Template:Namespace detect

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This is the {{namespace detect}} meta-template. It helps other templates detect what type of page they are on.

It detects and groups all the different namespaces used on Wikisource into several types:

main = Main/article space, where normal Wikisource articles are kept.

talk = Any talk space, including page names that start with "Talk:", "User talk:", "File talk:" and so on.

user, wikisource, file, mediawiki, template, help, category, portal and author = Other namespaces except the talk pages.

other = Any namespaces that were not specified as a parameter to the template. See explanation below.

For backwards compatibility this template also understands image for file. Image is now deprecated.

Note: For most cases it may be better to use the simpler namespace detection templates (see the see also section below). This template is more prone to human errors such as misspelling parameter names.

Usage

This template takes one or more parameters named after the different page types as listed above. Like this:

{{namespace detect
| main  = Article text
| talk  = Talk page text
| other = Other pages text
}}

If the template is on a main (article) page, it will return this:

Article text

If the template is on any other page than an article or a talk page it will return this:

Other pages text

The example above made the template return something for all page types. But if we don't use the other parameter or leave it empty then it will not return anything for the other page types. Like this:

{{namespace detect
| file     = File page text
| category = Category page text
| other    =
}}

On any pages other than file and category pages the code above will render nothing.

By using an empty parameter you can make it so the template doesn't render anything for some specific page type. Like this:

{{namespace detect
| main  = 
| other = Other pages text
}}

The code above will render nothing when on mainspace (article) pages, but will return this when on other pages:

Other pages text

Demospace and demopage

For testing and demonstration purposes this template can take two parameters named demospace and demopage.

Demospace understands any of the page type names used by this template, including the other type. It tells the template to behave like it is on some specific type of page. Like this:

{{namespace detect
| main  = Article text
| other = Other pages text
| demospace = main
}}

No matter on what kind of page the code above is used it will return this:

Article text

The demopage parameter instead takes a normal pagename. It makes this template behave exactly as if on that page. The pagename doesn't have to be an existing page. Like this:

{{namespace detect
| user  = User page text
| other = Other pages text
| demopage = User:Example
}}

No matter on what kind of page the code above is used it will return this:

User page text

It can be convenient to let your template understand the demospace and/or demopage parameter and send it on to the {{namespace detect}} template. Then do like this:

{{namespace detect
| main  = Article text
| other = Other pages text
| demospace = {{{demospace|}}}
| demopage  = {{{demopage|}}}
}}

If both the demospace and demopage parameters are empty or undefined then the template will detect page types as usual.

Parameters

List of all parameters:

{{namespace detect
| main  = 
...
| other =
| demospace = {{{demospace|}}} / main / talk / user /
              wikisource / file / mediawiki / template /
              help / category / portal / author / other
| demopage  = {{{demopage|}}} / User:Example
}}

Note: Empty values to the "main" ... "author" parameters have special meaning.

Wikisource localisation

This template originated on the Wikipedia sister project, which lacks a Page: namespace. As part of the localisation of the template, the original "page" parameter has been replaced with "demopage" parameter. Therefore, simply reapplying uses of this template, including other imported templates, that work on the sister project may not function properly on Wikisource.

Technical details

Namespace "Image" was renamed to "File" on 11 December 2008. This template was updated to understand both names well before that, thus it still works fine. For backwards compatibility it still understands "image" both as a parameter name, such as "image = File page text", and as a value "demospace = image".

Namespace "Book" was added to the English Wikipedia on 28 December 2009. This template has been updated so it detects the "Book:" namespace as type book, and it already automatically detected "Book talk:" as type talk.

If you intend to feed tables as content to the numbered parameters of this template, then you need to know this:

Templates do have a problem to handle parameter data that contains pipes "|", unless the pipe is inside another template {{name|param1}} or inside a piped link [[w:Help:Template|help]]. Thus templates can not handle wikitables as input unless you escape them by using the {{!}} template. This makes it hard to use wikitables as parameters to templates. Instead the usual solution is to use "HTML wikimarkup" for the table code, which is more robust.

For more technical details such as about "copying to other projects" and "CSS based namespace detection" see {{main talk other}} and its talk page.

See also

• {{Main other}}: for content that varies betwen mainspace and all other namespaces
• {{Page other}}: for content that varies between the Page: namespace and all other namespaces
• {{Page index other}}: for content that varies between the Page: namespace, Index: namespace, and all other namespaces

• {{Talkspace detect}}: for content that varies when on a talk namespace, or varies between different talk namespaces

• {{Namespace link}}: for links that vary between namespaces
• {{Double link}}: for links in the Page: namespace that vary when in the Page: or mainspace
• {{Scan page link}}: for auto-offset page links in the Page: namespace, that vary when in Page: Index: or mainspace
• {{TOC link}}: for table of contents page links in the Page: namesapce, that vary when in Page: Index: or mainspace

• Wikipedia's w:Template:namespace detect see also

The above documentation is transcluded from Template:Namespace detect/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.