1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.162 2010/02/05 23:02:39 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: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber();
107: if ($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 ($Apache::lonhomework::type eq 'survey') {
263: if ($ignored == 0) {
264: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
265: &Apache::response::handle_previous(\%previous,$ad);
266: } elsif ($wrong==0 && $right==0) {
267: } else {
268: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
269: &Apache::response::handle_previous(\%previous,$ad);
270: }
271: } elsif (!$Apache::lonhomework::scantronmode) {
272: my $ad;
273: if ($wrong==0 && $ignored==0) {
274: $ad='EXACT_ANS';
275: } elsif ($wrong==0 && $right==0) {
276: #nothing submitted
277: } else {
278: if ($ignored==0) {
279: $ad='INCORRECT';
280: } else {
281: $ad='MISSING_ANSWER';
282: }
283: }
284: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
285: &Apache::response::handle_previous(\%previous,$ad);
286: } else {
287: my $ad;
288: if ($wrong==0 && $right==0) {
289: #nothing submitted only assign a score if we
290: #need to override a previous grade
291: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
292: $ad='ASSIGNED_SCORE';
293: }
294: } else {
295: $ad='ASSIGNED_SCORE';
296: }
297: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
298: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
299: $right/(scalar(@whichopt));
300: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
301: scalar(@whichopt);
302: }
303: }
304: }
305: my $part_id = $Apache::inputtags::part;
306: my $response_id = $Apache::inputtags::response[-1];
307: &Apache::lonxml::increment_counter(&getfoilcounts($max),
308: "$part_id.$response_id");
309: if ($target eq 'analyze') {
310: &Apache::lonhomework::set_bubble_lines();
311: }
312:
313: } elsif ($target eq 'edit') {
314: $result.=&Apache::edit::end_table();
315: }
316: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
317: if($env{'form.pdfFormFields'} ne 'yes') {
318: $result .= '\end{enumerate}';
319: } else {
320: $result .= "\\\\";
321: }
322: }
323: &Apache::response::poprandomnumber();
324: return $result;
325: }
326:
327: sub getfoilcounts {
328: my ($max)=@_;
329: # +1 since instructors will count from 1
330: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
331: if (&Apache::response::showallfoils()) { $max=$count; }
332: if ($count>$max) { $count=$max }
333: &Apache::lonxml::debug("Count is $count from $max");
334: return $count;
335: }
336:
337: sub whichfoils {
338: my ($max,$randomize)=@_;
339: return &Apache::response::whichorder($max,$randomize,
340: &Apache::response::showallfoils(),
341: \%Apache::response::foilgroup);
342: }
343:
344: sub displayanswers {
345: my ($max,$randomize,@opt)=@_;
346: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
347: my @names = @{ $Apache::response::foilgroup{'names'} };
348: my @whichopt = &whichfoils($max,$randomize);
349: my $result;
350: if ($Apache::lonhomework::type eq 'exam') {
351: my $i = 0;
352: my %opt = map { ($_,$i++) } @opt;
353:
354: $i = 0;
355: my @alphabet = ('A'..'Z');
356: foreach my $name (@whichopt) {
357: $result.=&Apache::response::answer_header('optionresponse',$i++);
358: $result.=&Apache::response::answer_part('optionresponse',
359: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
360: $result.=&Apache::response::answer_part('optionresponse',
361: $Apache::response::foilgroup{$name.'.value'});
362: $result.=&Apache::response::answer_footer('optionresponse');
363: }
364: } else {
365: $result=&Apache::response::answer_header('optionresponse');
366: foreach my $name (@whichopt) {
367: $result.=&Apache::response::answer_part('optionresponse',
368: $Apache::response::foilgroup{$name.'.value'});
369: }
370: $result.=&Apache::response::answer_footer('optionresponse');
371: }
372: return $result;
373: }
374:
375: sub check_box_opt {
376: my ($target,$checkboxvalue,@opt)=@_;
377: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
378: # If so, return "checked" value
379: if ($#opt!=1) { return ''; }
380: if ($target ne 'web') { return ''; }
381: return $checkboxvalue;
382: }
383:
384: sub check_for_invalid {
385: my ($names,$options) = @_;
386: my %bad_names;
387: foreach my $name (@{ $names }) {
388: my $value=$Apache::response::foilgroup{$name.'.value'};
389: my $found=0;
390: foreach my $option (@{ $options }) {
391: if ($value eq $option) { $found=1; }
392: }
393: if (!$found) { $bad_names{$name}=$value; }
394: }
395: if (%bad_names) {
396: my $error=&mt('The question can not be gotten correct, '.
