--- loncom/interface/Attic/lonspreadsheet.pm	2002/11/08 20:18:29	1.137
+++ loncom/interface/Attic/lonspreadsheet.pm	2002/11/12 22:44:28	1.139
@@ -1,5 +1,5 @@
 #
-# $Id: lonspreadsheet.pm,v 1.137 2002/11/08 20:18:29 matthew Exp $
+# $Id: lonspreadsheet.pm,v 1.139 2002/11/12 22:44:28 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1086,6 +1086,44 @@ sub geterrorlog {
     return ${$sheet->{'safe'}->varglob('errorlog')};    
 }
 
+sub gettitle {
+    my $sheet = shift;
+    if ($sheet->{'sheettype'} eq 'classcalc') {
+        return $sheet->{'coursedesc'};
+    } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
+        return 'Grades for '.$sheet->{'uname'}.'@'.$sheet->{'udom'};
+    } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
+        if (($sheet->{'usymb'} eq '_feedback') ||
+            ($sheet->{'usymb'} eq '_evaluation') ||
+            ($sheet->{'usymb'} eq '_discussion') ||
+            ($sheet->{'usymb'} eq '_tutoring')) {
+            my $title = $sheet->{'usymb'};
+            $title =~ s/^_//;
+            $title = ucfirst($title);
+            return $title;
+        }
+        return if (! defined($sheet->{'mapid'}) || 
+                   $sheet->{'mapid'} !~ /^\d+$/);
+        my $mapid = $sheet->{'mapid'};
+        return if (! defined($sheet->{'resid'}) || 
+                   $sheet->{'resid'} !~ /^\d+$/);
+        my $resid = $sheet->{'resid'};
+        my %course_db;
+        tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
+            &GDBM_READER(),0640);
+        return if (! tied(%course_db));
+        my $key = 'title_'.$mapid.'.'.$resid;
+        my $title = '';
+        if (exists($course_db{$key})) {
+            $title = $course_db{$key};
+        } else {
+            $title = $sheet->{'usymb'};
+        }
+        untie (%course_db);
+        return $title;
+    }
+}
+
 # ----------------------------------------------------- Get value of $f{'A'.$n}
 sub getfa {
     my $sheet = shift;
@@ -1153,6 +1191,7 @@ sub sort_indicies {
     #
     my @sortby=();
     my @sortidx=();
+    # Skip row 0
     for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
         push (@sortby, $sheet->{'safe'}->reval('$f{"A'.$row.'"}'));
         push (@sortidx, $row);
@@ -1190,6 +1229,7 @@ sub html_editable_cell {
     if ($value =~ /^\s*$/ ) {
         $value = '<font color="'.$bgcolor.'">#</font>';
     }
+    $formula =~ s/\n/\\n/gs;
     $result .= '<a href="javascript:celledit(\''.
         $name.'\',\''.$formula.'\');">'.$value.'</a>';
     return $result;
@@ -1267,7 +1307,6 @@ END
     # Print out summary/export row
     ####################################
     my ($rowlabel,@rowdata) = &get_row($sheet,'0');
-    my $rowcount = 0;
     $row_html = '<tr><td>'.&format_html_rowlabel($rowlabel).'</td>';
     $num_cols_output = 0;
     foreach my $cell (@rowdata) {
@@ -1542,25 +1581,46 @@ sub create_excel_spreadsheet {
 sub export_sheet_as_excel {
     my $sheet = shift;
     my $worksheet = shift;
+    #
+    my $rows_output = 0;
+    my $cols_output = 0;
+    ####################################
+    #    Write an identifying row      #
+    ####################################
+    my @Headerinfo = ($sheet->{'coursedesc'});
+    my $title = &gettitle($sheet);
+    $cols_output = 0;    
+    if (defined($title)) {
+        $worksheet->write($rows_output++,$cols_output++,$title);
+    }
+    ####################################
+    #   Write the summary/export row   #
+    ####################################
+    my ($rowlabel,@rowdata) = &get_row($sheet,'0');
+    my $label = &format_excel_rowlabel($rowlabel);
+    $cols_output = 0;
+    $worksheet->write($rows_output,$cols_output++,$label);
+    foreach my $cell (@rowdata) {
+        $worksheet->write($rows_output,$cols_output++,$cell->{'value'});
+    }
+    $rows_output+= 2;   # Skip a row, just for fun
     ####################################
     # Prepare to output rows
     ####################################
     my @Rows = &sort_indicies($sheet);
     #
     # Loop through the rows and output them one at a time
-    my $rows_output=0;
     foreach my $rownum (@Rows) {
