Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.87
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.87 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.86 2004/03/15 22:09:52 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;
1.1 albertel 33:
1.36 harris41 34: BEGIN {
1.83 albertel 35: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 36: }
37:
38: sub start_radiobuttonresponse {
1.83 albertel 39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41: #when in a radiobutton response use these
42: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'radiobuttonresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: %Apache::hint::radiobutton=();
1.85 albertel 46: undef(%Apache::response::foilnames);
1.83 albertel 47: if ($target eq 'meta') {
48: $result=&Apache::response::meta_package_write('radiobuttonresponse');
49: } elsif ($target eq 'edit' ) {
50: $result.=&Apache::edit::start_table($token).
51: '<tr><td>'.&Apache::lonxml::description($token).
52: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
53: "</td><td>Delete:".
54: &Apache::edit::deletelist($target,$token)
55: ."</td><td> ".&Apache::edit::end_row()
56: .&Apache::edit::start_spanning_row();
57: $result.=
58: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
59: $token,'4').
60: &Apache::edit::select_arg('Randomize Foil Order','randomize',
61: ['yes','no'],$token).
62: &Apache::edit::end_row().
63: &Apache::edit::start_spanning_row()."\n";
64: } elsif ($target eq 'modified') {
65: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
66: $safeeval,'max',
67: 'randomize');
68: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
69: } elsif ($target eq 'tex') {
70: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
71: undef,0);
72: if ($type eq '1') {
73: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
74: } elsif ($type eq 'A') {
75: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
76: } elsif ($type eq 'a') {
77: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
78: } elsif ($type eq 'i') {
79: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
80: }
81: $result .= '\begin{enumerate}';
82: } elsif ($target eq 'analyze') {
83: my $part_id="$Apache::inputtags::part.$id";
84: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
85: }
86: return $result;
1.1 albertel 87: }
88:
89: sub end_radiobuttonresponse {
1.83 albertel 90: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
91: my $result;
92: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
93: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
94: &Apache::response::end_response;
95: pop @Apache::lonxml::namespace;
96: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 97: undef(%Apache::response::foilnames);
1.83 albertel 98: return $result;
1.1 albertel 99: }
100:
1.43 albertel 101: %Apache::response::foilgroup=();
1.1 albertel 102: sub start_foilgroup {
1.83 albertel 103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
104: my $result;
105: %Apache::response::foilgroup=();
106: $Apache::radiobuttonresponse::conceptgroup=0;
107: &Apache::response::setrandomnumber();
108: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
109: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
110: }
111: return $result;
1.5 albertel 112: }
113:
1.15 albertel 114: sub storesurvey {
1.83 albertel 115: if ( !defined($ENV{'form.submitted'})) { return ''; }
116: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
117: &Apache::lonxml::debug("Here I am!:$response:");
118: if ( $response !~ /[0-9]+/) { return ''; }
119: my $id = $Apache::inputtags::response['-1'];
120: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
121: my %responsehash;
122: $responsehash{$whichfoils[$response]}=$response;
123: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
124: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
125: &Apache::lonxml::debug("submitted a $response<br />\n");
126: return '';
1.15 albertel 127: }
128:
1.32 albertel 129: sub grade_response {
1.83 albertel 130: my ($max,$randomize)=@_;
131: #keep the random numbers the same must always call this
132: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
133: if (!defined($ENV{'form.submitted'})) { return; }
134: my $response;
135: if ($ENV{'form.submitted'} eq 'scantron') {
136: $response=&Apache::response::getresponse();
137: } else {
138: $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
139: }
140: if ( $response !~ /[0-9]+/) { return; }
141: my $part=$Apache::inputtags::part;
142: my $id = $Apache::inputtags::response['-1'];
143: my %responsehash;
144: $responsehash{$whichfoils[$response]}=$response;
145: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
146: my %previous=&Apache::response::check_for_previous($responsestr,
147: $part,$id);
148: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
149: $responsestr;
150: &Apache::lonxml::debug("submitted a $response<br />\n");
151: my $ad;
152: if ($response == $answer) {
153: $ad='EXACT_ANS';
154: } else {
155: $ad='INCORRECT';
156: }
157: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
