Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.127
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.127 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.126 2007/08/29 10:07:42 foxr 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;
1.115 foxr 34: use Apache::response;
1.1 albertel 35:
1.120 foxr 36: my $default_bubbles_per_line = 10;
1.121 foxr 37:
1.116 foxr 38:
1.36 harris41 39: BEGIN {
1.83 albertel 40: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 41: }
42:
1.121 foxr 43: sub bubble_line_count {
44: my ($numfoils, $bubbles_per_line) = @_;
45: my $bubble_lines;
46: $bubble_lines = int($numfoils / $bubbles_per_line);
47: if (($numfoils % $bubbles_per_line) != 0) {
48: $bubble_lines++;
49: }
50: return $bubble_lines;
51:
52: }
53:
54:
1.1 albertel 55: sub start_radiobuttonresponse {
1.83 albertel 56: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
57: my $result;
1.115 foxr 58:
1.83 albertel 59: #when in a radiobutton response use these
60: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
61: push (@Apache::lonxml::namespace,'radiobuttonresponse');
62: my $id = &Apache::response::start_response($parstack,$safeeval);
1.120 foxr 63:
1.83 albertel 64: %Apache::hint::radiobutton=();
1.85 albertel 65: undef(%Apache::response::foilnames);
1.83 albertel 66: if ($target eq 'meta') {
67: $result=&Apache::response::meta_package_write('radiobuttonresponse');
68: } elsif ($target eq 'edit' ) {
69: $result.=&Apache::edit::start_table($token).
70: '<tr><td>'.&Apache::lonxml::description($token).
71: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
72: "</td><td>Delete:".
73: &Apache::edit::deletelist($target,$token)
74: ."</td><td> ".&Apache::edit::end_row()
75: .&Apache::edit::start_spanning_row();
76: $result.=
77: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
78: $token,'4').
79: &Apache::edit::select_arg('Randomize Foil Order','randomize',
80: ['yes','no'],$token).
1.103 albertel 81: &Apache::edit::select_arg('Display Direction','direction',
82: ['vertical','horizontal'],$token).
1.83 albertel 83: &Apache::edit::end_row().
84: &Apache::edit::start_spanning_row()."\n";
85: } elsif ($target eq 'modified') {
86: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
87: $safeeval,'max',
1.103 albertel 88: 'randomize','direction');
1.83 albertel 89: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
90: } elsif ($target eq 'tex') {
91: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
92: undef,0);
93: if ($type eq '1') {
94: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
95: } elsif ($type eq 'A') {
96: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
97: } elsif ($type eq 'a') {
98: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
99: } elsif ($type eq 'i') {
100: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 101: } else {
102: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 103: }
104: $result .= '\begin{enumerate}';
105: } elsif ($target eq 'analyze') {
106: my $part_id="$Apache::inputtags::part.$id";
107: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
108: }
109: return $result;
1.1 albertel 110: }
111:
112: sub end_radiobuttonresponse {
1.83 albertel 113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
114: my $result;
115: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
116: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
117: &Apache::response::end_response;
118: pop @Apache::lonxml::namespace;
119: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 120: undef(%Apache::response::foilnames);
1.83 albertel 121: return $result;
1.1 albertel 122: }
123:
1.43 albertel 124: %Apache::response::foilgroup=();
1.1 albertel 125: sub start_foilgroup {
1.83 albertel 126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
127: my $result;
128: %Apache::response::foilgroup=();
129: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 130: &Apache::response::pushrandomnumber();
1.83 albertel 131: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
132: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
133: }
134: return $result;
1.5 albertel 135: }
136:
1.15 albertel 137: sub storesurvey {
1.99 albertel 138: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 139: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 140: &Apache::lonxml::debug("Here I am!:$response:");
141: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 142: my $part = $Apache::inputtags::part;
1.83 albertel 143: my $id = $Apache::inputtags::response['-1'];
144: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
145: my %responsehash;
146: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 147: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
148: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
149: $responsestr;
150: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
151: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
152: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 153: &Apache::lonxml::debug("submitted a $response<br />\n");
154: return '';
1.15 albertel 155: }
