Annotation of loncom/homework/response.pm, revision 1.110
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.110 ! albertel 4: # $Id: response.pm,v 1.109 2004/11/08 19:20:13 albertel 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;
1.1 albertel 32:
1.57 harris41 33: BEGIN {
1.73 albertel 34: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse'));
1.1 albertel 35: }
36:
1.13 albertel 37: sub start_response {
1.73 albertel 38: my ($parstack,$safeeval)=@_;
39: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
40: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
41: if ($#Apache::inputtags::import > -1) {
42: &Apache::lonxml::debug("Turning :$id: into");
43: $id = join('_',@Apache::inputtags::import).'_'.$id;
44: &Apache::lonxml::debug("New :$id:");
45: }
46: push (@Apache::inputtags::response,$id);
47: push (@Apache::inputtags::responselist,$id);
48: @Apache::inputtags::inputlist=();
1.101 albertel 49: if ($Apache::inputtags::part eq '' &&
50: !$Apache::lonhomework::ignore_response_errors) {
1.97 albertel 51: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"'));
1.92 albertel 52: }
53: if ($Apache::inputtags::response_with_no_part &&
54: $Apache::inputtags::part ne '0') {
1.97 albertel 55: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />');
1.92 albertel 56: }
57: if ($Apache::inputtags::part eq '0') {
58: $Apache::inputtags::response_with_no_part=1;
59: }
1.73 albertel 60: return $id;
1.13 albertel 61: }
62:
63: sub end_response {
1.79 albertel 64: #pop @Apache::inputtags::response;
1.73 albertel 65: @Apache::inputtags::inputlist=();
66: return '';
1.13 albertel 67: }
68:
1.41 albertel 69: sub start_hintresponse {
1.73 albertel 70: my ($parstack,$safeeval)=@_;
71: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
72: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
73: push (@Apache::inputtags::response,$id);
1.79 albertel 74: push (@Apache::inputtags::responselist,$id);
1.73 albertel 75: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
76: return $id;
1.41 albertel 77: }
78:
79: sub end_hintresponse {
1.73 albertel 80: pop @Apache::inputtags::response;
81: if (defined($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();
96: push (@randomseeds,\@seed);
97: }
98: &Apache::response::setrandomnumber();
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: }
1.26 albertel 113: sub setrandomnumber {
1.73 albertel 114: my $rndseed;
1.88 albertel 115: $rndseed=&Apache::structuretags::setup_rndseed();
116: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 117: &Apache::lonxml::debug("randseed $rndseed");
118: # $rndseed=unpack("%32i",$rndseed);
1.99 albertel 119: my $rand_alg=&Apache::lonnet::get_rand_alg();
120: my $rndmod;
121: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
122: $rand_alg eq '64bit2') {
123: $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
124: if (defined($Apache::inputtags::response[-1])) {
125: $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
1.82 albertel 126: }
1.110 ! albertel 127: } elsif ($rand_alg eq '64bit3') {
1.99 albertel 128: $rndmod=(&Apache::lonnet::numval2($Apache::inputtags::part) << 10);
129: if (defined($Apache::inputtags::response[-1])) {
130: $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]);
131: }
1.110 ! albertel 132: } else {
! 133: $rndmod=(&Apache::lonnet::numval3($Apache::inputtags::part) << 10);
! 134: if (defined($Apache::inputtags::response[-1])) {
! 135: $rndmod+=&Apache::lonnet::numval3($Apache::inputtags::response[-1]);
! 136: }
1.99 albertel 137: }
138: if ($rndseed =~/([,:])/) {
139: my $char=$1;
140: use integer;
141: my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
142: $num1+=$rndmod;
143: $num2+=$rndmod;
1.109 albertel 144: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.99 albertel 145: $rndseed=$num1.$char.$num2;
146: } else {
1.74 albertel 147: $rndseed+=$rndmod;
1.109 albertel 148: if($Apache::lonnet::_64bit) {
149: use integer;
150: $rndseed=(($rndseed<<32)>>32);
151: }
1.74 albertel 152: }
1.109 albertel 153: &Apache::lonxml::debug("randseed $rndseed");
1.74 albertel 154: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 155: return '';
1.26 albertel 156: }
157:
1.7 www 158: sub meta_parameter_write {
1.38 albertel 159: my ($name,$type,$default,$display)=@_;
1.41 albertel 160: my $partref=$Apache::inputtags::part;
161: my $result='<parameter part="'.$Apache::inputtags::part.'"';
162: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 163: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
164: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 165: }
166: $result.= ' name="'.$name.'"'.
