X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=resources%2Fsrc%2Fmediawiki.special%2Fmediawiki.special.preferences.js;h=1f6429b2e6d27724d659d9cb7b82f06b38d38182;hb=bb2d13313743d27f974a387693b5e739f341d6f7;hp=e553f449d61e688bdb6d5e6a37baad5d54a400c4;hpb=19ffc9adbd87863236933bca532054f4438679b7;p=lhc%2Fweb%2Fwiklou.git

diff --git a/resources/src/mediawiki.special/mediawiki.special.preferences.js b/resources/src/mediawiki.special/mediawiki.special.preferences.js
index e553f449d6..1f6429b2e6 100644
--- a/resources/src/mediawiki.special/mediawiki.special.preferences.js
+++ b/resources/src/mediawiki.special/mediawiki.special.preferences.js
@@ -5,7 +5,7 @@ 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' );
@@ -263,4 +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' );
+	} );
 } );