1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.173 2010/12/19 00:52:00 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"}) {
159: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
160: if ($options[0]) {
161: push(@options,$newopt);
162: } else {
163: $options[0]=$newopt;
164: }
165: $optchanged=1;
166: }
167: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
168: 'texoptions','checkboxvalue','checkboxoptions');
169: if ($optchanged || $rebuildtag ) {
170: $result = "<foilgroup options=\"(";
171: foreach my $option (@options) {
172: $option=~s/\'/\\\'/g;
173: &Apache::lonxml::debug("adding option :$option:");
174: $result .="'".$option."',";
175: }
176: chop $result;
177: $result.=')" ';
178: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
179: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
180: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
181: $result .= '>';
182: } # else nothing changed so just use the default mechanism
183: }
184: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
185: if($env{'form.pdfFormFields'} ne 'yes') {
186: $result .= ' \begin{itemize} ';
187: } else {
188: $result .= "\\\\";
189: }
190: }
191: return $result;
192: }
193:
194: sub end_foilgroup {
195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
196:
197: my $result;
198: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
199: $target eq 'tex' || $target eq 'analyze') {
200: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
201: my $name;
202: my @opt;
203: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
204: &Apache::lonxml::debug("options:".join(':',@opt));
205:
206: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
207: -2,0);
208: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
209: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
210: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
211: &Apache::lonxml::debug("Options are $#opt");
212: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
213: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
214: $safeeval,'-2');
215: if ($target eq 'web' || $target eq 'tex') {
216: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt);
217: $Apache::lonxml::post_evaluate=0;
218: } elsif ( $target eq 'answer') {
219: $result.=&displayanswers($max,$randomize,@opt);
220:
221: } elsif ( $target eq 'analyze') {
222: my @shown = &whichfoils($max,$randomize);
223: &Apache::response::analyze_store_foilgroup(\@shown,
224: ['text','value','location']);
225: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
226: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
227: } elsif ( $target eq 'grade') {
228: if ( &Apache::response::submitted()) {
229: my @whichopt = &whichfoils($max,$randomize);
230: my $temp=1;my $name;
231: my %responsehash;
232: my %grade;
233: my $right=0;
234: my $wrong=0;
235: my $ignored=0;
236: foreach $name (@whichopt) {
237: my $response=&Apache::response::getresponse($temp);
238: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
239: $response = $opt[$response];
240: }
241: if ( $response =~ /[^\s]/) {
242: $responsehash{$name}=$response;
243: my $value=$Apache::response::foilgroup{$name.'.value'};
244: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
245: if ($value eq $response) {
246: $grade{$name}='1'; $right++;
247: } else {
248: $grade{$name}='0'; $wrong++;
249: }
250: } else {
251: $ignored++;
252: }
253: $temp++;
254: }
255: my $part=$Apache::inputtags::part;
256: my $id = $Apache::inputtags::response['-1'];
257: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
258: my $gradestr =&Apache::lonnet::hash2str(%grade);
259: my %previous=&Apache::response::check_for_previous($responsestr,
260: $part,$id);
261: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
262: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
263: $responsestr;
264: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
265: if ($Apache::lonhomework::type eq 'randomizetry') {
266: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
267: }
268: if (($Apache::lonhomework::type eq 'survey') ||
269: ($Apache::lonhomework::type eq 'surveycred') ||
270: ($Apache::lonhomework::type eq 'anonsurvey') ||
271: ($Apache::lonhomework::type eq 'anonsurveycred')) {
272: if ($ignored == 0) {
273: my $ad;
274: if ($Apache::lonhomework::type eq 'anonsurveycred') {
275: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
276: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
277: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
