1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.193 2013/12/03 17:22:08 bisitz Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
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('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: my @raw_options = &Apache::lonxml::get_param('options', $parstack, $safeeval, 0, 0, 1);
112:
113:
114: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
115:
116: my $count=1;
117: foreach $option (@opt) {
118: $optionlist.="<option value=\"$count\">$option</option>\n";
119: $count++;
120: }
121: my $insertlist=&Apache::edit::insertlist($target,$token);
122: $result.=&Apache::edit::start_table($token);
123: my %lt = &Apache::lonlocal::texthash(
124: sel => 'Select Options',
125: add => 'Add new Option:',
126: del => 'Delete an Option:',
127: );
128: $result.= (<<ENDTABLE);
129: <tr><td>$lt{'sel'}</td>
130: <td>
131: $lt{'add'} <input type="text" name="$Apache::lonxml::curdepth.options" />
132: </td>
133: <td>$lt{'del'}
134: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
135: </td>
136: ENDTABLE
137: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
138: [ ['nochoice',"Don't show option list"] ]
139: ,$token).'</td>';
140: $result.= '<td><label>'.&mt('Two-option checkboxes for:').
141: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
142: foreach $option (('',@opt)) {
143: $result.='<option value="'.$option.'"';
144: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
145: $result.=' selected="selected"';
146: }
147: $result.='>'.$option.'</option>';
148: }
149: $result.='</select></label>';
150: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
151: [ ['nochoice',"Don't show option list"] ]
152: ,$token).'</td>';
153: $result.= &Apache::edit::end_row();
154: $result.= &Apache::edit::start_spanning_row();
155: $result.= $insertlist.'<br />';
156: }
157: if ($target eq 'modified') {
158: my @options;
159: my $optchanged=0;
160:
161:
162: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
163:
164: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
165: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
166: &Apache::lonxml::debug("Deleting :$delopt:");
167: splice(@options,$delopt-1,1);
168: $optchanged=1;
169: }
170: if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') {
171: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
172: push(@options,$newopt);
173: $optchanged=1;
174: }
175: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
176: 'texoptions','checkboxvalue','checkboxoptions');
177: if ($optchanged || $rebuildtag ) {
178: $result = "<foilgroup options=\"(";
179: foreach my $option (@options) {
180: $option=~s/\'/\\\'/g;
181: &Apache::lonxml::debug("adding option :$option:");
182: $result .="'".$option."',";
183: }
184: chop $result;
185: $result.=')" ';
186: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
187: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
188: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
189: $result .= '>';
190: } # else nothing changed so just use the default mechanism
191: }
192: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
193: if($env{'form.pdfFormFields'} ne 'yes') {
194: $result .= ' \begin{itemize} ';
195: } else {
196: $result .= "\\\\";
197: }
198: }
199: return $result;
200: }
201:
202: sub end_foilgroup {
203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
204:
205: my $result;
206: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
207: $target eq 'tex' || $target eq 'analyze') {
208: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
209: my $name;
210: my @opt;
211: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
212: &Apache::lonxml::debug("options:".join(':',@opt));
213:
214: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
215: -2,0);
216: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
217: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
218: my $noprompt =&Apache::lonxml::get_param('noprompt', $parstack, $safeeval);
219:
220: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
221: &Apache::lonxml::debug("Options are $#opt");
222: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
223: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
224: $safeeval,'-2');
225: if ($target eq 'web' || $target eq 'tex') {
226: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch, $noprompt, @opt);
