1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.154 2008/11/12 20:32:29 jms 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:
29:
30: =head1 NAME
31:
32: Apache::optionresponse.pm;
33:
34: =head1 SYNOPSIS
35:
36: Handles tags associated with showing a list of
37: options.
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42: =head1 HANDLER SUBROUTINE
43:
44: start_optionresponse()
45:
46: =head1 OTHER SUBROUTINES
47:
48: =over
49:
50: =item *
51:
52: end_optionresponse()
53:
54: =item *
55:
56: start_foilgroup()
57:
58: =item *
59:
60: end_foilgroup()
61:
62: =item *
63:
64: getfoilcounts()
65:
66: =item *
67:
68: displayanswers()
69:
70: =item *
71:
72: check_for_invalid()
73:
74: =item *
75:
76: displayfoils()
77:
78: =item *
79:
80: optionlist_correction()
81:
82: =item *
83:
84: webbubbles()
85:
86: =item *
87:
88: bubbles()
89:
90: =item *
91:
92: start_conceptgroup()
93:
94: =item *
95:
96: end_conceptgroup()
97:
98: =item *
99:
100: insert_conceptgroup()
101:
102:
103: =item *
104:
105: start_foil()
106:
107: =item *
108:
109: end_foil()
110:
111: =item *
112:
113: start_drawoptionlist()
114:
115: =item *
116:
117: end_drawoptionlist()
118:
119: =item *
120:
121: insert_foil()
122:
123: =item *
124:
125: insert_drawoptionlist()
126:
127: =item *
128:
129: =back
130:
131: =cut
132:
133:
134: package Apache::optionresponse;
135: use strict;
136: use Apache::response();
137: use Apache::lonlocal;
138: use Apache::lonnet;
139:
140: BEGIN {
141: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
142: }
143:
144: sub start_optionresponse {
145: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
146: my $result='';
147: #when in a option response use these
148: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
149: push (@Apache::lonxml::namespace,'optionresponse');
150: my $id = &Apache::response::start_response($parstack,$safeeval);
151: %Apache::hint::option=();
152: undef(%Apache::response::foilnames);
153: if ($target eq 'edit') {
154: $result.=&Apache::edit::start_table($token)
155: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
156: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
157: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
158: .&Apache::edit::deletelist($target,$token)
159: .'</span></td>'
160: ."<td> "
161: .&Apache::edit::end_row()
162: .&Apache::edit::start_spanning_row()
163: ."\n";
164: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
165: $token,'4').
166: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
167: ['yes','no'],$token).
168: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
169: [['horizontal',&mt('Normal list')],
170: ['vertical',&mt('Listed in a vertical column')]],$token).
171: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
172: } elsif ($target eq 'modified') {
173: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
174: $safeeval,'max','randomize',
175: 'TeXlayout');
176: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
177: } elsif ($target eq 'meta') {
178: $result=&Apache::response::meta_package_write('optionresponse');
179: } elsif ($target eq 'analyze') {
180: my $part_id="$Apache::inputtags::part.$id";
181: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
182: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
183: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
184:
185: }
186: return $result;
187: }
188:
189: sub end_optionresponse {
190: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
191: &Apache::response::end_response;
192: pop @Apache::lonxml::namespace;
193: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
194: my $result;
195: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
196: undef(%Apache::response::foilnames);
197: return $result;
198: }
199:
200: %Apache::response::foilgroup=();
201: sub start_foilgroup {
202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
203:
204: my $result='';
205: %Apache::response::foilgroup=();
206: $Apache::optionresponse::conceptgroup=0;
207: &Apache::response::pushrandomnumber();
208: if ($target eq 'edit') {
209: my $optionlist="<option></option>\n";
210: my $option;
211: my @opt;
212: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
213: my $count=1;
214: foreach $option (@opt) {
215: $optionlist.="<option value=\"$count\">$option</option>\n";
216: $count++;
217: }
