Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.126.2.2
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.126.2.2! albertel 4: # $Id: caparesponse.pm,v 1.126.2.1 2004/02/19 19:24:38 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;
1.3 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') {
1.122 albertel 45: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
46: $token);
1.89 albertel 47: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
48: &Apache::loncommon::help_open_topic('Physical_Units');
49: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
50: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
51: } elsif ($token->[1] eq 'formularesponse') {
52: $result.=&Apache::edit::text_arg('Sample Points:','samples',
53: $token,40).
54: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
55: }
56: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
57: } elsif ($target eq 'modified') {
58: my $constructtag;
59: if ($token->[1] eq 'numericalresponse') {
60: $constructtag=&Apache::edit::get_new_args($token,$parstack,
61: $safeeval,'answer',
1.117 albertel 62: 'incorrect','unit',
63: 'format');
1.89 albertel 64: } elsif ($token->[1] eq 'formularesponse') {
65: $constructtag=&Apache::edit::get_new_args($token,$parstack,
66: $safeeval,'answer',
67: 'samples');
68: }
69: if ($constructtag) {
70: $result = &Apache::edit::rebuild_tag($token);
71: $result.=&Apache::edit::handle_insert();
1.22 albertel 72: }
1.89 albertel 73: } elsif ($target eq 'meta') {
74: $result=&Apache::response::meta_package_write('numericalresponse');
75: } elsif ($target eq 'answer' || $target eq 'grade') {
76: &Apache::response::reset_params();
1.96 albertel 77: } elsif ($target eq 'web') {
78: my $partid = $Apache::inputtags::part;
79: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
80: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
81: #no way to enter units, with radio buttons
82: if (lc($hideunit) eq "yes") {
83: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
84: $safeeval);
85: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
86: }
1.16 albertel 87: }
1.89 albertel 88: return $result;
1.21 albertel 89: }
90:
1.89 albertel 91: sub end_numericalresponse {
92: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 93: my $increment=1;
1.89 albertel 94: my $result = '';
95: if (!$Apache::lonxml::default_homework_loaded) {
96: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 97: }
1.125 albertel 98: my $tag;
99: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.95 albertel 100: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.125 albertel 101: &Apache::response::setup_params($tag);
1.90 albertel 102: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
103: my $partid = $Apache::inputtags::part;
104: my $id = $Apache::inputtags::response['-1'];
1.95 albertel 105: if ($Apache::lonhomework::type eq 'exam' &&
1.125 albertel 106: $tag eq 'formularesponse') {
1.95 albertel 107: $increment=&Apache::response::scored_response($partid,$id);
108: } else {
109: my $response = &Apache::response::getresponse();
110: if ( $response =~ /[^\s]/) {
111: my $ad;
112: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
113: &Apache::lonxml::debug("submitted a $response<br>\n");
114: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
115:
116: if ($ENV{'form.submitted'} eq 'scantron') {
1.117 albertel 117: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
118: if (!$number_of_bubbles) { $number_of_bubbles=8; }
119: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
120: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
121: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
122: my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);
1.95 albertel 123: $response=$values[$response];
124: } else {
125: $response =~ s/\\/\\\\/g;
126: $response =~ s/\'/\\\'/g;
127: }
1.115 albertel 128: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.95 albertel 129: &Apache::lonxml::debug("current $response");
130: my $expression="&caparesponse_check_list('".$response."','".