156:
1.120 foxr 157:
1.32 albertel 158: sub grade_response {
1.123 albertel 159: my ($answer, $whichfoils, $bubbles_per_line)=@_;
160:
1.99 albertel 161: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 162: my $response;
1.118 foxr 163:
1.100 albertel 164: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 165: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 166: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 167: $bubbles_per_line),
168: $bubbles_per_line);
1.116 foxr 169:
1.83 albertel 170: } else {
1.100 albertel 171: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 172: }
1.120 foxr 173:
1.118 foxr 174:
1.83 albertel 175: if ( $response !~ /[0-9]+/) { return; }
176: my $part=$Apache::inputtags::part;
177: my $id = $Apache::inputtags::response['-1'];
178: my %responsehash;
1.123 albertel 179: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 180: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
181: my %previous=&Apache::response::check_for_previous($responsestr,
182: $part,$id);
183: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
184: $responsestr;
185: &Apache::lonxml::debug("submitted a $response<br />\n");
186: my $ad;
187: if ($response == $answer) {
188: $ad='EXACT_ANS';
189: } else {
190: $ad='INCORRECT';
191: }
192: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
193: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 194: }
195:
1.1 albertel 196: sub end_foilgroup {
1.83 albertel 197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 198:
1.83 albertel 199: my $result;
1.121 foxr 200: my $bubble_lines;
201: my $bubbles_per_line;
202: my $answer_count;
203: my $id = $Apache::inputtags::response['-1'];
204: $bubbles_per_line =
205: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
206: 'numbubbles',
207: $default_bubbles_per_line);
208:
209:
1.83 albertel 210: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
211: $target eq 'tex' || $target eq 'analyze') {
212: my $style = $Apache::lonhomework::type;
1.93 albertel 213: my $direction = &Apache::lonxml::get_param('direction',$parstack,
214: $safeeval,'-2');
1.83 albertel 215: if ( $style eq 'survey' && $target ne 'analyze') {
216: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 217: $result=&displayallfoils($direction, $target);
1.83 albertel 218: } elsif ( $target eq 'answer' ) {
219: $result=&displayallanswers();
220: } elsif ( $target eq 'grade' ) {
221: $result=&storesurvey();
222: }
1.121 foxr 223: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
224:
1.83 albertel 225: } else {
1.121 foxr 226:
1.83 albertel 227: my $name;
228: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
229: '-2');
230: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
231: $safeeval,'-2');
1.123 albertel 232: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 233: $answer_count = scalar(@shown);
234:
1.83 albertel 235: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 236: $result=&displayfoils($target,
1.123 albertel 237: $answer, \@shown,
1.121 foxr 238: $direction,
239: $bubbles_per_line);
1.83 albertel 240: } elsif ($target eq 'answer' ) {
1.124 albertel 241: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 242: } elsif ( $target eq 'grade') {
1.123 albertel 243: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 244: } elsif ( $target eq 'analyze') {
1.126 foxr 245: my $bubble_lines = &bubble_line_count($answer_count,
246: $bubbles_per_line);
1.83 albertel 247: &Apache::response::analyze_store_foilgroup(\@shown,
248: ['text','value','location']);
249: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
250: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
251: ('true','false'));
1.126 foxr 252: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
253: $bubble_lines);
1.83 albertel 254: }
1.81 albertel 255: }
1.111 albertel 256: $Apache::lonxml::post_evaluate=0;
1.83 albertel 257: }
1.114 albertel 258: if ($target eq 'web') {
259: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
260: [\%Apache::response::foilgroup]);
261: }
1.121 foxr 262: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.89 albertel 263: &Apache::response::poprandomnumber();
1.120 foxr 264: &Apache::lonxml::increment_counter($bubble_lines);
1.83 albertel 265: return $result;
1.6 albertel 266: }
267:
268: sub getfoilcounts {
1.83 albertel 269: my @names;
270: my $truecnt=0;
271: my $falsecnt=0;
272: my $name;
273: if ( $Apache::response::foilgroup{'names'} ) {
274: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 275: }
1.83 albertel 276: foreach $name (@names) {
277: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
278: $truecnt++;
279: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
280: $falsecnt++;
281: }
282: }
283: return ($truecnt,$falsecnt);
1.5 albertel 284: }
285:
1.114 albertel 286: sub format_prior_answer {
287: my ($mode,$answer,$other_data) = @_;
288: my $foil_data = $other_data->[0];
289: my %response = &Apache::lonnet::str2hash($answer);
290: my ($name) = keys(%response);
291: return '<span class="LC_prior_radiobutton">'.
