--- loncom/interface/lonmenu.pm	2005/08/16 16:36:08	1.159
+++ loncom/interface/lonmenu.pm	2006/03/16 22:12:17	1.166
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.159 2005/08/16 16:36:08 albertel Exp $
+# $Id: lonmenu.pm,v 1.166 2006/03/16 22:12:17 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -64,7 +64,8 @@ sub initlittle {
                                                     'Roles':'Courses'),
                                        'docs' => 'Course Documents',
                                        'exit' => 'Exit',
-				       'launch' => 'Launch Remote Control');
+				       'launch' => 'Launch Remote Control',
+                                       'groups' => 'Groups');
 }
 
 # ============================= This gets called at the top of the body section
@@ -78,10 +79,12 @@ sub menubuttons {
 					    ['inhibitmenu']);
     if (($env{'form.inhibitmenu'} eq 'yes') ||
         ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
-
+    my %lt=&initlittle();
     my $navmaps='';
     my $reloadlink='';
     my $docs='';
+    my $groups='';
+    my $showgroups=0;
     my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
     my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
     my $face= 'face="Arial,Helvetica,sans-serif"';
@@ -92,9 +95,20 @@ sub menubuttons {
             $escurl = &Apache::lonnet::escape($returnurl);
         }
     }
+    if ($env{'request.course.id'}) {
+        my %coursegroups;
+        my $viewgrps_permission =                                                
+                     &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
+        if (!$viewgrps_permission) {
+            %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
+        }
+        if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
+            $showgroups = 1;
+        }
+    }
+
     if ($env{'browser.interface'} eq 'textual') {
 # Textual display only
-	my %lt=&initlittle();
         $pgbg='#FFFFFF';
         $tabbg='#FFFFFF';
 	$font='#000000';
@@ -115,6 +129,12 @@ ENDRELOAD
 <a href="/adm/coursedocs" target="_top"><font $face color="$font">$lt{'docs'}</font></a>
 ENDDOCS
             }
+            if ($showgroups) {
+                $groups =(<<ENDGROUPS);
+<td bgcolor="$tabbg">
+<a href="/adm/coursegroups" target="_top"><font $face color="$font">$lt{'groups'}</font></a></td>
+ENDGROUPS
+            }
 	}
         my $form=&serverform();
         my $utility=&utilityfunctions();
@@ -124,7 +144,7 @@ ENDDOCS
 $utility
 </script>
 <a href="/adm/menu" target="_top">$lt{'main'}</a>
-$reloadlink $navmaps $docs
+$reloadlink $navmaps $docs $groups
 <a href="/adm/roles" target="_top"><font $face color="$font">$lt{'roles'}</font></a>
 <a href="/adm/logout" target="_top"><font $face color="$font">$lt{'exit'}</font></a>
 <br />
@@ -190,9 +210,15 @@ ENDNAV
 	    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
 		$docs=(<<ENDDOCS);
 <td bgcolor="$tabbg">
-<a href="/adm/coursedocs"><font $face color="$font">$lt{'docs'}</font></a></td>
+<a href="/adm/coursedocs" target="_top"><font $face color="$font">$lt{'docs'}</font></a></td>
 ENDDOCS
             }
+            if ($showgroups) {
+                $groups =(<<ENDGROUPS);
+<td bgcolor="$tabbg">
+<a href="/adm/coursegroups" target="_top"><font $face color="$font">$lt{'groups'}</font></a></td>
+ENDGROUPS
+            }
 	    if (
 		($env{'request.noversionuri'}=~m[^/(res|public)/] &&
 		 $env{'request.symb'} eq '')
@@ -210,6 +236,13 @@ ENDDOCS
 ENDRELOAD
             }
         }
+	if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
+	    my $escreload=&Apache::lonnet::escape('return:');
+	    $reloadlink=(<<ENDCRELOAD);
+<td bgcolor="$tabbg">
+<a href="/adm/flip?postdata=$escreload" target="_top"><font $face color="$font">$lt{'ret'}</font></a></td>
+ENDCRELOAD
+        }
         my $reg='';
         if ($registration) {
            $reg=&innerregister($forcereg,$target,$titletable);
@@ -233,6 +266,7 @@ $utility
 $reloadlink
 $navmaps
 $docs
+$groups
 <td bgcolor="$tabbg">
 <a href="/adm/remote?action=launch&amp;url=$escurl" target="_top">
 <font $face color="$font">$lt{'launch'}</font></a></td>
@@ -363,7 +397,7 @@ sub innerregister {
 
         my $hwkadd='';
         if ($env{'request.symb'} ne '' &&
-	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
 		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
                        "gocmd('/adm/grades','gradingmenu')",
@@ -1102,15 +1136,20 @@ function gocstr(url,filename) {
                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
             }
             if (this.document.lonhomework.problemtype) {
-                for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
-                    if (this.document.lonhomework.problemtype.options[i].selected) {
-                        if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
-                            this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
-                        }
-                    }
-                }
-            }
-        }
+		if (this.document.lonhomework.problemtype.value) {
+		    this.document.cstrprint.problemtype.value = 
+			this.document.lonhomework.problemtype.value;
+		} else if (this.document.lonhomework.problemtype.options) {
+		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
+			if (this.document.lonhomework.problemtype.options[i].selected) {
+			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
+				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
+				}
+			}
+		    }
+		}
+	    }
+	}
         this.document.cstrprint.submit();
         return;
     }
@@ -1186,6 +1225,7 @@ sub get_nav_status {
 
 sub handler {
     my $r = shift;
+    &Apache::loncommon::no_cache($r);
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
     return OK if $r->header_only;
@@ -1195,7 +1235,6 @@ sub handler {
 	$env{'browser.interface'} ne 'textual') {
 	$form=&serverform();
     }
-    my $bodytag=&Apache::loncommon::bodytag('Main Menu');
     my $function='student';
     if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
 	$function='coordinator';
@@ -1225,40 +1264,32 @@ ENDSCRIPT
 	$env{'browser.interface'}='faketextual';
 	$env{'environment.remote'}='off';
     }
-    my $html=&Apache::lonxml::xmlbegin();
-    $r->print(<<ENDHEADER);
-$html
-<head>
-<title>LON-CAPA Main Menu</title>
-$script_tag
-</head>
-$bodytag
-ENDHEADER
+    $r->print(&Apache::loncommon::start_page('Main Menu'));
     $r->print('<table>'.&inlinemenu().'</table>'.$form);
-    $r->print('</body></html>');
+    $r->print(&Apache::loncommon::end_page());
     return OK;
 }
 
 # ================================================================ Main Program
 
 BEGIN {
-  if (! defined($readdesk)) {
-   {
-    my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
-    if ( CORE::open( my $config,"<$tabfile") ) {
-        while (my $configline=<$config>) {
-            $configline=(split(/\#/,$configline))[0];
-            $configline=~s/^\s+//;
-            chomp($configline);
-            if ($configline) {
-                $desklines[$#desklines+1]=$configline;
-            }
-        }
-        CORE::close($config);
+    if (! defined($readdesk)) {
+	{
+	    my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
+	    if ( CORE::open( my $config,"<$tabfile") ) {
+		while (my $configline=<$config>) {
+		    $configline=(split(/\#/,$configline))[0];
+		    $configline=~s/^\s+//;
+		    chomp($configline);
+		    if ($configline) {
+			push(@desklines,$configline);
+		    }
+		}
+		CORE::close($config);
+	    }
+	}
+	$readdesk='done';
     }
-   }
-   $readdesk='done';
-  }
 }
 
 1;