Annotation of loncom/homework/response.pm, revision 1.89
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.89 ! albertel 4: # $Id: response.pm,v 1.88 2003/11/03 21:47:21 albertel Exp $
1.53 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.5 www 28:
1.1 albertel 29: package Apache::response;
30: use strict;
31:
1.57 harris41 32: BEGIN {
1.73 albertel 33: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse'));
1.1 albertel 34: }
35:
1.13 albertel 36: sub start_response {
1.73 albertel 37: my ($parstack,$safeeval)=@_;
38: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
39: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
40: if ($#Apache::inputtags::import > -1) {
41: &Apache::lonxml::debug("Turning :$id: into");
42: $id = join('_',@Apache::inputtags::import).'_'.$id;
43: &Apache::lonxml::debug("New :$id:");
44: }
45: push (@Apache::inputtags::response,$id);
46: push (@Apache::inputtags::responselist,$id);
47: @Apache::inputtags::inputlist=();
48: return $id;
1.13 albertel 49: }
50:
51: sub end_response {
1.79 albertel 52: #pop @Apache::inputtags::response;
1.73 albertel 53: @Apache::inputtags::inputlist=();
54: return '';
1.13 albertel 55: }
56:
1.41 albertel 57: sub start_hintresponse {
1.73 albertel 58: my ($parstack,$safeeval)=@_;
59: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
60: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
61: push (@Apache::inputtags::response,$id);
1.79 albertel 62: push (@Apache::inputtags::responselist,$id);
1.73 albertel 63: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
64: return $id;
1.41 albertel 65: }
66:
67: sub end_hintresponse {
1.73 albertel 68: pop @Apache::inputtags::response;
69: if (defined($Apache::inputtags::paramstack[-1])) {
70: %Apache::inputtags::params=
71: @{ pop(@Apache::inputtags::paramstack) };
72: }
73: return '';
1.41 albertel 74: }
75:
1.38 albertel 76: # used by response to set the non-safe space random number generator to something
77: # that is stable and unique based on the part number and response number
1.26 albertel 78: sub setrandomnumber {
1.73 albertel 79: my $rndseed;
1.88 albertel 80: $rndseed=&Apache::structuretags::setup_rndseed();
81: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 82: &Apache::lonxml::debug("randseed $rndseed");
83: # $rndseed=unpack("%32i",$rndseed);
1.74 albertel 84: my $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
1.73 albertel 85: if (defined($Apache::inputtags::response['-1'])) {
1.88 albertel 86: $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
1.73 albertel 87: }
1.74 albertel 88: if ($rndseed =~/,/) {
1.82 albertel 89: {
90: use integer;
91: my ($num1,$num2)=split(/,/,$rndseed);
92: $num1+=$rndmod;
93: $num2+=$rndmod;
94: $rndseed="$num1,$num2";
95: }
1.74 albertel 96: } else {
97: $rndseed+=$rndmod;
98: }
99: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 100: &Apache::lonxml::debug("randseed $rndseed");
101: return '';
1.26 albertel 102: }
103:
1.7 www 104: sub meta_parameter_write {
1.38 albertel 105: my ($name,$type,$default,$display)=@_;
1.41 albertel 106: my $partref=$Apache::inputtags::part;
107: my $result='<parameter part="'.$Apache::inputtags::part.'"';
108: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 109: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
110: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 111: }
112: $result.= ' name="'.$name.'"'.
113: ' type="'.$type.'"'.
1.89 ! albertel 114: (defined($default)?' default="'.$default.'"':'').
! 115: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 116: .'></parameter>'
117: ."\n";
118: return $result;
1.33 www 119: }
120:
121: sub meta_package_write {
122: my $name=shift;
1.41 albertel 123: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
124: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 125: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 126: }
127: $result.=' package="'.$name.'"></parameter>'."\n";
128: return $result;
1.7 www 129: }
130:
131: sub meta_stores_write {
1.10 www 132: my ($name,$type,$display)=@_;
1.41 albertel 133: my $partref=$Apache::inputtags::part;
134: my $result = '<stores part="'.$Apache::inputtags::part.'"';
135: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 136: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
137: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 138: }
139: $result.= ' name="'.$name.'"'.
