Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.24
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: # (Publication Handler
3: #
1.24 ! minaeibi 4: # $Id: lonstudentassessment.pm,v 1.23 2002/12/24 21:00:21 minaeibi Exp $
1.1 stredwic 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
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
28: # YEAR=2001
29: # 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
30: # 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
31: # YEAR=2002
32: # 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
1.23 minaeibi 33: # 5/12,5/14,5/15,5/19,5/26,7/16,12/24 Behrouz Minaei
1.1 stredwic 34: #
35: ###
36:
1.21 minaeibi 37: package Apache::lonstudentassessment;
1.1 stredwic 38:
39: use strict;
40: use Apache::lonhtmlcommon;
41: use Apache::loncoursedata;
42: use GDBM_File;
43:
1.4 stredwic 44: #my $jr;
45:
1.1 stredwic 46: sub BuildStudentAssessmentPage {
1.2 stredwic 47: my ($cacheDB,$students,$courseID,$formName,$headings,$spacing,
48: $studentInformation,$r,$c)=@_;
1.4 stredwic 49: # $jr = $r;
1.1 stredwic 50: my %cache;
1.6 stredwic 51: unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.11 stredwic 52: $r->print('<html><body>Unable to tie database.</body></html>');
1.2 stredwic 53: return;
1.1 stredwic 54: }
1.3 stredwic 55:
56: # Remove students who don't have the proper section.
57: my @sectionsSelected = split(':',$cache{'sectionsSelected'});
58: for(my $studentIndex=((scalar @$students)-1); $studentIndex>=0;
59: $studentIndex--) {
60: my $value = $cache{$students->[$studentIndex].':section'};
61: my $found = 0;
62: foreach (@sectionsSelected) {
63: if($_ eq 'none') {
64: if($value eq '' || !defined($value) || $value eq ' ') {
65: $found = 1;
66: last;
67: }
68: } else {
69: if($value eq $_) {
70: $found = 1;
71: last;
72: }
73: }
74: }
75: if($found == 0) {
76: splice(@$students, $studentIndex, 1);
77: }
78: }
1.4 stredwic 79: my ($infoHeadings, $infoKeys, $sequenceHeadings, $sequenceKeys,
1.21 minaeibi 80: $doNotShow) =
1.4 stredwic 81: &ShouldShowColumns(\%cache, $headings, $studentInformation);
1.3 stredwic 82:
1.21 minaeibi 83: my $selectedName = &FindSelectedStudent(\%cache,
1.2 stredwic 84: $cache{'StudentAssessmentStudent'},
85: $students);
1.4 stredwic 86: $r->print(&CreateInterface(\%cache, $selectedName, $students, $formName,
87: $doNotShow));
1.7 stredwic 88: $r->rflush();
1.1 stredwic 89:
1.4 stredwic 90: my $Str = '';
1.1 stredwic 91: if($selectedName eq 'No Student Selected') {
1.4 stredwic 92: $Str .= '<h3><font color=blue>WARNING: ';
93: $Str .= 'Please select a student</font></h3>';
94: $r->print($Str);
1.2 stredwic 95: return;
1.1 stredwic 96: }
97:
1.2 stredwic 98: $r->print(&CreateTableHeadings(\%cache, $spacing, $infoKeys, $infoHeadings,
99: $sequenceKeys, $sequenceHeadings));
100: untie(%cache);
1.6 stredwic 101: if($c->aborted()) { return $Str; }
1.2 stredwic 102:
1.1 stredwic 103: my $selected=0;
1.24 ! minaeibi 104: my $Count = 0;
1.2 stredwic 105: $r->print('<pre>'."\n");
1.1 stredwic 106: foreach (@$students) {
1.8 stredwic 107: if($c->aborted()) { return $Str; }
1.17 minaeibi 108: next if ($_ ne $selectedName &&
1.1 stredwic 109: $selectedName ne 'All Students');
110: $selected = 1;
1.2 stredwic 111:
1.8 stredwic 112: my @who = ($_);
1.17 minaeibi 113: next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
114: $cacheDB, 'true',
1.8 stredwic 115: 'false', $courseID,
116: $r, $c) ne 'OK');
1.6 stredwic 117: next if($c->aborted());
1.2 stredwic 118:
1.6 stredwic 119: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.8 stredwic 120: my @before=();
121: my @after=();
122: my @updateColumn=();
123: my $foundUpdate = 0;
124: foreach(@$infoKeys) {
125: if(/updateTime/) {
126: $foundUpdate=1;
127: push(@updateColumn, $_);
128: next;
129: }
130: if($foundUpdate) {
131: push(@after, $_);
132: } else {
133: push(@before, $_);
134: }
135: }
1.24 ! minaeibi 136: $Count++;
! 137: my $out = '';
! 138: # $out .= sprintf("%3d", $Count);
! 139: if($Count % 2) {
! 140: $out .= '<bgcolor="#FFFFFF">';
! 141: } else {
! 142: $out .= '<bgcolor="#F6F6F6">';
! 143: }
! 144: my $displayString = $out.'DISPLAYDATA'.$spacing;
