--- loncom/interface/lonsyllabus.pm	2009/04/21 17:54:27	1.87
+++ loncom/interface/lonsyllabus.pm	2013/05/19 15:48:51	1.128
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Syllabus
 #
-# $Id: lonsyllabus.pm,v 1.87 2009/04/21 17:54:27 neumanie Exp $
+# $Id: lonsyllabus.pm,v 1.128 2013/05/19 15:48:51 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -52,37 +52,110 @@ sub handler {
     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
 # ------------------------------------------------------------ Get query string
     &Apache::loncommon::get_unprocessed_cgi
-                        ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit','wrapperdisplay']);
+                        ($ENV{'QUERY_STRING'},['register','forceedit','todocs',
+                                               'folderpath','title']);
 # ----------------------------------------------------- Is this even a course?
     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
     if ($homeserver eq 'no_host') {
         &Apache::loncommon::content_type($r,'text/html');
         $r->send_http_header;
-      	&Apache::loncommon::simple_error_page($r,'No syllabus available',
-					      'No syllabus available');
+        &Apache::loncommon::simple_error_page($r,'No syllabus available',
+                          'No syllabus available');
+        return OK;
+    } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) {
+        &Apache::loncommon::content_type($r,'text/html');
+        $r->send_http_header;
+        &Apache::loncommon::simple_error_page($r,'No syllabus available',
+                          'The course/community for which the syllabus was requested does not exist.');
         return OK;
     }
 # ------------------------------------- There is such a course, get environment
     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
+    my $crstype = &Apache::loncommon::course_type();
 
 # ------------------------------------------------------------ Print the screen
 
     if ($target eq 'tex') {
-	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
+        $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
+    }
+
+# --------------------------------------------------------------- Force Student
+    my ($forceedit,$forcestudent);
+    if ($env{'form.forceedit'}) { $forceedit=1; }
+    if (!$forceedit) {
+        $forcestudent=1;
+    }
+
+# --------------------------------------------------------------- Check Privileges
+    my $allowed = 0;
+    if ($env{'user.environment'}) {
+# does this user have privileges to post, etc?
+        if ($env{'request.course.id'}
+        && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
+        && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
+            $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+            if ($forcestudent or $target eq 'tex') { $allowed=0; }
+        }
     }
-# -------------------------------------------------- Let's see who handles this
-    my $externalsyllabus=$courseenv{'externalsyllabus'};
 
-    if ($externalsyllabus=~/\w/) {
+# -------------------------------------------------- Let's see who handles this
+    my $external=$courseenv{'externalsyllabus'};
+    my $uploaded=$courseenv{'uploadedsyllabus'};
+    my $minimal=$courseenv{'minimalsyllabus'};
+
+    if (($minimal =~/\w/) || ($uploaded =~/\w/)) { 
+        my $item;
+        if ($minimal =~/\w/) {
+            if ($external =~ m{\Q$minimal\E$}) {
+                undef($external);
+            }
+            $item = $minimal;
+        } elsif ($uploaded =~/\w/) {
+            if ($external =~ m{\Q$uploaded\E$}) {
+                undef($external);
+            }
+            $item = $uploaded;
+        }
+        unless ($allowed && $forceedit) {
+            my $file=&Apache::lonnet::filelocation("",$item);
+            if ($file =~ /\.(tex|x?html?)$/) {  
+                my $filetype = $1;
+                my $filecontents=&Apache::lonnet::getfile($file);
+                if ($filecontents eq -1) {
+                    $r->print(&mt('Syllabus file unavailable'));
+                } elsif ($filetype eq 'tex') {
+                    my $result = &Apache::lontexconvert::converted(\$filecontents,
+                                                                $env{'form.texengine'});
+                    my %args;
+                    &get_breadcrumbs($cdom,$cnum,$crstype,\%args);
+                    $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args).
+                              $result.
+                              &Apache::loncommon::end_page());
+                } else {
+                    my %mystyle;
+                    &Apache::structuretags::reset_problem_globals();
+                    my $oldfile = $env{'request.filename'};
+                    $env{'request.filename'} = $item;
+                    my $result = &Apache::lonxml::xmlparse($r,'web',$filecontents,
+                                                           '',%mystyle);
+                    &Apache::structuretags::reset_problem_globals();
+                    &Apache::lonhomework::finished_parsing();
+                    $env{'request.filename'} = $oldfile;
+                    &Apache::lonxml::add_messages(\$result);
+                    $r->print($result);
+                }
+            } else {
+                $r->print(&Apache::lonwrapper::wrapper($item));
+            }
+            return OK;
+        }
+    } elsif ($external=~/\w/) {
+        unless ($allowed && $forceedit) {
+            $r->print(&Apache::lonwrapper::wrapper($external));
+            return OK;
+        }
+    }
 
-       if ($env{'form.wrapperdisplay'} eq 'menu') {
-	   $r->print(&Apache::lonwrapper::simple_menu());
-       } else {
-	   $r->print(&Apache::lonwrapper::wrapper("/public/$cdom/$cnum/syllabus?wrapperdisplay=menu",
-						   $externalsyllabus));
-       }
-       return OK;
-     }
 
 # ------------------------------ The buck stops here: internal syllabus display
 # --------------------------------------------------------- The syllabus fields
@@ -102,27 +175,327 @@ sub handler {
        'jjj_weblinks'       => 'Web Links',
        'kkk_textbook'       => 'Textbook',
        'lll_includeurl'     => 'URLs To Include in Syllabus');
-# --------------------------------------------------------------- Force Student
-    my $forcestudent='';
-    if ($env{'form.forcestudent'}) { $forcestudent='student'; };
-    my $forceedit='';
-    if ($env{'form.forceedit'}) { $forceedit='edit'; }
+# ---------------------------------------------------------- Load syllabus info
+    my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
+    my ($output,%displayfields,%noshow);
 
