1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.174 2011/03/03 21:05:35 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: my $nonlenient=0;
229: my $part=$Apache::inputtags::part;
230: my $lenientparm=&Apache::lonnet::EXT("resource.$part.lenient");
231:
232: &Apache::lonnet::logthis("Parameter ".$part." ".$lenientparm);
233:
234: if ($Apache::lonhomework::scantronmode) {
235: $nonlenient=0;
236: # Grading an exam: we are grading lenient unless told not to
237: if ($lenientparm=~/^0|off|no$/i) {
238: $nonlenient=1;
239: }
240: } else {
241: # Web mode: we are non-lenient unless told to
242: $nonlenient=1;
243: if ($lenientparm=~/^1|on|yes$/i) {
244: $nonlenient=0;
245: }
246: }
247: &Apache::lonnet::logthis("Non-Lenient set to ".$nonlenient);
248: if ( &Apache::response::submitted()) {
249: my @whichopt = &whichfoils($max,$randomize);
250: my $temp=1;my $name;
251: my %responsehash;
252: my %grade;
253: my $right=0;
254: my $wrong=0;
255: my $ignored=0;
256: foreach $name (@whichopt) {
257: my $response=&Apache::response::getresponse($temp);
258: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
259: $response = $opt[$response];
260: }
261: if ( $response =~ /[^\s]/) {
262: $responsehash{$name}=$response;
263: my $value=$Apache::response::foilgroup{$name.'.value'};
264: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
265: if ($value eq $response) {
266: $grade{$name}='1'; $right++;
267: } else {
268: $grade{$name}='0'; $wrong++;
269: }
270: } else {
271: $ignored++;
272: }
273: $temp++;
274: }
275: my $part=$Apache::inputtags::part;
276: my $id = $Apache::inputtags::response['-1'];
277: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
278: my $gradestr =&Apache::lonnet::hash2str(%grade);
279: my %previous=&Apache::response::check_for_previous($responsestr,
280: $part,$id);
281: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
282: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
283: $responsestr;
284: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
285: if ($Apache::lonhomework::type eq 'randomizetry') {
286: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
287: }
288: if (($Apache::lonhomework::type eq 'survey') ||
289: ($Apache::lonhomework::type eq 'surveycred') ||
290: ($Apache::lonhomework::type eq 'anonsurvey') ||
291: ($Apache::lonhomework::type eq 'anonsurveycred')) {
292: if ($ignored == 0) {
293: my $ad;
294: if ($Apache::lonhomework::type eq 'anonsurveycred') {
295: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
296: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
297: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
298: } elsif ($Apache::lonhomework::type eq 'surveycred') {
299: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
300: } else {
301: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
302: }
303: &Apache::response::handle_previous(\%previous,$ad);
304: } elsif ($wrong==0 && $right==0) {
305: } else {
306: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
307: &Apache::response::handle_previous(\%previous,$ad);
308: }
309: } elsif ($nonlenient) {
310: #
311: # Non-lenient mode. All right or all wrong
312: #
313: &Apache::lonnet::logthis("In non-lenient");
314: my $ad;
315: if ($wrong==0 && $ignored==0) {
316: $ad='EXACT_ANS';
317: } elsif ($wrong==0 && $right==0) {
318: #nothing submitted
319: } else {
320: if ($ignored==0) {
321: $ad='INCORRECT';
322: } else {
323: $ad='MISSING_ANSWER';
324: }
325: }
326: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
327: &Apache::response::handle_previous(\%previous,$ad);
328: } else {
329: #
330: # This is lenient mode
331: #
332: &Apache::lonnet::logthis("This is in lenient mode ... nice");
333: my $ad;
334: if ($wrong==0 && $right==0) {
335: #nothing submitted only assign a score if we
336: #need to override a previous grade
337: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
338: $ad='ASSIGNED_SCORE';
339: }
340: } else {
341: $ad='ASSIGNED_SCORE';
342: }
343: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
344: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
345: $right/(scalar(@whichopt));
346: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
347: scalar(@whichopt);
348: }
349: }
350: }
351: my $part_id = $Apache::inputtags::part;
352: my $response_id = $Apache::inputtags::response[-1];
353: &Apache::lonxml::increment_counter(&getfoilcounts($max),
354: "$part_id.$response_id");
355: if ($target eq 'analyze') {
356: &Apache::lonhomework::set_bubble_lines();
357: }
358:
359: } elsif ($target eq 'edit') {
360: $result.=&Apache::edit::end_table();
361: }
362: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
363: if($env{'form.pdfFormFields'} ne 'yes') {
364: $result .= '\end{itemize}';
365: } else {
366: $result .= "\\\\";
367: }
368: }
369: &Apache::response::poprandomnumber();
370: return $result;
371: }
372:
373: sub getfoilcounts {
374: my ($max)=@_;
375: # +1 since instructors will count from 1
376: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
377: if (&Apache::response::showallfoils()) { $max=$count; }
378: if ($count>$max) { $count=$max }
379: &Apache::lonxml::debug("Count is $count from $max");
380: return $count;
381: }
382:
383: sub whichfoils {
384: my ($max,$randomize)=@_;
385: return &Apache::response::whichorder($max,$randomize,
386: &Apache::response::showallfoils(),
387: \%Apache::response::foilgroup);
388: }
389:
390: sub displayanswers {
391: my ($max,$randomize,@opt)=@_;
392: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
393: my @names = @{ $Apache::response::foilgroup{'names'} };
394: my @whichopt = &whichfoils($max,$randomize);
395: my $result;
396: if ($Apache::lonhomework::type eq 'exam') {
397: my $i = 0;
398: my %opt = map { ($_,$i++) } @opt;
399:
400: $i = 0;
401: my @alphabet = ('A'..'Z');
402: foreach my $name (@whichopt) {
403: $result.=&Apache::response::answer_header('optionresponse',$i++);
404: $result.=&Apache::response::answer_part('optionresponse',
405: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
406: $result.=&Apache::response::answer_part('optionresponse',
407: $Apache::response::foilgroup{$name.'.value'});
408: $result.=&Apache::response::answer_footer('optionresponse');
409: }
410: } else {
411: $result=&Apache::response::answer_header('optionresponse');
412: foreach my $name (@whichopt) {
413: $result.=&Apache::response::answer_part('optionresponse',
414: $Apache::response::foilgroup{$name.'.value'});
415: }
416: $result.=&Apache::response::answer_footer('optionresponse');
417: }
418: return $result;
419: }
420:
421: sub check_box_opt {
422: my ($target,$checkboxvalue,@opt)=@_;
423: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
424: # If so, return "checked" value
425: if ($#opt!=1) { return ''; }
426: if ($target ne 'web') { return ''; }
427: return $checkboxvalue;
428: }
429:
430: sub check_for_invalid {
431: my ($names,$options) = @_;
432: my %bad_names;
433: foreach my $name (@{ $names }) {
434: my $value=$Apache::response::foilgroup{$name.'.value'};
435: my $found=0;
436: foreach my $option (@{ $options }) {
437: if ($value eq $option) { $found=1; }
438: }
439: if (!$found) { $bad_names{$name}=$value; }
440: }
441: if (%bad_names) {
442: my $error=&mt('The question can not be gotten correct, '.
443: 'the following foils in the <optionresponse> '.
444: 'have invalid correct options').' <br /><tt>'.
445: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
446: "</tt>";
447: &Apache::lonxml::error($error);
448: }
449: }
450:
451: sub displayfoils {
452: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt)=@_;
453: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
454: my @names = @{ $Apache::response::foilgroup{'names'} };
455: my @truelist;
456: my @falselist;
457: my $result;
458: my $name;
459: my $displayoptionintex=1;
460: my @alphabet = ('A'..'Z');
461: my @whichopt = &whichfoils($max,$randomize);
462: &check_for_invalid(\@whichopt,\@opt);
463: my $part=$Apache::inputtags::part;
464: my $id=$Apache::inputtags::response[-1];
465: my $break;
466: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
467: if ( ($target ne 'tex') &&
468: &Apache::response::show_answer() ) {
469: my $temp=1;
470: foreach $name (@whichopt) {
471: my $text=$Apache::response::foilgroup{$name.'.text'};
472: my $lastresp;
473: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
474: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
475: }
476: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
477: my $lastopt=$lastresponse{$name};
478: if ($text!~/^\s*$/) { $break='<br />'; }
479: $result.=$break;
480: if ($target eq 'web') {
481: my $value=$Apache::response::foilgroup{$name.'.value'};
482: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
483: if ($text=~/^\s*$/) {
484: $text=$value.$text;
485: } else {
486: $text='<b>'.$value.':</b> '.$text;
487: }
488: } else {
489: if (@whichopt > 1) {
490: $text='•'.$text;
491: }
492: }
493: $result.=$text."\n";
494: }
495: if ($Apache::lonhomework::type eq 'exam') {
496: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
497: }
498: $temp++;
499: }
500: } else {
501: my $temp=1;
502: my %lastresponse;
503: my $newvariation;
504: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
505: ($Apache::lonhomework::type eq 'randomizetry')) &&
506: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
507: if ($env{'form.'.$part.'.rndseed'} ne
508: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
509: $newvariation = 1;
510: }
511: }
512: unless ($newvariation) {
513: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
514: }
515: my $internal_counter=$Apache::lonxml::counter;
516: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
517: if ($checkboxopt) {
518: $result.='<br />'.
