1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.89 2003/04/07 23:19:58 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:
33: BEGIN {
34: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
35: }
36:
37: sub start_numericalresponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
39: my $id = &Apache::response::start_response($parstack,$safeeval);
40: my $result;
41: if ($target eq 'edit') {
42: $result.=&Apache::edit::tag_start($target,$token);
43: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
44: if ($token->[1] eq 'numericalresponse') {
45: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
46: &Apache::loncommon::help_open_topic('Physical_Units');
47: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
48: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
49: } elsif ($token->[1] eq 'stringresponse') {
50: $result.=&Apache::edit::select_arg('Type:','type',
51: [['cs','Case Sensitive'],['ci','Case Insensitive'],
52: ['mc','Case Insensitive, Any Order']],$token);
53: } elsif ($token->[1] eq 'formularesponse') {
54: $result.=&Apache::edit::text_arg('Sample Points:','samples',
55: $token,40).
56: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
57: }
58: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
59: } elsif ($target eq 'modified') {
60: my $constructtag;
61: if ($token->[1] eq 'numericalresponse') {
62: $constructtag=&Apache::edit::get_new_args($token,$parstack,
63: $safeeval,'answer',
64: 'unit','format');
65: } elsif ($token->[1] eq 'stringresponse') {
66: $constructtag=&Apache::edit::get_new_args($token,$parstack,
67: $safeeval,'answer',
68: 'type');
69: } elsif ($token->[1] eq 'formularesponse') {
70: $constructtag=&Apache::edit::get_new_args($token,$parstack,
71: $safeeval,'answer',
72: 'samples');
73: }
74: if ($constructtag) {
75: $result = &Apache::edit::rebuild_tag($token);
76: $result.=&Apache::edit::handle_insert();
77: }
78: } elsif ($target eq 'meta') {
79: $result=&Apache::response::meta_package_write('numericalresponse');
80: } elsif ($target eq 'answer' || $target eq 'grade') {
81: &Apache::response::reset_params();
82: }
83: return $result;
84: }
85:
86: sub end_numericalresponse {
87: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
88: my $result = '';
89: if (!$Apache::lonxml::default_homework_loaded) {
90: &Apache::lonxml::default_homework_load($safeeval);
91: }
92: if ( $target eq 'grade' ) {
93: if ( defined $ENV{'form.submitted'}) {
94: &Apache::response::setup_params($$tagstack[-1]);
95: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
96: my $partid = $Apache::inputtags::part;
97: my $id = $Apache::inputtags::response['-1'];
98: my $response = &Apache::response::getresponse();
99: if ( $response =~ /[^\s]/) {
100: my $ad;
101: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
102: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
103: &Apache::lonxml::debug("submitted a $response<br>\n");
104: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
105: if ($Apache::lonhomework::type eq 'exam' &&
106: ($$tagstack[-1] eq 'numericalresponse')) {
107: &Apache::response::setrandomnumber();
108: #FIXME the 8 here is based off of number of powers need a parameter
109: my $ind=&Math::Random::random_uniform_integer(1,0,8);
110: if ($ind eq $response) { $ad='CORRECT'; } else { $ad='INCORRECT'; }
111: } else {
112: $response =~ s/\\/\\\\/g;
113: $response =~ s/\'/\\\'/g;
114: &Apache::lonxml::debug("current $response");
115: my $expression="&caparesponse_check_list('".$response."','".
116: $$parstack[-1];
117: foreach my $key (keys(%Apache::inputtags::params)) {
118: $expression.= ';my $'. #'
119: $key.'="'.$Apache::inputtags::params{$key}.'"';
120: }
121: if ($$tagstack[-1] eq 'formularesponse') {
122: $expression.=';my $type="fml";';
123: } elsif ($$tagstack[-1] eq 'numericalresponse') {
124: $expression.=';my $type="float";';
125: }
126: $expression.="');";
127: $result = &Apache::run::run($expression,$safeeval);
128: my ($awards) = split /:/ , $result;
129: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
130: &Apache::lonxml::debug("$expression");
131: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
132: }
133: &Apache::response::handle_previous(\%previous,$ad);
134: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
135: $result='';
136: }
137: }
138: } elsif ($target eq 'web' || $target eq 'tex') {
139: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
140: my $status = $Apache::inputtags::status['-1'];
141: if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
142: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
143: $safeeval);
144: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
145: $safeeval);
146: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
147: $safeeval);
148:
149: if ($target eq 'web') {
150: $result="<br />The correct answer is ";
151: } elsif ($target eq 'tex') {
152: #$result='\vskip 0 mm The correct answer is \\texttt{';
153: }
154: for (my $i=0; $i <= $#answers; $i++) {
155: my $answer=$answers[$i];
156: my $format;
157: if ($#formats > 0) {
158: $format=$formats[$i];
159: } else {
160: $format=$formats[0];
161: }
162: my $formatted;