278: } elsif ($Apache::lonhomework::type eq 'surveycred') {
279: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
280: } else {
281: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
282: }
283: &Apache::response::handle_previous(\%previous,$ad);
284: } elsif ($wrong==0 && $right==0) {
285: } else {
286: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
287: &Apache::response::handle_previous(\%previous,$ad);
288: }
289: } elsif (!$Apache::lonhomework::scantronmode) {
290: my $ad;
291: if ($wrong==0 && $ignored==0) {
292: $ad='EXACT_ANS';
293: } elsif ($wrong==0 && $right==0) {
294: #nothing submitted
295: } else {
296: if ($ignored==0) {
297: $ad='INCORRECT';
298: } else {
299: $ad='MISSING_ANSWER';
300: }
301: }
302: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
303: &Apache::response::handle_previous(\%previous,$ad);
304: } else {
305: my $ad;
306: if ($wrong==0 && $right==0) {
307: #nothing submitted only assign a score if we
308: #need to override a previous grade
309: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
310: $ad='ASSIGNED_SCORE';
311: }
312: } else {
313: $ad='ASSIGNED_SCORE';
314: }
315: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
316: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
317: $right/(scalar(@whichopt));
318: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
319: scalar(@whichopt);
320: }
321: }
322: }
323: my $part_id = $Apache::inputtags::part;
324: my $response_id = $Apache::inputtags::response[-1];
325: &Apache::lonxml::increment_counter(&getfoilcounts($max),
326: "$part_id.$response_id");
327: if ($target eq 'analyze') {
328: &Apache::lonhomework::set_bubble_lines();
329: }
330:
331: } elsif ($target eq 'edit') {
332: $result.=&Apache::edit::end_table();
333: }
334: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
335: if($env{'form.pdfFormFields'} ne 'yes') {
336: $result .= '\end{itemize}';
337: } else {
338: $result .= "\\\\";
339: }
340: }
341: &Apache::response::poprandomnumber();
342: return $result;
343: }
344:
345: sub getfoilcounts {
346: my ($max)=@_;
347: # +1 since instructors will count from 1
348: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
349: if (&Apache::response::showallfoils()) { $max=$count; }
350: if ($count>$max) { $count=$max }
351: &Apache::lonxml::debug("Count is $count from $max");
352: return $count;
353: }
354:
355: sub whichfoils {
356: my ($max,$randomize)=@_;
357: return &Apache::response::whichorder($max,$randomize,
358: &Apache::response::showallfoils(),
359: \%Apache::response::foilgroup);
360: }
361:
362: sub displayanswers {
363: my ($max,$randomize,@opt)=@_;
364: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
365: my @names = @{ $Apache::response::foilgroup{'names'} };
366: my @whichopt = &whichfoils($max,$randomize);
367: my $result;
368: if ($Apache::lonhomework::type eq 'exam') {
369: my $i = 0;
370: my %opt = map { ($_,$i++) } @opt;
371:
372: $i = 0;
373: my @alphabet = ('A'..'Z');
374: foreach my $name (@whichopt) {
375: $result.=&Apache::response::answer_header('optionresponse',$i++);
376: $result.=&Apache::response::answer_part('optionresponse',
377: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
378: $result.=&Apache::response::answer_part('optionresponse',
379: $Apache::response::foilgroup{$name.'.value'});
380: $result.=&Apache::response::answer_footer('optionresponse');
381: }
382: } else {
383: $result=&Apache::response::answer_header('optionresponse');
384: foreach my $name (@whichopt) {
385: $result.=&Apache::response::answer_part('optionresponse',
386: $Apache::response::foilgroup{$name.'.value'});
387: }
388: $result.=&Apache::response::answer_footer('optionresponse');
389: }
390: return $result;
391: }
392:
393: sub check_box_opt {
394: my ($target,$checkboxvalue,@opt)=@_;
395: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
396: # If so, return "checked" value
397: if ($#opt!=1) { return ''; }
398: if ($target ne 'web') { return ''; }
399: return $checkboxvalue;
400: }
401:
402: sub check_for_invalid {
403: my ($names,$options) = @_;
404: my %bad_names;
405: foreach my $name (@{ $names }) {
406: my $value=$Apache::response::foilgroup{$name.'.value'};
407: my $found=0;
408: foreach my $option (@{ $options }) {
409: if ($value eq $option) { $found=1; }
410: }
411: if (!$found) { $bad_names{$name}=$value; }
412: }
413: if (%bad_names) {
414: my $error=&mt('The question can not be gotten correct, '.
415: 'the following foils in the <optionresponse> '.
416: 'have invalid correct options').' <br /><tt>'.
