Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.205
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.205 ! www 4: # $Id: caparesponse.pm,v 1.204 2006/12/19 00:49:53 albertel Exp $
1.47 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: #
1.3 albertel 28:
29: package Apache::caparesponse;
30: use strict;
1.4 albertel 31: use capa;
1.190 albertel 32: use Safe::Hole;
33: use Apache::lonmaxima();
1.129 www 34: use Apache::lonlocal;
1.166 albertel 35: use Apache::lonnet;
1.202 www 36: use Apache::response();
1.194 albertel 37: use Storable qw(dclone);
1.3 albertel 38:
1.50 harris41 39: BEGIN {
1.194 albertel 40: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3 albertel 41: }
42:
1.181 albertel 43: my %answer;
1.204 albertel 44: my @answers;
1.203 albertel 45: sub get_answer { return %answer; };
1.204 albertel 46: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
47: sub pop_answer { %answer = %{pop(@answers)}; };
1.203 albertel 48:
1.181 albertel 49: my $cur_name;
1.195 albertel 50: my $tag_internal_answer_name = 'INTERNAL';
51:
1.181 albertel 52: sub start_answer {
53: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
54: my $result;
55: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
56: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
57: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
58: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
59: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
60: }
61: if (!defined($type)) { $type = 'ordered' };
62: $answer{$cur_name}= { 'type' => $type,
63: 'answers' => [] };
64: return $result;
65: }
66:
67: sub end_answer {
68: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
69: my $result;
70: undef($cur_name);
71: return $result;
72: }
73:
74: sub start_answergroup {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
76: my $result;
77: return $result;
78: }
79:
80: sub end_answergroup {
81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
82: my $result;
1.194 albertel 83: if ($target eq 'web') {
84: if ( &Apache::response::show_answer() ) {
85: my $partid = $Apache::inputtags::part;
86: my $id = $Apache::inputtags::response[-1];
87: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
88: $target,$token,$tagstack,$parstack,$parser,
89: $safeeval,-2);
90: }
91: }
1.181 albertel 92: return $result;
93: }
94:
95: sub start_value {
1.182 albertel 96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 97: my $result;
98: if ( $target eq 'web' || $target eq 'tex' ||
99: $target eq 'grade' || $target eq 'webgrade' ||
100: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 101: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181 albertel 102: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
103: $$parstack[-1]);
1.195 albertel 104:
105: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
106:
1.181 albertel 107: }
108: return $result;
109: }
110:
111: sub end_value {
112: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
113: my $result;
114: return $result;
115: }
116:
1.195 albertel 117: sub start_vector {
118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
119: my $result;
120: if ( $target eq 'web' || $target eq 'tex' ||
121: $target eq 'grade' || $target eq 'webgrade' ||
122: $target eq 'answer' || $target eq 'analyze' ) {
123: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
124: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
125: if (@values == 1) {
126: @values = split(',',$values[0]);
127: }
128: push(@{ $answer{$cur_name}{'answers'} },\@values);
129: }
130: return $result;
131: }
132:
133: sub end_vector {
134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
135: my $result;
136: return $result;
137: }
138:
1.181 albertel 139: sub start_array {
1.182 albertel 140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 141: my $result;
142: if ( $target eq 'web' || $target eq 'tex' ||
143: $target eq 'grade' || $target eq 'webgrade' ||
144: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 145: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181 albertel 146: my @values = &Apache::run::evaluate($bodytext,$safeeval,
147: $$parstack[-1]);
148: push(@{ $answer{$cur_name}{'answers'} },@values);
149: }
150: return $result;
151: }
152:
153: sub end_array {
154: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
155: my $result;
156: return $result;
157: }
158:
159: sub start_unit {
160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
161: my $result;
162: return $result;
163: }
164:
165: sub end_unit {
166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
167: my $result;
168: return $result;
169: }
170:
1.89 albertel 171: sub start_numericalresponse {
172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.195 albertel 173: &Apache::lonxml::register('Apache::caparesponse',
174: ('answer','answergroup','value','array','unit',
175: 'vector'));
1.89 albertel 176: my $id = &Apache::response::start_response($parstack,$safeeval);
177: my $result;
1.181 albertel 178: undef(%answer);
179: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89 albertel 180: if ($target eq 'edit') {
181: $result.=&Apache::edit::tag_start($target,$token);
182: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
183: if ($token->[1] eq 'numericalresponse') {
1.122 albertel 184: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149 www 185: $token).
