1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.170 2010/08/23 11:54:31 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: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber();
107: if ($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 .= ' \begin{itemize} ';
183: } else {
184: $result .= "\\\\";
185: }
186: }
187: return $result;
188: }
189:
190: sub end_foilgroup {
191: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
192:
193: my $result;
194: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
195: $target eq 'tex' || $target eq 'analyze') {
196: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
197: my $name;
198: my @opt;
199: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
200: &Apache::lonxml::debug("options:".join(':',@opt));
201:
202: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
203: -2,0);
204: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
205: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
206: &Apache::lonxml::debug("Options are $#opt");
207: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
208: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
209: $safeeval,'-2');
210: if ($target eq 'web' || $target eq 'tex') {
211: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt);
212: $Apache::lonxml::post_evaluate=0;
213: } elsif ( $target eq 'answer') {
214: $result.=&displayanswers($max,$randomize,@opt);
215:
216: } elsif ( $target eq 'analyze') {
217: my @shown = &whichfoils($max,$randomize);
218: &Apache::response::analyze_store_foilgroup(\@shown,
219: ['text','value','location']);
220: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
221: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
222: } elsif ( $target eq 'grade') {
223: if ( &Apache::response::submitted()) {
224: my @whichopt = &whichfoils($max,$randomize);
225: my $temp=1;my $name;
226: my %responsehash;
227: my %grade;
228: my $right=0;
229: my $wrong=0;
230: my $ignored=0;
231: foreach $name (@whichopt) {
232: my $response=&Apache::response::getresponse($temp);
233: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
234: $response = $opt[$response];
235: }
236: if ( $response =~ /[^\s]/) {
237: $responsehash{$name}=$response;
238: my $value=$Apache::response::foilgroup{$name.'.value'};
239: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
240: if ($value eq $response) {
241: $grade{$name}='1'; $right++;
242: } else {
243: $grade{$name}='0'; $wrong++;
244: }
245: } else {
246: $ignored++;
247: }
248: $temp++;
249: }
250: my $part=$Apache::inputtags::part;
251: my $id = $Apache::inputtags::response['-1'];
252: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
253: my $gradestr =&Apache::lonnet::hash2str(%grade);
254: my %previous=&Apache::response::check_for_previous($responsestr,
255: $part,$id);
256: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
257: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
258: $responsestr;
259: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
260:
261: if (($Apache::lonhomework::type eq 'survey') ||
262: ($Apache::lonhomework::type eq 'surveycred') ||
263: ($Apache::lonhomework::type eq 'anonsurvey') ||
264: ($Apache::lonhomework::type eq 'anonsurveycred')) {
265: if ($ignored == 0) {
266: my $ad;
267: if ($Apache::lonhomework::type eq 'anonsurveycred') {
268: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
269: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
270: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
271: } elsif ($Apache::lonhomework::type eq 'surveycred') {
272: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
273: } else {
274: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
275: }
276: &Apache::response::handle_previous(\%previous,$ad);
277: } elsif ($wrong==0 && $right==0) {
278: } else {
279: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
280: &Apache::response::handle_previous(\%previous,$ad);
281: }
282: } elsif (!$Apache::lonhomework::scantronmode) {
283: my $ad;
284: if ($wrong==0 && $ignored==0) {
285: $ad='EXACT_ANS';
286: } elsif ($wrong==0 && $right==0) {
287: #nothing submitted
288: } else {
289: if ($ignored==0) {
290: $ad='INCORRECT';
291: } else {
292: $ad='MISSING_ANSWER';
293: }
294: }
295: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
296: &Apache::response::handle_previous(\%previous,$ad);
297: } else {
298: my $ad;
299: if ($wrong==0 && $right==0) {
300: #nothing submitted only assign a score if we
301: #need to override a previous grade
302: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
303: $ad='ASSIGNED_SCORE';
304: }
305: } else {
306: $ad='ASSIGNED_SCORE';
307: }
308: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
309: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
310: $right/(scalar(@whichopt));
311: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
312: scalar(@whichopt);
313: }
314: }
315: }
316: my $part_id = $Apache::inputtags::part;
317: my $response_id = $Apache::inputtags::response[-1];
318: &Apache::lonxml::increment_counter(&getfoilcounts($max),
