loncom/homework/caparesponse/caparesponse.pm - view

File: [LON-CAPA] / loncom / homework / caparesponse / caparesponse.pm
Revision 1.254: download - view: text, annotated - select for diffs
Mon Jan 21 06:04:07 2013 UTC (11 years, 4 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_11_0_RC3, version_2_11_0_RC2, version_2_11_0_RC1, version_2_11_0, HEAD

- Bug 6577.
  - Reverse rev. 1.253. (Undesirable side effects for formularesponse and
    numericalresponse with units).

1: # The LearningOnline Network with CAPA 2: # caparesponse definition 3: # 4: # $Id: caparesponse.pm,v 1.254 2013/01/21 06:04:07 raeburn 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 Safe::Hole; 33: use Apache::lonmaxima(); 34: use Apache::lonlocal; 35: use Apache::lonnet; 36: use Apache::lonmsg(); 37: use Apache::response(); 38: use Storable qw(dclone); 39: use Apache::lonnet; 40: 41: BEGIN { 42: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse')); 43: } 44: 45: my %answer; 46: my @answers; 47: my @alphabet=('A'..'Z'); 48: 49: sub get_answer { return %answer; }; 50: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) } 51: sub pop_answer { %answer = %{pop(@answers)}; }; 52: 53: my $cur_name; 54: my $tag_internal_answer_name = 'INTERNAL'; 55: 56: sub start_answer { 57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 58: my $result; 59: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 60: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; } 61: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval); 62: if (!defined($type) && $tagstack->[-2] eq 'answergroup') { 63: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2); 64: } 65: if (!defined($type)) { $type = 'ordered' }; 66: $answer{$cur_name}= { 'type' => $type, 67: 'answers' => [] }; 68: if ($target eq 'edit') { 69: $result.=&Apache::edit::tag_start($target,$token); 70: $result.=&Apache::edit::text_arg('Name:','name',$token); 71: $result.=&Apache::edit::select_arg('Type:','type', 72: [['ordered', 'Ordered' ], 73: ['unordered','Unordered'],], 74: $token); 75: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 76: } elsif ($target eq 'modified') { 77: my $constructtag = &Apache::edit::get_new_args($token,$parstack, 78: $safeeval,'name', 79: 'type'); 80: if ($constructtag) { 81: $result = &Apache::edit::rebuild_tag($token); 82: $result.= &Apache::edit::handle_insert(); 83: } 84: } 85: return $result; 86: } 87: 88: sub end_answer { 89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 90: my $result; 91: if ($target eq 'edit') { 92: $result .= &Apache::edit::tag_end(); 93: } 94: 95: undef($cur_name); 96: return $result; 97: } 98: 99: sub insert_answer { 100: return ' 101: <answer> 102: <value></value> 103: </answer>'; 104: } 105: 106: sub start_answergroup { 107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 108: my $result; 109: if ($target eq 'edit') { 110: $result.=&Apache::edit::tag_start($target,$token); 111: $result.=&Apache::edit::select_arg('Type:','type', 112: [['ordered', 'Ordered' ], 113: ['unordered','Unordered'],], 114: $token); 115: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 116: } elsif ($target eq 'modified') { 117: my $constructtag = &Apache::edit::get_new_args($token,$parstack, 118: $safeeval,'name', 119: 'type'); 120: if ($constructtag) { 121: $result = &Apache::edit::rebuild_tag($token); 122: $result.= &Apache::edit::handle_insert(); 123: } 124: } 125: return $result; 126: } 127: 128: sub end_answergroup { 129: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 130: my $result; 131: if ($target eq 'web') { 132: if ( &Apache::response::show_answer() ) { 133: my $partid = $Apache::inputtags::part; 134: my $id = $Apache::inputtags::response[-1]; 135: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"}, 136: $target,$token,$tagstack,$parstack,$parser, 137: $safeeval,-2); 138: } 139: } elsif ($target eq 'edit') { 140: $result .= &Apache::edit::tag_end(); 141: } 142: return $result; 143: } 144: 145: sub insert_answergroup { 146: return ' 147: <answergroup> 148: <answer> 149: <value></value> 150: </answer> 151: </answergroup>'; 152: } 153: 154: sub start_value { 155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 156: my $result; 157: if ( $target eq 'web' || $target eq 'tex' || 158: $target eq 'grade' || $target eq 'webgrade' || 159: $target eq 'answer' || $target eq 'analyze' ) { 160: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style); 161: $bodytext = &Apache::run::evaluate($bodytext,$safeeval, 162: $$parstack[-1]); 163: 164: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]); 165: 166: } elsif ($target eq 'edit') { 167: $result.=&Apache::edit::tag_start($target,$token); 168: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style); 169: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40). 