Annotation of loncom/homework/response.pm, revision 1.100
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.100 ! albertel 4: # $Id: response.pm,v 1.99 2004/05/27 04:25:13 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,$id);
48: @Apache::inputtags::inputlist=();
1.92 albertel 49: if ($Apache::inputtags::part eq '') {
1.97 albertel 50: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"'));
1.92 albertel 51: }
52: if ($Apache::inputtags::response_with_no_part &&
53: $Apache::inputtags::part ne '0') {
1.97 albertel 54: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />');
1.92 albertel 55: }
56: if ($Apache::inputtags::part eq '0') {
57: $Apache::inputtags::response_with_no_part=1;
58: }
1.73 albertel 59: return $id;
1.13 albertel 60: }
61:
62: sub end_response {
1.79 albertel 63: #pop @Apache::inputtags::response;
1.73 albertel 64: @Apache::inputtags::inputlist=();
65: return '';
1.13 albertel 66: }
67:
1.41 albertel 68: sub start_hintresponse {
1.73 albertel 69: my ($parstack,$safeeval)=@_;
70: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
71: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
72: push (@Apache::inputtags::response,$id);
1.79 albertel 73: push (@Apache::inputtags::responselist,$id);
1.73 albertel 74: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
75: return $id;
1.41 albertel 76: }
77:
78: sub end_hintresponse {
1.73 albertel 79: pop @Apache::inputtags::response;
80: if (defined($Apache::inputtags::paramstack[-1])) {
81: %Apache::inputtags::params=
82: @{ pop(@Apache::inputtags::paramstack) };
83: }
84: return '';
1.41 albertel 85: }
86:
1.99 albertel 87: my @randomseeds;
88: sub pushrandomnumber {
89: my $rand_alg=&Apache::lonnet::get_rand_alg();
90: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
91: $rand_alg eq '64bit2') {
92: # do nothing
93: } else {
94: my @seed=&Math::Random::random_get_seed();
95: push (@randomseeds,\@seed);
96: }
97: &Apache::response::setrandomnumber();
98: }
99: sub poprandomnumber {
100: my $rand_alg=&Apache::lonnet::get_rand_alg();
101: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
102: $rand_alg eq '64bit2') {
103: return;
104: }
105: my $seed=pop(@randomseeds);
106: if ($seed) {
107: &Math::Random::random_set_seed(@$seed);
108: } else {
109: &Apache::lonxml::error("Unable to restore random algorithm.");
110: }
111: }
1.26 albertel 112: sub setrandomnumber {
1.73 albertel 113: my $rndseed;
1.88 albertel 114: $rndseed=&Apache::structuretags::setup_rndseed();
115: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 116: &Apache::lonxml::debug("randseed $rndseed");
117: # $rndseed=unpack("%32i",$rndseed);
1.99 albertel 118: my $rand_alg=&Apache::lonnet::get_rand_alg();
119: my $rndmod;
120: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
121: $rand_alg eq '64bit2') {
122: $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
123: if (defined($Apache::inputtags::response[-1])) {
124: $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
1.82 albertel 125: }
1.74 albertel 126: } else {
1.99 albertel 127: $rndmod=(&Apache::lonnet::numval2($Apache::inputtags::part) << 10);
128: if (defined($Apache::inputtags::response[-1])) {
129: $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]);
130: }
131: }
132: if ($rndseed =~/([,:])/) {
133: my $char=$1;
134: use integer;
135: my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
136: $num1+=$rndmod;
137: $num2+=$rndmod;
138: $rndseed=$num1.$char.$num2;
139: } else {
1.74 albertel 140: $rndseed+=$rndmod;
141: }
142: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 143: &Apache::lonxml::debug("randseed $rndseed");
144: return '';
1.26 albertel 145: }
146:
1.7 www 147: sub meta_parameter_write {
1.38 albertel 148: my ($name,$type,$default,$display)=@_;
1.41 albertel 149: my $partref=$Apache::inputtags::part;
150: my $result='<parameter part="'.$Apache::inputtags::part.'"';
151: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 152: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
153: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 154: }
155: $result.= ' name="'.$name.'"'.
156: ' type="'.$type.'"'.
1.89 albertel 157: (defined($default)?' default="'.$default.'"':'').
158: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 159: .'></parameter>'
160: ."\n";
161: return $result;
1.33 www 162: }
163:
164: sub meta_package_write {
165: my $name=shift;
1.41 albertel 166: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
167: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 168: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 169: }
170: $result.=' package="'.$name.'"></parameter>'."\n";
171: return $result;
1.7 www 172: }
173:
174: sub meta_stores_write {
1.10 www 175: my ($name,$type,$display)=@_;
1.41 albertel 176: my $partref=$Apache::inputtags::part;
177: my $result = '<stores part="'.$Apache::inputtags::part.'"';
178: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 179: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
180: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 181: }
182: $result.= ' name="'.$name.'"'.
