1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.161 2010/02/05 21:38:41 www 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:
31:
32:
33: package Apache::optionresponse;
34: use strict;
35: use Apache::response();
36: use Apache::lonlocal;
37: use Apache::lonnet;
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
41: }
42:
43: sub start_optionresponse {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result='';
46: #when in a option response use these
47: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
48: push (@Apache::lonxml::namespace,'optionresponse');
49: my $id = &Apache::response::start_response($parstack,$safeeval);
50: %Apache::hint::option=();
51: undef(%Apache::response::foilnames);
52: if ($target eq 'edit') {
53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
55: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
56: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
57: .&Apache::edit::deletelist($target,$token)
58: .'</span></td>'
59: ."<td> "
60: .&Apache::edit::end_row()
61: .&Apache::edit::start_spanning_row()
62: ."\n";
63: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
64: $token,'4').
65: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
66: ['yes','no'],$token).
67: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
68: [['horizontal','Normal list'],
69: ['vertical','Listed in a vertical column']],$token).
70: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
71: } elsif ($target eq 'modified') {
72: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
73: $safeeval,'max','randomize',
74: 'TeXlayout');
75: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
76: } elsif ($target eq 'meta') {
77: $result=&Apache::response::meta_package_write('optionresponse');
78: } elsif ($target eq 'analyze') {
79: my $part_id="$Apache::inputtags::part.$id";
80: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
81: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
82: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
83:
84: }
85: return $result;
86: }
87:
88: sub end_optionresponse {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
90: &Apache::response::end_response;
91: pop @Apache::lonxml::namespace;
92: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
93: my $result;
94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
95: undef(%Apache::response::foilnames);
96: return $result;
97: }
98:
99: %Apache::response::foilgroup=();
100: sub start_foilgroup {
101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
102:
103: my $result='';
104: %Apache::response::foilgroup=();
105: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber();
107: if ($target eq 'edit') {
108: my $optionlist="<option></option>\n";
109: my $option;
110: my @opt;
111: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
112: my $count=1;
113: foreach $option (@opt) {
114: $optionlist.="<option value=\"$count\">$option</option>\n";
115: $count++;
116: }
117: my $insertlist=&Apache::edit::insertlist($target,$token);
118: $result.=&Apache::edit::start_table($token);
119: $result.= (<<ENDTABLE);
120: <tr><td>Select Options</td>
121: <td>
122: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
123: </td>
124: <td>Delete an Option:
125: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
126: ENDTABLE
127: $result.= &Apache::edit::checked_arg('Print options:','texoptions',
128: [ ['nochoice','Don\'t show option list'] ]
129: ,$token);
130: $result.= &Apache::edit::end_row();
131: $result.= &Apache::edit::start_spanning_row();
132: $result.= $insertlist.'<br />';
133: }
134: if ($target eq 'modified') {
135: my @options;
136: my $optchanged=0;
137: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
138: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
139: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
140: &Apache::lonxml::debug("Deleting :$delopt:");
141: splice(@options,$delopt-1,1);
142: $optchanged=1;
143: }
144: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
145: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
146: if ($options[0]) {
147: push(@options,$newopt);
148: } else {
149: $options[0]=$newopt;
150: }
151: $optchanged=1;
152: }
153: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
154: ('texoptions'));
155: if ($optchanged || $rebuildtag ) {
156: $result = "<foilgroup options=\"(";
157: foreach my $option (@options) {
158: $option=~s/\'/\\\'/g;
159: &Apache::lonxml::debug("adding option :$option:");
160: $result .="'".$option."',";
161: }
162: chop $result;
163: $result.=')" ';
164: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
165: $result .= '>';
