[pmwiki-users] Can a markup function set $HTMLHeaderFmt?

Petko Yotov 5ko at 5ko.fr
Thu Sep 7 00:05:45 CDT 2017

Functions processing markup can set global $HTMLHeaderFmt entries when 
they process the main (browsed, requested) page. The SideBar and other 
pages called from the skin template are processed after the main page, 
and after the HTTP headers and the HTML headers have already been 
output, so setting $HTMLHeaderFmt from the SideBar does nothing.

Main.GroupHeader is actually "included" in the browsed page and 
processed with it; this and other included pages should be able to set a 
$HTMLHeaderFmt entry.

If your button is in the SideBar, simply set the $HTMLHeaderFmt entry 
directly in local/Group.php or in local/config.php.


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On 2017-09-07 00:59, SteP wrote:
> Can a markup function set
> $HTMLHeaderFmt? Can it always or are there
> restrictions?  I ask because what I see happening with this recipe
> http://www.pmwiki.org/wiki/Cookbook/AddThisWidget-Talk (the one by
> Carlos AB) is weird and puzzles
> me. If I put the markup (:addThis :) directly in a wiki page then all
> is well: a "Share" button is rendered
> and hovering over it pops up a menu from
> http://s7.addthis.com/js/250/addthis_widget.js. However, if I
> put the same markup in an included file, such as Site.Sidebar, or
> Main.GroupHeader,
> the button is still
> rendered but addthis_widget.js isn't downloaded at all, so the menu is
> missing. This happens, I think,
> because the element $HTMLHeaderFmt['addthis'] == "\n" (see the code
> below) instead of carrying the
> <script> tags that should go into the <header>.  What's going on?

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