1: # The LearningOnline Network with CAPA
2: # various response type definitons response definition
3: #
4: # $Id: response.pm,v 1.73 2003/04/30 21:19:13 albertel 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) { $rndseed=time; }
85: } else {
86: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
87: $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
88: }
89: &Apache::lonxml::debug("randseed $rndseed");
90: # $rndseed=unpack("%32i",$rndseed);
91: $rndseed=$rndseed
92: +(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
93: if (defined($Apache::inputtags::response['-1'])) {
94: $rndseed=$rndseed
95: +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
96: }
97: &Math::Random::random_set_seed_from_phrase($rndseed);
98: &Apache::lonxml::debug("randseed $rndseed");
99: return '';
100: }
101:
102: sub meta_parameter_write {
103: my ($name,$type,$default,$display)=@_;
104: my $partref=$Apache::inputtags::part;
105: my $result='<parameter part="'.$Apache::inputtags::part.'"';
106: if (defined($Apache::inputtags::response[-1])) {
107: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
108: $partref.='_'.$Apache::inputtags::response[-1];
109: }
110: $result.= ' name="'.$name.'"'.
111: ' type="'.$type.'"'.
112: ($default?' default="'.$default.'"':'').
113: ($display?' display="'.$display.' [Part: '.$partref.']"':'')
114: .'></parameter>'
115: ."\n";
116: return $result;
117: }
118:
119: sub meta_package_write {
120: my $name=shift;
121: my $result = '<parameter part="'.$Apache::inputtags::part.'"';
122: if(defined($Apache::inputtags::response[-1])) {
123: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
124: }
125: $result.=' package="'.$name.'"></parameter>'."\n";
126: return $result;
127: }
128:
129: sub meta_stores_write {
130: my ($name,$type,$display)=@_;
131: my $partref=$Apache::inputtags::part;
132: my $result = '<stores part="'.$Apache::inputtags::part.'"';
133: if (defined($Apache::inputtags::response[-1])) {
134: $result.= ' id="'.$Apache::inputtags::response[-1].'"';
135: $partref.='_'.$Apache::inputtags::response[-1];
136: }
137: $result.= ' name="'.$name.'"'.
138: ' type="'.$type.'"'.
139: ' display="'.$display.' [Part: '.$partref.']"'.
140: "></stores>\n";
141: }
142:
143: sub mandatory_part_meta {
144: #
145: # Autogenerate metadata for mandatory
146: # input (from RAT or lonparmset) and
147: # output (to lonspreadsheet)
148: # of each part
149: #
150: return
151: # &meta_parameter_write('opendate','date_start','',
152: # 'Opening Date').
153: # &meta_parameter_write('duedate','date_end','',
154: # 'Due Date').
155: # &meta_parameter_write('answerdate','date_start','',
156: # 'Show Answer Date').
157: # &meta_parameter_write('weight','int_zeropos','',
158: # 'Available Points').
159: # &meta_parameter_write('maxtries','int_pos','',
160: # 'Maximum Number of Tries').
161: &meta_package_write('part').
162: &meta_stores_write('solved','string',
163: 'Problem Status').
164: &meta_stores_write('tries','int_zeropos',
165: 'Number of Attempts').
