Manual:Collapsible elements

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jQuery.makeCollapsible[edit | edit source]

See also jQuery.makeCollapsible documentation for more information about how it works.

This module is in MediaWiki core by default as of MediaWiki 1.18 and higher. Add the class "mw-collapsible" to any element (div, table, list, anything) to trigger it.

For previous versions of MediaWiki, there are a few alternatives referenced below:

  • Collapsible tables: Add a simple class to make a table collapsible
  • NavFrame: A small element framework to set up a collapsible structure around any arbitrary content

Example[edit | edit source]

<div class="toccolours mw-collapsible" style="width:400px">
This text is collapsible. {{Lorem}}
</div>

Result:

This text is collapsible. 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. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

To set the initial state as collapsed add "mw-collapsed", such as seen in the following table:

{| class="mw-collapsible mw-collapsed wikitable"
! The header || remains visible
|-
| This  content || is hidden
|-
| at first || load time
|}
The Header remains visible
This content is hidden
at first load time

You can specify which part is the collapsible content.

<div class="toccolours mw-collapsible mw-collapsed" style="width:800px">
This text is not collapsible; but the next is collapsible and hidden by default:
<div class="mw-collapsible-content">{{Lorem}}</div>
</div>

Result:

This text is not collapsible; but the next is collapsible and hidden by default:

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. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

You can also use collapsible elements into infoboxes, such as seen in the example on the right.

My infobox with collapsible info
Title Sample
Lorem Ipsum
More info
Number Letter
1 A
2 B
3 C

Source[edit | edit source]

This module ships with MediaWiki by default. You don't need to copy it to a wiki. The source (if you're interested) is in the repository for mediawiki-core (resources/src/jquery/jquery.makeCollapsible.js and resources/src/jquery/jquery.makeCollapsible.css).

NavFrame[edit | edit source]

MediaWiki version: 1.18
Wikipedia-logo.png Wikipedia: See Help:Collapsing on Wikipedia


Example[edit | edit source]

<div class="NavFrame">
<div class="NavHead">'''Title 1'''</div>
<div class="NavContent">
Hello world.
</div>
</div>


<div class="NavFrame">
<div class="NavHead">'''Title 2'''</div>
<div class="NavContent" style="display: none;">
Hello world.
</div>
</div>

Result:


Source[edit | edit source]

Copy and paste the following text into your wiki's MediaWiki:Common.js and MediaWiki:Common.css

JavaScript[edit | edit source]

/**
 * Dynamic Navigation Bars. See [[Wikipedia:NavFrame]]
 * 
 * Based on script from en.wikipedia.org, 2008-09-15.
 *
 * @source www.mediawiki.org/wiki/MediaWiki:Gadget-NavFrame.js
 * @maintainer Helder.wiki, 2012–2013
 * @maintainer Krinkle, 2013
 */
( function () {
 
// Set up the words in your language
var collapseCaption = 'hide';
var expandCaption = 'show';
 
var navigationBarHide = '[' + collapseCaption + ']';
var navigationBarShow = '[' + expandCaption + ']';
 
/**
 * Shows and hides content and picture (if available) of navigation bars.
 *
 * @param {number} indexNavigationBar The index of navigation bar to be toggled
 * @param {jQuery.Event} e Event object
 */
function toggleNavigationBar( indexNavigationBar, e ) {
	var navChild,
		navToggle = document.getElementById( 'NavToggle' + indexNavigationBar ),
		navFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
 
	// Prevent browser from jumping to href "#"
	e.preventDefault();
 
	if ( !navFrame || !navToggle ) {
		return false;
	}
 
	// If shown now
	if ( navToggle.firstChild.data == navigationBarHide ) {
		for ( navChild = navFrame.firstChild; navChild != null; navChild = navChild.nextSibling ) {
			if ( hasClass( navChild, 'NavPic' ) ) {
				navChild.style.display = 'none';
			}
			if ( hasClass( navChild, 'NavContent' ) ) {
				navChild.style.display = 'none';
			}
		}
		navToggle.firstChild.data = navigationBarShow;
 
	// If hidden now
	} else if ( navToggle.firstChild.data == navigationBarShow ) {
		for ( navChild = navFrame.firstChild; navChild != null; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
				navChild.style.display = 'block';
			}
		}
		navToggle.firstChild.data = navigationBarHide;
	}
}
 
/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	var i, j, navFrame, navToggle, navToggleText, navChild,
		indexNavigationBar = 0,
		navFrames = $content.find( 'div.NavFrame' ).toArray();
 
