1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.165 2005/02/23 23:41:23 albertel Exp $
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::caparesponse;
30: use strict;
31: use capa;
32: use Apache::lonlocal;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
36: }
37:
38: sub start_numericalresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
40: my $id = &Apache::response::start_response($parstack,$safeeval);
41: my $result;
42: undef %{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
43: if ($target eq 'edit') {
44: $result.=&Apache::edit::tag_start($target,$token);
45: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
46: if ($token->[1] eq 'numericalresponse') {
47: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
48: $token).
49: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
50: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
51: &Apache::loncommon::help_open_topic('Physical_Units');
52: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
53: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
54: } elsif ($token->[1] eq 'formularesponse') {
55: $result.=&Apache::edit::text_arg('Sample Points:','samples',
56: $token,40).
57: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
58: }
59: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
60: } elsif ($target eq 'modified') {
61: my $constructtag;
62: if ($token->[1] eq 'numericalresponse') {
63: $constructtag=&Apache::edit::get_new_args($token,$parstack,
64: $safeeval,'answer',
65: 'incorrect','unit',
66: 'format');
67: } elsif ($token->[1] eq 'formularesponse') {
68: $constructtag=&Apache::edit::get_new_args($token,$parstack,
69: $safeeval,'answer',
70: 'samples');
71: }
72: if ($constructtag) {
73: $result = &Apache::edit::rebuild_tag($token);
74: $result.=&Apache::edit::handle_insert();
75: }
76: } elsif ($target eq 'meta') {
77: $result=&Apache::response::meta_package_write('numericalresponse');
78: } elsif ($target eq 'answer' || $target eq 'grade') {
79: &Apache::response::reset_params();
80: } elsif ($target eq 'web') {
81: my $partid = $Apache::inputtags::part;
82: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
83: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
84: #no way to enter units, with radio buttons
85: if (lc($hideunit) eq "yes") {
86: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
87: $safeeval);
88: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
89: }
90: if ( &Apache::response::show_answer() ) {
91: my $answertxt;
92: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
93: $safeeval);
94: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
95: $safeeval);
96: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
97: $safeeval);
98: for (my $i=0; $i <= $#answers; $i++) {
99: my $answer=$answers[$i];
100: my $format;
101: if ($#formats > 0) {
102: $format=$formats[$i];
103: } else {
104: $format=$formats[0];
105: }
106: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
107: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
108: my $formatted=&format_number($answer,$format,$target,
109: $safeeval);
110: $answertxt.=$formatted.',';
111: }
112: chop $answertxt;
113: if ($target eq 'web') {
114: $answertxt.=" $unit ";
115: }
116: $Apache::inputtags::answertxt{$id}=$answertxt;
117: }
118: }
119: return $result;
120: }
121:
122: sub end_numericalresponse {
123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
124: my $increment=1;
125: my $result = '';
126: if (!$Apache::lonxml::default_homework_loaded) {
127: &Apache::lonxml::default_homework_load($safeeval);
128: }
129: my $tag;
130: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
131: if ( $target eq 'grade' && &Apache::response::submitted() ) {
132: &Apache::response::setup_params($tag,$safeeval);
133: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
134: my $partid = $Apache::inputtags::part;
135: my $id = $Apache::inputtags::response['-1'];
136: if ($Apache::lonhomework::type eq 'exam' &&
137: $tag eq 'formularesponse') {
138: $increment=&Apache::response::scored_response($partid,$id);
139: } else {
140: my $response = &Apache::response::getresponse();
141: if ( $response =~ /[^\s]/) {
142: my $ad;
143: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
144: &Apache::lonxml::debug("submitted a $response<br>\n");
145: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
146:
