1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.150 2008/06/23 11:27:44 bisitz 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: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
163: \begin{enumerate} ';
164: }
165: return $result;
166: }
167:
168: sub end_foilgroup {
169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
170:
171: my $result;
172: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
173: $target eq 'tex' || $target eq 'analyze') {
174: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
175: my $name;
176: my @opt;
177: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
178: &Apache::lonxml::debug("options:".join(':',@opt));
179:
180: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
181: -2,0);
182: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
183: &Apache::lonxml::debug("Options are $#opt");
184: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
185: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
186: $safeeval,'-2');
187: if ($target eq 'web' || $target eq 'tex') {
188: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
189: $Apache::lonxml::post_evaluate=0;
190: } elsif ( $target eq 'answer') {
191: $result.=&displayanswers($max,$randomize,@opt);
192:
193: } elsif ( $target eq 'analyze') {
194: my @shown = &whichfoils($max,$randomize);
195: &Apache::response::analyze_store_foilgroup(\@shown,
196: ['text','value','location']);
197: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
198: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
199: } elsif ( $target eq 'grade') {
200: if ( &Apache::response::submitted()) {
201: my @whichopt = &whichfoils($max,$randomize);
202: my $temp=1;my $name;
203: my %responsehash;
204: my %grade;
205: my $right=0;
206: my $wrong=0;
207: my $ignored=0;
208: foreach $name (@whichopt) {
209: my $response=&Apache::response::getresponse($temp);
210: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
211: $response = $opt[$response];
212: }
213: if ( $response =~ /[^\s]/) {
214: $responsehash{$name}=$response;
215: my $value=$Apache::response::foilgroup{$name.'.value'};
216: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
217: if ($value eq $response) {
218: $grade{$name}='1'; $right++;
219: } else {
220: $grade{$name}='0'; $wrong++;
221: }
222: } else {
223: $ignored++;
224: }
225: $temp++;
226: }
227: my $part=$Apache::inputtags::part;
228: my $id = $Apache::inputtags::response['-1'];
229: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
230: my $gradestr =&Apache::lonnet::hash2str(%grade);
231: my %previous=&Apache::response::check_for_previous($responsestr,
232: $part,$id);
233: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
234: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
235: $responsestr;
236: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
237:
238: if ($Apache::lonhomework::type eq 'survey') {
239: if ($ignored == 0) {
240: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
241: &Apache::response::handle_previous(\%previous,$ad);
242: } elsif ($wrong==0 && $right==0) {
243: } else {
244: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
245: &Apache::response::handle_previous(\%previous,$ad);
246: }
247: } elsif (!$Apache::lonhomework::scantronmode) {
248: my $ad;
249: if ($wrong==0 && $ignored==0) {
250: $ad='EXACT_ANS';
251: } elsif ($wrong==0 && $right==0) {
252: #nothing submitted
253: } else {
254: if ($ignored==0) {
255: $ad='INCORRECT';
256: } else {
257: $ad='MISSING_ANSWER';
258: }
259: }
260: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
261: &Apache::response::handle_previous(\%previous,$ad);
262: } else {
263: my $ad;
264: if ($wrong==0 && $right==0) {
265: #nothing submitted only assign a score if we
266: #need to override a previous grade
267: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
268: $ad='ASSIGNED_SCORE';
269: }
270: } else {
271: $ad='ASSIGNED_SCORE';
272: }
273: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
274: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
275: $right/(scalar(@whichopt));
276: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
277: scalar(@whichopt);
278: }
279: }
280: }
281: my $part_id = $Apache::inputtags::part;
282: my $response_id = $Apache::inputtags::response[-1];
283: &Apache::lonxml::increment_counter(&getfoilcounts($max),
284: "$part_id.$response_id");
285: if ($target eq 'analyze') {
286: &Apache::lonhomework::set_bubble_lines();
287: }
288:
289: } elsif ($target eq 'edit') {
290: $result.=&Apache::edit::end_table();
291: }
292: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
293: $result .= '\end{enumerate}';
294: }
295: &Apache::response::poprandomnumber();
296: return $result;
