1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
4: # $Id: rankresponse.pm,v 1.70 2014/02/27 14:41:34 bisitz Exp $
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: package Apache::rankresponse;
29: use strict;
30: use HTML::Entities();
31: use Apache::optionresponse();
32: use Apache::lonlocal;
33: use Apache::lonxml;
34: use Apache::lonnet;
35:
36: BEGIN {
37: &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
38: }
39:
40: sub start_rankresponse {
41: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
42: my $result;
43: #when in a rank response use these
44: &Apache::lonxml::register('Apache::rankresponse',
45: ('foilgroup','foil','conceptgroup'));
46: push (@Apache::lonxml::namespace,'rankresponse');
47: my $id = &Apache::response::start_response($parstack,$safeeval);
48: %Apache::hint::rank=();
49: undef(%Apache::response::foilnames);
50: if ($target eq 'meta') {
51: $result=&Apache::response::meta_package_write('rankresponse');
52: } elsif ($target eq 'edit' ) {
53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
55: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
56: .&Apache::edit::deletelist($target,$token)
57: .'</span></td>'
58: .'<td> '.&Apache::edit::end_row()
59: .&Apache::edit::start_spanning_row();
60:
61: $result.=
62: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
63: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
64: ['yes','no'],$token).
65: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
66: } elsif ($target eq 'modified') {
67: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
68: $safeeval,'max',
69: 'randomize');
70: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
71: } elsif ($target eq 'analyze') {
72: my $part_id="$Apache::inputtags::part.$id";
73: $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
74: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
75: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
76:
77: }
78: return $result;
79: }
80:
81: sub end_rankresponse {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83: my $result;
84: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
85: &Apache::response::end_response;
86: pop @Apache::lonxml::namespace;
87: &Apache::lonxml::deregister('Apache::rankresponse',
88: ('foilgroup','foil','conceptgroup'));
89: undef(%Apache::response::foilnames);
90: return $result;
91: }
92:
93: %Apache::response::foilgroup=();
94: sub start_foilgroup {
95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
96: my $result;
97: %Apache::response::foilgroup=();
98: $Apache::rankresponse::conceptgroup=0;
99: &Apache::response::pushrandomnumber(undef,$target);
100: return $result;
101: }
102:
103: sub end_foilgroup {
104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
105: my $result;
106: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
107: $target eq 'tex' || $target eq 'analyze') {
108: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
109: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
110: $safeeval,'-2');
111: my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
112: if (!defined($tol)) { $tol=0; }
113: if ($target eq 'web' || $target eq 'tex') {
114: $result=&displayfoils($target,$max,$randomize,$tol);
115: $Apache::lonxml::post_evaluate=0;
116: } elsif ($target eq 'answer' ) {
117: $result=&displayanswers($max,$randomize,$tol);
118: } elsif ( $target eq 'grade') {
119: &grade_response($max,$randomize,$tol);
120: } elsif ( $target eq 'analyze') {
121: my @shown = &whichfoils($max,$randomize);
122: &Apache::response::analyze_store_foilgroup(\@shown,
123: ['text','value','location']);
124: my $part_id=
125: "$Apache::inputtags::part.$Apache::inputtags::response[-1]";
126: $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
127: }
128: my $part = $Apache::inputtags::part;
129: my $id = $Apache::inputtags::response[-1];
130: my ($numrows,$bubbles_per_row);
131: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
132: my (@whichfoils)=&whichfoils($max,$randomize);
133: ($numrows,$bubbles_per_row) =
134: &Apache::optionresponse::getnumrows(scalar(@whichfoils));
135: }
136: if ($numrows < 1) {
137: $numrows = 1;
138: }
139: my $increment = &getfoilcounts($max) * $numrows;
