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File:  [LON-CAPA] / loncom / interface / spreadsheet / classcalc.pm
Revision 1.10: download - view: text, annotated - select for diffs
Mon Jun 23 19:58:18 2003 UTC (20 years, 10 months ago) by matthew
Branches: MAIN
CVS tags: version_1_0_3, version_1_0_2, version_1_0_1, version_1_0_0, version_0_99_5, version_0_99_4, version_0_99_3, HEAD
Bug 1729 - color hints on export/import rows.  The color of the export
row of the assessment sheet is the same as the import row of the
student sheet.  The export row of the student sheet is the same color
as the import rows of the course level sheet.

#
# $Id: classcalc.pm,v 1.10 2003/06/23 19:58:18 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# The LearningOnline Network with CAPA
# Spreadsheet/Grades Display Handler
#
# POD required stuff:

=head1 NAME

classcalc

=head1 SYNOPSIS

=head1 DESCRIPTION

=over 4

=cut

###################################################
###                 CourseSheet                 ###
###################################################
package Apache::classcalc;

use strict;
use Apache::Constants qw(:common :http);
use Apache::loncoursedata();
use Apache::lonhtmlcommon();
use Apache::Spreadsheet;
use Apache::studentcalc;
use Apache::lonstatistics();
use HTML::Entities();
use Spreadsheet::WriteExcel;
use Apache::lonnet;
use Time::HiRes;

@Apache::classcalc::ISA = ('Apache::Spreadsheet');

##
## Package variable
##

my @Students;

sub initialize {
    &Apache::lonstatistics::clear_classlist_variables();
    @Students = &Apache::lonstatistics::get_students();
    return;
}

sub html_header {
    my $self = shift;
    my ($toprow,$bottomrow);
    &Apache::lonstatistics::clear_classlist_variables();
    foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multpile',3)],
             ['Enrollment Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
             ['Output Format',&Apache::Spreadsheet::output_selector()]) {
        my ($name,$selector) = @{$_};
        $toprow .= '<th align="center"><b>'.$name.'</b></th>';
        $bottomrow .= '<td>'.$selector.'</td>';
    }
    return "<p>\n<table>\n".
        "<tr>".$toprow."</tr>\n".
        "<tr>".$bottomrow."</tr>\n".
        "</table>\n</p>";
}

sub get_title {
    my $self = shift;
    # Section info should be included
    my @title = ($self->{'coursedesc'}, scalar(localtime(time)) );
    return @title;
}

sub get_html_title {
    my $self = shift;
    my ($classcalc_title,$time) = $self->get_title();
    my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
    return $title;
}

sub parent_link {
    return '';
}

sub outsheet_html {
    my $self = shift;
    my ($r) = @_;
    ###################################
    # Determine table structure
    ###################################
    my $importcolor = '#88FF88';
    my $exportcolor = '#BBBBFF';
    my $num_uneditable = 26;
    my $num_left = 52-$num_uneditable;
    my $tableheader =<<"END";
<p>
<table border="2">
<tr>
  <th colspan="2" rowspan="2"><font size="+2">Course</font></th>
  <td bgcolor="$importcolor" colspan="$num_uneditable">
      <b><font size="+1">Import</font></b></td>
  <td colspan="$num_left">
      <b><font size="+1">Calculations</font></b></td>
</tr><tr>
END
    my $label_num = 0;
    foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
        if ($label_num<$num_uneditable) { 
            $tableheader.='<th bgcolor="'.$importcolor.'">';
        } else {
            $tableheader.='<th>';
        }
        $tableheader.="<b><font size=+1>$_</font></b></th>";
        $label_num++;
    }
    $tableheader.="</tr>\n";
    #
    $r->print($tableheader);
    #
    # Print out template row
    $r->print('<tr><td>Template</td><td>&nbsp;</td>'.
	      $self->html_template_row($num_uneditable,$importcolor).
              "</tr>\n");
    #
    # Print out summary/export row
    $r->print('<tr><td>Summary</td><td>0</td>'.
	      $self->html_export_row($exportcolor)."</tr>\n");
    #
    # Prepare to output rows
    $tableheader =<<"END";
</p><p>
<table border="2">
<tr><th>Row</th>
  <th>student</th><th>username</th><th>domain</th>
  <th>section</th><th>status</th>
END
    foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
	if ($label_num<$num_uneditable) { 
            $tableheader.='<th bgcolor="'.$importcolor.'">';
        } else {
            $tableheader.='<th>';
        }
        $tableheader.="<b><font size=+1>$_</font></b></th>";
    }
    #
    my $num_output = 0;
    foreach my $student (@Students) {
	if ($num_output++ % 50 == 0) {
	    $r->print("</table>\n".$tableheader);
	}
	my $rownum = $self->get_row_number_from_key
	    ($student->{'username'}.':'.$student->{'domain'});
        my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
            '&sdomain='.$student->{'domain'}.'">';
        $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
	$r->print('<tr>'.'<td>'.$rownum.'</td>'.
		  '<td>'.$student->{'fullname'}.'</td>'.
		  '<td>'.$link.$student->{'username'}.'</a></td>'.
		  '<td>'.$student->{'domain'}  .'</td>'.
		  '<td>'.$student->{'section'} .'</td>'.
		  '<td>'.$student->{'status'}  .'</td>'.
		  $self->html_row($num_uneditable,$rownum,$exportcolor,
                                  $importcolor).
                  "</tr>\n");
    }
    $r->print("</table></p>\n");
    return;
}

