Annotation of loncom/homework/matchresponse.pm, revision 1.93
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.93 ! damieng 4: # $Id: matchresponse.pm,v 1.92 2015/01/19 15:35:53 goltermann Exp $
1.1 albertel 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: package Apache::matchresponse;
30: use strict;
31: use HTML::Entities();
32: use Math::Random();
1.37 albertel 33: use Apache::optionresponse();
34: use Apache::lonlocal;
1.52 albertel 35: use Apache::lonnet;
1.71 onken 36: use Apache::lonxml;
1.87 raeburn 37: use POSIX qw(ceil);
1.6 sakharuk 38:
1.1 albertel 39: BEGIN {
40: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
41: }
42:
43: sub start_matchresponse {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result;
46: #when in a matchresponse use these
47: &Apache::lonxml::register('Apache::matchresponse',
48: ('foilgroup','foil','conceptgroup','item',
49: 'itemgroup'));
50: push (@Apache::lonxml::namespace,'matchresponse');
51: my $id = &Apache::response::start_response($parstack,$safeeval);
52: %Apache::hint::match=();
1.37 albertel 53: undef(%Apache::response::foilnames);
1.1 albertel 54: if ($target eq 'meta') {
55: $result=&Apache::response::meta_package_write('matchresponse');
56: } elsif ($target eq 'edit' ) {
57: $result.=&Apache::edit::start_table($token).
1.92 golterma 58: '<tr><td>'.&Apache::loncommon::insert_folding_button().&Apache::lonxml::description($token).'</td>'
1.72 bisitz 59: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
60: .&Apache::edit::deletelist($target,$token)
61: .'</span></td>'
1.73 raeburn 62: .'<td> '.&Apache::edit::end_row()
1.72 bisitz 63: .&Apache::edit::start_spanning_row();
1.1 albertel 64:
65: $result.=
66: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.72 bisitz 67: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1 albertel 68: ['yes','no'],$token).
69: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
70: } elsif ($target eq 'modified') {
71: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
72: $safeeval,'max',
73: 'randomize');
74: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.28 albertel 75: } elsif ($target eq 'analyze') {
76: my $part_id="$Apache::inputtags::part.$id";
1.69 raeburn 77: $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse';
1.28 albertel 78: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.68 raeburn 79: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
1.65 foxr 80: 1);
1.1 albertel 81: }
82: return $result;
83: }
84:
85: sub end_matchresponse {
86: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
87: my $result;
88: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
89: &Apache::response::end_response;
90: pop @Apache::lonxml::namespace;
91: &Apache::lonxml::deregister('Apache::matchresponse',
92: ('foilgroup','foil','conceptgroup'));
1.37 albertel 93: undef(%Apache::response::foilnames);
1.1 albertel 94: return $result;
95: }
96:
97: %Apache::response::itemgroup=();
98: sub start_itemgroup {
99: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
100: my $result;
101: %Apache::response::itemgroup=();
1.4 albertel 102: %Apache::matchresponse::itemtable=();
1.15 albertel 103:
1.1 albertel 104: if ($target eq 'edit') {
105: $result=&Apache::edit::tag_start($target,$token);
106: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
1.88 bisitz 107: ['yes','no'],$token);
1.4 albertel 108: $result.=&Apache::edit::select_arg('Items Display Location:',
109: 'location',
110: ['top','bottom','left','right'],
1.88 bisitz 111: $token);
1.73 raeburn 112: $result.=&Apache::edit::select_arg('Items Display Direction:',
1.51 albertel 113: 'direction',
114: ['vertical','horizontal'],
1.88 bisitz 115: $token);
1.87 raeburn 116: $result.=&Apache::edit::select_arg('Items Columns:',
117: 'columns',
118: [['','default'],'1','2','3','4'],
119: $token);
1.1 albertel 120: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4 albertel 121: } elsif ($target eq 'modified') {
122: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
123: $safeeval,'randomize',
1.87 raeburn 124: 'location','direction',
125: 'columns');
1.4 albertel 126: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.21 sakharuk 127: } elsif ($target eq 'web' or $target eq 'tex') {
1.4 albertel 128: $Apache::matchresponse::itemtable{'location'}=
129: &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.43 sakharuk 130: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
1.1 albertel 131: }
132: return $result;
133: }
134:
135: sub end_itemgroup {
136: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
137: my $result;
138:
1.17 albertel 139: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.84 raeburn 140: if (ref($Apache::response::itemgroup{'names'}) eq 'ARRAY') {
141: if(!@{ $Apache::response::itemgroup{'names'} }) { return; }
142: } else {
143: return;
144: }
1.1 albertel 145: my @names=@{ $Apache::response::itemgroup{'names'} };
146: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2 albertel 147: if ($randomize ne 'no' ) {
1.18 albertel 148: @names=&Apache::response::whichorder($#names+1,$randomize,0,
149: \%Apache::response::itemgroup);
1.1 albertel 150: }
1.30 albertel 151: if ($target eq 'analyze') {
152: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
153: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
154: }
1.1 albertel 155: my %letter_name_map;
156: my %name_letter_map;
157: my @alphabet=('A'..'Z');
158: my $i=0;
159: foreach my $name (@names) {
160: $letter_name_map{$alphabet[$i]}=$name;
161: $name_letter_map{$name}=$alphabet[$i];
162: $i++;
163: }
1.15 albertel 164: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
1.1 albertel 165: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
1.51 albertel 166: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
1.87 raeburn 167: my $columns=&Apache::lonxml::get_param('columns',$parstack,$safeeval);
168:
169: unless ($columns =~ /^\d+$/) {
170: undef($columns);
171: }
1.1 albertel 172: if ($target eq 'web') {
1.58 foxr 173:
1.93 ! damieng 174: my $table='<table class="LC_itemgroup">'; # extra space to match what latex does.
