Annotation of loncom/homework/response.pm, revision 1.129
1.38 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # various response type definitons response definition
1.53 albertel 3: #
1.129 ! albertel 4: # $Id: response.pm,v 1.128 2005/11/10 22:19:27 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;
1.120 albertel 32: use Apache::lonnet;
1.1 albertel 33:
1.57 harris41 34: BEGIN {
1.129 ! albertel 35: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse'));
1.1 albertel 36: }
37:
1.13 albertel 38: sub start_response {
1.73 albertel 39: my ($parstack,$safeeval)=@_;
40: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
41: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
42: if ($#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)=@_;
72: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
73: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1.123 albertel 74: push (@Apache::inputtags::hint,$id);
75: push (@Apache::inputtags::hintlist,$id);
1.73 albertel 76: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
77: return $id;
1.41 albertel 78: }
79:
80: sub end_hintresponse {
1.123 albertel 81: pop @Apache::inputtags::hint;
1.73 albertel 82: if (defined($Apache::inputtags::paramstack[-1])) {
83: %Apache::inputtags::params=
84: @{ pop(@Apache::inputtags::paramstack) };
85: }
86: return '';
1.41 albertel 87: }
88:
1.99 albertel 89: my @randomseeds;
90: sub pushrandomnumber {
91: my $rand_alg=&Apache::lonnet::get_rand_alg();
92: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
93: $rand_alg eq '64bit2') {
94: # do nothing
95: } else {
96: my @seed=&Math::Random::random_get_seed();
1.127 albertel 97: push(@randomseeds,\@seed);
1.99 albertel 98: }
1.127 albertel 99: &Apache::response::setrandomnumber(@_);
1.99 albertel 100: }
101: sub poprandomnumber {
102: my $rand_alg=&Apache::lonnet::get_rand_alg();
103: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
104: $rand_alg eq '64bit2') {
105: return;
106: }
107: my $seed=pop(@randomseeds);
108: if ($seed) {
109: &Math::Random::random_set_seed(@$seed);
110: } else {
111: &Apache::lonxml::error("Unable to restore random algorithm.");
112: }
113: }
1.117 albertel 114:
1.26 albertel 115: sub setrandomnumber {
1.127 albertel 116: my ($ignore_id2) = @_;
1.73 albertel 117: my $rndseed;
1.88 albertel 118: $rndseed=&Apache::structuretags::setup_rndseed();
119: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); }
1.73 albertel 120: &Apache::lonxml::debug("randseed $rndseed");
121: # $rndseed=unpack("%32i",$rndseed);
1.99 albertel 122: my $rand_alg=&Apache::lonnet::get_rand_alg();
1.126 albertel 123: my ($rndmod,$rndmod2);
1.119 albertel 124:
125: my ($id1,$id2,$shift_amt);
126: if ($Apache::lonhomework::parsing_a_problem) {
127: $id1=$Apache::inputtags::part;
128: if (defined($Apache::inputtags::response[-1])) {
129: $id2=$Apache::inputtags::response[-1];
130: }
131: $shift_amt=scalar(@Apache::inputtags::responselist);
132: } elsif ($Apache::lonhomework::parsing_a_task) {
133: $id1=$Apache::bridgetask::dimension;
1.127 albertel 134: if (!$ignore_id2 && defined($Apache::bridgetask::instance[-1])) {
1.119 albertel 135: $id2=$Apache::bridgetask::instance[-1];
136: }
137: $shift_amt=scalar(@Apache::bridgetask::instance);
138: }
139: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt");
1.99 albertel 140: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
141: $rand_alg eq '64bit2') {
1.119 albertel 142: $rndmod=(&Apache::lonnet::numval($id1) << 10);
143: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); }
1.110 albertel 144: } elsif ($rand_alg eq '64bit3') {
1.119 albertel 145: $rndmod=(&Apache::lonnet::numval2($id1) << 10);
146: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); }
1.126 albertel 147: } elsif ($rand_alg eq '64bit4') {
1.119 albertel 148: my $shift=(4*$shift_amt)%30;
149: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30));
150: if (defined($id2)) {
151: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift );
1.110 albertel 152: }
