--- loncom/interface/lonsyllabus.pm	2006/10/23 18:48:47	1.55
+++ loncom/interface/lonsyllabus.pm	2010/01/28 17:25:10	1.69.4.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Syllabus
 #
-# $Id: lonsyllabus.pm,v 1.55 2006/10/23 18:48:47 albertel Exp $
+# $Id: lonsyllabus.pm,v 1.69.4.2 2010/01/28 17:25:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -66,9 +66,6 @@ sub handler {
 
 # ------------------------------------------------------------ Print the screen
 
-    my $rss_link =
-	&Apache::lonrss::rss_link('http://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss');
-
     if ($target eq 'tex') {
 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
     } 
@@ -112,18 +109,63 @@ sub handler {
        
 # ----------------------------------------------------------------- Make header 
     if ($target ne 'tex') {
+	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
+        my $js;
+        if ($env{'form.backto'} eq 'coursecatalog') {
+            $js .= <<"ENDSCRIPT";
+
+<script type="text/javascript">
+function ToCatalog(caller) {
+    numidx = getIndexByName('coursenum');
+    if (numidx > -1) {
+        if (caller != 'details') {
+            document.backtocat.elements[numidx].value = '';
+        }
+    }
+    document.backtocat.submit();
+}
+
+function getIndexByName(item) {
+    for (var i=0;i<document.backtocat.elements.length;i++) {
+        if (document.backtocat.elements[i].name == item) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+</script>
+
+ENDSCRIPT
+        }
 	my $start_page = 
-	    &Apache::loncommon::start_page("Syllabus", $rss_link,
+	    &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
 					   {'function'       => $forcestudent,
 					    'domain'         => $cdom,
 					    'force_register' =>
 						$env{'form.register'},});
 