166: } # else nothing changed so just use the default mechanism
167: }
168: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
169: if($env{'form.pdfFormFields'} ne 'yes') {
170: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
171: \begin{enumerate} ';
172: } else {
173: $result .= "\\\\";
174: }
175: }
176: return $result;
177: }
178:
179: sub end_foilgroup {
180: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
181:
182: my $result;
183: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
184: $target eq 'tex' || $target eq 'analyze') {
185: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
186: my $name;
187: my @opt;
188: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
189: &Apache::lonxml::debug("options:".join(':',@opt));
190:
191: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
192: -2,0);
193: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
194: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
195: &Apache::lonxml::debug("Options are $#opt");
196: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
197: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
198: $safeeval,'-2');
199: if ($target eq 'web' || $target eq 'tex') {
200: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt);
201: $Apache::lonxml::post_evaluate=0;
202: } elsif ( $target eq 'answer') {
203: $result.=&displayanswers($max,$randomize,@opt);
204:
205: } elsif ( $target eq 'analyze') {
206: my @shown = &whichfoils($max,$randomize);
207: &Apache::response::analyze_store_foilgroup(\@shown,
208: ['text','value','location']);
209: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
210: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
211: } elsif ( $target eq 'grade') {
212: if ( &Apache::response::submitted()) {
213: my @whichopt = &whichfoils($max,$randomize);
214: my $temp=1;my $name;
215: my %responsehash;
216: my %grade;
217: my $right=0;
218: my $wrong=0;
219: my $ignored=0;
220: foreach $name (@whichopt) {
221: my $response=&Apache::response::getresponse($temp);
222: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
223: $response = $opt[$response];
224: }
225: if ( $response =~ /[^\s]/) {
226: $responsehash{$name}=$response;
227: my $value=$Apache::response::foilgroup{$name.'.value'};
228: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
229: if ($value eq $response) {
230: $grade{$name}='1'; $right++;
231: } else {
232: $grade{$name}='0'; $wrong++;
233: }
234: } else {
235: $ignored++;
236: }
237: $temp++;
238: }
239: my $part=$Apache::inputtags::part;
240: my $id = $Apache::inputtags::response['-1'];
241: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
242: my $gradestr =&Apache::lonnet::hash2str(%grade);
243: my %previous=&Apache::response::check_for_previous($responsestr,
244: $part,$id);
245: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
246: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
247: $responsestr;
248: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
249:
250: if ($Apache::lonhomework::type eq 'survey') {
251: if ($ignored == 0) {
252: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
253: &Apache::response::handle_previous(\%previous,$ad);
254: } elsif ($wrong==0 && $right==0) {
255: } else {
256: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
257: &Apache::response::handle_previous(\%previous,$ad);
258: }
259: } elsif (!$Apache::lonhomework::scantronmode) {
260: my $ad;
261: if ($wrong==0 && $ignored==0) {
262: $ad='EXACT_ANS';
263: } elsif ($wrong==0 && $right==0) {
264: #nothing submitted
265: } else {
266: if ($ignored==0) {
267: $ad='INCORRECT';
268: } else {
269: $ad='MISSING_ANSWER';
270: }
271: }
272: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
273: &Apache::response::handle_previous(\%previous,$ad);
274: } else {
275: my $ad;
276: if ($wrong==0 && $right==0) {
277: #nothing submitted only assign a score if we
278: #need to override a previous grade
279: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
280: $ad='ASSIGNED_SCORE';
281: }
282: } else {
283: $ad='ASSIGNED_SCORE';
284: }
285: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
286: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
287: $right/(scalar(@whichopt));
288: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
289: scalar(@whichopt);
290: }
291: }
292: }
293: my $part_id = $Apache::inputtags::part;
294: my $response_id = $Apache::inputtags::response[-1];
295: &Apache::lonxml::increment_counter(&getfoilcounts($max),
296: "$part_id.$response_id");
297: if ($target eq 'analyze') {
298: &Apache::lonhomework::set_bubble_lines();
299: }
300:
301: } elsif ($target eq 'edit') {
