--- loncom/homework/response.pm	2001/01/22 19:58:09	1.20
+++ loncom/homework/response.pm	2001/08/06 18:33:58	1.36
@@ -2,19 +2,19 @@
 # various response type definitons response definition
 
 # 11/23,11/24,11/28 Gerd Kortemeyer
+# Guy Albertelli
+# 08/04 Gerd Kortemeyer
 
 package Apache::response;
 use strict;
 
 sub BEGIN {
-  &Apache::lonxml::register('Apache::response',('responseparam','caparesponse','numericalresponse','radiobuttonresponse','optionresponse'));
+  &Apache::lonxml::register('Apache::response',('responseparam','caparesponse','numericalresponse','stringresponse','radiobuttonresponse','optionresponse','imageresponse','essayresponse'));
 }
 
 sub start_response {
   my ($parstack,$safeeval)=@_;  
-  my $args ='';
-  if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
-  my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
+  my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   push (@Apache::inputtags::response,$id);
   push (@Apache::inputtags::responselist,$id);
@@ -28,6 +28,23 @@ sub end_response {
   return '';
 }
 
+# used by response to set the non-safe space random number generator to something
+# that is stable and unique based on the part number and response number
+sub setrandomnumber {
+  my $rndseed=&Apache::lonnet::rndseed();
+  &Apache::lonxml::debug("randseed $rndseed");
+#  $rndseed=unpack("%32i",$rndseed);
+  $rndseed=$rndseed
+    +(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
+  if (defined($Apache::inputtags::response['-1'])) {
+    $rndseed=$rndseed
+      +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
+  }
+  srand($rndseed);
+  &Apache::lonxml::debug("randseed $rndseed");
+  return '';
+}
+
 sub meta_parameter_write {
     my ($name,$type,$default,$display)=@_;
     return '<parameter part="'.$Apache::inputtags::part.
@@ -39,6 +56,13 @@ sub meta_parameter_write {
      ."\n";
 }
 
+sub meta_package_write {
+    my $name=shift;
+    return '<parameter part="'.$Apache::inputtags::part.
+	         '" package="'.$name.'"></parameter>'
+     ."\n";
+}
+
 sub meta_stores_write {
     my ($name,$type,$display)=@_;
     return '<stores part="'.$Apache::inputtags::part.
@@ -57,21 +81,21 @@ sub mandatory_part_meta {
 # of each part
 #
  return
-    &meta_parameter_write('opendate','date_start','',
-                          'Opening Date').
-    &meta_parameter_write('duedate','date_end','',
-                          'Due Date').
-    &meta_parameter_write('answerdate','date_start','',
-                          'Show Answer Date').
-    &meta_parameter_write('weight','int_zeropos','',
-                          'Available Points').
-    &meta_parameter_write('maxtries','int_pos','',
-                          'Maximum Number of Tries').
-
+#    &meta_parameter_write('opendate','date_start','',
+#                          'Opening Date').
+#    &meta_parameter_write('duedate','date_end','',
+#                          'Due Date').
+#    &meta_parameter_write('answerdate','date_start','',
+#                          'Show Answer Date').
+#    &meta_parameter_write('weight','int_zeropos','',
+#                          'Available Points').
+#    &meta_parameter_write('maxtries','int_pos','',
+#                          'Maximum Number of Tries').
+    &meta_package_write('part');
     &meta_stores_write('solved','string',
                           'Problem Status').
     &meta_stores_write('tries','int_zeropos',
-                          'Number of Unsuccessful Tries').
+                          'Number of Attempts').
     &meta_stores_write('awarded','float',
 		          'Partial Credit Factor');
 #
@@ -81,49 +105,89 @@ sub mandatory_part_meta {
 }
 
 sub check_for_previous {
-  return '0';
+  my ($curresponse,$partid,$id) = @_;
+  my %previous;
+  $previous{'used'} = 0;
+  foreach my $key (reverse(sort(keys(%Apache::lonhomework::history)))) {
+    if ($key =~ /resource\.$partid\.$id\.submission/) {
+      &Apache::lonxml::debug("Trying $key");
+      my $pastresponse=$Apache::lonhomework::history{$key};
+      if ($pastresponse eq $curresponse) {
+	$previous{'used'} = 1;
+	my $history;
+	if ( $key =~ /^(\d+):/ ) {
+	  $history=$1;
+	  $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
+	  $previous{'last'}='0';
+	} else {
+	  $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
+	  $previous{'last'}='1';
+	}
+	if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN';	}
+	&Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
+	last;
+      }
+    }
+  }
+  return %previous;
 }
 
