--- loncom/homework/grades.pm 2012/01/02 22:09:25 1.670
+++ loncom/homework/grades.pm 2012/05/13 01:15:30 1.673
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
-# $Id: grades.pm,v 1.670 2012/01/02 22:09:25 raeburn Exp $
+# $Id: grades.pm,v 1.673 2012/05/13 01:15:30 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -1827,14 +1827,27 @@ sub show_problem {
$companswer=~s|</form>||g;
$companswer=~s|name="submit"|name="would_have_been_submit"|g;
}
+ my $renderheading = &mt('View of the problem');
+ my $answerheading = &mt('Correct answer');
+ if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+ my $stu_fullname = $env{'form.fullname'};
+ if ($stu_fullname eq '') {
+ $stu_fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+ }
+ my $forwhom = &nameUserString(undef,$stu_fullname,$uname,$udom);
+ if ($forwhom ne '') {
+ $renderheading = &mt('View of the problem for[_1]',$forwhom);
+ $answerheading = &mt('Correct answer for[_1]',$forwhom);
+ }
+ }
$rendered=
'<div class="LC_Box">'
- .'<h3 class="LC_hcell">'.&mt('View of the problem').'</h3>'
+ .'<h3 class="LC_hcell">'.$renderheading.'</h3>'
.$rendered
.'</div>';
$companswer=
'<div class="LC_Box">'
- .'<h3 class="LC_hcell">'.&mt('Correct answer').'</h3>'
+ .'<h3 class="LC_hcell">'.$answerheading.'</h3>'
.$companswer
.'</div>';
my $result;
@@ -2506,6 +2519,183 @@ sub keywords_highlight {
return $string;
}
+# For Tasks provide a mechanism to display previous version for one specific student
+
+sub show_previous_task_version {
+ my ($request,$symb) = @_;
+ if ($symb eq '') {
+ $request->print("Unable to handle ambiguous references.");
+
+ return '';
+ }
+ my ($uname,$udom) = ($env{'form.student'},$env{'form.userdom'});
+ my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
+ if (!&canview($usec)) {
+ $request->print('<span class="LC_warning">Unable to view previous version for requested student.('.
+ $uname.':'.$udom.' in section '.$usec.' in course id '.
+ $env{'request.course.id'}.')</span>');
+ return;
+ }
+ my $mode = 'both';
+ my $isTask = ($symb =~/\.task$/);
+ if ($isTask) {
+ if ($env{'form.previousversion'} =~ /^\d+$/) {
+ if ($env{'form.fullname'} eq '') {
+ $env{'form.fullname'} =
+ &Apache::loncommon::plainname($uname,$udom,'lastname');
+ }
+ my $probtitle=&Apache::lonnet::gettitle($symb);
+ $request->print("\n\n".
+ '<div class="LC_grade_show_user">'.
+ '<h2>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
+ '</h2>'."\n");
+ &Apache::lonxml::clear_problem_counter();
+ $request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,
+ {'previousversion' => $env{'form.previousversion'} }));
+ $request->print("\n</div>");
+ }
+ }
+ return;
+}
+
+sub choose_task_version_form {
+ my ($symb,$uname,$udom,$nomenu) = @_;
+ my $isTask = ($symb =~/\.task$/);
+ my ($current,$version,$result,$js,$displayed,$rowtitle);
+ if ($isTask) {
+ my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+ $udom,$uname);
+ if (($record{'resource.0.version'} eq '') ||
+ ($record{'resource.0.version'} < 2)) {
+ return ($record{'resource.0.version'},
+ $record{'resource.0.version'},$result,$js);
+ } else {
+ $current = $record{'resource.0.version'};
+ }
+ if ($env{'form.previousversion'}) {
+ $displayed = $env{'form.previousversion'};
+ $rowtitle = &mt('Choose another version:')
+ } else {
+ $displayed = $current;
+ $rowtitle = &mt('Show earlier version:');
+ }
+ $result = '<div class="LC_left_float">';
+ my $list;
+ my $numversions = 0;
+ for (my $i=1; $i<=$record{'resource.0.version'}; $i++) {
+ if ($i == $current) {
+ if (!$env{'form.previousversion'} || $nomenu) {
+ next;
+ } else {
+ $list .= '<option value="'.$i.'">'.&mt('Current').'</option>'."\n";
+ $numversions ++;
+ }
+ } elsif (defined($record{'resource.'.$i.'.0.status'})) {
+ unless ($i == $env{'form.previousversion'}) {
+ $numversions ++;
+ }
+ $list .= '<option value="'.$i.'">'.$i.'</option>'."\n";
+ }
+ }
+ if ($numversions) {
+ $symb = &HTML::Entities::encode($symb,'<>"&');
+ $result .=
+ '<form name="getprev" method="post" action=""'.
