1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.175 2005/07/14 02:52:22 albertel Exp $
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: #
28:
29: package Apache::caparesponse;
30: use strict;
31: use capa;
32: use Apache::lonlocal;
33: use Apache::lonnet;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
37: }
38:
39: sub start_numericalresponse {
40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
41: my $id = &Apache::response::start_response($parstack,$safeeval);
42: my $result;
43: undef %{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
44: if ($target eq 'edit') {
45: $result.=&Apache::edit::tag_start($target,$token);
46: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
47: if ($token->[1] eq 'numericalresponse') {
48: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
49: $token).
50: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
51: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
52: &Apache::loncommon::help_open_topic('Physical_Units');
53: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
54: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
55: } elsif ($token->[1] eq 'formularesponse') {
56: $result.=&Apache::edit::text_arg('Sample Points:','samples',
57: $token,40).
58: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
59: }
60: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
61: } elsif ($target eq 'modified') {
62: my $constructtag;
63: if ($token->[1] eq 'numericalresponse') {
64: $constructtag=&Apache::edit::get_new_args($token,$parstack,
65: $safeeval,'answer',
66: 'incorrect','unit',
67: 'format');
68: } elsif ($token->[1] eq 'formularesponse') {
69: $constructtag=&Apache::edit::get_new_args($token,$parstack,
70: $safeeval,'answer',
71: 'samples');
72: }
73: if ($constructtag) {
74: $result = &Apache::edit::rebuild_tag($token);
75: $result.=&Apache::edit::handle_insert();
76: }
77: } elsif ($target eq 'meta') {
78: $result=&Apache::response::meta_package_write('numericalresponse');
79: } elsif ($target eq 'answer' || $target eq 'grade') {
80: &Apache::response::reset_params();
81: } elsif ($target eq 'web') {
82: my $partid = $Apache::inputtags::part;
83: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
84: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
85: #no way to enter units, with radio buttons
86: if (lc($hideunit) eq "yes") {
87: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
88: $safeeval);
89: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
90: }
91: if ( &Apache::response::show_answer() ) {
92: my $answertxt;
93: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
94: $safeeval);
95: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
96: $safeeval);
97: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
98: $safeeval);
99: for (my $i=0; $i <= $#answers; $i++) {
100: my $answer=$answers[$i];
101: my $format;
102: if ($#formats > 0) {
103: $format=$formats[$i];
104: } else {
105: $format=$formats[0];
106: }
107: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
108: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
109: my $formatted=&format_number($answer,$format,$target,
110: $safeeval);
111: $answertxt.=$formatted.',';
112: }
113: chop $answertxt;
114: if ($target eq 'web') {
115: $answertxt.=" $unit ";
116: }
117: $Apache::inputtags::answertxt{$id}=$answertxt;
118: }
119: }
120: return $result;
121: }
122:
123: sub check_submission {
124: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
125: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
126: $$args_ref{'response'}=$response;
127: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
128:
129: foreach my $arg ('type','tol','sig','format','unit','calc',
130: 'samples') {
131: $$args_ref{$arg}=
132: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
133: }
134: foreach my $key (keys(%Apache::inputtags::params)) {
135: $$args_ref{$key}=$Apache::inputtags::params{$key};
136: }
137:
138: #no way to enter units, with radio buttons
139: if ($Apache::lonhomework::type eq 'exam' ||
140: lc($hideunit) eq "yes") {
141: delete($$args_ref{'unit'});
142: }
143: #sig fig don't make much sense either
144: if (($Apache::lonhomework::type eq 'exam' ||
145: &Apache::response::submitted('scantron') ||
146: $ignore_sig) &&
147: $tag eq 'numericalresponse') {
148: delete($$args_ref{'sig'});
149: }
150:
151: if ($tag eq 'formularesponse') {
152: $$args_ref{'type'}='fml';
153: } elsif ($tag eq 'numericalresponse') {
154: $$args_ref{'type'}='float';
