Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.194
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.194 ! albertel 4: # $Id: caparesponse.pm,v 1.193 2006/07/03 14:21:45 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;
1.194 ! albertel 36: use Storable qw(dclone);
1.3 albertel 37:
1.50 harris41 38: BEGIN {
1.194 ! albertel 39: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3 albertel 40: }
41:
1.181 albertel 42: my %answer;
43: my $cur_name;
44: sub start_answer {
45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
46: my $result;
47: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
48: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
49: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
50: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
51: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
52: }
53: if (!defined($type)) { $type = 'ordered' };
54: $answer{$cur_name}= { 'type' => $type,
55: 'answers' => [] };
56: return $result;
57: }
58:
59: sub end_answer {
60: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
61: my $result;
62: undef($cur_name);
63: return $result;
64: }
65:
66: sub start_answergroup {
67: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
68: my $result;
69: return $result;
70: }
71:
72: sub end_answergroup {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
74: my $result;
1.194 ! albertel 75: if ($target eq 'web') {
! 76: if ( &Apache::response::show_answer() ) {
! 77: my $partid = $Apache::inputtags::part;
! 78: my $id = $Apache::inputtags::response[-1];
! 79: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
! 80: $target,$token,$tagstack,$parstack,$parser,
! 81: $safeeval,-2);
! 82: }
! 83: }
1.181 albertel 84: return $result;
85: }
86:
87: sub start_value {
1.182 albertel 88: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 89: my $result;
90: if ( $target eq 'web' || $target eq 'tex' ||
91: $target eq 'grade' || $target eq 'webgrade' ||
92: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 93: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181 albertel 94: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
95: $$parstack[-1]);
96: push(@{ $answer{$cur_name}{'answers'} },$bodytext);
97: }
98: return $result;
99: }
100:
101: sub end_value {
102: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
103: my $result;
104: return $result;
105: }
106:
107: sub start_array {
1.182 albertel 108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 109: my $result;
110: if ( $target eq 'web' || $target eq 'tex' ||
111: $target eq 'grade' || $target eq 'webgrade' ||
112: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 113: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181 albertel 114: my @values = &Apache::run::evaluate($bodytext,$safeeval,
115: $$parstack[-1]);
116: push(@{ $answer{$cur_name}{'answers'} },@values);
117: }
118: return $result;
119: }
120:
121: sub end_array {
122: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
123: my $result;
124: return $result;
125: }
126:
127: sub start_unit {
128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
129: my $result;
130: return $result;
131: }
132:
133: sub end_unit {
134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
135: my $result;
136: return $result;
137: }
138:
1.89 albertel 139: sub start_numericalresponse {
140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.181 albertel 141: &Apache::lonxml::register('Apache::caparesponse',('answer','answergroup','value','array','unit'));
1.89 albertel 142: my $id = &Apache::response::start_response($parstack,$safeeval);
143: my $result;
1.181 albertel 144: undef(%answer);
145: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89 albertel 146: if ($target eq 'edit') {
147: $result.=&Apache::edit::tag_start($target,$token);
148: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
149: if ($token->[1] eq 'numericalresponse') {
1.122 albertel 150: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149 www 151: $token).
152: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89 albertel 153: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
154: &Apache::loncommon::help_open_topic('Physical_Units');
155: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
156: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
157: } elsif ($token->[1] eq 'formularesponse') {
158: $result.=&Apache::edit::text_arg('Sample Points:','samples',
159: $token,40).
