1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.176 2011/06/07 17:27:37 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: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber(undef,$target);
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: </td>
127: ENDTABLE
128: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
129: [ ['nochoice','Don\'t show option list'] ]
130: ,$token).'</td>';
131: $result.= '<td><label>'.&mt('Two-option checkboxes for:').
132: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
133: foreach $option (('',@opt)) {
134: $result.='<option value="'.$option.'"';
135: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
136: $result.=' selected="selected"';
137: }
138: $result.='>'.$option.'</option>';
139: }
140: $result.='</select></label>';
141: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
142: [ ['nochoice','Don\'t show option list'] ]
143: ,$token).'</td>';
144: $result.= &Apache::edit::end_row();
145: $result.= &Apache::edit::start_spanning_row();
146: $result.= $insertlist.'<br />';
147: }
148: if ($target eq 'modified') {
149: my @options;
150: my $optchanged=0;
151: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
152: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
153: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
154: &Apache::lonxml::debug("Deleting :$delopt:");
155: splice(@options,$delopt-1,1);
156: $optchanged=1;
157: }
158: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
159: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
160: if ($options[0]) {
161: push(@options,$newopt);
162: } else {
163: $options[0]=$newopt;
164: }
165: $optchanged=1;
166: }
167: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
168: 'texoptions','checkboxvalue','checkboxoptions');
169: if ($optchanged || $rebuildtag ) {
170: $result = "<foilgroup options=\"(";
171: foreach my $option (@options) {
172: $option=~s/\'/\\\'/g;
173: &Apache::lonxml::debug("adding option :$option:");
174: $result .="'".$option."',";
175: }
176: chop $result;
177: $result.=')" ';
178: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
179: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
180: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
181: $result .= '>';
182: } # else nothing changed so just use the default mechanism
183: }
184: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
185: if($env{'form.pdfFormFields'} ne 'yes') {
186: $result .= ' \begin{itemize} ';
187: } else {
188: $result .= "\\\\";
189: }
190: }
191: return $result;
192: }
193:
194: sub end_foilgroup {
195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
196:
197: my $result;
198: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
199: $target eq 'tex' || $target eq 'analyze') {
200: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
201: my $name;
202: my @opt;
203: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
204: &Apache::lonxml::debug("options:".join(':',@opt));
205:
206: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
207: -2,0);
208: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
209: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
210: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
211: &Apache::lonxml::debug("Options are $#opt");
212: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
213: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
214: $safeeval,'-2');
215: if ($target eq 'web' || $target eq 'tex') {
216: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt);
217: $Apache::lonxml::post_evaluate=0;
218: } elsif ( $target eq 'answer') {
219: $result.=&displayanswers($max,$randomize,@opt);
220:
221: } elsif ( $target eq 'analyze') {
222: my @shown = &whichfoils($max,$randomize);
223: &Apache::response::analyze_store_foilgroup(\@shown,
224: ['text','value','location']);
225: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
226: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
227: } elsif ( $target eq 'grade') {
228:
229: my $nonlenient=0;
230: my $part=$Apache::inputtags::part;
231: my $lenientparm=&Apache::lonnet::EXT("resource.$part.lenient");
232:
233: if ($Apache::lonhomework::scantronmode) {
234: $nonlenient=0;
235: # Grading an exam: we are grading lenient unless told not to
236: if ($lenientparm=~/^0|off|no$/i) {
237: $nonlenient=1;
238: }
239: } else {
240: # Web mode: we are non-lenient unless told to
241: $nonlenient=1;
