Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.75
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.75 ! sakharuk 4: # $Id: radiobuttonresponse.pm,v 1.74 2003/10/13 19:25:30 albertel Exp $
1.31 albertel 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: #
1.22 albertel 28: # 2/21 Guy
1.1 albertel 29:
30: package Apache::radiobuttonresponse;
31: use strict;
1.42 albertel 32: use HTML::Entities();
1.1 albertel 33:
1.36 harris41 34: BEGIN {
1.22 albertel 35: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 36: }
37:
38: sub start_radiobuttonresponse {
1.22 albertel 39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.26 albertel 40: my $result;
1.3 albertel 41: #when in a radiobutton response use these
1.22 albertel 42: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26 albertel 43: push (@Apache::lonxml::namespace,'radiobuttonresponse');
1.4 albertel 44: my $id = &Apache::response::start_response($parstack,$safeeval);
1.58 albertel 45: %Apache::hint::radiobutton=();
1.25 albertel 46: if ($target eq 'meta') {
47: $result=&Apache::response::meta_package_write('radiobuttonresponse');
1.26 albertel 48: } elsif ($target eq 'edit' ) {
49: $result.=&Apache::edit::start_table($token).
1.35 matthew 50: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
1.26 albertel 51: &Apache::edit::deletelist($target,$token)
1.35 matthew 52: ."</td><td> ".&Apache::edit::end_row()
53: .&Apache::edit::start_spanning_row();
54:
1.47 albertel 55: $result.=
56: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
57: &Apache::edit::select_arg('Randomize Foil Order','randomize',
58: ['yes','no'],$token).
59: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
1.26 albertel 60: } elsif ($target eq 'modified') {
61: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.47 albertel 62: $safeeval,'max','randomize');
1.26 albertel 63: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 sakharuk 64: } elsif ($target eq 'tex') {
1.70 sakharuk 65: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,undef,0);
66: if ($type eq '1') {
67: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
68: } elsif ($type eq 'A') {
69: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
70: } elsif ($type eq 'a') {
71: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
72: } elsif ($type eq 'i') {
73: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
74: }
1.38 sakharuk 75: $result .= '\begin{enumerate}';
1.25 albertel 76: }
77: return $result;
1.1 albertel 78: }
79:
80: sub end_radiobuttonresponse {
1.26 albertel 81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
82: my $result;
83: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.38 sakharuk 84: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
1.22 albertel 85: &Apache::response::end_response;
1.26 albertel 86: pop @Apache::lonxml::namespace;
1.33 albertel 87: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26 albertel 88: return $result;
1.1 albertel 89: }
90:
1.43 albertel 91: %Apache::response::foilgroup=();
1.1 albertel 92: sub start_foilgroup {
1.56 sakharuk 93: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
94: my $result;
1.43 albertel 95: %Apache::response::foilgroup=();
1.22 albertel 96: $Apache::radiobuttonresponse::conceptgroup=0;
97: &Apache::response::setrandomnumber();
1.56 sakharuk 98: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
99: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
100: }
101: return $result;
1.5 albertel 102: }
103:
1.15 albertel 104: sub storesurvey {
1.33 albertel 105: if ( !defined($ENV{'form.submitted'})) { return ''; }
1.68 albertel 106: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.33 albertel 107: &Apache::lonxml::debug("Here I am!:$response:");
108: if ( $response !~ /[0-9]+/) { return ''; }
109: my $id = $Apache::inputtags::response['-1'];
110: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
111: my %responsehash;
112: $responsehash{$whichfoils[$response]}=$response;
113: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
114: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
115: &Apache::lonxml::debug("submitted a $response<br />\n");
1.22 albertel 116: return '';
1.15 albertel 117: }
118:
1.32 albertel 119: sub grade_response {
1.49 albertel 120: my ($max,$randomize)=@_;
1.55 albertel 121: #keep the random numbers the same must always call this
