1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.178 2011/09/16 02:27:59 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"}) {
159: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
160: if ($options[0]) {
161: push(@options,$newopt);
162: } else {
163: $options[0]=$newopt;
164: }
165: $optchanged=1;
166: }
167: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
168: 'texoptions','checkboxvalue','checkboxoptions');
169: if ($optchanged || $rebuildtag ) {
170: $result = "<foilgroup options=\"(";
171: foreach my $option (@options) {
172: $option=~s/\'/\\\'/g;
173: &Apache::lonxml::debug("adding option :$option:");
174: $result .="'".$option."',";
175: }
176: chop $result;
177: $result.=')" ';
178: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
179: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
180: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
181: $result .= '>';
182: } # else nothing changed so just use the default mechanism
183: }
184: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
185: if($env{'form.pdfFormFields'} ne 'yes') {
186: $result .= ' \begin{itemize} ';
187: } else {
188: $result .= "\\\\";
189: }
190: }
191: return $result;
192: }
193:
194: sub end_foilgroup {
195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
196:
197: my $result;
198: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
199: $target eq 'tex' || $target eq 'analyze') {
200: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
201: my $name;
202: my @opt;
203: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
204: &Apache::lonxml::debug("options:".join(':',@opt));
205:
206: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
207: -2,0);
208: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
209: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
210: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
211: &Apache::lonxml::debug("Options are $#opt");
212: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
213: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
214: $safeeval,'-2');
215: if ($target eq 'web' || $target eq 'tex') {
216: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt);
217: $Apache::lonxml::post_evaluate=0;
218: } elsif ( $target eq 'answer') {
219: $result.=&displayanswers($max,$randomize,@opt);
220:
221: } elsif ( $target eq 'analyze') {
222: my @shown = &whichfoils($max,$randomize);
223: &Apache::response::analyze_store_foilgroup(\@shown,
224: ['text','value','location']);
225: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
226: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
227: } elsif ( $target eq 'grade') {
228:
229: my $nonlenient=0;
230: my $part=$Apache::inputtags::part;
231: my $lenientparm=&Apache::lonnet::EXT("resource.$part.lenient");
232:
233: if ($Apache::lonhomework::scantronmode) {
234: $nonlenient=0;
235: # Grading an exam: we are grading lenient unless told not to
236: if ($lenientparm=~/^0|off|no$/i) {
237: $nonlenient=1;
238: }
239: } else {
240: # Web mode: we are non-lenient unless told to
241: $nonlenient=1;
242: if ($lenientparm=~/^1|on|yes$/i) {
243: $nonlenient=0;
244: }
245: }
246: if ( &Apache::response::submitted()) {
247:
248: my @whichopt = &whichfoils($max,$randomize);
249: my $temp=1;my $name;
250: my %responsehash;
251: my %grade;
252: my $right=0;
253: my $wrong=0;
254: my $ignored=0;
255: my ($numrows,$bubbles_per_row);
256: if ($Apache::lonhomework::scantronmode) {
257: my $numitems = scalar(@opt);
258: ($numrows,$bubbles_per_row) =
259: &Apache::optionresponse::getnumrows($numitems);
260: }
261: if ($numrows < 1) {
262: $numrows = 1;
263: }
264: foreach $name (@whichopt) {
265: my $response;
266: if ($env{'form.submitted'} eq 'scantron') {
267: if ($numrows > 1) {
268: my $num = $temp;
269: my $totalnum;
270: for (my $i=0; $i<$numrows; $i++) {
271: my $item = &Apache::response::getresponse($num);
272: if ($item =~ /^\d+$/) {
273: $totalnum = $i*$bubbles_per_row + $item;
274: }
275: $num ++;
276: }
277: if ($totalnum =~ /^\d+$/) {
278: $response = $opt[$totalnum];
279: }
280: $temp += $numrows;
281: } else {
282: $response=&Apache::response::getresponse($temp);
283: if ($response=~/\S/) {
284: $response = $opt[$response];
285: }
286: $temp ++;
287: }
288: } else {
289: $response=&Apache::response::getresponse($temp);
290: $temp ++;
291: }
292: if ( $response =~ /[^\s]/) {