147: if ( &Apache::response::submitted('scantron')) {
148: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
149: if (!$number_of_bubbles) { $number_of_bubbles=8; }
150: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
151: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
152: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
153: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
154: my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval);
155: $response=$values->[$response];
156: }
157: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
158: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
159: $$args_ref{'response'}=$response;
160: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
161:
162: foreach my $arg ('type','tol','sig','format','unit','calc',
163: 'samples') {
164: $$args_ref{$arg}=
165: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
166: }
167: foreach my $key (keys(%Apache::inputtags::params)) {
168: $$args_ref{$key}=$Apache::inputtags::params{$key};
169: }
170:
171: #no way to enter units, with radio buttons
172: if ($Apache::lonhomework::type eq 'exam' ||
173: lc($hideunit) eq "yes") {
174: delete($$args_ref{'unit'});
175: }
176: #sig fig don't make much sense either
177: if (($Apache::lonhomework::type eq 'exam' ||
178: &Apache::response::submitted('scantron')) &&
179: $tag eq 'numericalresponse') {
180: delete($$args_ref{'sig'});
181: }
182:
183: if ($tag eq 'formularesponse') {
184: $$args_ref{'type'}='fml';
185: } elsif ($tag eq 'numericalresponse') {
186: $$args_ref{'type'}='float';
187: }
188: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
189: &Apache::lonxml::debug('answer is'.join(':',@answer));
190: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
191:
192: ($result,my @msgs) =
193: &Apache::run::run("&caparesponse_check_list()",$safeeval);
194: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
195: my ($awards)=split(/:/,$result);
196: my (@awards) = split(/,/,$awards);
197: ($ad,my $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
198: &Apache::lonxml::debug('ad is'.$ad);
199: if ($ad eq 'SIG_FAIL') {
200: my ($sig_u,$sig_l)=
201: &get_sigrange($Apache::inputtags::params{'sig'});
202: $msg=join(':',$msg,$sig_l,$sig_u);
203: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
204: $Apache::inputtags::params{'sig'});
205: }
206: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
207: if ($Apache::lonhomework::type eq 'survey' &&
208: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
209: $ad eq 'EXACT_ANS')) {
210: $ad='SUBMITTED';
211: }
212: &Apache::response::handle_previous(\%previous,$ad);
213: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
214: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
215: $result='';
216: }
217: }
218: } elsif ($target eq 'web' || $target eq 'tex') {
219: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
220: $safeeval);
221: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
222: my $status = $Apache::inputtags::status['-1'];
223: if ($Apache::lonhomework::type eq 'exam') {
224: my $partid=$Apache::inputtags::part;
225: my $id=$Apache::inputtags::response[-1];
226: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
227: if ($Apache::inputtags::params{'numbubbles'}) {
228: $number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
229: }
230: if (!$number_of_bubbles) { $number_of_bubbles=8; }
231:
232: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
233: $safeeval);
234: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
235: $safeeval);
236: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
237: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
238: my ($bubble_values,$bubble_display)=
239: &make_numerical_bubbles($number_of_bubbles,
240: $target,$answers[0],
241: $formats[0],\@incorrect,$safeeval);
242: my @alphabet=('A'..'Z');
243: if ($target eq 'web') {
244: if ($tag eq 'numericalresponse') {
245: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
246: $result.= '<table border="1"><tr>';
247: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
248: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
249: my $checked='';
250: if ($previous eq $bubble_values->[$ind]) {
251: $checked=" checked='on' ";
252: }
253: $result.='<td><input type="radio" name="HWVAL_'.$id.
254: '" value="'.$bubble_values->[$ind].'" '.$checked
255: .' /><b>'.$alphabet[$ind].'</b>: '.
