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| -rw-r--r-- | doc/todo/conditional_text_based_on_ikiwiki_features.mdwn | 45 |
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diff --git a/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn b/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn index 444f1c2d5..05c655b89 100644 --- a/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn +++ b/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn @@ -55,3 +55,48 @@ for the condition itself. > \[[if test="enabled(smiley)" """foo"""]] > > --[[Joey]] + +>> [[PageSpec]] syntax seems perfect, and your proposed syntax for the `if` +>> [[PreprocessorDirective]] looks fine to me. +>> +>> [[PageSpec]]s don't give you `none` for free, since `!foo/*` as a boolean +>> would mean "does any page not matching `foo/*` exist", not "does `foo/*` +>> match nothing"; however, I don't really care much about `none`, since I +>> just threw it in while brainstorming, and I don't know any compelling use +>> cases for it. +>> +>> `enabled(pluginname)` will work perfectly, and `!enabled(pluginname)` +>> makes `disabled` unnecessary. +>> +>> A few use cases for `included`, which I would really like to see: +>> +>> * On the sidebar page, you could say something like \[[if test="!included" +>> """This page, without this help message, appears as a sidebar on all +>> pages."""]]. The help text would then only appear on the sidebar page +>> itself, not the sidebar included on all pages. +>> +>> * On [[blog]] entries, you could use `included` to implement a cut. +>> (Please don't take that as an argument against. :) ) For instance, you +>> could use included rather than [[plugins/toggle]] for the detailed +>> changelogs of ikiwiki, or to embed an image as a link in the feed rather +>> than an embedded image. +>> +>> Some use cases for `thispage`: +>> +>> * You could use `thispage` to include or exclude parts of the sidebar based +>> on the page you include it in. You can already use subpages/sidebar for +>> subpages/*, but `thispage` seems more flexible, makes it trivial to have +>> common portions rather than using [[plugins/inline]] with the `raw` +>> option, and keeps the sidebar in one place. +>> +>> * You could use `thispage` to implement multiple different feeds for the +>> same content with slightly different presentation. For instance, using +>> templates for image inclusion, you could offer a feed with image links +>> and a feed with embedded images. Similarly, using templates for cuts, you +>> could offer a feed with cuts and a feed with full content in every post. +>> +>> I don't have any particular attachment to `sourcepage`. It only makes +>> sense as part of a template, since otherwise you know the source page when +>> typing in the if. +>> +>> --[[JoshTriplett]] |