170: &Apache::edit::end_row(); 171: } elsif ($target eq 'modified') { 172: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser); 173: } 174: return $result; 175: } 176: 177: sub end_value { 178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 179: my $result; 180: if ($target eq 'edit') { 181: $result = &Apache::edit::end_table(); 182: } 183: return $result; 184: } 185: 186: sub insert_value { 187: return ' 188: <value></value>'; 189: } 190: 191: sub start_vector { 192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 193: my $result; 194: if ( $target eq 'web' || $target eq 'tex' || 195: $target eq 'grade' || $target eq 'webgrade' || 196: $target eq 'answer' || $target eq 'analyze' ) { 197: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style); 198: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]); 199: if (@values == 1) { 200: @values = split(',',$values[0]); 201: } 202: push(@{ $answer{$cur_name}{'answers'} },\@values); 203: } elsif ($target eq 'edit') { 204: $result.=&Apache::edit::tag_start($target,$token); 205: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style); 206: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40). 207: &Apache::edit::end_row(); 208: } elsif ($target eq 'modified') { 209: $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser); 210: } 211: return $result; 212: } 213: 214: sub end_vector { 215: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 216: my $result; 217: if ($target eq 'edit') { 218: $result = &Apache::edit::end_table(); 219: } 220: return $result; 221: } 222: 223: sub insert_vector { 224: return ' 225: <value></value>'; 226: } 227: 228: sub start_array { 229: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 230: my $result; 231: if ( $target eq 'web' || $target eq 'tex' || 232: $target eq 'grade' || $target eq 'webgrade' || 233: $target eq 'answer' || $target eq 'analyze' ) { 234: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style); 235: my @values = &Apache::run::evaluate($bodytext,$safeeval, 236: $$parstack[-1]); 237: push(@{ $answer{$cur_name}{'answers'} },@values); 238: } 239: return $result; 240: } 241: 242: sub end_array { 243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 244: my $result; 245: return $result; 246: } 247: 248: sub start_unit { 249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 250: my $result; 251: return $result; 252: } 253: 254: sub end_unit { 255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 256: my $result; 257: return $result; 258: } 259: 260: sub start_numericalresponse { 261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 262: &Apache::lonxml::register('Apache::caparesponse', 263: ('answer','answergroup','value','array','unit', 264: 'vector')); 265: push(@Apache::lonxml::namespace,'caparesponse'); 266: my $id = &Apache::response::start_response($parstack,$safeeval); 267: my $result; 268: undef(%answer); 269: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')}); 270: if ($target eq 'edit') { 271: $result.=&Apache::edit::tag_start($target,$token); 272: $result.=&Apache::edit::text_arg('Answer:','answer',$token); 273: if ($token->[1] eq 'numericalresponse') { 274: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect', 275: $token). 276: &Apache::loncommon::help_open_topic('numerical_wrong_answers'); 277: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5). 278: &Apache::loncommon::help_open_topic('Physical_Units'); 279: $result.=&Apache::edit::text_arg('Format:','format',$token,4). 280: &Apache::loncommon::help_open_topic('Numerical_Response_Format'); 281: } elsif ($token->[1] eq 'formularesponse') { 282: $result.=&Apache::edit::text_arg('Sample Points:','samples', 283: $token,40). 284: &Apache::loncommon::help_open_topic('Formula_Response_Sampling'); 285: } 286: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess', 287: $token,10); 288: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 289: } elsif ($target eq 'modified') { 290: my $constructtag; 291: if ($token->[1] eq 'numericalresponse') { 292: $constructtag=&Apache::edit::get_new_args($token,$parstack, 293: $safeeval,'answer', 294: 'incorrect','unit', 295: 'format','preprocess'); 296: } elsif ($token->[1] eq 'formularesponse') { 297: $constructtag=&Apache::edit::get_new_args($token,$parstack, 298: $safeeval,'answer', 299: 'samples','preprocess'); 300: } 301: if ($constructtag) { 302: $result = &Apache::edit::rebuild_tag($token); 303: $result.=&Apache::edit::handle_insert(); 304: } 305: } elsif ($target eq 'meta') { 306: $result=&Apache::response::meta_package_write('numericalresponse'); 307: } elsif ($target eq 'answer' || $target eq 'grade') { 308: &Apache::response::reset_params(); 309: } elsif ($target eq 'web') { 310: my $partid = $Apache::inputtags::part; 311: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit'); 312: &Apache::lonxml::debug("Got unit $hideunit for $partid $id"); 313: #no way to enter units, with radio buttons 314: if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) { 315: my $unit=&Apache::lonxml::get_param_var('unit',$parstack, 316: $safeeval); 317: if ($unit =~ /\S/) { $result.