Annotation of loncom/homework/response.pm, revision 1.206.2.1
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.206.2.1! raeburn 4: # $Id: response.pm,v 1.206 2008/10/24 16:22:54 bisitz 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:
1.1 albertel 29: package Apache::response;
30: use strict;
1.93 albertel 31: use Apache::lonlocal;
1.120 albertel 32: use Apache::lonnet;
1.153 www 33: use Apache::lonmaxima();
1.1 albertel 34:
1.57 harris41 35: BEGIN {
1.139 www 36: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
1.1 albertel 37: }
38:
1.13 albertel 39: sub start_response {
1.73 albertel 40: my ($parstack,$safeeval)=@_;
1.136 albertel 41: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.73 albertel 42: if ($#Apache::inputtags::import > -1) {
43: &Apache::lonxml::debug("Turning :$id: into");
44: $id = join('_',@Apache::inputtags::import).'_'.$id;
45: &Apache::lonxml::debug("New :$id:");
46: }
47: push (@Apache::inputtags::response,$id);
48: push (@Apache::inputtags::responselist,$id);
49: @Apache::inputtags::inputlist=();
1.101 albertel 50: if ($Apache::inputtags::part eq '' &&
51: !$Apache::lonhomework::ignore_response_errors) {
1.97 albertel 52: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"'));
1.92 albertel 53: }
54: if ($Apache::inputtags::response_with_no_part &&
55: $Apache::inputtags::part ne '0') {
1.97 albertel 56: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />');
1.92 albertel 57: }
58: if ($Apache::inputtags::part eq '0') {
59: $Apache::inputtags::response_with_no_part=1;
60: }
1.73 albertel 61: return $id;
1.13 albertel 62: }
63:
64: sub end_response {
1.79 albertel 65: #pop @Apache::inputtags::response;
1.73 albertel 66: @Apache::inputtags::inputlist=();
67: return '';
1.13 albertel 68: }
69:
1.41 albertel 70: sub start_hintresponse {
1.73 albertel 71: my ($parstack,$safeeval)=@_;
1.136 albertel 72: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.123 albertel 73: push (@Apache::inputtags::hint,$id);
74: push (@Apache::inputtags::hintlist,$id);
1.73 albertel 75: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
76: return $id;
1.41 albertel 77: }
78:
79: sub end_hintresponse {
1.123 albertel 80: pop @Apache::inputtags::hint;
1.73 albertel 81: if (defined($Apache::inputtags::paramstack[-1])) {
82: %Apache::inputtags::params=
83: @{ pop(@Apache::inputtags::paramstack) };
84: }
85: return '';
1.41 albertel 86: }
87:
1.99 albertel 88: my @randomseeds;
89: sub pushrandomnumber {
90: my $rand_alg=&Apache::lonnet::get_rand_alg();
91: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
92: $rand_alg eq '64bit2') {
93: # do nothing
94: } else {
95: my @seed=&Math::Random::random_get_seed();
1.127 albertel 96: push(@randomseeds,\@seed);
1.99 albertel 97: }
1.127 albertel 98: &Apache::response::setrandomnumber(@_);
1.99 albertel 99: }
100: sub poprandomnumber {
101: my $rand_alg=&Apache::lonnet::get_rand_alg();
102: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
103: $rand_alg eq '64bit2') {
104: return;
105: }
106: my $seed=pop(@randomseeds);
107: if ($seed) {
108: &Math::Random::random_set_seed(@$seed);
109: } else {
110: &Apache::lonxml::error("Unable to restore random algorithm.");
111: }
112: }
1.117 albertel 113:
1.26 albertel 114: sub setrandomnumber {
1.127 albertel 115: my ($ignore_id2) = @_;
1.73 albertel 116: my $rndseed;
1.88 albertel 117: $rndseed=&Apache::structuretags::setup_rndseed();
118: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 119: &Apache::lonxml::debug("randseed $rndseed");
120: # $rndseed=unpack("%32i",$rndseed);
1.99 albertel 121: my $rand_alg=&Apache::lonnet::get_rand_alg();
1.126 albertel 122: my ($rndmod,$rndmod2);
1.119 albertel 123:
124: my ($id1,$id2,$shift_amt);
125: if ($Apache::lonhomework::parsing_a_problem) {
126: $id1=$Apache::inputtags::part;
127: if (defined($Apache::inputtags::response[-1])) {
128: $id2=$Apache::inputtags::response[-1];
129: }
130: $shift_amt=scalar(@Apache::inputtags::responselist);
131: } elsif ($Apache::lonhomework::parsing_a_task) {
1.141 albertel 132: $id1=&Apache::bridgetask::get_dim_id();
133: if (!$ignore_id2 && ref($Apache::bridgetask::instance{$id1})) {
134: $id2=$Apache::bridgetask::instance{$id1}[-1];
1.142 albertel 135: $shift_amt=scalar(@{$Apache::bridgetask::instance{$id1}});
136: } else {
137: $shift_amt=0;
1.119 albertel 138: }
139: }
140: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt");
1.99 albertel 141: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
142: $rand_alg eq '64bit2') {
1.119 albertel 143: $rndmod=(&Apache::lonnet::numval($id1) << 10);
144: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); }
1.110 albertel 145: } elsif ($rand_alg eq '64bit3') {
1.119 albertel 146: $rndmod=(&Apache::lonnet::numval2($id1) << 10);
147: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); }
1.126 albertel 148: } elsif ($rand_alg eq '64bit4') {
1.119 albertel 149: my $shift=(4*$shift_amt)%30;
150: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30));
151: if (defined($id2)) {
152: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift );
1.110 albertel 153: }
1.126 albertel 154: } else {
155: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
1.99 albertel 156: }
1.127 albertel 157:
1.99 albertel 158: if ($rndseed =~/([,:])/) {
159: my $char=$1;
160: use integer;
161: my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
162: $num1+=$rndmod;
1.126 albertel 163: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod);
1.109 albertel 164: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.99 albertel 165: $rndseed=$num1.$char.$num2;
166: } else {
1.74 albertel 167: $rndseed+=$rndmod;
1.109 albertel 168: if($Apache::lonnet::_64bit) {
169: use integer;
170: $rndseed=(($rndseed<<32)>>32);
171: }
1.74 albertel 172: }
1.111 albertel 173: &Apache::lonxml::debug("randseed $rndmod $rndseed");
1.74 albertel 174: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 175: return '';
1.26 albertel 176: }
177:
1.7 www 178: sub meta_parameter_write {
1.38 albertel 179: my ($name,$type,$default,$display)=@_;
1.41 albertel 180: my $partref=$Apache::inputtags::part;
181: my $result='<parameter part="'.$Apache::inputtags::part.'"';
182: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 183: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
184: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 185: }
186: $result.= ' name="'.$name.'"'.