122: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32 albertel 123: if (!defined($ENV{'form.submitted'})) { return; }
1.65 albertel 124: my $response;
125: if ($ENV{'form.submitted'} eq 'scantron') {
1.69 albertel 126: $response=&Apache::response::getresponse();
1.65 albertel 127: } else {
1.68 albertel 128: $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.65 albertel 129: }
1.32 albertel 130: if ( $response !~ /[0-9]+/) { return; }
131: my $part=$Apache::inputtags::part;
132: my $id = $Apache::inputtags::response['-1'];
133: my %responsehash;
134: $responsehash{$whichfoils[$response]}=$response;
135: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
136: my %previous=&Apache::response::check_for_previous($responsestr,
137: $part,$id);
138: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
139: $responsestr;
140: &Apache::lonxml::debug("submitted a $response<br />\n");
141: my $ad;
142: if ($response == $answer) {
143: $ad='EXACT_ANS';
144: } else {
145: $ad='INCORRECT';
146: }
147: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
148: &Apache::response::handle_previous(\%previous,$ad);
149: }
150:
1.1 albertel 151: sub end_foilgroup {
1.22 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 153:
1.22 albertel 154: my $result;
1.38 sakharuk 155: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29 albertel 156: my $style = $Apache::lonhomework::type;
1.22 albertel 157: if ( $style eq 'survey' ) {
1.38 sakharuk 158: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22 albertel 159: $result=&displayallfoils();
160: } elsif ( $target eq 'grade' ) {
161: $result=&storesurvey();
162: }
163: } else {
164: my $name;
1.49 albertel 165: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47 albertel 166: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
167: $safeeval,'-2');
1.38 sakharuk 168: if ($target eq 'web' || $target eq 'tex') {
1.49 albertel 169: $result=&displayfoils($target,$max,$randomize);
1.28 albertel 170: } elsif ($target eq 'answer' ) {
1.49 albertel 171: $result=&displayanswers($max,$randomize);
1.22 albertel 172: } elsif ( $target eq 'grade') {
1.49 albertel 173: &grade_response($max,$randomize);
1.22 albertel 174: }
1.5 albertel 175: }
1.65 albertel 176: }
1.75 ! sakharuk 177: if ($target ne 'answer') {&Apache::lonxml::increment_counter();}
1.22 albertel 178: return $result;
1.6 albertel 179: }
180:
181: sub getfoilcounts {
1.34 albertel 182: my @names;
1.22 albertel 183: my $truecnt=0;
184: my $falsecnt=0;
185: my $name;
1.34 albertel 186: if ( $Apache::response::foilgroup{'names'} ) {
187: @names= @{ $Apache::response::foilgroup{'names'} };
188: }
1.22 albertel 189: foreach $name (@names) {
190: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
191: $truecnt++;
192: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
193: $falsecnt++;
1.6 albertel 194: }
1.22 albertel 195: }
1.50 albertel 196: return ($truecnt,$falsecnt);
1.5 albertel 197: }
198:
1.15 albertel 199: sub displayallfoils {
1.22 albertel 200: my $result;
201: &Apache::lonxml::debug("survey style display");
202: my @names = @{ $Apache::response::foilgroup{'names'} };
203: my $temp=0;
204: my $id=$Apache::inputtags::response['-1'];
205: my $part=$Apache::inputtags::part;
206: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32 albertel 207: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.73 albertel 208: if (&Apache::response::show_answer() ) {
1.45 albertel 209: foreach my $name (@names) {
210: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
211: $result.="<br />".$Apache::response::foilgroup{$name.'.value'};
212: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
213: $result.='<b>';
214: }
215: $result .= $Apache::response::foilgroup{$name.'.text'};
216: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
217: $result.='</b>';
218: }
219: }
220: }
221: } else {
222: foreach my $name (@names) {
223: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.68 albertel 224: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.45 albertel 225: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
226: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
227: $temp++;
228: }
1.15 albertel 229: }
1.22 albertel 230: }
231: return $result;
1.15 albertel 232: }
233:
1.28 albertel 234: sub whichfoils {
1.49 albertel 235: my ($max,$randomize)=@_;
1.28 albertel 236:
1.22 albertel 237: my @truelist;
238: my @falselist;
1.41 albertel 239: my @whichfalse =();
1.50 albertel 240: my ($truecnt,$falsecnt) = &getfoilcounts();
1.49 albertel 241: my $count=0;
242: # we will add in 1 of the true statements
243: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51 albertel 244: my $answer=int(&Math::Random::random_uniform() * ($count));
1.49 albertel 245: &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34 albertel 246: my @names;
247: if ( $Apache::response::foilgroup{'names'} ) {
1.49 albertel 248: @names= @{ $Apache::response::foilgroup{'names'} };
1.34 albertel 249: }
1.41 albertel 250: if (&Apache::response::showallfoils()) {
1.49 albertel 251: @whichfalse=@names;
1.48 albertel 252: } elsif ($randomize eq 'no') {
1.47 albertel 253: &Apache::lonxml::debug("No randomization");
254: my $havetrue=0;
255: foreach my $name (@names) {
256: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49 albertel 257: if (!$havetrue ) {
258: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
259: }
1.47 albertel 260: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
261: push (@whichfalse,$name);
262: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
263: } else {
264: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
265: }
266: }
1.41 albertel 267: } else {
1.49 albertel 268: my $current=0;
269: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
270: my (%top,%bottom);
271: #first find out where everyone wants to be
1.41 albertel 272: foreach my $name (@names) {
1.49 albertel 273: $current++;
274: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
275: push (@truelist,$name);
276: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
277: $top{$name}=$current;
278: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
279: $bottom{$name}=$current;
280: }
281: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
282: push (@falselist,$name);
283: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
284: $top{$name}=$current;
285: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
286: $bottom{$name}=$current;
287: }
288: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
289: } else {
290: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
291: }
1.41 albertel 292: }
1.49 albertel 293: #pick a true statement
1.72 albertel 294: my $notrue=0;
295: if (scalar(@truelist) == 0) { $notrue=1; }
1.51 albertel 296: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41 albertel 297: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49 albertel 298: my (@toplist, @bottomlist);
299: my $topcount=0;
1.71 albertel 300: my $bottomcount=0;
1.49 albertel 301: # assign everyone to either toplist/bottomlist or whichfalse
302: # which false is randomized, toplist bottomlist are in order
1.71 albertel 303: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
1.49 albertel 304: &Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51 albertel 305: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49 albertel 306: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
307: $afalse=splice(@falselist,$afalse,1);
308: &Apache::lonxml::debug("Picked $afalse");
309: &Apache::lonhomework::showhash(('names'=>\@names));
310: &Apache::lonhomework::showhash(%top);
311: if ($top{$afalse}) {
312: $toplist[$top{$afalse}]=$afalse;
313: $topcount++;
314: } elsif ($bottom{$afalse}) {
315: $bottomlist[$bottom{$afalse}]=$afalse;
1.71 albertel 316: $bottomcount++;
1.49 albertel 317: } else {
318: push (@whichfalse,$afalse);
319: }
320: }
1.71 albertel 321: &Apache::lonxml::debug("Answer wants $answer");
1.49 albertel 322: my $truename=$truelist[$whichtrue];
323: my $dosplice=1;
1.72 albertel 324: if ($notrue) {
325: $dosplice=0;
326: &Apache::lonxml::error("There are no true statements available.<br />");
327: }
1.49 albertel 328: #insert the true statement, keeping track of where it wants to be
1.72 albertel 329: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
1.49 albertel 330: $toplist[$top{$truename}]=$truename;
331: $answer=-1;
332: foreach my $top (reverse(@toplist)) {
333: if ($top) { $answer++;}
334: if ($top eq $truename) { last; }
335: }
336: $dosplice=0;
1.72 albertel 337: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
1.49 albertel 338: $bottomlist[$bottom{$truename}]=$truename;
339: $answer=-1;
340: foreach my $bot (@bottomlist) {
341: if ($bot) { $answer++;}