! 145: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
1.2 stredwic 146: \%cache, $_,
1.8 stredwic 147: \@before,
148: $displayString,
149: 'preformatted'));
150:
151: if($foundUpdate) {
152: $displayString = '';
153: $displayString .= '<a href="/adm/statistics?reportSelected=';
154: $displayString .= &Apache::lonnet::escape('Student Assessment');
155: $displayString .= '&download='.$_.'">';
156: $displayString .= 'DISPLAYDATA</a>'.$spacing;
157: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
158: \%cache, $_,
159: \@updateColumn,
160: $displayString,
161: 'preformatted'));
162: }
163:
164: $displayString = 'DISPLAYDATA'.$spacing;
165: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
166: \%cache, $_,
167: \@after,
1.2 stredwic 168: $displayString,
169: 'preformatted'));
170: $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
171: $r->print("\n");
1.7 stredwic 172: $r->rflush();
1.1 stredwic 173: untie(%cache);
174: }
175: }
1.16 minaeibi 176:
1.23 minaeibi 177: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
178: $r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys));
179: untie(%cache);
180: }
1.2 stredwic 181: $r->print('</pre>'."\n");
1.1 stredwic 182: if($selected == 0) {
1.4 stredwic 183: $Str .= '<h3><font color=blue>WARNING: ';
184: $Str .= 'Please select a student</font></h3>';
185: $r->print($Str);
1.1 stredwic 186: }
187:
1.2 stredwic 188: return;
189: }
190:
1.21 minaeibi 191:
192:
193:
1.2 stredwic 194: #---- Student Assessment Web Page --------------------------------------------
195:
196: sub CreateInterface {
1.4 stredwic 197: my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
198:
199: my $Str = '';
200: $Str .= &CreateLegend();
201: $Str .= '<table><tr><td>'."\n";
202: $Str .= '<input type="submit" name="PreviousStudent" ';
203: $Str .= 'value="Previous Student" />'."\n";
204: $Str .= '   '."\n";
1.17 minaeibi 205: $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,
1.21 minaeibi 206: $selectedName,
207: 'StudentAssessment',
1.2 stredwic 208: $formName);
1.4 stredwic 209: $Str .= "\n".'   '."\n";
210: $Str .= '<input type="submit" name="NextStudent" ';
211: $Str .= 'value="Next Student" />'."\n";
212: $Str .= '</td></tr></table>'."\n";
213: $Str .= '<table cellspacing="5"><tr>'."\n";
214: $Str .= '<td align="center"><b>Select Sections</b>'."\n";
215: $Str .= '</td>'."\n";
216: $Str .= '<td align="center"><b>Select column to view:</b></td>'."\n";
217: $Str .= '<td></td></tr>'."\n";
1.3 stredwic 218:
1.4 stredwic 219: $Str .= '<tr><td align="center">'."\n";
1.3 stredwic 220: my @sections = split(':',$cache->{'sectionList'});
221: my @selectedSections = split(':',$cache->{'sectionsSelected'});
1.4 stredwic 222: $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
1.3 stredwic 223: \@selectedSections,
224: 'Statistics');
1.4 stredwic 225: $Str .= '</td><td align="center">';
226: $Str .= &CreateColumnSelectionBox($doNotShow);
227: $Str .= '</td><td>'."\n";
228: $Str .= '<input type="submit" name="DefaultColumns" ';
229: $Str .= 'value="Default Column Display" />'."\n";
1.18 matthew 230: $Str .= '</td><td>'."\n";
231: $Str .= '<input type="submit" name="displaymode" ';
232: if (! exists($ENV{'form.displaymode'}) ||
233: lc($ENV{'form.displaymode'}) eq 'display with links') {
234: $Str .= 'value="Display without links" />';
235: # Set the current value, in case it is undefined
1.21 minaeibi 236: $ENV{'form.displaymode'} = 'Display with links';
1.18 matthew 237: } else {
238: $Str .= 'value="Display with links" />';
239: }
240: $Str .= "\n";
1.4 stredwic 241: $Str .= '</td></tr></table>'."\n";
1.2 stredwic 242:
1.4 stredwic 243: return $Str;
1.1 stredwic 244: }
245:
1.2 stredwic 246: sub CreateTableHeadings {
247: my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
248: $sequenceHeadings)=@_;
249:
1.24 ! minaeibi 250: # my $Str = '     ';
1.2 stredwic 251: my $Str = '';
1.4 stredwic 252: $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";
253:
254: $Str .= '<tr>'."\n";
255: $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,
256: $sequenceKeys);
257: $Str .= '<td></td></tr>'."\n";
1.2 stredwic 258:
1.4 stredwic 259: $Str .= '<tr>'."\n";
