1: # The LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.33 2002/01/25 16:12:18 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: }
57: if ($target eq 'modified') {
58: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
59: $safeeval,'max');
60: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
61: }
62: if ($target eq 'meta') {
63: $result=&Apache::response::meta_package_write('optionresponse');
64: }
65: # if ($target eq 'tex') {$result .= '\begin{itemize}';}
66: return $result;
67: }
68:
69: sub end_optionresponse {
70: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
71: &Apache::response::end_response;
72: pop @Apache::lonxml::namespace;
73: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
74: my $result;
75: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
76: # if ($target eq 'tex') {$result .= '\end{itemize}';}
77: return $result;
78: }
79:
80: %Apache::response::foilgroup={};
81: sub start_foilgroup {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83:
84: my $result='';
85: %Apache::response::foilgroup={};
86: $Apache::optionresponse::conceptgroup=0;
87: &Apache::response::setrandomnumber();
88: if ($target eq 'edit') {
89: my $optionlist="<option></option>\n";
90: my $option;
91: my @opt;
92: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
93: my $count=1;
94: foreach $option (@opt) {
95: $optionlist.="<option value=\"$count\">$option</option>\n";
96: $count++;
97: }
98: my $insertlist=&Apache::edit::insertlist($target,$token);
99: $result.=&Apache::edit::start_table($token);
100: $result.= (<<ENDTABLE);
101: <tr><td>Select Options</td>
102: <td>
103: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
104: </td>
105: <td>Delete an Option:
106: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
107: ENDTABLE
108: $result.= &Apache::edit::end_row();
109: $result.= &Apache::edit::start_spanning_row();
110: $result.= $insertlist.'<br />';
111: }
112: if ($target eq 'modified') {
113: my @options;
114: my $optchanged=0;
115: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
116: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
117: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
118: &Apache::lonxml::debug("Deleting :$delopt:");
119: splice(@options,$delopt-1,1);
120: $optchanged=1;
121: }
122: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
123: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
124: if ($options[0]) {
125: push(@options,$newopt);
126: } else {
127: $options[0]=$newopt;
128: }
129: $optchanged=1;
130: }
131: if ($optchanged) {
132: $result = "<foilgroup options=\"(";
133: foreach my $option (@options) {
134: $option=~s/\'/\\\'/;
135: &Apache::lonxml::debug("adding option :$option:");
136: $result .="'".$option."',";
137: }
138: chop $result;
139: $result.=')">';
140: } # else nothing changed so just use the default mechanism
141: }
142: if ($target eq 'tex') {$result .= '\begin{itemize}';}
143: return $result;
144: }
145:
146: sub end_foilgroup {
147: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
148:
149: my $result;
150: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
151: my $name;
152: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
153: if ($count>$max) { $count=$max }
154: &Apache::lonxml::debug("Count is $count from $max");
155: my @opt;
156: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
157: &Apache::lonxml::debug("Options are $#opt");
158: if ($target eq 'web' || $target eq 'tex') {
159: $result.=&displayfoils($target,$count,@opt);
160: } elsif ( $target eq 'answer') {
161: $result.=&displayanswers($count,@opt);
162: } elsif ( $target eq 'grade') {
163: if ( defined $ENV{'form.submitted'}) {
164: my @whichopt = &whichfoils($count);
165: my $temp=1;my $name;
166: my %responsehash;
167: my $right=0;
168: my $wrong=0;
169: my $ignored=0;
170: foreach $name (@whichopt) {
171: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
172: $responsehash{$name}=$response;
173: if ( $response =~ /[^\s]/) {
174: &Apache::lonxml::debug("submitted a $response<br />\n");
175: my $value=$Apache::response::foilgroup{$name.'.value'};
176: if ($value eq $response) {$right++;} else {$wrong++;}
177: } else {
178: $ignored++;
179: }
180: $temp++;
181: }
182: my $part=$Apache::inputtags::part;
183: my $id = $Apache::inputtags::response['-1'];
184: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
185: my %previous=&Apache::response::check_for_previous($responsestr,
186: $part,$id);
187: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
188: my $ad;
189: if ($wrong==0 && $ignored==0) {
190: $ad='EXACT_ANS';
191: } elsif ($wrong==0 && $right==0) {
192: #nothing submitted
193: } else {
194: $ad='INCORRECT';
195: }
196: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
197: $responsestr;
198: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
199: $ad;
200: &Apache::response::handle_previous(\%previous,$ad);
201: }
202: }
203: } elsif ($target eq 'edit') {
204: $result.=&Apache::edit::end_table();
205: }
206: if ($target eq 'tex') {$result .= '\end{itemize}';}
207: return $result;
208: }
209:
210: sub getfoilcounts {
211: my ($parstack,$safeeval)=@_;
212: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
213: # +1 since instructors will count from 1
214: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
215: return ($count,$max);
216: }
217:
218: sub whichfoils {
219: my ($max)=@_;
220: my @names = @{ $Apache::response::foilgroup{'names'} };
221: my @whichopt =();
222: while ((($#whichopt+1) < $max) && ($#names > -1)) {
223: &Apache::lonxml::debug("Have $#whichopt max is $max");
224: my $aopt=int(rand($#names+1));
225: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
226: $aopt=splice(@names,$aopt,1);
227: &Apache::lonxml::debug("Picked $aopt");
228: push (@whichopt,$aopt);
229: }
230: return @whichopt;
231: }
232:
233: sub displayanswers {
234: my ($max,@opt)=@_;
235: my @names = @{ $Apache::response::foilgroup{'names'} };
236: my @whichopt = &whichfoils($max);
237: my $result=&Apache::response::answer_header('optionresponse');
238: foreach my $name (@whichopt) {
239: $result.=&Apache::response::answer_part('optionresponse',
240: $Apache::response::foilgroup{$name.'.value'})
241: }
242: $result.=&Apache::response::answer_footer('optionresponse');
243: return $result;
244: }
245:
246: sub displayfoils {
247: my ($target,$max,@opt)=@_;
248: my @names = @{ $Apache::response::foilgroup{'names'} };
249: my @truelist;
250: my @falselist;
251: my $result;
252: my $name;
253: $Apache::optionresponse::displayoptionintex=0;
254: my @whichopt = &whichfoils($max);
255: my $part=$Apache::inputtags::part;
256: my $id=$Apache::inputtags::response[-1];
257: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
258: foreach $name (@whichopt) {
259: if ($target eq 'web') {
260: $result.="<br />";
261: } elsif ($target eq 'tex') {
262: $result.='\newline';
263: }
264: $result .=$Apache::response::foilgroup{$name.'.value'}.