227: $Apache::lonxml::post_evaluate=0;
228: } elsif ( $target eq 'answer') {
229: $result.=&displayanswers($max,$randomize,@opt);
230:
231: } elsif ( $target eq 'analyze') {
232: my @shown = &whichfoils($max,$randomize);
233: &Apache::response::analyze_store_foilgroup(\@shown,
234: ['text','value','location']);
235: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
236: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
237: } elsif ( $target eq 'grade') {
238:
239: if ( &Apache::response::submitted()) {
240:
241: my @whichopt = &whichfoils($max,$randomize);
242: my $temp=1;my $name;
243: my %responsehash;
244: my %grade;
245: my $right=0;
246: my $wrong=0;
247: my $ignored=0;
248: my ($numrows,$bubbles_per_row);
249: if ($Apache::lonhomework::scantronmode) {
250: my $numitems = scalar(@opt);
251: ($numrows,$bubbles_per_row) =
252: &Apache::optionresponse::getnumrows($numitems);
253: }
254: if ($numrows < 1) {
255: $numrows = 1;
256: }
257: foreach $name (@whichopt) {
258: my $response;
259: if ($env{'form.submitted'} eq 'scantron') {
260: if ($numrows > 1) {
261: my $num = $temp;
262: my $totalnum;
263: for (my $i=0; $i<$numrows; $i++) {
264: my $item = &Apache::response::getresponse($num);
265: if ($item =~ /^\d+$/) {
266: $totalnum = $i*$bubbles_per_row + $item;
267: }
268: $num ++;
269: }
270: if ($totalnum =~ /^\d+$/) {
271: $response = $opt[$totalnum];
272: }
273: $temp += $numrows;
274: } else {
275: $response=&Apache::response::getresponse($temp);
276: if ($response=~/\S/) {
277: $response = $opt[$response];
278: }
279: $temp ++;
280: }
281: } else {
282: $response=&Apache::response::getresponse($temp);
283: $temp ++;
284: }
285: if ( $response =~ /[^\s]/) {
286: $responsehash{$name}=$response;
287: my $value=$Apache::response::foilgroup{$name.'.value'};
288: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
289: if ($value eq $response) {
290: $grade{$name}='1'; $right++;
291: } else {
292: $grade{$name}='0'; $wrong++;
293: }
294: } else {
295: $ignored++;
296: }
297: }
298: my $part=$Apache::inputtags::part;
299: my $nonlenient=&grading_is_nonlenient($part);
300: my $id = $Apache::inputtags::response['-1'];
301: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
302: my $gradestr =&Apache::lonnet::hash2str(%grade);
303: my %previous=&Apache::response::check_for_previous($responsestr,
304: $part,$id);
305: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
306: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
307: $responsestr;
308: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
309: if ($Apache::lonhomework::type eq 'randomizetry') {
310: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
311: }
312: if (($Apache::lonhomework::type eq 'survey') ||
313: ($Apache::lonhomework::type eq 'surveycred') ||
314: ($Apache::lonhomework::type eq 'anonsurvey') ||
315: ($Apache::lonhomework::type eq 'anonsurveycred')) {
316: if ($ignored == 0) {
317: my $ad;
318: if ($Apache::lonhomework::type eq 'anonsurveycred') {
319: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
320: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
321: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
322: } elsif ($Apache::lonhomework::type eq 'surveycred') {
323: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
324: } else {
325: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
326: }
327: &Apache::response::handle_previous(\%previous,$ad);
328: } elsif ($wrong==0 && $right==0) {
329: } else {
330: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
331: &Apache::response::handle_previous(\%previous,$ad);
332: }
333: } elsif ($nonlenient) {
334: #
335: # Non-lenient mode. All right or all wrong
336: #
337: my $ad;
338: if ($wrong==0 && $ignored==0) {
339: $ad='EXACT_ANS';
340: } elsif ($wrong==0 && $right==0) {
341: #nothing submitted
342: } else {
343: if ($ignored==0) {
344: $ad='INCORRECT';
345: } else {
346: $ad='MISSING_ANSWER';
347: }
348: }
349: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
350: &Apache::response::handle_previous(\%previous,$ad);
351: } else {
352: #
353: # This is lenient mode
354: #
355: my $ad;
356: if ($wrong==0 && $right==0) {
357: #nothing submitted only assign a score if we
358: #need to override a previous grade
359: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