-# ----------------------------------------------------------------- Make header
+# This handler might be called anonymously ...
+# ----------------------------------------------------- Only if not public call
+    if ($allowed) {
+        if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
+            ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
+            my $earlyout;
+            ($earlyout,$uploaded,$external,$minimal,$output) =
+                &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
+                              \%syllabus,\%syllabusfields,\%courseenv);
+            if (($env{'form.choice'} eq 'minimal') && 
+                ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) { 
+                delete($env{'form.symb'});
+                delete($env{'request.symb'});
+                $r->internal_redirect("$minimal?editmode=1&forceedit=1");
+                return OK;
+            }
+            if ($earlyout) {
+                if ($target ne 'tex') {
+                    &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
+                                  \%syllabus,\%syllabusfields);
+                    $r->print($output.
+                              &Apache::loncommon::end_page());
+                }
+                return OK;
+            }
+        }
+    }
+    if ($target ne 'tex') {
+        &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
+                      \%syllabusfields);
+        $r->print($output);
+    }
+
+# -------------------------------------------- Determine which fields are shown 
+
+    if ($syllabus{'uploaded.fields'}) {
+        if ($syllabus{'uploaded.fields'} eq 'none') {
+            foreach my $field (keys(%syllabusfields)) {
+                $displayfields{$field} = ' style="display:none;"';
+                $noshow{$field} = 1;
+            }
+        } else {
+            my %included;
+            map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
+            foreach my $field (keys(%syllabusfields)) {
+                my ($prefix) = split(/_/,$field);
+                if ($included{$prefix}) {
+                    $displayfields{$field} = ' style="display:block;"';
+                } else {
+                    $displayfields{$field} = ' style="display:none;"';
+                    $noshow{$field} = 1;
+                }
+            }
+        }
+    } else {
+        foreach my $field (keys(%syllabusfields)) {
+            if ($syllabus{$field} ne '') {
+                $displayfields{$field} = ' style="display:block;"';
+            } else {
+                $displayfields{$field} = ' style="display:none;"';
+            }
+        }
+    }
+
+    if ($allowed) {
+#---------------------------------- Print External URL Syllabus Info if editing
+        if ($target ne 'tex') {
+            my $protocol = $Apache::lonnet::protocol{$homeserver};
+            $protocol = 'http' if ($protocol ne 'https');
+            my $link = $protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri;
+            $r->print('<div class="LC_left_float">'
+                     .'<span class="LC_help_open_topic LC_info">'
+                     .'<span class="LC_info">'
+                     .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
+                     .'&nbsp;</span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
+                     .'</span>'
+                     .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
+            my $lonhost = $r->dir_config('lonHostID');
+            $r->print(&chooser($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
+                               \%syllabusfields,\%syllabus));
+        }
+    } else {
+#--------------------------------------------- Print last update unless editing
+        my $lastmod=$syllabus{'uploaded.lastmodified'};
+        $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
+        my $who;
+        if ($syllabus{'uploaded.lastmodified'}) {
+            if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
+                $who = &Apache::loncommon::aboutmewrapper(
+                       &Apache::loncommon::plainname($syllabus{'uploaded.name'},
+                       $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
+                       $syllabus{'uploaded.domain'});
+            } else {
+# Public user?
+# Only display name of user, but no link to personal information page
+                $who = &Apache::loncommon::plainname(
+                           $syllabus{'uploaded.name'},
+                           $syllabus{'uploaded.domain'});
+            }
+        }
+        if ($target ne 'tex') {
+            $r->print('<div class="LC_info">'.&mt('Last updated').': '.
+                      $lastmod . ' '.
+                      ($who ? &mt('by').' '.$who
+                           : '' ) .
+                      '</div>' );
+        } else {
+            $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
+                     ($who? &mt('by').'\\\\ '.
+                     &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
+                     :'')
+                    .'\\\\');
+        }
+    }
+
+#-------------------------------------------------------------- Print Headtitle
+    if ($target ne 'tex') {
+        my $display = 'block';
+        if ($external || $uploaded || $minimal) {
+            $display = 'none';
+        }
+        $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
+                   '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
+        if ($allowed) {
+            $r->print('<div style="margin: 0; float:left;">'.
+                      '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
+                      '</div>');
+# Print Help Text if editing at right side of screen
+            $r->print('<div style="margin: 0; float:right;">'.
+                      &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
+                      '</div><br clear="all" />');
+        } else {
+            $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
+        }
+    } else {
+        $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
+        &Apache::lonnet::domain($cdom,'description').'}\\\\');
+    }
+# -------------------------------------------------------- Get course personnel
+    my $hidepersonnel;
+    if (($syllabus{'uploaded.fields'}) &&
+        (($syllabus{'uploaded.fields'} eq 'none') ||
+         ($syllabus{'uploaded.fields'} !~ /000/))) {
+        $hidepersonnel = 1;
+    }
+    if ($target ne 'tex') {
+        if ($allowed) {
+            my $display = ' style="display:block;"';
+            if ($hidepersonnel) {
+                $display = ' style="display:none;"';
+            }
+            &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
+                                                       'box_000_showpeople',$display);
+            $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
+            &Apache::lontemplate::print_end_template($r);
+        } else {
+            unless ($hidepersonnel) {
+                &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
+                $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));  
+                &Apache::lontemplate::print_end_template($r);
+            }
+        }
+    } else {
+        unless ($hidepersonnel) {
+            $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
+        }
+    }
+# -------------------------------------------------------------- Announcements?
+    my $day = &Apache::lonannounce::showday(time,2,
+             &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
+    my $hidefeeds;
+    if (($syllabus{'uploaded.fields'}) &&
+        (($syllabus{'uploaded.fields'} eq 'none') ||
+         ($syllabus{'uploaded.fields'} !~ /111/))) {
+        $hidefeeds = 1;
+    }
+    if ($target ne 'tex') {
+        if ($allowed) {
+            my $display = ' style="display:block;"';
+            if ($hidefeeds) {
+                $display = ' style="display:none;"';
+            }
+            &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
+                                                       'box_111_showrssfeeds',$display);
+            my ($numfeeds,$hiddenfeeds,$rsslinktext);
+            my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
+                                                      \$hiddenfeeds);
+            if ($numfeeds) {
+                $r->print($feeds);
+                $rsslinktext = &mt('New RSS Feed or Blog');
+            } else {
+                my $msg = '<br />'.
+                          &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
+                if ($hiddenfeeds) {
+                    $r->print('<p class="LC_info">'.
+                              &mt('All feeds currently hidden').
+                              $msg.
+                              '</p>');
+                } else {
+                    $r->print('<p class="LC_info">'.
+                              &mt('No current feeds').
+                              $msg.
+                              '</p>');
+                }
+                $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
+                if ($crstype eq 'Community') {
+                    $rsslinktext = &mt('Manage Communiity RSS Feeds/Blogs');
+                }
+            }
+            my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
+            $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
+            &Apache::lontemplate::print_end_template($r);
+        } else {
+            unless ($hidefeeds) {
+                my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
+                if ($feeds ne '') {
+                    &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
+                    $r->print($feeds);
+                    &Apache::lontemplate::print_end_template($r);
+                }
+            }
+        }
+    } else {
+        $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
+    }
+# ---------------------------------------------------------------- Get syllabus
+    if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
+        if ($allowed) {
+            $r->print('<form method="post" action="">');
+        }
+
+		my $url_include_handler = sub {
+			my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
+			my %data = %{$data_ref};
+			my %fields = %{$fields_ref};
+			my $urls=$message;
+			$message='';
+			foreach my $filelink (split(/\n/,$urls)) {
+				my $output='';
+			   # embed style?
+				my ($curfext)=($filelink=~/\.([^\.]+)$/);
+				my $embstyle=&Apache::loncommon::fileembstyle($curfext);
+				if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
+					$output=&Apache::lonnet::ssi_body($filelink);
+				} elsif ($embstyle eq 'img') {# embed as an image
+					$output='<img src="'.$filelink.'" />';
+				}
+				if ($output ne '') {
+					   if ($target ne 'tex') {
+						   $message.='<p>'.$output.'</p>';
+					   } else {
+						   $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
+					   }
+				}
+			}
+			if ($allowed) {
+				 &Apache::lonfeedback::newline_to_br(\$urls);
+				 &Apache::lontemplate::print_start_template($r,$fields{$field}.
+						  &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
+                                                  'box_'.$field,$display);
+				 $r->print($urls);
+				 $r->print("<br /><div>");
+				 &Apache::lontemplate::print_textarea_template($r, $data{$field},
+					$field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
+				 &Apache::lontemplate::print_saveall_template($r);                         
+				 $r->print("</div>");
+				 &Apache::lontemplate::print_end_template($r);
+
+			} else {
+				$r->print($message);
+			}
+		};
+		my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
+		&Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields, 
+			$target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
+                        undef,\%displayfields,\%noshow);
+        if ($allowed) {
+            $r->print('</form>'.
+            &Apache::lonhtmlcommon::htmlareaselectactive());
+        }
+    } else {
+        if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
+        $r->print(&mt('No syllabus information provided.'));
+        if ($target ne 'tex') {$r->print('</p>');}
+    }
     if ($target ne 'tex') {
-	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
-        my $js;
         if ($env{'form.backto'} eq 'coursecatalog') {
-            $js .= <<"ENDSCRIPT";
+            $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
+                      &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
+                      '</form>');
+        }
+        $r->print(&Apache::loncommon::end_page());
+    } else {
+        $r->print('\end{document}');
+    }
+    return OK;
+}
+
+sub print_header {
+    my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
+    return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
+# ----------------------------------------------------------------- Make header
+    my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
+    my $js;
+    if ($env{'form.backto'} eq 'coursecatalog') {
+        $js .= <<"ENDSCRIPT";
 
