MediaWiki:JQuery-makeCollapsible.js
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// Documentation/Examples: [[mw:RL/DM#jQuery.makeCollapsible]]
/* http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/resources/jquery/jquery.makeCollapsible.js?view=markup&pathrev=83309 */
/**
* jQuery makeCollapsible
*
* This will enable collapsible-functionality on all passed elements.
* Will prevent binding twice to the same element.
* Initial state is expanded by default, this can be overriden by adding class
* "mw-collapsed" to the "mw-collapsible" element.
* Elements made collapsible have class "mw-made-collapsible".
* Except for tables and lists, the inner content is wrapped in "mw-collapsible-content".
*
* @author Krinkle <krinklemail@gmail.com>
*
* Dual license:
* @license CC-BY 3.0 <http://creativecommons.org/licenses/by/3.0>
* @license GPL2 <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
*/
( function( $, mw ) {
$.fn.makeCollapsible = function() {
return this.each(function() {
mw.config.set( 'mw.log.prefix', 'jquery.makeCollapsible' );
// Define reused variables and functions
var $that = $(this).addClass( 'mw-collapsible' ), // case: $( '#myAJAXelement' ).makeCollapsible()
that = this,
collapsetext = $(this).attr( 'data-collapsetext' ),
expandtext = $(this).attr( 'data-expandtext' ),
toggleElement = function( $collapsible, action, $defaultToggle, instantHide ) {
// Validate parameters
if ( !$collapsible.jquery ) { // $collapsible must be an instance of jQuery
return;
}
if ( action != 'expand' && action != 'collapse' ) {
// action must be string with 'expand' or 'collapse'
return;
}
if ( typeof $defaultToggle !== 'undefined' && !($defaultToggle instanceof jQuery) ) {
// is optional (may be undefined), but if passed it must be an instance of jQuery and nothing else
return;
}
var $containers = null;
if ( action == 'collapse' ) {
// Collapse the element
if ( $collapsible.is( 'table' ) ) {
// Hide all table rows of this table
// Slide doens't work with tables, but fade does as of jQuery 1.1.3
// http://stackoverflow.com/questions/467336#920480
$containers = $collapsible.find( '>tbody>tr' );
if ( typeof $defaultToggle !== 'undefined' && ($defaultToggle instanceof jQuery) ) {
// Exclude tablerow containing togglelink
$containers.not( $defaultToggle.closest( 'tr' ) ).stop(true, true).fadeOut();
} else {
if ( instantHide ) {
$containers.hide();
} else {
$containers.stop( true, true ).fadeOut();
}
}
} else if ( $collapsible.is( 'ul' ) || $collapsible.is( 'ol' ) ) {
$containers = $collapsible.find( '> li' );
if ( $defaultToggle && $defaultToggle.jquery ) {
// Exclude list-item containing togglelink
$containers.not( $defaultToggle.parent() ).stop( true, true ).slideUp();
} else {
if ( instantHide ) {
$containers.hide();
} else {
$containers.stop( true, true ).slideUp();
}
}
} else { // <div>, <p> etc.
var $collapsibleContent = $collapsible.find( '> .mw-collapsible-content' );
// If a collapsible-content is defined, collapse it
if ( $collapsibleContent.size() ) {
if ( instantHide ) {
$collapsibleContent.hide();
} else {
$collapsibleContent.slideUp();
}
// Otherwise assume this is a customcollapse with a remote toggle
// .. and there is no collapsible-content because the entire element should be toggled
} else {
if ( $collapsible.is( 'tr' ) || $collapsible.is( 'td' ) || $collapsible.is( 'th' ) ) {
$collapsible.fadeOut();
} else {
$collapsible.slideUp();
}
}
}
} else {
// Expand the element
if ( $collapsible.is( 'table' ) ) {
$containers = $collapsible.find( '>tbody>tr' );
if ( $defaultToggle && $defaultToggle.jquery ) {
// Exclude tablerow containing togglelink
$containers.not( $defaultToggle.parent().parent() ).stop(true, true).fadeIn();
} else {
$containers.stop(true, true).fadeIn();
}
} else if ( $collapsible.is( 'ul' ) || $collapsible.is( 'ol' ) ) {
$containers = $collapsible.find( '> li' );
if ( $defaultToggle && $defaultToggle.jquery ) {
// Exclude list-item containing togglelink
$containers.not( $defaultToggle.parent() ).stop( true, true ).slideDown();
} else {
$containers.stop( true, true ).slideDown();
}
} else { // <div>, <p> etc.
