Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.141
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.141 ! albertel 4: # $Id: caparesponse.pm,v 1.140 2004/03/12 18:41:43 albertel 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;
1.129 www 32: use Apache::lonlocal;
1.3 albertel 33:
1.50 harris41 34: BEGIN {
1.89 albertel 35: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
1.3 albertel 36: }
37:
1.89 albertel 38: sub start_numericalresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
40: my $id = &Apache::response::start_response($parstack,$safeeval);
41: my $result;
42: if ($target eq 'edit') {
43: $result.=&Apache::edit::tag_start($target,$token);
44: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
45: if ($token->[1] eq 'numericalresponse') {
1.122 albertel 46: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
47: $token);
1.89 albertel 48: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
49: &Apache::loncommon::help_open_topic('Physical_Units');
50: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
51: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
52: } elsif ($token->[1] eq 'formularesponse') {
53: $result.=&Apache::edit::text_arg('Sample Points:','samples',
54: $token,40).
55: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
56: }
57: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
58: } elsif ($target eq 'modified') {
59: my $constructtag;
60: if ($token->[1] eq 'numericalresponse') {
61: $constructtag=&Apache::edit::get_new_args($token,$parstack,
62: $safeeval,'answer',
1.117 albertel 63: 'incorrect','unit',
64: 'format');
1.89 albertel 65: } elsif ($token->[1] eq 'formularesponse') {
66: $constructtag=&Apache::edit::get_new_args($token,$parstack,
67: $safeeval,'answer',
68: 'samples');
69: }
70: if ($constructtag) {
71: $result = &Apache::edit::rebuild_tag($token);
72: $result.=&Apache::edit::handle_insert();
1.22 albertel 73: }
1.89 albertel 74: } elsif ($target eq 'meta') {
75: $result=&Apache::response::meta_package_write('numericalresponse');
76: } elsif ($target eq 'answer' || $target eq 'grade') {
77: &Apache::response::reset_params();
1.96 albertel 78: } elsif ($target eq 'web') {
79: my $partid = $Apache::inputtags::part;
80: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
81: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
82: #no way to enter units, with radio buttons
83: if (lc($hideunit) eq "yes") {
84: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
85: $safeeval);
86: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
87: }
1.16 albertel 88: }
1.89 albertel 89: return $result;
1.21 albertel 90: }
91:
1.89 albertel 92: sub end_numericalresponse {
93: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 94: my $increment=1;
1.89 albertel 95: my $result = '';
96: if (!$Apache::lonxml::default_homework_loaded) {
97: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 98: }
1.125 albertel 99: my $tag;
100: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.95 albertel 101: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.140 albertel 102: &Apache::response::setup_params($tag,$safeeval);
1.90 albertel 103: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
104: my $partid = $Apache::inputtags::part;
105: my $id = $Apache::inputtags::response['-1'];
1.95 albertel 106: if ($Apache::lonhomework::type eq 'exam' &&
1.125 albertel 107: $tag eq 'formularesponse') {
1.95 albertel 108: $increment=&Apache::response::scored_response($partid,$id);
109: } else {
110: my $response = &Apache::response::getresponse();
111: if ( $response =~ /[^\s]/) {
112: my $ad;
113: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
114: &Apache::lonxml::debug("submitted a $response<br>\n");
115: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
116:
117: if ($ENV{'form.submitted'} eq 'scantron') {
1.117 albertel 118: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
119: if (!$number_of_bubbles) { $number_of_bubbles=8; }
120: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
121: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
122: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
123: my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);
1.95 albertel 124: $response=$values[$response];
125: } else {
126: $response =~ s/\\/\\\\/g;
127: $response =~ s/\'/\\\'/g;
128: }
1.115 albertel 129: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.95 albertel 130: &Apache::lonxml::debug("current $response");
131: my $expression="&caparesponse_check_list('".$response."','".