187: ' type="'.$type.'"'.
1.89 albertel 188: (defined($default)?' default="'.$default.'"':'').
189: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 190: .'></parameter>'
191: ."\n";
192: return $result;
1.33 www 193: }
194:
195: sub meta_package_write {
196: my $name=shift;
1.41 albertel 197: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
198: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 199: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 200: }
201: $result.=' package="'.$name.'"></parameter>'."\n";
202: return $result;
1.7 www 203: }
204:
205: sub meta_stores_write {
1.10 www 206: my ($name,$type,$display)=@_;
1.41 albertel 207: my $partref=$Apache::inputtags::part;
208: my $result = '<stores part="'.$Apache::inputtags::part.'"';
209: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 210: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
211: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 212: }
213: $result.= ' name="'.$name.'"'.
214: ' type="'.$type.'"'.
215: ' display="'.$display.' [Part: '.$partref.']"'.
216: "></stores>\n";
1.7 www 217: }
218:
219: sub mandatory_part_meta {
220: #
221: # Autogenerate metadata for mandatory
222: # input (from RAT or lonparmset) and
223: # output (to lonspreadsheet)
224: # of each part
225: #
1.73 albertel 226: return
1.34 www 227: # &meta_parameter_write('opendate','date_start','',
228: # 'Opening Date').
229: # &meta_parameter_write('duedate','date_end','',
230: # 'Due Date').
231: # &meta_parameter_write('answerdate','date_start','',
232: # 'Show Answer Date').
233: # &meta_parameter_write('weight','int_zeropos','',
234: # 'Available Points').
235: # &meta_parameter_write('maxtries','int_pos','',
236: # 'Maximum Number of Tries').
1.73 albertel 237: &meta_package_write('part').
238: &meta_stores_write('solved','string',
239: 'Problem Status').
240: &meta_stores_write('tries','int_zeropos',
241: 'Number of Attempts').
242: &meta_stores_write('awarded','float',
243: 'Partial Credit Factor');
1.7 www 244: #
245: # Note: responseid-specific data 'submission' and 'awarddetail'
246: # not available to spreadsheet -> skip here
247: #
1.86 albertel 248: }
249:
250: sub meta_part_order {
251: if (@Apache::inputtags::partlist) {
252: my @parts=@Apache::inputtags::partlist;
253: shift(@parts);
1.100 albertel 254: return '<partorder>'.join(',',@parts).'</partorder>'."\n";
1.86 albertel 255: } else {
1.100 albertel 256: return '<partorder>0</partorder>'."\n";
257: }
258: }
259:
260: sub meta_response_order {
261: if (@Apache::inputtags::responselist) {
262: return '<responseorder>'.join(',',@Apache::inputtags::responselist).
263: '</responseorder>'."\n";
1.86 albertel 264: }
1.14 albertel 265: }
266:
1.15 albertel 267: sub check_for_previous {
1.160 albertel 268: my ($curresponse,$partid,$id,$last) = @_;
1.73 albertel 269: my %previous;
270: $previous{'used'} = 0;
271: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
1.98 albertel 272: if ($key =~ /resource\.$partid\.$id\.submission$/) {
1.160 albertel 273: if ( $last && $key =~ /^(\d+):/ ) {
274: next if ($1 >= $last);
275: }
1.73 albertel 276: &Apache::lonxml::debug("Trying $key");
277: my $pastresponse=$Apache::lonhomework::history{$key};
278: if ($pastresponse eq $curresponse) {
279: $previous{'used'} = 1;
280: my $history;
281: if ( $key =~ /^(\d+):/ ) {
282: $history=$1;
283: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
284: $previous{'last'}='0';
285: push(@{ $previous{'version'} },$history);
286: } else {
287: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
288: $previous{'last'}='1';
289: }
290: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
1.206.2.1! raeburn 291: if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
1.73 albertel 292: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
293: }
1.32 albertel 294: }
1.73 albertel 295: }
296: &Apache::lonhomework::showhash(%previous);
297: return %previous;
1.54 albertel 298: }
299:
300: sub handle_previous {
1.73 albertel 301: my ($previous,$ad)=@_;
302: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
303: if ($$previous{'last'}) {
304: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
1.107 albertel 305: push(@Apache::inputtags::previous_version,$$previous{'version'});
306: } elsif ($Apache::lonhomework::type ne 'survey') {
1.73 albertel 307: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
1.107 albertel 308: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.73 albertel 309: }
1.54 albertel 310: }
1.44 albertel 311: }
312:
1.45 albertel 313: sub view_or_modify {
1.149 albertel 314: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.73 albertel 315: my $myself=0;
1.120 albertel 316: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) {
1.73 albertel 317: $myself=1;
318: }
319: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
320: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
321: if ($mgr) { return "M"; }
322: if ($vgr) { return "V"; }
323: if ($myself) { return "V"; }
324: return '';
1.45 albertel 325: }
326:
1.44 albertel 327: sub start_dataresponse {
1.73 albertel 328: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
329: my $id = &Apache::response::start_response($parstack,$safeeval);
330: my $result;
331: if ($target eq 'web') {
332: $result = $token->[2]->{'display'}.':';
333: } elsif ($target eq 'meta') {
334: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
335: $token->[2]->{'type'},
336: $token->[2]->{'display'});
337: $result .= &Apache::response::meta_package_write('dataresponse');
338: }
339: return $result;
1.44 albertel 340: }
341:
342: sub end_dataresponse {
1.73 albertel 343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
344: my $result;
345: if ( $target eq 'web' ) {
346: } elsif ($target eq 'grade' ) {
1.120 albertel 347: if ( defined $env{'form.submitted'}) {
1.149 albertel 348: my ($symb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
1.73 albertel 349: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
350: if ($allowed) {
1.94 albertel 351: &Apache::response::setup_params('dataresponse',$safeeval);
1.73 albertel 352: my $partid = $Apache::inputtags::part;
353: my $id = $Apache::inputtags::response['-1'];
1.120 albertel 354: my $response = $env{'form.HWVAL_'.$id};
1.73 albertel 355: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
356: if ( $response =~ /[^\s]/) {
357: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
358: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
359: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
360: }
361: } else {
362: $result='Not Permitted to change values.'
