--- loncom/homework/grades.pm 2007/09/07 00:07:30 1.439
+++ loncom/homework/grades.pm 2009/05/23 19:01:13 1.575
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
-# $Id: grades.pm,v 1.439 2007/09/07 00:07:30 albertel Exp $
+# $Id: grades.pm,v 1.575 2009/05/23 19:01:13 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,6 +26,8 @@
# http://www.lon-capa.org/
#
+
+
package Apache::grades;
use strict;
use Apache::style;
@@ -35,6 +37,7 @@ use Apache::loncommon;
use Apache::lonhtmlcommon;
use Apache::lonnavmaps;
use Apache::lonhomework;
+use Apache::lonpickcode;
use Apache::loncoursedata;
use Apache::lonmsg();
use Apache::Constants qw(:common);
@@ -46,12 +49,51 @@ use LONCAPA;
use POSIX qw(floor);
+
my %perm=();
-my %bubble_lines_per_response; # no. bubble lines for each response.
- # index is "symb.part_id"
+# These variables are used to recover from ssi errors
+
+my $ssi_retries = 5;
+my $ssi_error;
+my $ssi_error_resource;
+my $ssi_error_message;
+
+
+sub ssi_with_retries {
+ my ($resource, $retries, %form) = @_;
+ my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
+ if ($response->is_error) {
+ $ssi_error = 1;
+ $ssi_error_resource = $resource;
+ $ssi_error_message = $response->code . " " . $response->message;
+ }
+
+ return $content;
+
+}
+#
+# Prodcuces an ssi retry failure error message to the user:
+#
+
+sub ssi_print_error {
+ my ($r) = @_;
+ my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
+ $r->print('
+
+
+'.&mt('Unable to retrieve a resource from a server:').'
+'.&mt('Resource:').' '.$ssi_error_resource.'
+'.&mt('Error:').' '.$ssi_error_message.'
+
'.
+&mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'
'.
+&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
+'
'; } elsif ($response eq 'match') { my %answer=&Apache::lonnet::str2hash($answer); @@ -273,10 +371,10 @@ sub cleanRecord { $bottomrow.=''. - '
'. - ' Answer '.$toprow.''.$grayFont.'Option ID '. + ''. + ' '.&mt('Answer').' '.$toprow.''.' '.$grayFont.&mt('Option ID').' '. $grayFont.$bottomrow.'
'; } elsif ($response eq 'radiobutton') { my %answer=&Apache::lonnet::str2hash($answer); @@ -286,18 +384,18 @@ sub cleanRecord { foreach my $foil (@$order) { if (exists($answer{$foil})) { if ($foil eq $correct) { - $toprow.=''. - '
'. - ' Answer '.$toprow.''.$grayFont.'Item ID '. + ''. + ' '.&mt('Answer').' '.$toprow.''. - ' '.$grayFont.&mt('Item ID').' '. $middlerow.''.$grayFont.'Option ID '. + ''.' '.$grayFont.&mt('Option ID').' '. $bottomrow.'
'; } elsif ($response eq 'essay') { if (! exists ($env{'form.'.$symb})) { @@ -349,7 +447,10 @@ sub cleanRecord { $result.=''; return $result; } - + } elsif ( $response =~ m/(?:numerical|formula)/) { + $answer = + &Apache::loncommon::format_previous_attempt_value('submission', + $answer); } return $answer; } @@ -393,8 +494,10 @@ COMMONJSFUNCTIONS #--- Dumps the class list with usernames,list of sections, #--- section, ids and fullnames for each user. sub getclasslist { - my ($getsec,$filterlist) = @_; + my ($getsec,$filterlist,$getgroup) = @_; my @getsec; + my @getgroup; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); if (!ref($getsec)) { if ($getsec ne '' && $getsec ne 'all') { @getsec=($getsec); @@ -403,10 +506,19 @@ sub getclasslist { @getsec=@{$getsec}; } if (grep(/^all$/,@getsec)) { undef(@getsec); } + if (!ref($getgroup)) { + if ($getgroup ne '' && $getgroup ne 'all') { + @getgroup=($getgroup); + } + } else { + @getgroup=@{$getgroup}; + } + if (grep(/^all$/,@getgroup)) { undef(@getgroup); } - my $classlist=&Apache::loncoursedata::get_classlist(); + my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); # Bail out if we were unable to get the classlist return if (! defined($classlist)); + &Apache::loncoursedata::get_group_memberships($classlist,$keylist); # my %sections; my %fullnames; @@ -423,18 +535,40 @@ sub getclasslist { $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()]; my $status = $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()]; + my $group = + $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()]; # filter students according to status selected - if ($filterlist && $env{'form.Status'} ne 'Any') { - if ($env{'form.Status'} ne $status) { - delete ($classlist->{$student}); + if ($filterlist && (!($stu_status =~ /Any/))) { + if (!($stu_status =~ $status)) { + delete($classlist->{$student}); next; } } + # filter students according to groups selected + my @stu_groups = split(/,/,$group); + if (@getgroup) { + my $exclude = 1; + foreach my $grp (@getgroup) { + foreach my $stu_group (@stu_groups) { + if ($stu_group eq $grp) { + $exclude = 0; + } + } + if (($grp eq 'none') && !$group) { + $exclude = 0; + } + } + if ($exclude) { + delete($classlist->{$student}); + } + } $section = ($section ne '' ? $section : 'none'); if (&canview($section)) { if (!@getsec || grep(/^\Q$section\E$/,@getsec)) { $sections{$section}++; - $fullnames{$student}=$fullname; + if ($classlist->{$student}) { + $fullnames{$student}=$fullname; + } } else { delete($classlist->{$student}); } @@ -507,6 +641,7 @@ sub student_gradeStatus { # Shows a student's view of problem and submission sub jscriptNform { my ($symb) = @_; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); my $jscript=' - -UPLOAD +'); - $r->print(<'. - '
'. - ' Answer '.$toprow.''.$grayFont.'Option ID '. + ''. + ' '.&mt('Answer').' '.$toprow.''.' '.$grayFont.&mt('Option ID').' '. $grayFont.$bottomrow.'