163: if ((defined($format)) && ($format ne '')) {
164: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
165: $formatted=sprintf('%.'.$format,$answer).',';
166: } else {
167: &Apache::lonxml::debug("no format answer :$answer:");
168: $formatted="$answer,";
169: }
170:
171: if ($target eq 'tex') {
172: $formatted='';
173: #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
174: }
175: $result.=$formatted;
176: }
177: chop $result;
178: if ($target eq 'web') {
179: $result.=" $unit.<br />";
180: } elsif ($target eq 'tex') {
181: #$result.=&Apache::lonxml::latex_special_symbols($unit);
182: #$result.="}. \\vskip 0 mm ";
183: }
184: }
185: if ($Apache::lonhomework::type eq 'exam') {
186: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
187: $safeeval);
188: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
189: $safeeval);
190: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
191: $safeeval);
192: my $number_of_bubbles = 8; #default values for number of bubbles
193: my @bubbles_values = ();
194: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
195: my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
196: &Apache::response::setrandomnumber();
197: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
198: my $power = $powers[$ind];
199: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
200: my $factor = $factors[$ind];
201: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
202: $bubbles_values[$ind] = $answers[0]*($factor**($power-$powers[$#powers-$ind]));
203: }
204: my @alphabet=('A'..'Z');
205: if ($target eq 'web') {
206: if ($$tagstack[-1] eq 'numericalresponse') {
207: my $id=$Apache::inputtags::response[-1];
208: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
209: $result.= '<table border="1"><tr>';
210: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
211: my $ans;
212: if ($formats[0] ne '') {
213: $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
214: } else {
215: my $badans = $bubbles_values[$ind];
216: my $format = '';
217: #What is the number? (integer,decimal,floating point)
218: if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
219: $format = 'e'.$2;
220: } elsif ($badans=~/^(\d*)\.(\d*)$/) {
221: $format = '4f';
222: } elsif ($badans=~/^(\d*)$/) {
223: $format = 'd';
224: }
225: $ans = sprintf('%.'.$format,$bubbles_values[$ind]);
226: }
227: $result.='<td><input type="radio" name="HWVAL_'.$id.'" value="'.$ans.'"><b>'.$alphabet[$ind].'</b>: '.$ans.'</td>';
228: }
229: $result.='</tr></table>';
230: } elsif ($$tagstack[-1] eq 'formularesponse') {
231: $result.= '<br /><br /><font color="red"><textarea name="formulainput" rows="4" cols="50"> </textarea></font> <br /><br />';
232: }
233: } elsif ($target eq 'tex') {
234: if (defined $unit and $Apache::lonhomework::type eq 'exam') {
235: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
236: }
237: if ($$tagstack[-1] eq 'numericalresponse') {
238: my $max_val = 0;
239: if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {
240: $max_val=$1+$2+4;
241: } else {
242: $max_val=4;
243: }
244: $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
245: my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
246: my @table_range = ();
247: my $number_of_tables = int($number_of_bubbles/$max_val);
248: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
249: if ($number_of_bubbles % $max_val != 0) {
250: $number_of_tables++;
251: push @table_range,($number_of_bubbles % $max_val);
252: }
253: my $j=0;
254: my $cou=0;
255: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
256: for (my $i=0;$i<$number_of_tables;$i++) {
257: $result.='\vskip -1 mm \noindent \begin{tabular}{';
258: for ($ind=0;$ind<$table_range[$j];$ind++) {
259: $result.='lp{'.$celllength.' mm}';
260: }
261: $result.='}';
262: for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
263: my $ans;
264: if ($formats[0] ne '') {
265: $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
266: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
267: my $number = $1;
268: my $power = $2;
269: $power=~s/^\+//;
270: $power=~s/^(-?)0+(\d+)//;
271: $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
272: }
273: } else {
274: my $badans = $bubbles_values[$ind];
275: my $format = '';
276: #What is the number? (integer,decimal,floating point)
277: if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
278: $format = 'e'.$2;
279: } elsif ($badans=~/^(\d*)\.(\d*)$/) {
280: $format = '4f';
281: } elsif ($badans=~/^(\d*)$/) {
282: $format = 'd';
283: }
284: $ans = sprintf('%.'.$format,$bubbles_values[$ind]);
285: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
286: my $number = $1;
287: my $power = $2;
288: $power=~s/^\+//;
289: $power=~s/^(-?)0+(\d+)//;
290: $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
291: }
292: }
293: $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$ans.'} ';
294: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
295: }
296: $cou += $table_range[$j];
297: $j++;
298: $result.='\\\\\end{tabular}\vskip 0 mm ';
299: }
300: $result.='\end{enumerate}';
301: &Apache::lonxml::increment_counter();
302: } else {
303: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
