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Extension:CategoryTree

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This extension comes with MediaWiki 1.31 and above. Thus you do not have to download it again. However, you still need to follow the other instructions provided.
Manual de extensiones de MediaWiki
CategoryTree
Estado de lanzamiento: estable
Implementación Etiqueta , Función del analizador , Página especial
Descripción Provides a dynamic view of the wiki's category structure as a tree.
Autor(es) Daniel Kinzler (Duesentriebdiscusión)
Última versión actualizaciones continuas
Política de compatibilidad Lanzamientos de screenshots junto con MediaWiki. Master no es compatible con versiones anteriores.
MediaWiki 1.25+
Licencia GNU Licencia Pública general 2.0 o posterior
Descarga
Descargar la extensión.
Git [?]:

README
Parámetros
  • $wgCategoryTreeAllowTag
  • $wgCategoryTreeCategoryPageOptions
  • $wgCategoryTreePageCategoryOptions
  • $wgCategoryTreeMaxDepth
  • $wgCategoryTreeSidebarOptions
  • $wgCategoryTreeDefaultOptions
  • $wgCategoryTreeMaxChildren
  • $wgCategoryTreeSpecialPageOptions
  • $wgCategoryTreeOmitNamespace
  • $wgCategoryTreeSidebarRoot
  • $wgCategoryTreeDisableCache
  • $wgCategoryTreeCategoryPageMode
  • $wgCategoryTreeDefaultMode
  • $wgCategoryTreeUseCategoryTable
  • $wgCategoryTreeHijackPageCategories
Hooks que usa
Descargas trimestrales 298 (Ranked 13th)
Wikis públicos que lo utilizan 10,554 (Ranked 11th)
Traduce la extensión CategoryTree si está disponible en translatewiki.net
Asuntos Tareas abiertas · Reportar un bug

The CategoryTree extension provides a dynamic view of the wiki's category structure as a tree. It uses AJAX to load parts of the tree on demand. CategoryTree was originally written by Daniel Kinzler as an external tool, but was later integrated into the MediaWiki software with the help of Tim Starling.

Instalación

  • Descarga y extrae los archivos en un directorio denominado «CategoryTree» dentro de la carpeta extensions/.
    Developers and code contributors should install the extension from Git instead, using:cd extensions/
    git clone https://gerrit.wikimedia.org/r/mediawiki/extensions/CategoryTree
  • Añade el siguiente código en la parte final de tu archivo LocalSettings.php : 
    wfLoadExtension( 'CategoryTree' );
  • Yes Hecho – Navega a Special:Version en el wiki para verificar que la extensión se haya instalado correctamente.

Uso

CategoryTree can be used in three ways:

  • directly on the category pages,
  • as a "custom tag" (or "parser function") to show a category structure in-line on a wiki page,
  • and as a special page.

The CategoryTree extension adds ► "expand" widgets to the subcategories listed on category pages.

The <categorytree> tag

Example. The result can be seen in the box below and on the right:

<categorytree mode="pages">Manual</categorytree>

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The custom tag is called <categorytree>. For example, if you put <categorytree>Foo</categorytree> on a wiki page, it will show the contents of category Foo as a dynamic tree on that page (see example to the right). The tag accepts the following attributes, using a HTML-like syntax:

mode
determines which pages are shown in the tree. This may be overridden by the use of the namespaces option. Possible values:
categories
show subcategories only (configuration constant 0)
pages
show subcategories and pages, except images (configuration constant 10), limited to 200 pages
all
show all pages, subcategories, images, etc. (configuration constant 20)
parents
list parent categories instead of subcategories (configuration constant 100). This puts CategoryTree into "inverse" operation (supported since r36892, July 2008).
depth
determines how many levels of the tree are shown initially. Default is 1. 0 means only the root node. The maximum value depends on the mode specified, and on the $wgCategoryTreeMaxDepth option. (Introduced between r20410 and r20840, Mar 30 2007; fully functional even with $wgCategoryTreeDynamicTag since r36864, July 2008.)
onlyroot
set this to "on" to only show the "root" node of the tree initially. Equivalent to depth="0". (Introduced in r20385, March 13 2007.) Deprecated as of r36864, July 2008: use depth="0" instead.
hideroot
set this to "on" to hide the "root" node of the tree, i.e. hideroot=on. For example, it will not display the category name Foo.
hideprefix
determines when the namespace prefix should be hidden from entries in the tree (since r36864, July 2008). Possible values are:
always
always hide the prefix. Should be used only if all pages come from the same namespace (configuration constant 10).
never
never hide the namespace prefix, not even for categories (configuration constant 0).
auto
hide the namespace of categories if only categories are shown, as with mode="categories" (configuration constant 30). This is equivalent to the old default behavior (before Jun 2008).
categories
always hide the namespace of categories, but show all other prefixes (configuration constant 20). This is the new default behavior (since r36864, July 2008).
showcount
set this to "on" to show the number of entries in subcategories, i.e. showcount="on" (since r36864, July 2008). This is disabled per default for category trees inlined on pages, but enabled per default in category listings and on Special:CategoryTree.
notranslations
set this to "on" to hide all translations pages corresponding to the pages pertaining to the category, i.e. notranslations="on" (since Gerrit change 526234, November 2019). This is disabled by default. If this option is set to "on", instead of the different translations (e.g. Page, Page/en, Page/fr, Page/de) only the standard translation "Page" is displayed and all translations are suppressed.
This doesn't affect "showcount", so still a bug.
namespaces
a list of namespaces from which pages should be shown in the tree (since r36864, July 2008). The entries in the list must be namespace names, separated by spaces. The main namespace can be represented by "-" or "0". Subcategories will be shown only if Category namespace is present on the list.
class, style, id, etc
The ‎<categorytree> tag supports all standard HTML attributes for block elements (since r36864, July 2008; before that, only style was supported).