140: &Apache::lonxml::increment_counter($increment,"$part.$id");
141: if ($target eq 'analyze') {
142: &Apache::lonhomework::set_bubble_lines();
143: }
144: } elsif ($target eq 'edit') {
145: $result=&Apache::edit::end_table();
146: }
147: &Apache::response::poprandomnumber();
148: return $result;
149: }
150:
151: sub get_correct_order {
152: my ($tol,@foils) =@_;
153: my @correctorder;
154: my @value_names;
155: foreach my $name (@foils) {
156: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
157: push(@value_names,\@pair);
158: }
159: @value_names =
160: sort {
161: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
162: return 0;
163: } @value_names;
164: my @value_names_tmp=@value_names;
165: my $firstpair=shift(@value_names_tmp);
166: my $order=1;
167: my %order;
168: my $count=1;
169: my $lastvalue=$firstpair->[0];
170: $order{$firstpair->[1]}=$order;
171: foreach my $pair (@value_names_tmp) {
172: $count++;
173: if (abs($pair->[0]-$lastvalue) > $tol ) {
174: $order=$count;
175: }
176: $order{$pair->[1]}=$order;
177: $lastvalue=$pair->[0];
178: }
179: foreach my $name (@foils) {
180: push(@correctorder,$order{$name});
181: }
182: &Apache::lonhomework::showhash('b' => \@value_names);
183: &Apache::lonhomework::showhash('b' => \@correctorder);
184: return @correctorder;
185: }
186:
187: sub displayanswers {
188: my ($max,$randomize,$tol,@opt)=@_;
189: my @names;
190: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
191: @names = @{ $Apache::response::foilgroup{'names'} };
192: }
193: return if (!@names);
194: my @whichfoils = &whichfoils($max,$randomize);
195: my @correctorder=&get_correct_order($tol,@whichfoils);
196: my $result;
197: if ($Apache::lonhomework::type eq 'exam') {
198: my @alphabet = ('A'..'Z');
199: my $i=0;
200: foreach my $order (@correctorder) {
201: $result.=&Apache::response::answer_header('rankresponse',$i++);
202: $result.=&Apache::response::answer_part('rankresponse',
203: $alphabet[$order-1]);
204: $result.=&Apache::response::answer_part('rankresponse',$order);
205: $result.=&Apache::response::answer_footer('rankresponse');
206: }
207: } else {
208: $result=&Apache::response::answer_header('rankresponse');
209: foreach my $order (@correctorder) {
210: $result.=&Apache::response::answer_part('rankresponse',$order);
211: }
212: $result.=&Apache::response::answer_footer('rankresponse');
213: }
214: return $result;
215: }
216:
217: sub check_response_order {
218: my (%responsehash)=@_;
219: my @order=sort( {$a <=> $b} values(%responsehash));
220: my $lastvalue=0;
221: my $expected=1;
222: my $malformed=0;
223: foreach my $current (@order) {
224: &Apache::lonxml::debug("$lastvalue $expected $malformed");
225: if (!($current == $lastvalue || $current == $expected)) {
226: $malformed=1;
227: }
228: $expected++;
229: $lastvalue=$current;
230: }
231: return $malformed;
232: }
233:
234: sub grade_response {
235: my ($max,$randomize,$tol)=@_;
236: my (@whichfoils)=&whichfoils($max,$randomize);
237: if (!&Apache::response::submitted()) { return; }
238: my %responsehash;
239: my %grade;
240: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
241: my @correctorder=&get_correct_order($tol,@whichfoils);
242: my ($numrows,$bubbles_per_row);
243: if ($Apache::lonhomework::scantronmode) {
244: my $numitems = scalar(@whichfoils);
245: ($numrows,$bubbles_per_row) =
246: &Apache::optionresponse::getnumrows($numitems);
247: }
248: if ($numrows < 1) {
249: $numrows = 1;
250: }
251:
252: foreach my $name (@whichfoils) {
253: my $response;
254: if ($numrows > 1) {
255: my $num = $temp;
256: my $totalnum;
257: for (my $i=0; $i<$numrows; $i++) {
258: my $item = &Apache::response::getresponse($num,'A is 1');
259: if ($item =~ /^\d+$/) {
260: $totalnum = $i*$bubbles_per_row + $item;
261: }
262: $num ++;
263: }
264: $response = $totalnum;
265: $temp += $numrows;
266: } else {
267: $response = &Apache::response::getresponse($temp,'A is 1');
268: $temp ++;
269: }
270: my $value=shift(@correctorder);
271: if ( $response =~ /[^\s]/) {
272: $responsehash{$name}=$response;
273: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
274: if ($value eq $response) {
275: $grade{$name}='1'; $right++;
276: } else {
277: $grade{$name}='0'; $wrong++;
