1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.164 2010/04/27 14:11:17 onken 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: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber();
107: if ($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::end_row();
142: $result.= &Apache::edit::start_spanning_row();
143: $result.= $insertlist.'<br />';
144: }
145: if ($target eq 'modified') {
146: my @options;
147: my $optchanged=0;
148: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
149: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
150: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
151: &Apache::lonxml::debug("Deleting :$delopt:");
152: splice(@options,$delopt-1,1);
153: $optchanged=1;
154: }
155: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
156: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
157: if ($options[0]) {
158: push(@options,$newopt);
159: } else {
160: $options[0]=$newopt;
161: }
162: $optchanged=1;
163: }
164: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
165: 'texoptions','checkboxvalue');
166: if ($optchanged || $rebuildtag ) {
167: $result = "<foilgroup options=\"(";
168: foreach my $option (@options) {
169: $option=~s/\'/\\\'/g;
170: &Apache::lonxml::debug("adding option :$option:");
171: $result .="'".$option."',";
172: }
173: chop $result;
174: $result.=')" ';
175: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
176: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
177: $result .= '>';
178: } # else nothing changed so just use the default mechanism
179: }
180: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
181: if($env{'form.pdfFormFields'} ne 'yes') {
182: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
183: \begin{enumerate} ';
184: } else {
185: $result .= "\\\\";
186: }
187: }
188: return $result;
189: }
190:
191: sub end_foilgroup {
192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
193:
194: my $result;
195: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
196: $target eq 'tex' || $target eq 'analyze') {
197: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
198: my $name;
199: my @opt;
200: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
201: &Apache::lonxml::debug("options:".join(':',@opt));
202:
203: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
204: -2,0);
205: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
206: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
207: &Apache::lonxml::debug("Options are $#opt");
208: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
209: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
210: $safeeval,'-2');
211: if ($target eq 'web' || $target eq 'tex') {
212: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt);
213: $Apache::lonxml::post_evaluate=0;
214: } elsif ( $target eq 'answer') {
215: $result.=&displayanswers($max,$randomize,@opt);
216:
217: } elsif ( $target eq 'analyze') {
218: my @shown = &whichfoils($max,$randomize);
219: &Apache::response::analyze_store_foilgroup(\@shown,
220: ['text','value','location']);
221: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
222: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
223: } elsif ( $target eq 'grade') {
224: if ( &Apache::response::submitted()) {
225: my @whichopt = &whichfoils($max,$randomize);
226: my $temp=1;my $name;
227: my %responsehash;
228: my %grade;
229: my $right=0;
230: my $wrong=0;
231: my $ignored=0;
232: foreach $name (@whichopt) {
233: my $response=&Apache::response::getresponse($temp);
234: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
235: $response = $opt[$response];
236: }
237: if ( $response =~ /[^\s]/) {
238: $responsehash{$name}=$response;
239: my $value=$Apache::response::foilgroup{$name.'.value'};
240: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
241: if ($value eq $response) {
242: $grade{$name}='1'; $right++;
243: } else {
244: $grade{$name}='0'; $wrong++;
245: }
246: } else {
247: $ignored++;
248: }
249: $temp++;
250: }
251: my $part=$Apache::inputtags::part;
252: my $id = $Apache::inputtags::response['-1'];
253: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
254: my $gradestr =&Apache::lonnet::hash2str(%grade);
255: my %previous=&Apache::response::check_for_previous($responsestr,
256: $part,$id);
257: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
258: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
259: $responsestr;
260: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
261:
262: if (($Apache::lonhomework::type eq 'survey') ||
263: ($Apache::lonhomework::type eq 'surveycred') ||
264: ($Apache::lonhomework::type eq 'anonsurvey') ||
265: ($Apache::lonhomework::type eq 'anonsurveycred')) {
266: if ($ignored == 0) {
267: my $ad;
