Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.135
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.135 ! onken 4: # $Id: radiobuttonresponse.pm,v 1.134 2008/08/08 16:37:13 bisitz 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
1.130 foxr 21: # along with LON-CAPA; if not, write to the Free Software# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1.31 albertel 22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
1.1 albertel 27:
28: package Apache::radiobuttonresponse;
29: use strict;
1.42 albertel 30: use HTML::Entities();
1.85 albertel 31: use Apache::lonlocal;
1.100 albertel 32: use Apache::lonnet;
1.115 foxr 33: use Apache::response;
1.1 albertel 34:
1.120 foxr 35: my $default_bubbles_per_line = 10;
1.121 foxr 36:
1.116 foxr 37:
1.36 harris41 38: BEGIN {
1.83 albertel 39: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 40: }
41:
1.121 foxr 42: sub bubble_line_count {
43: my ($numfoils, $bubbles_per_line) = @_;
44: my $bubble_lines;
45: $bubble_lines = int($numfoils / $bubbles_per_line);
46: if (($numfoils % $bubbles_per_line) != 0) {
47: $bubble_lines++;
48: }
49: return $bubble_lines;
50:
51: }
52:
53:
1.1 albertel 54: sub start_radiobuttonresponse {
1.83 albertel 55: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
56: my $result;
1.115 foxr 57:
1.83 albertel 58: #when in a radiobutton response use these
59: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
60: push (@Apache::lonxml::namespace,'radiobuttonresponse');
61: my $id = &Apache::response::start_response($parstack,$safeeval);
1.120 foxr 62:
1.83 albertel 63: %Apache::hint::radiobutton=();
1.85 albertel 64: undef(%Apache::response::foilnames);
1.83 albertel 65: if ($target eq 'meta') {
66: $result=&Apache::response::meta_package_write('radiobuttonresponse');
67: } elsif ($target eq 'edit' ) {
68: $result.=&Apache::edit::start_table($token).
69: '<tr><td>'.&Apache::lonxml::description($token).
70: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
71: "</td><td>Delete:".
72: &Apache::edit::deletelist($target,$token)
73: ."</td><td> ".&Apache::edit::end_row()
74: .&Apache::edit::start_spanning_row();
75: $result.=
76: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
77: $token,'4').
78: &Apache::edit::select_arg('Randomize Foil Order','randomize',
79: ['yes','no'],$token).
1.103 albertel 80: &Apache::edit::select_arg('Display Direction','direction',
81: ['vertical','horizontal'],$token).
1.83 albertel 82: &Apache::edit::end_row().
83: &Apache::edit::start_spanning_row()."\n";
84: } elsif ($target eq 'modified') {
85: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
86: $safeeval,'max',
1.103 albertel 87: 'randomize','direction');
1.83 albertel 88: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
89: } elsif ($target eq 'tex') {
90: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
91: undef,0);
92: if ($type eq '1') {
93: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
94: } elsif ($type eq 'A') {
95: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
96: } elsif ($type eq 'a') {
97: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
98: } elsif ($type eq 'i') {
99: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 100: } else {
101: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 102: }
1.135 ! onken 103: if($env{'form.pdfFormFields'} eq 'yes') {
! 104: $result .= &Apache::lonxml::print_pdf_hiddenfield('meta', $env{'user.name'}, $env{'user.domain'});
! 105: $result .= "\n\\\\\n\\\\\n";
! 106: } else {
! 107: $result .= '\begin{enumerate}';
! 108: }
1.83 albertel 109: } elsif ($target eq 'analyze') {
110: my $part_id="$Apache::inputtags::part.$id";
1.131 raeburn 111: $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
1.83 albertel 112: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
113: }
114: return $result;
1.1 albertel 115: }
116:
117: sub end_radiobuttonresponse {
1.83 albertel 118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
119: my $result;
120: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.135 ! onken 121: if ($target eq 'tex' and $env{'form.pdfFormFields'} ne 'yes') {
! 122: $result .= '\end{enumerate}';
! 123: }
1.83 albertel 124: &Apache::response::end_response;
125: pop @Apache::lonxml::namespace;
126: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 127: undef(%Apache::response::foilnames);
