Template:Hidden/doc

This is a documentation subpage for Template:Hidden.
It contains usage information, categories and other content that is not part of the original template page.

This template is used on approximately 110,000 pages.
To avoid large-scale disruption and unnecessary server load, any changes to it should first be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can then be added to this page in a single edit. Please consider discussing changes on the talk page before implementing them.

This template creates a dynamic navigation box using style sheet declarations in MediaWiki:Common.css and Javascript code in MediaWiki:Common.js. In a saved, rendered page this template creates a clickable link that toggles between [show] and [hide]. It displays the first parameter (the heading) with a [show] link on the right. If [show] is clicked by the user, it displays the second parameter (the body) below the heading and the [show] link becomes [hide]. Clicking on [hide] then hides the body and the [hide] link becomes [show] again.

The template does not provide a parameter to designate whether the link starts at a show or hide state. If this template is nested in another, the show/hide links in the hidden content keep their state; there is no parameter for collapse all or reveal all.

Do not use this template to hide content in articles. This violates the WP:Manual of Style § Scrolling lists and collapsible content and WP:Accessibility guidelines. This template is intended for use in pages in namespaces other than the article namespace.

Usage

Full syntax

{{Hidden
| expanded=true  <!--(omit for initial hidden state)-->
| style = 
| headerstyle = 
| header = 
| contentstyle = 
| content =

|fw1= |fw2= |bg1= |bg2= |ta1= |ta2=
}}

Parameters

Only two parameters are required for this template:

header: text for header (title); alternative to using unnamed parameter {{{1}}}
content: text for body (content); alternative to using unnamed parameter {{{2}}}

Optional

style: CSS styling for template overall.
headerstyle: CSS styling for title (header).
contentstyle: CSS styling for the hidden content.
expanded: any nonblank value (e.g. |expanded=on) will cause the template to be initially expanded by default.
multiline: any nonblank value (e.g. |multline=y) will reduce the line-height of the title and add some padding to avoid overlap with the show/hide button.

Note: This template will not respect the user preference "justify paragraphs".

Examples

Basic

In this example only the two required parameters are specified.

Code	{{hidden\|Title text here\|Body text line 1<br/>Body text line 2}}
Result	Title text here Body text line 1 Body text line 2

Header background

Code	{{hidden \|Title text here \|Body text line 1<br/>Body text line 2 \|headerstyle=background:#ccccff \|style=text-align:center; }}
Result	Title text here Body text line 1 Body text line 2

CSS

Code

{{hidden
| style = border:1px dashed red; width: 50%;
| headerstyle = background: #ccccff; font-size: 110%;
| contentstyle = text-align: center; color:green;
| header = Title text here
| content = Body text line 1<br />Body text line 2<br />Body text line 3
}}

Result

Title text here

Body text line 1
Body text line 2
Body text line 3

Issues

Show/hide button overlap

With ta1=right or a long header, the header may overlap the show/hide button:

"{{Template:Hidden|Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.|def}}" gives "

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

def

" [1]

Possible workaround is to use |multiline=y:

"{{hidden|multiline=y|Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.|def}}" gives "

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

def

"

Example with long header

abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc

def

Above example with workaround:

"{{hidden|multiline=y|abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc |def}}" gives "

abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc

def

"

Sections

Sections included inside a hidden block result in broken anchors in the table of contents at the top of the page.

example

You can't get here from the table of contents

Tracking category

Category:Hidden templates using styles (0) – tracks usage of parameters bg1, bg2, ta1, ta2, fw1, fw2