--- loncom/interface/loncommon.pm	2008/12/18 08:33:11	1.723
+++ loncom/interface/loncommon.pm	2009/01/08 19:37:48	1.730
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.723 2008/12/18 08:33:11 riegler Exp $
+# $Id: loncommon.pm,v 1.730 2009/01/08 19:37:48 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2717,6 +2717,43 @@ 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 +3205,7 @@ 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) ||
@@ -7943,7 +7980,7 @@ 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 +8068,7 @@ 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 +9404,9 @@ sub construct_course {
                    'policy.email',
                    'comment.email',
                    'pch.users.denied',
-                   'plc.users.denied'],
+                   'plc.users.denied',
+                   'hidefromcat',
+                   'categories'],
                    $$crsudom,$$crsunum);
     }
 
@@ -9825,6 +9864,11 @@ sub init_user_environment {
 	    }
 	}
 
+        foreach my $tool ('aboutme','blog','portfolio') {
+            $userenv{'availabletools.'.$tool} = 
+                &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
+        }
+
 	$env{'user.environment'} = "$lonids/$cookie.id";
 	
 	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
@@ -9863,7 +9907,7 @@ 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) {
@@ -9890,11 +9934,13 @@ sub get_annotation {
 }
 
 sub clean_symb {
-    my ($symb) = @_;
+    my ($symb,$delete) = @_;
 
     &Apache::lonenc::check_decrypt(\$symb);
     my $enc = $env{'request.enc'};
-    delete($env{'request.enc'});
+    if ($delete) {
+        delete($env{'request.enc'});
+    }
 
     return ($symb,$enc);
 }