519: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
520: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
521: }
522: foreach $name (@whichopt) {
523: my $text=$Apache::response::foilgroup{$name.'.text'};
524: if ($text!~/^\s*$/) {
525: if ($target eq 'tex') {
526: $break='\vskip 0 mm ';
527: } elsif ($target eq 'web') {
528: $break='<br />';
529: }
530: }
531: my $lastopt=$lastresponse{$name};
532: my $optionlist="<option></option>\n";
533:
534: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
535: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
536: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
537: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
538: }
539:
540: foreach my $option (@opt) {
541: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
542: if ($option eq $lastopt) {
543: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
544: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
545: && $Apache::lonhomework::type ne 'exam') {
546: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
547: } else {
548: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
549: }
550: } else {
551: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
552: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
553: && $Apache::lonhomework::type ne 'exam') {
554: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
555: } else {
556: $optionlist.="<option value='".$escopt."'>$option</option>\n";
557: }
558: }
559: }
560: if ($target ne 'tex') {
561: if ($Apache::lonhomework::type ne 'exam') {
562: # we are on the web, this is not an exam, and the problem can be answered
563: if ($checkboxopt) {
564: # generate checkboxes
565: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
566: my $altopt=$opt[0];
567: if ($opt[0] eq $checkboxopt) {
568: $altopt=$opt[1];
569: }
570: my $defopt=$lastopt;
571: unless ($defopt) { $defopt=$altopt; }
572: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
573: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
574: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
575: # checkboxopt is how the box is labelled
576: # altopt is the alternative option
577: # lastopt is what the user submitted before
578: # defopt is what the field is going to start out with: either previous choice or altopt
579: # fieldname is this input field's name after HWVAL_
580: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
581: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
582: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
583: } else {
584: # classic selection list
585: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
586: $part.'\');" name="HWVAL_'.
587: $Apache::inputtags::response['-1'].':'.$temp.'">'.
588: $optionlist."</select>\n";
589: }
590: } else {
591: $optionlist='<u>'.(' 'x10).'</u>';
592: }
593: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
594: if ($Apache::lonhomework::type ne 'exam') {
595: if (@whichopt > 1) {
596: $text='•'.$text;
597: }
598: }
599: } else {
600: if ($Apache::lonhomework::type ne 'exam') {
601: $text=$optionlist.$text;
602: }
603: }
604: $result.=$break.$text."\n";
605: if ($Apache::lonhomework::type eq 'exam') {
606: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
607: }
608: $temp++;
609: } else {
610: my $texoptionlist='';
611: if ($displayoptionintex &&
612: $Apache::lonhomework::type ne 'exam') {
613: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
614: }
615: if ($text=~/<drawoptionlist\s*\/>/) {
616: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
617: }
618:
619: if ($text=~m/\\item /) {
620: if ($Apache::lonhomework::type eq 'exam') {
621: $text=~s/\\item/\\vskip 2 mm/;
622: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
623: $result.= $texoptionlist.$text;
624: }
625: } else {
626: if ($Apache::lonhomework::type eq 'exam') {
627: $result.= $texoptionlist.' '.$text;
628: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
629: if ($text=~/\S/) {
630: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
631: } else {
632: $result.= $texoptionlist;
633: }
634: }
635: }
636: if ($Apache::lonhomework::type eq 'exam') {
637: $result.='\vskip -1 mm\noindent';
638: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
639: ' \strut ';
640: $internal_counter++;
641: }
642: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
643: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
644: && $Apache::lonhomework::type ne 'exam') {
645: $text =~ s/\\item//m;
646: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
647: $temp++;
648: }
649: $displayoptionintex=0;
650: }
651: }
652: }
653:
654: if ($target eq 'web') {
655: my $data = [\@whichopt,'submissiongrading'];
656: my $questiontype;
657: if ($Apache::lonhomework::type eq 'randomizetry') {
658: $questiontype = $Apache::lonhomework::type,
659: }
660: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
661: }
662:
663: if ($target ne 'tex') {
664: return $result.$break;
665: } else {
666: return $result;
667: }
668: }
669:
670:
671: sub optionlist_correction {
672: my ($TeXlayout,@options) = @_;
673: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
674: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
675: if (scalar(@options) > 0) {
676: foreach my $option (@options) {
677: $texoptionlist.='{\bf '.