319: "$part_id.$response_id");
320: if ($target eq 'analyze') {
321: &Apache::lonhomework::set_bubble_lines();
322: }
323:
324: } elsif ($target eq 'edit') {
325: $result.=&Apache::edit::end_table();
326: }
327: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
328: if($env{'form.pdfFormFields'} ne 'yes') {
329: $result .= '\end{itemize}';
330: } else {
331: $result .= "\\\\";
332: }
333: }
334: &Apache::response::poprandomnumber();
335: return $result;
336: }
337:
338: sub getfoilcounts {
339: my ($max)=@_;
340: # +1 since instructors will count from 1
341: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
342: if (&Apache::response::showallfoils()) { $max=$count; }
343: if ($count>$max) { $count=$max }
344: &Apache::lonxml::debug("Count is $count from $max");
345: return $count;
346: }
347:
348: sub whichfoils {
349: my ($max,$randomize)=@_;
350: return &Apache::response::whichorder($max,$randomize,
351: &Apache::response::showallfoils(),
352: \%Apache::response::foilgroup);
353: }
354:
355: sub displayanswers {
356: my ($max,$randomize,@opt)=@_;
357: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
358: my @names = @{ $Apache::response::foilgroup{'names'} };
359: my @whichopt = &whichfoils($max,$randomize);
360: my $result;
361: if ($Apache::lonhomework::type eq 'exam') {
362: my $i = 0;
363: my %opt = map { ($_,$i++) } @opt;
364:
365: $i = 0;
366: my @alphabet = ('A'..'Z');
367: foreach my $name (@whichopt) {
368: $result.=&Apache::response::answer_header('optionresponse',$i++);
369: $result.=&Apache::response::answer_part('optionresponse',
370: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
371: $result.=&Apache::response::answer_part('optionresponse',
372: $Apache::response::foilgroup{$name.'.value'});
373: $result.=&Apache::response::answer_footer('optionresponse');
374: }
375: } else {
376: $result=&Apache::response::answer_header('optionresponse');
377: foreach my $name (@whichopt) {
378: $result.=&Apache::response::answer_part('optionresponse',
379: $Apache::response::foilgroup{$name.'.value'});
380: }
381: $result.=&Apache::response::answer_footer('optionresponse');
382: }
383: return $result;
384: }
385:
386: sub check_box_opt {
387: my ($target,$checkboxvalue,@opt)=@_;
388: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
389: # If so, return "checked" value
390: if ($#opt!=1) { return ''; }
391: if ($target ne 'web') { return ''; }
392: return $checkboxvalue;
393: }
394:
395: sub check_for_invalid {
396: my ($names,$options) = @_;
397: my %bad_names;
398: foreach my $name (@{ $names }) {
399: my $value=$Apache::response::foilgroup{$name.'.value'};
400: my $found=0;
401: foreach my $option (@{ $options }) {
402: if ($value eq $option) { $found=1; }
403: }
404: if (!$found) { $bad_names{$name}=$value; }
405: }
406: if (%bad_names) {
407: my $error=&mt('The question can not be gotten correct, '.
408: 'the following foils in the <optionresponse> '.
409: 'have invalid correct options').' <br /><tt>'.
410: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
411: "</tt>";
412: &Apache::lonxml::error($error);
413: }
414: }
415:
416: sub displayfoils {
417: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt)=@_;
418: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
419: my @names = @{ $Apache::response::foilgroup{'names'} };
420: my @truelist;
421: my @falselist;
422: my $result;
423: my $name;
424: my $displayoptionintex=1;
425: my @alphabet = ('A'..'Z');
426: my @whichopt = &whichfoils($max,$randomize);
427: &check_for_invalid(\@whichopt,\@opt);
428: my $part=$Apache::inputtags::part;
429: my $id=$Apache::inputtags::response[-1];
430: my $break;
431: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
432: if ( ($target ne 'tex') &&
433: &Apache::response::show_answer() ) {
434: my $temp=1;
435: foreach $name (@whichopt) {
436: my $text=$Apache::response::foilgroup{$name.'.text'};
437: my $lastresp;
438: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
439: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
440: }
441: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
442: my $lastopt=$lastresponse{$name};
443: if ($text!~/^\s*$/) { $break='<br />'; }
444: $result.=$break;
445: if ($target eq 'web') {
446: my $value=$Apache::response::foilgroup{$name.'.value'};
447: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
448: if ($text=~/^\s*$/) {
449: $text=$value.$text;
450: } else {
451: $text='<b>'.$value.':</b> '.$text;
452: }
453: } else {
454: if (@whichopt > 1) {
455: $text='•'.$text;
456: }
457: }
458: $result.=$text."\n";
459: }
460: if ($Apache::lonhomework::type eq 'exam') {
461: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
462: }
463: $temp++;
464: }
465: } else {
466: my $temp=1;
467: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
468: my $internal_counter=$Apache::lonxml::counter;
469: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
470: if ($checkboxopt) {
471: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '.
