--- loncom/xml/lonxml.pm	2014/07/27 20:26:12	1.531.2.17
+++ loncom/xml/lonxml.pm	2013/05/05 00:10:16	1.539
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.531.2.17 2014/07/27 20:26:12 raeburn Exp $
+# $Id: lonxml.pm,v 1.539 2013/05/05 00:10:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -144,7 +144,7 @@ $metamode = 0;
 # turns on and of run::evaluate actually derefencing var refs
 $evaluate = 1;
 
-# data structure for edit mode, determines what tags can go into what other tags
+# data structure for eidt mode, determines what tags can go into what other tags
 %insertlist=();
 
 # stores the list of active tag namespaces
@@ -228,100 +228,6 @@ sub xmlend {
     return $discussion;
 }
 
-sub tokeninputfield {
-    my $defhost=$Apache::lonnet::perlvar{'lonHostID'};
-    $defhost=~tr/a-z/A-Z/;
-    return (<<ENDINPUTFIELD)
-<script type="text/javascript">
-    function updatetoken() {
-        var comp=new Array;
-        var barcode=unescape(document.tokeninput.barcode.value);
-        comp=barcode.split('*');
-        if (typeof(comp[0])!="undefined") {
-            document.tokeninput.codeone.value=comp[0];
-        }
-        if (typeof(comp[1])!="undefined") {
-            document.tokeninput.codetwo.value=comp[1];
-        }
-        if (typeof(comp[2])!="undefined") {
-            comp[2]=comp[2].toUpperCase();
-            document.tokeninput.codethree.value=comp[2];
-        }
-        document.tokeninput.barcode.value='';
-    }
-</script>
-<form method="post" name="tokeninput" action="">
-<table border="2" bgcolor="#FFFFBB">
-<tr><th>DocID Checkin</th></tr>
-<tr><td>
-<table>
-<tr>
-<td>Scan in Barcode</td>
-<td><input type="text" size="22" name="barcode"
-onchange="updatetoken()"/></td>
-</tr>
-<tr><td><i>or</i> Type in DocID</td>
-<td>
-<input type="text" size="5" name="codeone" />
-<b><font size="+2">*</font></b>
-<input type="text" size="5" name="codetwo" />
-<b><font size="+2">*</font></b>
-<input type="text" size="10" name="codethree" value="$defhost"
-onchange="this.value=this.value.toUpperCase()" />
-</td></tr>
-</table>
-</td></tr>
-<tr><td><input type="submit" value="Check in DocID" /></td></tr>
-</table>
-</form>
-ENDINPUTFIELD
-}
-
-sub maketoken {
-    my ($symb,$tuname,$tudom,$tcrsid)=@_;
-    unless ($symb) {
-        $symb=&Apache::lonnet::symbread();
-    }
-    unless ($tuname) {
-        $tuname=$env{'user.name'};
-        $tudom=$env{'user.domain'};
-        $tcrsid=$env{'request.course.id'};
-    }
-    return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
-}
-
-sub printtokenheader {
-    my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
-    unless ($token) { return ''; }
-
-    my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
-    unless ($tsymb) {
-        $tsymb=$symb;
-    }
-    unless ($tuname) {
-        $tuname=$name;
-        $tudom=$domain;
-        $tcrsid=$courseid;
-    }
-
-    my $plainname=&Apache::loncommon::plainname($tuname,$tudom);
-
-    if ($target eq 'web') {
-        my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
-        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.'.$tcrsid.'.description'}.
-               '<br />'.&mt('DocID').': '.$token.
-               '<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />';
-    } else {
-        return $token;
-    }
-}
-
 sub printalltags {
   my $temp;
   foreach $temp (sort keys %Apache::lonxml::alltags) {
@@ -400,12 +306,8 @@ sub xmlparse {
  &clean_safespace($safeeval);
 
  if (@script_var_displays) {
-     if ($finaloutput =~ m{</body>\s*</html>\s*$}s) {
-         my $scriptoutput = join('',@script_var_displays);
-         $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
-     } else {
-         $finaloutput .= join('',@script_var_displays);
-     }
+     my $scriptoutput = join('',@script_var_displays);
+     $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
      undef(@script_var_displays);
  }
  &init_state();
@@ -749,7 +651,7 @@ sub init_safespace {
   my ($target,$safeeval,$safehole,$safeinit) = @_;
   $safeeval->reval('use LaTeX::Table;');
   $safeeval->deny_only(':dangerous');
-  $safeeval->reval('use LONCAPA::LCMathComplex;');
+  $safeeval->reval('use Math::Complex;');
   $safeeval->permit_only(":default");
   $safeeval->permit("entereval");
   $safeeval->permit(":base_math");
@@ -1457,9 +1359,7 @@ sub do_registered_ssi {
 
 sub add_script_result {
     my ($display) = @_;
-    if ($display ne '') {
-        push(@script_var_displays, $display);
-    }
+    push(@script_var_displays, $display);
 }
 
