1: # The LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.41 2002/06/21 20:36:30 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: # 2/21 Guy
29: # 01/18 Alex
30: package Apache::optionresponse;
31: use strict;
32: use Apache::response;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
36: }
37:
38: sub start_optionresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result='';
41: #when in a option response use these
42: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'optionresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: if ($target eq 'edit') {
46: $result.=&Apache::edit::start_table($token).
47: "<tr><td>Multiple Option Response Question</td><td>Delete:".
48: &Apache::edit::deletelist($target,$token)
49: ."</td><td> ".
50: &Apache::edit::end_row().
51: &Apache::edit::start_spanning_row().
52: "\n";
53: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
54: &Apache::edit::end_row().
55: &Apache::edit::start_spanning_row();
56: } elsif ($target eq 'modified') {
57: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
58: $safeeval,'max');
59: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
60: } elsif ($target eq 'meta') {
61: $result=&Apache::response::meta_package_write('optionresponse');
62: } elsif ($target eq 'analyze') {
63: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
64: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
65: }
66: # if ($target eq 'tex') {$result .= '\begin{enumerate}';}
67: return $result;
68: }
69:
70: sub end_optionresponse {
71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: &Apache::response::end_response;
73: pop @Apache::lonxml::namespace;
74: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
75: my $result;
76: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
77: # if ($target eq 'tex') {$result .= '\end{enumerate}';}
78: return $result;
79: }
80:
81: %Apache::response::foilgroup={};
82: sub start_foilgroup {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84:
85: my $result='';
86: %Apache::response::foilgroup={};
87: $Apache::optionresponse::conceptgroup=0;
88: &Apache::response::setrandomnumber();
89: if ($target eq 'edit') {
90: my $optionlist="<option></option>\n";
91: my $option;
92: my @opt;
93: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
94: my $count=1;
95: foreach $option (@opt) {
96: $optionlist.="<option value=\"$count\">$option</option>\n";
97: $count++;
98: }
99: my $insertlist=&Apache::edit::insertlist($target,$token);
100: $result.=&Apache::edit::start_table($token);
101: $result.= (<<ENDTABLE);
102: <tr><td>Select Options</td>
103: <td>
104: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
105: </td>
106: <td>Delete an Option:
107: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
108: ENDTABLE
109: $result.= &Apache::edit::end_row();
110: $result.= &Apache::edit::start_spanning_row();
111: $result.= $insertlist.'<br />';
112: }
113: if ($target eq 'modified') {
114: my @options;
115: my $optchanged=0;
116: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
117: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
118: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
119: &Apache::lonxml::debug("Deleting :$delopt:");
120: splice(@options,$delopt-1,1);
121: $optchanged=1;
122: }
123: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
124: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
125: if ($options[0]) {
126: push(@options,$newopt);
127: } else {
128: $options[0]=$newopt;
129: }
130: $optchanged=1;
131: }
132: if ($optchanged) {
133: $result = "<foilgroup options=\"(";
134: foreach my $option (@options) {
135: $option=~s/\'/\\\'/g;
136: &Apache::lonxml::debug("adding option :$option:");
137: $result .="'".$option."',";
138: }
139: chop $result;
140: $result.=')">';
141: } # else nothing changed so just use the default mechanism
142: }
143: if ($target eq 'tex') {$result .= '\begin{enumerate}';}
144: return $result;
145: }
146:
147: sub end_foilgroup {
148: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
149:
150: my $result;
151: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
152: my $name;
153: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
154: if ($count>$max) { $count=$max }
155: &Apache::lonxml::debug("Count is $count from $max");
156: my @opt;
157: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
158: &Apache::lonxml::debug("Options are $#opt");