242: if ($lenientparm=~/^1|on|yes$/i) {
243: $nonlenient=0;
244: }
245: }
246: if ( &Apache::response::submitted()) {
247:
248: my @whichopt = &whichfoils($max,$randomize);
249: my $temp=1;my $name;
250: my %responsehash;
251: my %grade;
252: my $right=0;
253: my $wrong=0;
254: my $ignored=0;
255: foreach $name (@whichopt) {
256: my $response=&Apache::response::getresponse($temp);
257: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
258: $response = $opt[$response];
259: }
260: if ( $response =~ /[^\s]/) {
261: $responsehash{$name}=$response;
262: my $value=$Apache::response::foilgroup{$name.'.value'};
263: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
264: if ($value eq $response) {
265: $grade{$name}='1'; $right++;
266: } else {
267: $grade{$name}='0'; $wrong++;
268: }
269: } else {
270: $ignored++;
271: }
272: $temp++;
273: }
274: my $part=$Apache::inputtags::part;
275: my $id = $Apache::inputtags::response['-1'];
276: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
277: my $gradestr =&Apache::lonnet::hash2str(%grade);
278: my %previous=&Apache::response::check_for_previous($responsestr,
279: $part,$id);
280: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
281: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
282: $responsestr;
283: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
284: if ($Apache::lonhomework::type eq 'randomizetry') {
285: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
286: }
287: if (($Apache::lonhomework::type eq 'survey') ||
288: ($Apache::lonhomework::type eq 'surveycred') ||
289: ($Apache::lonhomework::type eq 'anonsurvey') ||
290: ($Apache::lonhomework::type eq 'anonsurveycred')) {
291: if ($ignored == 0) {
292: my $ad;
293: if ($Apache::lonhomework::type eq 'anonsurveycred') {
294: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
295: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
296: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
297: } elsif ($Apache::lonhomework::type eq 'surveycred') {
298: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
299: } else {
300: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
301: }
302: &Apache::response::handle_previous(\%previous,$ad);
303: } elsif ($wrong==0 && $right==0) {
304: } else {
305: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
306: &Apache::response::handle_previous(\%previous,$ad);
307: }
308: } elsif ($nonlenient) {
309: #
310: # Non-lenient mode. All right or all wrong
311: #
312: my $ad;
313: if ($wrong==0 && $ignored==0) {
314: $ad='EXACT_ANS';
315: } elsif ($wrong==0 && $right==0) {
316: #nothing submitted
317: } else {
318: if ($ignored==0) {
319: $ad='INCORRECT';
320: } else {
321: $ad='MISSING_ANSWER';
322: }
323: }
324: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
325: &Apache::response::handle_previous(\%previous,$ad);
326: } else {
327: #
328: # This is lenient mode
329: #
330: my $ad;
331: if ($wrong==0 && $right==0) {
332: #nothing submitted only assign a score if we
333: #need to override a previous grade
334: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
335: $ad='ASSIGNED_SCORE';
336: }
337: } else {
338: $ad='ASSIGNED_SCORE';
339: }
340: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
341: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
342: $right/(scalar(@whichopt));
343: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
344: scalar(@whichopt);
345: }
346: }
347: }
348: my $part_id = $Apache::inputtags::part;
349: my $response_id = $Apache::inputtags::response[-1];
350: &Apache::lonxml::increment_counter(&getfoilcounts($max),
351: "$part_id.$response_id");
352: if ($target eq 'analyze') {
353: &Apache::lonhomework::set_bubble_lines();
354: }
355:
356: } elsif ($target eq 'edit') {
357: $result.=&Apache::edit::end_table();
358: }
359: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
360: if($env{'form.pdfFormFields'} ne 'yes') {
361: $result .= '\end{itemize}';
362: } else {
363: $result .= "\\\\";
364: }
365: }
366: &Apache::response::poprandomnumber();
367: return $result;
368: }
369:
370: sub getfoilcounts {
371: my ($max)=@_;
372: # +1 since instructors will count from 1
373: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
374: if (&Apache::response::showallfoils()) { $max=$count; }
375: if ($count>$max) { $count=$max }
376: &Apache::lonxml::debug("Count is $count from $max");
377: return $count;
378: }
379:
380: sub whichfoils {
381: my ($max,$randomize)=@_;
