Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.134.2.1
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.134.2.1! raeburn 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' ) {
1.134.2.1! raeburn 68: $result.=&Apache::edit::start_table($token)
! 69: .'<tr><td>'.&Apache::lonxml::description($token)
! 70: .&Apache::loncommon::help_open_topic('Radio_Response_Problems')
! 71: .'</td>'
! 72: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
! 73: .&Apache::edit::deletelist($target,$token)
! 74: .'</span></td>'
! 75: .'<td> '.&Apache::edit::end_row()
! 76: .&Apache::edit::start_spanning_row();
1.83 albertel 77: $result.=
78: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
1.134.2.1! raeburn 79: $token,'4').' 'x 3 .
! 80: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
! 81: ['yes','no'],$token).' 'x 3 .
! 82: &Apache::edit::select_arg('Display Direction:','direction',
1.103 albertel 83: ['vertical','horizontal'],$token).
1.83 albertel 84: &Apache::edit::end_row().
85: &Apache::edit::start_spanning_row()."\n";
86: } elsif ($target eq 'modified') {
87: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
88: $safeeval,'max',
1.103 albertel 89: 'randomize','direction');
1.83 albertel 90: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
91: } elsif ($target eq 'tex') {
92: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
93: undef,0);
94: if ($type eq '1') {
95: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
96: } elsif ($type eq 'A') {
97: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
98: } elsif ($type eq 'a') {
99: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
100: } elsif ($type eq 'i') {
101: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 102: } else {
103: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 104: }
105: $result .= '\begin{enumerate}';
106: } elsif ($target eq 'analyze') {
107: my $part_id="$Apache::inputtags::part.$id";
1.131 raeburn 108: $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
1.83 albertel 109: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
110: }
111: return $result;
1.1 albertel 112: }
113:
114: sub end_radiobuttonresponse {
1.83 albertel 115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
116: my $result;
117: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
118: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
119: &Apache::response::end_response;
120: pop @Apache::lonxml::namespace;
121: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 122: undef(%Apache::response::foilnames);
1.83 albertel 123: return $result;
1.1 albertel 124: }
125:
1.43 albertel 126: %Apache::response::foilgroup=();
1.1 albertel 127: sub start_foilgroup {
1.83 albertel 128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
129: my $result;
130: %Apache::response::foilgroup=();
131: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 132: &Apache::response::pushrandomnumber();
1.83 albertel 133: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
134: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
135: }
136: return $result;
1.5 albertel 137: }
138:
1.15 albertel 139: sub storesurvey {
1.99 albertel 140: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 141: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 142: &Apache::lonxml::debug("Here I am!:$response:");
143: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 144: my $part = $Apache::inputtags::part;
1.83 albertel 145: my $id = $Apache::inputtags::response['-1'];
146: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
147: my %responsehash;
148: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 149: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
150: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
151: $responsestr;
152: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
153: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
154: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 155: &Apache::lonxml::debug("submitted a $response<br />\n");
156: return '';
1.15 albertel 157: }
158:
1.120 foxr 159:
1.32 albertel 160: sub grade_response {
1.123 albertel 161: my ($answer, $whichfoils, $bubbles_per_line)=@_;
162:
1.99 albertel 163: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 164: my $response;
1.118 foxr 165:
1.100 albertel 166: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 167: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 168: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 169: $bubbles_per_line),
170: $bubbles_per_line);
1.116 foxr 171:
1.83 albertel 172: } else {