472: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
473: }
474: foreach $name (@whichopt) {
475: my $text=$Apache::response::foilgroup{$name.'.text'};
476: if ($text!~/^\s*$/) {
477: if ($target eq 'tex') {
478: $break='\vskip 0 mm ';
479: } elsif ($target eq 'web') {
480: $break='<br />';
481: }
482: }
483: my $lastopt=$lastresponse{$name};
484: my $optionlist="<option></option>\n";
485:
486: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
487: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
488: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
489: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
490: }
491:
492: foreach my $option (@opt) {
493: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
494: if ($option eq $lastopt) {
495: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
496: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
497: && $Apache::lonhomework::type ne 'exam') {
498: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
499: } else {
500: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
501: }
502: } else {
503: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
504: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
505: && $Apache::lonhomework::type ne 'exam') {
506: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
507: } else {
508: $optionlist.="<option value='".$escopt."'>$option</option>\n";
509: }
510: }
511: }
512: if ($target ne 'tex') {
513: if ($Apache::lonhomework::type ne 'exam') {
514: # we are on the web, this is not an exam, and the problem can be answered
515: if ($checkboxopt) {
516: # generate checkboxes
517: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
518: my $altopt=$opt[0];
519: if ($opt[0] eq $checkboxopt) {
520: $altopt=$opt[1];
521: }
522: my $defopt=$lastopt;
523: unless ($defopt) { $defopt=$altopt; }
524: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
525: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
526: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
527: # checkboxopt is how the box is labelled
528: # altopt is the alternative option
529: # lastopt is what the user submitted before
530: # defopt is what the field is going to start out with: either previous choice or altopt
531: # fieldname is this input field's name after HWVAL_
532: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
533: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
534: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
535: } else {
536: # classic selection list
537: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
538: $part.'\');" name="HWVAL_'.
539: $Apache::inputtags::response['-1'].':'.$temp.'">'.
540: $optionlist."</select>\n";
541: }
542: } else {
543: $optionlist='<u>'.(' 'x10).'</u>';
544: }
545: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
546: if ($Apache::lonhomework::type ne 'exam') {
547: if (@whichopt > 1) {
548: $text='•'.$text;
549: }
550: }
551: } else {
552: if ($Apache::lonhomework::type ne 'exam') {
553: $text=$optionlist.$text;
554: }
555: }
556: $result.=$break.$text."\n";
557: if ($Apache::lonhomework::type eq 'exam') {
558: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
559: }
560: $temp++;
561: } else {
562: my $texoptionlist='';
563: if ($displayoptionintex &&
564: $Apache::lonhomework::type ne 'exam') {
565: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
566: }
567: if ($text=~/<drawoptionlist\s*\/>/) {
568: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
569: }
570:
571: if ($text=~m/\\item /) {
572: if ($Apache::lonhomework::type eq 'exam') {
573: $text=~s/\\item/\\vskip 2 mm/;
574: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
575: $result.= $texoptionlist.$text;
576: }
577: } else {
578: if ($Apache::lonhomework::type eq 'exam') {
579: $result.= $texoptionlist.' '.$text;
580: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
581: if ($text=~/\S/) {
582: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
583: } else {
584: $result.= $texoptionlist;
585: }
586: }
587: }
588: if ($Apache::lonhomework::type eq 'exam') {
589: $result.='\vskip -1 mm\noindent';
590: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
591: ' \strut ';
592: $internal_counter++;
593: }
594: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
595: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
596: && $Apache::lonhomework::type ne 'exam') {
597: $text =~ s/\\item//m;
598: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
599: $temp++;
600: }
601: $displayoptionintex=0;
602: }
603: }
604: }
605:
606: if ($target eq 'web') {
607: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
608: [\@whichopt,
609: 'submissiongrading']);
610: }
611:
612: if ($target ne 'tex') {
613: return $result.$break;
614: } else {
615: return $result;
616: }
617: }
618:
619:
620: sub optionlist_correction {
621: my ($TeXlayout,@options) = @_;
622: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
623: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
624: if (scalar(@options) > 0) {
625: foreach my $option (@options) {
626: $texoptionlist.='{\bf '.
