1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3:
4: package Apache::caparesponse;
5: use strict;
6: use capa;
7:
8: sub BEGIN {
9: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
10: }
11:
12: sub start_caparesponse {
13: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
14: my $id = &Apache::response::start_response($parstack,$safeeval);
15: return '';
16: }
17:
18: sub end_caparesponse {
19: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
20: my $result = '';
21: if ( $target eq 'grade' ) {
22: if ( defined $ENV{'form.submitted'}) {
23: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
24: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
25: if ( $response =~ /[^\s]/) {
26: my $id = $Apache::inputtags::response['-1'];
27: my $previous= &Apache::response::check_for_previous($response,$id,$response);
28: if ( $previous ) {
29: $result = 'PREVIOUSLY_USED';
30: } else {
31: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
32: &Apache::lonxml::debug("submitted a $response<br>\n");
33: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
34: my $expression="&caparesponse_check('".$response."','".
35: $$parstack[$#$parstack].
36: ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
37: ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
38: "');";
39: $result = &Apache::run::run($expression,$safeeval);
40: my ($ad) = split /:/ , $result;
41: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
42: &Apache::lonxml::debug("$expression");
43: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
44: }
45: }
46: }
47: } elsif ($target eq 'web') {
48: #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
49: }
50: #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
51: &Apache::response::end_response;
52: return '';
53: }
54:
55: sub start_numericalresponse {
56: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
57: my $id = &Apache::response::start_response($parstack,$safeeval);
58: my $result;
59: if ($target eq 'edit') {
60: $result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));
61: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
62: if ($token->[1] eq 'numericalresponse') {
63: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
64: $result.=&Apache::edit::text_arg('Format:','format',$token,4);
65: } elsif ($token->[1] eq 'stringresponse') {
66: $result.=&Apache::edit::select_arg('Type:','type',
67: ['cs','ci','mc'],$token)
68: } elsif ($token->[1] eq 'formularesponse') {
69: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
70: }
71: $result.='</td></tr><tr><td colspan="3">';
72: } elsif ($target eq 'modified') {
73: my $constructtag;
74: if ($token->[1] eq 'numericalresponse') {
75: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
76: 'answer','unit','format');
77: } elsif ($token->[1] eq 'stringresponse') {
78: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
79: 'answer','type');
80: } elsif ($token->[1] eq 'formularesponse') {
81: $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
82: 'answer','samples');
83: }
84: if ($constructtag) {
85: $result = &Apache::edit::rebuild_tag($token);
86: $result.=&Apache::edit::handle_insert();
87: }
88: } elsif ($target eq 'meta') {
89: $result=&Apache::response::meta_package_write('numericalresponse');
90: }
91: return $result;
92: }
93:
94: sub end_numericalresponse {
95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
96: my $result = '';
97: if ( $target eq 'grade' ) {
98: if ( defined $ENV{'form.submitted'}) {
99: &Apache::response::setup_params($$tagstack[-1]);
100: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
101: my $partid = $Apache::inputtags::part;
102: my $id = $Apache::inputtags::response['-1'];
103: my $response = $ENV{'form.HWVAL'.$id};
104: if ( $response =~ /[^\s]/) {
105: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
106: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
107: &Apache::lonxml::debug("submitted a $response<br>\n");
108: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
109: $response =~ s/\\/\\\\/g;
110: $response =~ s/\'/\\\'/g;
111: &Apache::lonxml::debug("current $response");
112: my $expression="&caparesponse_check_list('".$response."','".
113: $$parstack[$#$parstack];
114: foreach my $key (keys(%Apache::inputtags::params)) {
115: $expression.= ';my $'. #'
116: $key.'="'.$Apache::inputtags::params{$key}.'"';
117: }
118: if ($$tagstack[-1] eq 'formularesponse') {
119: $expression.=';$type="fml";';
120: }
121: $expression.="');";
122: $result = &Apache::run::run($expression,$safeeval);
123: my ($awards) = split /:/ , $result;
124: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
125: if ( $previous{'used'} && ($previous{'award'} eq $ad) ) {
126: if ($previous{'last'}) {
127: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
128: } else {
129: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
130: }
131: }
132: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
133: &Apache::lonxml::debug("$expression");
134: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
135: $result='';
136: }
137: }
138: } elsif ($target eq 'web') {
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,$safeeval);
147:
148: $result="<br />The computer got ";
149:
150: for (my $i=0; $i <= $#answers; $i++) {
151: my $answer=$answers[$i];
152: my $format;
153: if ($#formats > 0) {
154: $format=$formats[$i];
155: } else {
156: $format=$formats[0];
157: }
158: if ((defined($format)) && ($format ne '')) {
159: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
160: $result.=sprintf('%.'.$format,$answer).',';
161: } else {
162: &Apache::lonxml::debug("no format answer :$answer:");
163: $result.="$answer,";
164: }
165: }
166: chop $result;
167: $result.=" $unit.<br></br>";
168: }
169: } elsif ($target eq 'edit') {
170: $result.='</td></tr>'.&Apache::edit::end_table;
171: } elsif ($target eq 'answer') {
172:
173: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
174: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
175: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
176: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
177:
178: $result.=&Apache::response::answer_header($$tagstack[-1]);
179: for(my $i=0;$i<=$#answers;$i++) {
180: my $ans=$answers[$i];
181: my $fmt;
182: if (@formats) {
183: if ($#formats) {
184: $fmt=$formats[$i];
185: } else {
186: $fmt=$formats[0];
187: }
188: }
189: if ($fmt) { $ans = sprintf('%.'.$fmt,$ans); }
190: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
191: }
192: if ($unit) {
193: $result.=&Apache::response::answer_part($$tagstack[-1],
194: '<b>'.$unit.'</b>');
195: }
196: if ($type || $token->[1] eq 'stringresponse') {
197: my $string='Case Insensitive';
198: if ($type eq 'mc') {
199: $string='Multiple Choice';
200: } elsif ($type eq 'cs') {
201: $string='Case Sensitive';
202: } elsif ($type eq 'ci') {
203: $string='Case Insensitive';
204: } elsif ($type eq 'fml') {
205: $string='Formula';
206: }
207: $result.=&Apache::response::answer_part($$tagstack[-1],
208: '<b>'.$string.'</b>');
209: }
210: if ($$tagstack[-1] eq 'formularesponse') {
211: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
212: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
213: }
214: $result.=&Apache::response::answer_footer($$tagstack[-1]);
215: }
216: &Apache::response::end_response;
217: return $result;
218: }
219:
220: sub start_stringresponse {
221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
222: my $result;
223: if ($target eq 'meta') {
224: $result=&Apache::response::meta_package_write('stringresponse');
225: } else {
226: $result.=&start_numericalresponse(@_);
227: }
228: return $result;
229: }
230:
231: sub end_stringresponse {
232: return end_numericalresponse(@_);
233: }
234:
235: sub start_formularesponse {
236: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
237: my $result;
238: if ($target eq 'meta') {
239: $result=&Apache::response::meta_package_write('formularesponse');
240: } else {
241: $result.=&start_numericalresponse(@_);
242: }
243: return $result;
244: }
245:
246: sub end_formularesponse {
247: return end_numericalresponse(@_);
248: }
249:
250: 1;
251: __END__
252:
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