         my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
         next if ($rowlabel =~ /^\s*$/);
-        my $cols_output = 0;
+        $cols_output = 0;
         my $label = &format_excel_rowlabel($rowlabel);
         $worksheet->write($rows_output,$cols_output++,$label);
         if (ref($label)) {
             $cols_output = (scalar(@$label));
         }
         foreach my $cell (@rowdata) {
-            $worksheet->write($rows_output,$cols_output++,
-                              $cell->{'value'});
+            $worksheet->write($rows_output,$cols_output++,$cell->{'value'});
         }
         $rows_output++;
     }
@@ -1729,6 +1789,8 @@ sub makenewsheet {
     $sheet->{'udom'}  = $udom;
     $sheet->{'sheettype'} = $stype;
     $sheet->{'usymb'} = $usymb;
+    $sheet->{'mapid'} = $ENV{'form.mapid'};
+    $sheet->{'resid'} = $ENV{'form.resid'};
     $sheet->{'cid'}   = $ENV{'request.course.id'};
     $sheet->{'csec'}  = $Section{$uname.':'.$udom};
     $sheet->{'coursefilename'}   = $ENV{'request.course.fn'};
@@ -1736,7 +1798,7 @@ sub makenewsheet {
     $sheet->{'cdom'}  = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
     $sheet->{'chome'} = $ENV{'course.'.$ENV{'request.course.id'}.'.home'};
     $sheet->{'coursedesc'} = $ENV{'course.'.$ENV{'request.course.id'}.
-                                      'description'};
+                                      '.description'};
     $sheet->{'uhome'} = &Apache::lonnet::homeserver($uname,$udom);
     #
     #
@@ -1942,10 +2004,11 @@ sub format_html_rowlabel {
     my ($type,$labeldata) = split(':',$rowlabel,2);
     my $result = '';
     if ($type eq 'symb') {
-        my ($symb,$uname,$udom,$title) = split(':',$labeldata);
+        my ($symb,$uname,$udom,$mapid,$resid,$title) = split(':',$labeldata);
         $symb = &Apache::lonnet::unescape($symb);
         $result = '<a href="/adm/assesscalc?usymb='.$symb.
-            '&uname='.$uname.'&udom='.$udom.'">'.$title.'</a>';
+            '&uname='.$uname.'&udom='.$udom.
+                '&mapid='.$mapid.'&resid='.$resid.'">'.$title.'</a>';
     } elsif ($type eq 'student') {
         my ($sname,$sdom,$fullname,$section,$id) = split(':',$labeldata);
         $result ='<a href="/adm/studentcalc?uname='.$sname.
@@ -1965,7 +2028,7 @@ sub format_csv_rowlabel {
     my ($type,$labeldata) = split(':',$rowlabel,2);
     my $result = '';
     if ($type eq 'symb') {
-        my ($symb,$uname,$udom,$title) = split(':',$labeldata);
+        my ($symb,$uname,$udom,$mapid,$resid,$title) = split(':',$labeldata);
         $symb = &Apache::lonnet::unescape($symb);
         $result = $title;
     } elsif ($type eq 'student') {
@@ -1986,7 +2049,7 @@ sub format_excel_rowlabel {
     my ($type,$labeldata) = split(':',$rowlabel,2);
     my $result = '';
     if ($type eq 'symb') {
-        my ($symb,$uname,$udom,$title) = split(':',$labeldata);
+        my ($symb,$uname,$udom,$mapid,$resid,$title) = split(':',$labeldata);
         $symb = &Apache::lonnet::unescape($symb);
         $result = $title;
     } elsif ($type eq 'student') {
@@ -2024,6 +2087,7 @@ sub updateclasssheet {
     foreach my $student (keys(%$classlist)) {
         my ($studentDomain,$studentName,$end,$start,$id,$studentSection,
             $fullname,$status)   =   @{$classlist->{$student}};
+        $Section{$studentName.':'.$studentDomain} = $studentSection;
         if ($ENV{'form.Status'} eq $status || $ENV{'form.Status'} eq 'Any') {
             $currentlist{$student}=join(':',('student',$studentName,
                                              $studentDomain,$fullname,
@@ -2097,7 +2161,7 @@ sub get_student_rowlabels {
         my %assesslist;
         foreach ('Feedback','Evaluation','Tutoring','Discussion') {
             my $symb = '_'.lc($_);
-            $assesslist{$symb} = join(':',('symb',$symb,$uname,$udom,$_));
+            $assesslist{$symb} = join(':',('symb',$symb,$uname,$udom,0,0,$_));
         }
         #
         while (my ($key,$srcf) = each(%course_db)) {
@@ -2110,7 +2174,8 @@ sub get_student_rowlabels {
                     &Apache::lonnet::declutter($course_db{'map_id_'.$mapid}).
