1: # The LearningOnline Network with CAPA
2: # various response type definitons response definition
3: #
4: # $Id: response.pm,v 1.76 2003/05/13 15:44:39 sakharuk Exp $
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: #
28: # 11/23,11/24,11/28 Gerd Kortemeyer
29: # Guy Albertelli
30: # 08/04,08/07 Gerd Kortemeyer
31:
32: package Apache::response;
33: use strict;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse'));
37: }
38:
39: sub start_response {
40: my ($parstack,$safeeval)=@_;
41: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
42: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
43: if ($#Apache::inputtags::import > -1) {
44: &Apache::lonxml::debug("Turning :$id: into");
45: $id = join('_',@Apache::inputtags::import).'_'.$id;
46: &Apache::lonxml::debug("New :$id:");
47: }
48: push (@Apache::inputtags::response,$id);
49: push (@Apache::inputtags::responselist,$id);
50: @Apache::inputtags::inputlist=();
51: return $id;
52: }
53:
54: sub end_response {
55: pop @Apache::inputtags::response;
56: @Apache::inputtags::inputlist=();
57: return '';
58: }
59:
60: sub start_hintresponse {
61: my ($parstack,$safeeval)=@_;
62: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
63: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
64: push (@Apache::inputtags::response,$id);
65: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]);
66: return $id;
67: }
68:
69: sub end_hintresponse {
70: pop @Apache::inputtags::response;
71: if (defined($Apache::inputtags::paramstack[-1])) {
72: %Apache::inputtags::params=
73: @{ pop(@Apache::inputtags::paramstack) };
74: }
75: return '';
76: }
77:
78: # used by response to set the non-safe space random number generator to something
79: # that is stable and unique based on the part number and response number
80: sub setrandomnumber {
81: my $rndseed;
82: if ($ENV{'request.state'} eq "construct") {
83: $rndseed=$ENV{'form.rndseed'};
84: if (!$rndseed) { $rndseed=time; }
85: } else {
86: $rndseed=&Apache::lonnet::rndseed();
87: }
88: &Apache::lonxml::debug("randseed $rndseed");
89: # $rndseed=unpack("%32i",$rndseed);
90: my $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
91: if (defined($Apache::inputtags::response['-1'])) {
92: $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
93: }
94: if ($rndseed =~/,/) {
95: my ($num1,$num2)=split(/,/,$rndseed);
96: $num1+=$rndmod;
97: $num2+=$rndmod;
98: $rndseed="$num1,$num2";
99: } else {
100: $rndseed+=$rndmod;
101: }
102: &Apache::lonnet::setup_random_from_rndseed($rndseed);
103: &Apache::lonxml::debug("randseed $rndseed");
104: return '';
105: }
106:
107: sub meta_parameter_write {
108: my ($name,$type,$default,$display)=@_;
109: my $partref=$Apache::inputtags::part;
110: my $result='<parameter part="'.$Apache::inputtags::part.'"';
111: if (defined($Apache::inputtags::response[-1])) {
112: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
113: $partref.='_'.$Apache::inputtags::response[-1];
114: }
115: $result.= ' name="'.$name.'"'.
116: ' type="'.$type.'"'.
117: ($default?' default="'.$default.'"':'').
118: ($display?' display="'.$display.' [Part: '.$partref.']"':'')
119: .'></parameter>'
120: ."\n";
121: return $result;
122: }
123:
124: sub meta_package_write {
125: my $name=shift;
126: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
127: if(defined($Apache::inputtags::response[-1])) {
128: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
129: }
130: $result.=' package="'.$name.'"></parameter>'."\n";
131: return $result;
132: }
133:
134: sub meta_stores_write {
135: my ($name,$type,$display)=@_;
136: my $partref=$Apache::inputtags::part;
137: my $result = '<stores part="'.$Apache::inputtags::part.'"';
138: if (defined($Apache::inputtags::response[-1])) {
139: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
140: $partref.='_'.$Apache::inputtags::response[-1];
141: }
142: $result.= ' name="'.$name.'"'.
143: ' type="'.$type.'"'.
144: ' display="'.$display.' [Part: '.$partref.']"'.
145: "></stores>\n";
146: }
147:
148: sub mandatory_part_meta {
149: #
150: # Autogenerate metadata for mandatory
151: # input (from RAT or lonparmset) and
152: # output (to lonspreadsheet)
153: # of each part
154: #
155: return
156: # &meta_parameter_write('opendate','date_start','',
157: # 'Opening Date').
158: # &meta_parameter_write('duedate','date_end','',
159: # 'Due Date').
160: # &meta_parameter_write('answerdate','date_start','',
161: # 'Show Answer Date').
