Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.59
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.59 ! albertel 4: # $Id: caparesponse.pm,v 1.58 2002/09/30 15:10:58 sakharuk 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;
1.3 albertel 32:
1.50 harris41 33: BEGIN {
1.44 albertel 34: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
1.3 albertel 35: }
36:
37: sub start_caparesponse {
1.31 albertel 38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 39: my $id = &Apache::response::start_response($parstack,$safeeval);
1.13 albertel 40: return '';
1.3 albertel 41: }
42:
43: sub end_caparesponse {
1.31 albertel 44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.12 albertel 45: my $result = '';
1.16 albertel 46: if ( $target eq 'grade' ) {
1.27 albertel 47: if ( defined $ENV{'form.submitted'}) {
1.16 albertel 48: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.19 albertel 49: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
1.18 albertel 50: if ( $response =~ /[^\s]/) {
1.23 albertel 51: my $id = $Apache::inputtags::response['-1'];
52: my $previous= &Apache::response::check_for_previous($response,$id,$response);
1.22 albertel 53: if ( $previous ) {
54: $result = 'PREVIOUSLY_USED';
55: } else {
1.26 albertel 56: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
1.22 albertel 57: &Apache::lonxml::debug("submitted a $response<br>\n");
58: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
59: my $expression="&caparesponse_check('".$response."','".
60: $$parstack[$#$parstack].
61: ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
62: ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
63: "');";
64: $result = &Apache::run::run($expression,$safeeval);
65: my ($ad) = split /:/ , $result;
1.26 albertel 66: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
1.22 albertel 67: &Apache::lonxml::debug("$expression");
68: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
69: }
1.18 albertel 70: }
1.16 albertel 71: }
1.30 albertel 72: } elsif ($target eq 'web') {
1.17 albertel 73: #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
1.7 albertel 74: }
75: #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
1.19 albertel 76: &Apache::response::end_response;
1.24 albertel 77: return '';
1.21 albertel 78: }
79:
80: sub start_numericalresponse {
1.31 albertel 81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.22 albertel 82: my $id = &Apache::response::start_response($parstack,$safeeval);
1.32 albertel 83: my $result;
84: if ($target eq 'edit') {
1.49 matthew 85: $result.=&Apache::edit::tag_start($target,$token);
1.34 albertel 86: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
87: if ($token->[1] eq 'numericalresponse') {
1.36 albertel 88: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
89: $result.=&Apache::edit::text_arg('Format:','format',$token,4);
1.44 albertel 90: } elsif ($token->[1] eq 'stringresponse') {
1.35 albertel 91: $result.=&Apache::edit::select_arg('Type:','type',
1.49 matthew 92: ['cs','ci','mc'],$token);
1.44 albertel 93: } elsif ($token->[1] eq 'formularesponse') {
1.45 albertel 94: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
1.34 albertel 95: }
1.49 matthew 96: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.32 albertel 97: } elsif ($target eq 'modified') {
1.34 albertel 98: my $constructtag;
99: if ($token->[1] eq 'numericalresponse') {
100: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.36 albertel 101: 'answer','unit','format');
1.44 albertel 102: } elsif ($token->[1] eq 'stringresponse') {
1.34 albertel 103: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
104: 'answer','type');
1.44 albertel 105: } elsif ($token->[1] eq 'formularesponse') {
106: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.45 albertel 107: 'answer','samples');
1.34 albertel 108: }
1.33 albertel 109: if ($constructtag) {
110: $result = &Apache::edit::rebuild_tag($token);
111: $result.=&Apache::edit::handle_insert();
112: }
1.39 albertel 113: } elsif ($target eq 'meta') {
1.40 albertel 114: $result=&Apache::response::meta_package_write('numericalresponse');
1.32 albertel 115: }
116: return $result;
1.21 albertel 117: }
118:
119: sub end_numericalresponse {
1.31 albertel 120: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22 albertel 121: my $result = '';
122: if ( $target eq 'grade' ) {
1.27 albertel 123: if ( defined $ENV{'form.submitted'}) {
1.45 albertel 124: &Apache::response::setup_params($$tagstack[-1]);
1.22 albertel 125: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.38 albertel 126: my $partid = $Apache::inputtags::part;
127: my $id = $Apache::inputtags::response['-1'];
128: my $response = $ENV{'form.HWVAL'.$id};
1.22 albertel 129: if ( $response =~ /[^\s]/) {
1.38 albertel 130: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
131: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
132: &Apache::lonxml::debug("submitted a $response<br>\n");
133: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
134: $response =~ s/\\/\\\\/g;
135: $response =~ s/\'/\\\'/g;
136: &Apache::lonxml::debug("current $response");
137: my $expression="&caparesponse_check_list('".$response."','".