1.2 stredwic 260: my $displayString = '<td align="left"><pre><a href="/adm/statistics?';
261: $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';
262: $displayString .= $spacing.'</pre></td>'."\n";
1.17 minaeibi 263: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
1.2 stredwic 264: $infoKeys,
265: $infoHeadings,
266: $displayString,
267: 'preformatted');
268:
1.8 stredwic 269: $displayString = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing;
1.2 stredwic 270: $displayString .= '</pre></td>'."\n";
271: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
272: $sequenceKeys,
273: $sequenceHeadings,
274: $displayString,
275: 'preformatted');
276:
277: $Str .= '<td><pre>Total Solved/Total Problems</pre></td>';
278: $Str .= '</tr></table>'."\n";
279:
280: return $Str;
281: }
282:
283: =pod
284:
285: =item &FormatStudentData()
286:
287: First, FormatStudentInformation is called and prefixes the course information.
1.18 matthew 288: This function produces a formatted string of the student\'s course information.
1.2 stredwic 289: Each column of data represents all the problems for a given sequence. For
290: valid grade data, a link is created for that problem to a submission record
291: for that problem.
292:
293: =over 4
294:
295: Input: $name, $studentInformation, $ChartDB
296:
297: $name: The name and domain of the current student in name:domain format
298:
299: $studentInformation: A pointer to an array holding the names used to
300: remove data from the hash. They represent
301: the name of the data to be removed.
302:
303: $ChartDB: The name of the cached data database which will be tied to that
304: database.
305:
306: Output: $Str
307:
1.21 minaeibi 308: $Str: Formatted string that is an entire row of the chart. It is a
1.2 stredwic 309: concatenation of student information and student course information.
310:
311: =back
312:
313: =cut
1.1 stredwic 314:
315: sub StudentReport {
1.2 stredwic 316: my ($cache,$name,$spacing,$showSequences)=@_;
317: my ($username,$domain)=split(':',$name);
1.1 stredwic 318:
319: my $Str = '';
1.8 stredwic 320: if(defined($cache->{$name.':error'})) {
1.10 stredwic 321: return $Str;
1.8 stredwic 322: }
1.1 stredwic 323: if($cache->{$name.':error'} =~ /course/) {
324: $Str .= '<b><font color="blue">No course data for student </font>';
325: $Str .= '<font color="red">'.$username.'.</font></b><br>';
326: return $Str;
327: }
328:
1.10 stredwic 329: my $hasVersion = 'false';
330: my $hasFinalData = 'false';
1.2 stredwic 331: foreach my $sequence (@$showSequences) {
1.10 stredwic 332: my $hasData = 'false';
1.2 stredwic 333: my $characterCount=0;
1.1 stredwic 334: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
335: my $problem = $cache->{$problemID.':problem'};
1.2 stredwic 336: # All grades (except for versionless parts) are displayed as links
337: # to their submission record. Loop through all the parts for the
338: # current problem in the correct order and prepare the output links
339: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
340: ':parts'})) {
1.9 stredwic 341: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
1.10 stredwic 342: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
343: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
1.8 stredwic 344: $Str .= ' ';
1.10 stredwic 345: $characterCount++;
1.8 stredwic 346: next;
1.2 stredwic 347: }
1.10 stredwic 348: $hasVersion = 'true';
349: $hasData = 'true';
1.18 matthew 350: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
351: $Str .= '<a href="/adm/grades?symb=';
352: $Str .= &Apache::lonnet::escape($problem);
353: $Str .= '&student='.$username.'&domain='.$domain;
1.21 minaeibi 354: $Str .= '&command=submission">';
1.18 matthew 355: }
1.8 stredwic 356: my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
357: my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
358: if($code eq '*' && $tries < 10 && $tries ne '') {
359: $code = $tries;
1.2 stredwic 360: }
1.8 stredwic 361: $Str .= $code;
1.18 matthew 362: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
363: $Str .= '</a>';
364: }
1.10 stredwic 365: $characterCount++;
1.2 stredwic 366: }
367: }
368:
369: # Output the number of correct answers for the current sequence.