162: # &meta_parameter_write('weight','int_zeropos','',
163: # 'Available Points').
164: # &meta_parameter_write('maxtries','int_pos','',
165: # 'Maximum Number of Tries').
166: &meta_package_write('part').
167: &meta_stores_write('solved','string',
168: 'Problem Status').
169: &meta_stores_write('tries','int_zeropos',
170: 'Number of Attempts').
171: &meta_stores_write('awarded','float',
172: 'Partial Credit Factor');
173: #
174: # Note: responseid-specific data 'submission' and 'awarddetail'
175: # not available to spreadsheet -> skip here
176: #
177: }
178:
179: sub check_for_previous {
180: my ($curresponse,$partid,$id) = @_;
181: my %previous;
182: $previous{'used'} = 0;
183: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
184: if ($key =~ /resource\.$partid\.$id\.submission/) {
185: &Apache::lonxml::debug("Trying $key");
186: my $pastresponse=$Apache::lonhomework::history{$key};
187: if ($pastresponse eq $curresponse) {
188: $previous{'used'} = 1;
189: my $history;
190: if ( $key =~ /^(\d+):/ ) {
191: $history=$1;
192: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
193: $previous{'last'}='0';
194: push(@{ $previous{'version'} },$history);
195: } else {
196: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
197: $previous{'last'}='1';
198: }
199: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
200: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
201: }
202: }
203: }
204: &Apache::lonhomework::showhash(%previous);
205: return %previous;
206: }
207:
208: sub handle_previous {
209: my ($previous,$ad)=@_;
210: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
211: if ($$previous{'last'}) {
212: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
213: } else {
214: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
215: }
216: push(@Apache::inputtags::previous_version,$$previous{'version'});
217: }
218: }
219:
220: sub view_or_modify {
221: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
222: my $myself=0;
223: if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
224: $myself=1;
225: }
226: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
227: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
228: if ($mgr) { return "M"; }
229: if ($vgr) { return "V"; }
230: if ($myself) { return "V"; }
231: return '';
232: }
233:
234: sub start_dataresponse {
235: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
236: my $id = &Apache::response::start_response($parstack,$safeeval);
237: my $result;
238: if ($target eq 'web') {
239: $result = $token->[2]->{'display'}.':';
240: } elsif ($target eq 'meta') {
241: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
242: $token->[2]->{'type'},
243: $token->[2]->{'display'});
244: $result .= &Apache::response::meta_package_write('dataresponse');
245: }
246: return $result;
247: }
248:
249: sub end_dataresponse {
250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
251: my $result;
252: if ( $target eq 'web' ) {
253: } elsif ($target eq 'grade' ) {
254: if ( defined $ENV{'form.submitted'}) {
255: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
256: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
257: if ($allowed) {
258: &Apache::response::setup_params('dataresponse');
259: my $partid = $Apache::inputtags::part;
260: my $id = $Apache::inputtags::response['-1'];
261: my $response = $ENV{'form.HWVAL_'.$id};
262: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
263: if ( $response =~ /[^\s]/) {
264: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
265: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
266: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
267: }
268: } else {
269: $result='Not Permitted to change values.'
270: }
271: }
272: }
273: &Apache::response::end_response;
274: return $result;
275: }
276:
277: sub start_responseparam {
278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
279: my $result='';
280: if ($target eq 'meta') {
281: $result = &meta_parameter_write($token->[2]->{'name'},
282: $token->[2]->{'type'},
283: $token->[2]->{'default'},
284: $token->[2]->{'description'});
285: } elsif ($target eq 'edit') {
286: $result.=&Apache::edit::tag_start($target,$token);
287: $result.=&Apache::edit::text_arg('Name:','name',$token).
288: &Apache::edit::text_arg('Type:','type',$token).
289: &Apache::edit::text_arg('Description:','description',$token).
290: &Apache::edit::text_arg('Default:','default',$token).