1.126 albertel 153: } else {
154: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2");
1.99 albertel 155: }
1.127 albertel 156:
1.99 albertel 157: if ($rndseed =~/([,:])/) {
158: my $char=$1;
159: use integer;
160: my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
161: $num1+=$rndmod;
1.126 albertel 162: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod);
1.109 albertel 163: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.99 albertel 164: $rndseed=$num1.$char.$num2;
165: } else {
1.74 albertel 166: $rndseed+=$rndmod;
1.109 albertel 167: if($Apache::lonnet::_64bit) {
168: use integer;
169: $rndseed=(($rndseed<<32)>>32);
170: }
1.74 albertel 171: }
1.111 albertel 172: &Apache::lonxml::debug("randseed $rndmod $rndseed");
1.74 albertel 173: &Apache::lonnet::setup_random_from_rndseed($rndseed);
1.73 albertel 174: return '';
1.26 albertel 175: }
176:
1.7 www 177: sub meta_parameter_write {
1.38 albertel 178: my ($name,$type,$default,$display)=@_;
1.41 albertel 179: my $partref=$Apache::inputtags::part;
180: my $result='<parameter part="'.$Apache::inputtags::part.'"';
181: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 182: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
183: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 184: }
185: $result.= ' name="'.$name.'"'.
186: ' type="'.$type.'"'.
1.89 albertel 187: (defined($default)?' default="'.$default.'"':'').
188: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'')
1.41 albertel 189: .'></parameter>'
190: ."\n";
191: return $result;
1.33 www 192: }
193:
194: sub meta_package_write {
195: my $name=shift;
1.41 albertel 196: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
197: if(defined($Apache::inputtags::response[-1])) {
1.73 albertel 198: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
1.41 albertel 199: }
200: $result.=' package="'.$name.'"></parameter>'."\n";
201: return $result;
1.7 www 202: }
203:
204: sub meta_stores_write {
1.10 www 205: my ($name,$type,$display)=@_;
1.41 albertel 206: my $partref=$Apache::inputtags::part;
207: my $result = '<stores part="'.$Apache::inputtags::part.'"';
208: if (defined($Apache::inputtags::response[-1])) {
1.73 albertel 209: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
210: $partref.='_'.$Apache::inputtags::response[-1];
1.41 albertel 211: }
212: $result.= ' name="'.$name.'"'.
213: ' type="'.$type.'"'.
214: ' display="'.$display.' [Part: '.$partref.']"'.
215: "></stores>\n";
1.7 www 216: }
217:
218: sub mandatory_part_meta {
219: #
220: # Autogenerate metadata for mandatory
221: # input (from RAT or lonparmset) and
222: # output (to lonspreadsheet)
223: # of each part
224: #
1.73 albertel 225: return
1.34 www 226: # &meta_parameter_write('opendate','date_start','',
227: # 'Opening Date').
228: # &meta_parameter_write('duedate','date_end','',
229: # 'Due Date').
230: # &meta_parameter_write('answerdate','date_start','',
231: # 'Show Answer Date').
232: # &meta_parameter_write('weight','int_zeropos','',
233: # 'Available Points').
234: # &meta_parameter_write('maxtries','int_pos','',
235: # 'Maximum Number of Tries').
1.73 albertel 236: &meta_package_write('part').
237: &meta_stores_write('solved','string',
238: 'Problem Status').
239: &meta_stores_write('tries','int_zeropos',
240: 'Number of Attempts').
241: &meta_stores_write('awarded','float',
242: 'Partial Credit Factor');
1.7 www 243: #
244: # Note: responseid-specific data 'submission' and 'awarddetail'
245: # not available to spreadsheet -> skip here
246: #
1.86 albertel 247: }
248:
249: sub meta_part_order {
250: if (@Apache::inputtags::partlist) {
251: my @parts=@Apache::inputtags::partlist;
252: shift(@parts);
1.100 albertel 253: return '<partorder>'.join(',',@parts).'</partorder>'."\n";
1.86 albertel 254: } else {
1.100 albertel 255: return '<partorder>0</partorder>'."\n";
256: }
257: }
258:
259: sub meta_response_order {
260: if (@Apache::inputtags::responselist) {
261: return '<responseorder>'.join(',',@Apache::inputtags::responselist).