Notes on the 'namespaces' parameter

Category is a namespace. Categories are shown in all modes by default, but specifying the namespaces parameter hides them just like any other namespace not present on the list. If you want to list pages in a given namespace, including pages in subcategories, simply add Category to the namespace list.

Ejemplo:

  • Listing main namespace pages in Category:Manual:
Manual
Age classification (Germany)
API
GDPR (General Data Protection Regulation) and MediaWiki software
README
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<categorytree mode="pages" namespaces="Main">Manual</categorytree>
  • Listing main namespace pages and subcategories in Category:Manual:
Manual
Authentication and login
Customization techniques
Data exchange with other systems
Entry point URLs
Extensions
Installation
Localisation
MediaWiki administration
MediaWiki components
MediaWiki concepts
MediaWiki configuration
MediaWiki technical documentation
Parser manuals
Personalization
Sitemap
Tools
Tutorials
User interface
User Manual
Wiki markup
Age classification (Germany)
API
GDPR (General Data Protection Regulation) and MediaWiki software
README
Wikimedia technical search
<categorytree mode="pages" namespaces="Main Category">Manual</categorytree>

The mode parameter is overridden by namespaces:

  • if only Category namespace is asked, it's equivalent to mode=categories;
  • if file namespace is present on the list, it will imply mode=all;
  • otherwise mode=pages will be used. It means that if the site configuration hasn't been changed, the following are equivalent (the first two are always equivalent, the third only if $wgCategoryTreeDefaultMode is the default CategoryTreeMode::CATEGORIES):
<categorytree mode="categories">Manual</categorytree>
<categorytree namespaces="Category">Manual</categorytree>
<categorytree>Manual</categorytree>

The {{#categorytree}} parser function

Since r25825 (Sep 13, 2007), you can also use parser function syntax to place a category tree on a page. This works just like the <categorytree> tag, using a different syntax, e.g. {{#categorytree:Foo}}; options can be specified using the syntax for named template parameters, e.g. {{#categorytree:Foo|hideroot|mode=pages}}.

Using the parser function syntax has the advantage that it allows you to use magic words, templates and template parameters when specifying the category to show. Some examples:

  • Using a magic variable to show this page's category tree (may be useful on category description pages): {{#categorytree:{{PAGENAME}}}}.
  • Using a template to specify the category: {{#categorytree:{{root category}}}} - the name of the root category would be defined by the contents of Template:Root_category.
  • Using a template parameter to specify the category, when using CategoryTree inside a template: {{#categorytree:{{{1}}}}} in Template:Baz can be called using {{Baz|Foo}}.

The Special:CategoryTree page

The special page is called Special:CategoryTree; there you can enter the name of a category and then browse its content.

Configuración

There are some options you can specify in your LocalSettings.php file.

