Reset editing 
area dimensions when it becomes visible (necessary in all browsers 
except WebKit-based).

Bugtracker references:
http://bugs.typo3.org/view.php?id=13956

Branches:
trunk (revision 7252)

Regards,
Stanislas
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