 <script type="text/javascript">
+// <![CDATA[
+
 function ToCatalog(caller) {
     numidx = getIndexByName('coursenum');
-    if (numidx > -1) {
-        if (caller != 'details') {
-            document.backtocat.elements[numidx].value = '';
+        if (numidx > -1) {
+            if (caller != 'details') {
+                document.backtocat.elements[numidx].value = '';
+            }
         }
-    }
     document.backtocat.submit();
 }
 
@@ -135,316 +508,1061 @@ function getIndexByName(item) {
     return -1;
 }
 
+// ]]>
 </script>
 
 ENDSCRIPT
+    }
+    if ($allowed && $forceedit) {
+        my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
+        my @fieldnames = sort(keys(%{$syllabusfields}));
+        unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
+        my (@checked,@unchecked);
+        if ($syllabus->{'uploaded.fields'} eq 'none') {
+            my $lastidx = scalar(@fieldnames)-1;
+            @unchecked = (0..$lastidx);
+        } elsif ($syllabus->{'uploaded.fields'}) {
+            my %included;
+            map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
+            for (my $i=0; $i<@fieldnames; $i++) {
+                my ($prefix) = split(/_/,$fieldnames[$i]);
+                if ($included{$prefix}) {
+                    push(@checked,$i);
+                } else {
+                    push(@unchecked,$i);
+                }
+            }
+        } else {
+            @checked = (0,1);
+            for (my $i=2; $i<@fieldnames; $i++) {
+                if ($syllabus->{$fieldnames[$i]}) {
+                    push(@checked,$i);
+                } else {
+                    push(@unchecked,$i);
+                }
+            }
         }
-	my $start_page =
-	    &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
-					   {'function'       => $forcestudent,
-					    'domain'         => $cdom,
-					    'force_register' =>
-						$env{'form.register'},});
+        my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
+        my $checkedstr = "var include = new Array('".join("','",@checked)."');";
+        my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
+        my $invurl = &mt('Invalid URL');
+        my $urlregexp = <<'ENDREGEXP';
+/^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i
+ENDREGEXP
 
-	$r->print($start_page);
-        if ($env{'form.backto'} eq 'coursecatalog') {
-            &Apache::lonhtmlcommon::clear_breadcrumbs();
-            &Apache::lonhtmlcommon::add_breadcrumb
-             ({href=>"javascript:ToCatalog()",
-               text=>"Course Catalog"});
-            if ($env{'form.coursenum'} ne '') {
-                &Apache::lonhtmlcommon::add_breadcrumb
-                  ({href=>"javascript:ToCatalog('details')",
-                   text=>"Course details"});
+        $js .= <<"ENDSCRIPT";
+
+<script type="text/javascript">
+// <![CDATA[
+
+function toggleEditor(pick) {
+    var choices = new Array('template','minimal','url','file','templatebox');
+    for (var i=0; i<choices.length; i++) {
+        if (((choices[i] == 'templatebox') && (pick == 'template')) ||
+            (choices[i] == pick)) {
+            document.getElementById(choices[i]).style.display='block';
+        } else {
+            document.getElementById(choices[i]).style.display='none';
+        }
+    }
+    return;
+}
+
+var regexp = $urlregexp;
+
+function extUrlPreview(caller) {
+    if (document.getElementById(caller)) {
+        var url = document.getElementById(caller).value;
+        if (regexp.test(url)) {
+            openMyModal(url,500,400,'yes');
+        } else {
+            alert("$invurl");
+        }
+    }
+}
+
+function toggleBox(name,caller) {
+    if (name == 'all') {
+        if (document.syllabus.showfield.length > 0) {
+            for (var i=0; i<document.syllabus.showfield.length; i++) {
+                if (document.syllabus.showfield[i].checked) {
+                    if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
+                        document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
+                    }
+                } else {
+                    if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
+                        document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
+                    }
+                }
+            }
+        }
+    } else {
+        if (caller.checked) {
+            if (document.getElementById('box_'+caller.value)) {
+                document.getElementById('box_'+caller.value).style.display='block';
+            }
+        } else {
+            if (document.getElementById('box_'+caller.value)) {
+                document.getElementById('box_'+caller.value).style.display='none';
+            }
+        }
+    }
+    return;
+}
+
+function setTemplateBoxes() {
+    $fieldstr
+    $checkedstr
+    $uncheckedstr
+    if (include.length > 0) {
+        for (var i=0; i<include.length; i++) {
+            if (document.getElementById('showfield_'+include[i])) {
+                document.getElementById('showfield_'+include[i]).checked = true;
+                if (document.getElementById('box_'+fields[include[i]])) {
+                    document.getElementById('box_'+fields[include[i]]).style.display='block';
+                }
+            }
+        }
+    }
+    if (exclude.length > 0) {
+        for (var i=0; i<exclude.length; i++) {
+            if (document.getElementById('showfield_'+exclude[i])) {
+                document.getElementById('showfield_'+exclude[i]).checked = false;
+                if (document.getElementById('box_'+fields[exclude[i]])) {
+                    document.getElementById('box_'+fields[exclude[i]]).style.display='none';
+                }
             }
-            &Apache::lonhtmlcommon::add_breadcrumb
-              ({href=>$r->uri,
+        }
+    }
+    return;
+}
+
+$check_uncheck
+
+// ]]>
+</script>
+
+ENDSCRIPT
+    }
+    my $args = {'function'       => undef,
+                'domain'         => $cdom};
+    my $forcereg;
+    if ($env{'form.register'}) {
+        $forcereg = 1;
+        $args->{'force_register'} = $forcereg;
+    }
+    if ($env{'form.backto'} eq 'coursecatalog') {
+        &Apache::lonhtmlcommon::clear_breadcrumbs();
+        my $brcrum = [{href=>"javascript:ToCatalog();",
+                       text=>&mt('Course/Community Catalog'),
+                       no_mt=>1}
+                     ];
+        if ($env{'form.coursenum'} ne '') {
+            push(@{$brcrum},
+                  {href=>"javascript:ToCatalog('details')",
+                   text=>"Course details"});
+        }
+        push(@{$brcrum},
+              {href=>$r->uri,
                text=>"Course syllabus"});
-            $r->print(&Apache::lonhtmlcommon::breadcrumbs());
+        $args->{'bread_crumbs'} = $brcrum;
+    } else {
+        &get_breadcrumbs($cdom,$cnum,$crstype,$args);
+    }
+    if ($allowed) {
+        my %loaditem = (
+                         onload => 'setTemplateBoxes();',
+                       );
+        $args->{'add_entries'} = \%loaditem;
+    }
+    my $start_page =
+        &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
+    if ($start_page) {
+        $r->print($start_page);
+    }
+}
+
+sub get_breadcrumbs{
+    my ($cdom,$cnum,$crstype,$args) = @_;
+    return unless (ref($args) eq 'HASH');
+    if ($env{'form.folderpath'} =~ /^supplemental/) {
+        my $title = $env{'form.title'};
+        if ($title eq '') {
+            $title = &mt('Syllabus');
+        }
+        my $brcrum =
+            &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+        if (ref($brcrum) eq 'ARRAY') {
+            $args->{'bread_crumbs'} = $brcrum;
+        }
+    } else {
+        if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
+                 && (($env{'form.symb'}) || ($env{'form.register'}))) {
+            &Apache::lonhtmlcommon::clear_breadcrumbs();
+        } else {
+            $args->{'bread_crumbs'} = [
+                                        {'href' => "/public/$cdom/$cnum/syllabus",
+                                         'text' => 'Syllabus'},
+                                      ];
         }
+    }
+    return;
+}
 