155: }
156: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
157: &Apache::lonxml::debug('answer is'.join(':',@answer));
158: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
159:
160: my ($result,@msgs) =
161: &Apache::run::run("&caparesponse_check_list()",$safeeval);
162: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
163: my ($awards)=split(/:/,$result);
164: my @awards= split(/,/,$awards);
165: return(\@awards,\@msgs);
166: }
167:
168: sub end_numericalresponse {
169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
170: my $increment=1;
171: my $result = '';
172: if (!$Apache::lonxml::default_homework_loaded) {
173: &Apache::lonxml::default_homework_load($safeeval);
174: }
175: my $partid = $Apache::inputtags::part;
176: my $id = $Apache::inputtags::response[-1];
177: my $tag;
178: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
179: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
180: if ( $target eq 'grade' && &Apache::response::submitted() ) {
181: &Apache::response::setup_params($tag,$safeeval);
182: if ($Apache::lonhomework::type eq 'exam' &&
183: $tag eq 'formularesponse') {
184: $increment=&Apache::response::scored_response($partid,$id);
185: } else {
186: my $response = &Apache::response::getresponse();
187: if ( $response =~ /[^\s]/) {
188: my $ad;
189: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
190: &Apache::lonxml::debug("submitted a $response<br>\n");
191: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
192:
193: if ( &Apache::response::submitted('scantron')) {
194: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
195: if (!$number_of_bubbles) { $number_of_bubbles=8; }
196: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
197: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
198: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
199: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
200: my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval);
201: $response=$values->[$response];
202: }
203: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
204: my ($awards,$msgs)=&check_submission($response,$partid,$id,
205: $tag,$parstack,$safeeval);
206:
207: ($ad,my $msg) = &Apache::inputtags::finalizeawards($awards,$msgs);
208: &Apache::lonxml::debug('ad is'.$ad);
209: if ($ad eq 'SIG_FAIL') {
210: my ($sig_u,$sig_l)=
211: &get_sigrange($Apache::inputtags::params{'sig'});
212: $msg=join(':',$msg,$sig_l,$sig_u);
213: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
214: $Apache::inputtags::params{'sig'});
215: }
216: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
217: if ($Apache::lonhomework::type eq 'survey' &&
218: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
219: $ad eq 'EXACT_ANS')) {
220: $ad='SUBMITTED';
221: }
222: &Apache::response::handle_previous(\%previous,$ad);
223: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
224: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
225: $result='';
226: }
227: }
228: } elsif ($target eq 'web' || $target eq 'tex') {
229: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
230: $safeeval);
231: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
232: my $status = $Apache::inputtags::status['-1'];
233: if ($Apache::lonhomework::type eq 'exam') {
234: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
235: if ($Apache::inputtags::params{'numbubbles'}) {
236: $number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
237: }
238: if (!$number_of_bubbles) { $number_of_bubbles=8; }
239:
240: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
241: $safeeval);
242: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
243: $safeeval);
244: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
245: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
246: my ($bubble_values,$bubble_display)=
247: &make_numerical_bubbles($number_of_bubbles,
248: $target,$answers[0],
249: $formats[0],\@incorrect,$safeeval);
250: my @alphabet=('A'..'Z');
251: if ($target eq 'web') {
252: if ($tag eq 'numericalresponse') {
253: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
254: $result.= '<table border="1"><tr>';
255: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
256: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
257: my $checked='';
258: if ($previous eq $bubble_values->[$ind]) {
259: $checked=" checked='on' ";
260: }
261: $result.='<td><input type="radio" name="HWVAL_'.$id.
262: '" value="'.$bubble_values->[$ind].'" '.$checked
263: .' /><b>'.$alphabet[$ind].'</b>: '.
