Annotation of loncom/interface/lonstatistics.pm, revision 1.144
1.1 albertel 1: # The LearningOnline Network with CAPA
2: #
1.144 ! jms 3: # $Id: lonstatistics.pm,v 1.143 2008/11/10 13:20:14 jms Exp $
1.1 albertel 4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27: # (Navigate problems for statistical reports
1.14 minaeibi 28: #
1.1 albertel 29: ###
30:
1.59 matthew 31:
32:
1.55 minaeibi 33: package Apache::lonstatistics;
1.1 albertel 34:
1.30 stredwic 35: use strict;
1.1 albertel 36: use Apache::Constants qw(:common :http);
1.61 matthew 37: use vars qw(
38: @FullClasslist
39: @Students
1.130 raeburn 40: @Sections
41: @Groups
1.61 matthew 42: %StudentData
43: @StudentDataOrder
44: @SelectedStudentData
1.94 matthew 45: $enrollment_status);
1.61 matthew 46:
1.123 albertel 47: use Apache::lonnet;
1.1 albertel 48: use Apache::lonhomework;
1.12 minaeibi 49: use Apache::loncommon;
1.29 stredwic 50: use Apache::loncoursedata;
51: use Apache::lonhtmlcommon;
1.97 matthew 52: use Apache::lonmysql;
53: use Apache::lonlocal;
1.135 raeburn 54: use Apache::longroup;
1.97 matthew 55: use Time::HiRes;
56: #
57: # Statistics Packages
1.61 matthew 58: use Apache::lonproblemanalysis();
1.89 matthew 59: use Apache::lonsubmissiontimeanalysis();
1.94 matthew 60: use Apache::loncorrectproblemplot();
1.61 matthew 61: use Apache::lonproblemstatistics();
62: use Apache::lonstudentassessment();
1.49 stredwic 63: use Apache::lonpercentage;
1.97 matthew 64: use Apache::lonstudentsubmissions();
1.104 matthew 65: use Apache::lonsurveyreports();
1.128 albertel 66: use Apache::longradinganalysis();
1.136 www 67: use LONCAPA;
1.60 matthew 68:
69: #
70: # Classlist variables
71: #
1.59 matthew 72: my $curr_student;
73: my $prev_student;
74: my $next_student;
75:
1.61 matthew 76:
1.59 matthew 77: sub clear_classlist_variables {
78: undef(@FullClasslist);
79: undef(@Students);
80: undef(@Sections);
1.130 raeburn 81: undef(@Groups);
1.61 matthew 82: undef(%StudentData);
83: undef(@SelectedStudentData);
1.59 matthew 84: undef($curr_student);
85: undef($prev_student);
86: undef($next_student);
87: }
88:
1.130 raeburn 89:
1.59 matthew 90: sub PrepareClasslist {
91: my %Sections;
92: &clear_classlist_variables();
93: #
94: # Retrieve the classlist
1.123 albertel 95: my $cid = $env{'request.course.id'};
96: my $cdom = $env{'course.'.$cid.'.domain'};
97: my $cnum = $env{'course.'.$cid.'.num'};
1.125 albertel 98: my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cdom,
99: $cnum);
1.119 matthew 100: my @selected_sections = &get_selected_sections();
1.130 raeburn 101: my @selected_groups = &get_selected_groups();
1.61 matthew 102: #
1.69 matthew 103: # Deal with instructors with restricted section access
1.123 albertel 104: if ($env{'request.course.sec'} !~ /^\s*$/) {
105: @selected_sections = ($env{'request.course.sec'});
1.69 matthew 106: }
107: #
1.61 matthew 108: # Set up %StudentData
1.130 raeburn 109: @StudentDataOrder = qw/fullname username domain id section status groups comments/;
1.61 matthew 110: foreach my $field (@StudentDataOrder) {
1.108 matthew 111: $StudentData{$field}->{'title'} = &mt($field);
112: $StudentData{$field}->{'base_width'} = length(&mt($field));
1.61 matthew 113: $StudentData{$field}->{'width'} =
114: $StudentData{$field}->{'base_width'};
115: }
1.59 matthew 116: #
1.68 matthew 117: # get the status requested
1.94 matthew 118: $enrollment_status = 'Active';
1.123 albertel 119: $enrollment_status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.68 matthew 120: #
1.130 raeburn 121: # Get groupmembership
1.133 albertel 122: my ($classgroups,$studentgroups);
1.135 raeburn 123: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
1.133 albertel 124: if (%curr_groups) {
1.130 raeburn 125: ($classgroups,$studentgroups) =
1.133 albertel 126: &Apache::loncoursedata::get_group_memberships($classlist,
1.134 raeburn 127: $field_names,
1.133 albertel 128: $cdom,$cnum);
1.130 raeburn 129: }
130: my $now = time;
131:
1.59 matthew 132: # Process the classlist
133: while (my ($student,$student_data) = each (%$classlist)) {
134: my $studenthash = ();
135: for (my $i=0; $i< scalar(@$field_names);$i++) {
1.61 matthew 136: my $field = $field_names->[$i];
137: # Store the data
138: $studenthash->{$field}=$student_data->[$i];
139: # Keep track of the width of the fields
140: next if (! exists($StudentData{$field}));
1.63 matthew 141: my $length = length($student_data->[$i]);
1.61 matthew 142: if ($StudentData{$field}->{'width'} < $length) {
143: $StudentData{$field}->{'width'} = $length;
144: }
1.59 matthew 145: }
1.130 raeburn 146: my @studentsgroups = &Apache::loncoursedata::get_students_groups
147: ($student,$enrollment_status,
148: $classgroups);
149: if (@studentsgroups) {
150: $studenthash->{'groups'} = join(', ',@studentsgroups);
151: $studenthash->{'groupref'} = \@studentsgroups;
152: } else {
153: $studenthash->{'groups'} = 'none';
154: $studenthash->{'groupref'} = [];
155: }
1.59 matthew 156: push (@FullClasslist,$studenthash);
157: #
158: # Build up a list of sections
159: my $section = $studenthash->{'section'};
1.60 matthew 160: if (! defined($section) || $section =~/^\s*$/ || $section == -1) {
161: $studenthash->{'section'} = 'none';
162: $section = $studenthash->{'section'};
