--- loncom/homework/grades.pm 2008/03/24 19:08:09 1.513.2.1
+++ loncom/homework/grades.pm 2008/05/24 00:34:12 1.522
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
-# $Id: grades.pm,v 1.513.2.1 2008/03/24 19:08:09 raeburn Exp $
+# $Id: grades.pm,v 1.522 2008/05/24 00:34:12 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -73,7 +73,7 @@ my $ssi_error_message;
# the number of times requested by the caller.
# If we still have a proble, no text is appended to the
# output and we set some global variables.
-# to indicate to the caller an SSI error occured.
+# to indicate to the caller an SSI error occurred.
# All of this is supposed to deal with the issues described
# in LonCAPA BZ 5631 see:
# http://bugs.lon-capa.org/show_bug.cgi?id=5631
@@ -89,13 +89,13 @@ my $ssi_error_message;
# On success, returns the rendered resource identified by the resource parameter.
# Side Effects:
# The following global variables can be set:
-# ssi_error - If an unrecoverable error occured this becomes true.
+# ssi_error - If an unrecoverable error occurred this becomes true.
# It is up to the caller to initialize this to false
# if desired.
-# ssi_last_error_resource - If an unrecoverable error occured, this is the value
+# ssi_error_resource - If an unrecoverable error occurred, this is the value
# of the resource that could not be rendered by the ssi
# call.
-# ssi_last_error - The error string fetched from the ssi response
+# ssi_error_message - The error string fetched from the ssi response
# in the event of an error.
#
sub ssi_with_retries {
@@ -116,11 +116,20 @@ sub ssi_with_retries {
sub ssi_print_error {
my ($r) = @_;
- $r->print('<h2>Unrecoverable network error</h2>');
- $r->print('<p>Unable to perform a resource fetch from a server: <br />');
- $r->print("Resource: $ssi_error_resource <br />");
- $r->print("Error: $ssi_error_message <br /> Try again later.");
- $r->print('If errors persist, contact LonCAPA support for assistance</p>');
+ my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
+ $r->print('
+<br />
+<h2>'.&mt('An unrecoverable network error occurred:').'</h2>
+<p>
+'.&mt('Unable to retrieve a resource from a server:').'<br />
+'.&mt('Resource:').' '.$ssi_error_resource.'<br />
+'.&mt('Error:').' '.$ssi_error_message.'
+</p>
+<p>'.
+&mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.
+&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
+'</p>');
+ return;
}
#
@@ -276,12 +285,12 @@ sub reset_caches {
my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
$url=&Apache::lonnet::clutter($url);
my $subresult=&ssi_with_retries($url, $ssi_retries,
- ('grade_target' => 'analyze'),
- ('grade_domain' => $udom),
- ('grade_symb' => $symb),
- ('grade_courseid' =>
- $env{'request.course.id'}),
- ('grade_username' => $uname));
+ ('grade_target' => 'analyze',
+ 'grade_domain' => $udom,
+ 'grade_symb' => $symb,
+ 'grade_courseid' =>
+ $env{'request.course.id'},
+ 'grade_username' => $uname));
(undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
my %analyze=&Apache::lonnet::str2hash($subresult);
return $analyze_cache{$key} = \%analyze;
@@ -1833,9 +1842,9 @@ sub download_all_link {
join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
my $identifier = &Apache::loncommon::get_cgi_id();
- &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students,
- 'cgi.'.$identifier.'.symb' => $symb,
- 'cgi.'.$identifier.'.parts' => $parts,);
+ &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students,
+ 'cgi.'.$identifier.'.symb' => $symb,
+ 'cgi.'.$identifier.'.parts' => $parts,});
$r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
&mt('Download All Submitted Documents').'</a>');
return
@@ -2759,7 +2768,7 @@ sub check_and_remove_from_queue {
sub handback_files {
my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
- my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio';
+ my $portfolio_root = '/userfiles/portfolio';
my ($partlist,$handgrade,$responseType) = &response_type($symb);
my @part_response_id = &flatten_responseType($responseType);
@@ -2777,7 +2786,8 @@ sub handback_files {
my ($answer_name,$answer_ver,$answer_ext) =
&file_name_version_ext($answer_file);
my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
- my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root);
+ my $getpropath = 1;
+ my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,$domain,$stuname,$getpropath);
my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
# fix file name
my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
@@ -2913,8 +2923,7 @@ sub version_portfiles {
my $version_parts = join('|',@$v_flag);
my @returned_keys;
my $parts = join('|', @$parts_graded);
- my $portfolio_root = &propath($domain,$stu_name).
