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Templates

Question

How can I pass some parameters to the pages I (:include:), like it's done in Wikipedia?

Answer

The templates.phpΔ script is a PmWiki plugin, which provides new (:template:) markup. This markup extends standard (:include:) markup, by allowing to pass parameters to included pages. Those parameters can be then referenced by additional markup, looking like this: {{{parameter-name}}}.

Description

This recipe extends the standard behaviour of the (:include:) markup. It does so by adding new markup -- (:template:) -- which is like the previous one, but it allows to pass some parameters. A simple example may be:

 
Some books I like:

(:template Templates.BookCard title='The Holy Bible' note='important':)
(:template Templates.BookCard title='The Lord of the Rings' note='fantasy':)

Then, in the template, you can reference those parameters using the markup of {{{parameter-name|default value}}}. For example, your Templates.BookCard page might look like:

 
* {{{title}}} ''(note: {{{note|---}}})''

And then, the first page after saving would look like:

Installation

This script is installed in the standard way:

1. download the file templates.phpΔ and save it in your cookbook directory,
2. activate the plugin by adding the line below to your 'local/config.php' file:
   include_once( 'cookbook/templates.php' );

Notes

• This recipe was last tested on PmWiki version: 2.1.11
• This recipe was first tested on PmWiki version: 2.1.11
• This recipe requires at least PmWiki version: ???

• Internally, the recipe uses also two directives: (:set-parameters:) and (:unset-parameters:), so those two names should not be redefined.
• I'm not sure if it's good that I posted this recipe. That's because I suppose it's possible that used a lot, this recipe might make a site run considerably slower. I think that the classic way -- creating Markup() entries -- is the better one (the faster one). But then, this way is certainly the easier one -- as much more can be done on-wiki, without the need to work with the code.

Known Issues and Notes

• You must not use double quotes in parameters -- that is, (:template Foo param1="some thing":) will not work properly; you must use single quotes, (:template Foo param1='some thing':) instead.
  • Seems there are a bit more issues with quotes and slashes, because of so-called "PHP slashes magic". The solution seems to be to use the PSS() function in the recipe; I'll try to solve that when I have some more time. (~Mateusz)

See Also

• PageListExtensions - similar ability for pagelist templates

More Wikipedia

• see Category.WikipediaSuite

Contributors

• Mateusz - if you are having issues with the recipe, when emailing the mailing list please send me a copy of your email (I'm not actively reading the list).

Release Notes

If the recipe has multiple releases, then release notes can be placed here. Note that it's often easier for people to work with "release dates" instead of "version numbers".

• 2006-06-24 (version 1.0) - initial version.

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