--- loncom/xml/lonxml.pm	2009/10/15 21:12:51	1.500
+++ loncom/xml/lonxml.pm	2013/05/12 00:00:24	1.531.2.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.500 2009/10/15 21:12:51 raeburn Exp $
+# $Id: lonxml.pm,v 1.531.2.7 2013/05/12 00:00:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -111,6 +111,9 @@ use Apache::loncacc();
 use Apache::lonmaxima();
 use Apache::lonr();
 use Apache::lonlocal;
+use Apache::lonhtmlcommon();
+use Apache::functionplotresponse();
+use Apache::lonnavmaps();
 
 #====================================   Main subroutine: xmlparse  
 
@@ -208,8 +211,12 @@ sub xmlend {
     my $discussion;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 					   ['LONCAPA_INTERNAL_no_discussion']);
-    if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) ||
-        $env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') {
+    if (
+           (   (!exists($env{'form.LONCAPA_INTERNAL_no_discussion'})) 
+            || ($env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true')
+           ) 
+        && ($env{'form.inhibitmenu'} ne 'yes')
+       ) {
         $discussion=&Apache::lonfeedback::list_discussion($mode,$status);
     }
     if ($target eq 'tex') {
@@ -227,31 +234,31 @@ sub tokeninputfield {
     return (<<ENDINPUTFIELD)
 <script type="text/javascript">
     function updatetoken() {
-	var comp=new Array;
+        var comp=new Array;
         var barcode=unescape(document.tokeninput.barcode.value);
         comp=barcode.split('*');
         if (typeof(comp[0])!="undefined") {
-	    document.tokeninput.codeone.value=comp[0];
-	}
+            document.tokeninput.codeone.value=comp[0];
+        }
         if (typeof(comp[1])!="undefined") {
-	    document.tokeninput.codetwo.value=comp[1];
-	}
+            document.tokeninput.codetwo.value=comp[1];
+        }
         if (typeof(comp[2])!="undefined") {
             comp[2]=comp[2].toUpperCase();
-	    document.tokeninput.codethree.value=comp[2];
-	}
+            document.tokeninput.codethree.value=comp[2];
+        }
         document.tokeninput.barcode.value='';
-    }  
+    }
 </script>
-<form method="post" name="tokeninput">
+<form method="post" name="tokeninput" action="">
 <table border="2" bgcolor="#FFFFBB">
 <tr><th>DocID Checkin</th></tr>
 <tr><td>
 <table>
 <tr>
 <td>Scan in Barcode</td>
-<td><input type="text" size="22" name="barcode" 
-onChange="updatetoken()"/></td>
+<td><input type="text" size="22" name="barcode"
+onchange="updatetoken()"/></td>
 </tr>
 <tr><td><i>or</i> Type in DocID</td>
 <td>
@@ -259,8 +266,8 @@ onChange="updatetoken()"/></td>
 <b><font size="+2">*</font></b>
 <input type="text" size="5" name="codetwo" />
 <b><font size="+2">*</font></b>
-<input type="text" size="10" name="codethree" value="$defhost" 
-onChange="this.value=this.value.toUpperCase()" />
+<input type="text" size="10" name="codethree" value="$defhost"
+onchange="this.value=this.value.toUpperCase()" />
 </td></tr>
 </table>
 </td></tr>
@@ -273,14 +280,13 @@ ENDINPUTFIELD
 sub maketoken {
     my ($symb,$tuname,$tudom,$tcrsid)=@_;
     unless ($symb) {
-	$symb=&Apache::lonnet::symbread();
+        $symb=&Apache::lonnet::symbread();
     }
     unless ($tuname) {
-	$tuname=$env{'user.name'};
+        $tuname=$env{'user.name'};
         $tudom=$env{'user.domain'};
         $tcrsid=$env{'request.course.id'};
     }
-
     return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
 }
 