292: $foil_data->{$name.'.text'}.'</span>';
293:
1.112 albertel 294: }
295:
1.15 albertel 296: sub displayallfoils {
1.110 foxr 297: my ($direction, $target)=@_;
1.83 albertel 298: my $result;
299: &Apache::lonxml::debug("survey style display");
1.106 albertel 300: my @names;
301: if ( $Apache::response::foilgroup{'names'} ) {
302: @names= @{ $Apache::response::foilgroup{'names'} };
303: }
1.120 foxr 304:
1.83 albertel 305: my $temp=0;
1.110 foxr 306: my $i =0;
1.83 albertel 307: my $id=$Apache::inputtags::response['-1'];
308: my $part=$Apache::inputtags::part;
309: my $lastresponse=
310: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 311: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 312: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
313: if (&Apache::response::show_answer() ) {
314: foreach my $name (@names) {
315: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 316: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 317: $result.="<td>";
318: } else {
1.110 foxr 319: if ($target eq 'tex') {
320: $result .= '\item \vskip -2mm ';
321: } else {
322: $result.="<br />";
323: }
1.93 albertel 324: }
1.84 albertel 325: if (defined($lastresponse{$name})) {
1.110 foxr 326: if ($target eq 'tex') {
327: $result .= '}';
328: } else {
329: $result.='<b>';
330: }
1.83 albertel 331: }
332: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 333: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 334: $result.='</b>';
335: }
1.110 foxr 336: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 337: }
1.45 albertel 338: }
1.83 albertel 339: } else {
340: foreach my $name (@names) {
341: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 342: if ($direction eq 'horizontal') {
343: $result.="<td>";
344: } else {
1.110 foxr 345: if ($target eq 'tex') {
346: $result .= '\item \vskip -2mm ';
347: } else {
348: $result.="<br />";
349: }
350: }
351: if ($target eq 'tex') {
352: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
353: $i++;
354: } else {
355: $result .= '<label>';
1.113 albertel 356: $result.="<input
357: onchange=\"javascript:setSubmittedPart('$part');\"
358: type=\"radio\"
359: name=\"HWVAL_$Apache::inputtags::response['-1']\"
360: value=\"$temp\" ";
1.110 foxr 361: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
362: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
363: '</label>';
1.93 albertel 364: }
1.83 albertel 365: $temp++;
1.110 foxr 366: if ($target ne 'tex') {
367: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
368: } else {
369: $result.='\vskip 0 mm ';
370: }
1.83 albertel 371: }
1.45 albertel 372: }
373: }
1.120 foxr 374:
1.110 foxr 375: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 376: return $result;
1.15 albertel 377: }
378:
1.122 albertel 379: =pod
380:
381: =item &whichfoils($max,$randomize)
382:
383: Randomizes the list of foils.
384: Respects
385: - each foils desire to be randomized
386: - the existance of Concept groups of foils (select 1 foil from each)
387: - and selects a single correct statement from all possilble true statments
388: - and limits it to a toal of $max foils
389:
1.123 albertel 390: WARNING: this routine uses the random number generator, it should only
391: be called once per target, otherwise it can cause randomness changes in
392: homework problems.