1.83 albertel 128: return $result;
1.1 albertel 129: }
130:
1.43 albertel 131: %Apache::response::foilgroup=();
1.1 albertel 132: sub start_foilgroup {
1.83 albertel 133: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
134: my $result;
135: %Apache::response::foilgroup=();
136: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 137: &Apache::response::pushrandomnumber();
1.83 albertel 138: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
139: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
140: }
141: return $result;
1.5 albertel 142: }
143:
1.15 albertel 144: sub storesurvey {
1.99 albertel 145: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 146: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 147: &Apache::lonxml::debug("Here I am!:$response:");
148: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 149: my $part = $Apache::inputtags::part;
1.83 albertel 150: my $id = $Apache::inputtags::response['-1'];
151: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
152: my %responsehash;
153: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 154: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
155: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
156: $responsestr;
157: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
158: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
159: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 160: &Apache::lonxml::debug("submitted a $response<br />\n");
161: return '';
1.15 albertel 162: }
163:
1.120 foxr 164:
1.32 albertel 165: sub grade_response {
1.123 albertel 166: my ($answer, $whichfoils, $bubbles_per_line)=@_;
167:
1.99 albertel 168: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 169: my $response;
1.118 foxr 170:
1.100 albertel 171: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 172: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 173: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 174: $bubbles_per_line),
175: $bubbles_per_line);
1.116 foxr 176:
1.83 albertel 177: } else {
1.100 albertel 178: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 179: }
1.120 foxr 180:
1.118 foxr 181:
1.83 albertel 182: if ( $response !~ /[0-9]+/) { return; }
183: my $part=$Apache::inputtags::part;
184: my $id = $Apache::inputtags::response['-1'];
185: my %responsehash;
1.123 albertel 186: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 187: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
188: my %previous=&Apache::response::check_for_previous($responsestr,
189: $part,$id);
190: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
191: $responsestr;
192: &Apache::lonxml::debug("submitted a $response<br />\n");
193: my $ad;
194: if ($response == $answer) {
195: $ad='EXACT_ANS';
196: } else {
197: $ad='INCORRECT';
198: }
199: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
200: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 201: }
202:
1.1 albertel 203: sub end_foilgroup {
1.83 albertel 204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 205:
1.83 albertel 206: my $result;
1.121 foxr 207: my $bubble_lines;
208: my $bubbles_per_line;
209: my $answer_count;
1.129 foxr 210: my $id = $Apache::inputtags::response['-1'];
211: my $part = $Apache::inputtags::part;
1.121 foxr 212: $bubbles_per_line =
213: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
214: 'numbubbles',
215: $default_bubbles_per_line);
216:
217:
1.83 albertel 218: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
219: $target eq 'tex' || $target eq 'analyze') {
220: my $style = $Apache::lonhomework::type;
1.93 albertel 221: my $direction = &Apache::lonxml::get_param('direction',$parstack,
222: $safeeval,'-2');
1.83 albertel 223: if ( $style eq 'survey' && $target ne 'analyze') {
224: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 225: $result=&displayallfoils($direction, $target);
1.83 albertel 226: } elsif ( $target eq 'answer' ) {
227: $result=&displayallanswers();
228: } elsif ( $target eq 'grade' ) {
229: $result=&storesurvey();
230: }
1.121 foxr 231: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
232:
1.83 albertel 233: } else {
1.121 foxr 234:
1.83 albertel 235: my $name;
236: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
237: '-2');
238: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
239: $safeeval,'-2');