+sub chooser {
+    my ($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+                 'type'          => 'Syllabus Type',
+                 'url'           => 'External URL',
+                 'file'          => 'Uploaded file',
+                 'minimal'       => 'Minimal template',
+                 'template'      => 'Standard template',
+                 'templateboxes' => 'Choose template items ... ',
+                 'curr'          => 'Current:',
+                 'rep'           => 'Replace:',
+                 'upl'           => 'Upload:',
+                 'pr'            => 'Preview',
+                 'save'          => 'Save',
+                 'sved'          => 'Save and Edit',
+                 'chourl'        => 'External URL',
+                 'chofile'       => 'Uploaded syllabus file',
+                 'parse'         => 'Upload embedded images/multimedia files if HTML file',
+    );
+    my %checked = (
+                    file     => '',
+                    minimal  => '',
+                    url      => '',
+                    template => '',
+                  );
+    my %display = (
+                    file        => 'none',
+                    minimal     => 'none',
+                    url         => 'none',
+                    templatebox => 'none',
+                  );
+    my $check = ' checked="checked" ';
+    if ($uploaded) {
+        $checked{'file'} = $check;
+        $display{'file'} = 'block';
+    } elsif ($external) {
+        $checked{'url'}  = $check;
+        $display{'url'} = 'block';
+    } elsif ($minimal) {
+        $checked{'minimal'} = $check;
+        $display{'minimal'} = 'block';
+    } else {
+        $checked{'template'} = $check;
+        $checked{'templatebox'} = $check;
+        $display{'templatebox'} = 'block';
     }
-# ---------------------------------------------------------- Load syllabus info
-    my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
-    my $allowed=0;
-    my $privileged=0;
 