265: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
266: }
267: } else {
268: my $temp=1;
269: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
270: foreach $name (@whichopt) {
271: my $lastopt=$lastresponse{$name};
272: my $optionlist="<option></option>\n";
273: my $option;
274: foreach $option (@opt) {
275: if ($option eq $lastopt) {
276: $optionlist.="<option selected=\"on\">$option</option>\n";
277: } else {
278: $optionlist.="<option>$option</option>\n";
279: }
280: }
281: if ($target ne 'tex') {
282: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
283: .$optionlist
284: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
285: $temp++;
286: } else {
287: if ($Apache::optionresponse::displayoptionintex == 0) {
288: my $durtyoptionlist = $optionlist;
289: $durtyoptionlist =~ s/<option><\/option>/\\item \[\] The possible answers are:/;
290: $durtyoptionlist =~ s/<option>/{\\bf /g;
291: $durtyoptionlist =~ s/<\/option>/},/g;
292: $durtyoptionlist =~ s/,$/\./g;
293: $result.= $durtyoptionlist.$Apache::response::foilgroup{$name.'.text'};
294: $Apache::optionresponse::displayoptionintex=1;
295: } else {
296: $result.= $Apache::response::foilgroup{$name.'.text'};
297: }
298: }
299: }
300: }
301: if ($target ne 'tex') {
302: return $result."<br />";
303: }
304: else {
305: return $result;
306: }
307: }
308:
309:
310: sub start_conceptgroup {
311: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
312: $Apache::optionresponse::conceptgroup=1;
313: %Apache::response::conceptgroup={};
314: my $result;
315: if ($target eq 'edit') {
316: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
317: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
318: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
319: }
320: if ($target eq 'modified') {
321: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
322: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
323: }
324: return $result;
325: }
326:
327: sub end_conceptgroup {
328: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
329: $Apache::optionresponse::conceptgroup=0;
330: my $result='';
331: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
332: || $target eq 'tex') {
333: #if not there aren't any foils to display and thus no question
334: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
335: my @names = @{ $Apache::response::conceptgroup{'names'} };
336: my $pick=int rand $#names+1;
337: my $name=$names[$pick];
338: push @{ $Apache::response::foilgroup{'names'} }, $name;
339: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
340: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
341: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
342: $Apache::response::foilgroup{"$name.concept"} = $concept;
343: &Apache::lonxml::debug("Selecting $name in $concept");
344: }
345: }
346: if ($target eq 'edit') {
347: $result=&Apache::edit::end_table();
348: }
349: return $result;
350: }
351:
352: sub insert_conceptgroup {
353: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
354: return $result;
355: }
356:
357: sub start_foil {
358: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
359: my $result='';
360: if ($target eq 'web' || $target eq 'tex') {
361: &Apache::lonxml::startredirection;
362: } elsif ($target eq 'edit') {
363: $result=&Apache::edit::tag_start($target,$token,"Foil");
364: my $level='-2';
365: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
366: my @opt;
367: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
368: $result.=&Apache::edit::text_arg('Name:','name',$token);
369: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
370: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
371: } elsif ($target eq 'modified') {
372: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
373: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
374: }
375: if ($target eq 'tex') {$result .= '\item ';}
376: return $result;
377: }
378:
379: sub end_foil {
380: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
381: my $text ='';
382: my $result = '';
383: if ($target eq 'web' || $target eq 'tex') {
384: $text=&Apache::lonxml::endredirection;
385: }
386: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
387: || $target eq 'tex') {
388: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
389: if ($value ne 'unused') {
390: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
391: &Apache::lonxml::debug("Got a name of :$name:");
392: if (!$name) { $name=$Apache::lonxml::curdepth; }
393: &Apache::lonxml::debug("Using a name of :$name:");
394: if ( $Apache::optionresponse::conceptgroup ) {
395: push @{ $Apache::response::conceptgroup{'names'} }, $name;
396: $Apache::response::conceptgroup{"$name.value"} = $value;
397: $Apache::response::conceptgroup{"$name.text"} = $text;
398: } else {
399: push @{ $Apache::response::foilgroup{'names'} }, $name;
400: $Apache::response::foilgroup{"$name.value"} = $value;
401: $Apache::response::foilgroup{"$name.text"} = $text;
402: }
403: }
404: }
405: if ($target eq 'edit') {
406: $result.= &Apache::edit::tag_end($target,$token,'');
407: }
408: return $result;
409: }
410:
411: sub insert_foil {
412: return '
413: <foil name="" value="unused">
414: <startouttext />
415: <endouttext />
416: </foil>';
417: }
418: 1;
419: __END__
420:
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