1.100 albertel 173: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 174: }
1.120 foxr 175:
1.118 foxr 176:
1.83 albertel 177: if ( $response !~ /[0-9]+/) { return; }
178: my $part=$Apache::inputtags::part;
179: my $id = $Apache::inputtags::response['-1'];
180: my %responsehash;
1.123 albertel 181: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 182: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
183: my %previous=&Apache::response::check_for_previous($responsestr,
184: $part,$id);
185: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
186: $responsestr;
187: &Apache::lonxml::debug("submitted a $response<br />\n");
188: my $ad;
189: if ($response == $answer) {
190: $ad='EXACT_ANS';
191: } else {
192: $ad='INCORRECT';
193: }
194: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
195: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 196: }
197:
1.1 albertel 198: sub end_foilgroup {
1.83 albertel 199: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 200:
1.83 albertel 201: my $result;
1.121 foxr 202: my $bubble_lines;
203: my $bubbles_per_line;
204: my $answer_count;
1.129 foxr 205: my $id = $Apache::inputtags::response['-1'];
206: my $part = $Apache::inputtags::part;
1.121 foxr 207: $bubbles_per_line =
208: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
209: 'numbubbles',
210: $default_bubbles_per_line);
211:
212:
1.83 albertel 213: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
214: $target eq 'tex' || $target eq 'analyze') {
215: my $style = $Apache::lonhomework::type;
1.93 albertel 216: my $direction = &Apache::lonxml::get_param('direction',$parstack,
217: $safeeval,'-2');
1.83 albertel 218: if ( $style eq 'survey' && $target ne 'analyze') {
219: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 220: $result=&displayallfoils($direction, $target);
1.83 albertel 221: } elsif ( $target eq 'answer' ) {
222: $result=&displayallanswers();
223: } elsif ( $target eq 'grade' ) {
224: $result=&storesurvey();
225: }
1.121 foxr 226: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
227:
1.83 albertel 228: } else {
1.121 foxr 229:
1.83 albertel 230: my $name;
231: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
232: '-2');
233: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
234: $safeeval,'-2');
1.123 albertel 235: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 236: $answer_count = scalar(@shown);
237:
1.83 albertel 238: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 239: $result=&displayfoils($target,
1.123 albertel 240: $answer, \@shown,
1.121 foxr 241: $direction,
242: $bubbles_per_line);
1.83 albertel 243: } elsif ($target eq 'answer' ) {
1.124 albertel 244: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 245: } elsif ( $target eq 'grade') {
1.123 albertel 246: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 247: } elsif ( $target eq 'analyze') {
1.126 foxr 248: my $bubble_lines = &bubble_line_count($answer_count,
249: $bubbles_per_line);
1.83 albertel 250: &Apache::response::analyze_store_foilgroup(\@shown,
251: ['text','value','location']);
1.129 foxr 252: my $part_id="$part.$id";
1.83 albertel 253: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
254: ('true','false'));
1.130 foxr 255:
1.83 albertel 256: }
1.81 albertel 257: }
1.111 albertel 258: $Apache::lonxml::post_evaluate=0;
1.83 albertel 259: }
1.114 albertel 260: if ($target eq 'web') {
261: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
262: [\%Apache::response::foilgroup]);
263: }
1.128 foxr 264: &Apache::response::poprandomnumber();
1.121 foxr 265: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.128 foxr 266: &Apache::lonxml::increment_counter($bubble_lines,
1.129 foxr 267: "$part.$id");
1.128 foxr 268: if ($target eq 'analyze') {
269: &Apache::lonhomework::set_bubble_lines();
270: }
1.83 albertel 271: return $result;
1.6 albertel 272: }
273:
274: sub getfoilcounts {
1.83 albertel 275: my @names;
276: my $truecnt=0;
277: my $falsecnt=0;
278: my $name;
279: if ( $Apache::response::foilgroup{'names'} ) {
280: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 281: }
1.83 albertel 282: foreach $name (@names) {
283: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
284: $truecnt++;
285: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
286: $falsecnt++;
287: }
288: }
289: return ($truecnt,$falsecnt);
1.5 albertel 290: }
291:
1.114 albertel 292: sub format_prior_answer {
293: my ($mode,$answer,$other_data) = @_;
294: my $foil_data = $other_data->[0];
295: my %response = &Apache::lonnet::str2hash($answer);
296: my ($name) = keys(%response);
297: return '<span class="LC_prior_radiobutton">'.
