1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.182 2011/11/08 05:19:14 raeburn 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"} ne '') {
159: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
160: push(@options,$newopt);
161: $optchanged=1;
162: }
163: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
164: 'texoptions','checkboxvalue','checkboxoptions');
165: if ($optchanged || $rebuildtag ) {
166: $result = "<foilgroup options=\"(";
167: foreach my $option (@options) {
168: $option=~s/\'/\\\'/g;
169: &Apache::lonxml::debug("adding option :$option:");
170: $result .="'".$option."',";
171: }
172: chop $result;
173: $result.=')" ';
174: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
175: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
176: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
177: $result .= '>';
178: } # else nothing changed so just use the default mechanism
179: }
180: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
181: if($env{'form.pdfFormFields'} ne 'yes') {
182: $result .= ' \begin{itemize} ';
183: } else {
184: $result .= "\\\\";
185: }
186: }
187: return $result;
188: }
189:
190: sub end_foilgroup {
191: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
192:
193: my $result;
194: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
195: $target eq 'tex' || $target eq 'analyze') {
196: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
197: my $name;
198: my @opt;
199: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
200: &Apache::lonxml::debug("options:".join(':',@opt));
201:
202: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
203: -2,0);
204: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
205: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
206: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
207: &Apache::lonxml::debug("Options are $#opt");
208: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
209: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
210: $safeeval,'-2');
211: if ($target eq 'web' || $target eq 'tex') {
212: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch,@opt);
213: $Apache::lonxml::post_evaluate=0;
214: } elsif ( $target eq 'answer') {
215: $result.=&displayanswers($max,$randomize,@opt);
216:
217: } elsif ( $target eq 'analyze') {
218: my @shown = &whichfoils($max,$randomize);
219: &Apache::response::analyze_store_foilgroup(\@shown,
220: ['text','value','location']);
221: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
222: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
223: } elsif ( $target eq 'grade') {
224:
225: if ( &Apache::response::submitted()) {
226:
227: my @whichopt = &whichfoils($max,$randomize);
228: my $temp=1;my $name;
229: my %responsehash;
230: my %grade;
231: my $right=0;
232: my $wrong=0;
233: my $ignored=0;
234: my ($numrows,$bubbles_per_row);
235: if ($Apache::lonhomework::scantronmode) {
236: my $numitems = scalar(@opt);
237: ($numrows,$bubbles_per_row) =
238: &Apache::optionresponse::getnumrows($numitems);
239: }
240: if ($numrows < 1) {
241: $numrows = 1;
242: }
243: foreach $name (@whichopt) {
244: my $response;
245: if ($env{'form.submitted'} eq 'scantron') {
246: if ($numrows > 1) {
247: my $num = $temp;
248: my $totalnum;
249: for (my $i=0; $i<$numrows; $i++) {
250: my $item = &Apache::response::getresponse($num);
251: if ($item =~ /^\d+$/) {
252: $totalnum = $i*$bubbles_per_row + $item;
253: }
254: $num ++;
255: }
256: if ($totalnum =~ /^\d+$/) {
257: $response = $opt[$totalnum];
258: }
259: $temp += $numrows;
260: } else {
261: $response=&Apache::response::getresponse($temp);
262: if ($response=~/\S/) {
263: $response = $opt[$response];
264: }
265: $temp ++;
266: }
267: } else {
268: $response=&Apache::response::getresponse($temp);
269: $temp ++;
270: }
271: if ( $response =~ /[^\s]/) {
272: $responsehash{$name}=$response;
273: my $value=$Apache::response::foilgroup{$name.'.value'};
274: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
275: if ($value eq $response) {
276: $grade{$name}='1'; $right++;
277: } else {
278: $grade{$name}='0'; $wrong++;
279: }
280: } else {
281: $ignored++;
282: }
283: }
284: my $part=$Apache::inputtags::part;
285: my $nonlenient=&is_nonlenient($part);
286: my $id = $Apache::inputtags::response['-1'];
287: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
288: my $gradestr =&Apache::lonnet::hash2str(%grade);
