1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.173.2.1 2011/10/08 23:03:42 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,@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,@opt)=@_;
421: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
422: my @names = @{ $Apache::response::foilgroup{'names'} };
423: my @truelist;
424: my @falselist;
425: my $result;
426: my $name;
427: my $displayoptionintex=1;
428: my @alphabet = ('A'..'Z');
429: my @whichopt = &whichfoils($max,$randomize);
430: &check_for_invalid(\@whichopt,\@opt);
431: my $part=$Apache::inputtags::part;
432: my $id=$Apache::inputtags::response[-1];
433: my $break;
434: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
435: if ( ($target ne 'tex') &&
436: &Apache::response::show_answer() ) {
437: my $temp=1;
438: foreach $name (@whichopt) {
439: my $text=$Apache::response::foilgroup{$name.'.text'};
440: my $lastresp;
441: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
442: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
443: }
444: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
445: my $lastopt=$lastresponse{$name};
446: if ($text!~/^\s*$/) { $break='<br />'; }
447: $result.=$break;
448: if ($target eq 'web') {
449: my $value=$Apache::response::foilgroup{$name.'.value'};
450: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
451: if ($text=~/^\s*$/) {
452: $text=$value.$text;
453: } else {
454: $text='<b>'.$value.':</b> '.$text;
455: }
456: } else {
457: if (@whichopt > 1) {
458: $text='•'.$text;
459: }
460: }
461: $result.=$text."\n";
462: }
463: if ($Apache::lonhomework::type eq 'exam') {
464: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
465: }
466: $temp++;
467: }
468: } else {
469: my $temp=1;
470: my %lastresponse;
471: my $newvariation;
472: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
473: ($Apache::lonhomework::type eq 'randomizetry')) &&
474: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
475: if ($env{'form.'.$part.'.rndseed'} ne
476: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
477: $newvariation = 1;
478: }
479: }
480: unless ($newvariation) {
481: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
482: }
483: my $internal_counter=$Apache::lonxml::counter;
484: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
485: if ($checkboxopt) {
486: $result.='<br />'.
487: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
488: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
489: }
490: foreach $name (@whichopt) {
491: my $text=$Apache::response::foilgroup{$name.'.text'};
492: if ($text!~/^\s*$/) {
493: if ($target eq 'tex') {
494: $break='\vskip 0 mm ';
495: } elsif ($target eq 'web') {
496: $break='<br />';
497: }
498: }
499: my $lastopt=$lastresponse{$name};
500: my $optionlist="<option></option>\n";
501:
502: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
503: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
504: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
505: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
506: }
507:
508: foreach my $option (@opt) {
509: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
510: if ($option eq $lastopt) {
511: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
512: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
513: && $Apache::lonhomework::type ne 'exam') {
514: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
515: } else {
516: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
517: }
518: } else {
519: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
520: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
521: && $Apache::lonhomework::type ne 'exam') {
522: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
523: } else {
524: $optionlist.="<option value='".$escopt."'>$option</option>\n";
525: }
526: }
527: }
528: if ($target ne 'tex') {
529: if ($Apache::lonhomework::type ne 'exam') {
530: # we are on the web, this is not an exam, and the problem can be answered
531: if ($checkboxopt) {
532: # generate checkboxes
533: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
534: my $altopt=$opt[0];
535: if ($opt[0] eq $checkboxopt) {
536: $altopt=$opt[1];
537: }
538: my $defopt=$lastopt;
539: unless ($defopt) { $defopt=$altopt; }
540: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
541: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
542: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
543: # checkboxopt is how the box is labelled
544: # altopt is the alternative option
545: # lastopt is what the user submitted before
546: # defopt is what the field is going to start out with: either previous choice or altopt
547: # fieldname is this input field's name after HWVAL_
548: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
549: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
550: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
551: } else {
552: # classic selection list
553: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
554: $part.'\');" name="HWVAL_'.
555: $Apache::inputtags::response['-1'].':'.$temp.'">'.
