Annotation of loncom/homework/response.pm, revision 1.238
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.238 ! raeburn 4: # $Id: response.pm,v 1.237 2014/09/24 18:14:27 damieng Exp $
1.53 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: #
1.5 www 28:
1.208 jms 29: =pod
30:
31: =head1 NAME
32:
1.218 raeburn 33: Apache::response.pm
1.208 jms 34:
35: =head1 SYNOPSIS
36:
37: This is part of the LearningOnline Network with CAPA project
38: described at http://www.lon-capa.org.
39:
40:
41: =head1 NOTABLE SUBROUTINES
42:
43: =over
44:
45: =item
46:
47: =back
48:
49: =cut
50:
51:
1.1 albertel 52: package Apache::response;
53: use strict;
1.93 albertel 54: use Apache::lonlocal;
1.120 albertel 55: use Apache::lonnet;
1.228 raeburn 56: use Apache::inputtags();
1.153 www 57: use Apache::lonmaxima();
1.214 www 58: use Apache::lonr();
1.238 ! raeburn 59: use Apache::lontexconvert();
1.1 albertel 60:
1.57 harris41 61: BEGIN {
1.139 www 62: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
1.1 albertel 63: }
64:
1.13 albertel 65: sub start_response {
1.73 albertel 66: my ($parstack,$safeeval)=@_;
1.136 albertel 67: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.73 albertel 68: if ($#Apache::inputtags::import > -1) {
69: &Apache::lonxml::debug("Turning :$id: into");
70: $id = join('_',@Apache::inputtags::import).'_'.$id;
71: &Apache::lonxml::debug("New :$id:");
72: }
73: push (@Apache::inputtags::response,$id);
74: push (@Apache::inputtags::responselist,$id);
75: @Apache::inputtags::inputlist=();
1.101 albertel 76: if ($Apache::inputtags::part eq '' &&
77: !$Apache::lonhomework::ignore_response_errors) {
1.97 albertel 78: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"'));
1.92 albertel 79: }
80: if ($Apache::inputtags::response_with_no_part &&
81: $Apache::inputtags::part ne '0') {
1.97 albertel 82: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />');
1.92 albertel 83: }
84: if ($Apache::inputtags::part eq '0') {
85: $Apache::inputtags::response_with_no_part=1;
86: }
1.73 albertel 87: return $id;
1.13 albertel 88: }
89:
90: sub end_response {
1.79 albertel 91: #pop @Apache::inputtags::response;
1.73 albertel 92: @Apache::inputtags::inputlist=();
93: return '';
1.13 albertel 94: }
95:
1.41 albertel 96: sub start_hintresponse {
1.73 albertel 97: my ($parstack,$safeeval)=@_;
1.136 albertel 98: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.123 albertel 99: push (@Apache::inputtags::hint,$id);
100: push (@Apache::inputtags::hintlist,$id);
1.73 albertel 101: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
102: return $id;
1.41 albertel 103: }
104:
105: sub end_hintresponse {
1.123 albertel 106: pop @Apache::inputtags::hint;
1.73 albertel 107: if (defined($Apache::inputtags::paramstack[-1])) {
108: %Apache::inputtags::params=
109: @{ pop(@Apache::inputtags::paramstack) };
110: }
111: return '';
1.41 albertel 112: }
113:
1.99 albertel 114: my @randomseeds;
115: sub pushrandomnumber {
116: my $rand_alg=&Apache::lonnet::get_rand_alg();
117: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
118: $rand_alg eq '64bit2') {
119: # do nothing
120: } else {
121: my @seed=&Math::Random::random_get_seed();
1.127 albertel 122: push(@randomseeds,\@seed);
1.99 albertel 123: }
1.127 albertel 124: &Apache::response::setrandomnumber(@_);
1.99 albertel 125: }
126: sub poprandomnumber {
127: my $rand_alg=&Apache::lonnet::get_rand_alg();
128: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
129: $rand_alg eq '64bit2') {
130: return;
131: }
132: my $seed=pop(@randomseeds);
133: if ($seed) {
134: &Math::Random::random_set_seed(@$seed);
135: } else {
136: &Apache::lonxml::error("Unable to restore random algorithm.");
137: }
138: }
1.117 albertel 139:
1.26 albertel 140: sub setrandomnumber {
1.221 raeburn 141: my ($ignore_id2,$target,$rndseed) = @_;
142: if (!defined($rndseed)) {
143: $rndseed=&Apache::structuretags::setup_rndseed(undef,$target);
144: }
1.88 albertel 145: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 146: &Apache::lonxml::debug("randseed $rndseed");
147: # $rndseed=unpack("%32i",$rndseed);
1.99 albertel 148: my $rand_alg=&Apache::lonnet::get_rand_alg();
1.126 albertel 149: my ($rndmod,$rndmod2);
1.119 albertel 150:
151: my ($id1,$id2,$shift_amt);
152: if ($Apache::lonhomework::parsing_a_problem) {
153: $id1=$Apache::inputtags::part;
154: if (defined($Apache::inputtags::response[-1])) {
155: $id2=$Apache::inputtags::response[-1];
156: }
157: $shift_amt=scalar(@Apache::inputtags::responselist);
158: } elsif ($Apache::lonhomework::parsing_a_task) {
1.141 albertel 159: $id1=&Apache::bridgetask::get_dim_id();
160: if (!$ignore_id2 && ref($Apache::bridgetask::instance{$id1})) {
161: $id2=$Apache::bridgetask::instance{$id1}[-1];
1.142 albertel 162: $shift_amt=scalar(@{$Apache::bridgetask::instance{$id1}});
163: } else {
164: $shift_amt=0;
1.119 albertel 165: }
166: }
167: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt");
1.99 albertel 168: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
169: $rand_alg eq '64bit2') {
1.119 albertel 170: $rndmod=(&Apache::lonnet::numval($id1) << 10);
171: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); }
1.110 albertel 172: } elsif ($rand_alg eq '64bit3') {
1.119 albertel 173: $rndmod=(&Apache::lonnet::numval2($id1) << 10);
174: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); }
1.126 albertel 175: } elsif ($rand_alg eq '64bit4') {
1.119 albertel 176: my $shift=(4*$shift_amt)%30;
177: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30));
178: if (defined($id2)) {
179: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift );
1.110 albertel 180: }
1.126 albertel 181: } else {
182: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
1.99 albertel 183: }
1.224 www 184: $Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed;
1.99 albertel 185: if ($rndseed =~/([,:])/) {
186: my $char=$1;
187: use integer;
188: my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
189: $num1+=$rndmod;
1.126 albertel 190: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod);
1.109 albertel 191: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.99 albertel 192: $rndseed=$num1.$char.$num2;
193: } else {
1.74 albertel 194: $rndseed+=$rndmod;
1.109 albertel 195: if($Apache::lonnet::_64bit) {
196: use integer;
197: $rndseed=(($rndseed<<32)>>32);
198: }
1.74 albertel 199: }
1.111 albertel 200: &Apache::lonxml::debug("randseed $rndmod $rndseed");
1.223 www 201: $Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed;
1.74 albertel 202: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 203: return '';
1.26 albertel 204: }
205:
1.7 www 206: sub meta_parameter_write {
1.38 albertel 207: my ($name,$type,$default,$display)=@_;
1.41 albertel 208: my $partref=$Apache::inputtags::part;
209: my $result='<parameter part="'.$Apache::inputtags::part.'"';
210: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 211: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
212: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 213: }
214: $result.= ' name="'.$name.'"'.