You can no longer use CT_* constants in LocalSettings.php. Instead use 0 for category mode, 10 for pages, 20 for all, 100 for parents.
$wgCategoryTreeMaxChildren
maximum number of children shown in a tree node. Default is 200.
$wgCategoryTreeAllowTag
enable <categorytree> tag. Default is true.
$wgCategoryTreeDynamicTag
loads the first level of the tree in a <categorytree> dynamically. This way, the cache does not need to be disabled. Default is false.
$wgCategoryTreeDisableCache
disables the parser cache for pages with a <categorytree> tag, or provides max cache time in seconds. Default is 21600 which is 6 hours.
$wgCategoryTreeUseCache
enable HTTP cache for anon users. Default is false.
$wgCategoryTreeOmitNamespace
do not show the namespace name for pages and categories. Default is false, namespaces are shown unless showing categories only. Deprecated as of r36864, July 2008: use $wgCategoryTreeDefaultOptions['hideprefix'] instead.
$wgCategoryTreeMaxDepth
an array defining the maximum depth for each mode, to which the tree may be expanded initially using the depth parameter in a <category> tag. By default, this is set to 2 for the "categories" mode, and 1 for other modes. To set it to 3 for categories and 2 for other modes, for example, you can use $wgCategoryTreeMaxDepth = [10 => 2, 20 => 2, 0 => 3, 100 => 2];.
$wgCategoryTreeDefaultMode
the default mode to use when no mode attribute is specified in a <categorytree> tag. May be 0 (the default - categories), 10 (pages), or 20 (all).
$wgCategoryTreeCategoryPageMode
the mode to use when rendering trees on category pages. Deprecated as of r36864, July 2008: use $wgCategoryTreeCategoryPageOptions['mode'] instead.
$wgCategoryTreeSidebarRoot
root category to use for integrating the category tree in the sidebar (since r36920, July 2008). If not set, no tree is integrated (this is the default). Integrating a CategoryTree into the sidebar only works with skins based upon SkinTemplate, that is, Modern, Monobook, Chick, Simple, and MySkin, but not Standard, Nostalgia or CologneBlue. This is currently broken for MediaWiki 1.35.1 and the vector skin, see phab:278306.
$wgCategoryTreeDefaultOptions
default options to apply, as an array (since r36864, July 2008). The available options are described above. Example: $wgCategoryTreeDefaultOptions['mode'] = 'pages';.
$wgCategoryTreeCategoryPageOptions
options to use on category pages, as an array (since r36864, July 2008).
$wgCategoryTreeSpecialPageOptions
options to use on Special:CategoryTree, as an array (since r36864, July 2008).
$wgCategoryTreeSidebarOptions
options to use when showing the tree in the sidebar, as an array (since r36920, July 2008)

Mensajes de sistema

categorytree-member-num

By default, when listing subcategories on a category page, each subcategory is followed by an integer, indicating how many subcategories lie beneath it, how many pages it contains, and how many files are in the category (if applicable):

My category name (5 C, 2 P, 1 F)

You can change this behavior by overriding the system message MediaWiki:Categorytree-member-num. It takes five parameters:

Parámetro Significado
$1 Number of subcategories
$2 Number of articles (not including category pages or file pages)
$3 Number of uploaded files
$4 Total number of member pages, including category pages and file pages
$5 Something close to ($1 C, $2 P, $3 F) but with anything that is 0 omitted.

More precisely, a comma separated list of the number of pages (mediawiki:categorytree-num-pages), subcategories (mediawiki:categorytree-num-categories), and files (mediawiki:categorytree-num-files) in the category, or empty (mediawiki:categorytree-num-empty) in the case the category has no members. In versions prior to those around 1.19 this value was different. See older version of these docs.

The default value is ($5).

Tip: Use the ParserFunctions extension to provide if/then/else logic to display different parts conditionally. For example: 

{{#ifeq:$1|0||$1 categories}}

A configuration to manage commas and spaces when outputting all info:

Abbreviation version: 

({{#ifeq:$4|0|empty|{{#ifeq:$1|0||$1 C{{#ifeq:{{#expr:$3+$2}}|0||,}}}} {{#ifeq:$2|0||$2 P{{#ifeq:$3|0||,}}}} {{#ifeq:$3|0||$3 F}}}})

Full name version: 

({{#ifeq:$4|0|empty|{{#ifeq:$1|0||$1 categories{{#ifeq:{{#expr:$3+$2}}|0||,}}}} {{#ifeq:$2|0||$2 pages{{#ifeq:$3|0||,}}}} {{#ifeq:$3|0||$3 files}}}})

Solución de problemas

Wiki is broken after installing CategoryTree

  • Turn on error reporting
  • Make sure you have all files installed
  • Make sure all of the CategoryTree extension files have mode 644, and the CategoryTree directory has mode 755.

Options in LocalSettings.php have no effect

  • Make sure you specify the options after including the extension.

Clicking the ► has no effect, gives a JavaScript error or just sits on loading

  • Note that using the <categorytree> tag in system messages (MediaWiki namespace) may not work as expected - this is a known caveat. For a workaround, see Using CategoryTree in the Sidebar below.
  • Make sure you have $wgUseAjax = true; in your LocalSettings.php before including the extension.
  • If you are using rewrite rules or aliasing (e.g. to have "very short URLs" - i.e. wiki pages in the document root or perhaps redirecting to a www-version of the requested URL), make sure you have an exception in place for the /extensions directory, just like you would for the /skins directory. Also see below.