302: $result.=&Apache::edit::end_table();
303: }
304: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
305: if($env{'form.pdfFormFields'} ne 'yes') {
306: $result .= '\end{enumerate}';
307: } else {
308: $result .= "\\\\";
309: }
310: }
311: &Apache::response::poprandomnumber();
312: return $result;
313: }
314:
315: sub getfoilcounts {
316: my ($max)=@_;
317: # +1 since instructors will count from 1
318: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
319: if (&Apache::response::showallfoils()) { $max=$count; }
320: if ($count>$max) { $count=$max }
321: &Apache::lonxml::debug("Count is $count from $max");
322: return $count;
323: }
324:
325: sub whichfoils {
326: my ($max,$randomize)=@_;
327: return &Apache::response::whichorder($max,$randomize,
328: &Apache::response::showallfoils(),
329: \%Apache::response::foilgroup);
330: }
331:
332: sub displayanswers {
333: my ($max,$randomize,@opt)=@_;
334: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
335: my @names = @{ $Apache::response::foilgroup{'names'} };
336: my @whichopt = &whichfoils($max,$randomize);
337: my $result;
338: if ($Apache::lonhomework::type eq 'exam') {
339: my $i = 0;
340: my %opt = map { ($_,$i++) } @opt;
341:
342: $i = 0;
343: my @alphabet = ('A'..'Z');
344: foreach my $name (@whichopt) {
345: $result.=&Apache::response::answer_header('optionresponse',$i++);
346: $result.=&Apache::response::answer_part('optionresponse',
347: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
348: $result.=&Apache::response::answer_part('optionresponse',
349: $Apache::response::foilgroup{$name.'.value'});
350: $result.=&Apache::response::answer_footer('optionresponse');
351: }
352: } else {
353: $result=&Apache::response::answer_header('optionresponse');
354: foreach my $name (@whichopt) {
355: $result.=&Apache::response::answer_part('optionresponse',
356: $Apache::response::foilgroup{$name.'.value'});
357: }
358: $result.=&Apache::response::answer_footer('optionresponse');
359: }
360: return $result;
361: }
362:
363: sub check_box_opt {
364: my ($target,$checkboxvalue,@opt)=@_;
365: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
366: # If so, return "checked" value
367: if ($#opt!=1) { return ''; }
368: if ($target ne 'web') { return ''; }
369: return $checkboxvalue;
370: }
371:
372: sub check_for_invalid {
373: my ($names,$options) = @_;
374: my %bad_names;
375: foreach my $name (@{ $names }) {
376: my $value=$Apache::response::foilgroup{$name.'.value'};
377: my $found=0;
378: foreach my $option (@{ $options }) {
379: if ($value eq $option) { $found=1; }
380: }
381: if (!$found) { $bad_names{$name}=$value; }
382: }
383: if (%bad_names) {
384: my $error=&mt('The question can not be gotten correct, '.
385: 'the following foils in the <optionresponse> '.
386: 'have invalid correct options').' <br /><tt>'.
387: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
388: "</tt>";
389: &Apache::lonxml::error($error);
390: }
391: }
392:
393: sub displayfoils {
394: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt)=@_;
395: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
396: my @names = @{ $Apache::response::foilgroup{'names'} };
397: my @truelist;
398: my @falselist;
399: my $result;
400: my $name;
401: my $displayoptionintex=1;
402: my @alphabet = ('A'..'Z');
403: my @whichopt = &whichfoils($max,$randomize);
404: &check_for_invalid(\@whichopt,\@opt);
405: my $part=$Apache::inputtags::part;
406: my $id=$Apache::inputtags::response[-1];
407: my $break;
408: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
409: if ( ($target ne 'tex') &&
410: &Apache::response::show_answer() ) {
411: my $temp=1;
412: foreach $name (@whichopt) {
413: my $text=$Apache::response::foilgroup{$name.'.text'};
414: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
415: my $lastopt=$lastresponse{$name};
416: if ($text!~/^\s*$/) { $break='<br />'; }
417: $result.=$break;
418: if ($target eq 'web') {
419: my $value=$Apache::response::foilgroup{$name.'.value'};
420: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
421: if ($text=~/^\s*$/) {
422: $text=$value.$text;
423: } else {
424: $text='<b>'.$value.':</b> '.$text;
425: }
426: } else {
427: $text='•'.$text;
428: }
429: $result.=$text."\n";
430: }
431: if ($Apache::lonhomework::type eq 'exam') {
432: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
433: }
434: $temp++;
435: }
436: } else {
437: my $temp=1;
438: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
439: my $internal_counter=$Apache::lonxml::counter;
440: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
441: if ($checkboxopt) {
442: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '.
