Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.111
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.111 ! sakharuk 4: # $Id: caparesponse.pm,v 1.110 2003/09/22 13:04:55 sakharuk Exp $
1.47 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: #
1.3 albertel 28:
29: package Apache::caparesponse;
30: use strict;
1.4 albertel 31: use capa;
1.3 albertel 32:
1.50 harris41 33: BEGIN {
1.89 albertel 34: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
1.3 albertel 35: }
36:
1.89 albertel 37: sub start_numericalresponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
39: my $id = &Apache::response::start_response($parstack,$safeeval);
40: my $result;
41: if ($target eq 'edit') {
42: $result.=&Apache::edit::tag_start($target,$token);
43: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
44: if ($token->[1] eq 'numericalresponse') {
45: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
46: &Apache::loncommon::help_open_topic('Physical_Units');
47: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
48: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
49: } elsif ($token->[1] eq 'stringresponse') {
50: $result.=&Apache::edit::select_arg('Type:','type',
51: [['cs','Case Sensitive'],['ci','Case Insensitive'],
52: ['mc','Case Insensitive, Any Order']],$token);
53: } elsif ($token->[1] eq 'formularesponse') {
54: $result.=&Apache::edit::text_arg('Sample Points:','samples',
55: $token,40).
56: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
57: }
58: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
59: } elsif ($target eq 'modified') {
60: my $constructtag;
61: if ($token->[1] eq 'numericalresponse') {
62: $constructtag=&Apache::edit::get_new_args($token,$parstack,
63: $safeeval,'answer',
64: 'unit','format');
65: } elsif ($token->[1] eq 'stringresponse') {
66: $constructtag=&Apache::edit::get_new_args($token,$parstack,
67: $safeeval,'answer',
68: 'type');
69: } elsif ($token->[1] eq 'formularesponse') {
70: $constructtag=&Apache::edit::get_new_args($token,$parstack,
71: $safeeval,'answer',
72: 'samples');
73: }
74: if ($constructtag) {
75: $result = &Apache::edit::rebuild_tag($token);
76: $result.=&Apache::edit::handle_insert();
1.22 albertel 77: }
1.89 albertel 78: } elsif ($target eq 'meta') {
79: $result=&Apache::response::meta_package_write('numericalresponse');
80: } elsif ($target eq 'answer' || $target eq 'grade') {
81: &Apache::response::reset_params();
1.96 albertel 82: } elsif ($target eq 'web') {
83: my $partid = $Apache::inputtags::part;
84: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
85: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
86: #no way to enter units, with radio buttons
87: if (lc($hideunit) eq "yes") {
88: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
89: $safeeval);
90: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
91: }
1.16 albertel 92: }
1.89 albertel 93: return $result;
1.21 albertel 94: }
95:
1.89 albertel 96: sub end_numericalresponse {
97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 98: my $increment=1;
1.89 albertel 99: my $result = '';
100: if (!$Apache::lonxml::default_homework_loaded) {
101: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 102: }
1.95 albertel 103: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.90 albertel 104: &Apache::response::setup_params($$tagstack[-1]);
105: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
106: my $partid = $Apache::inputtags::part;
107: my $id = $Apache::inputtags::response['-1'];
1.95 albertel 108: if ($Apache::lonhomework::type eq 'exam' &&
109: ($$tagstack[-1] eq 'formularesponse' ||
110: $$tagstack[-1] eq 'stringresponse')) {
111: $increment=&Apache::response::scored_response($partid,$id);
112: } else {
113: my $response = &Apache::response::getresponse();
114: if ( $response =~ /[^\s]/) {
115: my $ad;
116: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
117: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
118: &Apache::lonxml::debug("submitted a $response<br>\n");
119: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
120:
121: if ($ENV{'form.submitted'} eq 'scantron') {
122: my $number_of_bubbles = 8;#default values for number of bubbles
123: my (@formats)=&Apache::lonxml::get_param_var('format',
124: $parstack,$safeeval);
125: my (@answers)=&Apache::lonxml::get_param_var('answer',
126: $parstack,$safeeval);
127: my @values=&make_numerical_bubbles($number_of_bubbles,$target,
128: $answers[0],$formats[0]);
129: $response=$values[$response];
130: } else {
131: $response =~ s/\\/\\\\/g;
132: $response =~ s/\'/\\\'/g;
133: }
134: &Apache::lonxml::debug("current $response");
135: my $expression="&caparesponse_check_list('".$response."','".
