Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.20
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: # (Publication Handler
3: #
1.20 ! minaeibi 4: # $Id: lonstudentassessment.pm,v 1.19 2002/12/06 21:11:48 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
33: # 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei
34: #
35: ###
36:
37: package Apache::lonstudentassessment;
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,
80: $doNotShow) =
81: &ShouldShowColumns(\%cache, $headings, $studentInformation);
1.3 stredwic 82:
1.2 stredwic 83: my $selectedName = &FindSelectedStudent(\%cache,
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;
1.2 stredwic 104: $r->print('<pre>'."\n");
1.1 stredwic 105: foreach (@$students) {
1.8 stredwic 106: if($c->aborted()) { return $Str; }
1.17 minaeibi 107: next if ($_ ne $selectedName &&
1.1 stredwic 108: $selectedName ne 'All Students');
109: $selected = 1;
1.2 stredwic 110:
1.8 stredwic 111: my @who = ($_);
1.17 minaeibi 112: next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
113: $cacheDB, 'true',
1.8 stredwic 114: 'false', $courseID,
115: $r, $c) ne 'OK');
1.6 stredwic 116: next if($c->aborted());
1.2 stredwic 117:
1.6 stredwic 118: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.8 stredwic 119: my @before=();
120: my @after=();
121: my @updateColumn=();
122: my $foundUpdate = 0;
123: foreach(@$infoKeys) {
124: if(/updateTime/) {
125: $foundUpdate=1;
126: push(@updateColumn, $_);
127: next;
128: }
129: if($foundUpdate) {
130: push(@after, $_);
131: } else {
132: push(@before, $_);
133: }
134: }
1.2 stredwic 135: my $displayString = 'DISPLAYDATA'.$spacing;
136: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
137: \%cache, $_,
1.8 stredwic 138: \@before,
139: $displayString,
140: 'preformatted'));
141:
142: if($foundUpdate) {
143: $displayString = '';
144: $displayString .= '<a href="/adm/statistics?reportSelected=';
145: $displayString .= &Apache::lonnet::escape('Student Assessment');
146: $displayString .= '&download='.$_.'">';
147: $displayString .= 'DISPLAYDATA</a>'.$spacing;
148: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
149: \%cache, $_,
150: \@updateColumn,
151: $displayString,
152: 'preformatted'));
153: }
154:
155: $displayString = 'DISPLAYDATA'.$spacing;
156: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
157: \%cache, $_,
158: \@after,
1.2 stredwic 159: $displayString,
160: 'preformatted'));
161: $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
162: $r->print("\n");
1.7 stredwic 163: $r->rflush();
1.1 stredwic 164: untie(%cache);
165: }
166: }
1.16 minaeibi 167:
168:
1.17 minaeibi 169: # $r->print("AverageTtal");
1.19 minaeibi 170: # $r->print(&StudentAverageTotal(\%cache, $spacing, $sequenceKeys));
171: # $r->print("\n");
172: # $r->rflush();
1.16 minaeibi 173: untie(%cache);
174:
175:
1.2 stredwic 176: $r->print('</pre>'."\n");
1.1 stredwic 177: if($selected == 0) {
1.4 stredwic 178: $Str .= '<h3><font color=blue>WARNING: ';
179: $Str .= 'Please select a student</font></h3>';
180: $r->print($Str);
1.1 stredwic 181: }
182:
1.2 stredwic 183: return;
184: }
185:
186: #---- Student Assessment Web Page --------------------------------------------
187:
188: sub CreateInterface {
1.4 stredwic 189: my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
190:
191: my $Str = '';
192: $Str .= &CreateLegend();
193: $Str .= '<table><tr><td>'."\n";
194: $Str .= '<input type="submit" name="PreviousStudent" ';
195: $Str .= 'value="Previous Student" />'."\n";
196: $Str .= '   '."\n";
1.17 minaeibi 197: $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,
1.2 stredwic 198: $selectedName,
199: 'StudentAssessment',
200: $formName);
1.4 stredwic 201: $Str .= "\n".'   '."\n";
202: $Str .= '<input type="submit" name="NextStudent" ';