262: '</responseorder>'."\n";
1.86 albertel 263: }
1.14 albertel 264: }
265:
1.15 albertel 266: sub check_for_previous {
1.73 albertel 267: my ($curresponse,$partid,$id) = @_;
268: my %previous;
269: $previous{'used'} = 0;
270: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
1.98 albertel 271: if ($key =~ /resource\.$partid\.$id\.submission$/) {
1.73 albertel 272: &Apache::lonxml::debug("Trying $key");
273: my $pastresponse=$Apache::lonhomework::history{$key};
274: if ($pastresponse eq $curresponse) {
275: $previous{'used'} = 1;
276: my $history;
277: if ( $key =~ /^(\d+):/ ) {
278: $history=$1;
279: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
280: $previous{'last'}='0';
281: push(@{ $previous{'version'} },$history);
282: } else {
283: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
284: $previous{'last'}='1';
285: }
286: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
287: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
288: }
1.32 albertel 289: }
1.73 albertel 290: }
291: &Apache::lonhomework::showhash(%previous);
292: return %previous;
1.54 albertel 293: }
294:
295: sub handle_previous {
1.73 albertel 296: my ($previous,$ad)=@_;
297: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
298: if ($$previous{'last'}) {
299: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
1.107 albertel 300: push(@Apache::inputtags::previous_version,$$previous{'version'});
301: } elsif ($Apache::lonhomework::type ne 'survey') {
1.73 albertel 302: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
1.107 albertel 303: push(@Apache::inputtags::previous_version,$$previous{'version'});
1.73 albertel 304: }
1.54 albertel 305: }
1.44 albertel 306: }
307:
1.45 albertel 308: sub view_or_modify {
1.73 albertel 309: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
310: my $myself=0;
1.120 albertel 311: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) {
1.73 albertel 312: $myself=1;
313: }
314: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
315: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
316: if ($mgr) { return "M"; }
317: if ($vgr) { return "V"; }
318: if ($myself) { return "V"; }
319: return '';
1.45 albertel 320: }
321:
1.44 albertel 322: sub start_dataresponse {
1.73 albertel 323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
324: my $id = &Apache::response::start_response($parstack,$safeeval);
325: my $result;
326: if ($target eq 'web') {
327: $result = $token->[2]->{'display'}.':';
328: } elsif ($target eq 'meta') {
329: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
330: $token->[2]->{'type'},
331: $token->[2]->{'display'});
332: $result .= &Apache::response::meta_package_write('dataresponse');
333: }
334: return $result;
1.44 albertel 335: }
336:
337: sub end_dataresponse {
1.73 albertel 338: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
339: my $result;
340: if ( $target eq 'web' ) {
341: } elsif ($target eq 'grade' ) {
1.120 albertel 342: if ( defined $env{'form.submitted'}) {
1.73 albertel 343: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
344: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
345: if ($allowed) {
1.94 albertel 346: &Apache::response::setup_params('dataresponse',$safeeval);
1.73 albertel 347: my $partid = $Apache::inputtags::part;
348: my $id = $Apache::inputtags::response['-1'];
1.120 albertel 349: my $response = $env{'form.HWVAL_'.$id};
1.73 albertel 350: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
351: if ( $response =~ /[^\s]/) {
352: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
353: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
354: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
355: }
356: } else {
357: $result='Not Permitted to change values.'