140: ' type="'.$type.'"'.
141: ' display="'.$display.' [Part: '.$partref.']"'.
142: "></stores>\n";
1.7 www 143: }
144:
145: sub mandatory_part_meta {
146: #
147: # Autogenerate metadata for mandatory
148: # input (from RAT or lonparmset) and
149: # output (to lonspreadsheet)
150: # of each part
151: #
1.73 albertel 152: return
1.34 www 153: # &meta_parameter_write('opendate','date_start','',
154: # 'Opening Date').
155: # &meta_parameter_write('duedate','date_end','',
156: # 'Due Date').
157: # &meta_parameter_write('answerdate','date_start','',
158: # 'Show Answer Date').
159: # &meta_parameter_write('weight','int_zeropos','',
160: # 'Available Points').
161: # &meta_parameter_write('maxtries','int_pos','',
162: # 'Maximum Number of Tries').
1.73 albertel 163: &meta_package_write('part').
164: &meta_stores_write('solved','string',
165: 'Problem Status').
166: &meta_stores_write('tries','int_zeropos',
167: 'Number of Attempts').
168: &meta_stores_write('awarded','float',
169: 'Partial Credit Factor');
1.7 www 170: #
171: # Note: responseid-specific data 'submission' and 'awarddetail'
172: # not available to spreadsheet -> skip here
173: #
1.86 albertel 174: }
175:
176: sub meta_part_order {
177: if (@Apache::inputtags::partlist) {
178: my @parts=@Apache::inputtags::partlist;
179: shift(@parts);
180: return '<partorder>'.join(',',@parts).'</partorder>';
181: } else {
182: return '<partorder>0</partorder>';
183: }
1.14 albertel 184: }
185:
1.15 albertel 186: sub check_for_previous {
1.73 albertel 187: my ($curresponse,$partid,$id) = @_;
188: my %previous;
189: $previous{'used'} = 0;
190: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
191: if ($key =~ /resource\.$partid\.$id\.submission/) {
192: &Apache::lonxml::debug("Trying $key");
193: my $pastresponse=$Apache::lonhomework::history{$key};
194: if ($pastresponse eq $curresponse) {
195: $previous{'used'} = 1;
196: my $history;
197: if ( $key =~ /^(\d+):/ ) {
198: $history=$1;
199: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
200: $previous{'last'}='0';
201: push(@{ $previous{'version'} },$history);
202: } else {
203: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
204: $previous{'last'}='1';
205: }
206: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
207: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
208: }
1.32 albertel 209: }
1.73 albertel 210: }
211: &Apache::lonhomework::showhash(%previous);
212: return %previous;
1.54 albertel 213: }
214:
215: sub handle_previous {
1.73 albertel 216: my ($previous,$ad)=@_;
217: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
218: if ($$previous{'last'}) {
219: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
220: } else {
221: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
222: }
223: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.54 albertel 224: }
1.44 albertel 225: }
226:
1.45 albertel 227: sub view_or_modify {
1.73 albertel 228: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
229: my $myself=0;
230: if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
231: $myself=1;
232: }
233: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
234: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
235: if ($mgr) { return "M"; }
236: if ($vgr) { return "V"; }
237: if ($myself) { return "V"; }
238: return '';
1.45 albertel 239: }
240:
1.44 albertel 241: sub start_dataresponse {
1.73 albertel 242: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
243: my $id = &Apache::response::start_response($parstack,$safeeval);
244: my $result;
245: if ($target eq 'web') {
246: $result = $token->[2]->{'display'}.':';
247: } elsif ($target eq 'meta') {
248: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
249: $token->[2]->{'type'},
250: $token->[2]->{'display'});
251: $result .= &Apache::response::meta_package_write('dataresponse');
252: }
253: return $result;
1.44 albertel 254: }
255:
256: sub end_dataresponse {
1.73 albertel 257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
258: my $result;
259: if ( $target eq 'web' ) {
260: } elsif ($target eq 'grade' ) {
261: if ( defined $ENV{'form.submitted'}) {
262: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
263: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
264: if ($allowed) {
265: &Apache::response::setup_params('dataresponse');
266: my $partid = $Apache::inputtags::part;
267: my $id = $Apache::inputtags::response['-1'];
268: my $response = $ENV{'form.HWVAL_'.$id};
269: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
270: if ( $response =~ /[^\s]/) {
271: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
272: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
273: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
274: }
275: } else {
276: $result='Not Permitted to change values.'