@@ -290,10 +296,10 @@ sub printtokenheader {
 
     my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
     unless ($tsymb) {
-	$tsymb=$symb;
+        $tsymb=$symb;
     }
     unless ($tuname) {
-	$tuname=$name;
+        $tuname=$name;
         $tudom=$domain;
         $tcrsid=$courseid;
     }
@@ -302,13 +308,13 @@ sub printtokenheader {
 
     if ($target eq 'web') {
         my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
-	return 
+        return
  '<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'.
                &mt('Checked out for').' '.$plainname.
                '<br />'.&mt('User').': '.$tuname.' at '.$tudom.
-	       '<br />'.&mt('ID').': '.$idhash{$tuname}.
-	       '<br />'.&mt('CourseID').': '.$tcrsid.
-	       '<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
+               '<br />'.&mt('ID').': '.$idhash{$tuname}.
+               '<br />'.&mt('CourseID').': '.$tcrsid.
+               '<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
                '<br />'.&mt('DocID').': '.$token.
                '<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />';
     } else {
@@ -394,7 +400,8 @@ sub xmlparse {
  &clean_safespace($safeeval);
 
  if (@script_var_displays) {
-     $finaloutput .= join('',@script_var_displays);
+     my $scriptoutput = join('',@script_var_displays);
+     $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
      undef(@script_var_displays);
  }
  &init_state();
@@ -570,6 +577,10 @@ sub inner_xmlparse {
   }
   if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
     $finaloutput=&afterburn($finaloutput);
+  }
+  if ($target eq 'modified') {
+# if modfied, handle startpart and endpart
+     $finaloutput=~s/\<startpartmarker[^\>]*\>(.*)\<endpartmarker[^\>]*\>/<part>$1<\/part>/gs;
   }	    
   return $finaloutput;
 }
@@ -732,6 +743,7 @@ sub setup_globals {
 
 sub init_safespace {
   my ($target,$safeeval,$safehole,$safeinit) = @_;
+  $safeeval->reval('use LaTeX::Table;');
   $safeeval->deny_only(':dangerous');
   $safeeval->reval('use Math::Complex;');
   $safeeval->permit_only(":default");
@@ -876,6 +888,15 @@ sub init_safespace {
   $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
   $safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
   $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_val,$safeeval,'&fpr_val');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_f,$safeeval,'&fpr_f');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_dfdx,$safeeval,'&fpr_dfdx');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_d2fdx2,$safeeval,'&fpr_d2fdx2');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorcoords,$safeeval,'&fpr_vectorcoords');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_objectcoords,$safeeval,'&fpr_objectcoords');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorlength,$safeeval,'&fpr_vectorlength');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorangle,$safeeval,'&fpr_vectorangle');
+
 #  use Data::Dumper;
 #  $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
 #need to inspect this class of ops
@@ -927,7 +948,8 @@ sub initialize_rndseed {
 sub default_homework_load {
     my ($safeeval)=@_;
     &Apache::lonxml::debug('Loading default_homework');
-    my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
+    my $default=&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonIncludes'}.
+                                         '/default_homework.lcpm');
     if ($default eq -1) {
 	&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
     } else {
@@ -1097,7 +1119,7 @@ the current 'bubble line number' is stor
 The value of it is stored in $Apache:lonxml::counter when live and
 stored back to env after done.
 
-=item &increment_counter($increment);
+=item &increment_counter($increment, $part_response);
 
