Template:Navbox with collapsible groups

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This template is used on approximately 109,000 pages.
To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

This template uses Lua:

Module:Navbox

Template:Template display

This template produces a navigation template that has groups of relevant articles on a certain topic. All groups are hidden by default. However, with a parameter call, an individual group can be shown that has the other articles in the same group.

Usage

Please remove the parameters that are left blank. The template currently supports up to 20 groups/lists but more can be added if needed. You should use a minimum of two groups/lists; otherwise, use {{Navbox}} instead.

{{Navbox with collapsible groups
| name = {{subst:PAGENAME}}
| title = 
| listclass = hlist
| state = {{{state|}}}
| selected = {{{selected|{{{1|}}}}}}

| above = 
| image = 

| abbr1 = 
| group1 = 
| list1 = 

| abbr2 = 
| group2 = 
| list2 = 

<!--[etc, to:]-->

| abbr20 = 
| group20 = 
| list20 = 
}}

Parameters

This template shares many common parameters with its sister templates {{Navbox}} and {{Navbox with columns}}. The common parameters are marked with a cross^†. Please refer to the documentation of {{Navbox}} for more in depth descriptions and examples of those parameters.

Setup parameters

name^†: The name of the template. The name of this template, for example, is "Navbox with collapsible groups".

state^† [uncollapsed, collapsed, plain, off]: The initial state of the show/hide feature for the main title. See {{Navbox}} for more information. Does not affect display or hiding of group items, see state_n, below.

navbar^†: Possible values are plain, off, and the default value of blank. See {{Navbox}} for more information.

border^†: Possible values are child, none, and the default value of blank. Set to child if you wish to use the navbox inside of another navbox; with this option, the child navbox is borderless and fits snuggly inside of its parent navbox. The parent navbox may be the list area of {{Navbox}}, the columns of a {{Navbox with columns}}, or a list area of {{Navbox with collapsible groups}}. See {{Navbox}} for more information and examples.

Basic data parameters

title^†: The title of the template, displayed centered in the titlebar at the top of the template.

above^†: Text or other elements to appear above groups/lists.

image^†: Image to the right of all of the groups/lists.

imageleft^†: Image to the left of all of the groups/lists.

below^†: Text or other elements to appear below the groups/lists.

Group/list parameters

group_n^†: The title of each section.

list_n^†: The content/wikilinks that will be shown in the group. Template:Strikethrough A {{Navbox}} or {{Navbox with columns}} can optionally be used here with its border = child parameter set. If this is done, leave the corresponding group_n blank, as the child navbox will already provide the collapsible feature.

abbr_n: This is the abbreviation of the group. See selected parameter immediately below to see how to use this parameter. This parameter is optional, but recommended.

selected: If the value of selected equals the value of abbr_n, then list_n is uncollapsed and all other lists are collapsed. If selected is left blank, or if it does not match any abbr_n, then all groups are collapsed. Usually this parameter should be set to {{{1|}}}. Since this template is a base template for others, there has to be a way to pass the group parameter from the article, to the secondary template to this one.

The collapsed/uncollapsed options can be listed on the template's page by using the {{Collapsible sections option}} template in the <noinclude> part of the page.

state_n [uncollapsed, collapsed, plain, off]: The initial collapsible state of list_n. Set to collapsed by default. Overridden to uncollapsed if selected equals abbr_n.

image_n: An image to appear in the list_n content area on the right side.

imageleft_n: An image to appear in the list_n content area on the left side.

Style parameters

bodystyle^†: CSS style/s to apply to the entire template

titlestyle^†

CSS style/s to apply to titlebar; usually background:color. The color of wikilink text must be manually changed using span tags. For example use title = [[Scouting|<span style="color:ivory;">Scouting</span>]] to change the color of the link to ivory. The [show]/[hide] button and the vde link button use the color set in the titlestyle parameter. Here is an example of setting the titlestyle:

titlestyle = background:darkgreen;color:ivory;

abovestyle^†
belowstyle^†: CSS style/s to apply to the above and below parameters, respectively.

basestyle^†: CSS style/s to apply to the title, above, below, and group_n parameters, all at the same time.

imagestyle^†: CSS style/s to apply to the image parameter. Does not get applied to the image_n parameters.

imageleftstyle^†: CSS style/s to apply to the imageleft parameter. Does not get applied to the imageleft_n parameters.

groupstyle^†

CSS style/s to apply to all group heading parameters. Visit this website to get a lighter color similar to the title background color. Example:

groupstyle = background:lightgreen;

group_nstyle^†: CSS style/s to apply to a specific group heading; overrides any CSS styles set in groupstyle.

liststyle^†: CSS style/s to apply to all list content parameters.

list_nstyle^†: CSS style/s to apply to specific list content parameters; overrides any CSS styles set in liststyle.

listpadding^†: Padding to have in each list cell; defaults to 0.25em on the left/right and 0em on the top/bottom.

Microformat parameters

bodyclass^†: This parameter is inserted into the "class" attribute for the infobox as a whole.

titleclass^†: This parameter is inserted into the "class" attribute for the infobox's title caption.