132: $$parstack[-1];
1.96 albertel 133: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
1.123 albertel 134:
135: foreach my $key (keys(%Apache::inputtags::params)) {
1.139 albertel 136: $expression.= ';my $__LC__'. #'
1.123 albertel 137: $key.'="'.$Apache::inputtags::params{$key}.'"';
138: }
139:
1.95 albertel 140: #no way to enter units, with radio buttons
1.96 albertel 141: if ($Apache::lonhomework::type eq 'exam' ||
142: lc($hideunit) eq "yes") {
1.139 albertel 143: $expression.=';my $__LC__unit=undef;';
1.95 albertel 144: }
1.123 albertel 145: #sig fig don't make much sense either
146: if (($Apache::lonhomework::type eq 'exam' ||
147: $ENV{'form.submitted'} eq 'scantron') &&
1.125 albertel 148: $tag eq 'numericalresponse') {
1.139 albertel 149: $expression.=';my $__LC__sig=undef;';
1.95 albertel 150: }
1.123 albertel 151:
1.125 albertel 152: if ($tag eq 'formularesponse') {
1.139 albertel 153: $expression.=';my $__LC__type="fml";';
1.125 albertel 154: } elsif ($tag eq 'numericalresponse') {
1.139 albertel 155: $expression.=';my $__LC__type="float";';
1.95 albertel 156: }
157: $expression.="');";
1.105 albertel 158: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
159: &Apache::lonxml::debug('answer is'.join(':',@answer));
160: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
161:
1.141 ! albertel 162: ($result,my @msgs) = &Apache::run::run($expression,$safeeval);
! 163: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1.95 albertel 164: my ($awards) = split /:/ , $result;
165: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
166: &Apache::lonxml::debug("$expression");
167: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
168: &Apache::response::handle_previous(\%previous,$ad);
169: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
170: $result='';
1.90 albertel 171: }
1.89 albertel 172: }
173: } elsif ($target eq 'web' || $target eq 'tex') {
1.90 albertel 174: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
175: $safeeval);
1.89 albertel 176: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
177: my $status = $Apache::inputtags::status['-1'];
1.114 albertel 178: if ( &Apache::response::show_answer() ) {
1.89 albertel 179: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
180: $safeeval);
181: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
182: $safeeval);
183: if ($target eq 'web') {
1.129 www 184: $result="<br />".&mt('The correct answer is')." ";
1.89 albertel 185: }
186: for (my $i=0; $i <= $#answers; $i++) {
187: my $answer=$answers[$i];
188: my $format;
189: if ($#formats > 0) {
190: $format=$formats[$i];
191: } else {
192: $format=$formats[0];
193: }
194: my $formatted;
195: if ((defined($format)) && ($format ne '')) {
1.109 albertel 196: $format=~s/e/E/g;
1.89 albertel 197: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
198: $formatted=sprintf('%.'.$format,$answer).',';
199: } else {
200: &Apache::lonxml::debug("no format answer :$answer:");
201: $formatted="$answer,";
202: }
203: if ($target eq 'tex') {
204: $formatted='';
205: #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
206: }
207: $result.=$formatted;
208: }
209: chop $result;
210: if ($target eq 'web') {
211: $result.=" $unit.<br />";
212: }
213: }
214: if ($Apache::lonhomework::type eq 'exam') {
1.118 albertel 215: my $partid=$Apache::inputtags::part;
216: my $id=$Apache::inputtags::response[-1];
1.117 albertel 217: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
1.126 albertel 218: if ($Apache::inputtags::params{'numbubbles'}) {
219: $number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
220: }
1.117 albertel 221: if (!$number_of_bubbles) { $number_of_bubbles=8; }
1.126 albertel 222:
1.89 albertel 223: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
224: $safeeval);
225: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
226: $safeeval);
1.117 albertel 227: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.90 albertel 228: my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
1.91 albertel 229: $target,$answers[0],
1.117 albertel 230: $formats[0],\@incorrect);
1.89 albertel 231: my @alphabet=('A'..'Z');
232: if ($target eq 'web') {
1.125 albertel 233: if ($tag eq 'numericalresponse') {
1.89 albertel 234: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
235: $result.= '<table border="1"><tr>';
1.116 albertel 236: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 237: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 238: my $checked='';
239: if ($previous eq $bubble_values[$ind]) {
240: $checked=" checked='on' ";
241: }
1.90 albertel 242: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.116 albertel 243: '" value="'.$bubble_values[$ind].'" '.$checked
244: .' /><b>'.$alphabet[$ind].'</b>: '.