297: }
298:
299: sub getfoilcounts {
300: my ($max)=@_;
301: # +1 since instructors will count from 1
302: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
303: if (&Apache::response::showallfoils()) { $max=$count; }
304: if ($count>$max) { $count=$max }
305: &Apache::lonxml::debug("Count is $count from $max");
306: return $count;
307: }
308:
309: sub whichfoils {
310: my ($max,$randomize)=@_;
311: return &Apache::response::whichorder($max,$randomize,
312: &Apache::response::showallfoils(),
313: \%Apache::response::foilgroup);
314: }
315:
316: sub displayanswers {
317: my ($max,$randomize,@opt)=@_;
318: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
319: my @names = @{ $Apache::response::foilgroup{'names'} };
320: my @whichopt = &whichfoils($max,$randomize);
321: my $result;
322: if ($Apache::lonhomework::type eq 'exam') {
323: my $i = 0;
324: my %opt = map { ($_,$i++) } @opt;
325:
326: $i = 0;
327: my @alphabet = ('A'..'Z');
328: foreach my $name (@whichopt) {
329: $result.=&Apache::response::answer_header('optionresponse',$i++);
330: $result.=&Apache::response::answer_part('optionresponse',
331: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
332: $result.=&Apache::response::answer_part('optionresponse',
333: $Apache::response::foilgroup{$name.'.value'});
334: $result.=&Apache::response::answer_footer('optionresponse');
335: }
336: } else {
337: $result=&Apache::response::answer_header('optionresponse');
338: foreach my $name (@whichopt) {
339: $result.=&Apache::response::answer_part('optionresponse',
340: $Apache::response::foilgroup{$name.'.value'});
341: }
342: $result.=&Apache::response::answer_footer('optionresponse');
343: }
344: return $result;
345: }
346:
347: sub check_for_invalid {
348: my ($names,$options) = @_;
349: my %bad_names;
350: foreach my $name (@{ $names }) {
351: my $value=$Apache::response::foilgroup{$name.'.value'};
352: my $found=0;
353: foreach my $option (@{ $options }) {
354: if ($value eq $option) { $found=1; }
355: }
356: if (!$found) { $bad_names{$name}=$value; }
357: }
358: if (%bad_names) {
359: my $error=&mt('The question can not be gotten correct, '.
360: 'the following foils in the <optionresponse> '.
361: 'have invalid correct options').' <br /><tt>'.
362: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
363: "</tt>";
364: &Apache::lonxml::error($error);
365: }
366: }
367:
368: sub displayfoils {
369: my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
370: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
371: my @names = @{ $Apache::response::foilgroup{'names'} };
372: my @truelist;
373: my @falselist;
374: my $result;
375: my $name;
376: my $displayoptionintex=1;
377: my @alphabet = ('A'..'Z');
378: my @whichopt = &whichfoils($max,$randomize);
379: &check_for_invalid(\@whichopt,\@opt);
380: my $part=$Apache::inputtags::part;
381: my $id=$Apache::inputtags::response[-1];
382: my $break;
383: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
384: if ( ($target ne 'tex') &&
385: &Apache::response::show_answer() ) {
386: my $temp=1;
387: foreach $name (@whichopt) {
388: my $text=$Apache::response::foilgroup{$name.'.text'};
389: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
390: my $lastopt=$lastresponse{$name};
391: if ($text!~/^\s*$/) { $break='<br />'; }
392: $result.=$break;
393: if ($target eq 'web') {
394: my $value=$Apache::response::foilgroup{$name.'.value'};
395: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
396: if ($text=~/^\s*$/) {
397: $text=$value.$text;
398: } else {
399: $text='<b>'.$value.':</b> '.$text;
400: }
401: } else {
402: $text='•'.$text;
403: }
404: $result.=$text."\n";
405: }
406: if ($Apache::lonhomework::type eq 'exam') {
407: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
408: }
409: $temp++;
410: }
411: } else {
412: my $temp=1;
413: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
414: my $internal_counter=$Apache::lonxml::counter;
415: foreach $name (@whichopt) {
416: my $text=$Apache::response::foilgroup{$name.'.text'};
417: if ($text!~/^\s*$/) {
418: if ($target eq 'tex') {
419: $break='\vskip 0 mm ';
420: } elsif ($target eq 'web') {
421: $break='<br />';
422: }
423: }
424: my $lastopt=$lastresponse{$name};
425: my $optionlist="<option></option>\n";
426: foreach my $option (@opt) {
427: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
428: if ($option eq $lastopt) {
429: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
430: } else {
431: $optionlist.="<option value='".$escopt."'>$option</option>\n";
432: }
433: }
434: if ($target ne 'tex') {
435: if ($Apache::lonhomework::type ne 'exam') {
436: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
437: $part.'\');" name="HWVAL_'.
