Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.107
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.107 ! foxr 4: # $Id: radiobuttonresponse.pm,v 1.106 2006/03/27 21:18:16 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: #
1.1 albertel 28:
29: package Apache::radiobuttonresponse;
30: use strict;
1.42 albertel 31: use HTML::Entities();
1.85 albertel 32: use Apache::lonlocal;
1.100 albertel 33: use Apache::lonnet;
1.1 albertel 34:
1.107 ! foxr 35: my $exam_max_bubbles = 10;
! 36:
1.36 harris41 37: BEGIN {
1.83 albertel 38: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 39: }
40:
41: sub start_radiobuttonresponse {
1.83 albertel 42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $result;
44: #when in a radiobutton response use these
45: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
46: push (@Apache::lonxml::namespace,'radiobuttonresponse');
47: my $id = &Apache::response::start_response($parstack,$safeeval);
48: %Apache::hint::radiobutton=();
1.85 albertel 49: undef(%Apache::response::foilnames);
1.83 albertel 50: if ($target eq 'meta') {
51: $result=&Apache::response::meta_package_write('radiobuttonresponse');
52: } elsif ($target eq 'edit' ) {
53: $result.=&Apache::edit::start_table($token).
54: '<tr><td>'.&Apache::lonxml::description($token).
55: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
56: "</td><td>Delete:".
57: &Apache::edit::deletelist($target,$token)
58: ."</td><td> ".&Apache::edit::end_row()
59: .&Apache::edit::start_spanning_row();
60: $result.=
61: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
62: $token,'4').
63: &Apache::edit::select_arg('Randomize Foil Order','randomize',
64: ['yes','no'],$token).
1.103 albertel 65: &Apache::edit::select_arg('Display Direction','direction',
66: ['vertical','horizontal'],$token).
1.83 albertel 67: &Apache::edit::end_row().
68: &Apache::edit::start_spanning_row()."\n";
69: } elsif ($target eq 'modified') {
70: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
71: $safeeval,'max',
1.103 albertel 72: 'randomize','direction');
1.83 albertel 73: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
74: } elsif ($target eq 'tex') {
75: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
76: undef,0);
77: if ($type eq '1') {
78: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
79: } elsif ($type eq 'A') {
80: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
81: } elsif ($type eq 'a') {
82: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
83: } elsif ($type eq 'i') {
84: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 85: } else {
86: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 87: }
88: $result .= '\begin{enumerate}';
89: } elsif ($target eq 'analyze') {
90: my $part_id="$Apache::inputtags::part.$id";
91: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
92: }
93: return $result;
1.1 albertel 94: }
95:
96: sub end_radiobuttonresponse {
1.83 albertel 97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
98: my $result;
99: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
100: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
101: &Apache::response::end_response;
102: pop @Apache::lonxml::namespace;
103: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 104: undef(%Apache::response::foilnames);
1.83 albertel 105: return $result;
1.1 albertel 106: }
107:
1.43 albertel 108: %Apache::response::foilgroup=();
1.1 albertel 109: sub start_foilgroup {
1.83 albertel 110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
111: my $result;
112: %Apache::response::foilgroup=();
113: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 114: &Apache::response::pushrandomnumber();
1.83 albertel 115: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
116: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
117: }
118: return $result;
1.5 albertel 119: }
120:
1.15 albertel 121: sub storesurvey {
1.99 albertel 122: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 123: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 124: &Apache::lonxml::debug("Here I am!:$response:");
125: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 126: my $part = $Apache::inputtags::part;
1.83 albertel 127: my $id = $Apache::inputtags::response['-1'];
128: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
129: my %responsehash;
130: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 131: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
132: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
133: $responsestr;
134: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
135: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
136: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 137: &Apache::lonxml::debug("submitted a $response<br />\n");
138: return '';
1.15 albertel 139: }
140:
1.32 albertel 141: sub grade_response {
1.83 albertel 142: my ($max,$randomize)=@_;
143: #keep the random numbers the same must always call this