342: if ($bot eq $truename) { last; }
343: }
344: $answer+=$topcount+$#whichfalse+1;
345: $dosplice=0;
346: } else {
1.71 albertel 347: if ($topcount>0 || $bottomcount>0) {
348: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
349: + $topcount;
1.51 albertel 350: }
1.49 albertel 351: }
1.71 albertel 352: &Apache::lonxml::debug("Answer now wants $answer");
1.49 albertel 353: #add the top items to the top, bottom items to the bottom
354: for (my $i=0;$i<=$#toplist;$i++) {
355: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
356: }
357: for (my $i=0;$i<=$#bottomlist;$i++) {
358: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3 albertel 359: }
1.49 albertel 360: #if the true statement is randomized insert it into the list
361: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22 albertel 362: }
1.49 albertel 363: &Apache::lonxml::debug("Answer is $answer");
364: return ($answer,@whichfalse);
1.28 albertel 365: }
366:
367: sub displayfoils {
1.49 albertel 368: my ($target,$max,$randomize)=@_;
1.28 albertel 369: my $result;
370:
1.49 albertel 371: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.62 albertel 372: my $part=$Apache::inputtags::part;
373: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
374: if ( ($target ne 'tex') &&
1.73 albertel 375: &Apache::response::show_answer() ) {
1.28 albertel 376: foreach my $name (@whichfoils) {
1.38 sakharuk 377: if ($target ne 'tex') {
378: $result.="<br />";
1.44 sakharuk 379: } else {
1.61 sakharuk 380: $result.='\item \vskip -2 mm ';
1.38 sakharuk 381: }
1.22 albertel 382: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60 sakharuk 383: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
1.22 albertel 384: } else {
1.45 albertel 385: $result.='Incorrect:';
386: }
1.46 sakharuk 387: if ($target ne 'tex') {
388: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
389: } else {
390: $result.=$Apache::response::foilgroup{$name.'.text'};
391: }
1.45 albertel 392: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60 sakharuk 393: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
1.22 albertel 394: }
1.10 albertel 395: }
1.22 albertel 396: } else {
1.64 sakharuk 397: my @alphabet = ('A'..'Z');
1.56 sakharuk 398: my $i = 0;
1.54 sakharuk 399: my $temp=0;
1.22 albertel 400: my $id=$Apache::inputtags::response['-1'];
401: my $part=$Apache::inputtags::part;
402: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32 albertel 403: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28 albertel 404: foreach my $name (@whichfoils) {
1.38 sakharuk 405: if ($target ne 'tex') {
1.68 albertel 406: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.38 sakharuk 407: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
408: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
409: } else {
1.54 sakharuk 410: if ($Apache::lonhomework::type eq 'exam') {
1.58 albertel 411: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
1.56 sakharuk 412: $i++;
413: } else {
1.59 sakharuk 414: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
1.54 sakharuk 415: }
1.38 sakharuk 416: }
1.22 albertel 417: $temp++;
1.10 albertel 418: }
1.22 albertel 419: }
1.44 sakharuk 420: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39 albertel 421: return $result;
1.14 albertel 422: }
423:
1.28 albertel 424: sub displayanswers {
1.49 albertel 425: my ($max,$randomize)=@_;
426: my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28 albertel 427: my $result=&Apache::response::answer_header('radiobuttonresponse');
428: foreach my $name (@whichopt) {
429: $result.=&Apache::response::answer_part('radiobuttonresponse',
430: $Apache::response::foilgroup{$name.'.value'})
431: }
432: $result.=&Apache::response::answer_footer('radiobuttonresponse');
433: return $result;
434: }
435:
1.14 albertel 436: sub start_conceptgroup {
1.27 albertel 437: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22 albertel 438: $Apache::radiobuttonresponse::conceptgroup=1;
1.43 albertel 439: %Apache::response::conceptgroup=();
1.26 albertel 440: my $result;
441: if ($target eq 'edit') {
442: $result.=&Apache::edit::tag_start($target,$token);
443: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35 matthew 444: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26 albertel 445: } elsif ($target eq 'modified') {
446: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
447: $safeeval,'concept');
448: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
449: }
450: return $result;
1.14 albertel 451: }
452:
453: sub end_conceptgroup {
1.22 albertel 454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
455: $Apache::radiobuttonresponse::conceptgroup=0;
1.26 albertel 456: my $result;
1.38 sakharuk 457: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.27 albertel 458: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
459: my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51 albertel 460: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27 albertel 461: my $name=$names[$pick];
462: push @{ $Apache::response::foilgroup{'names'} }, $name;
463: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
464: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49 albertel 465: $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27 albertel 466: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
467: $Apache::response::foilgroup{"$name.concept"} = $concept;
468: &Apache::lonxml::debug("Selecting $name in $concept");
1.58 albertel 469: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
470: push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
471: $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
472: $Apache::response::conceptgroup{'names'};
1.27 albertel 473: }
1.26 albertel 474: } elsif ($target eq 'edit') {
475: $result=&Apache::edit::end_table();
1.22 albertel 476: }
1.26 albertel 477: return $result;
478: }
479:
480: sub insert_conceptgroup {
481: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
482: return $result;
1.1 albertel 483: }
484:
485: sub start_foil {
1.24 albertel 486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
487: my $result='';
1.38 sakharuk 488: if ($target eq 'web' || $target eq 'tex') {
1.27 albertel 489: &Apache::lonxml::startredirection;
490: } elsif ($target eq 'edit') {
491: $result=&Apache::edit::tag_start($target,$token);
492: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42 albertel 493: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28 albertel 494: ['unused','true','false'],$token);
1.51 albertel 495: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
496: $safeeval,'-3');
1.53 albertel 497: if ($randomize ne 'no') {
1.51 albertel 498: $result.=&Apache::edit::select_arg('Location:','location',
1.52 albertel 499: ['random','top','bottom'],$token);
1.51 albertel 500: }
1.35 matthew 501: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27 albertel 502: } elsif ($target eq 'modified') {
503: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48 albertel 504: 'value','name','location');
1.27 albertel 505: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 sakharuk 506: }
1.27 albertel 507: return $result;
1.1 albertel 508: }
509:
510: sub end_foil {
1.22 albertel 511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
512: my $text='';
1.38 sakharuk 513: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
514: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.19 albertel 515: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18 albertel 516: if ($value ne 'unused') {
1.19 albertel 517: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48 albertel 518: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27 albertel 519: if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41 albertel 520: if ( $Apache::radiobuttonresponse::conceptgroup
521: && !&Apache::response::showallfoils() ) {
1.18 albertel 522: push @{ $Apache::response::conceptgroup{'names'} }, $name;
523: $Apache::response::conceptgroup{"$name.value"} = $value;
524: $Apache::response::conceptgroup{"$name.text"} = $text;
1.48 albertel 525: $Apache::response::conceptgroup{"$name.location"} = $location;
1.18 albertel 526: } else {
527: push @{ $Apache::response::foilgroup{'names'} }, $name;
528: $Apache::response::foilgroup{"$name.value"} = $value;
529: $Apache::response::foilgroup{"$name.text"} = $text;
1.48 albertel 530: $Apache::response::foilgroup{"$name.location"} = $location;
1.18 albertel 531: }
532: }
1.4 albertel 533: }
1.1 albertel 534: return '';
535: }
536:
1.27 albertel 537: sub insert_foil {
538: return '
539: <foil name="" value="unused">
540: <startouttext />
541: <endouttext />
542: </foil>';
543: }
1.1 albertel 544: 1;
545: __END__
546:
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