363: }
1.45 albertel 364: }
1.73 albertel 365: }
366: &Apache::response::end_response;
367: return $result;
1.3 albertel 368: }
369:
1.129 albertel 370: sub start_customresponse {
1.128 albertel 371: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
372: my $id = &Apache::response::start_response($parstack,$safeeval);
1.129 albertel 373: push(@Apache::lonxml::namespace,'customresponse');
1.128 albertel 374: my $result;
1.157 www 375: @Apache::response::custom_answer=();
376: @Apache::response::custom_answer_type=();
1.128 albertel 377: &Apache::lonxml::register('Apache::response',('answer'));
378: if ($target eq 'web') {
379: if ( &Apache::response::show_answer() ) {
380: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
381: $safeeval);
1.152 albertel 382: $Apache::inputtags::answertxt{$id}=[$answer];
1.128 albertel 383: }
384: } elsif ($target eq 'edit') {
385: $result.=&Apache::edit::tag_start($target,$token);
386: $result.=&Apache::edit::text_arg('String to display for answer:',
1.145 albertel 387: 'answerdisplay',$token);
1.128 albertel 388: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
389: } elsif ($target eq 'modified') {
390: my $constructtag;
391: $constructtag=&Apache::edit::get_new_args($token,$parstack,
392: $safeeval,'answerdisplay');
393: if ($constructtag) {
394: $result = &Apache::edit::rebuild_tag($token);
395: }
396: } elsif ($target eq 'answer' || $target eq 'grade') {
397: &Apache::response::reset_params();
398: } elsif ($target eq 'meta') {
1.129 albertel 399: $result .= &Apache::response::meta_package_write('customresponse');
1.128 albertel 400: }
401: return $result;
402: }
403:
1.129 albertel 404: sub end_customresponse {
1.128 albertel 405: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
406: my $result;
407: my $part=$Apache::inputtags::part;
408: my $id=$Apache::inputtags::response[-1];
409: if ( $target eq 'grade' && &Apache::response::submitted() ) {
410: my $response = &Apache::response::getresponse();
1.146 albertel 411: if ($Apache::lonhomework::type eq 'exam' ||
412: &Apache::response::submitted('scantron')) {
413: &Apache::response::scored_response($part,$id);
414: } elsif ( $response =~ /[^\s]/ &&
1.158 www 415: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
1.128 albertel 416: if (!$Apache::lonxml::default_homework_loaded) {
417: &Apache::lonxml::default_homework_load($safeeval);
418: }
419: my %previous = &Apache::response::check_for_previous($response,
420: $part,$id);
421: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
422: $response;
423: my $error;
1.129 albertel 424: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
1.128 albertel 425: $response;
426:
1.157 www 427: my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
1.128 albertel 428: if (!&Apache::inputtags::valid_award($award)) {
429: $error = $award;
430: $award = 'ERROR';
431: }
432: &Apache::response::handle_previous(\%previous,$award);
433: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
434: $award;
435: if ($error) {
436: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
437: $error;
438: }
439: }
1.146 albertel 440: } elsif ( $target eq 'answer') {
441: $result = &Apache::response::answer_header('customresponse');
442: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
443: $safeeval);
444: if ($env{'form.answer_output_mode'} ne 'tex') {
445: $answer = '<b>'.$answer.'</b>';
446: }
447: $result .= &Apache::response::answer_part('customresponse',$answer);
448: $result .= &Apache::response::answer_footer('customresponse');
449: }
1.163 albertel 450: if ($target eq 'web') {
451: &setup_prior_tries_hash(\&format_prior_response_math);
452: }
1.146 albertel 453: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
454: $target eq 'tex' || $target eq 'analyze') {
1.179 foxr 455: &Apache::lonxml::increment_counter(&Apache::response::repetition(),
1.180 foxr 456: "$part.$id");
1.179 foxr 457: if ($target eq 'analyze') {
1.187 raeburn 458: $Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';
1.179 foxr 459: &Apache::lonhomework::set_bubble_lines();
460: }
1.128 albertel 461: }
462: pop(@Apache::lonxml::namespace);
1.157 www 463: pop(@Apache::response::custom_answer);
464: pop(@Apache::response::custom_answer_type);
1.128 albertel 465: &Apache::lonxml::deregister('Apache::response',('answer'));
466: &Apache::response::end_response();
467: return $result;
468: }
469:
1.163 albertel 470: sub format_prior_response_custom {
471: my ($mode,$answer) =@_;
472: return '<span class="LC_prior_custom">'.
473: &HTML::Entities::encode($answer,'"<>&').'</span>';
474: }
1.140 www 475:
1.139 www 476: sub start_mathresponse {
1.140 www 477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
478: my $id = &Apache::response::start_response($parstack,$safeeval);
479: push(@Apache::lonxml::namespace,'mathresponse');
1.139 www 480: my $result;
1.157 www 481: @Apache::response::custom_answer=();
482: @Apache::response::custom_answer_type=();
1.140 www 483: &Apache::lonxml::register('Apache::response',('answer'));
484: if ($target eq 'web') {
485: if ( &Apache::response::show_answer() ) {
486: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
487: $safeeval);
1.152 albertel 488: $Apache::inputtags::answertxt{$id}=[$answer];
1.140 www 489: }
1.191 www 490:
1.140 www 491: } elsif ($target eq 'edit') {
492: $result.=&Apache::edit::tag_start($target,$token);
493: $result.=&Apache::edit::text_arg('String to display for answer:',
494: 'answerdisplay',$token);
1.150 www 495: $result.=&Apache::edit::select_arg('Algebra System:',
496: 'cas',
497: ['maxima'],
498: $token);
499: $result.=&Apache::edit::text_arg('Argument Array:',
1.193 www 500: 'args',$token).