                         '___'.$resid.'___'.&Apache::lonnet::declutter($srcf);
                 $assesslist{$symb}='symb:'.&Apache::lonnet::escape($symb).':'
-                    .$uname.':'.$udom.':'.$course_db{'title_'.$id};
+                    .$uname.':'.$udom.':'.$mapid.':'.$resid.':'.
+                        $course_db{'title_'.$id};
             }
         }
         untie(%course_db);
@@ -2785,8 +2850,8 @@ sub handler {
     #
     # Get query string for limited number of parameters
     #
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-                                            ['uname','udom','usymb','ufn']);
+    &Apache::loncommon::get_unprocessed_cgi
+        ($ENV{'QUERY_STRING'},['uname','udom','usymb','ufn','mapid','resid']);
     #
     # Deal with restricted student permissions 
     #
@@ -2828,17 +2893,45 @@ sub handler {
     # Header....
     #
     $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
+    my $nothing = "''";
+    if ($ENV{'browser.type'} eq 'explorer') {
+        $nothing = "'javascript:void(0);'";
+    }
+
     if ($ENV{'request.role'} !~ /^st\./) {
         $r->print(<<ENDSCRIPT);
 <script language="JavaScript">
 
-    function celledit(cn,cf) {
-        var cnf=prompt(cn,cf);
-        if (cnf!=null) {
-            document.sheet.unewfield.value=cn;
-            document.sheet.unewformula.value=cnf;
-            document.sheet.submit();
+    var editwin;
+
+    function celledit(cellname,cellformula) {
+        var edit_text = '';
+        edit_text +='<html><head><title>Cell Edit Window</title></head><body>';
+        edit_text += '<form name="editwinform">';
+        edit_text += '<center><h3>Cell '+cellname+'</h3>';
+        edit_text += '<textarea name="newformula" cols="40" rows="6"';
+        edit_text += ' wrap="off" >'+cellformula+'</textarea>';
+        edit_text += '</br>';
+        edit_text += '<input type="button" name="accept" value="Accept"';
+        edit_text += ' onClick=\\\'javascript:';
+        edit_text += 'opener.document.sheet.unewfield.value=';
+        edit_text +=     '"'+cellname+'";';
+        edit_text += 'opener.document.sheet.unewformula.value=';
+        edit_text +=     'document.editwinform.newformula.value;';
+        edit_text += 'opener.document.sheet.submit();';
+        edit_text += 'self.close()\\\' />';
+        edit_text += '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+        edit_text += '<input type="button" name="abort" ';
+        edit_text +=     'value="Discard Changes"';
+        edit_text += ' onClick="javascript:self.close()" />';
+        edit_text += '</center></body></html>';
+
+        if (editwin != null && !(editwin.closed) ) {
+            editwin.close();
         }
+
+        editwin = window.open($nothing,'CellEditWin','height=200,width=350,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true);
+        editwin.document.write(edit_text);
     }
 
     function changesheet(cn) {
@@ -2857,7 +2950,7 @@ sub handler {
 ENDSCRIPT
     }
     $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
-              '<form action="'.$r->uri.'" name=sheet method=post>');
+              '<form action="'.$r->uri.'" name="sheet" method="post">');
     $r->print(&hiddenfield('uname',$ENV{'form.uname'}).
               &hiddenfield('udom',$ENV{'form.udom'}).
               &hiddenfield('usymb',$ENV{'form.usymb'}).
