From 0d7a30fa27ebaefb5d89693bbe658916b982c082 Mon Sep 17 00:00:00 2001
From: Pavel Selitskas <p.selitskas@gmail.com>
Date: Thu, 29 Nov 2012 13:42:17 +0300
Subject: [PATCH] Mouseover explanations for interlanguage links in native
 language

Adds a language name in User's language from CLDR
to an interwiki 'title' attribute. Believed to be
RTL-compilant.

New message added: tooltip-iwiki, added to $preloadedMessages

Bug: 5231
Change-Id: I3dcb00cdc28a10711b6703fa509b8b8d06e325a2
---
 includes/SkinTemplate.php          | 7 ++++++-
 languages/messages/MessagesEn.php  | 2 ++
 languages/messages/MessagesQqq.php | 3 +++
 maintenance/language/messages.inc  | 1 +
 4 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/includes/SkinTemplate.php b/includes/SkinTemplate.php
index ccfb3dbe8c..d968d79573 100644
--- a/includes/SkinTemplate.php
+++ b/includes/SkinTemplate.php
@@ -131,6 +131,7 @@ class SkinTemplate extends Skin {
 	public function getLanguages() {
 		global $wgHideInterlanguageLinks;
 		$out = $this->getOutput();
+		$userLang = $this->getLanguage();
 
 		# Language links
 		$language_urls = array();
@@ -151,10 +152,14 @@ class SkinTemplate extends Skin {
 						$ilLangName = $this->formatLanguageName( $ilLangName );
 					}
 
+					// CLDR extension or similar is required to localize the language name;
+					// otherwise we'll end up with the autonym again.
+					$ilLangLocalName = Language::fetchLanguageName( $ilInterwikiCode, $userLang->getCode() );
+
 					$language_urls[] = array(
 						'href' => $languageLinkTitle->getFullURL(),
 						'text' => $ilLangName,
-						'title' => $languageLinkTitle->getText(),
+						'title' => wfMessage( 'tooltip-iwiki', $languageLinkTitle->getText(), $ilLangLocalName )->escaped(),
 						'class' => $class,
 						'lang' => wfBCP47( $ilInterwikiCode ),
 						'hreflang' => wfBCP47( $ilInterwikiCode ),
diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index 225a6b2160..e4d06513c2 100644
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -551,6 +551,7 @@ $preloadedMessages = array(
 	'editsectionhint',
 	'help',
 	'helppage',
+	'tooltip-iwiki',
 	'jumpto',
 	'jumptonavigation',
 	'jumptosearch',
@@ -972,6 +973,7 @@ See [[Special:Version|version page]].',
 'red-link-title'               => '$1 (page does not exist)',
 'sort-descending'              => 'Sort descending',
 'sort-ascending'               => 'Sort ascending',
+'tooltip-iwiki'                => '$1 – $2', # only translate this message to other languages if you have to change it
 
 # Short words for each namespace, by default used in the namespace tab in monobook
 'nstab-main'      => 'Page',
diff --git a/languages/messages/MessagesQqq.php b/languages/messages/MessagesQqq.php
index da14d70d0d..304d9d3aae 100644
--- a/languages/messages/MessagesQqq.php
+++ b/languages/messages/MessagesQqq.php
@@ -962,6 +962,9 @@ Parameters:
 * $1 - page title',
 'sort-descending' => 'JavaScript message. Used by sortable table script.',
 'sort-ascending' => 'JavaScript message. Used by sortable table script.',
+'tooltip-iwiki' => 'Format of a sidebar interwiki link tooltip. Parameters:
+* $1 - Page name in the target wiki
+* $2 - Target wiki language autonym',
 
 # Short words for each namespace, by default used in the namespace tab in monobook
 'nstab-main' => 'The name for the tab of the main namespace. Example: [[Example]]
diff --git a/maintenance/language/messages.inc b/maintenance/language/messages.inc
index 43be19538c..0e9cfef501 100644
--- a/maintenance/language/messages.inc
+++ b/maintenance/language/messages.inc
@@ -2726,6 +2726,7 @@ $wgMessageStructure = array(
 		'tooltip-undo',
 		'tooltip-preferences-save',
 		'tooltip-summary',
+		'tooltip-iwiki',
 	),
 	'stylesheets' => array(
 		'common.css',
-- 
2.20.1