278: }
279: } else {
280: $ignored++;
281: }
282: }
283: my $malformed=&check_response_order(%responsehash);
284: my $part=$Apache::inputtags::part;
285: my $id = $Apache::inputtags::response['-1'];
286: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
287: my $gradestr =&Apache::lonnet::hash2str(%grade);
288: my %previous=&Apache::response::check_for_previous($responsestr,
289: $part,$id);
290: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
291: my $ad;
292: if ($malformed) {
293: $ad='MISORDERED_RANK';
294: } elsif ($wrong==0 && $ignored==0) {
295: $ad='EXACT_ANS';
296: } elsif ($wrong==0 && $right==0) {
297: #nothing submitted
298: } else {
299: if ($ignored==0) {
300: $ad='INCORRECT';
301: } else {
302: $ad='MISSING_ANSWER';
303: }
304: }
305: if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
306: if ($Apache::lonhomework::type eq 'survey') {
307: $ad='SUBMITTED';
308: } elsif ($Apache::lonhomework::type eq 'surveycred') {
309: $ad='SUBMITTED_CREDIT';
310: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
311: $ad='ANONYMOUS';
312: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
313: $ad='ANONYMOUS_CREDIT';
314: } else {
315: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
316: }
317: } else {
318: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
319: }
320: if ($Apache::lonhomework::type eq 'randomizetry') {
321: if ($Apache::lonhomework::type eq 'randomizetry') {
322: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
323: }
324: }
325: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
326: $responsestr;
327: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
328: &Apache::response::handle_previous(\%previous,$ad);
329: }
330:
331: sub format_prior_answer {
332: my ($mode,$answer,$other_data) = @_;
333: my %lastresponse=&Apache::lonnet::str2hash($answer);
334: my $foil_order =$other_data->[0];
335: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
336: my $output;
337: foreach my $name (@{ $foil_order }) {
338: next if (!defined($lastresponse{$name}));
339: $output .= '<tr><td>'.&HTML::Entities::encode($lastresponse{$name},'<>&"').'</td></tr>';
340: }
341: return if (!defined($output));
342: $output =
343: '<table class="LC_prior_rank">'.$output.'</table>';
344: return $output;
345: }
346:
347: sub displayfoils {
348: my ($target,$max,$randomize,$tol)=@_;
349: my $result;
350: my @alphabet=('A'..'Z');
351: my (@whichfoils)=&whichfoils($max,$randomize);
352: my $part=$Apache::inputtags::part;
353: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
354: my @whichopt=(1..($#whichfoils+1));
355: my @correctorder=&get_correct_order($tol,@whichfoils);
356: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
357: foreach my $name (@whichfoils) {
358: my $text=$Apache::response::foilgroup{$name.'.text'};
359: my $value=shift(@correctorder);
360: if ($target eq 'web') {
361: $result.='<br /><b>'.$value.':</b> '.$text;
362: } else {
363: $result.=' \strut\\\\\strut '.$value.':'.$text;
364: }
365: }
366: } else {
367: my $i = 0;
368: my $temp=1;
369: my $id=$Apache::inputtags::response[-1];
370: my $part=$Apache::inputtags::part;
371: my ($lastresponse,$newvariation);
372: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
373: ($Apache::lonhomework::type eq 'randomizetry')) &&
374: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
375: if ($env{'form.'.$part.'.rndseed'} ne
376: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
377: $newvariation = 1;
378: }
379: }
380: unless ($newvariation) {
381: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
382: (($env{'form.grade_username'} eq $env{'user.name'}) &&
383: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
384: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
385: } else {
386: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
387: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
388: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
389: }
390: }
391: }
392: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
393: my @alp = splice @alphabet, 0, $#whichopt + 1;
394: my $internal_counter=$Apache::lonxml::counter;
395: my ($numrows,$bubbles_per_row);
396: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