438: $Apache::inputtags::response['-1'].':'.$temp.'">'.
439: $optionlist."</select>\n";
440: } else {
441: $optionlist='<u>'.(' 'x10).'</u>';
442: }
443: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
444: if ($Apache::lonhomework::type ne 'exam') {
445: $text='•'.$text;
446: }
447: } else {
448: if ($Apache::lonhomework::type ne 'exam') {
449: $text=$optionlist.$text;
450: }
451: }
452: $result.=$break.$text."\n";
453: if ($Apache::lonhomework::type eq 'exam') {
454: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
455: }
456: $temp++;
457: } else {
458: my $texoptionlist='';
459: if ($displayoptionintex &&
460: $Apache::lonhomework::type ne 'exam') {
461: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
462: }
463: if ($text=~/<drawoptionlist\s*\/>/) {
464: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
465: }
466:
467: if ($text=~m/\\item /) {
468: if ($Apache::lonhomework::type eq 'exam') {
469: $text=~s/\\item/\\vskip 2 mm/;
470: }
471: $result.= $texoptionlist.$text;
472: } else {
473: if ($Apache::lonhomework::type eq 'exam') {
474: $result.= $texoptionlist.' '.$text;
475: } else {
476: if ($text=~/\S/) {$result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;} else {$result.= $texoptionlist;}
477: }
478: }
479: if ($Apache::lonhomework::type eq 'exam') {
480: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
481: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
482: '\end{enumerate} \vskip -8 mm \strut ';
483: $internal_counter++;
484: }
485: $displayoptionintex=0;
486: }
487: }
488: }
489:
490: if ($target eq 'web') {
491: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
492: [\@whichopt,
493: 'submissiongrading']);
494: }
495:
496: if ($target ne 'tex') {
497: return $result.$break;
498: } else {
499: return $result;
500: }
501: }
502:
503:
504: sub optionlist_correction {
505: my ($TeXlayout,@options) = @_;
506: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
507: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
508: if (scalar(@options) > 0) {
509: foreach my $option (@options) {
510: $texoptionlist.='{\bf '.
511: &Apache::lonxml::latex_special_symbols($option).
512: '}';
513: if ($TeXlayout eq 'vertical') {
514: $texoptionlist.=' \vskip 0 mm ',
515: } else {
516: $texoptionlist.=', ';
517: }
518: }
519: $texoptionlist=~s/, $//;
520: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
521: } else {
522: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
523: }
524: return $texoptionlist;
525: }
526:
527:
528: sub webbubbles {
529: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
530: my @opt=@$ropt;
531: my @alphabet=@$ralphabet;
532: my $result='';
533: my $number_of_bubbles = $#opt + 1;
534: $result.= '<table border="1"><tr>';
535: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
536: my $checked='';
537: if ($lastopt eq $opt[$ind]) {
538: $checked=' checked="on" ';
539: }
540: $result.='<td><input type="radio" name="HWVAL_'.
541: $Apache::inputtags::response['-1'].':'.$temp.