See Wikipedia:WikiProject Microformats for more information on adding microformat information to Wikipedia, and microformat for more information on microformats in general.

Examples

Basic example

{{Navbox with collapsible groups
|name = University of Michigan
|state = uncollapsed
|title = [[University of Michigan|<span style="color:#FFD700;">The University of Michigan, Ann Arbor</span>]]
|titlestyle = background:#00008B;color:#FFD700;
|listclass = hlist
|groupstyle = background:#FFD700;color:#00008B;
|image = 
|selected = {{{1|}}}

|group1 = [[University of Michigan#Academic profile|<span style="color:#00008B;">Academics</span>]]
|abbr1 = academics
|list1 =
* [[University of Michigan College of Engineering|College of Engineering]]
* [[University of Michigan College of Literature, Science, and the Arts|College of Literature, Science and the Arts]]
* [[Gerald R. Ford School of Public Policy]]
* [[University of Michigan Law School|Law School]]
* [[University of Michigan Health System|Medical School]]
* [[Ross School of Business]]
* [[University of Michigan School of Education|School of Education]]
* [[University of Michigan School of Information|School of Information]]
* [[University of Michigan School of Music, Theatre & Dance|School of Music, Theatre & Dance]]
* [[University of Michigan School of Natural Resources and Environment|School of Natural Resources and Environment]]
* [[University of Michigan School of Public Health|School of Public Health]]
* [[Taubman College of Architecture and Urban Planning]]

|group2 = [[Michigan Wolverines|<span style="color:#00008B;">Athletics</span>]]
|abbr2 = athletics
|state2 = uncollapsed
|list2 =
* [[Michigan Stadium]]
* [[Crisler Arena]]
* [[Yost Ice Arena]]
* [[Michigan Wolverines]]
* [[Michigan Wolverines football|Football]]
* [[Michigan – Ohio State football rivalry|UM-OSU Rivalry]]
* [[Little Brown Jug (American football)|Little Brown Jug]]
* [[Paul Bunyan Trophy]]
* [[Cold War (ice hockey)|Cold War]]

|group3 = Campus
|abbr3 = campus
|list3 =
* [[Angell Hall Observatory]]
* [[Burton Memorial Tower|Burton Tower]]
* [[The Diag]]
* [[David M. Dennison Building|Dennison Building]]
* [[Gerald R. Ford Presidential Library]]
* [[Hill Auditorium]]
* [[Lurie Tower]]
* [[Matthaei Botanical Gardens]]
* [[Michigan Union]]
* [[Museums at the University of Michigan|Museums]]
* [[Nichols Arboretum]]
* [[University of Michigan Health System|UM Health System]]
* [[University of Michigan Library|University Library]]
}}

Nesting navboxes

To nest a navbox inside a Navbox with collapsible groups, set the list_n parameter to child or subgroup. Elements of the child navbox can be specified by prepending child_n_, subgroup_n_, or just _n_ to the parameter names (e.g. 1_list1). Child navboxes can be nested by adding an additional prefix (e.g. 1_1_list1). The basic code for doing this is as follows (which adds a subgroup for the first group/list area):

{{Navbox with collapsible groups
| name = {{subst:PAGENAME}}
| title = Title

| group1 = Group Title
| list1  = child
  | 1_title = [optional]

  | 1_group1 = [optional]
  | 1_list1  = child
    | 1_1_title = [optional]
    
    | 1_1_group1 = [optional]
    | 1_1_list1  = 
    ...list contents...
  ...
...
}}

{{Navbox with collapsible groups}} or {{Navbox with columns}} can be nested by setting the _n_type parameter to "with collapsible groups" or "with columns".

Relationship with other Navbox templates

This navbox template works in conjunction with two other templates: {{Navbox}} and {{Navbox with columns}}. All three of these templates share common parameters for consistency and ease of use (such parameters are marked with an asterisk (*) in the parameter descriptions list at Template:Navbox/doc). Most importantly, each template can be used as a child of one another. Using the inline notation, the _n_type= parameter can be set to with columns or with collapsible groups to set the type of that child navbox, as shown in the example below. Press the edit button for the section to view the code.

You can also nest these navbox templates by using the |border=child parameter, or by specifying the first unnamed parameter to be child. For example: {{Navbox|child ...}}, {{Navbox with columns|child ...}} or {{Navbox with collapsible groups|child ...}}. Note that this style of nesting can lead to a large increase in the template's post-expand include size.

Technical details

This template is a shortcut for the syntax shown at Template:Sectionlink. It uses Module:Navbox to render the actual navbox.
Navbox templates, including this one, are a major contributor to the post-expand include size of pages, and can cause pages to exceed the limit and not render correctly. There are a few ways to mitigate this.
- {{Navbox with collapsible groups}} can be replaced with {{#invoke:Navbox|with collapsible groups}}, which approximately halves the include size
- Nesting other templates inside of a navbox can cause the include size increase by a factor of two or more. This template currently supports the same in-line child syntax documented at Template:Navbox/doc#Child navboxes, which mitigates this, but only for plain Navboxes, Navboxes with collapsible groups, and Navboxes with columns.