167: ' type="'.$type.'"'.
1.89 albertel 168: (defined($default)?' default="'.$default.'"':'').
169: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 170: .'></parameter>'
171: ."\n";
172: return $result;
1.33 www 173: }
174:
175: sub meta_package_write {
176: my $name=shift;
1.41 albertel 177: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
178: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 179: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 180: }
181: $result.=' package="'.$name.'"></parameter>'."\n";
182: return $result;
1.7 www 183: }
184:
185: sub meta_stores_write {
1.10 www 186: my ($name,$type,$display)=@_;
1.41 albertel 187: my $partref=$Apache::inputtags::part;
188: my $result = '<stores part="'.$Apache::inputtags::part.'"';
189: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 190: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
191: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 192: }
193: $result.= ' name="'.$name.'"'.
194: ' type="'.$type.'"'.
195: ' display="'.$display.' [Part: '.$partref.']"'.
196: "></stores>\n";
1.7 www 197: }
198:
199: sub mandatory_part_meta {
200: #
201: # Autogenerate metadata for mandatory
202: # input (from RAT or lonparmset) and
203: # output (to lonspreadsheet)
204: # of each part
205: #
1.73 albertel 206: return
1.34 www 207: # &meta_parameter_write('opendate','date_start','',
208: # 'Opening Date').
209: # &meta_parameter_write('duedate','date_end','',
210: # 'Due Date').
211: # &meta_parameter_write('answerdate','date_start','',
212: # 'Show Answer Date').
213: # &meta_parameter_write('weight','int_zeropos','',
214: # 'Available Points').
215: # &meta_parameter_write('maxtries','int_pos','',
216: # 'Maximum Number of Tries').
1.73 albertel 217: &meta_package_write('part').
218: &meta_stores_write('solved','string',
219: 'Problem Status').
220: &meta_stores_write('tries','int_zeropos',
221: 'Number of Attempts').
222: &meta_stores_write('awarded','float',
223: 'Partial Credit Factor');
1.7 www 224: #
225: # Note: responseid-specific data 'submission' and 'awarddetail'
226: # not available to spreadsheet -> skip here
227: #
1.86 albertel 228: }
229:
230: sub meta_part_order {
231: if (@Apache::inputtags::partlist) {
232: my @parts=@Apache::inputtags::partlist;
233: shift(@parts);
1.100 albertel 234: return '<partorder>'.join(',',@parts).'</partorder>'."\n";
1.86 albertel 235: } else {
1.100 albertel 236: return '<partorder>0</partorder>'."\n";
237: }
238: }
239:
240: sub meta_response_order {
241: if (@Apache::inputtags::responselist) {
242: return '<responseorder>'.join(',',@Apache::inputtags::responselist).