542: '" value="'.$opt[$ind].'" '.$checked.' />';
543: if ($alphabet[$ind]) {
544: $result.=$alphabet[$ind].': ';
545: }
546: $result.=$opt[$ind].'</td>';
547: }
548: $result.='</tr></table>';
549: return $result;
550: }
551:
552:
553: sub bubbles {
554: my ($ralphabet,$ropt,$response, $max_width) = @_;
555: my @alphabet = @$ralphabet;
556: my @opt = @$ropt;
557: my ($result,$head,$line) =('','','');
558: my $number_of_bubbles = $#opt + 1;
559: my $current_length = 0;
560: my $textwidth;
561: if (defined($max_width)) {
562: $textwidth=$max_width;
563: &Apache::lonxml::debug("Max width passed in: $max_width");
564: } elsif ($env{'form.textwidth'} ne '') {
565: $env{'form.textwidth'}=~/(\d+)/;
566: $textwidth=$1;
567: &Apache::lonxml::debug("Max width from form: $textwidth");
568: } else {
569: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
570: $textwidth=$1.'.'.$2;
571: &Apache::lonxml::debug("Max width defaults? $textwidth");
572: }
573: &Apache::lonxml::debug("Final maxwidth: $textwidth");
574: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
575: my $leftmargin;
576: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
577: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
578: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
579:
580: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
581: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
582: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
583: $head.='lr';
584: } else {
585: $line=~s/\&\s*$//;
586: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
587: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
588: $head ='lr';
589: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
590: }
591:
592: }
593: return $result;
594: }
595:
596:
597: sub start_conceptgroup {
598: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
599: $Apache::optionresponse::conceptgroup=1;
600: %Apache::response::conceptgroup=();
601: my $result;
602: if ($target eq 'edit') {
603: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
604: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
605: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
606: }
607: if ($target eq 'modified') {
608: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
609: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
610: }
611: return $result;
612: }
613:
614: sub end_conceptgroup {
615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
616: $Apache::optionresponse::conceptgroup=0;
617: my $result='';
618: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
619: $target eq 'tex' || $target eq 'analyze') {
620: #if not there aren't any foils to display and thus no question
621: &Apache::response::pick_foil_for_concept($target,
622: ['value','text','location'],
623: \%Apache::hint::option,
624: $parstack,$safeeval);
625: } elsif ($target eq 'edit') {
626: $result=&Apache::edit::end_table();
627: }
628: return $result;
629: }
630:
631: sub insert_conceptgroup {
632: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
633: return $result;
634: }
635:
636: sub start_foil {
637: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
638: my $result='';
639: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
640: &Apache::lonxml::startredirection;
641: if ($target eq 'analyze') {
642: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
643: }
644: } elsif ($target eq 'edit') {
645: $result=&Apache::edit::tag_start($target,$token,"Foil");
646: my $level='-2';
647: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
648: my @opt;
649: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
650: $result.=&Apache::edit::text_arg('Name:','name',$token);
651: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
652: ['unused',(@opt)],$token,'15');
653: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
654: $safeeval,'-3');
655: if ($randomize ne 'no') {
656: $result.=&Apache::edit::select_arg('Location:','location',
657: ['random','top','bottom'],$token);
658: }
659: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
660: } elsif ($target eq 'modified') {
661: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
662: 'value','name','location');
663: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
664: }
665: return $result;
666: }
667:
668: sub end_foil {
669: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
670: my $text ='';
671: my $result = '';
672: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
673: $text=&Apache::lonxml::endredirection;
674: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
675: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
676: }
677: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
678: || $target eq 'tex' || $target eq 'analyze') {
679: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
680: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
681: $text='\vskip 5mm $\triangleright$ '.$text;
682: }
683: if ($value ne 'unused') {
684: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
685: &Apache::lonxml::debug("Got a name of :$name:");
686: if ($name eq "") {
687: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
688: $name=$Apache::lonxml::curdepth;
689: }
690: &Apache::lonxml::debug("Using a name of :$name:");
691: if (defined($Apache::response::foilnames{$name})) {
692: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
693: }
694: $Apache::response::foilnames{$name}++;
695: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
696: if ( $Apache::optionresponse::conceptgroup
697: && !&Apache::response::showallfoils() ) {
698: push @{ $Apache::response::conceptgroup{'names'} }, $name;
699: $Apache::response::conceptgroup{"$name.value"} = $value;
700: $Apache::response::conceptgroup{"$name.text"} = $text;
701: $Apache::response::conceptgroup{"$name.location"} = $location;
702: } else {
703: push @{ $Apache::response::foilgroup{'names'} }, $name;
704: $Apache::response::foilgroup{"$name.value"} = $value;
705: $Apache::response::foilgroup{"$name.text"} = $text;
706: $Apache::response::foilgroup{"$name.location"} = $location;
707: }
708: }
709: }
710: if ($target eq 'edit') {
711: $result.= &Apache::edit::tag_end($target,$token,'');
712: }
713: return $result;
714: }
715:
716: sub start_drawoptionlist {
717: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
718: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
719: return $token->[4];
720: }
721: }
722:
723: sub end_drawoptionlist {
724: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
725: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
726: return $token->[2];
727: }
728: }
729:
730: sub insert_foil {
731: return '
732: <foil name="" value="unused">
733: <startouttext />
734: <endouttext />
735: </foil>';
736: }
737:
738: sub insert_drawoptionlist {
739: return '<drawoptionlist />';
740: }
741: 1;
742: __END__
743:
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