218: my $insertlist=&Apache::edit::insertlist($target,$token);
219: $result.=&Apache::edit::start_table($token);
220: $result.= (<<ENDTABLE);
221: <tr><td>Select Options</td>
222: <td>
223: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
224: </td>
225: <td>Delete an Option:
226: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
227: ENDTABLE
228: $result.= &Apache::edit::checked_arg('Print options:','texoptions',
229: [ ['nochoice','Don\'t show option list'] ]
230: ,$token);
231: $result.= &Apache::edit::end_row();
232: $result.= &Apache::edit::start_spanning_row();
233: $result.= $insertlist.'<br />';
234: }
235: if ($target eq 'modified') {
236: my @options;
237: my $optchanged=0;
238: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
239: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
240: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
241: &Apache::lonxml::debug("Deleting :$delopt:");
242: splice(@options,$delopt-1,1);
243: $optchanged=1;
244: }
245: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
246: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
247: if ($options[0]) {
248: push(@options,$newopt);
249: } else {
250: $options[0]=$newopt;
251: }
252: $optchanged=1;
253: }
254: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
255: ('texoptions'));
256: if ($optchanged || $rebuildtag ) {
257: $result = "<foilgroup options=\"(";
258: foreach my $option (@options) {
259: $option=~s/\'/\\\'/g;
260: &Apache::lonxml::debug("adding option :$option:");
261: $result .="'".$option."',";
262: }
263: chop $result;
264: $result.=')" ';
265: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
266: $result .= '>';
267: } # else nothing changed so just use the default mechanism
268: }
269: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
270: if($env{'form.pdfFormFields'} ne 'yes') {
271: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
272: \begin{enumerate} ';
273: } else {
274: $result .= "\\\\";
275: }
276: }
277: return $result;
278: }
279:
280: sub end_foilgroup {
281: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
282:
283: my $result;
284: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
285: $target eq 'tex' || $target eq 'analyze') {
286: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
287: my $name;
288: my @opt;
289: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
290: &Apache::lonxml::debug("options:".join(':',@opt));
291:
292: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
293: -2,0);
294: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
295: &Apache::lonxml::debug("Options are $#opt");
296: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
297: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
298: $safeeval,'-2');
299: if ($target eq 'web' || $target eq 'tex') {
300: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
301: $Apache::lonxml::post_evaluate=0;
302: } elsif ( $target eq 'answer') {
303: $result.=&displayanswers($max,$randomize,@opt);
304:
305: } elsif ( $target eq 'analyze') {
306: my @shown = &whichfoils($max,$randomize);
307: &Apache::response::analyze_store_foilgroup(\@shown,
308: ['text','value','location']);
309: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
310: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
311: } elsif ( $target eq 'grade') {
312: if ( &Apache::response::submitted()) {
313: my @whichopt = &whichfoils($max,$randomize);
314: my $temp=1;my $name;
315: my %responsehash;
316: my %grade;
317: my $right=0;
318: my $wrong=0;
319: my $ignored=0;
320: foreach $name (@whichopt) {
321: my $response=&Apache::response::getresponse($temp);
322: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
323: $response = $opt[$response];
324: }
325: if ( $response =~ /[^\s]/) {
326: $responsehash{$name}=$response;
327: my $value=$Apache::response::foilgroup{$name.'.value'};
328: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
329: if ($value eq $response) {
330: $grade{$name}='1'; $right++;
331: } else {
332: $grade{$name}='0'; $wrong++;
333: }
334: } else {
335: $ignored++;
336: }
337: $temp++;
338: }
339: my $part=$Apache::inputtags::part;
340: my $id = $Apache::inputtags::response['-1'];
341: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
342: my $gradestr =&Apache::lonnet::hash2str(%grade);
343: my %previous=&Apache::response::check_for_previous($responsestr,