293: $responsehash{$name}=$response;
294: my $value=$Apache::response::foilgroup{$name.'.value'};
295: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
296: if ($value eq $response) {
297: $grade{$name}='1'; $right++;
298: } else {
299: $grade{$name}='0'; $wrong++;
300: }
301: } else {
302: $ignored++;
303: }
304: }
305: my $part=$Apache::inputtags::part;
306: my $id = $Apache::inputtags::response['-1'];
307: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
308: my $gradestr =&Apache::lonnet::hash2str(%grade);
309: my %previous=&Apache::response::check_for_previous($responsestr,
310: $part,$id);
311: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
312: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
313: $responsestr;
314: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
315: if ($Apache::lonhomework::type eq 'randomizetry') {
316: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
317: }
318: if (($Apache::lonhomework::type eq 'survey') ||
319: ($Apache::lonhomework::type eq 'surveycred') ||
320: ($Apache::lonhomework::type eq 'anonsurvey') ||
321: ($Apache::lonhomework::type eq 'anonsurveycred')) {
322: if ($ignored == 0) {
323: my $ad;
324: if ($Apache::lonhomework::type eq 'anonsurveycred') {
325: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
326: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
327: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
328: } elsif ($Apache::lonhomework::type eq 'surveycred') {
329: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
330: } else {
331: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
332: }
333: &Apache::response::handle_previous(\%previous,$ad);
334: } elsif ($wrong==0 && $right==0) {
335: } else {
336: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
337: &Apache::response::handle_previous(\%previous,$ad);
338: }
339: } elsif ($nonlenient) {
340: #
341: # Non-lenient mode. All right or all wrong
342: #
343: my $ad;
344: if ($wrong==0 && $ignored==0) {
345: $ad='EXACT_ANS';
346: } elsif ($wrong==0 && $right==0) {
347: #nothing submitted
348: } else {
349: if ($ignored==0) {
350: $ad='INCORRECT';
351: } else {
352: $ad='MISSING_ANSWER';
353: }
354: }
355: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
356: &Apache::response::handle_previous(\%previous,$ad);
357: } else {
358: #
359: # This is lenient mode
360: #
361: my $ad;
362: if ($wrong==0 && $right==0) {
363: #nothing submitted only assign a score if we
364: #need to override a previous grade
365: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
366: $ad='ASSIGNED_SCORE';
367: }
368: } else {
369: $ad='ASSIGNED_SCORE';
370: }
371: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
372: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
373: $right/(scalar(@whichopt));
374: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
375: scalar(@whichopt);
376: }
377: }
378: }
379: my $part_id = $Apache::inputtags::part;
380: my $response_id = $Apache::inputtags::response[-1];
381: my ($numrows,$bubbles_per_row);
382: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
383: ($numrows,$bubbles_per_row) =
384: &Apache::optionresponse::getnumrows(scalar(@opt));
385: }
386: if ($numrows < 1) {
387: $numrows = 1;
388: }
389: my $increment = &getfoilcounts($max) * $numrows;
390: &Apache::lonxml::increment_counter($increment,"$part_id.$response_id");
391: if ($target eq 'analyze') {
392: &Apache::lonhomework::set_bubble_lines();
393: }
394:
395: } elsif ($target eq 'edit') {
396: $result.=&Apache::edit::end_table();
397: }
398: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
399: if($env{'form.pdfFormFields'} ne 'yes') {
400: $result .= '\end{itemize}';
401: } else {
402: $result .= "\\\\";
403: }
404: }
405: &Apache::response::poprandomnumber();
406: return $result;
407: }
408:
409: sub getfoilcounts {
410: my ($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,@opt)=@_;
489: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
490: my @names = @{ $Apache::response::foilgroup{'names'} };
491: my @truelist;
492: my @falselist;
493: my $result;
494: my $name;
495: my $displayoptionintex=1;
496: my @alphabet = ('A'..'Z');
497: my @whichopt = &whichfoils($max,$randomize);
498: &check_for_invalid(\@whichopt,\@opt);
499: my $part=$Apache::inputtags::part;
500: my $id=$Apache::inputtags::response[-1];
501: my $break;
