1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.173.2.2 2011/11/08 19:38:05 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29:
30:
31:
32:
33: package Apache::optionresponse;
34: use strict;
35: use Apache::response();
36: use Apache::lonlocal;
37: use Apache::lonnet;
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
41: }
42:
43: sub start_optionresponse {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result='';
46: #when in a option response use these
47: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
48: push (@Apache::lonxml::namespace,'optionresponse');
49: my $id = &Apache::response::start_response($parstack,$safeeval);
50: %Apache::hint::option=();
51: undef(%Apache::response::foilnames);
52: if ($target eq 'edit') {
53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
55: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
56: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
57: .&Apache::edit::deletelist($target,$token)
58: .'</span></td>'
59: ."<td> "
60: .&Apache::edit::end_row()
61: .&Apache::edit::start_spanning_row()
62: ."\n";
63: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
64: $token,'4').
65: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
66: ['yes','no'],$token).
67: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
68: [['horizontal','Normal list'],
69: ['vertical','Listed in a vertical column']],$token).
70: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
71: } elsif ($target eq 'modified') {
72: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
73: $safeeval,'max','randomize',
74: 'TeXlayout');
75: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
76: } elsif ($target eq 'meta') {
77: $result=&Apache::response::meta_package_write('optionresponse');
78: } elsif ($target eq 'analyze') {
79: my $part_id="$Apache::inputtags::part.$id";
80: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
81: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
82: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
83:
84: }
85: return $result;
86: }
87:
88: sub end_optionresponse {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
90: &Apache::response::end_response;
91: pop @Apache::lonxml::namespace;
92: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
93: my $result;
94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
95: undef(%Apache::response::foilnames);
96: return $result;
97: }
98:
99: %Apache::response::foilgroup=();
100: sub start_foilgroup {
101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
102:
103: my $result='';
104: %Apache::response::foilgroup=();
105: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber(undef,$target);
107: if ($target eq 'edit') {
108: my $optionlist="<option></option>\n";
109: my $option;
110: my @opt;
111: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
112: my $count=1;
113: foreach $option (@opt) {
114: $optionlist.="<option value=\"$count\">$option</option>\n";
115: $count++;
116: }
117: my $insertlist=&Apache::edit::insertlist($target,$token);
118: $result.=&Apache::edit::start_table($token);
119: $result.= (<<ENDTABLE);
120: <tr><td>Select Options</td>
121: <td>
122: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
123: </td>
124: <td>Delete an Option:
125: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
126: </td>
127: ENDTABLE
128: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
129: [ ['nochoice','Don\'t show option list'] ]
130: ,$token).'</td>';
131: $result.= '<td><label>'.&mt('Two-option checkboxes for:').
132: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
133: foreach $option (('',@opt)) {
134: $result.='<option value="'.$option.'"';
135: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
136: $result.=' selected="selected"';
137: }
138: $result.='>'.$option.'</option>';
139: }
140: $result.='</select></label>';
141: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
142: [ ['nochoice','Don\'t show option list'] ]
143: ,$token).'</td>';
144: $result.= &Apache::edit::end_row();
145: $result.= &Apache::edit::start_spanning_row();
146: $result.= $insertlist.'<br />';
147: }
148: if ($target eq 'modified') {
149: my @options;
150: my $optchanged=0;
151: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
152: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
153: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