243: '</responseorder>'."\n";
1.86 albertel 244: }
1.14 albertel 245: }
246:
1.15 albertel 247: sub check_for_previous {
1.73 albertel 248: my ($curresponse,$partid,$id) = @_;
249: my %previous;
250: $previous{'used'} = 0;
251: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
1.98 albertel 252: if ($key =~ /resource\.$partid\.$id\.submission$/) {
1.73 albertel 253: &Apache::lonxml::debug("Trying $key");
254: my $pastresponse=$Apache::lonhomework::history{$key};
255: if ($pastresponse eq $curresponse) {
256: $previous{'used'} = 1;
257: my $history;
258: if ( $key =~ /^(\d+):/ ) {
259: $history=$1;
260: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
261: $previous{'last'}='0';
262: push(@{ $previous{'version'} },$history);
263: } else {
264: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
265: $previous{'last'}='1';
266: }
267: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
268: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
269: }
1.32 albertel 270: }
1.73 albertel 271: }
272: &Apache::lonhomework::showhash(%previous);
273: return %previous;
1.54 albertel 274: }
275:
276: sub handle_previous {
1.73 albertel 277: my ($previous,$ad)=@_;
278: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
279: if ($$previous{'last'}) {
280: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
1.107 albertel 281: push(@Apache::inputtags::previous_version,$$previous{'version'});
282: } elsif ($Apache::lonhomework::type ne 'survey') {
1.73 albertel 283: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
1.107 albertel 284: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.73 albertel 285: }
1.54 albertel 286: }
1.44 albertel 287: }
288:
1.45 albertel 289: sub view_or_modify {
1.73 albertel 290: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
291: my $myself=0;
292: if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
293: $myself=1;
294: }
295: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
296: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
297: if ($mgr) { return "M"; }
298: if ($vgr) { return "V"; }
299: if ($myself) { return "V"; }
300: return '';
1.45 albertel 301: }
302:
1.44 albertel 303: sub start_dataresponse {
1.73 albertel 304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
305: my $id = &Apache::response::start_response($parstack,$safeeval);
306: my $result;
307: if ($target eq 'web') {
308: $result = $token->[2]->{'display'}.':';
309: } elsif ($target eq 'meta') {
310: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
311: $token->[2]->{'type'},
312: $token->[2]->{'display'});
313: $result .= &Apache::response::meta_package_write('dataresponse');
314: }
315: return $result;
1.44 albertel 316: }
317:
318: sub end_dataresponse {
1.73 albertel 319: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
320: my $result;
321: if ( $target eq 'web' ) {
322: } elsif ($target eq 'grade' ) {
323: if ( defined $ENV{'form.submitted'}) {
324: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
325: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
326: if ($allowed) {
1.94 albertel 327: &Apache::response::setup_params('dataresponse',$safeeval);
1.73 albertel 328: my $partid = $Apache::inputtags::part;
329: my $id = $Apache::inputtags::response['-1'];
330: my $response = $ENV{'form.HWVAL_'.$id};
331: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
332: if ( $response =~ /[^\s]/) {
333: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
334: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
335: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
336: }
337: } else {
338: $result='Not Permitted to change values.'
339: }
1.45 albertel 340: }
1.73 albertel 341: }
342: &Apache::response::end_response;
343: return $result;
1.3 albertel 344: }
345:
1.83 albertel 346: sub decide_package {
347: my ($tagstack)=@_;
348: my $package;
349: if ($$tagstack[-1] eq 'parameter') {
350: $package='part';
351: } else {
352: my $i=-1;
353: while (defined($$tagstack[$i])) {
354: if ($$tagstack[$i] =~ /(response|hint)$/) {
355: $package=$$tagstack[$i];
356: last;
357: }
358: $i--;
359: }
360: }
361: return $package;
362: }
363:
1.3 albertel 364: sub start_responseparam {
1.73 albertel 365: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
366: my $result='';
367: if ($target eq 'meta') {
368: $result = &meta_parameter_write($token->[2]->{'name'},
369: $token->[2]->{'type'},
370: $token->[2]->{'default'},
371: $token->[2]->{'description'});
372: } elsif ($target eq 'edit') {
373: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 374: my $optionlist;
375: my $package=&decide_package($tagstack);
376: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
377: if ($key =~ /^\Q$package\E&(.*)&display$/) {
378: $optionlist.='<option value="'.$1.'">'.
379: $Apache::lonnet::packagetab{$key}.'</option>';
380: }
381: }
382: if (defined($optionlist)) {
383: $result.='Use template: <select name="'.
384: &Apache::edit::html_element_name('parameter_package').'">'.
385: '<option value=""></option>'.$optionlist.'</select><br />';
386: }
1.73 albertel 387: $result.=&Apache::edit::text_arg('Name:','name',$token).
