--- loncom/interface/Attic/lonspreadsheet.pm	2000/12/04 22:09:39	1.4
+++ loncom/interface/Attic/lonspreadsheet.pm	2000/12/05 15:09:22	1.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Spreadsheet/Grades Display Handler
 #
-# 11/11,11/15,11/27,12/04 Gerd Kortemeyer
+# 11/11,11/15,11/27,12/04,12/05 Gerd Kortemeyer
 
 package Apache::lonspreadsheet;
 
@@ -13,7 +13,8 @@ use Apache::lonnet;
 use Apache::Constants qw(:common);
 use HTML::TokeParser;
 
-
+# =============================================================================
+# ===================================== Implements an instance of a spreadsheet
 
 sub initsheet {
     my $safeeval = new Safe;
@@ -35,6 +36,8 @@ sub initsheet {
 %v=(); 
 %t=();
 %f=();
+$sheettype='';
+$filename='';
 
 sub mask {
     my ($lower,$upper)=@_;
@@ -293,10 +296,46 @@ sub getformulas {
     return $safeeval->reval('%f');
 }
 
-# ------------------------------------------------------------ Read spreadsheet
+# -------------------------------------------------------------------- Set type
 
-sub readf {
-    my $fn=shift;
+sub settype {
+    my ($safeeval,$type)=@_;
+    $safeeval->reval('$sheettype='.$type.';');
+}
+
+# -------------------------------------------------------------------- Get type
+
+sub gettype {
+    my $safeeval=shift;
+    return $safeeval->reval('$sheettype');
+}
+
+# -------------------------------------------------------------------- Set type
+
+sub setfilename {
+    my ($safeeval,$fn)=@_;
+    $safeeval->reval('$filename='.$fn.';');
+}
+
+# -------------------------------------------------------------------- Get type
+
+sub getfilename {
+    my $safeeval=shift;
+    return $safeeval->reval('$filename');
+}
+    
+# ========================================================== End of Spreadsheet
+# =============================================================================
+
+
+
+# --------------------------------------- Read spreadsheet formulas from a file
+
+sub readsheet {
+    my ($safeeval,$fn)=shift;
+    &setfilename($safeeval,$fn);
+    $fn=~/\.(\w+)/;
+    &settype($safeeval,$1);
     my %f=();
     my $content;
     {
@@ -315,6 +354,7 @@ sub readf {
          }
       }
     }
+    &setformulas($safeeval,%f);
 }
 
 # --------------------------------------------------------------- Read metadata
@@ -344,6 +384,72 @@ sub readmeta {
     return %returnhash;
 }
 
+# ----------------------------------------------------------------- Update rows
+
+sub updaterows {
+    my $safeeval=shift;
+    my %bighash;
+# -------------------------------------------------------------------- Tie hash
+      if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
+                       &GDBM_READER,0640)) {
+# --------------------------------------------------------- Get all assessments
+
+	my %allkeys=();
+        my %allassess=();
+
+        my $stype=&gettype($safeeval);
+
+        map {
+	    if ($_=~/^src\_(\d+)\.(\d+)$/) {
+	       my $mapid=$1;
+               my $resid=$2;
+               my $id=$mapid.'.'.$resid;
+               my $srcf=$bighash{$_};
+               if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+                 my $symb=
+                     &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
+			    '___'.$resid.'___'.
+			    &Apache::lonnet::declutter($srcf);
+		 $allassess{$symb}=$bighash{'title_'.$id};
+                 if ($stype eq 'assesssheet') {
+                   map {
+                       if ($_=~/^stores\_(.*)/) {
+			  my $key=$_;
+                          my $display=
+			      &Apache::lonnet::metadata($srcf,$key.'.display');
+                          unless ($display) {
+                              $display=
+			         &Apache::lonnet::metadata($srcf,$key.'.name');
+                          }
+                          $allkeys{$key}=$display;
+		       }
+                   } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
+	         }
+	      }
+	   }
+        } keys %bighash;
+        untie(%bighash);
+    
+#
+# %allkeys has a list of storage displays by unikey
+# %allassess has a list of all resource displays by symb
+#
+# -------------------- Find discrepancies between the course row table and this
+#
+        my %f=&getformulas($safeeval);
+	map {
+	    if ($_=~/^A/) {
+		if ($stype eq 'assesssheet') {
+                } elsif ($stype eq 'coursesheet') {
+                }
+            }
+        } keys %f;
+# ------------------------------------------------ Find new and obsolete values
+
+    } else {
+        return 'Could not access course data';
+    }
+}
 
 # -----------------------------------------------------------------------------