382: return &Apache::response::whichorder($max,$randomize,
383: &Apache::response::showallfoils(),
384: \%Apache::response::foilgroup);
385: }
386:
387: sub displayanswers {
388: my ($max,$randomize,@opt)=@_;
389: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
390: my @names = @{ $Apache::response::foilgroup{'names'} };
391: my @whichopt = &whichfoils($max,$randomize);
392: my $result;
393: if ($Apache::lonhomework::type eq 'exam') {
394: my $i = 0;
395: my %opt = map { ($_,$i++) } @opt;
396:
397: $i = 0;
398: my @alphabet = ('A'..'Z');
399: foreach my $name (@whichopt) {
400: $result.=&Apache::response::answer_header('optionresponse',$i++);
401: $result.=&Apache::response::answer_part('optionresponse',
402: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
403: $result.=&Apache::response::answer_part('optionresponse',
404: $Apache::response::foilgroup{$name.'.value'});
405: $result.=&Apache::response::answer_footer('optionresponse');
406: }
407: } else {
408: $result=&Apache::response::answer_header('optionresponse');
409: foreach my $name (@whichopt) {
410: $result.=&Apache::response::answer_part('optionresponse',
411: $Apache::response::foilgroup{$name.'.value'});
412: }
413: $result.=&Apache::response::answer_footer('optionresponse');
414: }
415: return $result;
416: }
417:
418: sub check_box_opt {
419: my ($target,$checkboxvalue,@opt)=@_;
420: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
421: # If so, return "checked" value
422: if ($#opt!=1) { return ''; }
423: if ($target ne 'web') { return ''; }
424: return $checkboxvalue;
425: }
426:
427: sub check_for_invalid {
428: my ($names,$options) = @_;
429: my %bad_names;
430: foreach my $name (@{ $names }) {
431: my $value=$Apache::response::foilgroup{$name.'.value'};
432: my $found=0;
433: foreach my $option (@{ $options }) {
434: if ($value eq $option) { $found=1; }
435: }
436: if (!$found) { $bad_names{$name}=$value; }
437: }
438: if (%bad_names) {
439: my $error=&mt('The question can not be gotten correct, '.
440: 'the following foils in the <optionresponse> '.
441: 'have invalid correct options').' <br /><tt>'.
442: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
443: "</tt>";
444: &Apache::lonxml::error($error);
445: }
446: }
447:
448: sub displayfoils {
449: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt)=@_;
450: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
451: my @names = @{ $Apache::response::foilgroup{'names'} };
452: my @truelist;
453: my @falselist;
454: my $result;
455: my $name;
456: my $displayoptionintex=1;
457: my @alphabet = ('A'..'Z');
458: my @whichopt = &whichfoils($max,$randomize);
459: &check_for_invalid(\@whichopt,\@opt);
460: my $part=$Apache::inputtags::part;
461: my $id=$Apache::inputtags::response[-1];
462: my $break;
463: if ( ($target ne 'tex') &&
464: &Apache::response::show_answer() ) {
465: my $temp=1;
466: foreach $name (@whichopt) {
467: my $text=$Apache::response::foilgroup{$name.'.text'};
468: my $lastresp;
469: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
470: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
471: }
472: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
473: my $lastopt=$lastresponse{$name};
474: if ($text!~/^\s*$/) { $break='<br />'; }
475: $result.=$break;
476: if ($target eq 'web') {
477: my $value=$Apache::response::foilgroup{$name.'.value'};
478: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
479: if ($text=~/^\s*$/) {
480: $text=$value.$text;
481: } else {
482: $text='<b>'.$value.':</b> '.$text;
483: }
484: } else {
485: if (@whichopt > 1) {
486: $text='•'.$text;
487: }
488: }
489: $result.=$text."\n";
490: }
491: if ($Apache::lonhomework::type eq 'exam') {
492: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
493: }
494: $temp++;
495: }
496: } else {
497: my $temp=1;
498: my %lastresponse;
499: my $newvariation;
500: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
501: ($Apache::lonhomework::type eq 'randomizetry')) &&
502: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
503: if ($env{'form.'.$part.'.rndseed'} ne
504: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
505: $newvariation = 1;
506: }
507: }
508: unless ($newvariation) {
509: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
510: }
511: my $internal_counter=$Apache::lonxml::counter;
512: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
513: if ($checkboxopt) {
514: $result.='<br />'.