-sub start_numericalresponse {
+sub start_caparesponse {
   require Apache::caparesponse; 
   import Apache::caparesponse; 
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  Apache::caparesponse::start_numericalresponse($target,$token,$parstack,$parser,$safeeval,$style);;
-  return "";
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+#  print "\n<br />\nsimple caparesponse\n";
+  return &Apache::caparesponse::start_caparesponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
 }
 
-sub start_caparesponse {
+sub start_stringresponse {
+  require Apache::caparesponse;
+  import Apache::caparesponse;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::caparesponse::start_stringresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+}
+
+sub start_numericalresponse {
   require Apache::caparesponse; 
   import Apache::caparesponse; 
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-#  print "\n<br>\nsimple caparesponse\n";
-  Apache::caparesponse::start_caparesponse($target,$token,$parstack,$parser,$safeeval,$style);;
-  return "";
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::caparesponse::start_numericalresponse
+    ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
 }
 
 sub start_radiobuttonresponse {
   require Apache::radiobuttonresponse; 
   import Apache::radiobuttonresponse; 
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  Apache::radiobuttonresponse::start_radiobuttonresponse($target,$token,$parstack,$parser,$safeeval,$style);;
-  return "";
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::radiobuttonresponse::start_radiobuttonresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
 }
 
 sub start_optionresponse {
   require Apache::optionresponse; 
   import Apache::optionresponse; 
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  Apache::optionresponse::start_optionresponse($target,$token,$parstack,$parser,$safeeval,$style);;
-  return "";
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::optionresponse::start_optionresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+}
+
+sub start_imageresponse {
+  require Apache::imageresponse; 
+  import Apache::imageresponse; 
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::imageresponse::start_imageresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
+}
+
+sub start_essayresponse {
+  require Apache::essayresponse; 
+  import Apache::essayresponse; 
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  return &Apache::essayresponse::start_essayresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
 }
 
 sub start_responseparam {
-  my ($target,$token,$parstack,$parser,$safeeval)=@_;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   if ($target eq 'grade' || $target eq 'web') {
-    my $args='';
-    if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
-    my $default = &Apache::run::run("{$args;".'return $default}',$safeeval);
-    my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
+    my $default= &Apache::lonxml::get_param('default',$parstack,$safeeval);
+    my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
     &Apache::lonxml::debug("looking for resource.$Apache::inputtags::part.$name");
     my $value = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.$name");
     &Apache::lonxml::debug("$name has value :$value: and default :$default:");
@@ -140,12 +204,35 @@ sub start_responseparam {
 				 $token->[2]->{'type'},
 				 $token->[2]->{'default'},
 				 $token->[2]->{'description'});
+  } elsif ($target eq 'edit') {
+    my $result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));
+    $result.=&Apache::edit::text_arg('Name:','name',$token).
+      &Apache::edit::text_arg('Type:','type',$token).
+	&Apache::edit::text_arg('Description:','description',$token).
+	  &Apache::edit::text_arg('Default:','default',$token).
+	    "</td></tr>";
+    $result.=&Apache::edit::end_table;
+    return $result;
+  } elsif ($target eq 'modified') {
+    my $result;
+    my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
+						 'name','type','description',
+						 'default');
+    if ($constructtag) {
+      $result = &Apache::edit::rebuild_tag($token);
+      $result.=&Apache::edit::handle_insert();
+    }
+    return $result;
+
   } else {
     return '';
   }
 }
 
 sub end_responseparam {
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+  if ($target eq 'edit') { return ('','no'); }
+  return '';
 }
 
 1;