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[git.ikiwiki.info.git] / doc / todo / plugin.mdwn

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-For one type of plugin, see [[todo/PluggableRenderers]]. 
+Suggestions of ideas for plugins:

 
 

-A plugin system should ideally support things like:
+* list of registered users - tricky because it sorta calls for a way to rebuild the page when a new user is registered. Might be better as a cgi?
+> At best, this could only show the users who have logged in, not all
+> permitted by the current auth plugin(s).  HTTP auth would need
+> web-server-specific code to list all users, and openid can't feasibly do so
+> at all. --[[JoshTriplett]]

 
 

-* [[todo/lists]] of pages, of mising pages / broken links, of registered users, etc
-* a [[todo/link_map]]
-* [[todo/sigs]]
-* [[pageindexes]]
-* Wiki stats, such as the total number of pages, total number of links, most linked to pages, etc, etc.
-* wiki info page, giving the ikiwiki version etc
-* would it be useful to reimplement the hyperestradier search integration as a plugin?
-* Support [[RecentChanges]] as a regular page containing a plugin that updates each time there is a change, and statically builds the recent changes list. (Would this be too expensive/inflexible? There might be other ways to do it as a plugin, like making all links to RecentChanges link to the cgi and have the cgi render it on demand.)
-* etc
+* Support [[RecentChanges]] as a regular page containing a plugin that
+  updates each time there is a change, and statically builds the recent
+  changes list. (Would this be too expensive/inflexible? There might be
+  other ways to do it as a plugin, like making all links to RecentChanges
+  link to the cgi and have the cgi render it on demand.) 

 
 

-Another, separate plugin system that already (mostly) exists in ikiwiki is the RCS backend, which allows writing modules to drive other RCS systems than subversion.
+  Or using an iframe
+  to inline the cgi, although firefox seems to render that nastily with
+  nested scroll bars. :-(
+> Or just link to the equivalent in the version control system, if available;
+> gitweb's shortlog or summary view would work nicely as a
+> RecentChanges. --[[JoshTriplett]]
+>>Why not fork the process?  We wouldn't have to wait around for a response since we would assume the recent changes page was being generated correctly.

 
 

-## preprocessor plugins
+* It would be nice to be able to have a button to show "Differences" (or 
+  "Show Diff") when editing a page. Is that an option that can be enabled?
+  Using a plugin?

 
 

-Considering ikiwiki plugins, one idea I have is to make the [[PreProcessorDirective]]s be a plugin. A setting in the config file would enable various plusins, which are perl modules, that each provide one or more preprocessor directives. 
+* For PlaceWiki I want to be able to do some custom plugins, including one
+  that links together subpages about the same place created by different
+  users. This seems to call for a plugin that applies to every page w/o any
+  specific marker being used, and pre-or-post-processes the full page
+  content. It also needs to update pages when related pages are added,
+  so it needs to register dependencies pre-emptively between pages,
+  or something. It's possible that this is a special case of backlinks and
+  is best implemented by making backlinks a plugin somehow. --[[Joey]]

 
 

-Since preprocessing happens before htmlization but after a page is loaded and linkified, it should be possible to use it to create something like a link map or lists, or a page index. Page inlining and rss generation is already done via preprocessor directives and seems a natureal as a plugin too. 
+* random page (cgi plugin; how to link to it easily?)

 
 

-Note that things like a link map or a broken link list page would need to
-be updated whenever a set (or all) pages change; the %depends hash
-already allows for pages to register this, although there could be some
-strange behavior if mixing multiple directives some of which exclude pages
-that others might want to include.
+* How about an event calendar. Events could be sub-pages with an embedded 
+  code to detail recurrance and/or event date/time

 
 

-I need to look at the full range of things that other wikis use their plugin systems for, but preprocessor directives as plugins certianly seems useful, even if it's  not a complete solution.
+* rcs plugin ([[JeremyReed]] has one he has been using for over a month with over 850 web commits with 13 users with over ten commits each.)

 
 

-## case study: Moin Moin plugins
+* asciidoc or txt2tags format plugins

 
 

-See <http://moinmoin.wikiwikiweb.de/MoinDev/PluginConcept>
+  Should be quite easy to write, the otl plugin is a good example of a
+  similar formatter.

 
 

-6 different types of plugins:
+>>Isn't there a conflict between ikiwiki using \[\[  \]\] and asciidoc using the same?
+>>There is a start of an asciidoc plugin at <http://www.mail-archive.com/asciidoc-discuss@metaperl.com/msg00120.html>
+>>-- KarlMW

 
 

-* *actions* are possibly out of scope for ikiwiki, this is probably what it uses for cgi script type stuff. Unless ikiwiki wants to allow pluggable CGI script stuff, it doesn't need these.
-* *parsers* and *formatters* are basically what I've been calling [[PluggableRenderers]]. MoinMoin separates these, so that a page is parsed to (presumbly) some intermediate form before being output as html or some other form. That's a nice separation, but what to do about things like markdown that are both a parser and a formatter?
-* *macros* and *processors* are analagous to preprocessor directives. A processor can operate on a large block of text though.
-* *themes* should be irrellevant (ikiwiki has [[templates]]).
+* manpage plugin: convert **"ls(1)"** style content into Markdown like **\[ls(1)\]\(http://example.org/man.cgi?name=ls&sect=1\)** or into HTML directly.
+
+> With a full installation of groff available, man offers HTML output.  Might
+> take some fiddling to make it fit into the ikiwiki templates, and you might
+> or might not want to convert pages in the SEE ALSO as
+> well. --[[JoshTriplett]]
+
+* As I couldn't find another place to ask, I'll try here. I would like to install some contributed plugins, but can not find anywhere to downlod them.
+
+  > Not sure what you mean, the [[plugins/contrib]] page lists contributed plugins, and each of their pages tells where to download the plugin from.. --[[Joey]]
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