--- loncom/interface/loncommon.pm	2008/12/15 08:28:23	1.692.2.5
+++ loncom/interface/loncommon.pm	2009/01/12 04:39:30	1.692.2.12
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.692.2.5 2008/12/15 08:28:23 raeburn Exp $
+# $Id: loncommon.pm,v 1.692.2.12 2009/01/12 04:39:30 raeburn 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) .
-							   '</td><td>';
-    }
-    return '<table><tr><td>'.
-	$addOther .
-	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
-	                                    undef,undef,600)
-	.'</td></tr></table>';
+    if ($topic) {
+	$addOther = Apache::loncommon::help_open_topic($topic,$text,
+						       undef, undef, 600).
+							'</td><td>';
+    }
+    $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 {
@@ -2717,6 +2723,42 @@ 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
@@ -3171,7 +3213,7 @@ 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) ||
@@ -4598,7 +4640,7 @@ table#LC_mainmenu td.LC_mainmenu_column
 .LC_menubuttons_link {
   text-decoration: none;
 }
-#2008--9-5: new menu style sheet.Changed category
+/*2008--9-5: new menu style sheet.Changed category*/
 .LC_menubuttons_category {
   color: $font;
   background: $pgbg;
@@ -9030,7 +9072,9 @@ sub construct_course {
                    'policy.email',
                    'comment.email',
                    'pch.users.denied',
-                   'plc.users.denied'],
+                   'plc.users.denied',
+                   'hidefromcat',
+                   'categories'],
                    $$crsudom,$$crsunum);
     }
 
@@ -9488,6 +9532,11 @@ 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",
@@ -9526,7 +9575,7 @@ 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) {
@@ -9553,11 +9602,13 @@ 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);
 }