358: }
1.45 albertel 359: }
1.73 albertel 360: }
361: &Apache::response::end_response;
362: return $result;
1.3 albertel 363: }
364:
1.129 ! albertel 365: sub start_customresponse {
1.128 albertel 366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
367: my $id = &Apache::response::start_response($parstack,$safeeval);
1.129 ! albertel 368: push(@Apache::lonxml::namespace,'customresponse');
1.128 albertel 369: my $result;
1.129 ! albertel 370: undef($Apache::response::custom_answer);
1.128 albertel 371: &Apache::lonxml::register('Apache::response',('answer'));
372: if ($target eq 'web') {
373: if ( &Apache::response::show_answer() ) {
374: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack,
375: $safeeval);
376: $Apache::inputtags::answertxt{$id}=$answer;
377: }
378: } elsif ($target eq 'edit') {
379: $result.=&Apache::edit::tag_start($target,$token);
380: $result.=&Apache::edit::text_arg('String to display for answer:',
381: 'answerdisplay',$token);
382: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
383: } elsif ($target eq 'modified') {
384: my $constructtag;
385: $constructtag=&Apache::edit::get_new_args($token,$parstack,
386: $safeeval,'answerdisplay');
387: if ($constructtag) {
388: $result = &Apache::edit::rebuild_tag($token);
389: $result.=&Apache::edit::handle_insert();
390: }
391: } elsif ($target eq 'answer' || $target eq 'grade') {
392: &Apache::response::reset_params();
393: } elsif ($target eq 'meta') {
1.129 ! albertel 394: $result .= &Apache::response::meta_package_write('customresponse');
1.128 albertel 395: }
396: return $result;
397: }
398:
1.129 ! albertel 399: sub end_customresponse {
1.128 albertel 400: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
401: my $result;
402: my $part=$Apache::inputtags::part;
403: my $id=$Apache::inputtags::response[-1];
404: if ( $target eq 'grade' && &Apache::response::submitted() ) {
405: my $response = &Apache::response::getresponse();
406: if ( $response =~ /[^\s]/ &&
1.129 ! albertel 407: $Apache::response::custom_answer_type eq 'loncapa/perl') {
1.128 albertel 408: if (!$Apache::lonxml::default_homework_loaded) {
409: &Apache::lonxml::default_homework_load($safeeval);
410: }
411: my %previous = &Apache::response::check_for_previous($response,
412: $part,$id);
413: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
414: $response;
415: my $error;
1.129 ! albertel 416: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
1.128 albertel 417: $response;
418:
1.129 ! albertel 419: my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval);
1.128 albertel 420: if (!&Apache::inputtags::valid_award($award)) {
421: $error = $award;
422: $award = 'ERROR';
423: }
424: &Apache::response::handle_previous(\%previous,$award);
425: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
426: $award;
427: if ($error) {
428: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
429: $error;
430: }
431: }
432: }
433: pop(@Apache::lonxml::namespace);
434: &Apache::lonxml::deregister('Apache::response',('answer'));
435: &Apache::response::end_response();
436: return $result;
437: }
438:
439: sub start_answer {
440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
441: my $result;
1.129 ! albertel 442: $Apache::response::custom_answer=
1.128 albertel 443: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser);
1.129 ! albertel 444: $Apache::response::custom_answer_type=
1.128 albertel 445: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval));
1.129 ! albertel 446: $Apache::response::custom_answer_type =~ s/\s+//g;
1.128 albertel 447: if ($target eq "edit" ) {
448: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm');
449: $result.=&Apache::edit::editfield($token->[1],
1.129 ! albertel 450: $Apache::response::custom_answer,
1.128 albertel 451: '',80,4);
452: } elsif ( $target eq "modified" ) {
453: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
454: }
455: return $result;
456: }
457:
458: sub end_answer {
459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
460: if ($target eq 'edit' ) {
461: return &Apache::edit::end_table();
462: }
463: }
464:
1.83 albertel 465: sub decide_package {
466: my ($tagstack)=@_;
467: my $package;
468: if ($$tagstack[-1] eq 'parameter') {
469: $package='part';
470: } else {
471: my $i=-1;
472: while (defined($$tagstack[$i])) {
473: if ($$tagstack[$i] =~ /(response|hint)$/) {
474: $package=$$tagstack[$i];
475: last;
476: }
477: $i--;
478: }
479: }
480: return $package;
481: }
482:
1.3 albertel 483: sub start_responseparam {
1.73 albertel 484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
485: my $result='';
486: if ($target eq 'meta') {
487: $result = &meta_parameter_write($token->[2]->{'name'},
488: $token->[2]->{'type'},
489: $token->[2]->{'default'},
490: $token->[2]->{'description'});
491: } elsif ($target eq 'edit') {
492: $result.=&Apache::edit::tag_start($target,$token);
1.83 albertel 493: my $optionlist;
494: my $package=&decide_package($tagstack);
495: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) {
496: if ($key =~ /^\Q$package\E&(.*)&display$/) {
497: $optionlist.='<option value="'.$1.'">'.