154: &Apache::lonxml::debug("Deleting :$delopt:");
155: splice(@options,$delopt-1,1);
156: $optchanged=1;
157: }
158: if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') {
159: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
160: push(@options,$newopt);
161: $optchanged=1;
162: }
163: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
164: 'texoptions','checkboxvalue','checkboxoptions');
165: if ($optchanged || $rebuildtag ) {
166: $result = "<foilgroup options=\"(";
167: foreach my $option (@options) {
168: $option=~s/\'/\\\'/g;
169: &Apache::lonxml::debug("adding option :$option:");
170: $result .="'".$option."',";
171: }
172: chop $result;
173: $result.=')" ';
174: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
175: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
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: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
206: if ($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,$checkboxchoices,$tex_option_switch,@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: if ($Apache::lonhomework::type eq 'randomizetry') {
262: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
263: }
264: if (($Apache::lonhomework::type eq 'survey') ||
265: ($Apache::lonhomework::type eq 'surveycred') ||
266: ($Apache::lonhomework::type eq 'anonsurvey') ||
267: ($Apache::lonhomework::type eq 'anonsurveycred')) {
268: if ($ignored == 0) {
269: my $ad;
270: if ($Apache::lonhomework::type eq 'anonsurveycred') {
271: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
272: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
273: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
274: } elsif ($Apache::lonhomework::type eq 'surveycred') {
275: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
276: } else {
277: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
278: }
279: &Apache::response::handle_previous(\%previous,$ad);
280: } elsif ($wrong==0 && $right==0) {
281: } else {
282: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
283: &Apache::response::handle_previous(\%previous,$ad);
284: }
285: } elsif (!$Apache::lonhomework::scantronmode) {
286: my $ad;
287: if ($wrong==0 && $ignored==0) {
288: $ad='EXACT_ANS';
289: } elsif ($wrong==0 && $right==0) {
290: #nothing submitted
291: } else {
292: if ($ignored==0) {
293: $ad='INCORRECT';
294: } else {
295: $ad='MISSING_ANSWER';
296: }
297: }
298: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
299: &Apache::response::handle_previous(\%previous,$ad);
300: } else {
301: my $ad;
302: if ($wrong==0 && $right==0) {
303: #nothing submitted only assign a score if we
304: #need to override a previous grade
305: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
306: $ad='ASSIGNED_SCORE';
307: }
308: } else {
309: $ad='ASSIGNED_SCORE';
310: }
311: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
312: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
313: $right/(scalar(@whichopt));
314: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
315: scalar(@whichopt);
316: }
317: }
318: }
319: my $part_id = $Apache::inputtags::part;
320: my $response_id = $Apache::inputtags::response[-1];
321: &Apache::lonxml::increment_counter(&getfoilcounts($max),
322: "$part_id.$response_id");
323: if ($target eq 'analyze') {
324: &Apache::lonhomework::set_bubble_lines();
325: }
326:
327: } elsif ($target eq 'edit') {
328: $result.=&Apache::edit::end_table();
329: }
330: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
331: if($env{'form.pdfFormFields'} ne 'yes') {
332: $result .= '\end{itemize}';
333: } else {
334: $result .= "\\\\";
335: }
336: }
337: &Apache::response::poprandomnumber();
338: return $result;
339: }
340:
341: sub getfoilcounts {
342: my ($max)=@_;
343: # +1 since instructors will count from 1
344: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
345: if (&Apache::response::showallfoils()) { $max=$count; }
346: if ($count>$max) { $count=$max }
347: &Apache::lonxml::debug("Count is $count from $max");
348: return $count;
349: }
350:
351: sub whichfoils {
352: my ($max,$randomize)=@_;
353: return &Apache::response::whichorder($max,$randomize,
354: &Apache::response::showallfoils(),
355: \%Apache::response::foilgroup);
356: }
357:
358: sub displayanswers {
359: my ($max,$randomize,@opt)=@_;