502: if ( ($target ne 'tex') &&
503: &Apache::response::show_answer() ) {
504: my $temp=1;
505: foreach $name (@whichopt) {
506: my $text=$Apache::response::foilgroup{$name.'.text'};
507: my $lastresp;
508: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
509: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
510: }
511: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
512: my $lastopt=$lastresponse{$name};
513: if ($text!~/^\s*$/) { $break='<br />'; }
514: $result.=$break;
515: if ($target eq 'web') {
516: my $value=$Apache::response::foilgroup{$name.'.value'};
517: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
518: if ($text=~/^\s*$/) {
519: $text=$value.$text;
520: } else {
521: $text='<b>'.$value.':</b> '.$text;
522: }
523: } else {
524: if (@whichopt > 1) {
525: $text='•'.$text;
526: }
527: }
528: $result.=$text."\n";
529: }
530: if ($Apache::lonhomework::type eq 'exam') {
531: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
532: }
533: $temp++;
534: }
535: } else {
536: my $temp=1;
537: my %lastresponse;
538: my $newvariation;
539: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
540: ($Apache::lonhomework::type eq 'randomizetry')) &&
541: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
542: if ($env{'form.'.$part.'.rndseed'} ne
543: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
544: $newvariation = 1;
545: }
546: }
547: unless ($newvariation) {
548: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
549: }
550: my $internal_counter=$Apache::lonxml::counter;
551: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
552: if ($checkboxopt) {
553: $result.='<br />'.
554: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
555: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
556: }
557: foreach $name (@whichopt) {
558: my $text=$Apache::response::foilgroup{$name.'.text'};
559: if ($text!~/^\s*$/) {
560: if ($target eq 'tex') {
561: $break='\vskip 0 mm ';
562: } elsif ($target eq 'web') {
563: $break='<br />';
564: }
565: }
566: my $lastopt=$lastresponse{$name};
567: my $optionlist="<option></option>\n";
568:
569: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
570: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
571: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
572: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
573: }
574:
575: foreach my $option (@opt) {
576: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
577: if ($option eq $lastopt) {
578: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
579: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
580: && $Apache::lonhomework::type ne 'exam') {
581: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
582: } else {
583: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
584: }
585: } else {
586: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
587: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
588: && $Apache::lonhomework::type ne 'exam') {
589: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
590: } else {
591: $optionlist.="<option value='".$escopt."'>$option</option>\n";
592: }
593: }
594: }
595: if ($target ne 'tex') {
596: if ($Apache::lonhomework::type ne 'exam') {
597: # we are on the web, this is not an exam, and the problem can be answered
598: if ($checkboxopt) {
599: # generate checkboxes
600: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
601: my $altopt=$opt[0];
602: if ($opt[0] eq $checkboxopt) {
603: $altopt=$opt[1];
604: }
605: my $defopt=$lastopt;
606: unless ($defopt) { $defopt=$altopt; }
607: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
608: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
609: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
610: # checkboxopt is how the box is labelled
611: # altopt is the alternative option
612: # lastopt is what the user submitted before
613: # defopt is what the field is going to start out with: either previous choice or altopt
614: # fieldname is this input field's name after HWVAL_
615: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
616: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
617: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
618: } else {
619: # classic selection list
620: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
621: $part.'\');" name="HWVAL_'.
622: $Apache::inputtags::response['-1'].':'.$temp.'">'.