556: $optionlist."</select>\n";
557: }
558: } else {
559: $optionlist='<u>'.(' 'x10).'</u>';
560: }
561: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
562: if ($Apache::lonhomework::type ne 'exam') {
563: if (@whichopt > 1) {
564: $text='•'.$text;
565: }
566: }
567: } else {
568: if ($Apache::lonhomework::type ne 'exam') {
569: $text=$optionlist.$text;
570: }
571: }
572: $result.=$break.$text."\n";
573: if ($Apache::lonhomework::type eq 'exam') {
574: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
575: }
576: $temp++;
577: } else {
578: my $texoptionlist='';
579: if ($displayoptionintex &&
580: $Apache::lonhomework::type ne 'exam') {
581: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
582: }
583: if ($text=~/<drawoptionlist\s*\/>/) {
584: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
585: }
586:
587: if ($text=~m/\\item /) {
588: if ($Apache::lonhomework::type eq 'exam') {
589: $text=~s/\\item/\\vskip 2 mm/;
590: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
591: $result.= $texoptionlist.$text;
592: }
593: } else {
594: if ($Apache::lonhomework::type eq 'exam') {
595: $result.= $texoptionlist.' '.$text;
596: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
597: if ($text=~/\S/) {
598: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
599: } else {
600: $result.= $texoptionlist;
601: }
602: }
603: }
604: if ($Apache::lonhomework::type eq 'exam') {
605: $result.='\vskip -1 mm\noindent';
606: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
607: ' \strut ';
608: $internal_counter++;
609: }
610: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
611: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
612: && $Apache::lonhomework::type ne 'exam') {
613: $text =~ s/\\item//m;
614: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
615: $temp++;
616: }
617: $displayoptionintex=0;
618: }
619: }
620: }
621:
622: if ($target eq 'web') {
623: my $data = [\@whichopt,'submissiongrading'];
624: my $questiontype;
625: if ($Apache::lonhomework::type eq 'randomizetry') {
626: $questiontype = $Apache::lonhomework::type,
627: }
628: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
629: }
630:
631: if ($target ne 'tex') {
632: return $result.$break;
633: } else {
634: return $result;
635: }
636: }
637:
638:
639: sub optionlist_correction {
640: my ($TeXlayout,@options) = @_;
641: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
642: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
643: if (scalar(@options) > 0) {
644: foreach my $option (@options) {
645: $texoptionlist.='{\bf '.
646: &Apache::lonxml::latex_special_symbols($option).
647: '}';
648: if ($TeXlayout eq 'vertical') {
649: $texoptionlist.=' \vskip 0 mm ',
650: } else {
651: $texoptionlist.=', ';
652: }
653: }
654: $texoptionlist=~s/, $//;
655: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
656: } else {
657: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
658: }
659: return $texoptionlist;
660: }
661:
662:
663: sub webbubbles {
664: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
665: my @opt=@$ropt;
666: my @alphabet=@$ralphabet;
667: my $result='';
668: my $number_of_bubbles = $#opt + 1;
669: $result.= '<table border="1"><tr>';
670: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
671: my $checked='';
672: if ($lastopt eq $opt[$ind]) {
673: $checked=' checked="on" ';
674: }
675: $result.='<td><input type="radio" name="HWVAL_'.
676: $Apache::inputtags::response['-1'].':'.$temp.
677: '" value="'.$opt[$ind].'" '.$checked.' />';
678: if ($alphabet[$ind]) {
679: $result.=$alphabet[$ind].': ';
680: }
681: $result.=$opt[$ind].'</td>';
682: }
683: $result.='</tr></table>';
684: return $result;
685: }
686:
687:
688: sub bubbles {
689: my ($ralphabet,$ropt,$response, $max_width) = @_;
690: my @alphabet = @$ralphabet;
691: my @opt = @$ropt;
692: my ($result,$head,$line) =('','','');
693: my $number_of_bubbles = $#opt + 1;
694: my $current_length = 0;
695: my $textwidth;
696: if (defined($max_width)) {
697: $textwidth=$max_width;
698: &Apache::lonxml::debug("Max width passed in: $max_width");
699: } elsif ($env{'form.textwidth'} ne '') {
700: $env{'form.textwidth'}=~/(\d+)/;
701: $textwidth=$1;
702: &Apache::lonxml::debug("Max width from form: $textwidth");
703: } else {
704: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
705: $textwidth=$1.'.'.$2;
706: &Apache::lonxml::debug("Max width defaults? $textwidth");
707: }
708: &Apache::lonxml::debug("Final maxwidth: $textwidth");
709: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
710: my $leftmargin;
711: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
712: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
713: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
714:
715: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
716: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
717: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
718: $head.='lr';
719: } else {
720: $line=~s/\&\s*$//;
721: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
722: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
723: $head ='lr';
724: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
725: }
726:
727: }
728: return $result;
729: }
730:
731:
732: sub start_conceptgroup {
733: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
734: $Apache::optionresponse::conceptgroup=1;
735: %Apache::response::conceptgroup=();
736: my $result;
737: if ($target eq 'edit') {
738: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
739: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
740: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
741: }
742: if ($target eq 'modified') {
743: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
