Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.65
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.65 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.64 2003/04/02 15:09:00 sakharuk 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') {
65: $result .= '\begin{enumerate}';
1.25 albertel 66: }
67: return $result;
1.1 albertel 68: }
69:
70: sub end_radiobuttonresponse {
1.26 albertel 71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: my $result;
73: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.38 sakharuk 74: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
1.22 albertel 75: &Apache::response::end_response;
1.26 albertel 76: pop @Apache::lonxml::namespace;
1.33 albertel 77: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26 albertel 78: return $result;
1.1 albertel 79: }
80:
1.43 albertel 81: %Apache::response::foilgroup=();
1.1 albertel 82: sub start_foilgroup {
1.56 sakharuk 83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84: my $result;
1.43 albertel 85: %Apache::response::foilgroup=();
1.22 albertel 86: $Apache::radiobuttonresponse::conceptgroup=0;
87: &Apache::response::setrandomnumber();
1.56 sakharuk 88: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
89: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
90: }
91: return $result;
1.5 albertel 92: }
93:
1.15 albertel 94: sub storesurvey {
1.33 albertel 95: if ( !defined($ENV{'form.submitted'})) { return ''; }
96: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
97: &Apache::lonxml::debug("Here I am!:$response:");
98: if ( $response !~ /[0-9]+/) { return ''; }
99: my $id = $Apache::inputtags::response['-1'];
100: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
101: my %responsehash;
102: $responsehash{$whichfoils[$response]}=$response;
103: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
104: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
105: &Apache::lonxml::debug("submitted a $response<br />\n");
1.22 albertel 106: return '';
1.15 albertel 107: }
108:
1.32 albertel 109: sub grade_response {
1.49 albertel 110: my ($max,$randomize)=@_;
1.55 albertel 111: #keep the random numbers the same must always call this
112: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32 albertel 113: if (!defined($ENV{'form.submitted'})) { return; }
1.65 ! albertel 114: my $response;
! 115: if ($ENV{'form.submitted'} eq 'scantron') {
! 116: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,
! 117: 'H'=>7,'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,
! 118: 'O'=>14,'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,
! 119: 'V'=>21,'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
! 120: $response = $ENV{'scantron.'.$Apache::lonxml::counter.'.answer'};
! 121: $response = $let_to_num{$response};
! 122: } else {
! 123: $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
! 124: }
1.32 albertel 125: if ( $response !~ /[0-9]+/) { return; }
126: my $part=$Apache::inputtags::part;
127: my $id = $Apache::inputtags::response['-1'];
128: my %responsehash;
129: $responsehash{$whichfoils[$response]}=$response;
130: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
131: my %previous=&Apache::response::check_for_previous($responsestr,
132: $part,$id);
133: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
134: $responsestr;
135: &Apache::lonxml::debug("submitted a $response<br />\n");
136: my $ad;
137: if ($response == $answer) {
138: $ad='EXACT_ANS';
139: } else {
140: $ad='INCORRECT';
141: }
142: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
143: &Apache::response::handle_previous(\%previous,$ad);
144: }
145:
1.1 albertel 146: sub end_foilgroup {
1.22 albertel 147: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 148:
1.22 albertel 149: my $result;
1.38 sakharuk 150: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29 albertel 151: my $style = $Apache::lonhomework::type;
1.22 albertel 152: if ( $style eq 'survey' ) {
1.38 sakharuk 153: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22 albertel 154: $result=&displayallfoils();
155: } elsif ( $target eq 'grade' ) {
156: $result=&storesurvey();
157: }
158: } else {
159: my $name;
1.49 albertel 160: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47 albertel 161: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
162: $safeeval,'-2');
1.38 sakharuk 163: if ($target eq 'web' || $target eq 'tex') {
1.49 albertel 164: $result=&displayfoils($target,$max,$randomize);
1.28 albertel 165: } elsif ($target eq 'answer' ) {
1.49 albertel 166: $result=&displayanswers($max,$randomize);
1.22 albertel 167: } elsif ( $target eq 'grade') {
1.49 albertel 168: &grade_response($max,$randomize);
1.22 albertel 169: }
1.5 albertel 170: }
1.65 ! albertel 171: }
! 172: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
! 173: &Apache::lonxml::increment_counter();
1.22 albertel 174: }
175: return $result;
1.6 albertel 176: }