203: $Str .= 'value="Next Student" />'."\n";
204: $Str .= '</td></tr></table>'."\n";
205: $Str .= '<table cellspacing="5"><tr>'."\n";
206: $Str .= '<td align="center"><b>Select Sections</b>'."\n";
207: $Str .= '</td>'."\n";
208: $Str .= '<td align="center"><b>Select column to view:</b></td>'."\n";
209: $Str .= '<td></td></tr>'."\n";
1.3 stredwic 210:
1.4 stredwic 211: $Str .= '<tr><td align="center">'."\n";
1.3 stredwic 212: my @sections = split(':',$cache->{'sectionList'});
213: my @selectedSections = split(':',$cache->{'sectionsSelected'});
1.4 stredwic 214: $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
1.3 stredwic 215: \@selectedSections,
216: 'Statistics');
1.4 stredwic 217: $Str .= '</td><td align="center">';
218: $Str .= &CreateColumnSelectionBox($doNotShow);
219: $Str .= '</td><td>'."\n";
220: $Str .= '<input type="submit" name="DefaultColumns" ';
221: $Str .= 'value="Default Column Display" />'."\n";
1.18 matthew 222: $Str .= '</td><td>'."\n";
223: $Str .= '<input type="submit" name="displaymode" ';
224: if (! exists($ENV{'form.displaymode'}) ||
225: lc($ENV{'form.displaymode'}) eq 'display with links') {
226: $Str .= 'value="Display without links" />';
227: # Set the current value, in case it is undefined
228: $ENV{'form.displaymode'} = 'Display with links';
229: } else {
230: $Str .= 'value="Display with links" />';
231: }
232: $Str .= "\n";
1.4 stredwic 233: $Str .= '</td></tr></table>'."\n";
1.2 stredwic 234:
1.4 stredwic 235: return $Str;
1.1 stredwic 236: }
237:
1.2 stredwic 238: sub CreateTableHeadings {
239: my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
240: $sequenceHeadings)=@_;
241:
242: my $Str = '';
1.4 stredwic 243: $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";
244:
245: $Str .= '<tr>'."\n";
246: $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,
247: $sequenceKeys);
248: $Str .= '<td></td></tr>'."\n";
1.2 stredwic 249:
1.4 stredwic 250: $Str .= '<tr>'."\n";
1.2 stredwic 251: my $displayString = '<td align="left"><pre><a href="/adm/statistics?';
252: $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';
253: $displayString .= $spacing.'</pre></td>'."\n";
1.17 minaeibi 254: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
1.2 stredwic 255: $infoKeys,
256: $infoHeadings,
257: $displayString,
258: 'preformatted');
259:
1.8 stredwic 260: $displayString = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing;
1.2 stredwic 261: $displayString .= '</pre></td>'."\n";
262: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
263: $sequenceKeys,
264: $sequenceHeadings,
265: $displayString,
266: 'preformatted');
267:
268: $Str .= '<td><pre>Total Solved/Total Problems</pre></td>';
269: $Str .= '</tr></table>'."\n";
270:
271: return $Str;
272: }
273:
274: =pod
275:
276: =item &FormatStudentData()
277:
278: First, FormatStudentInformation is called and prefixes the course information.
1.18 matthew 279: This function produces a formatted string of the student\'s course information.
1.2 stredwic 280: Each column of data represents all the problems for a given sequence. For
281: valid grade data, a link is created for that problem to a submission record
282: for that problem.
283:
284: =over 4
285:
286: Input: $name, $studentInformation, $ChartDB
287:
288: $name: The name and domain of the current student in name:domain format
289:
290: $studentInformation: A pointer to an array holding the names used to
291: remove data from the hash. They represent
292: the name of the data to be removed.
293:
294: $ChartDB: The name of the cached data database which will be tied to that
295: database.
296:
297: Output: $Str
298:
299: $Str: Formatted string that is an entire row of the chart. It is a
300: concatenation of student information and student course information.