678: &Apache::lonxml::latex_special_symbols($option).
679: '}';
680: if ($TeXlayout eq 'vertical') {
681: $texoptionlist.=' \vskip 0 mm ',
682: } else {
683: $texoptionlist.=', ';
684: }
685: }
686: $texoptionlist=~s/, $//;
687: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
688: } else {
689: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
690: }
691: return $texoptionlist;
692: }
693:
694:
695: sub webbubbles {
696: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
697: my @opt=@$ropt;
698: my @alphabet=@$ralphabet;
699: my $result='';
700: my $number_of_bubbles = $#opt + 1;
701: $result.= '<table border="1"><tr>';
702: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
703: my $checked='';
704: if ($lastopt eq $opt[$ind]) {
705: $checked=' checked="on" ';
706: }
707: $result.='<td><input type="radio" name="HWVAL_'.
708: $Apache::inputtags::response['-1'].':'.$temp.
709: '" value="'.$opt[$ind].'" '.$checked.' />';
710: if ($alphabet[$ind]) {
711: $result.=$alphabet[$ind].': ';
712: }
713: $result.=$opt[$ind].'</td>';
714: }
715: $result.='</tr></table>';
716: return $result;
717: }
718:
719:
720: sub bubbles {
721: my ($ralphabet,$ropt,$response, $max_width) = @_;
722: my @alphabet = @$ralphabet;
723: my @opt = @$ropt;
724: my ($result,$head,$line) =('','','');
725: my $number_of_bubbles = $#opt + 1;
726: my $current_length = 0;
727: my $textwidth;
728: if (defined($max_width)) {
729: $textwidth=$max_width;
730: &Apache::lonxml::debug("Max width passed in: $max_width");
731: } elsif ($env{'form.textwidth'} ne '') {
732: $env{'form.textwidth'}=~/(\d+)/;
733: $textwidth=$1;
734: &Apache::lonxml::debug("Max width from form: $textwidth");
735: } else {
736: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
737: $textwidth=$1.'.'.$2;
738: &Apache::lonxml::debug("Max width defaults? $textwidth");
739: }
740: &Apache::lonxml::debug("Final maxwidth: $textwidth");
741: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
742: my $leftmargin;
743: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
744: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
745: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
746:
747: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
748: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
749: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
750: $head.='lr';
751: } else {
752: $line=~s/\&\s*$//;
753: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
754: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
755: $head ='lr';
756: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
757: }
758:
759: }
760: return $result;
761: }
762:
763:
764: sub start_conceptgroup {
765: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
766: $Apache::optionresponse::conceptgroup=1;
767: %Apache::response::conceptgroup=();
768: my $result;
769: if ($target eq 'edit') {
770: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
771: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
772: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
773: }
774: if ($target eq 'modified') {
775: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
776: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
777: }
778: return $result;
779: }
780:
781: sub end_conceptgroup {
782: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
783: $Apache::optionresponse::conceptgroup=0;
784: my $result='';
785: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
786: $target eq 'tex' || $target eq 'analyze') {
787: #if not there aren't any foils to display and thus no question
788: &Apache::response::pick_foil_for_concept($target,
789: ['value','text','location'],
790: \%Apache::hint::option,
791: $parstack,$safeeval);
792: } elsif ($target eq 'edit') {
793: $result=&Apache::edit::end_table();
794: }
795: return $result;
796: }
797:
798: sub insert_conceptgroup {
799: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
800: return $result;
801: }
802:
803: sub start_foil {
804: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
805: my $result='';
806: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
807: &Apache::lonxml::startredirection;
808: if ($target eq 'analyze') {
809: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
810: }
811: } elsif ($target eq 'edit') {
812: $result=&Apache::edit::tag_start($target,$token,"Foil");
813: my $level='-2';
814: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
