The structure of pages within MediaWiki (subpages, namespaces, categories, templates etc) and how to customize the look and feel (CSS, Gadgets), internals (Extensions) and content (API, bots). Based on "Hacking Mediawiki (For Users)" by Brianna Laugher. http://www.slideshare.net/pfctdayelise/hacking-mediawiki-for-users-presentation

1. Jani Patokallio Hacking MediaWiki http://www.mediawiki.org/

2. MediaWiki/Wikimedia Wiki structure Wiki customisation Outline

3. Open-source (GPL) wiki engine software (uses LAMP) MediaWiki Wikimedia MediaWiki US foundation that runs a bunch of Wiki sites (Wikipedia etc.)

5. Special:WhatLinksHere (B-> A) Special:RecentChangesLinked (B-> C) Special:MostLinked Special:WantedPages Links Help:Links

6. Links Subpages Wiki structure

7. Automated breadcrumbs “up” A / B / C into A ← B ← C Subpages Help:Subpages

8. Links Subpages Namespaces Wiki structure

9. “ Front” page + talk page Main, Project, Help, add more... Template Category Special* Image, Media* MediaWiki* (* = pseudo namespace) Namespaces Help:Namespaces

10. Special:RecentChanges Special:SpecialPages Special pages Help:Special pages

11. Categories Help:Categories Group together pages

13. Links Subpages Namespaces Categories Templates Wiki structure

14. Page transclusion: {{foo}} <noinclude>, <includeonly>, {{subst:foo}} Parameters Templates Help:Templates

17. Special:ExpandTemplates

18. Special:ExpandTemplates

19. Look like {{CAPS TEMPLATES}} Especially used in templates - context. Time, revision related Stats! {{NUMBEROFARTICLES}} {{NUMBEROFEDITS}} {{NUMBEROFUSERS}} {{PAGESINCATEGORY:Foo}} Magic words Help:Magic words

20. Special:ListGroupRights “ Anonymous”/IP editor User Admin (Sysop) Bureaucrat Bot User access levels Manual:User rights

22. “ System [interface] messages” Edit MediaWiki: pages to overrride defaults (sysops only) Search on Special:Allmessages to find the right message/page MediaWiki namespace Manual:System message

24. Users can customize their own view! MediaWiki:Common.css MediaWiki:Common.js Monobook skin: (same for others) MediaWiki:Monobook.css MediaWiki:Monobook.js Look & feel

25. Massively simplify user JS/CSS sharing: no more copying user subpages MediaWiki:Gadgets-definition -> New Preferences tab JS/CSS Gadgets Extension:Gadgets

26. MediaWiki:Gadgets-definition MediaWiki:Gadget-section-browsing-gadgets MediaWiki:Gadget-Navigation popups List of file names MediaWiki:Gadget-foo.js/css

27. Special:Preferences -> Gadgets

28. Make your edit box less scary: Gadget rec: wikEd http://enwp.org/WP:WIKED

29. The way to add random PHP code to extend MediaWiki's functionality ~1500 already available Quality varies widely Stick to those already live on Wikimedia projects... Extensions Manual:Extensions

30. Adds Editor, Reviewer user classes Page revisions must be approved before they go live to public Comments and quality flags for pages Being rolled out on Wikipedia now FlaggedRevs Extension:FlaggedRevs

31. When categories aren't enough... Semantic tags in content [[name::Melbourne]] [[place::city]] [[pop::3609734]] SQL-type queries across content {{#ask: [[place::city]] [[pop::>1000000]] | ?name }} Semantic Mediawiki semanticmediawiki.org

34. Query (XML) Parse (= render as HTML) Edit, delete, move Bulk import, export (again XML) API operations mediawiki.org/wiki/API

35. http://mediawiki.org is half-decent now Still lots of info on http://meta.wikimedia.org/ IRC is popular: irc://irc.freenode.net/mediawiki MLs: mediawiki-l Forum: http://mwusers.com/ (unofficial) Support

36. Questions? Jani Patokallio <jani@contentshare.sg> Original slides by Brianna Laugher <brianna@modernthings.org> These slides are dual-licensed GFDL1.2+, CC-BY-SA-3.0. Screenshots are GFDL/GPL, WMF logo is all rights reserved, MediaWiki logo is public domain. Thank you!