344: $part,$id);
345: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
346: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
347: $responsestr;
348: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
349:
350: if ($Apache::lonhomework::type eq 'survey') {
351: if ($ignored == 0) {
352: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
353: &Apache::response::handle_previous(\%previous,$ad);
354: } elsif ($wrong==0 && $right==0) {
355: } else {
356: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
357: &Apache::response::handle_previous(\%previous,$ad);
358: }
359: } elsif (!$Apache::lonhomework::scantronmode) {
360: my $ad;
361: if ($wrong==0 && $ignored==0) {
362: $ad='EXACT_ANS';
363: } elsif ($wrong==0 && $right==0) {
364: #nothing submitted
365: } else {
366: if ($ignored==0) {
367: $ad='INCORRECT';
368: } else {
369: $ad='MISSING_ANSWER';
370: }
371: }
372: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
373: &Apache::response::handle_previous(\%previous,$ad);
374: } else {
375: my $ad;
376: if ($wrong==0 && $right==0) {
377: #nothing submitted only assign a score if we
378: #need to override a previous grade
379: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
380: $ad='ASSIGNED_SCORE';
381: }
382: } else {
383: $ad='ASSIGNED_SCORE';
384: }
385: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
386: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
387: $right/(scalar(@whichopt));
388: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
389: scalar(@whichopt);
390: }
391: }
392: }
393: my $part_id = $Apache::inputtags::part;
394: my $response_id = $Apache::inputtags::response[-1];
395: &Apache::lonxml::increment_counter(&getfoilcounts($max),
396: "$part_id.$response_id");
397: if ($target eq 'analyze') {
398: &Apache::lonhomework::set_bubble_lines();
399: }
400:
401: } elsif ($target eq 'edit') {
402: $result.=&Apache::edit::end_table();
403: }
404: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
405: if($env{'form.pdfFormFields'} ne 'yes') {
406: $result .= '\end{enumerate}';
407: } else {
408: $result .= "\\\\";
409: }
410: }
411: &Apache::response::poprandomnumber();
412: return $result;
413: }
414:
415: sub getfoilcounts {
416: my ($max)=@_;
417: # +1 since instructors will count from 1
418: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
419: if (&Apache::response::showallfoils()) { $max=$count; }
420: if ($count>$max) { $count=$max }
421: &Apache::lonxml::debug("Count is $count from $max");
422: return $count;
423: }
424:
425: sub whichfoils {
426: my ($max,$randomize)=@_;
427: return &Apache::response::whichorder($max,$randomize,
428: &Apache::response::showallfoils(),
429: \%Apache::response::foilgroup);
430: }
431:
432: sub displayanswers {
433: my ($max,$randomize,@opt)=@_;
434: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
435: my @names = @{ $Apache::response::foilgroup{'names'} };
436: my @whichopt = &whichfoils($max,$randomize);
437: my $result;
438: if ($Apache::lonhomework::type eq 'exam') {
439: my $i = 0;
440: my %opt = map { ($_,$i++) } @opt;
441:
442: $i = 0;
443: my @alphabet = ('A'..'Z');
444: foreach my $name (@whichopt) {
445: $result.=&Apache::response::answer_header('optionresponse',$i++);
446: $result.=&Apache::response::answer_part('optionresponse',
447: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
448: $result.=&Apache::response::answer_part('optionresponse',
449: $Apache::response::foilgroup{$name.'.value'});
450: $result.=&Apache::response::answer_footer('optionresponse');
451: }
452: } else {
453: $result=&Apache::response::answer_header('optionresponse');
454: foreach my $name (@whichopt) {
455: $result.=&Apache::response::answer_part('optionresponse',
456: $Apache::response::foilgroup{$name.'.value'});
457: }
458: $result.=&Apache::response::answer_footer('optionresponse');
459: }
460: return $result;
461: }
462:
463: sub check_for_invalid {
464: my ($names,$options) = @_;
465: my %bad_names;
466: foreach my $name (@{ $names }) {
467: my $value=$Apache::response::foilgroup{$name.'.value'};
468: my $found=0;
469: foreach my $option (@{ $options }) {
470: if ($value eq $option) { $found=1; }
471: }
472: if (!$found) { $bad_names{$name}=$value; }
473: }
474: if (%bad_names) {
475: my $error=&mt('The question can not be gotten correct, '.