186: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89 albertel 187: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
188: &Apache::loncommon::help_open_topic('Physical_Units');
189: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
190: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
191: } elsif ($token->[1] eq 'formularesponse') {
192: $result.=&Apache::edit::text_arg('Sample Points:','samples',
193: $token,40).
194: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
195: }
196: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
197: } elsif ($target eq 'modified') {
198: my $constructtag;
199: if ($token->[1] eq 'numericalresponse') {
200: $constructtag=&Apache::edit::get_new_args($token,$parstack,
201: $safeeval,'answer',
1.156 albertel 202: 'incorrect','unit',
1.117 albertel 203: 'format');
1.89 albertel 204: } elsif ($token->[1] eq 'formularesponse') {
205: $constructtag=&Apache::edit::get_new_args($token,$parstack,
206: $safeeval,'answer',
207: 'samples');
208: }
209: if ($constructtag) {
210: $result = &Apache::edit::rebuild_tag($token);
211: $result.=&Apache::edit::handle_insert();
1.22 albertel 212: }
1.89 albertel 213: } elsif ($target eq 'meta') {
214: $result=&Apache::response::meta_package_write('numericalresponse');
215: } elsif ($target eq 'answer' || $target eq 'grade') {
216: &Apache::response::reset_params();
1.96 albertel 217: } elsif ($target eq 'web') {
218: my $partid = $Apache::inputtags::part;
219: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
220: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
221: #no way to enter units, with radio buttons
222: if (lc($hideunit) eq "yes") {
223: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
224: $safeeval);
225: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
226: }
1.146 albertel 227: if ( &Apache::response::show_answer() ) {
1.195 albertel 228: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
229: $parstack,$parser,$safeeval,-1);
1.194 albertel 230: }
231: }
232: return $result;
233: }
234:
235: sub set_answertext {
236: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
237: $response_level) = @_;
238: &add_in_tag_answer($parstack,$safeeval,$response_level);
239:
240: return if ($name eq '' || !ref($answer{$name}));
241:
242: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
243: $safeeval,$response_level);
244: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
245: $response_level);
246:
247: &Apache::lonxml::debug("answer looks to be $name");
1.195 albertel 248: my @answertxt;
1.194 albertel 249: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195 albertel 250: my $answertxt;
1.194 albertel 251: my $answer=$answer{$name}{'answers'}[$i];
1.195 albertel 252: foreach my $element (@$answer) {
253: if ( scalar(@$tagstack)
254: && $tagstack->[$response_level] ne 'numericalresponse') {
255: $answertxt.=$element.',';
1.194 albertel 256: } else {
1.195 albertel 257: my $format;
258: if ($#formats > 0) {
259: $format=$formats[$i];
260: } else {
261: $format=$formats[0];
262: }
263: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
264: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
265: my $formatted=&format_number($element,$format,$target,
266: $safeeval);
267: $answertxt.=' '.$formatted.',';
1.146 albertel 268: }
1.195 albertel 269:
270: }
271: chop($answertxt);
272: if ($target eq 'web') {
273: $answertxt.=" $unit ";
1.146 albertel 274: }
1.195 albertel 275:
276: push(@answertxt,$answertxt)
1.16 albertel 277: }
1.194 albertel 278:
279: my $id = $Apache::inputtags::response[-1];
1.195 albertel 280: $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21 albertel 281: }
282:
1.195 albertel 283: sub setup_capa_args {
284: my ($safeeval,$parstack,$args,$response) = @_;
1.167 albertel 285: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195 albertel 286: undef(%{ $args_ref });
287:
288: foreach my $arg (@{$args}) {
1.167 albertel 289: $$args_ref{$arg}=
290: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
291: }
292: foreach my $key (keys(%Apache::inputtags::params)) {
293: $$args_ref{$key}=$Apache::inputtags::params{$key};
294: }
1.195 albertel 295: &setup_capa_response($args_ref,$response);
296: return $args_ref;
297: }
298:
299: sub setup_capa_response {
300: my ($args_ref,$response) = @_;
301:
302: use Data::Dumper;
303: &Apache::lonxml::debug("response dump is ".&Dumper($response));
1.167 albertel 304:
1.195 albertel 305: if (ref($response)) {
306: $$args_ref{'response'}=dclone($response);
307: } else {
308: $$args_ref{'response'}=dclone([$response]);
309: }
310: }
311:
312: sub check_submission {
313: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
314: my @args = ('type','tol','sig','format','unit','calc','samples');
315: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
316:
317: my $hideunit=
318: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
319: #no way to enter units, with radio buttons
1.167 albertel 320: if ($Apache::lonhomework::type eq 'exam' ||
321: lc($hideunit) eq "yes") {
322: delete($$args_ref{'unit'});
323: }
324: #sig fig don't make much sense either