-# This handler might be called anonymously ...
-# ----------------------------------------------------- Only if not public call
-    if ($env{'user.environment'}) {
-# does this user have privileges to post, etc?
-       if ($env{'request.course.id'}
-	   && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
-	   && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
-          $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
-	  $privileged=$allowed;
-	  if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
-	      $forcestudent='student';
-	  }
-          if ($forcestudent or $target eq 'tex') { $allowed=0; }
-       }
-       if (($allowed) && ($env{'form.storesyl'})) {
-	   foreach my $syl_field (keys(%syllabusfields)) {
-               my $field=$env{'form.'.$syl_field};
-	       chomp($field);
-               $field=~s/\s+$//s;
-	       $field=~s/^\s+//s;
-	       $field=~s/\<br\s*\/*\>$//s;
-	       $field=&Apache::lonfeedback::clear_out_html($field,1);
-	       $syllabus{$syl_field}=$field;
-               if ($syl_field eq 'lll_includeurl') { # clean up included URLs
-                  my $field='';
-	          foreach my $value (split(/\n/,$syllabus{$syl_field})) {
-		      my $url=$value;
-# get rid of leading and trailing spaces
-                      $url=~s/^\s+//;
-                      $url=~s/\s+$//;
-                      if ($url=~m|^https?\://([^/]+)/(.+)$|) {
-			  my $host = $1;
-                          my $remainder=$2;
-# remove the hostname from internal URLs
-			  my $hostname = &Apache::lonnet::hostname($host);
-			  my %all_hostnames = &Apache::lonnet::all_hostnames();
-		          foreach my $possible_host (keys(%all_hostnames)) {
-                              if ($possible_host =~ /\Q$hostname\E/i) {
-			         $url=$remainder;
-			      }
-		          }
-		      }
-# norm internal URLs
-                      unless ($url=~/^https?\:/) {
-		          $url=&Apache::lonnet::clutter($url);
-                      }
-# re-assemble field
-                      if ($url) {
-		          $field.=$url."\n";
-                      }
-		  }
-                  $syllabus{$syl_field}=$field;
-	      }
-           }
-           $syllabus{'uploaded.domain'}=$env{'user.domain'};
-           $syllabus{'uploaded.name'}=$env{'user.name'};
-           $syllabus{'uploaded.lastmodified'}=time;
-           &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
-       }
-    }
-
-#---------------------Print External URL Syllabus Info
-if( ($allowed) && ($target ne 'tex') ) {
-	my $protocol = $Apache::lonnet::protocol{$homeserver};
-  	$protocol = 'http' if ($protocol ne 'https');
-        $r->print('<p class="LC_info">'
-                 .&mt('This syllabus can be publicly viewed at [_1]'
-                     ,'<tt>'.$protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri.'</tt>')
-                 .'&nbsp;'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
-                 .'</p>'
-                 .'<p class="LC_info">'
-                 .&mt('Instead of using this template you can specify an external URL as Syllabus in the [_1]Course Parameters[_2].'
-                     ,'<a href="/adm/parmset?action=crsenv">','</a>')
-                 .'</p>'
-        );
-}
-
-#-Print Help Text
-if ($target ne 'tex') {
-	if($allowed){
-		$r->print(&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')));
-	}
-}
-#--------Functions
-if ($target ne 'tex') {
-		if($allowed || $privileged){
-                $r->print(&Apache::lontemplate::start_functionslist());
-		if($allowed){
-                    $r->print(&Apache::lontemplate::item_functionslist(
-                        '<a href="'.$r->uri.'?forcestudent=1">'.&mt('Show Public View').'</a>'
-                       .&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView')));
-		}elsif($privileged){
-                    $r->print(&Apache::lontemplate::item_functionslist(
-                        '<a href="'.$r->uri.'?forceedit=1">'.&mt('Edit').'</a>'));
-		}
-                $r->print(&Apache::lontemplate::end_functionslist());
-		}
- }
-#----------------------------Print Headtitle
-if($target ne 'tex'){
-	$r->print('<h1>'.$courseenv{'description'}.'</h1>');
-	$r->print('<h3>'.  &Apache::lonnet::domain($cdom,'description').'</h3>');
-}else{
-	$r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
-	&Apache::lonnet::domain($cdom,'description').'}\\\\');
+    my $output = 
+        '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
+        '<input type="hidden" name="forceedit" value="1" />'."\n".
+        '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
+    foreach my $item ('minimal','template','url','file') {
+        $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
+                   $lt{$item}.'</label><br />';
+    }
+    $output .= '</fieldset></div>'."\n".
+               '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
+               '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
+               '<a href="javascript:extUrlPreview('."'syllabusurl'".');">'.$lt{'pr'}.'</a></span>&nbsp;'."\n".
+               '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
+               '&nbsp;<input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
+               '</fieldset></div>'."\n".
+               '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
+               '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
+    if ($minimal) {
+        my ($absurl,$filename,$depbutton) = &syllabus_file_info($minimal,$cnum,$cdom,$lonhost,'minimal');
+        $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
+                   '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
+                   $depbutton;
+    } else {
+        $output .= &mt('Title of Syllabus Page:').'&nbsp;'.
+                   '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
+                   '&nbsp;<input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
+    }
+    $output .= '</fieldset></div>'."\n".
+               '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
+               '<fieldset><legend>'.$lt{'file'}.'</legend>';
+    if ($uploaded) {
+        my ($absurl,$filename,$depbutton) = &syllabus_file_info($uploaded,$cnum,$cdom,$lonhost,'file');
+        $output .= '<span class="LC_nobreak">'.$lt{'curr'}.'&nbsp;'.
+                   '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
+                   '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
+                   '<br /><br />'.$lt{'rep'};
+    } else {
+        $output .= $lt{'upl'};
+    }
+    $output .= '<br />'."\n".
+               '<span class="LC_nobreak">'.
+               '<input type="file" name="syllabusfile" size="55" />'."\n".
+               '&nbsp;<input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
+               '</span><br />'.
+               '<label>'.
+               '<input type="checkbox" name="parserflag" checked="checked" />'.
+               $lt{'parse'}.
+               '</label>'.
+               '</fieldset></div>'.
+               '<div id="templatebox" class="LC_left_float" style="display: '.
+               $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
+               '&nbsp;<input type="button" value="'.&mt('check all').'" '.
+               'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
+               ('&nbsp;'x2).
+               '<input type="button" value="'.&mt('uncheck all').'" '.
+               'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
+               '</legend>'.
+               &fields_check_uncheck($fields,$values).
+               '</fieldset><br />'.
+               '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
+               '</div>';
+    $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
+    return $output;
 }
-# -------------------------------------------------------- Get course personnel
-    my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
+
+sub syllabus_file_info {
+    my ($item,$cnum,$cdom,$lonhost,$context) = @_;
+    my $protocol = $Apache::lonnet::protocol{$lonhost};
+    $protocol = 'http' if ($protocol ne 'https');
+    my $absurl = $protocol.'://'.&Apache::lonnet::hostname($lonhost).$item;
+    my ($filename) = ($item =~ m{([^/]+)$});
+    my $file=&Apache::lonnet::filelocation("",$item);
+    my ($depbutton,$filetype,$editable);
+    if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
+        $filetype=$1;
+    }
+    if ($filetype) {
+        unless ($filetype eq 'tex') {
+            $filetype='html';
+        }
+    }
+    if ($filetype eq 'html') {
+        my $filecontents=&Apache::lonnet::getfile($file);
+        unless ($filecontents eq -1) {
+            my $mm = new File::MMagic;
+            my $mimetype = $mm->checktype_contents($filecontents);
+            if ($mimetype eq 'text/html') {
+                my (%codebase,%allfiles);
+                my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
+                                                                           \%codebase,\$filecontents);
+                my $actionurl = "/public/$cdom/$cnum/syllabus";
+                my ($ignore,$num,$numpathchanges,$existing,$mapping) =
+                    &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
+                                                                 \%codebase,
+                                                                 {'context' => 'rewrites',
+                                                                  'ignore_remote_references' => 1,});
+                $editable = 1;
+            }
+        }
+    }
+    $depbutton = ('&nbsp;' x 3).
+                 &editfile_button($item,$context,$editable).
+                 &editbutton_js();
+    return ($absurl,$filename,$depbutton);
+}
+
+sub fields_check_uncheck {
+    my ($fields,$values) = @_;
+    return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
+    my $numinrow = 4;
+    my $table;
+    my @fieldnames = sort(keys(%{$fields}));
+    unshift(@fieldnames,'000_showpeople','111_showrssfeeds'); 
