1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.160 2010/02/05 20:54:33 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,$safeeval,
192: -2,0);
193: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
194: &Apache::lonxml::debug("Options are $#opt");
195: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
196: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
197: $safeeval,'-2');
198: if ($target eq 'web' || $target eq 'tex') {
199: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
200: $Apache::lonxml::post_evaluate=0;
201: } elsif ( $target eq 'answer') {
202: $result.=&displayanswers($max,$randomize,@opt);
203:
204: } elsif ( $target eq 'analyze') {
205: my @shown = &whichfoils($max,$randomize);
206: &Apache::response::analyze_store_foilgroup(\@shown,
207: ['text','value','location']);
208: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
209: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
210: } elsif ( $target eq 'grade') {
211: if ( &Apache::response::submitted()) {
212: my @whichopt = &whichfoils($max,$randomize);
213: my $temp=1;my $name;
214: my %responsehash;
215: my %grade;
216: my $right=0;
217: my $wrong=0;
218: my $ignored=0;
219: foreach $name (@whichopt) {
220: my $response=&Apache::response::getresponse($temp);
221: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
222: $response = $opt[$response];
223: }
224: if ( $response =~ /[^\s]/) {
225: $responsehash{$name}=$response;
226: my $value=$Apache::response::foilgroup{$name.'.value'};
227: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
228: if ($value eq $response) {
229: $grade{$name}='1'; $right++;
230: } else {
231: $grade{$name}='0'; $wrong++;
232: }
233: } else {
234: $ignored++;
235: }
236: $temp++;
237: }
238: my $part=$Apache::inputtags::part;
239: my $id = $Apache::inputtags::response['-1'];
240: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
241: my $gradestr =&Apache::lonnet::hash2str(%grade);
242: my %previous=&Apache::response::check_for_previous($responsestr,
243: $part,$id);
244: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
245: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
246: $responsestr;
247: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
248:
249: if ($Apache::lonhomework::type eq 'survey') {
250: if ($ignored == 0) {
251: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
252: &Apache::response::handle_previous(\%previous,$ad);
253: } elsif ($wrong==0 && $right==0) {
254: } else {
255: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
256: &Apache::response::handle_previous(\%previous,$ad);
257: }
258: } elsif (!$Apache::lonhomework::scantronmode) {
259: my $ad;
260: if ($wrong==0 && $ignored==0) {
261: $ad='EXACT_ANS';
262: } elsif ($wrong==0 && $right==0) {
263: #nothing submitted
264: } else {
265: if ($ignored==0) {
266: $ad='INCORRECT';
267: } else {
268: $ad='MISSING_ANSWER';
269: }
270: }
271: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
272: &Apache::response::handle_previous(\%previous,$ad);
273: } else {
274: my $ad;
275: if ($wrong==0 && $right==0) {
276: #nothing submitted only assign a score if we
277: #need to override a previous grade
278: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
279: $ad='ASSIGNED_SCORE';
280: }
281: } else {
282: $ad='ASSIGNED_SCORE';
283: }
284: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
285: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
286: $right/(scalar(@whichopt));
287: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
288: scalar(@whichopt);
289: }
290: }
291: }
292: my $part_id = $Apache::inputtags::part;
293: my $response_id = $Apache::inputtags::response[-1];
294: &Apache::lonxml::increment_counter(&getfoilcounts($max),
295: "$part_id.$response_id");
296: if ($target eq 'analyze') {
297: &Apache::lonhomework::set_bubble_lines();
298: }
299:
300: } elsif ($target eq 'edit') {
301: $result.=&Apache::edit::end_table();
302: }
303: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
304: if($env{'form.pdfFormFields'} ne 'yes') {
305: $result .= '\end{enumerate}';
306: } else {
307: $result .= "\\\\";
308: }
309: }
310: &Apache::response::poprandomnumber();