215: ' type="'.$type.'"'.
1.89 albertel 216: (defined($default)?' default="'.$default.'"':'').
217: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 218: .'></parameter>'
219: ."\n";
220: return $result;
1.33 www 221: }
222:
223: sub meta_package_write {
224: my $name=shift;
1.41 albertel 225: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
226: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 227: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 228: }
229: $result.=' package="'.$name.'"></parameter>'."\n";
230: return $result;
1.7 www 231: }
232:
233: sub meta_stores_write {
1.10 www 234: my ($name,$type,$display)=@_;
1.41 albertel 235: my $partref=$Apache::inputtags::part;
236: my $result = '<stores part="'.$Apache::inputtags::part.'"';
237: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 238: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
239: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 240: }
241: $result.= ' name="'.$name.'"'.
242: ' type="'.$type.'"'.
243: ' display="'.$display.' [Part: '.$partref.']"'.
244: "></stores>\n";
1.7 www 245: }
246:
1.207 jms 247: =pod
248:
1.210 raeburn 249: =item mandatory_part_meta()
1.207 jms 250:
251: Autogenerate metadata for mandatory
1.210 raeburn 252: input (from RAT or lonparmset) and
1.207 jms 253: output (to lonspreadsheet)
254: of each part
255:
256: Note: responseid-specific data 'submission' and 'awarddetail'
257: not available to spreadsheet -> skip here
258:
259: =cut
260:
1.210 raeburn 261:
262: sub mandatory_part_meta {
263: return &meta_package_write('part').
264: &meta_stores_write('solved','string','Problem Status').
265: &meta_stores_write('tries','int_zeropos','Number of Attempts').
266: &meta_stores_write('awarded','float','Partial Credit Factor');
1.86 albertel 267: }
268:
269: sub meta_part_order {
270: if (@Apache::inputtags::partlist) {
271: my @parts=@Apache::inputtags::partlist;
272: shift(@parts);
1.100 albertel 273: return '<partorder>'.join(',',@parts).'</partorder>'."\n";
1.86 albertel 274: } else {
1.100 albertel 275: return '<partorder>0</partorder>'."\n";
276: }
277: }
278:
279: sub meta_response_order {
280: if (@Apache::inputtags::responselist) {
281: return '<responseorder>'.join(',',@Apache::inputtags::responselist).
282: '</responseorder>'."\n";
1.86 albertel 283: }
1.14 albertel 284: }
285:
1.15 albertel 286: sub check_for_previous {
1.219 raeburn 287: my ($curresponse,$partid,$id,$last,$type) = @_;
1.73 albertel 288: my %previous;
289: $previous{'used'} = 0;
1.221 raeburn 290: my $questiontype = $Apache::lonhomework::type;
291: my $curr_rndseed = $env{'form.'.$partid.'.rndseed'};
1.73 albertel 292: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
1.212 raeburn 293: if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) {
1.160 albertel 294: if ( $last && $key =~ /^(\d+):/ ) {
295: next if ($1 >= $last);
296: }
1.73 albertel 297: &Apache::lonxml::debug("Trying $key");
298: my $pastresponse=$Apache::lonhomework::history{$key};
299: if ($pastresponse eq $curresponse) {
300: my $history;
301: if ( $key =~ /^(\d+):/ ) {
1.221 raeburn 302: $history=$1;
303: next if ((($questiontype eq 'randomizetry') ||
304: ($Apache::lonhomework::history{"$history:resource.$partid.type"} eq 'randomizetry')) &&
305: ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
1.73 albertel 306: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
307: $previous{'last'}='0';
308: push(@{ $previous{'version'} },$history);
309: } else {
1.221 raeburn 310: next if ((($questiontype eq 'randomizetry') ||
311: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry')) &&
312: ($curr_rndseed ne $Apache::lonhomework::history{"resource.$partid.rndseed"}));
1.73 albertel 313: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
314: $previous{'last'}='1';
315: }
1.221 raeburn 316: $previous{'used'} = 1;
1.73 albertel 317: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
1.209 www 318: if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
1.73 albertel 319: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
1.219 raeburn 320: } elsif ($type eq 'ci') {
321: if (lc($pastresponse) eq lc($curresponse)) {
322: if ($key =~ /^(\d+):/) {
1.221 raeburn 323: my $history = $1;
324: next if (($questiontype eq 'randomizetry') &&
325: ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"}));
326: push (@{$previous{'versionci'}},$history);
1.225 raeburn 327: $previous{'awardci'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
1.219 raeburn 328: $previous{'usedci'} = 1;
329: }
330: }
331: }
1.32 albertel 332: }
1.73 albertel 333: }
334: &Apache::lonhomework::showhash(%previous);
335: return %previous;
1.54 albertel 336: }
337:
338: sub handle_previous {
1.73 albertel 339: my ($previous,$ad)=@_;
340: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
341: if ($$previous{'last'}) {
342: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
1.107 albertel 343: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.217 raeburn 344: } elsif (($Apache::lonhomework::type ne 'survey') &&
345: ($Apache::lonhomework::type ne 'surveycred') &&
346: ($Apache::lonhomework::type ne 'anonsurvey') &&
1.221 raeburn 347: ($Apache::lonhomework::type ne 'anonsurveycred')) {
1.73 albertel 348: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
1.107 albertel 349: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.73 albertel 350: }
1.54 albertel 351: }
1.44 albertel 352: }
353:
1.45 albertel 354: sub view_or_modify {
1.149 albertel 355: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.73 albertel 356: my $myself=0;
1.120 albertel 357: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) {
1.73 albertel 358: $myself=1;
359: }
360: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
361: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
362: if ($mgr) { return "M"; }
363: if ($vgr) { return "V"; }
364: if ($myself) { return "V"; }
365: return '';
1.45 albertel 366: }
367:
1.44 albertel 368: sub start_dataresponse {
1.73 albertel 369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
370: my $id = &Apache::response::start_response($parstack,$safeeval);
371: my $result;
372: if ($target eq 'web') {
373: $result = $token->[2]->{'display'}.':';
374: } elsif ($target eq 'meta') {
375: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
376: $token->[2]->{'type'},
377: $token->[2]->{'display'});
378: $result .= &Apache::response::meta_package_write('dataresponse');
379: }
380: return $result;
1.44 albertel 381: }
382:
383: sub end_dataresponse {
1.73 albertel 384: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
385: my $result;
386: if ( $target eq 'web' ) {
387: } elsif ($target eq 'grade' ) {
1.120 albertel 388: if ( defined $env{'form.submitted'}) {
1.149 albertel 389: my ($symb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
1.73 albertel 390: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
391: if ($allowed) {
1.94 albertel 392: &Apache::response::setup_params('dataresponse',$safeeval);
1.73 albertel 393: my $partid = $Apache::inputtags::part;
394: my $id = $Apache::inputtags::response['-1'];