393:
1.122 albertel 394: Arguments
395: $max - maximum number of foils to select (including the true one)
396: (so a max of 5 is: 1 true, 4 false)
397:
398: $randomize - whether to randomize the listing of foils, by default
399: will randomize, only if randomize is 'no' will it not
400:
401: Returns
402: $answer - location in the array of the correct answer
403: @foils - array of foil names in to display order
404:
405: =cut
406:
1.28 albertel 407: sub whichfoils {
1.83 albertel 408: my ($max,$randomize)=@_;
1.28 albertel 409:
1.83 albertel 410: my @truelist;
411: my @falselist;
412: my @whichfalse =();
413: my ($truecnt,$falsecnt) = &getfoilcounts();
414: my $count=0;
415: # we will add in 1 of the true statements
1.104 albertel 416: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 417: my $answer=int(&Math::Random::random_uniform() * ($count));
418: &Apache::lonxml::debug("Count is $count, $answer is $answer");
419: my @names;
420: if ( $Apache::response::foilgroup{'names'} ) {
421: @names= @{ $Apache::response::foilgroup{'names'} };
422: }
423: if (&Apache::response::showallfoils()) {
424: @whichfalse=@names;
425: } elsif ($randomize eq 'no') {
426: &Apache::lonxml::debug("No randomization");
427: my $havetrue=0;
428: foreach my $name (@names) {
429: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
430: if (!$havetrue ) {
431: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
432: }
433: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
434: push (@whichfalse,$name);
435: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
436: } else {
1.87 albertel 437: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 438: }
439: }
1.97 albertel 440: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
441: &Apache::lonxml::error("There are no true statements available.<br />");
442: }
1.83 albertel 443: } else {
444: my $current=0;
445: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
446: my (%top,%bottom);
447: #first find out where everyone wants to be
448: foreach my $name (@names) {
449: $current++;
450: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
451: push (@truelist,$name);
452: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
453: $top{$name}=$current;
454: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
455: $bottom{$name}=$current;
456: }
457: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
458: push (@falselist,$name);
459: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
460: $top{$name}=$current;
461: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
462: $bottom{$name}=$current;
463: }
464: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
465: } else {
1.87 albertel 466: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 467: }
468: }
469: #pick a true statement
470: my $notrue=0;
471: if (scalar(@truelist) == 0) { $notrue=1; }
472: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
473: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
474: my (@toplist, @bottomlist);
475: my $topcount=0;
476: my $bottomcount=0;
477: # assign everyone to either toplist/bottomlist or whichfalse
478: # which false is randomized, toplist bottomlist are in order
479: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
480: &Apache::lonxml::debug("Have $#whichfalse max is $max");
481: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
482: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
483: $afalse=splice(@falselist,$afalse,1);
484: &Apache::lonxml::debug("Picked $afalse");
485: &Apache::lonhomework::showhash(('names'=>\@names));
486: &Apache::lonhomework::showhash(%top);
487: if ($top{$afalse}) {
488: $toplist[$top{$afalse}]=$afalse;
489: $topcount++;
490: } elsif ($bottom{$afalse}) {
491: $bottomlist[$bottom{$afalse}]=$afalse;
492: $bottomcount++;
493: } else {
494: push (@whichfalse,$afalse);
495: }
496: }
497: &Apache::lonxml::debug("Answer wants $answer");
498: my $truename=$truelist[$whichtrue];
499: my $dosplice=1;
500: if ($notrue && $Apache::lonhomework::type ne 'survey') {
501: $dosplice=0;
502: &Apache::lonxml::error("There are no true statements available.<br />");
503: }
504: #insert the true statement, keeping track of where it wants to be
505: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
506: $toplist[$top{$truename}]=$truename;
507: $answer=-1;
508: foreach my $top (reverse(@toplist)) {
509: if ($top) { $answer++;}
510: if ($top eq $truename) { last; }
1.49 albertel 511: }
1.83 albertel 512: $dosplice=0;
513: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
514: $bottomlist[$bottom{$truename}]=$truename;
515: $answer=-1;
516: foreach my $bot (@bottomlist) {
517: if ($bot) { $answer++;}
518: if ($bot eq $truename) { last; }
1.49 albertel 519: }
1.83 albertel 520: $answer+=$topcount+$#whichfalse+1;
521: $dosplice=0;
1.49 albertel 522: } else {
1.83 albertel 523: if ($topcount>0 || $bottomcount>0) {
524: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
525: + $topcount;