268: if ($Apache::lonhomework::type eq 'anonsurveycred') {
269: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
270: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
271: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
272: } elsif ($Apache::lonhomework::type eq 'surveycred') {
273: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
274: } else {
275: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
276: }
277: &Apache::response::handle_previous(\%previous,$ad);
278: } elsif ($wrong==0 && $right==0) {
279: } else {
280: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
281: &Apache::response::handle_previous(\%previous,$ad);
282: }
283: } elsif (!$Apache::lonhomework::scantronmode) {
284: my $ad;
285: if ($wrong==0 && $ignored==0) {
286: $ad='EXACT_ANS';
287: } elsif ($wrong==0 && $right==0) {
288: #nothing submitted
289: } else {
290: if ($ignored==0) {
291: $ad='INCORRECT';
292: } else {
293: $ad='MISSING_ANSWER';
294: }
295: }
296: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
297: &Apache::response::handle_previous(\%previous,$ad);
298: } else {
299: my $ad;
300: if ($wrong==0 && $right==0) {
301: #nothing submitted only assign a score if we
302: #need to override a previous grade
303: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
304: $ad='ASSIGNED_SCORE';
305: }
306: } else {
307: $ad='ASSIGNED_SCORE';
308: }
309: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
310: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
311: $right/(scalar(@whichopt));
312: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
313: scalar(@whichopt);
314: }
315: }
316: }
317: my $part_id = $Apache::inputtags::part;
318: my $response_id = $Apache::inputtags::response[-1];
319: &Apache::lonxml::increment_counter(&getfoilcounts($max),
320: "$part_id.$response_id");
321: if ($target eq 'analyze') {
322: &Apache::lonhomework::set_bubble_lines();
323: }
324:
325: } elsif ($target eq 'edit') {
326: $result.=&Apache::edit::end_table();
327: }
328: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
329: if($env{'form.pdfFormFields'} ne 'yes') {
330: $result .= '\end{enumerate}';
331: } else {
332: $result .= "\\\\";
333: }
334: }
335: &Apache::response::poprandomnumber();
336: return $result;
337: }
338:
339: sub getfoilcounts {
340: my ($max)=@_;
341: # +1 since instructors will count from 1
342: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
343: if (&Apache::response::showallfoils()) { $max=$count; }
344: if ($count>$max) { $count=$max }
345: &Apache::lonxml::debug("Count is $count from $max");
346: return $count;
347: }
348:
349: sub whichfoils {
350: my ($max,$randomize)=@_;
351: return &Apache::response::whichorder($max,$randomize,
352: &Apache::response::showallfoils(),
353: \%Apache::response::foilgroup);
354: }
355:
356: sub displayanswers {
357: my ($max,$randomize,@opt)=@_;
358: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
359: my @names = @{ $Apache::response::foilgroup{'names'} };
360: my @whichopt = &whichfoils($max,$randomize);
361: my $result;
362: if ($Apache::lonhomework::type eq 'exam') {
363: my $i = 0;
364: my %opt = map { ($_,$i++) } @opt;
365:
366: $i = 0;
367: my @alphabet = ('A'..'Z');
368: foreach my $name (@whichopt) {
369: $result.=&Apache::response::answer_header('optionresponse',$i++);
370: $result.=&Apache::response::answer_part('optionresponse',
371: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
372: $result.=&Apache::response::answer_part('optionresponse',
373: $Apache::response::foilgroup{$name.'.value'});
374: $result.=&Apache::response::answer_footer('optionresponse');
375: }
376: } else {
377: $result=&Apache::response::answer_header('optionresponse');
378: foreach my $name (@whichopt) {
379: $result.=&Apache::response::answer_part('optionresponse',
380: $Apache::response::foilgroup{$name.'.value'});
381: }
382: $result.=&Apache::response::answer_footer('optionresponse');
383: }
384: return $result;
385: }
386:
387: sub check_box_opt {
388: my ($target,$checkboxvalue,@opt)=@_;
389: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
390: # If so, return "checked" value
391: if ($#opt!=1) { return ''; }
392: if ($target ne 'web') { return ''; }
393: return $checkboxvalue;
394: }
395:
396: sub check_for_invalid {
397: my ($names,$options) = @_;
398: my %bad_names;
399: foreach my $name (@{ $names }) {
400: my $value=$Apache::response::foilgroup{$name.'.value'};
401: my $found=0;
402: foreach my $option (@{ $options }) {
403: if ($value eq $option) { $found=1; }
404: }
405: if (!$found) { $bad_names{$name}=$value; }
406: }
407: if (%bad_names) {
408: my $error=&mt('The question can not be gotten correct, '.
409: 'the following foils in the <optionresponse> '.
410: 'have invalid correct options').' <br /><tt>'.