183: ' type="'.$type.'"'.
184: ' display="'.$display.' [Part: '.$partref.']"'.
185: "></stores>\n";
1.7 www 186: }
187:
188: sub mandatory_part_meta {
189: #
190: # Autogenerate metadata for mandatory
191: # input (from RAT or lonparmset) and
192: # output (to lonspreadsheet)
193: # of each part
194: #
1.73 albertel 195: return
1.34 www 196: # &meta_parameter_write('opendate','date_start','',
197: # 'Opening Date').
198: # &meta_parameter_write('duedate','date_end','',
199: # 'Due Date').
200: # &meta_parameter_write('answerdate','date_start','',
201: # 'Show Answer Date').
202: # &meta_parameter_write('weight','int_zeropos','',
203: # 'Available Points').
204: # &meta_parameter_write('maxtries','int_pos','',
205: # 'Maximum Number of Tries').
1.73 albertel 206: &meta_package_write('part').
207: &meta_stores_write('solved','string',
208: 'Problem Status').
209: &meta_stores_write('tries','int_zeropos',
210: 'Number of Attempts').
211: &meta_stores_write('awarded','float',
212: 'Partial Credit Factor');
1.7 www 213: #
214: # Note: responseid-specific data 'submission' and 'awarddetail'
215: # not available to spreadsheet -> skip here
216: #
1.86 albertel 217: }
218:
219: sub meta_part_order {
220: if (@Apache::inputtags::partlist) {
221: my @parts=@Apache::inputtags::partlist;
222: shift(@parts);
1.100 ! albertel 223: return '<partorder>'.join(',',@parts).'</partorder>'."\n";
1.86 albertel 224: } else {
1.100 ! albertel 225: return '<partorder>0</partorder>'."\n";
! 226: }
! 227: }
! 228:
! 229: sub meta_response_order {
! 230: if (@Apache::inputtags::responselist) {
! 231: return '<responseorder>'.join(',',@Apache::inputtags::responselist).
! 232: '</responseorder>'."\n";
1.86 albertel 233: }
1.14 albertel 234: }
235:
1.15 albertel 236: sub check_for_previous {
1.73 albertel 237: my ($curresponse,$partid,$id) = @_;
238: my %previous;
239: $previous{'used'} = 0;
240: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
1.98 albertel 241: if ($key =~ /resource\.$partid\.$id\.submission$/) {
1.73 albertel 242: &Apache::lonxml::debug("Trying $key");
243: my $pastresponse=$Apache::lonhomework::history{$key};
244: if ($pastresponse eq $curresponse) {
245: $previous{'used'} = 1;
246: my $history;
247: if ( $key =~ /^(\d+):/ ) {
248: $history=$1;
249: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
250: $previous{'last'}='0';
251: push(@{ $previous{'version'} },$history);
252: } else {
253: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
254: $previous{'last'}='1';
255: }
256: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
257: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
258: }
1.32 albertel 259: }
1.73 albertel 260: }
261: &Apache::lonhomework::showhash(%previous);
262: return %previous;
1.54 albertel 263: }
264:
265: sub handle_previous {
1.73 albertel 266: my ($previous,$ad)=@_;
267: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
268: if ($$previous{'last'}) {
269: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
270: } else {
271: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
272: }
273: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.54 albertel 274: }
1.44 albertel 275: }
276:
1.45 albertel 277: sub view_or_modify {
1.73 albertel 278: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
279: my $myself=0;
280: if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
281: $myself=1;
282: }
283: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
284: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
285: if ($mgr) { return "M"; }
286: if ($vgr) { return "V"; }
287: if ($myself) { return "V"; }
288: return '';
1.45 albertel 289: }
290:
1.44 albertel 291: sub start_dataresponse {
1.73 albertel 292: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
293: my $id = &Apache::response::start_response($parstack,$safeeval);
294: my $result;
295: if ($target eq 'web') {
296: $result = $token->[2]->{'display'}.':';
297: } elsif ($target eq 'meta') {
298: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
299: $token->[2]->{'type'},
300: $token->[2]->{'display'});
301: $result .= &Apache::response::meta_package_write('dataresponse');
302: }
303: return $result;
1.44 albertel 304: }
305:
306: sub end_dataresponse {
1.73 albertel 307: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
308: my $result;
309: if ( $target eq 'web' ) {
310: } elsif ($target eq 'grade' ) {
311: if ( defined $ENV{'form.submitted'}) {
312: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
313: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
314: if ($allowed) {
1.94 albertel 315: &Apache::response::setup_params('dataresponse',$safeeval);
1.73 albertel 316: my $partid = $Apache::inputtags::part;
317: my $id = $Apache::inputtags::response['-1'];
318: my $response = $ENV{'form.HWVAL_'.$id};
319: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
320: if ( $response =~ /[^\s]/) {
321: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
322: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
323: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
324: }
325: } else {
326: $result='Not Permitted to change values.'
