1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.152 2008/09/11 17:38:14 onken Exp $
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: #
28: package Apache::optionresponse;
29: use strict;
30: use Apache::response();
31: use Apache::lonlocal;
32: use Apache::lonnet;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
36: }
37:
38: sub start_optionresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result='';
41: #when in a option response use these
42: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
43: push (@Apache::lonxml::namespace,'optionresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: %Apache::hint::option=();
46: undef(%Apache::response::foilnames);
47: if ($target eq 'edit') {
48: $result.=&Apache::edit::start_table($token).
49: "<tr><td>Multiple Option Response Question ".
50: &Apache::loncommon::help_open_topic('Option_Response_Problems')."</td><td>Delete:".
51: &Apache::edit::deletelist($target,$token)
52: ."</td><td> ".
53: &Apache::edit::end_row().
54: &Apache::edit::start_spanning_row().
55: "\n";
56: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
57: $token,'4').
58: &Apache::edit::select_arg('Randomize Foil Order','randomize',
59: ['yes','no'],$token).
60: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
61: [['horizontal',&mt('Normal list')],
62: ['vertical',&mt('Listed in a vertical column')]],$token).
63: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
64: } elsif ($target eq 'modified') {
65: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
66: $safeeval,'max','randomize',
67: 'TeXlayout');
68: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
69: } elsif ($target eq 'meta') {
70: $result=&Apache::response::meta_package_write('optionresponse');
71: } elsif ($target eq 'analyze') {
72: my $part_id="$Apache::inputtags::part.$id";
73: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
74: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
75: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
76:
77: }
78: return $result;
79: }
80:
81: sub end_optionresponse {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83: &Apache::response::end_response;
84: pop @Apache::lonxml::namespace;
85: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
86: my $result;
87: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
88: undef(%Apache::response::foilnames);
89: return $result;
90: }
91:
92: %Apache::response::foilgroup=();
93: sub start_foilgroup {
94: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
95:
96: my $result='';
97: %Apache::response::foilgroup=();
98: $Apache::optionresponse::conceptgroup=0;
99: &Apache::response::pushrandomnumber();
100: if ($target eq 'edit') {
101: my $optionlist="<option></option>\n";
102: my $option;
103: my @opt;
104: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
105: my $count=1;
106: foreach $option (@opt) {
107: $optionlist.="<option value=\"$count\">$option</option>\n";
108: $count++;
109: }
110: my $insertlist=&Apache::edit::insertlist($target,$token);
111: $result.=&Apache::edit::start_table($token);
112: $result.= (<<ENDTABLE);
113: <tr><td>Select Options</td>
114: <td>
115: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
116: </td>
117: <td>Delete an Option:
118: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
119: ENDTABLE
120: $result.= &Apache::edit::checked_arg('Print options:','texoptions',
121: [ ['nochoice','Don\'t show option list'] ]
122: ,$token);
123: $result.= &Apache::edit::end_row();
124: $result.= &Apache::edit::start_spanning_row();
125: $result.= $insertlist.'<br />';
126: }
127: if ($target eq 'modified') {
128: my @options;
129: my $optchanged=0;
130: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
131: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
132: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
133: &Apache::lonxml::debug("Deleting :$delopt:");
134: splice(@options,$delopt-1,1);
135: $optchanged=1;
136: }
137: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
138: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
139: if ($options[0]) {
140: push(@options,$newopt);
141: } else {
142: $options[0]=$newopt;
143: }
144: $optchanged=1;
145: }
146: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
147: ('texoptions'));
148: if ($optchanged || $rebuildtag ) {
149: $result = "<foilgroup options=\"(";
150: foreach my $option (@options) {
151: $option=~s/\'/\\\'/g;
152: &Apache::lonxml::debug("adding option :$option:");
153: $result .="'".$option."',";
154: }
155: chop $result;
156: $result.=')" ';
157: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
158: $result .= '>';
159: } # else nothing changed so just use the default mechanism
160: }
161: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
162: if($env{'form.pdfFormFields'} ne 'yes') {
163: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
164: \begin{enumerate} ';