443: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
444: }
445: foreach $name (@whichopt) {
446: my $text=$Apache::response::foilgroup{$name.'.text'};
447: if ($text!~/^\s*$/) {
448: if ($target eq 'tex') {
449: $break='\vskip 0 mm ';
450: } elsif ($target eq 'web') {
451: $break='<br />';
452: }
453: }
454: my $lastopt=$lastresponse{$name};
455: my $optionlist="<option></option>\n";
456:
457: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
458: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
459: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
460: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
461: }
462:
463: foreach my $option (@opt) {
464: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
465: if ($option eq $lastopt) {
466: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
467: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
468: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
469: } else {
470: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
471: }
472: } else {
473: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
474: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
475: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
476: } else {
477: $optionlist.="<option value='".$escopt."'>$option</option>\n";
478: }
479: }
480: }
481: if ($target ne 'tex') {
482: if ($Apache::lonhomework::type ne 'exam') {
483: # we are on the web, this is not an exam, and the problem can be answered
484: if ($checkboxopt) {
485: # generate checkboxes
486: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
487: my $altopt=$opt[0];
488: if ($opt[0] eq $checkboxopt) {
489: $altopt=$opt[1];
490: }
491: my $defopt=$lastopt;
492: unless ($defopt) { $defopt=$altopt; }
493: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
494: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
495: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
496: # checkboxopt is how the box is labelled
497: # altopt is the alternative option
498: # lastopt is what the user submitted before
499: # defopt is what the field is going to start out with: either previous choice or altopt
500: # fieldname is this input field's name after HWVAL_
501: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
502: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
503: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
504: } else {
505: # classic selection list
506: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
507: $part.'\');" name="HWVAL_'.
508: $Apache::inputtags::response['-1'].':'.$temp.'">'.
509: $optionlist."</select>\n";
510: }
511: } else {
512: $optionlist='<u>'.(' 'x10).'</u>';
513: }
514: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
515: if ($Apache::lonhomework::type ne 'exam') {
516: $text='•'.$text;
517: }
518: } else {
519: if ($Apache::lonhomework::type ne 'exam') {
520: $text=$optionlist.$text;
521: }
522: }
523: $result.=$break.$text."\n";
524: if ($Apache::lonhomework::type eq 'exam') {
525: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
526: }
527: $temp++;
528: } else {
529: my $texoptionlist='';
530: if ($displayoptionintex &&
531: $Apache::lonhomework::type ne 'exam') {
532: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
533: }
534: if ($text=~/<drawoptionlist\s*\/>/) {
535: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
536: }
537:
538: if ($text=~m/\\item /) {
539: if ($Apache::lonhomework::type eq 'exam') {
540: $text=~s/\\item/\\vskip 2 mm/;
541: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
542: $result.= $texoptionlist.$text;
543: }
544: } else {
545: if ($Apache::lonhomework::type eq 'exam') {
546: $result.= $texoptionlist.' '.$text;
547: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
548: if ($text=~/\S/) {
549: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
550: } else {
551: $result.= $texoptionlist;
552: }
553: }
554: }
555: if ($Apache::lonhomework::type eq 'exam') {
556: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
557: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
558: '\end{enumerate} \vskip -8 mm \strut ';
559: $internal_counter++;
560: }
561: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
562: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
563: $text =~ s/\\item//m;
564: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
565: $temp++;
566: }
567: $displayoptionintex=0;
568: }
569: }
570: }
571:
572: if ($target eq 'web') {
573: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
574: [\@whichopt,
575: 'submissiongrading']);
576: }
577:
578: if ($target ne 'tex') {
579: return $result.$break;
580: } else {
581: return $result;
582: }
583: }
584:
585:
586: sub optionlist_correction {
587: my ($TeXlayout,@options) = @_;
588: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
589: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
590: if (scalar(@options) > 0) {
591: foreach my $option (@options) {
592: $texoptionlist.='{\bf '.
