1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.53 2002/08/26 19:44:33 sakharuk 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_caparesponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
39: my $id = &Apache::response::start_response($parstack,$safeeval);
40: return '';
41: }
42:
43: sub end_caparesponse {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result = '';
46: if ( $target eq 'grade' ) {
47: if ( defined $ENV{'form.submitted'}) {
48: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
49: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
50: if ( $response =~ /[^\s]/) {
51: my $id = $Apache::inputtags::response['-1'];
52: my $previous= &Apache::response::check_for_previous($response,$id,$response);
53: if ( $previous ) {
54: $result = 'PREVIOUSLY_USED';
55: } else {
56: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
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;
66: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
67: &Apache::lonxml::debug("$expression");
68: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
69: }
70: }
71: }
72: } elsif ($target eq 'web') {
73: #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
74: }
75: #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
76: &Apache::response::end_response;
77: return '';
78: }
79:
80: sub start_numericalresponse {
81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
82: my $id = &Apache::response::start_response($parstack,$safeeval);
83: my $result;
84: if ($target eq 'edit') {
85: $result.=&Apache::edit::tag_start($target,$token);
86: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
87: if ($token->[1] eq 'numericalresponse') {
88: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
89: $result.=&Apache::edit::text_arg('Format:','format',$token,4);
90: } elsif ($token->[1] eq 'stringresponse') {
91: $result.=&Apache::edit::select_arg('Type:','type',
92: ['cs','ci','mc'],$token);
93: } elsif ($token->[1] eq 'formularesponse') {
94: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
95: }
96: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
97: } elsif ($target eq 'modified') {
98: my $constructtag;
99: if ($token->[1] eq 'numericalresponse') {
100: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
101: 'answer','unit','format');
102: } elsif ($token->[1] eq 'stringresponse') {
103: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
104: 'answer','type');
105: } elsif ($token->[1] eq 'formularesponse') {
106: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
107: 'answer','samples');
108: }
109: if ($constructtag) {
110: $result = &Apache::edit::rebuild_tag($token);
111: $result.=&Apache::edit::handle_insert();
112: }
113: } elsif ($target eq 'meta') {
114: $result=&Apache::response::meta_package_write('numericalresponse');
115: }
116: return $result;
117: }
118:
119: sub end_numericalresponse {
120: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
121: my $result = '';
122: if ( $target eq 'grade' ) {
123: if ( defined $ENV{'form.submitted'}) {
124: &Apache::response::setup_params($$tagstack[-1]);
125: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
126: my $partid = $Apache::inputtags::part;
127: my $id = $Apache::inputtags::response['-1'];
128: my $response = $ENV{'form.HWVAL'.$id};
129: if ( $response =~ /[^\s]/) {
130: my %previous = &Apache::response::check_for_previous($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($$parstack[$#$parstack] . "\n<br>");
134: $response =~ s/\\/\\\\/g;
135: $response =~ s/\'/\\\'/g;
136: &Apache::lonxml::debug("current $response");
137: my $expression="&caparesponse_check_list('".$response."','".
138: $$parstack[$#$parstack];
139: foreach my $key (keys(%Apache::inputtags::params)) {
140: $expression.= ';my $'. #'
141: $key.'="'.$Apache::inputtags::params{$key}.'"';
142: }
143: if ($$tagstack[-1] eq 'formularesponse') {
144: $expression.=';my $type="fml";';
145: } elsif ($$tagstack[-1] eq 'numericalresponse') {
146: $expression.=';my $type="float";';
147: }
148: $expression.="');";
149: $result = &Apache::run::run($expression,$safeeval);
150: my ($awards) = split /:/ , $result;
151: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
152: &Apache::response::handle_previous(\%previous,$ad);
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: $result='';
157: }
158: }
159: } elsif ($target eq 'web' || $target eq 'tex') {
160: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
161: my $status = $Apache::inputtags::status['-1'];
162: if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
163: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
164: $safeeval);
165: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
