version 1.26, 2003/01/09 16:37:48
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version 1.144, 2006/12/21 02:53:42
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
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# $Id$ |
# $Id$ |
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
# (Navigate problems for statistical reports |
# YEAR=2001 |
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# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei |
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# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei |
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# 5/12,5/14,5/15,5/19,5/26,7/16,12/24 Behrouz Minaei |
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# |
# |
### |
####################################################### |
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####################################################### |
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=pod |
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=head1 NAME |
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lonstudentassessment |
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=head1 SYNOPSIS |
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Presents assessment data about a student or a group of students. |
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=head1 Subroutines |
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=over 4 |
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=cut |
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####################################################### |
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####################################################### |
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package Apache::lonstudentassessment; |
package Apache::lonstudentassessment; |
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use strict; |
use strict; |
use Apache::lonhtmlcommon; |
use Apache::lonstatistics(); |
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use Apache::lonhtmlcommon(); |
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use Apache::loncommon(); |
use Apache::loncoursedata; |
use Apache::loncoursedata; |
use GDBM_File; |
use Apache::lonnet; # for logging porpoises |
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use Apache::lonlocal; |
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use Apache::grades(); |
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use Apache::lonmsgdisplay(); |
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use Time::HiRes; |
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use Spreadsheet::WriteExcel; |
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use Spreadsheet::WriteExcel::Utility(); |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA; |
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####################################################### |
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####################################################### |
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=pod |
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=item Package Variables |
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=over 4 |
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=item $Statistics Hash ref to store student data. Indexed by symb, |
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contains hashes with keys 'score' and 'max'. |
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=cut |
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####################################################### |
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####################################################### |
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my $Statistics; |
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####################################################### |
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####################################################### |
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=pod |
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=item $show_links 'yes' or 'no' for linking to student performance data |
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#my $jr; |
=item $output_mode 'html', 'excel', or 'csv' for output mode |
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=item $show 'all', 'totals', or 'scores' determines how much data is output |
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=item $single_student_mode evaluates to true if we are showing only one |
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student. |
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=cut |
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####################################################### |
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####################################################### |
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my $show_links; |
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my $output_mode; |
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my $chosen_output; |
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my $single_student_mode; |
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####################################################### |
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####################################################### |
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# End of package variable declarations |
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=pod |
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=back |
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=cut |
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####################################################### |
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####################################################### |
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=pod |
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=item &BuildStudentAssessmentPage() |
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Inputs: |
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=over 4 |
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=item $r Apache Request |
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=item $c Apache Connection |
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=back |
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=cut |
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####################################################### |
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####################################################### |
sub BuildStudentAssessmentPage { |
sub BuildStudentAssessmentPage { |
my ($cacheDB,$students,$courseID,$formName,$headings,$spacing, |
my ($r,$c)=@_; |
$studentInformation,$r,$c)=@_; |
# |
# $jr = $r; |
undef($Statistics); |
my %cache; |
undef($show_links); |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
undef($output_mode); |
$r->print('<html><body>Unable to tie database.</body></html>'); |
undef($chosen_output); |
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undef($single_student_mode); |
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# |
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my %Saveable_Parameters = ('Status' => 'scalar', |
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'chartoutputmode' => 'scalar', |
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'chartoutputdata' => 'scalar', |
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'Section' => 'array', |
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'Groups' => 'array', |
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'StudentData' => 'array', |
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'Maps' => 'array'); |
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&Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters); |
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&Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters); |
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# |
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&Apache::lonstatistics::PrepareClasslist(); |
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# |
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$single_student_mode = 0; |
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$single_student_mode = 1 if ($env{'form.SelectedStudent'}); |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
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['selectstudent']); |
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if ($env{'form.selectstudent'}) { |
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&Apache::lonstatistics::DisplayClasslist($r); |
return; |
return; |
} |
} |
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# |
# Remove students who don't have the proper section. |
# Print out the HTML headers for the interface |
my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
# This also parses the output mode selector |
for(my $studentIndex=((scalar @$students)-1); $studentIndex>=0; |
# This step must *always* be done. |
$studentIndex--) { |
$r->print(&CreateInterface()); |
my $value = $cache{$students->[$studentIndex].':section'}; |
$r->print('<input type="hidden" name="notfirstrun" value="true" />'); |
my $found = 0; |
$r->print('<input type="hidden" name="sort" value="'. |
foreach (@sectionsSelected) { |
$env{'form.sort'}.'" />'); |
if($_ eq 'none') { |
$r->rflush(); |
if($value eq '' || !defined($value) || $value eq ' ') { |
# |
$found = 1; |
if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) { |
last; |
return; |
} |
} |
} else { |
$r->print('<h4>'. |
if($value eq $_) { |
&Apache::lonstatistics::section_and_enrollment_description(). |
$found = 1; |
'</h4>'); |
last; |
# |
} |
my $initialize = \&html_initialize; |
} |
my $output_student = \&html_outputstudent; |
} |
my $finish = \&html_finish; |
if($found == 0) { |
# |
splice(@$students, $studentIndex, 1); |
if ($output_mode eq 'excel') { |
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$initialize = \&excel_initialize; |
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$output_student = \&excel_outputstudent; |
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$finish = \&excel_finish; |
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} elsif ($output_mode eq 'csv') { |
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$initialize = \&csv_initialize; |
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$output_student = \&csv_outputstudent; |
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$finish = \&csv_finish; |
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} |
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# |
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if($c->aborted()) { return ; } |
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# |
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# Determine which students we want to look at |
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my @Students; |
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if ($single_student_mode) { |
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@Students = (&Apache::lonstatistics::current_student()); |
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$r->print(&next_and_previous_buttons()); |
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$r->rflush(); |
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} else { |
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@Students = @Apache::lonstatistics::Students; |
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} |
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# |
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# Perform generic initialization tasks |
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# Since we use lonnet::EXT to retrieve problem weights, |
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# to ensure current data we must clear the caches out. |
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# This makes sure that parameter changes at the student level |
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# are immediately reflected in the chart. |
