--- loncom/auth/lonroles.pm	2009/07/24 02:00:28	1.230
+++ loncom/auth/lonroles.pm	2010/01/02 18:49:20	1.231.4.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.230 2009/07/24 02:00:28 raeburn Exp $
+# $Id: lonroles.pm,v 1.231.4.6 2010/01/02 18:49:20 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -158,12 +158,8 @@ sub redirect_user {
 	$navwindow.=&Apache::lonnavmaps::close();
     }
 
-    # Breadcrumbs
-    my $brcrum = [{'href' => $url,
-                   'text' => 'Switching Role'},];
     my $start_page = &Apache::loncommon::start_page('Switching Role',undef,
-                                                    {'redirect' => [1,$url],
-                                                     'bread_crumbs' => $brcrum,});
+                                                    {'redirect' => [1,$url]});
     my $end_page   = &Apache::loncommon::end_page();
 
 # Note to style police: 
@@ -189,25 +185,17 @@ sub error_page {
     &Apache::loncommon::no_cache($r);
     $r->send_http_header;
     return OK if $r->header_only;
-    # Breadcrumbs
-    my $brcrum = [{'href' => $dest,
-                   'text' => 'Problems during Course Initialization'},];
-    $r->print(&Apache::loncommon::start_page('Problems during Course Initialization',
-                                             undef,
-                                             {'bread_crumbs' => $brcrum,})
-    );
-    $r->print(
+    $r->print(&Apache::loncommon::start_page('Problems during Course Initialization').
         '<script type="text/javascript">'.
         '// <![CDATA['.
         &Apache::lonmenu::rawconfig().
         '// ]]>'.
         '</script>'.
 	      '<p class="LC_error">'.&mt('The following problems occurred:').
-          '<br />'.
+              '<br />'.
 	      $error.
-	      '</p><br /><a href="'.$dest.'">'.&mt('Continue').'</a>'
-    );
-    $r->print(&Apache::loncommon::end_page());
+	      '</p><br /><a href="'.$dest.'">'.&mt('Continue').'</a>'.
+              &Apache::loncommon::end_page());
 }
 
 sub handler {
@@ -238,7 +226,7 @@ sub handler {
             # Check if user is CC trying to select a course role
             if ($env{'form.switchrole'}) {
                 if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
-                    &adhoc_course_role($then);
+                    &adhoc_course_role($refresh,$then);
                 }
             }
 	    my %temp=('logout_'.$env{'request.course.id'} => time);
@@ -671,11 +659,12 @@ ENDHEADER
             if ($reinit) {
                 $r->print(
  '<h3><span class="LC_error">'.
- &mt('As your session file for the course has expired, you will need to re-select the course.').'</span></h3>');
+ &mt('As your session file for the course or community has expired, you will need to re-select the course.').'</span></h3>');
             } else {
 	        $r->print(
  '<h3><span class="LC_error">'.
- &mt('You need to choose another user role or enter a specific course for this function').'</span></h3>');
+ &mt('You need to choose another user role or enter a specific course or community for this function.').
+ '</span></h3>');
 	    }
         }
     }
@@ -712,18 +701,32 @@ ENDHEADER
             &queued_selfenrollment($r);
             my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
             my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&'); 
-            $r->print('<p>'.&mt('[_1]Visit the [_2]Course Catalog[_3] to view all [_4] LON-CAPA courses.','<b>','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a></b>',$domdesc).'<br />'.&mt('If a course is [_1]not[_2] in your list of current courses below, you may be able to enroll if self-enrollment is permitted.','<b>','</b>').'</p>');
+
+            $r->print(
+                '<p>'
+               .&mt('[_1]Visit the [_2]Course/Community Catalog[_3]'
+                   .' to view all [_4] LON-CAPA courses and communities.'
+                   ,'<b>'
+                   ,'<a href="/adm/coursecatalog?showdom='.$esc_dom.'">'
+                   ,'</a></b>',$domdesc)
+               .'<br />'
+               .&mt('If a course or community is [_1]not[_2] in your list of current courses and communities below,'
+                   .' you may be able to enroll if self-enrollment is permitted.'
+                   ,'<b>','</b>')
+               .'</p>'
+            );
         }
     }
 