277: }
1.45 albertel 278: }
1.73 albertel 279: }
280: &Apache::response::end_response;
281: return $result;
1.3 albertel 282: }
283:
1.83 albertel 284: sub decide_package {
285: my ($tagstack)=@_;
286: my $package;
287: if ($$tagstack[-1] eq 'parameter') {
288: $package='part';
289: } else {
290: my $i=-1;
291: while (defined($$tagstack[$i])) {
292: if ($$tagstack[$i] =~ /(response|hint)$/) {
293: $package=$$tagstack[$i];
294: last;
295: }
296: $i--;
297: }
298: }
299: return $package;
300: }
301:
1.3 albertel 302: sub start_responseparam {
1.73 albertel 303: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
304: my $result='';
305: if ($target eq 'meta') {
306: $result = &meta_parameter_write($token->[2]->{'name'},
307: $token->[2]->{'type'},
308: $token->[2]->{'default'},
309: $token->[2]->{'description'});
310: } elsif ($target eq 'edit') {
311: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 312: my $optionlist;
313: my $package=&decide_package($tagstack);
314: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
315: if ($key =~ /^\Q$package\E&(.*)&display$/) {
316: $optionlist.='<option value="'.$1.'">'.
317: $Apache::lonnet::packagetab{$key}.'</option>';
318: }
319: }
320: if (defined($optionlist)) {
321: $result.='Use template: <select name="'.
322: &Apache::edit::html_element_name('parameter_package').'">'.
323: '<option value=""></option>'.$optionlist.'</select><br />';
324: }
1.73 albertel 325: $result.=&Apache::edit::text_arg('Name:','name',$token).
326: &Apache::edit::text_arg('Type:','type',$token).
327: &Apache::edit::text_arg('Description:','description',$token).
328: &Apache::edit::text_arg('Default:','default',$token).
329: "</td></tr>";
330: $result.=&Apache::edit::end_table;
331: } elsif ($target eq 'modified') {
1.83 albertel 332: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
333: $safeeval,'name','type',
334: 'description','default');
335: my $element=&Apache::edit::html_element_name('parameter_package');
336: if (defined($ENV{"form.$element"}) && $ENV{"form.$element"} ne '') {
337: my $name=$ENV{"form.$element"};
338: my $tag=&decide_package($tagstack);
339: $token->[2]->{'name'}=$name;
340: $token->[2]->{'type'}=
341: $Apache::lonnet::packagetab{"$tag&$name&type"};
342: $token->[2]->{'description'}=
343: $Apache::lonnet::packagetab{"$tag&$name&display"};
344: $token->[2]->{'default'}=
345: $Apache::lonnet::packagetab{"$tag&$name&default"};
346: $constructtag=1;
347: }
1.73 albertel 348: if ($constructtag) {
349: $result = &Apache::edit::rebuild_tag($token);
350: $result.=&Apache::edit::handle_insert();
351: }
352: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
353: $target eq 'tex' || $target eq 'analyze' ) {
354: if ($ENV{'request.state'} eq 'construct') {
355: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
356: my $default=&Apache::lonxml::get_param('default',$parstack,
357: $safeeval);
358: if ($name) {$Apache::inputtags::params{$name}=$default;}
359: }
1.52 albertel 360: }
1.73 albertel 361: return $result;
1.3 albertel 362: }
363:
364: sub end_responseparam {
1.73 albertel 365: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
366: if ($target eq 'edit') { return ('','no'); }
367: return '';
1.55 albertel 368: }
369:
370: sub start_parameter {
1.73 albertel 371: my $result = &start_responseparam(@_);
372: return $result;
1.55 albertel 373: }
374:
375: sub end_parameter {
1.73 albertel 376: my $result = &end_responseparam(@_);
377: return $result;
1.42 albertel 378: }
379:
1.67 albertel 380: sub reset_params {
381: %Apache::inputtags::params=();
382: }
383:
1.42 albertel 384: sub setup_params {
1.73 albertel 385: my ($tag) = @_;
1.42 albertel 386:
1.73 albertel 387: if ($ENV{'request.state'} eq 'construct') { return; }
388: my %paramlist=();
389: foreach my $key (keys(%Apache::lonnet::packagetab)) {
390: if ($key =~ /^$tag/) {
391: my ($package,$name) = split(/&/,$key);
392: $paramlist{$name}=1;
393: }
1.42 albertel 394: }