160: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
161: }
162: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
163: } elsif ($target eq 'modified') {
164: my $constructtag;
165: if ($token->[1] eq 'numericalresponse') {
166: $constructtag=&Apache::edit::get_new_args($token,$parstack,
167: $safeeval,'answer',
1.156 albertel 168: 'incorrect','unit',
1.117 albertel 169: 'format');
1.89 albertel 170: } elsif ($token->[1] eq 'formularesponse') {
171: $constructtag=&Apache::edit::get_new_args($token,$parstack,
172: $safeeval,'answer',
173: 'samples');
174: }
175: if ($constructtag) {
176: $result = &Apache::edit::rebuild_tag($token);
177: $result.=&Apache::edit::handle_insert();
1.22 albertel 178: }
1.89 albertel 179: } elsif ($target eq 'meta') {
180: $result=&Apache::response::meta_package_write('numericalresponse');
181: } elsif ($target eq 'answer' || $target eq 'grade') {
182: &Apache::response::reset_params();
1.96 albertel 183: } elsif ($target eq 'web') {
184: my $partid = $Apache::inputtags::part;
185: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
186: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
187: #no way to enter units, with radio buttons
188: if (lc($hideunit) eq "yes") {
189: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
190: $safeeval);
191: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
192: }
1.146 albertel 193: if ( &Apache::response::show_answer() ) {
1.194 ! albertel 194: &set_answertext('INTERNAL',$target,$token,$tagstack,$parstack,
! 195: $parser,$safeeval,-1);
! 196: }
! 197: }
! 198: return $result;
! 199: }
! 200:
! 201: sub set_answertext {
! 202: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
! 203: $response_level) = @_;
! 204: my $answertxt;
! 205: &add_in_tag_answer($parstack,$safeeval,$response_level);
! 206:
! 207: return if ($name eq '' || !ref($answer{$name}));
! 208:
! 209: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
! 210: $safeeval,$response_level);
! 211: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
! 212: $response_level);
! 213:
! 214: &Apache::lonxml::debug("answer looks to be $name");
! 215: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
! 216: my $answer=$answer{$name}{'answers'}[$i];
! 217: if ( scalar(@$tagstack)
! 218: && $tagstack->[$response_level] ne 'numericalresponse') {
! 219: $answertxt.=$answer.',';
! 220: } else {
! 221: my $format;
! 222: if ($#formats > 0) {
! 223: $format=$formats[$i];
! 224: } else {
! 225: $format=$formats[0];
1.146 albertel 226: }
1.194 ! albertel 227: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
! 228: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
! 229: my $formatted=&format_number($answer,$format,$target,
! 230: $safeeval);
! 231: $answertxt.=$formatted.',';
1.146 albertel 232: }
1.16 albertel 233: }
1.194 ! albertel 234:
! 235: chop($answertxt);
! 236: if ($target eq 'web') {
! 237: $answertxt.=" $unit ";
! 238: }
! 239: my $id = $Apache::inputtags::response[-1];
! 240: $Apache::inputtags::answertxt{$id}=$answertxt;
1.21 albertel 241: }
242:
1.167 albertel 243: sub check_submission {
1.171 albertel 244: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
1.167 albertel 245: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
246: $$args_ref{'response'}=$response;
247: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
248:
249: foreach my $arg ('type','tol','sig','format','unit','calc',
250: 'samples') {
251: $$args_ref{$arg}=
252: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
253: }
254: foreach my $key (keys(%Apache::inputtags::params)) {
255: $$args_ref{$key}=$Apache::inputtags::params{$key};
256: }
257:
258: #no way to enter units, with radio buttons
259: if ($Apache::lonhomework::type eq 'exam' ||
260: lc($hideunit) eq "yes") {
261: delete($$args_ref{'unit'});
262: }
263: #sig fig don't make much sense either
264: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 265: &Apache::response::submitted('scantron') ||
266: $ignore_sig) &&
1.167 albertel 267: $tag eq 'numericalresponse') {
268: delete($$args_ref{'sig'});
269: }
270:
271: if ($tag eq 'formularesponse') {
1.193 albertel 272: # if ($$args_ref{'samples'}) {
1.191 www 273: $$args_ref{'type'}='fml';
1.193 albertel 274: # } else {
275: # $$args_ref{'type'}='math';
276: # }
1.167 albertel 277: } elsif ($tag eq 'numericalresponse') {
278: $$args_ref{'type'}='float';
279: }
1.194 ! albertel 280:
! 281: &add_in_tag_answer($parstack,$safeeval);
! 282:
! 283: #FIXME would be nice if we could save name so we know which answer
! 284: # graded the users submisson correct
