--- loncom/interface/lonsyllabus.pm	2004/01/15 04:46:36	1.26
+++ loncom/interface/lonsyllabus.pm	2005/02/17 08:29:43	1.39
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Syllabus
 #
-# $Id: lonsyllabus.pm,v 1.26 2004/01/15 04:46:36 albertel Exp $
+# $Id: lonsyllabus.pm,v 1.39 2005/02/17 08:29:43 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,6 +36,8 @@ use Apache::lontexconvert;
 use Apache::lonfeedback;
 use Apache::lonannounce;
 use Apache::lonlocal;
+use Apache::lonhtmlcommon;
+use Apache::lonspeller();
 
 sub handler {
     my $r = shift;
@@ -44,11 +46,17 @@ sub handler {
     return OK if $r->header_only;
 
 # ------------------------------------------------------------ Print the screen
-    $r->print(<<ENDDOCUMENT);
-<html>
+    my $target=$ENV{'form.grade_target'};
+    if ($target ne 'tex') {
+	my $html=&Apache::lonxml::xmlbegin();
+	$r->print(<<ENDDOCUMENT);
+$html
 <head>
 <title>The LearningOnline Network with CAPA</title>
 ENDDOCUMENT
+    } else {
+	$r->print(&Apache::lonprintout::print_latex_header($ENV{'form.latex_type'}));
+    } 
     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
 # Is this even a course?
     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); 
@@ -76,7 +84,7 @@ ENDDOCUMENT
 
 # ------------------------------------------------------------ Get query string
     &Apache::loncommon::get_unprocessed_cgi
-                        ($ENV{'QUERY_STRING'},['forcestudent','register']);
+                        ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit']);
 # ----------------------------------------------------- Force menu registration
     my $addentries='';
     if ($ENV{'form.register'}) {
@@ -87,33 +95,69 @@ ENDDOCUMENT
 # --------------------------------------------------------------- Force Student
     my $forcestudent='';
     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
+    my $forceedit='';
+    if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
        
 # ------------------------------------- There is such a course, get environment
     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
-    $r->print('</head>'.&Apache::loncommon::bodytag
-       ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
-    $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
-              $Apache::lonnet::domaindescription{$cdom}.'</h3>');
+    if ($target ne 'tex') {
+	$r->print(&Apache::lonhtmlcommon::htmlareaheaders().
+		  '</head>'.&Apache::loncommon::bodytag
+            ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
+	$r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
+                 $Apache::lonnet::domaindescription{$cdom}.'</h3>');
+    } else {
+	$r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
+                 $Apache::lonnet::domaindescription{$cdom}.'}\\\\');
+    }
 # -------------------------------------------------------------- Announcements?
-    $r->print(&Apache::lonannounce::showday(time,2,
+    if ($target ne 'tex') {
+	$r->print(&Apache::lonannounce::showday(time,2,
                          &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));
+    } else {
+	$r->print(&Apache::lonxml::xmlparse($r,'tex',
+		       &Apache::lonannounce::showday(time,2,
+                       &Apache::lonannounce::readcalendar($cdom.'_'.$cnum))));
+    }
 # -------------------------------------------------------- Get course personnel
     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
-    $r->print('<table border="2">');
-    foreach (sort keys %coursepersonnel) {
-	$r->print('<tr><td>'.$_.'</td><td>');
-        foreach (split(/\,/,$coursepersonnel{$_})) {
+    if ($target ne 'tex') {
+	$r->print('<table border="2">');
+    } else {
+	$r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
+    }
+    foreach my $element (sort keys %coursepersonnel) {
+	if ($target ne 'tex') {
+	    $r->print('<tr><td>'.$element.'</td><td>');
+	} else {
+	    $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & '); 
+	}
+        foreach (split(/\,/,$coursepersonnel{$element})) {
 	    my ($puname,$pudom)=split(/\:/,$_);
-	    $r->print(' '.&Apache::loncommon::aboutmewrapper(
-                          &Apache::loncommon::plainname($puname,
-                          $pudom),$puname,$pudom));
+	    if ($target ne 'tex') {
+		$r->print(' '.&Apache::loncommon::aboutmewrapper(
+                              &Apache::loncommon::plainname($puname,
+                              $pudom),$puname,$pudom));
+	    } else {
+		$r->print(' '.&Apache::loncommon::plainname($puname,
+                              $pudom).' ');
+	    }
 	}
-        $r->print('</td></tr>');
+	if ($target ne 'tex') {
+	    $r->print('</td></tr>');
+	} else {
+	    $r->print('\\\\ \hline');
+	}
+    }
+    if ($target ne 'tex') {
+	$r->print('</table>');
+    } else {
+	$r->print('\end{tabular}\\\\');
     }
-    $r->print('</table>');
 # ---------------------------------------------------------- Load syllabus info
     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
     my $allowed=0;
+    my $privileged=0;
 