165: } else {
166: $result .= "\\\\";
167: }
168: }
169: return $result;
170: }
171:
172: sub end_foilgroup {
173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
174:
175: my $result;
176: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
177: $target eq 'tex' || $target eq 'analyze') {
178: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
179: my $name;
180: my @opt;
181: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
182: &Apache::lonxml::debug("options:".join(':',@opt));
183:
184: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
185: -2,0);
186: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
187: &Apache::lonxml::debug("Options are $#opt");
188: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
189: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
190: $safeeval,'-2');
191: if ($target eq 'web' || $target eq 'tex') {
192: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
193: $Apache::lonxml::post_evaluate=0;
194: } elsif ( $target eq 'answer') {
195: $result.=&displayanswers($max,$randomize,@opt);
196:
197: } elsif ( $target eq 'analyze') {
198: my @shown = &whichfoils($max,$randomize);
199: &Apache::response::analyze_store_foilgroup(\@shown,
200: ['text','value','location']);
201: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
202: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
203: } elsif ( $target eq 'grade') {
204: if ( &Apache::response::submitted()) {
205: my @whichopt = &whichfoils($max,$randomize);
206: my $temp=1;my $name;
207: my %responsehash;
208: my %grade;
209: my $right=0;
210: my $wrong=0;
211: my $ignored=0;
212: foreach $name (@whichopt) {
213: my $response=&Apache::response::getresponse($temp);
214: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
215: $response = $opt[$response];
216: }
217: if ( $response =~ /[^\s]/) {
218: $responsehash{$name}=$response;
219: my $value=$Apache::response::foilgroup{$name.'.value'};
220: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
221: if ($value eq $response) {
222: $grade{$name}='1'; $right++;
223: } else {
224: $grade{$name}='0'; $wrong++;
225: }
226: } else {
227: $ignored++;
228: }
229: $temp++;
230: }
231: my $part=$Apache::inputtags::part;
232: my $id = $Apache::inputtags::response['-1'];
233: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
234: my $gradestr =&Apache::lonnet::hash2str(%grade);
235: my %previous=&Apache::response::check_for_previous($responsestr,
236: $part,$id);
237: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
238: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
239: $responsestr;
240: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
241:
242: if ($Apache::lonhomework::type eq 'survey') {
243: if ($ignored == 0) {
244: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
245: &Apache::response::handle_previous(\%previous,$ad);
246: } elsif ($wrong==0 && $right==0) {
247: } else {
248: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
249: &Apache::response::handle_previous(\%previous,$ad);
250: }
251: } elsif (!$Apache::lonhomework::scantronmode) {
252: my $ad;
253: if ($wrong==0 && $ignored==0) {
254: $ad='EXACT_ANS';
255: } elsif ($wrong==0 && $right==0) {
256: #nothing submitted
257: } else {
258: if ($ignored==0) {
259: $ad='INCORRECT';
260: } else {
261: $ad='MISSING_ANSWER';
262: }
263: }
264: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
265: &Apache::response::handle_previous(\%previous,$ad);
266: } else {
267: my $ad;
268: if ($wrong==0 && $right==0) {
269: #nothing submitted only assign a score if we
270: #need to override a previous grade
271: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
272: $ad='ASSIGNED_SCORE';
273: }
274: } else {
275: $ad='ASSIGNED_SCORE';
276: }
277: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
278: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
279: $right/(scalar(@whichopt));
280: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
281: scalar(@whichopt);
282: }
283: }
284: }
285: my $part_id = $Apache::inputtags::part;
286: my $response_id = $Apache::inputtags::response[-1];
287: &Apache::lonxml::increment_counter(&getfoilcounts($max),
288: "$part_id.$response_id");
289: if ($target eq 'analyze') {
290: &Apache::lonhomework::set_bubble_lines();
291: }
292:
293: } elsif ($target eq 'edit') {
294: $result.=&Apache::edit::end_table();
295: }
296: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
297: if($env{'form.pdfFormFields'} ne 'yes') {
298: $result .= '\end{enumerate}';
299: } else {
300: $result .= "\\\\";
301: }
302: }
303: &Apache::response::poprandomnumber();
304: return $result;
305: }
306:
307: sub getfoilcounts {
308: my ($max)=@_;
309: # +1 since instructors will count from 1
310: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
311: if (&Apache::response::showallfoils()) { $max=$count; }
312: if ($count>$max) { $count=$max }