1.181 albertel 285: my (%results,@final_awards,@final_msgs,@names);
286: foreach my $name (keys(%answer)) {
287: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 ! albertel 288:
! 289: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.181 albertel 290: my ($result,@msgs) =
291: &Apache::run::run("&caparesponse_check_list()",$safeeval);
292: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
293: my ($awards)=split(/:/,$result);
294: my @awards= split(/,/,$awards);
295: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
296: $results{$name}= [$ad,$msg];
297: push(@final_awards,$ad);
298: push(@final_msgs,$msg);
299: push(@names,$name);
300: }
301: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
302: \@final_msgs,
303: \@names,1);
1.194 ! albertel 304: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
! 305: return($ad,$msg, $name);
! 306: }
! 307:
! 308: sub add_in_tag_answer {
! 309: my ($parstack,$safeeval,$response_level) = @_;
! 310: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
! 311: $response_level);
! 312: &Apache::lonxml::debug('answer is'.join(':',@answer));
! 313: if (@answer && defined($answer[0])) {
! 314: $answer{'INTERNAL'}= {'type' => 'ordered',
! 315: 'answers' => \@answer };
! 316: }
1.167 albertel 317: }
318:
1.89 albertel 319: sub end_numericalresponse {
320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 321: my $increment=1;
1.89 albertel 322: my $result = '';
323: if (!$Apache::lonxml::default_homework_loaded) {
324: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 325: }
1.167 albertel 326: my $partid = $Apache::inputtags::part;
327: my $id = $Apache::inputtags::response[-1];
1.125 albertel 328: my $tag;
1.190 albertel 329: my $safehole = new Safe::Hole;
1.168 albertel 330: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 331: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
332:
1.125 albertel 333: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 334: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 335: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 336: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 337: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 338: $increment=&Apache::response::scored_response($partid,$id);
339: } else {
340: my $response = &Apache::response::getresponse();
341: if ( $response =~ /[^\s]/) {
342: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
343: &Apache::lonxml::debug("submitted a $response<br>\n");
344: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
345:
1.162 albertel 346: if ( &Apache::response::submitted('scantron')) {
1.184 albertel 347: my ($values,$display)=&make_numerical_bubbles($partid,$id,
348: $target,$parstack,$safeeval);
1.158 albertel 349: $response=$values->[$response];
1.95 albertel 350: }
1.115 albertel 351: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 ! albertel 352: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
! 353: $tag,$parstack,
! 354: $safeeval);
1.167 albertel 355:
1.142 albertel 356: &Apache::lonxml::debug('ad is'.$ad);
357: if ($ad eq 'SIG_FAIL') {
358: my ($sig_u,$sig_l)=
359: &get_sigrange($Apache::inputtags::params{'sig'});
360: $msg=join(':',$msg,$sig_l,$sig_u);
361: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
362: $Apache::inputtags::params{'sig'});
363: }
1.95 albertel 364: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.163 albertel 365: if ($Apache::lonhomework::type eq 'survey' &&
366: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
367: $ad eq 'EXACT_ANS')) {
368: $ad='SUBMITTED';
369: }
1.95 albertel 370: &Apache::response::handle_previous(\%previous,$ad);
371: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 372: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 ! albertel 373: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 374: $result='';
1.90 albertel 375: }
1.89 albertel 376: }
377: } elsif ($target eq 'web' || $target eq 'tex') {
378: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
379: my $status = $Apache::inputtags::status['-1'];
380: if ($Apache::lonhomework::type eq 'exam') {
1.194 ! albertel 381: # FIXME support multi dimensional numerical problems
! 382: # in exam bubbles
1.184 albertel 383: my ($bubble_values,$bubble_display)=
384: &make_numerical_bubbles($partid,$id,$target,$parstack,
385: $safeeval);
386: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 387: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
388: $safeeval);
389: my @alphabet=('A'..'Z');
390: if ($target eq 'web') {
1.125 albertel 391: if ($tag eq 'numericalresponse') {