245: $bubble_values[$ind].'</td>';
1.89 albertel 246: }
247: $result.='</tr></table>';
1.125 albertel 248: } elsif ($tag eq 'formularesponse') {
1.90 albertel 249: $result.= '<br /><br /><font color="red">
250: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
251: </textarea></font> <br /><br />';
1.89 albertel 252: }
253: } elsif ($target eq 'tex') {
1.107 sakharuk 254: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 255: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
256: }
1.125 albertel 257: if ($tag eq 'numericalresponse') {
1.90 albertel 258: my ($celllength,$number_of_tables,@table_range)=
1.128 sakharuk 259: &get_table_sizes($number_of_bubbles,\@bubble_values);
1.89 albertel 260: my $j=0;
261: my $cou=0;
262: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
263: for (my $i=0;$i<$number_of_tables;$i++) {
264: $result.='\vskip -1 mm \noindent \begin{tabular}{';
1.90 albertel 265: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 266: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 267: }
268: $result.='}';
1.90 albertel 269: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.128 sakharuk 270: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_values[$ind].'} ';
1.89 albertel 271: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
272: }
273: $cou += $table_range[$j];
274: $j++;
275: $result.='\\\\\end{tabular}\vskip 0 mm ';
276: }
277: $result.='\end{enumerate}';
278: } else {
279: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
1.93 albertel 280: my $repetition = &Apache::response::repetition();
1.89 albertel 281: $result.='\begin{enumerate}';
282: for (my $i=0;$i<$repetition;$i++) {
1.93 albertel 283: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
1.89 albertel 284: }
1.90 albertel 285: $increment=$repetition;
1.89 albertel 286: $result.= '\end{enumerate}';
287: }
288: }
289: }
290: } elsif ($target eq 'edit') {
291: $result.='</td></tr>'.&Apache::edit::end_table;
292: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.58 sakharuk 293:
1.89 albertel 294: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
295: if ($target eq 'analyze') {
296: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 297: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 298: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
299: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.89 albertel 300: }
1.125 albertel 301: if (scalar(@$tagstack)) {
1.140 albertel 302: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 303: }
1.89 albertel 304: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.58 sakharuk 305: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
306: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 307: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
308:
309: if ($target eq 'answer') {
1.125 albertel 310: $result.=&Apache::response::answer_header($tag);
1.89 albertel 311: }
312: for(my $i=0;$i<=$#answers;$i++) {
313: my $ans=$answers[$i];
1.90 albertel 314: my $fmt=$formats[0];
315: if (@formats && $#formats) {$fmt=$formats[$i];}
1.89 albertel 316: my ($high,$low);
317: if ($Apache::inputtags::params{'tol'}) {
318: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
319: }
320: my ($sighigh,$siglow);
321: if ($Apache::inputtags::params{'sig'}) {
322: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
323: }
1.125 albertel 324: if ($fmt && $tag eq 'numericalresponse') {
1.112 albertel 325: $fmt=~s/e/E/g;
1.89 albertel 326: $ans = sprintf('%.'.$fmt,$ans);
327: if ($high) {
1.90 albertel 328: $high=sprintf('%.'.$fmt,$high);
329: $low =sprintf('%.'.$fmt,$low);
1.62 sakharuk 330: }
1.60 sakharuk 331: }
1.89 albertel 332: if ($target eq 'answer') {
1.125 albertel 333: if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
334: if ($sighigh && $tag eq 'numericalresponse') {
1.101 albertel 335: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.106 sakharuk 336: $ans.= " Sig $siglow - $sighigh";
1.98 sakharuk 337: } else {
1.101 albertel 338: $ans.= " Sig <i>$siglow - $sighigh</i>";
1.98 sakharuk 339: }
340: }
1.125 albertel 341: $result.=&Apache::response::answer_part($tag,$ans);
1.89 albertel 342: } elsif ($target eq 'analyze') {
343: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
344: if ($high) {
345: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
346: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
1.58 sakharuk 347: }
1.79 sakharuk 348: }
1.36 albertel 349: }
1.102 albertel 350: if (defined($unit) and ($unit ne '') and
1.125 albertel 351: $tag eq 'numericalresponse') {
1.89 albertel 352: if ($target eq 'answer') {
1.101 albertel 353: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 354: $result.=&Apache::response::answer_part($tag,
1.106 sakharuk 355: " Unit: $unit ");
1.98 sakharuk 356: } else {
1.125 albertel 357: $result.=&Apache::response::answer_part($tag,
1.98 sakharuk 358: "Unit: <b>$unit</b>");
359: }
1.89 albertel 360: } elsif ($target eq 'analyze') {
1.103 albertel 361: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.89 albertel 362: }
363: }
1.125 albertel 364: if ($tag eq 'formularesponse' && $target eq 'answer') {
