Annotation of loncom/homework/rankresponse.pm, revision 1.64
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
1.64 ! raeburn 4: # $Id: rankresponse.pm,v 1.63 2010/08/02 10:52:54 foxr Exp $
1.1 albertel 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();
1.30 albertel 31: use Apache::optionresponse();
32: use Apache::lonlocal;
1.58 onken 33: use Apache::lonxml;
34: use Apache::lonnet;
1.1 albertel 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,$safeeval);
48: %Apache::hint::rank=();
1.30 albertel 49: undef(%Apache::response::foilnames);
1.1 albertel 50: if ($target eq 'meta') {
51: $result=&Apache::response::meta_package_write('rankresponse');
52: } elsif ($target eq 'edit' ) {
1.59 bisitz 53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
1.61 bisitz 55: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.59 bisitz 56: .&Apache::edit::deletelist($target,$token)
57: .'</span></td>'
1.60 raeburn 58: .'<td> '.&Apache::edit::end_row()
1.59 bisitz 59: .&Apache::edit::start_spanning_row();
1.1 albertel 60:
61: $result.=
62: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.59 bisitz 63: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1 albertel 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); }
1.25 albertel 71: } elsif ($target eq 'analyze') {
72: my $part_id="$Apache::inputtags::part.$id";
1.56 raeburn 73: $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
1.25 albertel 74: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.53 foxr 75: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
76:
1.1 albertel 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'));
1.30 albertel 89: undef(%Apache::response::foilnames);
1.1 albertel 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: $Apache::rankresponse::conceptgroup=0;
1.64 ! raeburn 99: &Apache::response::pushrandomnumber(undef,$target);
1.1 albertel 100: return $result;
101: }
102:
103: sub end_foilgroup {
104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
105: my $result;
1.26 albertel 106: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
107: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 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)) { $tol=0; }
1.3 sakharuk 113: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 114: $result=&displayfoils($target,$max,$randomize,$tol);
1.50 albertel 115: $Apache::lonxml::post_evaluate=0;
1.1 albertel 116: } elsif ($target eq 'answer' ) {
117: $result=&displayanswers($max,$randomize,$tol);
118: } elsif ( $target eq 'grade') {
119: &grade_response($max,$randomize,$tol);
1.25 albertel 120: } elsif ( $target eq 'analyze') {
121: my @shown = &whichfoils($max,$randomize);
122: &Apache::response::analyze_store_foilgroup(\@shown,
1.26 albertel 123: ['text','value','location']);
1.41 albertel 124: my $part_id=
125: "$Apache::inputtags::part.$Apache::inputtags::response[-1]";
126: $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
1.1 albertel 127: }
1.55 foxr 128: my $part = $Apache::inputtags::part;
129: my $id = $Apache::inputtags::response[-1];
1.54 foxr 130: &Apache::lonxml::increment_counter(&getfoilcounts($max),
1.55 foxr 131: "$part.$id");
1.54 foxr 132: if ($target eq 'analyze') {
133: &Apache::lonhomework::set_bubble_lines();
134: }
1.14 albertel 135: } elsif ($target eq 'edit') {
136: $result=&Apache::edit::end_table();
1.1 albertel 137: }
1.34 albertel 138: &Apache::response::poprandomnumber();
1.1 albertel 139: return $result;
140: }
141:
142: sub get_correct_order {
143: my ($tol,@foils) =@_;
144: my @correctorder;
145: my @value_names;
146: foreach my $name (@foils) {
147: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
148: push(@value_names,\@pair);
149: }
150: @value_names =
151: sort {
1.17 albertel 152: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1 albertel 153: return 0;
154: } @value_names;
155: my @value_names_tmp=@value_names;
156: my $firstpair=shift(@value_names_tmp);
157: my $order=1;
158: my %order;
159: my $count=1;
160: my $lastvalue=$firstpair->[0];
161: $order{$firstpair->[1]}=$order;
162: foreach my $pair (@value_names_tmp) {
163: $count++;
164: if (abs($pair->[0]-$lastvalue) > $tol ) {
165: $order=$count;
166: }
167: $order{$pair->[1]}=$order;
168: $lastvalue=$pair->[0];
169: }
170: foreach my $name (@foils) {
171: push(@correctorder,$order{$name});
172: }
173: &Apache::lonhomework::showhash('b' => \@value_names);
174: &Apache::lonhomework::showhash('b' => \@correctorder);
175: return @correctorder;
176: }
177:
178: sub displayanswers {
179: my ($max,$randomize,$tol,@opt)=@_;
180: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
181: my @names = @{ $Apache::response::foilgroup{'names'} };
182: my @whichfoils = &whichfoils($max,$randomize);
183: my @correctorder=&get_correct_order($tol,@whichfoils);
1.49 albertel 184: my $result;
185: if ($Apache::lonhomework::type eq 'exam') {
186: my @alphabet = ('A'..'Z');