 # No active roles
     if ($countactive==0) {
 	if ($inrole) {
-	    $r->print('<h2>'.&mt('Currently no additional roles or courses').'</h2>');
+	    $r->print('<h2>'.&mt('Currently no additional roles, courses or communities').'</h2>');
 	} else {
-	    $r->print('<h2>'.&mt('Currently no active roles or courses').'</h2>');
+	    $r->print('<h2>'.&mt('Currently no active roles, courses or communities').'</h2>');
 	}
         &findcourse_advice($r);
+        &requestcourse_advice($r);
 	$r->print('</form>');
         if ($countfuture) {
             $r->print(&mt('The following [quant,_1,role,roles] will become active in the future:',$countfuture));
@@ -843,12 +846,12 @@ ENDHEADER
     $r->print(&Apache::lonnet::getannounce());
     if ($advanced) {
         my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
-	$r->print('<p><small><i>'
-                 .&mt('This is LON-CAPA [_1]',$r->dir_config('lonVersion'))
-		 .'</i><br />'
-		 .'<a href="/adm/logout">'.&mt('Logout').'</a>&nbsp;&nbsp;'
+        $r->print('<p><small><i>'
+                 .&mt('This LON-CAPA server is version [_1]',$r->dir_config('lonVersion'))
+                 .'</i><br />'
+                 .'<a href="/adm/logout">'.&mt('Logout').'</a>&nbsp;&nbsp;'
                  .'<a href="/adm/coursecatalog?showdom='.$esc_dom.'">'
-                 .&mt('Course Catalog')
+                 .&mt('Course/Community Catalog')
                  .'</a></small></p>');
     }
     $r->print(&Apache::loncommon::end_page());
@@ -1157,12 +1160,66 @@ sub findcourse_advice {
     } else {
         $r->print(&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'<br />');
     }
-    $r->print('<p>'.&mt('The [_1]Course Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');
-    $r->print(&mt('You can search the course catalog for courses which permit self-enrollment, if you would like to enroll in a course.').'</p>');
+    $r->print('<h3>'.&mt('Self-Enrollment').'</h3>'.
+              '<p>'.&mt('The [_1]Course/Community Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created, as well as any communities in the domain.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');
+    $r->print(&mt('You can search for courses and communities which permit self-enrollment, if you would like to enroll in one.').'</p>');
     &queued_selfenrollment($r);
     return;
 }
 