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&Apache::lonnet::clear_EXT_cache_status(); |
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# |
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# Clean out loncoursedata's package data, just to be safe. |
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&Apache::loncoursedata::clear_internal_caches(); |
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# |
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# Call the initialize routine selected above |
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$initialize->($r); |
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foreach my $student (@Students) { |
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if($c->aborted()) { |
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$finish->($r); |
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return ; |
} |
} |
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# Call the output_student routine selected above |
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$output_student->($r,$student); |
} |
} |
my ($infoHeadings, $infoKeys, $sequenceHeadings, $sequenceKeys, |
# Call the "finish" routine selected above |
$doNotShow) = |
$finish->($r); |
&ShouldShowColumns(\%cache, $headings, $studentInformation); |
# |
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return; |
my $selectedName = &FindSelectedStudent(\%cache, |
} |
$cache{'StudentAssessmentStudent'}, |
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$students); |
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$r->print(&CreateInterface(\%cache, $selectedName, $students, $formName, |
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$doNotShow)); |
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$r->rflush(); |
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####################################################### |
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####################################################### |
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sub next_and_previous_buttons { |
my $Str = ''; |
my $Str = ''; |
if($selectedName eq 'No Student Selected') { |
$Str .= '<input type="hidden" name="SelectedStudent" value="'. |
$Str .= '<h3><font color=blue>WARNING: '; |
$env{'form.SelectedStudent'}.'" />'; |
$Str .= 'Please select a student</font></h3>'; |
# |
$r->print($Str); |
# Build the previous student link |
return; |
my $previous = &Apache::lonstatistics::previous_student(); |
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my $previousbutton = ''; |
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if (defined($previous)) { |
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my $sname = $previous->{'username'}.':'.$previous->{'domain'}; |
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$previousbutton .= '<input type="button" value="'. |
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'Previous Student ('. |
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$previous->{'username'}.'@'.$previous->{'domain'}.')'. |
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'" onclick="document.Statistics.SelectedStudent.value='. |
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"'".$sname."'".';'. |
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'document.Statistics.submit();" />'; |
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} else { |
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$previousbutton .= '<input type="button" value="'. |
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'Previous student (none)'.'" />'; |
} |
} |
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# |
$r->print(&CreateTableHeadings(\%cache, $spacing, $infoKeys, $infoHeadings, |
# Build the next student link |
$sequenceKeys, $sequenceHeadings)); |
my $next = &Apache::lonstatistics::next_student(); |
untie(%cache); |
my $nextbutton = ''; |
if($c->aborted()) { return $Str; } |
if (defined($next)) { |
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my $sname = $next->{'username'}.':'.$next->{'domain'}; |
my $selected=0; |
$nextbutton .= '<input type="button" value="'. |
my $Count = 0; |
'Next Student ('. |
$r->print('<pre>'."\n"); |
$next->{'username'}.'@'.$next->{'domain'}.')'. |
foreach (@$students) { |
'" onclick="document.Statistics.SelectedStudent.value='. |
if($c->aborted()) { return $Str; } |
"'".$sname."'".';'. |
next if ($_ ne $selectedName && |
'document.Statistics.submit();" />'; |
$selectedName ne 'All Students'); |
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$selected = 1; |
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my @who = ($_); |
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next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true', |
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$cacheDB, 'true', |
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'false', $courseID, |
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$r, $c) ne 'OK'); |
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next if($c->aborted()); |
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if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
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my @before=(); |
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my @after=(); |
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my @updateColumn=(); |
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my $foundUpdate = 0; |
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foreach(@$infoKeys) { |
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if(/updateTime/) { |
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$foundUpdate=1; |
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push(@updateColumn, $_); |
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next; |
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} |
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if($foundUpdate) { |
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push(@after, $_); |
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} else { |
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push(@before, $_); |
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} |
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} |
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$Count++; |
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my $out = ''; |
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# $out .= sprintf("%3d", $Count); |
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if($Count % 2) { |
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$out .= '<bgcolor="#FFFFFF">'; |
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} else { |
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$out .= '<bgcolor="#F0F0F0">'; |
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} |
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my $displayString = $out.'DISPLAYDATA'.$spacing; |
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$r->print(&Apache::lonhtmlcommon::FormatStudentInformation( |
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\%cache, $_, |
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\@before, |
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$displayString, |
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'preformatted')); |
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if($foundUpdate) { |
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$displayString = ''; |
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$displayString .= '<a href="/adm/statistics?reportSelected='; |
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$displayString .= &Apache::lonnet::escape('Student Assessment'); |
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$displayString .= '&download='.$_.'">'; |
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$displayString .= 'DISPLAYDATA</a>'.$spacing; |
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$r->print(&Apache::lonhtmlcommon::FormatStudentInformation( |
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\%cache, $_, |
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\@updateColumn, |
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$displayString, |
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'preformatted')); |
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} |
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$displayString = 'DISPLAYDATA'.$spacing; |
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$r->print(&Apache::lonhtmlcommon::FormatStudentInformation( |
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\%cache, $_, |
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\@after, |
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$displayString, |
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'preformatted')); |
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$r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys)); |
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$r->print("\n"); |
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$r->rflush(); |
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untie(%cache); |
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} |
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} |
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$r->print('</pre>'."\n"); |
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if($selected == 0) { |
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$Str .= '<h3><font color=blue>WARNING: '; |
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$Str .= 'No Students enrolled OR Please select a student</font></h3>'; |
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$r->print($Str); |
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} else { |
} else { |
if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
$nextbutton .= '<input type="button" value="'. |
$r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys)); |
'Next student (none)'.'" />'; |
untie(%cache); |
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} |
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} |
} |
return; |
# |
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# Build the 'all students' button |
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my $all = ''; |
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$all .= '<input type="button" value="All Students" '. |
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'" onclick="document.Statistics.SelectedStudent.value='. |
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"''".';'.'document.Statistics.submit();" />'; |
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$Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton; |
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return $Str; |
} |
} |
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####################################################### |
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####################################################### |
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sub get_student_fields_to_show { |
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my @to_show = @Apache::lonstatistics::SelectedStudentData; |
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foreach (@to_show) { |
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if ($_ eq 'all') { |
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@to_show = @Apache::lonstatistics::StudentDataOrder; |
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last; |
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} |
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} |
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return @to_show; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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#---- Student Assessment Web Page -------------------------------------------- |
=item &CreateInterface() |
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sub CreateInterface { |
Called by &BuildStudentAssessmentPage to create the top part of the |
my($cache,$selectedName,$students,$formName,$doNotShow)=@_; |
page which displays the chart. |