501: &Apache::loncommon::help_open_topic('Maxima_Argument_Array');
1.192 www 502: $result.=&Apache::edit::text_arg('Libraries:',
1.193 www 503: 'libraries',$token).
504: &Apache::loncommon::help_open_topic('Maxima_Libraries');
1.140 www 505: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
506: } elsif ($target eq 'modified') {
507: my $constructtag;
508: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.192 www 509: $safeeval,'answerdisplay','cas','args','libraries');
1.140 www 510: if ($constructtag) {
511: $result = &Apache::edit::rebuild_tag($token);
512: }
513: } elsif ($target eq 'answer' || $target eq 'grade') {
514: &Apache::response::reset_params();
515: } elsif ($target eq 'meta') {
516: $result .= &Apache::response::meta_package_write('mathresponse');
1.139 www 517: }
518: return $result;
519: }
520:
1.191 www 521: sub edit_mathresponse_button {
522: my ($id,$field)=@_;
523: my $button=&mt('Edit Answer');
1.201 riegler 524: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
1.197 riegler 525: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
1.191 www 526: return(<<ENDFORMULABUTTON);
527: <script language="JavaScript">
528: function edit_${id}_${field} (textarea) {
529: thenumber = textarea;
530: thedata = document.forms['lonhomework'].elements[textarea].value;
531: newwin = window.open("/adm/dragmath/applet/MaximaPopup.html","","width=565,height=400,resizable");
532: }
533: </script>
1.201 riegler 534: <a href="javascript:edit_${id}_${field}('${field}');void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$button' title='$button'/></a>
1.191 www 535: ENDFORMULABUTTON
536: }
537:
1.139 www 538: sub end_mathresponse {
1.140 www 539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
540: my $result;
541: my $part=$Apache::inputtags::part;
542: my $id=$Apache::inputtags::response[-1];
543: if ( $target eq 'grade' && &Apache::response::submitted() ) {
544: my $response = &Apache::response::getresponse();
1.150 www 545: if ( $response =~ /[^\s]/ ) {
1.140 www 546: if (!$Apache::lonxml::default_homework_loaded) {
547: &Apache::lonxml::default_homework_load($safeeval);
548: }
549: my %previous = &Apache::response::check_for_previous($response,
550: $part,$id);
551: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
552: $response;
553: my $error;
1.155 www 554: my $award;
555: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
556: if ($cas eq 'maxima') {
557: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
1.192 www 558: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,
559: &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
1.155 www 560: }
1.140 www 561: if (!&Apache::inputtags::valid_award($award)) {
1.151 albertel 562: $error = $award;
563: $award = 'ERROR';
1.140 www 564: }
565: &Apache::response::handle_previous(\%previous,$award);
566: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
567: $award;
568: if ($error) {
569: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
570: $error;
571: }
572: }
573: }
1.163 albertel 574: if ($target eq 'web') {
575: &setup_prior_tries_hash(\&format_prior_response_math);
1.203 riegler 576: my $partid = $Apache::inputtags::part;
577: my $id = $Apache::inputtags::response[-1];
578: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.205 raeburn 579: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
1.202 riegler 580: $result.=&edit_mathresponse_button($id,"HWVAL_$id");
581: }
1.163 albertel 582: }
583:
1.140 www 584: pop(@Apache::lonxml::namespace);
1.157 www 585: pop(@Apache::response::custom_answer);
586: pop(@Apache::response::custom_answer_type);
1.140 www 587: &Apache::lonxml::deregister('Apache::response',('answer'));
588: &Apache::response::end_response();
589: return $result;
1.139 www 590: }
591:
1.163 albertel 592: sub format_prior_response_math {
593: my ($mode,$answer) =@_;
594: return '<span class="LC_prior_math">'.
595: &HTML::Entities::encode($answer,'"<>&').'</span>';
596: }
597:
1.156 www 598: sub implicit_multiplication {
599: my ($expression)=@_;
600: # Escape scientific notation, so 3e8 does not become 3*e*8
601: # 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8
602: $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;
603: # 3x10^8 -> 3&8; 3*10^-8 -> 3&-8
604: $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
605: # Fill in multiplication signs
606: # a b -> a*b;3 b -> 3*b;3 4 -> 3*4
1.176 albertel 607: $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs;
1.156 www 608: # )( -> )*(; ) ( -> )*(
609: $expression=~s/\)\s*\(/\)\*\(/gs;
610: # 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A
611: $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;
612: # a ( -> a*(
1.174 riegler 613: $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs;
1.156 www 614: # )a -> )*a; )3 -> )*3; ) 3 -> )*3
1.174 riegler 615: $expression=~s/\)\s*([A-Za-z0-9])/\)\*$1/gs;
1.156 www 616: # 3&8 -> 3e8; 3&-4 -> 3e-4
617: $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
618: return $expression;
619: }
1.140 www 620:
1.128 albertel 621: sub start_answer {
622: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
623: my $result;
1.157 www 624: push(@Apache::response::custom_answer,
625: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser));
626: push(@Apache::response::custom_answer_type,
627: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)));
628: $Apache::response::custom_answer_type[-1] =~ s/\s+//g;
1.128 albertel 629: if ($target eq "edit" ) {
630: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm');
631: $result.=&Apache::edit::editfield($token->[1],
1.158 www 632: $Apache::response::custom_answer[-1],
1.128 albertel 633: '',80,4);
634: } elsif ( $target eq "modified" ) {
635: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
636: }
637: return $result;
638: }
639:
640: sub end_answer {
641: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
642: if ($target eq 'edit' ) {
643: return &Apache::edit::end_table();
644: }
645: }
646:
1.83 albertel 647: sub decide_package {
648: my ($tagstack)=@_;
649: my $package;
650: if ($$tagstack[-1] eq 'parameter') {
651: $package='part';
652: } else {
653: my $i=-1;
654: while (defined($$tagstack[$i])) {
655: if ($$tagstack[$i] =~ /(response|hint)$/) {
656: $package=$$tagstack[$i];
657: last;
658: }
659: $i--;
660: }
661: }
662: return $package;
663: }
664:
1.3 albertel 665: sub start_responseparam {
1.73 albertel 666: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
667: my $result='';
668: if ($target eq 'meta') {
669: $result = &meta_parameter_write($token->[2]->{'name'},
670: $token->[2]->{'type'},
671: $token->[2]->{'default'},
672: $token->[2]->{'description'});
673: } elsif ($target eq 'edit') {
674: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 675: my $optionlist;
676: my $package=&decide_package($tagstack);
677: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
678: if ($key =~ /^\Q$package\E&(.*)&display$/) {
679: $optionlist.='<option value="'.$1.'">'.