256: $bubble_display->[$ind].'</td>';
257: }
258: $result.='</tr></table>';
259: } elsif ($tag eq 'formularesponse') {
260: $result.= '<br /><br /><font color="red">
261: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
262: </textarea></font> <br /><br />';
263: }
264: } elsif ($target eq 'tex') {
265: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
266: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
267: }
268: if ($tag eq 'numericalresponse') {
269: my ($celllength,$number_of_tables,@table_range)=
270: &get_table_sizes($number_of_bubbles,$bubble_display);
271: my $j=0;
272: my $cou=0;
273: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
274: for (my $i=0;$i<$number_of_tables;$i++) {
275: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
276: for (my $ind=0;$ind<$table_range[$j];$ind++) {
277: $result.='p{3 mm}p{'.$celllength.' mm}';
278: }
279: $result.='}';
280: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
281: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
282: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
283: }
284: $cou += $table_range[$j];
285: $j++;
286: $result.='\\\\\end{tabular}\vskip 0 mm ';
287: }
288: $result.='\end{enumerate}';
289: } else {
290: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
291: my $repetition = &Apache::response::repetition();
292: $result.='\begin{enumerate}';
293: for (my $i=0;$i<$repetition;$i++) {
294: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
295: }
296: $increment=$repetition;
297: $result.= '\end{enumerate}';
298: }
299: }
300: }
301: } elsif ($target eq 'edit') {
302: $result.='</td></tr>'.&Apache::edit::end_table;
303: } elsif ($target eq 'answer' || $target eq 'analyze') {
304:
305: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
306: if ($target eq 'analyze') {
307: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
308: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
309: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
310: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
311: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
312: &Apache::response::check_if_computed($token,$parstack,
313: $safeeval,'answer');
314: }
315: if (scalar(@$tagstack)) {
316: &Apache::response::setup_params($tag,$safeeval);
317: }
318: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
319: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
320: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
321: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
322:
323: if ($target eq 'answer') {
324: $result.=&Apache::response::answer_header($tag);
325: }
326: for(my $i=0;$i<=$#answers;$i++) {
327: my $ans=$answers[$i];
328: my $fmt=$formats[0];
329: if (@formats && $#formats) {$fmt=$formats[$i];}
330: my ($high,$low);
331: if ($Apache::inputtags::params{'tol'}) {
332: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
333: }
334: my ($sighigh,$siglow);
335: if ($Apache::inputtags::params{'sig'}) {
336: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
337: }
338: if ($fmt && $tag eq 'numericalresponse') {
339: $fmt=~s/e/E/g;
340: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
341: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
342: $ans = &format_number($ans,$fmt,$target,$safeeval);
343: #if ($high) {
344: # $high=&format_number($high,$fmt,$target,$safeeval);
345: # $low =&format_number($low,$fmt,$target,$safeeval);
346: #}
347: }
348: if ($target eq 'answer') {
349: if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
350: if (defined($sighigh) && $tag eq 'numericalresponse') {
351: if ($ENV{'form.answer_output_mode'} eq 'tex') {
352: $ans.= " Sig $siglow - $sighigh";
353: } else {
354: $ans.= " Sig <i>$siglow - $sighigh</i>";
355: }
356: }
357: $result.=&Apache::response::answer_part($tag,$ans);
358: } elsif ($target eq 'analyze') {
359: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
360: if ($high) {
361: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
362: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
363: }
364: if ($fmt) {
365: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
366: }
367: }
368: }
369: if (defined($unit) and ($unit ne '') and
370: $tag eq 'numericalresponse') {
371: if ($target eq 'answer') {
372: if ($ENV{'form.answer_output_mode'} eq 'tex') {
373: $result.=&Apache::response::answer_part($tag,
374: " Unit: $unit ");
375: } else {
376: $result.=&Apache::response::answer_part($tag,
377: "Unit: <b>$unit</b>");
378: }
379: } elsif ($target eq 'analyze') {
380: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
381: }
