From 92363755ce13d06cb5216bbcf2575fb34025f699 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Niklas=20Laxstr=C3=B6m?= <nikerabbit@users.mediawiki.org>
Date: Fri, 7 Mar 2008 14:02:12 +0000
Subject: [PATCH] * Parse MediaWiki message translations with a correct
 language setting on preview

---
 RELEASE-NOTES              |  1 +
 includes/EditPage.php      | 23 +++++++++++++++++++++--
 includes/Parser.php        |  8 +++++++-
 includes/ParserOptions.php |  4 ++++
 4 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 07610f5be7..88273715ac 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -74,6 +74,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 13274) Change links for messages to ucfirst
 * (bug 13273) "Categories:" message at the bottom of the page shouldn't have
   hardcoded colon, use new 'colon-separator' message instead
+* Parse MediaWiki message translations with a correct language setting on preview
 
 === API changes in 1.13 ===
 
diff --git a/includes/EditPage.php b/includes/EditPage.php
index 33bac6a460..25f1e024b6 100644
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -1494,7 +1494,7 @@ END
 	 * @todo document
 	 */
 	function getPreviewText() {
-		global $wgOut, $wgUser, $wgTitle, $wgParser;
+		global $wgOut, $wgUser, $wgTitle, $wgParser, $wgLang, $wgContLang;
 
 		$fname = 'EditPage::getPreviewText';
 		wfProfileIn( $fname );
@@ -1542,7 +1542,26 @@ END
 				$toparse="== {$this->summary} ==\n\n".$toparse;
 			}
 
-			if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData ;
+			if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData;
+
+			// Parse mediawiki messages with correct target language
+			if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+				$pos = strrpos( $this->mTitle->getText(), '/' );
+				if ( $pos !== false ) {
+					$code = substr( $this->mTitle->getText(), $pos+1 );
+					switch ($code) {
+						case $wgLang->getCode():
+							$obj = $wgLang; break;
+						case $wgContLang->getCode():
+							$obj = $wgContLang; break;
+						default:
+							$obj = Language::factory( $code );
+					}
+					$parserOptions->setTargetLanguage( $obj );
+				}
+			}
+
+
 			$parserOptions->setTidy(true);
 			$parserOptions->enableLimitReport();
 			$parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ) ."\n\n",
diff --git a/includes/Parser.php b/includes/Parser.php
index fde3351978..acefb8dcaa 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -459,7 +459,13 @@ class Parser
 
 	function getFunctionLang() {
 		global $wgLang, $wgContLang;
-		return $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
+
+		$target = $this->mOptions->getTargetLanguage();
+		if ( $target !== null ) {
+			return $target;
+		} else {
+			return $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
+		}
 	}
 
 	/**
diff --git a/includes/ParserOptions.php b/includes/ParserOptions.php
index 996bba2171..7be42abf38 100644
--- a/includes/ParserOptions.php
+++ b/includes/ParserOptions.php
@@ -20,6 +20,7 @@ class ParserOptions
 	var $mAllowSpecialInclusion;     # Allow inclusion of special pages
 	var $mTidy;                      # Ask for tidy cleanup
 	var $mInterfaceMessage;          # Which lang to call for PLURAL and GRAMMAR
+	var $mTargetLanguage;            # Overrides above setting with arbitrary language
 	var $mMaxIncludeSize;            # Maximum size of template expansions, in bytes
 	var $mMaxPPNodeCount;            # Maximum number of nodes touched by PPFrame::expand()
 	var $mMaxTemplateDepth;          # Maximum recursion depth for templates within templates
@@ -40,6 +41,7 @@ class ParserOptions
 	function getAllowSpecialInclusion()         { return $this->mAllowSpecialInclusion; }
 	function getTidy()                          { return $this->mTidy; }
 	function getInterfaceMessage()              { return $this->mInterfaceMessage; }
+	function getTargetLanguage()                { return $this->mTargetLanguage; }
 	function getMaxIncludeSize()                { return $this->mMaxIncludeSize; }
 	function getMaxPPNodeCount()                { return $this->mMaxPPNodeCount; }
 	function getMaxTemplateDepth()              { return $this->mMaxTemplateDepth; }
@@ -80,6 +82,7 @@ class ParserOptions
 	function setTidy( $x )                      { return wfSetVar( $this->mTidy, $x); }
 	function setSkin( $x )                      { $this->mSkin = $x; }
 	function setInterfaceMessage( $x )          { return wfSetVar( $this->mInterfaceMessage, $x); }
+	function setTargetLanguage( $x )            { return wfSetVar( $this->mTargetLanguage, $x); }
 	function setMaxIncludeSize( $x )            { return wfSetVar( $this->mMaxIncludeSize, $x ); }
 	function setMaxPPNodeCount( $x )            { return wfSetVar( $this->mMaxPPNodeCount, $x ); }
 	function setMaxTemplateDepth( $x )          { return wfSetVar( $this->mMaxTemplateDepth, $x ); }
@@ -132,6 +135,7 @@ class ParserOptions
 		$this->mAllowSpecialInclusion = $wgAllowSpecialInclusion;
 		$this->mTidy = false;
 		$this->mInterfaceMessage = false;
+		$this->mTargetLanguage = null; // default depends on InterfaceMessage setting
 		$this->mMaxIncludeSize = $wgMaxArticleSize * 1024;
 		$this->mMaxPPNodeCount = $wgMaxPPNodeCount;
 		$this->mMaxTemplateDepth = $wgMaxTemplateDepth;
-- 
2.20.1