397: 'the following foils in the <optionresponse> '.
398: 'have invalid correct options').' <br /><tt>'.
399: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
400: "</tt>";
401: &Apache::lonxml::error($error);
402: }
403: }
404:
405: sub displayfoils {
406: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt)=@_;
407: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
408: my @names = @{ $Apache::response::foilgroup{'names'} };
409: my @truelist;
410: my @falselist;
411: my $result;
412: my $name;
413: my $displayoptionintex=1;
414: my @alphabet = ('A'..'Z');
415: my @whichopt = &whichfoils($max,$randomize);
416: &check_for_invalid(\@whichopt,\@opt);
417: my $part=$Apache::inputtags::part;
418: my $id=$Apache::inputtags::response[-1];
419: my $break;
420: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
421: if ( ($target ne 'tex') &&
422: &Apache::response::show_answer() ) {
423: my $temp=1;
424: foreach $name (@whichopt) {
425: my $text=$Apache::response::foilgroup{$name.'.text'};
426: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
427: my $lastopt=$lastresponse{$name};
428: if ($text!~/^\s*$/) { $break='<br />'; }
429: $result.=$break;
430: if ($target eq 'web') {
431: my $value=$Apache::response::foilgroup{$name.'.value'};
432: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
433: if ($text=~/^\s*$/) {
434: $text=$value.$text;
435: } else {
436: $text='<b>'.$value.':</b> '.$text;
437: }
438: } else {
439: $text='•'.$text;
440: }
441: $result.=$text."\n";
442: }
443: if ($Apache::lonhomework::type eq 'exam') {
444: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
445: }
446: $temp++;
447: }
448: } else {
449: my $temp=1;
450: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
451: my $internal_counter=$Apache::lonxml::counter;
452: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
453: if ($checkboxopt) {
454: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '.
455: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
456: }
457: foreach $name (@whichopt) {
458: my $text=$Apache::response::foilgroup{$name.'.text'};
459: if ($text!~/^\s*$/) {
460: if ($target eq 'tex') {
461: $break='\vskip 0 mm ';
462: } elsif ($target eq 'web') {
463: $break='<br />';
464: }
465: }
466: my $lastopt=$lastresponse{$name};
467: my $optionlist="<option></option>\n";
468:
469: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
470: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
471: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
472: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
473: }
474:
475: foreach my $option (@opt) {
476: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
477: if ($option eq $lastopt) {
478: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
479: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
480: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
481: } else {
482: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
483: }
484: } else {
485: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
486: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
487: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
488: } else {
489: $optionlist.="<option value='".$escopt."'>$option</option>\n";
490: }
491: }
492: }
493: if ($target ne 'tex') {
494: if ($Apache::lonhomework::type ne 'exam') {
495: # we are on the web, this is not an exam, and the problem can be answered
496: if ($checkboxopt) {
497: # generate checkboxes
498: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
499: my $altopt=$opt[0];
500: if ($opt[0] eq $checkboxopt) {
501: $altopt=$opt[1];
502: }
503: my $defopt=$lastopt;
504: unless ($defopt) { $defopt=$altopt; }
505: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
506: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
507: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
508: # checkboxopt is how the box is labelled
509: # altopt is the alternative option
510: # lastopt is what the user submitted before
511: # defopt is what the field is going to start out with: either previous choice or altopt
512: # fieldname is this input field's name after HWVAL_
513: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
514: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
515: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
516: } else {
517: # classic selection list
518: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
519: $part.'\');" name="HWVAL_'.
520: $Apache::inputtags::response['-1'].':'.$temp.'">'.