515: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
516: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
517: }
518: foreach $name (@whichopt) {
519: my $text=$Apache::response::foilgroup{$name.'.text'};
520: if ($text!~/^\s*$/) {
521: if ($target eq 'tex') {
522: $break='\vskip 0 mm ';
523: } elsif ($target eq 'web') {
524: $break='<br />';
525: }
526: }
527: my $lastopt=$lastresponse{$name};
528: my $optionlist="<option></option>\n";
529:
530: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
531: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
532: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
533: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
534: }
535:
536: foreach my $option (@opt) {
537: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
538: if ($option eq $lastopt) {
539: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
540: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
541: && $Apache::lonhomework::type ne 'exam') {
542: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
543: } else {
544: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
545: }
546: } else {
547: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
548: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
549: && $Apache::lonhomework::type ne 'exam') {
550: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
551: } else {
552: $optionlist.="<option value='".$escopt."'>$option</option>\n";
553: }
554: }
555: }
556: if ($target ne 'tex') {
557: if ($Apache::lonhomework::type ne 'exam') {
558: # we are on the web, this is not an exam, and the problem can be answered
559: if ($checkboxopt) {
560: # generate checkboxes
561: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
562: my $altopt=$opt[0];
563: if ($opt[0] eq $checkboxopt) {
564: $altopt=$opt[1];
565: }
566: my $defopt=$lastopt;
567: unless ($defopt) { $defopt=$altopt; }
568: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
569: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
570: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
571: # checkboxopt is how the box is labelled
572: # altopt is the alternative option
573: # lastopt is what the user submitted before
574: # defopt is what the field is going to start out with: either previous choice or altopt
575: # fieldname is this input field's name after HWVAL_
576: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
577: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
578: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
579: } else {
580: # classic selection list
581: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
582: $part.'\');" name="HWVAL_'.
583: $Apache::inputtags::response['-1'].':'.$temp.'">'.
584: $optionlist."</select>\n";
585: }
586: } else {
587: $optionlist='<u>'.(' 'x10).'</u>';
588: }
589: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
590: if ($Apache::lonhomework::type ne 'exam') {
591: if (@whichopt > 1) {
592: $text='•'.$text;
593: }
594: }
595: } else {
596: if ($Apache::lonhomework::type ne 'exam') {
597: $text=$optionlist.$text;
598: }
599: }
600: $result.=$break.$text."\n";
601: if ($Apache::lonhomework::type eq 'exam') {
602: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
603: }
604: $temp++;
605: } else {
606: my $texoptionlist='';
607: if ($displayoptionintex &&
608: $Apache::lonhomework::type ne 'exam') {
609: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
610: }
611: if ($text=~/<drawoptionlist\s*\/>/) {
612: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
613: }
614:
615: if ($text=~m/\\item /) {
616: if ($Apache::lonhomework::type eq 'exam') {
617: $text=~s/\\item/\\vskip 2 mm/;
618: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
619: $result.= $texoptionlist.$text;
620: }
621: } else {
622: if ($Apache::lonhomework::type eq 'exam') {
623: $result.= $texoptionlist.' '.$text;
624: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
625: if ($text=~/\S/) {
626: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
627: } else {
628: $result.= $texoptionlist;
629: }
630: }
631: }
632: if ($Apache::lonhomework::type eq 'exam') {
633: $result.='\vskip -1 mm\noindent';
634: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
635: ' \strut ';
636: $internal_counter++;
637: }
638: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
639: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
640: && $Apache::lonhomework::type ne 'exam') {
641: $text =~ s/\\item//m;
642: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
643: $temp++;
644: }
645: $displayoptionintex=0;
646: }
647: }
648: }
649:
650: if ($target eq 'web') {
651: my $data = [\@whichopt,'submissiongrading'];
652: my $questiontype;
653: if ($Apache::lonhomework::type eq 'randomizetry') {
654: $questiontype = $Apache::lonhomework::type,
655: }
656: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
657: }
658:
659: if ($target ne 'tex') {
660: return $result.$break;
661: } else {
662: return $result;
663: }
664: }
665:
666:
667: sub optionlist_correction {
668: my ($TeXlayout,@options) = @_;
669: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
670: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
671: if (scalar(@options) > 0) {
672: foreach my $option (@options) {
673: $texoptionlist.='{\bf '.