264: $bubble_display->[$ind].'</td>';
265: }
266: $result.='</tr></table>';
267: } elsif ($tag eq 'formularesponse') {
268: $result.= '<br /><br /><font color="red">
269: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
270: </textarea></font> <br /><br />';
271: }
272: } elsif ($target eq 'tex') {
273: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
274: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
275: }
276: if ($tag eq 'numericalresponse') {
277: my ($celllength,$number_of_tables,@table_range)=
278: &get_table_sizes($number_of_bubbles,$bubble_display);
279: my $j=0;
280: my $cou=0;
281: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
282: for (my $i=0;$i<$number_of_tables;$i++) {
283: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
284: for (my $ind=0;$ind<$table_range[$j];$ind++) {
285: $result.='p{3 mm}p{'.$celllength.' mm}';
286: }
287: $result.='}';
288: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
289: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
290: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
291: }
292: $cou += $table_range[$j];
293: $j++;
294: $result.='\\\\\end{tabular}\vskip 0 mm ';
295: }
296: $result.='\end{enumerate}';
297: } else {
298: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
299: my $repetition = &Apache::response::repetition();
300: $result.='\begin{enumerate}';
301: for (my $i=0;$i<$repetition;$i++) {
302: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
303: }
304: $increment=$repetition;
305: $result.= '\end{enumerate}';
306: }
307: }
308: }
309: } elsif ($target eq 'edit') {
310: $result.='</td></tr>'.&Apache::edit::end_table;
311: } elsif ($target eq 'answer' || $target eq 'analyze') {
312: my $part_id="$partid.$id";
313: if ($target eq 'analyze') {
314: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
315: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
316: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
317: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
318: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
319: &Apache::response::check_if_computed($token,$parstack,
320: $safeeval,'answer');
321: }
322: if (scalar(@$tagstack)) {
323: &Apache::response::setup_params($tag,$safeeval);
324: }
325: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
326: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
327: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
328: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
329:
330: if ($target eq 'answer') {
331: $result.=&Apache::response::answer_header($tag);
332: }
333: for(my $i=0;$i<=$#answers;$i++) {
334: my $ans=$answers[$i];
335: my $fmt=$formats[0];
336: if (@formats && $#formats) {$fmt=$formats[$i];}
337: my ($high,$low);
338: if ($Apache::inputtags::params{'tol'}) {
339: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
340: }
341: my ($sighigh,$siglow);
342: if ($Apache::inputtags::params{'sig'}) {
343: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
344: }
345: if ($fmt && $tag eq 'numericalresponse') {
346: $fmt=~s/e/E/g;
347: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
348: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
349: $ans = &format_number($ans,$fmt,$target,$safeeval);
350: #if ($high) {
351: # $high=&format_number($high,$fmt,$target,$safeeval);
352: # $low =&format_number($low,$fmt,$target,$safeeval);
353: #}
354: }
355: my $response=$ans;
356: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
357: $id.'.turnoffunit');
358: if ($unit ne '' &&
359: ! ($Apache::lonhomework::type eq 'exam' ||
360: lc($hideunit) eq "yes") ) {
361: my $cleanunit=$unit;
362: $cleanunit=~s/\$\,//g;
363: $response.=" $cleanunit";
364: }
365: if ($target eq 'answer') {
366: if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
367: if (defined($sighigh) && $tag eq 'numericalresponse') {
368: if ($env{'form.answer_output_mode'} eq 'tex') {
369: $ans.= " Sig $siglow - $sighigh";
370: } else {
371: $ans.= " Sig <i>$siglow - $sighigh</i>";
372: }
373: }
374: $result.=&Apache::response::answer_part($tag,$ans);
375: } elsif ($target eq 'analyze') {
376: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
377: if ($high) {
378: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
379: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
380: }
381: if ($fmt) {
382: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
383: }
384: }
385: my ($awards,$msgs)=&check_submission($response,$partid,$id,$tag,
386: $parstack,$safeeval);
387: my ($ad,$msg) =&Apache::inputtags::finalizeawards($awards,$msgs);
388: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
389: my $error;
390: if ($tag eq 'formularesponse') {
391: $error=&mt('Computer\'s answer is incorrect ("[_1]").');
392: } else {
393: # answer failed check if it is sig figs that is failing
394: my ($awards,$msgs)=&check_submission($response,$partid,$id,
395: $tag,$parstack,