382: }
383: if ($tag eq 'formularesponse' && $target eq 'answer') {
384: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
385: $result.=&Apache::response::answer_part($tag,$samples);
386: }
387: if ($target eq 'answer') {
388: $result.=&Apache::response::answer_footer($tag);
389: }
390: }
391: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
392: $target eq 'tex' || $target eq 'analyze') {
393: &Apache::lonxml::increment_counter($increment);
394: }
395: &Apache::response::end_response;
396: return $result;
397: }
398:
399: sub get_table_sizes {
400: my ($number_of_bubbles,$rbubble_values)=@_;
401: my $scale=2; #mm for one digit
402: my $cell_width=0;
403: foreach my $member (@$rbubble_values) {
404: my $cell_width_real=0;
405: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
406: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
407: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
408: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
409: } elsif ($member=~/(\d*)\.(\d*)/) {
410: $cell_width_real=(length($1)+length($2)+3)*$scale;
411: } else {
412: $cell_width_real=(length($member)+1)*$scale*0.9;
413: }
414: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
415: }
416: $cell_width+=8;
417: my $textwidth;
418: if ($ENV{'form.textwidth'} ne '') {
419: $ENV{'form.textwidth'}=~/(\d*)\.?(\d*)/;
420: $textwidth=$1.'.'.$2;
421: } else {
422: $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
423: $textwidth=$1.'.'.$2;
424: }
425: my $bubbles_per_line=int($textwidth/$cell_width);
426: if ($bubbles_per_line > $number_of_bubbles) {
427: $bubbles_per_line=$number_of_bubbles;
428: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
429: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
430: my @table_range = ();
431: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
432: if ($number_of_bubbles % $bubbles_per_line) {
433: $number_of_tables++;
434: push @table_range,($number_of_bubbles % $bubbles_per_line);
435: }
436: $cell_width-=8;
437: $cell_width=$cell_width*3/4;
438: return ($cell_width,$number_of_tables,@table_range);
439: }
440:
441: sub format_number {
442: my ($number,$format,$target,$safeeval)=@_;
443: my $ans;
444: if ($format eq '') {
445: #What is the number? (integer,decimal,floating point)
446: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
447: $format = '3e';
448: } elsif ($number=~/^(\d*)\.(\d*)$/) {
449: $format = '4f';
450: } elsif ($number=~/^(\d*)$/) {
451: $format = 'd';
452: }
453: }
454: if (!$Apache::lonxml::default_homework_loaded) {
455: &Apache::lonxml::default_homework_load($safeeval);
456: }
457: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
458: return $ans;
459: }
460:
461: sub make_numerical_bubbles {
462: my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_;
463: my @bubble_values=();
464: &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
465: my @oldseed=&Math::Random::random_get_seed();
466: if (defined($incorrect) && ref($incorrect)) {
467: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
468: if (defined($$incorrect[0]) &&
469: scalar(@$incorrect)+1 >= $number_of_bubbles) {
470: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
471: &Apache::response::setrandomnumber();
472: my @rand_inc=&Math::Random::random_permutation(@$incorrect);
473: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
474: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
475: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
476: &Math::Random::random_set_seed(@oldseed);
477: if (defined($format) && $format ne '') {
478: my @bubble_display;
479: foreach my $value (@bubble_values) {
480: push(@bubble_display,
481: &format_number($value,$format,$target,$safeeval));
482: }
483: return (\@bubble_values,\@bubble_display);
484: } else {
485: return (\@bubble_values,\@bubble_values);
486: }
487: }
488: if (defined($$incorrect[0]) &&
489: scalar(@$incorrect)+1 < $number_of_bubbles) {
490: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).").");
491: }
492: }
493: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
494: my @powers = (1..$number_of_bubbles);
495: &Apache::response::setrandomnumber();
496: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
497: my $power = $powers[$ind];
498: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
499: my $factor = $factors[$ind];
500: my @bubble_display;
501: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
502: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
503: $bubble_display[$ind] = &format_number($bubble_values[$ind],
504: $format,$target,$safeeval);
505:
506: }
507: &Math::Random::random_set_seed(@oldseed);
508: return (\@bubble_values,\@bubble_display);
509: }
510:
511: sub get_tolrange {
512: my ($ans,$tol)=@_;
513: my ($high,$low);
514: if ($tol =~ /%$/) {
515: chop($tol);
516: my $change=$ans*($tol/100.0);
517: $high=$ans+$change;
518: $low=$ans-$change;
519: } else {
520: $high=$ans+$tol;
521: $low=$ans-$tol;
522: }
523: return ($high,$low);
524: }
525:
526: sub get_sigrange {
527: my ($sig)=@_;
528: &Apache::lonxml::debug("Got a sig of :$sig:");
529: my $courseid=$ENV{'request.course.id'};
530: if (lc($ENV{"course.$courseid.disablesigfigs"}) eq 'yes') {
531: return (15,0);
532: }
533: my $sig_lbound;
534: my $sig_ubound;
535: if ($sig eq '') {
536: $sig_lbound = 0; #SIG_LB_DEFAULT
537: $sig_ubound =15; #SIG_UB_DEFAULT
538: } else {
539: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
540: if (!defined($sig_lbound)) {
541: $sig_lbound = 0; #SIG_LB_DEFAULT
542: $sig_ubound =15; #SIG_UB_DEFAULT
543: }
544: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
545: }
546: if (($sig_ubound<$sig_lbound) ||
547: ($sig_lbound > 15) ||
548: ($sig =~/(\+|-)/ ) ) {
549: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
550: if ($ENV{'request.state'} eq 'construct') {
551: $errormsg.=
552: &Apache::loncommon::help_open_topic('Significant_Figures');
553: }
554: &Apache::lonxml::error($errormsg);
555: }
556: return ($sig_ubound,$sig_lbound);
557: }
558:
559: sub start_stringresponse {
560: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
561: my $result;
562: my $id = &Apache::response::start_response($parstack,$safeeval);
563: if ($target eq 'meta') {
564: $result=&Apache::response::meta_package_write('stringresponse');
565: } elsif ($target eq 'edit') {
566: $result.=&Apache::edit::tag_start($target,$token);
567: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
568: $result.=&Apache::edit::select_arg('Type:','type',
569: [['cs','Case Sensitive'],['ci','Case Insensitive'],
570: ['mc','Case Insensitive, Any Order'],
571: ['re','Regular Expression']],$token);
572: $result.=&Apache::edit::text_arg('String to display for answer:',
573: 'answerdisplay',$token);
574: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
575: } elsif ($target eq 'modified') {
576: my $constructtag;
577: $constructtag=&Apache::edit::get_new_args($token,$parstack,
578: $safeeval,'answer',
579: 'type','answerdisplay');
580: if ($constructtag) {
581: $result = &Apache::edit::rebuild_tag($token);
582: $result.=&Apache::edit::handle_insert();
583: }
584: } elsif ($target eq 'web') {
585: if ( &Apache::response::show_answer() ) {
586: my $answer=
587: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
588: if (!defined $answer || $answer eq '') {
589: $answer=
590: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
591: }
592: $Apache::inputtags::answertxt{$id}=$answer;
593: }
594: } elsif ($target eq 'answer' || $target eq 'grade') {
595: &Apache::response::reset_params();
596: }
597: return $result;
598: }
599:
600: sub end_stringresponse {
601: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
602: my $increment=1;
603: my $result = '';
604: my $part=$Apache::inputtags::part;
605: my $id=$Apache::inputtags::response[-1];
606: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
607: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
608: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
609: &Apache::lonxml::debug("current $answer ".$token->[2]);
610: if (!$Apache::lonxml::default_homework_loaded) {
611: &Apache::lonxml::default_homework_load($safeeval);
612: }
613: if ( $target eq 'grade' && &Apache::response::submitted() ) {
614: &Apache::response::setup_params('stringresponse',$safeeval);
615: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
616: if ($Apache::lonhomework::type eq 'exam' ||
617: &Apache::response::submitted('scantron')) {
618: $increment=&Apache::response::scored_response($part,$id);
619: } else {
620: my $response = &Apache::response::getresponse();
621: if ( $response =~ /[^\s]/) {
622: my %previous = &Apache::response::check_for_previous($response,
623: $part,$id);
624: &Apache::lonxml::debug("submitted a $response<br>\n");
625: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
626: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
627: $response;
628: my ($ad,$msg);
629: if ($type eq 're' ) {
630: # if the RE wasn't in a var it likely got munged,
631: # thus grab it from the var directly
632: # my $testans=$token->[2]->{'answer'};
633: # if ($testans !~ m/^\s*\$/) {
634: # $answer=$token->[2]->{'answer'};
635: # }