166: &meta_stores_write('awarded','float',
167: 'Partial Credit Factor');
168: #
169: # Note: responseid-specific data 'submission' and 'awarddetail'
170: # not available to spreadsheet -> skip here
171: #
172: }
173:
174: sub check_for_previous {
175: my ($curresponse,$partid,$id) = @_;
176: my %previous;
177: $previous{'used'} = 0;
178: foreach my $key (sort(keys(%Apache::lonhomework::history))) {
179: if ($key =~ /resource\.$partid\.$id\.submission/) {
180: &Apache::lonxml::debug("Trying $key");
181: my $pastresponse=$Apache::lonhomework::history{$key};
182: if ($pastresponse eq $curresponse) {
183: $previous{'used'} = 1;
184: my $history;
185: if ( $key =~ /^(\d+):/ ) {
186: $history=$1;
187: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
188: $previous{'last'}='0';
189: push(@{ $previous{'version'} },$history);
190: } else {
191: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
192: $previous{'last'}='1';
193: }
194: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
195: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
196: }
197: }
198: }
199: &Apache::lonhomework::showhash(%previous);
200: return %previous;
201: }
202:
203: sub handle_previous {
204: my ($previous,$ad)=@_;
205: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
206: if ($$previous{'last'}) {
207: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
208: } else {
209: push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
210: }
211: push(@Apache::inputtags::previous_version,$$previous{'version'});
212: }
213: }
214:
215: sub view_or_modify {
216: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
217: my $myself=0;
218: if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
219: $myself=1;
220: }
221: my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
222: my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
223: if ($mgr) { return "M"; }
224: if ($vgr) { return "V"; }
225: if ($myself) { return "V"; }
226: return '';
227: }
228:
229: sub start_dataresponse {
230: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
231: my $id = &Apache::response::start_response($parstack,$safeeval);
232: my $result;
233: if ($target eq 'web') {
234: $result = $token->[2]->{'display'}.':';
235: } elsif ($target eq 'meta') {
236: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
237: $token->[2]->{'type'},
238: $token->[2]->{'display'});
239: $result .= &Apache::response::meta_package_write('dataresponse');
240: }
241: return $result;
242: }
243:
244: sub end_dataresponse {
245: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
246: my $result;
247: if ( $target eq 'web' ) {
248: } elsif ($target eq 'grade' ) {
249: if ( defined $ENV{'form.submitted'}) {
250: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
251: my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
252: if ($allowed) {
253: &Apache::response::setup_params('dataresponse');
254: my $partid = $Apache::inputtags::part;
255: my $id = $Apache::inputtags::response['-1'];
256: my $response = $ENV{'form.HWVAL_'.$id};
257: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
258: if ( $response =~ /[^\s]/) {
259: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response;
260: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
261: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
262: }
263: } else {
264: $result='Not Permitted to change values.'
265: }
266: }
267: }
268: &Apache::response::end_response;
269: return $result;
270: }
271:
272: sub start_responseparam {
273: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
274: my $result='';
275: if ($target eq 'meta') {
276: $result = &meta_parameter_write($token->[2]->{'name'},
277: $token->[2]->{'type'},
278: $token->[2]->{'default'},
279: $token->[2]->{'description'});
280: } elsif ($target eq 'edit') {
281: $result.=&Apache::edit::tag_start($target,$token);
282: $result.=&Apache::edit::text_arg('Name:','name',$token).
283: &Apache::edit::text_arg('Type:','type',$token).
284: &Apache::edit::text_arg('Description:','description',$token).
285: &Apache::edit::text_arg('Default:','default',$token).