498: $Apache::lonnet::packagetab{$key}.'</option>';
499: }
500: }
501: if (defined($optionlist)) {
502: $result.='Use template: <select name="'.
503: &Apache::edit::html_element_name('parameter_package').'">'.
504: '<option value=""></option>'.$optionlist.'</select><br />';
505: }
1.73 albertel 506: $result.=&Apache::edit::text_arg('Name:','name',$token).
507: &Apache::edit::text_arg('Type:','type',$token).
508: &Apache::edit::text_arg('Description:','description',$token).
509: &Apache::edit::text_arg('Default:','default',$token).
510: "</td></tr>";
511: $result.=&Apache::edit::end_table;
512: } elsif ($target eq 'modified') {
1.83 albertel 513: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
514: $safeeval,'name','type',
515: 'description','default');
516: my $element=&Apache::edit::html_element_name('parameter_package');
1.120 albertel 517: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') {
518: my $name=$env{"form.$element"};
1.83 albertel 519: my $tag=&decide_package($tagstack);
520: $token->[2]->{'name'}=$name;
521: $token->[2]->{'type'}=
522: $Apache::lonnet::packagetab{"$tag&$name&type"};
523: $token->[2]->{'description'}=
524: $Apache::lonnet::packagetab{"$tag&$name&display"};
525: $token->[2]->{'default'}=
526: $Apache::lonnet::packagetab{"$tag&$name&default"};
527: $constructtag=1;
528: }
1.73 albertel 529: if ($constructtag) {
530: $result = &Apache::edit::rebuild_tag($token);
531: $result.=&Apache::edit::handle_insert();
532: }
533: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
534: $target eq 'tex' || $target eq 'analyze' ) {
1.120 albertel 535: if ($env{'request.state'} eq 'construct') {
1.73 albertel 536: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
537: my $default=&Apache::lonxml::get_param('default',$parstack,
538: $safeeval);
539: if ($name) {$Apache::inputtags::params{$name}=$default;}
540: }
1.52 albertel 541: }
1.73 albertel 542: return $result;
1.3 albertel 543: }
544:
545: sub end_responseparam {
1.73 albertel 546: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
547: if ($target eq 'edit') { return ('','no'); }
548: return '';
1.55 albertel 549: }
550:
551: sub start_parameter {
1.114 albertel 552: return &start_responseparam(@_);
1.55 albertel 553: }
554:
555: sub end_parameter {
1.114 albertel 556: return &end_responseparam(@_);
1.42 albertel 557: }
558:
1.67 albertel 559: sub reset_params {
560: %Apache::inputtags::params=();
561: }
562:
1.42 albertel 563: sub setup_params {
1.94 albertel 564: my ($tag,$safeeval) = @_;
1.42 albertel 565:
1.120 albertel 566: if ($env{'request.state'} eq 'construct') { return; }
1.73 albertel 567: my %paramlist=();
568: foreach my $key (keys(%Apache::lonnet::packagetab)) {
569: if ($key =~ /^$tag/) {
570: my ($package,$name) = split(/&/,$key);
571: $paramlist{$name}=1;
572: }
1.42 albertel 573: }
1.73 albertel 574: foreach my $key (keys(%paramlist)) {
575: my $entry= 'resource.'.$Apache::inputtags::part;
576: if (defined($Apache::inputtags::response[-1])) {
577: $entry.='_'.$Apache::inputtags::response[-1];
578: }
579: $entry.='.'.$key;
580: &Apache::lonxml::debug("looking for $entry");
581: my $value = &Apache::lonnet::EXT("$entry");