163: }
1.59 matthew 164: $Sections{$section}++;
165: #
166: # Only put in the list those students we are interested in
1.119 matthew 167: foreach my $sect (@selected_sections) {
1.68 matthew 168: if ( (($sect eq 'all') ||
169: ($section eq $sect)) &&
1.94 matthew 170: (($studenthash->{'status'} eq $enrollment_status) ||
171: ($enrollment_status eq 'Any'))
1.68 matthew 172: ){
1.130 raeburn 173: my $groupcheck = 0;
1.131 albertel 174: if (grep(/^all$/,@selected_groups)) {
175: push(@Students,$studenthash);
1.130 raeburn 176: last;
1.131 albertel 177: } elsif (grep(/^none$/,@selected_groups)) {
1.130 raeburn 178: if ($studenthash->{'groups'} eq 'none') {
1.131 albertel 179: push(@Students,$studenthash);
1.130 raeburn 180: last;
181: }
182: } else {
183: foreach my $group (@selected_groups) {
1.131 albertel 184: if (grep(/^$group$/,@studentsgroups)) {
185: push(@Students,$studenthash);
1.130 raeburn 186: $groupcheck = 1;
187: last;
188: }
189: }
190: if ($groupcheck) {
191: last;
192: }
193: }
1.60 matthew 194: }
1.59 matthew 195: }
196: }
197: #
198: # Put the consolidated section data in the right place
1.123 albertel 199: if ($env{'request.course.sec'} !~ /^\s*$/) {
200: @Sections = ($env{'request.course.sec'});
1.69 matthew 201: } else {
1.138 albertel 202: @Sections = sort {
203: if ($a == $a && $b == $b ) { return $a <=> $b; }
204: return $a cmp $b;
205: } keys(%Sections);
206:
1.69 matthew 207: unshift(@Sections,'all'); # Put 'all' at the front of the list
208: }
1.130 raeburn 209: # Sort the groups
210: @Groups = sort {$a cmp $b} keys(%{$studentgroups});
211: unshift(@Groups,'all'); # Put 'all' at the front of the list
212:
1.59 matthew 213: #
214: # Sort the Students
215: my $sortby = 'fullname';
1.123 albertel 216: $sortby = $env{'form.sort'} if (exists($env{'form.sort'}));
1.127 albertel 217: my @TmpStudents = sort { lc($a->{$sortby}) cmp lc($b->{$sortby}) ||
1.126 albertel 218: lc($a->{'fullname'}) cmp lc($b->{'fullname'}) ||
219: lc($a->{'username'}) cmp lc($b->{'username'}) } @Students;
1.60 matthew 220: @Students = @TmpStudents;
1.59 matthew 221: #
222: # Now deal with that current student thing....
1.72 matthew 223: $curr_student = undef;
1.123 albertel 224: if (exists($env{'form.SelectedStudent'})) {
1.59 matthew 225: my ($current_uname,$current_dom) =
1.123 albertel 226: split(':',$env{'form.SelectedStudent'});
1.59 matthew 227: my $i;
228: for ($i = 0; $i<=$#Students; $i++) {
229: next if (($Students[$i]->{'username'} ne $current_uname) ||
230: ($Students[$i]->{'domain'} ne $current_dom));
1.60 matthew 231: $curr_student = $Students[$i];
1.59 matthew 232: last; # If we get here, we have our student.
233: }
1.72 matthew 234: if (defined($curr_student)) {
235: if ($i == 0) {
236: $prev_student = undef;
237: } else {
238: $prev_student = $Students[$i-1];
239: }
240: if ($i == $#Students) {
241: $next_student = undef;
242: } else {
243: $next_student = $Students[$i+1];
244: }
1.59 matthew 245: }
246: }
1.61 matthew 247: #
1.123 albertel 248: if (exists($env{'form.StudentData'})) {
1.124 albertel 249: @SelectedStudentData =
250: &Apache::loncommon::get_env_multiple('form.StudentData');
1.61 matthew 251: } else {
1.72 matthew 252: @SelectedStudentData = ('username');
1.61 matthew 253: }
254: foreach (@SelectedStudentData) {
255: if ($_ eq 'all') {
256: @SelectedStudentData = ('all');
257: last;
258: }
259: }
260: #
261: return;
262: }
263:
1.119 matthew 264:
265: sub get_selected_sections {
1.124 albertel 266: my @selected_sections =
267: &Apache::loncommon::get_env_multiple('form.Section');
1.119 matthew 268: @selected_sections = ('all') if (! @selected_sections);
269: foreach (@selected_sections) {
270: if ($_ eq 'all') {
271: @selected_sections = ('all');
272: }
273: }
274: #
275: # Deal with instructors with restricted section access
1.123 albertel 276: if ($env{'request.course.sec'} !~ /^\s*$/) {
277: @selected_sections = ($env{'request.course.sec'});
1.119 matthew 278: }
279: return @selected_sections;
280: }
281:
1.144 ! jms 282:
1.130 raeburn 283: sub get_selected_groups {
284: my @selected_groups =
285: &Apache::loncommon::get_env_multiple('form.Group');
286: @selected_groups = ('all') if (! @selected_groups);
287: foreach my $grp (@selected_groups) {
288: if ($grp eq 'all') {
289: @selected_groups = ('all');
290: last;
291: }
292: }
293: return @selected_groups;
294: }
295:
1.122 matthew 296:
1.119 matthew 297:
298: sub section_and_enrollment_description {
1.122 matthew 299: my ($mode) = @_;
300: if (! defined($mode)) { $mode = 'localized'; }
1.119 matthew 301: my @sections = &Apache::lonstatistics::get_selected_sections();
1.130 raeburn 302: my @groups = &Apache::lonstatistics::get_selected_groups();
1.122 matthew 303: my $description;
304: if ($mode eq 'localized') {
1.137 raeburn 305: $description = &mt('Unable to determine section, groups and access status');
1.122 matthew 306: } elsif ($mode eq 'plaintext') {
1.137 raeburn 307: $description = 'Unable to determine section, groups and access status';
1.122 matthew 308: } else {
309: $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description';
310: &Apache::lonnet::logthis($description);
311: }
1.130 raeburn 312: $description = §ion_or_group_text($mode,'section',@sections).