 Increments the internal counter environment variable a specified amount
 
@@ -1523,17 +1545,25 @@ SIMPLECONTENT
 
 sub verify_html {
     my ($filecontents)=@_;
-    if ($filecontents!~/(?:\<|\&lt\;)(?:html|xml)[^\<]*(?:\>|\&gt\;)/is) {
-       return &mt('File does not have [_1] or [_2] starting tag','&lt;html&gt;','&lt;xml&gt;');
-    }
-    if ($filecontents!~/(?:\<|\&lt\;)\/(?:html|xml)(?:\>|\&gt\;)/is) {
-       return &mt('File does not have [_1] or [_2] ending tag','&lt;html&gt;','&lt;xml&gt;');
-    }
-    if ($filecontents!~/(?:\<|\&lt\;)(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
-       return &mt('File does not have [_1] or [_2] starting tag','&lt;body&gt;','&lt;frameset&gt;');
-    }
-    if ($filecontents!~/(?:\<|\&lt\;)\/(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
-       return &mt('File does not have [_1] or [_2] ending tag','&lt;body&gt;','&lt;frameset&gt;');
+    my ($is_html,$is_xml);
+    if ($filecontents =~/(?:\<|\&lt\;)\?xml[^\<]*\?(?:\>|\&gt\;)/is) {
+        $is_xml = 1;
+    } elsif ($filecontents =~/(?:\<|\&lt\;)html(?:\s+[^\<]+|\s*)(?:\>|\&gt\;)/is) {
+        $is_html = 1;
+    }
+    unless ($is_xml || $is_html) {
+        return &mt('File does not have [_1] or [_2] starting tag','&lt;html&gt;','&lt;?xml ?&gt;');
+    }
+    if ($is_html) {
+        if ($filecontents!~/(?:\<|\&lt\;)\/html(?:\>|\&gt\;)/is) {
+            return &mt('File does not have [_1] ending tag','&lt;html&gt;');
+        }
+        if ($filecontents!~/(?:\<|\&lt\;)(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
+            return &mt('File does not have [_1] or [_2] starting tag','&lt;body&gt;','&lt;frameset&gt;');
+        }
+        if ($filecontents!~/(?:\<|\&lt\;)\/(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
+            return &mt('File does not have [_1] or [_2] ending tag','&lt;body&gt;','&lt;frameset&gt;');
+        }
     }
     return '';
 }
@@ -1548,75 +1578,83 @@ sub renderingoptions {
     }
     my $output;
     unless ($env{'form.forceedit'}) {
-       $output .= '  
-           <span class="LC_nobreak">'.
+       $output .=
+           '<span class="LC_nobreak">'.
            &mt('Language:').' '.
-           &Apache::loncommon::select_form($env{'form.languages'},'languages',
-                                           %langchoices).'
-           </span>';
+           &Apache::loncommon::select_form(
+               $env{'form.languages'},
+               'languages',
+               {&Apache::lonlocal::texthash(%langchoices)}).
+           '</span>';
     }
-    $output .= '
-     <span class="LC_nobreak">'.
+    $output .=
+     ' <span class="LC_nobreak">'.
        &mt('Math Rendering:').' '.
-       &Apache::loncommon::select_form($env{'form.texengine'},'texengine',
-                                                     ('' => '',
-                                                      'tth' => 'tth (TeX to HTML)',
-                                                      'jsMath' => 'jsMath',
-                                                      'mimetex' => 'mimetex (Convert to Images)')).'
-     </span>';
+       &Apache::loncommon::select_form(
+           $env{'form.texengine'},
+           'texengine',
+           {&Apache::lonlocal::texthash
+               (''        => '',
+                'tth'     => 'tth (TeX to HTML)',
+                'MathJax' => 'MathJax',
+  		'jsMath'  => 'jsMath',
+                'mimetex' => 'mimetex (Convert to Images)')}).
+     '</span>';
     return $output;
 }
 