286: "</td></tr>";
287: $result.=&Apache::edit::end_table;
288: } elsif ($target eq 'modified') {
289: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
290: 'name','type','description',
291: 'default');
292: if ($constructtag) {
293: $result = &Apache::edit::rebuild_tag($token);
294: $result.=&Apache::edit::handle_insert();
295: }
296: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
297: $target eq 'tex' || $target eq 'analyze' ) {
298: if ($ENV{'request.state'} eq 'construct') {
299: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval);
300: my $default=&Apache::lonxml::get_param('default',$parstack,
301: $safeeval);
302: if ($name) {$Apache::inputtags::params{$name}=$default;}
303: }
304: }
305: return $result;
306: }
307:
308: sub end_responseparam {
309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
310: if ($target eq 'edit') { return ('','no'); }
311: return '';
312: }
313:
314: sub start_parameter {
315: my $result = &start_responseparam(@_);
316: return $result;
317: }
318:
319: sub end_parameter {
320: my $result = &end_responseparam(@_);
321: return $result;
322: }
323:
324: sub reset_params {
325: %Apache::inputtags::params=();
326: }
327:
328: sub setup_params {
329: my ($tag) = @_;
330:
331: if ($ENV{'request.state'} eq 'construct') { return; }
332: my %paramlist=();
333: foreach my $key (keys(%Apache::lonnet::packagetab)) {
334: if ($key =~ /^$tag/) {
335: my ($package,$name) = split(/&/,$key);
336: $paramlist{$name}=1;
337: }
338: }
339: foreach my $key (keys(%paramlist)) {
340: my $entry= 'resource.'.$Apache::inputtags::part;
341: if (defined($Apache::inputtags::response[-1])) {
342: $entry.='_'.$Apache::inputtags::response[-1];
343: }
344: $entry.='.'.$key;
345: &Apache::lonxml::debug("looking for $entry");
346: my $value = &Apache::lonnet::EXT("$entry");
347: &Apache::lonxml::debug("$key has value :$value:");
348: if ($value eq 'con_lost' || $value =~ /^error:/) {
349: &Apache::lonxml::debug("using nothing");
350: $Apache::inputtags::params{$key}='';
351: } else {
352: &Apache::lonxml::debug("using value");
353: $Apache::inputtags::params{$key}=$value;
354: }
355: }
356: }
357:
358: sub answer_header {
359: my ($type) = @_;
360: my $result;
361: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse' ) {
362: $result = '<table border="1"><tr><th>Answer for Part:'.
363: $Apache::inputtags::part. '</th></tr><tr>'."\n";
364: } else {
365: $result = '<table border="1"><tr><td>Answer for Part:'.
366: $Apache::inputtags::part. '</td>'."\n";
367: }
368: return $result;
369: }
370:
371: sub answer_part {
372: my ($type,$answer) = @_;
373: my $result;
374: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
375: $result = '<td>'.$answer.'</td>';
376: } else {
377: $result = '<td>'.$answer.'</td>';
378: }
379: return $result;
380: }
381:
382: sub answer_footer {
383: my ($type) = @_;
384: my $result;
385: if ($type eq 'optionresponse' || $type eq 'radiobuttonresponse') {
386: $result = '</tr></table>';
387: } else {
388: $result = '</tr></table>';
389: }
390: return $result;
391: }
392:
393: sub showallfoils {
394: my $return=0;
395: if (defined($ENV{'form.showallfoils'}) &&
396: $ENV{'request.state'} eq 'construct') {
397: $return=1;
398: }
399: return $return;
400: }
401:
402: sub getresponse {
403: my ($temp)=@_;
404: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
405: my $response;
406: if (!defined($temp)) {
407: $temp=1;
408: } else {
409: $formparm.=":$temp";
410: }
411: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
412: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
413: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
414: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
415: if ($ENV{'form.submitted'} eq 'scantron') {
416: my $part = $Apache::inputtags::part;
417: my $id = $Apache::inputtags::response[-1];
418: $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1).
419: '.answer'};
420: # save bubbled letter for later
421: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
422: $response;
423: $response = $let_to_num{$response};
424: } else {
425: $response = $ENV{$formparm};
426: }
427: return $response;
428: }
429:
430: sub repetition {
431: my $id = $Apache::inputtags::part;
432: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
433: my $repetition = int $weight/9;
434: if ($weight % 9 != 0) {$repetition++;}
435: return $repetition;
436: }
437:
438: sub scored_response {
439: my ($part,$id)=@_;
440: my $repetition=&repetition();
441: my $score=0;
442: for (my $i=0;$i<$repetition;$i++) {
443: my $increase=&Apache::response::getresponse($i+1);
444: if ($increase ne '') { $score+=$increase+1; }
445: }
446: my $weight = &Apache::lonnet::EXT("resource.$part.weight");
447: my $pcr=$score/$weight;
448: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr;
449: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
450: 'ASSIGNED_SCORE';
451: return $repetition;
452: }
453:
454: 1;
455: __END__
456:
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