301:
302: =back
303:
304: =cut
1.1 stredwic 305:
306: sub StudentReport {
1.2 stredwic 307: my ($cache,$name,$spacing,$showSequences)=@_;
308: my ($username,$domain)=split(':',$name);
1.1 stredwic 309:
310: my $Str = '';
1.8 stredwic 311: if(defined($cache->{$name.':error'})) {
1.10 stredwic 312: return $Str;
1.8 stredwic 313: }
1.1 stredwic 314: if($cache->{$name.':error'} =~ /course/) {
315: $Str .= '<b><font color="blue">No course data for student </font>';
316: $Str .= '<font color="red">'.$username.'.</font></b><br>';
317: return $Str;
318: }
319:
1.10 stredwic 320: my $hasVersion = 'false';
321: my $hasFinalData = 'false';
1.2 stredwic 322: foreach my $sequence (@$showSequences) {
1.10 stredwic 323: my $hasData = 'false';
1.2 stredwic 324: my $characterCount=0;
1.1 stredwic 325: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
326: my $problem = $cache->{$problemID.':problem'};
1.2 stredwic 327: # All grades (except for versionless parts) are displayed as links
328: # to their submission record. Loop through all the parts for the
329: # current problem in the correct order and prepare the output links
330: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
331: ':parts'})) {
1.9 stredwic 332: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
1.10 stredwic 333: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
334: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
1.8 stredwic 335: $Str .= ' ';
1.10 stredwic 336: $characterCount++;
1.8 stredwic 337: next;
1.2 stredwic 338: }
1.10 stredwic 339: $hasVersion = 'true';
340: $hasData = 'true';
1.18 matthew 341: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
342: $Str .= '<a href="/adm/grades?symb=';
343: $Str .= &Apache::lonnet::escape($problem);
344: $Str .= '&student='.$username.'&domain='.$domain;
345: $Str .= '&command=submission">';
346: }
1.8 stredwic 347: my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
348: my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
349: if($code eq '*' && $tries < 10 && $tries ne '') {
350: $code = $tries;
1.2 stredwic 351: }
1.8 stredwic 352: $Str .= $code;
1.18 matthew 353: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
354: $Str .= '</a>';
355: }
1.10 stredwic 356: $characterCount++;
1.2 stredwic 357: }
358: }
359:
360: # Output the number of correct answers for the current sequence.
1.17 minaeibi 361: # This part takes up 6 character slots, but is formated right
362: # justified.
363: my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
364: $spacesNeeded -= 3;
365: $Str .= (' 'x$spacesNeeded);
366:
367: # my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
368: # ':problemsCorrect'});
369:
370: my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
371: ':problemsCorrect'},
372: $characterCount);
373: if($hasData eq 'true') {
374: $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
375: $hasFinalData = 'true';
376: } else {
377: $Str .= '<font color="#007700"> </font>';
378: }
379: $Str .= $spacing;
380: }
381:
382: # Output the total correct problems over the total number of problems.
383: # I don't like this type of formatting, but it is a solution. Need
384: # a way to dynamically determine the space requirements.
385: my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
386: my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
387: if($hasFinalData eq 'true') {
388: $Str .= '<font color="#000088">'.$outputProblemsSolved.
389: ' / '.$outputTotalProblems.'</font>';
390: } else {
391: $Str .= '<font color="#000088"> </font>';
392: }
393:
394: if($hasVersion eq 'false') {
395: $Str = '<b><font color="blue">No course data.</font></b>';
396: }
397:
398: return $Str;
399: }
400:
401:
402: sub StudentAverageTotal {
403:
404: return "";
405:
406: my ($cache,$name,$spacing,$showSequences)=@_;
407: my $username = $name;
408: my $Str = '';
409: my $hasVersion = 'false';
410: my $hasFinalData = 'false';
411: foreach my $sequence (@$showSequences) {
412: my $hasData = 'false';
413: my $characterCount=0;
414: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
415: my $problem = $cache->{$problemID.':problem'};
416: # All grades (except for versionless parts) are displayed as links
417: # to their submission record. Loop through all the parts for the
418: # current problem in the correct order and prepare the output links
419: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
420: ':parts'})) {
421: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
422: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
423: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
424: $Str .= ' ';
425: $characterCount++;
426: next;
427: }
428: $hasVersion = 'true';
429: $hasData = 'true';
430: $Str .= '<a href="/adm/grades?symb=';
431: $Str .= &Apache::lonnet::escape($problem);
432: $Str .= '&student= Average &domain= Total';
433: $Str .= '&command=submission">';
434: my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
435: my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
436: if($code eq '*' && $tries < 10 && $tries ne '') {
437: $code = $tries;
438: }
439: $Str .= $code;
440: $Str .= '</a>';
441: $characterCount++;
442: }
443: }
444:
445: # Output the number of correct answers for the current sequence.
446: # This part takes up 6 character slots, but is formated right
1.2 stredwic 447: # justified.
448: my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
449: $spacesNeeded -= 3;
450: $Str .= (' 'x$spacesNeeded);
451:
1.15 minaeibi 452: # my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
453: # ':problemsCorrect'});
1.14 minaeibi 454:
1.15 minaeibi 455: my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
1.17 minaeibi 456: ':problemsCorrect'},
1.15 minaeibi 457: $characterCount);
1.10 stredwic 458: if($hasData eq 'true') {
459: $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
460: $hasFinalData = 'true';
461: } else {
1.15 minaeibi 462: $Str .= '<font color="#007700"> </font>';
1.10 stredwic 463: }
1.2 stredwic 464: $Str .= $spacing;
1.1 stredwic 465: }
466:
1.2 stredwic 467: # Output the total correct problems over the total number of problems.