+ ' onsubmit="return previousVersion('."'$uname','$udom','$symb','$displayed'".');">'.
+ &Apache::loncommon::start_data_table().
+ &Apache::loncommon::start_data_table_row().
+ '<th align="left">'.$rowtitle.'</th>'.
+ '<td><select name="version">'.
+ '<option>'.&mt('Select').'</option>'.
+ $list.
+ '</select></td>'.
+ &Apache::loncommon::end_data_table_row();
+ unless ($nomenu) {
+ $result .= &Apache::loncommon::start_data_table_row().
+ '<th align="left">'.&mt('Open in new window').'</th>'.
+ '<td><span class="LC_nobreak">'.
+ '<label><input type="radio" name="prevwin" value="1" />'.
+ &mt('Yes').'</label>'.
+ '<label><input type="radio" name="prevwin" value="0" checked="checked" />'.&mt('No').'</label>'.
+ '</span></td>'.
+ &Apache::loncommon::end_data_table_row();
+ }
+ $result .=
+ &Apache::loncommon::start_data_table_row().
+ '<th align="left"> </th>'.
+ '<td>'.
+ '<input type="submit" name="prevsub" value="'.&mt('Display').'" />'.
+ '</td>'.
+ &Apache::loncommon::end_data_table_row().
+ &Apache::loncommon::end_data_table().
+ '</form>';
+ $js = &previous_display_javascript($nomenu,$current);
+ } elsif ($displayed && $nomenu) {
+ $result .= '<a href="javascript:window.close()">'.&mt('Close window').'</a>';
+ } else {
+ $result .= &mt('No previous versions to show for this student');
+ }
+ $result .= '</div>';
+ }
+ return ($current,$displayed,$result,$js);
+}
+
+sub previous_display_javascript {
+ my ($nomenu,$current) = @_;
+ my $js = <<"JSONE";
+<script type="text/javascript">
+// <![CDATA[
+function previousVersion(uname,udom,symb) {
+ var current = '$current';
+ var version = document.getprev.version.options[document.getprev.version.selectedIndex].value;
+ var prevstr = new RegExp("^\\\\d+\$");
+ if (!prevstr.test(version)) {
+ return false;
+ }
+ var url = '';
+ if (version == current) {
+ url = '/adm/grades?student='+uname+'&userdom='+udom+'&symb='+symb+'&command=submission';
+ } else {
+ url = '/adm/grades?student='+uname+'&userdom='+udom+'&symb='+symb+'&command=versionsub&previousversion='+version;
+ }
+JSONE
+ if ($nomenu) {
+ $js .= <<"JSTWO";
+ document.location.href = url;
+JSTWO
+ } else {
+ $js .= <<"JSTHREE";
+ var newwin = 0;
+ for (var i=0; i<document.getprev.prevwin.length; i++) {
+ if (document.getprev.prevwin[i].checked == true) {
+ newwin = document.getprev.prevwin[i].value;
+ }
+ }
+ if (newwin == 1) {
+ var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
+ url = url+'&inhibitmenu=yes';
+ if (typeof(previousWin) == 'undefined' || previousWin.closed) {
+ previousWin = window.open(url,'',options,1);
+ } else {
+ previousWin.location.href = url;
+ }
+ previousWin.focus();
+ return false;
+ } else {
+ document.location.href = url;
+ return false;
+ }
+JSTHREE
+ }
+ $js .= <<"ENDJS";
+ return false;
+}
+// ]]>
+</script>
+ENDJS
+
+}
+
#--- Called from submission routine
sub processHandGrade {
my ($request,$symb) = @_;
@@ -4538,6 +4728,7 @@ sub displaySubByDates {
&Apache::loncommon::start_data_table_header_row().
'<th>'.&mt('Date/Time').'</th>'.
($isCODE?'<th>'.&mt('CODE').'</th>':'').
+ ($isTask?'<th>'.&mt('Version').'</th>':'').
'<th>'.&mt('Submission').'</th>'.
'<th>'.&mt('Status').'</th>'.
&Apache::loncommon::end_data_table_header_row();
@@ -4558,7 +4749,9 @@ sub displaySubByDates {
if (exists($$record{$version.':resource.0.version'})) {
$interaction = $$record{$version.':resource.0.version'};
}
-
+ if ($isTask && $env{'form.previousversion'}) {
+ next unless ($interaction == $env{'form.previousversion'});
+ }
my $where = ($isTask ? "$version:resource.$interaction"
: "$version:resource");
$studentTable.=&Apache::loncommon::start_data_table_row().
@@ -4566,6 +4759,9 @@ sub displaySubByDates {
if ($isCODE) {
$studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
}
+ if ($isTask) {
+ $studentTable.='<td>'.$interaction.'</td>';
+ }
my @versionKeys = split(/\:/,$$record{$version.':keys'});
my @displaySub = ();
foreach my $partid (@{$parts}) {
@@ -5410,6 +5606,7 @@ sub scantron_selectphase {
LastNameLength - number of columns that the last name spans
BubblesPerRow - number of bubbles available in each row used to
bubble an answer. (If not specified, 10 assumed).
+
=cut
sub get_scantron_config {
@@ -7516,7 +7713,8 @@ sub scantron_get_maxbubble {
my $response_number = 0;
my $bubble_line = 0;
foreach my $resource (@resources) {
- my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,$udom,undef,$bubbles_per_row);
+ my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,
+ $udom,undef,$bubbles_per_row);
if ((ref($analysis) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
foreach my $part_id (@{$parts}) {
my $lines;
@@ -7721,7 +7919,8 @@ sub scantron_process_students {
}
my ($analysis,$parts) =
&scantron_partids_tograde($resource,$env{'request.course.id'},
- $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
+ $env{'user.name'},$env{'user.domain'},
+ 1,$bubbles_per_row);
$grader_partids_by_symb{$ressymb} = $parts;
if (ref($analysis) eq 'HASH') {
if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
@@ -7811,7 +8010,8 @@ SCANTRONFORM
if ((exists($grader_randomlists_by_symb{$ressymb})) ||
(ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
my ($analysis,$parts) =
- &scantron_partids_tograde($resource,$env{'request.course.id'},$uname,$udom,undef,$bubbles_per_row);
+ &scantron_partids_tograde($resource,$env{'request.course.id'},
+ $uname,$udom,undef,$bubbles_per_row);
$partids_by_symb{$ressymb} = $parts;
} else {
$partids_by_symb{$ressymb} = $grader_partids_by_symb{$ressymb};
@@ -7940,7 +8140,8 @@ sub graders_resources_pass {
my $ressymb = $resource->symb();
my ($analysis,$parts) =
&scantron_partids_tograde($resource,$env{'request.course.id'},
- $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
+ $env{'user.name'},$env{'user.domain'},
+ 1,$bubbles_per_row);
$grader_partids_by_symb->{$ressymb} = $parts;
if (ref($analysis) eq 'HASH') {
if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
@@ -8261,7 +8462,8 @@ sub checkscantron_results {
my $map=$navmap->getResourceByUrl($sequence);
my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
my (%grader_partids_by_symb,%grader_randomlists_by_symb);
- &graders_resources_pass(\@resources,\%grader_partids_by_symb, \%grader_randomlists_by_symb);
+ &graders_resources_pass(\@resources,\%grader_partids_by_symb,
+ \%grader_randomlists_by_symb,$bubbles_per_row);
my ($uname,$udom);
my (%scandata,%lastname,%bylast);
@@ -8323,7 +8525,9 @@ sub checkscantron_results {
if ((exists($grader_randomlists_by_symb{$ressymb})) ||
(ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
(my $analysis,$parts) =
- &scantron_partids_tograde($resource,$env{'request.course.id'},$username,$domain,undef,$bubbles_per_row);
+ &scantron_partids_tograde($resource,$env{'request.course.id'},
+ $username,$domain,undef,
+ $bubbles_per_row);
} else {
$parts = $grader_partids_by_symb{$ressymb};
}
@@ -9380,13 +9584,17 @@ sub navmap_errormsg {
}
sub startpage {
- my ($r,$symb,$crumbs,$onlyfolderflag,$nodisplayflag) = @_;
- unshift(@$crumbs,{href=>&href_symb_cmd($symb,'gradingmenu'),text=>"Grading"});
- $r->print(&Apache::loncommon::start_page('Grading',undef,
- {'bread_crumbs' => $crumbs}));
- &Apache::lonquickgrades::startGradeScreen($r,($env{'form.symb'}?'probgrading':'grading'));
+ my ($r,$symb,$crumbs,$onlyfolderflag,$nodisplayflag,$stuvcurrent,$stuvdisp,$nomenu,$js) = @_;
+ if ($nomenu) {
+ $r->print(&Apache::loncommon::start_page("Student's Version",$js,{'only_body' => '1'}));
+ } else {
+ unshift(@$crumbs,{href=>&href_symb_cmd($symb,'gradingmenu'),text=>"Grading"});
+ $r->print(&Apache::loncommon::start_page('Grading',$js,
+ {'bread_crumbs' => $crumbs}));
+ &Apache::lonquickgrades::startGradeScreen($r,($env{'form.symb'}?'probgrading':'grading'));
+ }
unless ($nodisplayflag) {
- $r->print(&Apache::lonhtmlcommon::resource_info_box($symb,$onlyfolderflag));
+ $r->print(&Apache::lonhtmlcommon::resource_info_box($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp));
}
}
@@ -9449,8 +9657,29 @@ sub handler {
&select_problem($request);
} else {
if ($command eq 'submission' && $perm{'vgr'}) {