397: ($numrows,$bubbles_per_row) =
398: &Apache::optionresponse::getnumrows(scalar(@alp));
399: } else {
400: $numrows = 1;
401: }
402: if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
403: $result .= '\strut \\\\ \strut \\\\' ;
404: }
405: foreach my $name (@whichfoils) {
406: my $lastopt=$lastresponse{$name};
407: my $optionlist='';
408: if ($target ne 'tex') {
409: $optionlist = "<option></option>\n";
410: }
411: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
412: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
413: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
414: }
415: my $option;
416: foreach $option (@whichopt) {
417: if ($option eq $lastopt) {
418: if ($target ne 'tex' ) {
419: $optionlist.="<option selected=\"selected\">$option</option>\n";
420: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
421: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
422: }
423: } else {
424: if ($target ne 'tex') {
425: $optionlist.="<option>$option</option>\n";
426: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
427: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
428: }
429: }
430: }
431: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
432: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
433: $part.'\');" name="HWVAL_'.
434: $Apache::inputtags::response[-1].':'.$temp.'">'.
435: $optionlist."</select>\n";
436: } elsif ($env{'form.pdfFormFields'} eq 'yes') {
437: #do nothing
438: } else {
439: $optionlist=' '.$temp.' '.$optionlist.' ';
440: }
441: my $text=$Apache::response::foilgroup{$name.'.text'};
442: if ($target ne 'tex') {
443: if ($Apache::lonhomework::type ne 'exam') {
444: $result.='<br />'.$optionlist.$text."\n";
445: } else {
446: $result.='<br />'.$text."\n";
447: }
448: if ($Apache::lonhomework::type eq 'exam') {
449: my @values=(1..scalar(@whichopt));
450: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
451: }
452: } else {
453: if ($Apache::lonhomework::type eq 'exam') {
454: my $itemlabel;
455: if ($numrows == 1) {
456: $itemlabel = '\item[\textbf{'.$internal_counter.'}]';
457: } else {
458: my $linetext;
459: for (my $i=0; $i<$numrows; $i++) {
460: $linetext .= $internal_counter+$i.', ';
461: }
462: $linetext =~ s/,\s$//;
463: $itemlabel = '\item[\small {\textbf{'.$linetext.'}}]'.
464: ' {\footnotesize '.
465: &mt('(Bubble once in [_1] lines)',$numrows).
466: '} \hspace*{\fill} \\\\';
467: }
468: $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
469: $result .= '\vskip -1 mm';
470: $result .= '\begin{enumerate}'.$itemlabel;
471: $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse',undef,$numrows,$bubbles_per_row,$internal_counter);
472: $result .= '\end{enumerate} \vskip -8 mm \strut ';
473: $internal_counter += $numrows;
474: } else {
475: if($env{'form.pdfFormFields'} ne 'yes') {
476: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
477: } else {
478: $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
479: }
480: }
481: }
482: $temp++;
483: }
484: }
485: if ($target eq 'web') {
486: my $questiontype;
487: if ($Apache::lonhomework::type eq 'randomizetry') {
488: $questiontype = $Apache::lonhomework::type;
489: }
490: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
491: [\@whichfoils,
492: 'submissiongrading'],
493: $questiontype);
494: }
495: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
496: return $result;
497: }
498:
499: sub getfoilcounts {
500: my ($max)=@_;
501: # +1 since instructors will count from 1
502: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
503: if (&Apache::response::showallfoils()) { $max=$count; }
504: if ($count>$max) { $count=$max }
505: &Apache::lonxml::debug("Count is $count from $max");
506: return $count;
507: }
508:
509: sub whichfoils {
510: my ($max,$randomize)=@_;
511: return &Apache::response::whichorder($max,$randomize,
512: &Apache::response::showallfoils(),
513: \%Apache::response::foilgroup);
514: }
515:
516: sub start_conceptgroup {
517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
518: $Apache::rankresponse::conceptgroup=1;
519: %Apache::response::conceptgroup=();
520: my $result;
521: if ($target eq 'edit') {
522: $result.=&Apache::edit::tag_start($target,$token,
523: "Concept Grouped Foils");