1.123 albertel 240: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 241: $answer_count = scalar(@shown);
242:
1.83 albertel 243: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 244: $result=&displayfoils($target,
1.123 albertel 245: $answer, \@shown,
1.121 foxr 246: $direction,
247: $bubbles_per_line);
1.83 albertel 248: } elsif ($target eq 'answer' ) {
1.124 albertel 249: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 250: } elsif ( $target eq 'grade') {
1.123 albertel 251: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 252: } elsif ( $target eq 'analyze') {
1.126 foxr 253: my $bubble_lines = &bubble_line_count($answer_count,
254: $bubbles_per_line);
1.83 albertel 255: &Apache::response::analyze_store_foilgroup(\@shown,
256: ['text','value','location']);
1.129 foxr 257: my $part_id="$part.$id";
1.83 albertel 258: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
259: ('true','false'));
1.130 foxr 260:
1.83 albertel 261: }
1.81 albertel 262: }
1.111 albertel 263: $Apache::lonxml::post_evaluate=0;
1.83 albertel 264: }
1.114 albertel 265: if ($target eq 'web') {
266: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
267: [\%Apache::response::foilgroup]);
268: }
1.128 foxr 269: &Apache::response::poprandomnumber();
1.121 foxr 270: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.128 foxr 271: &Apache::lonxml::increment_counter($bubble_lines,
1.129 foxr 272: "$part.$id");
1.128 foxr 273: if ($target eq 'analyze') {
274: &Apache::lonhomework::set_bubble_lines();
275: }
1.83 albertel 276: return $result;
1.6 albertel 277: }
278:
279: sub getfoilcounts {
1.83 albertel 280: my @names;
281: my $truecnt=0;
282: my $falsecnt=0;
283: my $name;
284: if ( $Apache::response::foilgroup{'names'} ) {
285: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 286: }
1.83 albertel 287: foreach $name (@names) {
288: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
289: $truecnt++;
290: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
291: $falsecnt++;
292: }
293: }
294: return ($truecnt,$falsecnt);
1.5 albertel 295: }
296:
1.114 albertel 297: sub format_prior_answer {
298: my ($mode,$answer,$other_data) = @_;
299: my $foil_data = $other_data->[0];
300: my %response = &Apache::lonnet::str2hash($answer);
301: my ($name) = keys(%response);
302: return '<span class="LC_prior_radiobutton">'.
303: $foil_data->{$name.'.text'}.'</span>';
304:
1.112 albertel 305: }
306:
1.15 albertel 307: sub displayallfoils {
1.110 foxr 308: my ($direction, $target)=@_;
1.83 albertel 309: my $result;
310: &Apache::lonxml::debug("survey style display");
1.106 albertel 311: my @names;
312: if ( $Apache::response::foilgroup{'names'} ) {
313: @names= @{ $Apache::response::foilgroup{'names'} };
314: }
1.120 foxr 315:
1.83 albertel 316: my $temp=0;
1.110 foxr 317: my $i =0;
1.83 albertel 318: my $id=$Apache::inputtags::response['-1'];
319: my $part=$Apache::inputtags::part;
320: my $lastresponse=
321: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 322: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 323: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
324: if (&Apache::response::show_answer() ) {
325: foreach my $name (@names) {
326: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 327: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 328: $result.="<td>";
329: } else {
1.110 foxr 330: if ($target eq 'tex') {
331: $result .= '\item \vskip -2mm ';
332: } else {
333: $result.="<br />";
334: }
1.93 albertel 335: }
1.84 albertel 336: if (defined($lastresponse{$name})) {
1.110 foxr 337: if ($target eq 'tex') {
338: $result .= '}';
339: } else {
340: $result.='<b>';
341: }
1.83 albertel 342: }
343: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 344: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 345: $result.='</b>';
346: }
1.110 foxr 347: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 348: }
1.45 albertel 349: }
1.83 albertel 350: } else {
351: foreach my $name (@names) {
352: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 353: if ($direction eq 'horizontal') {
354: $result.="<td>";
355: } else {
1.110 foxr 356: if ($target eq 'tex') {
1.135 ! onken 357: if($env{'form.pdfFormFields'} eq 'yes') {
! 358: my $fieldname = $env{'request.symb'}.
! 359: '&part_'. $Apache::inputtags::part.
! 360: '&radiobuttonresponse'.