var $collapsibleContent = $collapsible.find( '> .mw-collapsible-content' );
// If a collapsible-content is defined, collapse it
if ( $collapsibleContent.size() ) {
$collapsibleContent.slideDown();
// Otherwise assume this is a customcollapse with a remote toggle
// .. and there is no collapsible-content because the entire element should be toggled
} else {
if ( $collapsible.is( 'tr' ) || $collapsible.is( 'td' ) || $collapsible.is( 'th' ) ) {
$collapsible.fadeIn();
} else {
$collapsible.slideDown();
}
}
}
}
},
// Toggles collapsible and togglelink class and updates text label
toggleLinkDefault = function( that, e ) {
var $that = $(that),
$collapsible = $that.closest( '.mw-collapsible.mw-made-collapsible' ).toggleClass( 'mw-collapsed' );
e.preventDefault();
// It's expanded right now
if ( !$that.hasClass( 'mw-collapsible-toggle-collapsed' ) ) {
// Change link to "Show"
$that.removeClass( 'mw-collapsible-toggle-expanded' ).addClass( 'mw-collapsible-toggle-collapsed' );
if ( $that.find( '> a' ).size() ) {
$that.find( '> a' ).text( expandtext );
} else {
$that.text( expandtext );
}
// Collapse element
toggleElement( $collapsible, 'collapse', $that );
// It's collapsed right now
} else {
// Change link to "Hide"
$that.removeClass( 'mw-collapsible-toggle-collapsed' ).addClass( 'mw-collapsible-toggle-expanded' );
if ( $that.find( '> a' ).size() ) {
$that.find( '> a' ).text( collapsetext );
} else {
$that.text( collapsetext );
}
// Expand element
toggleElement( $collapsible, 'expand', $that );
}
return;
},
// Toggles collapsible and togglelink class
toggleLinkPremade = function( $that, e ) {
var $collapsible = $that.eq(0).closest( '.mw-collapsible.mw-made-collapsible' ).toggleClass( 'mw-collapsed' );
e.preventDefault();
// It's expanded right now
if ( !$that.hasClass( 'mw-collapsible-toggle-collapsed' ) ) {
// Change toggle to collapsed
$that.removeClass( 'mw-collapsible-toggle-expanded' ).addClass( 'mw-collapsible-toggle-collapsed' );
// Collapse element
toggleElement( $collapsible, 'collapse', $that );
// It's collapsed right now
} else {
// Change toggle to expanded
$that.removeClass( 'mw-collapsible-toggle-collapsed' ).addClass( 'mw-collapsible-toggle-expanded' );
// Expand element
toggleElement( $collapsible, 'expand', $that );
}
return;
},
// Toggles customcollapsible
toggleLinkCustom = function( $that, e, $collapsible ) {
// For the initial state call of customtogglers there is no event passed
if (e) {
e.preventDefault();
}
// Get current state and toggle to the opposite
var action = $collapsible.hasClass( 'mw-collapsed' ) ? 'expand' : 'collapse';
$collapsible.toggleClass( 'mw-collapsed' );
toggleElement( $collapsible, action, $that )
};
// Use custom text or default ?
if( !collapsetext || collapsetext === '' ){
collapsetext = mw.msg( 'collapsible-collapse', 'Collapse' );
}
if ( !expandtext || expandtext === '' ){
expandtext = mw.msg( 'collapsible-expand', 'Expand' );
}
// Create toggle link with a space around the brackets ( [text] )
var $toggleLink = $( '<a href="#"></a>' ).text( collapsetext ).wrap( '<span class="mw-collapsible-toggle"></span>' ).parent().prepend( ' [' ).append( '] ' ).bind( 'click.mw-collapse', function(e){
toggleLinkDefault( this, e );
} );
// Return if it has been enabled already.
if ( $that.hasClass( 'mw-made-collapsible' ) ) {
return;
} else {
$that.addClass( 'mw-made-collapsible' );
}
// Check if this element has a custom position for the toggle link
// (ie. outside the container or deeper inside the tree)
// Then: Locate the custom toggle link(s) and bind them
if ( $that.attr( 'id' ).indexOf( 'mw-customcollapsible-' ) === 0 ) {
var thatId = $that.attr( 'id' ),
$customTogglers = $( '.' + thatId.replace( 'mw-customcollapsible', 'mw-customtoggle' ) );
mw.log( 'Found custom collapsible: #' + thatId );
// Double check that there is actually a customtoggle link
if ( $customTogglers.size() ) {
$customTogglers.bind( 'click.mw-collapse', function( e ) {
toggleLinkCustom( $(this), e, $that );
} );
} else {
mw.log( '#' + thatId + ': Missing toggler!' );
}
// Initial state
if ( $that.hasClass( 'mw-collapsed' ) ) {
$that.removeClass( 'mw-collapsed' );
toggleLinkCustom( $customTogglers, null, $that )
}
// If this is not a custom case, do the default:
// Wrap the contents add the toggle link
} else {
// Elements are treated differently
if ( $that.is( 'table' ) ) {
// The toggle-link will be in one the the cells (td or th) of the first row
var $firstRowCells = $( 'tr:first th, tr:first td', that ),
$toggle = $firstRowCells.find( '> .mw-collapsible-toggle' );
// If theres no toggle link, add it to the last cell
if ( !$toggle.size() ) {
$firstRowCells.eq(-1).prepend( $toggleLink );
} else {
$toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
toggleLinkPremade( $toggle, e );
} );
}
} else if ( $that.is( 'ul' ) || $that.is( 'ol' ) ) {
// The toggle-link will be in the first list-item
var $firstItem = $( 'li:first', $that),
$toggle = $firstItem.find( '> .mw-collapsible-toggle' );
// If theres no toggle link, add it
if ( !$toggle.size() ) {
// Make sure the numeral order doesn't get messed up, reset to 1 unless value-attribute is already used
// WebKit return '' if no value, Mozilla returns '-1' is no value
if ( $firstItem.attr( 'value' ) == '' || $firstItem.attr( 'value' ) == '-1' ) { // Will fail with ===
$firstItem.attr( 'value', '1' );
}
$that.prepend( $toggleLink.wrap( '<li class="mw-collapsible-toggle-li"></li>' ).parent() );
} else {
$toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
toggleLinkPremade( $toggle, e );
} );
}
} else { // <div>, <p> etc.
// If a direct child .content-wrapper does not exists, create it
if ( !$that.find( '> .mw-collapsible-content' ).size() ) {
$that.wrapInner( '<div class="mw-collapsible-content"></div>' );
}
// The toggle-link will be the first child of the element
var $toggle = $that.find( '> .mw-collapsible-toggle' );
// If theres no toggle link, add it
if ( !$toggle.size() ) {
$that.prepend( $toggleLink );
} else {
$toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
toggleLinkPremade( $toggle, e );
} );
}
}
}
// Initial state (only for those that are not custom)
if ( $that.hasClass( 'mw-collapsed' ) && $that.attr( 'id' ).indexOf( 'mw-customcollapsible-' ) !== 0 ) {
$that.removeClass( 'mw-collapsed' );
// The collapsible element could have multiple togglers
// To toggle the initial state only click one of them (ie. the first one, eq(0) )
// Else it would go like: hide,show,hide,show for each toggle link.
toggleElement( $that, 'collapse', $toggleLink.eq(0), /* instantHide = */ true );
$toggleLink.eq(0).click();
}
} );
};
} )( jQuery, mediaWiki );
// Remove when deployed
// http://translatewiki.net/wiki/MediaWiki:Collapsible-collapse/en
// http://translatewiki.net/wiki/MediaWiki:Collapsible-expand/en
mw.messages.set({"collapsible-collapse":"Collapse","collapsible-expand":"Expand"});
$(document).ready(function(){
$('.mw-collapsible').makeCollapsible();
});