131: $$parstack[-1];
1.96 albertel 132: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
1.123 albertel 133:
134: foreach my $key (keys(%Apache::inputtags::params)) {
135: $expression.= ';my $'. #'
136: $key.'="'.$Apache::inputtags::params{$key}.'"';
137: }
138:
1.95 albertel 139: #no way to enter units, with radio buttons
1.96 albertel 140: if ($Apache::lonhomework::type eq 'exam' ||
141: lc($hideunit) eq "yes") {
1.95 albertel 142: $expression.=';my $unit=undef;';
143: }
1.123 albertel 144: #sig fig don't make much sense either
145: if (($Apache::lonhomework::type eq 'exam' ||
146: $ENV{'form.submitted'} eq 'scantron') &&
1.125 albertel 147: $tag eq 'numericalresponse') {
1.123 albertel 148: $expression.=';my $sig=undef;';
1.95 albertel 149: }
1.123 albertel 150:
1.125 albertel 151: if ($tag eq 'formularesponse') {
1.95 albertel 152: $expression.=';my $type="fml";';
1.125 albertel 153: } elsif ($tag eq 'numericalresponse') {
1.95 albertel 154: $expression.=';my $type="float";';
155: }
156: $expression.="');";
1.105 albertel 157: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
158: &Apache::lonxml::debug('answer is'.join(':',@answer));
159: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
160:
1.95 albertel 161: $result = &Apache::run::run($expression,$safeeval);
162: my ($awards) = split /:/ , $result;
163: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
164: &Apache::lonxml::debug("$expression");
165: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
166: &Apache::response::handle_previous(\%previous,$ad);
167: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
168: $result='';
1.90 albertel 169: }
1.89 albertel 170: }
171: } elsif ($target eq 'web' || $target eq 'tex') {
1.90 albertel 172: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
173: $safeeval);
1.89 albertel 174: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
175: my $status = $Apache::inputtags::status['-1'];
1.114 albertel 176: if ( &Apache::response::show_answer() ) {
1.89 albertel 177: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
178: $safeeval);
179: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
180: $safeeval);
181: if ($target eq 'web') {
182: $result="<br />The correct answer is ";
183: }
184: for (my $i=0; $i <= $#answers; $i++) {
185: my $answer=$answers[$i];
186: my $format;
187: if ($#formats > 0) {
188: $format=$formats[$i];
189: } else {
190: $format=$formats[0];
191: }
192: my $formatted;
193: if ((defined($format)) && ($format ne '')) {
1.109 albertel 194: $format=~s/e/E/g;
1.89 albertel 195: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
196: $formatted=sprintf('%.'.$format,$answer).',';
197: } else {
198: &Apache::lonxml::debug("no format answer :$answer:");
199: $formatted="$answer,";
200: }
201: if ($target eq 'tex') {
202: $formatted='';
203: #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
204: }
205: $result.=$formatted;
206: }
207: chop $result;
208: if ($target eq 'web') {
209: $result.=" $unit.<br />";
210: }
211: }
212: if ($Apache::lonhomework::type eq 'exam') {
1.118 albertel 213: my $partid=$Apache::inputtags::part;
214: my $id=$Apache::inputtags::response[-1];
1.117 albertel 215: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
1.126 albertel 216: if ($Apache::inputtags::params{'numbubbles'}) {
217: $number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
218: }
1.117 albertel 219: if (!$number_of_bubbles) { $number_of_bubbles=8; }
1.126 albertel 220:
1.89 albertel 221: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
222: $safeeval);
223: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
224: $safeeval);
1.117 albertel 225: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.90 albertel 226: my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
1.91 albertel 227: $target,$answers[0],
1.117 albertel 228: $formats[0],\@incorrect);
1.89 albertel 229: my @alphabet=('A'..'Z');
230: if ($target eq 'web') {
1.125 albertel 231: if ($tag eq 'numericalresponse') {
1.89 albertel 232: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
233: $result.= '<table border="1"><tr>';
1.116 albertel 234: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 235: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 236: my $checked='';
237: if ($previous eq $bubble_values[$ind]) {
238: $checked=" checked='on' ";
239: }
1.90 albertel 240: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.116 albertel 241: '" value="'.$bubble_values[$ind].'" '.$checked
242: .' /><b>'.$alphabet[$ind].'</b>: '.