 # This handler might be called anonymously ...
 # ----------------------------------------------------- Only if not public call
@@ -121,7 +165,11 @@ ENDDOCUMENT
 # does this user have privileges to post, etc?
        if ($ENV{'request.course.id'}) {
           $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
-          if ($forcestudent) { $allowed=0; }
+	  $privileged=$allowed;
+	  if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
+	      $forcestudent='student';
+	  }
+          if ($forcestudent or $target eq 'tex') { $allowed=0; }
        }
        if ($allowed) {
           $r->print('<p>'.
@@ -129,15 +177,24 @@ ENDDOCUMENT
 		    .' <tt>http://'.
 		    $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
                &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
-	  '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
+	  '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.
+&mt('Show Public View').'</font></a>'.
           &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
           '</p>');
+      } elsif ($privileged) {
+	  if ($target ne 'tex') {
+	      $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
+			&mt('Edit').'</font></a>'); 
+	  }
       }
        if (($allowed) && ($ENV{'form.storesyl'})) {
 	   foreach (keys %syllabusfields) {
                my $field=$ENV{'form.'.$_};
+	       chomp($field);
                $field=~s/\s+$//s;
-               $field=&Apache::lonfeedback::clear_out_html($field,1);
+	       $field=~s/^\s+//s;
+	       $field=~s/\<br\s*\/*\>$//s;
+	       $field=&Apache::lonfeedback::clear_out_html($field,1);
 	       $syllabus{$_}=$field;
                if ($_ eq 'lll_includeurl') { # clean up included URLs
                   my $field='';
@@ -181,14 +238,22 @@ ENDDOCUMENT
                     &Apache::loncommon::plainname($syllabus{'uploaded.name'},
                      $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
                      $syllabus{'uploaded.domain'});
-       $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
-		 $lastmod.'</td><td>'.&mt('by').' '.$who.
-		 '</td></tr></table><p>');
+       if ($target ne 'tex') {
+	   $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
+		     $lastmod.'</td><td>'.&mt('by').' '.$who.
+		     '</td></tr></table><p>');
+       } else {
+	   $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '.
+		     &Apache::loncommon::plainname($syllabus{'uploaded.name'},
+                     $syllabus{'uploaded.domain'}).'\\\\');
+       }
        if ($allowed) {
-	   $r->print('<form method="post">');
+	   $r->print('<form method="post">'.
+		     '<input type="hidden" name="forceedit" value="edit" />');
        }
+       my @htmlids=();
        foreach (sort keys %syllabusfields) {
-          if (($syllabus{$_}) || ($allowed)) {
+          if (($syllabus{$_}=~/\w/) || ($allowed)) {
               my $message=$syllabus{$_};
               if ($_ eq 'lll_includeurl') { # this is the "included" field
 		  my $urls=$message;
@@ -205,12 +270,16 @@ ENDDOCUMENT
 # embed as an image
                          $output='<img src="'.$filelink.'" />';
 		      }
-                      $message.='<p>'.$output.'</p>';
+		      if ($target ne 'tex') {
+			  $message.='<p>'.$output.'</p>';
+		      } else {
+			  $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
+		      }		      
                   }
                   if ($allowed) {
                      $r->print('<h3>'.$syllabusfields{$_}.
           &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
-	  '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
+	  '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Public View').'</font></a>'.
  &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
 		 } else {
                   $r->print($message);
@@ -219,25 +288,38 @@ ENDDOCUMENT
                  $message=~s/\n/\<br \/\>/g;
                  $message
            =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
+		 if ($allowed) {
+		     $message=&Apache::lonspeller::markeduptext($message);
+		 }
 	         $message=&Apache::lontexconvert::msgtexconverted($message);
-                 $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
-                        $message.'</blockquote>');
+		 if ($target ne 'tex') {
+		     $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
+                               $message.'</blockquote>');
+		 } else {
+		     $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
+			       &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
+		 }
+		 push @htmlids,$_;
 	     }
               if ($allowed) {
-                 $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
+                 $r->print(
+	   '<br /><textarea cols="80" rows="12" name="'.$_.'" id="'.$_.'">'.
 			   $syllabus{$_}.
-           '</textarea><input type="submit" name="storesyl" value="Store" />');
+           '</textarea> <input type="submit" name="storesyl" value="Store" />');
 	      }
 	  }
        }
        if ($allowed) {
-	   $r->print('</form>');
+	   $r->print('</form>'.
+		     &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
        }
-       $r->print('</p>');
+       if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
     } else {
-       $r->print('<p>No syllabus information provided.</p>');
+	if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');} 
+	$r->print('No syllabus information provided.');
+	if ($target ne 'tex') {$r->print('</p>');}
     }
-    $r->print('</body></html>');
+    if ($target ne 'tex') {$r->print('</body></html>');} else {$r->print('\end{document}');}
     return OK;
 }