327: }
1.45 albertel 328: }
1.73 albertel 329: }
330: &Apache::response::end_response;
331: return $result;
1.3 albertel 332: }
333:
1.83 albertel 334: sub decide_package {
335: my ($tagstack)=@_;
336: my $package;
337: if ($$tagstack[-1] eq 'parameter') {
338: $package='part';
339: } else {
340: my $i=-1;
341: while (defined($$tagstack[$i])) {
342: if ($$tagstack[$i] =~ /(response|hint)$/) {
343: $package=$$tagstack[$i];
344: last;
345: }
346: $i--;
347: }
348: }
349: return $package;
350: }
351:
1.3 albertel 352: sub start_responseparam {
1.73 albertel 353: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
354: my $result='';
355: if ($target eq 'meta') {
356: $result = &meta_parameter_write($token->[2]->{'name'},
357: $token->[2]->{'type'},
358: $token->[2]->{'default'},
359: $token->[2]->{'description'});
360: } elsif ($target eq 'edit') {
361: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 362: my $optionlist;
363: my $package=&decide_package($tagstack);
364: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
365: if ($key =~ /^\Q$package\E&(.*)&display$/) {
366: $optionlist.='<option value="'.$1.'">'.
367: $Apache::lonnet::packagetab{$key}.'</option>';
368: }
369: }
370: if (defined($optionlist)) {
371: $result.='Use template: <select name="'.
372: &Apache::edit::html_element_name('parameter_package').'">'.
373: '<option value=""></option>'.$optionlist.'</select><br />';
374: }
1.73 albertel 375: $result.=&Apache::edit::text_arg('Name:','name',$token).
376: &Apache::edit::text_arg('Type:','type',$token).
377: &Apache::edit::text_arg('Description:','description',$token).
378: &Apache::edit::text_arg('Default:','default',$token).
379: "</td></tr>";
380: $result.=&Apache::edit::end_table;
381: } elsif ($target eq 'modified') {
1.83 albertel 382: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
383: $safeeval,'name','type',
384: 'description','default');
385: my $element=&Apache::edit::html_element_name('parameter_package');
386: if (defined($ENV{"form.$element"}) && $ENV{"form.$element"} ne '') {
387: my $name=$ENV{"form.$element"};
388: my $tag=&decide_package($tagstack);
389: $token->[2]->{'name'}=$name;
390: $token->[2]->{'type'}=
391: $Apache::lonnet::packagetab{"$tag&$name&type"};
392: $token->[2]->{'description'}=
393: $Apache::lonnet::packagetab{"$tag&$name&display"};
394: $token->[2]->{'default'}=
395: $Apache::lonnet::packagetab{"$tag&$name&default"};
396: $constructtag=1;
397: }
1.73 albertel 398: if ($constructtag) {
399: $result = &Apache::edit::rebuild_tag($token);
400: $result.=&Apache::edit::handle_insert();
401: }
402: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
403: $target eq 'tex' || $target eq 'analyze' ) {
404: if ($ENV{'request.state'} eq 'construct') {
405: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
406: my $default=&Apache::lonxml::get_param('default',$parstack,
407: $safeeval);
408: if ($name) {$Apache::inputtags::params{$name}=$default;}
409: }
1.52 albertel 410: }
1.73 albertel 411: return $result;
1.3 albertel 412: }
413:
414: sub end_responseparam {
1.73 albertel 415: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
416: if ($target eq 'edit') { return ('','no'); }
417: return '';
1.55 albertel 418: }
419:
420: sub start_parameter {
1.73 albertel 421: my $result = &start_responseparam(@_);
422: return $result;
1.55 albertel 423: }
424:
425: sub end_parameter {
1.73 albertel 426: my $result = &end_responseparam(@_);
427: return $result;
1.42 albertel 428: }
429:
1.67 albertel 430: sub reset_params {
431: %Apache::inputtags::params=();
432: }
433:
1.42 albertel 434: sub setup_params {
1.94 albertel 435: my ($tag,$safeeval) = @_;
1.42 albertel 436:
1.73 albertel 437: if ($ENV{'request.state'} eq 'construct') { return; }
438: my %paramlist=();
439: foreach my $key (keys(%Apache::lonnet::packagetab)) {
440: if ($key =~ /^$tag/) {
441: my ($package,$name) = split(/&/,$key);
442: $paramlist{$name}=1;
443: }
1.42 albertel 444: }
1.73 albertel 445: foreach my $key (keys(%paramlist)) {
446: my $entry= 'resource.'.$Apache::inputtags::part;
447: if (defined($Apache::inputtags::response[-1])) {
448: $entry.='_'.$Apache::inputtags::response[-1];
449: }
450: $entry.='.'.$key;
451: &Apache::lonxml::debug("looking for $entry");
452: my $value = &Apache::lonnet::EXT("$entry");