311: return $result;
312: }
313:
314: sub getfoilcounts {
315: my ($max)=@_;
316: # +1 since instructors will count from 1
317: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
318: if (&Apache::response::showallfoils()) { $max=$count; }
319: if ($count>$max) { $count=$max }
320: &Apache::lonxml::debug("Count is $count from $max");
321: return $count;
322: }
323:
324: sub whichfoils {
325: my ($max,$randomize)=@_;
326: return &Apache::response::whichorder($max,$randomize,
327: &Apache::response::showallfoils(),
328: \%Apache::response::foilgroup);
329: }
330:
331: sub displayanswers {
332: my ($max,$randomize,@opt)=@_;
333: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
334: my @names = @{ $Apache::response::foilgroup{'names'} };
335: my @whichopt = &whichfoils($max,$randomize);
336: my $result;
337: if ($Apache::lonhomework::type eq 'exam') {
338: my $i = 0;
339: my %opt = map { ($_,$i++) } @opt;
340:
341: $i = 0;
342: my @alphabet = ('A'..'Z');
343: foreach my $name (@whichopt) {
344: $result.=&Apache::response::answer_header('optionresponse',$i++);
345: $result.=&Apache::response::answer_part('optionresponse',
346: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
347: $result.=&Apache::response::answer_part('optionresponse',
348: $Apache::response::foilgroup{$name.'.value'});
349: $result.=&Apache::response::answer_footer('optionresponse');
350: }
351: } else {
352: $result=&Apache::response::answer_header('optionresponse');
353: foreach my $name (@whichopt) {
354: $result.=&Apache::response::answer_part('optionresponse',
355: $Apache::response::foilgroup{$name.'.value'});
356: }
357: $result.=&Apache::response::answer_footer('optionresponse');
358: }
359: return $result;
360: }
361:
362: sub check_box_opt {
363: # Check if we are in checkbox mode. If so, return "checked" value
364: return '';
365: }
366:
367: sub check_for_invalid {
368: my ($names,$options) = @_;
369: my %bad_names;
370: foreach my $name (@{ $names }) {
371: my $value=$Apache::response::foilgroup{$name.'.value'};
372: my $found=0;
373: foreach my $option (@{ $options }) {
374: if ($value eq $option) { $found=1; }
375: }
376: if (!$found) { $bad_names{$name}=$value; }
377: }
378: if (%bad_names) {
379: my $error=&mt('The question can not be gotten correct, '.
380: 'the following foils in the <optionresponse> '.
381: 'have invalid correct options').' <br /><tt>'.
382: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
383: "</tt>";
384: &Apache::lonxml::error($error);
385: }
386: }
387:
388: sub displayfoils {
389: my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
390: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
391: my @names = @{ $Apache::response::foilgroup{'names'} };
392: my @truelist;
393: my @falselist;
394: my $result;
395: my $name;
396: my $displayoptionintex=1;
397: my @alphabet = ('A'..'Z');
398: my @whichopt = &whichfoils($max,$randomize);
399: &check_for_invalid(\@whichopt,\@opt);
400: my $part=$Apache::inputtags::part;
401: my $id=$Apache::inputtags::response[-1];
402: my $break;
403: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
404: if ( ($target ne 'tex') &&
405: &Apache::response::show_answer() ) {
406: my $temp=1;
407: foreach $name (@whichopt) {
408: my $text=$Apache::response::foilgroup{$name.'.text'};
409: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
410: my $lastopt=$lastresponse{$name};
411: if ($text!~/^\s*$/) { $break='<br />'; }
412: $result.=$break;
413: if ($target eq 'web') {
414: my $value=$Apache::response::foilgroup{$name.'.value'};
415: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
416: if ($text=~/^\s*$/) {
417: $text=$value.$text;
418: } else {
419: $text='<b>'.$value.':</b> '.$text;
420: }
421: } else {
422: $text='•'.$text;
423: }
424: $result.=$text."\n";
425: }
426: if ($Apache::lonhomework::type eq 'exam') {
427: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
428: }
429: $temp++;
430: }
431: } else {
432: my $temp=1;
433: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
434: my $internal_counter=$Apache::lonxml::counter;
435: my $checkboxopt=&check_box_opt();
436: if ($checkboxopt) {
437: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '.