1.41 albertel 138: $$parstack[$#$parstack];
139: foreach my $key (keys(%Apache::inputtags::params)) {
140: $expression.= ';my $'. #'
141: $key.'="'.$Apache::inputtags::params{$key}.'"';
142: }
1.45 albertel 143: if ($$tagstack[-1] eq 'formularesponse') {
1.46 albertel 144: $expression.=';my $type="fml";';
145: } elsif ($$tagstack[-1] eq 'numericalresponse') {
146: $expression.=';my $type="float";';
1.45 albertel 147: }
1.41 albertel 148: $expression.="');";
1.38 albertel 149: $result = &Apache::run::run($expression,$safeeval);
150: my ($awards) = split /:/ , $result;
151: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
1.48 albertel 152: &Apache::response::handle_previous(\%previous,$ad);
1.38 albertel 153: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
154: &Apache::lonxml::debug("$expression");
155: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
156: $result='';
1.22 albertel 157: }
1.24 albertel 158: }
1.53 sakharuk 159: } elsif ($target eq 'web' || $target eq 'tex') {
1.58 sakharuk 160: if ($Apache::lonhomework::type ne 'exam') {
161: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
162: my $status = $Apache::inputtags::status['-1'];
163: if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
164: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
165: $safeeval);
166: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
167: $safeeval);
168: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
169:
170: if ($target eq 'web') {
1.53 sakharuk 171: $result="<br />The computer got ";
1.58 sakharuk 172: } elsif ($target eq 'tex') {
1.57 albertel 173: $result='\vskip 0 mm The computer got \\texttt{';
1.58 sakharuk 174: }
175: for (my $i=0; $i <= $#answers; $i++) {
176: my $answer=$answers[$i];
177: my $format;
178: if ($#formats > 0) {
179: $format=$formats[$i];
180: } else {
181: $format=$formats[0];
182: }
183: my $formatted;
184: if ((defined($format)) && ($format ne '')) {
185: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
186: $formatted=sprintf('%.'.$format,$answer).',';
187: } else {
188: &Apache::lonxml::debug("no format answer :$answer:");
189: $formatted="$answer,";
190: }
191: if ($target eq 'tex') {$formatted=&Apache::lonxml::latex_special_symbols($formatted);}
192: $result.=$formatted;
193: }
194: chop $result;
195: if ($target eq 'web') {
196: $result.=" $unit.<br />";
197: } elsif ($target eq 'tex') {
198: $result.=&Apache::lonxml::latex_special_symbols($unit);
199: $result.="}. \\vskip 0 mm ";
200: }
201: }
202: } else {
203: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
204: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
205: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
206: my $number_of_bubbles = 8; #default values for number of bubbles
207: my @bubbles_values = ();
208: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
209: my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
210: my $factors_number = 5; #default values for number of factors
211: my $powers_number = 8; #default values for number of powers
212: my $symb;
213: if ($ENV{'form.symb'}=~/___\d+___/) {$symb=$ENV{'form.symb'};} else {$symb=$ENV{'request.symb'};}
214: my $randomseed = srand(&Apache::lonnet::rndseed($symb,$ENV{'request.course.id'},
215: $ENV{'user.domain'},$ENV{'user.name'}));
216: my $ind=1+int(rand()*($factors_number-1));
217: my $factor = $factors[$ind];
218: $ind=1+int(rand()*($powers_number-1));
219: my $power = $powers[$ind];
220: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
221: $bubbles_values[$ind] = $answers[0]*$factor**($power-$powers[$powers_number-$ind-1]);
222: }
223: if ($target eq 'web') {
224: $result.= '<table border="1"><tr>';
225: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
226: my $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
227: $result.='<td>'.$ans.'</td>';
228: }
229: $result.='</tr></table>';
230: } elsif ($target eq 'tex') {
231: my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
232: 'Q','R','S','T','U','V','W','X','Y','Z');
233: my $max_val = 0;
234: if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {
235: $max_val=$1+$2+4;
236: }
237: $max_val = int(90/(($max_val+6)*2));
238: my $celllength = 90/$max_val-12;
239: my @table_range = ();
240: my $number_of_tables = int($number_of_bubbles/$max_val);
241: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
242: if ($number_of_bubbles % $max_val != 0) {
243: $number_of_tables++;
244: push @table_range,($number_of_bubbles % $max_val);
245: }
246: my $j=0;
247: my $cou=0;
248: $result.='\vskip 2 mm \noindent ';
249: for (my $i=0;$i<$number_of_tables;$i++) {
250: $result.='\vskip 0 mm \noindent \begin{tabular}{|';
251: for ($ind=0;$ind<$table_range[$j];$ind++) {
252: $result.='lp{'.$celllength.' mm}|';