521: $optionlist."</select>\n";
522: }
523: } else {
524: $optionlist='<u>'.(' 'x10).'</u>';
525: }
526: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
527: if ($Apache::lonhomework::type ne 'exam') {
528: $text='•'.$text;
529: }
530: } else {
531: if ($Apache::lonhomework::type ne 'exam') {
532: $text=$optionlist.$text;
533: }
534: }
535: $result.=$break.$text."\n";
536: if ($Apache::lonhomework::type eq 'exam') {
537: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
538: }
539: $temp++;
540: } else {
541: my $texoptionlist='';
542: if ($displayoptionintex &&
543: $Apache::lonhomework::type ne 'exam') {
544: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
545: }
546: if ($text=~/<drawoptionlist\s*\/>/) {
547: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
548: }
549:
550: if ($text=~m/\\item /) {
551: if ($Apache::lonhomework::type eq 'exam') {
552: $text=~s/\\item/\\vskip 2 mm/;
553: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
554: $result.= $texoptionlist.$text;
555: }
556: } else {
557: if ($Apache::lonhomework::type eq 'exam') {
558: $result.= $texoptionlist.' '.$text;
559: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
560: if ($text=~/\S/) {
561: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
562: } else {
563: $result.= $texoptionlist;
564: }
565: }
566: }
567: if ($Apache::lonhomework::type eq 'exam') {
568: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
569: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
570: '\end{enumerate} \vskip -8 mm \strut ';
571: $internal_counter++;
572: }
573: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
574: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
575: $text =~ s/\\item//m;
576: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
577: $temp++;
578: }
579: $displayoptionintex=0;
580: }
581: }
582: }
583:
584: if ($target eq 'web') {
585: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
586: [\@whichopt,
587: 'submissiongrading']);
588: }
589:
590: if ($target ne 'tex') {
591: return $result.$break;
592: } else {
593: return $result;
594: }
595: }
596:
597:
598: sub optionlist_correction {
599: my ($TeXlayout,@options) = @_;
600: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
601: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
602: if (scalar(@options) > 0) {
603: foreach my $option (@options) {
604: $texoptionlist.='{\bf '.
605: &Apache::lonxml::latex_special_symbols($option).
606: '}';
607: if ($TeXlayout eq 'vertical') {
608: $texoptionlist.=' \vskip 0 mm ',
609: } else {
610: $texoptionlist.=', ';
611: }
612: }
613: $texoptionlist=~s/, $//;
614: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
615: } else {
616: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
617: }
618: return $texoptionlist;
619: }
620:
621:
622: sub webbubbles {
623: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
624: my @opt=@$ropt;
625: my @alphabet=@$ralphabet;
626: my $result='';
627: my $number_of_bubbles = $#opt + 1;
628: $result.= '<table border="1"><tr>';
629: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
630: my $checked='';
631: if ($lastopt eq $opt[$ind]) {
632: $checked=' checked="on" ';
633: }
634: $result.='<td><input type="radio" name="HWVAL_'.
635: $Apache::inputtags::response['-1'].':'.$temp.
636: '" value="'.$opt[$ind].'" '.$checked.' />';
637: if ($alphabet[$ind]) {
638: $result.=$alphabet[$ind].': ';
639: }
640: $result.=$opt[$ind].'</td>';
641: }
642: $result.='</tr></table>';
643: return $result;
644: }
645:
646:
647: sub bubbles {
648: my ($ralphabet,$ropt,$response, $max_width) = @_;
649: my @alphabet = @$ralphabet;
650: my @opt = @$ropt;
651: my ($result,$head,$line) =('','','');
652: my $number_of_bubbles = $#opt + 1;
653: my $current_length = 0;
654: my $textwidth;
655: if (defined($max_width)) {
656: $textwidth=$max_width;
657: &Apache::lonxml::debug("Max width passed in: $max_width");
658: } elsif ($env{'form.textwidth'} ne '') {
659: $env{'form.textwidth'}=~/(\d+)/;
660: $textwidth=$1;
661: &Apache::lonxml::debug("Max width from form: $textwidth");
662: } else {
663: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
664: $textwidth=$1.'.'.$2;
665: &Apache::lonxml::debug("Max width defaults? $textwidth");
666: }
667: &Apache::lonxml::debug("Final maxwidth: $textwidth");
668: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
669: my $leftmargin;
670: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
671: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
672: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
673:
674: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
675: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
676: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
677: $head.='lr';
678: } else {
679: $line=~s/\&\s*$//;
680: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
681: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
682: $head ='lr';
683: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
684: }
685:
686: }
687: return $result;
688: }
689:
690:
691: sub start_conceptgroup {
692: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
693: $Apache::optionresponse::conceptgroup=1;
694: %Apache::response::conceptgroup=();
695: my $result;
696: if ($target eq 'edit') {
697: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
698: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
699: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
700: }
701: if ($target eq 'modified') {
702: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
703: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
704: }