438: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
439: }
440: foreach $name (@whichopt) {
441: my $text=$Apache::response::foilgroup{$name.'.text'};
442: if ($text!~/^\s*$/) {
443: if ($target eq 'tex') {
444: $break='\vskip 0 mm ';
445: } elsif ($target eq 'web') {
446: $break='<br />';
447: }
448: }
449: my $lastopt=$lastresponse{$name};
450: my $optionlist="<option></option>\n";
451:
452: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
453: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
454: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
455: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
456: }
457:
458: foreach my $option (@opt) {
459: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
460: if ($option eq $lastopt) {
461: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
462: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
463: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
464: } else {
465: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
466: }
467: } else {
468: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
469: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
470: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
471: } else {
472: $optionlist.="<option value='".$escopt."'>$option</option>\n";
473: }
474: }
475: }
476: if ($target ne 'tex') {
477: if ($Apache::lonhomework::type ne 'exam') {
478: # we are on the web, this is not an exam, and the problem can be answered
479: if ($checkboxopt) {
480: # generate checkboxes
481: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
482: my $altopt=$opt[0];
483: if ($opt[0] eq $checkboxopt) {
484: $altopt=$opt[1];
485: }
486: my $defopt=$lastopt;
487: unless ($defopt) { $defopt=$altopt; }
488: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
489: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
490: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
491: # checkboxopt is how the box is labelled
492: # altopt is the alternative option
493: # lastopt is what the user submitted before
494: # defopt is what the field is going to start out with: either previous choice or altopt
495: # fieldname is this input field's name after HWVAL_
496: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
497: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
498: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
499: } else {
500: # classic selection list
501: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
502: $part.'\');" name="HWVAL_'.
503: $Apache::inputtags::response['-1'].':'.$temp.'">'.
504: $optionlist."</select>\n";
505: }
506: } else {
507: $optionlist='<u>'.(' 'x10).'</u>';
508: }
509: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
510: if ($Apache::lonhomework::type ne 'exam') {
511: $text='•'.$text;
512: }
513: } else {
514: if ($Apache::lonhomework::type ne 'exam') {
515: $text=$optionlist.$text;
516: }
517: }
518: $result.=$break.$text."\n";
519: if ($Apache::lonhomework::type eq 'exam') {
520: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
521: }
522: $temp++;
523: } else {
524: my $texoptionlist='';
525: if ($displayoptionintex &&
526: $Apache::lonhomework::type ne 'exam') {
527: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
528: }
529: if ($text=~/<drawoptionlist\s*\/>/) {
530: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
531: }
532:
533: if ($text=~m/\\item /) {
534: if ($Apache::lonhomework::type eq 'exam') {
535: $text=~s/\\item/\\vskip 2 mm/;
536: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
537: $result.= $texoptionlist.$text;
538: }
539: } else {
540: if ($Apache::lonhomework::type eq 'exam') {
541: $result.= $texoptionlist.' '.$text;
542: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
543: if ($text=~/\S/) {
544: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
545: } else {
546: $result.= $texoptionlist;
547: }
548: }
549: }
550: if ($Apache::lonhomework::type eq 'exam') {
551: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
552: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
553: '\end{enumerate} \vskip -8 mm \strut ';
554: $internal_counter++;
555: }
556: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
557: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
558: $text =~ s/\\item//m;
559: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
560: $temp++;
561: }
562: $displayoptionintex=0;
563: }
564: }
565: }
566:
567: if ($target eq 'web') {
568: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
569: [\@whichopt,
570: 'submissiongrading']);
571: }
572:
573: if ($target ne 'tex') {
574: return $result.$break;
575: } else {
576: return $result;
577: }
578: }
579:
580:
581: sub optionlist_correction {
582: my ($TeXlayout,@options) = @_;
583: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
584: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
585: if (scalar(@options) > 0) {
586: foreach my $option (@options) {
587: $texoptionlist.='{\bf '.