680: $Apache::lonnet::packagetab{$key}.'</option>';
681: }
682: }
683: if (defined($optionlist)) {
1.206 bisitz 684: $result.=&mt('Use template:').' <select name="'.
1.83 albertel 685: &Apache::edit::html_element_name('parameter_package').'">'.
686: '<option value=""></option>'.$optionlist.'</select><br />';
687: }
1.73 albertel 688: $result.=&Apache::edit::text_arg('Name:','name',$token).
689: &Apache::edit::text_arg('Type:','type',$token).
690: &Apache::edit::text_arg('Description:','description',$token).
691: &Apache::edit::text_arg('Default:','default',$token).
692: "</td></tr>";
693: $result.=&Apache::edit::end_table;
694: } elsif ($target eq 'modified') {
1.83 albertel 695: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
696: $safeeval,'name','type',
697: 'description','default');
698: my $element=&Apache::edit::html_element_name('parameter_package');
1.120 albertel 699: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') {
700: my $name=$env{"form.$element"};
1.83 albertel 701: my $tag=&decide_package($tagstack);
702: $token->[2]->{'name'}=$name;
703: $token->[2]->{'type'}=
704: $Apache::lonnet::packagetab{"$tag&$name&type"};
705: $token->[2]->{'description'}=
706: $Apache::lonnet::packagetab{"$tag&$name&display"};
707: $token->[2]->{'default'}=
708: $Apache::lonnet::packagetab{"$tag&$name&default"};
1.186 raeburn 709: $token->[3] = ['name','type','description','default'];
1.83 albertel 710: $constructtag=1;
711: }
1.73 albertel 712: if ($constructtag) {
713: $result = &Apache::edit::rebuild_tag($token);
714: }
715: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
716: $target eq 'tex' || $target eq 'analyze' ) {
1.120 albertel 717: if ($env{'request.state'} eq 'construct') {
1.73 albertel 718: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
719: my $default=&Apache::lonxml::get_param('default',$parstack,
720: $safeeval);
721: if ($name) {$Apache::inputtags::params{$name}=$default;}
722: }
1.52 albertel 723: }
1.73 albertel 724: return $result;
1.3 albertel 725: }
726:
727: sub end_responseparam {
1.73 albertel 728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
729: if ($target eq 'edit') { return ('','no'); }
730: return '';
1.55 albertel 731: }
732:
733: sub start_parameter {
1.114 albertel 734: return &start_responseparam(@_);
1.55 albertel 735: }
736:
737: sub end_parameter {
1.114 albertel 738: return &end_responseparam(@_);
1.42 albertel 739: }
740:
1.67 albertel 741: sub reset_params {
742: %Apache::inputtags::params=();
743: }
744:
1.42 albertel 745: sub setup_params {
1.94 albertel 746: my ($tag,$safeeval) = @_;
1.42 albertel 747:
1.120 albertel 748: if ($env{'request.state'} eq 'construct') { return; }
1.73 albertel 749: my %paramlist=();
750: foreach my $key (keys(%Apache::lonnet::packagetab)) {
1.161 albertel 751: if ($key =~ /^\Q$tag\E/) {
1.73 albertel 752: my ($package,$name) = split(/&/,$key);
753: $paramlist{$name}=1;
754: }
1.42 albertel 755: }
1.73 albertel 756: foreach my $key (keys(%paramlist)) {
757: my $entry= 'resource.'.$Apache::inputtags::part;
758: if (defined($Apache::inputtags::response[-1])) {
759: $entry.='_'.$Apache::inputtags::response[-1];
760: }
761: $entry.='.'.$key;
762: &Apache::lonxml::debug("looking for $entry");
763: my $value = &Apache::lonnet::EXT("$entry");
764: &Apache::lonxml::debug("$key has value :$value:");
765: if ($value eq 'con_lost' || $value =~ /^error:/) {
766: &Apache::lonxml::debug("using nothing");
767: $Apache::inputtags::params{$key}='';
768: } else {
1.94 albertel 769: my $string="{return qq\0".$value."\0}";
770: my $newvalue=&Apache::run::run($string,$safeeval,1);
771: if (defined($newvalue)) { $value=$newvalue; }
1.73 albertel 772: $Apache::inputtags::params{$key}=$value;
773: }
1.42 albertel 774: }
1.48 albertel 775: }
776:
1.132 albertel 777: {
778: my @answer_bits;
1.147 albertel 779: my $need_row_start;
1.132 albertel 780:
1.48 albertel 781: sub answer_header {
1.147 albertel 782: my ($type,$increment,$rows) = @_;
1.73 albertel 783: my $result;
1.120 albertel 784: if ($env{'form.answer_output_mode'} eq 'tex') {
1.132 albertel 785: undef(@answer_bits);
1.133 albertel 786: my $bit;
787: if ($Apache::lonhomework::type eq 'exam') {
788: $bit = ($Apache::lonxml::counter+$increment).') ';
789: } else {
790: $bit .= ' Answer for Part: \verb|'.