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my $Str = ''; |
Inputs: None |
$Str .= &CreateLegend(); |
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$Str .= '<table><tr><td>'."\n"; |
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$Str .= '<input type="submit" name="PreviousStudent" '; |
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$Str .= 'value="Previous Student" />'."\n"; |
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$Str .= '   '."\n"; |
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$Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students, |
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$selectedName, |
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'StudentAssessment', |
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$formName); |
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$Str .= "\n".'   '."\n"; |
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$Str .= '<input type="submit" name="NextStudent" '; |
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$Str .= 'value="Next Student" />'."\n"; |
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$Str .= '</td></tr></table>'."\n"; |
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$Str .= '<table cellspacing="5"><tr>'."\n"; |
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$Str .= '<td align="center"><b>Select Sections</b>'."\n"; |
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$Str .= '</td>'."\n"; |
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$Str .= '<td align="center"><b>Select column to view:</b></td>'."\n"; |
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$Str .= '<td></td></tr>'."\n"; |
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Returns: A string containing the HTML for the headers and top table for |
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the chart page. |
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=cut |
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####################################################### |
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####################################################### |
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sub CreateInterface { |
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my $Str = ''; |
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$Str .= &Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data'); |
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# $Str .= &CreateLegend(); |
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$Str .= '<table cellspacing="5">'."\n"; |
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$Str .= '<tr>'; |
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$Str .= '<td align="center"><b>'.&mt('Sections').'</b>'. |
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&Apache::loncommon::help_open_topic("Chart_Sections"). |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Groups').'</b>'. |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Student Data</b>'). |
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&Apache::loncommon::help_open_topic("Chart_Student_Data"). |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'. |
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&Apache::loncommon::help_open_topic("Chart_Enrollment_Status"). |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'. |
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&Apache::loncommon::help_open_topic("Chart_Sequences"). |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'. |
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&Apache::loncommon::help_open_topic("Chart_Output_Formats"). |
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'</td>'; |
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$Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'. |
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&Apache::loncommon::help_open_topic("Chart_Output_Data"). |
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'</td>'; |
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$Str .= '</tr>'."\n"; |
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# |
$Str .= '<tr><td align="center">'."\n"; |
$Str .= '<tr><td align="center">'."\n"; |
my @sections = split(':',$cache->{'sectionList'}); |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
my @selectedSections = split(':',$cache->{'sectionsSelected'}); |
$Str .= '</td><td align="center">'; |
$Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, |
$Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5); |
\@selectedSections, |
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'Statistics'); |
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$Str .= '</td><td align="center">'; |
$Str .= '</td><td align="center">'; |
$Str .= &CreateColumnSelectionBox($doNotShow); |
$Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', |
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5,undef); |
$Str .= '</td><td>'."\n"; |
$Str .= '</td><td>'."\n"; |
$Str .= '<input type="submit" name="DefaultColumns" '; |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= 'value="Default Column Display" />'."\n"; |
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$Str .= '</td><td>'."\n"; |
$Str .= '</td><td>'."\n"; |
$Str .= '<input type="submit" name="displaymode" '; |
$Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5); |
if (! exists($ENV{'form.displaymode'}) || |
$Str .= '</td><td>'."\n"; |
lc($ENV{'form.displaymode'}) eq 'display with links') { |
$Str .= &CreateAndParseOutputSelector(); |
$Str .= 'value="Display without links" />'; |
$Str .= '</td><td>'."\n"; |
# Set the current value, in case it is undefined |
$Str .= &CreateAndParseOutputDataSelector(); |
$ENV{'form.displaymode'} = 'Display with links'; |
$Str .= '</td></tr>'."\n"; |
} else { |
$Str .= '</table>'."\n"; |
$Str .= 'value="Display with links" />'; |
$Str .= '<input type="submit" name="Generate Chart" value="'. |
} |
&mt('Generate Chart').'" />'; |
$Str .= "\n"; |
$Str .= ' 'x5; |
$Str .= '</td></tr></table>'."\n"; |
$Str .= '<input type="submit" name="selectstudent" value="'. |
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&mt('Select One Student').'" />'; |
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$Str .= ' 'x5; |
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$Str .= '<input type="submit" name="ClearCache" value="'. |
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&mt('Clear Caches').'" />'; |
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$Str .= ' 'x5; |
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$Str .= |
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&mt('Status [_1]', |
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'<input type="text" name="stats_status" size="60" value="" />'); |
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$Str .= '<br />'; |
return $Str; |
return $Str; |
} |
} |
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sub CreateTableHeadings { |
####################################################### |
my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys, |
####################################################### |
$sequenceHeadings)=@_; |
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=pod |
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=item &CreateAndParseOutputSelector() |
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=cut |
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####################################################### |
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####################################################### |
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my @OutputOptions = |
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({ name => 'HTML, with links', |
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value => 'html, with links', |
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description => 'Output HTML with each symbol linked to the problem '. |
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'which generated it.', |
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mode => 'html', |
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show_links => 'yes', |
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}, |
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{ name => 'HTML, with all links', |
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value => 'html, with all links', |
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description => 'Output HTML with each symbol linked to the problem '. |
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'which generated it. '. |
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'This includes links for unattempted problems.', |
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mode => 'html', |
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show_links => 'all', |
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}, |
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{ name => 'HTML, without links', |
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value => 'html, without links', |
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description => 'Output HTML. By not including links, the size of the'. |
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' web page is greatly reduced. If your browser crashes on the '. |
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'full display, try this.', |
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mode => 'html', |
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show_links => 'no', |
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}, |
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{ name => 'Excel', |
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value => 'excel', |
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description => 'Output an Excel file (compatable with Excel 95).', |
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mode => 'excel', |
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show_links => 'no', |
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}, |
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{ name => 'CSV', |
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value => 'csv', |
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description => 'Output a comma separated values file suitable for '. |
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'import into a spreadsheet program. Using this method as opposed '. |
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'to Excel output allows you to organize your data before importing'. |
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' it into a spreadsheet program.', |
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mode => 'csv', |
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show_links => 'no', |
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}, |
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); |
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# my $Str = '     '; |
sub OutputDescriptions { |
my $Str = ''; |
my $Str = ''; |
$Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n"; |
$Str .= "<h2>Output Formats</h2>\n"; |
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$Str .= "<dl>\n"; |
|
foreach my $outputmode (@OutputOptions) { |
|
$Str .=" <dt>".$outputmode->{'name'}."</dt>\n"; |
|
$Str .=" <dd>".$outputmode->{'description'}."</dd>\n"; |
|
} |
|
$Str .= "</dl>\n"; |
|
return $Str; |
|
} |
|
|
$Str .= '<tr>'."\n"; |
sub CreateAndParseOutputSelector { |
$Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings, |
my $Str = ''; |
$sequenceKeys); |
my $elementname = 'chartoutputmode'; |
$Str .= '<td></td></tr>'."\n"; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
[$elementname]); |
$Str .= '<tr>'."\n"; |
# |
my $displayString = '<td align="left"><pre><a href="/adm/statistics?'; |
# Format for output options is 'mode, restrictions'; |
$displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING'; |
my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0]; |
$displayString .= $spacing.'</pre></td>'."\n"; |
$selected = 'html, without links' if (!$selected); |
$Str .= &Apache::lonhtmlcommon::CreateHeadings($cache, |
|
$infoKeys, |
# |
$infoHeadings, |