136: $$parstack[-1];
1.96 albertel 137: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
1.95 albertel 138: #no way to enter units, with radio buttons
1.96 albertel 139: if ($Apache::lonhomework::type eq 'exam' ||
140: lc($hideunit) eq "yes") {
1.95 albertel 141: $expression.=';my $unit=undef;';
142: }
143: foreach my $key (keys(%Apache::inputtags::params)) {
144: $expression.= ';my $'. #'
145: $key.'="'.$Apache::inputtags::params{$key}.'"';
146: }
147: if ($$tagstack[-1] eq 'formularesponse') {
148: $expression.=';my $type="fml";';
149: } elsif ($$tagstack[-1] eq 'numericalresponse') {
150: $expression.=';my $type="float";';
151: }
152: $expression.="');";
1.105 albertel 153: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
154: &Apache::lonxml::debug('answer is'.join(':',@answer));
155: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
156:
1.95 albertel 157: $result = &Apache::run::run($expression,$safeeval);
158: my ($awards) = split /:/ , $result;
159: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
160: &Apache::lonxml::debug("$expression");
161: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
162: &Apache::response::handle_previous(\%previous,$ad);
163: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
164: $result='';
1.90 albertel 165: }
1.89 albertel 166: }
167: } elsif ($target eq 'web' || $target eq 'tex') {
1.90 albertel 168: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
169: $safeeval);
1.89 albertel 170: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
171: my $status = $Apache::inputtags::status['-1'];
1.97 albertel 172: if ( ($award =~ /^correct/
173: && lc($Apache::lonhomework::problemstatus) ne 'no')
174: || $status eq "SHOW_ANSWER"
175: || $ENV{'form.texaward'} eq 'SHOW_ANSWER') {
1.89 albertel 176: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
177: $safeeval);
178: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
179: $safeeval);
180: if ($target eq 'web') {
181: $result="<br />The correct answer is ";
182: } elsif ($target eq 'tex') {
1.94 sakharuk 183: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
184: $result='\vskip 0 mm The correct answer is \\texttt{ ';
185: }
1.89 albertel 186: }
187: for (my $i=0; $i <= $#answers; $i++) {
188: my $answer=$answers[$i];
189: my $format;
190: if ($#formats > 0) {
191: $format=$formats[$i];
192: } else {
193: $format=$formats[0];
194: }
195: my $formatted;
196: if ((defined($format)) && ($format ne '')) {
1.109 albertel 197: $format=~s/e/E/g;
1.89 albertel 198: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
199: $formatted=sprintf('%.'.$format,$answer).',';
200: } else {
201: &Apache::lonxml::debug("no format answer :$answer:");
202: $formatted="$answer,";
203: }
1.94 sakharuk 204: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
205: $result.=$formatted;
206: }
1.89 albertel 207: if ($target eq 'tex') {
208: $formatted='';
209: #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
210: }
211: $result.=$formatted;
212: }
213: chop $result;
214: if ($target eq 'web') {
215: $result.=" $unit.<br />";
1.94 sakharuk 216: } elsif ($target eq 'tex') {
217: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
218: $result.=&Apache::lonxml::latex_special_symbols($unit);
219: $result.="}. \\vskip 0 mm ";
220: }
1.89 albertel 221: }
222: }
223: if ($Apache::lonhomework::type eq 'exam') {
1.90 albertel 224: my $number_of_bubbles = 8; #default values for number of bubbles
1.89 albertel 225: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
226: $safeeval);
227: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
228: $safeeval);
1.90 albertel 229: my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
1.91 albertel 230: $target,$answers[0],
231: $formats[0]);
1.89 albertel 232: my @alphabet=('A'..'Z');
1.90 albertel 233: my $id=$Apache::inputtags::response[-1];
1.89 albertel 234: if ($target eq 'web') {
235: if ($$tagstack[-1] eq 'numericalresponse') {
236: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
237: $result.= '<table border="1"><tr>';
1.90 albertel 238: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
239: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.91 albertel 240: '" value="'.$bubble_values[$ind].'"><b>'.
241: $alphabet[$ind].'</b>: '.