1.87 raeburn 175: if ((!$columns) || ($columns < 0)) {
176: if ($direction eq 'horizontal') {
177: if (@names > 0) {
178: $columns = scalar(@names);
179: } else {
180: $columns = 1;
181: }
182: } else {
183: $columns = 1;
184: }
185: }
186: my $rows=ceil(scalar(@names)/$columns);
187: my $endloop = $columns*$rows;
188: for (my $i=0; $i<$endloop; $i++) {
189: my $label = ' ';
190: my $item = ' ';
191: my $index;
192: if ($direction eq 'horizontal') {
193: $index = $i;
194: } else {
195: $index = ($i % $columns)*$rows+int($i/$columns);
196: }
197: if ($index < scalar(@names)) {
198: $label = $alphabet[$index];
199: $item = $Apache::response::itemgroup{$names[$index].'.text'};
200: }
201: if ($i % $columns == 0) {
202: $table.='<tr>';
203: }
204: $table.= '<td>'.$label.'</td><td>'.$item.'</td>';
205: if ($columns > 1) {
206: $table .= '<td> </td>';
207: }
208: if ( ! (($i+1) % $columns) ) {
209: $table.='</tr>';
210: }
211: }
1.4 albertel 212: $table.='</table>';
213: $Apache::matchresponse::itemtable{'display'}=$table;
1.60 albertel 214: $Apache::lonxml::post_evaluate=0;
1.5 sakharuk 215: } elsif ($target eq 'tex') {
1.58 foxr 216: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
1.5 sakharuk 217: my $i=0;
1.82 raeburn 218: my ($numrows,$bubbles_per_row);
219: if ($Apache::lonhomework::type eq 'exam') {
220: ($numrows,$bubbles_per_row) =
221: &Apache::optionresponse::getnumrows(scalar(@names));
222: } else {
223: $numrows = 1;
224: }
1.5 sakharuk 225: foreach my $name (@names) {
1.59 foxr 226: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.82 raeburn 227: my $item;
228: if (($numrows > 1) && ($bubbles_per_row > 0)) {
229: my $num = 1+int($i/$bubbles_per_row);
230: my $idx = int($i % $bubbles_per_row);
231: if ($idx == 0) {
232: if ($num == 1) {
233: $table .= '\item[\footnotesize {'.&mt('(first line)').'}]';
234: } else {
235: $table .= '\item[\footnotesize {'.&mt('(next line)').'}]';
236: }
237: }
238: $item = $alphabet[$idx];
239: } else {
240: $item = $alphabet[$i];
241: }
242: $table.='\item['.$item.'] '.