289: my %previous=&Apache::response::check_for_previous($responsestr,
290: $part,$id);
291: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
292: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
293: $responsestr;
294: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
295: if ($Apache::lonhomework::type eq 'randomizetry') {
296: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
297: }
298: if (($Apache::lonhomework::type eq 'survey') ||
299: ($Apache::lonhomework::type eq 'surveycred') ||
300: ($Apache::lonhomework::type eq 'anonsurvey') ||
301: ($Apache::lonhomework::type eq 'anonsurveycred')) {
302: if ($ignored == 0) {
303: my $ad;
304: if ($Apache::lonhomework::type eq 'anonsurveycred') {
305: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
306: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
307: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
308: } elsif ($Apache::lonhomework::type eq 'surveycred') {
309: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
310: } else {
311: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
312: }
313: &Apache::response::handle_previous(\%previous,$ad);
314: } elsif ($wrong==0 && $right==0) {
315: } else {
316: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
317: &Apache::response::handle_previous(\%previous,$ad);
318: }
319: } elsif ($nonlenient) {
320: #
321: # Non-lenient mode. All right or all wrong
322: #
323: my $ad;
324: if ($wrong==0 && $ignored==0) {
325: $ad='EXACT_ANS';
326: } elsif ($wrong==0 && $right==0) {
327: #nothing submitted
328: } else {
329: if ($ignored==0) {
330: $ad='INCORRECT';
331: } else {
332: $ad='MISSING_ANSWER';
333: }
334: }
335: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
336: &Apache::response::handle_previous(\%previous,$ad);
337: } else {
338: #
339: # This is lenient mode
340: #
341: my $ad;
342: if ($wrong==0 && $right==0) {
343: #nothing submitted only assign a score if we
344: #need to override a previous grade
345: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
346: $ad='ASSIGNED_SCORE';
347: }
348: } else {
349: $ad='ASSIGNED_SCORE';
350: }
351: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
352: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
353: $right/(scalar(@whichopt));
354: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
355: scalar(@whichopt);
356: }
357: }
358: }
359: my $part_id = $Apache::inputtags::part;
360: my $response_id = $Apache::inputtags::response[-1];
361: my ($numrows,$bubbles_per_row);
362: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
363: ($numrows,$bubbles_per_row) =
364: &Apache::optionresponse::getnumrows(scalar(@opt));
365: }
366: if ($numrows < 1) {
367: $numrows = 1;
368: }
369: my $increment = &getfoilcounts($max) * $numrows;
370: &Apache::lonxml::increment_counter($increment,"$part_id.$response_id");
371: if ($target eq 'analyze') {
372: &Apache::lonhomework::set_bubble_lines();
373: }
374:
375: } elsif ($target eq 'edit') {
376: $result.=&Apache::edit::end_table();
377: }
378: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
379: if($env{'form.pdfFormFields'} ne 'yes') {
380: $result .= '\end{itemize}';
381: } else {
382: $result .= "\\\\";
383: }
384: }
385: &Apache::response::poprandomnumber();
386: return $result;
387: }
388:
389: sub is_nonlenient {
390: my ($part) = @_;
391: # Web mode: we are non-lenient unless told otherwise
392: my $defaultparm = 'off';
393: my $nonlenient = 0;
394: # Grading a bubblesheet exam: we are grading lenient unless told otherwise
395: if ($Apache::lonhomework::scantronmode) {
396: $defaultparm = 'on';
397: $nonlenient = 1;
398: }
399: my $lenientparm =
400: &Apache::response::get_response_param($part,'lenient',$defaultparm);
401: if ($lenientparm=~/^0|off|no$/i) {
402: $nonlenient = 1;
403: } elsif ($lenientparm=~/^1|on|yes$/i) {
404: $nonlenient = 0;
405: }
406: return $nonlenient;
407: }
408:
409: sub getfoilcounts {
410: my ($max)=@_;
411: # +1 since instructors will count from 1
412: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
413: if (&Apache::response::showallfoils()) { $max=$count; }
414: if ($count>$max) { $count=$max }
415: &Apache::lonxml::debug("Count is $count from $max");
416: return $count;
417: }
418:
419: sub whichfoils {
420: my ($max,$randomize)=@_;
421: return &Apache::response::whichorder($max,$randomize,
422: &Apache::response::showallfoils(),
423: \%Apache::response::foilgroup);