1.73 albertel 395: foreach my $key (keys(%paramlist)) {
396: my $entry= 'resource.'.$Apache::inputtags::part;
397: if (defined($Apache::inputtags::response[-1])) {
398: $entry.='_'.$Apache::inputtags::response[-1];
399: }
400: $entry.='.'.$key;
401: &Apache::lonxml::debug("looking for $entry");
402: my $value = &Apache::lonnet::EXT("$entry");
403: &Apache::lonxml::debug("$key has value :$value:");
404: if ($value eq 'con_lost' || $value =~ /^error:/) {
405: &Apache::lonxml::debug("using nothing");
406: $Apache::inputtags::params{$key}='';
407: } else {
408: &Apache::lonxml::debug("using value");
409: $Apache::inputtags::params{$key}=$value;
410: }
1.42 albertel 411: }
1.48 albertel 412: }
413:
414: sub answer_header {
1.73 albertel 415: my ($type) = @_;
416: my $result;
1.77 albertel 417: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.84 sakharuk 418: $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
419: $Apache::inputtags::part.'| \\\\ \hline ';
1.73 albertel 420: } else {
1.80 albertel 421: $result = '<table border="1"><tr><td>Answer for Part:'.
422: $Apache::inputtags::part. '</td>'."\n";
1.73 albertel 423: }
424: return $result;
1.48 albertel 425: }
426:
427: sub answer_part {
1.73 albertel 428: my ($type,$answer) = @_;
429: my $result;
1.77 albertel 430: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.81 sakharuk 431: $result = ' \verb|'.$answer.'|\\\\ \hline ';
1.73 albertel 432: } else {
1.80 albertel 433: $result = '<td>'.$answer.'</td>';
1.73 albertel 434: }
435: return $result;
1.48 albertel 436: }
437:
438: sub answer_footer {
1.73 albertel 439: my ($type) = @_;
440: my $result;
1.77 albertel 441: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.75 sakharuk 442: $result = ' \end{tabular} \vskip 0 mm ';
1.73 albertel 443: } else {
1.80 albertel 444: $result = '</tr></table>';
1.73 albertel 445: }
446: return $result;
1.1 albertel 447: }
1.2 albertel 448:
1.62 albertel 449: sub showallfoils {
1.73 albertel 450: my $return=0;
451: if (defined($ENV{'form.showallfoils'}) &&
452: $ENV{'request.state'} eq 'construct') {
453: $return=1;
454: }
455: return $return;
1.70 albertel 456: }
457:
458: sub getresponse {
459: my ($temp)=@_;
460: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
461: my $response;
462: if (!defined($temp)) {
463: $temp=1;
464: } else {
465: $formparm.=":$temp";
466: }
467: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
468: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
469: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
470: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
471: if ($ENV{'form.submitted'} eq 'scantron') {
1.71 albertel 472: my $part = $Apache::inputtags::part;
473: my $id = $Apache::inputtags::response[-1];
1.70 albertel 474: $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
475: '.answer'};
1.71 albertel 476: # save bubbled letter for later
477: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
478: $response;
1.70 albertel 479: $response = $let_to_num{$response};
480: } else {
481: $response = $ENV{$formparm};
482: }
483: return $response;
1.62 albertel 484: }
1.71 albertel 485:
486: sub repetition {
487: my $id = $Apache::inputtags::part;
488: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
489: my $repetition = int $weight/9;
490: if ($weight % 9 != 0) {$repetition++;}
1.72 albertel 491: return $repetition;
492: }
493:
494: sub scored_response {
495: my ($part,$id)=@_;
496: my $repetition=&repetition();
497: my $score=0;
498: for (my $i=0;$i<$repetition;$i++) {
499: my $increase=&Apache::response::getresponse($i+1);
500: if ($increase ne '') { $score+=$increase+1; }
501: }
502: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
503: my $pcr=$score/$weight;
504: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
505: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
506: 'ASSIGNED_SCORE';
1.71 albertel 507: return $repetition;
1.78 albertel 508: }
509:
510: sub whichorder {
511: my ($max,$randomize,$showall,$hash)=@_;
512: #&Apache::lonxml::debug("man $max randomize $randomize");
513: if (!defined(@{ $$hash{'names'} })) { return; }
514: my @names = @{ $$hash{'names'} };
515: my @whichopt =();
516: my (%top,@toplist,%bottom,@bottomlist);
517: if (!($showall || ($randomize eq 'no'))) {
518: my $current=0;
519: foreach my $name (@names) {
520: $current++;
521: if ($$hash{"$name.location"} eq 'top') {
522: $top{$name}=$current;
523: } elsif ($$hash{"$name.location"} eq 'bottom') {
524: $bottom{$name}=$current;
525: }
526: }
527: }
528: my $topcount=0;
529: my $bottomcount=0;
530: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
531: && ($#names > -1)) {
532: #&Apache::lonxml::debug("Have $#whichopt max is $max");
533: my $aopt;
534: if ($showall || ($randomize eq 'no')) {
535: $aopt=0;
536: } else {
537: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
538: }
539: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
540: $aopt=splice(@names,$aopt,1);
541: #&Apache::lonxml::debug("Picked $aopt");
542: if ($top{$aopt}) {
543: $toplist[$top{$aopt}]=$aopt;
544: $topcount++;
545: } elsif ($bottom{$aopt}) {
546: $bottomlist[$bottom{$aopt}]=$aopt;
547: $bottomcount++;
548: } else {
549: push (@whichopt,$aopt);
550: }
551: }
552: for (my $i=0;$i<=$#toplist;$i++) {
553: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
554: }
555: for (my $i=0;$i<=$#bottomlist;$i++) {
556: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
557: }
558: return @whichopt;
1.71 albertel 559: }
560:
1.85 albertel 561: sub show_answer {
562: my $part = $Apache::inputtags::part;
563: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
564: my $status = $Apache::inputtags::status[-1];
565: return ( ($award =~ /^correct/
566: && lc($Apache::lonhomework::problemstatus) ne 'no')
567: || $status eq "SHOW_ANSWER");
568: }
1.87 albertel 569:
570: sub analyze_store_foilgroup {
571: my ($shown,$attrs)=@_;
572: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
573: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
574: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
575: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
576: foreach my $attr (@$attrs) {
577: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
578: $Apache::response::foilgroup{"$name.".$attr};
579: }
580: }
581: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
582: }
583:
584: sub pick_foil_for_concept {
585: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
586: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
587: my @names = @{ $Apache::response::conceptgroup{'names'} };
588: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
589: my $name=$names[$pick];
590: push @{ $Apache::response::foilgroup{'names'} }, $name;
591: foreach my $attr (@$attrs) {
592: $Apache::response::foilgroup{"$name.".$attr} =
593: $Apache::response::conceptgroup{"$name.".$attr};
594: }
595: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
596: $Apache::response::foilgroup{"$name.concept"} = $concept;
597: &Apache::lonxml::debug("Selecting $name in $concept");
598: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
599: if ($target eq 'analyze') {
600: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
601: $concept);
602: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
603: $Apache::response::conceptgroup{'names'};
604: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
605: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
606: $name);
607: foreach my $attr (@$attrs) {
608: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
609: $Apache::response::conceptgroup{"$name.$attr"};
610: }
611: }
612: }
613: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
614: $hinthash->{"$part_id.concept.$concept"}=
615: $Apache::response::conceptgroup{'names'};
616:
617: }
618:
619:
1.1 albertel 620: 1;
621: __END__
1.38 albertel 622:
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