304: my $id = $Apache::inputtags::part;
305: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
306: my $repetition = int $weight/9;
307: if ($weight % 9 != 0) {$repetition++;}
308: $result.='\begin{enumerate}';
309: for (my $i=0;$i<$repetition;$i++) {
310: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
311: &Apache::lonxml::increment_counter();
312: }
313: $result.= '\end{enumerate}';
314: }
315: }
316: }
317: } elsif ($target eq 'edit') {
318: $result.='</td></tr>'.&Apache::edit::end_table;
319: } elsif ($target eq 'answer' || $target eq 'analyze') {
320:
321: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
322: if ($target eq 'analyze') {
323: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
324: $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
325: }
326: &Apache::response::setup_params($$tagstack[-1]);
327: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
328: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
329: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
330: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
331:
332: if ($target eq 'answer') {
333: $result.=&Apache::response::answer_header($$tagstack[-1]);
334: }
335: for(my $i=0;$i<=$#answers;$i++) {
336: my $ans=$answers[$i];
337: my $fmt;
338: if (@formats) {
339: if ($#formats) {
340: $fmt=$formats[$i];
341: } else {
342: $fmt=$formats[0];
343: }
344: }
345: my ($high,$low);
346: if ($Apache::inputtags::params{'tol'}) {
347: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
348: }
349: my ($sighigh,$siglow);
350: if ($Apache::inputtags::params{'sig'}) {
351: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
352: }
353: if ($fmt) {
354: $ans = sprintf('%.'.$fmt,$ans);
355: if ($high) {
356: $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);
357: }
358: }
359: if ($target eq 'answer') {
360: if ($high) { $ans.=' ['.$low.','.$high.']'; }
361: if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }
362: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
363: } elsif ($target eq 'analyze') {
364: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
365: if ($high) {
366: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
367: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
368: }
369: }
370: }
371: if ($unit) {
372: if ($target eq 'answer') {
373: $result.=&Apache::response::answer_part($$tagstack[-1],
374: "Unit: <b>$unit</b>");
375: } elsif ($target eq 'analyze') {
376: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },
377: $unit);
378: }
379: }
380: if ($type || $token->[1] eq 'stringresponse') {
381: my $string='Case Insensitive';
382: if ($type eq 'mc') {
383: $string='Multiple Choice';
384: } elsif ($type eq 'cs') {
385: $string='Case Sensitive';
386: } elsif ($type eq 'ci') {
387: $string='Case Insensitive';
388: } elsif ($type eq 'fml') {
389: $string='Formula';
390: }
391: if ($target eq 'answer') {
392: $result.=&Apache::response::answer_part($$tagstack[-1],
393: '<b>'.$string.'</b>');
394: } elsif ($target eq 'analyze') {
395: push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },
396: $type);
397: }
398: }
399: if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
400: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
401: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
402: }
403: if ($target eq 'answer') {
404: $result.=&Apache::response::answer_footer($$tagstack[-1]);
405: }
406: }
407: &Apache::response::end_response;
408: return $result;
409: }
410:
411: sub get_tolrange {
412: my ($ans,$tol)=@_;
413: my ($high,$low);
414: if ($tol =~ /%$/) {
415: chop($tol);
416: my $change=$ans*($tol/100.0);
417: $high=$ans+$change;
418: $low=$ans-$change;
419: } else {
420: $high=$ans+$tol;
421: $low=$ans-$tol;
422: }
423: return ($high,$low);
424: }
425:
426: sub get_sigrange {
427: my ($sig)=@_;
428: &Apache::lonxml::debug("Got a sig of :$sig:");
429: my $sig_lbound;
430: my $sig_ubound;
431: if ($sig eq '') {
432: $sig_lbound = 0; #SIG_LB_DEFAULT
433: $sig_ubound =15; #SIG_UB_DEFAULT
434: } else {
435: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
436: if (!$sig_lbound) {
437: $sig_lbound = 0; #SIG_LB_DEFAULT
438: $sig_ubound =15; #SIG_UB_DEFAULT
439: }
440: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
441: }
442: return ($sig_ubound,$sig_lbound);
443: }
444:
445: sub start_stringresponse {
446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
447: my $result;
448: if ($target eq 'meta') {
449: $result=&Apache::response::meta_package_write('stringresponse');
450: } else {
451: $result.=&start_numericalresponse(@_);
452: }
453: return $result;
454: }
455:
456: sub end_stringresponse {
457: return end_numericalresponse(@_);
458: }
459:
460: sub start_formularesponse {
461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
462: my $result;
463: if ($target eq 'meta') {
464: $result=&Apache::response::meta_package_write('formularesponse');
465: } else {
466: $result.=&start_numericalresponse(@_);
467: }
468: return $result;
469: }
470:
471: sub end_formularesponse {
472: return end_numericalresponse(@_);
473: }
474:
475: 1;
476: __END__
477:
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