# Set package variables describing output mode |
$displayString, |
$show_links = 'no'; |
'preformatted'); |
$output_mode = 'html'; |
|
foreach my $option (@OutputOptions) { |
$displayString = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing; |
next if ($option->{'value'} ne $selected); |
$displayString .= '</pre></td>'."\n"; |
$output_mode = $option->{'mode'}; |
$Str .= &Apache::lonhtmlcommon::CreateHeadings($cache, |
$show_links = $option->{'show_links'}; |
$sequenceKeys, |
} |
$sequenceHeadings, |
|
$displayString, |
# |
'preformatted'); |
# Build the form element |
|
$Str = qq/<select size="5" name="$elementname">/; |
|
foreach my $option (@OutputOptions) { |
|
$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
|
$Str .= " selected " if ($option->{'value'} eq $selected); |
|
$Str .= ">".&mt($option->{'name'})."<\/option>"; |
|
} |
|
$Str .= "\n</select>"; |
|
return $Str; |
|
} |
|
|
$Str .= '<td><pre>Total Solved/Total Problems</pre></td>'; |
## |
$Str .= '</tr></table>'."\n"; |
## Data selector stuff |
|
## |
|
my @OutputDataOptions = |
|
( |
|
{ name => 'Scores Summary', |
|
base => 'scores', |
|
value => 'sum and total', |
|
scores => 1, |
|
tries => 0, |
|
every_problem => 0, |
|
sequence_sum => 1, |
|
sequence_max => 1, |
|
grand_total => 1, |
|
grand_maximum => 1, |
|
summary_table => 1, |
|
maximum_row => 1, |
|
ignore_weight => 0, |
|
shortdesc => 'Total Score and Maximum Possible for each '. |
|
'Sequence or Folder', |
|
longdesc => 'The score of each student as well as the '. |
|
' maximum possible on each Sequence or Folder.', |
|
}, |
|
{ name => 'Scores Per Problem', |
|
base => 'scores', |
|
value => 'scores', |
|
scores => 1, |
|
tries => 0, |
|
correct => 0, |
|
every_problem => 1, |
|
sequence_sum => 1, |
|
sequence_max => 1, |
|
grand_total => 1, |
|
grand_maximum => 1, |
|
summary_table => 1, |
|
maximum_row => 1, |
|
ignore_weight => 0, |
|
shortdesc => 'Score on each Problem Part', |
|
longdesc =>'The students score on each problem part, computed as'. |
|
'the part weight * part awarded', |
|
}, |
|
{ name =>'Tries', |
|
base =>'tries', |
|
value => 'tries', |
|
scores => 0, |
|
tries => 1, |
|
correct => 0, |
|
every_problem => 1, |
|
sequence_sum => 0, |
|
sequence_max => 0, |
|
grand_total => 0, |
|
grand_maximum => 0, |
|
summary_table => 0, |
|
maximum_row => 0, |
|
ignore_weight => 0, |
|
shortdesc => 'Number of Tries before success on each Problem Part', |
|
longdesc =>'The number of tries before success on each problem part.', |
|
non_html_notes => 'negative values indicate an incorrect problem', |
|
}, |
|
{ name =>'Parts Correct', |
|
base =>'tries', |
|
value => 'parts correct total', |
|
scores => 0, |
|
tries => 0, |
|
correct => 1, |
|
every_problem => 1, |
|
sequence_sum => 1, |
|
sequence_max => 1, |
|
grand_total => 1, |
|
grand_maximum => 1, |
|
summary_table => 1, |
|
maximum_row => 0, |
|
ignore_weight => 1, |
|
shortdesc => 'Number of Problem Parts completed successfully.', |
|
longdesc => 'The Number of Problem Parts completed successfully and '. |
|
'the maximum possible for each student', |
|
}, |
|
); |
|
|
|
sub HTMLifyOutputDataDescriptions { |
|
my $Str = ''; |
|
$Str .= "<h2>Output Data</h2>\n"; |
|
$Str .= "<dl>\n"; |
|
foreach my $option (@OutputDataOptions) { |
|
$Str .= ' <dt>'.$option->{'name'}.'</dt>'; |
|
$Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n"; |
|
} |
|
$Str .= "</dl>\n"; |
return $Str; |
return $Str; |
} |
} |
|
|
=pod |
sub CreateAndParseOutputDataSelector { |
|
my $Str = ''; |
|
my $elementname = 'chartoutputdata'; |
|
# |
|
my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0]; |
|
$selected = 'scores' if (!$selected); |
|
|
|
# |
|
$chosen_output = $OutputDataOptions[0]; |
|
foreach my $option (@OutputDataOptions) { |
|
if ($option->{'value'} eq $selected) { |
|
$chosen_output = $option; |
|
} |
|
} |
|
# |
|
# Build the form element |
|
$Str = qq/<select size="5" name="$elementname">/; |
|
foreach my $option (@OutputDataOptions) { |
|
$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
|
$Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'}); |
|
$Str .= ">".&mt($option->{'name'})."<\/option>"; |
|
} |
|
$Str .= "\n</select>"; |
|
return $Str; |
|
|
=item &FormatStudentData() |
} |
|
|
First, FormatStudentInformation is called and prefixes the course information. |
####################################################### |
This function produces a formatted string of the student\'s course information. |
####################################################### |
Each column of data represents all the problems for a given sequence. For |
sub count_parts { |
valid grade data, a link is created for that problem to a submission record |
my ($navmap,$sequence) = @_; |
for that problem. |
my @resources = &get_resources($navmap,$sequence); |
|
my $count = 0; |
|
foreach my $res (@resources) { |
|
$count += scalar(@{$res->parts}); |
|
} |
|
return $count; |
|
} |
|
|
=over 4 |
sub get_resources { |
|
my ($navmap,$sequence) = @_; |
|
my @resources = $navmap->retrieveResources($sequence, |
|
sub { shift->is_problem(); }, |
|
0,0,0); |
|
return @resources; |
|
} |
|
|
Input: $name, $studentInformation, $ChartDB |
####################################################### |
|
####################################################### |
|
|
$name: The name and domain of the current student in name:domain format |
=pod |
|
|
$studentInformation: A pointer to an array holding the names used to |
=head2 HTML output routines |
remove data from the hash. They represent |
|
the name of the data to be removed. |
|
|
|
$ChartDB: The name of the cached data database which will be tied to that |
=item &html_initialize($r) |
database. |
|
|
|
Output: $Str |
Create labels for the columns of student data to show. |
|
|
$Str: Formatted string that is an entire row of the chart. It is a |
=item &html_outputstudent($r,$student) |
concatenation of student information and student course information. |
|
|
|
=back |
Return a line of the chart for a student. |
|
|
|
=item &html_finish($r) |
|
|
=cut |
=cut |
|
|
sub StudentReport { |
####################################################### |
my ($cache,$name,$spacing,$showSequences)=@_; |
####################################################### |
my ($username,$domain)=split(':',$name); |
{ |
|
my $padding; |
|
my $count; |
|
|
|
my $nodata_count; # The number of students for which there is no data |
|
my %prog_state; # progress state used by loncommon PrgWin routines |
|
my $total_sum_width; |
|
|
|
my %width; # Holds sequence width information |
|
my @sequences; |
|
my $navmap; # Have to keep this around since weakref is a bit zealous |
|
|
|
sub html_cleanup { |
|
undef(%prog_state); |
|
undef(%width); |
|
# |
|
undef($navmap); |
|
undef(@sequences); |
|
} |
|
|
my $Str = ''; |
sub html_initialize { |
if(defined($cache->{$name.':error'})) { |
my ($r) = @_; |
return $Str; |
# |
} |
$padding = ' 'x3; |
if($cache->{$name.':error'} =~ /course/) { |
$count = 0; |
$Str .= '<b><font color="blue">No course data for student </font>'; |
$nodata_count = 0; |
$Str .= '<font color="red">'.$username.'.</font></b><br>'; |
&html_cleanup(); |
return $Str; |
($navmap,@sequences) = |
} |
&Apache::lonstatistics::selected_sequences_with_assessments(); |
|
if (! ref($navmap)) { |
my $hasVersion = 'false'; |
# Unable to get data, so bail out |
my $hasFinalData = 'false'; |
$r->print("<h3>". |
foreach my $sequence (@$showSequences) { |
&mt('Unable to retrieve course information.'). |
my $hasData = 'false'; |
'</h3>'); |
my $characterCount=0; |
} |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
|
my $problem = $cache->{$problemID.':problem'}; |
# If we're showing links, show a checkbox to open in new |
# All grades (except for versionless parts) are displayed as links |
# windows. |
# to their submission record. Loop through all the parts for the |
if ($show_links ne 'no') { |
# current problem in the correct order and prepare the output links |
$r->print(<<NEW_WINDOW_CHECKBOX); |
foreach(split(/\:/,$cache->{$sequence.':'.$problemID. |
<script type="text/javascript">new_window = true;</script> |
':parts'})) { |
<p><label>Show links in new window: |
if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' || |
<input type="checkbox" checked="1" onclick="new_window=this.checked" /> |
$cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' || |
</label></p> |
$cache->{$name.':'.$problemID.':'.$_.':code'} eq '') { |
NEW_WINDOW_CHECKBOX |
$Str .= ' '; |
} |
$characterCount++; |
|
next; |
# |
} |
$r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}. |
$hasVersion = 'true'; |
" ".localtime(time)."</h3>"); |
$hasData = 'true'; |
# |
if (lc($ENV{'form.displaymode'}) ne 'display without links') { |
if ($chosen_output->{'base'} !~ /^final table/) { |
$Str .= '<a href="/adm/grades?symb='; |
$r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>"); |
$Str .= &Apache::lonnet::escape($problem); |
} |
$Str .= '&student='.$username.'&domain='.$domain; |
my $Str = "<pre>\n"; |
$Str .= '&command=submission">'; |
# First, the @StudentData fields need to be listed |
} |
my @to_show = &get_student_fields_to_show(); |
my $code = $cache->{$name.':'.$problemID.':'.$_.':code'}; |
foreach my $field (@to_show) { |
my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'}; |
my $title=$Apache::lonstatistics::StudentData{$field}->{'title'}; |
if($code eq '*' && $tries < 10 && $tries ne '') { |
my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'}; |
$code = $tries; |
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'}; |
} |
$Str .= $title.' 'x($width-$base).$padding; |
$Str .= $code; |
} |
if (lc($ENV{'form.displaymode'}) ne 'display without links') { |
# |
$Str .= '</a>'; |
# Compute the column widths and output the sequence titles |
} |
my $total_count; |
$characterCount++; |
# |
|
# Compute sequence widths |
|
my $starttime = Time::HiRes::time; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
my $title = $seq->compTitle; |
|
$width{$symb}->{'width_sum'} = 0; |
|
# Compute width of sum |
|
if ($chosen_output->{'sequence_sum'}) { |
|
if ($chosen_output->{'every_problem'}) { |
|
# Use 1 digit for a space |
|
$width{$symb}->{'width_sum'} += 1; |
} |
} |
|
$total_count += &count_parts($navmap,$seq); |
|
# Use 3 digits for the sum |
|
$width{$symb}->{'width_sum'} += 3; |
} |
} |
|
# Compute width of maximum |
# Output the number of correct answers for the current sequence. |
if ($chosen_output->{'sequence_max'}) { |
# This part takes up 6 character slots, but is formated right |
if ($width{$symb}->{'width_sum'}>0) { |
# justified. |
# One digit for the '/' |
my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount; |
$width{$symb}->{'width_sum'} +=1; |
$spacesNeeded -= 3; |
} |
$Str .= (' 'x$spacesNeeded); |
# Use 3 digits for the total |
|
$width{$symb}->{'width_sum'}+=3; |
# my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence. |
} |
# ':problemsCorrect'}); |
# |
|
if ($chosen_output->{'every_problem'}) { |
my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence. |
# one problem per digit |
':problemsCorrect'}, |
$width{$symb}->{'width_parts'}= &count_parts($navmap,$seq); |
$characterCount); |
$width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'}; |
if($hasData eq 'true') { |
|
$Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>'; |
|
$hasFinalData = 'true'; |
|
} else { |
} else { |
$Str .= '<font color="#007700"> </font>'; |
$width{$symb}->{'width_problem'} = 0; |
} |
} |
$Str .= $spacing; |
$width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} + |
} |
$width{$symb}->{'width_sum'}; |
|
if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) { |
|
$width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title)); |
|
} |
|
# |
|
# Output the sequence titles |
|
$Str .= $title.(' 'x($width{$symb}->{'width_total'}- |
|
length($title) |
|
)).$padding; |
|
} |
|
$total_sum_width = length($total_count)+1; |
|
$Str .= " total</pre>\n"; |
|
$Str .= "<pre>"; |
|
$r->print($Str); |
|
$r->rflush(); |
|
|
# Output the total correct problems over the total number of problems. |
$r->print(<<JS); |
# I don't like this type of formatting, but it is a solution. Need |
<script type="text/javascript"> |
# a way to dynamically determine the space requirements. |
// get the left offset of a given widget as an absolute position |