+    my $numfields = scalar(@fieldnames);
+    my %included;
+    if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
+        map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
+    }
+    for (my $i=0; $i<$numfields; $i++) {
+        my ($name,$checked);
+        if ($fieldnames[$i] eq '000_showpeople') {
+            $name = &mt('Personnel');
+        } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
+            $name = &mt('RSS Feeds and Blogs');
+        } else {
+            $name = $fields->{$fieldnames[$i]};
+        }
+        if ($values->{'uploaded.fields'}) {
+            unless ($values->{'uploaded.fields'} eq 'none') {
+                my ($prefix) = split(/_/,$fieldnames[$i]);
+                if ($included{$prefix}) {
+                    $checked = ' checked="checked"';
+                }
+            }
+        } else {
+            if ($fieldnames[$i] eq '000_showpeople') {
+                $checked = ' checked="checked"';
+            } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
+                $checked = ' checked="checked"';
+            } else {
+                if ($values->{$fieldnames[$i]} ne '') {
+                    $checked = ' checked="checked"';
+                }
+            }
+        }
+        my $rem = $i%($numinrow);
+        if ($rem == 0) {
+            if (($i > 0) && ($i < $numfields)) {
+                $table .= '</tr>';
+            }
+            if ($i < $numfields) {
+                $table .= '<tr>';
+            }
+        }
+        if ($i == $numfields-1) {
+            my $rem = $numfields%($numinrow);
+            my $colsleft = $numinrow - $rem;
+            if ($colsleft > 1) {
+                $table .= '<td colspan="'.$colsleft.'">';
+            } else {
+                $table .= '</td>';
+            }
+        } else {
+            $table .= '<td>';
+        }
+        $table .=
+            '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
+            $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
+            $name.'</label></td>'."\n";
+    }
+    if ($table ne '') {
+        my $rem = $numfields%($numinrow);
+        my $colsleft = $numinrow - $rem;
+        if ($colsleft > 1 ) {
+            $table .= '<td colspan="'.$colsleft.'">&nbsp;</td>';
+        } elsif ($colsleft == 1) {
+            $table .= '<td>&nbsp;</td>';
+        }
+        $table = '<table>'.$table.'</tr></table>';
+    }
+    return $table;
+}
+
+sub get_personnel {
+    my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
+    my (%hiddenroles,%hiddenusers);
+    if (ref($syllabus) eq 'HASH') {
+        if (ref($syllabus->{'personnel'}) eq 'HASH') {
+            if ($syllabus->{'personnel'}{'hiderole'}) {
+                map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
+            }
+            if ($syllabus->{'personnel'}{'hideuser'}) {
+                map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
+            }
+        }
+    }
+    my $output;
+    my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
     if ($target ne 'tex') {
-	$r->print(&Apache::lonhtmlcommon::start_pick_box());
+        if ($allowed) {
+            $r->print(&Apache::loncommon::start_data_table().
+                      &Apache::loncommon::start_data_table_header_row().
+                      '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
+                      '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
+                      &Apache::loncommon::end_data_table_header_row());
+        } else {
+            $r->print(&Apache::lonhtmlcommon::start_pick_box());
+        }
     } else {
-	$r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
+        $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
     }
     my @personnel=sort(keys(%coursepersonnel));
     my $lastpers=$personnel[$#personnel];
     foreach my $element (@personnel) {
-	if ($target ne 'tex') {
-	    $r->print(&Apache::lonhtmlcommon::row_title($element));
-	} else {
-	    $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
-	}
-        foreach (split(/\,/,$coursepersonnel{$element})) {
-	    my ($puname,$pudom)=split(/\:/,$_);
-	    if ($target ne 'tex') {
+        unless ($allowed) {
+            next if ($hiddenroles{$element}) 
+        }
+        my ($role,$sec);
+        if ($element =~ /:/) {
+            ($role,$sec) = split(/:/,$element);
+        } else {
+            $role = $element;
+        }
+        my $roletext = &Apache::lonnet::plaintext($role,$crstype);
+        if ($sec) {
+            $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
+        }
+        if ($target ne 'tex') {
+            if ($allowed) {
+                my $checked;
+                if ($hiddenroles{$element}) {
+                    $checked = ' checked="checked"';
+                }
+                $r->print(&Apache::loncommon::start_data_table_row().
+                          '<td>'.
+                          '<input type="checkbox" name="hiderole" value="'.$element.'" '.
+                          $checked.' />'.
+                          '</td><td>'.$roletext.'</td><td>');
+            } else {
+                $r->print(&Apache::lonhtmlcommon::row_title($roletext));
+            }
+        } else {
+            $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
+        }
+        my @coursepersonlist;
+        foreach my $user (split(/\,/,$coursepersonnel{$element})) {
+            my ($puname,$pudom)=split(/\:/,$user);
+            if ($target ne 'tex') {
                 my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
-                if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
-                    ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
-		    $r->print(' '.$courseperson);
+                my $checked;
+                if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
+                    $checked = ' checked="checked"';
+                }
+                if ($allowed) {
+                    my $item = '<span class="LC_nobreak"><label>'.
+                               '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
+                               &Apache::loncommon::aboutmewrapper($courseperson
+,
+                                               $puname,$pudom).
+                               '</label>'.('&nbsp;'x2).'</span> ';
+                    push(@coursepersonlist,$item);
+
                 } else {
-                    $r->print(' '.&Apache::loncommon::aboutmewrapper($courseperson,
-                              $puname,$pudom));
+                    next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
+                    if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
+                        ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
+                        push(@coursepersonlist,$courseperson);
+                    } else {
+                        push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
+                                               $puname,$pudom));
+                    }
                 }
-	    } else {
-		$r->print(' '.&Apache::loncommon::plainname($puname,
+            } else {
+                push(@coursepersonlist,&Apache::loncommon::plainname($puname,
                               $pudom).' ');
-	    }
-	}
-	if ($target ne 'tex') {
-            my $lastclose=$element eq $lastpers?1:0;
-            $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
-	} else {
-	    $r->print('\\\\ \hline');
-	}
+            }
+        }
+        if ($allowed) {
+            $r->print(join('',@coursepersonlist));
+        } else {
+            $r->print(join(', ',@coursepersonlist));
+        }
+        if ($target ne 'tex') {
+            if ($allowed) {
+                $r->print(&Apache::loncommon::end_data_table_row());
+            } else {
+                my $lastclose=$element eq $lastpers?1:0;
+                $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
+            }
+        } else {
+            $r->print('\\\\ \hline');
+        }
     }
     if ($target ne 'tex') {
-	$r->print(&Apache::lonhtmlcommon::end_pick_box());
+        if ($allowed) {
+            $r->print(&Apache::loncommon::end_data_table());
+        } else {
+            $r->print(&Apache::lonhtmlcommon::end_pick_box());
+        }
     } else {
-	$r->print('\end{tabular}\\\\');
+        $r->print('\end{tabular}\\\\');
     }
-#----------Print last update
- my $lastmod=$syllabus{'uploaded.lastmodified'};
-       $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
-       my $who = &Apache::loncommon::aboutmewrapper(
-                    &Apache::loncommon::plainname($syllabus{'uploaded.name'},
-                     $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
-                     $syllabus{'uploaded.domain'});
- if ($target ne 'tex') {
-	   $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
-		     $lastmod.'</td><td>'.
-		     ($who ? &mt('by').' '.$who
-                           : '' ).
-		     '</td></tr></table>');
-       } else {
-	   $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
-		     ($who? &mt('by').'\\\\ '.
-		            &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
-		          :'')
-		     .'\\\\');
-       }
-# -------------------------------------------------------------- Announcements?
-    my $day = &Apache::lonannounce::showday(time,2,
-			 &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
-    if ($target ne 'tex') {
-	if($allowed){
-		&Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_ContentBoxSpecial');
-		$r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
-		my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
-        	$r->print( '<a href="'.$editurl.'">'.&mt('New RSS Feed or Blog').'</a>');
-		&Apache::lontemplate::print_end_template($r);
-	}
-	elsif(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
-		&Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_ContentBoxSpecial');
-		$r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
-		&Apache::lontemplate::print_end_template($r);
-	}
+    return;
+}
 