674: &Apache::lonxml::latex_special_symbols($option).
675: '}';
676: if ($TeXlayout eq 'vertical') {
677: $texoptionlist.=' \vskip 0 mm ',
678: } else {
679: $texoptionlist.=', ';
680: }
681: }
682: $texoptionlist=~s/, $//;
683: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
684: } else {
685: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
686: }
687: return $texoptionlist;
688: }
689:
690:
691: sub webbubbles {
692: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
693: my @opt=@$ropt;
694: my @alphabet=@$ralphabet;
695: my $result='';
696: my $number_of_bubbles = $#opt + 1;
697: $result.= '<table border="1"><tr>';
698: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
699: my $checked='';
700: if ($lastopt eq $opt[$ind]) {
701: $checked=' checked="on" ';
702: }
703: $result.='<td><input type="radio" name="HWVAL_'.
704: $Apache::inputtags::response['-1'].':'.$temp.
705: '" value="'.$opt[$ind].'" '.$checked.' />';
706: if ($alphabet[$ind]) {
707: $result.=$alphabet[$ind].': ';
708: }
709: $result.=$opt[$ind].'</td>';
710: }
711: $result.='</tr></table>';
712: return $result;
713: }
714:
715:
716: sub bubbles {
717: my ($ralphabet,$ropt,$response, $max_width) = @_;
718: my @alphabet = @$ralphabet;
719: my @opt = @$ropt;
720: my ($result,$head,$line) =('','','');
721: my $number_of_bubbles = $#opt + 1;
722: my $current_length = 0;
723: my $textwidth;
724: if (defined($max_width)) {
725: $textwidth=$max_width;
726: &Apache::lonxml::debug("Max width passed in: $max_width");
727: } elsif ($env{'form.textwidth'} ne '') {
728: $env{'form.textwidth'}=~/(\d+)/;
729: $textwidth=$1;
730: &Apache::lonxml::debug("Max width from form: $textwidth");
731: } else {
732: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
733: $textwidth=$1.'.'.$2;
734: &Apache::lonxml::debug("Max width defaults? $textwidth");
735: }
736: &Apache::lonxml::debug("Final maxwidth: $textwidth");
737: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
738: my $leftmargin;
739: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
740: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
741: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
742:
743: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
744: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
745: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
746: $head.='lr';
747: } else {
748: $line=~s/\&\s*$//;
749: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
750: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
751: $head ='lr';
752: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
753: }
754:
755: }
756: return $result;
757: }
758:
759:
760: sub start_conceptgroup {
761: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
762: $Apache::optionresponse::conceptgroup=1;
763: %Apache::response::conceptgroup=();
764: my $result;
765: if ($target eq 'edit') {
766: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
767: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
768: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
769: }
770: if ($target eq 'modified') {
771: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
772: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
773: }
774: return $result;
775: }
776:
777: sub end_conceptgroup {
778: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
779: $Apache::optionresponse::conceptgroup=0;
780: my $result='';
781: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
782: $target eq 'tex' || $target eq 'analyze') {
783: #if not there aren't any foils to display and thus no question
784: &Apache::response::pick_foil_for_concept($target,
785: ['value','text','location'],
786: \%Apache::hint::option,
787: $parstack,$safeeval);
788: } elsif ($target eq 'edit') {
789: $result=&Apache::edit::end_table();
790: }
791: return $result;
792: }
793:
794: sub insert_conceptgroup {
795: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
796: return $result;
797: }
798:
799: sub start_foil {
800: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
801: my $result='';
802: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
803: &Apache::lonxml::startredirection;
804: if ($target eq 'analyze') {
805: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
806: }
807: } elsif ($target eq 'edit') {
808: $result=&Apache::edit::tag_start($target,$token,"Foil");
809: my $level='-2';
810: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
811: my @opt;