! 361: '&HWVAL_' . $Apache::inputtags::response['-1'];
! 362: my $value = $temp;
! 363: my $text = $Apache::response::foilgroup{$name.'.text'};
! 364: $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname,
! 365: $value,
! 366: $text)."\n";
! 367: } else {
! 368: $result .= '\item \vskip -2mm ';
! 369: }
! 370: } else {
1.110 foxr 371: $result.="<br />";
372: }
373: }
374: if ($target eq 'tex') {
1.135 ! onken 375: if($env{'form.pdfFormFields'} ne 'yes') {
! 376: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
! 377: }
1.110 foxr 378: $i++;
379: } else {
380: $result .= '<label>';
1.113 albertel 381: $result.="<input
382: onchange=\"javascript:setSubmittedPart('$part');\"
383: type=\"radio\"
384: name=\"HWVAL_$Apache::inputtags::response['-1']\"
385: value=\"$temp\" ";
1.110 foxr 386: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
387: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
388: '</label>';
1.93 albertel 389: }
1.83 albertel 390: $temp++;
1.110 foxr 391: if ($target ne 'tex') {
392: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
393: } else {
394: $result.='\vskip 0 mm ';
395: }
1.83 albertel 396: }
1.45 albertel 397: }
398: }
1.120 foxr 399:
1.110 foxr 400: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 401: return $result;
1.15 albertel 402: }
403:
1.122 albertel 404: =pod
405:
406: =item &whichfoils($max,$randomize)
407:
408: Randomizes the list of foils.
409: Respects
410: - each foils desire to be randomized
411: - the existance of Concept groups of foils (select 1 foil from each)
412: - and selects a single correct statement from all possilble true statments
413: - and limits it to a toal of $max foils
414:
1.123 albertel 415: WARNING: this routine uses the random number generator, it should only
416: be called once per target, otherwise it can cause randomness changes in
417: homework problems.
418:
1.122 albertel 419: Arguments
420: $max - maximum number of foils to select (including the true one)
421: (so a max of 5 is: 1 true, 4 false)
422:
423: $randomize - whether to randomize the listing of foils, by default
424: will randomize, only if randomize is 'no' will it not
425:
426: Returns
427: $answer - location in the array of the correct answer
428: @foils - array of foil names in to display order
429:
430: =cut
431:
1.28 albertel 432: sub whichfoils {
1.83 albertel 433: my ($max,$randomize)=@_;
1.28 albertel 434:
1.83 albertel 435: my @truelist;
436: my @falselist;
437: my @whichfalse =();
438: my ($truecnt,$falsecnt) = &getfoilcounts();
439: my $count=0;
440: # we will add in 1 of the true statements
1.104 albertel 441: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 442: my $answer=int(&Math::Random::random_uniform() * ($count));
443: &Apache::lonxml::debug("Count is $count, $answer is $answer");
444: my @names;
445: if ( $Apache::response::foilgroup{'names'} ) {
446: @names= @{ $Apache::response::foilgroup{'names'} };
447: }
448: if (&Apache::response::showallfoils()) {
449: @whichfalse=@names;
450: } elsif ($randomize eq 'no') {
451: &Apache::lonxml::debug("No randomization");
452: my $havetrue=0;
453: foreach my $name (@names) {
454: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
455: if (!$havetrue ) {
456: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
457: }
458: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
459: push (@whichfalse,$name);
460: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
461: } else {
1.87 albertel 462: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 463: }
464: }
1.97 albertel 465: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
1.134 bisitz 466: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.97 albertel 467: }
1.83 albertel 468: } else {
469: my $current=0;
470: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
471: my (%top,%bottom);
472: #first find out where everyone wants to be
473: foreach my $name (@names) {
474: $current++;
475: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
476: push (@truelist,$name);
477: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
478: $top{$name}=$current;
479: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
480: $bottom{$name}=$current;
481: }
482: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
483: push (@falselist,$name);
484: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