1.89 albertel 365: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
1.125 albertel 366: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 367: }
368: if ($target eq 'answer') {
1.125 albertel 369: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 370: }
1.69 sakharuk 371: }
1.121 sakharuk 372: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 373: $target eq 'tex' || $target eq 'analyze') {
374: &Apache::lonxml::increment_counter($increment);
375: }
1.89 albertel 376: &Apache::response::end_response;
377: return $result;
1.90 albertel 378: }
379:
380: sub get_table_sizes {
1.128 sakharuk 381: my ($number_of_bubbles,$rbubble_values)=@_;
382: my $scale=2; #mm for one digit
383: my $cell_width=0;
384: foreach my $member (@$rbubble_values) {
385: my $cell_width_real=0;
1.138 sakharuk 386: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$\\times\s*10\^{(\+|-)?(\d+)}\$/) {
387: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
388: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 389: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 390: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 391: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 392: } else {
1.138 sakharuk 393: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 394: }
395: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 396: }
1.132 sakharuk 397: $cell_width+=8;
1.130 sakharuk 398: my $textwidth;
399: if ($ENV{'form.textwidth'} ne '') {
1.132 sakharuk 400: $ENV{'form.textwidth'}=~/(\d*)\.?(\d*)/;
401: $textwidth=$1.'.'.$2;
1.130 sakharuk 402: } else {
1.132 sakharuk 403: $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
404: $textwidth=$1.'.'.$2;
1.130 sakharuk 405: }
1.128 sakharuk 406: my $bubbles_per_line=int($textwidth/$cell_width);
1.135 sakharuk 407: if (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
1.128 sakharuk 408: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 409: my @table_range = ();
1.128 sakharuk 410: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
411: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 412: $number_of_tables++;
1.128 sakharuk 413: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 414: }
1.128 sakharuk 415: $cell_width-=8;
1.136 sakharuk 416: $cell_width=$cell_width*3/4;
1.128 sakharuk 417: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 418: }
419:
420: sub format_number {
421: my ($number,$format,$target)=@_;
422: my $ans;
423: if ($format ne '') {
1.109 albertel 424: $format=~s/e/E/g;
1.90 albertel 425: $ans = sprintf('%.'.$format,$number);
426: } else {
427: my $format = '';
428: #What is the number? (integer,decimal,floating point)
429: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
1.113 sakharuk 430: $format = '3e';
1.90 albertel 431: } elsif ($number=~/^(\d*)\.(\d*)$/) {
432: $format = '4f';
433: } elsif ($number=~/^(\d*)$/) {
434: $format = 'd';
435: }
436: $ans = sprintf('%.'.$format,$number);
437: }
438: if ($target eq 'tex') {
439: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
440: my $number = $1;
441: my $power = $2;
442: $power=~s/^\+//;
1.124 sakharuk 443: $power=~s/^(-?)0+(\d+)/$1$2/;
444: $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs
1.90 albertel 445: }
446: }
447: return $ans;
448: }
449:
450: sub make_numerical_bubbles {
1.117 albertel 451: my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_;
1.91 albertel 452: my @bubble_values = ();
1.119 albertel 453: &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
454: my @oldseed=&Math::Random::random_get_seed();
1.117 albertel 455: if (defined($incorrect) && ref($incorrect)) {
456: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
1.126 albertel 457: if (defined($$incorrect[0]) &&
458: scalar(@$incorrect)+1 >= $number_of_bubbles) {
1.117 albertel 459: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
460: &Apache::response::setrandomnumber();
461: my @rand_inc=&Math::Random::random_permutation(@$incorrect);
462: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
463: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
464: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
1.119 albertel 465: &Math::Random::random_set_seed(@oldseed);
1.134 albertel 466: if (defined($format) && $format ne '') {
1.137 albertel 467: foreach my $value (@bubble_values) {
468: $value=&format_number($value,$format,$target);
1.134 albertel 469: }
470: }
1.117 albertel 471: return @bubble_values;
472: }
1.127 albertel 473: if (defined($$incorrect[0]) &&
474: scalar(@$incorrect)+1 < $number_of_bubbles) {
475: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
476: }
1.117 albertel 477: }
1.90 albertel 478: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 479: my @powers = (1..$number_of_bubbles);
1.90 albertel 480: &Apache::response::setrandomnumber();
481: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
482: my $power = $powers[$ind];
483: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
484: my $factor = $factors[$ind];
485: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 486: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