1.58 foxr 243: $Apache::response::itemgroup{$name.'.text'};
1.5 sakharuk 244: $i++;
245: }
1.58 foxr 246: $table.=' \end{description} \strut ';
1.77 foxr 247: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
1.5 sakharuk 248: $Apache::matchresponse::itemtable{'display'}=$table;
1.60 albertel 249: $Apache::lonxml::post_evaluate=0;
1.17 albertel 250: }
1.1 albertel 251: return $result;
252: }
253:
254: sub start_item {
255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
256: my $result='';
1.30 albertel 257: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 258: &Apache::lonxml::startredirection;
259: } elsif ($target eq 'edit') {
1.3 albertel 260: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
261: $safeeval,'-2');
1.1 albertel 262: $result=&Apache::edit::tag_start($target,$token,"Item");
263: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.3 albertel 264: if ($randomize ne 'no') {
1.88 bisitz 265: $result.=
1.73 raeburn 266: &Apache::edit::select_arg('Location:','location',
1.3 albertel 267: ['random','top','bottom'],
268: $token);
269: }
270: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1 albertel 271: } elsif ($target eq 'modified') {
272: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3 albertel 273: $safeeval,'name',
274: 'location');
1.1 albertel 275: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
276: }
277: return $result;
278: }
279:
280: sub end_item {
281: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
282: my $text ='';
283: my $result = '';
1.30 albertel 284: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 285: $text=&Apache::lonxml::endredirection;
286: }
287: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.30 albertel 288: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 289: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 290: my $location=&Apache::lonxml::get_param('location',$parstack,
291: $safeeval);
1.1 albertel 292: &Apache::lonxml::debug("Got a name of :$name:");
1.55 albertel 293: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
1.1 albertel 294: &Apache::lonxml::debug("Using a name of :$name:");
295: push @{ $Apache::response::itemgroup{'names'} }, $name;
296: $Apache::response::itemgroup{"$name.text"} = $text;
1.3 albertel 297: $Apache::response::itemgroup{"$name.location"} = $location;
1.1 albertel 298: }
299: if ($target eq 'edit') {
300: $result.= &Apache::edit::tag_end($target,$token,'');
301: }
302: return $result;
303: }
304:
305: sub insert_item {
306: return '
307: <item name="">
308: <startouttext />
309: <endouttext />
310: </item>';
311: }
312:
313: %Apache::response::foilgroup=();
314: sub start_foilgroup {
315: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
316: my $result;
317: %Apache::response::foilgroup=();
318: $Apache::matchresponse::conceptgroup=0;
1.81 raeburn 319: &Apache::response::pushrandomnumber(undef,$target);
1.1 albertel 320: if ($target eq 'edit') {
321: $result.=&Apache::edit::start_table($token)
1.92 golterma 322: .'<tr><td>'.&Apache::loncommon::insert_folding_button()
323: .&mt('Collection Of Foils').'</td>'
1.72 bisitz 324: .'<td><span class="LC_nobreak">'.&mt('Delete?')
1.1 albertel 325: .&Apache::edit::deletelist($target,$token)
1.72 bisitz 326: .'</span></td>'
1.73 raeburn 327: .'<td> '.&Apache::edit::end_row()
1.1 albertel 328: .&Apache::edit::start_spanning_row()."\n";
329: }
330: return $result;
331: }
332:
333: sub end_foilgroup {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
335: my $result;
1.67 foxr 336: my $part = $Apache::inputtags::part;
1.68 raeburn 337: my $response_id = $Apache::inputtags::response[-1];
1.67 foxr 338:
1.28 albertel 339: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 340: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
341: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
342: $safeeval,'-2');
1.5 sakharuk 343: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 344: $result=&displayfoils($target,$max,$randomize);
1.60 albertel 345: $Apache::lonxml::post_evaluate=0;
1.1 albertel 346: } elsif ($target eq 'answer' ) {
347: $result=&displayanswers($max,$randomize);
348: } elsif ( $target eq 'grade') {
349: &grade_response($max,$randomize);
1.28 albertel 350: } elsif ( $target eq 'analyze') {
351: my @shown=&whichfoils($max,$randomize);
352: &Apache::response::analyze_store_foilgroup(\@shown,
1.29 albertel 353: ['text','value','location']);
1.28 albertel 354: #FIXME need to store options in some way
1.1 albertel 355: }
1.82 raeburn 356: my ($numrows,$bubbles_per_row);
357: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
358: my $numitems;
359: if (ref($Apache::response::itemgroup{'names'}) eq 'ARRAY') {