476: 'the following foils in the <optionresponse> '.
477: 'have invalid correct options').' <br /><tt>'.
478: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
479: "</tt>";
480: &Apache::lonxml::error($error);
481: }
482: }
483:
484: sub displayfoils {
485: my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
486: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
487: my @names = @{ $Apache::response::foilgroup{'names'} };
488: my @truelist;
489: my @falselist;
490: my $result;
491: my $name;
492: my $displayoptionintex=1;
493: my @alphabet = ('A'..'Z');
494: my @whichopt = &whichfoils($max,$randomize);
495: &check_for_invalid(\@whichopt,\@opt);
496: my $part=$Apache::inputtags::part;
497: my $id=$Apache::inputtags::response[-1];
498: my $break;
499: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
500: if ( ($target ne 'tex') &&
501: &Apache::response::show_answer() ) {
502: my $temp=1;
503: foreach $name (@whichopt) {
504: my $text=$Apache::response::foilgroup{$name.'.text'};
505: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
506: my $lastopt=$lastresponse{$name};
507: if ($text!~/^\s*$/) { $break='<br />'; }
508: $result.=$break;
509: if ($target eq 'web') {
510: my $value=$Apache::response::foilgroup{$name.'.value'};
511: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
512: if ($text=~/^\s*$/) {
513: $text=$value.$text;
514: } else {
515: $text='<b>'.$value.':</b> '.$text;
516: }
517: } else {
518: $text='•'.$text;
519: }
520: $result.=$text."\n";
521: }
522: if ($Apache::lonhomework::type eq 'exam') {
523: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
524: }
525: $temp++;
526: }
527: } else {
528: my $temp=1;
529: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
530: my $internal_counter=$Apache::lonxml::counter;
531: foreach $name (@whichopt) {
532: my $text=$Apache::response::foilgroup{$name.'.text'};
533: if ($text!~/^\s*$/) {
534: if ($target eq 'tex') {
535: $break='\vskip 0 mm ';
536: } elsif ($target eq 'web') {
537: $break='<br />';
538: }
539: }
540: my $lastopt=$lastresponse{$name};
541: my $optionlist="<option></option>\n";
542:
543: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes') {
544: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
545: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
546: }
547:
548: foreach my $option (@opt) {
549: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
550: if ($option eq $lastopt) {
551: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
552: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
553: } else {
554: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
555: }
556: } else {
557: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
558: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
559: } else {
560: $optionlist.="<option value='".$escopt."'>$option</option>\n";
561: }
562: }
563: }
564: if ($target ne 'tex') {
565: if ($Apache::lonhomework::type ne 'exam') {
566: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
567: $part.'\');" name="HWVAL_'.
568: $Apache::inputtags::response['-1'].':'.$temp.'">'.