1.89 albertel 392: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
393: $result.= '<table border="1"><tr>';
1.116 albertel 394: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 395: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 396: my $checked='';
1.158 albertel 397: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 398: $checked=" checked='on' ";
399: }
1.90 albertel 400: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 401: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 402: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 403: $bubble_display->[$ind].'</td>';
1.89 albertel 404: }
405: $result.='</tr></table>';
406: }
407: } elsif ($target eq 'tex') {
1.107 sakharuk 408: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 409: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
410: }
1.125 albertel 411: if ($tag eq 'numericalresponse') {
1.90 albertel 412: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 413: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 414: my $j=0;
415: my $cou=0;
416: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
417: for (my $i=0;$i<$number_of_tables;$i++) {
1.144 sakharuk 418: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
1.90 albertel 419: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 420: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 421: }
422: $result.='}';
1.90 albertel 423: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 424: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 425: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
426: }
427: $cou += $table_range[$j];
428: $j++;
429: $result.='\\\\\end{tabular}\vskip 0 mm ';
430: }
431: $result.='\end{enumerate}';
432: } else {
1.188 albertel 433: $increment = &Apache::response::repetition();
1.89 albertel 434: }
435: }
436: }
437: } elsif ($target eq 'edit') {
438: $result.='</td></tr>'.&Apache::edit::end_table;
439: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 440: my $part_id="$partid.$id";
1.89 albertel 441: if ($target eq 'analyze') {
442: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 443: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 444: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 445: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 446: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 447: &Apache::response::check_if_computed($token,$parstack,
448: $safeeval,'answer');
1.89 albertel 449: }
1.125 albertel 450: if (scalar(@$tagstack)) {
1.140 albertel 451: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 452: }
1.194 ! albertel 453: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 454: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 ! albertel 455:
1.58 sakharuk 456: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 457:
458: if ($target eq 'answer') {
1.125 albertel 459: $result.=&Apache::response::answer_header($tag);
1.185 albertel 460: if ($tag eq 'numericalresponse'
461: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 462: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
463: $id,$target,$parstack,$safeeval);
464: $result.=&Apache::response::answer_part($tag,$correct);
465: }
1.89 albertel 466: }
1.194 ! albertel 467: foreach my $name (sort(keys(%answer))) {
! 468: my @answers = @{ $answer{$name}{'answers'} };
! 469: my ($sigline,$tolline);
! 470: for(my $i=0;$i<=$#answers;$i++) {
! 471: my $ans=$answers[$i];
! 472: my $fmt=$formats[0];
! 473: if (@formats && $#formats) {$fmt=$formats[$i];}
! 474: my ($high,$low);
! 475: if ($Apache::inputtags::params{'tol'}) {
! 476: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
! 477: }
! 478: my ($sighigh,$siglow);
! 479: if ($Apache::inputtags::params{'sig'}) {
! 480: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
! 481: }
! 482: if ($fmt && $tag eq 'numericalresponse') {
! 483: $fmt=~s/e/E/g;
! 484: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
! 485: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
! 486: $ans = &format_number($ans,$fmt,$target,$safeeval);
! 487: #if ($high) {
! 488: # $high=&format_number($high,$fmt,$target,$safeeval);
! 489: # $low =&format_number($low,$fmt,$target,$safeeval);
! 490: #}
! 491: }
! 492: if ($target eq 'answer') {
! 493: if ($high && $tag eq 'numericalresponse') {
! 494: $ans.=' ['.$low.','.$high.']';
! 495: $tolline .= "[$low, $high]";
! 496: }
! 497: if (defined($sighigh) && $tag eq 'numericalresponse') {
! 498: if ($env{'form.answer_output_mode'} eq 'tex') {
! 499: $ans.= " Sig $siglow - $sighigh";
! 500: } else {
! 501: $ans.= " Sig <i>$siglow - $sighigh</i>";
