Index: SpecialUserStats.i18n.php
===================================================================
--- SpecialUserStats.i18n.php	(revision 53467)
+++ SpecialUserStats.i18n.php	(working copy)
@@ -14,6 +14,8 @@
 	'usagestatisticsfor'              => '<h2>Usage statistics for [[User:$1|$1]]</h2>',
 	'usagestatisticsforallusers'      => '<h2>Usage statistics for all users</h2>',
 	'usagestatisticsinterval'         => 'Interval',
+	'usagestatisticsnamespace'		  => 'Namespace',
+	'usagestatistics-namespace-withoutredirects' => 'These are statistics on the [[Special:Allpages/$1:|$1]] namespace. [[Special:ListRedirects|Redirects]] are not taken into account.',
 	'usagestatisticstype'             => 'Type',
 	'usagestatisticsstart'            => 'Start date',
 	'usagestatisticsend'              => 'End date',
Index: SpecialUserStats_body.php
===================================================================
--- SpecialUserStats_body.php	(revision 53467)
+++ SpecialUserStats_body.php	(working copy)
@@ -1,8 +1,10 @@
 <?php
-class SpecialUserStats extends SpecialPage
-{
+class SpecialUserStats extends SpecialPage {
+
+	var $namespace = NULL;
+	
 	function SpecialUserStats() {
-		SpecialPage::SpecialPage( "SpecialUserStats" );
+		parent::SpecialPage( "SpecialUserStats" );
 
 		# the standard method for LoadingExtensionMessages was apparently broken in several versions of MW
 		# so, to make this work with multiple versions of MediaWiki, let's load the messages nicely
@@ -35,9 +37,10 @@
 		$wgOut->setPagetitle( wfMsg( 'usagestatistics' ) );
 
 		$user = $wgUser->getName();
-		$wgOut->addWikiText( wfMsg( 'usagestatisticsfor', $user ) );
+		$wgOut->addWikiMsg( 'usagestatisticsfor', $user );
 
 		$interval = $wgRequest->getVal( 'interval', '' );
+		$namespace = $wgRequest->getVal('namespace', '');
 		$type = $wgRequest->getVal( 'type', '' );
 		$start = $wgRequest->getVal( 'start', '' );
 		$end = $wgRequest->getVal( 'end', '' );
@@ -53,10 +56,10 @@
 				// FIXME: ideally this would use a class for markup.
 				$wgOut->addWikiText( '* <font color=red>' . wfMsg( 'usagestatisticsnoend' ) . '</font>' );
 			}
-			self::DisplayForm( $start, $end );
+			self::DisplayForm( $start, $end, $namespace );
 		} else {
 			$db = wfGetDB( DB_SLAVE );
-			self::GetUserUsage( $db, $user, $start, $end, $interval, $type );
+			self::GetUserUsage( $db, $user, $start, $end, $interval, $namespace, $type );
 		}
 	}
 
@@ -128,8 +131,8 @@
 		return $new_ary;
 	}
 
-	function GetUserUsage( $db, $user, $start, $end, $interval, $type ) {
-		global $wgOut, $wgUser, $wgUserStatsGlobalRight, $wgUserStatsGoogleCharts;
+	function GetUserUsage( $db, $user, $start, $end, $interval, $namespace, $type ) {
+		global $wgOut, $wgUser, $wgUserStatsGlobalRight, $wgUserStatsGoogleCharts, $wgContLang;
 
 		list( $start_m, $start_d, $start_y ) = split( '/', $start );
 		$start_t = mktime( 0, 0, 0, $start_m, $start_d, $start_y );
@@ -140,7 +143,11 @@
 			$wgOut->addHTML( wfMsg( 'usagestatisticsbadstartend' ) );
 			return;
 		}
-
+		if ($namespace != 'all') {
+			$nstext = $wgContLang->getNSText($namespace);
+			if ($nstext == '') $nstext = '(Main)';
+			$wgOut->addWikiMsg( 'usagestatistics-namespace-withoutredirects', $nstext );
+		}
 		$dates = array();
 		$csv = 'Username,';
 		$cur_t = $start_t;
@@ -149,13 +156,17 @@
 			$dates[$a_date] = array();
 			$cur_t += $interval;
 		}
-
 		# Let's process the edits that are recorded in the database
 		$u = array();
-		$sql = "SELECT rev_user_text,rev_timestamp,page_id FROM " .
+		if ( $namespace == 'all' ) {
+			$sql = "SELECT rev_user_text,rev_timestamp,page_id FROM " .
 			$db->tableName( 'page' ) . "," . $db->tableName( 'revision' ) .
 			" WHERE rev_page=page_id";
-
+		} else {
+			$sql = "SELECT rev_user_text,rev_timestamp,page_id FROM " .
+			$db->tableName( 'page' ) . "," . $db->tableName( 'revision' ) .
+			" WHERE rev_page=page_id" . " AND page_is_redirect=0 AND page_namespace=" . $db->addQuotes($namespace);
+		}
 		$res = $db->query( $sql, __METHOD__ );
 