158: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 159: }
160:
1.1 albertel 161: sub end_foilgroup {
1.83 albertel 162: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 163:
1.83 albertel 164: my $result;
165: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
166: $target eq 'tex' || $target eq 'analyze') {
167: my $style = $Apache::lonhomework::type;
168: if ( $style eq 'survey' && $target ne 'analyze') {
169: if ($target eq 'web' || $target eq 'tex') {
170: $result=&displayallfoils();
171: } elsif ( $target eq 'answer' ) {
172: $result=&displayallanswers();
173: } elsif ( $target eq 'grade' ) {
174: $result=&storesurvey();
175: }
176: } else {
177: my $name;
178: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
179: '-2');
180: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
181: $safeeval,'-2');
182: if ($target eq 'web' || $target eq 'tex') {
183: $result=&displayfoils($target,$max,$randomize);
184: } elsif ($target eq 'answer' ) {
185: $result=&displayanswers($max,$randomize);
186: } elsif ( $target eq 'grade') {
187: &grade_response($max,$randomize);
188: } elsif ( $target eq 'analyze') {
189: my @shown = &whichfoils($max,$randomize);
190: &Apache::response::analyze_store_foilgroup(\@shown,
191: ['text','value','location']);
192: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
193: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
194: ('true','false'));
195: }
1.81 albertel 196: }
1.83 albertel 197: }
198: &Apache::lonxml::increment_counter();
199: return $result;
1.6 albertel 200: }
201:
202: sub getfoilcounts {
1.83 albertel 203: my @names;
204: my $truecnt=0;
205: my $falsecnt=0;
206: my $name;
207: if ( $Apache::response::foilgroup{'names'} ) {
208: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 209: }
1.83 albertel 210: foreach $name (@names) {
211: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
212: $truecnt++;
213: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
214: $falsecnt++;
215: }
216: }
217: return ($truecnt,$falsecnt);
1.5 albertel 218: }
219:
1.15 albertel 220: sub displayallfoils {
1.83 albertel 221: my $result;
222: &Apache::lonxml::debug("survey style display");
223: my @names = @{ $Apache::response::foilgroup{'names'} };
224: my $temp=0;
225: my $id=$Apache::inputtags::response['-1'];
226: my $part=$Apache::inputtags::part;
227: my $lastresponse=
228: $Apache::lonhomework::history{"resource.$part.$id.submission"};
229: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
230: if (&Apache::response::show_answer() ) {
231: foreach my $name (@names) {
232: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.84 albertel 233: $result.="<br />";
234: if (defined($lastresponse{$name})) {
1.83 albertel 235: $result.='<b>';
236: }
237: $result .= $Apache::response::foilgroup{$name.'.text'};
1.84 albertel 238: if (defined($lastresponse{$name})) {
1.83 albertel 239: $result.='</b>';
240: }
241: }
1.45 albertel 242: }
1.83 albertel 243: } else {
244: foreach my $name (@names) {
245: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
246: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
247: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
248: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
249: $temp++;
250: }
1.45 albertel 251: }
252: }
1.83 albertel 253: return $result;
1.15 albertel 254: }
255:
1.28 albertel 256: sub whichfoils {
1.83 albertel 257: my ($max,$randomize)=@_;
1.28 albertel 258:
1.83 albertel 259: my @truelist;
260: my @falselist;
261: my @whichfalse =();
262: my ($truecnt,$falsecnt) = &getfoilcounts();
263: my $count=0;
264: # we will add in 1 of the true statements
265: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
266: my $answer=int(&Math::Random::random_uniform() * ($count));
267: &Apache::lonxml::debug("Count is $count, $answer is $answer");
268: my @names;
269: if ( $Apache::response::foilgroup{'names'} ) {
270: @names= @{ $Apache::response::foilgroup{'names'} };
271: }
272: if (&Apache::response::showallfoils()) {
273: @whichfalse=@names;
274: } elsif ($randomize eq 'no') {
275: &Apache::lonxml::debug("No randomization");
276: my $havetrue=0;
277: foreach my $name (@names) {
278: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
279: if (!$havetrue ) {
280: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
281: }
282: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
283: push (@whichfalse,$name);
284: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
285: } else {
1.87 ! albertel 286: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 287: }
288: }
289: } else {
290: my $current=0;
291: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
292: my (%top,%bottom);
293: #first find out where everyone wants to be
294: foreach my $name (@names) {
295: $current++;
296: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
297: push (@truelist,$name);
298: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
299: $top{$name}=$current;
300: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
301: $bottom{$name}=$current;
302: }
303: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
304: push (@falselist,$name);