705: return $result;
706: }
707:
708: sub end_conceptgroup {
709: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
710: $Apache::optionresponse::conceptgroup=0;
711: my $result='';
712: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
713: $target eq 'tex' || $target eq 'analyze') {
714: #if not there aren't any foils to display and thus no question
715: &Apache::response::pick_foil_for_concept($target,
716: ['value','text','location'],
717: \%Apache::hint::option,
718: $parstack,$safeeval);
719: } elsif ($target eq 'edit') {
720: $result=&Apache::edit::end_table();
721: }
722: return $result;
723: }
724:
725: sub insert_conceptgroup {
726: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
727: return $result;
728: }
729:
730: sub start_foil {
731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
732: my $result='';
733: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
734: &Apache::lonxml::startredirection;
735: if ($target eq 'analyze') {
736: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
737: }
738: } elsif ($target eq 'edit') {
739: $result=&Apache::edit::tag_start($target,$token,"Foil");
740: my $level='-2';
741: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
742: my @opt;
743: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
744: $result.=&Apache::edit::text_arg('Name:','name',$token);
745: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
746: ['unused',(@opt)],$token,'15');
747: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
748: $safeeval,'-3');
749: if ($randomize ne 'no') {
750: $result.=&Apache::edit::select_arg('Location:','location',
751: ['random','top','bottom'],$token);
752: }
753: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
754: } elsif ($target eq 'modified') {
755: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
756: 'value','name','location');
757: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
758: }
759: return $result;
760: }
761:
762: sub end_foil {
763: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
764: my $text ='';
765: my $result = '';
766: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
767: $text=&Apache::lonxml::endredirection;
768: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
769: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
770: }
771: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
772: || $target eq 'tex' || $target eq 'analyze') {
773: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
774: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
775: $text='\vskip 5mm $\triangleright$ '.$text;
776: }
777: if ($value ne 'unused') {
778: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
779: &Apache::lonxml::debug("Got a name of :$name:");
780: if ($name eq "") {
781: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
782: $name=$Apache::lonxml::curdepth;
783: }
784: &Apache::lonxml::debug("Using a name of :$name:");
785: if (defined($Apache::response::foilnames{$name})) {
786: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
787: }
788: $Apache::response::foilnames{$name}++;
789: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
790: if ( $Apache::optionresponse::conceptgroup
791: && !&Apache::response::showallfoils() ) {
792: push @{ $Apache::response::conceptgroup{'names'} }, $name;
793: $Apache::response::conceptgroup{"$name.value"} = $value;
794: $Apache::response::conceptgroup{"$name.text"} = $text;
795: $Apache::response::conceptgroup{"$name.location"} = $location;
796: } else {
797: push @{ $Apache::response::foilgroup{'names'} }, $name;
798: $Apache::response::foilgroup{"$name.value"} = $value;
799: $Apache::response::foilgroup{"$name.text"} = $text;
800: $Apache::response::foilgroup{"$name.location"} = $location;
801: }
802: }
803: }
804: if ($target eq 'edit') {
805: $result.= &Apache::edit::tag_end($target,$token,'');
806: }
807: return $result;
808: }
809:
810: sub start_drawoptionlist {
811: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
812: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
813: return $token->[4];
814: }
815: }
816:
817: sub end_drawoptionlist {
818: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
819: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
820: return $token->[2];
821: }
822: }
823:
824: sub insert_foil {
825: return '
826: <foil name="" value="unused">
827: <startouttext />
828: <endouttext />
829: </foil>';
830: }
831:
832: sub insert_drawoptionlist {
833: return '<drawoptionlist />';
834: }
835: 1;
836: __END__
837:
838: =head1 NAME
839:
840: Apache::optionresponse.pm;
841:
842: =head1 SYNOPSIS
843:
844: Handles tags associated with showing a list of
845: options.
846:
847: This is part of the LearningOnline Network with CAPA project
848: described at http://www.lon-capa.org.
849:
850: =head1 HANDLER SUBROUTINE
851:
852: start_optionresponse()
853:
854: =head1 OTHER SUBROUTINES
855:
856: =over
857:
858: =item end_optionresponse()
859:
860: =item start_foilgroup()
861:
862: =item end_foilgroup()
863:
864: =item getfoilcounts()
865:
866: =item displayanswers()
867:
868: =item check_for_invalid()
869:
870: =item displayfoils()
871:
872: =item optionlist_correction()
873:
874: =item webbubbles()
875:
876: =item bubbles()
877:
878: =item start_conceptgroup()
879:
880: =item end_conceptgroup()
881:
882: =item insert_conceptgroup()
883:
884: =item start_foil()
885:
886: =item end_foil()
887:
888: =item start_drawoptionlist()
889:
890: =item end_drawoptionlist()
891:
892: =item insert_foil()
893:
894: =item insert_drawoptionlist()
895:
896: =back
897:
898: =cut
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