325: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 326: &Apache::response::submitted('scantron') ||
327: $ignore_sig) &&
1.167 albertel 328: $tag eq 'numericalresponse') {
329: delete($$args_ref{'sig'});
330: }
331:
332: if ($tag eq 'formularesponse') {
1.199 www 333: if ($$args_ref{'samples'}) {
1.191 www 334: $$args_ref{'type'}='fml';
1.199 www 335: } else {
336: $$args_ref{'type'}='math';
337: }
1.167 albertel 338: } elsif ($tag eq 'numericalresponse') {
339: $$args_ref{'type'}='float';
340: }
1.194 albertel 341:
342: &add_in_tag_answer($parstack,$safeeval);
343:
1.195 albertel 344: my (@final_awards,@final_msgs,@names);
1.181 albertel 345: foreach my $name (keys(%answer)) {
346: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 albertel 347:
348: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195 albertel 349: &setup_capa_response($args_ref,$response);
350: use Time::HiRes;
351: my $t0 = [Time::HiRes::gettimeofday()];
1.181 albertel 352: my ($result,@msgs) =
353: &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195 albertel 354: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.181 albertel 355: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
356: my ($awards)=split(/:/,$result);
357: my @awards= split(/,/,$awards);
358: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
359: push(@final_awards,$ad);
360: push(@final_msgs,$msg);
361: push(@names,$name);
362: }
363: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
364: \@final_msgs,
365: \@names,1);
1.194 albertel 366: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
367: return($ad,$msg, $name);
368: }
369:
370: sub add_in_tag_answer {
371: my ($parstack,$safeeval,$response_level) = @_;
372: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
373: $response_level);
374: &Apache::lonxml::debug('answer is'.join(':',@answer));
375: if (@answer && defined($answer[0])) {
1.195 albertel 376: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
377: 'answers' => [\@answer] };
1.194 albertel 378: }
1.167 albertel 379: }
380:
1.202 www 381: sub capa_formula_fix {
382: my ($expression)=@_;
383: return &Apache::response::implicit_multiplication($expression);
384: }
385:
1.89 albertel 386: sub end_numericalresponse {
387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 388: my $increment=1;
1.89 albertel 389: my $result = '';
390: if (!$Apache::lonxml::default_homework_loaded) {
391: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 392: }
1.167 albertel 393: my $partid = $Apache::inputtags::part;
394: my $id = $Apache::inputtags::response[-1];
1.125 albertel 395: my $tag;
1.190 albertel 396: my $safehole = new Safe::Hole;
1.168 albertel 397: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 398:
1.125 albertel 399: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 400: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 401: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 402: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 403: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 404: $increment=&Apache::response::scored_response($partid,$id);
405: } else {
406: my $response = &Apache::response::getresponse();
407: if ( $response =~ /[^\s]/) {
408: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
409: &Apache::lonxml::debug("submitted a $response<br>\n");
410: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
411:
1.162 albertel 412: if ( &Apache::response::submitted('scantron')) {
1.184 albertel 413: my ($values,$display)=&make_numerical_bubbles($partid,$id,
414: $target,$parstack,$safeeval);
1.158 albertel 415: $response=$values->[$response];
1.95 albertel 416: }
1.115 albertel 417: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 418: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
419: $tag,$parstack,
420: $safeeval);
1.167 albertel 421:
1.142 albertel 422: &Apache::lonxml::debug('ad is'.$ad);
423: if ($ad eq 'SIG_FAIL') {
424: my ($sig_u,$sig_l)=
425: &get_sigrange($Apache::inputtags::params{'sig'});
426: $msg=join(':',$msg,$sig_l,$sig_u);
427: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
428: $Apache::inputtags::params{'sig'});
429: }
1.95 albertel 430: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.163 albertel 431: if ($Apache::lonhomework::type eq 'survey' &&
432: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
433: $ad eq 'EXACT_ANS')) {
434: $ad='SUBMITTED';
435: }
1.95 albertel 436: &Apache::response::handle_previous(\%previous,$ad);
437: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 438: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 439: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 440: $result='';
1.90 albertel 441: }
1.89 albertel 442: }
443: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 444: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 445: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
446: my $status = $Apache::inputtags::status['-1'];
447: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 448: # FIXME support multi dimensional numerical problems
449: # in exam bubbles
1.184 albertel 450: my ($bubble_values,$bubble_display)=
451: &make_numerical_bubbles($partid,$id,$target,$parstack,