-    } else {
-	$r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
+sub save_changes {
+    my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
+    my ($earlyout,$output);
+    unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH')) {
+        return ($earlyout,$uploaded,$external,$minimal,$output);
     }
-# ---------------------------------------------------------------- Get syllabus
-    if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
-       if ($allowed) {
-	   $r->print('<form method="post">'.
-		     '<input type="hidden" name="forceedit" value="edit" />');
-       }
-       my @htmlids=();
-
-	foreach my $field (sort(keys(%syllabusfields))) {
-	   if (($syllabus{$field}=~/\w/) || ($allowed)) {
-	       my $message=$syllabus{$field};
-	       if ($field eq 'lll_includeurl') { # this is the "included" field
-		   my $urls=$message;
-		   $message='';
-		   foreach my $filelink (split(/\n/,$urls)) {
-		       my $output='';
-			# embed style?
-		       my ($curfext)=($filelink=~/\.([^\.]+)$/);
-		       my $embstyle=&Apache::loncommon::fileembstyle($curfext);
-		       if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
-			   $output=&Apache::lonnet::ssi_body($filelink);
-		       } elsif ($embstyle eq 'img') {# embed as an image
-			   $output='<img src="'.$filelink.'" />';
-		       }
-		       if($output ne ''){
-		       		if ($target ne 'tex') {
-			  	 	$message.='<p>'.$output.'</p>';
-		       		} else {
-			   		$message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
-		       		}
-			}
-		   }
-		   if ($allowed) {
-		       $r->print('<h3>'.$syllabusfields{$field}.
-			 &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>');
-		   } else {
-		       $r->print($message);
-		   }
-	       } else {
-		   &Apache::lonfeedback::newline_to_br(\$message);
-		   $message =~s|(https?\://[^\s]+)|<a href="$1"><tt>$1</tt></a>|g;
-		   if ($allowed) {
-		       $message=&Apache::lonspeller::markeduptext($message);
-		   }
-		   $message=&Apache::lontexconvert::msgtexconverted($message);
-		   if ($target ne 'tex') {
-			if($allowed){
-				$r->print('<p>');
-			}
-			&Apache::lontemplate::print_template($r, $syllabusfields{$field}, $message,$allowed,'LC_ContentBoxSpecial');
-		   } else {
-		       $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
-				 &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
-		   }
-		   push(@htmlids,$field);
-	       }
-	       if ($allowed) {
-			if($target ne 'tex'){
-				$r->print('</p>');
-				&Apache::lontemplate::print_editbox_template($r, $syllabus{$field}, $field);
-			}
+    if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
+        my %storehash;
+        if (($env{'form.choice'} eq 'file') && 
+            ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
+            &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
+            &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
+            $storehash{'uploadedsyllabus'} = '';
+            $storehash{'externalsyllabus'} = '';
+            my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
+            undef($uploaded);
+            undef($external);
+        } elsif (($env{'form.choice'} eq 'minimal') &&
+                 ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
+            &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
+            &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
+            $storehash{'externalsyllabus'} = '';
+            $storehash{'minimalsyllabus'} = '';
+            my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
+            undef($external);
+            undef($minimal);
+        }
+    } elsif ($env{'form.choice'} eq 'template') {
+#store what the user typed in to the template
+        my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
+        $syllabus->{'uploaded.fields'} = '';
+        if (@shown == 0) {
+            $syllabus->{'uploaded.fields'} = 'none';
+        } else {
+            foreach my $field (sort(@shown)) {
+                if (($field eq '000_showpeople') ||
+                    ($field eq '111_showrssfeeds') ||
+                    ($syllabusfields->{$field})) {
+                    my ($prefix) = split(/_/,$field);
+                    $syllabus->{'uploaded.fields'} .= $prefix.',';
+                }
+                if ($field eq '000_showpeople') {
+                    my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
+                    my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
+                    my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
+                    my %personnel;
+                    foreach my $key (keys(%coursepersonnel)) {
+                        map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
+                    }
+                    %{$syllabus->{'personnel'}} = ();
+                    $syllabus->{'personnel'}{'hideuser'} = '';
+                    $syllabus->{'personnel'}{'hiderole'} = '';
+                    foreach my $role (@hideroles) {
+                        if (exists($personnel{$role})) {
+                            $syllabus->{'personnel'}{'hiderole'} .= $role.',';
+                        }
+                    }
+                    foreach my $item (@hideusers) {
+                        my ($role,$user) = split(/\&/,$item);
+                        if (ref($personnel{$role}) eq 'HASH') {
+                            if ($personnel{$role}{$user}) {
+                                $syllabus->{'personnel'}{'hideuser'} .= $item.',';
+                            }
+                        }
+                    }
+                    $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
+                    $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
+                }
+            }
+            $syllabus->{'uploaded.fields'} =~ s/,$//;
+        }
+        foreach my $syl_field (keys(%{$syllabusfields})) {
+            my $field=$env{'form.'.$syl_field};
+            chomp($field);
+            $field=~s/\s+$//s;
+            $field=~s/^\s+//s;
+            $field=~s/\<br\s*\/*\>$//s;
+            $field=&Apache::lonfeedback::clear_out_html($field,1);
+                            #here it will be stored
+            $syllabus->{$syl_field}=$field;
+            if ($syl_field eq 'lll_includeurl') { # clean up included URLs
+                my $field='';
+                foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
+                    my $url=$value;
+# get rid of leading and trailing spaces
+                    $url=~s/^\s+//;
+                    $url=~s/\s+$//;
+                    if ($url=~m|^https?\://([^/]+)/(.+)$|) {
+                        my $host = $1;
+                        my $remainder=$2;
+# remove the hostname from internal URLs
+                        my $hostname = &Apache::lonnet::hostname($host);
+                        my %all_hostnames = &Apache::lonnet::all_hostnames();
+                        foreach my $possible_host (keys(%all_hostnames)) {
+                            if ($possible_host =~ /\Q$hostname\E/i) {
+                                $url=$remainder;
+                            }
+                        }
+                    }
+# norm internal URLs
+                    unless ($url=~/^https?\:/) {
+                        $url=&Apache::lonnet::clutter($url);
+                    }
+# re-assemble field
+                    if ($url) {
+                        $field.=$url."\n";
+                    }
+                }
+                $syllabus->{$syl_field}=$field;
+            }
+        }
+        my $now = time;
+        $syllabus->{'uploaded.domain'}=$env{'user.domain'};
+        $syllabus->{'uploaded.name'}=$env{'user.name'};
+        $syllabus->{'uploaded.lastmodified'} = $now;
+        my $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
+        if ($putres eq 'ok') {
+            ($uploaded,$minimal,$external) = 
+                &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
+                                     $minimal,$external);
+            $output = '<div>'.
+                      &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
+                      '</div>';
+        } else {
+            $output = '<div class="LC_error">'.
+                      &mt('An error occurred storing the template: [_1]',$putres).
+                      '</div>';
+        }
+    } elsif ($env{'form.choice'} eq 'url') {
+        if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
+            if ($env{'form.externalsyllabus'} eq $external) {
+                $output = '<div class="LC_info">'.
+                          &mt('External URL unchanged.').
+                          '</div>';
+                ($uploaded,$minimal,$external) =
+                    &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
+                                         $minimal,$external);
+            } else {
+                $external=$env{'form.externalsyllabus'};
+                $external =~ s/(`)//g;
+                my $putres =
+                    &Apache::lonnet::put('environment',{externalsyllabus=>$external},
+                                         $cdom,$cnum);
+                if ($putres eq 'ok') {
+                    &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
+                    $output = '<div>'.
+                              &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
+                             '</div>';
+                    ($uploaded,$minimal,$external) =
+                        &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
+                                             $minimal,$external);
+                } else {
+                    $output = '<div class="LC_error">'.
+                              &mt('An error occurred storing the external URL: [_1]',$putres).
+                              '</div>';
+                }
+            }
+        } else {
+            $output = '<div class="LC_error">'.
+                      &mt('External URL not saved -- invalid URL.').
+                      '</div>';
+        }
+    } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
+        # Process file upload - phase one - upload and parse primary file.
+        my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
+        if ($env{'form.choice'} eq 'file') {
+            if ($env{'form.syllabusfile.filename'}) {
+                my %allfiles = ();
+                my %codebase = ();
+                ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
+                                                   \%allfiles,\%codebase);
+            } else {
+                $output = '<div class="LC_info">';
+                          &mt('No file uploaded').
+                          '</div>';
+            }
+        } elsif ($env{'form.choice'} eq 'minimal') {
+            my $title = $env{'form.syllabustitle'};
+            $title =~ s{`}{}g;
+            $title=~s/^\s+//;
+            $title=~s/\s+$//;
+            if ($title eq '') {
+                $title = &mt('Syllabus');
+            }
+            my $initialtext = &mt('Replace with your own content.');
+            my $newhtml = <<END;
+<html>
+<head>
+<title>$title</title>
+</head>
+<body bgcolor="#ffffff">
+<h2>$title</h2>
+$initialtext
+</body>
+</html>
+END
+            $env{'form.output'}=$newhtml;
+            $url =
+                 &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
+                                                       'portfolio/syllabus/loncapa.html');
+        }
+        if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
+            my $exturl = &home_http_host($cdom,$cnum);
+            if ($exturl) {
+                $exturl .= $url;
+            }
+            my %storehash;
+            if ($env{'form.choice'} eq 'minimal') {
+                $storehash{'minimalsyllabus'} = $url;
+            } else {
+                $storehash{'uploadedsyllabus'} = $url;
+            }
+            if ($exturl) {
+                $storehash{'externalsyllabus'} = $exturl;
+                if ($exturl =~ /\.(html?|txt|js|css)$/) {
+                    $exturl .= '?inhibitmenu=yes';
+                }
+            } else {
+                $storehash{'externalsyllabus'} = '',
+            }
+            my $putres =
+                &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
+            if ($putres eq 'ok') {
+                &Apache::lonnet::make_public_indefinitely($url);
+                foreach my $key (keys(%storehash)) {
+                    &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
+                }
+                if ($env{'form.choice'} eq 'minimal') {
+                    $minimal = $url;
+                } else {
+                    $uploaded = $url;
+                }
+                if ($needlink) {
+                    $output .= &return_to_editor($cdom,$cnum);
+                    $earlyout = 1;
+                }
+                ($uploaded,$minimal,$external) =
+                    &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
+                                         $minimal,$external);
+            } else {
+                $error = 1;
+                $errormsg = $putres;
+            }
+        } else {
+            $error = 1;
+        }
+        if ($error) {
+            $output = '<div class="LC_error">';
+            if ($env{'form.choice'} eq 'minimal') {
+                $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
+            } else {
+                $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
+            }
+            $output .= '</div>';
+        }
+    } elsif ($env{'form.phase'} eq 'upload_embedded') {
+        # Process file upload - phase two - upload embedded objects
+        my $uploadphase = 'check_embedded';
+        my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
+        my $state = &embedded_form_elems($uploadphase,$primaryurl);
+        my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
+        my $actionurl = "/public/$cdom/$cnum/syllabus";
+        my ($result,$flag,$numpathchgs) =
+            &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
+                $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
+                $actionurl);
+        unless ($numpathchgs) {
+            my $modres =
+                &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
+                                                     $cnum,$cdom,
+                                                     '/userfiles',$env{'form.primaryurl'});
+            $result .= $modres;
+        }
+        $output = $result.&return_to_editor($cdom,$cnum);
+        $earlyout = 1;
+    } elsif ($env{'form.phase'} eq 'check_embedded') {
+        # Process file upload - phase three - modify references in HTML file
+        my $uploadphase = 'modified_orightml';
+        my $result =
+            &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
+                                                 $cnum,$cdom,
+                                                 '/userfiles',$env{'form.primaryurl'});
+        $output = $result.&return_to_editor($cdom,$cnum);
+        $earlyout = 1;
+    }
+    return ($earlyout,$uploaded,$external,$minimal,$output);
+}
 