453: &Apache::lonxml::debug("$key has value :$value:");
454: if ($value eq 'con_lost' || $value =~ /^error:/) {
455: &Apache::lonxml::debug("using nothing");
456: $Apache::inputtags::params{$key}='';
457: } else {
1.94 albertel 458: my $string="{return qq\0".$value."\0}";
459: my $newvalue=&Apache::run::run($string,$safeeval,1);
460: if (defined($newvalue)) { $value=$newvalue; }
1.73 albertel 461: $Apache::inputtags::params{$key}=$value;
462: }
1.42 albertel 463: }
1.48 albertel 464: }
465:
466: sub answer_header {
1.73 albertel 467: my ($type) = @_;
468: my $result;
1.77 albertel 469: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.84 sakharuk 470: $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
471: $Apache::inputtags::part.'| \\\\ \hline ';
1.73 albertel 472: } else {
1.80 albertel 473: $result = '<table border="1"><tr><td>Answer for Part:'.
474: $Apache::inputtags::part. '</td>'."\n";
1.73 albertel 475: }
476: return $result;
1.48 albertel 477: }
478:
479: sub answer_part {
1.73 albertel 480: my ($type,$answer) = @_;
481: my $result;
1.77 albertel 482: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.81 sakharuk 483: $result = ' \verb|'.$answer.'|\\\\ \hline ';
1.73 albertel 484: } else {
1.80 albertel 485: $result = '<td>'.$answer.'</td>';
1.73 albertel 486: }
487: return $result;
1.48 albertel 488: }
489:
490: sub answer_footer {
1.73 albertel 491: my ($type) = @_;
492: my $result;
1.77 albertel 493: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.75 sakharuk 494: $result = ' \end{tabular} \vskip 0 mm ';
1.73 albertel 495: } else {
1.80 albertel 496: $result = '</tr></table>';
1.73 albertel 497: }
498: return $result;
1.1 albertel 499: }
1.2 albertel 500:
1.62 albertel 501: sub showallfoils {
1.73 albertel 502: my $return=0;
503: if (defined($ENV{'form.showallfoils'}) &&
504: $ENV{'request.state'} eq 'construct') {
505: $return=1;
506: }
507: return $return;
1.70 albertel 508: }
509:
510: sub getresponse {
1.90 albertel 511: my ($temp,$resulttype)=@_;
1.70 albertel 512: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
513: my $response;
514: if (!defined($temp)) {
515: $temp=1;
516: } else {
517: $formparm.=":$temp";
518: }
519: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
520: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
521: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
522: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
523: if ($ENV{'form.submitted'} eq 'scantron') {
1.71 albertel 524: my $part = $Apache::inputtags::part;
525: my $id = $Apache::inputtags::response[-1];
1.70 albertel 526: $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
527: '.answer'};
1.71 albertel 528: # save bubbled letter for later
529: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
530: $response;
1.90 albertel 531: if ($resulttype ne 'letter') {
532: $response = $let_to_num{$response};
533: }
1.70 albertel 534: } else {
535: $response = $ENV{$formparm};
536: }
537: return $response;
1.62 albertel 538: }
1.71 albertel 539:
540: sub repetition {
541: my $id = $Apache::inputtags::part;
542: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
543: my $repetition = int $weight/9;
544: if ($weight % 9 != 0) {$repetition++;}
1.72 albertel 545: return $repetition;
546: }
547:
548: sub scored_response {
549: my ($part,$id)=@_;
550: my $repetition=&repetition();
551: my $score=0;
552: for (my $i=0;$i<$repetition;$i++) {
553: my $increase=&Apache::response::getresponse($i+1);
554: if ($increase ne '') { $score+=$increase+1; }
555: }
556: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
1.91 albertel 557: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
1.72 albertel 558: my $pcr=$score/$weight;
559: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
560: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
561: 'ASSIGNED_SCORE';
1.71 albertel 562: return $repetition;
1.78 albertel 563: }
564:
565: sub whichorder {
566: my ($max,$randomize,$showall,$hash)=@_;
567: #&Apache::lonxml::debug("man $max randomize $randomize");
568: if (!defined(@{ $$hash{'names'} })) { return; }
569: my @names = @{ $$hash{'names'} };
570: my @whichopt =();
571: my (%top,@toplist,%bottom,@bottomlist);
572: if (!($showall || ($randomize eq 'no'))) {
573: my $current=0;
574: foreach my $name (@names) {
575: $current++;