313: &Apache::lonxml::debug("Count is $count from $max");
314: return $count;
315: }
316:
317: sub whichfoils {
318: my ($max,$randomize)=@_;
319: return &Apache::response::whichorder($max,$randomize,
320: &Apache::response::showallfoils(),
321: \%Apache::response::foilgroup);
322: }
323:
324: sub displayanswers {
325: my ($max,$randomize,@opt)=@_;
326: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
327: my @names = @{ $Apache::response::foilgroup{'names'} };
328: my @whichopt = &whichfoils($max,$randomize);
329: my $result;
330: if ($Apache::lonhomework::type eq 'exam') {
331: my $i = 0;
332: my %opt = map { ($_,$i++) } @opt;
333:
334: $i = 0;
335: my @alphabet = ('A'..'Z');
336: foreach my $name (@whichopt) {
337: $result.=&Apache::response::answer_header('optionresponse',$i++);
338: $result.=&Apache::response::answer_part('optionresponse',
339: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
340: $result.=&Apache::response::answer_part('optionresponse',
341: $Apache::response::foilgroup{$name.'.value'});
342: $result.=&Apache::response::answer_footer('optionresponse');
343: }
344: } else {
345: $result=&Apache::response::answer_header('optionresponse');
346: foreach my $name (@whichopt) {
347: $result.=&Apache::response::answer_part('optionresponse',
348: $Apache::response::foilgroup{$name.'.value'});
349: }
350: $result.=&Apache::response::answer_footer('optionresponse');
351: }
352: return $result;
353: }
354:
355: sub check_for_invalid {
356: my ($names,$options) = @_;
357: my %bad_names;
358: foreach my $name (@{ $names }) {
359: my $value=$Apache::response::foilgroup{$name.'.value'};
360: my $found=0;
361: foreach my $option (@{ $options }) {
362: if ($value eq $option) { $found=1; }
363: }
364: if (!$found) { $bad_names{$name}=$value; }
365: }
366: if (%bad_names) {
367: my $error=&mt('The question can not be gotten correct, '.
368: 'the following foils in the <optionresponse> '.
369: 'have invalid correct options').' <br /><tt>'.
370: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
371: "</tt>";
372: &Apache::lonxml::error($error);
373: }
374: }
375:
376: sub displayfoils {
377: my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
378: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
379: my @names = @{ $Apache::response::foilgroup{'names'} };
380: my @truelist;
381: my @falselist;
382: my $result;
383: my $name;
384: my $displayoptionintex=1;
385: my @alphabet = ('A'..'Z');
386: my @whichopt = &whichfoils($max,$randomize);
387: &check_for_invalid(\@whichopt,\@opt);
388: my $part=$Apache::inputtags::part;
389: my $id=$Apache::inputtags::response[-1];
390: my $break;
391: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
392: if ( ($target ne 'tex') &&
393: &Apache::response::show_answer() ) {
394: my $temp=1;
395: foreach $name (@whichopt) {
396: my $text=$Apache::response::foilgroup{$name.'.text'};
397: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
398: my $lastopt=$lastresponse{$name};
399: if ($text!~/^\s*$/) { $break='<br />'; }
400: $result.=$break;
401: if ($target eq 'web') {
402: my $value=$Apache::response::foilgroup{$name.'.value'};
403: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
404: if ($text=~/^\s*$/) {
405: $text=$value.$text;
406: } else {
407: $text='<b>'.$value.':</b> '.$text;
408: }
409: } else {
410: $text='•'.$text;
411: }
412: $result.=$text."\n";
413: }
414: if ($Apache::lonhomework::type eq 'exam') {
415: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
416: }
417: $temp++;
418: }
419: } else {
420: my $temp=1;
421: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
422: my $internal_counter=$Apache::lonxml::counter;
423: foreach $name (@whichopt) {
424: my $text=$Apache::response::foilgroup{$name.'.text'};
425: if ($text!~/^\s*$/) {
426: if ($target eq 'tex') {
427: $break='\vskip 0 mm ';
428: } elsif ($target eq 'web') {
429: $break='<br />';
430: }
431: }
432: my $lastopt=$lastresponse{$name};
433: my $optionlist="<option></option>\n";
434:
435: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes') {
436: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
437: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
438: }
439:
440: foreach my $option (@opt) {
441: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
442: if ($option eq $lastopt) {
443: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
444: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
445: } else {
446: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
447: }
448: } else {
449: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
450: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
451: } else {
452: $optionlist.="<option value='".$escopt."'>$option</option>\n";
453: }
454: }
455: }
456: if ($target ne 'tex') {
457: if ($Apache::lonhomework::type ne 'exam') {
458: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
459: $part.'\');" name="HWVAL_'.