- &startpage($request,$symb,[{href=>"", text=>"Student Submissions"}]);
+ my ($stuvcurrent,$stuvdisp,$versionform,$js);
+ if (($env{'form.student'} ne '') && ($env{'form.userdom'} ne '')) {
+ ($stuvcurrent,$stuvdisp,$versionform,$js) =
+ &choose_task_version_form($symb,$env{'form.student'},
+ $env{'form.userdom'});
+ }
+ &startpage($request,$symb,[{href=>"", text=>"Student Submissions"}],undef,undef,$stuvcurrent,$stuvdisp,undef,$js);
+ if ($versionform) {
+ $request->print($versionform);
+ }
+ $request->print('<br clear="all" />');
($env{'form.student'} eq '' ? &listStudents($request,$symb) : &submission($request,0,0,$symb));
+ } elsif ($command eq 'versionsub' && $perm{'vgr'}) {
+ my ($stuvcurrent,$stuvdisp,$versionform,$js) =
+ &choose_task_version_form($symb,$env{'form.student'},
+ $env{'form.userdom'},
+ $env{'form.inhibitmenu'});
+ &startpage($request,$symb,[{href=>"", text=>"Previous Student Version"}],undef,undef,$stuvcurrent,$stuvdisp,$env{'form.inhibitmenu'},$js);
+ if ($versionform) {
+ $request->print($versionform);
+ }
+ $request->print('<br clear="all" />');
+ $request->print(&show_previous_task_version($request,$symb));
} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
&startpage($request,$symb,[{href=>&href_symb_cmd($symb,'all_for_one'),text=>'Grade page/folder for one student'},
{href=>'',text=>'Select student'}],1,1);
@@ -9588,7 +9817,11 @@ sub handler {
if ($ssi_error) {
&ssi_print_error($request);
}
- &Apache::lonquickgrades::endGradeScreen($request);
+ if ($env{'form.inhibitmenu'}) {
+ $request->print(&Apache::loncommon::end_page());
+ } else {
+ &Apache::lonquickgrades::endGradeScreen($request);
+ }
&reset_caches();
return OK;
}
@@ -9659,6 +9892,75 @@ ssi_with_retries()
=over
+=head1 Routines to display previous version of a Task for a specific student
+
+Tasks are graded pass/fail. Students who have yet to pass a particular Task
+can receive another opportunity. Access to tasks is slot-based. If a slot
+requires a proctor to check-in the student, a new version of the Task will
+be created when the student is checked in to the new opportunity.
+
+If a particular student has tried two or more versions of a particular task,
+the submission screen provides a user with vgr privileges (e.g., a Course
+Coordinator) the ability to display a previous version worked on by the
+student. By default, the current version is displayed. If a previous version
+has been selected for display, submission data are only shown that pertain
+to that particular version, and the interface to submit grades is not shown.
+
+=over 4
+
+=item show_previous_task_version()
+
+Displays a specified version of a student's Task, as the student sees it.
+
+Inputs: 2
+ request - request object
+ symb - unique symb for current instance of resource
+
+Output: None.
+
+Side Effects: calls &show_problem() to print version of Task, with
+ version contained in form item: $env{'form.previousversion'}
+
+=item choose_task_version_form()
+
+Displays a web form used to select which version of a student's view of a
+Task should be displayed. Either launches a pop-up window, or replaces
+content in existing pop-up, or replaces page in main window.
+
+Inputs: 4
+ symb - unique symb for current instance of resource
+ uname - username of student
+ udom - domain of student
+ nomenu - 1 if display is in a pop-up window, and hence no menu
+ breadcrumbs etc., are displayed
+
+Output: 4
+ current - student's current version
+ displayed - student's version being displayed
+ result - scalar containing HTML for web form used to switch to
+ a different version (or a link to close window, if pop-up).
+ js - javascript for processing selection in versions web form
+
+Side Effects: None.
+
+=item previous_display_javascript()
+
+Inputs: 2
+ nomenu - 1 if display is in a pop-up window, and hence no menu
+ breadcrumbs etc., are displayed.
+ current - student's current version number.
+
+Output: 1
+ js - javascript for processing selection in versions web form.
+
+Side Effects: None.
+
+=back
+
+=head1 Routines to process bubblesheet data.
+
+=over 4
+
=item scantron_get_correction() :
Builds the interface screen to interact with the operator to fix a
@@ -9764,7 +10066,9 @@ ssi_with_retries()
=item navmap_errormsg() :
Returns HTML mark-up inside a <div></div> with a link to re-initialize the course.
- Should be called whenever the request to instantiate a navmap object fails.
+ Should be called whenever the request to instantiate a navmap object fails.
+
+=back
=back