	// Iterate over all (new) nav frames
	for ( i = 0; i < navFrames.length; i++ ) {
		navFrame = navFrames[i];
		// If found a navigation bar
		indexNavigationBar++;
		navToggle = document.createElement( 'a' );
		navToggle.className = 'NavToggle';
		navToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		navToggle.setAttribute( 'href', '#' );
		$( navToggle ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );
 
		navToggleText = document.createTextNode( navigationBarHide );
		for ( navChild = navFrame.firstChild; navChild != null; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
				if ( navChild.style.display == 'none' ) {
					navToggleText = document.createTextNode( navigationBarShow );
					break;
				}
			}
		}
 
		navToggle.appendChild( navToggleText );
		// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
		for ( j = 0; j < navFrame.childNodes.length; j++ ) {
			if ( $( navFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
				navFrame.childNodes[j].appendChild( navToggle );
			}
		}
		navFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
	}
}
 
mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );
 
}());

CSS[edit | edit source]

/* Standard Navigationsleisten, aka box hiding thingy
   from .de.  Documentation at [[Wikipedia:NavFrame]]. */
div.NavFrame {
    margin: 0;
    padding: 4px;
    border: 1px solid #aaa;
    text-align: center;
    border-collapse: collapse;
    font-size: 95%;
}
div.NavFrame + div.NavFrame {
    border-top-style: none;
    border-top-style: hidden;
}
div.NavPic {
    background-color: #fff;
    margin: 0;
    padding: 2px;
    /* @noflip */
    float: left;
}
div.NavFrame div.NavHead {
    height: 1.6em;
    font-weight: bold;
    background-color: #ccf;
    position: relative;
}
div.NavFrame p,
div.NavFrame div.NavContent,
div.NavFrame div.NavContent p {
    font-size: 100%;
}
div.NavEnd {
    margin: 0;
    padding: 0;
    line-height: 1px;
    clear: both;
}
a.NavToggle {
    position: absolute;
    top: 0;
    /* @noflip */
    right: 3px;
    font-weight: normal;
    font-size: 90%;
}

Collapsible tables[edit | edit source]

MediaWiki version: 1.18

Example[edit | edit source]

{| class="wikitable collapsible collapsed"
|-
! This is the header cell, which is always shown
|-
| This cell is not shown by default.
|}

Result:

Source[edit | edit source]

Copy and paste the following text into your wiki's MediaWiki:Common.js (or, if you have Gadgets extension installed, create a gadget for it).

/**
 * Collapsible tables
 *
 * @version 2.0.2 (2014-03-14)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core.
 */
/*global $, mw */
var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
 
function collapseTable( tableIndex ) {
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
	if ( !Table || !Button ) {
		return false;
	}
 
	var Rows = Table.rows;
	var i;
 
	if ( Button.firstChild.data === collapseCaption ) {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}
 
function createClickHandler( tableIndex ) {
	return function ( e ) {
		e.preventDefault();
		collapseTable( tableIndex );
	};
}
 
function createCollapseButtons() {
	var tableIndex = 0;
	var NavigationBoxes = {};
	var Tables = document.getElementsByTagName( 'table' );
	var i;
 
	for ( i = 0; i < Tables.length; i++ ) {
		if ( $( Tables[i] ).hasClass( 'collapsible' ) ) {
			/* only add button and increment count if there is a header row to work with */
			var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
			if ( !HeaderRow ) {
				continue;
			}
			var Header = HeaderRow.getElementsByTagName( 'th' )[0];
			if ( !Header ) {
				continue;
			}
 
			NavigationBoxes[tableIndex] = Tables[i];
			Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
			var Button = document.createElement( 'span' );
			var ButtonLink = document.createElement( 'a' );
			var ButtonText = document.createTextNode( collapseCaption );
 			// TODO: Declare styles in [[MediaWiki:Gadget-collapsibleTables.css]]
			// Button.className = 'collapseButton';
			Button.style.styleFloat = 'right';
			Button.style.cssFloat = 'right';
			Button.style.fontWeight = 'normal';
			Button.style.textAlign = 'right';
			Button.style.width = '6em';
 
			ButtonLink.style.color = Header.style.color;
			ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
			ButtonLink.setAttribute( 'href', '#' );
			$( ButtonLink ).on( 'click', createClickHandler( tableIndex ) );
			ButtonLink.appendChild( ButtonText );
 
			Button.appendChild( document.createTextNode( '[' ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( ']' ) );
 
			Header.insertBefore( Button, Header.firstChild );
			tableIndex++;
		}
	}
 
	for ( i = 0; i < tableIndex; i++ ) {
		if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) ||
			( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) )
		) {
			collapseTable( i );
		}
	}
}
 
mw.hook( 'wikipage.content' ).add( createCollapseButtons );