--- loncom/homework/structuretags.pm	2001/09/14 20:17:35	1.67
+++ loncom/homework/structuretags.pm	2001/09/18 02:21:13	1.68
@@ -152,7 +152,7 @@ sub start_problem {
     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
 
 
-  if ($target eq 'web' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     #handle exam checkout
     if ($Apache::lonhomework::type eq 'exam') {
       my $token=$Apache::lonhomework::history{"resource.0.outtoken"};
@@ -252,17 +252,20 @@ sub end_problem {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result='';
   my $status=$Apache::inputtags::status['-1'];
-  if ($target eq 'grade' || $target eq 'web' ) {
+  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ) {
     if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
        $status eq 'CAN_ANSWER') {
       # if part is zero, no <part>s existed, so we need to the grading
       &Apache::inputtags::grade;
-    } elsif ($Apache::inputtags::part eq '0') {
+    } elsif ( $target eq 'web' && $Apache::inputtags::part eq '0') {
       # if part is zero, no <part>s existed, so we need show the current 
       # grading status
       $result.= &Apache::inputtags::gradestatus($Apache::inputtags::part);
     }
-    if ($target eq 'web') { 
+    if (
+	($target eq 'web' && ($ENV{'request.state'} ne 'construct')) ||
+	($target eq 'answer')
+       ) {
       if ($status eq 'CAN_ANSWER') {
 	$result.="</form></body>\n"; 
       } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
@@ -321,7 +324,7 @@ sub end_library {
 sub start_block {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
 
-  if ($target eq 'web' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     my $code = @$parstack[$#$parstack];
     $code =~ s/\"//g;
     $code .=';return $condition;';
@@ -435,7 +438,7 @@ sub start_part {
   @Apache::inputtags::previous=();
   if ($target eq 'meta') {
     return &Apache::response::mandatory_part_meta;
-  } elsif ($target eq 'web' || $target eq 'grade') {
+  } elsif ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
     push (@Apache::inputtags::status,$status);
     my $expression='$external::datestatus="'.$status.'";';
@@ -468,7 +471,7 @@ sub end_part {
 
 sub start_preduedate {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-  if ($target eq 'web' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' ) {
       &Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]);
@@ -497,7 +500,7 @@ sub end_postanswerdate {
 
 sub start_notsolved {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-  if ($target eq 'web' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
     &Apache::lonxml::debug("not solved has :$gradestatus:");
     if ($gradestatus =~ /^correct/) {
@@ -514,7 +517,7 @@ sub end_notsolved {
 
 sub start_solved {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-  if ($target eq 'web' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
     if ($gradestatus !~ /^correct/) {
       &Apache::lonxml::get_all_text("/solved",$$parser[$#$parser]);