--- loncom/interface/loncommon.pm	2006/05/12 02:17:50	1.370
+++ loncom/interface/loncommon.pm	2006/05/30 20:05:05	1.377
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.370 2006/05/12 02:17:50 www Exp $
+# $Id: loncommon.pm,v 1.377 2006/05/30 20:05:05 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -386,10 +386,11 @@ sub selectstudent_link {
 
 sub coursebrowser_javascript {
     my ($domainfilter)=@_;
+    my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
    return (<<ENDSTDBRW);
 <script type="text/javascript" language="Javascript" >
     var stdeditbrowser;
-    function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag) {
+    function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
         var url = '/adm/pickcourse?';
         var filter;
         if (filter != null) {
@@ -415,6 +416,18 @@ sub coursebrowser_javascript {
         if (multflag !=null && multflag != '') {
             url += '&multiple='+multflag;
         }
+        if (crstype == 'Course/Group') {
+            if (formname == 'cu') {
+                crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value; 
+                if (crstype == "") {
+                    alert("$crs_or_grp_alert");
+                    return;
+                }
+            }
+        }
+        if (crstype !=null && crstype != '') {
+            url += '&type='+crstype;
+        }
         var title = 'Course_Browser';
         var options = 'scrollbars=1,resizable=1,menubar=0';
         options += ',width=700,height=600';
@@ -426,9 +439,9 @@ ENDSTDBRW
 }
 
 sub selectcourse_link {
-   my ($form,$unameele,$udomele,$desc,$extra_element,$multflag)=@_;
+   my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
     return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'");'."'>".&mt('Select Course')."</a>";
+        '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select [_1]',$selecttype)."</a>";
 }
 
 sub check_uncheck_jscript {
@@ -2608,10 +2621,7 @@ sub timehash {
 
 sub utc_string {
     my ($date)=@_;
-    my @utctime=gmtime($date);
-    my $year=$utctime[5]+1900;
-    my $month=$utctime[4]+1;
-    return "$year$month$utctime[3]T$utctime[2]$utctime[1]$utctime[0]Z";
+    return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
 }
 
 sub maketime {
@@ -2820,6 +2830,12 @@ sub bodytag {
 	&Apache::lonnet::plaintext((split(/\./,$env{'request.role'}))[0]);
 # realm
     if ($env{'request.course.id'}) {
+        my $type = $env{'course.'.$env{'request.course.id'}.'.type'};
+        if ($type eq 'Group') {
+            if ($env{'request.role'} !~ /^cr/) { # Change role name if Group
+                $role = &convert_role($role,$type);  
+            }
+        } 
 	$realm = $env{'course.'.$env{'request.course.id'}.'.description'};
     }
     if (!$realm) { $realm='&nbsp;'; }
@@ -3131,7 +3147,7 @@ table#LC_title_bar {
   padding: 0px 2px 0px 2px;
   background: $pgbg;
   font-family: $sans;
-  border-collapse: collapse;
+  border-collapse: separate;
 }
 table#LC_title_bar.LC_with_remote {
   width: 100%;
@@ -3168,7 +3184,7 @@ table#LC_menubuttons_mainmenu {
   background: $pgbg;
   border: 0px;
   border-spacing: 1px;
-  padding: 0px;
+  padding: 0px 1px;
   margin: 0px;
   border-collapse: separate;
 }
@@ -3557,7 +3573,6 @@ Inputs:         $args - additional optio
 
 sub end_page {
     my ($args) = @_;
-    #&Apache::lonnet::logthis("end_page ".join(':',caller(0)));
     $env{'internal.end_page'}++;
     my $result;
     if ($args->{'discussion'}) {
@@ -3600,7 +3615,7 @@ sub js_ready {
     $result =~ s/[\n\r]/ /xmsg;
     $result =~ s/\\/\\\\/xmsg;
     $result =~ s/'/\\'/xmsg;
-    $result =~ s{</script>}{</scrip'+'t>}xmsg;
+    $result =~ s{</}{<\\/}xmsg;
     
     return $result;
 }
@@ -3713,7 +3728,7 @@ specific user. Roles can be active, prev
 
 Inputs: 
 user's domain, user's username, course's domain,
-course's number, optional section/group.
+course's number, optional section ID.
 
 Outputs:
 role status: active, previous or future. 
@@ -3764,13 +3779,14 @@ sub check_user_status {
 
 Determines all the sections for a course including
 sections with students and sections containing other roles.
-Incoming parameters: domain, course number, reference to 
-section hash (keys to be section/group IDs), reference to 
-array containing roles for which sections should be gathered
-(optional). If the fourth argument is undefined, sections
-are gathered for any role.
+Incoming parameters: domain, course number, 
+reference to array containing roles for which sections should 
+be gathered (optional). If the third argument is undefined,
+sections are gathered for any role.
  
-Returns number of sections.
+Returns section hash (keys are section IDs, values are
+number of users in each section), subject to the
+optional roles filter.
 