243: $bubble_values[$ind].'</td>';
1.89 albertel 244: }
245: $result.='</tr></table>';
1.125 albertel 246: } elsif ($tag eq 'formularesponse') {
1.90 albertel 247: $result.= '<br /><br /><font color="red">
248: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
249: </textarea></font> <br /><br />';
1.89 albertel 250: }
251: } elsif ($target eq 'tex') {
1.107 sakharuk 252: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 253: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
254: }
1.125 albertel 255: if ($tag eq 'numericalresponse') {
1.90 albertel 256: my ($celllength,$number_of_tables,@table_range)=
1.126.2.1 albertel 257: &get_table_sizes($number_of_bubbles,\@bubble_values);
1.89 albertel 258: my $j=0;
259: my $cou=0;
260: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
261: for (my $i=0;$i<$number_of_tables;$i++) {
262: $result.='\vskip -1 mm \noindent \begin{tabular}{';
1.90 albertel 263: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.126.2.1 albertel 264: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 265: }
266: $result.='}';
1.90 albertel 267: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.126.2.1 albertel 268: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_values[$ind].'} ';
1.89 albertel 269: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
270: }
271: $cou += $table_range[$j];
272: $j++;
273: $result.='\\\\\end{tabular}\vskip 0 mm ';
274: }
275: $result.='\end{enumerate}';
276: } else {
277: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
1.93 albertel 278: my $repetition = &Apache::response::repetition();
1.89 albertel 279: $result.='\begin{enumerate}';
280: for (my $i=0;$i<$repetition;$i++) {
1.93 albertel 281: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
1.89 albertel 282: }
1.90 albertel 283: $increment=$repetition;
1.89 albertel 284: $result.= '\end{enumerate}';
285: }
286: }
287: }
288: } elsif ($target eq 'edit') {
289: $result.='</td></tr>'.&Apache::edit::end_table;
290: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.58 sakharuk 291:
1.89 albertel 292: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
293: if ($target eq 'analyze') {
294: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 295: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 296: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
297: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.89 albertel 298: }
1.125 albertel 299: if (scalar(@$tagstack)) {
300: &Apache::response::setup_params($tag);
301: }
1.89 albertel 302: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.58 sakharuk 303: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
304: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 305: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
306:
307: if ($target eq 'answer') {
1.125 albertel 308: $result.=&Apache::response::answer_header($tag);
1.89 albertel 309: }
310: for(my $i=0;$i<=$#answers;$i++) {
311: my $ans=$answers[$i];
1.90 albertel 312: my $fmt=$formats[0];
313: if (@formats && $#formats) {$fmt=$formats[$i];}
1.89 albertel 314: my ($high,$low);
315: if ($Apache::inputtags::params{'tol'}) {
316: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
317: }
318: my ($sighigh,$siglow);
319: if ($Apache::inputtags::params{'sig'}) {
320: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
321: }
1.125 albertel 322: if ($fmt && $tag eq 'numericalresponse') {
1.112 albertel 323: $fmt=~s/e/E/g;
1.89 albertel 324: $ans = sprintf('%.'.$fmt,$ans);
325: if ($high) {
1.90 albertel 326: $high=sprintf('%.'.$fmt,$high);
327: $low =sprintf('%.'.$fmt,$low);
1.62 sakharuk 328: }
1.60 sakharuk 329: }
1.89 albertel 330: if ($target eq 'answer') {
1.125 albertel 331: if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
332: if ($sighigh && $tag eq 'numericalresponse') {
1.101 albertel 333: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.106 sakharuk 334: $ans.= " Sig $siglow - $sighigh";
1.98 sakharuk 335: } else {
1.101 albertel 336: $ans.= " Sig <i>$siglow - $sighigh</i>";
1.98 sakharuk 337: }
338: }
1.125 albertel 339: $result.=&Apache::response::answer_part($tag,$ans);
1.89 albertel 340: } elsif ($target eq 'analyze') {
341: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
342: if ($high) {
343: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
344: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
1.58 sakharuk 345: }
1.79 sakharuk 346: }
1.36 albertel 347: }
1.102 albertel 348: if (defined($unit) and ($unit ne '') and
1.125 albertel 349: $tag eq 'numericalresponse') {
1.89 albertel 350: if ($target eq 'answer') {
1.101 albertel 351: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 352: $result.=&Apache::response::answer_part($tag,
1.106 sakharuk 353: " Unit: $unit ");
1.98 sakharuk 354: } else {
1.125 albertel 355: $result.=&Apache::response::answer_part($tag,