460: $Apache::inputtags::response['-1'].':'.$temp.'">'.
461: $optionlist."</select>\n";
462: } else {
463: $optionlist='<u>'.(' 'x10).'</u>';
464: }
465: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
466: if ($Apache::lonhomework::type ne 'exam') {
467: $text='•'.$text;
468: }
469: } else {
470: if ($Apache::lonhomework::type ne 'exam') {
471: $text=$optionlist.$text;
472: }
473: }
474: $result.=$break.$text."\n";
475: if ($Apache::lonhomework::type eq 'exam') {
476: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
477: }
478: $temp++;
479: } else {
480: my $texoptionlist='';
481: if ($displayoptionintex &&
482: $Apache::lonhomework::type ne 'exam') {
483: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
484: }
485: if ($text=~/<drawoptionlist\s*\/>/) {
486: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
487: }
488:
489: if ($text=~m/\\item /) {
490: if ($Apache::lonhomework::type eq 'exam') {
491: $text=~s/\\item/\\vskip 2 mm/;
492: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
493: $result.= $texoptionlist.$text;
494: }
495: } else {
496: if ($Apache::lonhomework::type eq 'exam') {
497: $result.= $texoptionlist.' '.$text;
498: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
499: if ($text=~/\S/) {
500: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
501: } else {
502: $result.= $texoptionlist;
503: }
504: }
505: }
506: if ($Apache::lonhomework::type eq 'exam') {
507: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
508: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
509: '\end{enumerate} \vskip -8 mm \strut ';
510: $internal_counter++;
511: }
512: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
513: $text =~ s/.*indent(.*)$/$1/;
514: $text = $1;
515: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
516: $temp++;
517: }
518: $displayoptionintex=0;
519: }
520: }
521: }
522:
523: if ($target eq 'web') {
524: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
525: [\@whichopt,
526: 'submissiongrading']);
527: }
528:
529: if ($target ne 'tex') {
530: return $result.$break;
531: } else {
532: return $result;
533: }
534: }
535:
536:
537: sub optionlist_correction {
538: my ($TeXlayout,@options) = @_;
539: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
540: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
541: if (scalar(@options) > 0) {
542: foreach my $option (@options) {
543: $texoptionlist.='{\bf '.
544: &Apache::lonxml::latex_special_symbols($option).
545: '}';
546: if ($TeXlayout eq 'vertical') {
547: $texoptionlist.=' \vskip 0 mm ',
548: } else {
549: $texoptionlist.=', ';
550: }
551: }
552: $texoptionlist=~s/, $//;
553: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
554: } else {
555: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
556: }
557: return $texoptionlist;
558: }
559:
560:
561: sub webbubbles {
562: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
563: my @opt=@$ropt;
564: my @alphabet=@$ralphabet;
565: my $result='';
566: my $number_of_bubbles = $#opt + 1;
567: $result.= '<table border="1"><tr>';
568: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
569: my $checked='';
570: if ($lastopt eq $opt[$ind]) {
571: $checked=' checked="on" ';
572: }
573: $result.='<td><input type="radio" name="HWVAL_'.
574: $Apache::inputtags::response['-1'].':'.$temp.