526: }
527: }
528: &Apache::lonxml::debug("Answer now wants $answer");
529: #add the top items to the top, bottom items to the bottom
530: for (my $i=0;$i<=$#toplist;$i++) {
531: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 532: }
1.83 albertel 533: for (my $i=0;$i<=$#bottomlist;$i++) {
534: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 535: }
1.83 albertel 536: #if the true statement is randomized insert it into the list
537: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 538: }
1.83 albertel 539: &Apache::lonxml::debug("Answer is $answer");
540: return ($answer,@whichfalse);
1.28 albertel 541: }
542:
543: sub displayfoils {
1.123 albertel 544: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 545: my $result;
1.28 albertel 546:
1.22 albertel 547: my $part=$Apache::inputtags::part;
1.83 albertel 548: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
549: if ( ($target ne 'tex') &&
550: &Apache::response::show_answer() ) {
1.90 albertel 551: if ($direction eq 'horizontal') {
552: if ($target ne 'tex') {
553: $result.='<table><tr>';
554: }
555: }
1.123 albertel 556: foreach my $name (@{ $whichfoils }) {
1.90 albertel 557: if ($direction eq 'horizontal') {
558: if ($target ne 'tex') { $result.='<td>'; }
559: }
1.83 albertel 560: if ($target ne 'tex') {
561: $result.="<br />";
562: } else {
563: $result.='\item \vskip -2 mm ';
564: }
565: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
566: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
567: } else {
568: $result.='Incorrect:';
569: }
1.94 matthew 570: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 571: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 572: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 573: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
574: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
575: }
1.90 albertel 576: if ($direction eq 'horizontal') {
577: if ($target ne 'tex') { $result.='</td>'; }
578: }
579: }
580: if ($direction eq 'horizontal') {
581: if ($target ne 'tex') {
582: $result.='</tr></table>';
583: }
1.83 albertel 584: }
585: } else {
586: my @alphabet = ('A'..'Z');
587: my $i = 0;
1.116 foxr 588: my $bubble_number = 0;
1.124 albertel 589: my $line = 0;
1.83 albertel 590: my $temp=0;
591: my $id=$Apache::inputtags::response['-1'];
592: my $part=$Apache::inputtags::part;
593: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
594: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 595: if ($target ne 'tex' && $direction eq 'horizontal') {
596: $result.="<table><tr>";
597: }
1.123 albertel 598: foreach my $name (@{ $whichfoils }) {
1.83 albertel 599: if ($target ne 'tex') {
1.90 albertel 600: if ($direction eq 'horizontal') {
601: $result.="<td>";
602: } else {
603: $result.="<br />";
604: }
605: }
606: if ($target ne 'tex') {
1.94 matthew 607: $result.= '<label>';
1.113 albertel 608: $result.=
609: "<input type=\"radio\"
610: onchange=\"javascript:setSubmittedPart('$part');\"
611: name=\"HWVAL_$Apache::inputtags::response['-1']\"
612: value=\"$temp\" ";
1.83 albertel 613: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 614: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 615: } else {
616: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 617: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 618: $line++;
1.116 foxr 619: $i = 0;
620: $bubble_number = 0;
1.124 albertel 621: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 622: }
1.124 albertel 623: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
624: $i++;
625: $bubble_number++;
1.83 albertel 626: } else {
627: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
628: }
629: }
1.90 albertel 630: if ($target ne 'tex' && $direction eq 'horizontal') {
631: $result.="</td>";
632: }
1.83 albertel 633: $temp++;
634: }
1.90 albertel 635: if ($target ne 'tex' && $direction eq 'horizontal') {
636: $result.="</tr></table>";
637: }
1.83 albertel 638: }
1.92 albertel 639: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 640: return $result;
1.81 albertel 641: }
642:
643: sub displayallanswers {
1.106 albertel 644: my @names;
645: if ( $Apache::response::foilgroup{'names'} ) {
646: @names= @{ $Apache::response::foilgroup{'names'} };
647: }
1.81 albertel 648: my $result=&Apache::response::answer_header('radiobuttonresponse');
649: foreach my $name (@names) {
650: $result.=&Apache::response::answer_part('radiobuttonresponse',
651: $Apache::response::foilgroup{$name.'.value'});
652: }
653: $result.=&Apache::response::answer_footer('radiobuttonresponse');
654: return $result;
1.14 albertel 655: }
656:
1.28 albertel 657: sub displayanswers {
1.124 albertel 658: my ($answer, $whichopt, $bubbles_per_line)=@_;
659: my $result;
660:
1.105 albertel 661: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 662: my $line = int($answer/$bubbles_per_line);
663: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
664: $result .= &Apache::response::answer_header('radiobuttonresponse',