! 502: $sigline .= "[$siglow, $sighigh]";
! 503: }
! 504: }
! 505: $result.=&Apache::response::answer_part($tag,$ans);
! 506: } elsif ($target eq 'analyze') {
! 507: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
! 508: if ($high) {
! 509: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
! 510: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
! 511: }
! 512: if ($fmt) {
! 513: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
! 514: }
! 515: }
! 516: }
! 517:
! 518: my @fmt_ans;
! 519: for(my $i=0;$i<=$#answers;$i++) {
! 520: my $ans=$answers[$i];
! 521: my $fmt=$formats[0];
! 522: if (@formats && $#formats) {$fmt=$formats[$i];}
! 523: if ($fmt && $tag eq 'numericalresponse') {
! 524: $fmt=~s/e/E/g;
! 525: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
! 526: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
! 527: $ans = &format_number($ans,$fmt,$target,$safeeval);
! 528: if ($fmt=~/\$/ && $unit!~/\$/) { $ans=~s/\$//; }
! 529: }
! 530: push(@fmt_ans,$ans);
! 531: }
! 532: my $response=join(', ',@fmt_ans);
! 533: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
! 534: $id.'.turnoffunit');
! 535: if ($unit ne '' &&
! 536: ! ($Apache::lonhomework::type eq 'exam' ||
! 537: lc($hideunit) eq "yes") ) {
! 538: my $cleanunit=$unit;
! 539: $cleanunit=~s/\$\,//g;
! 540: $response.=" $cleanunit";
1.60 sakharuk 541: }
1.194 ! albertel 542:
! 543: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
! 544: $parstack,$safeeval);
! 545: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
! 546: my $error;
! 547: if ($tag eq 'formularesponse') {
! 548: $error=&mt('Computer\'s answer is incorrect ("[_1]").[_2]',$response,$name);
! 549: } else {
! 550: # answer failed check if it is sig figs that is failing
! 551: my ($ad,$msg)=&check_submission($response,$partid,$id,
! 552: $tag,$parstack,
! 553: $safeeval,1);
! 554: if ($sigline ne '') {
! 555: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.[_4]',$response,$tolline,$sigline,$name);
1.98 sakharuk 556: } else {
1.194 ! albertel 557: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.[_3]',$response,$tolline,$name);
1.98 sakharuk 558: }
559: }
1.194 ! albertel 560: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
! 561: &Apache::lonxml::error($error);
! 562: } else {
! 563: &Apache::lonxml::warning($error);
1.165 albertel 564: }
1.79 sakharuk 565: }
1.176 albertel 566:
1.194 ! albertel 567: if (defined($unit) and ($unit ne '') and
! 568: $tag eq 'numericalresponse') {
! 569: if ($target eq 'answer') {
! 570: if ($env{'form.answer_output_mode'} eq 'tex') {
! 571: $result.=&Apache::response::answer_part($tag,
! 572: " Unit: $unit ");
! 573: } else {
! 574: $result.=&Apache::response::answer_part($tag,
! 575: "Unit: <b>$unit</b>");
! 576: }
! 577: } elsif ($target eq 'analyze') {
! 578: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 579: }
1.167 albertel 580: }
1.194 ! albertel 581: if ($tag eq 'formularesponse' && $target eq 'answer') {
! 582: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
! 583: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 584: }
585: }
586: if ($target eq 'answer') {
1.125 albertel 587: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 588: }
1.69 sakharuk 589: }
1.121 sakharuk 590: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 591: $target eq 'tex' || $target eq 'analyze') {
592: &Apache::lonxml::increment_counter($increment);
593: }
1.89 albertel 594: &Apache::response::end_response;
595: return $result;
1.90 albertel 596: }
597:
598: sub get_table_sizes {
1.128 sakharuk 599: my ($number_of_bubbles,$rbubble_values)=@_;
600: my $scale=2; #mm for one digit
601: my $cell_width=0;
602: foreach my $member (@$rbubble_values) {
603: my $cell_width_real=0;
1.160 albertel 604: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 605: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
606: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 607: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 608: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 609: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 610: } else {
1.138 sakharuk 611: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 612: }
613: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 614: }
1.132 sakharuk 615: $cell_width+=8;
1.130 sakharuk 616: my $textwidth;
1.166 albertel 617: if ($env{'form.textwidth'} ne '') {
618: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 619: $textwidth=$1.'.'.$2;
1.130 sakharuk 620: } else {