159: if ($target eq 'web' || $target eq 'tex') {
160: $result.=&displayfoils($target,$count,@opt);
161: } elsif ( $target eq 'answer') {
162: $result.=&displayanswers($count,@opt);
163: } elsif ( $target eq 'analyze') {
164: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
165: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
166: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
167: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
168: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
169: $Apache::response::foilgroup{"$name.value"};
170: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
171: $Apache::response::foilgroup{"$name.text"};
172: }
173: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
174: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($count));
175: } elsif ( $target eq 'grade') {
176: if ( defined $ENV{'form.submitted'}) {
177: my @whichopt = &whichfoils($count);
178: my $temp=1;my $name;
179: my %responsehash;
180: my $right=0;
181: my $wrong=0;
182: my $ignored=0;
183: foreach $name (@whichopt) {
184: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
185: $responsehash{$name}=$response;
186: if ( $response =~ /[^\s]/) {
187: my $value=$Apache::response::foilgroup{$name.'.value'};
188: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
189: if ($value eq $response) {$right++;} else {$wrong++;}
190: } else {
191: $ignored++;
192: }
193: $temp++;
194: }
195: my $part=$Apache::inputtags::part;
196: my $id = $Apache::inputtags::response['-1'];
197: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
198: my %previous=&Apache::response::check_for_previous($responsestr,
199: $part,$id);
200: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
201: my $ad;
202: if ($wrong==0 && $ignored==0) {
203: $ad='EXACT_ANS';
204: } elsif ($wrong==0 && $right==0) {
205: #nothing submitted
206: } else {
207: if ($ignored==0) {
208: $ad='INCORRECT';
209: } else {
210: $ad='MISSING_ANSWER';
211: }
212: }
213: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
214: $responsestr;
215: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
216: $ad;
217: &Apache::response::handle_previous(\%previous,$ad);
218: }
219: }
220: } elsif ($target eq 'edit') {
221: $result.=&Apache::edit::end_table();
222: }
223: if ($target eq 'tex') {$result .= '\end{enumerate}';}
224: return $result;
225: }
226:
227: sub getfoilcounts {
228: my ($parstack,$safeeval)=@_;
229: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
230: # +1 since instructors will count from 1
231: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
232: if (&Apache::response::showallfoils()) { $max=$count; }
233: return ($count,$max);
234: }
235:
236: sub whichfoils {
237: my ($max)=@_;
238: my @names = @{ $Apache::response::foilgroup{'names'} };
239: my @whichopt =();
240: while ((($#whichopt+1) < $max) && ($#names > -1)) {
241: &Apache::lonxml::debug("Have $#whichopt max is $max");
242: my $aopt;
243: if (&Apache::response::showallfoils()) {
244: $aopt=0;
245: } else {
246: $aopt=int(rand($#names+1));
247: }
248: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
249: $aopt=splice(@names,$aopt,1);
250: &Apache::lonxml::debug("Picked $aopt");
251: push (@whichopt,$aopt);
252: }
253: return @whichopt;
254: }
255:
256: sub displayanswers {
257: my ($max,@opt)=@_;
258: my @names = @{ $Apache::response::foilgroup{'names'} };
259: my @whichopt = &whichfoils($max);
260: my $result=&Apache::response::answer_header('optionresponse');
261: foreach my $name (@whichopt) {
262: $result.=&Apache::response::answer_part('optionresponse',
263: $Apache::response::foilgroup{$name.'.value'})
264: }
265: $result.=&Apache::response::answer_footer('optionresponse');
266: return $result;
267: }
268:
269: sub displayfoils {
270: my ($target,$max,@opt)=@_;
271: my @names = @{ $Apache::response::foilgroup{'names'} };
272: my @truelist;
273: my @falselist;
274: my $result;
275: my $name;
276: $Apache::optionresponse::displayoptionintex=0;
277: my @whichopt = &whichfoils($max);
278: my $part=$Apache::inputtags::part;
279: my $id=$Apache::inputtags::response[-1];
280: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
281: foreach $name (@whichopt) {
282: if ($target eq 'web') {
283: $result.="<br />";
284: } elsif ($target eq 'tex') {
285: $result.='\newline';
286: }
287: $result .=$Apache::response::foilgroup{$name.'.value'}.