1.98 sakharuk 356: "Unit: <b>$unit</b>");
357: }
1.89 albertel 358: } elsif ($target eq 'analyze') {
1.103 albertel 359: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.89 albertel 360: }
361: }
1.125 albertel 362: if ($tag eq 'formularesponse' && $target eq 'answer') {
1.89 albertel 363: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
1.125 albertel 364: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 365: }
366: if ($target eq 'answer') {
1.125 albertel 367: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 368: }
1.69 sakharuk 369: }
1.121 sakharuk 370: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 371: $target eq 'tex' || $target eq 'analyze') {
372: &Apache::lonxml::increment_counter($increment);
373: }
1.89 albertel 374: &Apache::response::end_response;
375: return $result;
1.90 albertel 376: }
377:
378: sub get_table_sizes {
1.126.2.1 albertel 379: my ($number_of_bubbles,$rbubble_values)=@_;
380: my $scale=2; #mm for one digit
381: my $cell_width=0;
382: foreach my $member (@$rbubble_values) {
383: my $cell_width_real=0;
384: if ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
385: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.126.2.2! albertel 386: } elsif ($member=~/(\d*)\.(\d*)/) {
! 387: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.126.2.1 albertel 388: } else {
389: $cell_width_real=(length($member)+1)*$scale;
390: }
391: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
392: }
1.126.2.2! albertel 393: $cell_width+=8;
1.126.2.1 albertel 394: my $textwidth;
395: if ($ENV{'form.textwidth'} ne '') {
1.126.2.2! albertel 396: $ENV{'form.textwidth'}=~/(\d*)\.?(\d*)/;
! 397: $textwidth=$1.'.'.$2;
1.90 albertel 398: } else {
1.126.2.2! albertel 399: $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
! 400: $textwidth=$1.'.'.$2;
1.90 albertel 401: }
1.126.2.1 albertel 402: my $bubbles_per_line=int($textwidth/$cell_width);
1.126.2.2! albertel 403: if (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
1.126.2.1 albertel 404: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 405: my @table_range = ();
1.126.2.1 albertel 406: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
407: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 408: $number_of_tables++;
1.126.2.1 albertel 409: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 410: }
1.126.2.1 albertel 411: $cell_width-=8;
412: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 413: }
414:
415: sub format_number {
416: my ($number,$format,$target)=@_;
417: my $ans;
418: if ($format ne '') {
1.109 albertel 419: $format=~s/e/E/g;
1.90 albertel 420: $ans = sprintf('%.'.$format,$number);
421: } else {
422: my $format = '';
423: #What is the number? (integer,decimal,floating point)
424: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
1.113 sakharuk 425: $format = '3e';
1.90 albertel 426: } elsif ($number=~/^(\d*)\.(\d*)$/) {
427: $format = '4f';
428: } elsif ($number=~/^(\d*)$/) {
429: $format = 'd';
430: }
431: $ans = sprintf('%.'.$format,$number);
432: }
433: if ($target eq 'tex') {
434: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
435: my $number = $1;
436: my $power = $2;
437: $power=~s/^\+//;
1.124 sakharuk 438: $power=~s/^(-?)0+(\d+)/$1$2/;
439: $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs
1.90 albertel 440: }
441: }
442: return $ans;
443: }
444:
445: sub make_numerical_bubbles {
1.117 albertel 446: my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_;
1.91 albertel 447: my @bubble_values = ();
1.119 albertel 448: &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
449: my @oldseed=&Math::Random::random_get_seed();
1.117 albertel 450: if (defined($incorrect) && ref($incorrect)) {
451: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
1.126 albertel 452: if (defined($$incorrect[0]) &&
453: scalar(@$incorrect)+1 >= $number_of_bubbles) {
1.117 albertel 454: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
455: &Apache::response::setrandomnumber();
456: my @rand_inc=&Math::Random::random_permutation(@$incorrect);
457: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
458: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
459: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
1.119 albertel 460: &Math::Random::random_set_seed(@oldseed);
1.126.2.2! albertel 461: if (defined($format) && $format ne '') {
! 462: foreach my $value (@bubble_values) {
! 463: $value=&format_number($value,$format,$target);
! 464: }
! 465: }
1.117 albertel 466: return @bubble_values;
467: }
1.126.2.2! albertel 468: if (defined($$incorrect[0]) &&
! 469: scalar(@$incorrect)+1 < $number_of_bubbles) {
! 470: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
! 471: }
1.117 albertel 472: }
1.90 albertel 473: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 474: my @powers = (1..$number_of_bubbles);