1.166 albertel 621: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 622: $textwidth=$1.'.'.$2;
1.130 sakharuk 623: }
1.128 sakharuk 624: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 625: if ($bubbles_per_line > $number_of_bubbles) {
626: $bubbles_per_line=$number_of_bubbles;
627: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
1.128 sakharuk 628: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 629: my @table_range = ();
1.128 sakharuk 630: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
631: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 632: $number_of_tables++;
1.128 sakharuk 633: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 634: }
1.128 sakharuk 635: $cell_width-=8;
1.136 sakharuk 636: $cell_width=$cell_width*3/4;
1.128 sakharuk 637: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 638: }
639:
640: sub format_number {
1.153 albertel 641: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 642: my $ans;
1.153 albertel 643: if ($format eq '') {
1.90 albertel 644: #What is the number? (integer,decimal,floating point)
1.187 albertel 645: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 646: $format = '3e';
1.90 albertel 647: } elsif ($number=~/^(\d*)\.(\d*)$/) {
648: $format = '4f';
649: } elsif ($number=~/^(\d*)$/) {
650: $format = 'd';
651: }
652: }
1.156 albertel 653: if (!$Apache::lonxml::default_homework_loaded) {
654: &Apache::lonxml::default_homework_load($safeeval);
655: }
1.153 albertel 656: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 657: return $ans;
658: }
659:
660: sub make_numerical_bubbles {
1.184 albertel 661: my ($part,$id,$target,$parstack,$safeeval) =@_;
662:
663: my $number_of_bubbles =
664: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
665:
666: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
667: my ($answer)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
668: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
669: $safeeval);
670: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
671:
1.158 albertel 672: my @bubble_values=();
1.184 albertel 673: my @alphabet=('A'..'Z');
674:
675: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 676: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 677: if (@incorrect) {
678: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
679: if (defined($incorrect[0]) &&
680: scalar(@incorrect)+1 >= $number_of_bubbles) {
681: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 682: &Apache::response::setrandomnumber();
1.184 albertel 683: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 684: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
685: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 686: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 687: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 688:
689: my $correct;
690: for(my $i=0; $i<=$#bubble_values;$i++) {
691: if ($bubble_values[$i] eq $answer) {
692: $correct = $alphabet[$i];
693: last;
694: }
695: }
696:
1.134 albertel 697: if (defined($format) && $format ne '') {
1.158 albertel 698: my @bubble_display;
1.137 albertel 699: foreach my $value (@bubble_values) {
1.158 albertel 700: push(@bubble_display,
701: &format_number($value,$format,$target,$safeeval));
1.134 albertel 702: }
1.184 albertel 703: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 704: } else {
1.184 albertel 705: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 706: }
1.117 albertel 707: }
1.184 albertel 708: if (defined($incorrect[0]) &&
709: scalar(@incorrect)+1 < $number_of_bubbles) {
710: &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 711: }
1.117 albertel 712: }
1.90 albertel 713: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 714: my @powers = (1..$number_of_bubbles);
1.90 albertel 715: &Apache::response::setrandomnumber();
716: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
717: my $power = $powers[$ind];
718: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
719: my $factor = $factors[$ind];
1.158 albertel 720: my @bubble_display;
1.90 albertel 721: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 722: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 723: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 724: $format,$target,$safeeval);
1.91 albertel 725:
1.90 albertel 726: }
1.184 albertel 727: my $correct = $alphabet[$number_of_bubbles-$power];
1.119 albertel 728: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 729: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 730: }
731:
732: sub get_tolrange {
1.89 albertel 733: my ($ans,$tol)=@_;
734: my ($high,$low);
735: if ($tol =~ /%$/) {
