+++ /dev/null
-/*!
- * JavaScript for Special:Preferences: Tab navigation.
- */
-( function () {
- $( function () {
- var $preftoc, $preferences, $fieldsets, labelFunc, previousTab;
-
- labelFunc = function () {
- return this.id.replace( /^mw-prefsection/g, 'preftab' );
- };
-
- $preftoc = $( '#preftoc' );
- $preferences = $( '#preferences' );
-
- $fieldsets = $preferences.children( 'fieldset' )
- .attr( {
- role: 'tabpanel',
- 'aria-labelledby': labelFunc
- } );
- $fieldsets.not( '#mw-prefsection-personal' )
- .hide()
- .attr( 'aria-hidden', 'true' );
-
- // T115692: The following is kept for backwards compatibility with older skins
- $fieldsets.addClass( 'prefsection' );
- $fieldsets.children( 'legend' ).addClass( 'mainLegend' );
-
- // Make sure the accessibility tip is selectable so that screen reader users take notice,
- // but hide it by default to reduce visual clutter.
- // Make sure it becomes visible when focused.
- $( '<div>' ).addClass( 'mw-navigation-hint' )
- .text( mw.msg( 'prefs-tabs-navigation-hint' ) )
- .attr( 'tabIndex', 0 )
- .on( 'focus blur', function ( e ) {
- if ( e.type === 'blur' || e.type === 'focusout' ) {
- $( this ).css( 'height', '0' );
- } else {
- $( this ).css( 'height', 'auto' );
- }
- } ).insertBefore( $preftoc );
-
- /**
- * It uses document.getElementById for security reasons (HTML injections in $()).
- *
- * @ignore
- * @param {string} name the name of a tab without the prefix ("mw-prefsection-")
- * @param {string} [mode] A hash will be set according to the current
- * open section. Set mode 'noHash' to surpress this.
- */
- function switchPrefTab( name, mode ) {
- var $tab, scrollTop;
- // Handle hash manually to prevent jumping,
- // therefore save and restore scrollTop to prevent jumping.
- scrollTop = $( window ).scrollTop();
- if ( mode !== 'noHash' ) {
- location.hash = '#mw-prefsection-' + name;
- }
- $( window ).scrollTop( scrollTop );
-
- $preftoc.find( 'li' ).removeClass( 'selected' )
- .find( 'a' ).attr( {
- tabIndex: -1,
- 'aria-selected': 'false'
- } );
-
- $tab = $( document.getElementById( 'preftab-' + name ) );
- if ( $tab.length ) {
- $tab.attr( {
- tabIndex: 0,
- 'aria-selected': 'true'
- } ).focus()
- .parent().addClass( 'selected' );
-
- $preferences.children( 'fieldset' ).hide().attr( 'aria-hidden', 'true' );
- $( document.getElementById( 'mw-prefsection-' + name ) ).show().attr( 'aria-hidden', 'false' );
- }
- }
-
- // Enable keyboard users to use left and right keys to switch tabs
- $preftoc.on( 'keydown', function ( event ) {
- var keyLeft = 37,
- keyRight = 39,
- $el;
-
- if ( event.keyCode === keyLeft ) {
- $el = $( '#preftoc li.selected' ).prev().find( 'a' );
- } else if ( event.keyCode === keyRight ) {
- $el = $( '#preftoc li.selected' ).next().find( 'a' );
- } else {
- return;
- }
- if ( $el.length > 0 ) {
- switchPrefTab( $el.attr( 'href' ).replace( '#mw-prefsection-', '' ) );
- }
- } );
-
- // Jump to correct section as indicated by the hash.
- // This function is called onload and onhashchange.
- function detectHash() {
- var hash = location.hash,
- matchedElement, parentSection;
- if ( hash.match( /^#mw-prefsection-[\w]+$/ ) ) {
- mw.storage.session.remove( 'mwpreferences-prevTab' );
- switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
- } else if ( hash.match( /^#mw-[\w-]+$/ ) ) {
- matchedElement = document.getElementById( hash.slice( 1 ) );
- parentSection = $( matchedElement ).parent().closest( '[id^="mw-prefsection-"]' );
- if ( parentSection.length ) {
- mw.storage.session.remove( 'mwpreferences-prevTab' );
- // Switch to proper tab and scroll to selected item.
- switchPrefTab( parentSection.attr( 'id' ).replace( 'mw-prefsection-', '' ), 'noHash' );
- matchedElement.scrollIntoView();
- }
- }
- }
-
- $( window ).on( 'hashchange', function () {
- var hash = location.hash;
- if ( hash.match( /^#mw-[\w-]+/ ) ) {
- detectHash();
- } else if ( hash === '' ) {
- switchPrefTab( 'personal', 'noHash' );
- }
- } )
- // Run the function immediately to select the proper tab on startup.
- .trigger( 'hashchange' );
-
- // Restore the active tab after saving the preferences
- previousTab = mw.storage.session.get( 'mwpreferences-prevTab' );
- if ( previousTab ) {
- switchPrefTab( previousTab, 'noHash' );
- // Deleting the key, the tab states should be reset until we press Save
- mw.storage.session.remove( 'mwpreferences-prevTab' );
- }
-
- $( '#mw-prefs-form' ).on( 'submit', function () {
- var value = $( $preftoc ).find( 'li.selected a' ).attr( 'id' ).replace( 'preftab-', '' );
- mw.storage.session.set( 'mwpreferences-prevTab', value );
- } );
-
- } );
-}() );