485: $top{$name}=$current;
486: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
487: $bottom{$name}=$current;
488: }
489: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
490: } else {
1.87 albertel 491: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 492: }
493: }
494: #pick a true statement
495: my $notrue=0;
496: if (scalar(@truelist) == 0) { $notrue=1; }
497: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
498: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
499: my (@toplist, @bottomlist);
500: my $topcount=0;
501: my $bottomcount=0;
502: # assign everyone to either toplist/bottomlist or whichfalse
503: # which false is randomized, toplist bottomlist are in order
504: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
505: &Apache::lonxml::debug("Have $#whichfalse max is $max");
506: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
507: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
508: $afalse=splice(@falselist,$afalse,1);
509: &Apache::lonxml::debug("Picked $afalse");
510: &Apache::lonhomework::showhash(('names'=>\@names));
511: &Apache::lonhomework::showhash(%top);
512: if ($top{$afalse}) {
513: $toplist[$top{$afalse}]=$afalse;
514: $topcount++;
515: } elsif ($bottom{$afalse}) {
516: $bottomlist[$bottom{$afalse}]=$afalse;
517: $bottomcount++;
518: } else {
519: push (@whichfalse,$afalse);
520: }
521: }
522: &Apache::lonxml::debug("Answer wants $answer");
523: my $truename=$truelist[$whichtrue];
524: my $dosplice=1;
525: if ($notrue && $Apache::lonhomework::type ne 'survey') {
526: $dosplice=0;
1.134 bisitz 527: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.83 albertel 528: }
529: #insert the true statement, keeping track of where it wants to be
530: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
531: $toplist[$top{$truename}]=$truename;
532: $answer=-1;
533: foreach my $top (reverse(@toplist)) {
534: if ($top) { $answer++;}
535: if ($top eq $truename) { last; }
1.49 albertel 536: }
1.83 albertel 537: $dosplice=0;
538: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
539: $bottomlist[$bottom{$truename}]=$truename;
540: $answer=-1;
541: foreach my $bot (@bottomlist) {
542: if ($bot) { $answer++;}
543: if ($bot eq $truename) { last; }
1.49 albertel 544: }
1.83 albertel 545: $answer+=$topcount+$#whichfalse+1;
546: $dosplice=0;
1.49 albertel 547: } else {
1.83 albertel 548: if ($topcount>0 || $bottomcount>0) {
549: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
550: + $topcount;
551: }
552: }
553: &Apache::lonxml::debug("Answer now wants $answer");
554: #add the top items to the top, bottom items to the bottom
555: for (my $i=0;$i<=$#toplist;$i++) {
556: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 557: }
1.83 albertel 558: for (my $i=0;$i<=$#bottomlist;$i++) {
559: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 560: }
1.83 albertel 561: #if the true statement is randomized insert it into the list
562: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 563: }
1.83 albertel 564: &Apache::lonxml::debug("Answer is $answer");
565: return ($answer,@whichfalse);
1.28 albertel 566: }
567:
568: sub displayfoils {
1.123 albertel 569: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 570: my $result;
1.28 albertel 571:
1.22 albertel 572: my $part=$Apache::inputtags::part;
1.83 albertel 573: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
574: if ( ($target ne 'tex') &&
575: &Apache::response::show_answer() ) {
1.90 albertel 576: if ($direction eq 'horizontal') {
577: if ($target ne 'tex') {
578: $result.='<table><tr>';
579: }
580: }
1.123 albertel 581: foreach my $name (@{ $whichfoils }) {
1.90 albertel 582: if ($direction eq 'horizontal') {
583: if ($target ne 'tex') { $result.='<td>'; }
584: }
1.83 albertel 585: if ($target ne 'tex') {
586: $result.="<br />";
587: } else {
588: $result.='\item \vskip -2 mm ';
589: }
590: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.132 bisitz 591: if ($target ne 'tex') {
592: $result.=&mt('Correct:').'<b>';
593: } else {
594: $result.=&mt('Correct:').' \textbf{';
595: }
1.83 albertel 596: } else {
1.132 bisitz 597: $result.=&mt('Incorrect:');
1.83 albertel 598: }
1.94 matthew 599: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 600: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 601: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 602: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