815: my @opt;
816: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
817: $result.=&Apache::edit::text_arg('Name:','name',$token);
818: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
819: ['unused',(@opt)],$token,'15');
820: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
821: $safeeval,'-3');
822: if ($randomize ne 'no') {
823: $result.=&Apache::edit::select_arg('Location:','location',
824: ['random','top','bottom'],$token);
825: }
826: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
827: } elsif ($target eq 'modified') {
828: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
829: 'value','name','location');
830: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
831: }
832: return $result;
833: }
834:
835: sub end_foil {
836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
837: my $text ='';
838: my $result = '';
839: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
840: $text=&Apache::lonxml::endredirection;
841: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
842: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
843: }
844: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
845: || $target eq 'tex' || $target eq 'analyze') {
846: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
847: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
848: $text='\vskip 5mm $\triangleright$ '.$text;
849: }
850: if ($value ne 'unused') {
851: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
852: &Apache::lonxml::debug("Got a name of :$name:");
853: if ($name eq "") {
854: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
855: $name=$Apache::lonxml::curdepth;
856: }
857: &Apache::lonxml::debug("Using a name of :$name:");
858: if (defined($Apache::response::foilnames{$name})) {
859: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
860: }
861: $Apache::response::foilnames{$name}++;
862: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
863: if ( $Apache::optionresponse::conceptgroup
864: && !&Apache::response::showallfoils() ) {
865: push @{ $Apache::response::conceptgroup{'names'} }, $name;
866: $Apache::response::conceptgroup{"$name.value"} = $value;
867: $Apache::response::conceptgroup{"$name.text"} = $text;
868: $Apache::response::conceptgroup{"$name.location"} = $location;
869: } else {
870: push @{ $Apache::response::foilgroup{'names'} }, $name;
871: $Apache::response::foilgroup{"$name.value"} = $value;
872: $Apache::response::foilgroup{"$name.text"} = $text;
873: $Apache::response::foilgroup{"$name.location"} = $location;
874: }
875: }
876: }
877: if ($target eq 'edit') {
878: $result.= &Apache::edit::tag_end($target,$token,'');
879: }
880: return $result;
881: }
882:
883: sub start_drawoptionlist {
884: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
885: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
886: return $token->[4];
887: }
888: }
889:
890: sub end_drawoptionlist {
891: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
892: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
893: return $token->[2];
894: }
895: }
896:
897: sub insert_foil {
898: return '
899: <foil name="" value="unused">
900: <startouttext />
901: <endouttext />
902: </foil>';
903: }
904:
905: sub insert_drawoptionlist {
906: return '<drawoptionlist />';
907: }
908: 1;
909: __END__
910:
911: =head1 NAME
912:
913: Apache::optionresponse.pm;
914:
915: =head1 SYNOPSIS
916:
917: Handles tags associated with showing a list of
918: options.
919:
920: This is part of the LearningOnline Network with CAPA project
921: described at http://www.lon-capa.org.
922:
923: =head1 HANDLER SUBROUTINE
924:
925: start_optionresponse()
926:
927: =head1 OTHER SUBROUTINES
928:
929: =over
930:
931: =item end_optionresponse()
932:
933: =item start_foilgroup()
934:
935: =item end_foilgroup()
936:
937: =item getfoilcounts()
938:
939: =item displayanswers()
940:
941: =item check_for_invalid()
942:
943: =item displayfoils()
944:
945: =item optionlist_correction()
946:
947: =item webbubbles()
948:
949: =item bubbles()
950:
951: =item start_conceptgroup()
952:
953: =item end_conceptgroup()
954:
955: =item insert_conceptgroup()
956:
957: =item start_foil()
958:
959: =item end_foil()
960:
961: =item start_drawoptionlist()
962:
963: =item end_drawoptionlist()
964:
965: =item insert_foil()
966:
967: =item insert_drawoptionlist()
968:
969: =back
970:
971: =cut
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