1: # The LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.27 2001/12/04 15:17:56 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: 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 radiobutton 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> </td></tr><tr><td colspan=\"3\">\n";
49: $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').
50: "</td></tr>";
51: $result.="<tr><td colspan=\"3\">\n";
52: }
53: if ($target eq 'modified') {
54: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
55: $safeeval,'max');
56: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
57: }
58: if ($target eq 'meta') {
59: $result=&Apache::response::meta_package_write('optionresponse');
60: }
61: return $result;
62: }
63:
64: sub end_optionresponse {
65: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
66: &Apache::response::end_response;
67: pop @Apache::lonxml::namespace;
68: my $result;
69: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
70: return $result;
71: }
72:
73: %Apache::response::foilgroup={};
74: sub start_foilgroup {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
76:
77: my $result='';
78: %Apache::response::foilgroup={};
79: $Apache::optionresponse::conceptgroup=0;
80: &Apache::response::setrandomnumber();
81: if ($target eq 'edit') {
82: my $optionlist="<option></option>\n";
83: my $option;
84: my @opt;
85: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
86: my $count=1;
87: foreach $option (@opt) {
88: $optionlist.="<option value=\"$count\">$option</option>\n";
89: $count++;
90: }
91: my $insertlist=&Apache::edit::insertlist($target,$token);
92: $result.=&Apache::edit::start_table($token);
93: $result.= (<<ENDTABLE);
94: <tr><td>Select Options</td>
95: <td>
96: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
97: </td>
98: <td>Delete an Option:
99: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
100: </td>
101: </tr>
102: <tr><td colspan="3">$insertlist<br />
103: ENDTABLE
104: }
105: if ($target eq 'modified') {
106: my @options;
107: my $optchanged=0;
108: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
109: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
110: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
111: &Apache::lonxml::debug("Deleting :$delopt:");
112: splice(@options,$delopt-1,1);
113: $optchanged=1;
114: }
115: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
116: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
117: if ($options[0]) {
118: push(@options,$newopt);
119: } else {
120: $options[0]=$newopt;
121: }
122: $optchanged=1;
123: }
124: if ($optchanged) {
125: $result = "<foilgroup options=\"(";
126: foreach my $option (@options) {
127: $option=~s/\'/\\\'/;
128: &Apache::lonxml::debug("adding option :$option:");
129: $result .="'".$option."',";
130: }
131: chop $result;
132: $result.=')">';
133: } # else nothing changed so just use the default mechanism
134: }
135: return $result;
136: }
137:
138: sub end_foilgroup {
139: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
140:
141: my $result;
142: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
143: my $name;
144: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
145: if ($count>$max) { $count=$max }
146: &Apache::lonxml::debug("Count is $count from $max");
147: my @opt;
148: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
149: &Apache::lonxml::debug("Options are $#opt");
150: if ($target eq 'web') {
151: $result.=&displayfoils($count,@opt);
152: } elsif ( $target eq 'answer') {
153: $result.=&displayanswers($count,@opt);
154: } elsif ( $target eq 'grade') {
155: if ( defined $ENV{'form.submitted'}) {
156: my @whichopt = &whichfoils($count);
157: my $temp=1;my $name;
158: my %responsehash;
159: my $right=0;
160: my $wrong=0;
161: my $ignored=0;
162: foreach $name (@whichopt) {
163: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
164: $responsehash{$name}=$response;
165: if ( $response =~ /[^\s]/) {
166: &Apache::lonxml::debug("submitted a $response<br />\n");
167: my $value=$Apache::response::foilgroup{$name.'.value'};
168: if ($value eq $response) {$right++;} else {$wrong++;}
169: } else {
170: $ignored++;
171: }
172: $temp++;
173: }
174: my $id = $Apache::inputtags::response['-1'];
175: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
176: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
177: if ($wrong==0 && $ignored==0) {
178: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
179: } else {
180: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
181: }
182: }
183: }
184: } elsif ($target eq 'edit') {
185: $result.=&Apache::edit::end_table();
186: }
187: return $result;
188: }
189:
190: sub getfoilcounts {
191: my ($parstack,$safeeval)=@_;
192: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
193: # +1 since instructors will count from 1
194: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
195: return ($count,$max);
196: }
197:
198: sub whichfoils {
199: my ($max)=@_;
200: my @names = @{ $Apache::response::foilgroup{'names'} };
201: my @whichopt =();
202: while ((($#whichopt+1) < $max) && ($#names > -1)) {
203: &Apache::lonxml::debug("Have $#whichopt max is $max");
204: my $aopt=int(rand($#names+1));
205: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