-	       }
-	   }
-       }
-
-       if ($allowed) {
-	   $r->print('</form>'.
-		     &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
-       }
-      # if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
-    } else {
-	if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');}
-	$r->print(&mt('No syllabus information provided.'));
-	if ($target ne 'tex') {$r->print('</p>');}
+sub update_syllabus_env {
+    my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
+    return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
+    my $now = time;
+    my (@envkeys,%storehash);
+    if ($saved eq 'template') {
+        if ($uploaded) {
+            push(@envkeys,'uploaded');
+        }
+        if ($minimal) {
+            push(@envkeys,'minimal');
+        }
+        if ($external) {
+            push(@envkeys,'external');
+        }
+        $storehash{'updatedsyllabus'} = $now;
+        &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
+});
+
+    } elsif ($saved eq 'url') {
+        my $prefix = &home_http_host($cdom,$cnum);
+        if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
+            my $file = $1;
+            if ($file eq 'loncapa.html') {
+                if ($uploaded) {
+                    push(@envkeys,'uploaded');
+                }
+            } elsif ($minimal) {
+                push(@envkeys,'minimal');
+            }
+        } else {
+            if ($uploaded) {
+                push(@envkeys,'uploaded');
+            }
+            if ($minimal) {
+                push(@envkeys,'minimal');
+            }
+        }
+    } elsif ($saved eq 'file') {
+        if ($minimal) {
+            push(@envkeys,'minimal');
+        }
+    } elsif ($saved eq 'minimal') {
+        if ($uploaded) {
+            push(@envkeys,'uploaded');
+        }
     }
-    if ($target ne 'tex') {
-        if ($env{'form.backto'} eq 'coursecatalog') {
-            $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
-                      &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
-                      '</form>');
+    if (@envkeys > 0) {
+        foreach my $item (@envkeys) {
+            my $key = $item.'syllabus';
+            if ($courseenv->{$key}) {
+                &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
+                $storehash{$key} = '';
+            }
+            if ($item eq 'uploaded') {
+                undef($uploaded);
+            }
+            if ($item eq 'external') {
+                undef($external);
+            }
+            if ($item eq 'minimal') {
+                undef($minimal);
+            }
         }
-	$r->print(&Apache::loncommon::end_page());
+    }
+    if (keys(%storehash) > 0) {
+        &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
+    }
+    return ($uploaded,$minimal,$external);
+}
+
+sub home_http_host {
+    my ($cdom,$cnum) = @_;
+    my $home=&Apache::lonnet::homeserver($cnum,$cdom);
+    if ($home ne 'no_host') {
+        my $protocol = $Apache::lonnet::protocol{$home};
+        $protocol = 'http' if ($protocol ne 'https');
+        return $protocol.'://'.$home;
+    }
+    return;
+}
+
+sub process_upload {
+    my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
+    my ($parseaction,$showupload,$mimetype);
+    my $dest = 'portfolio/syllabus';
+    if ($env{'form.parserflag'}) {
+        $parseaction = 'parse';
+    }
+    my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
+                                            $parseaction,$allfiles,
+                                            $codebase,undef,undef,undef,undef,
+                                            undef,undef,\$mimetype);
+    if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
+        my $stored = $1;
+        $showupload = '<p>'.&mt('Uploaded [_1]',
+                                '<span class="LC_filename">'.$stored.'</span>').
+                      '</p>';
     } else {
-	$r->print('\end{document}');
+        my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
+        $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
+                          &mt('Unable to save file [_1].',
+                              '<span class="LC_filename">'.$filename.'</span>').
+                          '</div>';
+        return (); 
     }
-    return OK;
+    my $needlink;
+    if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
+        $$upload_output = $showupload;
+        my $total_embedded = scalar(keys(%{$allfiles}));
+        if ($total_embedded > 0) {
+            my $uploadphase = 'upload_embedded';
+            my $primaryurl = &HTML::Entities::encode($url,'<>&"');
+            my $state = &embedded_form_elems($uploadphase,$primaryurl);
+            my $actionurl = "/public/$cdom/$cnum/syllabus";
+            my ($embedded,$num,$numpathchanges,$existing);
+            ($embedded,$num,$numpathchanges,$existing) =
+                &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
+                                                             $allfiles,$codebase,
+                                                            {'error_on_invalid_names'   => 1,
+                                                             'ignore_remote_references' => 1,});
+            if ($embedded) {
+                $needlink = 1;
+                if ($num) {
+                    $$upload_output .=
+                        '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
+                } elsif ($numpathchanges) {
+                    $$upload_output .= $embedded;
+                } else {
+                    $$upload_output .= $embedded;
+                    &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
+                                                         $cnum,$cdom,'/userfiles',$url);
+                }
+            } else {
+                $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
+                &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
+                                                     $cnum,$cdom,'/userfiles',$url);
+
+            }
+        } else {
+            $$upload_output .= &mt('No embedded items identified').'<br />';
+        }
+        $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
+    }
+    return ($url,$needlink);
+}
+
+sub embedded_form_elems {
+    my ($phase,$primaryurl) = @_;
+    return <<STATE;
+    <input type="hidden" name="forceedit" value="1" />
+    <input type="hidden" name="cmd" value="upload_embedded" />
+    <input type="hidden" name="phase" value="$phase" />
+    <input type="hidden" name="primaryurl" value="$primaryurl" />
+STATE
+}
+
+sub return_to_editor {
+    my ($cdom,$cnum) = @_;
+    my $actionurl = "/public/$cdom/$cnum/syllabus";
+    return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
+           '<input type="hidden" name="forceedit" value="1" />'."\n".
+           '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
+           '</a></p>';
+}
+
+sub editfile_button {
+    my ($url,$context,$editable) = @_;
+    my $edittext=&mt('Edit');
+    my $deltext=&mt('Delete');
+    my $output;
+    if ($editable) {
+        $output = '
+                <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
+                &nbsp;&nbsp;&nbsp;';
+    }
+    $output .= '
+                <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
+                <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
+    ';
+    return $output;
+}
+
+sub editbutton_js {
+    my %lt = &Apache::lonlocal::texthash(
+               min    => 'Are you sure you want to delete the contents of the syllabus template?',
+               file   => 'Are you sure you want to delete the uploaded syllabus file?',
+               noundo => 'This action cannot be reversed.'
+             );
+    return <<ENDJS;
+                <script type="text/javascript">
+                // <![CDATA[
+                  function gotoeditor(url) {
+                      document.location.href = url+'?editmode=1&forceedit=1';
+                  }
+                  function dodelete(caller,url) {
+                      if (document.getElementById('deleteuploaded_'+caller)) {
+                          document.getElementById('deleteuploaded_'+caller).value=1;
+                          if (caller == 'minimal') {
+                              if (confirm("$lt{'min'}"+"\\n"+"$lt{'noundo'}")) {
+                                  document.syllabus.submit();
+                              }
+                          }
+                          if (caller == 'file') {
+                              if (confirm("$lt{'file'}"+"\\n"+"$lt{'noundo'}")) {
+                                  document.syllabus.submit();
+                              }
+                          }
+                      }
+                      return;   
+                  }
+                // ]]>
+                </script>
+ENDJS
 }
 
 1;