1: # The LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.29 2001/12/14 23:00:52 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 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> </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: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
69: my $result;
70: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
71: return $result;
72: }
73:
74: %Apache::response::foilgroup={};
75: sub start_foilgroup {
76: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
77:
78: my $result='';
79: %Apache::response::foilgroup={};
80: $Apache::optionresponse::conceptgroup=0;
81: &Apache::response::setrandomnumber();
82: if ($target eq 'edit') {
83: my $optionlist="<option></option>\n";
84: my $option;
85: my @opt;
86: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
87: my $count=1;
88: foreach $option (@opt) {
89: $optionlist.="<option value=\"$count\">$option</option>\n";
90: $count++;
91: }
92: my $insertlist=&Apache::edit::insertlist($target,$token);
93: $result.=&Apache::edit::start_table($token);
94: $result.= (<<ENDTABLE);
95: <tr><td>Select Options</td>
96: <td>
97: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
98: </td>
99: <td>Delete an Option:
100: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
101: </td>
102: </tr>
103: <tr><td colspan="3">$insertlist<br />
104: ENDTABLE
105: }
106: if ($target eq 'modified') {
107: my @options;
108: my $optchanged=0;
109: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
110: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
111: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
112: &Apache::lonxml::debug("Deleting :$delopt:");
113: splice(@options,$delopt-1,1);
114: $optchanged=1;
115: }
116: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
117: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
118: if ($options[0]) {
119: push(@options,$newopt);
120: } else {
121: $options[0]=$newopt;
122: }
123: $optchanged=1;
124: }
125: if ($optchanged) {
126: $result = "<foilgroup options=\"(";
127: foreach my $option (@options) {
128: $option=~s/\'/\\\'/;
129: &Apache::lonxml::debug("adding option :$option:");
130: $result .="'".$option."',";
131: }
132: chop $result;
133: $result.=')">';
134: } # else nothing changed so just use the default mechanism
135: }
136: return $result;
137: }
138:
139: sub end_foilgroup {
140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
141:
142: my $result;
143: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
144: my $name;
145: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
146: if ($count>$max) { $count=$max }
147: &Apache::lonxml::debug("Count is $count from $max");
148: my @opt;
149: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
150: &Apache::lonxml::debug("Options are $#opt");
151: if ($target eq 'web') {
152: $result.=&displayfoils($count,@opt);
153: } elsif ( $target eq 'answer') {
154: $result.=&displayanswers($count,@opt);
155: } elsif ( $target eq 'grade') {
156: if ( defined $ENV{'form.submitted'}) {
157: my @whichopt = &whichfoils($count);
158: my $temp=1;my $name;
159: my %responsehash;
160: my $right=0;
161: my $wrong=0;
162: my $ignored=0;
163: foreach $name (@whichopt) {
164: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
165: $responsehash{$name}=$response;
166: if ( $response =~ /[^\s]/) {
167: &Apache::lonxml::debug("submitted a $response<br />\n");
168: my $value=$Apache::response::foilgroup{$name.'.value'};
169: if ($value eq $response) {$right++;} else {$wrong++;}
170: } else {
171: $ignored++;
172: }
173: $temp++;
174: }
175: my $part=$Apache::inputtags::part;
176: my $id = $Apache::inputtags::response['-1'];
177: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
178: my %previous=&Apache::response::check_for_previous($responsestr,
179: $part,$id);
180: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
181: my $ad;
182: if ($wrong==0 && $ignored==0) {
183: $ad='EXACT_ANS';
184: } elsif ($wrong==0 && $right==0) {
185: #nothing submitted
186: } else {
187: $ad='INCORRECT';
188: }
189: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
190: $responsestr;
191: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
192: $ad;
193: &Apache::response::handle_previous(\%previous,$ad);
194: }
195: }
196: } elsif ($target eq 'edit') {
197: $result.=&Apache::edit::end_table();
198: }
199: return $result;
200: }
201:
202: sub getfoilcounts {
203: my ($parstack,$safeeval)=@_;
204: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
205: # +1 since instructors will count from 1
206: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
207: return ($count,$max);
208: }
209:
210: sub whichfoils {
211: my ($max)=@_;
212: my @names = @{ $Apache::response::foilgroup{'names'} };
213: my @whichopt =();
214: while ((($#whichopt+1) < $max) && ($#names > -1)) {
215: &Apache::lonxml::debug("Have $#whichopt max is $max");
216: my $aopt=int(rand($#names+1));
217: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
218: $aopt=splice(@names,$aopt,1);
219: &Apache::lonxml::debug("Picked $aopt");
220: push (@whichopt,$aopt);
221: }
222: return @whichopt;
223: }
224:
225: sub displayanswers {
226: my ($max,@opt)=@_;
227: my @names = @{ $Apache::response::foilgroup{'names'} };
228: my @whichopt = &whichfoils($max);