360: $numitems = scalar(@{ $Apache::response::itemgroup{'names'} });
361: ($numrows,$bubbles_per_row) =
362: &Apache::optionresponse::getnumrows($numitems);
363: }
364: }
365: if ($numrows < 1) {
366: $numrows = 1;
367: }
368: my $increment = &getfoilcounts($max) * $numrows;
369: &Apache::lonxml::increment_counter($increment,"$part.$response_id");
1.66 foxr 370: if ($target eq 'analyze') {
371: &Apache::lonhomework::set_bubble_lines();
372: }
373:
1.1 albertel 374: } elsif ($target eq 'edit') {
375: $result=&Apache::edit::end_table();
376: }
1.41 albertel 377: &Apache::response::poprandomnumber();
1.1 albertel 378: return $result;
1.29 albertel 379: }
380:
381: sub whichfoils {
382: my ($max,$randomize)=@_;
383: return &Apache::response::whichorder(&getfoilcounts($max),
384: $randomize,
385: &Apache::response::showallfoils(),
386: \%Apache::response::foilgroup);
1.1 albertel 387: }
388:
389: sub displayanswers {
390: my ($max,$randomize,@opt)=@_;
1.84 raeburn 391: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
392: if (!@{ $Apache::response::foilgroup{'names'} }) { return; }
393: } else {
394: return;
395: }
1.1 albertel 396: my @names = @{ $Apache::response::foilgroup{'names'} };
1.18 albertel 397: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
398: $randomize,
399: &Apache::response::showallfoils(),
400: \%Apache::response::foilgroup);
1.1 albertel 401: my %name_letter_map;
1.84 raeburn 402: if (ref($Apache::response::itemgroup{'name_letter_map'}) eq 'HASH') {
403: if (%{$Apache::response::itemgroup{'name_letter_map'}}) {
404: %name_letter_map=
405: %{ $Apache::response::itemgroup{'name_letter_map'} };
406: }
1.1 albertel 407: }
1.56 albertel 408: my $result;
409: if ($Apache::lonhomework::type eq 'exam') {
410: my $i=0;
411: foreach my $name (@whichfoils) {
412: $result.=&Apache::response::answer_header('matchresponse',$i++);
413: my $value_name=$Apache::response::foilgroup{$name.'.value'};
414: my $letter=$name_letter_map{$value_name};
415: $result.=&Apache::response::answer_part('matchresponse',$letter);
416: $result.=&Apache::response::answer_footer('matchresponse');
417: }
418: } else {
419: $result=&Apache::response::answer_header('matchresponse');
420: foreach my $name (@whichfoils) {
421: my $value_name=$Apache::response::foilgroup{$name.'.value'};
422: my $letter=$name_letter_map{$value_name};
423: $result.=&Apache::response::answer_part('matchresponse',$letter);
424: }
425: $result.=&Apache::response::answer_footer('matchresponse');
1.1 albertel 426: }
427: return $result;
428: }
429:
430:
431: sub grade_response {
432: my ($max,$randomize)=@_;
1.18 albertel 433: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
434: $randomize,
435: &Apache::response::showallfoils(),
436: \%Apache::response::foilgroup);
1.50 albertel 437: if (!&Apache::response::submitted()) { return; }
1.1 albertel 438: my %responsehash;
439: my %grade;
1.81 raeburn 440: my %answerhash;
1.33 albertel 441: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1 albertel 442: my %letter_name_map;
1.84 raeburn 443: if (ref($Apache::response::itemgroup{'letter_name_map'}) eq 'HASH') {
444: if (%{$Apache::response::itemgroup{'letter_name_map'}}) {
445: %letter_name_map=
446: %{ $Apache::response::itemgroup{'letter_name_map'} };
447: }
1.1 albertel 448: }
1.30 albertel 449: my @items;
1.82 raeburn 450: my $numitems = scalar(@{ $Apache::response::itemgroup{'names'} });
451: my ($numrows,$bubbles_per_row);
452: if ($Apache::lonhomework::scantronmode) {
453: my $numitems = scalar(@{ $Apache::response::itemgroup{'names'} });
454: ($numrows,$bubbles_per_row) =
455: &Apache::optionresponse::getnumrows($numitems);
456: }
457: if ($numrows < 1) {
458: $numrows = 1;
459: }
460: my @alphabet=('A'..'Z');
461: my %nums_from_letters;
462: for (my $i=0; $i<@alphabet; $i++) {
463: $nums_from_letters{$alphabet[$i]} = $i;
464: }
1.1 albertel 465: foreach my $name (@whichfoils) {
1.82 raeburn 466: my $response;
467: if ($numrows > 1) {
468: my $num = $temp;
469: my $totalnum;
470: for (my $i=0; $i<$numrows; $i++) {
471: my $item = &Apache::response::getresponse($num,'letter');
472: if ($item =~ /^\w$/) {
473: $totalnum = $i*$bubbles_per_row + $nums_from_letters{$item};
474: }
475: $num ++;
476: }
477: if ($totalnum =~ /^\d+$/) {
478: $response = $alphabet[$totalnum];
479: }
480: $temp += $numrows;
481: } else {
482: $response = &Apache::response::getresponse($temp,'letter');
483: $temp ++;
484: }
1.30 albertel 485: push(@items,$response);
1.1 albertel 486: my $responsename = $letter_name_map{$response};
487: my $value=$Apache::response::foilgroup{$name.'.value'};
1.81 raeburn 488: if ($Apache::lonhomework::type eq 'randomizetry') {