360: $ad='ASSIGNED_SCORE';
361: }
362: } else {
363: $ad='ASSIGNED_SCORE';
364: }
365: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
366: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
367: $right/(scalar(@whichopt));
368: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
369: scalar(@whichopt);
370: }
371: }
372: }
373: my $part_id = $Apache::inputtags::part;
374: my $response_id = $Apache::inputtags::response[-1];
375: my ($numrows,$bubbles_per_row);
376: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
377: ($numrows,$bubbles_per_row) =
378: &Apache::optionresponse::getnumrows(scalar(@opt));
379: }
380: if ($numrows < 1) {
381: $numrows = 1;
382: }
383: my $increment = &getfoilcounts($max) * $numrows;
384: &Apache::lonxml::increment_counter($increment,"$part_id.$response_id");
385: if ($target eq 'analyze') {
386: &Apache::lonhomework::set_bubble_lines();
387: }
388:
389: } elsif ($target eq 'edit') {
390: $result.=&Apache::edit::end_table();
391: }
392: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
393: if($env{'form.pdfFormFields'} ne 'yes') {
394: $result .= '\end{itemize}';
395: } else {
396: $result .= "\\\\";
397: }
398: }
399: &Apache::response::poprandomnumber();
400: return $result;
401: }
402:
403: sub grading_is_nonlenient {
404: my ($part) = @_;
405: # Web mode: we are non-lenient unless told otherwise
406: my $defaultparm = 'off';
407: my $nonlenient = 0;
408: # Grading a bubblesheet exam: we are grading lenient unless told otherwise
409: if ($Apache::lonhomework::scantronmode) {
410: $defaultparm = 'on';
411: $nonlenient = 1;
412: }
413: my $lenientparm =
414: &Apache::response::get_response_param($part,'lenient',$defaultparm);
415: if ($lenientparm=~/^0|off|no$/i) {
416: $nonlenient = 1;
417: } elsif ($lenientparm=~/^1|on|yes$/i) {
418: $nonlenient = 0;
419: }
420: return $nonlenient;
421: }
422:
423: sub getfoilcounts {
424: my ($max)=@_;
425: # +1 since instructors will count from 1
426: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
427: if (&Apache::response::showallfoils()) { $max=$count; }
428: if ($count>$max) { $count=$max }
429: &Apache::lonxml::debug("Count is $count from $max");
430: return $count;
431: }
432:
433: sub whichfoils {
434: my ($max,$randomize)=@_;
435: return &Apache::response::whichorder($max,$randomize,
436: &Apache::response::showallfoils(),
437: \%Apache::response::foilgroup);
438: }
439:
440: sub displayanswers {
441: my ($max,$randomize,@opt)=@_;
442: my @names;
443: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
444: @names = @{ $Apache::response::foilgroup{'names'} };
445: }
446: return if (!@names);
447: my @whichopt = &whichfoils($max,$randomize);
448: my $result;
449: if ($Apache::lonhomework::type eq 'exam') {
450: my $i = 0;
451: my %opt = map { ($_,$i++) } @opt;
452:
453: $i = 0;
454: my @alphabet = ('A'..'Z');
455: foreach my $name (@whichopt) {
456: $result.=&Apache::response::answer_header('optionresponse',$i++);
457: $result.=&Apache::response::answer_part('optionresponse',
458: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
459: $result.=&Apache::response::answer_part('optionresponse',
460: $Apache::response::foilgroup{$name.'.value'});
461: $result.=&Apache::response::answer_footer('optionresponse');
462: }
463: } else {
464: $result=&Apache::response::answer_header('optionresponse');
465: foreach my $name (@whichopt) {
466: $result.=&Apache::response::answer_part('optionresponse',
467: $Apache::response::foilgroup{$name.'.value'});
468: }
469: $result.=&Apache::response::answer_footer('optionresponse');
470: }
471: return $result;
472: }
473:
474: sub check_box_opt {
475: my ($target,$checkboxvalue,@opt)=@_;
476: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
477: # If so, return "checked" value
478: if ($#opt!=1) { return ''; }
479: if ($target ne 'web') { return ''; }
480: return $checkboxvalue;
481: }
482:
483: sub check_for_invalid {
484: my ($names,$options) = @_;
485: my %bad_names;
486: foreach my $name (@{ $names }) {
487: my $value=$Apache::response::foilgroup{$name.'.value'};
488: my $found=0;
489: foreach my $option (@{ $options }) {
490: if ($value eq $option) { $found=1; }
491: }
492: if (!$found) { $bad_names{$name}=$value; }
493: }
494: if (%bad_names) {
495: my $error=&mt('The question can not be gotten correct, '.