569: $optionlist."</select>\n";
570: } else {
571: $optionlist='<u>'.(' 'x10).'</u>';
572: }
573: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
574: if ($Apache::lonhomework::type ne 'exam') {
575: $text='•'.$text;
576: }
577: } else {
578: if ($Apache::lonhomework::type ne 'exam') {
579: $text=$optionlist.$text;
580: }
581: }
582: $result.=$break.$text."\n";
583: if ($Apache::lonhomework::type eq 'exam') {
584: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
585: }
586: $temp++;
587: } else {
588: my $texoptionlist='';
589: if ($displayoptionintex &&
590: $Apache::lonhomework::type ne 'exam') {
591: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
592: }
593: if ($text=~/<drawoptionlist\s*\/>/) {
594: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
595: }
596:
597: if ($text=~m/\\item /) {
598: if ($Apache::lonhomework::type eq 'exam') {
599: $text=~s/\\item/\\vskip 2 mm/;
600: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
601: $result.= $texoptionlist.$text;
602: }
603: } else {
604: if ($Apache::lonhomework::type eq 'exam') {
605: $result.= $texoptionlist.' '.$text;
606: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
607: if ($text=~/\S/) {
608: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
609: } else {
610: $result.= $texoptionlist;
611: }
612: }
613: }
614: if ($Apache::lonhomework::type eq 'exam') {
615: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
616: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
617: '\end{enumerate} \vskip -8 mm \strut ';
618: $internal_counter++;
619: }
620: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
621: $text =~ s/.*indent(.*)$/$1/;
622: $text = $1;
623: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
624: $temp++;
625: }
626: $displayoptionintex=0;
627: }
628: }
629: }
630:
631: if ($target eq 'web') {
632: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
633: [\@whichopt,
634: 'submissiongrading']);
635: }
636:
637: if ($target ne 'tex') {
638: return $result.$break;
639: } else {
640: return $result;
641: }
642: }
643:
644:
645: sub optionlist_correction {
646: my ($TeXlayout,@options) = @_;
647: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
648: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
649: if (scalar(@options) > 0) {
650: foreach my $option (@options) {
651: $texoptionlist.='{\bf '.
652: &Apache::lonxml::latex_special_symbols($option).
653: '}';
654: if ($TeXlayout eq 'vertical') {
655: $texoptionlist.=' \vskip 0 mm ',
656: } else {
657: $texoptionlist.=', ';
658: }
659: }
660: $texoptionlist=~s/, $//;
661: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
662: } else {
663: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
664: }
665: return $texoptionlist;
666: }
667:
668:
669: sub webbubbles {
670: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
671: my @opt=@$ropt;
672: my @alphabet=@$ralphabet;
673: my $result='';
674: my $number_of_bubbles = $#opt + 1;
675: $result.= '<table border="1"><tr>';
676: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
677: my $checked='';
678: if ($lastopt eq $opt[$ind]) {
679: $checked=' checked="on" ';
680: }
681: $result.='<td><input type="radio" name="HWVAL_'.
682: $Apache::inputtags::response['-1'].':'.$temp.
683: '" value="'.$opt[$ind].'" '.$checked.' />';
684: if ($alphabet[$ind]) {
685: $result.=$alphabet[$ind].': ';
686: }
687: $result.=$opt[$ind].'</td>';
688: }
689: $result.='</tr></table>';
690: return $result;
691: }
692:
693:
694: sub bubbles {
695: my ($ralphabet,$ropt,$response, $max_width) = @_;
696: my @alphabet = @$ralphabet;
697: my @opt = @$ropt;
698: my ($result,$head,$line) =('','','');
699: my $number_of_bubbles = $#opt + 1;
700: my $current_length = 0;
701: my $textwidth;
702: if (defined($max_width)) {
703: $textwidth=$max_width;
704: &Apache::lonxml::debug("Max width passed in: $max_width");
705: } elsif ($env{'form.textwidth'} ne '') {
706: $env{'form.textwidth'}=~/(\d+)/;
707: $textwidth=$1;
708: &Apache::lonxml::debug("Max width from form: $textwidth");
709: } else {
710: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
711: $textwidth=$1.'.'.$2;
712: &Apache::lonxml::debug("Max width defaults? $textwidth");
713: }
714: &Apache::lonxml::debug("Final maxwidth: $textwidth");
715: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
716: my $leftmargin;
717: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
718: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
719: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
720:
721: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
722: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
723: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
724: $head.='lr';
725: } else {
726: $line=~s/\&\s*$//;
727: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
728: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
729: $head ='lr';
730: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
731: }
732:
733: }
734: return $result;
735: }
736:
737:
738: sub start_conceptgroup {
739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