588: &Apache::lonxml::latex_special_symbols($option).
589: '}';
590: if ($TeXlayout eq 'vertical') {
591: $texoptionlist.=' \vskip 0 mm ',
592: } else {
593: $texoptionlist.=', ';
594: }
595: }
596: $texoptionlist=~s/, $//;
597: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
598: } else {
599: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
600: }
601: return $texoptionlist;
602: }
603:
604:
605: sub webbubbles {
606: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
607: my @opt=@$ropt;
608: my @alphabet=@$ralphabet;
609: my $result='';
610: my $number_of_bubbles = $#opt + 1;
611: $result.= '<table border="1"><tr>';
612: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
613: my $checked='';
614: if ($lastopt eq $opt[$ind]) {
615: $checked=' checked="on" ';
616: }
617: $result.='<td><input type="radio" name="HWVAL_'.
618: $Apache::inputtags::response['-1'].':'.$temp.
619: '" value="'.$opt[$ind].'" '.$checked.' />';
620: if ($alphabet[$ind]) {
621: $result.=$alphabet[$ind].': ';
622: }
623: $result.=$opt[$ind].'</td>';
624: }
625: $result.='</tr></table>';
626: return $result;
627: }
628:
629:
630: sub bubbles {
631: my ($ralphabet,$ropt,$response, $max_width) = @_;
632: my @alphabet = @$ralphabet;
633: my @opt = @$ropt;
634: my ($result,$head,$line) =('','','');
635: my $number_of_bubbles = $#opt + 1;
636: my $current_length = 0;
637: my $textwidth;
638: if (defined($max_width)) {
639: $textwidth=$max_width;
640: &Apache::lonxml::debug("Max width passed in: $max_width");
641: } elsif ($env{'form.textwidth'} ne '') {
642: $env{'form.textwidth'}=~/(\d+)/;
643: $textwidth=$1;
644: &Apache::lonxml::debug("Max width from form: $textwidth");
645: } else {
646: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
647: $textwidth=$1.'.'.$2;
648: &Apache::lonxml::debug("Max width defaults? $textwidth");
649: }
650: &Apache::lonxml::debug("Final maxwidth: $textwidth");
651: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
652: my $leftmargin;
653: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
654: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
655: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
656:
657: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
658: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
659: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
660: $head.='lr';
661: } else {
662: $line=~s/\&\s*$//;
663: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
664: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
665: $head ='lr';
666: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
667: }
668:
669: }
670: return $result;
671: }
672:
673:
674: sub start_conceptgroup {
675: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
676: $Apache::optionresponse::conceptgroup=1;
677: %Apache::response::conceptgroup=();
678: my $result;
679: if ($target eq 'edit') {
680: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
681: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
682: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
683: }
684: if ($target eq 'modified') {
685: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
686: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
687: }
688: return $result;
689: }
690:
691: sub end_conceptgroup {
692: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
693: $Apache::optionresponse::conceptgroup=0;
694: my $result='';
695: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
696: $target eq 'tex' || $target eq 'analyze') {
697: #if not there aren't any foils to display and thus no question
698: &Apache::response::pick_foil_for_concept($target,
699: ['value','text','location'],
700: \%Apache::hint::option,
701: $parstack,$safeeval);
702: } elsif ($target eq 'edit') {
703: $result=&Apache::edit::end_table();
704: }
705: return $result;
706: }
707:
708: sub insert_conceptgroup {
709: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
710: return $result;
711: }
712:
713: sub start_foil {
714: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
715: my $result='';
716: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
717: &Apache::lonxml::startredirection;
718: if ($target eq 'analyze') {
719: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
720: }
721: } elsif ($target eq 'edit') {
722: $result=&Apache::edit::tag_start($target,$token,"Foil");
723: my $level='-2';
724: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