603: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
604: }
1.90 albertel 605: if ($direction eq 'horizontal') {
606: if ($target ne 'tex') { $result.='</td>'; }
607: }
608: }
609: if ($direction eq 'horizontal') {
610: if ($target ne 'tex') {
611: $result.='</tr></table>';
612: }
1.83 albertel 613: }
614: } else {
615: my @alphabet = ('A'..'Z');
616: my $i = 0;
1.116 foxr 617: my $bubble_number = 0;
1.124 albertel 618: my $line = 0;
1.83 albertel 619: my $temp=0;
620: my $id=$Apache::inputtags::response['-1'];
621: my $part=$Apache::inputtags::part;
622: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
623: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 624: if ($target ne 'tex' && $direction eq 'horizontal') {
625: $result.="<table><tr>";
626: }
1.123 albertel 627: foreach my $name (@{ $whichfoils }) {
1.83 albertel 628: if ($target ne 'tex') {
1.90 albertel 629: if ($direction eq 'horizontal') {
630: $result.="<td>";
631: } else {
632: $result.="<br />";
633: }
634: }
635: if ($target ne 'tex') {
1.94 matthew 636: $result.= '<label>';
1.113 albertel 637: $result.=
638: "<input type=\"radio\"
639: onchange=\"javascript:setSubmittedPart('$part');\"
640: name=\"HWVAL_$Apache::inputtags::response['-1']\"
641: value=\"$temp\" ";
1.83 albertel 642: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 643: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 644: } else {
645: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 646: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 647: $line++;
1.116 foxr 648: $i = 0;
649: $bubble_number = 0;
1.124 albertel 650: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 651: }
1.124 albertel 652: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
653: $i++;
654: $bubble_number++;
1.83 albertel 655: } else {
1.135 ! onken 656: if($env{'form.pdfFormFields'} eq 'yes') {
! 657:
! 658: my $fieldname = $env{'request.symb'}.
! 659: '&part_'. $Apache::inputtags::part.
! 660: '&radiobuttonresponse'.
! 661: '&HWVAL_' . $Apache::inputtags::response['-1'];
! 662: my $value = $temp;
! 663: my $text = $Apache::response::foilgroup{$name.'.text'};
! 664: $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname, $value, $text).'\newline'."\n";
! 665: } else {
! 666: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
! 667: }
! 668: }
1.83 albertel 669: }
1.90 albertel 670: if ($target ne 'tex' && $direction eq 'horizontal') {
671: $result.="</td>";
672: }
1.83 albertel 673: $temp++;
674: }
1.90 albertel 675: if ($target ne 'tex' && $direction eq 'horizontal') {
676: $result.="</tr></table>";
677: }
1.83 albertel 678: }
1.92 albertel 679: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 680: return $result;
1.81 albertel 681: }
682:
683: sub displayallanswers {
1.106 albertel 684: my @names;
685: if ( $Apache::response::foilgroup{'names'} ) {
686: @names= @{ $Apache::response::foilgroup{'names'} };
687: }
1.81 albertel 688: my $result=&Apache::response::answer_header('radiobuttonresponse');
689: foreach my $name (@names) {
690: $result.=&Apache::response::answer_part('radiobuttonresponse',
691: $Apache::response::foilgroup{$name.'.value'});
692: }
693: $result.=&Apache::response::answer_footer('radiobuttonresponse');
694: return $result;
1.14 albertel 695: }
696:
1.28 albertel 697: sub displayanswers {
1.124 albertel 698: my ($answer, $whichopt, $bubbles_per_line)=@_;
699: my $result;
700:
1.105 albertel 701: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 702: my $line = int($answer/$bubbles_per_line);
703: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
704: $result .= &Apache::response::answer_header('radiobuttonresponse',
705: $line);
706: $result .= &Apache::response::answer_part('radiobuttonresponse',
707: $correct);
708: } else {
709: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 710: }
1.123 albertel 711: foreach my $name (@{ $whichopt }) {
1.83 albertel 712: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 713: $Apache::response::foilgroup{$name.'.value'});
714: }
1.83 albertel 715: $result.=&Apache::response::answer_footer('radiobuttonresponse');
716: return $result;
1.28 albertel 717: }
718:
1.14 albertel 719: sub start_conceptgroup {
1.83 albertel 720: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