468: # I don't like this type of formatting, but it is a solution. Need
469: # a way to dynamically determine the space requirements.
1.8 stredwic 470: my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
471: my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
1.10 stredwic 472: if($hasFinalData eq 'true') {
473: $Str .= '<font color="#000088">'.$outputProblemsSolved.
1.2 stredwic 474: ' / '.$outputTotalProblems.'</font>';
1.10 stredwic 475: } else {
476: $Str .= '<font color="#000088"> </font>';
477: }
478:
479: if($hasVersion eq 'false') {
480: $Str = '<b><font color="blue">No course data.</font></b>';
481: }
1.1 stredwic 482:
483: return $Str;
484: }
485:
1.17 minaeibi 486:
487:
1.2 stredwic 488: =pod
489:
490: =item &CreateLegend()
491:
492: This function returns a formatted string containing the legend for the
493: chart. The legend describes the symbols used to represent grades for
494: problems.
495:
496: =cut
497:
498: sub CreateLegend {
499: my $Str = "<p><pre>".
1.13 minaeibi 500: " 1 correct by student in 1 try\n".
501: " 7 correct by student in 7 tries\n".
1.12 minaeibi 502: " * correct by student in more than 9 tries\n".
1.20 ! minaeibi 503: " + correct by hand grading or override\n".
1.12 minaeibi 504: " - incorrect by override\n".
505: " . incorrect attempted\n".
506: " # ungraded attempted\n".
1.13 minaeibi 507: " not attempted (blank field)\n".
1.12 minaeibi 508: " x excused".
1.17 minaeibi 509: "</pre><p>";
1.2 stredwic 510: return $Str;
511: }
512:
513: =pod
514:
515: =item &CreateColumnSelectionBox()
516:
517: If there are columns not being displayed then this selection box is created
1.17 minaeibi 518: with a list of those columns. When selections are made and the page
1.2 stredwic 519: refreshed, the columns will be removed from this box and the column is
520: put back in the chart. If there is no columns to select, no row is added
521: to the interface table.
522:
523: =over 4
524: Input: $CacheData, $headings
525:
526:
527: $CacheData: A pointer to a hash tied to the cached data
528:
1.17 minaeibi 529: $headings: An array of the names of the columns for the student information.
1.2 stredwic 530: They are used for displaying which columns are missing.
531:
532: Output: $notThere
533:
1.17 minaeibi 534: $notThere: The string contains one row of a table. The first column has the
535: name of the selection box. The second contains the selection box
1.2 stredwic 536: which has a size of four.
537:
538: =back
539:
540: =cut
541:
542: sub CreateColumnSelectionBox {
1.4 stredwic 543: my ($doNotShow)=@_;
1.2 stredwic 544:
1.4 stredwic 545: my $notThere = '';
546: $notThere .= '<select name="ReselectColumns" size="4" ';
547: $notThere .= 'multiple="true">'."\n";
548:
549: for(my $index=0; $index<$doNotShow->{'count'}; $index++) {
550: my $name = $doNotShow->{$index.':name'};
551: $notThere .= '<option value="';
552: $notThere .= $doNotShow->{$index.':id'}.'">';
1.2 stredwic 553: $notThere .= $name.'</option>'."\n";
554: }
555:
1.4 stredwic 556: $notThere .= '</select>';
1.2 stredwic 557:
1.4 stredwic 558: return $notThere;
1.2 stredwic 559: }
560:
561: =pod
562:
563: =item &CreateColumnSelectors()
564:
1.17 minaeibi 565: This function generates the checkboxes above the column headings. The
1.2 stredwic 566: column will be removed if the checkbox is unchecked.
567:
568: =over 4
569:
570: Input: $CacheData, $headings
571:
572: $CacheData: A pointer to a hash tied to the cached data
573:
574: $headings: An array of the names of the columns for the student
575: information. They are used to know what are the student information columns
576:
577: Output: $present
578:
579: $present: The string contains the first row of a table. Each column contains
580: a checkbox which is left justified. Currently left justification is used
581: for consistency of location over the column in which it presides.
