From: Pavel Selitskas <p.selitskas@gmail.com>
Date: Sat, 12 Jan 2013 01:20:04 +0000 (+0300)
Subject: (Bug 27559) Preserve tab selection after submit in [[Special:Preferences]]
X-Git-Tag: 1.31.0-rc.0~20725^2
X-Git-Url: https://git.cyclocoop.org/%27.WWW_URL.%27admin/?a=commitdiff_plain;h=cc74fcb829f3e8f5388bca98263fde5eae6e7db8;p=lhc%2Fweb%2Fwiklou.git

(Bug 27559) Preserve tab selection after submit in [[Special:Preferences]]

Firstly it was planned to be implemented via cookies, but they behave terribly.
So, for now it's a HTML5-only solution (via sessionStorage).

Change-Id: I7b7f14a6dca580a4498bda1ada48d1a3ba7c69c3
---

diff --git a/resources/mediawiki.special/mediawiki.special.preferences.js b/resources/mediawiki.special/mediawiki.special.preferences.js
index 46384a8009..6eaec6a126 100644
--- a/resources/mediawiki.special/mediawiki.special.preferences.js
+++ b/resources/mediawiki.special/mediawiki.special.preferences.js
@@ -180,4 +180,20 @@ jQuery( document ).ready( function ( $ ) {
 		$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 );
+		} );
+	}
 } );