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Diff for /loncom/interface/spreadsheet/lonspreadsheet.pm between versions 1.5 and 1.16

version 1.5, 2003/05/27 19:17:07 version 1.16, 2003/07/16 13:52:19
Line 58  use Apache::classcalc(); Line 58  use Apache::classcalc();
 use Apache::studentcalc();  use Apache::studentcalc();
 use Apache::assesscalc();  use Apache::assesscalc();
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::lonmenu();  
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use HTML::Entities();  use HTML::Entities();
Line 94  sub file_dialogs { Line 93  sub file_dialogs {
     my $bgcolor = "#FFFFFF";      my $bgcolor = "#FFFFFF";
     my $sheettype = $spreadsheet->{'type'};      my $sheettype = $spreadsheet->{'type'};
     my $result = '';      my $result = '';
       my $message = '';
     ##      ##
     ## Deal with saving the spreadsheet      ## Deal with saving the spreadsheet
     if (exists($ENV{'form.save'}) &&       if ((exists($ENV{'form.save'}) || exists($ENV{'form.makedefault'})) && 
         exists($ENV{'form.savefilename'})) {          exists($ENV{'form.savefilename'})) {
         $spreadsheet->filename($ENV{'form.savefilename'});          $spreadsheet->filename($ENV{'form.savefilename'});
         my $save_status = $spreadsheet->save();          my $save_status = $spreadsheet->save();
         if ($save_status ne 'ok') {          if ($save_status ne 'ok') {
             $result .= "An error occurred while saving the spreadsheet".              $message .= "An error occurred while saving the spreadsheet".
                 "There error is:".$save_status;                  "There error is:".$save_status;
             return $result;              return $result;
         } else {          } else {
             $result .= "Spreadsheet saved as ".$ENV{'form.savefilename'};              $message .= "Spreadsheet saved as ".$ENV{'form.savefilename'};
         }          }
     } elsif (exists($ENV{'form.newformula'}) &&       } elsif (exists($ENV{'form.newformula'}) && 
              exists($ENV{'form.cell'})       &&                exists($ENV{'form.cell'})       && 
Line 117  sub file_dialogs { Line 117  sub file_dialogs {
         $spreadsheet->save_tmp();          $spreadsheet->save_tmp();
         # output that we are dealing with a temporary file          # output that we are dealing with a temporary file
         $result .=&hiddenfield('workcopy',$sheettype);          $result .=&hiddenfield('workcopy',$sheettype);
         $result .='<pre>'.$ENV{'form.cell'}.' = '.          if ($ENV{'form.newformula'} !~ /^\s*$/) {
                   $ENV{'form.newformula'}."</pre>\n";              $message .='<table><tr>'.
                 '<td valign="top"><pre>Cell '.$ENV{'form.cell'}.' = </pre></td>'.
                 '<td><pre>'.$ENV{'form.newformula'}."</pre></td></tr></table>\n";
           } else {
               $message .= 'Deleted contents of cell '.$ENV{'form.cell'}.'.';
           }
     }      }
     ##      ##
     ## Editing code      ## Editing code
Line 127  sub file_dialogs { Line 132  sub file_dialogs {
     ##      ##
     ## Create the save and load dialogs      ## Create the save and load dialogs
     my $filename = $spreadsheet->filename();      my $filename = $spreadsheet->filename();
     $filename = '' if ($filename =~ /^default\.$sheettype/i);      my $truefilename = $filename;
     $filename =~ s/_$sheettype$//;      if ($spreadsheet->is_default()) {
           $filename = 'Default';
       }
     my $save_dialog = '<nobr>'.      my $save_dialog = '<nobr>'.
         '<input type="submit" name="save" value="Save as" /> '.          '<input type="submit" name="save" value="Save as" /> '.
         '<input type="text" name="savefilename" size="30" value="'.          '<input type="text" name="savefilename" size="30" value="'.
         $filename.'" />'.          $truefilename.'" />'.
         '</nobr>';          '</nobr>';
     my $makedefault_dialog = '<input type="submit" name="makedefault" '.      my $makedefault_dialog = '<input type="submit" name="makedefault" '.
         'value="Make This Sheet the Default"/>';          'value="Save as & Make This Sheet the Default"/>';
     #      #
     my $link = '<a href="javascript:openbrowser'.      my $link = '<a href="javascript:openbrowser'.
         "('sheet','loadfilename','spreadsheet')\">Browse</a>";          "('sheet','loadfilename','spreadsheet')\">Select Spreadsheet File</a>";
     my $load_dialog = <<END;      my $load_dialog = <<END;
 <table bgcolor="$bgcolor">  <table bgcolor="$bgcolor">
 <tr><td><input type="submit" name="load" value="Load" /></td>  <tr><td><input type="submit" name="load" value="Load" /></td>
     <td><nobr>      <td><nobr>
         <input type="text" name="loadfilename" size="25" value="$filename" />          <input type="text" name="loadfilename" size="20" value="$filename" />
         $link</nobr>          $link</nobr>
     </td></tr>      </td></tr>
 <tr><td>&nbsp;</td><td>  <tr><td>&nbsp;</td><td>
     <select name="fileselect" onchange="document.sheet.loadfilename.value=document.sheet.fileselect.value" >      <select name="fileselect" onchange="document.sheet.loadfilename.value=document.sheet.fileselect.value" >
     <option name="Default">Default</option>  
 END  END
       my $default_filename_set = 0;
     foreach my $sheetfilename ($spreadsheet->othersheets()) {      foreach my $sheetfilename ($spreadsheet->othersheets()) {
         $sheetfilename =~ s/_$sheettype$//;  
         $load_dialog .= '    <option name="'.$sheetfilename.'"';          $load_dialog .= '    <option name="'.$sheetfilename.'"';
         if ($filename eq $sheetfilename) {          if ($filename eq $sheetfilename) {
             $load_dialog .= ' selected';              $load_dialog .= ' selected';
               $default_filename_set = 1;
         }          }
         $load_dialog .= '>'.$sheetfilename."</option>\n";          $load_dialog .= '>'.$sheetfilename."</option>\n";
     }      }
Line 174  END Line 181  END
 </tr>  </tr>
 </table>  </table>
 END  END
     return $result;      return ($result,$message);
 }  }
   