388: &Apache::edit::text_arg('Type:','type',$token).
389: &Apache::edit::text_arg('Description:','description',$token).
390: &Apache::edit::text_arg('Default:','default',$token).
391: "</td></tr>";
392: $result.=&Apache::edit::end_table;
393: } elsif ($target eq 'modified') {
1.83 albertel 394: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
395: $safeeval,'name','type',
396: 'description','default');
397: my $element=&Apache::edit::html_element_name('parameter_package');
398: if (defined($ENV{"form.$element"}) && $ENV{"form.$element"} ne '') {
399: my $name=$ENV{"form.$element"};
400: my $tag=&decide_package($tagstack);
401: $token->[2]->{'name'}=$name;
402: $token->[2]->{'type'}=
403: $Apache::lonnet::packagetab{"$tag&$name&type"};
404: $token->[2]->{'description'}=
405: $Apache::lonnet::packagetab{"$tag&$name&display"};
406: $token->[2]->{'default'}=
407: $Apache::lonnet::packagetab{"$tag&$name&default"};
408: $constructtag=1;
409: }
1.73 albertel 410: if ($constructtag) {
411: $result = &Apache::edit::rebuild_tag($token);
412: $result.=&Apache::edit::handle_insert();
413: }
414: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
415: $target eq 'tex' || $target eq 'analyze' ) {
416: if ($ENV{'request.state'} eq 'construct') {
417: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
418: my $default=&Apache::lonxml::get_param('default',$parstack,
419: $safeeval);
420: if ($name) {$Apache::inputtags::params{$name}=$default;}
421: }
1.52 albertel 422: }
1.73 albertel 423: return $result;
1.3 albertel 424: }
425:
426: sub end_responseparam {
1.73 albertel 427: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
428: if ($target eq 'edit') { return ('','no'); }
429: return '';
1.55 albertel 430: }
431:
432: sub start_parameter {
1.73 albertel 433: my $result = &start_responseparam(@_);
434: return $result;
1.55 albertel 435: }
436:
437: sub end_parameter {
1.73 albertel 438: my $result = &end_responseparam(@_);
439: return $result;
1.42 albertel 440: }
441:
1.67 albertel 442: sub reset_params {
443: %Apache::inputtags::params=();
444: }
445:
1.42 albertel 446: sub setup_params {
1.94 albertel 447: my ($tag,$safeeval) = @_;
1.42 albertel 448:
1.73 albertel 449: if ($ENV{'request.state'} eq 'construct') { return; }
450: my %paramlist=();
451: foreach my $key (keys(%Apache::lonnet::packagetab)) {
452: if ($key =~ /^$tag/) {
453: my ($package,$name) = split(/&/,$key);
454: $paramlist{$name}=1;
455: }
1.42 albertel 456: }
1.73 albertel 457: foreach my $key (keys(%paramlist)) {
458: my $entry= 'resource.'.$Apache::inputtags::part;
459: if (defined($Apache::inputtags::response[-1])) {
460: $entry.='_'.$Apache::inputtags::response[-1];
461: }
462: $entry.='.'.$key;
463: &Apache::lonxml::debug("looking for $entry");
464: my $value = &Apache::lonnet::EXT("$entry");
465: &Apache::lonxml::debug("$key has value :$value:");
466: if ($value eq 'con_lost' || $value =~ /^error:/) {
467: &Apache::lonxml::debug("using nothing");
468: $Apache::inputtags::params{$key}='';
469: } else {
1.94 albertel 470: my $string="{return qq\0".$value."\0}";
471: my $newvalue=&Apache::run::run($string,$safeeval,1);
472: if (defined($newvalue)) { $value=$newvalue; }
1.73 albertel 473: $Apache::inputtags::params{$key}=$value;
474: }
1.42 albertel 475: }
1.48 albertel 476: }
477:
478: sub answer_header {
1.73 albertel 479: my ($type) = @_;
480: my $result;
1.77 albertel 481: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.84 sakharuk 482: $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
483: $Apache::inputtags::part.'| \\\\ \hline ';
1.73 albertel 484: } else {
1.80 albertel 485: $result = '<table border="1"><tr><td>Answer for Part:'.