489: $answerhash{$name} = $value;
490: }
1.1 albertel 491: if ( $response =~ /[^\s]/) {
1.31 albertel 492: $responsehash{$name}=$responsename;
1.33 albertel 493: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
1.1 albertel 494: if ($value eq $responsename) {
495: $grade{$name}='1'; $right++;
496: } else {
497: $grade{$name}='0'; $wrong++;
498: }
499: } else {
500: $ignored++;
501: }
502: }
503: my $part=$Apache::inputtags::part;
1.86 raeburn 504: my $nonlenient=&Apache::optionresponse::grading_is_nonlenient($part);
1.1 albertel 505: my $id = $Apache::inputtags::response['-1'];
506: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.30 albertel 507: my $itemstr =&Apache::lonnet::array2str(@items);
1.1 albertel 508: my $gradestr =&Apache::lonnet::hash2str(%grade);
1.30 albertel 509: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
1.1 albertel 510: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
511: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
512: $responsestr;
1.30 albertel 513: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
514: $itemstr;
1.1 albertel 515: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
516: $gradestr;
1.81 raeburn 517: if ($Apache::lonhomework::type eq 'randomizetry') {
518: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
519: }
1.79 raeburn 520: if (($Apache::lonhomework::type eq 'survey') ||
521: ($Apache::lonhomework::type eq 'surveycred') ||
522: ($Apache::lonhomework::type eq 'anonsurvey') ||
523: ($Apache::lonhomework::type eq 'anonsurveycred')) {
1.47 albertel 524: if ($ignored == 0) {
1.79 raeburn 525: my $ad;
526: if ($Apache::lonhomework::type eq 'anonsurvey') {
527: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
528: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
529: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
530: } elsif ($Apache::lonhomework::type eq 'surveycred') {
531: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
532: } else {
533: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
534: }
1.47 albertel 535: &Apache::response::handle_previous(\%previous,$ad);
536: } elsif ($wrong==0 && $right==0) {
537: } else {
538: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
539: &Apache::response::handle_previous(\%previous,$ad);
540: }
1.83 raeburn 541: } elsif ($nonlenient) {
542: my $ad;
543: if ($wrong==0 && $ignored==0) {
544: $ad='EXACT_ANS';
545: } elsif ($wrong==0 && $right==0) {
546: #nothing submitted
547: } else {
548: if ($ignored==0) {
549: $ad='INCORRECT';
550: } else {
551: $ad='MISSING_ANSWER';
552: }
553: }
554: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
555: &Apache::response::handle_previous(\%previous,$ad);
1.34 albertel 556: } else {
1.83 raeburn 557: my $ad;
558: if ($wrong==0 && $right==0) {
559: #nothing submitted only assign a score if we
560: #need to override a previous grade
561: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
562: $ad='ASSIGNED_SCORE';
563: }
564: } else {
565: $ad='ASSIGNED_SCORE';
566: }
567: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
568: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
569: $right/(scalar(@whichfoils));
570: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
571: scalar(@whichfoils);
1.34 albertel 572: }
1.1 albertel 573: }
574:
1.64 albertel 575: sub format_prior_answer {
576: my ($mode,$answer,$other_data) = @_;
577: my %answer =&Apache::lonnet::str2hash($answer);
578: my $foil_order =$other_data->[0];
579: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
580: my @items =&Apache::lonnet::str2array($other_data->[2]);
581: my $output;
582:
583: foreach my $name (@{ $foil_order }) {
1.90 bisitz 584: my $item = &HTML::Entities::encode(shift(@items),'<>&"');
1.91 bisitz 585: if ($item eq '') {
586: $item = ' ';
587: }
1.64 albertel 588: $output .= '<tr><td>'.$item.'</td></tr>';
589: }
590: return if (!defined($output));
591:
592: $output = '<table class="LC_prior_match">'.$output.'</table>';
593: return $output;
594: }
595:
1.4 albertel 596: sub itemdisplay {
597: my ($location)=@_;
598: if ($location eq 'top' &&
599: !defined($Apache::matchresponse::itemtable{'location'})) {
600: return $Apache::matchresponse::itemtable{'display'};
601: }
602: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
603: return $Apache::matchresponse::itemtable{'display'};
604: }
605: return undef;
606: }
1.64 albertel 607:
1.1 albertel 608: sub displayfoils {
609: my ($target,$max,$randomize)=@_;
1.62 foxr 610: my ($tabsize, $lefttabsize, $righttabsize);
611:
1.1 albertel 612: my $result;
1.4 albertel 613: my $question;
1.18 albertel 614: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