736: chop($tol);
737: my $change=$ans*($tol/100.0);
738: $high=$ans+$change;
739: $low=$ans-$change;
740: } else {
741: $high=$ans+$tol;
742: $low=$ans-$tol;
743: }
744: return ($high,$low);
1.52 albertel 745: }
746:
747: sub get_sigrange {
1.89 albertel 748: my ($sig)=@_;
749: &Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 750: my $courseid=$env{'request.course.id'};
751: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 752: return (15,0);
753: }
1.89 albertel 754: my $sig_lbound;
755: my $sig_ubound;
756: if ($sig eq '') {
757: $sig_lbound = 0; #SIG_LB_DEFAULT
758: $sig_ubound =15; #SIG_UB_DEFAULT
759: } else {
760: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 761: if (!defined($sig_lbound)) {
1.89 albertel 762: $sig_lbound = 0; #SIG_LB_DEFAULT
763: $sig_ubound =15; #SIG_UB_DEFAULT
764: }
1.145 albertel 765: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 766: }
767: if (($sig_ubound<$sig_lbound) ||
768: ($sig_lbound > 15) ||
769: ($sig =~/(\+|-)/ ) ) {
770: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 771: if ($env{'request.state'} eq 'construct') {
1.133 albertel 772: $errormsg.=
773: &Apache::loncommon::help_open_topic('Significant_Figures');
774: }
775: &Apache::lonxml::error($errormsg);
1.52 albertel 776: }
1.89 albertel 777: return ($sig_ubound,$sig_lbound);
1.34 albertel 778: }
779:
780: sub start_stringresponse {
1.89 albertel 781: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
782: my $result;
1.122 albertel 783: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 784: if ($target eq 'meta') {
785: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 786: } elsif ($target eq 'edit') {
787: $result.=&Apache::edit::tag_start($target,$token);
788: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
789: $result.=&Apache::edit::select_arg('Type:','type',
790: [['cs','Case Sensitive'],['ci','Case Insensitive'],
791: ['mc','Case Insensitive, Any Order'],
792: ['re','Regular Expression']],$token);
1.152 albertel 793: $result.=&Apache::edit::text_arg('String to display for answer:',
794: 'answerdisplay',$token);
1.122 albertel 795: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
796: } elsif ($target eq 'modified') {
1.146 albertel 797: my $constructtag;
798: $constructtag=&Apache::edit::get_new_args($token,$parstack,
799: $safeeval,'answer',
800: 'type','answerdisplay');
801: if ($constructtag) {
802: $result = &Apache::edit::rebuild_tag($token);
803: $result.=&Apache::edit::handle_insert();
804: }
805: } elsif ($target eq 'web') {
806: if ( &Apache::response::show_answer() ) {
1.152 albertel 807: my $answer=
808: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
809: if (!defined $answer || $answer eq '') {
810: $answer=
811: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
812: }
813: $Apache::inputtags::answertxt{$id}=$answer;
1.146 albertel 814: }
1.122 albertel 815: } elsif ($target eq 'answer' || $target eq 'grade') {
816: &Apache::response::reset_params();
1.89 albertel 817: }
818: return $result;
1.34 albertel 819: }
820:
821: sub end_stringresponse {
1.122 albertel 822: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 823:
1.122 albertel 824: my $result = '';
825: my $part=$Apache::inputtags::part;
826: my $id=$Apache::inputtags::response[-1];
827: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
828: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 829: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 830: &Apache::lonxml::debug("current $answer ".$token->[2]);
831: if (!$Apache::lonxml::default_homework_loaded) {
832: &Apache::lonxml::default_homework_load($safeeval);
833: }
1.162 albertel 834: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 835: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 836: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
837: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 838: &Apache::response::submitted('scantron')) {
1.189 albertel 839: &Apache::response::scored_response($part,$id);
840:
1.122 albertel 841: } else {
842: my $response = &Apache::response::getresponse();
843: if ( $response =~ /[^\s]/) {
844: my %previous = &Apache::response::check_for_previous($response,
845: $part,$id);
846: &Apache::lonxml::debug("submitted a $response<br>\n");
847: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
848: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
849: $response;
1.142 albertel 850: my ($ad,$msg);
1.122 albertel 851: if ($type eq 're' ) {
852: # if the RE wasn't in a var it likely got munged,
853: # thus grab it from the var directly