623: $optionlist."</select>\n";
624: }
625: } else {
626: $optionlist='<u>'.(' 'x10).'</u>';
627: }
628: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
629: if ($Apache::lonhomework::type ne 'exam') {
630: if (@whichopt > 1) {
631: $text='•'.$text;
632: }
633: }
634: } else {
635: if ($Apache::lonhomework::type ne 'exam') {
636: $text=$optionlist.$text;
637: }
638: }
639: $result.=$break.$text."\n";
640: if ($Apache::lonhomework::type eq 'exam') {
641: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
642: }
643: $temp++;
644: } else {
645: my $texoptionlist='';
646: if ($displayoptionintex &&
647: $Apache::lonhomework::type ne 'exam') {
648: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
649: }
650: if ($text=~/<drawoptionlist\s*\/>/) {
651: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
652: }
653:
654: if ($text=~m/\\item /) {
655: if ($Apache::lonhomework::type eq 'exam') {
656: $text=~s/\\item/\\vskip 2 mm/;
657: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
658: $result.= $texoptionlist.$text;
659: }
660: } else {
661: if ($Apache::lonhomework::type eq 'exam') {
662: $result.= $texoptionlist.' '.$text;
663: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
664: if ($text=~/\S/) {
665: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
666: } else {
667: $result.= $texoptionlist;
668: }
669: }
670: }
671: if ($Apache::lonhomework::type eq 'exam') {
672: $result.='\vskip -1 mm\noindent';
673: my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt));
674: if ($numrows == 1) {
675: $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm';
676: } else {
677: my $linetext;
678: for (my $i=0; $i<$numrows; $i++) {
679: $linetext .= $internal_counter+$i.', ';
680: }
681: $linetext =~ s/,\s$//;
682: $result .= '\small {\textbf{'.$linetext.'}} '.
683: '\hskip 2 mm {\footnotesize '.
684: &mt('(Bubble once in [_1] lines)',$numrows).
685: '} \vskip 1 mm';
686: }
687: $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows,
688: $bubbles_per_row,$internal_counter).
689: ' \strut ';
690: $internal_counter += $numrows;
691: }
692: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
693: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
694: && $Apache::lonhomework::type ne 'exam') {
695: $text =~ s/\\item//m;
696: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
697: $temp++;
698: }
699: $displayoptionintex=0;
700: }
701: }
702: }
703:
704: if ($target eq 'web') {
705: my $data = [\@whichopt,'submissiongrading'];
706: my $questiontype;
707: if ($Apache::lonhomework::type eq 'randomizetry') {
708: $questiontype = $Apache::lonhomework::type,
709: }
710: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
711: }
712:
713: if ($target ne 'tex') {
714: return $result.$break;
715: } else {
716: return $result;
717: }
718: }
719:
720:
721: sub optionlist_correction {
722: my ($TeXlayout,@options) = @_;
723: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
724: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
725: if (scalar(@options) > 0) {
726: foreach my $option (@options) {
727: $texoptionlist.='{\bf '.
728: &Apache::lonxml::latex_special_symbols($option).
729: '}';
730: if ($TeXlayout eq 'vertical') {
731: $texoptionlist.=' \vskip 0 mm ',
732: } else {
733: $texoptionlist.=', ';
734: }
735: }
736: $texoptionlist=~s/, $//;
737: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
738: } else {
739: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
740: }
741: return $texoptionlist;
742: }
743:
744:
745: sub webbubbles {
746: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
747: my @opt=@$ropt;
748: my @alphabet=@$ralphabet;
749: my $result='';
750: my $number_of_bubbles = $#opt + 1;
751: $result.= '<table border="1"><tr>';
752: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
753: my $checked='';
754: if ($lastopt eq $opt[$ind]) {
755: $checked=' checked="on" ';
756: }
757: $result.='<td><input type="radio" name="HWVAL_'.
758: $Apache::inputtags::response['-1'].':'.$temp.