1.17 minaeibi 370: # This part takes up 6 character slots, but is formated right
371: # justified.
372: my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
373: $spacesNeeded -= 3;
374: $Str .= (' 'x$spacesNeeded);
375:
376: # my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
377: # ':problemsCorrect'});
378:
379: my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
380: ':problemsCorrect'},
381: $characterCount);
382: if($hasData eq 'true') {
383: $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
384: $hasFinalData = 'true';
385: } else {
386: $Str .= '<font color="#007700"> </font>';
387: }
388: $Str .= $spacing;
389: }
390:
391: # Output the total correct problems over the total number of problems.
392: # I don't like this type of formatting, but it is a solution. Need
393: # a way to dynamically determine the space requirements.
394: my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
395: my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
396: if($hasFinalData eq 'true') {
397: $Str .= '<font color="#000088">'.$outputProblemsSolved.
398: ' / '.$outputTotalProblems.'</font>';
399: } else {
400: $Str .= '<font color="#000088"> </font>';
401: }
402:
403: if($hasVersion eq 'false') {
404: $Str = '<b><font color="blue">No course data.</font></b>';
405: }
406:
407: return $Str;
408: }
409:
410:
411: sub StudentAverageTotal {
1.21 minaeibi 412: my ($cache, $students, $sequenceKeys)=@_;
1.23 minaeibi 413: my $Str = "\n<b>Summary Tables:</b>\n";
1.21 minaeibi 414: my %Correct = ();
415: my $ProblemsSolved = 0;
416: my $TotalProblems = 0;
417: my $StudentCount = 0;
418:
419: foreach my $name (@$students) {
420: $StudentCount++;
421: foreach my $sequence (@$sequenceKeys) {
1.23 minaeibi 422: $Correct{$sequence} +=
423: $cache->{$name.':'.$sequence.':problemsCorrect'};
1.17 minaeibi 424: }
1.21 minaeibi 425: $ProblemsSolved += $cache->{$name.':problemsSolved'};
426: $TotalProblems += $cache->{$name.':totalProblems'};
1.1 stredwic 427: }
1.21 minaeibi 428: $ProblemsSolved /= $StudentCount;
429: $TotalProblems /= $StudentCount;
430:
1.24 ! minaeibi 431: $Str .= '<table border=2 cellspacing="1">'."\n";
1.23 minaeibi 432: $Str .= '<tr><td><b>Students Count</b></td><td><b>'.
433: $StudentCount.'</b></td></tr>'."\n";
434: $Str .= '<tr><td><b>Total Problems</b></td><td><b>'.
435: $TotalProblems.'</b></td></tr>'."\n";
436: $Str .= '<tr><td><b>Average Correct</b></td><td><b>'.
437: $ProblemsSolved.'</b></td></tr>'."\n";
438: $Str .= '</table>'."\n";
439:
1.24 ! minaeibi 440: $Str .= '<table border=2 cellspacing="1">'."\n";
1.23 minaeibi 441: $Str .= '<tr><th>Title</th><th>Total Problems</th>'.
442: '<th>Average Correct</th></tr>'."\n";
443: foreach my $S(@$sequenceKeys) {
444: my $title=$cache->{$S.':title'};
445: #$Str .= $cache->{$S.':problems'};
1.24 ! minaeibi 446: #my @problems=split(':', $cache->{$S.':problems'});
1.23 minaeibi 447: #my $pCount=scalar @problems;
448: my $pCount=MaxSeqPr($cache,@$students[0],$S);
449: my $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );
450: $Str .= '<tr><td>'.$title.
451: '</td><td align=center>'.$pCount.
452: '</td><td align=center>'.$crr.