206: $aopt=splice(@names,$aopt,1);
207: &Apache::lonxml::debug("Picked $aopt");
208: push (@whichopt,$aopt);
209: }
210: return @whichopt;
211: }
212:
213: sub displayanswers {
214: my ($max,@opt)=@_;
215: my @names = @{ $Apache::response::foilgroup{'names'} };
216: my @whichopt = &whichfoils($max);
217: my $result=&Apache::response::answer_header('optionresponse');
218: foreach my $name (@whichopt) {
219: $result.=&Apache::response::answer_part('optionresponse',
220: $Apache::response::foilgroup{$name.'.value'})
221: }
222: $result.=&Apache::response::answer_footer('optionresponse');
223: return $result;
224: }
225:
226: sub displayfoils {
227: my ($max,@opt)=@_;
228: my @names = @{ $Apache::response::foilgroup{'names'} };
229: my @truelist;
230: my @falselist;
231: my $result;
232: my $name;
233: my @whichopt = &whichfoils($max);
234: my $optionlist="<option></option>\n";
235: my $option;
236: foreach $option (@opt) {
237: $optionlist.="<option>$option</option>\n";
238: }
239: if (($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
240: foreach $name (@whichopt) {
241: $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
242: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
243: }
244: } else {
245: my $temp=1;
246: foreach $name (@whichopt) {
247: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
248: .$optionlist
249: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
250: $temp++;
251: }
252: }
253: return $result."<br />";
254: }
255:
256:
257: sub start_conceptgroup {
258: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
259: $Apache::optionresponse::conceptgroup=1;
260: %Apache::response::conceptgroup={};
261: my $result;
262: if ($target eq 'edit') {
263: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
264: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50')."</td></tr>";
265: $result.="<tr><td colspan=\"3\">\n";
266: }
267: if ($target eq 'modified') {
268: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
269: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
270: }
271: return $result;
272: }
273:
274: sub end_conceptgroup {
275: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
276: $Apache::optionresponse::conceptgroup=0;
277: my $result='';
278: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
279: #if not there aren't any foils to display and thus no question
280: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
281: my @names = @{ $Apache::response::conceptgroup{'names'} };
282: my $pick=int rand $#names+1;
283: my $name=$names[$pick];
284: push @{ $Apache::response::foilgroup{'names'} }, $name;
285: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
286: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
287: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
288: $Apache::response::foilgroup{"$name.concept"} = $concept;
289: &Apache::lonxml::debug("Selecting $name in $concept");
290: }
291: }
292: if ($target eq 'edit') {
293: $result=&Apache::edit::end_table();
294: }
295: return $result;
296: }
297:
298: sub insert_conceptgroup {
299: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
300: return $result;
301: }
302:
303: sub start_foil {
304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
305: my $result='';
306: if ($target eq 'web') {
307: &Apache::lonxml::startredirection;
308: } elsif ($target eq 'edit') {
309: $result=&Apache::edit::tag_start($target,$token,"Foil");
310: my $level='-2';
311: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
312: my @opt;
313: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
314: $result.=&Apache::edit::text_arg('Name:','name',$token);
315: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
316: $result .= '</td></tr><tr><td colspan="3">';
317: } elsif ($target eq 'modified') {
318: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
319: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
320: }
321: return $result;
322: }
323:
324: sub end_foil {
325: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
326: my $text ='';
327: my $result = '';
328: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
329: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
330: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
331: if ($value ne 'unused') {
332: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
333: &Apache::lonxml::debug("Got a name of :$name:");
334: if (!$name) { $name=$Apache::lonxml::curdepth; }
335: &Apache::lonxml::debug("Using a name of :$name:");
336: if ( $Apache::optionresponse::conceptgroup ) {
337: push @{ $Apache::response::conceptgroup{'names'} }, $name;
338: $Apache::response::conceptgroup{"$name.value"} = $value;
339: $Apache::response::conceptgroup{"$name.text"} = $text;
340: } else {
341: push @{ $Apache::response::foilgroup{'names'} }, $name;
342: $Apache::response::foilgroup{"$name.value"} = $value;
343: $Apache::response::foilgroup{"$name.text"} = $text;
344: }
345: }
346: }
347: if ($target eq 'edit') {
348: $result.= &Apache::edit::tag_end($target,$token,'');
349: }
350: return $result;
351: }
352:
353: sub insert_foil {
354: return '
355: <foil name="" value="unused">
356: <startouttext />
357: <endouttext />
358: </foil>';
359: }
360: 1;
361: __END__
362:
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