396: $safeeval,1);
397: ($ad,$msg)=&Apache::inputtags::finalizeawards($awards,
398: $msgs);
399:
400: if ($siglow ne '' && $sighigh ne '') {
401: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") or significant figures ("[_4]" to "[_5]") need to be adjusted.',$response,$low,$high,$siglow,$sighigh);
402: } else {
403: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") needs to be adjusted.',$response,$low,$high);
404: }
405: }
406: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
407: &Apache::lonxml::error($error);
408: } else {
409: &Apache::lonxml::warning($error);
410: }
411: }
412: }
413: if (defined($unit) and ($unit ne '') and
414: $tag eq 'numericalresponse') {
415: if ($target eq 'answer') {
416: if ($env{'form.answer_output_mode'} eq 'tex') {
417: $result.=&Apache::response::answer_part($tag,
418: " Unit: $unit ");
419: } else {
420: $result.=&Apache::response::answer_part($tag,
421: "Unit: <b>$unit</b>");
422: }
423: } elsif ($target eq 'analyze') {
424: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
425: }
426: }
427: if ($tag eq 'formularesponse' && $target eq 'answer') {
428: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
429: $result.=&Apache::response::answer_part($tag,$samples);
430: }
431: if ($target eq 'answer') {
432: $result.=&Apache::response::answer_footer($tag);
433: }
434: }
435: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
436: $target eq 'tex' || $target eq 'analyze') {
437: &Apache::lonxml::increment_counter($increment);
438: }
439: &Apache::response::end_response;
440: return $result;
441: }
442:
443: sub get_table_sizes {
444: my ($number_of_bubbles,$rbubble_values)=@_;
445: my $scale=2; #mm for one digit
446: my $cell_width=0;
447: foreach my $member (@$rbubble_values) {
448: my $cell_width_real=0;
449: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
450: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
451: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
452: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
453: } elsif ($member=~/(\d*)\.(\d*)/) {
454: $cell_width_real=(length($1)+length($2)+3)*$scale;
455: } else {
456: $cell_width_real=(length($member)+1)*$scale*0.9;
457: }
458: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
459: }
460: $cell_width+=8;
461: my $textwidth;
462: if ($env{'form.textwidth'} ne '') {
463: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
464: $textwidth=$1.'.'.$2;
465: } else {
466: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
467: $textwidth=$1.'.'.$2;
468: }
469: my $bubbles_per_line=int($textwidth/$cell_width);
470: if ($bubbles_per_line > $number_of_bubbles) {
471: $bubbles_per_line=$number_of_bubbles;
472: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
473: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
474: my @table_range = ();
475: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
476: if ($number_of_bubbles % $bubbles_per_line) {
477: $number_of_tables++;
478: push @table_range,($number_of_bubbles % $bubbles_per_line);
479: }
480: $cell_width-=8;
481: $cell_width=$cell_width*3/4;
482: return ($cell_width,$number_of_tables,@table_range);
483: }
484:
485: sub format_number {
486: my ($number,$format,$target,$safeeval)=@_;
487: my $ans;
488: if ($format eq '') {
489: #What is the number? (integer,decimal,floating point)
490: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
491: $format = '3e';
492: } elsif ($number=~/^(\d*)\.(\d*)$/) {
493: $format = '4f';
494: } elsif ($number=~/^(\d*)$/) {
495: $format = 'd';
496: }
497: }
498: if (!$Apache::lonxml::default_homework_loaded) {
499: &Apache::lonxml::default_homework_load($safeeval);
500: }
501: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
502: return $ans;
503: }
504:
505: sub make_numerical_bubbles {
506: my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_;
507: my @bubble_values=();
508: &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
509: my @oldseed=&Math::Random::random_get_seed();
510: if (defined($incorrect) && ref($incorrect)) {
511: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
512: if (defined($$incorrect[0]) &&
513: scalar(@$incorrect)+1 >= $number_of_bubbles) {
514: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
515: &Apache::response::setrandomnumber();
516: my @rand_inc=&Math::Random::random_permutation(@$incorrect);
517: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
518: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
519: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
520: &Math::Random::random_set_seed(@oldseed);
521: if (defined($format) && $format ne '') {
522: my @bubble_display;
523: foreach my $value (@bubble_values) {
524: push(@bubble_display,
525: &format_number($value,$format,$target,$safeeval));
526: }
527: return (\@bubble_values,\@bubble_display);
528: } else {
529: return (\@bubble_values,\@bubble_values);
530: }
531: }