- '/userfiles/portfolio';
+ my $portfolio_root = '/userfiles/portfolio';
foreach my $key (keys(%$record)) {
my $new_portfiles;
if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
@@ -2925,7 +2934,8 @@ sub version_portfiles {
my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
my ($answer_name,$answer_ver,$answer_ext) =
&file_name_version_ext($answer_file);
- my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root);
+ my $getpropath = 1;
+ my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,$stu_name,$getpropath);
my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
if ($new_answer ne 'problem getting file') {
@@ -4825,8 +4835,9 @@ sub get_response_bubbles {
sub scantron_filenames {
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
+ my $getpropath = 1;
my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
- &propath($cdom,$cname));
+ $getpropath);
my @possiblenames;
foreach my $filename (sort(@files)) {
($filename)=split(/&/,$filename);
@@ -4869,19 +4880,76 @@ sub scantron_uploads {
=cut
sub scantron_scantab {
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
my $result='<select name="scantron_format">'."\n";
$result.='<option></option>'."\n";
- foreach my $line (<$fh>) {
- my ($name,$descrip)=split(/:/,$line);
- if ($name =~ /^\#/) { next; }
- $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+ my @lines = &get_scantronformat_file();
+ if (@lines > 0) {
+ foreach my $line (@lines) {
+ next if (($line =~ /^\#/) || ($line eq ''));
+ my ($name,$descrip)=split(/:/,$line);
+ $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+ }
}
$result.='</select>'."\n";
-
return $result;
}
+=pod
+
+=item get_scantronformat_file
+
+ Returns an array containing lines from the scantron format file for
+ the domain of the course.
+
+ If a url for a custom.tab file is listed in domain's configuration.db,
+ lines are from this file.
+
+ Otherwise, if a default.tab has been published in RES space by the
+ domainconfig user, lines are from this file.
+
+ Otherwise, fall back to getting lines from the legacy file on the
+ local server: /home/httpd/lonTabs/default_scantronformat.tab
+
+=cut
+
+sub get_scantronformat_file {
+ my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my %domconfig = &Apache::lonnet::get_dom('configuration',['scantron'],$cdom);
+ my $gottab = 0;
+ my @lines;
+ if (ref($domconfig{'scantron'}) eq 'HASH') {
+ if ($domconfig{'scantron'}{'scantronformat'} ne '') {
+ my $formatfile = &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
+ if ($formatfile ne '-1') {
+ @lines = split("\n",$formatfile,-1);
+ $gottab = 1;
+ }
+ }
+ }
+ if (!$gottab) {
+ my $confname = $cdom.'-domainconfig';
+ my $default = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
+ my $formatfile = &Apache::lonnet::getfile($default);
+ if ($formatfile ne '-1') {
+ @lines = split("\n",$formatfile,-1);
+ $gottab = 1;
+ }
+ }
+ if (!$gottab) {
+ my @domains = &Apache::lonnet::current_machine_domains();
+ if (grep(/^\Q$cdom\E$/,@domains)) {
+ my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+ @lines = <$fh>;
+ close($fh);
+ } else {
+ my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/default_scantronformat.tab');
+ @lines = <$fh>;
+ close($fh);
+ }
+ }
+ return @lines;
+}
+
=pod
=item scantron_CODElist
@@ -5140,10 +5208,10 @@ sub scantron_selectphase {
sub get_scantron_config {
my ($which) = @_;
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+ my @lines = &get_scantronformat_file();
my %config;
#FIXME probably should move to XML it has already gotten a bit much now
- foreach my $line (<$fh>) {
+ foreach my $line (@lines) {
my ($name,$descrip)=split(/:/,$line);
if ($name ne $which ) { next; }
chomp($line);
@@ -7247,11 +7315,11 @@ sub scantron_get_maxbubble {
}
}
my $result=&ssi_with_retries($resource->src(), $ssi_retries,
- ('symb' => $symb),
- ('grade_target' => 'analyze'),
- ('grade_courseid' => $cid),
- ('grade_domain' => $udom),
- ('grade_username' => $uname));
+ ('symb' => $symb,
+ 'grade_target' => 'analyze',
+ 'grade_courseid' => $cid,
+ 'grade_domain' => $udom,
+ 'grade_username' => $uname));
my (undef, $an) =
split(/_HASH_REF__/,$result, 2);
@@ -7451,6 +7519,7 @@ SCANTRONFORM
my @delayqueue;
my %completedstudents;
+ my $lock=&Apache::lonnet::set_lock(&mt('Grading bubblesheet exam'));
my $count=&get_todo_count($scanlines,$scan_data);
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
'Scantron Progress',$count,
@@ -7471,6 +7540,7 @@ SCANTRONFORM
$r->print("</form>");
&ssi_print_error($r);
$r->print(&show_grading_menu_form($symb));
+ &Apache::lonnet::remove_lock($lock);
return ''; # Dunno why the other returns return '' rather than just returning.
