From 90797afe5366458d37046c34f3a2583aade361f5 Mon Sep 17 00:00:00 2001
From: mwjames <jamesin.hongkong.1@gmail.com>
Date: Mon, 5 Nov 2012 19:24:52 +0900
Subject: [PATCH] Extend the SpecialStatsAddExtra hook for a more distinct
 display of extra items

The current approach leaves not much room for a meaningful
display of varying extra statistical items nor its ability to display
a special page link as item name.

The change proposed allows for varying header titles as well as
item descriptions using the standard language parser. The proposed
change uses is similar approach as in the InfoAction hook. A item
now is specified as [<header-message>][<item-message>] = number

Use === array() check instead of a count() and continue legacy support
for the single array structure used prio 1.21.

Change-Id: I78107c72953878c86d221fb6f83baff5f6c11f09
---
 includes/specials/SpecialStatistics.php | 55 ++++++++++++++++++++-----
 1 file changed, 45 insertions(+), 10 deletions(-)

diff --git a/includes/specials/SpecialStatistics.php b/includes/specials/SpecialStatistics.php
index f4bc66649f..7d6d90ed4d 100644
--- a/includes/specials/SpecialStatistics.php
+++ b/includes/specials/SpecialStatistics.php
@@ -277,21 +277,56 @@ class SpecialStatistics extends SpecialPage {
 		return $text;
 	}
 
-	private function getOtherStats( $stats ) {
-		if ( !count( $stats ) )
-			return '';
+	/**
+	 * Conversion of external statistics into an internal representation
+	 * Following a ([<header-message>][<item-message>] = number) pattern
+	 *
+	 * @param array $stats
+	 * @return string
+	 */
+	private function getOtherStats( array $stats ) {
+		$return = '';
 
-		$return = Xml::openElement( 'tr' ) .
-			Xml::tags( 'th', array( 'colspan' => '2' ), $this->msg( 'statistics-header-hooks' )->parse() ) .
-			Xml::closeElement( 'tr' );
+		foreach( $stats as $header => $items ) {
+
+			// Identify the structure used
+			if ( is_array( $items ) ) {
 
-		foreach( $stats as $name => $number ) {
-			$name = htmlspecialchars( $name );
-			$number = htmlspecialchars( $number );
+				// Ignore headers that are recursively set as legacy header
+				if ( $header !== 'statistics-header-hooks' ) {
+					$return .= $this->formatRowHeader( $header );
+				}
+
+				// Collect all items that belong to the same header
+				foreach( $items as $key => $value ) {
+					$name = $this->msg( $key )->inContentLanguage()->parse();
+					$number = htmlspecialchars( $value );
 
-			$return .= $this->formatRow( $name, $this->getLanguage()->formatNum( $number ), array( 'class' => 'mw-statistics-hook' ) );
+					$return .= $this->formatRow( $name, $this->getLanguage()->formatNum( $number ), array( 'class' => 'mw-statistics-hook' ) );
+				}
+			} else {
+				// Create the legacy header only once
+				if ( $return === '' ) {
+					$return .= $this->formatRowHeader( 'statistics-header-hooks' );
+				}
+
+				// Recursively remap the legacy structure
+				$return .= $this->getOtherStats( array( 'statistics-header-hooks' => array( $header => $items ) ) );
+			}
 		}
 
 		return $return;
 	}
+
+	/**
+	 * Format row header
+	 *
+	 * @param string $header
+	 * @return string
+	 */
+	private function formatRowHeader( $header ) {
+		return Xml::openElement( 'tr' ) .
+			Xml::tags( 'th', array( 'colspan' => '2' ), $this->msg( $header )->parse() ) .
+			Xml::closeElement( 'tr' );
+	}
 }
-- 
2.20.1