305: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
306: $top{$name}=$current;
307: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
308: $bottom{$name}=$current;
309: }
310: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
311: } else {
1.87 ! albertel 312: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 313: }
314: }
315: #pick a true statement
316: my $notrue=0;
317: if (scalar(@truelist) == 0) { $notrue=1; }
318: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
319: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
320: my (@toplist, @bottomlist);
321: my $topcount=0;
322: my $bottomcount=0;
323: # assign everyone to either toplist/bottomlist or whichfalse
324: # which false is randomized, toplist bottomlist are in order
325: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
326: &Apache::lonxml::debug("Have $#whichfalse max is $max");
327: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
328: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
329: $afalse=splice(@falselist,$afalse,1);
330: &Apache::lonxml::debug("Picked $afalse");
331: &Apache::lonhomework::showhash(('names'=>\@names));
332: &Apache::lonhomework::showhash(%top);
333: if ($top{$afalse}) {
334: $toplist[$top{$afalse}]=$afalse;
335: $topcount++;
336: } elsif ($bottom{$afalse}) {
337: $bottomlist[$bottom{$afalse}]=$afalse;
338: $bottomcount++;
339: } else {
340: push (@whichfalse,$afalse);
341: }
342: }
343: &Apache::lonxml::debug("Answer wants $answer");
344: my $truename=$truelist[$whichtrue];
345: my $dosplice=1;
346: if ($notrue && $Apache::lonhomework::type ne 'survey') {
347: $dosplice=0;
348: &Apache::lonxml::error("There are no true statements available.<br />");
349: }
350: #insert the true statement, keeping track of where it wants to be
351: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
352: $toplist[$top{$truename}]=$truename;
353: $answer=-1;
354: foreach my $top (reverse(@toplist)) {
355: if ($top) { $answer++;}
356: if ($top eq $truename) { last; }
1.49 albertel 357: }
1.83 albertel 358: $dosplice=0;
359: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
360: $bottomlist[$bottom{$truename}]=$truename;
361: $answer=-1;
362: foreach my $bot (@bottomlist) {
363: if ($bot) { $answer++;}
364: if ($bot eq $truename) { last; }
1.49 albertel 365: }
1.83 albertel 366: $answer+=$topcount+$#whichfalse+1;
367: $dosplice=0;
1.49 albertel 368: } else {
1.83 albertel 369: if ($topcount>0 || $bottomcount>0) {
370: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
371: + $topcount;
372: }
373: }
374: &Apache::lonxml::debug("Answer now wants $answer");
375: #add the top items to the top, bottom items to the bottom
376: for (my $i=0;$i<=$#toplist;$i++) {
377: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 378: }
1.83 albertel 379: for (my $i=0;$i<=$#bottomlist;$i++) {
380: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 381: }
1.83 albertel 382: #if the true statement is randomized insert it into the list
383: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 384: }
1.83 albertel 385: &Apache::lonxml::debug("Answer is $answer");
386: return ($answer,@whichfalse);
1.28 albertel 387: }
388:
389: sub displayfoils {
1.83 albertel 390: my ($target,$max,$randomize)=@_;
391: my $result;
1.28 albertel 392:
1.83 albertel 393: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 394: my $part=$Apache::inputtags::part;
1.83 albertel 395: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
396: if ( ($target ne 'tex') &&
397: &Apache::response::show_answer() ) {
398: foreach my $name (@whichfoils) {
399: if ($target ne 'tex') {
400: $result.="<br />";
401: } else {
402: $result.='\item \vskip -2 mm ';
403: }
404: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
405: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
406: } else {
407: $result.='Incorrect:';
408: }
409: if ($target ne 'tex') {
410: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
411: } else {
412: $result.=$Apache::response::foilgroup{$name.'.text'};
413: }
414: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
415: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
416: }
417: }
418: } else {
419: my @alphabet = ('A'..'Z');
420: my $i = 0;
421: my $temp=0;
422: my $id=$Apache::inputtags::response['-1'];
423: my $part=$Apache::inputtags::part;
424: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
425: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
426: foreach my $name (@whichfoils) {
427: if ($target ne 'tex') {
428: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
429: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
430: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
431: } else {
432: if ($Apache::lonhomework::type eq 'exam') {
433: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
434: $i++;
435: } else {
436: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
437: }
438: }
439: $temp++;
440: }
441: }
442: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
443: return $result;
1.81 albertel 444: }
445:
446: sub displayallanswers {