1.90 albertel 475: &Apache::response::setrandomnumber();
476: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
477: my $power = $powers[$ind];
478: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
479: my $factor = $factors[$ind];
480: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 481: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
482: $bubble_values[$ind] = &format_number($bubble_values[$ind],
483: $format,$target);
484:
1.90 albertel 485: }
1.119 albertel 486: &Math::Random::random_set_seed(@oldseed);
1.91 albertel 487: return @bubble_values;
1.51 albertel 488: }
489:
490: sub get_tolrange {
1.89 albertel 491: my ($ans,$tol)=@_;
492: my ($high,$low);
493: if ($tol =~ /%$/) {
494: chop($tol);
495: my $change=$ans*($tol/100.0);
496: $high=$ans+$change;
497: $low=$ans-$change;
498: } else {
499: $high=$ans+$tol;
500: $low=$ans-$tol;
501: }
502: return ($high,$low);
1.52 albertel 503: }
504:
505: sub get_sigrange {
1.89 albertel 506: my ($sig)=@_;
507: &Apache::lonxml::debug("Got a sig of :$sig:");
508: my $sig_lbound;
509: my $sig_ubound;
510: if ($sig eq '') {
511: $sig_lbound = 0; #SIG_LB_DEFAULT
512: $sig_ubound =15; #SIG_UB_DEFAULT
513: } else {
514: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
515: if (!$sig_lbound) {
516: $sig_lbound = 0; #SIG_LB_DEFAULT
517: $sig_ubound =15; #SIG_UB_DEFAULT
518: }
519: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
1.52 albertel 520: }
1.89 albertel 521: return ($sig_ubound,$sig_lbound);
1.34 albertel 522: }
523:
524: sub start_stringresponse {
1.89 albertel 525: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
526: my $result;
1.122 albertel 527: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 528: if ($target eq 'meta') {
1.104 bowersj2 529: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 530: $result=&Apache::response::meta_package_write('stringresponse');
1.104 bowersj2 531: &Apache::response::end_response();
1.122 albertel 532: } elsif ($target eq 'edit') {
533: $result.=&Apache::edit::tag_start($target,$token);
534: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
535: $result.=&Apache::edit::select_arg('Type:','type',
536: [['cs','Case Sensitive'],['ci','Case Insensitive'],
537: ['mc','Case Insensitive, Any Order'],
538: ['re','Regular Expression']],$token);
539: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
540: } elsif ($target eq 'modified') {
541: my $constructtag;
542: $constructtag=&Apache::edit::get_new_args($token,$parstack,
543: $safeeval,'answer',
544: 'type');
545: if ($constructtag) {
546: $result = &Apache::edit::rebuild_tag($token);
547: $result.=&Apache::edit::handle_insert();
548: }
549: } elsif ($target eq 'answer' || $target eq 'grade') {
550: &Apache::response::reset_params();
1.89 albertel 551: }
552: return $result;
1.34 albertel 553: }
554:
555: sub end_stringresponse {
1.122 albertel 556: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
557: my $increment=1;
558: my $result = '';
559: my $part=$Apache::inputtags::part;
560: my $id=$Apache::inputtags::response[-1];
561: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
562: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
563: &Apache::lonxml::debug("current $answer ".$token->[2]);
564: if (!$Apache::lonxml::default_homework_loaded) {
565: &Apache::lonxml::default_homework_load($safeeval);
566: }
567: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.125 albertel 568: &Apache::response::setup_params('stringresponse');
1.122 albertel 569: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
570: if ($Apache::lonhomework::type eq 'exam' ||
571: $ENV{'form.submitted'} eq 'scantron') {
572: $increment=&Apache::response::scored_response($part,$id);
573: } else {
574: my $response = &Apache::response::getresponse();
575: if ( $response =~ /[^\s]/) {
576: my %previous = &Apache::response::check_for_previous($response,
577: $part,$id);
578: &Apache::lonxml::debug("submitted a $response<br>\n");
579: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
580:
581: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
582: $response;
583: my $ad;
584: if ($type eq 're' ) {
585: # if the RE wasn't in a var it likely got munged,
586: # thus grab it from the var directly
587: # my $testans=$token->[2]->{'answer'};
588: # if ($testans !~ m/^\s*\$/) {
589: # $answer=$token->[2]->{'answer'};
590: # }
591: ${$safeeval->varglob('LONCAPA_INTERNAL_response')}=
592: $response;
593: $result = &Apache::run::run('return $LONCAPA_INTERNAL_response=~m'.$answer,$safeeval);
594: &Apache::lonxml::debug("current $response");
595: &Apache::lonxml::debug("current $answer");
596: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
597: } else {
598: $response =~ s/\\/\\\\/g;
599: $response =~ s/\'/\\\'/g;
600: &Apache::lonxml::debug("current $response");
601: my $expression="&caparesponse_check_list('".$response."','".
