X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/f55320a0b9a116b9f1fcd3932c704c695ba269fb..bf056a7ef4d76f30eb78a7adb4cea576d5969eea:/doc/plugins/contrib/trail.mdwn?ds=sidebyside diff --git a/doc/plugins/contrib/trail.mdwn b/doc/plugins/contrib/trail.mdwn index def91d85a..bfd4d3d0b 100644 --- a/doc/plugins/contrib/trail.mdwn +++ b/doc/plugins/contrib/trail.mdwn @@ -1,95 +1,133 @@ -[[!tag type/chrome patch]] -[[!template id=gitbranch branch=smcv/trail author="[[smcv]]"]] +[[!tag patch]] +[[!template id=gitbranch branch=smcv/trail3 author="[[smcv]]"]] -Available from [[smcv]]'s git repository, in the `trail` branch. This -plugin aims to solve [[todo/wikitrails]] in a simpler way. +Available from [[smcv]]'s git repository, in the `trail3` branch. This +plugin aims to solve [[todo/wikitrails]] in a simpler way; it can also be +used for [[navigation through blog posts|todo/Pagination_next_prev_links]]. -Updated, June 2011: +If you don't want to use a branch of ikiwiki, manual installation requires +these files (use the "raw" link in gitweb to download): -* removed `inline` integration for now +* [trail.pm](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/IkiWiki/Plugin/trail.pm) + in an `IkiWiki/Plugin` subdirectory of your configured `plugindir` +* [page.tmpl](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/templates/page.tmpl) + and + [trails.tmpl](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/templates/trails.tmpl) + in your configured `templatedir`, or a `templates` subdirectory of your wiki repository +* the trail-related bits from the end of the + [stylesheet](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/doc/style.css) + (put them in your local.css) +* the trail-related bits at the end of the + [actiontabs](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/themes/actiontabs/style.css) + or [blueview/goldtype](http://git.pseudorandom.co.uk/smcv/ikiwiki.git/blob/trail3:/themes/blueview/style.css) + stylesheets, if you use one of those themes (again, put them in your local.css) -* added `` tags +The branch also includes [[todo/test_coverage]] machinery. -* switched from a custom data structure to using typed links +Demo: ----- +* [in use on entries in my blog](http://smcv.pseudorandom.co.uk/) +* [a demo trail based on links](http://demo.hosted.pseudorandom.co.uk/trail/) +* [a demo hybrid trail/inline](http://demo.hosted.pseudorandom.co.uk/trail2/) -[[!template id=plugin name=trail author="[[Simon_McVittie|smcv]]"]] +The page `e` is in both demo trails, to demonstrate how a page in more than +one trail looks. -It's sometimes useful to have "trails" of pages in a wiki, as a guided -tour, sequence of chapters etc. In this plugin, a trail is represented -by a page, and the pages in the trail are indicated by specially marked -links within that page. +The `smcv/trail2` branch is an older version of `trail3` which used typed links +as its data structure, resulting in timing-related limitations (it couldn't +select pages for the trail by using pagespecs, because pagespecs can't be +evaluated correctly until the scan stage has finished). -If using the default `page.tmpl`, each page automatically displays the -trails that it's a member of (if any), with links to the trail and to -the next and previous members. HTML `` tags with the `prev`, -`next` and `up` relations are also generated. +Updated, November 2011: -The `traillink` [[ikiwiki/directive]] is used to record which pages -are in a trail, and simultaneously link to them. Alternatively, the -[[ikiwiki/directive/trailitem]] directive can be used to make an -invisible `traillink`. +* reinstated `inline` integration ([[report]] integration would probably be + pretty easy too, if this gets merged) +* switched from typed links back to a custom data structure to avoid + chicken/egg problems with ordering +* create typed links too, as a side-effect, but not when using an inline +* regression test with nearly full coverage +* CSS for the default anti-theme and all built-in themes (it looks nicest + in the default anti-theme and in actiontabs - the demo uses actiontabs) -## Directives +Known bugs: -(These will go to the appropriate pages in [[ikiwiki/directive]] if this -plugin is included in ikiwiki.) +* the blueview and goldtype CSS nearly work, but the alignment is a bit off -### trailitem +---- -The `trailitem` directive is supplied by the [[!iki plugins/contrib/trail desc=trail]] -plugin. It is used like this: +[[!template id=plugin name=trail author="[[Simon_McVittie|smcv]]"]] +[[!tag type/chrome]] - \[[!trailitem some_other_page]] +This plugin provides the [[ikiwiki/directive/trailoptions]], +[[ikiwiki/directive/traillink]], [[ikiwiki/directive/trailitem]], +[[ikiwiki/directive/trailitems]] +and [[ikiwiki/directive/trailinline]] [[directives|ikiwiki/directive]]. -to add `some_other_page` to the trail represented by this page, without -generating a visible hyperlink. +It's sometimes useful to have "trails" of pages in a wiki where each +page links to the next and/or previous page. For instance, you could use +this for a guided tour, sequence of chapters, or sequence of blog posts. -### traillink +In this plugin, a trail is represented by a page, and the pages in the +trail are indicated by specially marked links within that page, or by +including groups of pages with a [[ikiwiki/directive]]. -The `traillink` directive is supplied by the [[!iki plugins/contrib/trail desc=trail]] -plugin. It generates a visible [[ikiwiki/WikiLink]], and also adds the linked page to -the trail represented by the page containing the directive. +If using the default `page.tmpl`, each page automatically displays the +trails that it's a member of (if any), with links to the trail and to +the next and previous members. HTML `` tags with the `prev`, +`next` and `up` relations are also generated. -In its simplest form, the first parameter is like the content of a WikiLink: +The [[ikiwiki/directive/trailoptions]] directive sets options for the +entire trail. - \[[!traillink some_other_page]] +Pages can be included in a trail in various ways: -The displayed text can also be overridden, either with a `|` symbol or with -a `text` parameter: +* The [[ikiwiki/directive/trailinline]] directive sets up an [[inline]], + and at the same time adds the matching pages (from `pages` or `pagenames`) + to the trail. One use is to navigate through all posts in a blog: - \[[!traillink Click_here_to_start_the_trail|some_other_page]] - \[[!traillink some_other_page text="Click here to start the trail"]] + \[[!trailinline pages="page(./posts/*) and !*/Discussion" archive=yes + feedshow=10 quick=yes]] -### trailoptions + This directive only works if the [[!iki plugins/inline desc=inline]] + plugin is also enabled. -The `trailoptions` directive is supplied by the [[!iki plugins/contrib/trail desc=trail]] -plugin. It sets options for the trail represented by this page. Example usage: +* The [[ikiwiki/directive/trailitems]] directive has optional `pages` and + `pagenames` options which behave the same as in [[inline]], but don't + produce any output in the page, so you can have trails that don't list + all their pages. - \[[!trailoptions sort="meta(title)" circular="no"]] +* The [[ikiwiki/directive/traillink]] directive makes a visible link + and also adds the linked page to the trail. This will typically be + used in a bullet list, but could also be in paragraph text: -The available options are: + * [[!traillink Introduction]] + * [[!traillink "Chapter 1"]] + * [[!traillink Chapter_2]] + * [[!traillink Appendix_A]] -* `sort`: sets a [[ikiwiki/pagespec/sorting]] order; if not specified, the - items of the trail are ordered according to the first link to each item - found on the trail page + or -* `circular`: if set to `yes` or `1`, the trail is made into a loop by - making the last page's "next" link point to the first page, and the first - page's "previous" link point to the last page + To use this software you must \[[!traillink install]] it, + \[[!traillink configuration text="configure it"]], + and finally \[[!traillink running|run_it]]. ----- + This also counts as a [[ikiwiki/WikiLink]] for things like the `link()` + [[ikiwiki/PageSpec]] item. -## Future directions +* The [[ikiwiki/directive/trailitem]] directive adds a page to the trail + like `traillink`, but produces an invisible link, rather like `\[[!tag]]`: -The current version of this plugin doesn't implement inline-based or -otherwise [[ikiwiki/PageSpec]]-based trails. This is difficult because -there's a circular dependency: + To use this software you must \[[!traillink install]] it, + \[[!trailitem installing_from_packages]] + \[[!trailitem installing_from_source]] + \[[!traillink configuration text="configure it"]], + and finally \[[!traillink running|run_it]]. + \[[!trailitem troubleshooting]] -* adding typed links should happen *before* scanning has finished, to - guarantee that they're available before the first page is rendered + Like `\[[!tag]]`, this still counts as a [[ikiwiki/WikiLink]] even though + there's no visible link. -* evaluating pagespecs should only happen *after* scanning has finished, - to guarantee that everything you might want to base a pagespec on - (`meta`, etc.) has been gathered by scanning +You can mix several of these directives in one page. The resulting +trail will contain all of the pages matched by any of the directives, +in the same order that the directives appear (unless you use the `sort` or +`reverse` options on `\[[!trailoptions]]`).