298: $foil_data->{$name.'.text'}.'</span>';
299:
1.112 albertel 300: }
301:
1.15 albertel 302: sub displayallfoils {
1.110 foxr 303: my ($direction, $target)=@_;
1.83 albertel 304: my $result;
305: &Apache::lonxml::debug("survey style display");
1.106 albertel 306: my @names;
307: if ( $Apache::response::foilgroup{'names'} ) {
308: @names= @{ $Apache::response::foilgroup{'names'} };
309: }
1.120 foxr 310:
1.83 albertel 311: my $temp=0;
1.110 foxr 312: my $i =0;
1.83 albertel 313: my $id=$Apache::inputtags::response['-1'];
314: my $part=$Apache::inputtags::part;
315: my $lastresponse=
316: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 317: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 318: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
319: if (&Apache::response::show_answer() ) {
320: foreach my $name (@names) {
321: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 322: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 323: $result.="<td>";
324: } else {
1.110 foxr 325: if ($target eq 'tex') {
326: $result .= '\item \vskip -2mm ';
327: } else {
328: $result.="<br />";
329: }
1.93 albertel 330: }
1.84 albertel 331: if (defined($lastresponse{$name})) {
1.110 foxr 332: if ($target eq 'tex') {
333: $result .= '}';
334: } else {
335: $result.='<b>';
336: }
1.83 albertel 337: }
338: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 339: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 340: $result.='</b>';
341: }
1.110 foxr 342: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 343: }
1.45 albertel 344: }
1.83 albertel 345: } else {
346: foreach my $name (@names) {
347: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 348: if ($direction eq 'horizontal') {
349: $result.="<td>";
350: } else {
1.110 foxr 351: if ($target eq 'tex') {
352: $result .= '\item \vskip -2mm ';
353: } else {
354: $result.="<br />";
355: }
356: }
357: if ($target eq 'tex') {
358: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
359: $i++;
360: } else {
361: $result .= '<label>';
1.113 albertel 362: $result.="<input
363: onchange=\"javascript:setSubmittedPart('$part');\"
364: type=\"radio\"
365: name=\"HWVAL_$Apache::inputtags::response['-1']\"
366: value=\"$temp\" ";
1.110 foxr 367: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
368: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
369: '</label>';
1.93 albertel 370: }
1.83 albertel 371: $temp++;
1.110 foxr 372: if ($target ne 'tex') {
373: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
374: } else {
375: $result.='\vskip 0 mm ';
376: }
1.83 albertel 377: }
1.45 albertel 378: }
379: }
1.120 foxr 380:
1.110 foxr 381: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 382: return $result;
1.15 albertel 383: }
384:
1.122 albertel 385: =pod
386:
387: =item &whichfoils($max,$randomize)
388:
389: Randomizes the list of foils.
390: Respects
391: - each foils desire to be randomized
392: - the existance of Concept groups of foils (select 1 foil from each)
393: - and selects a single correct statement from all possilble true statments
394: - and limits it to a toal of $max foils
395:
1.123 albertel 396: WARNING: this routine uses the random number generator, it should only
397: be called once per target, otherwise it can cause randomness changes in
398: homework problems.
399:
1.122 albertel 400: Arguments
401: $max - maximum number of foils to select (including the true one)
402: (so a max of 5 is: 1 true, 4 false)
403:
404: $randomize - whether to randomize the listing of foils, by default
405: will randomize, only if randomize is 'no' will it not
406:
407: Returns
408: $answer - location in the array of the correct answer
409: @foils - array of foil names in to display order
410:
411: =cut
412:
1.28 albertel 413: sub whichfoils {
1.83 albertel 414: my ($max,$randomize)=@_;
1.28 albertel 415:
1.83 albertel 416: my @truelist;
417: my @falselist;
418: my @whichfalse =();
419: my ($truecnt,$falsecnt) = &getfoilcounts();
420: my $count=0;
421: # we will add in 1 of the true statements
1.104 albertel 422: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 423: my $answer=int(&Math::Random::random_uniform() * ($count));
424: &Apache::lonxml::debug("Count is $count, $answer is $answer");
425: my @names;
426: if ( $Apache::response::foilgroup{'names'} ) {
427: @names= @{ $Apache::response::foilgroup{'names'} };
428: }
429: if (&Apache::response::showallfoils()) {
430: @whichfalse=@names;
431: } elsif ($randomize eq 'no') {
432: &Apache::lonxml::debug("No randomization");
433: my $havetrue=0;
434: foreach my $name (@names) {