177:
178: sub getfoilcounts {
1.34 albertel 179: my @names;
1.22 albertel 180: my $truecnt=0;
181: my $falsecnt=0;
182: my $name;
1.34 albertel 183: if ( $Apache::response::foilgroup{'names'} ) {
184: @names= @{ $Apache::response::foilgroup{'names'} };
185: }
1.22 albertel 186: foreach $name (@names) {
187: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
188: $truecnt++;
189: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
190: $falsecnt++;
1.6 albertel 191: }
1.22 albertel 192: }
1.50 albertel 193: return ($truecnt,$falsecnt);
1.5 albertel 194: }
195:
1.15 albertel 196: sub displayallfoils {
1.22 albertel 197: my $result;
198: &Apache::lonxml::debug("survey style display");
199: my @names = @{ $Apache::response::foilgroup{'names'} };
200: my $temp=0;
201: my $id=$Apache::inputtags::response['-1'];
202: my $part=$Apache::inputtags::part;
203: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32 albertel 204: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.45 albertel 205: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
206: foreach my $name (@names) {
207: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
208: $result.="<br />".$Apache::response::foilgroup{$name.'.value'};
209: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
210: $result.='<b>';
211: }
212: $result .= $Apache::response::foilgroup{$name.'.text'};
213: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
214: $result.='</b>';
215: }
216: }
217: }
218: } else {
219: foreach my $name (@names) {
220: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
221: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
222: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
223: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
224: $temp++;
225: }
1.15 albertel 226: }
1.22 albertel 227: }
228: return $result;
1.15 albertel 229: }
230:
1.28 albertel 231: sub whichfoils {
1.49 albertel 232: my ($max,$randomize)=@_;
1.28 albertel 233:
1.22 albertel 234: my @truelist;
235: my @falselist;
1.41 albertel 236: my @whichfalse =();
1.50 albertel 237: my ($truecnt,$falsecnt) = &getfoilcounts();
1.49 albertel 238: my $count=0;
239: # we will add in 1 of the true statements
240: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51 albertel 241: my $answer=int(&Math::Random::random_uniform() * ($count));
1.49 albertel 242: &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34 albertel 243: my @names;
244: if ( $Apache::response::foilgroup{'names'} ) {
1.49 albertel 245: @names= @{ $Apache::response::foilgroup{'names'} };
1.34 albertel 246: }
1.41 albertel 247: if (&Apache::response::showallfoils()) {
1.49 albertel 248: @whichfalse=@names;
1.48 albertel 249: } elsif ($randomize eq 'no') {
1.47 albertel 250: &Apache::lonxml::debug("No randomization");
251: my $havetrue=0;
252: foreach my $name (@names) {
253: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49 albertel 254: if (!$havetrue ) {
255: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
256: }
1.47 albertel 257: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
258: push (@whichfalse,$name);
259: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
260: } else {
261: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
262: }
263: }
1.41 albertel 264: } else {
1.49 albertel 265: my $current=0;
266: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
267: my (%top,%bottom);
268: #first find out where everyone wants to be
1.41 albertel 269: foreach my $name (@names) {
1.49 albertel 270: $current++;
271: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
272: push (@truelist,$name);
273: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
274: $top{$name}=$current;
275: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
276: $bottom{$name}=$current;
277: }
278: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
279: push (@falselist,$name);
280: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
281: $top{$name}=$current;
282: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
283: $bottom{$name}=$current;
284: }
285: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
286: } else {
287: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
288: }
1.41 albertel 289: }
1.49 albertel 290: #pick a true statement
1.51 albertel 291: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41 albertel 292: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49 albertel 293: my (@toplist, @bottomlist);
294: my $topcount=0;
295: # assign everyone to either toplist/bottomlist or whichfalse
296: # which false is randomized, toplist bottomlist are in order
1.63 albertel 297: while ((($#whichfalse) < $max-2) && ($#falselist > -1)) {
1.49 albertel 298: &Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51 albertel 299: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49 albertel 300: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
301: $afalse=splice(@falselist,$afalse,1);