 #
@@ -1610,61 +1510,53 @@ sub renderingoptions {
 }
 
 sub inserteditinfo {
-      my ($filecontents,$filetype,$filename,$symb,$itemtitle,$folderpath,$uri,$action) = @_;
+      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,$deps_button,$context,$cnum,$cdom,$add_to_onload,
-          $add_to_onresize,$init_dragmath);
+      my ($dragmath_button,$deps_button);
+      my ($add_to_onload, $add_to_onresize);
       $initialize=&Apache::lonhtmlcommon::spellheader();
-      if ($filetype eq 'html') {
-          if ($env{'request.course.id'}) {
-              $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-              $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-              if ($uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E}) {
-                  $context = 'syllabus';
-              }
-          }
-          if (&Apache::lonhtmlcommon::htmlareabrowser()) {
-	      my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
-              my %textarea_args = (
-                                    fullpage => 'true',
-                                    dragmath => 'math',
-                                  );
-              $initialize .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
-              if ($context eq 'syllabus') {
-                  $init_dragmath = "editmath_visibility('filecont','none')";
-              }
-          }
+      if (($filetype eq 'html') && (&Apache::lonhtmlcommon::htmlareabrowser())) {
+	  my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
+          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');
-        $init_dragmath
     }
 // ]]>
 </script>
 FULLPAGE
-      my $textareaclass;
       if ($filetype eq 'html') {
-          if ($context eq 'syllabus') {
-              $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
-              $initialize .=
-                  &Apache::lonhtmlcommon::dependencycheck_js(undef,&mt('Syllabus'),
-                                                             $uri,undef,
-                                                             "/public/$cdom/$cnum/syllabus").
-                  "\n";
-              if (&Apache::lonhtmlcommon::htmlareabrowser()) {
-                  $textareaclass = 'class="LC_richDefaultOn"';
+          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,$uri)."\n";
               }
-          } elsif ($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');
@@ -1673,14 +1565,11 @@ FULLPAGE
       $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
 
       if ($filetype eq 'html') {
-          my $not_author;
-          if ($uri =~ m{^/uploaded/}) {
-              $not_author = 1;
-          }
-	  $xml_help=&Apache::loncommon::helpLatexCheatsheet(undef,undef,$not_author);
+	  $xml_help=&Apache::loncommon::helpLatexCheatsheet();
       }
 
       my $titledisplay=&display_title();
+      my $textareaclass;
       my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
 					 'vi' => 'Save and View',
 					 'dv' => 'Discard Edits and View',
@@ -1696,19 +1585,13 @@ FULLPAGE
               $htmlerror='<span class="LC_error">'.$htmlerror.'</span>';
           }
           if (&Apache::lonhtmlcommon::htmlareabrowser()) {
-              unless ($textareaclass) {
-                  $textareaclass = 'class="LC_richDefaultOff"';
-              }
+              $textareaclass = 'class="LC_richDefaultOff"';
           }
       }
-      my $undo;
-      unless ($uri =~ m{^/uploaded/}) {
-          $undo = '<input type="submit" name="Undo" accesskey="u" value="'.$lt{'un'}.'" />'."\n";
-      }
       my $editfooter=(<<ENDFOOTER);
 $initialize
 <a name="editsection" />
-<form $form_events method="post" name="xmledit" action="$action">
+<form $form_events method="post" name="xmledit">
   <div class="LC_edit_problem_editxml_header">
     <table class="LC_edit_problem_header_title"><tr><td>
         $filename
@@ -1718,7 +1601,8 @@ $initialize
     </table>
     <div class="LC_edit_problem_discards">
       <input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
-      $undo $htmlerror $deps_button $dragmath_button
+      <input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
+      $htmlerror $deps_button $dragmath_button
     </div>
     <div class="LC_edit_problem_saves">
       <input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
@@ -1731,6 +1615,7 @@ $initialize
     $titledisplay
   </div>
 </form>
+</body>
 ENDFOOTER
       return ($editfooter,$add_to_onload,$add_to_onresize);;
 }
@@ -1806,19 +1691,6 @@ sub handler {
         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                                 ['todocs']);
     }
-    my ($cdom,$cnum);
-    if ($env{'request.course.id'}) {
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        if ($filetype eq 'html') {
-            if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E.+$}) {
-                if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
-                    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-                                                            ['editmode']);
-                }
-            }
-        }
-    }
     if ($filetype eq 'sty') {
         $breadcrumbtext = 'Style File Editor';
     } elsif ($filetype eq 'js') {
@@ -1845,7 +1717,6 @@ sub handler {
             }
 	}
     }
-    my $inhibit_menu;
     my %mystyle;
     my $result = '';
     my $filecontents=&Apache::lonnet::getfile($file);
@@ -1903,15 +1774,8 @@ ENDNOTFOUND
 	    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 						    ['rawmode']);
 	    if ($env{'form.rawmode'}) { $result = $filecontents; }
-            if (($env{'request.state'} eq 'construct') &&
-                (($filetype eq 'css') || ($filetype eq 'js')) && ($ENV{'HTTP_REFERER'})) {
-                if ($ENV{'HTTP_REFERER'} =~ m{^https?\://[^\/]+/priv/$LONCAPA::match_domain/$LONCAPA::match_username/[^\?]+\.(x?html?|swf)(|\?)[^\?]*$}) {
-                    $inhibit_menu = 1;
-                }
-            }
             if (($filetype ne 'html') && 
-                (!$env{'form.return_only_error_and_warning_counts'}) &&
-                (!$inhibit_menu)) {
+                (!$env{'form.return_only_error_and_warning_counts'})) {
                 my $nochgview = 1;
                 my $controls = '';
                     if ($env{'request.state'} eq 'construct') {
@@ -1929,7 +1793,7 @@ ENDNOTFOUND
                 my $brcrum;
                 if ($env{'request.state'} eq 'construct') {
                     $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
-                                'text' => 'Authoring Space'},
+                                'text' => 'Construction Space'},
                                {'href' => '',
                                 'text' => $breadcrumbtext}];
                 } else {
@@ -1949,24 +1813,20 @@ ENDNOTFOUND
 #
 # Edit action? Insert editing commands
 #
-    unless (($env{'request.state'} eq 'published') || ($inhibit_menu)) {
+    unless ($env{'request.state'} eq 'published') {
 	if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
 	{
-            my ($displayfile,$url,$symb,$itemtitle,$action);
+            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/$cnum/portfolio/syllabus/\E(.+)$}) {
-                        my $filename = $1;
-                        if ($1 eq 'loncapa.html') {
-                            $displayfile = &mt('Syllabus (minimal template)');
-                            $action = $request->uri.'?forceedit=1';
-                        } else {
-                            $displayfile = &mt('Syllabus file: [_1]',$1);
-                        }
+                        $displayfile = &mt('Syllabus file: [_1]',$1);
                         $itemtitle = &mt('Syllabus');
                     }
                 }
@@ -1982,7 +1842,7 @@ ENDNOTFOUND
 
