--- loncom/interface/spreadsheet/assesscalc.pm	2003/10/02 17:07:41	1.25
+++ loncom/interface/spreadsheet/assesscalc.pm	2003/11/11 15:36:28	1.28
@@ -1,5 +1,5 @@
 #
-# $Id: assesscalc.pm,v 1.25 2003/10/02 17:07:41 matthew Exp $
+# $Id: assesscalc.pm,v 1.28 2003/11/11 15:36:28 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -55,6 +55,7 @@ use HTML::Entities();
 use Spreadsheet::WriteExcel;
 use GDBM_File;
 use Time::HiRes;
+use Apache::lonlocal;
 
 @Apache::assesscalc::ISA = ('Apache::Spreadsheet');
 
@@ -398,7 +399,7 @@ sub get_title {
         join(' ',@userenv{'firstname','middlename','lastname','generation'});
     $name =~ s/\s+$//;
     push (@title,$name);
-    push (@title,scalar(localtime(time)));
+    push (@title,&Apache::lonlocal::locallocaltime(time));
     return @title;
 }
 
@@ -407,7 +408,7 @@ sub parent_link {
     my $link .= '<p><a href="/adm/studentcalc?'.
         'sname='.$self->{'name'}.
             '&sdomain='.$self->{'domain'}.'">'.
-                'Student level sheet</a></p>'."\n";
+                &mt('Student level sheet').'</a></p>'."\n";
     return $link;
 }
 
@@ -421,13 +422,17 @@ sub outsheet_html {
     my $exportcolor = '#FFFFAA';
     my $num_uneditable = 1;
     my $num_left = 52-$num_uneditable;
+    my %lt=&Apache::lonlocal::texthash(
+				       'as' => 'Assessment',
+				       'ca' => 'Calculations',
+				       );
     my $tableheader =<<"END";
 <table border="2">
 <tr>
-  <th colspan="2" rowspan="2"><font size="+2">Assessment</font></th>
+  <th colspan="2" rowspan="2"><font size="+2">$lt{'as'}</font></th>
   <td bgcolor="$importcolor" colspan="$num_uneditable">&nbsp;</td>
   <td colspan="$num_left">
-      <b><font size="+1">Calculations</font></b></td>
+      <b><font size="+1">$lt{'ca'}</font></b></td>
 </tr><tr>
 END
     my $label_num = 0;
@@ -469,6 +474,11 @@ END
     #
     my $num_output = 0;
     foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
+        if (! $self->parameter_part_is_valid(
+                                             $self->{'formulas'}->{'A'.$rownum}
+                                             )) {
+            next;
+        }
 	if ($num_output++ % 50 == 0) {
 	    $r->print("</table>\n".$tableheader);
 	}
@@ -517,7 +527,7 @@ sub csv_rows {
     #
     # Write a header row
     $self->csv_output_row($filehandle,undef,
-                          ('Parameter','Description','Value'));
+                          (&mt('Parameter'),&mt('Description'),&mt('Value')));
     #
     # Write each row
     foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
@@ -541,7 +551,7 @@ sub excel_rows {
     # Write a header row
     $cols_output = 0;
     foreach my $value ('Parameter','Description','Value') {
-        $worksheet->write($rows_output,$cols_output++,$value);
+        $worksheet->write($rows_output,$cols_output++,&mt($value));
     }
     $rows_output++;    
     #
@@ -632,6 +642,52 @@ sub get_problem_state {
     return %student_parameters;
 }
 
+sub determine_parts {
+    my $self = shift;
+    if (exists($self->{'Parts'}) && ref($self->{'Parts'}) eq 'HASH') {
+        return;
+    }
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($self->{'symb'});
+    my $src = &Apache::lonnet::clutter($url);
+    return if (! defined($src));
+    my %Parts;
+    my $metadata = &Apache::lonnet::metadata($src,'packages');
+    foreach (split(',',$metadata)) {
+        my ($part) = (/^part_(.*)$/);
+        if (defined($part) && 
+            ! &Apache::loncommon::check_if_partid_hidden
+                ($part,$self->{'symb'},$self->{'name'},$self->{'domain'})
+            ) {
+            $Parts{$part}++;
+        }
+    }
+    # Make sure part 0 is defined.
+    $Parts{'0'}++;
+    $self->{'Parts'} = \%Parts;
+    return;
+}
+
+sub parameter_part_is_valid {
+    my $self = shift;
+    my ($parameter) = @_;
+    return 1 if ($parameter eq 'timestamp');
+    if (! defined($self->{'Parts'}) || 
+        ! ref ($self->{'Parts'})    ||
+        ref($self->{'Parts'}) ne 'HASH') {
+        return 1;
+    }
+    #
+    my (undef,$part) = 
+        ($parameter =~ m/^(resource|stores|parameter)_([^_]+)_.*/);
+    if (exists($self->{'Parts'})          && 
+        exists($self->{'Parts'}->{$part}) &&
+        $self->{'Parts'}->{$part} ) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
 sub compute {
     my $self = shift;
     my ($r) = @_;
@@ -683,6 +739,14 @@ sub compute {
         $parameters{$parm} = $value;
     }
     #
+    # Clean out any bad parameters
+    $self->determine_parts();
+    foreach my $param (keys(%parameters)) {
+        if (! $self->parameter_part_is_valid($param)) {
+            delete ($parameters{$param});
+        }
+    }
+    #
     # Set up the formulas and parameter values
     my %f=$self->formulas();
     my %c;
@@ -705,7 +769,6 @@ sub compute {
     if ($connection->aborted()) { $self->cleanup(); return; }
     #
     # Move the parameters into the spreadsheet
-    if ($connection->aborted()) { $self->cleanup(); return; }
     while (my ($parm,$value) = each(%parameters)) {
         my $cell = 'A'.$self->get_row_number_from_key($parm);
         $f{$cell} = $parm;