}
@@ -7500,7 +7570,7 @@ SCANTRONFORM
($uname,$udom)=split(/:/,$uname);
&Apache::lonxml::clear_problem_counter();
- &Apache::lonnet::appenv(%$scan_record);
+ &Apache::lonnet::appenv($scan_record);
if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
&scantron_putfile($scanlines,$scan_data);
@@ -7528,6 +7598,7 @@ SCANTRONFORM
$r->print("</form>");
&ssi_print_error($r);
$r->print(&show_grading_menu_form($symb));
+ &Apache::lonnet::remove_lock($lock);
return ''; # Why return ''? Beats me.
}
@@ -7540,6 +7611,7 @@ SCANTRONFORM
&Apache::lonnet::delenv('scantron\.');
}
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ &Apache::lonnet::remove_lock($lock);
# my $lasttime = &Time::HiRes::time()-$start;
# $r->print("<p>took $lasttime</p>");
@@ -8154,7 +8226,7 @@ sub process_clicker {
if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; }
my %checked;
- foreach my $gradingmechanism ('attendance','personnel','specific') {
+ foreach my $gradingmechanism ('attendance','personnel','specific','given') {
if ($env{'form.gradingmechanism'} eq $gradingmechanism) {
$checked{$gradingmechanism}="checked='checked'";
}
@@ -8165,6 +8237,8 @@ sub process_clicker {
my $attendance=&mt("Award points just for participation");
my $personnel=&mt("Correctness determined from response by course personnel");
my $specific=&mt("Correctness determined from response with clicker ID(s)");
+ my $given=&mt("Correctness determined from given list of answers").' '.
+ '<font size="-2"><tt>('.&mt("Provide comma-separated list. Use '*' for any answer correct, '-' for skip").')</tt></font>';
my $pcorrect=&mt("Percentage points for correct solution");
my $pincorrect=&mt("Percentage points for incorrect solution");
my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
@@ -8222,6 +8296,9 @@ function sanitycheck() {
<br /><label><input type="radio" name="gradingmechanism" value="personnel" $checked{'personnel'} onClick="sanitycheck()" />$personnel</label>
<br /><label><input type="radio" name="gradingmechanism" value="specific" $checked{'specific'} onClick="sanitycheck()" />$specific </label>
<input type="text" name="specificid" value="$env{'form.specificid'}" size="20" />
+<br /><label><input type="radio" name="gradingmechanism" value="given" $checked{'given'} onClick="sanitycheck()" />$given </label>
+<br />
+<input type="text" name="givenanswer" size="50" />
<input type="hidden" name="waschecked" value="$env{'form.gradingmechanism'}" />
<br /><label>$pcorrect: <input type="text" name="pcorrect" size="4" value="$env{'form.pcorrect'}" onChange="sanitycheck()" /></label>
<br /><label>$pincorrect: <input type="text" name="pincorrect" size="4" value="$env{'form.pincorrect'}" onChange="sanitycheck()" /></label>
@@ -8248,6 +8325,19 @@ sub process_clicker_file {
$result.='<span class="LC_error">'.&mt('You need to specify a clicker ID for the correct answer').'</span>';
return $result.&show_grading_menu_form($symb);
}