575: '" value="'.$opt[$ind].'" '.$checked.' />';
576: if ($alphabet[$ind]) {
577: $result.=$alphabet[$ind].': ';
578: }
579: $result.=$opt[$ind].'</td>';
580: }
581: $result.='</tr></table>';
582: return $result;
583: }
584:
585:
586: sub bubbles {
587: my ($ralphabet,$ropt,$response, $max_width) = @_;
588: my @alphabet = @$ralphabet;
589: my @opt = @$ropt;
590: my ($result,$head,$line) =('','','');
591: my $number_of_bubbles = $#opt + 1;
592: my $current_length = 0;
593: my $textwidth;
594: if (defined($max_width)) {
595: $textwidth=$max_width;
596: &Apache::lonxml::debug("Max width passed in: $max_width");
597: } elsif ($env{'form.textwidth'} ne '') {
598: $env{'form.textwidth'}=~/(\d+)/;
599: $textwidth=$1;
600: &Apache::lonxml::debug("Max width from form: $textwidth");
601: } else {
602: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
603: $textwidth=$1.'.'.$2;
604: &Apache::lonxml::debug("Max width defaults? $textwidth");
605: }
606: &Apache::lonxml::debug("Final maxwidth: $textwidth");
607: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
608: my $leftmargin;
609: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
610: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
611: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
612:
613: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
614: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
615: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
616: $head.='lr';
617: } else {
618: $line=~s/\&\s*$//;
619: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
620: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
621: $head ='lr';
622: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
623: }
624:
625: }
626: return $result;
627: }
628:
629:
630: sub start_conceptgroup {
631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
632: $Apache::optionresponse::conceptgroup=1;
633: %Apache::response::conceptgroup=();
634: my $result;
635: if ($target eq 'edit') {
636: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
637: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
638: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
639: }
640: if ($target eq 'modified') {
641: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
642: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
643: }
644: return $result;
645: }
646:
647: sub end_conceptgroup {
648: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
649: $Apache::optionresponse::conceptgroup=0;
650: my $result='';
651: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
652: $target eq 'tex' || $target eq 'analyze') {
653: #if not there aren't any foils to display and thus no question
654: &Apache::response::pick_foil_for_concept($target,
655: ['value','text','location'],
656: \%Apache::hint::option,
657: $parstack,$safeeval);
658: } elsif ($target eq 'edit') {
659: $result=&Apache::edit::end_table();
660: }
661: return $result;
662: }
663:
664: sub insert_conceptgroup {
665: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
666: return $result;
667: }
668:
669: sub start_foil {
670: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
671: my $result='';
672: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
673: &Apache::lonxml::startredirection;
674: if ($target eq 'analyze') {
675: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
676: }
677: } elsif ($target eq 'edit') {
678: $result=&Apache::edit::tag_start($target,$token,"Foil");
679: my $level='-2';
680: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
681: my @opt;
682: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
683: $result.=&Apache::edit::text_arg('Name:','name',$token);
684: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
685: ['unused',(@opt)],$token,'15');
686: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
687: $safeeval,'-3');
688: if ($randomize ne 'no') {
689: $result.=&Apache::edit::select_arg('Location:','location',
690: ['random','top','bottom'],$token);
691: }
692: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
693: } elsif ($target eq 'modified') {
694: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
695: 'value','name','location');
696: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
697: }
698: return $result;
699: }
700:
701: sub end_foil {
702: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
703: my $text ='';
704: my $result = '';
705: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
706: $text=&Apache::lonxml::endredirection;
707: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
708: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
709: }
710: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
711: || $target eq 'tex' || $target eq 'analyze') {
712: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
713: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
714: $text='\vskip 5mm $\triangleright$ '.$text;
715: }
716: if ($value ne 'unused') {
717: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
718: &Apache::lonxml::debug("Got a name of :$name:");
719: if ($name eq "") {
720: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
721: $name=$Apache::lonxml::curdepth;
722: }
723: &Apache::lonxml::debug("Using a name of :$name:");
724: if (defined($Apache::response::foilnames{$name})) {
725: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
726: }
727: $Apache::response::foilnames{$name}++;
728: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
729: if ( $Apache::optionresponse::conceptgroup
730: && !&Apache::response::showallfoils() ) {
731: push @{ $Apache::response::conceptgroup{'names'} }, $name;
732: $Apache::response::conceptgroup{"$name.value"} = $value;
733: $Apache::response::conceptgroup{"$name.text"} = $text;
734: $Apache::response::conceptgroup{"$name.location"} = $location;
735: } else {
736: push @{ $Apache::response::foilgroup{'names'} }, $name;
737: $Apache::response::foilgroup{"$name.value"} = $value;
738: $Apache::response::foilgroup{"$name.text"} = $text;
739: $Apache::response::foilgroup{"$name.location"} = $location;
740: }
741: }
742: }
743: if ($target eq 'edit') {
744: $result.= &Apache::edit::tag_end($target,$token,'');
745: }
746: return $result;
747: }
748:
749: sub start_drawoptionlist {
750: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
751: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
752: return $token->[4];
753: }
754: }
755:
756: sub end_drawoptionlist {
757: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
758: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
759: return $token->[2];
760: }
761: }
762:
763: sub insert_foil {
764: return '
765: <foil name="" value="unused">
766: <startouttext />
767: <endouttext />
768: </foil>';
769: }
770:
771: sub insert_drawoptionlist {
772: return '<drawoptionlist />';
773: }
774: 1;
775: __END__
776:
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