 sub inserteditinfo {
-      my ($filecontents, $filetype, $filename)=@_;
+      my ($filecontents,$filetype,$filename,$symb,$itemtitle,$folderpath,$uri) = @_;
       $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
       my $xml_help = '';
       my $initialize='';
       my $textarea_id = 'filecont';
-      my $dragmath_button;
+      my ($dragmath_button,$deps_button);
       my ($add_to_onload, $add_to_onresize);
       $initialize=&Apache::lonhtmlcommon::spellheader();
-      if ($filetype eq 'html' 
-	  && (!&Apache::lonhtmlcommon::htmlareablocked() &&
-	      &Apache::lonhtmlcommon::htmlareabrowser())) {
-	  $textarea_id .= '___Frame';
+      if (($filetype eq 'html') && (&Apache::lonhtmlcommon::htmlareabrowser())) {
 	  my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
-	  $initialize.=(<<FULLPAGE);
-<script type="text/javascript">
-lonca
-    function initDocument() {
-        var oFCKeditor = new FCKeditor('filecont');
-	oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js'  ;
-	oFCKeditor.Config['FullPage'] = true
-	oFCKeditor.Config['AutoDetectLanguage'] = false;
-        oFCKeditor.Config['DefaultLanguage'] = "$lang";
-	oFCKeditor.ReplaceTextarea();
-    }
-    function check_if_dirty(editor) {
-	if (editor.IsDirty()) {
-	    unClean();
-	}
-    }
-    function FCKeditor_OnComplete(editor) {
-	editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
-	resize_textarea('$textarea_id','LC_aftertextarea');
-    }
-</script>
-FULLPAGE
-      } else {
-	  $initialize.=(<<FULLPAGE);
+          my %textarea_args = (
+                                fullpage => 'true',
+                                dragmath => 'math',
+                              );
+          $initialize .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args); 
+      }
+      $initialize .= (<<FULLPAGE);
 <script type="text/javascript">
+// <![CDATA[
     function initDocument() {
 	resize_textarea('$textarea_id','LC_aftertextarea');
     }
+// ]]>
 </script>
 FULLPAGE
-          if ($filetype eq 'html') {
-              $initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
-              $dragmath_button = &Apache::lonhtmlcommon::dragmath_button('filecont',1);
+      if ($filetype eq 'html') {
+          my $context;
+          if ($env{'request.course.id'}) {
+              my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+              my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+              if ($uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E}) {
+                  $context = 'syllabus';
+                  $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
+                  $initialize .=
+                      &Apache::lonhtmlcommon::dependencycheck_js(undef,&mt('Syllabus'),
+                                                                 $uri,undef,
+                                                                 "/public/$cdom/$cnum/syllabus").
+                      "\n";
+              }
+          }
+          unless ($context eq 'syllabus') {
+              if ($symb || $folderpath) {
+                  $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
+                  $initialize .=
+                      &Apache::lonhtmlcommon::dependencycheck_js($symb,$itemtitle,
+                                                                 undef,$folderpath,$uri)."\n";
+              }
           }
+          $dragmath_button = '<span id="math_filecont">'.&Apache::lonhtmlcommon::dragmath_button('filecont',1).'</span>';
+          $initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
       }
-
       $add_to_onload = 'initDocument();';
       $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
 
@@ -1625,12 +1663,13 @@ FULLPAGE
       }
 
       my $titledisplay=&display_title();
+      my $textareaclass;
       my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
 					 'vi' => 'Save and View',
 					 'dv' => 'Discard Edits and View',
 					 'un' => 'undo',
 					 'ed' => 'Edit');
-      my $spelllink .=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
+      my $spelllink = &Apache::lonhtmlcommon::spelllink('xmledit','filecont');
       my $textarea_events = &Apache::edit::element_change_detection();
       my $form_events     = &Apache::edit::form_change_detection();
       my $htmlerror;
@@ -1639,6 +1678,9 @@ FULLPAGE
           if ($htmlerror) {
               $htmlerror='<span class="LC_error">'.$htmlerror.'</span>';
           }
+          if (&Apache::lonhtmlcommon::htmlareabrowser()) {
+              $textareaclass = 'class="LC_richDefaultOff"';
+          }
       }
       my $editfooter=(<<ENDFOOTER);
 $initialize
@@ -1654,14 +1696,14 @@ $initialize
     <div class="LC_edit_problem_discards">
       <input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
       <input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
-      $dragmath_button $spelllink $htmlerror
+      $htmlerror $deps_button $dragmath_button
     </div>
     <div class="LC_edit_problem_saves">
       <input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
       <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
     </div>
   </div>
-  <textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
+  <textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont" $textareaclass>$filecontents</textarea><br />$spelllink
   <div id="LC_aftertextarea">
     <br />
     $titledisplay
@@ -1732,12 +1774,30 @@ sub handler {
 
 
     my $file=&Apache::lonnet::filelocation("",$request->uri);
-    my $filetype;
-    if ($file =~ /\.(sty|css|js|txt)$/) {
+    my ($filetype,$breadcrumbtext);
+    if ($file =~ /\.(sty|css|js|txt|tex)$/) {
 	$filetype=$1;
     } else {
 	$filetype='html';
     }
+    unless ($env{'request.uri'}) {
+        $env{'request.uri'}=$request->uri;
+        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                                ['todocs']);
+    }
+    if ($filetype eq 'sty') {
+        $breadcrumbtext = 'Style File Editor';
+    } elsif ($filetype eq 'js') {
+        $breadcrumbtext = 'Javascript Editor';
+    } elsif ($filetype eq 'css') {
+        $breadcrumbtext = 'CSS Editor';
+    } elsif ($filetype eq 'txt') {
+        $breadcrumbtext = 'Text Editor';
+    } elsif ($filetype eq 'tex') {
+        $breadcrumbtext = 'TeX Editor';
+    } else {
+        $breadcrumbtext = 'HTML Editor';
+    }
 
