Annotation of loncom/homework/hint.pm, revision 1.50
1.21 albertel 1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
1.50 ! albertel 4: # $Id: hint.pm,v 1.49 2004/03/12 21:06:19 albertel Exp $
1.21 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: #
1.33 albertel 10: # LON-CAPA me&aree software; you can redistribute it and/or modify
1.21 albertel 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:
1.1 albertel 29: package Apache::hinttags;
30:
31: use strict;
32: use Apache::lonnet;
1.6 albertel 33: use capa;
1.1 albertel 34:
1.25 harris41 35: BEGIN {
1.39 albertel 36: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint'));
1.1 albertel 37: }
38:
1.2 albertel 39:
1.15 albertel 40: @Apache::hint::which=();
1.1 albertel 41: sub start_hintgroup {
1.39 albertel 42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $skiptoend='0';
44: my $result;
45:
46: if ($target eq 'web') {
47: my $id=$Apache::inputtags::part;
48: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
49: if ( $numtries eq '') { $numtries = 0; }
50: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
1.47 albertel 51: if ($ENV{'request.state'} eq 'construct' &&
52: defined($Apache::inputtags::params{'hinttries'})) {
53: $hinttries=$Apache::inputtags::params{'hinttries'};
54: }
55:
1.39 albertel 56: if ( $hinttries eq '') { $hinttries = 1; }
57: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.46 albertel 58: my $gradestatus=$Apache::lonhomework::history{"resource.$id.solved"};
59: if ( $numtries < $hinttries || $gradestatus =~ /^correct/) {
1.39 albertel 60: &Apache::lonxml::get_all_text("/hintgroup",$parser);
61: }
1.40 albertel 62: &Apache::lonxml::startredirection;
1.39 albertel 63: } elsif ($target eq 'tex') {
64: $result .= '\keephidden{';
1.20 albertel 65: }
1.39 albertel 66: @Apache::hint::which=();
67: return $result;
1.1 albertel 68: }
69:
70: sub end_hintgroup {
1.39 albertel 71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: my $result;
1.20 albertel 73:
1.39 albertel 74: if ($target eq 'web') {
75: my $id=$Apache::inputtags::part;
76: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
77: if ( $numtries eq '') { $numtries = 0; }
78: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
79: if ( $hinttries eq '') { $hinttries = 1; }
80: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.40 albertel 81: my $hinttext=&Apache::lonxml::endredirection;
82: if ($Apache::lonhomework::type ne 'exam' &&
1.41 albertel 83: $numtries >= $hinttries && $hinttext =~/\S/) {
1.40 albertel 84: $result='<table bgcolor="#dddddd"><tr><td>'.
85: $hinttext.'</td></tr></table>';
1.38 albertel 86: }
1.39 albertel 87: } elsif ($target eq 'edit') {
88: $result.=&Apache::edit::end_table();
89: } elsif ($target eq 'tex') {
90: $result .= '}';
1.19 albertel 91: }
1.39 albertel 92: @Apache::hint::which=();
93: return $result;
1.3 albertel 94: }
95:
96: sub start_numericalhint {
1.39 albertel 97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
98: #do everything in end, so intervening <responseparams> work
99: &Apache::response::start_hintresponse($parstack,$safeeval);
100: my $result;
101: if ($target eq 'edit') {
102: $result.=&Apache::edit::tag_start($target,$token);
103: $result.=&Apache::edit::text_arg('Name:','name',$token);
104: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
105: if ($token->[1] eq 'numericalhint') {
106: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
107: &Apache::loncommon::help_open_topic('Physical_Units');
108: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
109: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
110: } elsif ($token->[1] eq 'stringhint') {
1.44 albertel 111: $result.=&Apache::edit::select_arg('Type:','type',
112: [['cs','Case Sensitive'],['ci','Case Insensitive'],
113: ['mc','Case Insensitive, Any Order']],$token);
1.39 albertel 114: } elsif ($token->[1] eq 'formulahint') {
115: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
116: }
117: $result.=&Apache::edit::end_row();
118: $result.=&Apache::edit::start_spanning_row();
119: } elsif ($target eq 'modified') {
120: my $constructtag;
121: if ($token->[1] eq 'numericalhint') {
122: $constructtag=&Apache::edit::get_new_args($token,$parstack,
123: $safeeval,'name',
124: 'answer','unit','format');
125: } elsif ($token->[1] eq 'stringhint') {
126: $constructtag=&Apache::edit::get_new_args($token,$parstack,
127: $safeeval,'name','answer',
128: 'type');
129: } elsif ($token->[1] eq 'formulahint') {
130: $constructtag=&Apache::edit::get_new_args($token,$parstack,
131: $safeeval,'name','answer',
132: 'samples');
133: }
134: if ($constructtag) {
135: $result = &Apache::edit::rebuild_tag($token);
136: $result .= &Apache::edit::handle_insert();
137: }
138: } elsif ($target eq 'web') {
139: &Apache::response::reset_params();
1.28 albertel 140: }
1.39 albertel 141: return $result;
1.3 albertel 142: }
143:
144: sub end_numericalhint {
1.39 albertel 145: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
146: my $result;
147: if ($target eq 'web') {
148: if (!$Apache::lonxml::default_homework_loaded) {
149: &Apache::lonxml::default_homework_load($safeeval);
150: }
151: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
152: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48 albertel 153: &Apache::response::setup_params('numericalhint',$safeeval);
1.39 albertel 154: my $partid=$Apache::inputtags::part;
155: my $id=$Apache::inputtags::response['-1'];
156: #id submissions occured under
157: my $submitid=$Apache::inputtags::response['-2'];
158: my $response = $Apache::lonhomework::history{
1.18 albertel 159: "resource.$partid.$submitid.submission"};
1.39 albertel 160: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
161: #build safe space expression
162: my $expression="&caparesponse_check_list('".$response."','".