487: $bubble_values[$ind] = &format_number($bubble_values[$ind],
488: $format,$target);
489:
1.90 albertel 490: }
1.119 albertel 491: &Math::Random::random_set_seed(@oldseed);
1.91 albertel 492: return @bubble_values;
1.51 albertel 493: }
494:
495: sub get_tolrange {
1.89 albertel 496: my ($ans,$tol)=@_;
497: my ($high,$low);
498: if ($tol =~ /%$/) {
499: chop($tol);
500: my $change=$ans*($tol/100.0);
501: $high=$ans+$change;
502: $low=$ans-$change;
503: } else {
504: $high=$ans+$tol;
505: $low=$ans-$tol;
506: }
507: return ($high,$low);
1.52 albertel 508: }
509:
510: sub get_sigrange {
1.89 albertel 511: my ($sig)=@_;
512: &Apache::lonxml::debug("Got a sig of :$sig:");
513: my $sig_lbound;
514: my $sig_ubound;
515: if ($sig eq '') {
516: $sig_lbound = 0; #SIG_LB_DEFAULT
517: $sig_ubound =15; #SIG_UB_DEFAULT
518: } else {
519: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
520: if (!$sig_lbound) {
521: $sig_lbound = 0; #SIG_LB_DEFAULT
522: $sig_ubound =15; #SIG_UB_DEFAULT
523: }
524: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
1.133 albertel 525: }
526: if (($sig_ubound<$sig_lbound) ||
527: ($sig_lbound > 15) ||
528: ($sig =~/(\+|-)/ ) ) {
529: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
530: if ($ENV{'request.state'} eq 'construct') {
531: $errormsg.=
532: &Apache::loncommon::help_open_topic('Significant_Figures');
533: }
534: &Apache::lonxml::error($errormsg);
1.52 albertel 535: }
1.89 albertel 536: return ($sig_ubound,$sig_lbound);
1.34 albertel 537: }
538:
539: sub start_stringresponse {
1.89 albertel 540: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
541: my $result;
1.122 albertel 542: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 543: if ($target eq 'meta') {
1.104 bowersj2 544: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 545: $result=&Apache::response::meta_package_write('stringresponse');
1.104 bowersj2 546: &Apache::response::end_response();
1.122 albertel 547: } elsif ($target eq 'edit') {
548: $result.=&Apache::edit::tag_start($target,$token);
549: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
550: $result.=&Apache::edit::select_arg('Type:','type',
551: [['cs','Case Sensitive'],['ci','Case Insensitive'],
552: ['mc','Case Insensitive, Any Order'],
553: ['re','Regular Expression']],$token);
1.129 www 554: $result.=&Apache::edit::checked_arg('Answer Display:','answerdisplay',
555: [['inline','Inline']],$token);
1.122 albertel 556: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
557: } elsif ($target eq 'modified') {
1.131 albertel 558: my $constructtag;
559: $constructtag=&Apache::edit::get_new_args($token,$parstack,
560: $safeeval,'answer',
561: 'type','answerdisplay');
562: if ($constructtag) {
563: $result = &Apache::edit::rebuild_tag($token);
564: $result.=&Apache::edit::handle_insert();
565: }
1.122 albertel 566: } elsif ($target eq 'answer' || $target eq 'grade') {
567: &Apache::response::reset_params();
1.89 albertel 568: }
569: return $result;
1.34 albertel 570: }
571:
572: sub end_stringresponse {
1.122 albertel 573: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
574: my $increment=1;
575: my $result = '';
576: my $part=$Apache::inputtags::part;
577: my $id=$Apache::inputtags::response[-1];
578: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
579: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 580: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 581: &Apache::lonxml::debug("current $answer ".$token->[2]);
582: if (!$Apache::lonxml::default_homework_loaded) {
583: &Apache::lonxml::default_homework_load($safeeval);
584: }
585: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.140 albertel 586: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 587: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
588: if ($Apache::lonhomework::type eq 'exam' ||
589: $ENV{'form.submitted'} eq 'scantron') {
590: $increment=&Apache::response::scored_response($part,$id);
591: } else {
592: my $response = &Apache::response::getresponse();
593: if ( $response =~ /[^\s]/) {
594: my %previous = &Apache::response::check_for_previous($response,
595: $part,$id);
596: &Apache::lonxml::debug("submitted a $response<br>\n");
597: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
598:
599: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
600: $response;
601: my $ad;
602: if ($type eq 're' ) {
603: # if the RE wasn't in a var it likely got munged,
604: # thus grab it from the var directly
605: # my $testans=$token->[2]->{'answer'};
606: # if ($testans !~ m/^\s*\$/) {
607: # $answer=$token->[2]->{'answer'};
608: # }
609: ${$safeeval->varglob('LONCAPA_INTERNAL_response')}=
610: $response;
611: $result = &Apache::run::run('return $LONCAPA_INTERNAL_response=~m'.$answer,$safeeval);
612: &Apache::lonxml::debug("current $response");
613: &Apache::lonxml::debug("current $answer");
614: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
615: } else {
616: $response =~ s/\\/\\\\/g;
617: $response =~ s/\'/\\\'/g;
618: &Apache::lonxml::debug("current $response");
619: my $expression="&caparesponse_check_list('".$response."','".