812: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
813: $result.=&Apache::edit::text_arg('Name:','name',$token);
814: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
815: ['unused',(@opt)],$token,'15');
816: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
817: $safeeval,'-3');
818: if ($randomize ne 'no') {
819: $result.=&Apache::edit::select_arg('Location:','location',
820: ['random','top','bottom'],$token);
821: }
822: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
823: } elsif ($target eq 'modified') {
824: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
825: 'value','name','location');
826: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
827: }
828: return $result;
829: }
830:
831: sub end_foil {
832: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
833: my $text ='';
834: my $result = '';
835: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
836: $text=&Apache::lonxml::endredirection;
837: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
838: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
839: }
840: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
841: || $target eq 'tex' || $target eq 'analyze') {
842: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
843: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
844: $text='\vskip 5mm $\triangleright$ '.$text;
845: }
846: if ($value ne 'unused') {
847: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
848: &Apache::lonxml::debug("Got a name of :$name:");
849: if ($name eq "") {
850: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
851: $name=$Apache::lonxml::curdepth;
852: }
853: if ($name eq "0") {
854: &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>'));
855: }
856: &Apache::lonxml::debug("Using a name of :$name:");
857: if (defined($Apache::response::foilnames{$name})) {
858: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
859: }
860: $Apache::response::foilnames{$name}++;
861: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
862: if ( $Apache::optionresponse::conceptgroup
863: && !&Apache::response::showallfoils() ) {
864: push @{ $Apache::response::conceptgroup{'names'} }, $name;
865: $Apache::response::conceptgroup{"$name.value"} = $value;
866: $Apache::response::conceptgroup{"$name.text"} = $text;
867: $Apache::response::conceptgroup{"$name.location"} = $location;
868: } else {
869: push @{ $Apache::response::foilgroup{'names'} }, $name;
870: $Apache::response::foilgroup{"$name.value"} = $value;
871: $Apache::response::foilgroup{"$name.text"} = $text;
872: $Apache::response::foilgroup{"$name.location"} = $location;
873: }
874: }
875: }
876: if ($target eq 'edit') {
877: $result.= &Apache::edit::tag_end($target,$token,'');
878: }
879: return $result;
880: }
881:
882: sub start_drawoptionlist {
883: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
884: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
885: return $token->[4];
886: }
887: }
888:
889: sub end_drawoptionlist {
890: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
891: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
892: return $token->[2];
893: }
894: }
895:
896: sub insert_foil {
897: return '
898: <foil name="" value="unused">
899: <startouttext />
900: <endouttext />
901: </foil>';
902: }
903:
904: sub insert_drawoptionlist {
905: return '<drawoptionlist />';
906: }
907: 1;
908: __END__
909:
910: =head1 NAME
911:
912: Apache::optionresponse.pm;
913:
914: =head1 SYNOPSIS
915:
916: Handles tags associated with showing a list of
917: options.
918:
919: This is part of the LearningOnline Network with CAPA project
920: described at http://www.lon-capa.org.
921:
922: =head1 HANDLER SUBROUTINE
923:
924: start_optionresponse()
925:
926: =head1 OTHER SUBROUTINES
927:
928: =over
929:
930: =item end_optionresponse()
931:
932: =item start_foilgroup()
933:
934: =item end_foilgroup()
935:
936: =item getfoilcounts()
937:
938: =item displayanswers()
939:
940: =item check_for_invalid()
941:
942: =item displayfoils()
943:
944: =item optionlist_correction()
945:
946: =item webbubbles()
947:
948: =item bubbles()
949:
950: =item start_conceptgroup()
951:
952: =item end_conceptgroup()
953:
954: =item insert_conceptgroup()
955:
956: =item start_foil()
957:
958: =item end_foil()
959:
960: =item start_drawoptionlist()
961:
962: =item end_drawoptionlist()
963:
964: =item insert_foil()
965:
966: =item insert_drawoptionlist()
967:
968: =back
969:
970: =cut
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