593: &Apache::lonxml::latex_special_symbols($option).
594: '}';
595: if ($TeXlayout eq 'vertical') {
596: $texoptionlist.=' \vskip 0 mm ',
597: } else {
598: $texoptionlist.=', ';
599: }
600: }
601: $texoptionlist=~s/, $//;
602: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
603: } else {
604: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
605: }
606: return $texoptionlist;
607: }
608:
609:
610: sub webbubbles {
611: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
612: my @opt=@$ropt;
613: my @alphabet=@$ralphabet;
614: my $result='';
615: my $number_of_bubbles = $#opt + 1;
616: $result.= '<table border="1"><tr>';
617: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
618: my $checked='';
619: if ($lastopt eq $opt[$ind]) {
620: $checked=' checked="on" ';
621: }
622: $result.='<td><input type="radio" name="HWVAL_'.
623: $Apache::inputtags::response['-1'].':'.$temp.
624: '" value="'.$opt[$ind].'" '.$checked.' />';
625: if ($alphabet[$ind]) {
626: $result.=$alphabet[$ind].': ';
627: }
628: $result.=$opt[$ind].'</td>';
629: }
630: $result.='</tr></table>';
631: return $result;
632: }
633:
634:
635: sub bubbles {
636: my ($ralphabet,$ropt,$response, $max_width) = @_;
637: my @alphabet = @$ralphabet;
638: my @opt = @$ropt;
639: my ($result,$head,$line) =('','','');
640: my $number_of_bubbles = $#opt + 1;
641: my $current_length = 0;
642: my $textwidth;
643: if (defined($max_width)) {
644: $textwidth=$max_width;
645: &Apache::lonxml::debug("Max width passed in: $max_width");
646: } elsif ($env{'form.textwidth'} ne '') {
647: $env{'form.textwidth'}=~/(\d+)/;
648: $textwidth=$1;
649: &Apache::lonxml::debug("Max width from form: $textwidth");
650: } else {
651: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
652: $textwidth=$1.'.'.$2;
653: &Apache::lonxml::debug("Max width defaults? $textwidth");
654: }
655: &Apache::lonxml::debug("Final maxwidth: $textwidth");
656: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
657: my $leftmargin;
658: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
659: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
660: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
661:
662: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
663: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
664: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
665: $head.='lr';
666: } else {
667: $line=~s/\&\s*$//;
668: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
669: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
670: $head ='lr';
671: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
672: }
673:
674: }
675: return $result;
676: }
677:
678:
679: sub start_conceptgroup {
680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
681: $Apache::optionresponse::conceptgroup=1;
682: %Apache::response::conceptgroup=();
683: my $result;
684: if ($target eq 'edit') {
685: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
686: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
687: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
688: }
689: if ($target eq 'modified') {
690: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
691: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
692: }
693: return $result;
694: }
695:
696: sub end_conceptgroup {
697: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
698: $Apache::optionresponse::conceptgroup=0;
699: my $result='';
700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
701: $target eq 'tex' || $target eq 'analyze') {
702: #if not there aren't any foils to display and thus no question
703: &Apache::response::pick_foil_for_concept($target,
704: ['value','text','location'],
705: \%Apache::hint::option,
706: $parstack,$safeeval);
707: } elsif ($target eq 'edit') {
708: $result=&Apache::edit::end_table();
709: }
710: return $result;
711: }
712:
713: sub insert_conceptgroup {
714: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
715: return $result;
716: }
717:
718: sub start_foil {
719: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
720: my $result='';
721: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
722: &Apache::lonxml::startredirection;
