1: # The LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.30 2002/01/11 16:32:29 matthew 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: package Apache::optionresponse;
30: use strict;
31: use Apache::response;
32:
33: sub BEGIN {
34: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
35: }
36:
37: sub start_optionresponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
39: my $result='';
40: #when in a option response use these
41: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
42: push (@Apache::lonxml::namespace,'optionresponse');
43: my $id = &Apache::response::start_response($parstack,$safeeval);
44: if ($target eq 'edit') {
45: $result.=&Apache::edit::start_table($token).
46: "<tr><td>Multiple Option Response Question</td><td>Delete:".
47: &Apache::edit::deletelist($target,$token)
48: ."</td><td> ".
49: &Apache::edit::end_row().
50: &Apache::edit::start_spanning_row().
51: "\n";
52: $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').
53: &Apache::edit::end_row().
54: &Apache::edit::start_spanning_row();
55: }
56: if ($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: }
61: if ($target eq 'meta') {
62: $result=&Apache::response::meta_package_write('optionresponse');
63: }
64: return $result;
65: }
66:
67: sub end_optionresponse {
68: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
69: &Apache::response::end_response;
70: pop @Apache::lonxml::namespace;
71: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
72: my $result;
73: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
74: return $result;
75: }
76:
77: %Apache::response::foilgroup={};
78: sub start_foilgroup {
79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
80:
81: my $result='';
82: %Apache::response::foilgroup={};
83: $Apache::optionresponse::conceptgroup=0;
84: &Apache::response::setrandomnumber();
85: if ($target eq 'edit') {
86: my $optionlist="<option></option>\n";
87: my $option;
88: my @opt;
89: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
90: my $count=1;
91: foreach $option (@opt) {
92: $optionlist.="<option value=\"$count\">$option</option>\n";
93: $count++;
94: }
95: my $insertlist=&Apache::edit::insertlist($target,$token);
96: $result.=&Apache::edit::start_table($token);
97: $result.= (<<ENDTABLE);
98: <tr><td>Select Options</td>
99: <td>
100: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
101: </td>
102: <td>Delete an Option:
103: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
104: ENDTABLE
105: $result.= &Apache::edit::end_row();
106: $result.= &Apache::edit::start_spanning_row();
107: $result.= $insertlist.'<br />';
108: }
109: if ($target eq 'modified') {
110: my @options;
111: my $optchanged=0;
112: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
113: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
114: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
115: &Apache::lonxml::debug("Deleting :$delopt:");
116: splice(@options,$delopt-1,1);
117: $optchanged=1;
118: }
119: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
120: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
121: if ($options[0]) {
122: push(@options,$newopt);
123: } else {
124: $options[0]=$newopt;
125: }
126: $optchanged=1;
127: }
128: if ($optchanged) {
129: $result = "<foilgroup options=\"(";
130: foreach my $option (@options) {
131: $option=~s/\'/\\\'/;
132: &Apache::lonxml::debug("adding option :$option:");
133: $result .="'".$option."',";
134: }
135: chop $result;
136: $result.=')">';
137: } # else nothing changed so just use the default mechanism
138: }
139: return $result;
140: }
141:
142: sub end_foilgroup {
143: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
144:
145: my $result;
146: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
147: my $name;
148: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
149: if ($count>$max) { $count=$max }
150: &Apache::lonxml::debug("Count is $count from $max");
151: my @opt;
152: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
153: &Apache::lonxml::debug("Options are $#opt");
154: if ($target eq 'web') {
155: $result.=&displayfoils($count,@opt);
156: } elsif ( $target eq 'answer') {
157: $result.=&displayanswers($count,@opt);
158: } elsif ( $target eq 'grade') {
159: if ( defined $ENV{'form.submitted'}) {
160: my @whichopt = &whichfoils($count);
161: my $temp=1;my $name;
162: my %responsehash;
163: my $right=0;
164: my $wrong=0;
165: my $ignored=0;
166: foreach $name (@whichopt) {
167: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
168: $responsehash{$name}=$response;
169: if ( $response =~ /[^\s]/) {
170: &Apache::lonxml::debug("submitted a $response<br />\n");
171: my $value=$Apache::response::foilgroup{$name.'.value'};
172: if ($value eq $response) {$right++;} else {$wrong++;}
173: } else {
174: $ignored++;
175: }
176: $temp++;
177: }
178: my $part=$Apache::inputtags::part;
179: my $id = $Apache::inputtags::response['-1'];
180: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
181: my %previous=&Apache::response::check_for_previous($responsestr,
182: $part,$id);
183: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
184: my $ad;
185: if ($wrong==0 && $ignored==0) {
186: $ad='EXACT_ANS';
187: } elsif ($wrong==0 && $right==0) {
188: #nothing submitted
189: } else {
190: $ad='INCORRECT';
191: }
192: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
193: $responsestr;
194: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
195: $ad;
196: &Apache::response::handle_previous(\%previous,$ad);
197: }
198: }
199: } elsif ($target eq 'edit') {
200: $result.=&Apache::edit::end_table();
201: }
202: return $result;
203: }
204:
205: sub getfoilcounts {
206: my ($parstack,$safeeval)=@_;
207: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
208: # +1 since instructors will count from 1
209: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
210: return ($count,$max);
211: }
212:
213: sub whichfoils {
214: my ($max)=@_;
215: my @names = @{ $Apache::response::foilgroup{'names'} };
216: my @whichopt =();
217: while ((($#whichopt+1) < $max) && ($#names > -1)) {
218: &Apache::lonxml::debug("Have $#whichopt max is $max");
219: my $aopt=int(rand($#names+1));
220: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
221: $aopt=splice(@names,$aopt,1);
222: &Apache::lonxml::debug("Picked $aopt");
223: push (@whichopt,$aopt);
224: }
225: return @whichopt;
226: }
227:
228: sub displayanswers {
229: my ($max,@opt)=@_;
230: my @names = @{ $Apache::response::foilgroup{'names'} };
231: my @whichopt = &whichfoils($max);
232: my $result=&Apache::response::answer_header('optionresponse');
233: foreach my $name (@whichopt) {
234: $result.=&Apache::response::answer_part('optionresponse',
235: $Apache::response::foilgroup{$name.'.value'})
236: }
237: $result.=&Apache::response::answer_footer('optionresponse');
238: return $result;
239: }
240:
241: sub displayfoils {
242: my ($max,@opt)=@_;
243: my @names = @{ $Apache::response::foilgroup{'names'} };
244: my @truelist;
245: my @falselist;
246: my $result;
247: my $name;
248: my @whichopt = &whichfoils($max);
249: my $part=$Apache::inputtags::part;
250: my $id=$Apache::inputtags::response[-1];
251: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
252: foreach $name (@whichopt) {
253: $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
254: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
255: }
256: } else {
257: my $temp=1;
258: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
259: foreach $name (@whichopt) {
260: my $lastopt=$lastresponse{$name};
261: my $optionlist="<option></option>\n";
262: my $option;
263: foreach $option (@opt) {
264: if ($option eq $lastopt) {
265: $optionlist.="<option selected=\"on\">$option</option>\n";
266: } else {
267: $optionlist.="<option>$option</option>\n";
268: }
269: }
270: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
271: .$optionlist
272: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
273: $temp++;
274: }
275: }
276: return $result."<br />";
277: }
278:
279:
280: sub start_conceptgroup {
281: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
282: $Apache::optionresponse::conceptgroup=1;
283: %Apache::response::conceptgroup={};
284: my $result;
285: if ($target eq 'edit') {
286: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
287: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
288: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
289: }
290: if ($target eq 'modified') {
291: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
292: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
293: }
294: return $result;
295: }
296:
297: sub end_conceptgroup {
298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
299: $Apache::optionresponse::conceptgroup=0;
300: my $result='';
301: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
302: #if not there aren't any foils to display and thus no question
303: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
304: my @names = @{ $Apache::response::conceptgroup{'names'} };
305: my $pick=int rand $#names+1;
306: my $name=$names[$pick];
307: push @{ $Apache::response::foilgroup{'names'} }, $name;
308: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
309: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
310: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
311: $Apache::response::foilgroup{"$name.concept"} = $concept;
312: &Apache::lonxml::debug("Selecting $name in $concept");
313: }
314: }
315: if ($target eq 'edit') {
316: $result=&Apache::edit::end_table();
317: }
318: return $result;
319: }
320:
321: sub insert_conceptgroup {
322: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
323: return $result;
324: }
325:
326: sub start_foil {
327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
328: my $result='';
329: if ($target eq 'web') {
330: &Apache::lonxml::startredirection;
331: } elsif ($target eq 'edit') {
332: $result=&Apache::edit::tag_start($target,$token,"Foil");
333: my $level='-2';
334: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
335: my @opt;
336: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
337: $result.=&Apache::edit::text_arg('Name:','name',$token);
338: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
339: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
340: } elsif ($target eq 'modified') {
341: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
342: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
343: }
344: return $result;
345: }
346:
347: sub end_foil {
348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
349: my $text ='';
350: my $result = '';
351: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
352: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
353: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
354: if ($value ne 'unused') {
355: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
356: &Apache::lonxml::debug("Got a name of :$name:");
357: if (!$name) { $name=$Apache::lonxml::curdepth; }
358: &Apache::lonxml::debug("Using a name of :$name:");
359: if ( $Apache::optionresponse::conceptgroup ) {
360: push @{ $Apache::response::conceptgroup{'names'} }, $name;
361: $Apache::response::conceptgroup{"$name.value"} = $value;
362: $Apache::response::conceptgroup{"$name.text"} = $text;
363: } else {
364: push @{ $Apache::response::foilgroup{'names'} }, $name;
365: $Apache::response::foilgroup{"$name.value"} = $value;
366: $Apache::response::foilgroup{"$name.text"} = $text;
367: }
368: }
369: }
370: if ($target eq 'edit') {
371: $result.= &Apache::edit::tag_end($target,$token,'');
372: }
373: return $result;
374: }
375:
376: sub insert_foil {
377: return '
378: <foil name="" value="unused">
379: <startouttext />
380: <endouttext />
381: </foil>';
382: }
383: 1;
384: __END__
385:
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