532: if (defined($$incorrect[0]) &&
533: scalar(@$incorrect)+1 < $number_of_bubbles) {
534: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).").");
535: }
536: }
537: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
538: my @powers = (1..$number_of_bubbles);
539: &Apache::response::setrandomnumber();
540: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
541: my $power = $powers[$ind];
542: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
543: my $factor = $factors[$ind];
544: my @bubble_display;
545: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
546: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
547: $bubble_display[$ind] = &format_number($bubble_values[$ind],
548: $format,$target,$safeeval);
549:
550: }
551: &Math::Random::random_set_seed(@oldseed);
552: return (\@bubble_values,\@bubble_display);
553: }
554:
555: sub get_tolrange {
556: my ($ans,$tol)=@_;
557: my ($high,$low);
558: if ($tol =~ /%$/) {
559: chop($tol);
560: my $change=$ans*($tol/100.0);
561: $high=$ans+$change;
562: $low=$ans-$change;
563: } else {
564: $high=$ans+$tol;
565: $low=$ans-$tol;
566: }
567: return ($high,$low);
568: }
569:
570: sub get_sigrange {
571: my ($sig)=@_;
572: &Apache::lonxml::debug("Got a sig of :$sig:");
573: my $courseid=$env{'request.course.id'};
574: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
575: return (15,0);
576: }
577: my $sig_lbound;
578: my $sig_ubound;
579: if ($sig eq '') {
580: $sig_lbound = 0; #SIG_LB_DEFAULT
581: $sig_ubound =15; #SIG_UB_DEFAULT
582: } else {
583: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
584: if (!defined($sig_lbound)) {
585: $sig_lbound = 0; #SIG_LB_DEFAULT
586: $sig_ubound =15; #SIG_UB_DEFAULT
587: }
588: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
589: }
590: if (($sig_ubound<$sig_lbound) ||
591: ($sig_lbound > 15) ||
592: ($sig =~/(\+|-)/ ) ) {
593: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
594: if ($env{'request.state'} eq 'construct') {
595: $errormsg.=
596: &Apache::loncommon::help_open_topic('Significant_Figures');
597: }
598: &Apache::lonxml::error($errormsg);
599: }
600: return ($sig_ubound,$sig_lbound);
601: }
602:
603: sub start_stringresponse {
604: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
605: my $result;
606: my $id = &Apache::response::start_response($parstack,$safeeval);
607: if ($target eq 'meta') {
608: $result=&Apache::response::meta_package_write('stringresponse');
609: } elsif ($target eq 'edit') {
610: $result.=&Apache::edit::tag_start($target,$token);
611: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
612: $result.=&Apache::edit::select_arg('Type:','type',
613: [['cs','Case Sensitive'],['ci','Case Insensitive'],
614: ['mc','Case Insensitive, Any Order'],
615: ['re','Regular Expression']],$token);
616: $result.=&Apache::edit::text_arg('String to display for answer:',
617: 'answerdisplay',$token);
618: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
619: } elsif ($target eq 'modified') {
620: my $constructtag;
621: $constructtag=&Apache::edit::get_new_args($token,$parstack,
622: $safeeval,'answer',
623: 'type','answerdisplay');
624: if ($constructtag) {
625: $result = &Apache::edit::rebuild_tag($token);
626: $result.=&Apache::edit::handle_insert();
627: }
628: } elsif ($target eq 'web') {
629: if ( &Apache::response::show_answer() ) {
630: my $answer=
631: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
632: if (!defined $answer || $answer eq '') {
633: $answer=
634: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
635: }
636: $Apache::inputtags::answertxt{$id}=$answer;
637: }
638: } elsif ($target eq 'answer' || $target eq 'grade') {
639: &Apache::response::reset_params();
640: }
641: return $result;
642: }
643:
644: sub end_stringresponse {
645: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
646: my $increment=1;
647: my $result = '';
648: my $part=$Apache::inputtags::part;
649: my $id=$Apache::inputtags::response[-1];
650: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
651: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
652: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
653: &Apache::lonxml::debug("current $answer ".$token->[2]);
654: if (!$Apache::lonxml::default_homework_loaded) {
655: &Apache::lonxml::default_homework_load($safeeval);
656: }
657: if ( $target eq 'grade' && &Apache::response::submitted() ) {
658: &Apache::response::setup_params('stringresponse',$safeeval);
659: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
660: if ($Apache::lonhomework::type eq 'exam' ||
661: &Apache::response::submitted('scantron')) {
662: $increment=&Apache::response::scored_response($part,$id);
663: } else {
664: my $response = &Apache::response::getresponse();
665: if ( $response =~ /[^\s]/) {
666: my %previous = &Apache::response::check_for_previous($response,
667: $part,$id);
668: &Apache::lonxml::debug("submitted a $response<br>\n");