424: }
425:
426: sub displayanswers {
427: my ($max,$randomize,@opt)=@_;
428: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
429: my @names = @{ $Apache::response::foilgroup{'names'} };
430: my @whichopt = &whichfoils($max,$randomize);
431: my $result;
432: if ($Apache::lonhomework::type eq 'exam') {
433: my $i = 0;
434: my %opt = map { ($_,$i++) } @opt;
435:
436: $i = 0;
437: my @alphabet = ('A'..'Z');
438: foreach my $name (@whichopt) {
439: $result.=&Apache::response::answer_header('optionresponse',$i++);
440: $result.=&Apache::response::answer_part('optionresponse',
441: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
442: $result.=&Apache::response::answer_part('optionresponse',
443: $Apache::response::foilgroup{$name.'.value'});
444: $result.=&Apache::response::answer_footer('optionresponse');
445: }
446: } else {
447: $result=&Apache::response::answer_header('optionresponse');
448: foreach my $name (@whichopt) {
449: $result.=&Apache::response::answer_part('optionresponse',
450: $Apache::response::foilgroup{$name.'.value'});
451: }
452: $result.=&Apache::response::answer_footer('optionresponse');
453: }
454: return $result;
455: }
456:
457: sub check_box_opt {
458: my ($target,$checkboxvalue,@opt)=@_;
459: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
460: # If so, return "checked" value
461: if ($#opt!=1) { return ''; }
462: if ($target ne 'web') { return ''; }
463: return $checkboxvalue;
464: }
465:
466: sub check_for_invalid {
467: my ($names,$options) = @_;
468: my %bad_names;
469: foreach my $name (@{ $names }) {
470: my $value=$Apache::response::foilgroup{$name.'.value'};
471: my $found=0;
472: foreach my $option (@{ $options }) {
473: if ($value eq $option) { $found=1; }
474: }
475: if (!$found) { $bad_names{$name}=$value; }
476: }
477: if (%bad_names) {
478: my $error=&mt('The question can not be gotten correct, '.
479: 'the following foils in the <optionresponse> '.
480: 'have invalid correct options').' <br /><tt>'.
481: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
482: "</tt>";
483: &Apache::lonxml::error($error);
484: }
485: }
486:
487: sub displayfoils {
488: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
489: $tex_option_switch,@opt)=@_;
490: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
491: my @names = @{ $Apache::response::foilgroup{'names'} };
492: my @truelist;
493: my @falselist;
494: my $result;
495: my $name;
496: my $displayoptionintex=1;
497: my @alphabet = ('A'..'Z');
498: my @whichopt = &whichfoils($max,$randomize);
499: unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
500: &check_for_invalid(\@whichopt,\@opt);
501: }
502: my $part=$Apache::inputtags::part;
503: my $id=$Apache::inputtags::response[-1];
504: my $break;
505: if ( ($target ne 'tex') &&
506: &Apache::response::show_answer() ) {
507: my $temp=1;
508: foreach $name (@whichopt) {
509: my $text=$Apache::response::foilgroup{$name.'.text'};
510: my $lastresp;
511: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
512: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
513: }
514: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
515: my $lastopt=$lastresponse{$name};
516: if ($text!~/^\s*$/) { $break='<br />'; }
517: $result.=$break;
518: if ($target eq 'web') {
519: my $value=$Apache::response::foilgroup{$name.'.value'};
520: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
521: if ($text=~/^\s*$/) {
522: $text=$value.$text;
523: } else {
524: $text='<b>'.$value.':</b> '.$text;
525: }
526: } else {
527: if (@whichopt > 1) {
528: $text='•'.$text;
529: }
530: }
531: $result.=$text."\n";
532: }
533: if ($Apache::lonhomework::type eq 'exam') {
534: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
535: }
536: $temp++;
537: }
538: } else {
539: my $temp=1;
540: my %lastresponse;
541: my $newvariation;
542: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
543: ($Apache::lonhomework::type eq 'randomizetry')) &&
544: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
545: if ($env{'form.'.$part.'.rndseed'} ne
546: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
547: $newvariation = 1;
548: }
549: }
550: unless ($newvariation) {
551: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
552: }
553: my $internal_counter=$Apache::lonxml::counter;
554: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
555: if ($checkboxopt) {
556: $result.='<br />'.
