--- loncom/interface/loncommon.pm	2008/12/18 16:58:26	1.724
+++ loncom/interface/loncommon.pm	2009/01/28 13:49:50	1.736
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.724 2008/12/18 16:58:26 raeburn Exp $
+# $Id: loncommon.pm,v 1.736 2009/01/28 13:49:50 muellerd Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -943,24 +943,30 @@ ENDTEMPLATE
 # This is a quicky function for Latex cheatsheet editing, since it 
 # appears in at least four places
 sub helpLatexCheatsheet {
-    my $other = shift;
+    my ($topic,$text,$not_author) = @_;
+    my $out;
     my $addOther = '';
-    if ($other) {
-	$addOther = Apache::loncommon::help_open_topic($other, shift,
-						       undef, undef, 600) .
+    if ($topic) {
+	$addOther = &Apache::loncommon::help_open_topic($topic,$text,
+						       undef, undef, 600).
 							   '</td><td>';
     }
-    return '<table><tr><td>'.
-	$addOther .
-	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
-	                                    undef,undef,600)
-	.'</td></tr></table>';
+    $out = '<table><tr><td>'.
+	   $addOther .
+	   &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
+					       undef,undef,600).
+	   '</td><td>'.
+	   &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
+					       undef,undef,600).
+	   '</td>';
+    unless ($not_author) {
+        $out .= '<td>'.
+	        &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
+	                                            undef,undef,600).
+	        '</td>';
+    }
+    $out .= '</tr></table>';
+    return $out;
 }
 
 sub general_help {
@@ -1629,7 +1635,7 @@ sub multiple_select_form {
             $size = scalar(keys(%$hash));
         }
     }
-    $output.="\n<select name='$name' size='$size' multiple='1'>";
+    $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
     my @order;
     if (ref($order) eq 'ARRAY')  {
         @order = @{$order};
@@ -2717,6 +2723,43 @@ sub flush_email_cache {
     &Apache::lonnet::devalidate_cache_new('emailscache',$id);
 }
 
+# -------------------------------------------------------------------- getlangs
+
+=pod
+
+=item * &getlangs($uname,$udom)
+
+Gets a user's language preference and returns it as a hash with key:
+language.
+
+=cut
+
+
+sub getlangs {
+    my ($uname,$udom) = @_;
+    if (!$udom)  { $udom =$env{'user.domain'}; }
+    if (!$uname) { $uname=$env{'user.name'};   }
+    my $id=$uname.':'.$udom;
+    my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
+    if ($cached) {
+        return %{$langs};
+    } else {
+        my %loadlangs=&Apache::lonnet::get('environment',['languages'],
+                                           $udom,$uname);
+        &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
+        return %loadlangs;
+    }
+}
+
+sub flush_langs_cache {
+    my ($uname,$udom)=@_;
+    if (!$udom)  { $udom =$env{'user.domain'}; }
+    if (!$uname) { $uname=$env{'user.name'};   }
+    return if ($udom eq 'public' && $uname eq 'public');
+    my $id=$uname.':'.$udom;
+    &Apache::lonnet::devalidate_cache_new('userlangs',$id);
+}
+
 # ------------------------------------------------------------------ Screenname
 
 =pod
@@ -3168,7 +3211,7 @@ sub relative_to_absolute {
     }
     $thisdir=~s-/[^/]*$--;
     foreach my $link (@rlinks) {
-	unless (($link=~/^http:\/\//i) ||
+	unless (($link=~/^https?\:\/\//i) ||
 		($link=~/^\//) ||
 		($link=~/^javascript:/i) ||
 		($link=~/^mailto:/i) ||
@@ -4465,7 +4508,7 @@ form, .inline { display: inline; }
 }
 .LC_warning,
 .LC_diff_removed {
-  
+  color: red;
 }
 
 .LC_info,
@@ -4491,7 +4534,7 @@ form, .inline { display: inline; }
 }
 
 .LC_internal_info {
-  color: #999;
+  color: #999999;
 }
 
 table.LC_pastsubmission {
@@ -4713,7 +4756,7 @@ table.LC_prior_tries tr th {
   font-size:90%;
 }
 table.LC_data_table tr.LC_info_row > td {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   text-align: left;
 }
@@ -4761,7 +4804,7 @@ table.LC_nested_outer tr td.LC_subheader
   text-align: right;
 }
 table.LC_nested tr.LC_info_row td {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   font-size: small;
   text-align: center;
@@ -4771,7 +4814,7 @@ table.LC_nested_outer tr th.LC_left_item
   text-align: left;
 }
 table.LC_nested td {
-  background-color: #FFF;
+  background-color: #FFFFFF;
   font-size: small;
 }
 table.LC_nested_outer tr th.LC_right_item,
@@ -4782,7 +4825,7 @@ table.LC_nested tr td.LC_right_item {
 }
 
 table.LC_nested tr.LC_odd_row td {
-  background-color: #EEE;
+  background-color: #EEEEEE;
 }
 
 table.LC_createuser {
@@ -4793,7 +4836,7 @@ table.LC_createuser tr.LC_section_row td
 }
 
 table.LC_createuser tr.LC_info_row td  {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   text-align: center;
 }
@@ -5224,13 +5267,6 @@ table.LC_docs_documents td.LC_docs_docum
   padding: 4px;
 }
 
-.LC_docs_course_commands div {
-  float: left;
-  border: 4px solid #AAAAAA;
-  padding: 4px;
-  background: #DDDDCC;
-}
-
 .LC_docs_entry_move {
   border: 0px;
   border-collapse: collapse;
@@ -7943,7 +7979,7 @@ sub upfile_select_html {
 #                 xml   => &mt('HTML/XML'),
                  );
     my $Str = '<input type="file" name="upfile" size="50" />'.
-        '<br />Type: <select name="upfiletype">';
+        '<br />'.&mt('Type').': <select name="upfiletype">';
     foreach my $type (sort(keys(%Types))) {
         $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
     }
@@ -8031,7 +8067,7 @@ sub csv_print_select_table {
               &end_data_table_header_row()."\n");
     foreach my $array_ref (@$d) {
 	my ($value,$display,$defaultcol)=@{ $array_ref };
-	$r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
+	$r->print(&start_data_table_row().'<td>'.$display.'</td>');
 
 	$r->print('<td><select name=f'.$i.
 		  ' onchange="javascript:flip(this.form,'.$i.');">');
@@ -9367,7 +9403,9 @@ sub construct_course {
                    'policy.email',
                    'comment.email',
                    'pch.users.denied',
-                   'plc.users.denied'],
+                   'plc.users.denied',
+                   'hidefromcat',
+                   'categories'],
                    $$crsudom,$$crsunum);
     }
 
@@ -9868,7 +9906,7 @@ sub _add_to_env {
 # --- Get the symbolic name of a problem and the url
 sub get_symb {
     my ($request,$silent) = @_;
-    (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+    (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
     if ($symb eq '') {
         if (!$silent) {
@@ -9895,11 +9933,13 @@ sub get_annotation {
 }
 
 sub clean_symb {
-    my ($symb) = @_;
+    my ($symb,$delete_enc) = @_;
 
     &Apache::lonenc::check_decrypt(\$symb);
     my $enc = $env{'request.enc'};
-    delete($env{'request.enc'});
+    if ($delete_enc) {
+        delete($env{'request.enc'});
+    }
 
     return ($symb,$enc);
 }