486: $Apache::inputtags::part. '</td>'."\n";
1.73 albertel 487: }
488: return $result;
1.48 albertel 489: }
490:
491: sub answer_part {
1.73 albertel 492: my ($type,$answer) = @_;
493: my $result;
1.77 albertel 494: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.81 sakharuk 495: $result = ' \verb|'.$answer.'|\\\\ \hline ';
1.73 albertel 496: } else {
1.80 albertel 497: $result = '<td>'.$answer.'</td>';
1.73 albertel 498: }
499: return $result;
1.48 albertel 500: }
501:
502: sub answer_footer {
1.73 albertel 503: my ($type) = @_;
504: my $result;
1.77 albertel 505: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.75 sakharuk 506: $result = ' \end{tabular} \vskip 0 mm ';
1.73 albertel 507: } else {
1.80 albertel 508: $result = '</tr></table>';
1.73 albertel 509: }
510: return $result;
1.1 albertel 511: }
1.2 albertel 512:
1.62 albertel 513: sub showallfoils {
1.102 albertel 514: if (defined($ENV{'form.showallfoils'})) {
515: my ($symb)=&Apache::lonxml::whichuser();
516: if ($ENV{'request.state'} eq 'construct' ||
517: ($ENV{'user.adv'} && $symb eq '')) {
518: return 1;
519: }
1.73 albertel 520: }
1.108 albertel 521: if ($Apache::lonhomework::type eq 'survey') { return 1; }
1.102 albertel 522: return 0;
1.70 albertel 523: }
524:
525: sub getresponse {
1.90 albertel 526: my ($temp,$resulttype)=@_;
1.70 albertel 527: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
528: my $response;
529: if (!defined($temp)) {
530: $temp=1;
531: } else {
532: $formparm.=":$temp";
533: }
534: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
535: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
536: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
537: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
538: if ($ENV{'form.submitted'} eq 'scantron') {
1.71 albertel 539: my $part = $Apache::inputtags::part;
540: my $id = $Apache::inputtags::response[-1];
1.70 albertel 541: $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
542: '.answer'};
1.71 albertel 543: # save bubbled letter for later
544: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
545: $response;
1.90 albertel 546: if ($resulttype ne 'letter') {
1.104 albertel 547: if ($resulttype eq 'A is 1') {
1.105 albertel 548: $response = $let_to_num{$response}+1;
549: } else {
1.104 albertel 550: $response = $let_to_num{$response};
551: }
1.90 albertel 552: }
1.70 albertel 553: } else {
554: $response = $ENV{$formparm};
555: }
556: return $response;
1.62 albertel 557: }
1.71 albertel 558:
559: sub repetition {
560: my $id = $Apache::inputtags::part;
561: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
562: my $repetition = int $weight/9;
563: if ($weight % 9 != 0) {$repetition++;}
1.72 albertel 564: return $repetition;
565: }
566:
567: sub scored_response {
568: my ($part,$id)=@_;
569: my $repetition=&repetition();
570: my $score=0;
571: for (my $i=0;$i<$repetition;$i++) {
572: my $increase=&Apache::response::getresponse($i+1);
573: if ($increase ne '') { $score+=$increase+1; }
574: }
575: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
1.91 albertel 576: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
1.72 albertel 577: my $pcr=$score/$weight;
578: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
579: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
580: 'ASSIGNED_SCORE';
1.71 albertel 581: return $repetition;
1.78 albertel 582: }
583:
584: sub whichorder {
585: my ($max,$randomize,$showall,$hash)=@_;
586: #&Apache::lonxml::debug("man $max randomize $randomize");
587: if (!defined(@{ $$hash{'names'} })) { return; }
588: my @names = @{ $$hash{'names'} };
589: my @whichopt =();
590: my (%top,@toplist,%bottom,@bottomlist);
591: if (!($showall || ($randomize eq 'no'))) {
592: my $current=0;
593: foreach my $name (@names) {
594: $current++;
595: if ($$hash{"$name.location"} eq 'top') {
596: $top{$name}=$current;
597: } elsif ($$hash{"$name.location"} eq 'bottom') {
598: $bottom{$name}=$current;
599: }
600: }
601: }
602: my $topcount=0;
603: my $bottomcount=0;
604: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
605: && ($#names > -1)) {
