MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / resources / src / mediawiki.special / mediawiki.special.preferences.timezone.js

diff --git a/resources/src/mediawiki.special/mediawiki.special.preferences.timezone.js b/resources/src/mediawiki.special/mediawiki.special.preferences.timezone.js
new file mode 100644 (file)
index 0000000..58a5f84
--- /dev/null
+++ b/resources/src/mediawiki.special/mediawiki.special.preferences.timezone.js
@@ -0,0 +1,92 @@
+/*!
+ * 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 <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();
+               }
+
+       } );
+}( mediaWiki, jQuery ) );