Clicking the ► shows no sub-categories error

  • Try to fix this by adding this code to LocalSettings.php: $wgCategoryTreeDefaultOptions['namespaces'] = [ 0, NS_CATEGORY, NS_FILE ];

Browser reports a bad MIME type for CategoryTree.js and/or CategoryTree.css

  • Make sure your web server uses the correct MIME types for .js and .css files
  • Enter the URLs directly into the browser and see if it is serving the pages at all, and not some error page; especially:
  • If you are using rewrite rules or aliasing (e.g. to have "very short URLs" - i.e. wiki pages in the document root), make sure you have an exception in place for the /extensions directory, just like you would for the /skins directory.

Member counts are wrong, grey arrows ► are shown instead of ►

Since MediaWiki 1.13, CategoryTree can show the number of members of a category, and can show a grey arrow ► for tree nodes that do not have any children based on that number. This information is based on the new category table. However, populating that table with the current values does not always work when upgrading to 1.13. In that case, run the populateCategory.php maintenance script, if necessary with the --force option.

► ► ▼ toggles shown only on the first level of the category tree view

In case you get only one level depth while visualing the tree, try to set in modules/ext.categoryTree.styles.css file display: none; to display: inline !important;.

The JavaScript intended to switch the tag style is somehow buggy.

Note to bot users

Bots and scripts that parse the HTML of category pages can use the notree URL parameter to force the traditional output. However, HTML output is generally not stable, so it is recommended to change your script to use the API to fetch category listings and similar.

"Category Not Found" message

After you implement the CategoryTree plugin and add the code to show the tree, if you see a message that says Category Not Found, you need to add some content in your category pages. The category pages can't be red pages, basically. Click your category names, add some text in the category page, and then your tree should work fine.

Make sure the right version of this extension is installed, relative to the version of MediaWiki you have installed. In particular, versions of this extension made for versions of MediaWiki prior to 1.17 are not compatible with MediaWiki 1.17 and greater, and will cause issues where all the paging links on category pages are broken.

No pages are shown when using the "namespaces" parameter

See above.

Hacks

Using CategoryTree in system messages and custom skins

In older versions of CategoryTree, you have to modify the code to make this work: find the efCategoryTreeParserOutput function in the file CategoryTree.php, and remove the condition; i.e. it should then look like this: 

function efCategoryTreeParserOutput( &$outputPage, &$parserOutput )  {
    CategoryTree::setHeaders( $outputPage );
    return true;
}

Using CategoryTree in the Sidebar

Using JavaScript

Since r36920 (July 2008) with MediaWiki 1.13 (r36917), you can integrate a CategoryTree in the sidebar simply by setting $wgCategoryTreeSidebarRoot to the category you want to use as a root. This only works with skins based upon SkinTemplate however, that is, Modern, Monobook, Chick, Simple, and MySkin, but not Standard, Nostalgia or CologneBlue.

If you want the CategoryTree on a different position in the sidebar, you can reference it on MediaWiki:Sidebar as "categorytree-portlet".

For earlier versions of CategoryTree and/or MediaWiki, you'll need to install a mod to MonoBook.php to enable normal wikitext in the sidebar, see Wikitext in side bar --DJ 19:26, 24 January 2008 (UTC)

To append a link "CategoryTree" to your toolbox (sidebar ) add following code to the JavaScript page (e.g. monobook.js) of your skin and customize the URL "w:Special:CategoryTree". 

function AppendCategoryTreeToSidebar() {
    try {
        var node = document.getElementById( "p-tb" )
                           .getElementsByTagName('div')[0]
                           .getElementsByTagName('ul')[0];
 
        var aNode = document.createElement( 'a' );
        var liNode = document.createElement( 'li' );
 
        aNode.appendChild( document.createTextNode( 'CategoryTree' ) );
        aNode.setAttribute( 'href' , '[[w:Special:CategoryTree]]' );
        liNode.appendChild( aNode );
        liNode.className = 'plainlinks';
        node.appendChild( liNode );
    } catch(e) {
        // lets just ignore what's happened
        return;
    }
}
 
addOnloadHook( AppendCategoryTreeToSidebar );

A more generic version of this code can be found at Manual:Interface/Sidebar#content of sidebar and toolbox (javascript) .

Step by step if works easy: 

$wgCategoryTreeSidebarRoot = 'Category:article_name';

Using MediaWiki: namespace pages

If you want to create a link that goes to the generic categorytree (displayed as Category tree) when you're on a non-category page, and to a particular categorytree (displayed as View as category tree, with foo being the name of the category you're viewing) when you're on a category page:

  • Add to your MediaWiki:Sidebar (right above the SEARCH is a good place) a line, ** sidebarcategorytree-url|sidebarcategorytree
  • Create a [[MediaWiki:Sidebarcategorytree]] with, say: {{#ifeq: {{NAMESPACE}}|Category|View as category tree|Category tree}}
  • Create a [[MediaWiki:Sidebarcategorytree-url]] with, say: {{#ifeq: {{NAMESPACE}}|Category|Special:CategoryTree/{{BASEPAGENAME}}|Special:CategoryTree/Categories}}

See also


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