 #
 # Edit action? Save file.
@@ -1772,7 +1832,7 @@ ENDNOTFOUND
 		$filecontents=&createnewsty();
             } elsif ($filetype eq 'js') {
                 $filecontents=&createnewjs();
-            } elsif (($filetype ne 'css') && ($filetype ne 'txt')) {
+            } elsif ($filetype ne 'css' && $filetype ne 'txt' && $filetype ne 'tex') {
 		$filecontents=&createnewhtml();
 	    }
 	    $env{'form.editmode'}='Edit'; #force edit mode
@@ -1796,47 +1856,50 @@ ENDNOTFOUND
 	    # up if it did
 	        &Apache::structuretags::reset_problem_globals();
 	        &Apache::lonhomework::finished_parsing();
+            } elsif ($filetype eq 'tex') {
+                $result = &Apache::lontexconvert::converted(\$filecontents,
+                              $env{'form.texengine'});
+                if ($env{'form.return_only_error_and_warning_counts'}) {
+                    $result = "$errorcount:$warningcount";
+                }
             } else {
                 $result = $filecontents;
             }
 	    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 						    ['rawmode']);
 	    if ($env{'form.rawmode'}) { $result = $filecontents; }
-            if ($filetype ne 'html') {
-                my $nochgview = 1; 
+            if (($filetype ne 'html') && 
+                (!$env{'form.return_only_error_and_warning_counts'})) {
+                my $nochgview = 1;
                 my $controls = '';
                     if ($env{'request.state'} eq 'construct') {
                         $controls = &Apache::loncommon::head_subbox(
                                         &Apache::loncommon::CSTR_pageheader()
                                        .&Apache::londefdef::edit_controls($nochgview));
                     }
-                if ($filetype ne 'sty') {
+                if ($filetype ne 'sty' && $filetype ne 'tex') {
                     $result =~ s/</&lt;/g;
                     $result =~ s/>/&gt;/g;
                     $result = '<table class="LC_sty_begin">'.
                               '<tr><td><b><pre>'.$result.
                               '</pre></b></td></tr></table>';
                 }
-                if ($env{'environment.remote'} eq 'off') {
-                    my $brcrum;
-                    if ($env{'request.state'} eq 'construct') {
-                        $brcrum = [{'href' => &Apache::loncommon::authorspace(),
-                                    'text' => 'Construction Space'},
-                                   {'href' => '',
-                                    'text' => 'Editor'}];
-                    } else {
-                        $brcrum = ''; # FIXME: Where are we?
-                    }
-                    my %options = ('bread_crumbs' => $brcrum,
-                                   'bgcolor'      => '#FFFFFF');
-                    $result =
-                        &Apache::loncommon::start_page(undef,undef,\%options)
-                       .$controls
-                       .$result
-                       .&Apache::loncommon::end_page();
+                my $brcrum;
+                if ($env{'request.state'} eq 'construct') {
+                    $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
+                                'text' => 'Construction Space'},
+                               {'href' => '',
+                                'text' => $breadcrumbtext}];
                 } else {
-                    $result = $controls.$result;
+                    $brcrum = ''; # FIXME: Where are we?
                 }
+                my %options = ('bread_crumbs' => $brcrum,
+                               'bgcolor'      => '#FFFFFF');
+                $result =
+                    &Apache::loncommon::start_page(undef,undef,\%options)
+                   .$controls
+                   .$result
+                   .&Apache::loncommon::end_page();
             }
         }
     }
@@ -1847,11 +1910,33 @@ ENDNOTFOUND
     unless ($env{'request.state'} eq 'published') {
 	if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
 	{
-	    my $displayfile=$request->uri;
-	    $displayfile=~s/^\/[^\/]*//;
+            my ($displayfile,$url,$symb,$itemtitle);
+	    $displayfile=$request->uri;
+            if ($request->uri =~ m{^/uploaded/}) {
+                if ($env{'request.course.id'}) {
+                    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                    if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/supplemental/\E}) {
+                        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                                                ['folderpath','title']);
+                    } elsif ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
+                        $displayfile = &mt('Syllabus file: [_1]',$1);
+                        $itemtitle = &mt('Syllabus');
+                    }
+                }
+                unless ($itemtitle) {
+                    ($symb,$itemtitle,$displayfile) = 
+                        &get_courseupload_hierarchy($request->uri,
+                                                    $env{'form.folderpath'},
+                                                    $env{'form.title'});
+                }
+            } else {
+	        $displayfile=~s/^\/[^\/]*//;
+            }
 
