[TYPO3-core] Gremlin #1577: use ajax to open popup menus

[Michael Stucki]

Playing with this since Sebastian made that patch when he was in CH. It's
working like a charme. Great work!!

+1

Michael

Sebastian Kurfuerst wrote:

> User writes:
> 
> on browsers where it is supported, ajax technology could be used to
> fetch and update the page tree in the BE dynamically, and load popup
> menus.
> 
> Solution:
> 
>       * t3lib_ajax is created, handles basic XMLHTTPrequest things
>       * all clickmenus are opened with ajax if supported
>       * fully backwards-compatible, if there is no
>         xmlhttp-request-object available in the browser the old method
>         by reloading the top frame is used.
> 
> Notes:
>       * there is no optimisation done in alt_clickmenu.php, but the
>         speed increase is notable. On my test system, it was one second
>         faster than without ajax.
> 
> Greets,
> Sebastian
> 

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