582: &Apache::lonxml::debug("$key has value :$value:");
583: if ($value eq 'con_lost' || $value =~ /^error:/) {
584: &Apache::lonxml::debug("using nothing");
585: $Apache::inputtags::params{$key}='';
586: } else {
1.94 albertel 587: my $string="{return qq\0".$value."\0}";
588: my $newvalue=&Apache::run::run($string,$safeeval,1);
589: if (defined($newvalue)) { $value=$newvalue; }
1.73 albertel 590: $Apache::inputtags::params{$key}=$value;
591: }
1.42 albertel 592: }
1.48 albertel 593: }
594:
595: sub answer_header {
1.73 albertel 596: my ($type) = @_;
597: my $result;
1.120 albertel 598: if ($env{'form.answer_output_mode'} eq 'tex') {
1.84 sakharuk 599: $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
600: $Apache::inputtags::part.'| \\\\ \hline ';
1.73 albertel 601: } else {
1.80 albertel 602: $result = '<table border="1"><tr><td>Answer for Part:'.
603: $Apache::inputtags::part. '</td>'."\n";
1.73 albertel 604: }
605: return $result;
1.48 albertel 606: }
607:
608: sub answer_part {
1.73 albertel 609: my ($type,$answer) = @_;
610: my $result;
1.120 albertel 611: if ($env{'form.answer_output_mode'} eq 'tex') {
1.124 albertel 612: my $to_use='|';
613: foreach my $value (32..126) {
614: my $char=pack('c',$value);
615: if ($answer !~ /\Q$char\E/) {
616: $to_use=$char;
617: last;
618: }
619: }
620: $result = '\verb'.$to_use.$answer.$to_use.'\\\\ \hline ';
1.73 albertel 621: } else {
1.80 albertel 622: $result = '<td>'.$answer.'</td>';
1.73 albertel 623: }
624: return $result;
1.48 albertel 625: }
626:
627: sub answer_footer {
1.73 albertel 628: my ($type) = @_;
629: my $result;
1.120 albertel 630: if ($env{'form.answer_output_mode'} eq 'tex') {
1.75 sakharuk 631: $result = ' \end{tabular} \vskip 0 mm ';
1.73 albertel 632: } else {
1.80 albertel 633: $result = '</tr></table>';
1.73 albertel 634: }
635: return $result;
1.1 albertel 636: }
1.2 albertel 637:
1.62 albertel 638: sub showallfoils {
1.120 albertel 639: if (defined($env{'form.showallfoils'})) {
1.102 albertel 640: my ($symb)=&Apache::lonxml::whichuser();
1.120 albertel 641: if (($env{'request.state'} eq 'construct') ||
642: ($env{'user.adv'} && $symb eq '') ||
1.118 foxr 643: ($Apache::lonhomework::viewgrades) ) {
1.102 albertel 644: return 1;
645: }
1.73 albertel 646: }
1.108 albertel 647: if ($Apache::lonhomework::type eq 'survey') { return 1; }
1.102 albertel 648: return 0;
1.70 albertel 649: }
650:
651: sub getresponse {
1.90 albertel 652: my ($temp,$resulttype)=@_;
1.70 albertel 653: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
654: my $response;
655: if (!defined($temp)) {
656: $temp=1;
657: } else {
658: $formparm.=":$temp";
659: }
660: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
661: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
662: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
663: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
1.120 albertel 664: if ($env{'form.submitted'} eq 'scantron') {
1.71 albertel 665: my $part = $Apache::inputtags::part;
666: my $id = $Apache::inputtags::response[-1];
1.120 albertel 667: $response = $env{'scantron.'.($Apache::lonxml::counter+$temp-1).