187: my $i=0;
188: foreach my $order (@correctorder) {
189: $result.=&Apache::response::answer_header('rankresponse',$i++);
190: $result.=&Apache::response::answer_part('rankresponse',
191: $alphabet[$order-1]);
192: $result.=&Apache::response::answer_part('rankresponse',$order);
193: $result.=&Apache::response::answer_footer('rankresponse');
194: }
195: } else {
196: $result=&Apache::response::answer_header('rankresponse');
197: foreach my $order (@correctorder) {
198: $result.=&Apache::response::answer_part('rankresponse',$order);
199: }
200: $result.=&Apache::response::answer_footer('rankresponse');
1.1 albertel 201: }
202: return $result;
203: }
204:
205: sub check_response_order {
206: my (%responsehash)=@_;
1.45 albertel 207: my @order=sort( {$a <=> $b} values(%responsehash));
1.1 albertel 208: my $lastvalue=0;
209: my $expected=1;
210: my $malformed=0;
211: foreach my $current (@order) {
212: &Apache::lonxml::debug("$lastvalue $expected $malformed");
213: if (!($current == $lastvalue || $current == $expected)) {
214: $malformed=1;
215: }
216: $expected++;
217: $lastvalue=$current;
218: }
219: return $malformed;
220: }
221:
222: sub grade_response {
223: my ($max,$randomize,$tol)=@_;
224: my (@whichfoils)=&whichfoils($max,$randomize);
1.44 albertel 225: if (!&Apache::response::submitted()) { return; }
1.1 albertel 226: my %responsehash;
227: my %grade;
1.28 albertel 228: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1 albertel 229: my @correctorder=&get_correct_order($tol,@whichfoils);
230: foreach my $name (@whichfoils) {
1.38 albertel 231: my $response = &Apache::response::getresponse($temp,'A is 1');
1.1 albertel 232: my $value=shift(@correctorder);
233: if ( $response =~ /[^\s]/) {
1.27 albertel 234: $responsehash{$name}=$response;
1.1 albertel 235: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
236: if ($value eq $response) {
237: $grade{$name}='1'; $right++;
238: } else {
239: $grade{$name}='0'; $wrong++;
240: }
241: } else {
242: $ignored++;
243: }
244: $temp++;
245: }
246: my $malformed=&check_response_order(%responsehash);
247: my $part=$Apache::inputtags::part;
248: my $id = $Apache::inputtags::response['-1'];
249: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
250: my $gradestr =&Apache::lonnet::hash2str(%grade);
251: my %previous=&Apache::response::check_for_previous($responsestr,
252: $part,$id);
253: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
254: my $ad;
255: if ($malformed) {
256: $ad='MISORDERED_RANK';
257: } elsif ($wrong==0 && $ignored==0) {
258: $ad='EXACT_ANS';
259: } elsif ($wrong==0 && $right==0) {
260: #nothing submitted
261: } else {
262: if ($ignored==0) {
263: $ad='INCORRECT';
264: } else {
265: $ad='MISSING_ANSWER';
266: }
267: }
1.62 raeburn 268: if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
269: if ($Apache::lonhomework::type eq 'survey') {
270: $ad='SUBMITTED';
271: } elsif ($Apache::lonhomework::type eq 'surveycred') {
272: $ad='SUBMITTED_CREDIT';
273: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
274: $ad='ANONYMOUS';
275: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
276: $ad='ANONYMOUS_CREDIT';
277: } else {
278: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
279: }
1.40 albertel 280: } else {
281: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
282: }
1.64 ! raeburn 283: if ($Apache::lonhomework::type eq 'randomizetry') {
! 284: if ($Apache::lonhomework::type eq 'randomizetry') {
! 285: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
! 286: }
! 287: }
1.1 albertel 288: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
289: $responsestr;
290: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
291: &Apache::response::handle_previous(\%previous,$ad);
292: }
293:
1.52 albertel 294: sub format_prior_answer {
295: my ($mode,$answer,$other_data) = @_;
296: my %lastresponse=&Apache::lonnet::str2hash($answer);
297: my $foil_order =$other_data->[0];
298: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
299: my $output;
300: foreach my $name (@{ $foil_order }) {
301: next if (!defined($lastresponse{$name}));
302: $output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
303: }
304: return if (!defined($output));
305: $output =
306: '<table class="LC_prior_rank">'.$output.'</table>';
307: return $output;
308: }
309:
1.1 albertel 310: sub displayfoils {
311: my ($target,$max,$randomize,$tol)=@_;
312: my $result;
1.4 sakharuk 313: my @alphabet=('A'..'Z');
1.1 albertel 314: my (@whichfoils)=&whichfoils($max,$randomize);
315: my $part=$Apache::inputtags::part;
316: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
317: my @whichopt=(1..($#whichfoils+1));
318: my @correctorder=&get_correct_order($tol,@whichfoils);
1.20 sakharuk 319: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1 albertel 320: foreach my $name (@whichfoils) {
321: my $text=$Apache::response::foilgroup{$name.'.text'};