360: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
361: my @names = @{ $Apache::response::foilgroup{'names'} };
362: my @whichopt = &whichfoils($max,$randomize);
363: my $result;
364: if ($Apache::lonhomework::type eq 'exam') {
365: my $i = 0;
366: my %opt = map { ($_,$i++) } @opt;
367:
368: $i = 0;
369: my @alphabet = ('A'..'Z');
370: foreach my $name (@whichopt) {
371: $result.=&Apache::response::answer_header('optionresponse',$i++);
372: $result.=&Apache::response::answer_part('optionresponse',
373: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
374: $result.=&Apache::response::answer_part('optionresponse',
375: $Apache::response::foilgroup{$name.'.value'});
376: $result.=&Apache::response::answer_footer('optionresponse');
377: }
378: } else {
379: $result=&Apache::response::answer_header('optionresponse');
380: foreach my $name (@whichopt) {
381: $result.=&Apache::response::answer_part('optionresponse',
382: $Apache::response::foilgroup{$name.'.value'});
383: }
384: $result.=&Apache::response::answer_footer('optionresponse');
385: }
386: return $result;
387: }
388:
389: sub check_box_opt {
390: my ($target,$checkboxvalue,@opt)=@_;
391: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
392: # If so, return "checked" value
393: if ($#opt!=1) { return ''; }
394: if ($target ne 'web') { return ''; }
395: return $checkboxvalue;
396: }
397:
398: sub check_for_invalid {
399: my ($names,$options) = @_;
400: my %bad_names;
401: foreach my $name (@{ $names }) {
402: my $value=$Apache::response::foilgroup{$name.'.value'};
403: my $found=0;
404: foreach my $option (@{ $options }) {
405: if ($value eq $option) { $found=1; }
406: }
407: if (!$found) { $bad_names{$name}=$value; }
408: }
409: if (%bad_names) {
410: my $error=&mt('The question can not be gotten correct, '.
411: 'the following foils in the <optionresponse> '.
412: 'have invalid correct options').' <br /><tt>'.
413: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
414: "</tt>";
415: &Apache::lonxml::error($error);
416: }
417: }
418:
419: sub displayfoils {
420: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
421: $tex_option_switch,@opt)=@_;
422: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
423: my @names = @{ $Apache::response::foilgroup{'names'} };
424: my @truelist;
425: my @falselist;
426: my $result;
427: my $name;
428: my $displayoptionintex=1;
429: my @alphabet = ('A'..'Z');
430: my @whichopt = &whichfoils($max,$randomize);
431: unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
432: &check_for_invalid(\@whichopt,\@opt);
433: }
434: my $part=$Apache::inputtags::part;
435: my $id=$Apache::inputtags::response[-1];
436: my $break;
437: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
438: if ( ($target ne 'tex') &&
439: &Apache::response::show_answer() ) {
440: my $temp=1;
441: foreach $name (@whichopt) {
442: my $text=$Apache::response::foilgroup{$name.'.text'};
443: my $lastresp;
444: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
445: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
446: }
447: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
448: my $lastopt=$lastresponse{$name};
449: if ($text!~/^\s*$/) { $break='<br />'; }
450: $result.=$break;
451: if ($target eq 'web') {
452: my $value=$Apache::response::foilgroup{$name.'.value'};
453: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
454: if ($text=~/^\s*$/) {
455: $text=$value.$text;
456: } else {
457: $text='<b>'.$value.':</b> '.$text;
458: }
459: } else {
460: if (@whichopt > 1) {
461: $text='•'.$text;
462: }
463: }
464: $result.=$text."\n";
465: }
466: if ($Apache::lonhomework::type eq 'exam') {
467: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
468: }
469: $temp++;
470: }
471: } else {
472: my $temp=1;
473: my %lastresponse;
474: my $newvariation;
475: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
476: ($Apache::lonhomework::type eq 'randomizetry')) &&
477: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
478: if ($env{'form.'.$part.'.rndseed'} ne
479: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
480: $newvariation = 1;
481: }
482: }
483: unless ($newvariation) {
484: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
485: }
486: my $internal_counter=$Apache::lonxml::counter;
487: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
488: if ($checkboxopt) {
489: $result.='<br />'.