582:
583: =back
584:
585: =cut
586:
587: sub CreateColumnSelectors {
1.4 stredwic 588: my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
1.2 stredwic 589:
1.4 stredwic 590: my $present = '';
591: for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
1.2 stredwic 592: $present .= '<td align="left">';
593: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 594: $present .= 'name="HeadingColumn'.$infoHeadings->[$index].'" />';
595: $present .= '</td>'."\n";
1.2 stredwic 596: }
597:
1.4 stredwic 598: for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
1.2 stredwic 599: $present .= '<td align="left">';
600: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 601: $present .= 'name="SequenceColumn'.$sequenceKeys->[$index].'" />';
602: $present .= '</td>'."\n";
1.2 stredwic 603: }
604:
1.4 stredwic 605: return $present;
1.2 stredwic 606: }
607:
1.1 stredwic 608: #---- END Student Assessment Web Page ----------------------------------------
1.2 stredwic 609:
610: #---- Student Assessment Worker Functions ------------------------------------
611:
612: sub FindSelectedStudent {
613: my($cache, $selectedName, $students)=@_;
1.3 stredwic 614:
1.17 minaeibi 615: if($selectedName eq 'All Students' ||
1.3 stredwic 616: $selectedName eq 'No Student Selected') {
617: return $selectedName;
618: }
619:
620: for(my $index=0; $index<(scalar @$students); $index++) {
1.2 stredwic 621: my $fullname = $cache->{$students->[$index].':fullname'};
622: if($fullname eq $selectedName) {
623: if($cache->{'StudentAssessmentMove'} eq 'next') {
624: if($index == ((scalar @$students) - 1)) {
625: $selectedName = $students->[0];
1.3 stredwic 626: return $selectedName;
1.2 stredwic 627: } else {
628: $selectedName = $students->[$index+1];
1.3 stredwic 629: return $selectedName;
1.2 stredwic 630: }
631: } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
632: if($index == 0) {
633: $selectedName = $students->[-1];
1.3 stredwic 634: return $selectedName;
1.2 stredwic 635: } else {
636: $selectedName = $students->[$index-1];
1.3 stredwic 637: return $selectedName;
1.2 stredwic 638: }
639: } else {
640: $selectedName = $students->[$index];
1.3 stredwic 641: return $selectedName;
1.2 stredwic 642: }
643: last;
644: }
645: }
646:
1.3 stredwic 647: return 'No Student Selected';
1.2 stredwic 648: }
649:
650: =pod
651:
652: =item &ShouldShowColumn()
653:
654: Determine if a specified column should be shown on the chart.
655:
656: =over 4
657:
658: Input: $cache, $test
659:
660: $cache: A pointer to the hash tied to the cached data
661:
662: $test: The form name of the column (heading.$headingIndex) or
663: (sequence.$sequenceIndex)
664:
665: Output: 0 (false), 1 (true)
666:
667: =back
668:
669: =cut
670:
671: sub ShouldShowColumns {
672: my ($cache,$headings,$cacheKey)=@_;
673:
674: my @infoKeys=();
675: my @infoHeadings=();
676:
677: my @sequenceKeys=();
678: my @sequenceHeadings=();
679:
1.4 stredwic 680: my %doNotShow;
681:
1.2 stredwic 682: my $index;
1.4 stredwic 683: my $count = 0;
684: my $check = '';
1.2 stredwic 685: for($index=0; $index < scalar @$headings; $index++) {
1.4 stredwic 686: $check = 'HeadingColumn'.$headings->[$index];
687: if($cache->{'HeadingsFound'} =~ /$check/) {
688: push(@infoHeadings, $headings->[$index]);
689: push(@infoKeys, $cacheKey->[$index]);
690: } else {
691: $doNotShow{$count.':name'} = $headings->[$index];
692: $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
693: $count++;
694: }
1.2 stredwic 695: }
696:
697: foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
1.4 stredwic 698: $check = 'SequenceColumn'.$sequence;
699: if($cache->{'SequencesFound'} eq 'All Sequences' ||
700: $cache->{'SequencesFound'} =~ /$check/) {
701: push(@sequenceHeadings, $cache->{$sequence.':title'});
702: push(@sequenceKeys, $sequence);
703: } else {
704: $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
705: $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
706: $count++;
707: }
1.2 stredwic 708: }
709:
1.4 stredwic 710: $doNotShow{'count'} = $count;
1.2 stredwic 711:
712: return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
1.4 stredwic 713: \@sequenceKeys, \%doNotShow);
1.2 stredwic 714: }
715:
716: #---- END Student Assessment Worker Functions --------------------------------
717:
1.1 stredwic 718: 1;
719: __END__
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