--- loncom/homework/structuretags.pm	2000/12/04 21:51:30	1.19
+++ loncom/homework/structuretags.pm	2000/12/12 22:35:52	1.21
@@ -43,7 +43,15 @@ sub start_problem {
 #adeed vars to the scripting enviroment
   my $expression='$external::part='.$Apache::inputtags::part.';';
   &Apache::run::run($expression,$safeeval);
-
+  if ($target ne 'meta') {
+    my ($date,$passed) = &Apache::lonhomework::check_date("OPEN_DATE",'0');
+    if ( !$passed ) {
+      my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
+      if ( $target eq "web" ) {
+	return "Problem is not open to be viewed. It opens on $date";
+      }
+    }
+  }
   if ($target eq 'web') {
     # create a page header and exit
     my $args ='';
@@ -64,7 +72,7 @@ sub end_problem {
     } elsif ($Apache::inputtags::part eq '0') {
       # if part is zero, no <part>s existed, so we need show the current 
       # grading status
-      $result.= &Apache::inputtags::gradestatus;
+      $result.= &Apache::inputtags::gradestatus($Apache::inputtags::part);
     } 
     if ($target eq 'web') { $result.="</form></body>\n"; }
   } else {
@@ -187,6 +195,14 @@ sub start_part {
   @Apache::inputtags::responselist = ();
   if ($target eq 'meta') {
     return &Apache::response::mandatory_part_meta;
+  } else {
+    my ($date,$passed) = &Apache::lonhomework::check_date("OPEN_DATE",$id);
+    if ( !$passed ) {
+      my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);
+      if ( $target eq "web" ) {
+	return "Part is not open to be viewed. It opens on $date";
+      }
+    }
   }
   return '';
 }
@@ -196,7 +212,7 @@ sub end_part {
   &Apache::lonxml::debug("in end_part $target ");
   if ( $target eq 'meta' ) { return ''; }
   if ( $target eq 'grade' ) { return &Apaceh::inputtags::grade; }
-  return &Apache::inputtags::gradestatus;
+  return &Apache::inputtags::gradestatus($Apache::inputtags::part);
 }
 
 1;