/*! * JavaScript for Special:Preferences: Timezone field enhancements. */ ( function ( mw, $ ) { $( function () { var $tzSelect, $tzTextbox, $localtimeHolder, servertime; // 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 // 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' ); } else { // Grab data from the $tzSelect value minuteDiff = parseInt( type.split( '|' )[ 1 ], 10 ) || 0; } } // 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(); } } ); }( mediaWiki, jQuery ) );