--- loncom/homework/response.pm	2001/12/04 15:17:56	1.53
+++ loncom/homework/response.pm	2002/02/14 21:48:31	1.59
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.53 2001/12/04 15:17:56 albertel Exp $
+# $Id: response.pm,v 1.59 2002/02/14 21:48:31 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -32,8 +32,8 @@
 package Apache::response;
 use strict;
 
-sub BEGIN {
-  &Apache::lonxml::register('Apache::response',('responseparam','caparesponse','numericalresponse','formularesponse','stringresponse','radiobuttonresponse','optionresponse','imageresponse','essayresponse','dataresponse'));
+BEGIN {
+  &Apache::lonxml::register('Apache::response',('responseparam','parameter','caparesponse','numericalresponse','formularesponse','stringresponse','radiobuttonresponse','optionresponse','imageresponse','essayresponse','dataresponse','externalresponse'));
 }
 
 sub start_response {
@@ -78,7 +78,8 @@ sub setrandomnumber {
     $rndseed=$ENV{'form.rndseed'};
     if (!$rndseed) { $rndseed=time; }
   } else {
-    $rndseed=&Apache::lonnet::rndseed();
+    my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+    $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
   }
   &Apache::lonxml::debug("randseed $rndseed");
 #  $rndseed=unpack("%32i",$rndseed);
@@ -193,6 +194,17 @@ sub check_for_previous {
   return %previous;
 }
 
+sub handle_previous {
+  my ($previous,$ad)=@_;
+  if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
+    if ($$previous{'last'}) {
+      push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
+    } else {
+      push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
+    }
+  }
+}
+
 sub start_caparesponse {
   require Apache::caparesponse; 
   import Apache::caparesponse; 
@@ -251,6 +263,13 @@ sub start_essayresponse {
   return &Apache::essayresponse::start_essayresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
 }
 
+sub start_externalresponse {
+  require Apache::externalresponse; 
+  import Apache::externalresponse; 
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::externalresponse::start_externalresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+}
+
 sub view_or_modify {
   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
   my $myself=0;
@@ -322,8 +341,7 @@ sub start_responseparam {
 				    $token->[2]->{'default'},
 				    $token->[2]->{'description'});
   } elsif ($target eq 'edit') {
-    $result.=&Apache::edit::tag_start($target,$token,
-				      &Apache::lonxml::description($token));
+    $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Name:','name',$token).
       &Apache::edit::text_arg('Type:','type',$token).
 	&Apache::edit::text_arg('Description:','description',$token).
@@ -338,7 +356,7 @@ sub start_responseparam {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
     }
-  } elsif ($target eq 'grade') {
+  } elsif ($target eq 'grade' || $target eq 'answer' ) {
     if ($ENV{'request.state'} eq 'construct') {
       my $name    = &Apache::lonxml::get_param('name',$parstack,$safeeval);
       my $default = &Apache::lonxml::get_param('default',$parstack,$safeeval);
@@ -354,6 +372,16 @@ sub end_responseparam {
   return '';
 }
 
+sub start_parameter {
+  my $result = &start_responseparam(@_);
+  return $result;
+}
+
+sub end_parameter {
+  my $result = &end_responseparam(@_);
+  return $result;
+}
+
 sub setup_params {
   my ($tag) = @_;