[TYPO3-core] RFC #15828: Enhance the ExtDirect debugging feature

[Stefan Galinski]

Hi,

This is an SVN patch request.

Type: Feature

Bugtracker references:
http://bugs.typo3.org/view.php?id=15828

Branches: Trunk

Problem:
Currently you can use ExtDirect debugging only with the following call:
t3lib_extjs_extDirectDebug::debug('a debug string');

Solution:
Use the $GLOBALS['error'] variable that adds the possibility to use a 
special debug class for the debug function. You can use two possible 
ways after this now. As an additional goodie you can XCLASS the debug 
class now, because it isn't a finalized static class anymore.

$GLOBALS['error']->debug('a debug string');
or simply
debug('a debug string');

Note:
Thanks to SteffenK and Jeff for providing this idea. I will modify the 
ExtDirect wiki documentation after the commit of this patch.

How to Test:
Install the provided "extdirecttest" extension that demonstrates the 
debug methods.

-- 
Stefan Galinski
staatl. geprüfter Informatiktechniker
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