417: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
418: "</tt>";
419: &Apache::lonxml::error($error);
420: }
421: }
422:
423: sub displayfoils {
424: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt)=@_;
425: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
426: my @names = @{ $Apache::response::foilgroup{'names'} };
427: my @truelist;
428: my @falselist;
429: my $result;
430: my $name;
431: my $displayoptionintex=1;
432: my @alphabet = ('A'..'Z');
433: my @whichopt = &whichfoils($max,$randomize);
434: &check_for_invalid(\@whichopt,\@opt);
435: my $part=$Apache::inputtags::part;
436: my $id=$Apache::inputtags::response[-1];
437: my $break;
438: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
439: if ( ($target ne 'tex') &&
440: &Apache::response::show_answer() ) {
441: my $temp=1;
442: foreach $name (@whichopt) {
443: my $text=$Apache::response::foilgroup{$name.'.text'};
444: my $lastresp;
445: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
446: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
447: }
448: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
449: my $lastopt=$lastresponse{$name};
450: if ($text!~/^\s*$/) { $break='<br />'; }
451: $result.=$break;
452: if ($target eq 'web') {
453: my $value=$Apache::response::foilgroup{$name.'.value'};
454: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
455: if ($text=~/^\s*$/) {
456: $text=$value.$text;
457: } else {
458: $text='<b>'.$value.':</b> '.$text;
459: }
460: } else {
461: if (@whichopt > 1) {
462: $text='•'.$text;
463: }
464: }
465: $result.=$text."\n";
466: }
467: if ($Apache::lonhomework::type eq 'exam') {
468: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
469: }
470: $temp++;
471: }
472: } else {
473: my $temp=1;
474: my %lastresponse;
475: my $newvariation;
476: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
477: ($Apache::lonhomework::type eq 'randomizetry')) &&
478: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
479: if ($env{'form.'.$part.'.rndseed'} ne
480: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
481: $newvariation = 1;
482: }
483: }
484: unless ($newvariation) {
485: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
486: }
487: my $internal_counter=$Apache::lonxml::counter;
488: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
489: if ($checkboxopt) {
490: $result.='<br />'.
491: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
492: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
493: }
494: foreach $name (@whichopt) {
495: my $text=$Apache::response::foilgroup{$name.'.text'};
496: if ($text!~/^\s*$/) {
497: if ($target eq 'tex') {
498: $break='\vskip 0 mm ';
499: } elsif ($target eq 'web') {
500: $break='<br />';
501: }
502: }
503: my $lastopt=$lastresponse{$name};
504: my $optionlist="<option></option>\n";
505:
506: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
507: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
508: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
509: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
510: }
511:
512: foreach my $option (@opt) {
513: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
514: if ($option eq $lastopt) {
515: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
516: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
517: && $Apache::lonhomework::type ne 'exam') {
518: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
519: } else {
520: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
521: }
522: } else {
523: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
524: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
525: && $Apache::lonhomework::type ne 'exam') {
526: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
527: } else {
528: $optionlist.="<option value='".$escopt."'>$option</option>\n";
529: }
530: }
531: }
532: if ($target ne 'tex') {
533: if ($Apache::lonhomework::type ne 'exam') {
534: # we are on the web, this is not an exam, and the problem can be answered
535: if ($checkboxopt) {
536: # generate checkboxes
537: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
538: my $altopt=$opt[0];
539: if ($opt[0] eq $checkboxopt) {
540: $altopt=$opt[1];
541: }
542: my $defopt=$lastopt;
543: unless ($defopt) { $defopt=$altopt; }
544: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
545: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
546: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
547: # checkboxopt is how the box is labelled
548: # altopt is the alternative option
549: # lastopt is what the user submitted before
550: # defopt is what the field is going to start out with: either previous choice or altopt
551: # fieldname is this input field's name after HWVAL_
552: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
553: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
554: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
555: } else {
556: # classic selection list
557: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
558: $part.'\');" name="HWVAL_'.
559: $Apache::inputtags::response['-1'].':'.$temp.'">'.