1.131 albertel 313: ' '.§ion_or_group_text($mode,'group',@groups);
1.130 raeburn 314: if ($mode eq 'localized') {
1.142 bisitz 315: $description .= ' '.&mt($env{'form.Status'}.' access status.');
1.130 raeburn 316: } elsif ($mode eq 'plaintext') {
1.137 raeburn 317: $description .= ' '.$env{'form.Status'}.' access status.';
1.130 raeburn 318: }
319: return $description;
320: }
321:
1.144 ! jms 322:
! 323:
1.130 raeburn 324:
325: sub section_or_group_text {
326: my ($mode,$type,@items) = @_;
327: my $text;
328: my %phrases = ();
329: %{$phrases{'section'}} = (
330: single => 'Section',
331: all => 'All sections',
332: plural => 'Sections',
333: );
334: %{$phrases{'group'}} = (
335: single => 'Group',
336: all => 'All groups',
337: plural => 'Groups',
338: );
339: if (scalar(@items) == 1 && $items[0] ne 'all') {
1.122 matthew 340: if ($mode eq 'localized') {
1.142 bisitz 341: $text = &mt($phrases{$type}{single}.' [_1].',$items[0]);
1.122 matthew 342: } elsif ($mode eq 'plaintext') {
1.130 raeburn 343: $text = $phrases{$type}{single}.' '.$items[0].'.';
344:
1.122 matthew 345: }
1.130 raeburn 346: } elsif (scalar(@items) && $items[0] eq 'all') {
1.122 matthew 347: if ($mode eq 'localized') {
1.142 bisitz 348: $text = &mt($phrases{$type}{all}.'.');
1.122 matthew 349: } elsif ($mode eq 'plaintext') {
1.130 raeburn 350: $text = $phrases{$type}{all}.'.';
1.122 matthew 351: }
1.130 raeburn 352: } elsif (scalar(@items)) {
353: my $lastitem = pop(@items);
1.122 matthew 354: if ($mode eq 'localized') {
1.142 bisitz 355: $text = &mt($phrases{$type}{plural}.' [_1] and [_2].',
1.130 raeburn 356: join(', ',@items),$lastitem);
1.122 matthew 357: } elsif ($mode eq 'plaintext') {
1.130 raeburn 358: $text = $phrases{$type}{plural}.' '.join(', ',@items).' and '.
359: $lastitem.'.';
1.122 matthew 360: }
1.119 matthew 361: }
1.130 raeburn 362: return $text;
1.119 matthew 363: }
1.71 matthew 364:
365:
366: sub get_students {
367: if (! @Students) {
368: &PrepareClasslist()
369: }
370: return @Students;
371: }
372:
1.61 matthew 373:
374:
375: sub current_student {
1.72 matthew 376: return $curr_student;
1.61 matthew 377: }
378:
379:
380:
381: sub previous_student {
1.72 matthew 382: return $prev_student;
1.59 matthew 383: }
384:
1.61 matthew 385:
386:
387: sub next_student {
1.72 matthew 388: return $next_student;
1.61 matthew 389: }
1.60 matthew 390:
391:
392:
1.61 matthew 393: sub StudentDataSelect {
394: my ($elementname,$status,$numvisible)=@_;
395: if ($numvisible < 1) {
396: return;
397: }
398: #
399: # Build the form element
400: my $Str = "\n";
401: $Str .= '<select name="'.$elementname.'" ';
402: if ($status ne 'single') {
403: $Str .= 'multiple="true" ';
404: }
405: $Str .= 'size="'.$numvisible.'" >'."\n";
406: #
407: # Deal with 'all'
408: $Str .= ' <option value="all" ';
409: foreach (@SelectedStudentData) {
410: if ($_ eq 'all') {
411: $Str .= 'selected ';
412: last;
413: }
414: }
415: $Str .= ">all</option>\n";
416: #
417: # Loop through the student data fields
418: foreach my $item (@StudentDataOrder) {
419: $Str .= ' <option value="'.$item.'" ';
420: foreach (@SelectedStudentData) {
421: if ($item eq $_ ) {
422: $Str .= 'selected ';
423: last;
424: }
425: }
426: $Str .= '>'.$item."</option>\n";
427: }
428: $Str .= "</select>\n";
429: return $Str;
1.60 matthew 430: }
431:
1.115 matthew 432:
433:
434: sub get_selected_maps {
435: my ($elementname) = @_;
1.124 albertel 436: my @selected_maps =
437: &Apache::loncommon::get_env_multiple('form.'.$elementname);
438: @selected_maps = ('all') if (! @selected_maps);
1.118 matthew 439: foreach my $map (@selected_maps) {
440: if ($map eq 'all') {
441: @selected_maps = ('all');
442: last;
443: }
444: }
1.115 matthew 445: return @selected_maps;
446: }
447:
448:
449:
450:
1.116 matthew 451: sub selected_sequences_with_assessments {
1.115 matthew 452: my ($mode) = @_;
453: $mode = 'selected' if (! defined($mode));
454: my $navmap = Apache::lonnavmaps::navmap->new();
455: if (!defined($navmap)) {
456: return ('Can not open Coursemap');
457: }
458: #
459: my @sequences = $navmap->retrieveResources(undef,
460: sub { shift->is_map(); },1,0,1);
1.139 raeburn 461: my $toplevelseq = $navmap->getById('0.0');
462: if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
463: unshift(@sequences,$toplevelseq);
464: }
465:
1.115 matthew 466: my @sequences_with_assessments;
1.139 raeburn 467: foreach my $sequence (@sequences) {
1.120 matthew 468: if ($navmap->hasResource($sequence,sub { shift->is_problem(); },0,1)){