302: &Apache::lonxml::debug("Picked $afalse");
303: &Apache::lonhomework::showhash(('names'=>\@names));
304: &Apache::lonhomework::showhash(%top);
305: if ($top{$afalse}) {
306: $toplist[$top{$afalse}]=$afalse;
307: $topcount++;
308: } elsif ($bottom{$afalse}) {
309: $bottomlist[$bottom{$afalse}]=$afalse;
310: } else {
311: push (@whichfalse,$afalse);
312: }
313: }
314: my $truename=$truelist[$whichtrue];
315: my $dosplice=1;
316: #insert the true statement, keeping track of where it wants to be
317: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
318: $toplist[$top{$truename}]=$truename;
319: $answer=-1;
320: foreach my $top (reverse(@toplist)) {
321: if ($top) { $answer++;}
322: if ($top eq $truename) { last; }
323: }
324: $dosplice=0;
325: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
326: $bottomlist[$bottom{$truename}]=$truename;
327: $answer=-1;
328: foreach my $bot (@bottomlist) {
329: if ($bot) { $answer++;}
330: if ($bot eq $truename) { last; }
331: }
332: $answer+=$topcount+$#whichfalse+1;
333: $dosplice=0;
334: } else {
1.51 albertel 335: if ($topcount>0) {
336: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
337: + $topcount;
338: }
1.49 albertel 339: }
340: #add the top items to the top, bottom items to the bottom
341: for (my $i=0;$i<=$#toplist;$i++) {
342: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
343: }
344: for (my $i=0;$i<=$#bottomlist;$i++) {
345: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3 albertel 346: }
1.49 albertel 347: #if the true statement is randomized insert it into the list
348: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22 albertel 349: }
1.49 albertel 350: &Apache::lonxml::debug("Answer is $answer");
351: return ($answer,@whichfalse);
1.28 albertel 352: }
353:
354: sub displayfoils {
1.49 albertel 355: my ($target,$max,$randomize)=@_;
1.28 albertel 356: my $result;
357:
1.49 albertel 358: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.62 albertel 359: my $part=$Apache::inputtags::part;
360: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
361: my $status=$Apache::inputtags::status[-1];
362: if ( ($target ne 'tex') &&
363: (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) {
1.28 albertel 364: foreach my $name (@whichfoils) {
1.38 sakharuk 365: if ($target ne 'tex') {
366: $result.="<br />";
1.44 sakharuk 367: } else {
1.61 sakharuk 368: $result.='\item \vskip -2 mm ';
1.38 sakharuk 369: }
1.22 albertel 370: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60 sakharuk 371: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
1.22 albertel 372: } else {
1.45 albertel 373: $result.='Incorrect:';
374: }
1.46 sakharuk 375: if ($target ne 'tex') {
376: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
377: } else {
378: $result.=$Apache::response::foilgroup{$name.'.text'};
379: }
1.45 albertel 380: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60 sakharuk 381: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
1.22 albertel 382: }
1.10 albertel 383: }
1.22 albertel 384: } else {
1.64 sakharuk 385: my @alphabet = ('A'..'Z');
1.56 sakharuk 386: my $i = 0;
1.54 sakharuk 387: my $temp=0;
1.22 albertel 388: my $id=$Apache::inputtags::response['-1'];
389: my $part=$Apache::inputtags::part;
390: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32 albertel 391: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28 albertel 392: foreach my $name (@whichfoils) {
1.38 sakharuk 393: if ($target ne 'tex') {
1.64 sakharuk 394: my $ValueForInput;
395: if ($Apache::lonhomework::type ne 'exam') {$ValueForInput=$temp;} else {$ValueForInput=$alphabet[$temp];}
396: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$ValueForInput\" ";
1.38 sakharuk 397: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
398: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
399: } else {
1.54 sakharuk 400: if ($Apache::lonhomework::type eq 'exam') {
1.58 albertel 401: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
1.56 sakharuk 402: $i++;
403: } else {
1.59 sakharuk 404: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
1.54 sakharuk 405: }
1.38 sakharuk 406: }
1.22 albertel 407: $temp++;
1.10 albertel 408: }
1.22 albertel 409: }
1.44 sakharuk 410: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39 albertel 411: return $result;
1.14 albertel 412: }
413:
1.28 albertel 414: sub displayanswers {
1.49 albertel 415: my ($max,$randomize)=@_;
416: my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28 albertel 417: my $result=&Apache::response::answer_header('radiobuttonresponse');
418: foreach my $name (@whichopt) {
419: $result.=&Apache::response::answer_part('radiobuttonresponse',
420: $Apache::response::foilgroup{$name.'.value'})
421: }
422: $result.=&Apache::response::answer_footer('radiobuttonresponse');
423: return $result;
424: }
425:
1.14 albertel 426: sub start_conceptgroup {