452: $safeeval);
453: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 454: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
455: $safeeval);
456: my @alphabet=('A'..'Z');
457: if ($target eq 'web') {
1.125 albertel 458: if ($tag eq 'numericalresponse') {
1.89 albertel 459: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
460: $result.= '<table border="1"><tr>';
1.116 albertel 461: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 462: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 463: my $checked='';
1.158 albertel 464: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 465: $checked=" checked='on' ";
466: }
1.90 albertel 467: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 468: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 469: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 470: $bubble_display->[$ind].'</td>';
1.89 albertel 471: }
472: $result.='</tr></table>';
473: }
474: } elsif ($target eq 'tex') {
1.107 sakharuk 475: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 476: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
477: }
1.125 albertel 478: if ($tag eq 'numericalresponse') {
1.90 albertel 479: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 480: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 481: my $j=0;
482: my $cou=0;
483: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
484: for (my $i=0;$i<$number_of_tables;$i++) {
1.144 sakharuk 485: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
1.90 albertel 486: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 487: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 488: }
489: $result.='}';
1.90 albertel 490: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 491: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 492: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
493: }
494: $cou += $table_range[$j];
495: $j++;
496: $result.='\\\\\end{tabular}\vskip 0 mm ';
497: }
498: $result.='\end{enumerate}';
499: } else {
1.188 albertel 500: $increment = &Apache::response::repetition();
1.89 albertel 501: }
502: }
503: }
504: } elsif ($target eq 'edit') {
505: $result.='</td></tr>'.&Apache::edit::end_table;
506: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 507: my $part_id="$partid.$id";
1.89 albertel 508: if ($target eq 'analyze') {
509: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 510: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 511: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 512: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 513: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 514: &Apache::response::check_if_computed($token,$parstack,
515: $safeeval,'answer');
1.89 albertel 516: }
1.125 albertel 517: if (scalar(@$tagstack)) {
1.140 albertel 518: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 519: }
1.194 albertel 520: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 521: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 522:
1.58 sakharuk 523: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 524:
525: if ($target eq 'answer') {
1.195 albertel 526: $result.=&Apache::response::answer_header($tag,undef,
527: scalar(keys(%answer)));
1.185 albertel 528: if ($tag eq 'numericalresponse'
529: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 530: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
531: $id,$target,$parstack,$safeeval);
532: $result.=&Apache::response::answer_part($tag,$correct);
533: }
1.89 albertel 534: }
1.194 albertel 535: foreach my $name (sort(keys(%answer))) {
536: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 537: if ($target eq 'analyze') {
538: foreach my $info ('answer','ans_high','ans_low','format') {
539: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
540: }
541: }
1.194 albertel 542: my ($sigline,$tolline);
1.195 albertel 543: if ($name ne $tag_internal_answer_name
544: || scalar(keys(%answer)) > 1) {
545: $result.=&Apache::response::answer_part($tag,$name);
546: }
1.194 albertel 547: for(my $i=0;$i<=$#answers;$i++) {
548: my $ans=$answers[$i];
549: my $fmt=$formats[0];
550: if (@formats && $#formats) {$fmt=$formats[$i];}
551: my ($sighigh,$siglow);
552: if ($Apache::inputtags::params{'sig'}) {
553: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
554: }
1.195 albertel 555: my @vector;
556: if (ref($ans)) {
557: @vector = @{ $ans };
558: } else {
559: @vector = ($ans);
1.194 albertel 560: }
1.200 albertel 561: my @all_answer_info;
562: foreach my $element (@vector) {
563: my ($high,$low);
564: if ($Apache::inputtags::params{'tol'}) {
565: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
566: }
567: if ($target eq 'answer') {
1.195 albertel 568: if ($fmt && $tag eq 'numericalresponse') {
569: $fmt=~s/e/E/g;
570: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
571: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
572: $element = &format_number($element,$fmt,$target,$safeeval);
573: #if ($high) {
574: # $high=&format_number($high,$fmt,$target,$safeeval);
575: # $low =&format_number($low,$fmt,$target,$safeeval);
576: #}
577: }
578: if ($high && $tag eq 'numericalresponse') {