1.120 albertel 395: my $response = $env{'form.HWVAL_'.$id};
1.73 albertel 396: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
397: if ( $response =~ /[^\s]/) {
398: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
399: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
400: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
401: }
402: } else {
1.235 bisitz 403: $result=&mt('Not Permitted to change values');
1.73 albertel 404: }
1.45 albertel 405: }
1.73 albertel 406: }
407: &Apache::response::end_response;
408: return $result;
1.3 albertel 409: }
410:
1.129 albertel 411: sub start_customresponse {
1.128 albertel 412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
413: my $id = &Apache::response::start_response($parstack,$safeeval);
1.129 albertel 414: push(@Apache::lonxml::namespace,'customresponse');
1.128 albertel 415: my $result;
1.157 www 416: @Apache::response::custom_answer=();
417: @Apache::response::custom_answer_type=();
1.128 albertel 418: &Apache::lonxml::register('Apache::response',('answer'));
419: if ($target eq 'web') {
420: if ( &Apache::response::show_answer() ) {
421: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
422: $safeeval);
1.152 albertel 423: $Apache::inputtags::answertxt{$id}=[$answer];
1.128 albertel 424: }
425: } elsif ($target eq 'edit') {
426: $result.=&Apache::edit::tag_start($target,$token);
427: $result.=&Apache::edit::text_arg('String to display for answer:',
1.220 www 428: 'answerdisplay',$token,'50');
1.128 albertel 429: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
430: } elsif ($target eq 'modified') {
431: my $constructtag;
432: $constructtag=&Apache::edit::get_new_args($token,$parstack,
433: $safeeval,'answerdisplay');
434: if ($constructtag) {
435: $result = &Apache::edit::rebuild_tag($token);
436: }
437: } elsif ($target eq 'answer' || $target eq 'grade') {
438: &Apache::response::reset_params();
439: } elsif ($target eq 'meta') {
1.129 albertel 440: $result .= &Apache::response::meta_package_write('customresponse');
1.128 albertel 441: }
442: return $result;
443: }
444:
1.129 albertel 445: sub end_customresponse {
1.128 albertel 446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
447: my $result;
448: my $part=$Apache::inputtags::part;
449: my $id=$Apache::inputtags::response[-1];
450: if ( $target eq 'grade' && &Apache::response::submitted() ) {
451: my $response = &Apache::response::getresponse();
1.146 albertel 452: if ($Apache::lonhomework::type eq 'exam' ||
453: &Apache::response::submitted('scantron')) {
454: &Apache::response::scored_response($part,$id);
455: } elsif ( $response =~ /[^\s]/ &&
1.158 www 456: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
1.128 albertel 457: if (!$Apache::lonxml::default_homework_loaded) {
458: &Apache::lonxml::default_homework_load($safeeval);
459: }
460: my %previous = &Apache::response::check_for_previous($response,
461: $part,$id);
462: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
463: $response;
464: my $error;
1.129 albertel 465: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
1.128 albertel 466: $response;
467:
1.216 www 468: my ($award,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
1.128 albertel 469: if (!&Apache::inputtags::valid_award($award)) {
470: $error = $award;
471: $award = 'ERROR';
472: }
1.233 raeburn 473: if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' ||
474: $award eq 'EXACT_ANS')) {
475: if ($Apache::lonhomework::type eq 'survey') {
476: $award='SUBMITTED';
477: } elsif ($Apache::lonhomework::type eq 'surveycred') {
478: $award='SUBMITTED_CREDIT';
479: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
480: $award='ANONYMOUS';
481: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
482: $award='ANONYMOUS_CREDIT';
483: }
484: }
1.128 albertel 485: &Apache::response::handle_previous(\%previous,$award);
486: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
487: $award;
1.216 www 488: if ($award eq 'ASSIGNED_SCORE') {
489: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score;
490: }
1.128 albertel 491: if ($error) {
492: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
493: $error;
494: }
495: }
1.146 albertel 496: } elsif ( $target eq 'answer') {
497: $result = &Apache::response::answer_header('customresponse');
498: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
499: $safeeval);
500: if ($env{'form.answer_output_mode'} ne 'tex') {
501: $answer = '<b>'.$answer.'</b>';
502: }
503: $result .= &Apache::response::answer_part('customresponse',$answer);
504: $result .= &Apache::response::answer_footer('customresponse');
505: }
1.163 albertel 506: if ($target eq 'web') {
1.229 raeburn 507: &setup_prior_tries_hash(\&format_prior_response_custom);
1.163 albertel 508: }
1.146 albertel 509: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
510: $target eq 'tex' || $target eq 'analyze') {
1.227 raeburn 511: my $repetition = &repetition();
512: &Apache::lonxml::increment_counter($repetition,"$part.$id");
1.179 foxr 513: if ($target eq 'analyze') {
1.187 raeburn 514: $Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';
1.179 foxr 515: &Apache::lonhomework::set_bubble_lines();
516: }
1.128 albertel 517: }
518: pop(@Apache::lonxml::namespace);
1.157 www 519: pop(@Apache::response::custom_answer);
520: pop(@Apache::response::custom_answer_type);
1.128 albertel 521: &Apache::lonxml::deregister('Apache::response',('answer'));
522: &Apache::response::end_response();
523: return $result;
524: }
525:
1.163 albertel 526: sub format_prior_response_custom {
527: my ($mode,$answer) =@_;
1.229 raeburn 528: if (ref($answer) eq 'ARRAY') {
529: $answer = '('.join(', ', @{ $answer }).')';
530: }
1.163 albertel 531: return '<span class="LC_prior_custom">'.
532: &HTML::Entities::encode($answer,'"<>&').'</span>';
533: }
1.140 www 534:
1.139 www 535: sub start_mathresponse {
1.140 www 536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
537: my $id = &Apache::response::start_response($parstack,$safeeval);
538: push(@Apache::lonxml::namespace,'mathresponse');
1.139 www 539: my $result;
1.157 www 540: @Apache::response::custom_answer=();
541: @Apache::response::custom_answer_type=();
1.140 www 542: &Apache::lonxml::register('Apache::response',('answer'));
543: if ($target eq 'web') {
544: if ( &Apache::response::show_answer() ) {
545: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
546: $safeeval);
1.152 albertel 547: $Apache::inputtags::answertxt{$id}=[$answer];
1.140 www 548: }
1.191 www 549:
1.140 www 550: } elsif ($target eq 'edit') {
551: $result.=&Apache::edit::tag_start($target,$token);
552: $result.=&Apache::edit::text_arg('String to display for answer:',
1.220 www 553: 'answerdisplay',$token,'50');
1.150 www 554: $result.=&Apache::edit::select_arg('Algebra System:',
555: 'cas',
1.214 www 556: ['maxima','R'],
1.150 www 557: $token);
558: $result.=&Apache::edit::text_arg('Argument Array:',
1.193 www 559: 'args',$token).
560: &Apache::loncommon::help_open_topic('Maxima_Argument_Array');
1.192 www 561: $result.=&Apache::edit::text_arg('Libraries:',
1.193 www 562: 'libraries',$token).