791: $Apache::inputtags::part.'| ';
792: }
793: push(@answer_bits,$bit);
1.73 albertel 794: } else {
1.147 albertel 795: my $td = '<td '.(defined($rows)?'rowspan="'.$rows.'"':'').'>';
1.132 albertel 796: $result = '<table border="1"><tr>';
797: if ($Apache::lonhomework::type eq 'exam') {
1.147 albertel 798: $result .= $td.($Apache::lonxml::counter+$increment). ')</td>';
1.132 albertel 799: } else {
1.147 albertel 800: $result .= $td.&mt('Answer for Part: [_1]',
801: $Apache::inputtags::part).'</td>';
1.132 albertel 802: }
803: $result .= "\n";
1.147 albertel 804: $need_row_start = 0;
805: }
806: return $result;
807: }
808:
809: sub next_answer {
810: my ($type) = @_;
811: my $result;
812: if ($env{'form.answer_output_mode'} eq 'tex') {
813: # FIXME ... need to do something with tex mode
814: } else {
815: $result .= "</tr>";
816: $need_row_start = 1;
1.73 albertel 817: }
818: return $result;
1.48 albertel 819: }
820:
821: sub answer_part {
1.148 albertel 822: my ($type,$answer,$args) = @_;
1.73 albertel 823: my $result;
1.120 albertel 824: if ($env{'form.answer_output_mode'} eq 'tex') {
1.148 albertel 825: if (!$args->{'no_verbatim'}) {
826: my $to_use='|';
827: foreach my $value (32..126) {
828: my $char=pack('c',$value);
829: if ($answer !~ /\Q$char\E/) {
830: $to_use=$char;
831: last;
832: }
833: }
1.189 www 834: my $fullanswer=$answer;
1.188 www 835: $answer='';
1.189 www 836: foreach my $element (split(/[\;]/,$fullanswer)) {
837: if ($element ne '') {
838: $answer.= '\verb'.$to_use.$element.$to_use.' \newline';
839: }
1.188 www 840: }
1.124 albertel 841: }
1.132 albertel 842: if ($answer ne '') {
1.148 albertel 843: push(@answer_bits,$answer);
1.132 albertel 844: }
1.73 albertel 845: } else {
1.147 albertel 846: if ($need_row_start) {
847: $result .= '<tr>';
848: $need_row_start = 0;
849: }
1.189 www 850: $result .= '<td>'.$answer.'</td>';
1.73 albertel 851: }
852: return $result;
1.48 albertel 853: }
854:
855: sub answer_footer {
1.73 albertel 856: my ($type) = @_;
857: my $result;
1.120 albertel 858: if ($env{'form.answer_output_mode'} eq 'tex') {
1.189 www 859: $result = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline ';
860: $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}';
861: for (my $i=1;$i<=$#answer_bits;$i++) {
862: $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}';
863: }
864: $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm ';
1.73 albertel 865: } else {
1.185 albertel 866: if (!$need_row_start) {
867: $result .= '</tr>';
868: }
869: $result .= '</table>';
1.73 albertel 870: }
871: return $result;
1.1 albertel 872: }
1.2 albertel 873:
1.132 albertel 874: }
875:
1.62 albertel 876: sub showallfoils {
1.120 albertel 877: if (defined($env{'form.showallfoils'})) {
1.149 albertel 878: my ($symb)=&Apache::lonnet::whichuser();
1.120 albertel 879: if (($env{'request.state'} eq 'construct') ||
880: ($env{'user.adv'} && $symb eq '') ||
1.118 foxr 881: ($Apache::lonhomework::viewgrades) ) {
1.102 albertel 882: return 1;
883: }
1.73 albertel 884: }
1.108 albertel 885: if ($Apache::lonhomework::type eq 'survey') { return 1; }
1.102 albertel 886: return 0;
1.70 albertel 887: }
888:
1.168 albertel 889: =pod
890:
891: =item &getresponse($offset,$resulttype);
892:
893: Retreives the current submitted response, helps out in the case of
894: scantron mode.
895:
896: Returns either the exact text of the submission, or a bubbled response
897: converted to something usable.
898:
899: Optional Arguments:
1.171 albertel 900: $offset - (defaults to 1) if a problem has more than one bubble
901: response, pass in the number of the bubble wanted, (the
902: first bubble associated with a problem has an offset of 1,
903: the second bubble is 2
904:
1.168 albertel 905: $resulttype - undef -> a number between 0 and 25
906: 'A is 1' -> a number between 1 and 26
907: 'letter' -> a letter between 'A' and 'Z'
1.172 foxr 908: $lines - undef problem only needs a single line of bubbles.
909: nonzero Problem wants the first nonempty response in
910: $lines lines of bubbles.
911: $bubbles_per_line - Must be provided if lines is defined.. number of
912: bubbles on a line.
1.173 albertel 913:
1.168 albertel 914: =cut
915:
1.70 albertel 916: sub getresponse {
1.172 foxr 917: my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
1.70 albertel 918: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
919: my $response;
1.168 albertel 920: if (!defined($offset)) {
1.170 albertel 921: $offset=1;
1.70 albertel 922: } else {
1.168 albertel 923: $formparm.=":$offset";
1.70 albertel 924: }
1.172 foxr 925: if (!defined($lines)) {
926: $lines = 1;
927: }
1.70 albertel 928: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
929: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
930: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
931: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
1.120 albertel 932: if ($env{'form.submitted'} eq 'scantron') {
1.71 albertel 933: my $part = $Apache::inputtags::part;
934: my $id = $Apache::inputtags::response[-1];
1.172 foxr 935:
936: my $line;
937: for ($line = 0; $line < $lines; $line++) {
1.184 foxr 938: my $theline = $Apache::lonxml::counter+$offset-1+$line;
939: $response = $env{"scantron.$theline.answer"};
940: if ((defined($response)) && ($response ne "") && ($response ne " ")) {
1.172 foxr 941: last;
942: }
943:
944: }
1.178 albertel 945:
946: # save bubbled letter for later
947: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
948: $response;
1.90 albertel 949: if ($resulttype ne 'letter') {
1.104 albertel 950: if ($resulttype eq 'A is 1') {
1.105 albertel 951: $response = $let_to_num{$response}+1;
952: } else {
1.104 albertel 953: $response = $let_to_num{$response};
954: }
1.172 foxr 955: if ($response ne "") {
956: $response += $line * $bubbles_per_line;
957: }
958: } else {
959: if ($response ne "") {
960: $response = chr(ord($response) + $line * $bubbles_per_line);
961: }
1.90 albertel 962: }
1.172 foxr 963:
1.70 albertel 964: } else {
1.120 albertel 965: $response = $env{$formparm};
1.70 albertel 966: }
1.172 foxr 967: #
968: # If we have a nonempty answer, correct the numeric value
969: # of the answer for the line on which it was found.