my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'}); |
function getLeftOffset (element) { |
my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'}); |
return collect(element, "offsetLeft"); |
if($hasFinalData eq 'true') { |
} |
$Str .= '<font color="#000088">'.$outputProblemsSolved. |
|
' / '.$outputTotalProblems.'</font>'; |
// get the top offset of a given widget as an absolute position |
} else { |
function getTopOffset (element) { |
$Str .= '<font color="#000088"> </font>'; |
return collect(element, "offsetTop"); |
} |
} |
|
|
if($hasVersion eq 'false') { |
function collect(element, att) { |
$Str = '<b><font color="blue">No course data.</font></b>'; |
var val = 0; |
|
while(element) { |
|
val += element[att]; |
|
element = element.offsetParent; |
} |
} |
|
return val; |
|
} |
|
|
return $Str; |
var currentDiv; |
|
var currentElement; |
|
function popup_score(element, score) { |
|
popdown_score(); |
|
var left = getLeftOffset(element); |
|
var top = getTopOffset(element); |
|
var div = document.createElement("div"); |
|
div.className = "LC_chrt_popup"; |
|
div.appendChild(document.createTextNode(score)); |
|
div.style.position = "absolute"; |
|
div.style.top = (top - 25) + "px"; |
|
div.style.left = (left - 10) + "px"; |
|
currentDiv = div; |
|
document.body.insertBefore(div, document.body.childNodes[0]); |
|
element.className = "LC_chrt_popup_up"; |
|
currentElement = element; |
} |
} |
|
|
|
function popdown_score() { |
|
if (currentDiv) { |
|
document.body.removeChild(currentDiv); |
|
} |
|
if (currentElement) { |
|
currentElement.className = 'LC_chrt_popup_exists'; |
|
} |
|
currentDiv = undefined; |
|
} |
|
</script> |
|
JS |
|
|
sub StudentAverageTotal { |
# |
my ($cache, $students, $sequenceKeys)=@_; |
# Let the user know what we are doing |
my $Str = "\n<b>Summary Tables:</b>\n"; |
my $studentcount = scalar(@Apache::lonstatistics::Students); |
my %Correct = (); |
if ($env{'form.SelectedStudent'}) { |
my $ProblemsSolved = 0; |
$studentcount = '1'; |
my $TotalProblems = 0; |
} |
my $StudentCount = 0; |
# |
|
# Initialize progress window |
foreach my $name (@$students) { |
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
$StudentCount++; |
($r,'HTML Chart Status', |
foreach my $sequence (@$sequenceKeys) { |
'HTML Chart Progress', $studentcount, |
$Correct{$sequence} += |
'inline',undef,'Statistics','stats_status'); |
$cache->{$name.':'.$sequence.':problemsCorrect'}; |
# |
} |
&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state, |
$ProblemsSolved += $cache->{$name.':problemsSolved'}; |
'Processing first student'); |
$TotalProblems += $cache->{$name.':totalProblems'}; |
return; |
} |
} |
if ($StudentCount) { |
|
$ProblemsSolved /= $StudentCount; |
sub html_outputstudent { |
$TotalProblems /= $StudentCount; |
my ($r,$student) = @_; |
|
my $Str = ''; |
|
return if (! defined($navmap)); |
|
# |
|
if($count++ % 5 == 0 && $count > 0) { |
|
$r->print("</pre><pre>"); |
|
} |
|
# First, the @StudentData fields need to be listed |
|
my @to_show = &get_student_fields_to_show(); |
|
foreach my $field (@to_show) { |
|
my $title=$student->{$field}; |
|
# Deal with 'comments' - how I love special cases |
|
if ($field eq 'comments') { |
|
$title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>'; |
|
} |
|
my $base = length($title); |
|
my $width=$Apache::lonstatistics::StudentData{$field}->{'width'}; |
|
$Str .= $title.' 'x($width-$base).$padding; |
|
} |
|
# Get ALL the students data |
|
my %StudentsData; |
|
my @tmp = &Apache::loncoursedata::get_current_state |
|
($student->{'username'},$student->{'domain'},undef, |
|
$env{'request.course.id'}); |
|
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) { |
|
%StudentsData = @tmp; |
} else { |
} else { |
$ProblemsSolved = 0; |
my $error = $1; |
$TotalProblems = 0; |
if (scalar(@tmp) < 1) { |
|
$Str .= '<font color="blue">No Course Data</font>'."\n"; |
|
} else { |
|
$Str .= '<span class="LC_error">Error getting student data ('. |
|
$error.') </span>'."\n"; |
|
} |
|
$nodata_count++; |
|
$r->print($Str); |
|
$r->rflush(); |
|
return; |
} |
} |
$Str .= '<table border=2 cellspacing="1">'."\n"; |
# |
$Str .= '<tr><td><b>Students Count</b></td><td><b>'. |
# By sequence build up the data |
$StudentCount.'</b></td></tr>'."\n"; |
my $studentstats; |
$Str .= '<tr><td><b>Total Problems</b></td><td><b>'. |
my $PerformanceStr = ''; |
$TotalProblems.'</b></td></tr>'."\n"; |
foreach my $seq (@sequences) { |
$Str .= '<tr><td><b>Average Correct</b></td><td><b>'. |
my $symb = $seq->symb; |
$ProblemsSolved.'</b></td></tr>'."\n"; |
my ($performance,$performance_length,$score,$seq_max,$rawdata); |
$Str .= '</table>'."\n"; |
if ($chosen_output->{'tries'}) { |
|
($performance,$performance_length,$score,$seq_max,$rawdata) = |
$Str .= '<table border=2 cellspacing="1">'."\n"; |
&student_tries_on_sequence($student,\%StudentsData, |
$Str .= '<tr><th>Title</th><th>Total Problems</th>'. |
$navmap,$seq,$show_links); |
'<th>Average Correct</th></tr>'."\n"; |
|
foreach my $S(@$sequenceKeys) { |
|
my $title=$cache->{$S.':title'}; |
|
#$Str .= $cache->{$S.':problems'}; |
|
#my @problems=split(':', $cache->{$S.':problems'}); |
|
#my $pCount=scalar @problems; |
|
my $pCount=MaxSeqPr($cache,@$students[0],$S); |
|
my $crr; |
|
if ($StudentCount) { |
|
$crr=sprintf( "%.2f", $Correct{$S}/$StudentCount ); |
|
} else { |
} else { |
$crr="0.00"; |
($performance,$performance_length,$score,$seq_max,$rawdata) = |
|
&student_performance_on_sequence($student,\%StudentsData, |
|
$navmap,$seq,$show_links, |
|
$chosen_output->{ignore_weight}); |
|
} |
|
my $ratio=''; |
|
if ($chosen_output->{'every_problem'} && |
|
$chosen_output->{'sequence_sum'}) { |
|
$ratio .= ' '; |
|
} |
|
if ($chosen_output->{'sequence_sum'} && $score ne ' ') { |
|
my $score .= sprintf("%3.0f",$score); |
|
$ratio .= (' 'x(3-length($score))).$score; |
|
} elsif($chosen_output->{'sequence_sum'}) { |
|
$ratio .= ' 'x3; |
|
} |
|
if ($chosen_output->{'sequence_max'}) { |
|
if ($chosen_output->{'sequence_sum'}) { |
|
$ratio .= '/'; |
|
} |
|
$ratio .= sprintf("%3.0f",$seq_max); |
|
} |
|
# |
|
if (! $chosen_output->{'every_problem'}) { |
|
$performance = ''; |
|
$performance_length=0; |
|
} |
|
$performance .= ' 'x($width{$symb}->{'width_total'} - |
|
$performance_length - |
|
$width{$symb}->{'width_sum'}). |
|
$ratio; |
|
# |
|
$Str .= $performance.$padding; |
|
# |
|
$studentstats->{$symb}->{'score'}= $score; |
|
$studentstats->{$symb}->{'max'} = $seq_max; |
|
} |
|
# |
|
# Total it up and store the statistics info. |
|
my ($score,$max); |
|
while (my ($symb,$seq_stats) = each (%{$studentstats})) { |
|
$Statistics->{$symb}->{'score'} += $seq_stats->{'score'}; |
|
if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) { |
|
$Statistics->{$symb}->{'max'} = $seq_stats->{'max'}; |
} |
} |
$Str .= '<tr><td>'.$title. |
if ($seq_stats->{'score'} ne ' ') { |
'</td><td align=center>'.$pCount. |
$score += $seq_stats->{'score'}; |
'</td><td align=center>'.$crr. |
$Statistics->{$symb}->{'num_students'}++; |
'</td></tr>'."\n"; |
} |
|
$max += $seq_stats->{'max'}; |
|
} |
|
if (! defined($score)) { |
|
$score = ' ' x $total_sum_width; |
|
} else { |
|
$score = sprintf("%.0f",$score); |
|
$score = (' 'x(3-length($score))).$score; |
} |
} |
|
$Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max; |
|
$Str .= " \n"; |
|
# |
|
$r->print($Str); |
|
# |
|
$r->rflush(); |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); |
|
return; |
|
} |
|
|
$Str .= '</table>'."\n"; |
sub html_finish { |
|
my ($r) = @_; |
|
return if (! defined($navmap)); |
|
# |
|
# Check for suppressed output and close the progress window if so |
|
$r->print("</pre>\n"); |
|
if ($chosen_output->{'summary_table'}) { |
|
if ($single_student_mode) { |
|
$r->print(&SingleStudentTotal()); |
|
} else { |
|
$r->print(&StudentAverageTotal()); |
|
} |
|
} |
|
$r->rflush(); |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
&html_cleanup(); |
|
return; |
|
} |
|
|
|
sub StudentAverageTotal { |
|
my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/; |
|
$Str .= '<table border=2 cellspacing="1">'."\n"; |
|
$Str .= '<tr>'. |
|
'<th>'.&mt('Title').'</th>'. |
|
'<th>'.&mt('Average').'</th>'. |
|
'<th>'.&mt('Maximum').'</th>'. |
|
'</tr>'.$/; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
my $ave; |
|
my $num_students = $Statistics->{$symb}->{'num_students'}; |
|
if ($num_students > 0) { |
|
$ave = int(100* |
|
($Statistics->{$symb}->{'score'}/$num_students) |
|
)/100; |
|
} else { |
|
$ave = 0; |
|
} |
|
my $max = $Statistics->{$symb}->{'max'}; |
|
$ave = sprintf("%.2f",$ave); |
|
$Str .= '<tr><td>'.$seq->compTitle.'</td>'. |
|
'<td align="right">'.$ave.' </td>'. |
|
'<td align="right">'.$max.' '.'</td></tr>'."\n"; |
|
} |
|
$Str .= "</table>\n"; |
return $Str; |
return $Str; |
} |
} |
|
|
|
sub SingleStudentTotal { |
|
return if (! defined($navmap)); |
sub MaxSeqPr { |
my $student = &Apache::lonstatistics::current_student(); |
my ($cache, $name, $sequence)=@_; |
my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])', |
my $prCount=0; |
$student->{'fullname'}, |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
$student->{'username'},$student->{'domain'}).'</h3>'; |
my $problem = $cache->{$problemID.':problem'}; |
$Str .= $/; |
foreach(split(/\:/,$cache->{$sequence.':'.$problemID.':parts'})) { |
$Str .= '<table border=2 cellspacing="1">'."\n"; |
if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' || |
$Str .= |
$cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' || |
'<tr>'. |
$cache->{$name.':'.$problemID.':'.$_.':code'} eq '') { |
'<th>'.&mt('Sequence or Folder').'</th>'; |
$prCount++; |
if ($chosen_output->{'base'} eq 'tries') { |
next; |
$Str .= '<th>'.&mt('Parts Correct').'</th>'; |
} |
} else { |
$prCount++; |
$Str .= '<th>'.&mt('Score').'</th>'; |
} |
|
} |
} |
return $prCount; |
$Str .= '<th>'.&mt('Maximum').'</th>'."</tr>\n"; |
|
my $total = 0; |
|
my $total_max = 0; |
|
foreach my $seq (@sequences) { |
|
my $value = $Statistics->{$seq->symb}->{'score'}; |
|
my $max = $Statistics->{$seq->symb}->{'max'}; |
|
$Str .= '<tr><td>'.&HTML::Entities::encode($seq->compTitle).'</td>'. |
|
'<td align="right">'.$value.'</td>'. |
|
'<td align="right">'.$max.'</td></tr>'."\n"; |
|
$total += $value; |
|
$total_max +=$max; |
|
} |
|
$Str .= '<tr><td><b>'.&mt('Total').'</b></td>'. |
|
'<td align="right">'.$total.'</td>'. |
|
'<td align="right">'.$total_max."</td></tr>\n"; |
|
$Str .= "</table>\n"; |
|
return $Str; |
} |
} |
|
|
|
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=head2 EXCEL subroutines |
|
|
=pod |
=item &excel_initialize($r) |
|
|
=item &CreateLegend() |
=item &excel_outputstudent($r,$student) |
|
|
This function returns a formatted string containing the legend for the |
=item &excel_finish($r) |
chart. The legend describes the symbols used to represent grades for |
|
problems. |
|
|
|
=cut |
=cut |
|
|
sub CreateLegend { |
####################################################### |
my $Str = "<p><pre>". |
####################################################### |
" 1 correct by student in 1 try\n". |
{ |
" 7 correct by student in 7 tries\n". |
|
" * correct by student in more than 9 tries\n". |
my $excel_sheet; |
" + correct by hand grading or override\n". |
my $excel_workbook; |
" - incorrect by override\n". |
my $format; |
" . incorrect attempted\n". |
|
" # ungraded attempted\n". |
my $filename; |
" not attempted (blank field)\n". |
my $rows_output; |
" x excused". |
my $cols_output; |
"</pre><p>"; |
|
return $Str; |
my %prog_state; # progress window state |
|
my $request_aborted; |
|
|
|
my $total_formula; |
|
my $maximum_formula; |
|
my %formula_data; |
|
|
|
my $navmap; |
|
my @sequences; |
|
|
|
sub excel_cleanup { |
|
# |
|
undef ($excel_sheet); |
|
undef ($excel_workbook); |
|
undef ($filename); |
|
undef ($rows_output); |
|
undef ($cols_output); |
|
undef (%prog_state); |
|
undef ($request_aborted); |
|
undef ($total_formula); |
|
undef ($maximum_formula); |
|
# |
|
undef(%formula_data); |
|
# |
|
undef($navmap); |
|
undef(@sequences); |
} |
} |
|
|
=pod |
sub excel_initialize { |
|
my ($r) = @_; |
|
|
=item &CreateColumnSelectionBox() |
&excel_cleanup(); |
|
($navmap,@sequences) = |
|
&Apache::lonstatistics::selected_sequences_with_assessments(); |
|
if (! ref($navmap)) { |
|
# Unable to get data, so bail out |
|
$r->print("<h3>". |
