I blogged earlier this year about doing faceted navigation with Mallard. The idea sat dormant for a while, but with the new GNOME developer demos, I had a really fun use case.

Here’s the basic idea: Topic pages declare values for facets. These are basically just categorized tags. So my Message Board tutorial has some simple markup that says it’s written in C and it’s teaching you WebKit. You then have a page that collects all the topics and provides selectors to narrow what you’re looking at.

So as I browse the demos, I can say that I’m only interested in C. And perhaps I’m looking at GTK+ and Clutter to see which one is a better fit for a project I’m starting. I can uncheck everything else. Then I’m looking at only demos in C that teach either GTK+ or Clutter. Screencast:

All of the scripting is handled by Yelp. Document authors only need to write some simple declarative markup in a Mallard extension format.

(Aside: When I try to upload an ogv file to WordPress, it tells me the file type doesn’t meet security guidelines. If I rename it to ogg, I can upload it, but WordPress inserts it as audio. I have to write the HTML for the video by hand. Could somebody please make it easier to use Ogg Theora on blogs.gnome.org?)

Open Help Conference

One Response to “More Faceted Navigation”

  1. aklapper Says:

    Re ogv: Please file a bug in bugzilla.gnome.org.

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