Re: [pmwiki-devel] Embed script immediately after body

Sun, 05 Sep 2021 22:46:57 -0700 

On 05/09/2021 22:26, Simon wrote:

Thanks very much, my wording was very loose.
The instructions say" Include the JavaScript SDK on your page once, ideally 
right after the opening body tag."
This can be added in the skin template file, right after the opening body tag.
Alternatively, you may want to create a markup rule and place that in your GroupHeader page. It will not be right after the opening <body> tag but close, and will be more configurable from within the wiki.
Their SDK script has the attributes "async" and "defer", that means it is run in very low priority, and not at any precise point in time.
I see that you can embed the posts in a simpler iframe, see attached screenshot. It may be easier to maintain this way, and no need for the full SDK. 

Something like this may work:

  Markup('fbpost', 'directives', '/\\(:fbpost (.*?):\\)/', 'FmtFBPost');
  function FmtFBPost($m) {
$fmt = '<iframe src="https://www.facebook.com/plugins/post.php?href=' 
    . '{$url}&amp;width=500&amp;show_text=true&amp;height=273&amp;appId"
    width="500" height="273" style="border:none;overflow:hidden"
    scrolling="no" frameborder="0" allowfullscreen="true"
allow="clipboard-write; encrypted-media; picture-in-picture; web-share">' 
    .'</iframe>';

    $url = trim($m[1]));
    $html = str_replace('{$url}', rawurlencode($url), $fmt);
    return Keep($html);
  }

Then in a wiki page, you use:

   (:fbpost https://[full url of the post]:)
From their example, I only escaped the special character & to &amp; and removed the "autoplay" permission. You can probably start from here. 

Petko


On Mon, 6 Sept 2021 at 05:04, Petko Yotov <5...@5ko.fr> wrote:


On 05/09/2021 11:10, Simon wrote:
> Does PmWiki have the ability to specify scripts to be added to a page
> directly after the body tag?

$HTMLFooterFmt is intended for this:

   $HTMLFooterFmt['my-recipe'] =
     '<script src="$FarmPubDirUrl/my-recipe.js"></script>';

Or possibly, if you want to allow customization:

   SDVA($HTMLFooterFmt, array('my-recipe' => '<script ...>'));
BTW, this is not added "after" the </body> tag but just before it. After 
it would be invalid HTML.

Petko

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