163: $$parstack[$#$parstack];
164: #need to get all possible parms
165: foreach my $key (keys(%Apache::inputtags::params)) {
1.49 albertel 166: $expression.= ';my $__LC__'. #'
1.39 albertel 167: $key.'="'.$Apache::inputtags::params{$key}.'"';
1.43 albertel 168: }
169: if ($$tagstack[-1] eq 'formulahint') {
1.49 albertel 170: $expression.=';my $__LC__type="fml";';
1.43 albertel 171: } elsif ($$tagstack[-1] eq 'numericalhint') {
1.49 albertel 172: $expression.=';my $__LC__type="float";';
1.39 albertel 173: }
174: $expression.="');";
1.45 albertel 175: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
176: &Apache::lonxml::debug('answer is'.join(':',@answer));
177: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
178:
1.49 albertel 179: ($result,my @msgs) = &Apache::run::run($expression,$safeeval);
1.50 ! albertel 180: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1.39 albertel 181: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
1.50 ! albertel 182: my ($awards)=split(/:/,$result);
! 183: my (@awards) = split(/,/,$awards);
! 184: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1.39 albertel 185: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
186: $result='';
187: } elsif ($target eq 'meta') {
188: $result=&Apache::response::meta_package_write($token->[1]);
189: } elsif ($target eq 'edit') {
190: $result.='</td></tr>'.&Apache::edit::end_table;
1.18 albertel 191: }
1.39 albertel 192: &Apache::response::end_hintresponse();
193: return $result;
1.28 albertel 194: }
195:
196: sub start_stringhint {
1.35 albertel 197: return &start_numericalhint(@_);
1.28 albertel 198: }
199:
200: sub end_stringhint {
1.35 albertel 201: return &end_numericalhint(@_);
1.28 albertel 202: }
203:
204: sub start_formulahint {
1.35 albertel 205: return &start_numericalhint(@_);
1.28 albertel 206: }
207:
208: sub end_formulahint {
1.35 albertel 209: return end_numericalhint(@_);
1.1 albertel 210: }
211:
1.2 albertel 212: # a part shows if it is on, if no specific parts are on, then default shows
1.1 albertel 213: sub start_hintpart {
1.39 albertel 214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.15 albertel 215:
1.39 albertel 216: my $show ='0';
217: my $result = '';
218: if ($target eq 'web') {
219: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
220: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
221: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
222: $show=1;
223: } else {
224: my $which;
225: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
226: }
227: if (!$show) {
228: &Apache::lonxml::get_all_text("/hintpart",$parser);
229: }
230: } elsif ($target eq 'grade') {
231: &Apache::lonxml::get_all_text("/hintpart",$parser);
232: } elsif ($target eq 'edit') {
233: $result.= &Apache::edit::tag_start($target,$token);
234: $result.= &Apache::edit::text_arg('On:','on',$token);
235: $result.= &Apache::edit::end_row();
236: $result.= &Apache::edit::start_spanning_row();
237: } elsif ($target eq 'modified') {
238: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
239: $safeeval,'on');
240: if ($constructtag) {
241: $result = &Apache::edit::rebuild_tag($token);
242: $result.=&Apache::edit::handle_insert();
243: }
1.20 albertel 244: }
1.39 albertel 245: return $result;
1.1 albertel 246: }
247:
248: sub end_hintpart {
1.29 albertel 249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
250: my $result;
251: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
252: return $result;
253: }
254:
255: sub start_optionhint {
256: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
257: my $result;
1.30 albertel 258: &Apache::response::start_hintresponse($parstack,$safeeval);
259: if ($target eq 'edit') {
260: $result.=&Apache::edit::tag_start($target,$token);
261: $result.=&Apache::edit::text_arg('Name:','name',$token);
262: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
263: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
264: } elsif ($target eq 'modified') {
265: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
266: $safeeval,'name',
267: 'answer','concept');
268: if ($constructtag) {
269: $result = &Apache::edit::rebuild_tag($token);
270: $result .= &Apache::edit::handle_insert();
271: }
272: } elsif ($target eq 'meta') {
273: $result=&Apache::response::meta_package_write('numericalhint');
274: }
1.29 albertel 275: return $result;
276: }
277:
278: sub end_optionhint {