496: 'the following foils in the <optionresponse> '.
497: 'have invalid correct options').' <br /><tt>'.
498: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
499: "</tt>";
500: &Apache::lonxml::error($error);
501: }
502: }
503:
504: sub displayfoils {
505: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
506: $tex_option_switch, $no_tfprompt, @opt)=@_;
507: my @names;
508: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
509: @names = @{ $Apache::response::foilgroup{'names'} };
510: }
511: unless (@names > 0) { return;}
512: my @truelist;
513: my @falselist;
514: my $result;
515: my $name;
516: my $displayoptionintex=1;
517: my @alphabet = ('A'..'Z');
518: my @whichopt = &whichfoils($max,$randomize);
519: unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
520: &check_for_invalid(\@whichopt,\@opt);
521: }
522: my $part=$Apache::inputtags::part;
523: my $id=$Apache::inputtags::response[-1];
524: my $break;
525: if ( ($target ne 'tex') &&
526: &Apache::response::show_answer() ) {
527: my $temp=1;
528: foreach $name (@whichopt) {
529: my $text=$Apache::response::foilgroup{$name.'.text'};
530: my $lastresp;
531: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
532: (($env{'form.grade_username'} eq $env{'user.name'}) &&
533: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
534: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
535: } else {
536: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
537: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
538: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
539: }
540: }
541: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
542: my $lastopt=$lastresponse{$name};
543: if ($text!~/^\s*$/) { $break='<br />'; }
544: $result.=$break;
545: if ($target eq 'web') {
546: my $value=$Apache::response::foilgroup{$name.'.value'};
547: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
548: if ($text=~/^\s*$/) {
549: $text=$value.$text;
550: } else {
551: $text='<b>'.$value.':</b> '.$text;
552: }
553: } else {
554: if (@whichopt > 1) {
555: $text='•'.$text;
556: }
557: }
558: $result.=$text."\n";
559: }
560: if ($Apache::lonhomework::type eq 'exam') {
561: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
562: }
563: $temp++;
564: }
565: } else {
566: my $temp=1;
567: my %lastresponse;
568: my $newvariation;
569: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
570: ($Apache::lonhomework::type eq 'randomizetry')) &&
571: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
572: if ($env{'form.'.$part.'.rndseed'} ne
573: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
574: $newvariation = 1;
575: }
576: }
577: unless ($newvariation) {
578: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
579: (($env{'form.grade_username'} eq $env{'user.name'}) &&
580: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
581: %lastresponse =
582: &Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
583: } else {
584: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
585: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
586: %lastresponse =
587: &Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
588: }
589: }
590: }
591: my $internal_counter=$Apache::lonxml::counter;
592: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
593: if ($checkboxopt && (!$no_tfprompt)) {
594: $result.='<br />'.
595: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
596: &mt('Select all that are [_1].','<b>'.$checkboxopt.'</b>');
597: }
598: foreach $name (@whichopt) {
599: my $text=$Apache::response::foilgroup{$name.'.text'};
600: if ($text!~/^\s*$/) {
601: if ($target eq 'tex') {
602: $break='\vskip 0 mm ';
603: } elsif ($target eq 'web') {
604: $break='<br />';
605: }
606: }
607: my $lastopt=$lastresponse{$name};
608: my $optionlist="<option></option>\n";
609:
610: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
611: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
612: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
613: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
614: }
615:
616: foreach my $option (@opt) {
617: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
618: if ($option eq $lastopt) {
619: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
620: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
621: && $Apache::lonhomework::type ne 'exam') {
622: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
623: } else {
624: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
625: }
626: } else {
627: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
628: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
629: && $Apache::lonhomework::type ne 'exam') {
630: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
631: } else {
632: $optionlist.="<option value='".$escopt."'>$option</option>\n";
633: }
634: }
635: }
636: if ($target ne 'tex') {
637: if ($Apache::lonhomework::type ne 'exam') {
638: # we are on the web, this is not an exam, and the problem can be answered
639: if ($checkboxopt) {
640: # generate checkboxes
641: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
642: my $altopt=$opt[0];
643: if ($opt[0] eq $checkboxopt) {
644: $altopt=$opt[1];
645: }
646: my $defopt=$lastopt;
647: unless ($defopt) { $defopt=$altopt; }
648: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
649: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
650: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
651: # checkboxopt is how the box is labelled
652: # altopt is the alternative option
653: # lastopt is what the user submitted before
654: # defopt is what the field is going to start out with: either previous choice or altopt
655: # fieldname is this input field's name after HWVAL_
656: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
657: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
658: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
659: } else {
660: # classic selection list
661: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
662: $part.'\');" name="HWVAL_'.