1.115 matthew 469: push(@sequences_with_assessments,$sequence);
470: }
471: }
472: #
473: my @sequences_to_show;
474: foreach my $sequence (@sequences_with_assessments) {
475: if ($mode eq 'all') {
476: push (@sequences_to_show,$sequence);
477: } elsif ($mode eq 'selected') {
1.116 matthew 478: foreach my $map_symb (&get_selected_maps('Maps')) {
1.115 matthew 479: if ($sequence->symb eq $map_symb || $map_symb eq 'all'){
480: push (@sequences_to_show,$sequence);
481: last; # Only put it in once
482: }
483: }
484: }
485:
486: }
487: return $navmap,@sequences_to_show;
488: }
489:
1.60 matthew 490:
1.115 matthew 491: sub map_select {
492: my ($elementname,$status,$numvisible)=@_;
1.60 matthew 493: if ($numvisible < 1) {
494: return;
495: }
496: #
497: # Set up array of selected items
1.115 matthew 498: my @selected_maps = &get_selected_maps($elementname);
1.60 matthew 499: #
500: # Build the form element
1.115 matthew 501: my $form = "\n";
502: $form .= '<select name="'.$elementname.'" ';
1.60 matthew 503: if ($status ne 'single') {
1.115 matthew 504: $form .= 'multiple="true" ';
1.60 matthew 505: }
1.115 matthew 506: $form .= 'size="'.$numvisible.'" >'."\n";
1.60 matthew 507: #
1.61 matthew 508: # Put in option for 'all'
1.115 matthew 509: $form .= ' <option value="all" ';
1.118 matthew 510: if ($selected_maps[0] eq 'all') {
511: $form .= 'selected ';
1.61 matthew 512: }
1.115 matthew 513: $form .= ">all</option>\n";
1.61 matthew 514: #
1.60 matthew 515: # Loop through the sequences
1.117 matthew 516: my @sequences = &selected_sequences_with_assessments('all');
1.115 matthew 517: my $navmap;
518: if (!ref($sequences[0])) {
519: return $sequences[0];
520: } else {
521: $navmap = shift(@sequences);
522: }
523: foreach my $seq (@sequences){
524: $form .= ' <option value="'.$seq->symb.'" ';
525: foreach (@selected_maps) {
526: if ($seq->symb eq $_) {
527: $form .= 'selected ';
1.60 matthew 528: last;
529: }
530: }
1.115 matthew 531: $form .= '>'.$seq->compTitle."</option>\n";
1.60 matthew 532: }
1.115 matthew 533: $form .= "</select>\n";
534: return $form;
1.60 matthew 535: }
536:
537:
538: sub SectionSelect {
539: my ($elementname,$status,$numvisible)=@_;
540: if ($numvisible < 1) {
541: return;
542: }
543: #
1.71 matthew 544: # Make sure we have the data we need to continue
545: if (! @Sections) {
546: &PrepareClasslist()
547: }
548: #
1.60 matthew 549: # Build the form element
550: my $Str = "\n";
551: $Str .= '<select name="'.$elementname.'" ';
552: if ($status ne 'single') {
553: $Str .= 'multiple="true" ';
554: }
555: $Str .= 'size="'.$numvisible.'" >'."\n";
556: #
557: # Loop through the sequences
558: foreach my $s (@Sections) {
559: $Str .= ' <option value="'.$s.'" ';
1.119 matthew 560: foreach (&get_selected_sections()) {
1.61 matthew 561: if ($s eq $_) {
1.60 matthew 562: $Str .= 'selected ';
563: last;
564: }
565: }
566: $Str .= '>'.$s."</option>\n";
567: }
568: $Str .= "</select>\n";
569: return $Str;
1.80 matthew 570: }
571:
1.144 ! jms 572:
1.130 raeburn 573: sub GroupSelect {
574: my ($elementname,$status,$numvisible)=@_;
575: if ($numvisible < 1) {
576: return;
577: }
578: #
579: # Make sure we have the data we need to continue
580: if (! @Groups) {
581: &PrepareClasslist();
582: }
583: #
584: # Build the form element
585: my $Str = "\n";
586: $Str .= '<select name="'.$elementname.'" ';
587: if ($status ne 'single') {
588: $Str .= 'multiple="true" ';
589: }
590: $Str .= 'size="'.$numvisible.'" >'."\n";
591: #
592: # Loop through the groups
593: foreach my $s (@Groups) {
594: $Str .= ' <option value="'.$s.'" ';
595: foreach my $group (&get_selected_groups()) {
596: if ($s eq $group) {
597: $Str .= 'selected ';
598: last;
599: }
600: }
601: $Str .= '>'.$s."</option>\n";
602: }
603: $Str .= "</select>\n";
604: }
605:
606:
1.144 ! jms 607:
! 608:
1.60 matthew 609: sub DisplayClasslist {
610: my ($r)=@_;
1.107 matthew 611: &Apache::lonhtmlcommon::add_breadcrumb
612: ({text=>'Select One Student'});
1.60 matthew 613: #
1.105 matthew 614: # Output some of the standard interface components
615: my $Str;
1.132 albertel 616: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student');
1.105 matthew 617: $Str .= '<p><table cellspacing="5">'."\n";
618: $Str .= '<tr>';
619: $Str .= '<th align="center"><b>'.&mt('Sections').'</b></th>';
1.130 raeburn 620: $Str .= '<th align="center"><b>'.&mt('Groups').'</b></th>';
1.137 raeburn 621: $Str .= '<th align="center"><b>'.&mt('Access Status').'</b></th>';
1.105 matthew 622: $Str .= '</tr>'.$/;
623: $Str .= '<tr>';
624: $Str .= '<td>'.