1.27 albertel 427: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22 albertel 428: $Apache::radiobuttonresponse::conceptgroup=1;
1.43 albertel 429: %Apache::response::conceptgroup=();
1.26 albertel 430: my $result;
431: if ($target eq 'edit') {
432: $result.=&Apache::edit::tag_start($target,$token);
433: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35 matthew 434: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26 albertel 435: } elsif ($target eq 'modified') {
436: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
437: $safeeval,'concept');
438: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
439: }
440: return $result;
1.14 albertel 441: }
442:
443: sub end_conceptgroup {
1.22 albertel 444: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
445: $Apache::radiobuttonresponse::conceptgroup=0;
1.26 albertel 446: my $result;
1.38 sakharuk 447: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.27 albertel 448: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
449: my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51 albertel 450: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27 albertel 451: my $name=$names[$pick];
452: push @{ $Apache::response::foilgroup{'names'} }, $name;
453: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
454: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49 albertel 455: $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27 albertel 456: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
457: $Apache::response::foilgroup{"$name.concept"} = $concept;
458: &Apache::lonxml::debug("Selecting $name in $concept");
1.58 albertel 459: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
460: push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
461: $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
462: $Apache::response::conceptgroup{'names'};
1.27 albertel 463: }
1.26 albertel 464: } elsif ($target eq 'edit') {
465: $result=&Apache::edit::end_table();
1.22 albertel 466: }
1.26 albertel 467: return $result;
468: }
469:
470: sub insert_conceptgroup {
471: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
472: return $result;
1.1 albertel 473: }
474:
475: sub start_foil {
1.24 albertel 476: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
477: my $result='';
1.38 sakharuk 478: if ($target eq 'web' || $target eq 'tex') {
1.27 albertel 479: &Apache::lonxml::startredirection;
480: } elsif ($target eq 'edit') {
481: $result=&Apache::edit::tag_start($target,$token);
482: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42 albertel 483: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28 albertel 484: ['unused','true','false'],$token);
1.51 albertel 485: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
486: $safeeval,'-3');
1.53 albertel 487: if ($randomize ne 'no') {
1.51 albertel 488: $result.=&Apache::edit::select_arg('Location:','location',
1.52 albertel 489: ['random','top','bottom'],$token);
1.51 albertel 490: }
1.35 matthew 491: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27 albertel 492: } elsif ($target eq 'modified') {
493: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48 albertel 494: 'value','name','location');
1.27 albertel 495: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 sakharuk 496: }
1.27 albertel 497: return $result;
1.1 albertel 498: }
499:
500: sub end_foil {
1.22 albertel 501: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
502: my $text='';
1.38 sakharuk 503: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
504: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.19 albertel 505: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18 albertel 506: if ($value ne 'unused') {
1.19 albertel 507: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48 albertel 508: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27 albertel 509: if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41 albertel 510: if ( $Apache::radiobuttonresponse::conceptgroup
511: && !&Apache::response::showallfoils() ) {
1.18 albertel 512: push @{ $Apache::response::conceptgroup{'names'} }, $name;
513: $Apache::response::conceptgroup{"$name.value"} = $value;
514: $Apache::response::conceptgroup{"$name.text"} = $text;
1.48 albertel 515: $Apache::response::conceptgroup{"$name.location"} = $location;
1.18 albertel 516: } else {
517: push @{ $Apache::response::foilgroup{'names'} }, $name;
518: $Apache::response::foilgroup{"$name.value"} = $value;
519: $Apache::response::foilgroup{"$name.text"} = $text;
1.48 albertel 520: $Apache::response::foilgroup{"$name.location"} = $location;
1.18 albertel 521: }
522: }
1.4 albertel 523: }
1.1 albertel 524: return '';
525: }
526:
1.27 albertel 527: sub insert_foil {
528: return '
529: <foil name="" value="unused">
530: <startouttext />
531: <endouttext />
532: </foil>';
533: }
1.1 albertel 534: 1;
535: __END__
536:
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