627: &Apache::lonxml::latex_special_symbols($option).
628: '}';
629: if ($TeXlayout eq 'vertical') {
630: $texoptionlist.=' \vskip 0 mm ',
631: } else {
632: $texoptionlist.=', ';
633: }
634: }
635: $texoptionlist=~s/, $//;
636: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
637: } else {
638: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
639: }
640: return $texoptionlist;
641: }
642:
643:
644: sub webbubbles {
645: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
646: my @opt=@$ropt;
647: my @alphabet=@$ralphabet;
648: my $result='';
649: my $number_of_bubbles = $#opt + 1;
650: $result.= '<table border="1"><tr>';
651: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
652: my $checked='';
653: if ($lastopt eq $opt[$ind]) {
654: $checked=' checked="on" ';
655: }
656: $result.='<td><input type="radio" name="HWVAL_'.
657: $Apache::inputtags::response['-1'].':'.$temp.
658: '" value="'.$opt[$ind].'" '.$checked.' />';
659: if ($alphabet[$ind]) {
660: $result.=$alphabet[$ind].': ';
661: }
662: $result.=$opt[$ind].'</td>';
663: }
664: $result.='</tr></table>';
665: return $result;
666: }
667:
668:
669: sub bubbles {
670: my ($ralphabet,$ropt,$response, $max_width) = @_;
671: my @alphabet = @$ralphabet;
672: my @opt = @$ropt;
673: my ($result,$head,$line) =('','','');
674: my $number_of_bubbles = $#opt + 1;
675: my $current_length = 0;
676: my $textwidth;
677: if (defined($max_width)) {
678: $textwidth=$max_width;
679: &Apache::lonxml::debug("Max width passed in: $max_width");
680: } elsif ($env{'form.textwidth'} ne '') {
681: $env{'form.textwidth'}=~/(\d+)/;
682: $textwidth=$1;
683: &Apache::lonxml::debug("Max width from form: $textwidth");
684: } else {
685: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
686: $textwidth=$1.'.'.$2;
687: &Apache::lonxml::debug("Max width defaults? $textwidth");
688: }
689: &Apache::lonxml::debug("Final maxwidth: $textwidth");
690: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
691: my $leftmargin;
692: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
693: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
694: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
695:
696: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
697: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
698: $line.='\hskip 1pc {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
699: $head.='lr';
700: } else {
701: $line=~s/\&\s*$//;
702: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
703: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
704: $head ='lr';
705: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
706: }
707:
708: }
709: return $result;
710: }
711:
712:
713: sub start_conceptgroup {
714: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
715: $Apache::optionresponse::conceptgroup=1;
716: %Apache::response::conceptgroup=();
717: my $result;
718: if ($target eq 'edit') {
719: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
720: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
721: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
722: }
723: if ($target eq 'modified') {
724: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
725: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
726: }
727: return $result;
728: }
729:
730: sub end_conceptgroup {
731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
732: $Apache::optionresponse::conceptgroup=0;
733: my $result='';
734: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
735: $target eq 'tex' || $target eq 'analyze') {
736: #if not there aren't any foils to display and thus no question
737: &Apache::response::pick_foil_for_concept($target,
738: ['value','text','location'],
739: \%Apache::hint::option,
740: $parstack,$safeeval);
741: } elsif ($target eq 'edit') {
742: $result=&Apache::edit::end_table();
743: }
744: return $result;
745: }
746:
747: sub insert_conceptgroup {
748: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
749: return $result;
750: }
751:
752: sub start_foil {
753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
754: my $result='';
755: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
756: &Apache::lonxml::startredirection;
757: if ($target eq 'analyze') {
758: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
759: }
760: } elsif ($target eq 'edit') {
761: $result=&Apache::edit::tag_start($target,$token,"Foil");
762: my $level='-2';
763: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
