X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/2c05a34be17c805d929f0ad563acf857eba1d46b..33f479526e0afe70f92ca954ee1085705a8c5743:/doc/plugins/parentlinks.mdwn?ds=sidebyside diff --git a/doc/plugins/parentlinks.mdwn b/doc/plugins/parentlinks.mdwn index ff4139390..c2d364bef 100644 --- a/doc/plugins/parentlinks.mdwn +++ b/doc/plugins/parentlinks.mdwn @@ -1,124 +1,5 @@ [[!template id=plugin name=parentlinks core=1 author="[[intrigeri]]"]] -[[!tag type/link]] +[[!tag type/link type/chrome]] -This plugin offers a `HTML::Template` loop that iterates over all or -a subset of a page's parents. It also provides a few bonus -possibilities, such as styling the parent links depending on their -place in the path. - -[[!toc ]] - -Content -======= - -This plugin provides one template loop, called `PARENTLINKS`, that -returns the list of parent pages for the current page. Every returned -path element has the following variables set: - -* `URL` (string): url to the current path element -* `PAGE` (string): title of the current path element -* `DEPTH` (positive integer): depth of the path leading to the - current path element, counting from the wiki's root, which has - `DEPTH=0` -* `HEIGHT` (positive integer): distance, expressed in path elements, - from the current page to the current path element; e.g. this is - 1 for the current page's mother, 2 for its grand-mother, etc. -* `DEPTH_n` (boolean): true if, and only if, `DEPTH==n` -* `HEIGHT_n` (boolean): true if, and only if, `HEIGHT==n` - -Usage -===== - -The `DEPTH_n` and `HEIGHT_n` variables allow the template writer to -skip arbitrary elements in the parents list: they are arbitrary -page-range selectors. - -The `DEPTH` and `HEIGHT` variables allow the template writer to apply -general treatment, depending on one of these variables, to *every* -parent: they are counters. - -Basic usage ------------ - -As in the default `page.tmpl`, one can simply display the list of -parent pages: - - - / - - - - -Styling parents depending on their depth ----------------------------------------- - -Say you want the parent links to be styled depending on their depth in -the path going from the wiki root to the current page; just add the -following lines in `page.tmpl`: - - - " class="depth"> - - / - - -Then write the appropriate CSS bits for `a.depth1`, etc. - -Skip some parents, style the others depending on their distance to the current page ------------------------------------------------------------------------------------ - -Say you want to display all the parents links but the wiki homepage, -styled depending on their distance to the current page; just add the -following lines in `page.tmpl`: - - - - - " class="height"> - - / - - -Then write the appropriate CSS bits for `a.height1`, etc. - -Full-blown example ------------------- - -Let's have a look at a more complicated example; combining the boolean -loop variables provided by this plugin (`IS_ROOT` and friends) and -`HTML::Template` flow control structures, you can have custom HTML -and/or CSS generated for some special path components; e.g.: - - -
- -
- - - - -
- "> -
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- "> -
- - - - - - - +This plugin generates the links to a page's parents that typically appear +at the top of a wiki page.