576: if ($$hash{"$name.location"} eq 'top') {
577: $top{$name}=$current;
578: } elsif ($$hash{"$name.location"} eq 'bottom') {
579: $bottom{$name}=$current;
580: }
581: }
582: }
583: my $topcount=0;
584: my $bottomcount=0;
585: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
586: && ($#names > -1)) {
587: #&Apache::lonxml::debug("Have $#whichopt max is $max");
588: my $aopt;
589: if ($showall || ($randomize eq 'no')) {
590: $aopt=0;
591: } else {
592: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
593: }
594: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
595: $aopt=splice(@names,$aopt,1);
596: #&Apache::lonxml::debug("Picked $aopt");
597: if ($top{$aopt}) {
598: $toplist[$top{$aopt}]=$aopt;
599: $topcount++;
600: } elsif ($bottom{$aopt}) {
601: $bottomlist[$bottom{$aopt}]=$aopt;
602: $bottomcount++;
603: } else {
604: push (@whichopt,$aopt);
605: }
606: }
607: for (my $i=0;$i<=$#toplist;$i++) {
608: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
609: }
610: for (my $i=0;$i<=$#bottomlist;$i++) {
611: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
612: }
613: return @whichopt;
1.71 albertel 614: }
615:
1.85 albertel 616: sub show_answer {
617: my $part = $Apache::inputtags::part;
618: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
619: my $status = $Apache::inputtags::status[-1];
620: return ( ($award =~ /^correct/
621: && lc($Apache::lonhomework::problemstatus) ne 'no')
622: || $status eq "SHOW_ANSWER");
623: }
1.87 albertel 624:
625: sub analyze_store_foilgroup {
626: my ($shown,$attrs)=@_;
627: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
628: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
629: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
630: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
631: foreach my $attr (@$attrs) {
632: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
633: $Apache::response::foilgroup{"$name.".$attr};
634: }
635: }
636: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
1.96 albertel 637: }
638:
639: sub check_if_computed {
640: my ($token,$parstack,$safeeval,$name)=@_;
641: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
642: if ($value ne $token->[2]{$name}) {
643: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
644: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
645: }
1.87 albertel 646: }
647:
648: sub pick_foil_for_concept {
649: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
650: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
651: my @names = @{ $Apache::response::conceptgroup{'names'} };
652: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
653: my $name=$names[$pick];
654: push @{ $Apache::response::foilgroup{'names'} }, $name;
655: foreach my $attr (@$attrs) {
656: $Apache::response::foilgroup{"$name.".$attr} =
657: $Apache::response::conceptgroup{"$name.".$attr};
658: }
659: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
660: $Apache::response::foilgroup{"$name.concept"} = $concept;
661: &Apache::lonxml::debug("Selecting $name in $concept");
662: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
663: if ($target eq 'analyze') {
664: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
665: $concept);
666: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
667: $Apache::response::conceptgroup{'names'};
668: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
669: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
670: $name);
671: foreach my $attr (@$attrs) {
672: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
673: $Apache::response::conceptgroup{"$name.$attr"};
674: }
675: }
676: }
677: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
678: $hinthash->{"$part_id.concept.$concept"}=
679: $Apache::response::conceptgroup{'names'};
680:
681: }
682:
1.95 albertel 683: sub get_response_param {
684: my ($id,$name,$default)=@_;
685: my $parameter;
686: if ($ENV{'request.state'} eq 'construct' &&
687: defined($Apache::inputtags::params{$name})) {
688: $parameter=$Apache::inputtags::params{$name};
689: } else {
690: $parameter=&Apache::lonnet::EXT("resource.$id.$name");
691: }
692: if (!defined($parameter) || $parameter eq '') {
693: $parameter = $default;
694: }
695: return $parameter;
696: }
1.87 albertel 697:
1.1 albertel 698: 1;
699: __END__
1.38 albertel 700:
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