 		for ( $j = 0; $j < $db->numRows( $res ); $j++ ) {
@@ -240,7 +251,7 @@
 			return;
 
 		# plot overall usage statistics
-		$wgOut->addWikiText( wfMsg( 'usagestatisticsforallusers' ) );
+		$wgOut->addWikiMsg( 'usagestatisticsforallusers' );
 		$gnuplot = "<gnuplot>
 set xdata time
 set xtics rotate by 90
@@ -348,28 +359,30 @@
 
 		$wgOut->addHTML( '<div class="NavFrame" style="padding:0px;border-style:none;">' );
 		$wgOut->addHTML( '<div class="NavHead" style="background: #ffffff; text-align: left; font-size:100%;">' );
-		$wgOut->addWikiText( wfMsg ( 'usagestatistics-editindividual', $nature ) );
+		$wgOut->addWikiMsg ( 'usagestatistics-editindividual', $nature );
 		$wgOut->addHTML( '</div><div class="NavContent" style="display:none; font-size:normal; text-align:left">' );
-		$wgOut->AddHtml( "<pre>$csv$csv_edits</pre></div></div><br />" );
+		$wgOut->addHTML( "<pre>$csv$csv_edits</pre></div></div><br />" );
 
 		$wgOut->addHTML( '<div class="NavFrame" style="padding:0px;border-style:none;">' );
 		$wgOut->addHTML( '<div class="NavHead" style="background: #ffffff; text-align: left; font-size:100%;">' );
-		$wgOut->addWikiText( wfMsg ( 'usagestatistics-editpages', $nature ) );
+		$wgOut->addWikiMsg ( 'usagestatistics-editpages', $nature );
 		$wgOut->addHTML( '</div><div class="NavContent" style="display:none; font-size:normal; text-align:left">' );
-		$wgOut->AddHtml( "<pre>$csv$csv_pages</pre></div></div>" );
+		$wgOut->addHTML( "<pre>$csv$csv_pages</pre></div></div>" );
 
 		return;
 	}
 
-	function DisplayForm( $start, $end ) {
+	function DisplayForm( $start, $end, $namespace ) {
 		global $wgOut;
 
 		$wgOut->addHTML( "
 <script type='text/javascript'>document.write(getCalendarStyles());</SCRIPT>
-<form id=\"userstats\" method=\"post\">
+<form id=\"userstats\" method=\"post\">");
+		$wgOut->addHTML( $this->makeNamespaceForm( $namespace ) );
+		$wgOut->addHTML( "
 <table border='0'>
 <tr>
-  <td align='right'>" . wfMsg( 'usagestatisticsinterval' ) . ":</td>
+  <td align='left'>" . wfMsg( 'usagestatisticsinterval' ) . ":</td>
   <td align='left'>
     <select name='interval'>
       <option value='86400'>" . wfMsg( 'usagestatisticsintervalday' ) . "
@@ -379,7 +392,7 @@
   </td>
 </tr>
 <tr>
-  <td align='right'>" . wfMsg( 'usagestatisticstype' ) . ":</td>
+  <td align='left'>" . wfMsg( 'usagestatisticstype' ) . ":</td>
   <td align='left'>
     <select name='type'>
       <option value='incremental'>" . wfMsg( 'usagestatisticsincremental' ) . "
@@ -415,7 +428,13 @@
 <DIV ID=\"testdiv1\" STYLE=\"position:absolute;visibility:hidden;background-color:white;layer-background-color:white;\"></DIV>
         " );
 	}
-
+	
+	function makeNamespaceForm( $namespace ) {
+		$form = Xml::label( wfMsg( 'usagestatisticsnamespace' ), 'namespace' ) . ':&nbsp;';
+		$form .= Xml::namespaceSelector( $this->namespace, 'all' );
+		return $form;
+	}
+	
 	function AddCalendarJavascript() {
 		global $wgOut, $wgContLang;