288: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
289: }
290: } else {
291: my $temp=1;
292: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
293: foreach $name (@whichopt) {
294: my $lastopt=$lastresponse{$name};
295: my $optionlist="<option></option>\n";
296: my $option;
297: foreach $option (@opt) {
298: if ($option eq $lastopt) {
299: $optionlist.="<option selected=\"on\">$option</option>\n";
300: } else {
301: $optionlist.="<option>$option</option>\n";
302: }
303: }
304: if ($target ne 'tex') {
305: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
306: .$optionlist
307: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
308: $temp++;
309: } else {
310: if ($Apache::optionresponse::displayoptionintex == 0) {
311: my $durtyoptionlist = $optionlist;
312: $durtyoptionlist =~ s/<option><\/option>/\\item \[\] The possible answers are:/;
313: $durtyoptionlist =~ s/<option>/{\\bf /g;
314: $durtyoptionlist =~ s/<\/option>/},/g;
315: $durtyoptionlist =~ s/,$/\./g;
316: $durtyoptionlist =~ s/>/\$>\$/g;
317: $durtyoptionlist =~ s/</\$<\$/g;
318: $durtyoptionlist =~ s/=/\$=\$/g;
319: $result.= $durtyoptionlist.$Apache::response::foilgroup{$name.'.text'};
320: $Apache::optionresponse::displayoptionintex=1;
321: } else {
322: $result.= $Apache::response::foilgroup{$name.'.text'};
323: }
324: }
325: }
326: }
327: if ($target ne 'tex') {
328: return $result."<br />";
329: }
330: else {
331: return $result;
332: }
333: }
334:
335:
336: sub start_conceptgroup {
337: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
338: $Apache::optionresponse::conceptgroup=1;
339: %Apache::response::conceptgroup={};
340: my $result;
341: if ($target eq 'edit') {
342: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
343: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
344: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
345: }
346: if ($target eq 'modified') {
347: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
348: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
349: }
350: return $result;
351: }
352:
353: sub end_conceptgroup {
354: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
355: $Apache::optionresponse::conceptgroup=0;
356: my $result='';
357: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
358: || $target eq 'tex' || $target eq 'analyze') {
359: #if not there aren't any foils to display and thus no question
360: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
361: my @names = @{ $Apache::response::conceptgroup{'names'} };
362: my $pick=int rand $#names+1;
363: my $name=$names[$pick];
364: push @{ $Apache::response::foilgroup{'names'} }, $name;
365: $Apache::response::foilgroup{"$name.value"} =
366: $Apache::response::conceptgroup{"$name.value"};
367: $Apache::response::foilgroup{"$name.text"} =
368: $Apache::response::conceptgroup{"$name.text"};
369: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
370: $Apache::response::foilgroup{"$name.concept"} = $concept;
371: &Apache::lonxml::debug("Selecting $name in $concept");
372: if ($target eq 'analyze') {
373: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
374: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
375: $concept);
376: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
377: $Apache::response::conceptgroup{'names'};
378: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
379: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
380: $name);
381: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
382: $Apache::response::conceptgroup{"$name.value"};
383: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
384: $Apache::response::conceptgroup{"$name.text"};
385: }
386: }
387: }
388: } elsif ($target eq 'edit') {
389: $result=&Apache::edit::end_table();
390: }
391: return $result;
392: }
393:
394: sub insert_conceptgroup {
395: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
396: return $result;
397: }
398:
399: sub start_foil {
400: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
401: my $result='';
402: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
403: &Apache::lonxml::startredirection;
404: } elsif ($target eq 'edit') {
405: $result=&Apache::edit::tag_start($target,$token,"Foil");
406: my $level='-2';
407: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
408: my @opt;
409: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
410: $result.=&Apache::edit::text_arg('Name:','name',$token);
411: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
412: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
413: } elsif ($target eq 'modified') {
414: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
415: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
416: }
417: if ($target eq 'tex') {$result .= '\item ';}
418: return $result;
419: }
420:
421: sub end_foil {
422: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
423: my $text ='';
424: my $result = '';
425: if ($target eq 'web' || $target eq 'tex') {
426: $text=&Apache::lonxml::endredirection;
427: }
428: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
429: || $target eq 'tex' || $target eq 'analyze') {
430: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
431: if ($value ne 'unused') {
432: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
433: &Apache::lonxml::debug("Got a name of :$name:");
434: if (!$name) { $name=$Apache::lonxml::curdepth; }
435: &Apache::lonxml::debug("Using a name of :$name:");
436: if ( $Apache::optionresponse::conceptgroup
437: && !&Apache::response::showallfoils() ) {
438: push @{ $Apache::response::conceptgroup{'names'} }, $name;
439: $Apache::response::conceptgroup{"$name.value"} = $value;
440: $Apache::response::conceptgroup{"$name.text"} = $text;
441: } else {
442: push @{ $Apache::response::foilgroup{'names'} }, $name;
443: $Apache::response::foilgroup{"$name.value"} = $value;
444: $Apache::response::foilgroup{"$name.text"} = $text;
445: }
446: }
447: }
448: if ($target eq 'edit') {
449: $result.= &Apache::edit::tag_end($target,$token,'');
450: }
451: return $result;
452: }
453:
454: sub insert_foil {
455: return '
456: <foil name="" value="unused">
457: <startouttext />
458: <endouttext />
459: </foil>';
460: }
461: 1;
462: __END__
463:
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