490: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
491: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
492: }
493: foreach $name (@whichopt) {
494: my $text=$Apache::response::foilgroup{$name.'.text'};
495: if ($text!~/^\s*$/) {
496: if ($target eq 'tex') {
497: $break='\vskip 0 mm ';
498: } elsif ($target eq 'web') {
499: $break='<br />';
500: }
501: }
502: my $lastopt=$lastresponse{$name};
503: my $optionlist="<option></option>\n";
504:
505: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
506: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
507: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
508: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
509: }
510:
511: foreach my $option (@opt) {
512: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
513: if ($option eq $lastopt) {
514: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
515: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
516: && $Apache::lonhomework::type ne 'exam') {
517: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
518: } else {
519: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
520: }
521: } else {
522: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
523: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
524: && $Apache::lonhomework::type ne 'exam') {
525: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
526: } else {
527: $optionlist.="<option value='".$escopt."'>$option</option>\n";
528: }
529: }
530: }
531: if ($target ne 'tex') {
532: if ($Apache::lonhomework::type ne 'exam') {
533: # we are on the web, this is not an exam, and the problem can be answered
534: if ($checkboxopt) {
535: # generate checkboxes
536: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
537: my $altopt=$opt[0];
538: if ($opt[0] eq $checkboxopt) {
539: $altopt=$opt[1];
540: }
541: my $defopt=$lastopt;
542: unless ($defopt) { $defopt=$altopt; }
543: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
544: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
545: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
546: # checkboxopt is how the box is labelled
547: # altopt is the alternative option
548: # lastopt is what the user submitted before
549: # defopt is what the field is going to start out with: either previous choice or altopt
550: # fieldname is this input field's name after HWVAL_
551: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
552: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
553: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
554: } else {
555: # classic selection list
556: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
557: $part.'\');" name="HWVAL_'.
558: $Apache::inputtags::response['-1'].':'.$temp.'">'.
559: $optionlist."</select>\n";
560: }
561: } else {
562: $optionlist='<u>'.(' 'x10).'</u>';
563: }
564: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
565: if ($Apache::lonhomework::type ne 'exam') {
566: if (@whichopt > 1) {
567: $text='•'.$text;
568: }
569: }
570: } else {
571: if ($Apache::lonhomework::type ne 'exam') {
572: $text=$optionlist.$text;
573: }
574: }
575: $result.=$break.$text."\n";
576: if ($Apache::lonhomework::type eq 'exam') {
577: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
578: }
579: $temp++;
580: } else {
581: my $texoptionlist='';
582: if ($displayoptionintex &&
583: $Apache::lonhomework::type ne 'exam') {
584: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
585: }
586: if ($text=~/<drawoptionlist\s*\/>/) {
587: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
588: }
589:
590: if ($text=~m/\\item /) {
591: if ($Apache::lonhomework::type eq 'exam') {
592: $text=~s/\\item/\\vskip 2 mm/;
593: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
594: $result.= $texoptionlist.$text;
595: }
596: } else {
597: if ($Apache::lonhomework::type eq 'exam') {
598: $result.= $texoptionlist.' '.$text;
599: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
600: if ($text=~/\S/) {
601: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
602: } else {
603: $result.= $texoptionlist;
604: }
605: }
606: }
607: if ($Apache::lonhomework::type eq 'exam') {
608: $result.='\vskip -1 mm\noindent';
609: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
610: ' \strut ';
611: $internal_counter++;
612: }
613: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
614: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
615: && $Apache::lonhomework::type ne 'exam') {
616: $text =~ s/\\item//m;
617: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
618: $temp++;
619: }
620: $displayoptionintex=0;
621: }
622: }
623: }
624:
625: if ($target eq 'web') {
626: my $data = [\@whichopt,'submissiongrading'];
627: my $questiontype;
628: if ($Apache::lonhomework::type eq 'randomizetry') {
629: $questiontype = $Apache::lonhomework::type,
630: }
631: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
632: }
633:
634: if ($target ne 'tex') {
635: return $result.$break;
636: } else {
637: return $result;
638: }
639: }
640:
641:
642: sub optionlist_correction {
643: my ($TeXlayout,@options) = @_;
644: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
645: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
646: if (scalar(@options) > 0) {
647: foreach my $option (@options) {
648: $texoptionlist.='{\bf '.