435: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
436: if (!$havetrue ) {
437: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
438: }
439: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
440: push (@whichfalse,$name);
441: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
442: } else {
1.87 albertel 443: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 444: }
445: }
1.97 albertel 446: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
1.134 bisitz 447: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.97 albertel 448: }
1.83 albertel 449: } else {
450: my $current=0;
451: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
452: my (%top,%bottom);
453: #first find out where everyone wants to be
454: foreach my $name (@names) {
455: $current++;
456: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
457: push (@truelist,$name);
458: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
459: $top{$name}=$current;
460: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
461: $bottom{$name}=$current;
462: }
463: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
464: push (@falselist,$name);
465: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
466: $top{$name}=$current;
467: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
468: $bottom{$name}=$current;
469: }
470: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
471: } else {
1.87 albertel 472: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 473: }
474: }
475: #pick a true statement
476: my $notrue=0;
477: if (scalar(@truelist) == 0) { $notrue=1; }
478: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
479: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
480: my (@toplist, @bottomlist);
481: my $topcount=0;
482: my $bottomcount=0;
483: # assign everyone to either toplist/bottomlist or whichfalse
484: # which false is randomized, toplist bottomlist are in order
485: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
486: &Apache::lonxml::debug("Have $#whichfalse max is $max");
487: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
488: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
489: $afalse=splice(@falselist,$afalse,1);
490: &Apache::lonxml::debug("Picked $afalse");
491: &Apache::lonhomework::showhash(('names'=>\@names));
492: &Apache::lonhomework::showhash(%top);
493: if ($top{$afalse}) {
494: $toplist[$top{$afalse}]=$afalse;
495: $topcount++;
496: } elsif ($bottom{$afalse}) {
497: $bottomlist[$bottom{$afalse}]=$afalse;
498: $bottomcount++;
499: } else {
500: push (@whichfalse,$afalse);
501: }
502: }
503: &Apache::lonxml::debug("Answer wants $answer");
504: my $truename=$truelist[$whichtrue];
505: my $dosplice=1;
506: if ($notrue && $Apache::lonhomework::type ne 'survey') {
507: $dosplice=0;
1.134 bisitz 508: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.83 albertel 509: }
510: #insert the true statement, keeping track of where it wants to be
511: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
512: $toplist[$top{$truename}]=$truename;
513: $answer=-1;
514: foreach my $top (reverse(@toplist)) {
515: if ($top) { $answer++;}
516: if ($top eq $truename) { last; }
1.49 albertel 517: }
1.83 albertel 518: $dosplice=0;
519: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
520: $bottomlist[$bottom{$truename}]=$truename;
521: $answer=-1;
522: foreach my $bot (@bottomlist) {
523: if ($bot) { $answer++;}
524: if ($bot eq $truename) { last; }
1.49 albertel 525: }
1.83 albertel 526: $answer+=$topcount+$#whichfalse+1;
527: $dosplice=0;
1.49 albertel 528: } else {
1.83 albertel 529: if ($topcount>0 || $bottomcount>0) {
530: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
531: + $topcount;
532: }
533: }
534: &Apache::lonxml::debug("Answer now wants $answer");
535: #add the top items to the top, bottom items to the bottom
536: for (my $i=0;$i<=$#toplist;$i++) {
537: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 538: }
1.83 albertel 539: for (my $i=0;$i<=$#bottomlist;$i++) {
540: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 541: }
1.83 albertel 542: #if the true statement is randomized insert it into the list
543: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 544: }
1.83 albertel 545: &Apache::lonxml::debug("Answer is $answer");
546: return ($answer,@whichfalse);
1.28 albertel 547: }
548:
549: sub displayfoils {
1.123 albertel 550: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 551: my $result;
1.28 albertel 552:
1.22 albertel 553: my $part=$Apache::inputtags::part;
1.83 albertel 554: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