sub excel_rows {
    # writes the meat of the spreadsheet to an excel worksheet.  Called
    # by Spreadsheet::outsheet_excel;
    my $self = shift;
    my ($worksheet,$cols_output,$rows_output) = @_;
    #
    # Write a header row
    $cols_output = 0;
    foreach my $value ('fullname','username','domain','section','status') {
        $worksheet->write($rows_output,$cols_output++,$value);
    }
    $rows_output++;    
    #
    # Write each students row
    foreach my $student (@Students) {
        $cols_output = 0;
	my $rownum = $self->get_row_number_from_key
	    ($student->{'username'}.':'.$student->{'domain'});
        $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
        my @studentdata = ($student->{'fullname'},
                           $student->{'username'},
                           $student->{'domain'},
                           $student->{'section'},
                           $student->{'status'});
        $self->excel_output_row($worksheet,$rownum,$rows_output++,
                                @studentdata);
    }
    return;
}

sub csv_rows {
    # writes the meat of the spreadsheet to an excel worksheet.  Called
    # by Spreadsheet::outsheet_excel;
    my $self = shift;
    my ($filehandle) = @_;
    #
    # Write a header row

    $self->csv_output_row($filehandle,undef,
                          ('fullname','username','domain','section','status'));
    #
    # Write each students row
    foreach my $student (@Students) {
	my $rownum = $self->get_row_number_from_key
	    ($student->{'username'}.':'.$student->{'domain'});
        $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
        my @studentdata = ($student->{'fullname'},
                           $student->{'username'},
                           $student->{'domain'},
                           $student->{'section'},
                           $student->{'status'});
        $self->csv_output_row($filehandle,$rownum,@studentdata);
    }
    return;
}

sub outsheet_recursive_excel {
    my $self = shift;
    my ($r) = @_;
} 

sub compute {
    my $self = shift;
    my ($r) = @_;
    $self->initialize_safe_space();
    my %c = $self->constants();
    my %f = $self->formulas();
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
        ($r,'Spreadsheet Computation Status',
         'Spreadsheet Computation', scalar(@Students));
    &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                                          'Processing course structure');
    &Apache::studentcalc::initialize_package();
    &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                                          'Processing first student');
    foreach my $student (@Students) {
        my $sname = $student->{'username'}.':'.$student->{'domain'};
	my $studentsheet = Apache::studentcalc->new
	    ($student->{'username'},$student->{'domain'},undef);
	my @exportdata = $studentsheet->export_data();
	my $rownum = $self->get_row_number_from_key($sname);
        $f{'A'.$rownum} = $sname;
        $self->{'row_source'}->{$rownum} = $sname;
        $c{'A'.$rownum} = shift(@exportdata);
	foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
            my $cell = $_.$rownum;
            my $data = shift(@exportdata);
            if (defined($data)) {
                $f{$cell} = 'import';
                $c{$cell} = $data;
            }
	}
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                                                 'last student');
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $r->rflush();
    $self->constants(\%c);
    $self->formulas(\%f);
    $self->calcsheet();
    $self->save() if ($self->need_to_save());
}

1;

__END__
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