579: $element.=' ['.$low.','.$high.']';
580: $tolline .= "[$low, $high]";
581: }
582: if (defined($sighigh) && $tag eq 'numericalresponse') {
583: if ($env{'form.answer_output_mode'} eq 'tex') {
584: $element.= " Sig $siglow - $sighigh";
585: } else {
586: $element.= " Sig <i>$siglow - $sighigh</i>";
587: $sigline .= "[$siglow, $sighigh]";
588: }
1.194 albertel 589: }
1.195 albertel 590: push(@all_answer_info,$element);
1.200 albertel 591:
592: } elsif ($target eq 'analyze') {
593: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
594: if ($high) {
595: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
596: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
597: }
598: if ($fmt) {
599: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
600: }
1.194 albertel 601: }
1.200 albertel 602: }
603: if ($target eq 'answer') {
1.195 albertel 604: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
1.194 albertel 605: }
606: }
607:
608: my @fmt_ans;
609: for(my $i=0;$i<=$#answers;$i++) {
610: my $ans=$answers[$i];
611: my $fmt=$formats[0];
612: if (@formats && $#formats) {$fmt=$formats[$i];}
1.195 albertel 613: foreach my $element (@$ans) {
614: if ($fmt && $tag eq 'numericalresponse') {
615: $fmt=~s/e/E/g;
616: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
617: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
618: $element = &format_number($element,$fmt,$target,
619: $safeeval);
620: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
621: }
1.194 albertel 622: }
1.195 albertel 623: push(@fmt_ans,join(',',@$ans));
1.194 albertel 624: }
1.195 albertel 625: my $response=\@fmt_ans;
626:
1.194 albertel 627: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
628: $id.'.turnoffunit');
629: if ($unit ne '' &&
630: ! ($Apache::lonhomework::type eq 'exam' ||
631: lc($hideunit) eq "yes") ) {
632: my $cleanunit=$unit;
633: $cleanunit=~s/\$\,//g;
1.195 albertel 634: foreach my $ans (@fmt_ans) {
635: $ans.=" $cleanunit";
636: }
1.60 sakharuk 637: }
1.194 albertel 638: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
639: $parstack,$safeeval);
640: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
641: my $error;
642: if ($tag eq 'formularesponse') {
1.195 albertel 643: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
1.194 albertel 644: } else {
645: # answer failed check if it is sig figs that is failing
646: my ($ad,$msg)=&check_submission($response,$partid,$id,
647: $tag,$parstack,
648: $safeeval,1);
649: if ($sigline ne '') {
1.195 albertel 650: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
1.98 sakharuk 651: } else {
1.195 albertel 652: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
1.98 sakharuk 653: }
654: }
1.194 albertel 655: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
656: &Apache::lonxml::error($error);
657: } else {
658: &Apache::lonxml::warning($error);
1.165 albertel 659: }
1.79 sakharuk 660: }
1.176 albertel 661:
1.194 albertel 662: if (defined($unit) and ($unit ne '') and
663: $tag eq 'numericalresponse') {
664: if ($target eq 'answer') {
665: if ($env{'form.answer_output_mode'} eq 'tex') {
666: $result.=&Apache::response::answer_part($tag,
667: " Unit: $unit ");
668: } else {
669: $result.=&Apache::response::answer_part($tag,
670: "Unit: <b>$unit</b>");
671: }
672: } elsif ($target eq 'analyze') {
673: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 674: }
1.167 albertel 675: }
1.194 albertel 676: if ($tag eq 'formularesponse' && $target eq 'answer') {
677: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
678: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 679: }
1.195 albertel 680: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 681: }
682: if ($target eq 'answer') {
1.125 albertel 683: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 684: }
1.69 sakharuk 685: }
1.121 sakharuk 686: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 687: $target eq 'tex' || $target eq 'analyze') {
688: &Apache::lonxml::increment_counter($increment);
689: }
1.196 albertel 690: &Apache::response::end_response();
1.89 albertel 691: return $result;
1.90 albertel 692: }
693:
1.196 albertel 694: sub check_for_answer_errors {
695: my ($parstack,$safeeval) = @_;
696: &add_in_tag_answer($parstack,$safeeval);
697: my %counts;
698: foreach my $name (keys(%answer)) {
699: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
700: }
701: if (scalar(keys(%counts)) > 1) {
702: my $counts = join(' ',map {
703: my $count = $_;
704: &mt("Answers [_1] had [_2] components.",
705: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
706: $count);
707: } (sort(keys(%counts))));
708: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
709: }
710: use Data::Dumper;
711: &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));
712: my $expected_number_of_inputs = (keys(%counts))[0];
713: if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
714: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
715: $expected_number_of_inputs,
716: scalar(@Apache::inputtags::inputlist)));
717: }
718: }
719:
1.90 albertel 720: sub get_table_sizes {
1.128 sakharuk 721: my ($number_of_bubbles,$rbubble_values)=@_;