563: &Apache::loncommon::help_open_topic('Maxima_Libraries');
1.140 www 564: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
565: } elsif ($target eq 'modified') {
566: my $constructtag;
567: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.192 www 568: $safeeval,'answerdisplay','cas','args','libraries');
1.140 www 569: if ($constructtag) {
570: $result = &Apache::edit::rebuild_tag($token);
571: }
572: } elsif ($target eq 'answer' || $target eq 'grade') {
573: &Apache::response::reset_params();
574: } elsif ($target eq 'meta') {
575: $result .= &Apache::response::meta_package_write('mathresponse');
1.139 www 576: }
577: return $result;
578: }
579:
1.191 www 580: sub edit_mathresponse_button {
1.238 ! raeburn 581: my ($partid,$id)=@_;
! 582: my $field = 'HWVAL_'.$partid.'_'.$id;
1.237 damieng 583: my $btype = $env{'browser.type'};
584: my $bversion = $env{'browser.version'};
585: if (($btype eq 'explorer' && $bversion < 9) || ($btype eq 'safari' && $bversion < 3) ||
586: ($btype eq 'mozilla' && $bversion < 3)) {
587: # DragMath applet
588: my $button=&mt('Edit Answer');
589: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
590: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
591: return(<<ENDFORMULABUTTON);
1.213 bisitz 592: <script type="text/javascript" language="JavaScript">
1.238 ! raeburn 593: function LC_mathedit_${field} (LCtextline) {
! 594: thenumber = LCtextline;
! 595: var thedata = '';
! 596: if (document.getElementById(LCtextline)) {
! 597: thedata = document.getElementById(LCtextline).value;
! 598: }
1.234 raeburn 599: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
1.191 www 600: }
601: </script>
1.238 ! raeburn 602: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
1.191 www 603: ENDFORMULABUTTON
1.237 damieng 604:
605: } else {
1.238 ! raeburn 606: # LON-CAPA math equation editor
! 607: my $mathjaxjs;
! 608: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
! 609: $mathjaxjs = <<"MATHJAX_SCRIPT";
! 610: var mathjaxscript = document.createElement("script");
! 611: mathjaxscript.type = "text/javascript";
! 612: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
! 613: document.body.appendChild(mathjaxscript);
! 614: MATHJAX_SCRIPT
! 615: }
! 616: return(<<EQ_EDITOR_SCRIPT);
1.237 damieng 617: <script type="text/javascript">
1.238 ! raeburn 618: var LCmathField = document.getElementById('${field}');
! 619: LCmathField.className += ' math'; // note the space
1.237 damieng 620: var LCMATH_started;
621: if (typeof LCMATH_started === 'undefined') {
1.238 ! raeburn 622: $mathjaxjs
1.237 damieng 623: LCMATH_started = true;
624: var script = document.createElement("script");
625: script.type = "text/javascript";
626: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
627: document.body.appendChild(script);
628: window.addEventListener('load', function(e) {
629: LCMATH.initEditors();
630: }, false);
631: }
632: </script>
633: EQ_EDITOR_SCRIPT
634: }
1.191 www 635: }
636:
1.139 www 637: sub end_mathresponse {
1.140 www 638: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
639: my $result;
640: my $part=$Apache::inputtags::part;
641: my $id=$Apache::inputtags::response[-1];
642: if ( $target eq 'grade' && &Apache::response::submitted() ) {
643: my $response = &Apache::response::getresponse();
1.150 www 644: if ( $response =~ /[^\s]/ ) {
1.140 www 645: if (!$Apache::lonxml::default_homework_loaded) {
646: &Apache::lonxml::default_homework_load($safeeval);
647: }
648: my %previous = &Apache::response::check_for_previous($response,
649: $part,$id);
650: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
651: $response;
652: my $error;
1.155 www 653: my $award;
654: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
655: if ($cas eq 'maxima') {
656: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
1.192 www 657: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,
658: &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
1.155 www 659: }
1.214 www 660: if ($cas eq 'R') {
661: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
662: $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args,
663: &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
664: }
665:
1.140 www 666: if (!&Apache::inputtags::valid_award($award)) {
1.151 albertel 667: $error = $award;
668: $award = 'ERROR';
1.140 www 669: }
1.233 raeburn 670: if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' ||
671: $award eq 'EXACT_ANS')) {
672: if ($Apache::lonhomework::type eq 'survey') {
673: $award='SUBMITTED';
674: } elsif ($Apache::lonhomework::type eq 'surveycred') {
675: $award='SUBMITTED_CREDIT';
676: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
677: $award='ANONYMOUS';
678: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
679: $award='ANONYMOUS_CREDIT';
680: }
681: }
1.140 www 682: &Apache::response::handle_previous(\%previous,$award);
683: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
684: $award;
685: if ($error) {
686: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
687: $error;
688: }
689: }
690: }
1.163 albertel 691: if ($target eq 'web') {
692: &setup_prior_tries_hash(\&format_prior_response_math);
1.203 riegler 693: my $partid = $Apache::inputtags::part;
694: my $id = $Apache::inputtags::response[-1];
695: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.205 raeburn 696: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
1.238 ! raeburn 697: $result.=&edit_mathresponse_button($partid,$id);
1.202 riegler 698: }
1.163 albertel 699: }
700:
1.140 www 701: pop(@Apache::lonxml::namespace);
1.157 www 702: pop(@Apache::response::custom_answer);
703: pop(@Apache::response::custom_answer_type);
1.140 www 704: &Apache::lonxml::deregister('Apache::response',('answer'));
705: &Apache::response::end_response();
706: return $result;
1.139 www 707: }
708:
1.163 albertel 709: sub format_prior_response_math {
710: my ($mode,$answer) =@_;
711: return '<span class="LC_prior_math">'.
712: &HTML::Entities::encode($answer,'"<>&').'</span>';
713: }
714:
1.156 www 715: sub implicit_multiplication {
716: my ($expression)=@_;
717: # Escape scientific notation, so 3e8 does not become 3*e*8
718: # 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8
719: $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;
720: # 3x10^8 -> 3&8; 3*10^-8 -> 3&-8
721: $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
722: # Fill in multiplication signs
723: # a b -> a*b;3 b -> 3*b;3 4 -> 3*4
1.176 albertel 724: $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs;
1.156 www 725: # )( -> )*(; ) ( -> )*(
726: $expression=~s/\)\s*\(/\)\*\(/gs;
727: # 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A
728: $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;
729: # a ( -> a*(
1.174 riegler 730: $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs;
1.156 www 731: # )a -> )*a; )3 -> )*3; ) 3 -> )*3
1.174 riegler 732: $expression=~s/\)\s*([A-Za-z0-9])/\)\*$1/gs;
1.156 www 733: # 3&8 -> 3e8; 3&-4 -> 3e-4
734: $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
735: return $expression;
736: }
1.140 www 737:
1.128 albertel 738: sub start_answer {
739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
740: my $result;
1.157 www 741: push(@Apache::response::custom_answer,
742: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser));
743: push(@Apache::response::custom_answer_type,
744: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)));
745: $Apache::response::custom_answer_type[-1] =~ s/\s+//g;
1.128 albertel 746: if ($target eq "edit" ) {
747: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm');
748: $result.=&Apache::edit::editfield($token->[1],
1.158 www 749: $Apache::response::custom_answer[-1],
1.128 albertel 750: '',80,4);
751: } elsif ( $target eq "modified" ) {
752: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
753: }
754: return $result;
755: }
756:
757: sub end_answer {
758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
759: if ($target eq 'edit' ) {
760: return &Apache::edit::end_table();
761: }
762: }
763:
1.83 albertel 764: sub decide_package {
765: my ($tagstack)=@_;
766: my $package;
767: if ($$tagstack[-1] eq 'parameter') {
768: $package='part';
769: } else {
770: my $i=-1;
771: while (defined($$tagstack[$i])) {
772: if ($$tagstack[$i] =~ /(response|hint)$/) {
773: $package=$$tagstack[$i];
774: last;
775: }
776: $i--;
777: }
778: }
779: return $package;
780: }
781:
1.3 albertel 782: sub start_responseparam {
1.73 albertel 783: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
784: my $result='';
785: if ($target eq 'meta') {
786: $result = &meta_parameter_write($token->[2]->{'name'},
787: $token->[2]->{'type'},
788: $token->[2]->{'default'},
789: $token->[2]->{'description'});
790: } elsif ($target eq 'edit') {
791: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 792: my $optionlist;
793: my $package=&decide_package($tagstack);
794: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
795: if ($key =~ /^\Q$package\E&(.*)&display$/) {
796: $optionlist.='<option value="'.$1.'">'.