854: # my $testans=$token->[2]->{'answer'};
855: # if ($testans !~ m/^\s*\$/) {
856: # $answer=$token->[2]->{'answer'};
857: # }
1.143 albertel 858: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179 albertel 859: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 860: &Apache::lonxml::debug("current $response");
861: &Apache::lonxml::debug("current $answer");
862: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
863: } else {
1.143 albertel 864: my $args_ref=
865: \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
866:
867: $$args_ref{'response'}=$response;
1.122 albertel 868: &Apache::lonxml::debug("current $response");
1.143 albertel 869: $$args_ref{'type'}=
870: &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.122 albertel 871: foreach my $key (keys(%Apache::inputtags::params)) {
1.143 albertel 872: $$args_ref{$key}=$Apache::inputtags::params{$key};
1.122 albertel 873: }
874: &Apache::lonxml::debug('answer is'.join(':',$answer));
1.143 albertel 875: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
876: ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.142 albertel 877: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
878: my ($awards)=split(/:/,$result);
879: my (@awards) = split(/,/,$awards);
880: ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1.122 albertel 881: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
882: }
1.163 albertel 883: if ($Apache::lonhomework::type eq 'survey' &&
884: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
885: $ad eq 'EXACT_ANS')) {
886: $ad='SUBMITTED';
887: }
1.122 albertel 888: &Apache::response::handle_previous(\%previous,$ad);
889: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 890: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 891: }
892: }
893: } elsif ($target eq 'answer' || $target eq 'analyze') {
894: if ($target eq 'analyze') {
895: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 896: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 897: &Apache::response::check_if_computed($token,$parstack,$safeeval,
898: 'answer');
1.122 albertel 899: }
1.140 albertel 900: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 901: if ($target eq 'answer') {
1.125 albertel 902: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 903: }
904: # foreach my $ans (@answers) {
905: if ($target eq 'answer') {
1.125 albertel 906: $result.=&Apache::response::answer_part('stringresponse',$answer);
1.178 albertel 907: if ($type eq 're') {
908: $result.=&Apache::response::answer_part('stringresponse',
909: $answerdisplay);
910: }
1.122 albertel 911: } elsif ($target eq 'analyze') {
912: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
913: $answer);
914: }
915: # }
916: my $string='Case Insensitive';
917: if ($type eq 'mc') {
918: $string='Multiple Choice';
919: } elsif ($type eq 'cs') {
920: $string='Case Sensitive';
921: } elsif ($type eq 'ci') {
922: $string='Case Insensitive';
923: } elsif ($type eq 're') {
924: $string='Regular Expression';
925: }
926: if ($target eq 'answer') {
1.166 albertel 927: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 928: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 929: "$string");
930: } else {
1.125 albertel 931: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 932: "<b>$string</b>");
933: }
934: } elsif ($target eq 'analyze') {
935: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
936: $type);
937: }
938: if ($target eq 'answer') {
1.125 albertel 939: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 940: }
941: } elsif ($target eq 'edit') {
942: $result.='</td></tr>'.&Apache::edit::end_table;
943: }
944: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
945: $target eq 'tex' || $target eq 'analyze') {
1.189 albertel 946: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1.122 albertel 947: }
948: &Apache::response::end_response;
949: return $result;
1.44 albertel 950: }
951:
952: sub start_formularesponse {
1.89 albertel 953: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
954: my $result;
955: if ($target eq 'meta') {
1.104 bowersj2 956: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 957: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 958: &Apache::response::end_response();
1.89 albertel 959: } else {
960: $result.=&start_numericalresponse(@_);
961: }
962: return $result;
1.44 albertel 963: }
964:
965: sub end_formularesponse {
1.89 albertel 966: return end_numericalresponse(@_);
1.3 albertel 967: }
968:
1.1 albertel 969: 1;
1.3 albertel 970: __END__
1.89 albertel 971:
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