722: my $scale=2; #mm for one digit
723: my $cell_width=0;
724: foreach my $member (@$rbubble_values) {
725: my $cell_width_real=0;
1.160 albertel 726: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 727: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
728: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 729: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 730: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 731: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 732: } else {
1.138 sakharuk 733: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 734: }
735: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 736: }
1.132 sakharuk 737: $cell_width+=8;
1.130 sakharuk 738: my $textwidth;
1.166 albertel 739: if ($env{'form.textwidth'} ne '') {
740: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 741: $textwidth=$1.'.'.$2;
1.130 sakharuk 742: } else {
1.166 albertel 743: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 744: $textwidth=$1.'.'.$2;
1.130 sakharuk 745: }
1.128 sakharuk 746: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 747: if ($bubbles_per_line > $number_of_bubbles) {
748: $bubbles_per_line=$number_of_bubbles;
749: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
1.128 sakharuk 750: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 751: my @table_range = ();
1.128 sakharuk 752: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
753: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 754: $number_of_tables++;
1.128 sakharuk 755: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 756: }
1.128 sakharuk 757: $cell_width-=8;
1.136 sakharuk 758: $cell_width=$cell_width*3/4;
1.128 sakharuk 759: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 760: }
761:
762: sub format_number {
1.153 albertel 763: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 764: my $ans;
1.153 albertel 765: if ($format eq '') {
1.90 albertel 766: #What is the number? (integer,decimal,floating point)
1.187 albertel 767: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 768: $format = '3e';
1.90 albertel 769: } elsif ($number=~/^(\d*)\.(\d*)$/) {
770: $format = '4f';
771: } elsif ($number=~/^(\d*)$/) {
772: $format = 'd';
773: }
774: }
1.156 albertel 775: if (!$Apache::lonxml::default_homework_loaded) {
776: &Apache::lonxml::default_homework_load($safeeval);
777: }
1.153 albertel 778: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 779: return $ans;
780: }
781:
782: sub make_numerical_bubbles {
1.184 albertel 783: my ($part,$id,$target,$parstack,$safeeval) =@_;
784:
785: my $number_of_bubbles =
786: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
787:
788: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 789: my $name = (exists($answer{$tag_internal_answer_name})
790: ? $tag_internal_answer_name
791: : (sort(keys(%answer)))[0]);
792:
793: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
794: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
795: }
796: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
797: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
798: }
799:
800: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 801: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
802: $safeeval);
803: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
804:
1.158 albertel 805: my @bubble_values=();
1.184 albertel 806: my @alphabet=('A'..'Z');
807:
808: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 809: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 810: if (@incorrect) {
811: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
812: if (defined($incorrect[0]) &&
813: scalar(@incorrect)+1 >= $number_of_bubbles) {
814: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 815: &Apache::response::setrandomnumber();
1.184 albertel 816: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 817: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
818: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 819: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 820: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 821:
822: my $correct;
823: for(my $i=0; $i<=$#bubble_values;$i++) {
824: if ($bubble_values[$i] eq $answer) {
825: $correct = $alphabet[$i];
826: last;
827: }
828: }
829:
1.134 albertel 830: if (defined($format) && $format ne '') {
1.158 albertel 831: my @bubble_display;
1.137 albertel 832: foreach my $value (@bubble_values) {
1.158 albertel 833: push(@bubble_display,
834: &format_number($value,$format,$target,$safeeval));
1.134 albertel 835: }
1.184 albertel 836: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 837: } else {
1.184 albertel 838: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 839: }
1.117 albertel 840: }
1.184 albertel 841: if (defined($incorrect[0]) &&
842: scalar(@incorrect)+1 < $number_of_bubbles) {
843: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
1.127 albertel 844: }
1.117 albertel 845: }
1.90 albertel 846: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 847: my @powers = (1..$number_of_bubbles);
1.90 albertel 848: &Apache::response::setrandomnumber();
849: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