615: $randomize,
616: &Apache::response::showallfoils(),
617: \%Apache::response::foilgroup);
1.1 albertel 618: my $part=$Apache::inputtags::part;
619: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
620: my %letter_name_map;
1.84 raeburn 621: if (ref($Apache::response::itemgroup{'letter_name_map'}) eq 'HASH') {
622: if (%{$Apache::response::itemgroup{'letter_name_map'}}) {
623: %letter_name_map=
624: %{ $Apache::response::itemgroup{'letter_name_map'} };
625: }
1.1 albertel 626: }
627: my %name_letter_map;
1.84 raeburn 628: if (ref($Apache::response::itemgroup{'name_letter_map'}) eq 'HASH') {
629: if (%{$Apache::response::itemgroup{'name_letter_map'}}) {
630: %name_letter_map=
631: %{ $Apache::response::itemgroup{'name_letter_map'} };
632: }
1.1 albertel 633: }
1.25 albertel 634: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1 albertel 635: foreach my $name (@whichfoils) {
636: my $text=$Apache::response::foilgroup{$name.'.text'};
637: my $value=$Apache::response::foilgroup{$name.'.value'};
638: my $letter=$name_letter_map{$value};
1.5 sakharuk 639: if ($target eq 'tex') {
640: $question.=' \\\\ '.$letter.':'.$text;
641: } else {
1.53 albertel 642: $question.='<br /><b>'.$letter.':</b> '.$text;
1.5 sakharuk 643: }
1.1 albertel 644: }
645: } else {
646: my $i = 0;
1.36 albertel 647: my $temp=1;
1.1 albertel 648: my $id=$Apache::inputtags::response[-1];
649: my $part=$Apache::inputtags::part;
1.81 raeburn 650: my ($lastresponse,$newvariation);
651: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
652: ($Apache::lonhomework::type eq 'randomizetry')) &&
653: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
654: if ($env{'form.'.$part.'.rndseed'} ne
655: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
656: $newvariation = 1;
657: }
658: }
1.89 raeburn 659: unless ($newvariation) {
660: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
661: (($env{'form.grade_username'} eq $env{'user.name'}) &&
662: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
663: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
664: } else {
665: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
666: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
667: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
668: }
669: }
1.79 raeburn 670: }
1.89 raeburn 671:
1.9 sakharuk 672: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
673: my @alphabet=('A'..'Z');
1.15 albertel 674: my @used_letters=sort(keys(%letter_name_map));
1.20 sakharuk 675: my $internal_counter=$Apache::lonxml::counter;
1.82 raeburn 676: my ($numrows,$bubbles_per_row);
677: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
678: ($numrows,$bubbles_per_row) =
679: &Apache::optionresponse::getnumrows(scalar(@used_letters));
680: } else {
681: $numrows = 1;
682: }
1.1 albertel 683: foreach my $name (@whichfoils) {
684: my $lastopt=$lastresponse{$name};
685: my $last_letter=$name_letter_map{$lastopt};
1.5 sakharuk 686: my $optionlist = '';
1.7 sakharuk 687: if ($target ne 'tex') {
688: $optionlist="<option></option>\n";
689: } else {
690: if ($Apache::lonhomework::type ne 'exam') {
1.76 onken 691: if($env{'form.pdfFormFields'} eq 'yes'
692: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
1.75 raeburn 693: my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
694: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
695: } else {
1.77 foxr 696:
1.75 raeburn 697: $optionlist='\framebox[10 mm][s]{\tiny\strut}';
698: }
1.74 raeburn 699: }
1.7 sakharuk 700: }
1.1 albertel 701: my $option;
1.15 albertel 702: foreach $option (@used_letters) {
1.1 albertel 703: if ($option eq $last_letter) {
1.71 onken 704: if ($target ne 'tex') {
1.81 raeburn 705: $optionlist.="<option selected=\"selected\">$option</option>\n";
1.76 onken 706: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.80 onken 707: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
708: && $Apache::lonhomework::type ne 'exam') {
1.75 raeburn 709: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
1.71 onken 710: }
1.1 albertel 711: } else {
1.71 onken 712: if ($target ne 'tex') {
713: $optionlist.="<option>$option</option>\n";
1.76 onken 714: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.80 onken 715: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
716: && $Apache::lonhomework::type ne 'exam') {
1.75 raeburn 717: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
1.71 onken 718: }
1.1 albertel 719: }
720: }
1.19 sakharuk 721: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.61 albertel 722: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
723: $part.'\');" name="HWVAL_'.
1.5 sakharuk 724: $Apache::inputtags::response[-1].':'.$temp.'">'.
