--- loncom/interface/loncommon.pm	2007/09/05 05:09:53	1.579
+++ loncom/interface/loncommon.pm	2007/09/11 20:36:30	1.582
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.579 2007/09/05 05:09:53 raeburn Exp $
+# $Id: loncommon.pm,v 1.582 2007/09/11 20:36:30 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2563,6 +2563,29 @@ sub preferred_languages {
     return @genlanguages;
 }
 
+sub languages {
+    my ($possible_langs) = @_;
+    my @preferred_langs = &preferred_languages();
+    if (!ref($possible_langs)) {
+	if( wantarray ) {
+	    return @preferred_langs;
+	} else {
+	    return $preferred_langs[0];
+	}
+    }
+    my %possibilities = map { $_ => 1 } (@$possible_langs);
+    my @preferred_possibilities;
+    foreach my $preferred_lang (@preferred_langs) {
+	if (exists($possibilities{$preferred_lang})) {
+	    push(@preferred_possibilities, $preferred_lang);
+	}
+    }
+    if( wantarray ) {
+	return @preferred_possibilities;
+    }
+    return $preferred_possibilities[0];
+}
+
 ###############################################################
 ##               Student Answer Attempts                     ##
 ###############################################################
@@ -2637,25 +2660,15 @@ sub get_previous_attempt {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
 	  $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
 	    foreach my $key (sort(keys(%lasthash))) {
-	       my $value;
-	       if ($key =~ /timestamp/) {
-		  $value=scalar(localtime($returnhash{$version.':'.$key}));
-	       } else {
-		  $value=$returnhash{$version.':'.$key};
-	       }
-	       $prevattempts.='<td>'.&unescape($value).'&nbsp;</td>';   
+		my $value = &format_previous_attempt_value($key,
+							   $returnhash{$version.':'.$key});
+		$prevattempts.='<td>'.$value.'&nbsp;</td>';   
 	    }
 	 }
       }
       $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
       foreach my $key (sort(keys(%lasthash))) {
-	my $value;
-	if ($key =~ /timestamp/) {
-	  $value=scalar(localtime($lasthash{$key}));
-	} else {
-	  $value=$lasthash{$key};
-	}
-	$value=&unescape($value);
+	my $value = &format_previous_attempt_value($key,$lasthash{$key});
 	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
 	$prevattempts.='<td>'.$value.'&nbsp;</td>';
       }
@@ -2668,6 +2681,19 @@ sub get_previous_attempt {
   }
 }
 
+sub format_previous_attempt_value {
+    my ($key,$value) = @_;
+    if ($key =~ /timestamp/) {
+	$value = &Apache::lonlocal::locallocaltime($value);
+    } elsif (ref($value) eq 'ARRAY') {
+	$value = '('.join(', ', @{ $value }).')';
+    } else {
+	$value = &unescape($value);
+    }
+    return $value;
+}
+
+
 sub relative_to_absolute {
     my ($url,$output)=@_;
     my $parser=HTML::TokeParser->new(\$output);
@@ -5651,7 +5677,7 @@ sub user_picker {
     my $currdom = $dom;
     my %curr_selected = (
                         srchin => 'dom',
-                        srchby => 'uname',
+                        srchby => 'lastname',
                       );
     my $srchterm;
     if (ref($srch) eq 'HASH') {
@@ -5713,7 +5739,7 @@ sub user_picker {
     $srchinsel .= "\n  </select>\n";
 
     my $srchbysel =  ' <select name="srchby">';
-    foreach my $option ('uname','lastname','lastfirst') {
+    foreach my $option ('lastname','lastfirst','uname') {
         if ($curr_selected{'srchby'} eq $option) {
             $srchbysel .= '
    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
@@ -5725,7 +5751,7 @@ sub user_picker {
     $srchbysel .= "\n  </select>\n";
 
     my $srchtypesel = ' <select name="srchtype">';
-    foreach my $option ('exact','begins','contains') {
+    foreach my $option ('begins','contains','exact') {
         if ($curr_selected{'srchtype'} eq $option) {
             $srchtypesel .= '
    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';