144: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.99 albertel 145: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 146: my $response;
1.100 albertel 147: if ($env{'form.submitted'} eq 'scantron') {
1.83 albertel 148: $response=&Apache::response::getresponse();
149: } else {
1.100 albertel 150: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 151: }
152: if ( $response !~ /[0-9]+/) { return; }
153: my $part=$Apache::inputtags::part;
154: my $id = $Apache::inputtags::response['-1'];
155: my %responsehash;
156: $responsehash{$whichfoils[$response]}=$response;
157: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
158: my %previous=&Apache::response::check_for_previous($responsestr,
159: $part,$id);
160: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
161: $responsestr;
162: &Apache::lonxml::debug("submitted a $response<br />\n");
163: my $ad;
164: if ($response == $answer) {
165: $ad='EXACT_ANS';
166: } else {
167: $ad='INCORRECT';
168: }
169: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
170: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 171: }
172:
1.1 albertel 173: sub end_foilgroup {
1.83 albertel 174: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 175:
1.83 albertel 176: my $result;
177: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
178: $target eq 'tex' || $target eq 'analyze') {
179: my $style = $Apache::lonhomework::type;
1.93 albertel 180: my $direction = &Apache::lonxml::get_param('direction',$parstack,
181: $safeeval,'-2');
1.83 albertel 182: if ( $style eq 'survey' && $target ne 'analyze') {
183: if ($target eq 'web' || $target eq 'tex') {
1.93 albertel 184: $result=&displayallfoils($direction);
1.83 albertel 185: } elsif ( $target eq 'answer' ) {
186: $result=&displayallanswers();
187: } elsif ( $target eq 'grade' ) {
188: $result=&storesurvey();
189: }
190: } else {
191: my $name;
192: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
193: '-2');
194: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
195: $safeeval,'-2');
196: if ($target eq 'web' || $target eq 'tex') {
1.90 albertel 197: $result=&displayfoils($target,$max,$randomize,$direction);
1.83 albertel 198: } elsif ($target eq 'answer' ) {
199: $result=&displayanswers($max,$randomize);
200: } elsif ( $target eq 'grade') {
201: &grade_response($max,$randomize);
202: } elsif ( $target eq 'analyze') {
203: my @shown = &whichfoils($max,$randomize);
204: &Apache::response::analyze_store_foilgroup(\@shown,
205: ['text','value','location']);
206: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
207: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
208: ('true','false'));
209: }
1.81 albertel 210: }
1.83 albertel 211: }
1.89 albertel 212: &Apache::response::poprandomnumber();
1.83 albertel 213: &Apache::lonxml::increment_counter();
214: return $result;
1.6 albertel 215: }
216:
217: sub getfoilcounts {
1.83 albertel 218: my @names;
219: my $truecnt=0;
220: my $falsecnt=0;
221: my $name;
222: if ( $Apache::response::foilgroup{'names'} ) {
223: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 224: }
1.83 albertel 225: foreach $name (@names) {
226: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
227: $truecnt++;
228: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
229: $falsecnt++;
230: }
231: }
232: return ($truecnt,$falsecnt);
1.5 albertel 233: }
234:
1.15 albertel 235: sub displayallfoils {
1.93 albertel 236: my ($direction)=@_;
1.83 albertel 237: my $result;
238: &Apache::lonxml::debug("survey style display");
1.106 albertel 239: my @names;
240: if ( $Apache::response::foilgroup{'names'} ) {
241: @names= @{ $Apache::response::foilgroup{'names'} };
242: }
1.83 albertel 243: my $temp=0;
244: my $id=$Apache::inputtags::response['-1'];
245: my $part=$Apache::inputtags::part;
246: my $lastresponse=
247: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 248: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 249: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
250: if (&Apache::response::show_answer() ) {
251: foreach my $name (@names) {
252: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 253: if ($direction eq 'horizontal') {
254: $result.="<td>";
255: } else {
256: $result.="<br />";
257: }
1.84 albertel 258: if (defined($lastresponse{$name})) {
1.83 albertel 259: $result.='<b>';
260: }
261: $result .= $Apache::response::foilgroup{$name.'.text'};
1.84 albertel 262: if (defined($lastresponse{$name})) {
1.83 albertel 263: $result.='</b>';
264: }
1.93 albertel 265: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 266: }
1.45 albertel 267: }
1.83 albertel 268: } else {
269: foreach my $name (@names) {
270: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 271: if ($direction eq 'horizontal') {
272: $result.="<td>";
273: } else {
274: $result.="<br />";
275: }
1.94 matthew 276: $result .= '<label>';
1.93 albertel 277: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 278: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 279: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}.
280: '</label>';
1.83 albertel 281: $temp++;
1.93 albertel 282: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 283: }
1.45 albertel 284: }
285: }
1.93 albertel 286: if ($direction eq 'horizontal') { $result.='</tr></table>'; }
1.83 albertel 287: return $result;
1.15 albertel 288: }
289:
1.28 albertel 290: sub whichfoils {
1.83 albertel 291: my ($max,$randomize)=@_;
1.28 albertel 292:
1.83 albertel 293: my @truelist;
294: my @falselist;
295: my @whichfalse =();
296: my ($truecnt,$falsecnt) = &getfoilcounts();
297: my $count=0;
298: # we will add in 1 of the true statements
1.104 albertel 299: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 300: my $answer=int(&Math::Random::random_uniform() * ($count));
301: &Apache::lonxml::debug("Count is $count, $answer is $answer");
302: my @names;
303: if ( $Apache::response::foilgroup{'names'} ) {
304: @names= @{ $Apache::response::foilgroup{'names'} };
305: }
306: if (&Apache::response::showallfoils()) {
307: @whichfalse=@names;
308: } elsif ($randomize eq 'no') {
309: &Apache::lonxml::debug("No randomization");
310: my $havetrue=0;
311: foreach my $name (@names) {
312: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
313: if (!$havetrue ) {
314: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
315: }
316: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
317: push (@whichfalse,$name);
318: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
319: } else {
1.87 albertel 320: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 321: }
322: }
1.97 albertel 323: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
324: &Apache::lonxml::error("There are no true statements available.<br />");
325: }
1.83 albertel 326: } else {
327: my $current=0;
328: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
329: my (%top,%bottom);
330: #first find out where everyone wants to be
331: foreach my $name (@names) {
332: $current++;
333: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
334: push (@truelist,$name);
335: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
336: $top{$name}=$current;
337: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
338: $bottom{$name}=$current;
339: }
340: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
341: push (@falselist,$name);
342: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
343: $top{$name}=$current;
344: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
345: $bottom{$name}=$current;
346: }
347: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
348: } else {
1.87 albertel 349: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 350: }
351: }
352: #pick a true statement
353: my $notrue=0;
354: if (scalar(@truelist) == 0) { $notrue=1; }
355: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
356: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
357: my (@toplist, @bottomlist);
358: my $topcount=0;
359: my $bottomcount=0;
360: # assign everyone to either toplist/bottomlist or whichfalse
361: # which false is randomized, toplist bottomlist are in order
362: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
363: &Apache::lonxml::debug("Have $#whichfalse max is $max");
364: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
365: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
366: $afalse=splice(@falselist,$afalse,1);
367: &Apache::lonxml::debug("Picked $afalse");
368: &Apache::lonhomework::showhash(('names'=>\@names));
369: &Apache::lonhomework::showhash(%top);
370: if ($top{$afalse}) {
371: $toplist[$top{$afalse}]=$afalse;
372: $topcount++;
373: } elsif ($bottom{$afalse}) {
374: $bottomlist[$bottom{$afalse}]=$afalse;
375: $bottomcount++;
376: } else {
377: push (@whichfalse,$afalse);
378: }
379: }
380: &Apache::lonxml::debug("Answer wants $answer");
381: my $truename=$truelist[$whichtrue];
382: my $dosplice=1;
383: if ($notrue && $Apache::lonhomework::type ne 'survey') {
384: $dosplice=0;
385: &Apache::lonxml::error("There are no true statements available.<br />");
386: }
387: #insert the true statement, keeping track of where it wants to be
388: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
389: $toplist[$top{$truename}]=$truename;
390: $answer=-1;
391: foreach my $top (reverse(@toplist)) {
392: if ($top) { $answer++;}
393: if ($top eq $truename) { last; }
1.49 albertel 394: }
1.83 albertel 395: $dosplice=0;
396: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
397: $bottomlist[$bottom{$truename}]=$truename;
398: $answer=-1;
399: foreach my $bot (@bottomlist) {
400: if ($bot) { $answer++;}
401: if ($bot eq $truename) { last; }
1.49 albertel 402: }
1.83 albertel 403: $answer+=$topcount+$#whichfalse+1;
404: $dosplice=0;
1.49 albertel 405: } else {
1.83 albertel 406: if ($topcount>0 || $bottomcount>0) {
407: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
408: + $topcount;
409: }