524: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
525: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
526: }
527: if ($target eq 'modified') {
528: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
529: $safeeval,'concept');
530: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
531: }
532: return $result;
533: }
534:
535: sub end_conceptgroup {
536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
537: $Apache::rankresponse::conceptgroup=0;
538: my $result='';
539: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
540: $target eq 'tex' || $target eq 'analyze') {
541: #if not there aren't any foils to display and thus no question
542: &Apache::response::pick_foil_for_concept($target,
543: ['value','text','location'],
544: \%Apache::hint::rank,
545: $parstack,$safeeval);
546: } elsif ($target eq 'edit') {
547: $result=&Apache::edit::end_table();
548: }
549: return $result;
550: }
551:
552: sub insert_conceptgroup {
553: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
554: return $result;
555: }
556:
557: sub start_foil {
558: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
559: my $result='';
560: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
561: &Apache::lonxml::startredirection;
562: if ($target eq 'analyze') {
563: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
564: }
565: } elsif ($target eq 'edit') {
566: $result=&Apache::edit::tag_start($target,$token,"Foil");
567: my $level='-2';
568: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
569: $result.=&Apache::edit::text_arg('Name:','name',$token);
570: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
571: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
572: $safeeval,'-3');
573: if ($randomize ne 'no') {
574: $result.=&Apache::edit::select_arg('Location:','location',
575: ['random','top','bottom'],$token);
576: }
577: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
578: } elsif ($target eq 'modified') {
579: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
580: $safeeval,'value',
581: 'name','location');
582: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
583: }
584: return $result;
585: }
586:
587: sub end_foil {
588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
589: my $text ='';
590: my $result = '';
591: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
592: $text=&Apache::lonxml::endredirection;
593: }
594: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
595: $target eq 'tex' || $target eq 'analyze') {
596: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
597: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
598: $text='\vskip 5mm $\triangleright$ '.$text;
599: }
600: if ($value ne 'unused') {
601: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
602: &Apache::lonxml::debug("Got a name of :$name:");
603: if ($name eq "") {
604: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
605: $name=$Apache::lonxml::curdepth;
606: }
607: &Apache::lonxml::debug("Using a name of :$name:");
608: if (defined($Apache::response::foilnames{$name})) {
609: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
610: }
611: $Apache::response::foilnames{$name}++;
612: my $location =&Apache::lonxml::get_param('location',$parstack,
613: $safeeval);
614: if ( $Apache::rankresponse::conceptgroup
615: && !&Apache::response::showallfoils() ) {
616: push @{ $Apache::response::conceptgroup{'names'} }, $name;
617: $Apache::response::conceptgroup{"$name.value"} = $value;
618: $Apache::response::conceptgroup{"$name.text"} = $text;
619: $Apache::response::conceptgroup{"$name.location"} = $location;
620: } else {
621: push @{ $Apache::response::foilgroup{'names'} }, $name;
622: $Apache::response::foilgroup{"$name.value"} = $value;
623: $Apache::response::foilgroup{"$name.text"} = $text;
624: $Apache::response::foilgroup{"$name.location"} = $location;
625: }
626: }
627: }
628: if ($target eq 'edit') {
629: $result.= &Apache::edit::tag_end($target,$token,'');
630: }
631: return $result;
632: }
633:
634: sub insert_foil {
635: return '
636: <foil name="" value="unused">
637: <startouttext />
638: <endouttext />
639: </foil>';
640: }
641: 1;
642: __END__
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