555: if ( ($target ne 'tex') &&
556: &Apache::response::show_answer() ) {
1.90 albertel 557: if ($direction eq 'horizontal') {
558: if ($target ne 'tex') {
559: $result.='<table><tr>';
560: }
561: }
1.123 albertel 562: foreach my $name (@{ $whichfoils }) {
1.90 albertel 563: if ($direction eq 'horizontal') {
564: if ($target ne 'tex') { $result.='<td>'; }
565: }
1.83 albertel 566: if ($target ne 'tex') {
567: $result.="<br />";
568: } else {
569: $result.='\item \vskip -2 mm ';
570: }
571: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.132 bisitz 572: if ($target ne 'tex') {
573: $result.=&mt('Correct:').'<b>';
574: } else {
575: $result.=&mt('Correct:').' \textbf{';
576: }
1.83 albertel 577: } else {
1.132 bisitz 578: $result.=&mt('Incorrect:');
1.83 albertel 579: }
1.94 matthew 580: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 581: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 582: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 583: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
584: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
585: }
1.90 albertel 586: if ($direction eq 'horizontal') {
587: if ($target ne 'tex') { $result.='</td>'; }
588: }
589: }
590: if ($direction eq 'horizontal') {
591: if ($target ne 'tex') {
592: $result.='</tr></table>';
593: }
1.83 albertel 594: }
595: } else {
596: my @alphabet = ('A'..'Z');
597: my $i = 0;
1.116 foxr 598: my $bubble_number = 0;
1.124 albertel 599: my $line = 0;
1.83 albertel 600: my $temp=0;
601: my $id=$Apache::inputtags::response['-1'];
602: my $part=$Apache::inputtags::part;
603: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
604: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 605: if ($target ne 'tex' && $direction eq 'horizontal') {
606: $result.="<table><tr>";
607: }
1.123 albertel 608: foreach my $name (@{ $whichfoils }) {
1.83 albertel 609: if ($target ne 'tex') {
1.90 albertel 610: if ($direction eq 'horizontal') {
611: $result.="<td>";
612: } else {
613: $result.="<br />";
614: }
615: }
616: if ($target ne 'tex') {
1.94 matthew 617: $result.= '<label>';
1.113 albertel 618: $result.=
619: "<input type=\"radio\"
620: onchange=\"javascript:setSubmittedPart('$part');\"
621: name=\"HWVAL_$Apache::inputtags::response['-1']\"
622: value=\"$temp\" ";
1.83 albertel 623: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 624: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 625: } else {
626: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 627: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 628: $line++;
1.116 foxr 629: $i = 0;
630: $bubble_number = 0;
1.124 albertel 631: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 632: }
1.124 albertel 633: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
634: $i++;
635: $bubble_number++;
1.83 albertel 636: } else {
637: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
638: }
639: }
1.90 albertel 640: if ($target ne 'tex' && $direction eq 'horizontal') {
641: $result.="</td>";
642: }
1.83 albertel 643: $temp++;
644: }
1.90 albertel 645: if ($target ne 'tex' && $direction eq 'horizontal') {
646: $result.="</tr></table>";
647: }
1.83 albertel 648: }
1.92 albertel 649: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 650: return $result;
1.81 albertel 651: }
652:
653: sub displayallanswers {
1.106 albertel 654: my @names;
655: if ( $Apache::response::foilgroup{'names'} ) {
656: @names= @{ $Apache::response::foilgroup{'names'} };
657: }
1.81 albertel 658: my $result=&Apache::response::answer_header('radiobuttonresponse');
659: foreach my $name (@names) {
660: $result.=&Apache::response::answer_part('radiobuttonresponse',
661: $Apache::response::foilgroup{$name.'.value'});
662: }
663: $result.=&Apache::response::answer_footer('radiobuttonresponse');
664: return $result;
1.14 albertel 665: }
666:
1.28 albertel 667: sub displayanswers {
1.124 albertel 668: my ($answer, $whichopt, $bubbles_per_line)=@_;
669: my $result;
670:
1.105 albertel 671: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 672: my $line = int($answer/$bubbles_per_line);
673: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
674: $result .= &Apache::response::answer_header('radiobuttonresponse',
675: $line);
676: $result .= &Apache::response::answer_part('radiobuttonresponse',
677: $correct);
678: } else {
679: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 680: }
1.123 albertel 681: foreach my $name (@{ $whichopt }) {
1.83 albertel 682: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 683: $Apache::response::foilgroup{$name.'.value'});