725: $optionlist."</select>\n";
726: }
1.1 albertel 727: my $text=$Apache::response::foilgroup{$name.'.text'};
1.62 foxr 728: #
729: # Factor out the tex computations of the left/right 1/2 minipage
730: # widths for left or right positioning. This allows us
731: # to, if necessary constrain the bubble widths:
732: #
733: if ($target eq 'tex' &&
734: (&itemdisplay('left') || &itemdisplay('right'))) {
735: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
736: ($lefttabsize,$righttabsize)=(0,0);
737: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
738: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
739: $lefttabsize=$tabsize*$1/100;
740: $righttabsize=0.95*($tabsize-$lefttabsize);
741: } else {
742: $tabsize=~/(\d+\.?\d*)/;
743: $lefttabsize=$1/2.1;
744: $righttabsize=0.95*($1-$lefttabsize);
745: }
746: }
1.5 sakharuk 747: if ($target ne 'tex') {
1.19 sakharuk 748: if ($Apache::lonhomework::type ne 'exam') {
1.45 albertel 749: $question.="<br />\n".$optionlist.$text;
1.19 sakharuk 750: } else {
1.45 albertel 751: $question.="<br />\n".$text;
1.19 sakharuk 752: }
1.6 sakharuk 753: if ($Apache::lonhomework::type eq 'exam') {
1.42 albertel 754: my @blank;
755: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
1.6 sakharuk 756: }
757: } else {
1.62 foxr 758: # Note that if left or right positioned, we must
759: # confine the bubbles to righttabsize:
760: #
1.80 onken 761: if ($Apache::lonhomework::type eq 'exam') {
1.6 sakharuk 762: $question.=' '.$optionlist.$text."\n";
1.13 sakharuk 763: my @emptyItems = ();
1.16 albertel 764: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.62 foxr 765: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
1.82 raeburn 766: .'\item \hskip -3mm ';
767: if ($numrows == 1) {
768: $question .= '\textbf{'.$internal_counter.'}';
769: } else {
770: my $linetext;
771: for (my $i=0; $i<$numrows; $i++) {
772: $linetext .= $internal_counter+$i.', ';
773: }
774: $linetext =~ s/,\s$//;
775: $question .= '\small {\textbf{'.$linetext.'}} '.
776: '\hskip 2 mm {\footnotesize '.
777: &mt('(Bubble once in [_1] lines)',$numrows).
778: '} \vskip 3 mm';
779: }
780: my $max_width;
1.62 foxr 781: if (&itemdisplay('left') || &itemdisplay('right')) {
1.82 raeburn 782: $max_width = $righttabsize;
783: }
784: $question .= '\vskip -4 mm' . &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems,'',$max_width,$numrows,$bubbles_per_row,$internal_counter);
1.62 foxr 785: $question .= '\end{list} \vskip -8 mm \strut ';
1.82 raeburn 786: $internal_counter += $numrows;
1.6 sakharuk 787: } else {
1.76 onken 788: if($env{'form.pdfFormFields'} eq 'yes'
789: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
1.75 raeburn 790: $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
791: } else {
792: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
793: }
1.6 sakharuk 794: }
1.5 sakharuk 795: }
1.1 albertel 796: $temp++;
797: }
1.4 albertel 798: }
799: if ($result=&itemdisplay('top')) {
800: $result.=$question;
801: } elsif ($result=&itemdisplay('bottom')) {
802: $result=$question.$result;
803: } elsif ($result=&itemdisplay('right')) {
1.32 sakharuk 804: if ($target ne 'tex') {
1.45 albertel 805: #remove the first <br />
806: $question=~s|<br />||;
807: $result='<table><tr><td valign="top">'.$question.
808: '</td><td valign="top">'.$result.'</td></tr></table>';
1.32 sakharuk 809: } else {
1.43 sakharuk 810: $lefttabsize.=' mm ';
811: $righttabsize.=' mm ';
812: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
1.32 sakharuk 813: }
1.4 albertel 814: } elsif ($result=&itemdisplay('left')) {
1.32 sakharuk 815: if ($target ne 'tex') {
1.45 albertel 816: #remove the first <br />
817: $question=~s|<br />||;
818: $result='<table><tr><td valign="top">'.$result.