 	    my ($edit_info, $add_to_onload, $add_to_onresize)=
 		&inserteditinfo($filecontents,$filetype,$displayfile,$symb,
-                                $itemtitle,$env{'form.folderpath'},$request->uri,$action);
+                                $itemtitle,$env{'form.folderpath'},$request->uri);
 
 	    my %options = 
 		('add_entries' =>
@@ -1992,7 +1852,7 @@ ENDNOTFOUND
             if ($env{'request.state'} eq 'construct') {
                 $options{'bread_crumbs'} = [{
                             'href' => &Apache::loncommon::authorspace($request->uri),
-                            'text' => 'Authoring Space'},
+                            'text' => 'Construction Space'},
                            {'href' => '',
                             'text' => $breadcrumbtext}];
                 $header = &Apache::loncommon::head_subbox(
@@ -2027,7 +1887,7 @@ sub display_title {
 	    $title = substr($title, rindex($title, '/') + 1);
 	}
         $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA "
-                  .&mt('Authoring Space')."';</script>";
+                  .&mt('Construction Space')."';</script>";
     }
     return $result;
 }
@@ -2219,6 +2079,7 @@ sub add_messages {
 
 sub get_param {
     my ($param,$parstack,$safeeval,$context,$case_insensitive, $noelide) = @_;
+
     if ( ! $context ) { $context = -1; }
     my $args ='';
     if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
@@ -2226,13 +2087,16 @@ sub get_param {
 	$args=$Apache::lonxml::style_values.$args;
     }
 
+
     if ($noelide) {
-        $args =~ s/'\$/'\\\$/g;
+#	$args =~ s/\\'/'/g;
+	$args =~ s/'\$/'\\\$/g;
     }
 
     if ( ! $args ) { return undef; }
     if ( $case_insensitive ) {
 	if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) {
+
 	    return &Apache::run::run("{$args;".'return $'.$param.'}',
                                      $safeeval); #'
 	} else {
@@ -2240,6 +2104,7 @@ sub get_param {
 	}
     } else {
 	if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) {
+	    
 	    return &Apache::run::run("{$args;".'return $'.$param.'}',
                                      $safeeval); #'
 	} else {
@@ -2401,7 +2266,7 @@ sub description {
 sub helpinfo {
     my ($token)=@_;
     my $tag = &get_tag($token);
-    return ($insertlist{$tag.'.helpfile'}, &mt($insertlist{$tag.'.helpdesc'}));
+    return ($insertlist{$tag.'.helpfile'}, $insertlist{$tag.'.helpdesc'});
 }
 
 sub get_tag {