411: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
412: "</tt>";
413: &Apache::lonxml::error($error);
414: }
415: }
416:
417: sub displayfoils {
418: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt)=@_;
419: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
420: my @names = @{ $Apache::response::foilgroup{'names'} };
421: my @truelist;
422: my @falselist;
423: my $result;
424: my $name;
425: my $displayoptionintex=1;
426: my @alphabet = ('A'..'Z');
427: my @whichopt = &whichfoils($max,$randomize);
428: &check_for_invalid(\@whichopt,\@opt);
429: my $part=$Apache::inputtags::part;
430: my $id=$Apache::inputtags::response[-1];
431: my $break;
432: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
433: if ( ($target ne 'tex') &&
434: &Apache::response::show_answer() ) {
435: my $temp=1;
436: foreach $name (@whichopt) {
437: my $text=$Apache::response::foilgroup{$name.'.text'};
438: my $lastresp;
439: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
440: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
441: }
442: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
443: my $lastopt=$lastresponse{$name};
444: if ($text!~/^\s*$/) { $break='<br />'; }
445: $result.=$break;
446: if ($target eq 'web') {
447: my $value=$Apache::response::foilgroup{$name.'.value'};
448: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
449: if ($text=~/^\s*$/) {
450: $text=$value.$text;
451: } else {
452: $text='<b>'.$value.':</b> '.$text;
453: }
454: } else {
455: $text='•'.$text;
456: }
457: $result.=$text."\n";
458: }
459: if ($Apache::lonhomework::type eq 'exam') {
460: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
461: }
462: $temp++;
463: }
464: } else {
465: my $temp=1;
466: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
467: my $internal_counter=$Apache::lonxml::counter;
468: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
469: if ($checkboxopt) {
470: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '.
471: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
472: }
473: foreach $name (@whichopt) {
474: my $text=$Apache::response::foilgroup{$name.'.text'};
475: if ($text!~/^\s*$/) {
476: if ($target eq 'tex') {
477: $break='\vskip 0 mm ';
478: } elsif ($target eq 'web') {
479: $break='<br />';
480: }
481: }
482: my $lastopt=$lastresponse{$name};
483: my $optionlist="<option></option>\n";
484:
485: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
486: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
487: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
488: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
489: }
490:
491: foreach my $option (@opt) {
492: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
493: if ($option eq $lastopt) {
494: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
495: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
496: && $Apache::lonhomework::type ne 'exam') {
497: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
498: } else {
499: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
500: }
501: } else {
502: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
503: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
504: && $Apache::lonhomework::type ne 'exam') {
505: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
506: } else {
507: $optionlist.="<option value='".$escopt."'>$option</option>\n";
508: }
509: }
510: }
511: if ($target ne 'tex') {
512: if ($Apache::lonhomework::type ne 'exam') {
513: # we are on the web, this is not an exam, and the problem can be answered
514: if ($checkboxopt) {
515: # generate checkboxes
516: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
517: my $altopt=$opt[0];
518: if ($opt[0] eq $checkboxopt) {
519: $altopt=$opt[1];
520: }
521: my $defopt=$lastopt;
522: unless ($defopt) { $defopt=$altopt; }
523: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
524: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
525: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
526: # checkboxopt is how the box is labelled
527: # altopt is the alternative option
528: # lastopt is what the user submitted before
529: # defopt is what the field is going to start out with: either previous choice or altopt
530: # fieldname is this input field's name after HWVAL_
531: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
532: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
533: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
534: } else {
535: # classic selection list
536: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
537: $part.'\');" name="HWVAL_'.
538: $Apache::inputtags::response['-1'].':'.$temp.'">'.