557: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
558: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
559: }
560: foreach $name (@whichopt) {
561: my $text=$Apache::response::foilgroup{$name.'.text'};
562: if ($text!~/^\s*$/) {
563: if ($target eq 'tex') {
564: $break='\vskip 0 mm ';
565: } elsif ($target eq 'web') {
566: $break='<br />';
567: }
568: }
569: my $lastopt=$lastresponse{$name};
570: my $optionlist="<option></option>\n";
571:
572: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
573: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
574: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
575: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
576: }
577:
578: foreach my $option (@opt) {
579: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
580: if ($option eq $lastopt) {
581: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
582: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
583: && $Apache::lonhomework::type ne 'exam') {
584: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
585: } else {
586: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
587: }
588: } else {
589: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
590: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
591: && $Apache::lonhomework::type ne 'exam') {
592: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
593: } else {
594: $optionlist.="<option value='".$escopt."'>$option</option>\n";
595: }
596: }
597: }
598: if ($target ne 'tex') {
599: if ($Apache::lonhomework::type ne 'exam') {
600: # we are on the web, this is not an exam, and the problem can be answered
601: if ($checkboxopt) {
602: # generate checkboxes
603: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
604: my $altopt=$opt[0];
605: if ($opt[0] eq $checkboxopt) {
606: $altopt=$opt[1];
607: }
608: my $defopt=$lastopt;
609: unless ($defopt) { $defopt=$altopt; }
610: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
611: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
612: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
613: # checkboxopt is how the box is labelled
614: # altopt is the alternative option
615: # lastopt is what the user submitted before
616: # defopt is what the field is going to start out with: either previous choice or altopt
617: # fieldname is this input field's name after HWVAL_
618: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
619: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
620: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
621: } else {
622: # classic selection list
623: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
624: $part.'\');" name="HWVAL_'.
625: $Apache::inputtags::response['-1'].':'.$temp.'">'.
626: $optionlist."</select>\n";
627: }
628: } else {
629: $optionlist='<u>'.(' 'x10).'</u>';
630: }
631: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
632: if ($Apache::lonhomework::type ne 'exam') {
633: if (@whichopt > 1) {
634: $text='•'.$text;
635: }
636: }
637: } else {
638: if ($Apache::lonhomework::type ne 'exam') {
639: $text=$optionlist.$text;
640: }
641: }
642: $result.=$break.$text."\n";
643: if ($Apache::lonhomework::type eq 'exam') {
644: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
645: }
646: $temp++;
647: } else {
648: my $texoptionlist='';
649: if ($displayoptionintex &&
650: $Apache::lonhomework::type ne 'exam') {
651: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
652: }
653: if ($text=~/<drawoptionlist\s*\/>/) {
654: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
655: }
656:
657: if ($text=~m/\\item /) {
658: if ($Apache::lonhomework::type eq 'exam') {
659: $text=~s/\\item/\\vskip 2 mm/;
660: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
661: $result.= $texoptionlist.$text;
662: }
663: } else {
664: if ($Apache::lonhomework::type eq 'exam') {
665: $result.= $texoptionlist.' '.$text;
666: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
667: if ($text=~/\S/) {
668: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
669: } else {
670: $result.= $texoptionlist;
671: }
672: }
673: }
674: if ($Apache::lonhomework::type eq 'exam') {
675: $result.='\vskip -1 mm\noindent';
676: my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt));
677: if ($numrows == 1) {
678: $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm';
679: } else {
680: my $linetext;
681: for (my $i=0; $i<$numrows; $i++) {
682: $linetext .= $internal_counter+$i.', ';
683: }
684: $linetext =~ s/,\s$//;
685: $result .= '\small {\textbf{'.$linetext.'}} '.
686: '\hskip 2 mm {\footnotesize '.
687: &mt('(Bubble once in [_1] lines)',$numrows).
688: '} \vskip 1 mm';
689: }
690: $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows,
691: $bubbles_per_row,$internal_counter).
692: ' \strut ';
693: $internal_counter += $numrows;
694: }
695: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
696: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
697: && $Apache::lonhomework::type ne 'exam') {
698: $text =~ s/\\item//m;
699: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
700: $temp++;
701: }
702: $displayoptionintex=0;
703: }
704: }
705: }
706:
707: if ($target eq 'web') {
708: my $data = [\@whichopt,'submissiongrading'];
709: my $questiontype;
710: if ($Apache::lonhomework::type eq 'randomizetry') {
711: $questiontype = $Apache::lonhomework::type,
712: }
713: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
714: }
715:
716: if ($target ne 'tex') {
717: return $result.$break;
718: } else {
719: return $result;
720: }
721: }
722:
723:
724: sub optionlist_correction {
725: my ($TeXlayout,@options) = @_;
726: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
727: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
728: if (scalar(@options) > 0) {
729: foreach my $option (@options) {
730: $texoptionlist.='{\bf '.