606: #&Apache::lonxml::debug("Have $#whichopt max is $max");
607: my $aopt;
608: if ($showall || ($randomize eq 'no')) {
609: $aopt=0;
610: } else {
611: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
612: }
613: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
614: $aopt=splice(@names,$aopt,1);
615: #&Apache::lonxml::debug("Picked $aopt");
616: if ($top{$aopt}) {
617: $toplist[$top{$aopt}]=$aopt;
618: $topcount++;
619: } elsif ($bottom{$aopt}) {
620: $bottomlist[$bottom{$aopt}]=$aopt;
621: $bottomcount++;
622: } else {
623: push (@whichopt,$aopt);
624: }
625: }
626: for (my $i=0;$i<=$#toplist;$i++) {
627: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
628: }
629: for (my $i=0;$i<=$#bottomlist;$i++) {
630: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
631: }
632: return @whichopt;
1.71 albertel 633: }
634:
1.85 albertel 635: sub show_answer {
636: my $part = $Apache::inputtags::part;
637: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
638: my $status = $Apache::inputtags::status[-1];
639: return ( ($award =~ /^correct/
640: && lc($Apache::lonhomework::problemstatus) ne 'no')
641: || $status eq "SHOW_ANSWER");
642: }
1.87 albertel 643:
644: sub analyze_store_foilgroup {
645: my ($shown,$attrs)=@_;
646: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
647: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
648: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
649: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
650: foreach my $attr (@$attrs) {
651: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
652: $Apache::response::foilgroup{"$name.".$attr};
653: }
654: }
655: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
1.96 albertel 656: }
657:
658: sub check_if_computed {
659: my ($token,$parstack,$safeeval,$name)=@_;
660: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
1.106 matthew 661: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
1.96 albertel 662: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
663: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
664: }
1.87 albertel 665: }
666:
667: sub pick_foil_for_concept {
668: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
669: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
670: my @names = @{ $Apache::response::conceptgroup{'names'} };
671: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
672: my $name=$names[$pick];
673: push @{ $Apache::response::foilgroup{'names'} }, $name;
674: foreach my $attr (@$attrs) {
675: $Apache::response::foilgroup{"$name.".$attr} =
676: $Apache::response::conceptgroup{"$name.".$attr};
677: }
678: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
679: $Apache::response::foilgroup{"$name.concept"} = $concept;
680: &Apache::lonxml::debug("Selecting $name in $concept");
681: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
682: if ($target eq 'analyze') {
683: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
684: $concept);
685: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
686: $Apache::response::conceptgroup{'names'};
687: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
688: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
689: $name);
690: foreach my $attr (@$attrs) {
691: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
692: $Apache::response::conceptgroup{"$name.$attr"};
693: }
694: }
695: }
696: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
697: $hinthash->{"$part_id.concept.$concept"}=
698: $Apache::response::conceptgroup{'names'};
699:
700: }
701:
1.95 albertel 702: sub get_response_param {
703: my ($id,$name,$default)=@_;
704: my $parameter;
705: if ($ENV{'request.state'} eq 'construct' &&
706: defined($Apache::inputtags::params{$name})) {
707: $parameter=$Apache::inputtags::params{$name};
708: } else {
709: $parameter=&Apache::lonnet::EXT("resource.$id.$name");
710: }
711: if (!defined($parameter) || $parameter eq '') {
712: $parameter = $default;
713: }
714: return $parameter;
715: }
1.87 albertel 716:
1.1 albertel 717: 1;
718: __END__
1.38 albertel 719:
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