620: $$parstack[-1];
621: foreach my $key (keys(%Apache::inputtags::params)) {
622: $expression.= ';my $'. #'
623: $key.'="'.$Apache::inputtags::params{$key}.'"';
624: }
625: $expression.="');";
626: &Apache::lonxml::debug('answer is'.join(':',$answer));
627: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=($answer);
628: $result = &Apache::run::run($expression,$safeeval);
629: my ($awards) = split /:/ , $result;
630: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
631: &Apache::lonxml::debug("$expression");
632: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
633: }
634: &Apache::response::handle_previous(\%previous,$ad);
635: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
636: }
637: }
638: } elsif ($target eq 'web' || $target eq 'tex') {
639: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
640: my $status = $Apache::inputtags::status['-1'];
641: if ( &Apache::response::show_answer() ) {
642: if ($target eq 'web') {
1.129 www 643: $result=($answerdisplay eq 'inline'?'':"<br />".&mt('The correct answer is')." ")
644: .$answer;
1.122 albertel 645: # join(', ',@answers).".<br />";
646: }
647: }
648: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
649: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
650: $increment = &Apache::response::repetition();
651: $result.='\begin{enumerate}';
652: for (my $i=0;$i<$increment;$i++) {
653: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
654: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
655: }
656: $result.= '\end{enumerate}';
657: }
658: } elsif ($target eq 'answer' || $target eq 'analyze') {
659: if ($target eq 'analyze') {
660: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 661: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.122 albertel 662: }
1.140 albertel 663: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 664: if ($target eq 'answer') {
1.125 albertel 665: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 666: }
667: # foreach my $ans (@answers) {
668: if ($target eq 'answer') {
1.125 albertel 669: $result.=&Apache::response::answer_part('stringresponse',$answer);
1.122 albertel 670: } elsif ($target eq 'analyze') {
671: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
672: $answer);
673: }
674: # }
675: my $string='Case Insensitive';
676: if ($type eq 'mc') {
677: $string='Multiple Choice';
678: } elsif ($type eq 'cs') {
679: $string='Case Sensitive';
680: } elsif ($type eq 'ci') {
681: $string='Case Insensitive';
682: } elsif ($type eq 're') {
683: $string='Regular Expression';
684: }
685: if ($target eq 'answer') {
686: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 687: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 688: "$string");
689: } else {
1.125 albertel 690: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 691: "<b>$string</b>");
692: }
693: } elsif ($target eq 'analyze') {
694: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
695: $type);
696: }
697: if ($target eq 'answer') {
1.125 albertel 698: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 699: }
700: } elsif ($target eq 'edit') {
701: $result.='</td></tr>'.&Apache::edit::end_table;
702: }
703: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
704: $target eq 'tex' || $target eq 'analyze') {
705: &Apache::lonxml::increment_counter($increment);
706: }
707: &Apache::response::end_response;
708: return $result;
1.44 albertel 709: }
710:
711: sub start_formularesponse {
1.89 albertel 712: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
713: my $result;
714: if ($target eq 'meta') {
1.104 bowersj2 715: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 716: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 717: &Apache::response::end_response();
1.89 albertel 718: } else {
719: $result.=&start_numericalresponse(@_);
720: }
721: return $result;
1.44 albertel 722: }
723:
724: sub end_formularesponse {
1.89 albertel 725: return end_numericalresponse(@_);
1.3 albertel 726: }
727:
1.1 albertel 728: 1;
1.3 albertel 729: __END__
1.89 albertel 730:
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