797: $Apache::lonnet::packagetab{$key}.'</option>';
798: }
799: }
800: if (defined($optionlist)) {
1.206 bisitz 801: $result.=&mt('Use template:').' <select name="'.
1.83 albertel 802: &Apache::edit::html_element_name('parameter_package').'">'.
803: '<option value=""></option>'.$optionlist.'</select><br />';
804: }
1.73 albertel 805: $result.=&Apache::edit::text_arg('Name:','name',$token).
806: &Apache::edit::text_arg('Type:','type',$token).
807: &Apache::edit::text_arg('Description:','description',$token).
808: &Apache::edit::text_arg('Default:','default',$token).
809: "</td></tr>";
810: $result.=&Apache::edit::end_table;
811: } elsif ($target eq 'modified') {
1.83 albertel 812: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
813: $safeeval,'name','type',
814: 'description','default');
815: my $element=&Apache::edit::html_element_name('parameter_package');
1.120 albertel 816: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') {
817: my $name=$env{"form.$element"};
1.83 albertel 818: my $tag=&decide_package($tagstack);
819: $token->[2]->{'name'}=$name;
820: $token->[2]->{'type'}=
821: $Apache::lonnet::packagetab{"$tag&$name&type"};
822: $token->[2]->{'description'}=
823: $Apache::lonnet::packagetab{"$tag&$name&display"};
824: $token->[2]->{'default'}=
825: $Apache::lonnet::packagetab{"$tag&$name&default"};
1.186 raeburn 826: $token->[3] = ['name','type','description','default'];
1.83 albertel 827: $constructtag=1;
828: }
1.73 albertel 829: if ($constructtag) {
830: $result = &Apache::edit::rebuild_tag($token);
831: }
832: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
833: $target eq 'tex' || $target eq 'analyze' ) {
1.120 albertel 834: if ($env{'request.state'} eq 'construct') {
1.73 albertel 835: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
836: my $default=&Apache::lonxml::get_param('default',$parstack,
837: $safeeval);
838: if ($name) {$Apache::inputtags::params{$name}=$default;}
839: }
1.52 albertel 840: }
1.73 albertel 841: return $result;
1.3 albertel 842: }
843:
844: sub end_responseparam {
1.73 albertel 845: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
846: if ($target eq 'edit') { return ('','no'); }
847: return '';
1.55 albertel 848: }
849:
850: sub start_parameter {
1.114 albertel 851: return &start_responseparam(@_);
1.55 albertel 852: }
853:
854: sub end_parameter {
1.114 albertel 855: return &end_responseparam(@_);
1.42 albertel 856: }
857:
1.67 albertel 858: sub reset_params {
859: %Apache::inputtags::params=();
860: }
861:
1.42 albertel 862: sub setup_params {
1.94 albertel 863: my ($tag,$safeeval) = @_;
1.42 albertel 864:
1.120 albertel 865: if ($env{'request.state'} eq 'construct') { return; }
1.73 albertel 866: my %paramlist=();
867: foreach my $key (keys(%Apache::lonnet::packagetab)) {
1.161 albertel 868: if ($key =~ /^\Q$tag\E/) {
1.73 albertel 869: my ($package,$name) = split(/&/,$key);
870: $paramlist{$name}=1;
871: }
1.42 albertel 872: }
1.73 albertel 873: foreach my $key (keys(%paramlist)) {
874: my $entry= 'resource.'.$Apache::inputtags::part;
875: if (defined($Apache::inputtags::response[-1])) {
876: $entry.='_'.$Apache::inputtags::response[-1];
877: }
878: $entry.='.'.$key;
879: &Apache::lonxml::debug("looking for $entry");
880: my $value = &Apache::lonnet::EXT("$entry");
881: &Apache::lonxml::debug("$key has value :$value:");
882: if ($value eq 'con_lost' || $value =~ /^error:/) {
883: &Apache::lonxml::debug("using nothing");
884: $Apache::inputtags::params{$key}='';
885: } else {
1.94 albertel 886: my $string="{return qq\0".$value."\0}";
887: my $newvalue=&Apache::run::run($string,$safeeval,1);
888: if (defined($newvalue)) { $value=$newvalue; }
1.73 albertel 889: $Apache::inputtags::params{$key}=$value;
890: }
1.42 albertel 891: }
1.48 albertel 892: }
893:
1.132 albertel 894: {
895: my @answer_bits;
1.147 albertel 896: my $need_row_start;
1.132 albertel 897:
1.48 albertel 898: sub answer_header {
1.147 albertel 899: my ($type,$increment,$rows) = @_;
1.73 albertel 900: my $result;
1.120 albertel 901: if ($env{'form.answer_output_mode'} eq 'tex') {
1.132 albertel 902: undef(@answer_bits);
1.133 albertel 903: my $bit;
904: if ($Apache::lonhomework::type eq 'exam') {
905: $bit = ($Apache::lonxml::counter+$increment).') ';
906: } else {
1.235 bisitz 907: $bit .= ' '.&mt('Answer for Part: [_1]',
908: '\verb|'.$Apache::inputtags::part.'|').' ';
1.133 albertel 909: }
910: push(@answer_bits,$bit);
1.73 albertel 911: } else {
1.147 albertel 912: my $td = '<td '.(defined($rows)?'rowspan="'.$rows.'"':'').'>';
1.132 albertel 913: $result = '<table border="1"><tr>';
914: if ($Apache::lonhomework::type eq 'exam') {
1.147 albertel 915: $result .= $td.($Apache::lonxml::counter+$increment). ')</td>';
1.132 albertel 916: } else {
1.147 albertel 917: $result .= $td.&mt('Answer for Part: [_1]',
918: $Apache::inputtags::part).'</td>';
1.132 albertel 919: }
920: $result .= "\n";
1.147 albertel 921: $need_row_start = 0;
922: }
923: return $result;
924: }
925:
926: sub next_answer {
927: my ($type) = @_;
928: my $result;
929: if ($env{'form.answer_output_mode'} eq 'tex') {
930: # FIXME ... need to do something with tex mode
931: } else {
932: $result .= "</tr>";
933: $need_row_start = 1;
1.73 albertel 934: }
935: return $result;
1.48 albertel 936: }
937:
938: sub answer_part {
1.148 albertel 939: my ($type,$answer,$args) = @_;
1.73 albertel 940: my $result;
1.120 albertel 941: if ($env{'form.answer_output_mode'} eq 'tex') {
1.148 albertel 942: if (!$args->{'no_verbatim'}) {
943: my $to_use='|';
944: foreach my $value (32..126) {
945: my $char=pack('c',$value);
946: if ($answer !~ /\Q$char\E/) {
947: $to_use=$char;
948: last;
949: }
950: }
1.189 www 951: my $fullanswer=$answer;
1.188 www 952: $answer='';
1.189 www 953: foreach my $element (split(/[\;]/,$fullanswer)) {
954: if ($element ne '') {
955: $answer.= '\verb'.$to_use.$element.$to_use.' \newline';
956: }
1.188 www 957: }