1.70 albertel 668: '.answer'};
1.71 albertel 669: # save bubbled letter for later
670: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
671: $response;
1.90 albertel 672: if ($resulttype ne 'letter') {
1.104 albertel 673: if ($resulttype eq 'A is 1') {
1.105 albertel 674: $response = $let_to_num{$response}+1;
675: } else {
1.104 albertel 676: $response = $let_to_num{$response};
677: }
1.90 albertel 678: }
1.70 albertel 679: } else {
1.120 albertel 680: $response = $env{$formparm};
1.70 albertel 681: }
682: return $response;
1.62 albertel 683: }
1.71 albertel 684:
685: sub repetition {
686: my $id = $Apache::inputtags::part;
687: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.121 albertel 688: if (!defined($weight) || ($weight eq '')) { $weight=1; }
1.125 albertel 689: my $repetition = int($weight/10);
690: if ($weight % 10 != 0) { $repetition++; }
1.72 albertel 691: return $repetition;
692: }
693:
694: sub scored_response {
695: my ($part,$id)=@_;
696: my $repetition=&repetition();
697: my $score=0;
698: for (my $i=0;$i<$repetition;$i++) {
1.125 albertel 699: # A is 1, B is 2, etc. (get response return 0-9 and then we add 1)
1.72 albertel 700: my $increase=&Apache::response::getresponse($i+1);
701: if ($increase ne '') { $score+=$increase+1; }
702: }
703: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
1.91 albertel 704: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; }
1.72 albertel 705: my $pcr=$score/$weight;
706: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
707: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
708: 'ASSIGNED_SCORE';
1.71 albertel 709: return $repetition;
1.78 albertel 710: }
711:
712: sub whichorder {
713: my ($max,$randomize,$showall,$hash)=@_;
714: #&Apache::lonxml::debug("man $max randomize $randomize");
715: if (!defined(@{ $$hash{'names'} })) { return; }
716: my @names = @{ $$hash{'names'} };
717: my @whichopt =();
718: my (%top,@toplist,%bottom,@bottomlist);
719: if (!($showall || ($randomize eq 'no'))) {
720: my $current=0;
721: foreach my $name (@names) {
722: $current++;
723: if ($$hash{"$name.location"} eq 'top') {
724: $top{$name}=$current;
725: } elsif ($$hash{"$name.location"} eq 'bottom') {
726: $bottom{$name}=$current;
727: }
728: }
729: }
730: my $topcount=0;
731: my $bottomcount=0;
732: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall)
733: && ($#names > -1)) {
734: #&Apache::lonxml::debug("Have $#whichopt max is $max");
735: my $aopt;
736: if ($showall || ($randomize eq 'no')) {
737: $aopt=0;
738: } else {
739: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
740: }
741: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
742: $aopt=splice(@names,$aopt,1);
743: #&Apache::lonxml::debug("Picked $aopt");
744: if ($top{$aopt}) {
745: $toplist[$top{$aopt}]=$aopt;
746: $topcount++;
747: } elsif ($bottom{$aopt}) {
748: $bottomlist[$bottom{$aopt}]=$aopt;
749: $bottomcount++;
750: } else {
751: push (@whichopt,$aopt);
752: }
753: }
754: for (my $i=0;$i<=$#toplist;$i++) {
755: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
756: }
757: for (my $i=0;$i<=$#bottomlist;$i++) {
758: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
759: }
760: return @whichopt;
1.71 albertel 761: }
762:
1.85 albertel 763: sub show_answer {
764: my $part = $Apache::inputtags::part;
765: my $award = $Apache::lonhomework::history{"resource.$part.solved"};
766: my $status = $Apache::inputtags::status[-1];
767: return ( ($award =~ /^correct/
768: && lc($Apache::lonhomework::problemstatus) ne 'no')
769: || $status eq "SHOW_ANSWER");
770: }
1.87 albertel 771:
772: sub analyze_store_foilgroup {
773: my ($shown,$attrs)=@_;
774: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
775: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
776: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
777: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
778: foreach my $attr (@$attrs) {
779: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
780: $Apache::response::foilgroup{"$name.".$attr};
781: }
782: }
783: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
1.96 albertel 784: }
785:
786: sub check_if_computed {
787: my ($token,$parstack,$safeeval,$name)=@_;
788: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