242: $bubble_values[$ind].'</td>';
1.89 albertel 243: }
244: $result.='</tr></table>';
245: } elsif ($$tagstack[-1] eq 'formularesponse') {
1.90 albertel 246: $result.= '<br /><br /><font color="red">
247: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
248: </textarea></font> <br /><br />';
1.89 albertel 249: }
250: } elsif ($target eq 'tex') {
1.107 sakharuk 251: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 252: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
253: }
254: if ($$tagstack[-1] eq 'numericalresponse') {
1.90 albertel 255: my ($celllength,$number_of_tables,@table_range)=
256: &get_table_sizes($formats[0],$number_of_bubbles);
1.89 albertel 257: my $j=0;
258: my $cou=0;
259: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
260: for (my $i=0;$i<$number_of_tables;$i++) {
261: $result.='\vskip -1 mm \noindent \begin{tabular}{';
1.90 albertel 262: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.89 albertel 263: $result.='lp{'.$celllength.' mm}';
264: }
265: $result.='}';
1.90 albertel 266: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.91 albertel 267: $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$bubble_values[$ind].'} ';
1.89 albertel 268: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
269: }
270: $cou += $table_range[$j];
271: $j++;
272: $result.='\\\\\end{tabular}\vskip 0 mm ';
273: }
274: $result.='\end{enumerate}';
275: } else {
276: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
1.93 albertel 277: my $repetition = &Apache::response::repetition();
1.89 albertel 278: $result.='\begin{enumerate}';
279: for (my $i=0;$i<$repetition;$i++) {
1.93 albertel 280: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
1.89 albertel 281: }
1.90 albertel 282: $increment=$repetition;
1.89 albertel 283: $result.= '\end{enumerate}';
284: }
285: }
286: }
287: } elsif ($target eq 'edit') {
288: $result.='</td></tr>'.&Apache::edit::end_table;
289: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.58 sakharuk 290:
1.89 albertel 291: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
292: if ($target eq 'analyze') {
293: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
294: $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
295: }
296: &Apache::response::setup_params($$tagstack[-1]);
297: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.58 sakharuk 298: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
299: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 300: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
301:
302: if ($target eq 'answer') {
303: $result.=&Apache::response::answer_header($$tagstack[-1]);
304: }
305: for(my $i=0;$i<=$#answers;$i++) {
306: my $ans=$answers[$i];
1.90 albertel 307: my $fmt=$formats[0];
308: if (@formats && $#formats) {$fmt=$formats[$i];}
1.89 albertel 309: my ($high,$low);
310: if ($Apache::inputtags::params{'tol'}) {
311: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
312: }
313: my ($sighigh,$siglow);
314: if ($Apache::inputtags::params{'sig'}) {
315: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
316: }
1.102 albertel 317: if ($fmt && $$tagstack[-1] eq 'numericalresponse') {
1.89 albertel 318: $ans = sprintf('%.'.$fmt,$ans);
319: if ($high) {
1.90 albertel 320: $high=sprintf('%.'.$fmt,$high);
321: $low =sprintf('%.'.$fmt,$low);
1.62 sakharuk 322: }
1.60 sakharuk 323: }
1.89 albertel 324: if ($target eq 'answer') {
1.102 albertel 325: if ($high && $$tagstack[-1] eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
326: if ($sighigh && $$tagstack[-1] eq 'numericalresponse') {
1.101 albertel 327: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.106 sakharuk 328: $ans.= " Sig $siglow - $sighigh";
1.98 sakharuk 329: } else {
1.101 albertel 330: $ans.= " Sig <i>$siglow - $sighigh</i>";
1.98 sakharuk 331: }
332: }
1.89 albertel 333: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
334: } elsif ($target eq 'analyze') {
335: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
336: if ($high) {
337: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
338: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
1.58 sakharuk 339: }
1.79 sakharuk 340: }
1.36 albertel 341: }
1.102 albertel 342: if (defined($unit) and ($unit ne '') and
343: $$tagstack[-1] eq 'numericalresponse') {
1.89 albertel 344: if ($target eq 'answer') {
1.101 albertel 345: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.98 sakharuk 346: $result.=&Apache::response::answer_part($$tagstack[-1],
1.106 sakharuk 347: " Unit: $unit ");
1.98 sakharuk 348: } else {
349: $result.=&Apache::response::answer_part($$tagstack[-1],
350: "Unit: <b>$unit</b>");
351: }
1.89 albertel 352: } elsif ($target eq 'analyze') {
1.103 albertel 353: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.89 albertel 354: }
355: }
1.103 albertel 356: if ($type || $$tagstack[-1] eq 'stringresponse') {
1.89 albertel 357: my $string='Case Insensitive';
358: if ($type eq 'mc') {
359: $string='Multiple Choice';
360: } elsif ($type eq 'cs') {
361: $string='Case Sensitive';
362: } elsif ($type eq 'ci') {
363: $string='Case Insensitive';
364: } elsif ($type eq 'fml') {
365: $string='Formula';
366: }
367: if ($target eq 'answer') {
1.101 albertel 368: if ($ENV{'form.answer_output_mode'} eq 'tex') {
369: $result.=&Apache::response::answer_part($$tagstack[-1],
1.108 sakharuk 370: "$string");
1.101 albertel 371: } else {