1.124 albertel 958: }
1.132 albertel 959: if ($answer ne '') {
1.148 albertel 960: push(@answer_bits,$answer);
1.132 albertel 961: }
1.73 albertel 962: } else {
1.147 albertel 963: if ($need_row_start) {
964: $result .= '<tr>';
965: $need_row_start = 0;
966: }
1.189 www 967: $result .= '<td>'.$answer.'</td>';
1.73 albertel 968: }
969: return $result;
1.48 albertel 970: }
971:
972: sub answer_footer {
1.73 albertel 973: my ($type) = @_;
974: my $result;
1.120 albertel 975: if ($env{'form.answer_output_mode'} eq 'tex') {
1.189 www 976: $result = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline ';
977: $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}';
978: for (my $i=1;$i<=$#answer_bits;$i++) {
979: $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}';
980: }
981: $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm ';
1.73 albertel 982: } else {
1.185 albertel 983: if (!$need_row_start) {
984: $result .= '</tr>';
985: }
986: $result .= '</table>';
1.73 albertel 987: }
988: return $result;
1.1 albertel 989: }
1.2 albertel 990:
1.132 albertel 991: }
992:
1.62 albertel 993: sub showallfoils {
1.120 albertel 994: if (defined($env{'form.showallfoils'})) {
1.149 albertel 995: my ($symb)=&Apache::lonnet::whichuser();
1.120 albertel 996: if (($env{'request.state'} eq 'construct') ||
997: ($env{'user.adv'} && $symb eq '') ||
1.118 foxr 998: ($Apache::lonhomework::viewgrades) ) {
1.102 albertel 999: return 1;
1000: }
1.73 albertel 1001: }
1.108 albertel 1002: if ($Apache::lonhomework::type eq 'survey') { return 1; }
1.217 raeburn 1003: if ($Apache::lonhomework::type eq 'surveycred') { return 1; }
1004: if ($Apache::lonhomework::type eq 'anonsurvey') { return 1; }
1005: if ($Apache::lonhomework::type eq 'anonsurveycred') { return 1; }
1006:
1.102 albertel 1007: return 0;
1.70 albertel 1008: }
1009:
1.168 albertel 1010: =pod
1011:
1.210 raeburn 1012: =item &getresponse();
1.168 albertel 1013:
1014: Retreives the current submitted response, helps out in the case of
1015: scantron mode.
1016:
1017: Returns either the exact text of the submission, or a bubbled response
1018: converted to something usable.
1019:
1020: Optional Arguments:
1.171 albertel 1021: $offset - (defaults to 1) if a problem has more than one bubble
1022: response, pass in the number of the bubble wanted, (the
1023: first bubble associated with a problem has an offset of 1,
1024: the second bubble is 2
1025:
1.168 albertel 1026: $resulttype - undef -> a number between 0 and 25
1027: 'A is 1' -> a number between 1 and 26
1028: 'letter' -> a letter between 'A' and 'Z'
1.172 foxr 1029: $lines - undef problem only needs a single line of bubbles.
1030: nonzero Problem wants the first nonempty response in
1031: $lines lines of bubbles.
1032: $bubbles_per_line - Must be provided if lines is defined.. number of
1033: bubbles on a line.
1.173 albertel 1034:
1.168 albertel 1035: =cut
1036:
1.70 albertel 1037: sub getresponse {
1.172 foxr 1038: my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
1.70 albertel 1039: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
1040: my $response;
1.168 albertel 1041: if (!defined($offset)) {
1.170 albertel 1042: $offset=1;
1.70 albertel 1043: } else {
1.168 albertel 1044: $formparm.=":$offset";
1.70 albertel 1045: }
1.172 foxr 1046: if (!defined($lines)) {
1047: $lines = 1;
1048: }
1.70 albertel 1049: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
1050: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
1051: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
1052: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
1.120 albertel 1053: if ($env{'form.submitted'} eq 'scantron') {
1.71 albertel 1054: my $part = $Apache::inputtags::part;
1055: my $id = $Apache::inputtags::response[-1];
1.172 foxr 1056:
1057: my $line;
1.211 raeburn 1058: my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id};
1059: if (!$startline) {
1060: $startline = $Apache::lonxml::counter;
1061: }
1.172 foxr 1062: for ($line = 0; $line < $lines; $line++) {
1.211 raeburn 1063: my $theline = $startline+$offset-1+$line;
1.184 foxr 1064: $response = $env{"scantron.$theline.answer"};
1065: if ((defined($response)) && ($response ne "") && ($response ne " ")) {
1.172 foxr 1066: last;
1067: }
1.211 raeburn 1068:
1.172 foxr 1069: }
1.178 albertel 1070:
1071: # save bubbled letter for later
1072: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
1073: $response;
1.90 albertel 1074: if ($resulttype ne 'letter') {
1.226 raeburn 1075: $response = $let_to_num{$response};
1076: if ($resulttype eq 'A is 1') {
1077: if ($response ne "") {
1078: $response = $response+1;
1079: }
1.104 albertel 1080: }
1.172 foxr 1081: if ($response ne "") {
1082: $response += $line * $bubbles_per_line;
1083: }
1084: } else {
1085: if ($response ne "") {
1.226 raeburn 1086: my $raw = $response;
1.172 foxr 1087: $response = chr(ord($response) + $line * $bubbles_per_line);
1088: }
1.90 albertel 1089: }
1.172 foxr 1090:
1.70 albertel 1091: } else {
1.120 albertel 1092: $response = $env{$formparm};
1.70 albertel 1093: }
1.172 foxr 1094: #
1095: # If we have a nonempty answer, correct the numeric value
1096: # of the answer for the line on which it was found.
1097: #
1098:
1.70 albertel 1099: return $response;
1.62 albertel 1100: }
1.71 albertel 1101:
1.168 albertel 1102: =pod
1103:
1104: =item &repetition();
1105:
1.227 raeburn 1106: In scalar context:
1107:
1108: returns: the number of lines that are required to encode the weight.
1.226 raeburn 1109: (Default is for 10 bubbles per bubblesheet item; other (integer)
1110: values can be specified by using a custom Bubblesheet format file
1111: with an eighteenth entry (BubblesPerRow) set to the integer
1112: appropriate for the bubblesheets which will be used to assign weights.
1.168 albertel 1113:
1.227 raeburn 1114: In array context:
1115:
1116: returns: number of lines required to encode weight, and bubbles/line.