731: &Apache::lonxml::latex_special_symbols($option).
732: '}';
733: if ($TeXlayout eq 'vertical') {
734: $texoptionlist.=' \vskip 0 mm ',
735: } else {
736: $texoptionlist.=', ';
737: }
738: }
739: $texoptionlist=~s/, $//;
740: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
741: } else {
742: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
743: }
744: return $texoptionlist;
745: }
746:
747:
748: sub webbubbles {
749: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
750: my @opt=@$ropt;
751: my @alphabet=@$ralphabet;
752: my $result='';
753: my $number_of_bubbles = $#opt + 1;
754: $result.= '<table border="1"><tr>';
755: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
756: my $checked='';
757: if ($lastopt eq $opt[$ind]) {
758: $checked=' checked="on" ';
759: }
760: $result.='<td><input type="radio" name="HWVAL_'.
761: $Apache::inputtags::response['-1'].':'.$temp.
762: '" value="'.$opt[$ind].'" '.$checked.' />';
763: if ($alphabet[$ind]) {
764: $result.=$alphabet[$ind].': ';
765: }
766: $result.=$opt[$ind].'</td>';
767: }
768: $result.='</tr></table>';
769: return $result;
770: }
771:
772:
773: sub bubbles {
774: my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row,
775: $internal_counter) = @_;
776: my @alphabet = @$ralphabet;
777: my @opt = @$ropt;
778: my ($result,$head,$line) =('','','');
779: my $number_of_bubbles = $#opt + 1;
780: my $current_length = 0;
781: my $textwidth;
782: if (defined($max_width)) {
783: $textwidth=$max_width;
784: &Apache::lonxml::debug("Max width passed in: $max_width");
785: } elsif ($env{'form.textwidth'} ne '') {
786: $env{'form.textwidth'}=~/(\d+)/;
787: $textwidth=$1;
788: &Apache::lonxml::debug("Max width from form: $textwidth");
789: } else {
790: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
791: $textwidth=$1.'.'.$2;
792: &Apache::lonxml::debug("Max width defaults? $textwidth");
793: }
794: &Apache::lonxml::debug("Final maxwidth: $textwidth");
795: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
796: my $item;
797: if ($numrows > 1) {
798: my $num = $internal_counter+int($ind/$bubbles_per_row);
799: my $idx = int($ind % $bubbles_per_row);
800: $item = $num.$alphabet[$idx];
801: } else {
802: $item = $alphabet[$ind];
803: }
804: my $leftmargin;
805: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
806: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
807: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
808:
809: $current_length += (length($opt[$ind])+length($item)+4)*2;
810:
811: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
812:
813: $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
814: $head.='lr';
815: } else {
816: $line=~s/\&\s*$//;
817: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
818: $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
819: $head ='lr';
820: $current_length = (length($opt[$ind])+length($item))*2;
821: }
822:
823: }
824: return $result;
825: }
826:
827: sub start_conceptgroup {
828: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
829: $Apache::optionresponse::conceptgroup=1;
830: %Apache::response::conceptgroup=();
831: my $result;
832: if ($target eq 'edit') {
833: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
834: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
835: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
836: }
837: if ($target eq 'modified') {
838: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
839: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
840: }
841: return $result;
842: }
843:
844: sub end_conceptgroup {
845: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
846: $Apache::optionresponse::conceptgroup=0;
847: my $result='';
848: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
849: $target eq 'tex' || $target eq 'analyze') {
850: #if not there aren't any foils to display and thus no question
851: &Apache::response::pick_foil_for_concept($target,
852: ['value','text','location'],
853: \%Apache::hint::option,
854: $parstack,$safeeval);
855: } elsif ($target eq 'edit') {
856: $result=&Apache::edit::end_table();
857: }
858: return $result;
859: }
860:
861: sub insert_conceptgroup {
862: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
863: return $result;
864: }
865:
866: sub start_foil {
867: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
868: my $result='';
869: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
870: &Apache::lonxml::startredirection;
871: if ($target eq 'analyze') {
872: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
873: }
874: } elsif ($target eq 'edit') {
875: $result=&Apache::edit::tag_start($target,$token,"Foil");
876: my $level='-2';
877: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
878: my @opt;
879: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
880: $result.=&Apache::edit::text_arg('Name:','name',$token);