+ if (($env{'form.gradingmechanism'} eq 'given') && ($env{'form.givenanswer'}!~/\S/)) {
+ $result.='<span class="LC_error">'.&mt('You need to specify the correct answer').'</span>';
+ return $result.&show_grading_menu_form($symb);
+ }
+ my $foundgiven=0;
+ if ($env{'form.gradingmechanism'} eq 'given') {
+ $env{'form.givenanswer'}=~s/^\s*//gs;
+ $env{'form.givenanswer'}=~s/\s*$//gs;
+ $env{'form.givenanswer'}=~s/[^a-zA-Z0-9\.\*\-]+/\,/g;
+ $env{'form.givenanswer'}=uc($env{'form.givenanswer'});
+ my @answers=split(/\,/,$env{'form.givenanswer'});
+ $foundgiven=$#answers+1;
+ }
my %clicker_ids=&gather_clicker_ids();
my %correct_ids;
if ($env{'form.gradingmechanism'} eq 'personnel') {
@@ -8266,6 +8356,8 @@ sub process_clicker_file {
}
if ($env{'form.gradingmechanism'} eq 'attendance') {
$result.=&mt('Score based on attendance only');
+ } elsif ($env{'form.gradingmechanism'} eq 'given') {
+ $result.=&mt('Score based on [_1] ([_2] answers)','<tt>'.$env{'form.givenanswer'}.'</tt>',$foundgiven);
} else {
my $number=0;
$result.='<p><b>'.&mt('Correctness determined by the following IDs').'</b>';
@@ -8311,6 +8403,9 @@ sub process_clicker_file {
<input type="hidden" name="pcorrect" value="$env{'form.pcorrect'}" />
<input type="hidden" name="pincorrect" value="$env{'form.pincorrect'}" />
ENDHEADER
+ if ($env{'form.gradingmechanism'} eq 'given') {
+ $result.='<input type="hidden" name="correct:given" value="'.$env{'form.givenanswer'}.'" />';
+ }
my %responses;
my @questiontitles;
my $errormsg='';
@@ -8326,6 +8421,10 @@ ENDHEADER
&mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
$env{'form.pcorrect'},$env{'form.pincorrect'}).
'<br />';
+ if (($env{'form.gradingmechanism'} eq 'given') && ($number!=$foundgiven)) {
+ $result.='<span class="LC_error">'.&mt('Number of given answers does not agree with number of questions in file.').'</span>';
+ return $result.&show_grading_menu_form($symb);
+ }
# Remember Question Titles
# FIXME: Possibly need delimiter other than ":"
for (my $i=0;$i<$number;$i++) {
@@ -8369,7 +8468,7 @@ ENDHEADER
}
$result.='<hr />'.
&mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count);
- if ($env{'form.gradingmechanism'} ne 'attendance') {
+ if (($env{'form.gradingmechanism'} ne 'attendance') && ($env{'form.gradingmechanism'} ne 'given')) {
if ($correct_count==0) {
$errormsg.="Found no correct answers answers for grading!";
} elsif ($correct_count>1) {
@@ -8514,10 +8613,15 @@ ENDHEADER
if ($user) {
my @answer=split(/\,/,$env{$key});
my $sum=0;
+ my $realnumber=$number;
for (my $i=0;$i<$number;$i++) {
if ($answer[$i]) {
if ($gradingmechanism eq 'attendance') {
$sum+=$pcorrect;
+ } elsif ($answer[$i] eq '*') {
+ $sum+=$pcorrect;
+ } elsif ($answer[$i] eq '-') {
+ $realnumber--;
} else {
if ($answer[$i] eq $correct[$i]) {
$sum+=$pcorrect;
@@ -8527,7 +8631,7 @@ ENDHEADER
}
}
}
- my $ave=$sum/(100*$number);
+ my $ave=$sum/(100*$realnumber);
# Store
my ($username,$domain)=split(/\:/,$user);
my %grades=();