1117:
1.168 albertel 1118: =cut
1119:
1.71 albertel 1120: sub repetition {
1121: my $id = $Apache::inputtags::part;
1122: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.121 albertel 1123: if (!defined($weight) || ($weight eq '')) { $weight=1; }
1.226 raeburn 1124: my $bubbles_per_row;
1125: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
1126: ($env{'form.bubbles_per_row'} > 0)) {
1127: $bubbles_per_row = $env{'form.bubbles_per_row'};
1128: } else {
1129: $bubbles_per_row = 10;
1130: }
1.227 raeburn 1131: my $denominator = $bubbles_per_row;
1132: if (($env{'form.scantron_lastbubblepoints'} == 0) &&
1133: ($bubbles_per_row > 1)) {
1134: $denominator = $bubbles_per_row - 1;
1135: }
1136: my $repetition = int($weight/$denominator);
1137: if ($weight % $denominator != 0) { $repetition++; }
1138: if (wantarray) {
1139: return ($repetition,$bubbles_per_row);
1140: }
1.72 albertel 1141: return $repetition;
1.227 raeburn 1142:
1.72 albertel 1143: }
1144:
1.168 albertel 1145: =pod
1146:
1.210 raeburn 1147: =item &scored_response();
1.168 albertel 1148:
1149: Sets the results hash elements
1150:
1151: resource.$part_id.$response_id.awarded - to the floating point
1152: number between 0 and 1 that was awarded on the bubbled input
1153:
1154: resource.$part_id.$response_id.awarddetail - to 'ASSIGNED_SCORE'
1155:
1156: Returns
1157:
1158: the number of bubble sheet lines that were used (and likely need to
1159: be passed to &Apache::lonxml::increment_counter()
1160:
1161: Arguments
1162:
1163: $part_id - id of the part to grade
1164: $response_id - id of the response to grade
1165:
1166:
1167: =cut
1168:
1.72 albertel 1169: sub scored_response {
1170: my ($part,$id)=@_;
1171: my $repetition=&repetition();
1.227 raeburn 1172: my $bubbles_per_row;
1173: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
1174: ($env{'form.bubbles_per_row'} > 0)) {
1175: $bubbles_per_row = $env{'form.bubbles_per_row'};
1176: } else {
1177: $bubbles_per_row = 10;
1178: }
1.72 albertel 1179: my $score=0;
1180: for (my $i=0;$i<$repetition;$i++) {
1.227 raeburn 1181: # A is 1, B is 2, etc.
1.72 albertel 1182: my $increase=&Apache::response::getresponse($i+1);
1.227 raeburn 1183: unless (($increase == $bubbles_per_row-1) &&
1184: ($env{'form.scantron_lastbubblepoints'} == 0)) {
1185: # (get response return 0-9 and then we add 1)
1186: if ($increase ne '') {
1187: $score+=$increase+1;
1188: }
1189: }
1.72 albertel 1190: }
1191: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
1.91 albertel 1192: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
1.72 albertel 1193: my $pcr=$score/$weight;
1194: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
1195: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
1196: 'ASSIGNED_SCORE';
1.71 albertel 1197: return $repetition;
1.78 albertel 1198: }
1199:
1200: sub whichorder {
1.221 raeburn 1201: my ($max,$randomize,$showall,$hash,$rndseed)=@_;
1.78 albertel 1202: #&Apache::lonxml::debug("man $max randomize $randomize");
1.231 raeburn 1203: my @names;
1204: if (ref($hash->{'names'}) eq 'ARRAY') {
1205: @names = @{$hash->{'names'}};
1206: }
1207: return if (!@names);
1.78 albertel 1208: my @whichopt =();
1209: my (%top,@toplist,%bottom,@bottomlist);
1210: if (!($showall || ($randomize eq 'no'))) {
1211: my $current=0;
1212: foreach my $name (@names) {
1213: $current++;
1214: if ($$hash{"$name.location"} eq 'top') {
1215: $top{$name}=$current;
1216: } elsif ($$hash{"$name.location"} eq 'bottom') {
1217: $bottom{$name}=$current;
1218: }
1219: }
1220: }
1221: my $topcount=0;
1222: my $bottomcount=0;
1223: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
1224: && ($#names > -1)) {
1225: #&Apache::lonxml::debug("Have $#whichopt max is $max");
1226: my $aopt;
1227: if ($showall || ($randomize eq 'no')) {
1228: $aopt=0;
1229: } else {
1230: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
1231: }
1232: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
1233: $aopt=splice(@names,$aopt,1);
1234: #&Apache::lonxml::debug("Picked $aopt");
1235: if ($top{$aopt}) {
1236: $toplist[$top{$aopt}]=$aopt;
1237: $topcount++;
1238: } elsif ($bottom{$aopt}) {
1239: $bottomlist[$bottom{$aopt}]=$aopt;
1240: $bottomcount++;
1241: } else {
1242: push (@whichopt,$aopt);
1243: }
1244: }
1245: for (my $i=0;$i<=$#toplist;$i++) {
1246: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
1247: }
1248: for (my $i=0;$i<=$#bottomlist;$i++) {
1249: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
1250: }
1251: return @whichopt;
1.71 albertel 1252: }
1253:
1.85 albertel 1254: sub show_answer {
1255: my $part = $Apache::inputtags::part;
1.228 raeburn 1256: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
1.85 albertel 1257: my $status = $Apache::inputtags::status[-1];
1.228 raeburn 1258: my $canshow = 0;
1259: if ($award =~ /^correct/) {
1.230 raeburn 1260: if (($Apache::lonhomework::history{"resource.$part.awarded"} >= 1) ||
1261: (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/)) {
1.228 raeburn 1262: $canshow = 1;
1263: }
1264: }
1265: return (($canshow && &Apache::lonhomework::show_problem_status())
1266: || $status eq "SHOW_ANSWER");
1.85 albertel 1267: }
1.87 albertel 1268:
1269: sub analyze_store_foilgroup {
1270: my ($shown,$attrs)=@_;
1271: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1272: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
1273: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
1274: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
1275: foreach my $attr (@$attrs) {
1276: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
1277: $Apache::response::foilgroup{"$name.".$attr};
1278: }
1279: }
1280: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
1.96 albertel 1281: }
1282:
1283: sub check_if_computed {
1284: my ($token,$parstack,$safeeval,$name)=@_;
1285: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
1.106 matthew 1286: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
1.96 albertel 1287: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1288: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
1289: }
1.87 albertel 1290: }
1291:
1292: sub pick_foil_for_concept {
1293: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
1.231 raeburn 1294: my @names;
1295: if (ref($Apache::response::conceptgroup{'names'}) eq 'ARRAY') {
1296: @names = @{ $Apache::response::conceptgroup{'names'} };
1297: }
1298: return if (!@names);
1.87 albertel 1299: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1300: my $name=$names[$pick];
1301: push @{ $Apache::response::foilgroup{'names'} }, $name;
1302: foreach my $attr (@$attrs) {
1303: $Apache::response::foilgroup{"$name.".$attr} =
1304: $Apache::response::conceptgroup{"$name.".$attr};
1305: }
1306: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
1307: $Apache::response::foilgroup{"$name.concept"} = $concept;
1308: &Apache::lonxml::debug("Selecting $name in $concept");
1309: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1310: if ($target eq 'analyze') {
1311: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
1312: $concept);
1313: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
1314: $Apache::response::conceptgroup{'names'};
1315: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
1316: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
1317: $name);
1318: foreach my $attr (@$attrs) {
1319: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
1320: $Apache::response::conceptgroup{"$name.$attr"};
1321: }
1322: }
1323: }
1324: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
1325: $hinthash->{"$part_id.concept.$concept"}=
1326: $Apache::response::conceptgroup{'names'};
1327:
1328: }
1.208 jms 1329:
1330: =pod
1331:
1332: =item get_response_param()
1333:
1334: Get a parameter associated with a problem.