625: &Apache::lonstatistics::SectionSelect('Section','multiple',5).
626: '</td>';
1.130 raeburn 627: $Str .= '<td>'.
628: &Apache::lonstatistics::GroupSelect('Group','multiple',5).
629: '</td>';
1.105 matthew 630: $Str .= '<td>'.
631: &Apache::lonhtmlcommon::StatusOptions(undef,undef,5).
632: '</td>';
633:
634: $Str .= '</tr>'.$/;
635: $Str .= '</table></p>';
636: $Str .= '<input type="submit" name="selectstudent" value="'.
637: &mt('Update Display').'" />';
638: $r->print($Str);
639: $r->rflush();
640: #
1.130 raeburn 641: my @Fields = ('fullname','username','domain','id','section','status','groups');
1.60 matthew 642: #
1.105 matthew 643: $Str = '';
1.119 matthew 644: my @selected_sections = &get_selected_sections();
1.78 matthew 645: if (! @Students) {
1.119 matthew 646: if ($selected_sections[0] eq 'all') {
1.141 bisitz 647: if (lc($env{'form.Status'}) eq 'active') {
648: $Str .= '<p class="LC_info">'.
1.106 matthew 649: &mt('There are no currently enrolled students in the course.').
1.141 bisitz 650: '</p>';
1.123 albertel 651: } elsif (lc($env{'form.Status'}) eq 'expired') {
1.141 bisitz 652: $Str .= '<p class="LC_info">'.
1.106 matthew 653: &mt('There are no previously enrolled students in the course.').
1.141 bisitz 654: '</p>';
655: } elsif (lc($env{'form.Status'}) eq 'future') {
656: $Str .= '<p class="LC_info">'.
657: &mt('There are no students with future access in the course.').
658: '</p>';
659: } else { # 'any' and any others
660: $Str .= '<p class="LC_info">'.
661: &mt('There are no students in the course.').
662: '</p>';
1.78 matthew 663: }
664: } else {
1.141 bisitz 665: if (lc($env{'form.Status'}) eq 'active') {
666: $Str .= '<p class="LC_info">'.
1.106 matthew 667: &mt('There are no currently enrolled students in the selected sections.').
1.141 bisitz 668: '</p>';
1.123 albertel 669: } elsif (lc($env{'form.Status'}) eq 'expired') {
1.141 bisitz 670: $Str .= '<p class="LC_info">'.
1.106 matthew 671: &mt('There are no previously enrolled students in the selected sections.').
1.141 bisitz 672: '</p>';
673: } elsif (lc($env{'form.Status'}) eq 'future') {
674: $Str .= '<p class="LC_info">'.
675: &mt('There are no students with future access in the selected sections.').
676: '</p>';
677: } else { # 'any' and any others
678: $Str .= '<p class="LC_info">'.
679: &mt('There are no students in the selected sections.').
680: '</p>';
1.78 matthew 681: }
682: }
1.141 bisitz 683: $Str.= '<p>'
684: .'<a href="/adm/statistics?reportSelected=student_assessment">'
685: .&mt('Return to the chart').'</a>'
686: .'</p>';
1.78 matthew 687: $r->print($Str);
688: $r->rflush();
689: return;
690: }
691:
1.141 bisitz 692: $Str .= '<h2>'.&mt('Select One Student').'</h2>'
693: .'<p>'.&mt("Click on a student's name or username to view their chart").'</p>'
694: .&Apache::loncommon::start_data_table()
695: .&Apache::loncommon::start_data_table_header_row();
1.60 matthew 696: foreach my $field (@Fields) {
1.101 matthew 697: $Str .= '<th><a href="/adm/statistics?'.
698: 'reportSelected=student_assessment&'.
699: 'selectstudent=1&'.
1.106 matthew 700: 'sort='.$field.'">'.&mt($field).
