/** * JavaScript for Special:Preferences */ jQuery( function ( $ ) { var $preftoc, $preferences, $fieldsets, $legends, hash, $tzSelect, $tzTextbox, $localtimeHolder, servertime; $( '#prefsubmit' ).attr( 'id', 'prefcontrol' ); $preftoc = $(''); $preferences = $( '#preferences' ) .addClass( 'jsprefs' ) .before( $preftoc ); $fieldsets = $preferences.children( 'fieldset' ) .hide() .addClass( 'prefsection' ); $legends = $fieldsets .children( 'legend' ) .addClass( 'mainLegend' ); /** * It uses document.getElementById for security reasons (HTML injections in $()). * * @param String name: the name of a tab without the prefix ("mw-prefsection-") * @param String mode: [optional] 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' ) { window.location.hash = '#mw-prefsection-' + name; } $( window ).scrollTop( scrollTop ); $preftoc.find( 'li' ).removeClass( 'selected' ); $tab = $( document.getElementById( 'preftab-' + name ) ); if ( $tab.length ) { $tab.parent().addClass( 'selected' ); $preferences.children( 'fieldset' ).hide(); $( document.getElementById( 'mw-prefsection-' + name ) ).show(); } } // Populate the prefToc $legends.each( function ( i, legend ) { var $legend = $(legend), ident, $li, $a; if ( i === 0 ) { $legend.parent().show(); } ident = $legend.parent().attr( 'id' ); $li = $( '
  • ' ) .addClass( i === 0 ? 'selected' : '' ); $a = $( '' ) .attr( { id: ident.replace( 'mw-prefsection', 'preftab' ), href: '#' + ident } ) .text( $legend.text() ); $li.append( $a ); $preftoc.append( $li ); } ); // If we've reloaded the page or followed an open-in-new-window, // make the selected tab visible. hash = window.location.hash; if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) { switchPrefTab( hash.replace( '#mw-prefsection-' , '' ) ); } // In browsers that support the onhashchange event we will not bind click // handlers and instead let the browser do the default behavior (clicking the // will naturally set the hash, handled by onhashchange. // But other things that change the hash will also be catched (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 = window.location.hash; if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) { switchPrefTab( hash.replace( '#mw-prefsection-', '' ) ); } else if ( hash === '' ) { switchPrefTab( 'personal', 'noHash' ); } }); // In older browsers we'll bind a click handler as fallback. // We must not have onhashchange *and* the click handlers, other wise // the click handler calls switchPrefTab() which sets the hash value, // which triggers onhashcange and calls switchPrefTab() again. } else { $preftoc.on( 'click', 'li a', function ( e ) { switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) ); e.preventDefault(); }); } /** * 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 === 'guess' ) { // Get browser timezone & fill it in minuteDiff = -( new Date().getTimezoneOffset() ); $tzTextbox.val( minutesToHours( minuteDiff ) ); $tzSelect.val( 'other' ); $tzTextbox.prop( 'disabled', false ); } else if ( type === 'other' ) { // Grab data from the textbox, parse it. minuteDiff = hoursToMinutes( $tzTextbox.val() ); } else { // Grab data from the $tzSelect value minuteDiff = parseInt( type.split( '|' )[1], 10 ) || 0; $tzTextbox.val( minutesToHours( minuteDiff ) ); } // Determine local time from server time and minutes difference, for display. localTime = servertime + minuteDiff; // Bring time within the [0,1440) range. while ( localTime < 0 ) { localTime += 1440; } while ( localTime >= 1440 ) { localTime -= 1440; } $localtimeHolder.text( minutesToHours( localTime ) ); } if ( $tzSelect.length && $tzTextbox.length ) { $tzSelect.change( updateTimezoneSelection ); $tzTextbox.blur( updateTimezoneSelection ); updateTimezoneSelection(); } // Preserve the tab after saving the preferences // Not using cookies, because their deletion results are inconsistent. // Not using jStorage due to its enormous size (for this feature) if ( window.sessionStorage ) { if ( sessionStorage.getItem( 'mediawikiPreferencesTab' ) !== null ) { switchPrefTab( sessionStorage.getItem( 'mediawikiPreferencesTab' ), 'noHash' ); } // Deleting the key, the tab states should be reset until we press Save sessionStorage.removeItem( 'mediawikiPreferencesTab' ); $( '#mw-prefs-form' ).submit( function () { var storageData = $( $preftoc ).find( 'li.selected a' ).attr( 'id' ).replace( 'preftab-', '' ); sessionStorage.setItem( 'mediawikiPreferencesTab', storageData ); } ); } } );