291: "</td></tr>";
292: $result.=&Apache::edit::end_table;
293: } elsif ($target eq 'modified') {
294: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
295: 'name','type','description',
296: 'default');
297: if ($constructtag) {
298: $result = &Apache::edit::rebuild_tag($token);
299: $result.=&Apache::edit::handle_insert();
300: }
301: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
302: $target eq 'tex' || $target eq 'analyze' ) {
303: if ($ENV{'request.state'} eq 'construct') {
304: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
305: my $default=&Apache::lonxml::get_param('default',$parstack,
306: $safeeval);
307: if ($name) {$Apache::inputtags::params{$name}=$default;}
308: }
309: }
310: return $result;
311: }
312:
313: sub end_responseparam {
314: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
315: if ($target eq 'edit') { return ('','no'); }
316: return '';
317: }
318:
319: sub start_parameter {
320: my $result = &start_responseparam(@_);
321: return $result;
322: }
323:
324: sub end_parameter {
325: my $result = &end_responseparam(@_);
326: return $result;
327: }
328:
329: sub reset_params {
330: %Apache::inputtags::params=();
331: }
332:
333: sub setup_params {
334: my ($tag) = @_;
335:
336: if ($ENV{'request.state'} eq 'construct') { return; }
337: my %paramlist=();
338: foreach my $key (keys(%Apache::lonnet::packagetab)) {
339: if ($key =~ /^$tag/) {
340: my ($package,$name) = split(/&/,$key);
341: $paramlist{$name}=1;
342: }
343: }
344: foreach my $key (keys(%paramlist)) {
345: my $entry= 'resource.'.$Apache::inputtags::part;
346: if (defined($Apache::inputtags::response[-1])) {
347: $entry.='_'.$Apache::inputtags::response[-1];
348: }
349: $entry.='.'.$key;
350: &Apache::lonxml::debug("looking for $entry");
351: my $value = &Apache::lonnet::EXT("$entry");
352: &Apache::lonxml::debug("$key has value :$value:");
353: if ($value eq 'con_lost' || $value =~ /^error:/) {
354: &Apache::lonxml::debug("using nothing");
355: $Apache::inputtags::params{$key}='';
356: } else {
357: &Apache::lonxml::debug("using value");
358: $Apache::inputtags::params{$key}=$value;
359: }
360: }
361: }
362:
363: sub answer_header {
364: my ($type) = @_;
365: my $result;
366: if (($ENV{'form.print_answer'} eq 'yes') && ($ENV{'form.grade_target'} eq 'answer')) {
367: $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: '.
368: $Apache::inputtags::part.' \\\\ \hline ';
369: } else {
370: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse' ) {
371: $result = '<table border="1"><tr><th>Answer for Part:'.
372: $Apache::inputtags::part. '</th></tr><tr>'."\n";
373: } else {
374: $result = '<table border="1"><tr><td>Answer for Part:'.
375: $Apache::inputtags::part. '</td>'."\n";
376: }
377: }
378: return $result;
379: }
380:
381: sub answer_part {
382: my ($type,$answer) = @_;
383: my $result;
384: if (($ENV{'form.print_answer'} eq 'yes') && ($ENV{'form.grade_target'} eq 'answer')) {
385: $result = ' '.$answer.'\\\\ \hline ';
386: } else {
387: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
388: $result = '<td>'.$answer.'</td>';
389: } else {
390: $result = '<td>'.$answer.'</td>';
391: }
392: }
393: return $result;
394: }
395:
396: sub answer_footer {
397: my ($type) = @_;
398: my $result;
399: if (($ENV{'form.print_answer'} eq 'yes') && ($ENV{'form.grade_target'} eq 'answer')) {
400: $result = ' \end{tabular} \vskip 0 mm ';
401: } else {
402: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
403: $result = '</tr></table>';
404: } else {
405: $result = '</tr></table>';
406: }
407: }
408: return $result;
409: }
410:
411: sub showallfoils {
412: my $return=0;
413: if (defined($ENV{'form.showallfoils'}) &&
414: $ENV{'request.state'} eq 'construct') {
415: $return=1;
416: }
417: return $return;
418: }
419:
420: sub getresponse {
421: my ($temp)=@_;
422: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
423: my $response;
424: if (!defined($temp)) {
425: $temp=1;
426: } else {
427: $formparm.=":$temp";
428: }
429: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
430: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
431: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
432: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
433: if ($ENV{'form.submitted'} eq 'scantron') {
434: my $part = $Apache::inputtags::part;
435: my $id = $Apache::inputtags::response[-1];
436: $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
437: '.answer'};
438: # save bubbled letter for later
439: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
440: $response;
441: $response = $let_to_num{$response};
442: } else {
443: $response = $ENV{$formparm};
444: }
445: return $response;
446: }
447:
448: sub repetition {
449: my $id = $Apache::inputtags::part;
450: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
451: my $repetition = int $weight/9;
452: if ($weight % 9 != 0) {$repetition++;}
453: return $repetition;
454: }
455:
456: sub scored_response {
457: my ($part,$id)=@_;
458: my $repetition=&repetition();
459: my $score=0;
460: for (my $i=0;$i<$repetition;$i++) {
461: my $increase=&Apache::response::getresponse($i+1);
462: if ($increase ne '') { $score+=$increase+1; }
463: }
464: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
465: my $pcr=$score/$weight;
466: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
467: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
468: 'ASSIGNED_SCORE';
469: return $repetition;
470: }
471:
472: 1;
473: __END__
474:
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