970: #
971:
1.70 albertel 972: return $response;
1.62 albertel 973: }
1.71 albertel 974:
1.168 albertel 975: =pod
976:
977: =item &repetition();
978:
979: Returns the number of lines that are required to encode the weight.
980: (Currently expects that there are 10 bubbles per line)
981:
982: =cut
983:
1.71 albertel 984: sub repetition {
985: my $id = $Apache::inputtags::part;
986: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.121 albertel 987: if (!defined($weight) || ($weight eq '')) { $weight=1; }
1.125 albertel 988: my $repetition = int($weight/10);
989: if ($weight % 10 != 0) { $repetition++; }
1.72 albertel 990: return $repetition;
991: }
992:
1.168 albertel 993: =pod
994:
995: =item &scored_response($part_id,$response_id);
996:
997: Sets the results hash elements
998:
999: resource.$part_id.$response_id.awarded - to the floating point
1000: number between 0 and 1 that was awarded on the bubbled input
1001:
1002: resource.$part_id.$response_id.awarddetail - to 'ASSIGNED_SCORE'
1003:
1004: Returns
1005:
1006: the number of bubble sheet lines that were used (and likely need to
1007: be passed to &Apache::lonxml::increment_counter()
1008:
1009: Arguments
1010:
1011: $part_id - id of the part to grade
1012: $response_id - id of the response to grade
1013:
1014:
1015: =cut
1016:
1.72 albertel 1017: sub scored_response {
1018: my ($part,$id)=@_;
1019: my $repetition=&repetition();
1020: my $score=0;
1021: for (my $i=0;$i<$repetition;$i++) {
1.125 albertel 1022: # A is 1, B is 2, etc. (get response return 0-9 and then we add 1)
1.72 albertel 1023: my $increase=&Apache::response::getresponse($i+1);
1024: if ($increase ne '') { $score+=$increase+1; }
1025: }
1026: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
1.91 albertel 1027: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
1.72 albertel 1028: my $pcr=$score/$weight;
1029: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
1030: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
1031: 'ASSIGNED_SCORE';
1.71 albertel 1032: return $repetition;
1.78 albertel 1033: }
1034:
1035: sub whichorder {
1036: my ($max,$randomize,$showall,$hash)=@_;
1037: #&Apache::lonxml::debug("man $max randomize $randomize");
1038: if (!defined(@{ $$hash{'names'} })) { return; }
1039: my @names = @{ $$hash{'names'} };
1040: my @whichopt =();
1041: my (%top,@toplist,%bottom,@bottomlist);
1042: if (!($showall || ($randomize eq 'no'))) {
1043: my $current=0;
1044: foreach my $name (@names) {
1045: $current++;
1046: if ($$hash{"$name.location"} eq 'top') {
1047: $top{$name}=$current;
1048: } elsif ($$hash{"$name.location"} eq 'bottom') {
1049: $bottom{$name}=$current;
1050: }
1051: }
1052: }
1053: my $topcount=0;
1054: my $bottomcount=0;
1055: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
1056: && ($#names > -1)) {
1057: #&Apache::lonxml::debug("Have $#whichopt max is $max");
1058: my $aopt;
1059: if ($showall || ($randomize eq 'no')) {
1060: $aopt=0;
1061: } else {
1062: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
1063: }
1064: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
1065: $aopt=splice(@names,$aopt,1);
1066: #&Apache::lonxml::debug("Picked $aopt");
1067: if ($top{$aopt}) {
1068: $toplist[$top{$aopt}]=$aopt;
1069: $topcount++;
1070: } elsif ($bottom{$aopt}) {
1071: $bottomlist[$bottom{$aopt}]=$aopt;
1072: $bottomcount++;
1073: } else {
1074: push (@whichopt,$aopt);
1075: }
1076: }
1077: for (my $i=0;$i<=$#toplist;$i++) {
1078: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
1079: }
1080: for (my $i=0;$i<=$#bottomlist;$i++) {
1081: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
1082: }
1083: return @whichopt;
1.71 albertel 1084: }
1085:
1.85 albertel 1086: sub show_answer {
1087: my $part = $Apache::inputtags::part;
1088: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
1089: my $status = $Apache::inputtags::status[-1];
1090: return ( ($award =~ /^correct/
1.181 albertel 1091: && &Apache::lonhomework::show_problem_status())
1.85 albertel 1092: || $status eq "SHOW_ANSWER");
1093: }
1.87 albertel 1094:
1095: sub analyze_store_foilgroup {
1096: my ($shown,$attrs)=@_;
1097: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1098: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
1099: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
1100: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
1101: foreach my $attr (@$attrs) {
1102: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
1103: $Apache::response::foilgroup{"$name.".$attr};
1104: }
1105: }
1106: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
1.96 albertel 1107: }
1108:
1109: sub check_if_computed {
1110: my ($token,$parstack,$safeeval,$name)=@_;
1111: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
1.106 matthew 1112: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
1.96 albertel 1113: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1114: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
1115: }
1.87 albertel 1116: }
1117:
1118: sub pick_foil_for_concept {
1119: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
1120: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
1121: my @names = @{ $Apache::response::conceptgroup{'names'} };
1122: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1123: my $name=$names[$pick];
1124: push @{ $Apache::response::foilgroup{'names'} }, $name;
1125: foreach my $attr (@$attrs) {
1126: $Apache::response::foilgroup{"$name.".$attr} =
1127: $Apache::response::conceptgroup{"$name.".$attr};
1128: }
1129: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
1130: $Apache::response::foilgroup{"$name.concept"} = $concept;
1131: &Apache::lonxml::debug("Selecting $name in $concept");
1132: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
1133: if ($target eq 'analyze') {
1134: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
1135: $concept);
1136: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
1137: $Apache::response::conceptgroup{'names'};
1138: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
1139: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
1140: $name);
1141: foreach my $attr (@$attrs) {
1142: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
1143: $Apache::response::conceptgroup{"$name.$attr"};
1144: }
1145: }
1146: }
1147: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
1148: $hinthash->{"$part_id.concept.$concept"}=
1149: $Apache::response::conceptgroup{'names'};
1150:
1151: }
1.164 foxr 1152: #------------------------------------------------------------
1153: #
1154: # Get a parameter associated with a problem.