1.106 matthew 789: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
1.96 albertel 790: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
791: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
792: }
1.87 albertel 793: }
794:
795: sub pick_foil_for_concept {
796: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
797: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
798: my @names = @{ $Apache::response::conceptgroup{'names'} };
799: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
800: my $name=$names[$pick];
801: push @{ $Apache::response::foilgroup{'names'} }, $name;
802: foreach my $attr (@$attrs) {
803: $Apache::response::foilgroup{"$name.".$attr} =
804: $Apache::response::conceptgroup{"$name.".$attr};
805: }
806: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
807: $Apache::response::foilgroup{"$name.concept"} = $concept;
808: &Apache::lonxml::debug("Selecting $name in $concept");
809: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
810: if ($target eq 'analyze') {
811: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
812: $concept);
813: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
814: $Apache::response::conceptgroup{'names'};
815: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
816: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
817: $name);
818: foreach my $attr (@$attrs) {
819: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
820: $Apache::response::conceptgroup{"$name.$attr"};
821: }
822: }
823: }
824: push(@{ $hinthash->{"$part_id.concepts"} },$concept);
825: $hinthash->{"$part_id.concept.$concept"}=
826: $Apache::response::conceptgroup{'names'};
827:
828: }
829:
1.95 albertel 830: sub get_response_param {
831: my ($id,$name,$default)=@_;
832: my $parameter;
1.120 albertel 833: if ($env{'request.state'} eq 'construct' &&
1.95 albertel 834: defined($Apache::inputtags::params{$name})) {
835: $parameter=$Apache::inputtags::params{$name};
836: } else {
837: $parameter=&Apache::lonnet::EXT("resource.$id.$name");
838: }
839: if (!defined($parameter) || $parameter eq '') {
840: $parameter = $default;
841: }
842: return $parameter;
843: }
1.87 albertel 844:
1.113 albertel 845: sub submitted {
846: my ($who)=@_;
847:
848: # when scatron grading any submission is a submission
1.120 albertel 849: if ($env{'form.submitted'} eq 'scantron') { return 1; }
1.113 albertel 850: # if the caller only cared if this was a scantron submission
851: if ($who eq 'scantron') { return 0; }
852: # if the Submit Answer button for this particular part was pressed
853: my $partid=$Apache::inputtags::part;
1.120 albertel 854: if (defined($env{'form.submit_'.$partid})) { return 1; }
1.122 albertel 855: # Submit All button on a .page was pressed
856: if (defined($env{'form.all_submit'})) { return 1; }
1.113 albertel 857: # otherwise no submission occured
858: return 0;
859: }
1.117 albertel 860:
861: # basically undef and 0 (both false) mean that they still have work to do
862: # and all true values mean that they can't do any more work
863: #
864: # a return of undef means it is unattempted
865: # a return of 0 means it is attmpted and wrong but still has tries
866: # a return of 1 means it is marked correct
867: # a return of 2 means they have exceed maximum number of tries
868: # a return of 3 means it after the answer date
869: sub check_status {
870: my ($id)=@_;
871: if (!$id) { $id=$Apache::linputtags::part; }
872: my $curtime=&Apache::lonnet::EXT('system.time');
873: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate");
874: my $duedate=&Apache::lonnet::EXT("resource.$id.duedate");
875: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate");
876: if ( $opendate && $curtime > $opendate &&
877: $duedate && $curtime > $duedate &&
878: $answerdate && $curtime > $answerdate) {
879: return 3;
880: }
881: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved");
882: if ($status =~ /^correct/) { return 1; }
883: if (!$status) { return undef; }
884: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries");
885: if ($maxtries eq '') { $maxtries=2; }
886: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries");
887: if ($curtries < $maxtries) { return 0; }
888: return 2;
889: }
890:
1.1 albertel 891: 1;
892: __END__
1.38 albertel 893:
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