-/*!
- * JavaScript for Special:Preferences
- */
-( function ( mw, $ ) {
- $( function () {
- var $preftoc, $preferences, $fieldsets, labelFunc, previousTab,
- $tzSelect, $tzTextbox, $localtimeHolder, servertime, allowCloseWindow,
- convertmessagebox = require( 'mediawiki.notification.convertmessagebox' );
-
- 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
- $preferences.addClass( 'jsprefs' );
- $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 per default to reduce interface clutter. Also make sure it becomes visible
- // when selected. Similar to jquery.mw-jump
- $( '<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' );
- }
- }
-
- // Check for successbox to replace with notifications
- convertmessagebox();
-
- // 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();
- }
- }
- }
-
- // In browsers that support the onhashchange event we will not bind click
- // handlers and instead let the browser do the default behavior (clicking the
- // <a href="#.."> will naturally set the hash, handled by onhashchange.
- // But other things that change the hash will also be caught (e.g. using
- // the Back and Forward browser navigation).
- // Note the special check for IE "compatibility" mode.
- if ( 'onhashchange' in window &&
- ( document.documentMode === undefined || document.documentMode >= 8 )
- ) {
- $( 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' );
- // In older browsers we'll bind a click handler as fallback.
- // We must not have onhashchange *and* the click handlers, otherwise
- // the click handler calls switchPrefTab() which sets the hash value,
- // which triggers onhashchange and calls switchPrefTab() again.
- } else {
- $preftoc.on( 'click', 'li a', function ( e ) {
- switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) );
- e.preventDefault();
- } );
- // If we've reloaded the page or followed an open-in-new-window,
- // make the selected tab visible.
- detectHash();
- }
-
- // Timezone functions.
- // Guesses Timezone from browser and updates fields onchange.
-
- $tzSelect = $( '#mw-input-wptimecorrection' );
- $tzTextbox = $( '#mw-input-wptimecorrection-other' );
- $localtimeHolder = $( '#wpLocalTime' );
- servertime = parseInt( $( 'input[name="wpServerTime"]' ).val(), 10 );
-
- function minutesToHours( min ) {
- var tzHour = Math.floor( Math.abs( min ) / 60 ),
- tzMin = Math.abs( min ) % 60,
- tzString = ( ( min >= 0 ) ? '' : '-' ) + ( ( tzHour < 10 ) ? '0' : '' ) + tzHour +
- ':' + ( ( tzMin < 10 ) ? '0' : '' ) + tzMin;
- return tzString;
- }
-
- function hoursToMinutes( hour ) {
- var minutes,
- arr = hour.split( ':' );
-
- arr[ 0 ] = parseInt( arr[ 0 ], 10 );
-
- if ( arr.length === 1 ) {
- // Specification is of the form [-]XX
- minutes = arr[ 0 ] * 60;
- } else {
- // Specification is of the form [-]XX:XX
- minutes = Math.abs( arr[ 0 ] ) * 60 + parseInt( arr[ 1 ], 10 );
- if ( arr[ 0 ] < 0 ) {
- minutes *= -1;
- }
- }
- // Gracefully handle non-numbers.
- if ( isNaN( minutes ) ) {
- return 0;
- } else {
- return minutes;
- }
- }
-
- function updateTimezoneSelection() {
- var minuteDiff, localTime,
- type = $tzSelect.val();
-
- if ( type === 'other' ) {
- // User specified time zone manually in <input>
- // Grab data from the textbox, parse it.
- minuteDiff = hoursToMinutes( $tzTextbox.val() );
- } else {
- // Time zone not manually specified by user
- if ( type === 'guess' ) {
- // Get browser timezone & fill it in
- minuteDiff = -( new Date().getTimezoneOffset() );
- $tzTextbox.val( minutesToHours( minuteDiff ) );
- $tzSelect.val( 'other' );
- $tzTextbox.prop( 'disabled', false );
- } else {
- // Grab data from the $tzSelect value
- minuteDiff = parseInt( type.split( '|' )[ 1 ], 10 ) || 0;
- $tzTextbox.val( minutesToHours( minuteDiff ) );
- }
-
- // Set defaultValue prop on the generated box so we don't trigger the
- // unsaved preferences check
- $tzTextbox.prop( 'defaultValue', $tzTextbox.val() );
- }
-
- // Determine local time from server time and minutes difference, for display.
- localTime = servertime + minuteDiff;
-
- // Bring time within the [0,1440) range.
- localTime = ( ( localTime % 1440 ) + 1440 ) % 1440;
-
- $localtimeHolder.text( mw.language.convertNumber( minutesToHours( localTime ) ) );
- }
-
- if ( $tzSelect.length && $tzTextbox.length ) {
- $tzSelect.change( updateTimezoneSelection );
- $tzTextbox.blur( updateTimezoneSelection );
- updateTimezoneSelection();
- }
-
- // 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 );
- } );
-
- // Check if all of the form values are unchanged
- function isPrefsChanged() {
- var inputs = $( '#mw-prefs-form :input[name]' ),
- input, $input, inputType,
- index, optIndex,
- opt;
-
- for ( index = 0; index < inputs.length; index++ ) {
- input = inputs[ index ];
- $input = $( input );
-
- // Different types of inputs have different methods for accessing defaults
- if ( $input.is( 'select' ) ) {
- // <select> has the property defaultSelected for each option
- for ( optIndex = 0; optIndex < input.options.length; optIndex++ ) {
- opt = input.options[ optIndex ];
- if ( opt.selected !== opt.defaultSelected ) {
- return true;
- }
- }
- } else if ( $input.is( 'input' ) ) { // <input> has defaultValue or defaultChecked
- inputType = input.type;
- if ( inputType === 'radio' || inputType === 'checkbox' ) {
- if ( input.checked !== input.defaultChecked ) {
- return true;
- }
- } else if ( input.value !== input.defaultValue ) {
- return true;
- }
- }
- }
-
- return false;
- }
-
- // Disable the button to save preferences unless preferences have changed
- // Check if preferences have been changed before JS has finished loading
- if ( !isPrefsChanged() ) {
- $( '#prefcontrol' ).prop( 'disabled', true );
- $( '#preferences > fieldset' ).one( 'change keydown mousedown', function () {
- $( '#prefcontrol' ).prop( 'disabled', false );
- } );
- }
-
- // Set up a message to notify users if they try to leave the page without
- // saving.
- allowCloseWindow = mw.confirmCloseWindow( {
- test: isPrefsChanged,
- message: mw.msg( 'prefswarning-warning', mw.msg( 'saveprefs' ) ),
- namespace: 'prefswarning'
- } );
- $( '#mw-prefs-form' ).submit( $.proxy( allowCloseWindow, 'release' ) );
- $( '#mw-prefs-restoreprefs' ).click( $.proxy( allowCloseWindow, 'release' ) );
- } );
-}( mediaWiki, jQuery ) );