 	    my ($edit_info, $add_to_onload, $add_to_onresize)=
-		&inserteditinfo($filecontents,$filetype,$displayfile);
+		&inserteditinfo($filecontents,$filetype,$displayfile,$symb,
+                                $itemtitle,$env{'form.folderpath'},$request->uri);
 
 	    my %options = 
 		('add_entries' =>
@@ -1860,17 +1945,13 @@ ENDNOTFOUND
             my $header;
             if ($env{'request.state'} eq 'construct') {
                 $options{'bread_crumbs'} = [{
-                            'href' => &Apache::loncommon::authorspace(),
+                            'href' => &Apache::loncommon::authorspace($request->uri),
                             'text' => 'Construction Space'},
                            {'href' => '',
-                            'text' => 'HTML Editor'}];
+                            'text' => $breadcrumbtext}];
                 $header = &Apache::loncommon::head_subbox(
                               &Apache::loncommon::CSTR_pageheader());
             }
-	    if ($env{'environment.remote'} ne 'off') {
-		$options{'bgcolor'}   = '#FFFFFF';
-		$options{'only_body'} = 1;
-	    }
 	    my $js =
 		&Apache::edit::js_change_detection().
 		&Apache::loncommon::resize_textarea_js();
@@ -1884,7 +1965,7 @@ ENDNOTFOUND
         }
     }
     if ($filetype eq 'html') { &writeallows($request->uri); }
-    
+
     &Apache::lonxml::add_messages(\$result);
     $request->print($result);
     
@@ -1905,6 +1986,42 @@ sub display_title {
     return $result;
 }
 
+sub get_courseupload_hierarchy {
+    my ($url,$folderpath,$title) = @_;
+    my ($symb,$itemtitle,$displaypath);
+    if ($env{'request.course.id'}) {
+        if ($folderpath =~ /^supplemental/) {
+            my @folders = split(/\&/,$folderpath);
+            my @pathitems;
+            while (@folders) {
+                my $folder=shift(@folders);
+                my $foldername=shift(@folders);
+                $foldername =~ s/\:(\d*)\:(\w*)\:(\w*):(\d*)\:?(\d*)$//;
+                push(@pathitems,&unescape($foldername));
+            }
+            if ($title) {
+                push(@pathitems,&unescape($title));
+            }
+            $displaypath = join(' &raquo; ',@pathitems);
+        } else {
+            $symb = &Apache::lonnet::symbread($url);
+            my ($map,$id,$res)=&Apache::lonnet::decode_symb($symb);
+            my $navmap=Apache::lonnavmaps::navmap->new;
+            if (ref($navmap)) {
+                my $res = $navmap->getBySymb($symb);
+                if (ref($res)) {
+                    my @pathitems =
+                        &Apache::loncommon::get_folder_hierarchy($navmap,$map,1);
+                    $itemtitle = $res->compTitle();
+                    push(@pathitems,$itemtitle);
+                    $displaypath = join(' &raquo; ',@pathitems);
+                }
+            }
+        }
+    }
+    return ($symb,$itemtitle,$displaypath);
+}
+
 sub debug {
     if ($Apache::lonxml::debug eq "1") {
 	$|=1;
@@ -1921,8 +2038,9 @@ sub debug {
 }
 
 sub show_error_warn_msg {
-    if ($env{'request.filename'} eq '/home/httpd/html/res/lib/templates/simpleproblem.problem' &&
-	&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+    if (($env{'request.filename'} eq 
+         $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/lib/templates/simpleproblem.problem') &&
+        (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
 	return 1;
     }
     return (($Apache::lonxml::debug eq 1) ||
@@ -1986,7 +2104,7 @@ sub error {
 	    my @userlist;
 	    foreach (keys %users) {
 		my ($user,$domain) = split(/:/, $_);
-		push(@userlist,"$user\@$domain");
+		push(@userlist,"$user:$domain");
 		my $key=$declutter.'_'.$user.'_'.$domain;
 		my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',
 						      [$key],
@@ -2009,7 +2127,7 @@ sub error {
 		$errormsg=&mt("An error occurred while processing this resource. The instructor has been notified.");
 	    }
 	}
-	push(@Apache::lonxml::error_messages,"<b>$errormsg</b> <br />");
+	push(@Apache::lonxml::error_messages,"<span class=\"LC_warning\">$errormsg</span><br />");
     }
 }
 