669: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
670: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
671: $response;
672: my ($ad,$msg);
673: if ($type eq 're' ) {
674: # if the RE wasn't in a var it likely got munged,
675: # thus grab it from the var directly
676: # my $testans=$token->[2]->{'answer'};
677: # if ($testans !~ m/^\s*\$/) {
678: # $answer=$token->[2]->{'answer'};
679: # }
680: ${$safeeval->varglob('LONCAPA::response')}=$response;
681: $result = &Apache::run::run('return $LONCAPA::response=~m'.$answer,$safeeval);
682: &Apache::lonxml::debug("current $response");
683: &Apache::lonxml::debug("current $answer");
684: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
685: } else {
686: my $args_ref=
687: \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
688:
689: $$args_ref{'response'}=$response;
690: &Apache::lonxml::debug("current $response");
691: $$args_ref{'type'}=
692: &Apache::lonxml::get_param('type',$parstack,$safeeval);
693: foreach my $key (keys(%Apache::inputtags::params)) {
694: $$args_ref{$key}=$Apache::inputtags::params{$key};
695: }
696: &Apache::lonxml::debug('answer is'.join(':',$answer));
697: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
698: ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
699: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
700: my ($awards)=split(/:/,$result);
701: my (@awards) = split(/,/,$awards);
702: ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
703: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
704: }
705: if ($Apache::lonhomework::type eq 'survey' &&
706: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
707: $ad eq 'EXACT_ANS')) {
708: $ad='SUBMITTED';
709: }
710: &Apache::response::handle_previous(\%previous,$ad);
711: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
712: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
713: }
714: }
715: } elsif ($target eq 'web' || $target eq 'tex') {
716: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
717: my $status = $Apache::inputtags::status['-1'];
718: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
719: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
720: $increment = &Apache::response::repetition();
721: $result.='\begin{enumerate}';
722: for (my $i=0;$i<$increment;$i++) {
723: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
724: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
725: }
726: $result.= '\end{enumerate}';
727: }
728: } elsif ($target eq 'answer' || $target eq 'analyze') {
729: if ($target eq 'analyze') {
730: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
731: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
732: &Apache::response::check_if_computed($token,$parstack,$safeeval,
733: 'answer');
734: }
735: &Apache::response::setup_params('stringresponse',$safeeval);
736: if ($target eq 'answer') {
737: $result.=&Apache::response::answer_header('stringresponse');
738: }
739: # foreach my $ans (@answers) {
740: if ($target eq 'answer') {
741: $result.=&Apache::response::answer_part('stringresponse',$answer);
742: } elsif ($target eq 'analyze') {
743: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
744: $answer);
745: }
746: # }
747: my $string='Case Insensitive';
748: if ($type eq 'mc') {
749: $string='Multiple Choice';
750: } elsif ($type eq 'cs') {
751: $string='Case Sensitive';
752: } elsif ($type eq 'ci') {
753: $string='Case Insensitive';
754: } elsif ($type eq 're') {
755: $string='Regular Expression';
756: }
757: if ($target eq 'answer') {
758: if ($env{'form.answer_output_mode'} eq 'tex') {
759: $result.=&Apache::response::answer_part('stringresponse',
760: "$string");
761: } else {
762: $result.=&Apache::response::answer_part('stringresponse',
763: "<b>$string</b>");
764: }
765: } elsif ($target eq 'analyze') {
766: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
767: $type);
768: }
769: if ($target eq 'answer') {
770: $result.=&Apache::response::answer_footer('stringresponse');
771: }
772: } elsif ($target eq 'edit') {
773: $result.='</td></tr>'.&Apache::edit::end_table;
774: }
775: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
776: $target eq 'tex' || $target eq 'analyze') {
777: &Apache::lonxml::increment_counter($increment);
778: }
779: &Apache::response::end_response;
780: return $result;
781: }
782:
783: sub start_formularesponse {
784: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
785: my $result;
786: if ($target eq 'meta') {
787: &Apache::response::start_response($parstack,$safeeval);
788: $result=&Apache::response::meta_package_write('formularesponse');
789: &Apache::response::end_response();
790: } else {
791: $result.=&start_numericalresponse(@_);
792: }
793: return $result;
794: }
795:
796: sub end_formularesponse {
797: return end_numericalresponse(@_);
798: }
799:
800: 1;
801: __END__
802:
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