template directive is supplied by the [[!iki plugins/template desc=template]] plugin.
The template directive allows wiki pages to be used as templates.
These templates can be filled out and inserted into other pages in the
wiki using the directive. The [[templates]] page lists templates
that can be used with this directive.
The directive has an
that identifies the template to use. The remaining parameters are used to
fill out the template.
\[[!template id=note text="""Here is the text to insert into my note."""]]
This fills out the
note template, filling in the
text field with
the specified value, and inserts the result into the page.
Using a template
Generally, a value can include any markup that would be allowed in the wiki
page outside the template. Triple-quoting the value even allows quotes to
be included in it. Combined with multi-line quoted values, this allows for
large chunks of marked up text to be embedded into a template:
\[[!template id=foo name="Sally" color="green" age=8 notes="""
* \[[Charley]]'s sister.
* "I want to be an astronaut when I grow up."
* Really 8 and a half.
Creating a template
The template is a regular wiki page, located in the
subdirectory inside the source directory of the wiki.
(Alternatively, templates can be stored in a directory outside the wiki,
as files with the extension ".tmpl".
By default, these are searched for in
templatedir setting can be used to make another directory be searched
The template uses the syntax used by the [[!cpan HTML::Template]] perl
module, which allows for some fairly complex things to be done. Consult its
documentation for the full syntax, but all you really need to know are a
- Each parameter you pass to the template directive will generate a
template variable. There are also some pre-defined variables like PAGE
- To insert the value of a variable, use
<TMPL_VAR variable>. Wiki markup
in the value will first be converted to html.
- To insert the raw value of a variable, with wiki markup not yet converted
to html, use
- To make a block of text conditional on a variable being set use
- To use one block of text if a variable is set and a second if it's not,
<TMPL_IF variable>text<TMPL_ELSE>other text</TMPL_IF>
Here's a sample template:
Name: \[[<TMPL_VAR raw_name>]]<br />
Age: <TMPL_VAR age><br />
Favorite color: <TMPL_VAR color><br />
No favorite color.<br />
The filled out template will be formatted the same as the rest of the page
that contains it, so you can include WikiLinks and all other forms of wiki
markup in the template. Note though that such WikiLinks will not show up as
backlinks to the page that uses the template.
Note the use of "raw_name" inside the [[ikiwiki/WikiLink]] generator in the
example above. This ensures that if the name contains something that might
be mistaken for wiki markup, it's not converted to html before being
processed as a [[ikiwiki/WikiLink]].
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