322: my $value=shift(@correctorder);
1.46 albertel 323: if ($target eq 'web') {
324: $result.='<br /><b>'.$value.':</b> '.$text;
325: } else {
326: $result.=' \strut\\\\\strut '.$value.':'.$text;
327: }
1.1 albertel 328: }
329: } else {
330: my $i = 0;
1.29 albertel 331: my $temp=1;
1.1 albertel 332: my $id=$Apache::inputtags::response[-1];
333: my $part=$Apache::inputtags::part;
1.64 ! raeburn 334: my ($lastresponse,$newvariation);
! 335: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
! 336: ($Apache::lonhomework::type eq 'randomizetry')) &&
! 337: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
! 338: if ($env{'form.'.$part.'.rndseed'} ne
! 339: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
! 340: $newvariation = 1;
! 341: }
! 342: }
! 343: unless (((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) || $newvariation) {
1.62 raeburn 344: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
345: }
1.5 sakharuk 346: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
347: my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15 sakharuk 348: my $internal_counter=$Apache::lonxml::counter;
1.58 onken 349: if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
350: $result .= '\strut \\\\ \strut \\\\' ;
351: }
352: foreach my $name (@whichfoils) {
1.1 albertel 353: my $lastopt=$lastresponse{$name};
1.3 sakharuk 354: my $optionlist='';
1.58 onken 355: if ($target ne 'tex') {
356: $optionlist = "<option></option>\n";
357: }
358: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
359: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
360: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
361: }
1.1 albertel 362: my $option;
363: foreach $option (@whichopt) {
364: if ($option eq $lastopt) {
1.58 onken 365: if ($target ne 'tex' ) {
1.64 ! raeburn 366: $optionlist.="<option selected=\"selected\">$option</option>\n";
1.58 onken 367: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
368: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
369: }
1.1 albertel 370: } else {
1.58 onken 371: if ($target ne 'tex') {
372: $optionlist.="<option>$option</option>\n";
373: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
374: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
375: }
376: }
1.1 albertel 377: }
1.12 sakharuk 378: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.51 albertel 379: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
380: $part.'\');" name="HWVAL_'.
1.3 sakharuk 381: $Apache::inputtags::response[-1].':'.$temp.'">'.
382: $optionlist."</select>\n";
1.58 onken 383: } elsif ($env{'form.pdfFormFields'} eq 'yes') {
384: #do nothing
385: } else {
1.3 sakharuk 386: $optionlist=' '.$temp.' '.$optionlist.' ';
387: }
1.1 albertel 388: my $text=$Apache::response::foilgroup{$name.'.text'};
1.3 sakharuk 389: if ($target ne 'tex') {
1.12 sakharuk 390: if ($Apache::lonhomework::type ne 'exam') {
391: $result.='<br />'.$optionlist.$text."\n";
392: } else {
393: $result.='<br />'.$text."\n";
394: }
1.4 sakharuk 395: if ($Apache::lonhomework::type eq 'exam') {
1.22 albertel 396: my @values=(1..scalar(@whichopt));
397: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4 sakharuk 398: }
399: } else {
400: if ($Apache::lonhomework::type eq 'exam') {
1.63 foxr 401: $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
402: $result .= '\vskip -1 mm';
403: $result .= '\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]';
404: $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse');
405: $result .= '\end{enumerate} \vskip -8 mm \strut ';
1.15 sakharuk 406: $internal_counter++;
1.4 sakharuk 407: } else {
1.58 onken 408: if($env{'form.pdfFormFields'} ne 'yes') {
409: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
410: } else {
411: $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
412: }
1.4 sakharuk 413: }
414: }
1.1 albertel 415: $temp++;
416: }
417: }
1.52 albertel 418: if ($target eq 'web') {
1.64 ! raeburn 419: my $questiontype;
! 420: if ($Apache::lonhomework::type eq 'randomizetry') {
! 421: $questiontype = $Apache::lonhomework::type;
! 422: }
1.52 albertel 423: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
424: [\@whichfoils,
1.64 ! raeburn 425: 'submissiongrading'],
! 426: $questiontype);
1.52 albertel 427: }
1.5 sakharuk 428: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1 albertel 429: return $result;
430: }
431:
432: sub getfoilcounts {
433: my ($max)=@_;
434: # +1 since instructors will count from 1
435: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
436: if (&Apache::response::showallfoils()) { $max=$count; }
437: if ($count>$max) { $count=$max }
438: &Apache::lonxml::debug("Count is $count from $max");
439: return $count;
440: }
441:
442: sub whichfoils {
443: my ($max,$randomize)=@_;
1.13 albertel 444: return &Apache::response::whichorder($max,$randomize,
445: &Apache::response::showallfoils(),
446: \%Apache::response::foilgroup);