539: $optionlist."</select>\n";
540: }
541: } else {
542: $optionlist='<u>'.(' 'x10).'</u>';
543: }
544: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
545: if ($Apache::lonhomework::type ne 'exam') {
546: $text='•'.$text;
547: }
548: } else {
549: if ($Apache::lonhomework::type ne 'exam') {
550: $text=$optionlist.$text;
551: }
552: }
553: $result.=$break.$text."\n";
554: if ($Apache::lonhomework::type eq 'exam') {
555: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
556: }
557: $temp++;
558: } else {
559: my $texoptionlist='';
560: if ($displayoptionintex &&
561: $Apache::lonhomework::type ne 'exam') {
562: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
563: }
564: if ($text=~/<drawoptionlist\s*\/>/) {
565: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
566: }
567:
568: if ($text=~m/\\item /) {
569: if ($Apache::lonhomework::type eq 'exam') {
570: $text=~s/\\item/\\vskip 2 mm/;
571: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
572: $result.= $texoptionlist.$text;
573: }
574: } else {
575: if ($Apache::lonhomework::type eq 'exam') {
576: $result.= $texoptionlist.' '.$text;
577: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
578: if ($text=~/\S/) {
579: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
580: } else {
581: $result.= $texoptionlist;
582: }
583: }
584: }
585: if ($Apache::lonhomework::type eq 'exam') {
586: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
587: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
588: '\end{enumerate} \vskip -8 mm \strut ';
589: $internal_counter++;
590: }
591: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
592: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
593: && $Apache::lonhomework::type ne 'exam') {
594: $text =~ s/\\item//m;
595: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
596: $temp++;
597: }
598: $displayoptionintex=0;
599: }
600: }
601: }
602:
603: if ($target eq 'web') {
604: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
605: [\@whichopt,
606: 'submissiongrading']);
607: }
608:
609: if ($target ne 'tex') {
610: return $result.$break;
611: } else {
612: return $result;
613: }
614: }
615:
616:
617: sub optionlist_correction {
618: my ($TeXlayout,@options) = @_;
619: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
620: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
621: if (scalar(@options) > 0) {
622: foreach my $option (@options) {
623: $texoptionlist.='{\bf '.
624: &Apache::lonxml::latex_special_symbols($option).
625: '}';
626: if ($TeXlayout eq 'vertical') {
627: $texoptionlist.=' \vskip 0 mm ',
628: } else {
629: $texoptionlist.=', ';
630: }
631: }
632: $texoptionlist=~s/, $//;
633: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
634: } else {
635: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
636: }
637: return $texoptionlist;
638: }
639:
640:
641: sub webbubbles {
642: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
643: my @opt=@$ropt;
644: my @alphabet=@$ralphabet;
645: my $result='';
646: my $number_of_bubbles = $#opt + 1;
647: $result.= '<table border="1"><tr>';
648: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
649: my $checked='';
650: if ($lastopt eq $opt[$ind]) {
651: $checked=' checked="on" ';
652: }
653: $result.='<td><input type="radio" name="HWVAL_'.
654: $Apache::inputtags::response['-1'].':'.$temp.
655: '" value="'.$opt[$ind].'" '.$checked.' />';
656: if ($alphabet[$ind]) {
657: $result.=$alphabet[$ind].': ';
658: }
659: $result.=$opt[$ind].'</td>';
660: }
661: $result.='</tr></table>';
662: return $result;
663: }
664:
665:
666: sub bubbles {
667: my ($ralphabet,$ropt,$response, $max_width) = @_;
668: my @alphabet = @$ralphabet;
669: my @opt = @$ropt;
670: my ($result,$head,$line) =('','','');
671: my $number_of_bubbles = $#opt + 1;
672: my $current_length = 0;
673: my $textwidth;
674: if (defined($max_width)) {
675: $textwidth=$max_width;
676: &Apache::lonxml::debug("Max width passed in: $max_width");
677: } elsif ($env{'form.textwidth'} ne '') {
678: $env{'form.textwidth'}=~/(\d+)/;
679: $textwidth=$1;
680: &Apache::lonxml::debug("Max width from form: $textwidth");
681: } else {
682: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
683: $textwidth=$1.'.'.$2;
684: &Apache::lonxml::debug("Max width defaults? $textwidth");
685: }
686: &Apache::lonxml::debug("Final maxwidth: $textwidth");
687: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
688: my $leftmargin;
689: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
690: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
691: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
692:
693: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
694: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
695: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
696: $head.='lr';
697: } else {
698: $line=~s/\&\s*$//;
699: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
700: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
701: $head ='lr';
702: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
703: }
704:
705: }
706: return $result;
707: }
708:
709:
710: sub start_conceptgroup {
711: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
712: $Apache::optionresponse::conceptgroup=1;
713: %Apache::response::conceptgroup=();
714: my $result;
715: if ($target eq 'edit') {
716: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
717: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
718: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
719: }
720: if ($target eq 'modified') {
721: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
722: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