1.60 matthew 701: '</a></th>';
702: }
1.141 bisitz 703: $Str .= &Apache::loncommon::end_data_table_header_row();
1.60 matthew 704: #
1.65 matthew 705: foreach my $student (@Students) { # @Students is a package variable
1.60 matthew 706: my $sname = $student->{'username'}.':'.$student->{'domain'};
1.141 bisitz 707: $Str .= &Apache::loncommon::start_data_table_row();
1.60 matthew 708: #
709: foreach my $field (@Fields) {
710: $Str .= '<td>';
1.78 matthew 711: if ($field eq 'fullname' || $field eq 'username') {
1.60 matthew 712: $Str .= '<a href="/adm/statistics?reportSelected=';
1.136 www 713: $Str .= &escape('student_assessment');
714: $Str .= '&sort='.&escape($env{'form.sort'});
1.72 matthew 715: $Str .= '&SelectedStudent=';
1.136 www 716: $Str .= &escape($sname).'">';
1.60 matthew 717: $Str .= $student->{$field}.' ';
718: $Str .= '</a>';
1.106 matthew 719: } elsif ($field eq 'status') {
720: $Str .= &mt($student->{$field});
1.60 matthew 721: } else {
722: $Str .= $student->{$field};
723: }
724: $Str .= '</td>';
725: }
1.141 bisitz 726: $Str .= &Apache::loncommon::end_data_table_row();
1.60 matthew 727: }
1.141 bisitz 728: $Str .= &Apache::loncommon::end_data_table();
1.60 matthew 729: #
730: $r->print($Str);
731: $r->rflush();
732: #
733: return;
734: }
735:
1.144 ! jms 736:
! 737:
1.33 stredwic 738: sub CreateMainMenu {
1.65 matthew 739: #
1.85 matthew 740: # Define menu data
741: my @reports = ({ internal_name => 'problem_statistics',
742: name => &mt('Overall Problem Statistics'),
743: short_description =>
744: &mt('Student performance statistics on all problems.'),
745: },
746: { internal_name => 'problem_analysis',
747: name => &mt('Detailed Problem Analysis'),
748: short_description =>
749: &mt('Detailed statistics and graphs of student performance on problems.'),
750: },
1.89 matthew 751: { internal_name => 'submissiontime_analysis',
1.94 matthew 752: name => &mt('Submission Time Plots'),
1.89 matthew 753: short_description =>
754: &mt('Display and analysis of submission times on assessments.'),
755: },
1.97 matthew 756: { internal_name => 'student_submission_reports',
757: name => &mt('Student Submission Reports'),
758: short_description =>
1.111 matthew 759: &mt('Prepare reports of student submissions.'),
1.97 matthew 760: },
1.104 matthew 761: { internal_name => 'survey_reports',
762: name => &mt('Survey Reports'),
763: short_description =>
764: &mt('Prepare reports on survey results.'),
765: },
1.94 matthew 766: { internal_name => 'correct_problems_plot',
767: name => &mt('Correct Problems Plot'),
768: short_description =>
769: &mt('Display a histogram of student performance in the course.'),
770: },
1.128 albertel 771: # { internal_name => 'grading_analysis',
772: # name => &mt('Detailed Grading Analysis'),
773: # short_description =>
774: # &mt('Display statistics about who graded who.'),
775: # },
1.88 matthew 776: # { internal_name => 'student_assessment',
777: # name => &mt('Problem Status Chart'),
778: # short_description =>
779: # &mt('Brief view of each students performance in course.'),
780: # },
1.85 matthew 781: # 'percentage' => 'Correct-problems Plot',
782: # 'activitylog' => 'Activity Log',
783: );
1.65 matthew 784: #
1.85 matthew 785: # Create the menu
786: my $Str;
1.98 matthew 787: $Str .= '<h2>'.&mt('Please select a report to generate').'</h2>';
1.85 matthew 788: foreach my $reportdata (@reports) {
1.87 matthew 789: $Str .=' <h3><a href="/adm/statistics?reportSelected='.
1.85 matthew 790: $reportdata->{'internal_name'}.'" >'.
1.87 matthew 791: $reportdata->{'name'}."</a></h3>\n";
792: $Str .= ' '.(' 'x8).$reportdata->{'short_description'}.
793: "\n";
1.85 matthew 794: }
795: $Str .="</dl>\n";
1.65 matthew 796: #
1.33 stredwic 797: return $Str;
798: }
799:
1.144 ! jms 800:
! 801:
1.1 albertel 802: sub handler {
1.31 minaeibi 803: my $r=shift;
1.65 matthew 804: my $c = $r->connection();
805: #
806: # Check for overloading
1.51 www 807: my $loaderror=&Apache::lonnet::overloaderror($r);
808: if ($loaderror) { return $loaderror; }
809: $loaderror=
810: &Apache::lonnet::overloaderror($r,
1.123 albertel 811: $env{'course.'.$env{'request.course.id'}.'.home'});
1.51 www 812: if ($loaderror) { return $loaderror; }
1.65 matthew 813: #
814: # Check for access
1.123 albertel 815: if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
816: $env{'user.error.msg'}=
1.69 matthew 817: $r->uri.":vgr:0:0:Cannot view grades for complete course";
818: if (! &Apache::lonnet::allowed('vgr',
1.123 albertel 819: $env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
820: $env{'user.error.msg'}=
1.69 matthew 821: $r->uri.":vgr:0:0:Cannot view grades with given role";
822: return HTTP_NOT_ACCEPTABLE;
823: }
1.27 stredwic 824: }
1.65 matthew 825: #
826: # Send the header
1.92 www 827: &Apache::loncommon::no_cache($r);
828: &Apache::loncommon::content_type($r,'text/html');
1.27 stredwic 829: $r->send_http_header;
1.92 www 830: if ($r->header_only) { return OK; }
1.65 matthew 831: #
832: # Extract form elements from query string
1.60 matthew 833: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.65 matthew 834: ['sort','reportSelected',
1.72 matthew 835: 'SelectedStudent']);
1.65 matthew 836: #
837: # Give the LON-CAPA page header
1.109 matthew 838: my $style = <<ENDSTYLE;
839: <style type="text/css">
840: ul.sub_studentans { list-style-type: none }
841: ul.sub_correctans { list-style-type: none }
1.110 matthew 842: tr.even { background-color: \#CCCCCC }
843: td.essay { border: 1px solid gray; }
1.109 matthew 844: </style>
845: ENDSTYLE
1.129 albertel 846:
847: $r->print(&Apache::loncommon::start_page('Course Statistics and Charts',
848: $style));
1.65 matthew 849: $r->rflush();
1.85 matthew 850: #
851: # Either print out a menu for them or send them to a report
1.98 matthew 852: &Apache::lonhtmlcommon::clear_breadcrumbs();
853: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics',
1.100 matthew 854: title=>'Statistics',
855: text =>'Statistics',
1.98 matthew 856: faq=>139,
857: bug=>'Statistics and Charts'});
1.123 albertel 858: if (! exists($env{'form.reportSelected'}) ||
859: $env{'form.reportSelected'} eq '') {
1.132 albertel 860: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Statistics Main Page').
1.98 matthew 861: &CreateMainMenu());
1.85 matthew 862: } else {
1.65 matthew 863: #
1.85 matthew 864: if (! &Apache::lonmysql::verify_sql_connection()) {
865: my $serveradmin = $r->dir_config('lonAdmEMail');
1.140 bisitz 866: $r->print('<h2 class="LC_error">'.
1.85 matthew 867: &mt('Unable to connect to database!').