 sub handler {  sub handler {
Line 231  sub handler { Line 238  sub handler {
         $name   = $ENV{'form.sname'};          $name   = $ENV{'form.sname'};
         $domain = $ENV{'form.sdomain'};          $domain = $ENV{'form.sdomain'};
     }      }
     #  
     # Open page, try to prevent browser cache.  
     #  
     $r->content_type('text/html');  
     $r->header_out('Cache-control','no-cache');  
     $r->header_out('Pragma','no-cache');  
     $r->send_http_header;  
     ##      ##
     ## Check permissions      ## Check permissions
     my $allowed_to_edit = &Apache::lonnet::allowed('mgr',      my $allowed_to_edit = &Apache::lonnet::allowed('mgr',
                                                 $ENV{'request.course.id'});                                                  $ENV{'request.course.id'});
       # Only those instructors/tas/whatevers with complete access
       # (not section restricted) are able to modify spreadsheets.
     my $allowed_to_view =  &Apache::lonnet::allowed('vgr',      my $allowed_to_view =  &Apache::lonnet::allowed('vgr',
                                                 $ENV{'request.course.id'});                                                  $ENV{'request.course.id'});
       if (! $allowed_to_view) {
           $allowed_to_view = &Apache::lonnet::allowed('vgr',
                       $ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'});
           # Those who are restricted by section are allowed to view.
           # The routines in lonstatistics which decide which students' 
           # will be shown take care of the restriction by section.
       }
     #      #
     # Only those able to view others grades will be allowed to continue       # Only those able to view others grades will be allowed to continue 
     # if they are not requesting their own.      # if they are not requesting their own.
     if (($sheettype eq 'classcalc') ||       if ($sheettype eq 'classcalc') {
         ($name   ne $ENV{'user.name'} ) ||  
         ($domain ne $ENV{'user.domain'})) {  
         if (! $allowed_to_view) {          if (! $allowed_to_view) {
             $r->print('<h1>Access Permission Denied</h1>'.      $ENV{'user.error.msg'}=
                       '</form></body></html>');   $r->uri.":vgr:0:0:Access Permission Denied";
             return OK;      return HTTP_NOT_ACCEPTABLE; 
    }
       }
       if ((($name   ne $ENV{'user.name'} ) ||
            ($domain ne $ENV{'user.domain'})) && $sheettype ne 'classcalc') {
           # Check that the student is in their section?
           if (exists($ENV{'request.course.sec'}) && 
               $ENV{'request.course.sec'} ne '' ) {
               my $stu_sec = &Apache::lonnet::usection($domain,$name,
                                                       $ENV{'request.course.id'});
               if ($stu_sec ne $ENV{'request.course.sec'}) {
    $ENV{'user.error.msg'}=
       $r->uri.":vgr:0:0:Requested student not in your section.";
    return HTTP_NOT_ACCEPTABLE; 
               }
         }          }
     }      }
   
       #
       # Open page, try to prevent browser cache.
       #
       $r->content_type('text/html');
       &Apache::loncommon::no_cache($r);
       $r->send_http_header;
   
     #      #
     # Header....      # Header....
     #      #
Line 313  ENDSCRIPT Line 341  ENDSCRIPT
               '<form action="'.$r->uri.'" name="sheet" method="post">');                '<form action="'.$r->uri.'" name="sheet" method="post">');
     $r->print(&hiddenfield('sname'  ,$ENV{'form.sname'}).      $r->print(&hiddenfield('sname'  ,$ENV{'form.sname'}).
               &hiddenfield('sdomain',$ENV{'form.sdomain'}).                &hiddenfield('sdomain',$ENV{'form.sdomain'}).
               &hiddenfield('usymb'  ,$ENV{'form.usymb'}).                &hiddenfield('usymb'  ,$ENV{'form.usymb'}));
               &Apache::lonmenu::regflush());  
     $r->rflush();      $r->rflush();
     ##      ##
     ## Determine the filename to use      ## Determine the filename to use
Line 324  ENDSCRIPT Line 351  ENDSCRIPT
         #          #
         if (exists($ENV{'form.load'}) && exists($ENV{'form.loadfilename'})) {          if (exists($ENV{'form.load'}) && exists($ENV{'form.loadfilename'})) {
             $filename = $ENV{'form.loadfilename'};              $filename = $ENV{'form.loadfilename'};
               $ENV{'form.workcopy'} = 'no';
         }          }
     }      }
     ##      ##
Line 345  ENDSCRIPT Line 373  ENDSCRIPT
         # error error - run in circles, scream and shout          # error error - run in circles, scream and shout
         return;          return;
     }      }
       $spreadsheet->initialize();
     #      #
     # Output selector      # Output selector
     $r->print('<input type="submit" value="Update Display" /><br />');  
     ##      ##
     ## Editing/loading/saving      ## Editing/loading/saving
     if ($allowed_to_edit) {      if ($allowed_to_edit) {
           my ($html,$action_message) = &file_dialogs($spreadsheet);
           if ($ENV{'form.makedefault'}) {
               $spreadsheet->make_default();
               if ($action_message) {
                   $action_message .= '<br />';
               }
               $action_message .= 'Made this spreadsheet the default';
               if ($sheettype eq 'classcalc') {
                   $action_message .= ' for the course';
               } elsif ($sheettype eq 'studentcalc') {
                   $action_message .= ' for all students';
               } elsif ($sheettype eq 'assesscalc') {
                   $action_message .= ' for all assessments';
               }
               $action_message .= '.';
           }
         $r->print('<table><tr><td>'.$spreadsheet->html_header().'</td>'.          $r->print('<table><tr><td>'.$spreadsheet->html_header().'</td>'.
                   '<td valign="bottom">'.                    '<td valign="bottom">'.$html."</td></tr></table>\n");
                   &file_dialogs($spreadsheet)."</td></tr></table>\n");          if ($action_message ne '') {
               $r->print(<<END);
   <table>
   <tr><td valign="top"><b>Last Action:</b></td>
       <td>&nbsp;</td>
       <td>$action_message</td>
   </tr>
   </table>
   END
           }
         $r->rflush();          $r->rflush();
     } else {      } else {
         $r->print('<table><tr><td>'.$spreadsheet->html_header().          $r->print('<table><tr><td>'.$spreadsheet->html_header().
                   "</td></tr></table>\n");                    "</td></tr></table>\n");
     }      }
       $r->rflush();
       #
       if ($sheettype eq 'classcalc') {
           $r->print('<input type="submit" value="Generate Spreadsheet" /><br />');
       }
     #      #
     # Keep track of the filename      # Keep track of the filename
     $r->print(&hiddenfield('filename',$filename));      $r->print(&hiddenfield('filename',$filename));
Line 371  ENDSCRIPT Line 429  ENDSCRIPT
         if ($allowed_to_view || $allowed_to_edit) {          if ($allowed_to_view || $allowed_to_edit) {
             $r->print($spreadsheet->parent_link());              $r->print($spreadsheet->parent_link());
         }          }
           $r->rflush();
         $spreadsheet->display($r);          $spreadsheet->display($r);
     } else {  
         $r->print("<h2>Make your selections and bonk the 'update display' button</h2>");  
     }      }
     $r->print('</form></body></html>');      $r->print('</form></body></html>');
     return OK;      return OK;
Removed from v.1.5  
changed lines
  Added in v.1.16

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