602: $$parstack[-1];
603: foreach my $key (keys(%Apache::inputtags::params)) {
604: $expression.= ';my $'. #'
605: $key.'="'.$Apache::inputtags::params{$key}.'"';
606: }
607: $expression.="');";
608: &Apache::lonxml::debug('answer is'.join(':',$answer));
609: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=($answer);
610: $result = &Apache::run::run($expression,$safeeval);
611: my ($awards) = split /:/ , $result;
612: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
613: &Apache::lonxml::debug("$expression");
614: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
615: }
616: &Apache::response::handle_previous(\%previous,$ad);
617: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
618: }
619: }
620: } elsif ($target eq 'web' || $target eq 'tex') {
621: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
622: my $status = $Apache::inputtags::status['-1'];
623: if ( &Apache::response::show_answer() ) {
624: if ($target eq 'web') {
625: $result="<br />The correct answer is ".$answer;
626: # join(', ',@answers).".<br />";
627: }
628: }
629: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
630: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
631: $increment = &Apache::response::repetition();
632: $result.='\begin{enumerate}';
633: for (my $i=0;$i<$increment;$i++) {
634: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
635: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
636: }
637: $result.= '\end{enumerate}';
638: }
639: } elsif ($target eq 'answer' || $target eq 'analyze') {
640: if ($target eq 'analyze') {
641: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 642: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.122 albertel 643: }
1.125 albertel 644: &Apache::response::setup_params('stringresponse');
1.122 albertel 645: if ($target eq 'answer') {
1.125 albertel 646: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 647: }
648: # foreach my $ans (@answers) {
649: if ($target eq 'answer') {
1.125 albertel 650: $result.=&Apache::response::answer_part('stringresponse',$answer);
1.122 albertel 651: } elsif ($target eq 'analyze') {
652: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
653: $answer);
654: }
655: # }
656: my $string='Case Insensitive';
657: if ($type eq 'mc') {
658: $string='Multiple Choice';
659: } elsif ($type eq 'cs') {
660: $string='Case Sensitive';
661: } elsif ($type eq 'ci') {
662: $string='Case Insensitive';
663: } elsif ($type eq 're') {
664: $string='Regular Expression';
665: }
666: if ($target eq 'answer') {
667: if ($ENV{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 668: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 669: "$string");
670: } else {
1.125 albertel 671: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 672: "<b>$string</b>");
673: }
674: } elsif ($target eq 'analyze') {
675: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
676: $type);
677: }
678: if ($target eq 'answer') {
1.125 albertel 679: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 680: }
681: } elsif ($target eq 'edit') {
682: $result.='</td></tr>'.&Apache::edit::end_table;
683: }
684: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
685: $target eq 'tex' || $target eq 'analyze') {
686: &Apache::lonxml::increment_counter($increment);
687: }
688: &Apache::response::end_response;
689: return $result;
1.44 albertel 690: }
691:
692: sub start_formularesponse {
1.89 albertel 693: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
694: my $result;
695: if ($target eq 'meta') {
1.104 bowersj2 696: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 697: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 698: &Apache::response::end_response();
1.89 albertel 699: } else {
700: $result.=&start_numericalresponse(@_);
701: }
702: return $result;
1.44 albertel 703: }
704:
705: sub end_formularesponse {
1.89 albertel 706: return end_numericalresponse(@_);
1.3 albertel 707: }
708:
1.1 albertel 709: 1;
1.3 albertel 710: __END__
1.89 albertel 711:
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