721: $Apache::radiobuttonresponse::conceptgroup=1;
722: %Apache::response::conceptgroup=();
723: my $result;
724: if ($target eq 'edit') {
725: $result.=&Apache::edit::tag_start($target,$token);
726: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
727: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
728: } elsif ($target eq 'modified') {
729: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
730: $safeeval,'concept');
731: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
732: }
733: return $result;
1.14 albertel 734: }
735:
736: sub end_conceptgroup {
1.83 albertel 737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
738: $Apache::radiobuttonresponse::conceptgroup=0;
739: my $result;
740: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
741: $target eq 'tex' || $target eq 'analyze') {
742: &Apache::response::pick_foil_for_concept($target,
743: ['value','text','location'],
744: \%Apache::hint::radiobutton,
745: $parstack,$safeeval);
746: } elsif ($target eq 'edit') {
747: $result=&Apache::edit::end_table();
748: }
749: return $result;
1.26 albertel 750: }
751:
752: sub insert_conceptgroup {
1.83 albertel 753: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
754: return $result;
1.1 albertel 755: }
756:
757: sub start_foil {
1.83 albertel 758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
759: my $result='';
760: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
761: &Apache::lonxml::startredirection;
1.95 albertel 762: if ($target eq 'analyze') {
763: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
764: }
1.83 albertel 765: } elsif ($target eq 'edit') {
766: $result=&Apache::edit::tag_start($target,$token);
767: $result.=&Apache::edit::text_arg('Name:','name',$token);
768: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
769: ['unused','true','false'],
770: $token);
771: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
772: $safeeval,'-3');
773: if ($randomize ne 'no') {
774: $result.=&Apache::edit::select_arg('Location:','location',
775: ['random','top','bottom'],$token);
776: }
777: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
778: } elsif ($target eq 'modified') {
779: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
780: $safeeval,'value','name',
781: 'location');
782: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
783: }
784: return $result;
1.1 albertel 785: }
786:
787: sub end_foil {
1.83 albertel 788: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
789: my $text='';
790: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
791: $text=&Apache::lonxml::endredirection;
792: }
1.85 albertel 793: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
794: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 795: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
796: if ($value ne 'unused') {
797: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 798: if ($name eq "") {
1.134 bisitz 799: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.98 albertel 800: $name=$Apache::lonxml::curdepth;
801: }
1.85 albertel 802: if (defined($Apache::response::foilnames{$name})) {
1.134 bisitz 803: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.85 albertel 804: }
1.86 albertel 805: $Apache::response::foilnames{$name}++;
1.85 albertel 806: my $location =&Apache::lonxml::get_param('location',$parstack,
807: $safeeval);
1.83 albertel 808: if ( $Apache::radiobuttonresponse::conceptgroup
809: && !&Apache::response::showallfoils() ) {
810: push @{ $Apache::response::conceptgroup{'names'} }, $name;
811: $Apache::response::conceptgroup{"$name.value"} = $value;
812: $Apache::response::conceptgroup{"$name.text"} = $text;
813: $Apache::response::conceptgroup{"$name.location"} = $location;
814: } else {
815: push @{ $Apache::response::foilgroup{'names'} }, $name;
816: $Apache::response::foilgroup{"$name.value"} = $value;
817: $Apache::response::foilgroup{"$name.text"} = $text;
818: $Apache::response::foilgroup{"$name.location"} = $location;
819: }
820: }
1.18 albertel 821: }
1.83 albertel 822: return '';
1.1 albertel 823: }
824:
1.27 albertel 825: sub insert_foil {
1.83 albertel 826: return '
1.27 albertel 827: <foil name="" value="unused">
828: <startouttext />
829: <endouttext />
830: </foil>';
831: }
1.1 albertel 832: 1;
833: __END__
834:
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