881: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
882: ['unused',(@opt)],$token,'15');
883: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
884: $safeeval,'-3');
885: if ($randomize ne 'no') {
886: $result.=&Apache::edit::select_arg('Location:','location',
887: ['random','top','bottom'],$token);
888: }
889: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
890: } elsif ($target eq 'modified') {
891: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
892: 'value','name','location');
893: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
894: }
895: return $result;
896: }
897:
898: sub end_foil {
899: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
900: my $text ='';
901: my $result = '';
902: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
903: $text=&Apache::lonxml::endredirection;
904: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
905: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
906: }
907: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
908: || $target eq 'tex' || $target eq 'analyze') {
909: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
910: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
911: $text='\vskip 5mm $\triangleright$ '.$text;
912: }
913: if ($value ne 'unused') {
914: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
915: &Apache::lonxml::debug("Got a name of :$name:");
916: if ($name eq "") {
917: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
918: $name=$Apache::lonxml::curdepth;
919: }
920: &Apache::lonxml::debug("Using a name of :$name:");
921: if (defined($Apache::response::foilnames{$name})) {
922: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
923: }
924: $Apache::response::foilnames{$name}++;
925: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
926: if ( $Apache::optionresponse::conceptgroup
927: && !&Apache::response::showallfoils() ) {
928: push @{ $Apache::response::conceptgroup{'names'} }, $name;
929: $Apache::response::conceptgroup{"$name.value"} = $value;
930: $Apache::response::conceptgroup{"$name.text"} = $text;
931: $Apache::response::conceptgroup{"$name.location"} = $location;
932: } else {
933: push @{ $Apache::response::foilgroup{'names'} }, $name;
934: $Apache::response::foilgroup{"$name.value"} = $value;
935: $Apache::response::foilgroup{"$name.text"} = $text;
936: $Apache::response::foilgroup{"$name.location"} = $location;
937: }
938: }
939: }
940: if ($target eq 'edit') {
941: $result.= &Apache::edit::tag_end($target,$token,'');
942: }
943: return $result;
944: }
945:
946: sub start_drawoptionlist {
947: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
948: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
949: return $token->[4];
950: }
951: }
952:
953: sub end_drawoptionlist {
954: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
955: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
956: return $token->[2];
957: }
958: }
959:
960: sub insert_foil {
961: return '
962: <foil name="" value="unused">
963: <startouttext />
964: <endouttext />
965: </foil>';
966: }
967:
968: sub insert_drawoptionlist {
969: return '<drawoptionlist />';
970: }
971:
972: sub getnumrows {
973: my ($numitems) = @_;
974: my $bubbles_per_row;
975: my $default_numbubbles = 10;
976: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
977: ($env{'form.bubbles_per_row'} > 0)) {
978: $bubbles_per_row = $env{'form.bubbles_per_row'};
979: } else {
980: $bubbles_per_row = $default_numbubbles;
981: }
982: my $numrows = int ($numitems/$bubbles_per_row);
983: if (($numitems % $bubbles_per_row) != 0) {
984: $numrows ++;
985: }
986: return ($numrows,$bubbles_per_row);
987: }
988:
989: 1;
990: __END__
991:
992: =head1 NAME
993:
994: Apache::optionresponse.pm;
995:
996: =head1 SYNOPSIS
997:
998: Handles tags associated with showing a list of
999: options.
1000:
1001: This is part of the LearningOnline Network with CAPA project
1002: described at http://www.lon-capa.org.
1003:
1004: =head1 HANDLER SUBROUTINE
1005:
1006: start_optionresponse()
1007:
1008: =head1 OTHER SUBROUTINES
1009:
1010: =over
1011:
1012: =item end_optionresponse()
1013:
1014: =item start_foilgroup()
1015:
1016: =item end_foilgroup()
1017:
1018: =item getfoilcounts()
1019:
1020: =item displayanswers()
1021:
1022: =item check_for_invalid()
1023:
1024: =item displayfoils()
1025:
1026: =item optionlist_correction()
1027:
1028: =item webbubbles()
1029:
1030: =item bubbles()
1031:
1032: =item start_conceptgroup()
1033:
1034: =item end_conceptgroup()
1035:
1036: =item insert_conceptgroup()
1037:
1038: =item start_foil()
1039:
1040: =item end_foil()
1041:
1042: =item start_drawoptionlist()
1043:
1044: =item end_drawoptionlist()
1045:
1046: =item insert_foil()
1047:
1048: =item insert_drawoptionlist()
1049:
1050: =back
1051:
1052: =cut
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