Omit 'window.' when accessing browsing location

[lhc/web/wiklou.git] / resources / src / mediawiki.special / mediawiki.special.preferences.js

diff --git a/resources/src/mediawiki.special/mediawiki.special.preferences.js b/resources/src/mediawiki.special/mediawiki.special.preferences.js
index 2cd27af..043d769 100644 (file)
--- a/resources/src/mediawiki.special/mediawiki.special.preferences.js
+++ b/resources/src/mediawiki.special/mediawiki.special.preferences.js
@@ -1,11 +1,11 @@
-/**
+/*!
  * JavaScript for Special:Preferences
  */
 jQuery( function ( $ ) {
        var $preftoc, $preferences, $fieldsets, $legends,
                hash, labelFunc,
                $tzSelect, $tzTextbox, $localtimeHolder, servertime,
-               $checkBoxes;
+               $checkBoxes, savedWindowOnBeforeUnload;
 
        labelFunc = function () {
                return this.id.replace( /^mw-prefsection/g, 'preftab' );
@@ -46,9 +46,10 @@ jQuery( function ( $ ) {
        /**
         * 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: [optional] A hash will be set according to the current
-        * open section. Set mode 'noHash' to surpress this.
+        *  open section. Set mode 'noHash' to surpress this.
         */
        function switchPrefTab( name, mode ) {
                var $tab, scrollTop;
@@ -56,7 +57,7 @@ jQuery( function ( $ ) {
                // therefore save and restore scrollTop to prevent jumping.
                scrollTop = $( window ).scrollTop();
                if ( mode !== 'noHash' ) {
-                       window.location.hash = '#mw-prefsection-' + name;
+                       location.hash = '#mw-prefsection-' + name;
                }
                $( window ).scrollTop( scrollTop );
 
@@ -126,7 +127,7 @@ jQuery( function ( $ ) {
 
        // If we've reloaded the page or followed an open-in-new-window,
        // make the selected tab visible.
-       hash = window.location.hash;
+       hash = location.hash;
        if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
                switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
        }
@@ -141,7 +142,7 @@ jQuery( function ( $ ) {
                ( document.documentMode === undefined || document.documentMode >= 8 )
        ) {
                $( window ).on( 'hashchange', function () {
-                       var hash = window.location.hash;
+                       var hash = location.hash;
                        if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
                                switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
                        } else if ( hash === '' ) {
@@ -159,10 +160,8 @@ jQuery( function ( $ ) {
                } );
        }
 
-       /**
-       * Timezone functions.
-       * Guesses Timezone from browser and updates fields onchange
-       */
+       // Timezone functions.
+       // Guesses Timezone from browser and updates fields onchange.
 
        $tzSelect = $( '#mw-input-wptimecorrection' );
        $tzTextbox = $( '#mw-input-wptimecorrection-other' );
@@ -201,7 +200,7 @@ jQuery( function ( $ ) {
                }
        }
 
-       function updateTimezoneSelection () {
+       function updateTimezoneSelection() {
                var minuteDiff, localTime,
                        type = $tzSelect.val();
 
@@ -264,4 +263,43 @@ jQuery( function ( $ ) {
        $( '#mw-input-wpsearcheverything' ).change( function () {
                $checkBoxes.prop( 'disabled', $( this ).prop( 'checked' ) );
        } );
+
+       // Set up a message to notify users if they try to leave the page without
+       // saving.
+       $( '#mw-prefs-form' ).data( 'origdata', $( '#mw-prefs-form' ).serialize() );
+       $( window )
+               .on( 'beforeunload.prefswarning', function () {
+                       var retval;
+
+                       // Check if anything changed
+                       if ( $( '#mw-prefs-form' ).serialize() !== $( '#mw-prefs-form' ).data( 'origdata' ) ) {
+                               // Return our message
+                               retval = mediaWiki.msg( 'prefswarning-warning', mediaWiki.msg( 'saveprefs' ) );
+                       }
+
+                       // Unset the onbeforeunload handler so we don't break page caching in Firefox
+                       savedWindowOnBeforeUnload = window.onbeforeunload;
+                       window.onbeforeunload = null;
+                       if ( retval !== undefined ) {
+                               // ...but if the user chooses not to leave the page, we need to rebind it
+                               setTimeout( function () {
+                                       window.onbeforeunload = savedWindowOnBeforeUnload;
+                               }, 1 );
+                               return retval;
+                       }
+               } )
+               .on( 'pageshow.prefswarning', function () {
+                       // Re-add onbeforeunload handler
+                       if ( !window.onbeforeunload ) {
+                               window.onbeforeunload = savedWindowOnBeforeUnload;
+                       }
+               } );
+       $( '#mw-prefs-form' ).submit( function () {
+               // Unbind our beforeunload handler
+               $( window ).off( '.prefswarning' );
+       } );
+       $( '#mw-prefs-restoreprefs' ).click( function () {
+               // Unbind our beforeunload handler
+               $( window ).off( '.prefswarning' );
+       } );
 } );