744: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
745: }
746: return $result;
747: }
748:
749: sub end_conceptgroup {
750: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
751: $Apache::optionresponse::conceptgroup=0;
752: my $result='';
753: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
754: $target eq 'tex' || $target eq 'analyze') {
755: #if not there aren't any foils to display and thus no question
756: &Apache::response::pick_foil_for_concept($target,
757: ['value','text','location'],
758: \%Apache::hint::option,
759: $parstack,$safeeval);
760: } elsif ($target eq 'edit') {
761: $result=&Apache::edit::end_table();
762: }
763: return $result;
764: }
765:
766: sub insert_conceptgroup {
767: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
768: return $result;
769: }
770:
771: sub start_foil {
772: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
773: my $result='';
774: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
775: &Apache::lonxml::startredirection;
776: if ($target eq 'analyze') {
777: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
778: }
779: } elsif ($target eq 'edit') {
780: $result=&Apache::edit::tag_start($target,$token,"Foil");
781: my $level='-2';
782: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
783: my @opt;
784: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
785: $result.=&Apache::edit::text_arg('Name:','name',$token);
786: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
787: ['unused',(@opt)],$token,'15');
788: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
789: $safeeval,'-3');
790: if ($randomize ne 'no') {
791: $result.=&Apache::edit::select_arg('Location:','location',
792: ['random','top','bottom'],$token);
793: }
794: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
795: } elsif ($target eq 'modified') {
796: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
797: 'value','name','location');
798: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
799: }
800: return $result;
801: }
802:
803: sub end_foil {
804: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
805: my $text ='';
806: my $result = '';
807: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
808: $text=&Apache::lonxml::endredirection;
809: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
810: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
811: }
812: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
813: || $target eq 'tex' || $target eq 'analyze') {
814: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
815: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
816: $text='\vskip 5mm $\triangleright$ '.$text;
817: }
818: if ($value ne 'unused') {
819: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
820: &Apache::lonxml::debug("Got a name of :$name:");
821: if ($name eq "") {
822: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
823: $name=$Apache::lonxml::curdepth;
824: }
825: &Apache::lonxml::debug("Using a name of :$name:");
826: if (defined($Apache::response::foilnames{$name})) {
827: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
828: }
829: $Apache::response::foilnames{$name}++;
830: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
831: if ( $Apache::optionresponse::conceptgroup
832: && !&Apache::response::showallfoils() ) {
833: push @{ $Apache::response::conceptgroup{'names'} }, $name;
834: $Apache::response::conceptgroup{"$name.value"} = $value;
835: $Apache::response::conceptgroup{"$name.text"} = $text;
836: $Apache::response::conceptgroup{"$name.location"} = $location;
837: } else {
838: push @{ $Apache::response::foilgroup{'names'} }, $name;
839: $Apache::response::foilgroup{"$name.value"} = $value;
840: $Apache::response::foilgroup{"$name.text"} = $text;
841: $Apache::response::foilgroup{"$name.location"} = $location;
842: }
843: }
844: }
845: if ($target eq 'edit') {
846: $result.= &Apache::edit::tag_end($target,$token,'');
847: }
848: return $result;
849: }
850:
851: sub start_drawoptionlist {
852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
853: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
854: return $token->[4];
855: }
856: }
857:
858: sub end_drawoptionlist {
859: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
860: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
861: return $token->[2];
862: }
863: }
864:
865: sub insert_foil {
866: return '
867: <foil name="" value="unused">
868: <startouttext />
869: <endouttext />
870: </foil>';
871: }
872:
873: sub insert_drawoptionlist {
874: return '<drawoptionlist />';
875: }
876: 1;
877: __END__
878:
879: =head1 NAME
880:
881: Apache::optionresponse.pm;
882:
883: =head1 SYNOPSIS
884:
885: Handles tags associated with showing a list of
886: options.
887:
888: This is part of the LearningOnline Network with CAPA project
889: described at http://www.lon-capa.org.
890:
891: =head1 HANDLER SUBROUTINE
892:
893: start_optionresponse()
894:
895: =head1 OTHER SUBROUTINES
896:
897: =over
898:
899: =item end_optionresponse()
900:
901: =item start_foilgroup()
902:
903: =item end_foilgroup()
904:
905: =item getfoilcounts()
906:
907: =item displayanswers()
908:
909: =item check_for_invalid()
910:
911: =item displayfoils()
912:
913: =item optionlist_correction()
914:
915: =item webbubbles()
916:
917: =item bubbles()
918:
919: =item start_conceptgroup()
920:
921: =item end_conceptgroup()
922:
923: =item insert_conceptgroup()
924:
925: =item start_foil()
926:
927: =item end_foil()
928:
929: =item start_drawoptionlist()
930:
931: =item end_drawoptionlist()
932:
933: =item insert_foil()
934:
935: =item insert_drawoptionlist()
936:
937: =back
938:
939: =cut
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