[Mediawiki-l] Adding Scripts to a Page

Sat Jun 3 02:22:29 UTC 2006

Moin,

On Friday 02 June 2006 23:05, Brion Vibber wrote:
> Richard Minerich wrote:
> > I am currently working on an extension for MediaWiki and am having
> > some trouble getting scripts into the <head>
> > it seems as though $wgOut->addScript() does not work in the following
> > case:
> [snip]
> > I am unsure if it is because the timing of when I call addScript or
> > what. Any help would be greatly appreciated.
>
> You may not touch $wgOut or its output at wikitext render time (when
> parser hook extensions are called). First, output is also aggressively
> cached  so your hook will usually not be run again at actual output
> time.
>
> Keep in mind also that rendering may happen as a background task *while
> something else is being displayed*, or in a maintenance script, etc. By
> touching $wgOut directly you may be corrupting the display of another
> page.
>
> I've got an experimental hack for attaching additional extension hooks
> to run at display time which can be set from a paser hook; see
> http://svn.wikimedia.org/viewvc/mediawiki/trunk/extensions/Aggregator/
>
> This work is incomplete at this time.

Still cool. Please make sure that the extension can set different hooks 
for preview and final (aka saveas) rendering, as this is the only way for 
extensions generating files to know which files can be removed safely 
later on.

Best wishes,

Tels

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