410: }
411: &Apache::lonxml::debug("Answer now wants $answer");
412: #add the top items to the top, bottom items to the bottom
413: for (my $i=0;$i<=$#toplist;$i++) {
414: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 415: }
1.83 albertel 416: for (my $i=0;$i<=$#bottomlist;$i++) {
417: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 418: }
1.83 albertel 419: #if the true statement is randomized insert it into the list
420: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 421: }
1.83 albertel 422: &Apache::lonxml::debug("Answer is $answer");
423: return ($answer,@whichfalse);
1.28 albertel 424: }
425:
426: sub displayfoils {
1.90 albertel 427: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 428: my $result;
1.28 albertel 429:
1.83 albertel 430: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 431: my $part=$Apache::inputtags::part;
1.83 albertel 432: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
433: if ( ($target ne 'tex') &&
434: &Apache::response::show_answer() ) {
1.90 albertel 435: if ($direction eq 'horizontal') {
436: if ($target ne 'tex') {
437: $result.='<table><tr>';
438: }
439: }
1.83 albertel 440: foreach my $name (@whichfoils) {
1.90 albertel 441: if ($direction eq 'horizontal') {
442: if ($target ne 'tex') { $result.='<td>'; }
443: }
1.83 albertel 444: if ($target ne 'tex') {
445: $result.="<br />";
446: } else {
447: $result.='\item \vskip -2 mm ';
448: }
449: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
450: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
451: } else {
452: $result.='Incorrect:';
453: }
1.94 matthew 454: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 455: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 456: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 457: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
458: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
459: }
1.90 albertel 460: if ($direction eq 'horizontal') {
461: if ($target ne 'tex') { $result.='</td>'; }
462: }
463: }
464: if ($direction eq 'horizontal') {
465: if ($target ne 'tex') {
466: $result.='</tr></table>';
467: }
1.83 albertel 468: }
469: } else {
470: my @alphabet = ('A'..'Z');
471: my $i = 0;
472: my $temp=0;
473: my $id=$Apache::inputtags::response['-1'];
474: my $part=$Apache::inputtags::part;
475: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
476: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 477: if ($target ne 'tex' && $direction eq 'horizontal') {
478: $result.="<table><tr>";
479: }
1.83 albertel 480: foreach my $name (@whichfoils) {
481: if ($target ne 'tex') {
1.90 albertel 482: if ($direction eq 'horizontal') {
483: $result.="<td>";
484: } else {
485: $result.="<br />";
486: }
487: }
488: if ($target ne 'tex') {
1.94 matthew 489: $result.= '<label>';
1.90 albertel 490: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 491: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 492: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 493: } else {
494: if ($Apache::lonhomework::type eq 'exam') {
1.107 ! foxr 495:
! 496: # If necessary, start a new group of bubbles
! 497: # in the next row on the scantron sheet:
! 498: #
! 499: if ($i >= $exam_max_bubbles) {
! 500: $i = 0; # Back to A.
! 501: $Apache::lonxml::counter++; # Next row of bubbles...
! 502: $result .= '\item[\textbf{'.$Apache::lonxml::counter.'}.]';
! 503: }
! 504:
1.83 albertel 505: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
506: $i++;
1.107 ! foxr 507:
1.83 albertel 508: } else {
509: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
510: }
511: }
1.90 albertel 512: if ($target ne 'tex' && $direction eq 'horizontal') {
513: $result.="</td>";
514: }
1.83 albertel 515: $temp++;
516: }
1.90 albertel 517: if ($target ne 'tex' && $direction eq 'horizontal') {
518: $result.="</tr></table>";
519: }
1.83 albertel 520: }
1.92 albertel 521: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 522: return $result;
1.81 albertel 523: }
524:
525: sub displayallanswers {
1.106 albertel 526: my @names;
527: if ( $Apache::response::foilgroup{'names'} ) {
528: @names= @{ $Apache::response::foilgroup{'names'} };
529: }
1.81 albertel 530:
531: my $result=&Apache::response::answer_header('radiobuttonresponse');
532: foreach my $name (@names) {
533: $result.=&Apache::response::answer_part('radiobuttonresponse',
534: $Apache::response::foilgroup{$name.'.value'});
535: }
536: $result.=&Apache::response::answer_footer('radiobuttonresponse');
537: return $result;
1.14 albertel 538: }
539:
1.28 albertel 540: sub displayanswers {
1.83 albertel 541: my ($max,$randomize)=@_;
542: my ($answer,@whichopt) = &whichfoils($max,$randomize);
543: my $result=&Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 544: if ($Apache::lonhomework::type eq 'exam') {
545: my $correct = ('A'..'Z')[$answer];