819: '</td><td valign="top">'.$question.'</td></tr></table>';
1.32 sakharuk 820: } else {
1.43 sakharuk 821: $lefttabsize.=' mm ';
822: $righttabsize.=' mm ';
823: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
1.32 sakharuk 824: }
1.1 albertel 825: }
1.64 albertel 826: if ($target eq 'web') {
1.81 raeburn 827: my $questiontype;
828: if ($Apache::lonhomework::type eq 'randomizetry') {
829: $questiontype = $Apache::lonhomework::type;
830: }
1.64 albertel 831: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
832: [\@whichfoils,
833: 'submissiongrading',
1.81 raeburn 834: 'submissionitems'],
835: $questiontype);
1.64 albertel 836: }
1.5 sakharuk 837: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 838: return $result;
839: }
840:
841: sub getfoilcounts {
842: my ($max)=@_;
843: # +1 since instructors will count from 1
844: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
845: if (&Apache::response::showallfoils()) { $max=$count; }
846: if ($count>$max) { $count=$max }
847: &Apache::lonxml::debug("Count is $count from $max");
848: return $count;
849: }
850:
851:
852: sub start_conceptgroup {
853: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
854: $Apache::matchresponse::conceptgroup=1;
855: %Apache::response::conceptgroup=();
856: my $result;
857: if ($target eq 'edit') {
858: $result.=&Apache::edit::tag_start($target,$token,
859: "Concept Grouped Foils");
860: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
861: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
862: }
863: if ($target eq 'modified') {
864: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
865: $safeeval,'concept');
866: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
867: }
868: return $result;
869: }
870:
871: sub end_conceptgroup {
872: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
873: $Apache::matchresponse::conceptgroup=0;
874: my $result='';
1.28 albertel 875: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
876: $target eq 'tex' || $target eq 'analyze') {
877: &Apache::response::pick_foil_for_concept($target,
878: ['value','text','location'],
879: \%Apache::hint::match,
880: $parstack,$safeeval);
1.1 albertel 881: } elsif ($target eq 'edit') {
882: $result=&Apache::edit::end_table();
883: }
884: return $result;
885: }
886:
887: sub insert_conceptgroup {
888: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
889: return $result;
890: }
891:
892: sub start_foil {
893: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
894: my $result='';
1.28 albertel 895: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 896: &Apache::lonxml::startredirection;
1.46 albertel 897: if ($target eq 'analyze') {
898: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
899: }
1.1 albertel 900: } elsif ($target eq 'edit') {
901: $result=&Apache::edit::tag_start($target,$token,"Foil");
902: my $level='-2';
903: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
904: $result.=&Apache::edit::text_arg('Name:','name',$token);
905: my @names;
1.84 raeburn 906: if (ref($Apache::response::itemgroup{'names'}) eq 'ARRAY') {
907: if (@{ $Apache::response::itemgroup{'names'} }) {
908: @names=@{ $Apache::response::itemgroup{'names'} };
909: }
1.1 albertel 910: }
911: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
912: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
913: $safeeval,'-3');
914: if ($randomize ne 'no') {
915: $result.=&Apache::edit::select_arg('Location:','location',
916: ['random','top','bottom'],$token);
917: }
918: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
919: } elsif ($target eq 'modified') {
920: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
921: $safeeval,'value',
922: 'name','location');
923: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
924: }
925: return $result;
926: }
927:
928: sub end_foil {
929: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
930: my $text ='';
931: my $result = '';
1.28 albertel 932: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 933: $text=&Apache::lonxml::endredirection;
934: }
1.48 albertel 935:
1.28 albertel 936: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
937: $target eq 'tex' || $target eq 'analyze') {
1.48 albertel 938: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
939: $text='\vskip 5mm $\triangleright$ '.$text;
940: }
1.1 albertel 941: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
942: if ($value ne 'unused') {
943: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
944: &Apache::lonxml::debug("Got a name of :$name:");
1.49 albertel 945: if (!$name) {
1.70 bisitz 946: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.49 albertel 947: $name=$Apache::lonxml::curdepth;
948: }
1.1 albertel 949: &Apache::lonxml::debug("Using a name of :$name:");
1.37 albertel 950: if (defined($Apache::response::foilnames{$name})) {
1.70 bisitz 951: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
1.37 albertel 952: }
1.38 albertel 953: $Apache::response::foilnames{$name}++;
1.37 albertel 954: my $location =&Apache::lonxml::get_param('location',$parstack,
955: $safeeval);
1.1 albertel 956: if ( $Apache::matchresponse::conceptgroup
957: && !&Apache::response::showallfoils() ) {
1.77 foxr 958:
1.1 albertel 959: push @{ $Apache::response::conceptgroup{'names'} }, $name;
960: $Apache::response::conceptgroup{"$name.value"} = $value;
1.48 albertel 961: $Apache::response::conceptgroup{"$name.text"} = $text;
1.1 albertel 962: $Apache::response::conceptgroup{"$name.location"} = $location;
963: } else {
1.77 foxr 964:
1.1 albertel 965: push @{ $Apache::response::foilgroup{'names'} }, $name;
966: $Apache::response::foilgroup{"$name.value"} = $value;
1.48 albertel 967: $Apache::response::foilgroup{"$name.text"} = $text;
1.1 albertel 968: $Apache::response::foilgroup{"$name.location"} = $location;
969: }
970: }
971: }
972: if ($target eq 'edit') {
973: $result.= &Apache::edit::tag_end($target,$token,'');
974: }
975: return $result;
976: }
977:
978: sub insert_foil {
979: return '
980: <foil name="" value="unused">
981: <startouttext />
982: <endouttext />
983: </foil>';
984: }
1.82 raeburn 985:
1.1 albertel 986: 1;
987: __END__
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