759: '" value="'.$opt[$ind].'" '.$checked.' />';
760: if ($alphabet[$ind]) {
761: $result.=$alphabet[$ind].': ';
762: }
763: $result.=$opt[$ind].'</td>';
764: }
765: $result.='</tr></table>';
766: return $result;
767: }
768:
769:
770: sub bubbles {
771: my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row,
772: $internal_counter) = @_;
773: my @alphabet = @$ralphabet;
774: my @opt = @$ropt;
775: my ($result,$head,$line) =('','','');
776: my $number_of_bubbles = $#opt + 1;
777: my $current_length = 0;
778: my $textwidth;
779: if (defined($max_width)) {
780: $textwidth=$max_width;
781: &Apache::lonxml::debug("Max width passed in: $max_width");
782: } elsif ($env{'form.textwidth'} ne '') {
783: $env{'form.textwidth'}=~/(\d+)/;
784: $textwidth=$1;
785: &Apache::lonxml::debug("Max width from form: $textwidth");
786: } else {
787: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
788: $textwidth=$1.'.'.$2;
789: &Apache::lonxml::debug("Max width defaults? $textwidth");
790: }
791: &Apache::lonxml::debug("Final maxwidth: $textwidth");
792: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
793: my $item;
794: if ($numrows > 1) {
795: my $num = $internal_counter+int($ind/$bubbles_per_row);
796: my $idx = int($ind % $bubbles_per_row);
797: $item = $num.$alphabet[$idx];
798: } else {
799: $item = $alphabet[$ind];
800: }
801: my $leftmargin;
802: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
803: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
804: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
805:
806: $current_length += (length($opt[$ind])+length($item)+4)*2;
807:
808: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
809:
810: $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
811: $head.='lr';
812: } else {
813: $line=~s/\&\s*$//;
814: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
815: $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
816: $head ='lr';
817: $current_length = (length($opt[$ind])+length($item))*2;
818: }
819:
820: }
821: return $result;
822: }
823:
824: sub start_conceptgroup {
825: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
826: $Apache::optionresponse::conceptgroup=1;
827: %Apache::response::conceptgroup=();
828: my $result;
829: if ($target eq 'edit') {
830: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
831: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
832: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
833: }
834: if ($target eq 'modified') {
835: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
836: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
837: }
838: return $result;
839: }
840:
841: sub end_conceptgroup {
842: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
843: $Apache::optionresponse::conceptgroup=0;
844: my $result='';
845: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
846: $target eq 'tex' || $target eq 'analyze') {
847: #if not there aren't any foils to display and thus no question
848: &Apache::response::pick_foil_for_concept($target,
849: ['value','text','location'],
850: \%Apache::hint::option,
851: $parstack,$safeeval);
852: } elsif ($target eq 'edit') {
853: $result=&Apache::edit::end_table();
854: }
855: return $result;
856: }
857:
858: sub insert_conceptgroup {
859: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
860: return $result;
861: }
862:
863: sub start_foil {
864: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
865: my $result='';
866: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
867: &Apache::lonxml::startredirection;
868: if ($target eq 'analyze') {
869: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
870: }
871: } elsif ($target eq 'edit') {
872: $result=&Apache::edit::tag_start($target,$token,"Foil");
873: my $level='-2';
874: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
875: my @opt;
876: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
877: $result.=&Apache::edit::text_arg('Name:','name',$token);
878: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
879: ['unused',(@opt)],$token,'15');
880: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
881: $safeeval,'-3');
882: if ($randomize ne 'no') {
883: $result.=&Apache::edit::select_arg('Location:','location',
884: ['random','top','bottom'],$token);
885: }
886: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
887: } elsif ($target eq 'modified') {
888: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
889: 'value','name','location');
890: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
891: }
892: return $result;
893: }
894:
895: sub end_foil {
896: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
897: my $text ='';
898: my $result = '';
899: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
900: $text=&Apache::lonxml::endredirection;
901: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
902: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
903: }
904: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
905: || $target eq 'tex' || $target eq 'analyze') {
906: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
907: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
908: $text='\vskip 5mm $\triangleright$ '.$text;
909: }
910: if ($value ne 'unused') {
911: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
912: &Apache::lonxml::debug("Got a name of :$name:");
913: if ($name eq "") {
914: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
915: $name=$Apache::lonxml::curdepth;
916: }
917: if ($name eq "0") {
918: &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>'));
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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