447: my @names = @{ $Apache::response::foilgroup{'names'} };
448:
449: my $result=&Apache::response::answer_header('radiobuttonresponse');
450: foreach my $name (@names) {
451: $result.=&Apache::response::answer_part('radiobuttonresponse',
452: $Apache::response::foilgroup{$name.'.value'});
453: }
454: $result.=&Apache::response::answer_footer('radiobuttonresponse');
455: return $result;
1.14 albertel 456: }
457:
1.28 albertel 458: sub displayanswers {
1.83 albertel 459: my ($max,$randomize)=@_;
460: my ($answer,@whichopt) = &whichfoils($max,$randomize);
461: my $result=&Apache::response::answer_header('radiobuttonresponse');
462: foreach my $name (@whichopt) {
463: $result.=&Apache::response::answer_part('radiobuttonresponse',
464: $Apache::response::foilgroup{$name.'.value'})
465: }
466: $result.=&Apache::response::answer_footer('radiobuttonresponse');
467: return $result;
1.28 albertel 468: }
469:
1.14 albertel 470: sub start_conceptgroup {
1.83 albertel 471: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
472: $Apache::radiobuttonresponse::conceptgroup=1;
473: %Apache::response::conceptgroup=();
474: my $result;
475: if ($target eq 'edit') {
476: $result.=&Apache::edit::tag_start($target,$token);
477: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
478: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
479: } elsif ($target eq 'modified') {
480: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
481: $safeeval,'concept');
482: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
483: }
484: return $result;
1.14 albertel 485: }
486:
487: sub end_conceptgroup {
1.83 albertel 488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
489: $Apache::radiobuttonresponse::conceptgroup=0;
490: my $result;
491: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
492: $target eq 'tex' || $target eq 'analyze') {
493: &Apache::response::pick_foil_for_concept($target,
494: ['value','text','location'],
495: \%Apache::hint::radiobutton,
496: $parstack,$safeeval);
497: } elsif ($target eq 'edit') {
498: $result=&Apache::edit::end_table();
499: }
500: return $result;
1.26 albertel 501: }
502:
503: sub insert_conceptgroup {
1.83 albertel 504: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
505: return $result;
1.1 albertel 506: }
507:
508: sub start_foil {
1.83 albertel 509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
510: my $result='';
511: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
512: &Apache::lonxml::startredirection;
513: } elsif ($target eq 'edit') {
514: $result=&Apache::edit::tag_start($target,$token);
515: $result.=&Apache::edit::text_arg('Name:','name',$token);
516: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
517: ['unused','true','false'],
518: $token);
519: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
520: $safeeval,'-3');
521: if ($randomize ne 'no') {
522: $result.=&Apache::edit::select_arg('Location:','location',
523: ['random','top','bottom'],$token);
524: }
525: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
526: } elsif ($target eq 'modified') {
527: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
528: $safeeval,'value','name',
529: 'location');
530: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
531: }
532: return $result;
1.1 albertel 533: }
534:
535: sub end_foil {
1.83 albertel 536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
537: my $text='';
538: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
539: $text=&Apache::lonxml::endredirection;
540: }
1.85 albertel 541: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
542: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 543: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
544: if ($value ne 'unused') {
545: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
546: if (!$name) { $name=$Apache::lonxml::curdepth; }
1.85 albertel 547: if (defined($Apache::response::foilnames{$name})) {
548: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
549: }
1.86 albertel 550: $Apache::response::foilnames{$name}++;
1.85 albertel 551: my $location =&Apache::lonxml::get_param('location',$parstack,
552: $safeeval);
1.83 albertel 553: if ( $Apache::radiobuttonresponse::conceptgroup
554: && !&Apache::response::showallfoils() ) {
555: push @{ $Apache::response::conceptgroup{'names'} }, $name;
556: $Apache::response::conceptgroup{"$name.value"} = $value;
557: $Apache::response::conceptgroup{"$name.text"} = $text;
558: $Apache::response::conceptgroup{"$name.location"} = $location;
559: } else {
560: push @{ $Apache::response::foilgroup{'names'} }, $name;
561: $Apache::response::foilgroup{"$name.value"} = $value;
562: $Apache::response::foilgroup{"$name.text"} = $text;
563: $Apache::response::foilgroup{"$name.location"} = $location;
564: }
565: }
1.18 albertel 566: }
1.83 albertel 567: return '';
1.1 albertel 568: }
569:
1.27 albertel 570: sub insert_foil {
1.83 albertel 571: return '
1.27 albertel 572: <foil name="" value="unused">
573: <startouttext />
574: <endouttext />
575: </foil>';
576: }
1.1 albertel 577: 1;
578: __END__
579:
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