1.1 albertel 447: }
448:
449: sub start_conceptgroup {
450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
451: $Apache::rankresponse::conceptgroup=1;
452: %Apache::response::conceptgroup=();
453: my $result;
454: if ($target eq 'edit') {
455: $result.=&Apache::edit::tag_start($target,$token,
456: "Concept Grouped Foils");
457: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
458: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
459: }
460: if ($target eq 'modified') {
461: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
462: $safeeval,'concept');
463: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
464: }
465: return $result;
466: }
467:
468: sub end_conceptgroup {
469: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
470: $Apache::rankresponse::conceptgroup=0;
471: my $result='';
1.25 albertel 472: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
473: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 474: #if not there aren't any foils to display and thus no question
1.25 albertel 475: &Apache::response::pick_foil_for_concept($target,
476: ['value','text','location'],
477: \%Apache::hint::rank,
478: $parstack,$safeeval);
1.1 albertel 479: } elsif ($target eq 'edit') {
480: $result=&Apache::edit::end_table();
481: }
482: return $result;
483: }
484:
485: sub insert_conceptgroup {
486: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
487: return $result;
488: }
489:
490: sub start_foil {
491: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
492: my $result='';
1.25 albertel 493: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 494: &Apache::lonxml::startredirection;
1.39 albertel 495: if ($target eq 'analyze') {
496: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
497: }
1.1 albertel 498: } elsif ($target eq 'edit') {
499: $result=&Apache::edit::tag_start($target,$token,"Foil");
500: my $level='-2';
501: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
502: $result.=&Apache::edit::text_arg('Name:','name',$token);
503: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
504: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
505: $safeeval,'-3');
506: if ($randomize ne 'no') {
507: $result.=&Apache::edit::select_arg('Location:','location',
508: ['random','top','bottom'],$token);
509: }
510: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
511: } elsif ($target eq 'modified') {
512: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
513: $safeeval,'value',
514: 'name','location');
515: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
516: }
517: return $result;
518: }
519:
520: sub end_foil {
521: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
522: my $text ='';
523: my $result = '';
1.25 albertel 524: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 525: $text=&Apache::lonxml::endredirection;
526: }
1.25 albertel 527: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
528: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 529: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.42 albertel 530: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
531: $text='\vskip 5mm $\triangleright$ '.$text;
532: }
1.1 albertel 533: if ($value ne 'unused') {
534: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
535: &Apache::lonxml::debug("Got a name of :$name:");
1.48 albertel 536: if ($name eq "") {
1.57 bisitz 537: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.43 albertel 538: $name=$Apache::lonxml::curdepth;
539: }
1.1 albertel 540: &Apache::lonxml::debug("Using a name of :$name:");
1.30 albertel 541: if (defined($Apache::response::foilnames{$name})) {
1.57 bisitz 542: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.30 albertel 543: }
1.31 albertel 544: $Apache::response::foilnames{$name}++;
1.30 albertel 545: my $location =&Apache::lonxml::get_param('location',$parstack,
546: $safeeval);
1.1 albertel 547: if ( $Apache::rankresponse::conceptgroup
548: && !&Apache::response::showallfoils() ) {
549: push @{ $Apache::response::conceptgroup{'names'} }, $name;
550: $Apache::response::conceptgroup{"$name.value"} = $value;
1.42 albertel 551: $Apache::response::conceptgroup{"$name.text"} = $text;
1.1 albertel 552: $Apache::response::conceptgroup{"$name.location"} = $location;
553: } else {
554: push @{ $Apache::response::foilgroup{'names'} }, $name;
555: $Apache::response::foilgroup{"$name.value"} = $value;
1.42 albertel 556: $Apache::response::foilgroup{"$name.text"} = $text;
1.1 albertel 557: $Apache::response::foilgroup{"$name.location"} = $location;
558: }
559: }
560: }
561: if ($target eq 'edit') {
562: $result.= &Apache::edit::tag_end($target,$token,'');
563: }
564: return $result;
565: }
566:
567: sub insert_foil {
568: return '
569: <foil name="" value="unused">
570: <startouttext />
571: <endouttext />
572: </foil>';
573: }
574: 1;
575: __END__
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