764: my @opt;
765: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
766: $result.=&Apache::edit::text_arg('Name:','name',$token);
767: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
768: ['unused',(@opt)],$token,'15');
769: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
770: $safeeval,'-3');
771: if ($randomize ne 'no') {
772: $result.=&Apache::edit::select_arg('Location:','location',
773: ['random','top','bottom'],$token);
774: }
775: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
776: } elsif ($target eq 'modified') {
777: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
778: 'value','name','location');
779: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
780: }
781: return $result;
782: }
783:
784: sub end_foil {
785: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
786: my $text ='';
787: my $result = '';
788: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
789: $text=&Apache::lonxml::endredirection;
790: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
791: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
792: }
793: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
794: || $target eq 'tex' || $target eq 'analyze') {
795: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
796: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
797: $text='\vskip 5mm $\triangleright$ '.$text;
798: }
799: if ($value ne 'unused') {
800: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
801: &Apache::lonxml::debug("Got a name of :$name:");
802: if ($name eq "") {
803: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
804: $name=$Apache::lonxml::curdepth;
805: }
806: &Apache::lonxml::debug("Using a name of :$name:");
807: if (defined($Apache::response::foilnames{$name})) {
808: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
809: }
810: $Apache::response::foilnames{$name}++;
811: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
812: if ( $Apache::optionresponse::conceptgroup
813: && !&Apache::response::showallfoils() ) {
814: push @{ $Apache::response::conceptgroup{'names'} }, $name;
815: $Apache::response::conceptgroup{"$name.value"} = $value;
816: $Apache::response::conceptgroup{"$name.text"} = $text;
817: $Apache::response::conceptgroup{"$name.location"} = $location;
818: } else {
819: push @{ $Apache::response::foilgroup{'names'} }, $name;
820: $Apache::response::foilgroup{"$name.value"} = $value;
821: $Apache::response::foilgroup{"$name.text"} = $text;
822: $Apache::response::foilgroup{"$name.location"} = $location;
823: }
824: }
825: }
826: if ($target eq 'edit') {
827: $result.= &Apache::edit::tag_end($target,$token,'');
828: }
829: return $result;
830: }
831:
832: sub start_drawoptionlist {
833: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
834: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
835: return $token->[4];
836: }
837: }
838:
839: sub end_drawoptionlist {
840: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
841: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
842: return $token->[2];
843: }
844: }
845:
846: sub insert_foil {
847: return '
848: <foil name="" value="unused">
849: <startouttext />
850: <endouttext />
851: </foil>';
852: }
853:
854: sub insert_drawoptionlist {
855: return '<drawoptionlist />';
856: }
857: 1;
858: __END__
859:
860: =head1 NAME
861:
862: Apache::optionresponse.pm;
863:
864: =head1 SYNOPSIS
865:
866: Handles tags associated with showing a list of
867: options.
868:
869: This is part of the LearningOnline Network with CAPA project
870: described at http://www.lon-capa.org.
871:
872: =head1 HANDLER SUBROUTINE
873:
874: start_optionresponse()
875:
876: =head1 OTHER SUBROUTINES
877:
878: =over
879:
880: =item end_optionresponse()
881:
882: =item start_foilgroup()
883:
884: =item end_foilgroup()
885:
886: =item getfoilcounts()
887:
888: =item displayanswers()
889:
890: =item check_for_invalid()
891:
892: =item displayfoils()
893:
894: =item optionlist_correction()
895:
896: =item webbubbles()
897:
898: =item bubbles()
899:
900: =item start_conceptgroup()
901:
902: =item end_conceptgroup()
903:
904: =item insert_conceptgroup()
905:
906: =item start_foil()
907:
908: =item end_foil()
909:
910: =item start_drawoptionlist()
911:
912: =item end_drawoptionlist()
913:
914: =item insert_foil()
915:
916: =item insert_drawoptionlist()
917:
918: =back
919:
920: =cut
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