253: }
254: $result.='}\hline';
255: for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
256: my $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);
257: $result.=' '.$alphabet[$ind].': & '.$ans.' ';
258: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
259: }
260: $j++;
261: $cou += $table_range[$j];
262: $result.='\\\\\hline\end{tabular}\vskip 0 mm ';
263: }
1.36 albertel 264: }
1.22 albertel 265: }
1.32 albertel 266: } elsif ($target eq 'edit') {
267: $result.='</td></tr>'.&Apache::edit::end_table;
1.43 albertel 268: } elsif ($target eq 'answer') {
1.44 albertel 269:
1.51 albertel 270: &Apache::response::setup_params($$tagstack[-1]);
1.44 albertel 271: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
272: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
273: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
274: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
275:
1.45 albertel 276: $result.=&Apache::response::answer_header($$tagstack[-1]);
1.44 albertel 277: for(my $i=0;$i<=$#answers;$i++) {
278: my $ans=$answers[$i];
279: my $fmt;
280: if (@formats) {
281: if ($#formats) {
282: $fmt=$formats[$i];
283: } else {
284: $fmt=$formats[0];
285: }
286: }
1.51 albertel 287: my ($high,$low);
288: if ($Apache::inputtags::params{'tol'}) {
289: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
290: }
1.52 albertel 291: my ($sighigh,$siglow);
292: if ($Apache::inputtags::params{'sig'}) {
293: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
294: }
1.51 albertel 295: if ($fmt) {
296: $ans = sprintf('%.'.$fmt,$ans);
297: if ($high) {
298: $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);
299: }
300: }
301: if ($high) { $ans.=' ['.$low.','.$high.'] '; }
1.52 albertel 302: if ($sighigh) { $ans.= "Sig <i>$siglow - $sighigh</i>"; }
1.45 albertel 303: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
1.43 albertel 304: }
1.44 albertel 305: if ($unit) {
1.52 albertel 306: $result.=&Apache::response::answer_part($$tagstack[-1],"Unit: <b>$unit</b>");
1.44 albertel 307: }
308: if ($type || $token->[1] eq 'stringresponse') {
309: my $string='Case Insensitive';
310: if ($type eq 'mc') {
311: $string='Multiple Choice';
312: } elsif ($type eq 'cs') {
313: $string='Case Sensitive';
314: } elsif ($type eq 'ci') {
315: $string='Case Insensitive';
1.45 albertel 316: } elsif ($type eq 'fml') {
317: $string='Formula';
1.44 albertel 318: }
1.45 albertel 319: $result.=&Apache::response::answer_part($$tagstack[-1],
1.44 albertel 320: '<b>'.$string.'</b>');
321: }
1.45 albertel 322: if ($$tagstack[-1] eq 'formularesponse') {
323: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
324: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
325: }
326: $result.=&Apache::response::answer_footer($$tagstack[-1]);
1.22 albertel 327: }
1.59 ! albertel 328: &Apache::response::end_response;
1.22 albertel 329: return $result;
1.51 albertel 330: }
331:
332: sub get_tolrange {
333: my ($ans,$tol)=@_;
334: my ($high,$low);
335: if ($tol =~ /%$/) {
336: chop($tol);
337: my $change=$ans*($tol/100.0);
338: $high=$ans+$change;
339: $low=$ans-$change;
340: } else {
341: $high=$ans+$tol;
342: $low=$ans-$tol;
343: }
344: return ($high,$low);
1.52 albertel 345: }
346:
347: sub get_sigrange {
348: my ($sig)=@_;
349: &Apache::lonxml::debug("Got a sig of :$sig:");
350: my $sig_lbound;
351: my $sig_ubound;
352: if ($sig eq '') {
353: $sig_lbound = 0; #SIG_LB_DEFAULT
354: $sig_ubound =15; #SIG_UB_DEFAULT
355: } else {
356: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
357: if (!$sig_lbound) {
358: $sig_lbound = 0; #SIG_LB_DEFAULT
359: $sig_ubound =15; #SIG_UB_DEFAULT
360: }
361: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
362: }
363: return ($sig_ubound,$sig_lbound);
1.34 albertel 364: }
365:
366: sub start_stringresponse {
1.42 albertel 367: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
368: my $result;
369: if ($target eq 'meta') {
370: $result=&Apache::response::meta_package_write('stringresponse');
371: } else {
372: $result.=&start_numericalresponse(@_);
373: }
374: return $result;
1.34 albertel 375: }
376:
377: sub end_stringresponse {
1.44 albertel 378: return end_numericalresponse(@_);
379: }
380:
381: sub start_formularesponse {
382: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
383: my $result;
384: if ($target eq 'meta') {
385: $result=&Apache::response::meta_package_write('formularesponse');
386: } else {
387: $result.=&start_numericalresponse(@_);
388: }
389: return $result;
390: }
391:
392: sub end_formularesponse {
1.34 albertel 393: return end_numericalresponse(@_);
1.3 albertel 394: }
395:
1.1 albertel 396: 1;
1.3 albertel 397: __END__
398:
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