+sub requestcourse_advice {
+    my ($r) = @_;
+    my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
+    my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
+    my (%can_request,%request_doms);
+    &Apache::lonnet::check_can_request($env{'user.domain'},\%can_request,\%request_doms);
+    if (keys(%request_doms) > 0) {
+        my ($types,$typename) = &Apache::loncommon::course_types();
+        if ((ref($types) eq 'ARRAY') && (ref($typename) eq 'HASH')) {
+            $r->print('<h3>'.&mt('Request creation of a course or community').'</h3>'.
+                      '<p>'.&mt('You have rights to request the creation of courses and/or communities in the following domain(s):').'<ul>');
+            my (@reqdoms,@reqtypes);
+            foreach my $type (sort(keys(%request_doms))) {
+                push(@reqtypes,$type);
+                if (ref($request_doms{$type}) eq 'ARRAY') {
+                    my $domstr = join(', ',map { &Apache::lonnet::domain($_) } sort(@{$request_doms{$type}}));
+                    $r->print(
+                        '<li>'
+                       .&mt('[_1]'.$typename->{$type}.'[_2] in domain: [_3]',
+                            '<i>',
+                            '</i>',
+                            '<b>'.$domstr.'</b>')
+                       .'</li>'
+                    );
+                    foreach my $dom (@{$request_doms{$type}}) {
+                        unless (grep(/^\Q$dom\E/,@reqdoms)) {
+                            push(@reqdoms,$dom);
+                        }
+                    }
+                }
+            }
+            my @showtypes;
+            foreach my $type (@{$types}) {
+                if (grep(/^\Q$type\E$/,@reqtypes)) {
+                    push(@showtypes,$type);
+                }
+            }
+            my $requrl = '/adm/requestcourse';
+            if (@reqdoms == 1) {
+                $requrl .= '?showdom='.$reqdoms[0];
+            }
+            if (@showtypes > 0) {
+                $requrl.=(($requrl=~/\?/)?'&':'?').'crstype='.$showtypes[0];
+            }
+            if (@reqdoms == 1 || @showtypes > 0) {
+                $requrl .= '&state=crstype&action=new';
+            }
+            $r->print('</ul>'.&mt('Use the [_1]request form[_2] to submit a request for creation of a new course or community.','<a href="'.$requrl.'">','</a>').'</p>');
+        }
+    }
+    return;
+}
+
 sub queued_selfenrollment {
     my ($r) = @_;
     my %selfenrollrequests = &Apache::lonnet::dump('selfenrollrequests');
@@ -1384,21 +1441,21 @@ sub check_fordc {
 }
 
 sub adhoc_course_role {
-    my ($then) = @_; 
+    my ($refresh,$then) = @_;
     my ($cdom,$cnum);
     $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-    if (&check_forcc($cdom,$cnum,$then)) {
+    if (&check_forcc($cdom,$cnum,$refresh,$then)) {
         my $setprivs;
         if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
             $setprivs = 1;
         } else {
             my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
-            if (($start && ($start>$then || $start == -1)) ||
+            if (($start && ($start>$refresh || $start == -1)) ||
                 ($end && $end<$then)) {
                 $setprivs = 1;
             }
-        } 
+        }
         if ($setprivs) {
             if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)([\w/]*)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
                 my $role = $1;
@@ -1428,7 +1485,7 @@ sub adhoc_course_role {
                 }
                 &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,$area);
                 &Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups);
-                my $adhocstart = $then-1;
+                my $adhocstart = $refresh-1;
                 $userroles{'user.role.'.$spec} = $adhocstart.'.';
                 &Apache::lonnet::appenv(\%userroles,[$role,'cm']);
             }
@@ -1438,7 +1495,7 @@ sub adhoc_course_role {
 }
 
 sub check_forcc {
-    my ($cdom,$cnum,$then) = @_;
+    my ($cdom,$cnum,$refresh,$then) = @_;
     my $is_cc;
     if ($cdom ne '' && $cnum ne '') {
         if (&Apache::lonnet::is_course($cdom,$cnum)) {
@@ -1446,7 +1503,7 @@ sub check_forcc {
             if (defined($env{$envkey})) {
                 $is_cc = 1;
                 my ($tstart,$tend)=split(/\./,$env{$envkey});
-                if ($tstart && $tstart>$then) { $is_cc = 0; }
+                if ($tstart && $tstart>$refresh) { $is_cc = 0; }
                 if ($tend   && $tend  <$then) { $is_cc = 0; }
             }
         }
@@ -1469,8 +1526,8 @@ sub courselink {
 
 sub coursepick_jscript {
     my %lt = &Apache::lonlocal::texthash(
-                  plsu => "Please use the 'Select Course' link to open a separate pick course window where you may select the course you wish to enter.",
-                  youc => 'You can only use this screen to select courses in the current domain.',
+                  plsu => "Please use the 'Select Course/Community' link to open a separate pick course window where you may select the course or community you wish to enter.",
+                  youc => 'You can only use this screen to select courses and communities in the current domain.',
              );
     my $verify_script = <<"END";
 <script type="text/javascript">