--- loncom/homework/lonhomework.pm	2002/03/22 20:11:00	1.73
+++ loncom/homework/lonhomework.pm	2002/03/29 18:32:46	1.74
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.73 2002/03/22 20:11:00 albertel Exp $
+# $Id: lonhomework.pm,v 1.74 2002/03/29 18:32:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,6 +61,9 @@ sub get_target {
       return ('web');
     }
   } elsif ($ENV{'request.state'} eq "construct") {
+    if ( defined($ENV{'form.grade_target'}) ) {
+      return ($ENV{'form.grade_target'});
+    }
     if ( defined($ENV{'form.preview'})) {
       if ( defined($ENV{'form.submitted'})) {
 	return ('grade', 'web');
@@ -270,6 +273,16 @@ sub handle_save_or_undo {
   return $error;
 }
 
+sub analyze {
+  my ($request,$file) = @_;
+  &Apache::lonxml::debug("Analyze");
+  my $result=&Apache::lonnet::ssi($request->uri,('grade_target' => 'analyze'));
+  &Apache::lonxml::debug(":$result:");
+  (my $garbage,$result)=split(/_HASH_REF__/,$result,2);
+  &showhash(&Apache::lonnet::str2hash($result));
+  return $result;
+}
+
 sub editxmlmode {
   my ($request,$file) = @_;
   my $result;
@@ -319,6 +332,7 @@ sub renderpage {
     my $result = '';
     &Apache::inputtags::initialize_inputtags;
     &Apache::edit::initialize_edit;
+    if ($target eq 'analyze') { %Apache::lonhomework::anaylze=(); }
     if ($target eq 'web') {
       if (&Apache::lonnet::symbread() eq '') {
 	if ($ENV{'request.state'} eq "construct") {
@@ -343,6 +357,9 @@ sub renderpage {
     if ($target eq 'modified') {
       &handle_save_or_undo($request,\$problem,\$result);
     } else {
+      if ($target eq 'analyze') {
+	$result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
+      }
       #my $td=&tv_interval($t0);
       #if ( $Apache::lonxml::debug) {
 	#$result =~ s:</body>::;
@@ -454,7 +471,6 @@ sub handler {
   # the last one
   if ( defined($ENV{'form.problemmode'}) &&
        defined(@{ $ENV{'form.problemmode'} })) {
-    &Apache::lonxml::debug("3Problem Modes ".$ENV{'form.problemmode'});
     my $mode=$ENV{'form.problemmode'}->[-1];
     undef $ENV{'form.problemmode'};
     $ENV{'form.problemmode'}=$mode;
@@ -484,6 +500,8 @@ sub handler {
 	&renderpage($request,$file);
       } elsif ($ENV{'form.problemmode'} eq 'EditXML') {
 	&editxmlmode($request,$file);
+      } elsif ($ENV{'form.problemmode'} eq 'Answer Distribution') {
+	&analyze($request,$file);
       } else {
 	&renderpage($request,$file);
       }
@@ -493,6 +511,7 @@ sub handler {
     }
   } else {
     # just render the page normally outside of construction space
+    &Apache::lonxml::debug("not construct");
     &renderpage($request,$file);
   }
   #my $td=&tv_interval($t0);