560: $optionlist."</select>\n";
561: }
562: } else {
563: $optionlist='<u>'.(' 'x10).'</u>';
564: }
565: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
566: if ($Apache::lonhomework::type ne 'exam') {
567: if (@whichopt > 1) {
568: $text='•'.$text;
569: }
570: }
571: } else {
572: if ($Apache::lonhomework::type ne 'exam') {
573: $text=$optionlist.$text;
574: }
575: }
576: $result.=$break.$text."\n";
577: if ($Apache::lonhomework::type eq 'exam') {
578: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
579: }
580: $temp++;
581: } else {
582: my $texoptionlist='';
583: if ($displayoptionintex &&
584: $Apache::lonhomework::type ne 'exam') {
585: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
586: }
587: if ($text=~/<drawoptionlist\s*\/>/) {
588: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
589: }
590:
591: if ($text=~m/\\item /) {
592: if ($Apache::lonhomework::type eq 'exam') {
593: $text=~s/\\item/\\vskip 2 mm/;
594: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
595: $result.= $texoptionlist.$text;
596: }
597: } else {
598: if ($Apache::lonhomework::type eq 'exam') {
599: $result.= $texoptionlist.' '.$text;
600: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
601: if ($text=~/\S/) {
602: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
603: } else {
604: $result.= $texoptionlist;
605: }
606: }
607: }
608: if ($Apache::lonhomework::type eq 'exam') {
609: $result.='\vskip -1 mm\noindent';
610: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
611: ' \strut ';
612: $internal_counter++;
613: }
614: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
615: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
616: && $Apache::lonhomework::type ne 'exam') {
617: $text =~ s/\\item//m;
618: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
619: $temp++;
620: }
621: $displayoptionintex=0;
622: }
623: }
624: }
625:
626: if ($target eq 'web') {
627: my $data = [\@whichopt,'submissiongrading'];
628: my $questiontype;
629: if ($Apache::lonhomework::type eq 'randomizetry') {
630: $questiontype = $Apache::lonhomework::type,
631: }
632: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
633: }
634:
635: if ($target ne 'tex') {
636: return $result.$break;
637: } else {
638: return $result;
639: }
640: }
641:
642:
643: sub optionlist_correction {
644: my ($TeXlayout,@options) = @_;
645: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
646: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
647: if (scalar(@options) > 0) {
648: foreach my $option (@options) {
649: $texoptionlist.='{\bf '.
650: &Apache::lonxml::latex_special_symbols($option).
651: '}';
652: if ($TeXlayout eq 'vertical') {
653: $texoptionlist.=' \vskip 0 mm ',
654: } else {
655: $texoptionlist.=', ';
656: }
657: }
658: $texoptionlist=~s/, $//;
659: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
660: } else {
661: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
662: }
663: return $texoptionlist;
664: }
665:
666:
667: sub webbubbles {
668: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
669: my @opt=@$ropt;
670: my @alphabet=@$ralphabet;
671: my $result='';
672: my $number_of_bubbles = $#opt + 1;
673: $result.= '<table border="1"><tr>';
674: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
675: my $checked='';
676: if ($lastopt eq $opt[$ind]) {
677: $checked=' checked="on" ';
678: }
679: $result.='<td><input type="radio" name="HWVAL_'.
680: $Apache::inputtags::response['-1'].':'.$temp.
681: '" value="'.$opt[$ind].'" '.$checked.' />';
682: if ($alphabet[$ind]) {
683: $result.=$alphabet[$ind].': ';
684: }
685: $result.=$opt[$ind].'</td>';
686: }
687: $result.='</tr></table>';
688: return $result;
689: }
690:
691:
692: sub bubbles {
693: my ($ralphabet,$ropt,$response, $max_width) = @_;
694: my @alphabet = @$ralphabet;
695: my @opt = @$ropt;
696: my ($result,$head,$line) =('','','');
697: my $number_of_bubbles = $#opt + 1;
698: my $current_length = 0;
699: my $textwidth;
700: if (defined($max_width)) {
701: $textwidth=$max_width;
702: &Apache::lonxml::debug("Max width passed in: $max_width");
703: } elsif ($env{'form.textwidth'} ne '') {
704: $env{'form.textwidth'}=~/(\d+)/;
705: $textwidth=$1;
706: &Apache::lonxml::debug("Max width from form: $textwidth");
707: } else {
708: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
709: $textwidth=$1.'.'.$2;
710: &Apache::lonxml::debug("Max width defaults? $textwidth");
711: }
712: &Apache::lonxml::debug("Final maxwidth: $textwidth");
713: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
714: my $leftmargin;
715: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
716: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
717: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
718:
719: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
720: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
721: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
722: $head.='lr';
723: } else {
724: $line=~s/\&\s*$//;
725: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
726: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
727: $head ='lr';
728: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
729: }
730:
731: }
732: return $result;
733: }
734:
735:
736: sub start_conceptgroup {
737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
738: $Apache::optionresponse::conceptgroup=1;
739: %Apache::response::conceptgroup=();
740: my $result;
741: if ($target eq 'edit') {
742: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
743: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
744: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
745: }
746: if ($target eq 'modified') {
747: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
748: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
749: }
750: return $result;
751: }
752:
753: sub end_conceptgroup {
754: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
755: $Apache::optionresponse::conceptgroup=0;
756: my $result='';
757: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
758: $target eq 'tex' || $target eq 'analyze') {
759: #if not there aren't any foils to display and thus no question
760: &Apache::response::pick_foil_for_concept($target,
761: ['value','text','location'],
762: \%Apache::hint::option,
763: $parstack,$safeeval);
764: } elsif ($target eq 'edit') {
765: $result=&Apache::edit::end_table();
766: }
767: return $result;
768: }
769:
770: sub insert_conceptgroup {
771: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
772: return $result;
773: }
774:
775: sub start_foil {
776: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
777: my $result='';
778: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
779: &Apache::lonxml::startredirection;
780: if ($target eq 'analyze') {
781: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
782: }
783: } elsif ($target eq 'edit') {
784: $result=&Apache::edit::tag_start($target,$token,"Foil");
785: my $level='-2';
786: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
787: my @opt;
788: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
789: $result.=&Apache::edit::text_arg('Name:','name',$token);
790: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
791: ['unused',(@opt)],$token,'15');
792: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
793: $safeeval,'-3');
794: if ($randomize ne 'no') {
795: $result.=&Apache::edit::select_arg('Location:','location',
796: ['random','top','bottom'],$token);
797: }
798: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
799: } elsif ($target eq 'modified') {
800: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
801: 'value','name','location');
802: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
803: }
804: return $result;
805: }
806:
807: sub end_foil {
808: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
809: my $text ='';
810: my $result = '';
811: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
812: $text=&Apache::lonxml::endredirection;
813: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
814: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
815: }
816: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
817: || $target eq 'tex' || $target eq 'analyze') {
818: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
819: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
820: $text='\vskip 5mm $\triangleright$ '.$text;
821: }
822: if ($value ne 'unused') {
823: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
824: &Apache::lonxml::debug("Got a name of :$name:");
825: if ($name eq "") {
826: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
827: $name=$Apache::lonxml::curdepth;
828: }
829: &Apache::lonxml::debug("Using a name of :$name:");
830: if (defined($Apache::response::foilnames{$name})) {
831: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
832: }
833: $Apache::response::foilnames{$name}++;
834: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
835: if ( $Apache::optionresponse::conceptgroup
836: && !&Apache::response::showallfoils() ) {
837: push @{ $Apache::response::conceptgroup{'names'} }, $name;
838: $Apache::response::conceptgroup{"$name.value"} = $value;
839: $Apache::response::conceptgroup{"$name.text"} = $text;
840: $Apache::response::conceptgroup{"$name.location"} = $location;
841: } else {
842: push @{ $Apache::response::foilgroup{'names'} }, $name;
843: $Apache::response::foilgroup{"$name.value"} = $value;
844: $Apache::response::foilgroup{"$name.text"} = $text;
845: $Apache::response::foilgroup{"$name.location"} = $location;
846: }
847: }
848: }
849: if ($target eq 'edit') {
850: $result.= &Apache::edit::tag_end($target,$token,'');
851: }
852: return $result;
853: }
854:
855: sub start_drawoptionlist {
856: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
857: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
858: return $token->[4];
859: }
860: }
861:
862: sub end_drawoptionlist {
863: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
864: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
865: return $token->[2];
866: }
867: }
868:
869: sub insert_foil {
870: return '
871: <foil name="" value="unused">
872: <startouttext />
873: <endouttext />
874: </foil>';
875: }
876:
877: sub insert_drawoptionlist {
878: return '<drawoptionlist />';
879: }
880: 1;
881: __END__
882:
883: =head1 NAME
884:
885: Apache::optionresponse.pm;
886:
887: =head1 SYNOPSIS
888:
889: Handles tags associated with showing a list of
890: options.
891:
892: This is part of the LearningOnline Network with CAPA project
893: described at http://www.lon-capa.org.
894:
895: =head1 HANDLER SUBROUTINE
896:
897: start_optionresponse()
898:
899: =head1 OTHER SUBROUTINES
900:
901: =over
902:
903: =item end_optionresponse()
904:
905: =item start_foilgroup()
906:
907: =item end_foilgroup()
908:
909: =item getfoilcounts()
910:
911: =item displayanswers()
912:
913: =item check_for_invalid()
914:
915: =item displayfoils()
916:
917: =item optionlist_correction()
918:
919: =item webbubbles()
920:
921: =item bubbles()
922:
923: =item start_conceptgroup()
924:
925: =item end_conceptgroup()
926:
927: =item insert_conceptgroup()
928:
929: =item start_foil()
930:
931: =item end_foil()
932:
933: =item start_drawoptionlist()
934:
935: =item end_drawoptionlist()
936:
937: =item insert_foil()
938:
939: =item insert_drawoptionlist()
940:
941: =back
942:
943: =cut
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