1155: # Parameters:
1.166 albertel 1156: # $id - the id of the paramater, either a part id,
1157: # or a partid and responspe id joined by _
1.164 foxr 1158: # $name - Name of the parameter to fetch
1159: # $default - Default value for the paramter.
1160: #
1161: #
1162: #
1.95 albertel 1163: sub get_response_param {
1164: my ($id,$name,$default)=@_;
1165: my $parameter;
1.120 albertel 1166: if ($env{'request.state'} eq 'construct' &&
1.95 albertel 1167: defined($Apache::inputtags::params{$name})) {
1168: $parameter=$Apache::inputtags::params{$name};
1169: } else {
1170: $parameter=&Apache::lonnet::EXT("resource.$id.$name");
1171: }
1172: if (!defined($parameter) || $parameter eq '') {
1173: $parameter = $default;
1174: }
1175: return $parameter;
1176: }
1.87 albertel 1177:
1.113 albertel 1178: sub submitted {
1179: my ($who)=@_;
1180:
1181: # when scatron grading any submission is a submission
1.120 albertel 1182: if ($env{'form.submitted'} eq 'scantron') { return 1; }
1.113 albertel 1183: # if the caller only cared if this was a scantron submission
1184: if ($who eq 'scantron') { return 0; }
1185: # if the Submit Answer button for this particular part was pressed
1186: my $partid=$Apache::inputtags::part;
1.159 albertel 1187: if ($env{'form.submitted'} eq "part_$partid") {
1188: return 1;
1189: }
1190: if ($env{'form.submitted'} eq "yes"
1191: && defined($env{'form.submit_'.$partid})) {
1192: return 1;
1193: }
1.122 albertel 1194: # Submit All button on a .page was pressed
1195: if (defined($env{'form.all_submit'})) { return 1; }
1.204 bisitz 1196: # otherwise no submission occurred
1.113 albertel 1197: return 0;
1198: }
1.117 albertel 1199:
1.130 albertel 1200: sub add_to_gradingqueue {
1.149 albertel 1201: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.131 albertel 1202: if ( $courseid eq ''
1203: || $symb eq ''
1.135 albertel 1204: || $env{'request.state'} eq 'construct'
1205: || $Apache::lonhomework::type ne 'problem') {
1.131 albertel 1206: return;
1207: }
1.130 albertel 1208:
1209: my %queue_info = ( 'type' => 'problem',
1210: 'time' => time);
1211:
1212: if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) {
1213: $queue_info{'slot'}=
1214: $Apache::lonhomework::history{"resource.0.checkedin.slot"};
1215: }
1216:
1217: my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info);
1218: if ($result ne 'ok') {
1219: &Apache::lonxml::error("add_to_queue said $result");
1220: }
1221: }
1222:
1.117 albertel 1223: # basically undef and 0 (both false) mean that they still have work to do
1224: # and all true values mean that they can't do any more work
1225: #
1226: # a return of undef means it is unattempted
1227: # a return of 0 means it is attmpted and wrong but still has tries
1228: # a return of 1 means it is marked correct
1229: # a return of 2 means they have exceed maximum number of tries
1230: # a return of 3 means it after the answer date
1231: sub check_status {
1232: my ($id)=@_;
1.143 albertel 1233: if (!defined($id)) { $id=$Apache::inputtags::part; }
1.117 albertel 1234: my $curtime=&Apache::lonnet::EXT('system.time');
1235: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate");
1236: my $duedate=&Apache::lonnet::EXT("resource.$id.duedate");
1237: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate");
1238: if ( $opendate && $curtime > $opendate &&
1239: $duedate && $curtime > $duedate &&
1240: $answerdate && $curtime > $answerdate) {
1241: return 3;
1242: }
1243: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved");
1244: if ($status =~ /^correct/) { return 1; }
1245: if (!$status) { return undef; }
1246: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries");
1247: if ($maxtries eq '') { $maxtries=2; }
1248: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries");
1249: if ($curtries < $maxtries) { return 0; }
1250: return 2;
1251: }
1252:
1.177 albertel 1253: =pod
1254:
1255: =item setup_prior_tries_hash($func,$data)
1256:
1257: Foreach each past .submission $func is called with 3 arguments
1258: - the mode to set things up for (currently always 'grade')
1259: - the stored .submission string
1260: - The expansion of $data
1261:
1262: $data is an array ref containing elements that are either
1263: - scalars that are other elements of the history hash to pass to $func
1264: - ref to data to be passed untouched to $func
1265:
1266: =cut
1267:
1.162 albertel 1268: sub setup_prior_tries_hash {
1269: my ($func,$data) = @_;
1270: my $part = $Apache::inputtags::part;
1271: my $id = $Apache::inputtags::response[-1];
1272: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1273: my $sub_key = "$i:resource.$part.$id.submission";
1274: next if (!exists($Apache::lonhomework::history{$sub_key}));
1275: my @other_data;
1276: foreach my $datum (@{ $data }) {
1277: if (ref($datum)) {
1278: push(@other_data,$datum);
1279: } else {
1280: my $info_key = "$i:resource.$part.$id.$datum";
1281: push(@other_data,$Apache::lonhomework::history{$info_key});
1282: }
1283: }
1284:
1285: my $output =
1286: &$func('grade',
1287: $Apache::lonhomework::history{$sub_key},
1288: \@other_data);
1289: if (defined($output)) {
1290: $Apache::inputtags::submission_display{$sub_key} = $output;
1291: }
1292: }
1293: }
1294:
1.1 albertel 1295: 1;
1296: __END__
1.38 albertel 1297:
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