649: &Apache::lonxml::latex_special_symbols($option).
650: '}';
651: if ($TeXlayout eq 'vertical') {
652: $texoptionlist.=' \vskip 0 mm ',
653: } else {
654: $texoptionlist.=', ';
655: }
656: }
657: $texoptionlist=~s/, $//;
658: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
659: } else {
660: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
661: }
662: return $texoptionlist;
663: }
664:
665:
666: sub webbubbles {
667: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
668: my @opt=@$ropt;
669: my @alphabet=@$ralphabet;
670: my $result='';
671: my $number_of_bubbles = $#opt + 1;
672: $result.= '<table border="1"><tr>';
673: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
674: my $checked='';
675: if ($lastopt eq $opt[$ind]) {
676: $checked=' checked="on" ';
677: }
678: $result.='<td><input type="radio" name="HWVAL_'.
679: $Apache::inputtags::response['-1'].':'.$temp.
680: '" value="'.$opt[$ind].'" '.$checked.' />';
681: if ($alphabet[$ind]) {
682: $result.=$alphabet[$ind].': ';
683: }
684: $result.=$opt[$ind].'</td>';
685: }
686: $result.='</tr></table>';
687: return $result;
688: }
689:
690:
691: sub bubbles {
692: my ($ralphabet,$ropt,$response, $max_width) = @_;
693: my @alphabet = @$ralphabet;
694: my @opt = @$ropt;
695: my ($result,$head,$line) =('','','');
696: my $number_of_bubbles = $#opt + 1;
697: my $current_length = 0;
698: my $textwidth;
699: if (defined($max_width)) {
700: $textwidth=$max_width;
701: &Apache::lonxml::debug("Max width passed in: $max_width");
702: } elsif ($env{'form.textwidth'} ne '') {
703: $env{'form.textwidth'}=~/(\d+)/;
704: $textwidth=$1;
705: &Apache::lonxml::debug("Max width from form: $textwidth");
706: } else {
707: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
708: $textwidth=$1.'.'.$2;
709: &Apache::lonxml::debug("Max width defaults? $textwidth");
710: }
711: &Apache::lonxml::debug("Final maxwidth: $textwidth");
712: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
713: my $leftmargin;
714: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
715: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
716: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
717:
718: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
719: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
720: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
721: $head.='lr';
722: } else {
723: $line=~s/\&\s*$//;
724: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
725: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
726: $head ='lr';
727: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
728: }
729:
730: }
731: return $result;
732: }
733:
734:
735: sub start_conceptgroup {
736: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
737: $Apache::optionresponse::conceptgroup=1;
738: %Apache::response::conceptgroup=();
739: my $result;
740: if ($target eq 'edit') {
741: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
742: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
743: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
744: }
745: if ($target eq 'modified') {
746: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
747: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
748: }
749: return $result;
750: }
751:
752: sub end_conceptgroup {
753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
754: $Apache::optionresponse::conceptgroup=0;
755: my $result='';
756: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
757: $target eq 'tex' || $target eq 'analyze') {
758: #if not there aren't any foils to display and thus no question
759: &Apache::response::pick_foil_for_concept($target,
760: ['value','text','location'],
761: \%Apache::hint::option,
762: $parstack,$safeeval);
763: } elsif ($target eq 'edit') {
764: $result=&Apache::edit::end_table();
765: }
766: return $result;
767: }
768:
769: sub insert_conceptgroup {
770: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
771: return $result;
772: }
773:
774: sub start_foil {
775: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
776: my $result='';
777: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
778: &Apache::lonxml::startredirection;
779: if ($target eq 'analyze') {
780: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
781: }
782: } elsif ($target eq 'edit') {
783: $result=&Apache::edit::tag_start($target,$token,"Foil");
784: my $level='-2';
785: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