|
&mt('Unable to retrieve course information.'). |
|
'</h3>'); |
|
} |
|
# |
|
my $total_columns = scalar(&get_student_fields_to_show()); |
|
my $num_students = scalar(@Apache::lonstatistics::Students); |
|
# |
|
foreach my $seq (@sequences) { |
|
if ($chosen_output->{'every_problem'}) { |
|
$total_columns+=&count_parts($navmap,$seq); |
|
} |
|
# Add 2 because we need a 'sequence_sum' and 'total' column for each |
|
$total_columns += 2; |
|
} |
|
my $too_many_cols_error_message = |
|
'<h2>'.&mt('Unable to Complete Request').'</h2>'.$/. |
|
'<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/. |
|
'<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/. |
|
'<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/; |
|
if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) { |
|
$r->print($too_many_cols_error_message); |
|
$request_aborted = 1; |
|
} |
|
if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) { |
|
$r->print($too_many_cols_error_message); |
|
$request_aborted = 1; |
|
} |
|
return if ($request_aborted); |
|
# |
|
# |
|
$excel_workbook = undef; |
|
$excel_sheet = undef; |
|
# |
|
$rows_output = 0; |
|
$cols_output = 0; |
|
# |
|
# Determine rows |
|
my $header_row = $rows_output++; |
|
my $description_row = $rows_output++; |
|
my $notes_row = $rows_output++; |
|
$rows_output++; # blank row |
|
my $summary_header_row; |
|
if ($chosen_output->{'summary_table'}) { |
|
$summary_header_row = $rows_output++; |
|
$rows_output+= scalar(@sequences); |
|
$rows_output++; |
|
} |
|
my $sequence_name_row = $rows_output++; |
|
my $resource_name_row = $rows_output++; |
|
my $maximum_data_row = $rows_output++; |
|
if (! $chosen_output->{'maximum_row'}) { |
|
$rows_output--; |
|
} |
|
my $first_data_row = $rows_output++; |
|
# |
|
# Create sheet |
|
($excel_workbook,$filename,$format)= |
|
&Apache::loncommon::create_workbook($r); |
|
return if (! defined($excel_workbook)); |
|
# |
|
# Add a worksheet |
|
my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'}; |
|
$sheetname = &Apache::loncommon::clean_excel_name($sheetname); |
|
$excel_sheet = $excel_workbook->addworksheet($sheetname); |
|
# |
|
# Put the course description in the header |
|
$excel_sheet->write($header_row,$cols_output++, |
|
$env{'course.'.$env{'request.course.id'}.'.description'}, |
|
$format->{'h1'}); |
|
$cols_output += 3; |
|
# |
|
# Put a description of the sections listed |
|
my $sectionstring = ''; |
|
my @Sections = &Apache::lonstatistics::get_selected_sections(); |
|
$excel_sheet->write($header_row,$cols_output++, |
|
&Apache::lonstatistics::section_and_enrollment_description('plaintext'), |
|
$format->{'h3'}); |
|
# |
|
# Put the date in there too |
|
$excel_sheet->write($header_row,$cols_output++, |
|
'Compiled on '.localtime(time),$format->{'h3'}); |
|
# |
|
$cols_output = 0; |
|
$excel_sheet->write($description_row,$cols_output++, |
|
$chosen_output->{'shortdesc'}, |
|
$format->{'b'}); |
|
# |
|
$cols_output = 0; |
|
$excel_sheet->write($notes_row,$cols_output++, |
|
$chosen_output->{'non_html_notes'}, |
|
$format->{'i'}); |
|
|
|
############################################## |
|
# Output headings for the raw data |
|
############################################## |
|
# |
|
# Add the student headers |
|
$cols_output = 0; |
|
foreach my $field (&get_student_fields_to_show()) { |
|
$excel_sheet->write($resource_name_row,$cols_output++,$field, |
|
$format->{'bold'}); |
|
} |
|
# |
|
# Add the remaining column headers |
|
my $total_formula_string = '=0'; |
|
my $maximum_formula_string = '=0'; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
$excel_sheet->write($sequence_name_row,, |
|
$cols_output,$seq->compTitle,$format->{'bold'}); |
|
# Determine starting cell |
|
$formula_data{$symb}->{'Excel:startcell'}= |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output); |
|
$formula_data{$symb}->{'Excel:startcol'}=$cols_output; |
|
my $count = 0; |
|
if ($chosen_output->{'every_problem'}) { |
|
# Put the names of the problems and parts into the sheet |
|
foreach my $res (&get_resources($navmap,$seq)) { |
|
if (scalar(@{$res->parts}) > 1) { |
|
foreach my $part (@{$res->parts}) { |
|
$excel_sheet->write($resource_name_row, |
|
$cols_output++, |
|
$res->compTitle.' part '.$res->part_display($part), |
|
$format->{'bold'}); |
|
$count++; |
|
} |
|
} else { |
|
$excel_sheet->write($resource_name_row, |
|
$cols_output++, |
|
$res->compTitle,$format->{'bold'}); |
|
$count++; |
|
} |
|
} |
|
} |
|
# Determine ending cell |
|
if ($count <= 1) { |
|
$formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'}; |
|
$formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'}; |
|
} else { |
|
$formula_data{$symb}->{'Excel:endcell'} = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output-1); |
|
$formula_data{$symb}->{'Excel:endcol'} = $cols_output-1; |
|
} |
|
# Create the formula for summing up this sequence |
|
if (! exists($formula_data{$symb}->{'Excel:endcell'}) || |
|
! defined($formula_data{$symb}->{'Excel:endcell'})) { |
|
$formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'}; |
|
} |
|
|
If there are columns not being displayed then this selection box is created |
my $start = $formula_data{$symb}->{'Excel:startcell'}; |
with a list of those columns. When selections are made and the page |
my $end = $formula_data{$symb}->{'Excel:endcell'}; |
refreshed, the columns will be removed from this box and the column is |
$formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula |
put back in the chart. If there is no columns to select, no row is added |
("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")"); |
to the interface table. |
# Determine cell the score is held in |
|
$formula_data{$symb}->{'Excel:scorecell'} = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output); |
|
$formula_data{$symb}->{'Excel:scorecol'}=$cols_output; |
|
if ($chosen_output->{'base'} eq 'parts correct total') { |
|
$excel_sheet->write($resource_name_row,$cols_output++, |
|
'parts correct', |
|
$format->{'bold'}); |
|
} elsif ($chosen_output->{'sequence_sum'}) { |
|
if ($chosen_output->{'correct'}) { |
|
# Only reporting the number correct, so do not call it score |
|
$excel_sheet->write($resource_name_row,$cols_output++, |
|
'sum', |
|
$format->{'bold'}); |
|
} else { |
|
$excel_sheet->write($resource_name_row,$cols_output++, |
|
'score', |
|
$format->{'bold'}); |
|
} |
|
} |
|
# |
|
$total_formula_string.='+'. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output-1); |
|
if ($chosen_output->{'sequence_max'}) { |
|
$excel_sheet->write($resource_name_row,$cols_output, |
|
'maximum', |
|
$format->{'bold'}); |
|
$formula_data{$symb}->{'Excel:maxcell'} = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output); |
|
$formula_data{$symb}->{'Excel:maxcol'}=$cols_output; |
|
$maximum_formula_string.='+'. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$cols_output); |
|
$cols_output++; |
|
|
=over 4 |
} |
Input: $CacheData, $headings |
} |
|
if ($chosen_output->{'grand_total'}) { |
|
$excel_sheet->write($resource_name_row,$cols_output++,'Total', |
|
$format->{'bold'}); |
|
} |
|
if ($chosen_output->{'grand_maximum'}) { |
|
$excel_sheet->write($resource_name_row,$cols_output++,'Max. Total', |
|
$format->{'bold'}); |
|
} |
|
$total_formula = $excel_sheet->store_formula($total_formula_string); |
|
$maximum_formula = $excel_sheet->store_formula($maximum_formula_string); |
|
############################################## |
|
# Output a row for MAX, if appropriate |
|
############################################## |
|
if ($chosen_output->{'maximum_row'}) { |
|
$cols_output = 0; |
|
foreach my $field (&get_student_fields_to_show()) { |
|
if ($field eq 'username' || $field eq 'fullname' || |
|
$field eq 'id') { |
|
$excel_sheet->write($maximum_data_row,$cols_output++,'Maximum', |
|
$format->{'bold'}); |
|
} else { |
|
$excel_sheet->write($maximum_data_row,$cols_output++,''); |
|
} |
|
} |
|
# |
|
# Add the maximums for each sequence or assessment |
|
my %total_cell_translation; |
|
my %maximum_cell_translation; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
$cols_output=$formula_data{$symb}->{'Excel:startcol'}; |
|
$total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}= |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'}); |
|
$maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}= |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'}); |
|
my $weight; |
|
my $max = 0; |
|
foreach my $resource (&get_resources($navmap,$seq)) { |
|
foreach my $part (@{$resource->parts}){ |
|
$weight = 1; |
|
if ($chosen_output->{'scores'}) { |
|
$weight = &Apache::lonnet::EXT |
|
('resource.'.$part.'.weight',$resource->symb, |
|
undef,undef,undef); |
|
if (!defined($weight) || ($weight eq '')) { |
|
$weight=1; |
|
} |
|
} |
|
if ($chosen_output->{'scores'} && |
|
$chosen_output->{'every_problem'}) { |
|
$excel_sheet->write($maximum_data_row,$cols_output++, |
|
$weight); |
|
} |
|
$max += $weight; |
|
} |
|
} |
|
# |
|
if ($chosen_output->{'sequence_sum'} && |
|
$chosen_output->{'every_problem'}) { |
|
my %replaceCells= |
|
('^'.$formula_data{$symb}->{'Excel:startcell'}.':'. |
|
$formula_data{$symb}->{'Excel:endcell'}.'$' => |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'})); |
|
$excel_sheet->repeat_formula($maximum_data_row,$cols_output++, |
|
$formula_data{$symb}->{'Excel:sum'},undef, |
|
%replaceCells, %replaceCells); |
|
|
|
} elsif ($chosen_output->{'sequence_sum'}) { |
|
$excel_sheet->write($maximum_data_row,$cols_output++,$max); |
|
} |
|
if ($chosen_output->{'sequence_max'}) { |
|
$excel_sheet->write($maximum_data_row,$cols_output++,$max); |
|
} |
|
# |
|
} |
|
if ($chosen_output->{'grand_total'}) { |
|
$excel_sheet->repeat_formula($maximum_data_row,$cols_output++, |
|
$total_formula,undef, |
|
%total_cell_translation); |
|
} |
|
if ($chosen_output->{'grand_maximum'}) { |
|
$excel_sheet->repeat_formula($maximum_data_row,$cols_output++, |
|
$maximum_formula,undef, |
|
%maximum_cell_translation); |
|
} |
|
} # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) { |
|
$rows_output = $first_data_row; |
|
############################################## |
|
# Output summary table, which actually is above the sequence name row. |
|
############################################## |
|
if ($chosen_output->{'summary_table'}) { |
|
$cols_output = 0; |
|
$excel_sheet->write($summary_header_row,$cols_output++, |
|
'Summary Table',$format->{'bold'}); |
|
if ($chosen_output->{'maximum_row'}) { |
|
$excel_sheet->write($summary_header_row,$cols_output++, |
|
'Maximum',$format->{'bold'}); |
|
} |
|
$excel_sheet->write($summary_header_row,$cols_output++, |
|
'Average',$format->{'bold'}); |
|
$excel_sheet->write($summary_header_row,$cols_output++, |
|
'Median',$format->{'bold'}); |
|
$excel_sheet->write($summary_header_row,$cols_output++, |
|
'Std Dev',$format->{'bold'}); |
|
my $row = $summary_header_row+1; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
$cols_output = 0; |
|
$excel_sheet->write($row,$cols_output++, |
|
$seq->compTitle, |
|
$format->{'bold'}); |
|
if ($chosen_output->{'maximum_row'}) { |
|
$excel_sheet->write |
|
($row,$cols_output++, |
|
'='. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'}) |
|
); |
|
} |
|
my $range = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}). |
|
':'. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'}); |
|
$excel_sheet->write($row,$cols_output++, |
|
'=AVERAGE('.$range.')'); |
|
$excel_sheet->write($row,$cols_output++, |
|
'=MEDIAN('.$range.')'); |
|
$excel_sheet->write($row,$cols_output++, |
|
'=STDEV('.$range.')'); |
|
$row++; |
|
} |
|
} |
|
############################################## |
|
# Take care of non-excel initialization |
|
############################################## |
|
# |
|
# Let the user know what we are doing |
|
my $studentcount = scalar(@Apache::lonstatistics::Students); |
|
if ($env{'form.SelectedStudent'}) { |
|
$studentcount = '1'; |
|
} |
|
if ($studentcount > 1) { |
|
$r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students', |
|
$studentcount)."</h1>\n"); |
|
} else { |
|
$r->print('<h1>'. |
|
&mt('Compiling Excel spreadsheet for 1 student'). |
|
"</h1>\n"); |
|
} |
|
$r->rflush(); |
|
# |
|
# Initialize progress window |
|
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,'Excel File Compilation Status', |
|