723: }
724: return $result;
725: }
726:
727: sub end_conceptgroup {
728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
729: $Apache::optionresponse::conceptgroup=0;
730: my $result='';
731: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
732: $target eq 'tex' || $target eq 'analyze') {
733: #if not there aren't any foils to display and thus no question
734: &Apache::response::pick_foil_for_concept($target,
735: ['value','text','location'],
736: \%Apache::hint::option,
737: $parstack,$safeeval);
738: } elsif ($target eq 'edit') {
739: $result=&Apache::edit::end_table();
740: }
741: return $result;
742: }
743:
744: sub insert_conceptgroup {
745: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
746: return $result;
747: }
748:
749: sub start_foil {
750: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
751: my $result='';
752: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
753: &Apache::lonxml::startredirection;
754: if ($target eq 'analyze') {
755: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
756: }
757: } elsif ($target eq 'edit') {
758: $result=&Apache::edit::tag_start($target,$token,"Foil");
759: my $level='-2';
760: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
761: my @opt;
762: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
763: $result.=&Apache::edit::text_arg('Name:','name',$token);
764: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
765: ['unused',(@opt)],$token,'15');
766: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
767: $safeeval,'-3');
768: if ($randomize ne 'no') {
769: $result.=&Apache::edit::select_arg('Location:','location',
770: ['random','top','bottom'],$token);
771: }
772: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
773: } elsif ($target eq 'modified') {
774: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
775: 'value','name','location');
776: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
777: }
778: return $result;
779: }
780:
781: sub end_foil {
782: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
783: my $text ='';
784: my $result = '';
785: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
786: $text=&Apache::lonxml::endredirection;
787: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
788: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
789: }
790: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
791: || $target eq 'tex' || $target eq 'analyze') {
792: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
793: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
794: $text='\vskip 5mm $\triangleright$ '.$text;
795: }
796: if ($value ne 'unused') {
797: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
798: &Apache::lonxml::debug("Got a name of :$name:");
799: if ($name eq "") {
800: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
801: $name=$Apache::lonxml::curdepth;
802: }
803: &Apache::lonxml::debug("Using a name of :$name:");
804: if (defined($Apache::response::foilnames{$name})) {
805: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
806: }
807: $Apache::response::foilnames{$name}++;
808: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
809: if ( $Apache::optionresponse::conceptgroup
810: && !&Apache::response::showallfoils() ) {
811: push @{ $Apache::response::conceptgroup{'names'} }, $name;
812: $Apache::response::conceptgroup{"$name.value"} = $value;
813: $Apache::response::conceptgroup{"$name.text"} = $text;
814: $Apache::response::conceptgroup{"$name.location"} = $location;
815: } else {
816: push @{ $Apache::response::foilgroup{'names'} }, $name;
817: $Apache::response::foilgroup{"$name.value"} = $value;
818: $Apache::response::foilgroup{"$name.text"} = $text;
819: $Apache::response::foilgroup{"$name.location"} = $location;
820: }
821: }
822: }
823: if ($target eq 'edit') {
824: $result.= &Apache::edit::tag_end($target,$token,'');
825: }
826: return $result;
827: }
828:
829: sub start_drawoptionlist {
830: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
831: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
832: return $token->[4];
833: }
834: }
835:
836: sub end_drawoptionlist {
837: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
838: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
839: return $token->[2];
840: }
841: }
842:
843: sub insert_foil {
844: return '
845: <foil name="" value="unused">
846: <startouttext />
847: <endouttext />
848: </foil>';
849: }
850:
851: sub insert_drawoptionlist {
852: return '<drawoptionlist />';
853: }
854: 1;
855: __END__
856:
857: =head1 NAME
858:
859: Apache::optionresponse.pm;
860:
861: =head1 SYNOPSIS
862:
863: Handles tags associated with showing a list of
864: options.
865:
866: This is part of the LearningOnline Network with CAPA project
867: described at http://www.lon-capa.org.
868:
869: =head1 HANDLER SUBROUTINE
870:
871: start_optionresponse()
872:
873: =head1 OTHER SUBROUTINES
874:
875: =over
876:
877: =item end_optionresponse()
878:
879: =item start_foilgroup()
880:
881: =item end_foilgroup()
882:
883: =item getfoilcounts()
884:
885: =item displayanswers()
886:
887: =item check_for_invalid()
888:
889: =item displayfoils()
890:
891: =item optionlist_correction()
892:
893: =item webbubbles()
894:
895: =item bubbles()
896:
897: =item start_conceptgroup()
898:
899: =item end_conceptgroup()
900:
901: =item insert_conceptgroup()
902:
903: =item start_foil()
904:
905: =item end_foil()
906:
907: =item start_drawoptionlist()
908:
909: =item end_drawoptionlist()
910:
911: =item insert_foil()
912:
913: =item insert_drawoptionlist()
914:
915: =back
916:
917: =cut
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