786: my @opt;
787: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
788: $result.=&Apache::edit::text_arg('Name:','name',$token);
789: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
790: ['unused',(@opt)],$token,'15');
791: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
792: $safeeval,'-3');
793: if ($randomize ne 'no') {
794: $result.=&Apache::edit::select_arg('Location:','location',
795: ['random','top','bottom'],$token);
796: }
797: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
798: } elsif ($target eq 'modified') {
799: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
800: 'value','name','location');
801: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
802: }
803: return $result;
804: }
805:
806: sub end_foil {
807: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
808: my $text ='';
809: my $result = '';
810: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
811: $text=&Apache::lonxml::endredirection;
812: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
813: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
814: }
815: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
816: || $target eq 'tex' || $target eq 'analyze') {
817: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
818: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
819: $text='\vskip 5mm $\triangleright$ '.$text;
820: }
821: if ($value ne 'unused') {
822: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
823: &Apache::lonxml::debug("Got a name of :$name:");
824: if ($name eq "") {
825: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
826: $name=$Apache::lonxml::curdepth;
827: }
828: &Apache::lonxml::debug("Using a name of :$name:");
829: if (defined($Apache::response::foilnames{$name})) {
830: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
831: }
832: $Apache::response::foilnames{$name}++;
833: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
834: if ( $Apache::optionresponse::conceptgroup
835: && !&Apache::response::showallfoils() ) {
836: push @{ $Apache::response::conceptgroup{'names'} }, $name;
837: $Apache::response::conceptgroup{"$name.value"} = $value;
838: $Apache::response::conceptgroup{"$name.text"} = $text;
839: $Apache::response::conceptgroup{"$name.location"} = $location;
840: } else {
841: push @{ $Apache::response::foilgroup{'names'} }, $name;
842: $Apache::response::foilgroup{"$name.value"} = $value;
843: $Apache::response::foilgroup{"$name.text"} = $text;
844: $Apache::response::foilgroup{"$name.location"} = $location;
845: }
846: }
847: }
848: if ($target eq 'edit') {
849: $result.= &Apache::edit::tag_end($target,$token,'');
850: }
851: return $result;
852: }
853:
854: sub start_drawoptionlist {
855: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
856: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
857: return $token->[4];
858: }
859: }
860:
861: sub end_drawoptionlist {
862: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
863: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
864: return $token->[2];
865: }
866: }
867:
868: sub insert_foil {
869: return '
870: <foil name="" value="unused">
871: <startouttext />
872: <endouttext />
873: </foil>';
874: }
875:
876: sub insert_drawoptionlist {
877: return '<drawoptionlist />';
878: }
879: 1;
880: __END__
881:
882: =head1 NAME
883:
884: Apache::optionresponse.pm;
885:
886: =head1 SYNOPSIS
887:
888: Handles tags associated with showing a list of
889: options.
890:
891: This is part of the LearningOnline Network with CAPA project
892: described at http://www.lon-capa.org.
893:
894: =head1 HANDLER SUBROUTINE
895:
896: start_optionresponse()
897:
898: =head1 OTHER SUBROUTINES
899:
900: =over
901:
902: =item end_optionresponse()
903:
904: =item start_foilgroup()
905:
906: =item end_foilgroup()
907:
908: =item getfoilcounts()
909:
910: =item displayanswers()
911:
912: =item check_for_invalid()
913:
914: =item displayfoils()
915:
916: =item optionlist_correction()
917:
918: =item webbubbles()
919:
920: =item bubbles()
921:
922: =item start_conceptgroup()
923:
924: =item end_conceptgroup()
925:
926: =item insert_conceptgroup()
927:
928: =item start_foil()
929:
930: =item end_foil()
931:
932: =item start_drawoptionlist()
933:
934: =item end_drawoptionlist()
935:
936: =item insert_foil()
937:
938: =item insert_drawoptionlist()
939:
940: =back
941:
942: =cut
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