 =cut
 
@@ -3818,152 +3834,6 @@ sub get_sections {
 }
 
 ###############################################
-                                                                                  
-=pod
-                                                                                  
-=item coursegroups
-
-Retrieve information about groups in a course,
-
-Input:
-1. Reference to hash to populate with group information. 
-2. Optional course domain
-3. Optional course number
-4. Optional group name
-
-Course domain and number will be taken from user's
-environment if not supplied. Optional group name will'
-be passed to lonnet::get_coursegroups() as a regexp to
-use in the call to the dump function.
-
-Output
-Returns number of groups in the course (subject to the
-optional group name filter).
-
-Side effects:
-Populates the referenced curr_groups hash, with key,
-value pairs. Keys are group names, corresponding values
-are scalars containing group information in XML. This
-can be sent to &get_group_settings() to be parsed.     
-
-=cut 
-
-###############################################
-
-sub coursegroups {
-    my ($cdom,$cnum,$group) = @_;
-    if (!defined($cdom) || !defined($cnum)) {
-        my $cid =  $env{'request.course.id'};
-
-	return if (!defined($cid));
-
-        $cdom = $env{'course.'.$cid.'.domain'};
-        $cnum = $env{'course.'.$cid.'.num'};
-    }
-    my %curr_groups = &Apache::lonnet::get_coursegroups($cdom,$cnum,$group);
-    my ($tmp) = keys(%curr_groups);
-    if ($tmp=~/^(con_lost|no_such_host|error: [^2] )/) {
-	undef(%curr_groups);
-	&logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.$cdom);
-    } elsif ($tmp=~/^error: 2 /) {
-	undef(%curr_groups);
-    }
-    return %curr_groups;
-}
-
-###############################################
-
-=pod
-
-=item get_group_settings
-
-Uses TokeParser to extract group information from the
-XML used to describe course groups.
-
-Input:
-Scalar containing XML  - as retrieved from &coursegroups().
-
-Output:
-Hash containing group information as key=values for (a), and
-hash of hashes for (b)
-
-Keys (in two categories):
-(a) groupname, creator, creation, modified, startdate,enddate.
-Corresponding values are name of the group, creator of the group
-(username:domain), UNIX time for date group was created, and
-settings were last modified, and default start and end access
-times for group members.
-
-(b) functions returned in hash of hashes.
-Outer hash key is functions.
-Inner hash keys are chat,discussion,email,files,homepage,roster.
-Corresponding values are either on or off, depending on
-whether this type of functionality is available for the group.
-
-=cut
-                                                                                 
-###############################################
-
-sub get_group_settings {
-    my ($groupinfo)=@_;
-    my $parser=HTML::TokeParser->new(\$groupinfo);
-    my $token;
-    my $tool = '';
-    my $role = '';
-    my %content=();
-    while ($token=$parser->get_token) {
-        if ($token->[0] eq 'S')  {
-            my $entry=$token->[1];
-            if ($entry eq 'functions' || $entry eq 'autosec') {
-                %{$content{$entry}} = ();
-                $tool = $entry;
-            } elsif ($entry eq 'role') {
-                if ($tool eq 'autosec') {
-                    $role = $token->[2]{id};
-                }
-            } else {
-                my $value=$parser->get_text('/'.$entry);
-                if ($entry eq 'name') {
-                    if ($tool eq 'functions') {
-                        my $function = $token->[2]{id};
-                        $content{$tool}{$function} = $value;
-                    }
-                } elsif ($entry eq 'groupname') {
-                    $content{$entry}=&unescape($value);
-                } elsif (($entry eq 'roles') || ($entry eq 'types') ||
-                         ($entry eq 'sectionpick') || ($entry eq 'defpriv')) {
-                    push(@{$content{$entry}},$value);
-                } elsif ($entry eq 'section') {
-                    if ($tool eq 'autosec'  && $role ne '') {
-                        push(@{$content{$tool}{$role}},$value);
-                    }
-                } else {
-                    $content{$entry}=$value;
-                }
-            }
-        } elsif ($token->[0] eq 'E') {
-            if ($token->[1] eq 'functions' || $token->[1] eq 'autosec') {
-                $tool = '';
-            } elsif ($token->[1] eq 'role') {
-                $role = '';
-            }
-
-        }
-    }
-    return %content;
-}
-
-sub check_group_access {
-    my ($group) = @_;
-    my $access = 1;
-    my $now = time;
-    my ($start,$end) = split(/\./,$env{'user.role.gr/'.$env{'request.course,id'}.'/'.$group});
-    if (($end!=0) && ($end<$now)) { $access = 0; }
-    if (($start!=0) && ($start>$now)) { $access=0; }
-    return $access;
-}
-
-###############################################
 
 =pod
                                                                                 
@@ -5028,6 +4898,7 @@ a hash ref describing the data to be sto
     'chartoutputmode' => 'scalar',
     'chartoutputdata' => 'scalar',
     'Section' => 'array',
+    'Group' => 'array',
     'StudentData' => 'array',
     'Maps' => 'array');
 
@@ -5110,15 +4981,16 @@ sub restore_course_settings {
 ############################################################
 ############################################################
 
-sub propath {
-    my ($udom,$uname)=@_;
-    $udom=~s/\W//g;
-    $uname=~s/\W//g;
-    my $subdir=$uname.'__';
-    $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
-    my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
-    return $proname;
-} 
+sub convert_role {
+    my ($rolename,$type) = @_;
+    if ($type eq 'Group') {
+        $rolename =~ s/Course/Group/;
+        $rolename =~ s/Instructor/Leader/;
+        $rolename =~ s/Teaching Assistant/Assistant Leader/;
+        $rolename =~ s/Student/Member/;
+    }
+    return $rolename;
+}
 
 sub icon {
     my ($file)=@_;