166: $safeeval);
167: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
168:
169: if ($target eq 'web') {
170: $result="<br />The computer got ";
171: } elsif ($target eq 'tex') {
172: $result='\vskip 0 mm The computer got ';
173: }
174: for (my $i=0; $i <= $#answers; $i++) {
175: my $answer=$answers[$i];
176: my $format;
177: if ($#formats > 0) {
178: $format=$formats[$i];
179: } else {
180: $format=$formats[0];
181: }
182: if ((defined($format)) && ($format ne '')) {
183: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
184: $result.=sprintf('%.'.$format,$answer).',';
185: } else {
186: &Apache::lonxml::debug("no format answer :$answer:");
187: $result.="$answer,";
188: }
189: }
190: chop $result;
191: if ($target eq 'web') {
192: $result.=" $unit.<br></br>";
193: } elsif ($target eq 'tex') {
194: $result.=" $unit.\\vskip 0 mm ";
195: }
196: }
197: } elsif ($target eq 'edit') {
198: $result.='</td></tr>'.&Apache::edit::end_table;
199: } elsif ($target eq 'answer') {
200:
201: &Apache::response::setup_params($$tagstack[-1]);
202: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
203: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
204: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
205: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
206:
207: $result.=&Apache::response::answer_header($$tagstack[-1]);
208: for(my $i=0;$i<=$#answers;$i++) {
209: my $ans=$answers[$i];
210: my $fmt;
211: if (@formats) {
212: if ($#formats) {
213: $fmt=$formats[$i];
214: } else {
215: $fmt=$formats[0];
216: }
217: }
218: my ($high,$low);
219: if ($Apache::inputtags::params{'tol'}) {
220: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
221: }
222: my ($sighigh,$siglow);
223: if ($Apache::inputtags::params{'sig'}) {
224: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
225: }
226: if ($fmt) {
227: $ans = sprintf('%.'.$fmt,$ans);
228: if ($high) {
229: $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);
230: }
231: }
232: if ($high) { $ans.=' ['.$low.','.$high.'] '; }
233: if ($sighigh) { $ans.= "Sig <i>$siglow - $sighigh</i>"; }
234: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
235: }
236: if ($unit) {
237: $result.=&Apache::response::answer_part($$tagstack[-1],"Unit: <b>$unit</b>");
238: }
239: if ($type || $token->[1] eq 'stringresponse') {
240: my $string='Case Insensitive';
241: if ($type eq 'mc') {
242: $string='Multiple Choice';
243: } elsif ($type eq 'cs') {
244: $string='Case Sensitive';
245: } elsif ($type eq 'ci') {
246: $string='Case Insensitive';
247: } elsif ($type eq 'fml') {
248: $string='Formula';
249: }
250: $result.=&Apache::response::answer_part($$tagstack[-1],
251: '<b>'.$string.'</b>');
252: }
253: if ($$tagstack[-1] eq 'formularesponse') {
254: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
255: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
256: }
257: $result.=&Apache::response::answer_footer($$tagstack[-1]);
258: }
259: &Apache::response::end_response;
260: return $result;
261: }
262:
263: sub get_tolrange {
264: my ($ans,$tol)=@_;
265: my ($high,$low);
266: if ($tol =~ /%$/) {
267: chop($tol);
268: my $change=$ans*($tol/100.0);
269: $high=$ans+$change;
270: $low=$ans-$change;
271: } else {
272: $high=$ans+$tol;
273: $low=$ans-$tol;
274: }
275: return ($high,$low);
276: }
277:
278: sub get_sigrange {
279: my ($sig)=@_;
280: &Apache::lonxml::debug("Got a sig of :$sig:");
281: my $sig_lbound;
282: my $sig_ubound;
283: if ($sig eq '') {
284: $sig_lbound = 0; #SIG_LB_DEFAULT
285: $sig_ubound =15; #SIG_UB_DEFAULT
286: } else {
287: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
288: if (!$sig_lbound) {
289: $sig_lbound = 0; #SIG_LB_DEFAULT
290: $sig_ubound =15; #SIG_UB_DEFAULT
291: }
292: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
293: }
294: return ($sig_ubound,$sig_lbound);
295: }
296:
297: sub start_stringresponse {
298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
299: my $result;
300: if ($target eq 'meta') {
301: $result=&Apache::response::meta_package_write('stringresponse');
302: } else {
303: $result.=&start_numericalresponse(@_);
304: }
305: return $result;
306: }
307:
308: sub end_stringresponse {
309: return end_numericalresponse(@_);
310: }
311:
312: sub start_formularesponse {
313: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
314: my $result;
315: if ($target eq 'meta') {
316: $result=&Apache::response::meta_package_write('formularesponse');
317: } else {
318: $result.=&start_numericalresponse(@_);
319: }
320: return $result;
321: }
322:
323: sub end_formularesponse {
324: return end_numericalresponse(@_);
325: }
326:
327: 1;
328: __END__
329:
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