850: my $power = $powers[$ind];
851: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
852: my $factor = $factors[$ind];
1.158 albertel 853: my @bubble_display;
1.90 albertel 854: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 855: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 856: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 857: $format,$target,$safeeval);
1.91 albertel 858:
1.90 albertel 859: }
1.184 albertel 860: my $correct = $alphabet[$number_of_bubbles-$power];
1.119 albertel 861: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 862: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 863: }
864:
865: sub get_tolrange {
1.89 albertel 866: my ($ans,$tol)=@_;
867: my ($high,$low);
868: if ($tol =~ /%$/) {
869: chop($tol);
870: my $change=$ans*($tol/100.0);
871: $high=$ans+$change;
872: $low=$ans-$change;
873: } else {
874: $high=$ans+$tol;
875: $low=$ans-$tol;
876: }
877: return ($high,$low);
1.52 albertel 878: }
879:
880: sub get_sigrange {
1.89 albertel 881: my ($sig)=@_;
1.195 albertel 882: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 883: my $courseid=$env{'request.course.id'};
884: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 885: return (15,0);
886: }
1.89 albertel 887: my $sig_lbound;
888: my $sig_ubound;
889: if ($sig eq '') {
890: $sig_lbound = 0; #SIG_LB_DEFAULT
891: $sig_ubound =15; #SIG_UB_DEFAULT
892: } else {
893: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 894: if (!defined($sig_lbound)) {
1.89 albertel 895: $sig_lbound = 0; #SIG_LB_DEFAULT
896: $sig_ubound =15; #SIG_UB_DEFAULT
897: }
1.145 albertel 898: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 899: }
900: if (($sig_ubound<$sig_lbound) ||
901: ($sig_lbound > 15) ||
902: ($sig =~/(\+|-)/ ) ) {
903: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 904: if ($env{'request.state'} eq 'construct') {
1.133 albertel 905: $errormsg.=
906: &Apache::loncommon::help_open_topic('Significant_Figures');
907: }
908: &Apache::lonxml::error($errormsg);
1.52 albertel 909: }
1.89 albertel 910: return ($sig_ubound,$sig_lbound);
1.34 albertel 911: }
912:
913: sub start_stringresponse {
1.89 albertel 914: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
915: my $result;
1.122 albertel 916: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 917: if ($target eq 'meta') {
918: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 919: } elsif ($target eq 'edit') {
920: $result.=&Apache::edit::tag_start($target,$token);
921: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
922: $result.=&Apache::edit::select_arg('Type:','type',
923: [['cs','Case Sensitive'],['ci','Case Insensitive'],
924: ['mc','Case Insensitive, Any Order'],
925: ['re','Regular Expression']],$token);
1.152 albertel 926: $result.=&Apache::edit::text_arg('String to display for answer:',
927: 'answerdisplay',$token);
1.122 albertel 928: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
929: } elsif ($target eq 'modified') {
1.146 albertel 930: my $constructtag;
931: $constructtag=&Apache::edit::get_new_args($token,$parstack,
932: $safeeval,'answer',
933: 'type','answerdisplay');
934: if ($constructtag) {
935: $result = &Apache::edit::rebuild_tag($token);
936: $result.=&Apache::edit::handle_insert();
937: }
938: } elsif ($target eq 'web') {
939: if ( &Apache::response::show_answer() ) {
1.152 albertel 940: my $answer=
941: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
942: if (!defined $answer || $answer eq '') {
943: $answer=
944: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
945: }
1.195 albertel 946: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 947: }
1.122 albertel 948: } elsif ($target eq 'answer' || $target eq 'grade') {
949: &Apache::response::reset_params();
1.89 albertel 950: }
951: return $result;
1.34 albertel 952: }
953:
954: sub end_stringresponse {
1.122 albertel 955: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 956:
1.122 albertel 957: my $result = '';
958: my $part=$Apache::inputtags::part;
959: my $id=$Apache::inputtags::response[-1];
960: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
961: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 962: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 963: &Apache::lonxml::debug("current $answer ".$token->[2]);
964: if (!$Apache::lonxml::default_homework_loaded) {
965: &Apache::lonxml::default_homework_load($safeeval);
966: }
1.162 albertel 967: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 968: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 969: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
970: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 971: &Apache::response::submitted('scantron')) {
1.189 albertel 972: &Apache::response::scored_response($part,$id);
973:
1.122 albertel 974: } else {
975: my $response = &Apache::response::getresponse();
976: if ( $response =~ /[^\s]/) {
977: my %previous = &Apache::response::check_for_previous($response,
978: $part,$id);
979: &Apache::lonxml::debug("submitted a $response<br>\n");
980: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
981: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
982: $response;