663: $Apache::inputtags::response['-1'].':'.$temp.'">'.
664: $optionlist."</select>\n";
665: }
666: } else {
667: $optionlist='<u>'.(' 'x10).'</u>';
668: }
669: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
670: if ($Apache::lonhomework::type ne 'exam') {
671: if (@whichopt > 1) {
672: $text='•'.$text;
673: }
674: }
675: } else {
676: if ($Apache::lonhomework::type ne 'exam') {
677: $text=$optionlist.$text;
678: }
679: }
680: $result.=$break.$text."\n";
681: if ($Apache::lonhomework::type eq 'exam') {
682: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
683: }
684: $temp++;
685: } else {
686: my $texoptionlist='';
687: if ($displayoptionintex &&
688: $Apache::lonhomework::type ne 'exam') {
689: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
690: }
691: if ($text=~/<drawoptionlist\s*\/>/) {
692: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
693: }
694:
695: if ($text=~m/\\item /) {
696: if ($Apache::lonhomework::type eq 'exam') {
697: $text=~s/\\item/\\vskip 2 mm/;
698: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
699: $result.= $texoptionlist.$text;
700: }
701: } else {
702: if ($Apache::lonhomework::type eq 'exam') {
703: $result.= $texoptionlist.' '.$text;
704: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
705: if ($text=~/\S/) {
706: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
707: } else {
708: $result.= $texoptionlist;
709: }
710: }
711: }
712: if ($Apache::lonhomework::type eq 'exam') {
713: $result.='\vskip -1 mm\noindent';
714: my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt));
715: if ($numrows == 1) {
716: $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm';
717: } else {
718: my $linetext;
719: for (my $i=0; $i<$numrows; $i++) {
720: $linetext .= $internal_counter+$i.', ';
721: }
722: $linetext =~ s/,\s$//;
723: $result .= '\small {\textbf{'.$linetext.'}} '.
724: '\hskip 2 mm {\footnotesize '.
725: &mt('(Bubble once in [_1] lines)',$numrows).
726: '} \vskip 1 mm';
727: }
728: $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows,
729: $bubbles_per_row,$internal_counter).
730: ' \strut ';
731: $internal_counter += $numrows;
732: }
733: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
734: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
735: && $Apache::lonhomework::type ne 'exam') {
736: $text =~ s/\\item//m;
737: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
738: $temp++;
739: }
740: $displayoptionintex=0;
741: }
742: }
743: }
744:
745: if ($target eq 'web') {
746: my $data = [\@whichopt,'submissiongrading'];
747: my $questiontype;
748: if ($Apache::lonhomework::type eq 'randomizetry') {
749: $questiontype = $Apache::lonhomework::type,
750: }
751: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
752: }
753:
754: if ($target ne 'tex') {
755: return $result.$break;
756: } else {
757: return $result;
758: }
759: }
760:
761:
762: sub optionlist_correction {
763: my ($TeXlayout,@options) = @_;
764: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
765: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
766: if (scalar(@options) > 0) {
767: foreach my $option (@options) {
768: $texoptionlist.='{\bf '.
769: &Apache::lonxml::latex_special_symbols($option).
770: '}';
771: if ($TeXlayout eq 'vertical') {
772: $texoptionlist.=' \vskip 0 mm ',
773: } else {
774: $texoptionlist.=', ';
775: }
776: }
777: $texoptionlist=~s/, $//;
778: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
779: } else {
780: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
781: }
782: return $texoptionlist;
783: }
784:
785:
786: sub webbubbles {
787: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
788: my @opt=@$ropt;
789: my @alphabet=@$ralphabet;
790: my $result='';
791: my $number_of_bubbles = $#opt + 1;
792: $result.= '<table border="1"><tr>';
793: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
794: my $checked='';
795: if ($lastopt eq $opt[$ind]) {
796: $checked=' checked="on" ';
797: }
798: $result.='<td><input type="radio" name="HWVAL_'.