372: $result.=&Apache::response::answer_part($$tagstack[-1],
373: "<b>$string</b>");
374: }
1.89 albertel 375: } elsif ($target eq 'analyze') {
1.103 albertel 376: push (@{ $Apache::lonhomework::analyze{"$part_id.str_type"} },
1.89 albertel 377: $type);
378: }
379: }
380: if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
381: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
382: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
383: }
384: if ($target eq 'answer') {
385: $result.=&Apache::response::answer_footer($$tagstack[-1]);
386: }
1.69 sakharuk 387: }
1.90 albertel 388: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
389: $target eq 'tex' || $target eq 'analyze') {
390: &Apache::lonxml::increment_counter($increment);
391: }
1.89 albertel 392: &Apache::response::end_response;
393: return $result;
1.90 albertel 394: }
395:
396: sub get_table_sizes {
397: my ($format,$number_of_bubbles)=@_;
398: my $max_val = 0;
399: if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {
400: $max_val=$1+$2+4;
401: } else {
402: $max_val=4;
403: }
404: $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
405: my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
406: my @table_range = ();
407: my $number_of_tables = int($number_of_bubbles/$max_val);
408: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
409: if ($number_of_bubbles % $max_val != 0) {
410: $number_of_tables++;
411: push @table_range,($number_of_bubbles % $max_val);
412: }
413: return ($celllength,$number_of_tables,@table_range);
414: }
415:
416: sub format_number {
417: my ($number,$format,$target)=@_;
418: my $ans;
419: if ($format ne '') {
1.109 albertel 420: $format=~s/e/E/g;
1.90 albertel 421: $ans = sprintf('%.'.$format,$number);
422: } else {
423: my $format = '';
424: #What is the number? (integer,decimal,floating point)
425: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
1.111 ! sakharuk 426: if (abs($3)>=100) {$format = 'e3';} else {$format = 'e2';}
1.90 albertel 427: } elsif ($number=~/^(\d*)\.(\d*)$/) {
428: $format = '4f';
429: } elsif ($number=~/^(\d*)$/) {
430: $format = 'd';
431: }
432: $ans = sprintf('%.'.$format,$number);
433: }
434: if ($target eq 'tex') {
435: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
436: my $number = $1;
437: my $power = $2;
438: $power=~s/^\+//;
439: $power=~s/^(-?)0+(\d+)//;
440: $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
441: }
442: }
443: return $ans;
444: }
445:
446: sub make_numerical_bubbles {
1.91 albertel 447: my ($number_of_bubbles,$target,$answer,$format) =@_;
448: my @bubble_values = ();
1.90 albertel 449: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
450: my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
451: &Apache::response::setrandomnumber();
452: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
453: my $power = $powers[$ind];
454: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
455: my $factor = $factors[$ind];
456: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 457: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
458: $bubble_values[$ind] = &format_number($bubble_values[$ind],
459: $format,$target);
460:
1.90 albertel 461: }
1.91 albertel 462: return @bubble_values;
1.51 albertel 463: }
464:
465: sub get_tolrange {
1.89 albertel 466: my ($ans,$tol)=@_;
467: my ($high,$low);
468: if ($tol =~ /%$/) {
469: chop($tol);
470: my $change=$ans*($tol/100.0);
471: $high=$ans+$change;
472: $low=$ans-$change;
473: } else {
474: $high=$ans+$tol;
475: $low=$ans-$tol;
476: }
477: return ($high,$low);
1.52 albertel 478: }
479:
480: sub get_sigrange {
1.89 albertel 481: my ($sig)=@_;
482: &Apache::lonxml::debug("Got a sig of :$sig:");
483: my $sig_lbound;
484: my $sig_ubound;
485: if ($sig eq '') {
486: $sig_lbound = 0; #SIG_LB_DEFAULT
487: $sig_ubound =15; #SIG_UB_DEFAULT
488: } else {
489: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
490: if (!$sig_lbound) {
491: $sig_lbound = 0; #SIG_LB_DEFAULT
492: $sig_ubound =15; #SIG_UB_DEFAULT
493: }
494: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
1.52 albertel 495: }
1.89 albertel 496: return ($sig_ubound,$sig_lbound);
1.34 albertel 497: }
498:
499: sub start_stringresponse {
1.89 albertel 500: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
501: my $result;
502: if ($target eq 'meta') {
1.104 bowersj2 503: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 504: $result=&Apache::response::meta_package_write('stringresponse');
1.104 bowersj2 505: &Apache::response::end_response();
1.89 albertel 506: } else {
507: $result.=&start_numericalresponse(@_);
508: }
509: return $result;
1.34 albertel 510: }
511:
512: sub end_stringresponse {
1.89 albertel 513: return end_numericalresponse(@_);
1.44 albertel 514: }
515:
516: sub start_formularesponse {
1.89 albertel 517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
518: my $result;
519: if ($target eq 'meta') {
1.104 bowersj2 520: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 521: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 522: &Apache::response::end_response();
1.89 albertel 523: } else {
524: $result.=&start_numericalresponse(@_);
525: }
526: return $result;
1.44 albertel 527: }
528:
529: sub end_formularesponse {
1.89 albertel 530: return end_numericalresponse(@_);
1.3 albertel 531: }
532:
1.1 albertel 533: 1;
1.3 albertel 534: __END__
1.89 albertel 535:
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