723: if ($target eq 'analyze') {
724: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
725: }
726: } elsif ($target eq 'edit') {
727: $result=&Apache::edit::tag_start($target,$token,"Foil");
728: my $level='-2';
729: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
730: my @opt;
731: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
732: $result.=&Apache::edit::text_arg('Name:','name',$token);
733: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
734: ['unused',(@opt)],$token,'15');
735: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
736: $safeeval,'-3');
737: if ($randomize ne 'no') {
738: $result.=&Apache::edit::select_arg('Location:','location',
739: ['random','top','bottom'],$token);
740: }
741: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
742: } elsif ($target eq 'modified') {
743: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
744: 'value','name','location');
745: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
746: }
747: return $result;
748: }
749:
750: sub end_foil {
751: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
752: my $text ='';
753: my $result = '';
754: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
755: $text=&Apache::lonxml::endredirection;
756: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
757: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
758: }
759: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
760: || $target eq 'tex' || $target eq 'analyze') {
761: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
762: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
763: $text='\vskip 5mm $\triangleright$ '.$text;
764: }
765: if ($value ne 'unused') {
766: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
767: &Apache::lonxml::debug("Got a name of :$name:");
768: if ($name eq "") {
769: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
770: $name=$Apache::lonxml::curdepth;
771: }
772: &Apache::lonxml::debug("Using a name of :$name:");
773: if (defined($Apache::response::foilnames{$name})) {
774: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
775: }
776: $Apache::response::foilnames{$name}++;
777: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
778: if ( $Apache::optionresponse::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"} = $location;
789: }
790: }
791: }
792: if ($target eq 'edit') {
793: $result.= &Apache::edit::tag_end($target,$token,'');
794: }
795: return $result;
796: }
797:
798: sub start_drawoptionlist {
799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
800: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
801: return $token->[4];
802: }
803: }
804:
805: sub end_drawoptionlist {
806: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
807: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
808: return $token->[2];
809: }
810: }
811:
812: sub insert_foil {
813: return '
814: <foil name="" value="unused">
815: <startouttext />
816: <endouttext />
817: </foil>';
818: }
819:
820: sub insert_drawoptionlist {
821: return '<drawoptionlist />';
822: }
823: 1;
824: __END__
825:
826: =head1 NAME
827:
828: Apache::optionresponse.pm;
829:
830: =head1 SYNOPSIS
831:
832: Handles tags associated with showing a list of
833: options.
834:
835: This is part of the LearningOnline Network with CAPA project
836: described at http://www.lon-capa.org.
837:
838: =head1 HANDLER SUBROUTINE
839:
840: start_optionresponse()
841:
842: =head1 OTHER SUBROUTINES
843:
844: =over
845:
846: =item end_optionresponse()
847:
848: =item start_foilgroup()
849:
850: =item end_foilgroup()
851:
852: =item getfoilcounts()
853:
854: =item displayanswers()
855:
856: =item check_for_invalid()
857:
858: =item displayfoils()
859:
860: =item optionlist_correction()
861:
862: =item webbubbles()
863:
864: =item bubbles()
865:
866: =item start_conceptgroup()
867:
868: =item end_conceptgroup()
869:
870: =item insert_conceptgroup()
871:
872: =item start_foil()
873:
874: =item end_foil()
875:
876: =item start_drawoptionlist()
877:
878: =item end_drawoptionlist()
879:
880: =item insert_foil()
881:
882: =item insert_drawoptionlist()
883:
884: =back
885:
886: =cut
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