453: '</td></tr>'."\n";
1.10 stredwic 454: }
1.1 stredwic 455:
1.23 minaeibi 456: $Str .= '</table>'."\n";
457:
1.1 stredwic 458: return $Str;
459: }
1.23 minaeibi 460:
461:
462:
463: sub MaxSeqPr {
464: my ($cache, $name, $sequence)=@_;
465: my $prCount=0;
466: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
467: my $problem = $cache->{$problemID.':problem'};
468: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.':parts'})) {
469: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
470: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
471: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
472: $prCount++;
473: next;
474: }
475: $prCount++;
476: }
477: }
478: return $prCount;
479: }
480:
481:
1.1 stredwic 482:
1.17 minaeibi 483:
484:
1.2 stredwic 485: =pod
486:
487: =item &CreateLegend()
488:
489: This function returns a formatted string containing the legend for the
490: chart. The legend describes the symbols used to represent grades for
491: problems.
492:
493: =cut
494:
495: sub CreateLegend {
496: my $Str = "<p><pre>".
1.13 minaeibi 497: " 1 correct by student in 1 try\n".
498: " 7 correct by student in 7 tries\n".
1.12 minaeibi 499: " * correct by student in more than 9 tries\n".
1.20 minaeibi 500: " + correct by hand grading or override\n".
1.12 minaeibi 501: " - incorrect by override\n".
502: " . incorrect attempted\n".
503: " # ungraded attempted\n".
1.13 minaeibi 504: " not attempted (blank field)\n".
1.12 minaeibi 505: " x excused".
1.17 minaeibi 506: "</pre><p>";
1.2 stredwic 507: return $Str;
508: }
509:
510: =pod
511:
512: =item &CreateColumnSelectionBox()
513:
514: If there are columns not being displayed then this selection box is created
1.17 minaeibi 515: with a list of those columns. When selections are made and the page
1.2 stredwic 516: refreshed, the columns will be removed from this box and the column is
517: put back in the chart. If there is no columns to select, no row is added
518: to the interface table.
519:
520: =over 4
521: Input: $CacheData, $headings
522:
523:
524: $CacheData: A pointer to a hash tied to the cached data
525:
1.17 minaeibi 526: $headings: An array of the names of the columns for the student information.
1.2 stredwic 527: They are used for displaying which columns are missing.
528:
529: Output: $notThere
530:
1.17 minaeibi 531: $notThere: The string contains one row of a table. The first column has the
532: name of the selection box. The second contains the selection box
1.2 stredwic 533: which has a size of four.
534:
535: =back
536:
537: =cut
538:
539: sub CreateColumnSelectionBox {
1.4 stredwic 540: my ($doNotShow)=@_;
1.2 stredwic 541:
1.4 stredwic 542: my $notThere = '';
543: $notThere .= '<select name="ReselectColumns" size="4" ';
544: $notThere .= 'multiple="true">'."\n";
545:
546: for(my $index=0; $index<$doNotShow->{'count'}; $index++) {
547: my $name = $doNotShow->{$index.':name'};
548: $notThere .= '<option value="';
549: $notThere .= $doNotShow->{$index.':id'}.'">';
1.2 stredwic 550: $notThere .= $name.'</option>'."\n";
551: }
552:
1.4 stredwic 553: $notThere .= '</select>';
1.2 stredwic 554:
1.4 stredwic 555: return $notThere;
1.2 stredwic 556: }
557:
558: =pod
559:
560: =item &CreateColumnSelectors()
561:
1.17 minaeibi 562: This function generates the checkboxes above the column headings. The
1.2 stredwic 563: column will be removed if the checkbox is unchecked.
564:
565: =over 4
566:
567: Input: $CacheData, $headings
568:
569: $CacheData: A pointer to a hash tied to the cached data
570:
571: $headings: An array of the names of the columns for the student
572: information. They are used to know what are the student information columns
573:
574: Output: $present
575:
576: $present: The string contains the first row of a table. Each column contains
577: a checkbox which is left justified. Currently left justification is used
578: for consistency of location over the column in which it presides.
579:
580: =back
581:
582: =cut
583:
584: sub CreateColumnSelectors {
1.4 stredwic 585: my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
1.2 stredwic 586:
1.4 stredwic 587: my $present = '';
588: for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
1.2 stredwic 589: $present .= '<td align="left">';
590: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 591: $present .= 'name="HeadingColumn'.$infoHeadings->[$index].'" />';
592: $present .= '</td>'."\n";
1.2 stredwic 593: }
594:
1.4 stredwic 595: for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
1.2 stredwic 596: $present .= '<td align="left">';
597: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 598: $present .= 'name="SequenceColumn'.$sequenceKeys->[$index].'" />';
599: $present .= '</td>'."\n";
1.2 stredwic 600: }
601:
1.4 stredwic 602: return $present;
1.2 stredwic 603: }
604:
1.1 stredwic 605: #---- END Student Assessment Web Page ----------------------------------------
1.2 stredwic 606:
607: #---- Student Assessment Worker Functions ------------------------------------
608:
609: sub FindSelectedStudent {
610: my($cache, $selectedName, $students)=@_;
1.3 stredwic 611:
1.17 minaeibi 612: if($selectedName eq 'All Students' ||
1.3 stredwic 613: $selectedName eq 'No Student Selected') {
614: return $selectedName;
615: }
616:
617: for(my $index=0; $index<(scalar @$students); $index++) {
1.2 stredwic 618: my $fullname = $cache->{$students->[$index].':fullname'};
619: if($fullname eq $selectedName) {
620: if($cache->{'StudentAssessmentMove'} eq 'next') {
621: if($index == ((scalar @$students) - 1)) {
622: $selectedName = $students->[0];
1.3 stredwic 623: return $selectedName;
1.2 stredwic 624: } else {
625: $selectedName = $students->[$index+1];
1.3 stredwic 626: return $selectedName;
1.2 stredwic 627: }
628: } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
629: if($index == 0) {
630: $selectedName = $students->[-1];
1.3 stredwic 631: return $selectedName;
1.2 stredwic 632: } else {
633: $selectedName = $students->[$index-1];
1.3 stredwic 634: return $selectedName;
1.2 stredwic 635: }
636: } else {
637: $selectedName = $students->[$index];
1.3 stredwic 638: return $selectedName;
1.2 stredwic 639: }
640: last;
641: }
642: }
643:
1.3 stredwic 644: return 'No Student Selected';
1.2 stredwic 645: }
646:
647: =pod
648:
649: =item &ShouldShowColumn()
650:
651: Determine if a specified column should be shown on the chart.
652:
653: =over 4
654:
655: Input: $cache, $test
656:
657: $cache: A pointer to the hash tied to the cached data
658:
659: $test: The form name of the column (heading.$headingIndex) or
660: (sequence.$sequenceIndex)
661:
662: Output: 0 (false), 1 (true)
663:
664: =back
665:
666: =cut
667:
668: sub ShouldShowColumns {
669: my ($cache,$headings,$cacheKey)=@_;
670:
671: my @infoKeys=();
672: my @infoHeadings=();
673:
674: my @sequenceKeys=();
675: my @sequenceHeadings=();
676:
1.4 stredwic 677: my %doNotShow;
678:
1.2 stredwic 679: my $index;
1.4 stredwic 680: my $count = 0;
681: my $check = '';
1.2 stredwic 682: for($index=0; $index < scalar @$headings; $index++) {
1.4 stredwic 683: $check = 'HeadingColumn'.$headings->[$index];
684: if($cache->{'HeadingsFound'} =~ /$check/) {
685: push(@infoHeadings, $headings->[$index]);
686: push(@infoKeys, $cacheKey->[$index]);
687: } else {
688: $doNotShow{$count.':name'} = $headings->[$index];
689: $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
690: $count++;
691: }
1.2 stredwic 692: }
693:
694: foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
1.4 stredwic 695: $check = 'SequenceColumn'.$sequence;
1.21 minaeibi 696: if($cache->{'SequencesFound'} eq 'All Sequences' ||
1.4 stredwic 697: $cache->{'SequencesFound'} =~ /$check/) {
698: push(@sequenceHeadings, $cache->{$sequence.':title'});
699: push(@sequenceKeys, $sequence);
700: } else {
701: $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
702: $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
703: $count++;
704: }
1.2 stredwic 705: }
706:
1.4 stredwic 707: $doNotShow{'count'} = $count;
1.2 stredwic 708:
1.21 minaeibi 709: return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
1.4 stredwic 710: \@sequenceKeys, \%doNotShow);
1.2 stredwic 711: }
712:
713: #---- END Student Assessment Worker Functions --------------------------------
714:
1.1 stredwic 715: 1;
716: __END__
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