799: $Apache::inputtags::response['-1'].':'.$temp.
800: '" value="'.$opt[$ind].'" '.$checked.' />';
801: if ($alphabet[$ind]) {
802: $result.=$alphabet[$ind].': ';
803: }
804: $result.=$opt[$ind].'</td>';
805: }
806: $result.='</tr></table>';
807: return $result;
808: }
809:
810:
811: sub bubbles {
812: my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row,
813: $internal_counter) = @_;
814: my @alphabet = @$ralphabet;
815: my @opt = @$ropt;
816: my ($result,$head,$line) =('','','');
817: my $number_of_bubbles = $#opt + 1;
818: my $current_length = 0;
819: my $textwidth;
820: if (defined($max_width)) {
821: $textwidth=$max_width;
822: &Apache::lonxml::debug("Max width passed in: $max_width");
823: } elsif ($env{'form.textwidth'} ne '') {
824: $env{'form.textwidth'}=~/(\d+)/;
825: $textwidth=$1;
826: &Apache::lonxml::debug("Max width from form: $textwidth");
827: } else {
828: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
829: $textwidth=$1.'.'.$2;
830: &Apache::lonxml::debug("Max width defaults? $textwidth");
831: }
832: &Apache::lonxml::debug("Final maxwidth: $textwidth");
833: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
834: my $item;
835: if ($numrows > 1) {
836: my $num = $internal_counter+int($ind/$bubbles_per_row);
837: my $idx = int($ind % $bubbles_per_row);
838: $item = $num.$alphabet[$idx];
839: } else {
840: $item = $alphabet[$ind];
841: }
842: my $leftmargin;
843: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
844: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
845: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
846:
847: $current_length += (length($opt[$ind])+length($item)+5)*2;
848:
849: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
850:
851: $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
852: $head.='lr';
853: } else {
854: $line=~s/\&\s*$//;
855: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
856: $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
857: $head ='lr';
858: $current_length = (length($opt[$ind])+length($item))*2;
859: }
860:
861: }
862: return $result;
863: }
864:
865: sub start_conceptgroup {
866: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
867: $Apache::optionresponse::conceptgroup=1;
868: %Apache::response::conceptgroup=();
869: my $result;
870: if ($target eq 'edit') {
871: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
872: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
873: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
874: }
875: if ($target eq 'modified') {
876: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
877: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
878: }
879: return $result;
880: }
881:
882: sub end_conceptgroup {
883: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
884: $Apache::optionresponse::conceptgroup=0;
885: my $result='';
886: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
887: $target eq 'tex' || $target eq 'analyze') {
888: #if not there aren't any foils to display and thus no question
889: &Apache::response::pick_foil_for_concept($target,
890: ['value','text','location'],
891: \%Apache::hint::option,
892: $parstack,$safeeval);
893: } elsif ($target eq 'edit') {
894: $result=&Apache::edit::end_table();
895: }
896: return $result;
897: }
898:
899: sub insert_conceptgroup {
900: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
901: return $result;
902: }
903:
904: sub start_foil {
905: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
906: my $result='';
907: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
908: &Apache::lonxml::startredirection;
909: if ($target eq 'analyze') {
910: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
911: }
912: } elsif ($target eq 'edit') {
913: $result=&Apache::edit::tag_start($target,$token,"Foil");
914: my $level='-2';
915: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
916: my @opt;
917: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
918: $result.=&Apache::edit::text_arg('Name:','name',$token);
919: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
920: ['unused',(@opt)],$token,'15');
921: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
922: $safeeval,'-3');
923: if ($randomize ne 'no') {
924: $result.=&Apache::edit::select_arg('Location:','location',
925: ['random','top','bottom'],$token);
926: }
927: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
928: } elsif ($target eq 'modified') {