279: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
280: my $result;
1.30 albertel 281: if ($target eq 'web') {
282: my ($foilmatch,$conceptmatch)=(-1,-1);
283: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
284: my $partid=$Apache::inputtags::part;
285: #id submissions occured under
286: my $submitid=$Apache::inputtags::response['-2'];
287: my $part_id="$partid.$submitid";
288: my %answer;
289: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
290: if ($answer) {
291: eval('%answer ='.$answer);
292: &Apache::lonhomework::showhash(%answer);
293: my $response = $Apache::lonhomework::history{
294: "resource.$part_id.submission"};
295: my %response=&Apache::lonnet::str2hash($response);
296: &Apache::lonhomework::showhash(%response);
297: foreach my $foil (keys(%answer)) {
298: $foilmatch=1;
299: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
300: }
301: }
302: my %concept;
303: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
304: if ( $constr ) { eval('%concept ='.$constr); }
305: my $response = $Apache::lonhomework::history{
306: "resource.$part_id.submissiongrading"};
307: my %response=&Apache::lonnet::str2hash($response);
308: foreach my $concept (keys(%concept)) {
309: my $compare;
310: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
311: $conceptmatch=1;
312: if (ref($Apache::hint::option{"$part_id.concepts"})) {
313: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
314: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
315: if ( exists($response{$foil}) &&
316: $response{$foil} ne $compare) {$conceptmatch=0;last;}
317: }
318: } else {
319: $conceptmatch=0;
320: }
321: if ($conceptmatch eq '0') { last; }
322: }
323: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
324: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
325: push(@Apache::hint::which,$name);
326: }
327: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.29 albertel 328: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.30 albertel 329: &Apache::response::end_hintresponse();
1.29 albertel 330: return $result;
331: }
332:
333: sub start_radiobuttonhint {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
335: my $result;
336: &Apache::response::start_hintresponse($parstack,$safeeval);
337: if ($target eq 'edit') {
338: $result.=&Apache::edit::tag_start($target,$token);
339: $result.=&Apache::edit::text_arg('Name:','name',$token);
340: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
341: } elsif ($target eq 'modified') {
342: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
343: $safeeval,'name',
344: 'answer');
345: if ($constructtag) {
346: $result = &Apache::edit::rebuild_tag($token);
347: $result .= &Apache::edit::handle_insert();
348: }
349: } elsif ($target eq 'meta') {
350: $result=&Apache::response::meta_package_write('numericalhint');
351: }
352: return $result;
1.1 albertel 353: }
354:
1.31 albertel 355: sub end_radiobuttonhint {
1.29 albertel 356: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
357: my $result;
358: if ($target eq 'web') {
359: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
360: my @answer;
361: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
362: eval('@answer ='.$answer);
363: my $partid=$Apache::inputtags::part;
364: #id submissions occured under
365: my $submitid=$Apache::inputtags::response['-2'];
366: my $part_id="$partid.$submitid";
367: my $response = $Apache::lonhomework::history{
368: "resource.$part_id.submission"};
369: ($response)=&Apache::lonnet::str2hash($response);
1.42 albertel 370: &Apache::lonxml::debug("response is $response");
371:
372: if ($answer[0] eq 'foil') {
373: shift(@answer);
374: foreach my $answer (@answer) {
375: if ($response eq $answer) {
376: push (@Apache::hint::which,$name);
377: last;
378: }
379: }
1.29 albertel 380: } elsif ($answer[0] eq 'concept') {
1.42 albertel 381: shift(@answer);
382: foreach my $answer (@answer) {
383: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
384: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
385: if (grep(/^\Q$response\E$/,@names)) {
386: push(@Apache::hint::which,$name);
387: last;
388: }
1.29 albertel 389: }
390: }
391: }
392: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
393: &Apache::response::end_hintresponse();
394: return $result;
395: }
1.1 albertel 396: 1;
397: __END__
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