1.140 bisitz 868: '</h2>');
869: $r->print('<p>'
870: .&mt('Please notify the server administrator [_1]',
871: ,'<b>'.$serveradmin.'</b>')
872: .'</p>');
1.85 matthew 873: $r->print('<p>'.
874: &mt('Course Statistics and Charts cannot be '.
875: 'retrieved until the database is restarted. '.
876: 'Your data is intact but cannot be displayed '.
877: 'at this time.').'</p>');
1.129 albertel 878: $r->print(&Apache::loncommon::end_page());
1.85 matthew 879: return;
880: }
881: #
882: # Clean out the caches
1.123 albertel 883: if (exists($env{'form.ClearCache'})) {
884: &Apache::loncoursedata::delete_caches($env{'requres.course.id'});
1.85 matthew 885: }
886: #
887: # Begin form output
888: $r->print('<form name="Statistics" ');
889: $r->print('method="post" action="/adm/statistics">');
890: $r->rflush();
891: #
1.123 albertel 892: my $GoToPage = $env{'form.reportSelected'};
1.90 matthew 893: #
1.85 matthew 894: $r->print('<input type="hidden" name="reportSelected" value="'.
895: $GoToPage.'">');
896: if($GoToPage eq 'activitylog') {
1.65 matthew 897: # &Apache::lonproblemstatistics::Activity();
1.85 matthew 898: } elsif($GoToPage eq 'problem_statistics') {
1.98 matthew 899: &Apache::lonhtmlcommon::add_breadcrumb
900: ({href=>'/adm/statistics?reportselected=problem_statistics',
1.100 matthew 901: text=>'Overall Problem Statistics'});
1.85 matthew 902: &Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c);
903: } elsif($GoToPage eq 'problem_analysis') {
1.98 matthew 904: &Apache::lonhtmlcommon::add_breadcrumb
905: ({href=>'/adm/statistics?reportselected=problem_analysis',
1.100 matthew 906: text=>'Detailed Problem Analysis'});
1.85 matthew 907: &Apache::lonproblemanalysis::BuildProblemAnalysisPage($r,$c);
1.89 matthew 908: } elsif($GoToPage eq 'submissiontime_analysis') {
1.98 matthew 909: &Apache::lonhtmlcommon::add_breadcrumb
910: ({href=>
911: '/adm/statistics?reportselected=submissiontime_analysis',
1.100 matthew 912: text=>'Submission Time Plots'});
1.89 matthew 913: &Apache::lonsubmissiontimeanalysis::BuildSubmissionTimePage($r,$c);
1.97 matthew 914: } elsif($GoToPage eq 'student_submission_reports') {
1.98 matthew 915: &Apache::lonhtmlcommon::add_breadcrumb
916: ({href=>
917: '/adm/statistics?reportselected=student_submission_reports',
1.100 matthew 918: text=>'Student Submission Reports'});
1.97 matthew 919: &Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c);
1.104 matthew 920: } elsif($GoToPage eq 'survey_reports') {
921: &Apache::lonhtmlcommon::add_breadcrumb
922: ({href=>
923: '/adm/statistics?reportselected=survey_reports',
924: text=>'Survey Reports'});
925: &Apache::lonsurveyreports::BuildSurveyReportsPage($r,$c);
1.94 matthew 926: } elsif($GoToPage eq 'correct_problems_plot') {
1.98 matthew 927: &Apache::lonhtmlcommon::add_breadcrumb
928: ({href=>'/adm/statistics?reportselected=correct_problems_plot',
1.100 matthew 929: text=>'Correct Problems Plot'});
1.94 matthew 930: &Apache::loncorrectproblemplot::BuildCorrectProblemsPage($r,$c);
1.85 matthew 931: } elsif($GoToPage eq 'student_assessment') {
1.98 matthew 932: &Apache::lonhtmlcommon::clear_breadcrumbs();
933: &Apache::lonhtmlcommon::add_breadcrumb
934: ({href=>'/adm/statistics?reportselected=student_assessment',
1.100 matthew 935: text=>'Chart'});
1.85 matthew 936: &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c);
1.128 albertel 937: } elsif($GoToPage eq 'grading_analysis') {
938: &Apache::lonhtmlcommon::add_breadcrumb
939: ({href=>'/adm/statistics?reportselected=grading_anaylsis',
940: text=>'Grading Analysis'});
941: &Apache::longradinganalysis::build_grading_analysis_page($r,$c);
942: }
1.85 matthew 943: #
944: $r->print("</form>\n");
1.65 matthew 945: }
1.129 albertel 946: $r->print(&Apache::loncommon::end_page());
1.65 matthew 947: $r->rflush();
948: #
1.27 stredwic 949: return OK;
1.1 albertel 950: }
1.65 matthew 951:
1.1 albertel 952: 1;
1.59 matthew 953:
1.144 ! jms 954: __END__
1.65 matthew 955:
1.59 matthew 956: =pod
957:
1.144 ! jms 958: =head1 NAME
! 959:
! 960: lonstatistics
! 961:
! 962: =head1 SYNOPSIS
! 963:
! 964: Main handler for statistics and chart.
! 965:
! 966: This is part of the LearningOnline Network with CAPA project
! 967: described at http://www.lon-capa.org.