725: my @opt;
726: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
727: $result.=&Apache::edit::text_arg('Name:','name',$token);
728: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
729: ['unused',(@opt)],$token,'15');
730: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
731: $safeeval,'-3');
732: if ($randomize ne 'no') {
733: $result.=&Apache::edit::select_arg('Location:','location',
734: ['random','top','bottom'],$token);
735: }
736: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
737: } elsif ($target eq 'modified') {
738: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
739: 'value','name','location');
740: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
741: }
742: return $result;
743: }
744:
745: sub end_foil {
746: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
747: my $text ='';
748: my $result = '';
749: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
750: $text=&Apache::lonxml::endredirection;
751: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
752: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
753: }
754: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
755: || $target eq 'tex' || $target eq 'analyze') {
756: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
757: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
758: $text='\vskip 5mm $\triangleright$ '.$text;
759: }
760: if ($value ne 'unused') {
761: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
762: &Apache::lonxml::debug("Got a name of :$name:");
763: if ($name eq "") {
764: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
765: $name=$Apache::lonxml::curdepth;
766: }
767: &Apache::lonxml::debug("Using a name of :$name:");
768: if (defined($Apache::response::foilnames{$name})) {
769: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
770: }
771: $Apache::response::foilnames{$name}++;
772: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
773: if ( $Apache::optionresponse::conceptgroup
774: && !&Apache::response::showallfoils() ) {
775: push @{ $Apache::response::conceptgroup{'names'} }, $name;
776: $Apache::response::conceptgroup{"$name.value"} = $value;
777: $Apache::response::conceptgroup{"$name.text"} = $text;
778: $Apache::response::conceptgroup{"$name.location"} = $location;
779: } else {
780: push @{ $Apache::response::foilgroup{'names'} }, $name;
781: $Apache::response::foilgroup{"$name.value"} = $value;
782: $Apache::response::foilgroup{"$name.text"} = $text;
783: $Apache::response::foilgroup{"$name.location"} = $location;
784: }
785: }
786: }
787: if ($target eq 'edit') {
788: $result.= &Apache::edit::tag_end($target,$token,'');
789: }
790: return $result;
791: }
792:
793: sub start_drawoptionlist {
794: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
795: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
796: return $token->[4];
797: }
798: }
799:
800: sub end_drawoptionlist {
801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
802: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
803: return $token->[2];
804: }
805: }
806:
807: sub insert_foil {
808: return '
809: <foil name="" value="unused">
810: <startouttext />
811: <endouttext />
812: </foil>';
813: }
814:
815: sub insert_drawoptionlist {
816: return '<drawoptionlist />';
817: }
818: 1;
819: __END__
820:
821: =head1 NAME
822:
823: Apache::optionresponse.pm;
824:
825: =head1 SYNOPSIS
826:
827: Handles tags associated with showing a list of
828: options.
829:
830: This is part of the LearningOnline Network with CAPA project
831: described at http://www.lon-capa.org.
832:
833: =head1 HANDLER SUBROUTINE
834:
835: start_optionresponse()
836:
837: =head1 OTHER SUBROUTINES
838:
839: =over
840:
841: =item end_optionresponse()
842:
843: =item start_foilgroup()
844:
845: =item end_foilgroup()
846:
847: =item getfoilcounts()
848:
849: =item displayanswers()
850:
851: =item check_for_invalid()
852:
853: =item displayfoils()
854:
855: =item optionlist_correction()
856:
857: =item webbubbles()
858:
859: =item bubbles()
860:
861: =item start_conceptgroup()
862:
863: =item end_conceptgroup()
864:
865: =item insert_conceptgroup()
866:
867: =item start_foil()
868:
869: =item end_foil()
870:
871: =item start_drawoptionlist()
872:
873: =item end_drawoptionlist()
874:
875: =item insert_foil()
876:
877: =item insert_drawoptionlist()
878:
879: =back
880:
881: =cut
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