# The LearningOnline Network with CAPA
#
# $Id: lonsurveyreports.pm,v 1.8 2005/04/07 06:56:24 albertel 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/
#
package Apache::lonsurveyreports;
use strict;
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::loncoursedata();
use Apache::lonstatistics;
use Apache::lonlocal;
use Apache::lonstathelpers;
use Spreadsheet::WriteExcel;
use HTML::Entities();
use Time::Local();
my @SubmitButtons = (
{ name => 'break'},
{ name => 'PrevProblem',
text => 'Previous Survey' },
{ name => 'NextProblem',
text => 'Next Survey' },
{ name => 'SelectAnother',
text => 'Choose a different Survey' },
{ name => 'break'},
{ name => 'Generate',
text => 'Generate Report'},
);
sub BuildSurveyReportsPage {
my ($r,$c)=@_;
#
my %Saveable_Parameters = ('Status' => 'scalar',
'Section' => 'array',
'NumPlots' => 'scalar',
);
&Apache::loncommon::store_course_settings('survey_reports',
\%Saveable_Parameters);
&Apache::loncommon::restore_course_settings('survey_resports',
\%Saveable_Parameters);
#
&Apache::lonstatistics::PrepareClasslist();
#
$r->print(&CreateInterface());
#
my @Students = @Apache::lonstatistics::Students;
#
if (@Students < 1) {
$r->print('
There are no students in the sections selected
');
}
#
my @CacheButtonHTML =
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
$r->rflush();
#
if (exists($env{'form.problemchoice'}) &&
! exists($env{'form.SelectAnother'})) {
$r->print(' 'x3);
foreach my $button (@SubmitButtons) {
if ($button->{'name'} eq 'break') {
$r->print(" \n");
} else {
$r->print('{'text'}).'" />');
$r->print(' 'x5);
}
}
foreach my $html (@CacheButtonHTML) {
$r->print($html.(' 'x5));
}
#
$r->print('');
$r->print('
');
$r->rflush();
#
# Determine which problem we are to analyze
my $current_problem = &Apache::lonstathelpers::get_target_from_id
($env{'form.problemchoice'});
#
my ($navmap,$prev,$curr,$next) =
&Apache::lonstathelpers::get_prev_curr_next($current_problem,
'.',
'part_survey',
);
if (exists($env{'form.PrevProblem'}) && defined($prev)) {
$current_problem = $prev;
} elsif (exists($env{'form.NextProblem'}) && defined($next)) {
$current_problem = $next;
} else {
$current_problem = $curr;
}
#
# Store the current problem choice and send it out in the form
$env{'form.problemchoice'} =
&Apache::lonstathelpers::make_target_id($current_problem);
$r->print('');
#
if (! defined($current_problem->{'resource'})) {
$r->print('resource is undefined');
} else {
my $resource = $current_problem->{'resource'};
$r->print('
';
my @foils = sort(keys(%{$data->{'foil_responses'}}));
foreach my $foilid (@foils) {
my $prob_data = $ProblemData->{$partid.'.'.$respid};
my $foil_count = $data->{'foil_count'}->{$foilid};
my $foiltext = $prob_data->{'_Foils'}->{$foilid}->{'text'};
my $foilname = $prob_data->{'_Foils'}->{$foilid}->{'name'};
my $rowspan = scalar(@{$prob_data->{'_Options'}});
my $preamble = '
'.
'
'.
$foilname.'
'.
'
'.
$foiltext.'
';
foreach my $option (sort(@{$prob_data->{'_Options'}})){
my $count =
$data->{'foil_responses'}->{$foilid}->{$option};
$tmp .= $preamble.
'
'.$option.'
'.
'
'.$count.'
'.
'
'.
sprintf('%.2f',100*$count/$foil_count).'%'.
'
'.$/;
$preamble = '
';
}
}
$Str.=$tmp.'
';
} elsif (exists($data->{'_count'}) &&
exists($data->{'foil_values'}) &&
exists($data->{'map'})) {
# This is an option or radiobutton survey response
my $total = $data->{'_count'};
my $sum = 0;
my $tmp;
foreach my $value (sort(keys(%{$data->{'foil_values'}}))) {
my $count = $data->{'foil_values'}->{$value};
my $foilid = $data->{'map'}->{$value};
my $foiltext = $ProblemData->{$partid.'.'.$respid}->{'_Foils'}->{$foilid}->{'text'};
my $foilname = $ProblemData->{$partid.'.'.$respid}->{'_Foils'}->{$foilid}->{'name'};
$tmp .= '
'.
'
'.$foilname.'
'.
'
'.$foiltext.'
'.
'
'.$count.'
'.
'
'.
sprintf("%.2f",$count/$total*100).'%
'.
'
'.$/;
}
$Str .= '
'.
'
'.&mt('Foil Name').'
'.
'
'.&mt('Text').'
'.
'
'.&mt('Freq').'
'.
'
'.&mt('Percent').'
'.
'
'.$/.
$tmp;
}
$Str.= '
';
$r->print($Str);
$r->rflush();
}
}
return;
}
sub randomize_array {
# Fisher Yates shuffle, lifted from p 121 of "The Perl Cookbook"
my ($array) = @_;
for (my $i=scalar(@$array);--$i;) {
my $j = int(rand($i+1));
next if ($i == $j);
@$array[$i,$j]=@$array[$j,$i];
}
}
#########################################################
#########################################################
##
## Generic Interface Routines
##
#########################################################
#########################################################
sub CreateInterface {
##
## Environment variable initialization
my $Str = '';
my $output_selector = ''.$/;
$Str .= &Apache::lonhtmlcommon::breadcrumbs
(undef,'Student Submission Reports');
$Str .= '