1335: Parameters:
1336: $id - the id of the paramater, either a part id,
1337: or a partid and responspe id joined by _
1338: $name - Name of the parameter to fetch
1339: $default - Default value for the paramter.
1340:
1341: =cut
1342:
1.95 albertel 1343: sub get_response_param {
1344: my ($id,$name,$default)=@_;
1345: my $parameter;
1.120 albertel 1346: if ($env{'request.state'} eq 'construct' &&
1.95 albertel 1347: defined($Apache::inputtags::params{$name})) {
1348: $parameter=$Apache::inputtags::params{$name};
1349: } else {
1350: $parameter=&Apache::lonnet::EXT("resource.$id.$name");
1351: }
1352: if (!defined($parameter) || $parameter eq '') {
1353: $parameter = $default;
1354: }
1355: return $parameter;
1356: }
1.87 albertel 1357:
1.113 albertel 1358: sub submitted {
1359: my ($who)=@_;
1360:
1361: # when scatron grading any submission is a submission
1.120 albertel 1362: if ($env{'form.submitted'} eq 'scantron') { return 1; }
1.113 albertel 1363: # if the caller only cared if this was a scantron submission
1364: if ($who eq 'scantron') { return 0; }
1365: # if the Submit Answer button for this particular part was pressed
1366: my $partid=$Apache::inputtags::part;
1.159 albertel 1367: if ($env{'form.submitted'} eq "part_$partid") {
1368: return 1;
1369: }
1370: if ($env{'form.submitted'} eq "yes"
1371: && defined($env{'form.submit_'.$partid})) {
1372: return 1;
1373: }
1.122 albertel 1374: # Submit All button on a .page was pressed
1375: if (defined($env{'form.all_submit'})) { return 1; }
1.204 bisitz 1376: # otherwise no submission occurred
1.113 albertel 1377: return 0;
1378: }
1.117 albertel 1379:
1.130 albertel 1380: sub add_to_gradingqueue {
1.149 albertel 1381: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.131 albertel 1382: if ( $courseid eq ''
1383: || $symb eq ''
1.135 albertel 1384: || $env{'request.state'} eq 'construct'
1385: || $Apache::lonhomework::type ne 'problem') {
1.131 albertel 1386: return;
1387: }
1.130 albertel 1388:
1389: my %queue_info = ( 'type' => 'problem',
1390: 'time' => time);
1391:
1392: if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) {
1393: $queue_info{'slot'}=
1394: $Apache::lonhomework::history{"resource.0.checkedin.slot"};
1395: }
1396:
1397: my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info);
1398: if ($result ne 'ok') {
1399: &Apache::lonxml::error("add_to_queue said $result");
1400: }
1401: }
1402:
1.208 jms 1403: =pod
1404:
1405: =item check_status()
1406:
1407: basically undef and 0 (both false) mean that they still have work to do
1408: and all true values mean that they can't do any more work
1409:
1410: a return of undef means it is unattempted
1411: a return of 0 means it is attmpted and wrong but still has tries
1412: a return of 1 means it is marked correct
1413: a return of 2 means they have exceed maximum number of tries
1414: a return of 3 means it after the answer date
1415:
1416: =cut
1417:
1.117 albertel 1418: sub check_status {
1419: my ($id)=@_;
1.143 albertel 1420: if (!defined($id)) { $id=$Apache::inputtags::part; }
1.117 albertel 1421: my $curtime=&Apache::lonnet::EXT('system.time');
1422: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate");
1.236 raeburn 1423: my $duedate=&Apache::lonhomework::due_date($id);
1.117 albertel 1424: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate");
1425: if ( $opendate && $curtime > $opendate &&
1426: $duedate && $curtime > $duedate &&
1427: $answerdate && $curtime > $answerdate) {
1428: return 3;
1429: }
1430: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved");
1431: if ($status =~ /^correct/) { return 1; }
1432: if (!$status) { return undef; }
1433: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries");
1434: if ($maxtries eq '') { $maxtries=2; }
1435: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries");
1436: if ($curtries < $maxtries) { return 0; }
1437: return 2;
1438: }
1439:
1.177 albertel 1440: =pod
1441:
1.210 raeburn 1442: =item setup_prior_tries_hash()
1.177 albertel 1443:
1444: Foreach each past .submission $func is called with 3 arguments
1445: - the mode to set things up for (currently always 'grade')
1446: - the stored .submission string
1447: - The expansion of $data
1448:
1449: $data is an array ref containing elements that are either
1450: - scalars that are other elements of the history hash to pass to $func
1451: - ref to data to be passed untouched to $func
1452:
1.221 raeburn 1453: $questiontype is the questiontype (currently only passed in if
1454: randomizebytry.
1455:
1.177 albertel 1456: =cut
1457:
1.162 albertel 1458: sub setup_prior_tries_hash {
1.221 raeburn 1459: my ($func,$data,$questiontype) = @_;
1.162 albertel 1460: my $part = $Apache::inputtags::part;
1.221 raeburn 1461: my $id = $Apache::inputtags::response[-1];
1.162 albertel 1462: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1.221 raeburn 1463: my $partprefix = "$i:resource.$part";
1464: my $sub_key = "$partprefix.$id.submission";
1.162 albertel 1465: next if (!exists($Apache::lonhomework::history{$sub_key}));
1.221 raeburn 1466: my $type_key = "$partprefix.type";
1467: my $type = $Apache::lonhomework::history{$type_key};
1.162 albertel 1468: my @other_data;
1.221 raeburn 1469: if (ref($data) eq 'ARRAY') {
1470: foreach my $datum (@{ $data }) {
1471: if (ref($datum)) {
1472: push(@other_data,$datum);
1473: } else {
1474: my $info_key = "$i:resource.$part.$id.$datum";
1475: push(@other_data,$Apache::lonhomework::history{$info_key});
1476: }
1.162 albertel 1477: }
1.221 raeburn 1478: }
1479: if ($questiontype eq 'randomizetry') {
1480: my $order_key = "$partprefix.$id.foilorder";
1481: my @whichopts = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key});
1482: if (@whichopts > 0) {
1483: shift(@other_data);
1484: unshift(@other_data,\@whichopts);
1485: }
1486: }
1.162 albertel 1487: my $output =
1488: &$func('grade',
1489: $Apache::lonhomework::history{$sub_key},
1490: \@other_data);
1491: if (defined($output)) {
1492: $Apache::inputtags::submission_display{$sub_key} = $output;
1493: }
1494: }
1495: }
1496:
1.1 albertel 1497: 1;
1498: __END__
1.38 albertel 1499:
1.208 jms 1500: =pod
1501:
1.209 www 1502: =cut
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