! 968:
! 969:
! 970: =head1 PACKAGE VARIABLES
! 971:
! 972: =over
! 973:
! 974: =item @FullClasslist The full classlist
! 975:
! 976: =item @Students The students we are concerned with for this invocation
! 977:
! 978: =item @Sections The sections available in this class
! 979:
! 980: =item @Groups The groups available in the class
! 981:
! 982: =item $curr_student The student currently being examined
! 983:
! 984: =item $prev_student The student previous in the classlist
! 985:
! 986: =item $next_student The student next in the classlist
! 987:
! 988: =back
! 989:
! 990: =head1 SUBROUTINES
! 991:
! 992: =over
! 993:
! 994: =item &clear_classlist_variables()
! 995:
! 996: undef the following package variables:
! 997:
! 998: =over 4
! 999:
! 1000: =item * @FullClasslist
! 1001:
! 1002: =item * @Students
! 1003:
! 1004: =item * @Sections
! 1005:
! 1006: =item * @Groups
! 1007:
! 1008: =item * %StudentData
! 1009:
! 1010: =item * @StudentDataOrder
! 1011:
! 1012: =item * @SelectedStudentData
! 1013:
! 1014: =item * $curr_student
! 1015:
! 1016: =item * $prev_student
! 1017:
! 1018: =item * $next_student
! 1019:
! 1020: =back
! 1021:
! 1022: =item &PrepareClasslist()
! 1023:
! 1024: Build up the classlist information. The classlist information is kept in
! 1025: the following package variables:
! 1026:
! 1027: =over 4
! 1028:
! 1029: =item * @FullClasslist
! 1030:
! 1031: =item * @Students
! 1032:
! 1033: =item * @Sections
! 1034:
! 1035: =item * @Groups
! 1036:
! 1037: =item * %StudentData
! 1038:
! 1039: =item * @SelectedStudentData
! 1040:
! 1041: =item * $curr_student
! 1042:
! 1043: =item * $prev_student
! 1044:
! 1045: =item * $next_student
! 1046:
! 1047: =back
! 1048:
! 1049: $curr_student, $prev_student, and $next_student may not be defined, depending
! 1050: upon the calling context.
! 1051:
! 1052: =item get_selected_sections()
! 1053:
! 1054: Returns an array of the selected sections
! 1055:
! 1056: =item get_selected_groups()
! 1057:
! 1058: Returns an array of the selected groups
! 1059:
! 1060: =item §ion_and_enrollment_description()
! 1061:
! 1062: Returns a string describing the currently selected section(s), group(s) and
! 1063: access status.
! 1064:
! 1065: Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized')
! 1066: 'plaintext' is used for example in Excel spreadsheets.
! 1067: Returns: scalar description string.
! 1068:
! 1069: =item section_or_group_text()
! 1070:
! 1071: =item get_students()
! 1072:
! 1073: Returns a list of the selected students
! 1074:
! 1075: =item ¤t_student()
! 1076:
! 1077: Returns a pointer to a hash containing data about the currently
! 1078: selected student.
! 1079:
! 1080: =item &previous_student()
! 1081:
! 1082: Returns a pointer to a hash containing data about the student prior
! 1083: in the list of students. Or something.
! 1084:
! 1085: =item &next_student()
! 1086:
! 1087: Returns a pointer to a hash containing data about the next student
! 1088: to be viewed.
! 1089:
! 1090: =item &StudentDataSelect($elementname,$status,$numvisible,$selected)
! 1091:
! 1092: Returns html for a selection box allowing the user to choose one (or more)
! 1093: of the fields of student data available (fullname, username, id, section, etc)
! 1094:
! 1095: =over 4
! 1096:
! 1097: =item * $elementname The name of the HTML form element
! 1098:
! 1099: =item * $status 'multiple' or 'single' selection box
! 1100:
! 1101: =item * $numvisible The number of options to be visible
! 1102:
! 1103: =back
! 1104:
! 1105: =item &get_selected_maps($elementname)
! 1106:
! 1107: Input: Name of the <select> form element used to specify the maps.
! 1108:
! 1109: Returns: Array of symbs of selected maps or the description 'all'.
! 1110: If form.$elementname does not exist, 'all' is returned.
! 1111:
! 1112: =item &selected_sequences_with_assessments()
! 1113:
! 1114: Retrieve the sequences which were selected by the user to show.
! 1115:
! 1116: Input: $mode: scalar. Either 'selected' or 'all'. If not specified,
! 1117: 'selected' is used.
! 1118:
! 1119: Returns: an array containing a navmap object and navmap resources,
! 1120: or an array containing a scalar with an error message.
! 1121:
! 1122: =item &map_select($elementname,$status,$numvisible,$restriction)
! 1123:
! 1124: Returns html for a selection box allowing the user to choose one (or more)
! 1125: of the sequences in the course. The values of the sequences are the symbs.
! 1126: If the top sequence is selected, the value 'top' will result.
! 1127:
! 1128: =over 4
! 1129:
! 1130: =item * $elementname The name of the HTML form element
! 1131:
! 1132: =item * $status 'multiple' or 'single' selection box
! 1133:
! 1134: =item * $numvisible The number of options to be visible
! 1135:
1.59 matthew 1136: =back
1137:
1.144 ! jms 1138: =item &SectionSelect($elementname,$status,$numvisible)
! 1139:
! 1140: Returns html for a selection box allowing the user to choose one (or more)
! 1141: of the sections in the course.
! 1142:
! 1143: Uses the package variables @Sections
! 1144:
! 1145: =over 4
! 1146:
! 1147: =item * $elementname The name of the HTML form element
! 1148:
! 1149: =item * $status 'multiple' or 'single' selection box
! 1150:
! 1151: =item * $numvisible The number of options to be visible
! 1152:
! 1153: =back
! 1154:
! 1155: =item &GroupSelect($elementname,$status,$numvisible)
! 1156:
! 1157: Returns html for a selection box allowing the user to choose one (or more)
! 1158: of the groups in the course.
! 1159:
! 1160: Uses the package variables @Groups
! 1161:
! 1162: =over 4
! 1163:
! 1164: =item * $elementname The name of the HTML form element
! 1165:
! 1166: =item * $status 'multiple' or 'single' selection box
! 1167:
! 1168: =item * $numvisible The number of options to be visible
! 1169:
! 1170: =back
! 1171:
! 1172: =item CreateMainMenu()
1.65 matthew 1173:
1.144 ! jms 1174: =back
1.59 matthew 1175:
1.144 ! jms 1176: =cut
1.31 minaeibi 1177:
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