665: $line);
666: $result .= &Apache::response::answer_part('radiobuttonresponse',
667: $correct);
668: } else {
669: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 670: }
1.123 albertel 671: foreach my $name (@{ $whichopt }) {
1.83 albertel 672: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 673: $Apache::response::foilgroup{$name.'.value'});
674: }
1.83 albertel 675: $result.=&Apache::response::answer_footer('radiobuttonresponse');
676: return $result;
1.28 albertel 677: }
678:
1.14 albertel 679: sub start_conceptgroup {
1.83 albertel 680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
681: $Apache::radiobuttonresponse::conceptgroup=1;
682: %Apache::response::conceptgroup=();
683: my $result;
684: if ($target eq 'edit') {
685: $result.=&Apache::edit::tag_start($target,$token);
686: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
687: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
688: } elsif ($target eq 'modified') {
689: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
690: $safeeval,'concept');
691: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
692: }
693: return $result;
1.14 albertel 694: }
695:
696: sub end_conceptgroup {
1.83 albertel 697: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
698: $Apache::radiobuttonresponse::conceptgroup=0;
699: my $result;
700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
701: $target eq 'tex' || $target eq 'analyze') {
702: &Apache::response::pick_foil_for_concept($target,
703: ['value','text','location'],
704: \%Apache::hint::radiobutton,
705: $parstack,$safeeval);
706: } elsif ($target eq 'edit') {
707: $result=&Apache::edit::end_table();
708: }
709: return $result;
1.26 albertel 710: }
711:
712: sub insert_conceptgroup {
1.83 albertel 713: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
714: return $result;
1.1 albertel 715: }
716:
717: sub start_foil {
1.83 albertel 718: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
719: my $result='';
720: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
721: &Apache::lonxml::startredirection;
1.95 albertel 722: if ($target eq 'analyze') {
723: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
724: }
1.83 albertel 725: } elsif ($target eq 'edit') {
726: $result=&Apache::edit::tag_start($target,$token);
727: $result.=&Apache::edit::text_arg('Name:','name',$token);
728: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
729: ['unused','true','false'],
730: $token);
731: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
732: $safeeval,'-3');
733: if ($randomize ne 'no') {
734: $result.=&Apache::edit::select_arg('Location:','location',
735: ['random','top','bottom'],$token);
736: }
737: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
738: } elsif ($target eq 'modified') {
739: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
740: $safeeval,'value','name',
741: 'location');
742: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
743: }
744: return $result;
1.1 albertel 745: }
746:
747: sub end_foil {
1.83 albertel 748: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
749: my $text='';
750: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
751: $text=&Apache::lonxml::endredirection;
752: }
1.85 albertel 753: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
754: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 755: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
756: if ($value ne 'unused') {
757: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 758: if ($name eq "") {
1.101 albertel 759: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 760: $name=$Apache::lonxml::curdepth;
761: }
1.85 albertel 762: if (defined($Apache::response::foilnames{$name})) {
763: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
764: }
1.86 albertel 765: $Apache::response::foilnames{$name}++;
1.85 albertel 766: my $location =&Apache::lonxml::get_param('location',$parstack,
767: $safeeval);
1.83 albertel 768: if ( $Apache::radiobuttonresponse::conceptgroup
769: && !&Apache::response::showallfoils() ) {
770: push @{ $Apache::response::conceptgroup{'names'} }, $name;
771: $Apache::response::conceptgroup{"$name.value"} = $value;
772: $Apache::response::conceptgroup{"$name.text"} = $text;
773: $Apache::response::conceptgroup{"$name.location"} = $location;
774: } else {
775: push @{ $Apache::response::foilgroup{'names'} }, $name;
776: $Apache::response::foilgroup{"$name.value"} = $value;
777: $Apache::response::foilgroup{"$name.text"} = $text;
778: $Apache::response::foilgroup{"$name.location"} = $location;
779: }
780: }
1.18 albertel 781: }
1.83 albertel 782: return '';
1.1 albertel 783: }
784:
1.27 albertel 785: sub insert_foil {
1.83 albertel 786: return '
1.27 albertel 787: <foil name="" value="unused">
788: <startouttext />
789: <endouttext />
790: </foil>';
791: }
1.1 albertel 792: 1;
793: __END__
794:
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