929: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
930: 'value','name','location');
931: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
932: }
933: return $result;
934: }
935:
936: sub end_foil {
937: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
938: my $text ='';
939: my $result = '';
940: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
941: $text=&Apache::lonxml::endredirection;
942: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
943: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
944: }
945: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
946: || $target eq 'tex' || $target eq 'analyze') {
947: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
948: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
949: $text='\vskip 5mm $\triangleright$ '.$text;
950: }
951: if ($value ne 'unused') {
952: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
953: &Apache::lonxml::debug("Got a name of :$name:");
954: if ($name eq "") {
955: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
956: $name=$Apache::lonxml::curdepth;
957: }
958: &Apache::lonxml::debug("Using a name of :$name:");
959: if (defined($Apache::response::foilnames{$name})) {
960: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
961: }
962: $Apache::response::foilnames{$name}++;
963: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
964: if ( $Apache::optionresponse::conceptgroup
965: && !&Apache::response::showallfoils() ) {
966: push @{ $Apache::response::conceptgroup{'names'} }, $name;
967: $Apache::response::conceptgroup{"$name.value"} = $value;
968: $Apache::response::conceptgroup{"$name.text"} = $text;
969: $Apache::response::conceptgroup{"$name.location"} = $location;
970: } else {
971: push @{ $Apache::response::foilgroup{'names'} }, $name;
972: $Apache::response::foilgroup{"$name.value"} = $value;
973: $Apache::response::foilgroup{"$name.text"} = $text;
974: $Apache::response::foilgroup{"$name.location"} = $location;
975: }
976: }
977: }
978: if ($target eq 'edit') {
979: $result.= &Apache::edit::tag_end($target,$token,'');
980: }
981: return $result;
982: }
983:
984: sub start_drawoptionlist {
985: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
986: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
987: return $token->[4];
988: }
989: }
990:
991: sub end_drawoptionlist {
992: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
993: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
994: return $token->[2];
995: }
996: }
997:
998: sub insert_foil {
999: return '
1000: <foil name="" value="unused">
1001: <startouttext />
1002: <endouttext />
1003: </foil>';
1004: }
1005:
1006: sub insert_drawoptionlist {
1007: return '<drawoptionlist />';
1008: }
1009:
1010: sub getnumrows {
1011: my ($numitems) = @_;
1012: my $bubbles_per_row;
1013: my $default_numbubbles = 10;
1014: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
1015: ($env{'form.bubbles_per_row'} > 0)) {
1016: $bubbles_per_row = $env{'form.bubbles_per_row'};
1017: } else {
1018: $bubbles_per_row = $default_numbubbles;
1019: }
1020: my $numrows = int ($numitems/$bubbles_per_row);
1021: if (($numitems % $bubbles_per_row) != 0) {
1022: $numrows ++;
1023: }
1024: return ($numrows,$bubbles_per_row);
1025: }
1026:
1027: 1;
1028: __END__
1029:
1030: =head1 NAME
1031:
1032: Apache::optionresponse.pm;
1033:
1034: =head1 SYNOPSIS
1035:
1036: Handles tags associated with showing a list of
1037: options.
1038:
1039: This is part of the LearningOnline Network with CAPA project
1040: described at http://www.lon-capa.org.
1041:
1042: =head1 HANDLER SUBROUTINE
1043:
1044: start_optionresponse()
1045:
1046: =head1 OTHER SUBROUTINES
1047:
1048: =over
1049:
1050: =item end_optionresponse()
1051:
1052: =item start_foilgroup()
1053:
1054: =item end_foilgroup()
1055:
1056: =item getfoilcounts()
1057:
1058: =item displayanswers()
1059:
1060: =item check_for_invalid()
1061:
1062: =item displayfoils()
1063:
1064: =item optionlist_correction()
1065:
1066: =item webbubbles()
1067:
1068: =item bubbles()
1069:
1070: =item start_conceptgroup()
1071:
1072: =item end_conceptgroup()
1073:
1074: =item insert_conceptgroup()
1075:
1076: =item start_foil()
1077:
1078: =item end_foil()
1079:
1080: =item start_drawoptionlist()
1081:
1082: =item end_drawoptionlist()
1083:
1084: =item insert_foil()
1085:
1086: =item insert_drawoptionlist()
1087:
1088: =back
1089:
1090: =cut
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