546: $result.=&Apache::response::answer_part('radiobuttonresponse',
547: $correct);
548: }
1.83 albertel 549: foreach my $name (@whichopt) {
550: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 551: $Apache::response::foilgroup{$name.'.value'});
552: }
1.83 albertel 553: $result.=&Apache::response::answer_footer('radiobuttonresponse');
554: return $result;
1.28 albertel 555: }
556:
1.14 albertel 557: sub start_conceptgroup {
1.83 albertel 558: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
559: $Apache::radiobuttonresponse::conceptgroup=1;
560: %Apache::response::conceptgroup=();
561: my $result;
562: if ($target eq 'edit') {
563: $result.=&Apache::edit::tag_start($target,$token);
564: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
565: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
566: } elsif ($target eq 'modified') {
567: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
568: $safeeval,'concept');
569: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
570: }
571: return $result;
1.14 albertel 572: }
573:
574: sub end_conceptgroup {
1.83 albertel 575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
576: $Apache::radiobuttonresponse::conceptgroup=0;
577: my $result;
578: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
579: $target eq 'tex' || $target eq 'analyze') {
580: &Apache::response::pick_foil_for_concept($target,
581: ['value','text','location'],
582: \%Apache::hint::radiobutton,
583: $parstack,$safeeval);
584: } elsif ($target eq 'edit') {
585: $result=&Apache::edit::end_table();
586: }
587: return $result;
1.26 albertel 588: }
589:
590: sub insert_conceptgroup {
1.83 albertel 591: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
592: return $result;
1.1 albertel 593: }
594:
595: sub start_foil {
1.83 albertel 596: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
597: my $result='';
598: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
599: &Apache::lonxml::startredirection;
1.95 albertel 600: if ($target eq 'analyze') {
601: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
602: }
1.83 albertel 603: } elsif ($target eq 'edit') {
604: $result=&Apache::edit::tag_start($target,$token);
605: $result.=&Apache::edit::text_arg('Name:','name',$token);
606: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
607: ['unused','true','false'],
608: $token);
609: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
610: $safeeval,'-3');
611: if ($randomize ne 'no') {
612: $result.=&Apache::edit::select_arg('Location:','location',
613: ['random','top','bottom'],$token);
614: }
615: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
616: } elsif ($target eq 'modified') {
617: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
618: $safeeval,'value','name',
619: 'location');
620: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
621: }
622: return $result;
1.1 albertel 623: }
624:
625: sub end_foil {
1.83 albertel 626: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
627: my $text='';
628: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
629: $text=&Apache::lonxml::endredirection;
630: }
1.85 albertel 631: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
632: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 633: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
634: if ($value ne 'unused') {
635: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 636: if ($name eq "") {
1.101 albertel 637: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 638: $name=$Apache::lonxml::curdepth;
639: }
1.85 albertel 640: if (defined($Apache::response::foilnames{$name})) {
641: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
642: }
1.86 albertel 643: $Apache::response::foilnames{$name}++;
1.85 albertel 644: my $location =&Apache::lonxml::get_param('location',$parstack,
645: $safeeval);
1.83 albertel 646: if ( $Apache::radiobuttonresponse::conceptgroup
647: && !&Apache::response::showallfoils() ) {
648: push @{ $Apache::response::conceptgroup{'names'} }, $name;
649: $Apache::response::conceptgroup{"$name.value"} = $value;
650: $Apache::response::conceptgroup{"$name.text"} = $text;
651: $Apache::response::conceptgroup{"$name.location"} = $location;
652: } else {
653: push @{ $Apache::response::foilgroup{'names'} }, $name;
654: $Apache::response::foilgroup{"$name.value"} = $value;
655: $Apache::response::foilgroup{"$name.text"} = $text;
656: $Apache::response::foilgroup{"$name.location"} = $location;
657: }
658: }
1.18 albertel 659: }
1.83 albertel 660: return '';
1.1 albertel 661: }
662:
1.27 albertel 663: sub insert_foil {
1.83 albertel 664: return '
1.27 albertel 665: <foil name="" value="unused">
666: <startouttext />
667: <endouttext />
668: </foil>';
669: }
1.1 albertel 670: 1;
671: __END__
672:
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