684: }
1.83 albertel 685: $result.=&Apache::response::answer_footer('radiobuttonresponse');
686: return $result;
1.28 albertel 687: }
688:
1.14 albertel 689: sub start_conceptgroup {
1.83 albertel 690: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
691: $Apache::radiobuttonresponse::conceptgroup=1;
692: %Apache::response::conceptgroup=();
693: my $result;
694: if ($target eq 'edit') {
695: $result.=&Apache::edit::tag_start($target,$token);
696: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
697: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
698: } elsif ($target eq 'modified') {
699: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
700: $safeeval,'concept');
701: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
702: }
703: return $result;
1.14 albertel 704: }
705:
706: sub end_conceptgroup {
1.83 albertel 707: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
708: $Apache::radiobuttonresponse::conceptgroup=0;
709: my $result;
710: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
711: $target eq 'tex' || $target eq 'analyze') {
712: &Apache::response::pick_foil_for_concept($target,
713: ['value','text','location'],
714: \%Apache::hint::radiobutton,
715: $parstack,$safeeval);
716: } elsif ($target eq 'edit') {
717: $result=&Apache::edit::end_table();
718: }
719: return $result;
1.26 albertel 720: }
721:
722: sub insert_conceptgroup {
1.83 albertel 723: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
724: return $result;
1.1 albertel 725: }
726:
727: sub start_foil {
1.83 albertel 728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
729: my $result='';
730: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
731: &Apache::lonxml::startredirection;
1.95 albertel 732: if ($target eq 'analyze') {
733: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
734: }
1.83 albertel 735: } elsif ($target eq 'edit') {
736: $result=&Apache::edit::tag_start($target,$token);
737: $result.=&Apache::edit::text_arg('Name:','name',$token);
738: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
739: ['unused','true','false'],
740: $token);
741: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
742: $safeeval,'-3');
743: if ($randomize ne 'no') {
744: $result.=&Apache::edit::select_arg('Location:','location',
745: ['random','top','bottom'],$token);
746: }
747: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
748: } elsif ($target eq 'modified') {
749: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
750: $safeeval,'value','name',
751: 'location');
752: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
753: }
754: return $result;
1.1 albertel 755: }
756:
757: sub end_foil {
1.83 albertel 758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
759: my $text='';
760: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
761: $text=&Apache::lonxml::endredirection;
762: }
1.85 albertel 763: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
764: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 765: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
766: if ($value ne 'unused') {
767: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 768: if ($name eq "") {
1.134 bisitz 769: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.98 albertel 770: $name=$Apache::lonxml::curdepth;
771: }
1.85 albertel 772: if (defined($Apache::response::foilnames{$name})) {
1.134 bisitz 773: &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 774: }
1.86 albertel 775: $Apache::response::foilnames{$name}++;
1.85 albertel 776: my $location =&Apache::lonxml::get_param('location',$parstack,
777: $safeeval);
1.83 albertel 778: if ( $Apache::radiobuttonresponse::conceptgroup
779: && !&Apache::response::showallfoils() ) {
780: push @{ $Apache::response::conceptgroup{'names'} }, $name;
781: $Apache::response::conceptgroup{"$name.value"} = $value;
782: $Apache::response::conceptgroup{"$name.text"} = $text;
783: $Apache::response::conceptgroup{"$name.location"} = $location;
784: } else {
785: push @{ $Apache::response::foilgroup{'names'} }, $name;
786: $Apache::response::foilgroup{"$name.value"} = $value;
787: $Apache::response::foilgroup{"$name.text"} = $text;
788: $Apache::response::foilgroup{"$name.location"} = $location;
789: }
790: }
1.18 albertel 791: }
1.83 albertel 792: return '';
1.1 albertel 793: }
794:
1.27 albertel 795: sub insert_foil {
1.83 albertel 796: return '
1.27 albertel 797: <foil name="" value="unused">
798: <startouttext />
799: <endouttext />
800: </foil>';
801: }
1.1 albertel 802: 1;
803: __END__
804:
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