1.142 albertel 983: my ($ad,$msg);
1.122 albertel 984: if ($type eq 're' ) {
985: # if the RE wasn't in a var it likely got munged,
986: # thus grab it from the var directly
987: # my $testans=$token->[2]->{'answer'};
988: # if ($testans !~ m/^\s*\$/) {
989: # $answer=$token->[2]->{'answer'};
990: # }
1.143 albertel 991: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179 albertel 992: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 993: &Apache::lonxml::debug("current $response");
994: &Apache::lonxml::debug("current $answer");
995: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
996: } else {
1.195 albertel 997: my @args = ('type');
998: my $args_ref = &setup_capa_args($safeeval,$parstack,
999: \@args,$response);
1000:
1001: &add_in_tag_answer($parstack,$safeeval);
1002: my (@final_awards,@final_msgs,@names);
1003: foreach my $name (keys(%answer)) {
1004: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1005: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1006: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1007: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1008: my ($awards)=split(/:/,$result);
1009: my (@awards) = split(/,/,$awards);
1010: ($ad,$msg) =
1011: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1012: push(@final_awards,$ad);
1013: push(@final_msgs,$msg);
1014: push(@names,$name);
1015: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1016: }
1.195 albertel 1017: my ($ad, $msg, $name) =
1018: &Apache::inputtags::finalizeawards(\@final_awards,
1019: \@final_msgs,
1020: \@names,1);
1.122 albertel 1021: }
1.163 albertel 1022: if ($Apache::lonhomework::type eq 'survey' &&
1023: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1024: $ad eq 'EXACT_ANS')) {
1025: $ad='SUBMITTED';
1026: }
1.122 albertel 1027: &Apache::response::handle_previous(\%previous,$ad);
1028: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1029: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1030: }
1031: }
1032: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1033: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1034: if ($target eq 'analyze') {
1035: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1036: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1037: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1038: 'answer');
1.122 albertel 1039: }
1.140 albertel 1040: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1041: if ($target eq 'answer') {
1.125 albertel 1042: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1043: }
1.200 albertel 1044: foreach my $name (keys(%answer)) {
1045: my @answers = @{ $answer{$name}{'answers'} };
1046: for (my $i=0;$i<=$#answers;$i++) {
1047: my $answer_part = $answers[$i];
1048: foreach my $element (@{$answer_part}) {
1049: if ($target eq 'answer') {
1050: $result.=&Apache::response::answer_part('stringresponse',
1051: $element);
1052: } elsif ($target eq 'analyze') {
1053: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1054: $element);
1055: }
1056: }
1057: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1058: $result.=&Apache::response::answer_part('stringresponse',
1059: $answerdisplay);
1060: }
1.122 albertel 1061: }
1.200 albertel 1062: }
1.122 albertel 1063: my $string='Case Insensitive';
1064: if ($type eq 'mc') {
1065: $string='Multiple Choice';
1066: } elsif ($type eq 'cs') {
1067: $string='Case Sensitive';
1068: } elsif ($type eq 'ci') {
1069: $string='Case Insensitive';
1070: } elsif ($type eq 're') {
1071: $string='Regular Expression';
1072: }
1073: if ($target eq 'answer') {
1.166 albertel 1074: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1075: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1076: "$string");
1077: } else {
1.125 albertel 1078: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1079: "<b>$string</b>");
1080: }
1081: } elsif ($target eq 'analyze') {
1082: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1083: $type);
1084: }
1085: if ($target eq 'answer') {
1.125 albertel 1086: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1087: }
1088: } elsif ($target eq 'edit') {
1089: $result.='</td></tr>'.&Apache::edit::end_table;
1090: }
1091: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1092: $target eq 'tex' || $target eq 'analyze') {
1.189 albertel 1093: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1.122 albertel 1094: }
1095: &Apache::response::end_response;
1096: return $result;
1.44 albertel 1097: }
1098:
1099: sub start_formularesponse {
1.89 albertel 1100: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1101: my $result;
1102: if ($target eq 'meta') {
1.104 bowersj2 1103: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1104: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1105: &Apache::response::end_response();
1.89 albertel 1106: } else {
1107: $result.=&start_numericalresponse(@_);
1108: }
1109: return $result;
1.44 albertel 1110: }
1111:
1112: sub end_formularesponse {
1.89 albertel 1113: return end_numericalresponse(@_);
1.3 albertel 1114: }
1115:
1.1 albertel 1116: 1;
1.3 albertel 1117: __END__
1.89 albertel 1118:
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