'Excel File Compilation Progress', $studentcount, |
|
'inline',undef,'Statistics','stats_status'); |
|
# |
|
&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state, |
|
'Processing first student'); |
|
return; |
|
} |
|
|
|
sub excel_outputstudent { |
|
my ($r,$student) = @_; |
|
if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) { |
|
return; |
|
} |
|
$cols_output=0; |
|
# |
|
# Write out student data |
|
my @to_show = &get_student_fields_to_show(); |
|
foreach my $field (@to_show) { |
|
my $value = $student->{$field}; |
|
if ($field eq 'comments') { |
|
$value = &Apache::lonmsgdisplay::retrieve_instructor_comments |
|
($student->{'username'},$student->{'domain'}); |
|
} |
|
$excel_sheet->write($rows_output,$cols_output++,$value); |
|
} |
|
# |
|
# Get student assessment data |
|
my %StudentsData; |
|
my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'}, |
|
$student->{'domain'}, |
|
undef, |
|
$env{'request.course.id'}); |
|
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) { |
|
%StudentsData = @tmp; |
|
} |
|
# |
|
# Write out sequence scores and totals data |
|
my %total_cell_translation; |
|
my %maximum_cell_translation; |
|
foreach my $seq (@sequences) { |
|
my $symb = $seq->symb; |
|
$cols_output = $formula_data{$symb}->{'Excel:startcol'}; |
|
# Keep track of cells to translate in total cell |
|
$total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($rows_output,$formula_data{$symb}->{'Excel:scorecol'}); |
|
# and maximum cell |
|
$maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} = |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell |
|
($rows_output,$formula_data{$symb}->{'Excel:maxcol'}); |
|
# |
|
my ($performance,$performance_length,$score,$seq_max,$rawdata); |
|
if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){ |
|
($performance,$performance_length,$score,$seq_max,$rawdata) = |
|
&student_tries_on_sequence($student,\%StudentsData, |
|
$navmap,$seq,'no'); |
|
} else { |
|
($performance,$performance_length,$score,$seq_max,$rawdata) = |
|
&student_performance_on_sequence($student,\%StudentsData, |
|
$navmap,$seq,'no', |
|
$chosen_output->{ignore_weight}); |
|
} |
|
if ($chosen_output->{'every_problem'}) { |
|
if ($chosen_output->{'correct'}) { |
|
# only indiciate if each item is correct or not |
|
foreach my $value (@$rawdata) { |
|
# positive means correct, 0 or negative means |
|
# incorrect |
|
$value = $value > 0 ? 1 : 0; |
|
$excel_sheet->write($rows_output,$cols_output++,$value); |
|
} |
|
} else { |
|
foreach my $value (@$rawdata) { |
|
if ($score eq ' ' || !defined($value)) { |
|
$cols_output++; |
|
} else { |
|
$excel_sheet->write($rows_output,$cols_output++, |
|
$value); |
|
} |
|
} |
|
} |
|
} |
|
if ($chosen_output->{'sequence_sum'} && |
|
$chosen_output->{'every_problem'}) { |
|
# Write a formula for the sum of this sequence |
|
my %replaceCells= |
|
('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$' |
|
=> |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'. |
|
&Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'}) |
|
); |
|
# The undef is for the format |
|
$excel_sheet->repeat_formula($rows_output,$cols_output++, |
|
$formula_data{$symb}->{'Excel:sum'},undef, |
|
%replaceCells, %replaceCells); |
|
} elsif ($chosen_output->{'sequence_sum'}) { |
|
if ($score eq ' ') { |
|
$cols_output++; |
|
} else { |
|
$excel_sheet->write($rows_output,$cols_output++,$score); |
|
} |
|
} |
|
if ($chosen_output->{'sequence_max'}) { |
|
$excel_sheet->write($rows_output,$cols_output++,$seq_max); |
|
} |
|
} |
|
# |
|
if ($chosen_output->{'grand_total'}) { |
|
$excel_sheet->repeat_formula($rows_output,$cols_output++, |
|
$total_formula,undef, |
|
%total_cell_translation); |
|
} |
|
if ($chosen_output->{'grand_maximum'}) { |
|
$excel_sheet->repeat_formula($rows_output,$cols_output++, |
|
$maximum_formula,undef, |
|
%maximum_cell_translation); |
|
} |
|
# |
|
# Bookkeeping |
|
$rows_output++; |
|
$cols_output=0; |
|
# |
|
# Update the progress window |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); |
|
return; |
|
} |
|
|
|
sub excel_finish { |
|
my ($r) = @_; |
|
if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) { |
|
&excel_cleanup(); |
|
return; |
|
} |
|
# |
|
# Write the excel file |
|
$excel_workbook->close(); |
|
# |
|
# Close the progress window |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
# |
|
# Tell the user where to get their excel file |
|
$r->print('<br />'. |
|
'<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n"); |
|
$r->rflush(); |
|
&excel_cleanup(); |
|
return; |
|
} |
|
|
|
} |
|
####################################################### |
|
####################################################### |
|
|
$CacheData: A pointer to a hash tied to the cached data |
=pod |
|
|
$headings: An array of the names of the columns for the student information. |
=head2 CSV output routines |
They are used for displaying which columns are missing. |
|
|
|
Output: $notThere |
=item &csv_initialize($r) |
|
|
$notThere: The string contains one row of a table. The first column has the |
=item &csv_outputstudent($r,$student) |
name of the selection box. The second contains the selection box |
|
which has a size of four. |
|
|
|
=back |
=item &csv_finish($r) |
|
|
=cut |
=cut |
|
|
sub CreateColumnSelectionBox { |
####################################################### |
my ($doNotShow)=@_; |
####################################################### |
|
{ |
|
|
|
my $outputfile; |
|
my $filename; |
|
my $request_aborted; |
|
my %prog_state; # progress window state |
|
my $navmap; |
|
my @sequences; |
|
|
|
sub csv_cleanup { |
|
undef($outputfile); |
|
undef($filename); |
|
undef($request_aborted); |
|
undef(%prog_state); |
|
# |
|
undef($navmap); |
|
undef(@sequences); |
|
} |
|
|
my $notThere = ''; |
sub csv_initialize{ |
$notThere .= '<select name="ReselectColumns" size="4" '; |
my ($r) = @_; |
$notThere .= 'multiple="true">'."\n"; |
|
|
|
for(my $index=0; $index<$doNotShow->{'count'}; $index++) { |
&csv_cleanup(); |
my $name = $doNotShow->{$index.':name'}; |
($navmap,@sequences) = |
$notThere .= '<option value="'; |
&Apache::lonstatistics::selected_sequences_with_assessments(); |
$notThere .= $doNotShow->{$index.':id'}.'">'; |
if (! ref($navmap)) { |
$notThere .= $name.'</option>'."\n"; |
# Unable to get data, so bail out |
|
$r->print("<h3>". |
|
&mt('Unable to retrieve course information.'). |
|
'</h3>'); |
|
} |
|
# |
|
# Deal with unimplemented requests |
|
$request_aborted = undef; |
|
if ($chosen_output->{'base'} =~ /final table/) { |
|
$r->print(<<END); |
|
<h2>Unable to Complete Request</h2> |
|
<p> |
|
The <b>Summary Table (Scores)</b> option is not available for non-HTML output. |
|
</p> |
|
END |
|
$request_aborted = 1; |
|
} |
|
return if ($request_aborted); |
|
# |
|
# Initialize progress window |
|
my $studentcount = scalar(@Apache::lonstatistics::Students); |
|
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,'CSV File Compilation Status', |
|
'CSV File Compilation Progress', $studentcount, |
|
'inline',undef,'Statistics','stats_status'); |
|
# |
|
# Open a file |
|
($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv'); |
|
if (! defined($outputfile)) { return ''; } |
|
# |
|
# Datestamp |
|
my $description = $env{'course.'.$env{'request.course.id'}.'.description'}; |
|
print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'. |
|
'"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'. |
|
"\n"; |
|
print $outputfile '"'. |
|
&Apache::loncommon::csv_translate |
|
(&Apache::lonstatistics::section_and_enrollment_description()). |
|
'"'."\n"; |
|
foreach my $item ('shortdesc','non_html_notes') { |
|
next if (! exists($chosen_output->{$item})); |
|
print $outputfile |
|
'"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'. |
|
"\n"; |
|
} |
|
# |
|
# Print out the headings |
|
my $sequence_row = ''; |
|
my $resource_row = undef; |
|
foreach my $field (&get_student_fields_to_show()) { |
|
$sequence_row .='"",'; |
|
$resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",'; |
|
} |
|
foreach my $seq (@sequences) { |
|
$sequence_row .= '"'. |
|
&Apache::loncommon::csv_translate($seq->compTitle).'",'; |
|
my $count = 0; |
|
if ($chosen_output->{'every_problem'}) { |
|
foreach my $res (&get_resources($navmap,$seq)) { |
|
if (scalar(@{$res->parts}) < 1) { |
|
next; |
|
} |
|
foreach my $part (@{$res->parts}) { |
|
$resource_row .= '"'. |
|
&Apache::loncommon::csv_translate |
|
($res->compTitle.', Part '.$res->part_display($part)).'",'; |
|
$count++; |
|
} |
|
} |
|
} |
|
$sequence_row.='"",'x$count; |
|
if ($chosen_output->{'sequence_sum'}) { |
|
if($chosen_output->{'correct'}) { |
|
$resource_row .= '"sum",'; |
|
} else { |
|
$resource_row .= '"score",'; |
|
} |
|
} |
|
if ($chosen_output->{'sequence_max'}) { |
|
$sequence_row.= '"",'; |
|
$resource_row .= '"maximum possible",'; |
|
} |
} |
} |
|
if ($chosen_output->{'grand_total'}) { |
|
$sequence_row.= '"",'; |
|
$resource_row.= '"Total",'; |
|
} |
|
if ($chosen_output->{'grand_maximum'}) { |
|
$sequence_row.= '"",'; |
|
$resource_row.= '"Maximum",'; |
|
} |
|
chomp($sequence_row); |
|
chomp($resource_row); |
|
print $outputfile $sequence_row."\n"; |
|
print $outputfile $resource_row."\n"; |
|
return; |
|
} |
|
|
$notThere .= '</select>'; |
sub csv_outputstudent { |
|
my ($r,$student) = @_; |
|
if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) { |
|
return; |
|
} |
|
my $Str = ''; |
|
# |
|
# Output student fields |
|
my @to_show = &get_student_fields_to_show(); |
|
foreach my $field (@to_show) { |
|
my $value = $student->{$field}; |
|
if ($field eq 'comments') { |
|
$value = &Apache::lonmsgdisplay::retrieve_instructor_comments |
|
($student->{'username'},$student->{'domain'}); |
|
} |
|
$Str .= '"'.&Apache::loncommon::csv_translate($value).'",'; |
|
} |
|
# |
|
# Get student assessment data |
|
my %StudentsData; |
|
my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'}, |
|
$student->{'domain'}, |
|
undef, |
|
$env{'request.course.id'}); |
|
if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) { |
|
%StudentsData = @tmp; |
|
} |
|
# |
|
# Output performance data |
|
my $total = 0; |
|
my $maximum = 0; |
|
foreach my $seq (@sequences) { |
|
my ($performance,$performance_length,$score,$seq_max,$rawdata); |
|
if ($chosen_output->{'tries'}){ |
|
($performance,$performance_length,$score,$seq_max,$rawdata) = |
|
&student_tries_on_sequence($student,\%StudentsData, |
|
$navmap,$seq,'no'); |
|
} else { |
|
($performance,$performance_length,$score,$seq_max,$rawdata) = |
|
&student_performance_on_sequence($student,\%StudentsData, |
|
$navmap,$seq,'no', |
|
$chosen_output->{ignore_weight}); |
|
} |
|
if ($chosen_output->{'every_problem'}) { |
|
if ($chosen_output->{'correct'}) { |
|
$score = 0; |
|
# Deal with number of parts correct data |
|
$Str .= '"'.join('","',( map { if ($_>0) { |
|
$score += 1; |
|
1; |
|
} else { |
|
0; |
|
} |
|
} @$rawdata)).'",'; |
|
} else { |
|
$Str .= '"'.join('","',(@$rawdata)).'",'; |
|
} |
|
} |
|
if ($chosen_output->{'sequence_sum'}) { |
|
$Str .= '"'.$score.'",'; |
|
} |
|
if ($chosen_output->{'sequence_max'}) { |
|
$Str .= '"'.$seq_max.'",'; |
|
} |
|
$total+=$score; |
|
$maximum += $seq_max; |
|
} |
|
if ($chosen_output->{'grand_total'}) { |
|
$Str .= '"'.$total.'",'; |
|
} |
|
if ($chosen_output->{'grand_maximum'}) { |
|
$Str .= '"'.$maximum.'",'; |
|
} |
|
chop($Str); |
|
$Str .= "\n"; |
|
print $outputfile $Str; |
|
# |
|
# Update the progress window |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); |
|
return; |
|
} |
|
|
return $notThere; |
sub csv_finish { |
|
my ($r) = @_; |
|
if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) { |
|
&csv_cleanup(); |
|
return; |
|
} |
|
close($outputfile); |
|
# |
|
# Close the progress window |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
# |
|
# Tell the user where to get their csv file |
|
$r->print('<br />'. |
|
'<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n"); |
|
$r->rflush(); |
|
&csv_cleanup(); |
|
return; |
|
|
} |
} |
|
|
|
} |
|
|
|
# This function will return an HTML string including a star, with |
|
# a mouseover popup showing the "real" value. An optional second |
|
# argument lets you show something other than a star. |
|
sub show_star { |
|
my $popup = shift; |
|
my $symbol = shift || '*'; |
|
# Escape the popup for JS. |
|
$popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge; |
|
|
|
return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>"; |
|
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
=pod |
=pod |
|
|
=item &CreateColumnSelectors() |
=item &StudentTriesOnSequence() |
|
|
This function generates the checkboxes above the column headings. The |
Inputs: |
column will be removed if the checkbox is unchecked. |
|
|
|
=over 4 |
=over 4 |
|
|
Input: $CacheData, $headings |
=item $student |
|
|
$CacheData: A pointer to a hash tied to the cached data |
|
|
|
$headings: An array of the names of the columns for the student |
=item $studentdata Hash ref to all student data |
information. They are used to know what are the student information columns |
|
|
|
Output: $present |
=item $seq Hash ref, the sequence we are working on |
|
|
$present: The string contains the first row of a table. Each column contains |
=item $links if defined we will output links to each resource. |
a checkbox which is left justified. Currently left justification is used |
|
for consistency of location over the column in which it presides. |
|
|
|
=back |
=back |
|
|
=cut |
=cut |
|
|
sub CreateColumnSelectors { |
####################################################### |
my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_; |
####################################################### |
|
sub student_tries_on_sequence { |
my $present = ''; |
my ($student,$studentdata,$navmap,$seq,$links) = @_; |
for(my $index=0; $index<(scalar @$infoHeadings); $index++) { |
$links = 'no' if (! defined($links)); |
$present .= '<td align="left">'; |
my $Str = ''; |
$present .= '<input type="checkbox" checked="on" '; |
my ($sum,$max) = (0,0); |
$present .= 'name="HeadingColumn'.$infoHeadings->[$index].'" />'; |
my $performance_length = 0; |
$present .= '</td>'."\n"; |
my @TriesData = (); |
} |
my $tries; |
|
my $hasdata = 0; # flag - true if the student has any data on the sequence |
for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) { |
foreach my $resource (&get_resources($navmap,$seq)) { |
$present .= '<td align="left">'; |
my $resource_data = $studentdata->{$resource->symb}; |
$present .= '<input type="checkbox" checked="on" '; |
my $value = ''; |
$present .= 'name="SequenceColumn'.$sequenceKeys->[$index].'" />'; |
foreach my $partnum (@{$resource->parts()}) { |
$present .= '</td>'."\n"; |
$tries = undef; |
} |
$max++; |
|
$performance_length++; |
return $present; |
my $symbol = ' '; # default to space |
} |
# |
|
my $awarded = 0; |
#---- END Student Assessment Web Page ---------------------------------------- |
if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) { |
|
$awarded = $resource_data->{'resource.'.$partnum.'.awarded'}; |
#---- Student Assessment Worker Functions ------------------------------------ |
$awarded = 0 if (! $awarded); |
|
} |
sub FindSelectedStudent { |
# |
my($cache, $selectedName, $students)=@_; |
my $status = ''; |
|
if (exists($resource_data->{'resource.'.$partnum.'.solved'})) { |
if($selectedName eq 'All Students' || |
$status = $resource_data->{'resource.'.$partnum.'.solved'}; |
$selectedName eq 'No Student Selected') { |
} |
return $selectedName; |
# |
} |
my $tries = 0; |
|
if(exists($resource_data->{'resource.'.$partnum.'.tries'})) { |
for(my $index=0; $index<(scalar @$students); $index++) { |
$tries = $resource_data->{'resource.'.$partnum.'.tries'}; |
my $fullname = $cache->{$students->[$index].':fullname'}; |
$hasdata =1; |
if($fullname eq $selectedName) { |
} |
if($cache->{'StudentAssessmentMove'} eq 'next') { |
# |
if($index == ((scalar @$students) - 1)) { |
if ($awarded > 0) { |
$selectedName = $students->[0]; |
# The student has gotten the problem correct to some degree |
return $selectedName; |
if ($status eq 'excused') { |
|
$symbol = 'x'; |
|
$max--; |
|
} elsif ($status eq 'correct_by_override' && !$resource->is_task()) { |
|
$symbol = '+'; |
|
$sum++; |
|
} elsif ($tries > 0) { |
|
if ($tries > 9) { |
|
$symbol = show_star($tries); |
|
} else { |
|
$symbol = $tries; |
|
} |
|
$sum++; |
} else { |
} else { |
$selectedName = $students->[$index+1]; |
$symbol = '+'; |
return $selectedName; |
$sum++; |
} |
} |
} elsif($cache->{'StudentAssessmentMove'} eq 'previous') { |
} else { |
if($index == 0) { |
# The student has the problem incorrect or it is ungraded |
$selectedName = $students->[-1]; |
if ($status eq 'excused') { |
return $selectedName; |
$symbol = 'x'; |
|
$max--; |
|
} elsif ($status eq 'incorrect_by_override') { |
|
$symbol = '-'; |
|
} elsif ($status eq 'ungraded_attempted') { |
|
$symbol = 'u'; |
|
} elsif ($status eq 'incorrect_attempted' || |
|
$tries > 0) { |
|
$symbol = '.'; |
} else { |
} else { |
$selectedName = $students->[$index-1]; |
# Problem is wrong and has not been attempted. |
return $selectedName; |
$symbol=' '; |
} |
} |
|
} |
|
# |
|
if (! defined($tries)) { |
|
$tries = 0; |
|
} |
|
if ($status =~ /^(incorrect|ungraded)/) { |
|
# Bug 3390: show '-' for tries on incorrect problems |
|
# (csv & excel only) |
|
push(@TriesData,-$tries); |
} else { |
} else { |
$selectedName = $students->[$index]; |
push (@TriesData,$tries); |
return $selectedName; |
|
} |
} |
last; |
# |
|
if ( ($links eq 'yes' && $symbol ne ' ') || |
|
($links eq 'all')) { |
|
if (length($symbol) > 1) { |
|
&Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1'); |
|
} |
|
my $link = '/adm/grades'. |
|
'?symb='.&escape($resource->symb). |
|
'&student='.$student->{'username'}. |
|
'&userdom='.$student->{'domain'}. |
|
'&command=submission'; |
|
$symbol = &link($symbol, $link); |
|
} |
|
$value .= $symbol; |
} |
} |
|
$Str .= $value; |
} |
} |
|
if ($seq->randompick()) { |
return 'No Student Selected'; |
$max = $seq->randompick(); |
|
} |
|
if (! $hasdata && $sum == 0) { |
|
$sum = ' '; |
|
} |
|
return ($Str,$performance_length,$sum,$max,\@TriesData); |
} |
} |
|
|
=pod |
=pod |
|
|
=item &ShouldShowColumn() |
=item &link |
|
|
Determine if a specified column should be shown on the chart. |
Inputs: |
|
|
=over 4 |
=over 4 |
|
|
Input: $cache, $test |
=item $text |
|
|
$cache: A pointer to the hash tied to the cached data |
=item $target |
|
|
$test: The form name of the column (heading.$headingIndex) or |
=back |
(sequence.$sequenceIndex) |
|
|
|
Output: 0 (false), 1 (true) |
Takes the text and creates a link to the $text that honors |
|
the value of 'new window' if clicked on, but uses a real |
|
'href' so middle and right clicks still work. |
|
|
=back |
$target and $text are assumed to be already correctly escaped; i.e., it |
|
can be dumped out directly into the output stream as-is. |
|
|
=cut |
=cut |
|
|
sub ShouldShowColumns { |
sub link { |
my ($cache,$headings,$cacheKey)=@_; |
my ($text,$target) = @_; |
|
return |
|
"<a href='$target' onclick=\"t=this.href;if(new_window)" |
|
."{window.open(t)}else{return void(window." |
|
."location=t)};return false;\">$text</a>"; |
|
} |
|
|
my @infoKeys=(); |
####################################################### |
my @infoHeadings=(); |
####################################################### |
|
|
my @sequenceKeys=(); |
=pod |
my @sequenceHeadings=(); |
|
|
|
my %doNotShow; |
=item &student_performance_on_sequence |
|
|
my $index; |
Inputs: |
my $count = 0; |
|
my $check = ''; |
|
for($index=0; $index < scalar @$headings; $index++) { |
|
$check = 'HeadingColumn'.$headings->[$index]; |
|
if($cache->{'HeadingsFound'} =~ /$check/) { |
|
push(@infoHeadings, $headings->[$index]); |
|
push(@infoKeys, $cacheKey->[$index]); |
|
} else { |
|
$doNotShow{$count.':name'} = $headings->[$index]; |
|
$doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index]; |
|
$count++; |
|
} |
|
} |
|
|
|
foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) { |
=over 4 |
$check = 'SequenceColumn'.$sequence; |
|
if($cache->{'SequencesFound'} eq 'All Sequences' || |
=item $student |
$cache->{'SequencesFound'} =~ /$check/) { |
|
push(@sequenceHeadings, $cache->{$sequence.':title'}); |
=item $studentdata Hash ref to all student data |
push(@sequenceKeys, $sequence); |
|
} else { |
=item $seq Hash ref, the sequence we are working on |
$doNotShow{$count.':name'} = $cache->{$sequence.':title'}; |
|
$doNotShow{$count.':id'} = 'SequenceColumn'.$sequence; |
=item $links if defined we will output links to each resource. |
$count++; |
|
|
=back |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub student_performance_on_sequence { |
|
my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_; |
|
$links = 'no' if (! defined($links)); |
|
my $Str = ''; # final result string |
|
my ($score,$max) = (0,0); |
|
my $performance_length = 0; |
|
my $symbol; |
|
my @ScoreData = (); |
|
my $partscore; |
|
my $hasdata = 0; # flag, 0 if there were no submissions on the sequence |
|
foreach my $resource (&get_resources($navmap,$seq)) { |
|
my $symb = $resource->symb; |
|
my $resource_data = $studentdata->{$symb}; |
|
foreach my $part (@{$resource->parts()}) { |
|
$partscore = undef; |
|
my $weight; |
|
if (!$awarded_only){ |
|
$weight = &Apache::lonnet::EXT('resource.'.$part.'.weight', |
|
$symb, |
|
$student->{'domain'}, |
|
$student->{'username'}, |
|
$student->{'section'}); |
|
} |
|
if (!defined($weight) || ($weight eq '')) { |
|
$weight=1; |
|
} |
|
# |
|
$max += $weight; # see the 'excused' branch below... |
|
$performance_length++; # one character per part |
|
$symbol = ' '; # default to space |
|
# |
|
my $awarded; |
|
if (exists($resource_data->{'resource.'.$part.'.awarded'})) { |
|
$awarded = $resource_data->{'resource.'.$part.'.awarded'}; |
|
$awarded = 0 if (! $awarded); |
|
$hasdata = 1; |
|
} |
|
# |
|
$partscore = &Apache::grades::compute_points($weight,$awarded); |
|
if (! defined($awarded)) { |
|
$partscore = undef; |
|
} |
|
$score += $partscore; |
|
$symbol = $partscore; |
|
if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) { |
|
$symbol = sprintf("%.0f",$symbol); |
|
} |
|
if (length($symbol) > 1) { |
|
$symbol = show_star($symbol); |
|
} |
|
if (exists($resource_data->{'resource.'.$part.'.solved'}) && |
|
$resource_data->{'resource.'.$part.'.solved'} ne '') { |
|
my $status = $resource_data->{'resource.'.$part.'.solved'}; |
|
if ($status eq 'excused') { |
|
$symbol = 'x'; |
|
$max -= $weight; # Do not count 'excused' problems. |
|
} elsif ($status eq 'ungraded_attempted') { |
|
$symbol = 'u'; |
|
} |
|
$hasdata = 1; |
|
} elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') { |
|
$symbol = 'd'; |
|
$hasdata = 1; |
|
} elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){ |
|
# Unsolved. Did they try? |
|
if (exists($resource_data->{'resource.'.$part.'.tries'})){ |
|
$symbol = '.'; |
|
$hasdata = 1; |
|
} else { |
|
$symbol = ' '; |
|
} |
|
} |
|
# |
|
if (! defined($partscore)) { |
|
$partscore = $symbol; |
|
} |
|
push (@ScoreData,$partscore); |
|
# |
|
if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) { |
|
my $link = '/adm/grades' . |
|
'?symb='.&escape($symb). |
|
'&student='.$student->{'username'}. |
|
'&userdom='.$student->{'domain'}. |
|
'&command=submission'; |
|
$symbol = &link($symbol, $link); |
|
} |
|
$Str .= $symbol; |
} |
} |
} |
} |
|
if (! $hasdata && $score == 0) { |
|
$score = ' '; |
|
} |
|
return ($Str,$performance_length,$score,$max,\@ScoreData); |
|
} |
|
|
$doNotShow{'count'} = $count; |
####################################################### |
|
####################################################### |
|
|
return (\@infoHeadings, \@infoKeys, \@sequenceHeadings, |
=pod |
\@sequenceKeys, \%doNotShow); |
|
|
=item &CreateLegend() |
|
|
|
This function returns a formatted string containing the legend for the |
|
chart. The legend describes the symbols used to represent grades for |
|
problems. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub CreateLegend { |
|
my $Str = "<p><pre>". |
|
" digit score or number of tries to get correct ". |
|
" * correct by student in more than 9 tries\n". |
|
" + correct by hand grading or override\n". |
|
" - incorrect by override\n". |
|
" . incorrect attempted\n". |
|
" u ungraded attempted\n". |
|
" d draft answer saved but not submitted\n". |
|
" not attempted (blank field)\n". |
|
" x excused". |
|
"</pre><p>"; |
|
return $Str; |
} |
} |
|
|
#---- END Student Assessment Worker Functions -------------------------------- |
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
|
1; |
1; |
|
|
__END__ |
__END__ |