636: ${$safeeval->varglob('LONCAPA::response')}=$response;
637: $result = &Apache::run::run('return $LONCAPA::response=~m'.$answer,$safeeval);
638: &Apache::lonxml::debug("current $response");
639: &Apache::lonxml::debug("current $answer");
640: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
641: } else {
642: my $args_ref=
643: \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
644:
645: $$args_ref{'response'}=$response;
646: &Apache::lonxml::debug("current $response");
647: $$args_ref{'type'}=
648: &Apache::lonxml::get_param('type',$parstack,$safeeval);
649: foreach my $key (keys(%Apache::inputtags::params)) {
650: $$args_ref{$key}=$Apache::inputtags::params{$key};
651: }
652: &Apache::lonxml::debug('answer is'.join(':',$answer));
653: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
654: ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
655: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
656: my ($awards)=split(/:/,$result);
657: my (@awards) = split(/,/,$awards);
658: ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
659: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
660: }
661: if ($Apache::lonhomework::type eq 'survey' &&
662: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
663: $ad eq 'EXACT_ANS')) {
664: $ad='SUBMITTED';
665: }
666: &Apache::response::handle_previous(\%previous,$ad);
667: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
668: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
669: }
670: }
671: } elsif ($target eq 'web' || $target eq 'tex') {
672: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
673: my $status = $Apache::inputtags::status['-1'];
674: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
675: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
676: $increment = &Apache::response::repetition();
677: $result.='\begin{enumerate}';
678: for (my $i=0;$i<$increment;$i++) {
679: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
680: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
681: }
682: $result.= '\end{enumerate}';
683: }
684: } elsif ($target eq 'answer' || $target eq 'analyze') {
685: if ($target eq 'analyze') {
686: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
687: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
688: &Apache::response::check_if_computed($token,$parstack,$safeeval,
689: 'answer');
690: }
691: &Apache::response::setup_params('stringresponse',$safeeval);
692: if ($target eq 'answer') {
693: $result.=&Apache::response::answer_header('stringresponse');
694: }
695: # foreach my $ans (@answers) {
696: if ($target eq 'answer') {
697: $result.=&Apache::response::answer_part('stringresponse',$answer);
698: } elsif ($target eq 'analyze') {
699: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
700: $answer);
701: }
702: # }
703: my $string='Case Insensitive';
704: if ($type eq 'mc') {
705: $string='Multiple Choice';
706: } elsif ($type eq 'cs') {
707: $string='Case Sensitive';
708: } elsif ($type eq 'ci') {
709: $string='Case Insensitive';
710: } elsif ($type eq 're') {
711: $string='Regular Expression';
712: }
713: if ($target eq 'answer') {
714: if ($ENV{'form.answer_output_mode'} eq 'tex') {
715: $result.=&Apache::response::answer_part('stringresponse',
716: "$string");
717: } else {
718: $result.=&Apache::response::answer_part('stringresponse',
719: "<b>$string</b>");
720: }
721: } elsif ($target eq 'analyze') {
722: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
723: $type);
724: }
725: if ($target eq 'answer') {
726: $result.=&Apache::response::answer_footer('stringresponse');
727: }
728: } elsif ($target eq 'edit') {
729: $result.='</td></tr>'.&Apache::edit::end_table;
730: }
731: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
732: $target eq 'tex' || $target eq 'analyze') {
733: &Apache::lonxml::increment_counter($increment);
734: }
735: &Apache::response::end_response;
736: return $result;
737: }
738:
739: sub start_formularesponse {
740: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
741: my $result;
742: if ($target eq 'meta') {
743: &Apache::response::start_response($parstack,$safeeval);
744: $result=&Apache::response::meta_package_write('formularesponse');
745: &Apache::response::end_response();
746: } else {
747: $result.=&start_numericalresponse(@_);
748: }
749: return $result;
750: }
751:
752: sub end_formularesponse {
753: return end_numericalresponse(@_);
754: }
755:
756: 1;
757: __END__
758:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to caparesponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework / caparesponse