229: my $result=&Apache::response::answer_header('optionresponse');
230: foreach my $name (@whichopt) {
231: $result.=&Apache::response::answer_part('optionresponse',
232: $Apache::response::foilgroup{$name.'.value'})
233: }
234: $result.=&Apache::response::answer_footer('optionresponse');
235: return $result;
236: }
237:
238: sub displayfoils {
239: my ($max,@opt)=@_;
240: my @names = @{ $Apache::response::foilgroup{'names'} };
241: my @truelist;
242: my @falselist;
243: my $result;
244: my $name;
245: my @whichopt = &whichfoils($max);
246: my $part=$Apache::inputtags::part;
247: my $id=$Apache::inputtags::response[-1];
248: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
249: foreach $name (@whichopt) {
250: $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
251: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
252: }
253: } else {
254: my $temp=1;
255: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
256: foreach $name (@whichopt) {
257: my $lastopt=$lastresponse{$name};
258: my $optionlist="<option></option>\n";
259: my $option;
260: foreach $option (@opt) {
261: if ($option eq $lastopt) {
262: $optionlist.="<option selected=\"on\">$option</option>\n";
263: } else {
264: $optionlist.="<option>$option</option>\n";
265: }
266: }
267: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
268: .$optionlist
269: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
270: $temp++;
271: }
272: }
273: return $result."<br />";
274: }
275:
276:
277: sub start_conceptgroup {
278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
279: $Apache::optionresponse::conceptgroup=1;
280: %Apache::response::conceptgroup={};
281: my $result;
282: if ($target eq 'edit') {
283: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
284: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50')."</td></tr>";
285: $result.="<tr><td colspan=\"3\">\n";
286: }
287: if ($target eq 'modified') {
288: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
289: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
290: }
291: return $result;
292: }
293:
294: sub end_conceptgroup {
295: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
296: $Apache::optionresponse::conceptgroup=0;
297: my $result='';
298: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
299: #if not there aren't any foils to display and thus no question
300: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
301: my @names = @{ $Apache::response::conceptgroup{'names'} };
302: my $pick=int rand $#names+1;
303: my $name=$names[$pick];
304: push @{ $Apache::response::foilgroup{'names'} }, $name;
305: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
306: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
307: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
308: $Apache::response::foilgroup{"$name.concept"} = $concept;
309: &Apache::lonxml::debug("Selecting $name in $concept");
310: }
311: }
312: if ($target eq 'edit') {
313: $result=&Apache::edit::end_table();
314: }
315: return $result;
316: }
317:
318: sub insert_conceptgroup {
319: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
320: return $result;
321: }
322:
323: sub start_foil {
324: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
325: my $result='';
326: if ($target eq 'web') {
327: &Apache::lonxml::startredirection;
328: } elsif ($target eq 'edit') {
329: $result=&Apache::edit::tag_start($target,$token,"Foil");
330: my $level='-2';
331: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
332: my @opt;
333: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
334: $result.=&Apache::edit::text_arg('Name:','name',$token);
335: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
336: $result .= '</td></tr><tr><td colspan="3">';
337: } elsif ($target eq 'modified') {
338: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
339: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
340: }
341: return $result;
342: }
343:
344: sub end_foil {
345: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
346: my $text ='';
347: my $result = '';
348: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
349: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
350: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
351: if ($value ne 'unused') {
352: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
353: &Apache::lonxml::debug("Got a name of :$name:");
354: if (!$name) { $name=$Apache::lonxml::curdepth; }
355: &Apache::lonxml::debug("Using a name of :$name:");
356: if ( $Apache::optionresponse::conceptgroup ) {
357: push @{ $Apache::response::conceptgroup{'names'} }, $name;
358: $Apache::response::conceptgroup{"$name.value"} = $value;
359: $Apache::response::conceptgroup{"$name.text"} = $text;
360: } else {
361: push @{ $Apache::response::foilgroup{'names'} }, $name;
362: $Apache::response::foilgroup{"$name.value"} = $value;
363: $Apache::response::foilgroup{"$name.text"} = $text;
364: }
365: }
366: }
367: if ($target eq 'edit') {
368: $result.= &Apache::edit::tag_end($target,$token,'');
369: }
370: return $result;
371: }
372:
373: sub insert_foil {
374: return '
375: <foil name="" value="unused">
376: <startouttext />
377: <endouttext />
378: </foil>';
379: }
380: 1;
381: __END__
382:
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