--- loncom/xml/lonxml.pm	2010/01/28 18:46:47	1.494.4.3
+++ loncom/xml/lonxml.pm	2009/05/28 17:08:43	1.496
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.494.4.3 2010/01/28 18:46:47 raeburn Exp $
+# $Id: lonxml.pm,v 1.496 2009/05/28 17:08:43 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -757,8 +757,6 @@ sub init_safespace {
 		  '&maxima_cas_formula_fix');
 
   $safehole->wrap(\&Apache::lonr::r_eval,$safeeval,'&r_eval');
-  $safehole->wrap(\&Apache::lonr::Rentry,$safeeval,'&Rentry');
-  $safehole->wrap(\&Apache::lonr::Rarray,$safeeval,'&Rarray');
   $safehole->wrap(\&Apache::lonr::r_check,$safeeval,'&r_check');
   $safehole->wrap(\&Apache::lonr::r_cas_formula_fix,$safeeval,
                   '&r_cas_formula_fix');
@@ -1043,7 +1041,7 @@ sub get_id {
     my ($parstack,$safeeval)=@_;
     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
     if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
-	&error(&mt("ID [_1] contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
+	&error(&mt("ID &quot;[_1]&quot; contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
     }
     if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
     return $id;
@@ -1546,30 +1544,20 @@ sub renderingoptions {
                        = &Apache::loncommon::plainlanguagedescription($_);
         }
     }
-    my $output;
-    unless ($env{'form.forceedit'}) {
-       $output .=
-           '<span class="LC_nobreak">'.
-           &mt('Language:').' '.
-           &Apache::loncommon::select_form(
-               $env{'form.languages'},
-               'languages',
-               &Apache::lonlocal::texthash(%langchoices)).
-           '</span>';
-    }
-    $output .=
-     ' <span class="LC_nobreak">'.
+    return
+       '<span class="LC_nobreak">'.
+       &mt('Language:').' '.
+       &Apache::loncommon::select_form($env{'form.languages'},'languages',
+                                                     %langchoices).'
+     </span>
+     <span class="LC_nobreak">'.
        &mt('Math Rendering:').' '.
-       &Apache::loncommon::select_form(
-           $env{'form.texengine'},
-           'texengine',
-           &Apache::lonlocal::texthash
-               (''        => '',
-                'tth'     => 'tth (TeX to HTML)',
-                'jsMath'  => 'jsMath',
-                'mimetex' => 'mimetex (Convert to Images)')).
-     '</span>';
-    return $output;
+       &Apache::loncommon::select_form($env{'form.texengine'},'texengine',
+                                                     ('' => '',
+                                                      'tth' => 'tth (TeX to HTML)',
+                                                      'jsMath' => 'jsMath',
+                                                      'mimetex' => 'mimetex (Convert to Images)')).'
+     </span>';
 }
 
 sub inserteditinfo {
@@ -1716,21 +1704,6 @@ sub handler {
 	$request->set_last_modified(&Apache::lonnet::metadata($request->uri,
 							      'lastrevisiondate'));
     }
-    # Embedded Flash movies (e.g., from Camtasia) served from https will not display in IE
-    #   if XML config file has expired from cache.
-    if ($ENV{'SERVER_PORT'} == 443) {
-        if ($request->uri =~ /\.xml$/) {
-            my ($httpbrowser,$clientbrowser) =
-                &Apache::loncommon::decode_user_agent($request);
-            if ($clientbrowser =~ /^explorer$/i) {
-                delete $request->headers_out->{'Cache-control'};
-                delete $request->headers_out->{'Pragma'};
-                my $expiration = time + 60;
-                my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime($expiration));
-                $request->headers_out->set("Expires" => $date);
-            }
-        }
-    }
     $request->send_http_header;
     
     return OK if $request->header_only;
@@ -1762,10 +1735,13 @@ sub handler {
     if ($filecontents eq -1) {
 	my $start_page=&Apache::loncommon::start_page('File Error');
 	my $end_page=&Apache::loncommon::end_page();
-	my $fnf=&mt('File not found');
+        my $errormsg='<p class="LC_error">'
+                    .&mt('File not found: [_1]'
+                        ,'<span class="LC_filename">'.$file.'</span>')
+                    .'</p>';
 	$result=(<<ENDNOTFOUND);
 $start_page
-<b>$fnf: $file</b>
+$errormsg
 $end_page
 ENDNOTFOUND
         $filecontents='';
@@ -1804,11 +1780,14 @@ ENDNOTFOUND
 	    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 						    ['rawmode']);
 	    if ($env{'form.rawmode'}) { $result = $filecontents; }
-	    if ($filetype ne 'html') {
+            if ($filetype ne 'html') {
                 my $nochgview = 1; 
-		my $controls =
-		    ($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls($nochgview)
-		                                           : '';
+                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') {
                     $result =~ s/</&lt;/g;
                     $result =~ s/>/&gt;/g;
@@ -1817,17 +1796,27 @@ ENDNOTFOUND
                               '</pre></b></td></tr></table>';
                 }
                 if ($env{'environment.remote'} eq 'off') {
-                    my %options = ('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(),
+                                    '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();
                 } else {
                     $result = $controls.$result;
                 }
             }
-	}
+        }
     }
 
 #
@@ -1844,8 +1833,14 @@ ENDNOTFOUND
 
 	    my %options = 
 		('add_entries' =>
-                   {'onresize' => $add_to_onresize,
-		    'onload'   => $add_to_onload,   });
+                   {'onresize'     => $add_to_onresize,
+                    'onload'       => $add_to_onload,   });
+
+         $options{'bread_crumbs'} = [{
+                        'href' => &Apache::loncommon::authorspace(),
+                        'text' => 'Construction Space'},
+                       {'href' => '',
+                        'text' => 'HTML Editor'}];
 
 	    if ($env{'environment.remote'} ne 'off') {
 		$options{'bgcolor'}   = '#FFFFFF';
@@ -1856,10 +1851,12 @@ ENDNOTFOUND
 		&Apache::loncommon::resize_textarea_js();
 	    my $start_page = &Apache::loncommon::start_page(undef,$js,
 							    \%options);
-	    $result=$start_page.
-		&Apache::lonxml::message_location().
-		$edit_info.
-		&Apache::loncommon::end_page();
+            $result = $start_page
+                     .&Apache::loncommon::head_subbox(
+                          &Apache::loncommon::CSTR_pageheader())
+                     .&Apache::lonxml::message_location()
+                     .$edit_info
+                     .&Apache::loncommon::end_page();
         }
     }
     if ($filetype eq 'html') { &writeallows($request->uri); }