-	$r->print($start_page.'<h1>'.$courseenv{'description'}.'</h1><h3>'.
-                 $Apache::lonnet::domaindescription{$cdom}.'</h3>');
+	$r->print($start_page);
+        if ($env{'form.backto'} eq 'coursecatalog') {
+            &Apache::lonhtmlcommon::clear_breadcrumbs();
+            &Apache::lonhtmlcommon::add_breadcrumb
+             ({href=>"javascript:ToCatalog()",
+               text=>"Course/Community Catalog"});
+            if ($env{'form.coursenum'} ne '') {
+                &Apache::lonhtmlcommon::add_breadcrumb
+                  ({href=>"javascript:ToCatalog('details')",
+                   text=>"Course details"});
+            }
+            &Apache::lonhtmlcommon::add_breadcrumb
+              ({href=>$r->uri,
+               text=>"Course syllabus"});
+            $r->print(&Apache::lonhtmlcommon::breadcrumbs());
+        }
+        $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
+		  &Apache::lonnet::domain($cdom,'description').'</h3>');
     } else {
 	$r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
-                 $Apache::lonnet::domaindescription{$cdom}.'}\\\\');
+		  &Apache::lonnet::domain($cdom,'description').'}\\\\');
     }
 # -------------------------------------------------------------- Announcements?
     my $day = &Apache::lonannounce::showday(time,2,
@@ -137,35 +179,43 @@ sub handler {
 # -------------------------------------------------------- Get course personnel
     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
     if ($target ne 'tex') {
-	$r->print('<table border="2">');
+	$r->print(&Apache::lonhtmlcommon::start_pick_box());
     } else {
 	$r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
     }
-    foreach my $element (sort keys %coursepersonnel) {
+    my @personnel=sort(keys(%coursepersonnel));
+    my $lastpers=$personnel[$#personnel];
+    foreach my $element (@personnel) {
 	if ($target ne 'tex') {
-	    $r->print('<tr><td>'.$element.'</td><td>');
+	    $r->print(&Apache::lonhtmlcommon::row_title($element));
 	} else {
 	    $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & '); 
 	}
         foreach (split(/\,/,$coursepersonnel{$element})) {
 	    my ($puname,$pudom)=split(/\:/,$_);
 	    if ($target ne 'tex') {
-		$r->print(' '.&Apache::loncommon::aboutmewrapper(
-                              &Apache::loncommon::plainname($puname,
-                              $pudom),$puname,$pudom));
+                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);
+                } else {
+                    $r->print(' '.&Apache::loncommon::aboutmewrapper($courseperson,
+                              $puname,$pudom));
+                }
 	    } else {
 		$r->print(' '.&Apache::loncommon::plainname($puname,
                               $pudom).' ');
 	    }
 	}
 	if ($target ne 'tex') {
-	    $r->print('</td></tr>');
+            my $lastclose=$element eq $lastpers?1:0;
+            $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
 	} else {
 	    $r->print('\\\\ \hline');
 	}
     }
     if ($target ne 'tex') {
-	$r->print('</table>');
+	$r->print(&Apache::lonhtmlcommon::end_pick_box());
     } else {
 	$r->print('\end{tabular}\\\\');
     }
@@ -189,12 +239,17 @@ sub handler {
           if ($forcestudent or $target eq 'tex') { $allowed=0; }
        }
        if ($allowed) {
+          my $protocol = $Apache::lonnet::protocol{$homeserver};
+          $protocol = 'http' if ($protocol ne 'https');
           $r->print('<p>'.
-&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>'.&mt('This syllabus can be publicly viewed at')
-		    .' <tt>http://'.
-		    $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
+&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p><p>'.&mt('This syllabus can be publicly viewed at')
+		    .' <tt>'.$protocol.'://'.
+		    &Apache::lonnet::hostname($homeserver).$r->uri.'</tt>'.
                &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
-          '<p>'.&mt('You can specify an external URL as Syllabus in the [_1].','<a href="/adm/parmset?action=crsenv">'.&mt('Course Parameters').'</a>').'</p>'.
+          '<p class="LC_info">'.
+          &mt('Instead of using this template you can specify an external URL as Syllabus in the [_1]Course Configuration[_2].',
+          '<a href="/adm/courseprefs?actions=courseinfo&amp;phase=display">','</a>').
+          '</p>'.
 	  '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.
 &mt('Show Public View').'</font></a>'.
           &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
@@ -221,19 +276,20 @@ sub handler {
 # get rid of leading and trailing spaces
                       $url=~s/^\s+//;
                       $url=~s/\s+$//;
-                      if ($url=~m|^http://([^/]+)/(.+)$|) {
+                      if ($url=~m|^https?\://([^/]+)/(.+)$|) {
 			  my $host = $1;
                           my $remainder=$2;
 # remove the hostname from internal URLs
-		          foreach my $possible_host (keys(%Apache::lonnet::hostname)) {
-                              if ($possible_host =~
-				     /\Q$Apache::lonnet::hostname{$host}\E/i) {
+			  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 ($url=~/^http\:/) {
+                      unless ($url=~/^https?\:/) {
 		          $url=&Apache::lonnet::clutter($url);
                       }
 # re-assemble field
@@ -260,12 +316,16 @@ sub handler {
                      $syllabus{'uploaded.domain'});
        if ($target ne 'tex') {
 	   $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
-		     $lastmod.'</td><td>'.&mt('by').' '.$who.
+		     $lastmod.'</td><td>'.
+		     ($who ? &mt('by').' '.$who
+                           : '' ).
 		     '</td></tr></table><p>');
        } else {
-	   $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '.
-		     &Apache::loncommon::plainname($syllabus{'uploaded.name'},
-                     $syllabus{'uploaded.domain'}).'\\\\');
+	   $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
+		     ($who? &mt('by').'\\\\ '.
+		            &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
+		          :'')
+		     .'\\\\');
        }
        if ($allowed) {
 	   $r->print('<form method="post">'.
@@ -305,8 +365,10 @@ sub handler {
 		       $r->print($message);
 		   } 
 	       } else {
-		   &Apache::lonfeedback::newline_to_br(\$message);
-		   $message =~s|(https*://[^\s]+)|<a href="$1"><tt>$1</tt></a>/g;
+                   if (!&Apache::lonfeedback::contains_block_html($message)) {
+                       &Apache::lonfeedback::newline_to_br(\$message);
+                   }
+                   $message=&Apache::lonhtmlcommon::raw_href_to_link($message);
 		   if ($allowed) {
 		       $message=&Apache::lonspeller::markeduptext($message);
 		   }
@@ -323,7 +385,7 @@ sub handler {
 	       if ($allowed) {
 		   $r->print('<br /><textarea cols="80" rows="12" name="'.$field.'" id="'.$field.'">'.
 			     &HTML::Entities::encode($syllabus{$field},'"&<>').
-			     '</textarea> <input type="submit" name="storesyl" value="Store" />');
+			     '</textarea> <input type="submit" name="storesyl" value="'.&mt('Save').'" />');
 	       }
 	   }
        }
@@ -334,10 +396,15 @@ sub handler {
        if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
     } else {
 	if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');} 
-	$r->print('No syllabus information provided.');
+	$r->print(&mt('No syllabus information provided.'));
 	if ($target ne 'tex') {$r->print('</p>');}
     }
     if ($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>');
+        }
 	$r->print(&Apache::loncommon::end_page());
     } else {
 	$r->print('\end{document}');