740: $Apache::optionresponse::conceptgroup=1;
741: %Apache::response::conceptgroup=();
742: my $result;
743: if ($target eq 'edit') {
744: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
745: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
746: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
747: }
748: if ($target eq 'modified') {
749: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
750: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
751: }
752: return $result;
753: }
754:
755: sub end_conceptgroup {
756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
757: $Apache::optionresponse::conceptgroup=0;
758: my $result='';
759: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
760: $target eq 'tex' || $target eq 'analyze') {
761: #if not there aren't any foils to display and thus no question
762: &Apache::response::pick_foil_for_concept($target,
763: ['value','text','location'],
764: \%Apache::hint::option,
765: $parstack,$safeeval);
766: } elsif ($target eq 'edit') {
767: $result=&Apache::edit::end_table();
768: }
769: return $result;
770: }
771:
772: sub insert_conceptgroup {
773: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
774: return $result;
775: }
776:
777: sub start_foil {
778: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
779: my $result='';
780: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
781: &Apache::lonxml::startredirection;
782: if ($target eq 'analyze') {
783: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
784: }
785: } elsif ($target eq 'edit') {
786: $result=&Apache::edit::tag_start($target,$token,"Foil");
787: my $level='-2';
788: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
789: my @opt;
790: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
791: $result.=&Apache::edit::text_arg('Name:','name',$token);
792: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
793: ['unused',(@opt)],$token,'15');
794: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
795: $safeeval,'-3');
796: if ($randomize ne 'no') {
797: $result.=&Apache::edit::select_arg('Location:','location',
798: ['random','top','bottom'],$token);
799: }
800: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
801: } elsif ($target eq 'modified') {
802: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
803: 'value','name','location');
804: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
805: }
806: return $result;
807: }
808:
809: sub end_foil {
810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
811: my $text ='';
812: my $result = '';
813: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
814: $text=&Apache::lonxml::endredirection;
815: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
816: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
817: }
818: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
819: || $target eq 'tex' || $target eq 'analyze') {
820: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
821: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
822: $text='\vskip 5mm $\triangleright$ '.$text;
823: }
824: if ($value ne 'unused') {
825: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
826: &Apache::lonxml::debug("Got a name of :$name:");
827: if ($name eq "") {
828: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
829: $name=$Apache::lonxml::curdepth;
830: }
831: &Apache::lonxml::debug("Using a name of :$name:");
832: if (defined($Apache::response::foilnames{$name})) {
833: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
834: }
835: $Apache::response::foilnames{$name}++;
836: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
837: if ( $Apache::optionresponse::conceptgroup
838: && !&Apache::response::showallfoils() ) {
839: push @{ $Apache::response::conceptgroup{'names'} }, $name;
840: $Apache::response::conceptgroup{"$name.value"} = $value;
841: $Apache::response::conceptgroup{"$name.text"} = $text;
842: $Apache::response::conceptgroup{"$name.location"} = $location;
843: } else {
844: push @{ $Apache::response::foilgroup{'names'} }, $name;
845: $Apache::response::foilgroup{"$name.value"} = $value;
846: $Apache::response::foilgroup{"$name.text"} = $text;
847: $Apache::response::foilgroup{"$name.location"} = $location;
848: }
849: }
850: }
851: if ($target eq 'edit') {
852: $result.= &Apache::edit::tag_end($target,$token,'');
853: }
854: return $result;
855: }
856:
857: sub start_drawoptionlist {
858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
859: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
860: return $token->[4];
861: }
862: }
863:
864: sub end_drawoptionlist {
865: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
866: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
867: return $token->[2];
868: }
869: }
870:
871: sub insert_foil {
872: return '
873: <foil name="" value="unused">
874: <startouttext />
875: <endouttext />
876: </foil>';
877: }
878:
879: sub insert_drawoptionlist {
880: return '<drawoptionlist />';
881: }
882: 1;
883: __END__
884:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to optionresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework