1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.172 2010/09/05 20:46:58 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29:
30:
31:
32:
33: package Apache::optionresponse;
34: use strict;
35: use Apache::response();
36: use Apache::lonlocal;
37: use Apache::lonnet;
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
41: }
42:
43: sub start_optionresponse {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result='';
46: #when in a option response use these
47: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
48: push (@Apache::lonxml::namespace,'optionresponse');
49: my $id = &Apache::response::start_response($parstack,$safeeval);
50: %Apache::hint::option=();
51: undef(%Apache::response::foilnames);
52: if ($target eq 'edit') {
53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
55: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
56: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
57: .&Apache::edit::deletelist($target,$token)
58: .'</span></td>'
59: ."<td> "
60: .&Apache::edit::end_row()
61: .&Apache::edit::start_spanning_row()
62: ."\n";
63: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
64: $token,'4').
65: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
66: ['yes','no'],$token).
67: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
68: [['horizontal','Normal list'],
69: ['vertical','Listed in a vertical column']],$token).
70: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
71: } elsif ($target eq 'modified') {
72: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
73: $safeeval,'max','randomize',
74: 'TeXlayout');
75: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
76: } elsif ($target eq 'meta') {
77: $result=&Apache::response::meta_package_write('optionresponse');
78: } elsif ($target eq 'analyze') {
79: my $part_id="$Apache::inputtags::part.$id";
80: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
81: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
82: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
83:
84: }
85: return $result;
86: }
87:
88: sub end_optionresponse {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
90: &Apache::response::end_response;
91: pop @Apache::lonxml::namespace;
92: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
93: my $result;
94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
95: undef(%Apache::response::foilnames);
96: return $result;
97: }
98:
99: %Apache::response::foilgroup=();
100: sub start_foilgroup {
101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
102:
103: my $result='';
104: %Apache::response::foilgroup=();
105: $Apache::optionresponse::conceptgroup=0;
106: &Apache::response::pushrandomnumber();
107: if ($target eq 'edit') {
108: my $optionlist="<option></option>\n";
109: my $option;
110: my @opt;
111: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
112: my $count=1;
113: foreach $option (@opt) {
114: $optionlist.="<option value=\"$count\">$option</option>\n";
115: $count++;
116: }
117: my $insertlist=&Apache::edit::insertlist($target,$token);
118: $result.=&Apache::edit::start_table($token);
119: $result.= (<<ENDTABLE);
120: <tr><td>Select Options</td>
121: <td>
122: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
123: </td>
124: <td>Delete an Option:
125: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
126: </td>
127: ENDTABLE
128: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
129: [ ['nochoice','Don\'t show option list'] ]
130: ,$token).'</td>';
131: $result.= '<td><label>'.&mt('Two-option checkboxes for:').
132: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
133: foreach $option (('',@opt)) {
134: $result.='<option value="'.$option.'"';
135: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
136: $result.=' selected="selected"';
137: }
138: $result.='>'.$option.'</option>';
139: }
140: $result.='</select></label>';
141: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
142: [ ['nochoice','Don\'t show option list'] ]
143: ,$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:
266: if (($Apache::lonhomework::type eq 'survey') ||
267: ($Apache::lonhomework::type eq 'surveycred') ||
268: ($Apache::lonhomework::type eq 'anonsurvey') ||
269: ($Apache::lonhomework::type eq 'anonsurveycred')) {
270: if ($ignored == 0) {
271: my $ad;
272: if ($Apache::lonhomework::type eq 'anonsurveycred') {
273: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
274: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
275: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
276: } elsif ($Apache::lonhomework::type eq 'surveycred') {
277: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
278: } else {
279: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
280: }
281: &Apache::response::handle_previous(\%previous,$ad);
282: } elsif ($wrong==0 && $right==0) {
283: } else {
284: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
285: &Apache::response::handle_previous(\%previous,$ad);
286: }
287: } elsif (!$Apache::lonhomework::scantronmode) {
288: my $ad;
289: if ($wrong==0 && $ignored==0) {
290: $ad='EXACT_ANS';
291: } elsif ($wrong==0 && $right==0) {
292: #nothing submitted
293: } else {
294: if ($ignored==0) {
295: $ad='INCORRECT';
296: } else {
297: $ad='MISSING_ANSWER';
298: }
299: }
300: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
301: &Apache::response::handle_previous(\%previous,$ad);
302: } else {
303: my $ad;
304: if ($wrong==0 && $right==0) {
305: #nothing submitted only assign a score if we
306: #need to override a previous grade
307: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
308: $ad='ASSIGNED_SCORE';
309: }
310: } else {
311: $ad='ASSIGNED_SCORE';
312: }
313: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
314: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
315: $right/(scalar(@whichopt));
316: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
317: scalar(@whichopt);
318: }
319: }
320: }
321: my $part_id = $Apache::inputtags::part;
322: my $response_id = $Apache::inputtags::response[-1];
323: &Apache::lonxml::increment_counter(&getfoilcounts($max),
324: "$part_id.$response_id");
325: if ($target eq 'analyze') {
326: &Apache::lonhomework::set_bubble_lines();
327: }
328:
329: } elsif ($target eq 'edit') {
330: $result.=&Apache::edit::end_table();
331: }
332: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
333: if($env{'form.pdfFormFields'} ne 'yes') {
334: $result .= '\end{itemize}';
335: } else {
336: $result .= "\\\\";
337: }
338: }
339: &Apache::response::poprandomnumber();
340: return $result;
341: }
342:
343: sub getfoilcounts {
344: my ($max)=@_;
345: # +1 since instructors will count from 1
346: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
347: if (&Apache::response::showallfoils()) { $max=$count; }
348: if ($count>$max) { $count=$max }
349: &Apache::lonxml::debug("Count is $count from $max");
350: return $count;
351: }
352:
353: sub whichfoils {
354: my ($max,$randomize)=@_;
355: return &Apache::response::whichorder($max,$randomize,
356: &Apache::response::showallfoils(),
357: \%Apache::response::foilgroup);
358: }
359:
360: sub displayanswers {
361: my ($max,$randomize,@opt)=@_;
362: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
363: my @names = @{ $Apache::response::foilgroup{'names'} };
364: my @whichopt = &whichfoils($max,$randomize);
365: my $result;
366: if ($Apache::lonhomework::type eq 'exam') {
367: my $i = 0;
368: my %opt = map { ($_,$i++) } @opt;
369:
370: $i = 0;
371: my @alphabet = ('A'..'Z');
372: foreach my $name (@whichopt) {
373: $result.=&Apache::response::answer_header('optionresponse',$i++);
374: $result.=&Apache::response::answer_part('optionresponse',
375: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
376: $result.=&Apache::response::answer_part('optionresponse',
377: $Apache::response::foilgroup{$name.'.value'});
378: $result.=&Apache::response::answer_footer('optionresponse');
379: }
380: } else {
381: $result=&Apache::response::answer_header('optionresponse');
382: foreach my $name (@whichopt) {
383: $result.=&Apache::response::answer_part('optionresponse',
384: $Apache::response::foilgroup{$name.'.value'});
385: }
386: $result.=&Apache::response::answer_footer('optionresponse');
387: }
388: return $result;
389: }
390:
391: sub check_box_opt {
392: my ($target,$checkboxvalue,@opt)=@_;
393: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
394: # If so, return "checked" value
395: if ($#opt!=1) { return ''; }
396: if ($target ne 'web') { return ''; }
397: return $checkboxvalue;
398: }
399:
400: sub check_for_invalid {
401: my ($names,$options) = @_;
402: my %bad_names;
403: foreach my $name (@{ $names }) {
404: my $value=$Apache::response::foilgroup{$name.'.value'};
405: my $found=0;
406: foreach my $option (@{ $options }) {
407: if ($value eq $option) { $found=1; }
408: }
409: if (!$found) { $bad_names{$name}=$value; }
410: }
411: if (%bad_names) {
412: my $error=&mt('The question can not be gotten correct, '.
413: 'the following foils in the <optionresponse> '.
414: 'have invalid correct options').' <br /><tt>'.
415: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
416: "</tt>";
417: &Apache::lonxml::error($error);
418: }
419: }
420:
421: sub displayfoils {
422: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,@opt)=@_;
423: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
424: my @names = @{ $Apache::response::foilgroup{'names'} };
425: my @truelist;
426: my @falselist;
427: my $result;
428: my $name;
429: my $displayoptionintex=1;
430: my @alphabet = ('A'..'Z');
431: my @whichopt = &whichfoils($max,$randomize);
432: &check_for_invalid(\@whichopt,\@opt);
433: my $part=$Apache::inputtags::part;
434: my $id=$Apache::inputtags::response[-1];
435: my $break;
436: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
437: if ( ($target ne 'tex') &&
438: &Apache::response::show_answer() ) {
439: my $temp=1;
440: foreach $name (@whichopt) {
441: my $text=$Apache::response::foilgroup{$name.'.text'};
442: my $lastresp;
443: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
444: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
445: }
446: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
447: my $lastopt=$lastresponse{$name};
448: if ($text!~/^\s*$/) { $break='<br />'; }
449: $result.=$break;
450: if ($target eq 'web') {
451: my $value=$Apache::response::foilgroup{$name.'.value'};
452: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
453: if ($text=~/^\s*$/) {
454: $text=$value.$text;
455: } else {
456: $text='<b>'.$value.':</b> '.$text;
457: }
458: } else {
459: if (@whichopt > 1) {
460: $text='•'.$text;
461: }
462: }
463: $result.=$text."\n";
464: }
465: if ($Apache::lonhomework::type eq 'exam') {
466: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
467: }
468: $temp++;
469: }
470: } else {
471: my $temp=1;
472: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
473: my $internal_counter=$Apache::lonxml::counter;
474: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
475: if ($checkboxopt) {
476: $result.='<br />'.
477: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
478: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
479: }
480: foreach $name (@whichopt) {
481: my $text=$Apache::response::foilgroup{$name.'.text'};
482: if ($text!~/^\s*$/) {
483: if ($target eq 'tex') {
484: $break='\vskip 0 mm ';
485: } elsif ($target eq 'web') {
486: $break='<br />';
487: }
488: }
489: my $lastopt=$lastresponse{$name};
490: my $optionlist="<option></option>\n";
491:
492: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
493: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
494: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
495: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
496: }
497:
498: foreach my $option (@opt) {
499: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
500: if ($option eq $lastopt) {
501: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
502: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
503: && $Apache::lonhomework::type ne 'exam') {
504: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
505: } else {
506: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
507: }
508: } else {
509: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
510: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
511: && $Apache::lonhomework::type ne 'exam') {
512: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
513: } else {
514: $optionlist.="<option value='".$escopt."'>$option</option>\n";
515: }
516: }
517: }
518: if ($target ne 'tex') {
519: if ($Apache::lonhomework::type ne 'exam') {
520: # we are on the web, this is not an exam, and the problem can be answered
521: if ($checkboxopt) {
522: # generate checkboxes
523: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
524: my $altopt=$opt[0];
525: if ($opt[0] eq $checkboxopt) {
526: $altopt=$opt[1];
527: }
528: my $defopt=$lastopt;
529: unless ($defopt) { $defopt=$altopt; }
530: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
531: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
532: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
533: # checkboxopt is how the box is labelled
534: # altopt is the alternative option
535: # lastopt is what the user submitted before
536: # defopt is what the field is going to start out with: either previous choice or altopt
537: # fieldname is this input field's name after HWVAL_
538: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
539: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
540: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
541: } else {
542: # classic selection list
543: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
544: $part.'\');" name="HWVAL_'.
545: $Apache::inputtags::response['-1'].':'.$temp.'">'.
546: $optionlist."</select>\n";
547: }
548: } else {
549: $optionlist='<u>'.(' 'x10).'</u>';
550: }
551: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
552: if ($Apache::lonhomework::type ne 'exam') {
553: if (@whichopt > 1) {
554: $text='•'.$text;
555: }
556: }
557: } else {
558: if ($Apache::lonhomework::type ne 'exam') {
559: $text=$optionlist.$text;
560: }
561: }
562: $result.=$break.$text."\n";
563: if ($Apache::lonhomework::type eq 'exam') {
564: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
565: }
566: $temp++;
567: } else {
568: my $texoptionlist='';
569: if ($displayoptionintex &&
570: $Apache::lonhomework::type ne 'exam') {
571: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
572: }
573: if ($text=~/<drawoptionlist\s*\/>/) {
574: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
575: }
576:
577: if ($text=~m/\\item /) {
578: if ($Apache::lonhomework::type eq 'exam') {
579: $text=~s/\\item/\\vskip 2 mm/;
580: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
581: $result.= $texoptionlist.$text;
582: }
583: } else {
584: if ($Apache::lonhomework::type eq 'exam') {
585: $result.= $texoptionlist.' '.$text;
586: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
587: if ($text=~/\S/) {
588: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
589: } else {
590: $result.= $texoptionlist;
591: }
592: }
593: }
594: if ($Apache::lonhomework::type eq 'exam') {
595: $result.='\vskip -1 mm\noindent';
596: $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
597: ' \strut ';
598: $internal_counter++;
599: }
600: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
601: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
602: && $Apache::lonhomework::type ne 'exam') {
603: $text =~ s/\\item//m;
604: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
605: $temp++;
606: }
607: $displayoptionintex=0;
608: }
609: }
610: }
611:
612: if ($target eq 'web') {
613: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,
614: [\@whichopt,
615: 'submissiongrading']);
616: }
617:
618: if ($target ne 'tex') {
619: return $result.$break;
620: } else {
621: return $result;
622: }
623: }
624:
625:
626: sub optionlist_correction {
627: my ($TeXlayout,@options) = @_;
628: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
629: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
630: if (scalar(@options) > 0) {
631: foreach my $option (@options) {
632: $texoptionlist.='{\bf '.
633: &Apache::lonxml::latex_special_symbols($option).
634: '}';
635: if ($TeXlayout eq 'vertical') {
636: $texoptionlist.=' \vskip 0 mm ',
637: } else {
638: $texoptionlist.=', ';
639: }
640: }
641: $texoptionlist=~s/, $//;
642: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
643: } else {
644: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
645: }
646: return $texoptionlist;
647: }
648:
649:
650: sub webbubbles {
651: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
652: my @opt=@$ropt;
653: my @alphabet=@$ralphabet;
654: my $result='';
655: my $number_of_bubbles = $#opt + 1;
656: $result.= '<table border="1"><tr>';
657: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
658: my $checked='';
659: if ($lastopt eq $opt[$ind]) {
660: $checked=' checked="on" ';
661: }
662: $result.='<td><input type="radio" name="HWVAL_'.
663: $Apache::inputtags::response['-1'].':'.$temp.
664: '" value="'.$opt[$ind].'" '.$checked.' />';
665: if ($alphabet[$ind]) {
666: $result.=$alphabet[$ind].': ';
667: }
668: $result.=$opt[$ind].'</td>';
669: }
670: $result.='</tr></table>';
671: return $result;
672: }
673:
674:
675: sub bubbles {
676: my ($ralphabet,$ropt,$response, $max_width) = @_;
677: my @alphabet = @$ralphabet;
678: my @opt = @$ropt;
679: my ($result,$head,$line) =('','','');
680: my $number_of_bubbles = $#opt + 1;
681: my $current_length = 0;
682: my $textwidth;
683: if (defined($max_width)) {
684: $textwidth=$max_width;
685: &Apache::lonxml::debug("Max width passed in: $max_width");
686: } elsif ($env{'form.textwidth'} ne '') {
687: $env{'form.textwidth'}=~/(\d+)/;
688: $textwidth=$1;
689: &Apache::lonxml::debug("Max width from form: $textwidth");
690: } else {
691: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
692: $textwidth=$1.'.'.$2;
693: &Apache::lonxml::debug("Max width defaults? $textwidth");
694: }
695: &Apache::lonxml::debug("Final maxwidth: $textwidth");
696: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
697: my $leftmargin;
698: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
699: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
700: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
701:
702: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
703: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
704: $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
705: $head.='lr';
706: } else {
707: $line=~s/\&\s*$//;
708: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
709: $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
710: $head ='lr';
711: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
712: }
713:
714: }
715: return $result;
716: }
717:
718:
719: sub start_conceptgroup {
720: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
721: $Apache::optionresponse::conceptgroup=1;
722: %Apache::response::conceptgroup=();
723: my $result;
724: if ($target eq 'edit') {
725: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
726: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
727: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
728: }
729: if ($target eq 'modified') {
730: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
731: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
732: }
733: return $result;
734: }
735:
736: sub end_conceptgroup {
737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
738: $Apache::optionresponse::conceptgroup=0;
739: my $result='';
740: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
741: $target eq 'tex' || $target eq 'analyze') {
742: #if not there aren't any foils to display and thus no question
743: &Apache::response::pick_foil_for_concept($target,
744: ['value','text','location'],
745: \%Apache::hint::option,
746: $parstack,$safeeval);
747: } elsif ($target eq 'edit') {
748: $result=&Apache::edit::end_table();
749: }
750: return $result;
751: }
752:
753: sub insert_conceptgroup {
754: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
755: return $result;
756: }
757:
758: sub start_foil {
759: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
760: my $result='';
761: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
762: &Apache::lonxml::startredirection;
763: if ($target eq 'analyze') {
764: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
765: }
766: } elsif ($target eq 'edit') {
767: $result=&Apache::edit::tag_start($target,$token,"Foil");
768: my $level='-2';
769: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
770: my @opt;
771: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
772: $result.=&Apache::edit::text_arg('Name:','name',$token);
773: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
774: ['unused',(@opt)],$token,'15');
775: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
776: $safeeval,'-3');
777: if ($randomize ne 'no') {
778: $result.=&Apache::edit::select_arg('Location:','location',
779: ['random','top','bottom'],$token);
780: }
781: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
782: } elsif ($target eq 'modified') {
783: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
784: 'value','name','location');
785: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
786: }
787: return $result;
788: }
789:
790: sub end_foil {
791: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
792: my $text ='';
793: my $result = '';
794: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
795: $text=&Apache::lonxml::endredirection;
796: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
797: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
798: }
799: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
800: || $target eq 'tex' || $target eq 'analyze') {
801: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
802: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
803: $text='\vskip 5mm $\triangleright$ '.$text;
804: }
805: if ($value ne 'unused') {
806: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
807: &Apache::lonxml::debug("Got a name of :$name:");
808: if ($name eq "") {
809: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
810: $name=$Apache::lonxml::curdepth;
811: }
812: &Apache::lonxml::debug("Using a name of :$name:");
813: if (defined($Apache::response::foilnames{$name})) {
814: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
815: }
816: $Apache::response::foilnames{$name}++;
817: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
818: if ( $Apache::optionresponse::conceptgroup
819: && !&Apache::response::showallfoils() ) {
820: push @{ $Apache::response::conceptgroup{'names'} }, $name;
821: $Apache::response::conceptgroup{"$name.value"} = $value;
822: $Apache::response::conceptgroup{"$name.text"} = $text;
823: $Apache::response::conceptgroup{"$name.location"} = $location;
824: } else {
825: push @{ $Apache::response::foilgroup{'names'} }, $name;
826: $Apache::response::foilgroup{"$name.value"} = $value;
827: $Apache::response::foilgroup{"$name.text"} = $text;
828: $Apache::response::foilgroup{"$name.location"} = $location;
829: }
830: }
831: }
832: if ($target eq 'edit') {
833: $result.= &Apache::edit::tag_end($target,$token,'');
834: }
835: return $result;
836: }
837:
838: sub start_drawoptionlist {
839: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
840: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
841: return $token->[4];
842: }
843: }
844:
845: sub end_drawoptionlist {
846: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
847: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
848: return $token->[2];
849: }
850: }
851:
852: sub insert_foil {
853: return '
854: <foil name="" value="unused">
855: <startouttext />
856: <endouttext />
857: </foil>';
858: }
859:
860: sub insert_drawoptionlist {
861: return '<drawoptionlist />';
862: }
863: 1;
864: __END__
865:
866: =head1 NAME
867:
868: Apache::optionresponse.pm;
869:
870: =head1 SYNOPSIS
871:
872: Handles tags associated with showing a list of
873: options.
874:
875: This is part of the LearningOnline Network with CAPA project
876: described at http://www.lon-capa.org.
877:
878: =head1 HANDLER SUBROUTINE
879:
880: start_optionresponse()
881:
882: =head1 OTHER SUBROUTINES
883:
884: =over
885:
886: =item end_optionresponse()
887:
888: =item start_foilgroup()
889:
890: =item end_foilgroup()
891:
892: =item getfoilcounts()
893:
894: =item displayanswers()
895:
896: =item check_for_invalid()
897:
898: =item displayfoils()
899:
900: =item optionlist_correction()
901:
902: =item webbubbles()
903:
904: =item bubbles()
905:
906: =item start_conceptgroup()
907:
908: =item end_conceptgroup()
909:
910: =item insert_conceptgroup()
911:
912: =item start_foil()
913:
914: =item end_foil()
915:
916: =item start_drawoptionlist()
917:
918: =item end_drawoptionlist()
919:
920: =item insert_foil()
921:
922: =item insert_drawoptionlist()
923:
924: =back
925:
926: =cut
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