@@ -2878,6 +2971,30 @@ ENDSCRIPT
     # Read new sheet or modified worksheet
     my ($sheet)=&makenewsheet($aname,$adom,$sheettype,$ENV{'form.usymb'});
     #
+    # Check user permissions
+    if (($sheet->{'sheettype'} eq 'classcalc'       ) || 
+        ($sheet->{'uname'}     ne $ENV{'user.name'} ) ||
+        ($sheet->{'udom'}      ne $ENV{'user.domain'})) {
+        unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) {
+            $r->print('<h1>Access Permission Denied</h1>'.
+                      '</form></body></html>');
+            return OK;
+        }
+    }
+    # Print out user information
+    $r->print('<h2>'.$sheet->{'coursedesc'}.'</h2>');
+    if ($sheet->{'sheettype'} ne 'classcalc') {
+        $r->print('<h2>'.&gettitle($sheet).'</h2><p>');
+    }
+    if ($sheet->{'sheettype'} eq 'assesscalc') {
+        $r->print('<b>User:</b> '.$sheet->{'uname'}.
+                  '<br /><b>Domain:</b> '.$sheet->{'udom'}.'<br />');
+    }
+    if ($sheet->{'sheettype'} eq 'studentcalc' || 
+        $sheet->{'sheettype'} eq 'assesscalc') {
+        $r->print('<b>Section/Group:</b>'.$sheet->{'csec'}.'</p>');
+    } 
+    #
     # If a new formula had been entered, go from work copy
     if ($ENV{'form.unewfield'}) {
         $r->print('<h2>Modified Workcopy</h2>');
@@ -2892,43 +3009,23 @@ ENDSCRIPT
     } else {
         &readsheet($sheet,$ENV{'form.ufn'});
     }
-    # Print out user information
-    if ($sheet->{'sheettype'} ne 'classcalc') {
-        $r->print('<p><b>User:</b> '.$sheet->{'uname'}.
-                  '<br><b>Domain:</b> '.$sheet->{'udom'});
-        $r->print('<br><b>Section/Group:</b> '.$sheet->{'csec'});
-        if ($ENV{'form.usymb'}) {
-            $r->print('<br><b>Assessment:</b> <tt>'.
-                      $ENV{'form.usymb'}.'</tt>');
-        }
-    }
-    #
-    # Check user permissions
-    if (($sheet->{'sheettype'} eq 'classcalc'       ) || 
-        ($sheet->{'uname'}     ne $ENV{'user.name'} ) ||
-        ($sheet->{'udom'}      ne $ENV{'user.domain'})) {
-        unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) {
-            $r->print('<h1>Access Permission Denied</h1>'.
-                      '</form></body></html>');
-            return OK;
-        }
-    }
     # Additional options
-    $r->print('<br />'.
-              '<input type="submit" name="forcerecalc" '.
-              'value="Completely Recalculate Sheet"><p>');
     if ($sheet->{'sheettype'} eq 'assesscalc') {
         $r->print('<p><font size=+2>'.
                   '<a href="/adm/studentcalc?'.
                   'uname='.$sheet->{'uname'}.
                   '&udom='.$sheet->{'udom'}.'">'.
-                  'Level up: Student Sheet</a></font><p>');
+                  'Level up: Student Sheet</a></font></p>');
     }
     if (($sheet->{'sheettype'} eq 'studentcalc') && 
         (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) {
         $r->print ('<p><font size=+2><a href="/adm/classcalc">'.
-                   'Level up: Course Sheet</a></font><p>');
+                   'Level up: Course Sheet</a></font></p>');
     }
+    # Recalc button
+    $r->print('<br />'.
+              '<input type="submit" name="forcerecalc" '.
+              'value="Completely Recalculate Sheet"></p>');
     # Save dialog
     if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
         my $fname=$ENV{'form.ufn'};
@@ -3008,12 +3105,12 @@ ENDSCRIPT
     }
     #
     # Write the modified worksheet
-    $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'<p>');
+    $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'</p>');
     &tmpwrite($sheet);
     if ($sheet->{'sheettype'} eq 'studentcalc') {
-        $r->print('<br>Show rows with empty A column: ');
+        $r->print('<p>Show rows with empty A column: ');
     } else {
-        $r->print('<br>Show empty rows: ');
+        $r->print('<p>>Show empty rows: ');
     }
     #
     $r->print(&hiddenfield('userselhidden','true').