@@ -2054,13 +2172,18 @@ sub add_messages {
 }
 
 sub get_param {
-    my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
+    my ($param,$parstack,$safeeval,$context,$case_insensitive, $noelide) = @_;
     if ( ! $context ) { $context = -1; }
     my $args ='';
     if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
     if ( ! $Apache::lonxml::usestyle ) {
 	$args=$Apache::lonxml::style_values.$args;
     }
+
+    if ($noelide) {
+        $args =~ s/'\$/'\\\$/g;
+    }
+
     if ( ! $args ) { return undef; }
     if ( $case_insensitive ) {
 	if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) {
@@ -2117,11 +2240,13 @@ sub register_insert_xml {
     while (my $token = $parser->get_token()) {
 	if ($token->[0] eq 'S') {
 	    my $key;
-	    if      ($token->[1] eq 'tag') {
+	    if ($token->[1] eq 'tag') {
 		$tag = $token->[2]{'name'};
-		$insertlist{"$tagnum.tag"} = $tag;
-		$insertlist{"$tag.num"}   = $tagnum;
-		push(@alltags,$tag);
+                if (defined($tag)) {
+		    $insertlist{$tagnum.'.tag'} = $tag;
+		    $insertlist{$tag.'.num'}   = $tagnum;
+		    push(@alltags,$tag);
+                }
 	    } elsif ($in_help && $token->[1] eq 'file') {
 		$key = $tag.'.helpfile';
 	    } elsif ($in_help && $token->[1] eq 'description') {
@@ -2153,12 +2278,12 @@ sub register_insert_xml {
     
     # parse the allows and ignore tags set to <show>no</show>
     foreach my $tag (@alltags) {	
-        next if (!exists($insertlist{"$tag.allow"}));
-	my $allow =  $insertlist{"$tag.allow"};
+        next if (!exists($insertlist{$tag.'.allow'}));
+	my $allow =  $insertlist{$tag.'.allow'};
        	foreach my $element (split(',',$allow)) {
 	    $element =~ s/(^\s*|\s*$ )//gx;
-	    if (!exists($insertlist{"$element.show"})
-                || $insertlist{"$element.show"} ne 'no') {
+	    if (!exists($insertlist{$element.'.show'})
+                || $insertlist{$element.'.show'} ne 'no') {
 		push(@{ $insertlist{$tag.'.which'} },$element);
 	    }
 	}
@@ -2253,24 +2378,20 @@ sub get_tag {
 
 =pod
 
-=item &print_pdf_radiobutton(fieldname, value,  text)
+=item &print_pdf_radiobutton(fieldname, value)
 
-Returns a latexline to generate a PDF-Form-Radiobutton with Text.
+Returns a latexline to generate a PDF-Form-Radiobutton.
+Note: Radiobuttons with equal names are automaticly grouped 
+      in a selection-group.
 
-$fieldname: PDF internalname of the radiobutton
-$value:     Value of radiobutton (read when dumping the PDF data)
-$text:      Text on the rightside of the radiobutton
+$fieldname: PDF internalname of the radiobutton(group)
+$value:     Value of radiobutton
 
 =cut
 sub print_pdf_radiobutton {
-    my $result = '';
-    my ($fieldName, $value, $text) = @_;
-    $result .= '\begin{tabularx}{\textwidth}{p{0cm}X}'."\n";
-    $result .= '\radioButton[\symbolchoice{circle}]{'. 
-               $fieldName.'}{10bp}{10bp}{'.$value.'}&'.$text."\n";
-    $result .= '\end{tabularx}' . "\n";
-    $result .= '\hspace{2mm}' . "\n";
-    return $result;
+    my ($fieldname, $value) = @_;
+    return '\radioButton[\symbolchoice{circle}]{'
+           .$fieldname.'}{10bp}{10bp}{'.$value.'}';
 }