=" (in $unit) "; } 318: } 319: if ( &Apache::response::show_answer() ) { 320: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack, 321: $parstack,$parser,$safeeval,-1); 322: } 323: } 324: return $result; 325: } 326: 327: sub set_answertext { 328: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval, 329: $response_level) = @_; 330: &add_in_tag_answer($parstack,$safeeval,$response_level); 331: 332: if ($name eq '' || !ref($answer{$name})) { 333: if (ref($answer{$tag_internal_answer_name})) { 334: $name = $tag_internal_answer_name; 335: } else { 336: $name = (sort(keys(%answer)))[0]; 337: } 338: } 339: return if ($name eq '' || !ref($answer{$name})); 340: 341: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack, 342: $safeeval,$response_level); 343: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval, 344: $response_level); 345: 346: &Apache::lonxml::debug("answer looks to be $name"); 347: my @answertxt; 348: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) { 349: my $answertxt; 350: my $answer=$answer{$name}{'answers'}[$i]; 351: foreach my $element (@$answer) { 352: if ( scalar(@$tagstack) 353: && $tagstack->[$response_level] ne 'numericalresponse') { 354: $answertxt.=$element.','; 355: } else { 356: my $format; 357: if ($#formats > 0) { 358: $format=$formats[$i]; 359: } else { 360: $format=$formats[0]; 361: } 362: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; } 363: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; } 364: my $formatted=&format_number($element,$format,$target, 365: $safeeval); 366: $answertxt.=' '.$formatted.','; 367: } 368: 369: } 370: chop($answertxt); 371: if ($target eq 'web') { 372: $answertxt.=" $unit "; 373: } 374: 375: push(@answertxt,$answertxt) 376: } 377: 378: my $id = $Apache::inputtags::response[-1]; 379: $Apache::inputtags::answertxt{$id}=\@answertxt; 380: } 381: 382: sub setup_capa_args { 383: my ($safeeval,$parstack,$args,$response) = @_; 384: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')}; 385: undef(%{ $args_ref }); 386: 387: foreach my $arg (@{$args}) { 388: $$args_ref{$arg}= 389: &Apache::lonxml::get_param($arg,$parstack,$safeeval); 390: } 391: foreach my $key (keys(%Apache::inputtags::params)) { 392: $$args_ref{$key}=$Apache::inputtags::params{$key}; 393: } 394: &setup_capa_response($args_ref,$response); 395: return $args_ref; 396: } 397: 398: sub setup_capa_response { 399: my ($args_ref,$response) = @_; 400: 401: if (ref($response)) { 402: $$args_ref{'response'}=dclone($response); 403: } else { 404: $$args_ref{'response'}=dclone([$response]); 405: } 406: } 407: 408: sub check_submission { 409: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_; 410: my @args = ('type','tol','sig','format','unit','calc','samples','preprocess'); 411: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response); 412: 413: my $hideunit= 414: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit'); 415: #no way to enter units, with radio buttons 416: if ($Apache::lonhomework::type eq 'exam' || 417: lc($hideunit) eq "yes") { 418: delete($$args_ref{'unit'}); 419: } 420: #sig fig don't make much sense either 421: if (($Apache::lonhomework::type eq 'exam' || 422: &Apache::response::submitted('scantron') || 423: $ignore_sig) && 424: $tag eq 'numericalresponse') { 425: delete($$args_ref{'sig'}); 426: } 427: 428: if ($tag eq 'formularesponse') { 429: if ($$args_ref{'samples'}) { 430: $$args_ref{'type'}='fml'; 431: } else { 432: $$args_ref{'type'}='math'; 433: } 434: } elsif ($tag eq 'numericalresponse') { 435: $$args_ref{'type'}='float'; 436: } elsif ($tag eq 'stringresponse') { 437: if ($$args_ref{'type'} eq '') { 438: $$args_ref{'type'} = 'ci'; 439: } 440: } 441: 442: &add_in_tag_answer($parstack,$safeeval); 443: 444: if (!%answer) { 445: &Apache::lonxml::error("No answers are defined"); 446: } 447: 448: my (@final_awards,@final_msgs,@names); 449: foreach my $name (keys(%answer)) { 450: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} })); 451: 452: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name}); 453: &setup_capa_response($args_ref,$response); 454: use Time::HiRes; 455: my $t0 = [Time::HiRes::gettimeofday()]; 456: my ($result,@msgs) = 457: &Apache::run::run("&caparesponse_check_list()",$safeeval); 458: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0)); 459: &Apache::lonxml::debug('msgs are '.join(':',@msgs)); 460: my ($awards)=split(/:/,$result); 461: my @awards= split(/,/,$awards); 462: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs); 463: push(@final_awards,$ad); 464: push(@final_msgs,$msg); 465: push(@names,$name); 466: } 467: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards, 468: \@final_msgs, 469: \@names,1); 470: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names)); 471: return($ad,$msg, $name); 472: } 473: 474: sub stringresponse_gradechange { 475: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_; 476: return unless (ref($previous) eq 'HASH'); 477: my ($prevarray,$prevaward); 478: my %typenames = ( 479: cs => 'Case sensitive', 480: ci => 'Case insensitive', 481: ); 482: if ($caller eq 'cs') { 483: return unless (ref($previous->{'version'}) eq 'ARRAY'); 484: $prevarray = $previous->{'version'}; 485: $prevaward = $previous->{'award'}; 486: } elsif ($caller eq 'ci') { 487: return unless (ref($previous->{'versionci'}) eq 'ARRAY'); 488: $prevarray = $previous->{'versionci'}; 489: $prevaward = $previous->{'awardci'}; 490: } else { 491: return; 492: } 493: my $count=0; 494: my %count_lookup; 495: foreach my $i (1..$Apache::lonhomework::history{'version'}) { 496: my $prefix = $i.":resource.$part"; 497: next if (!exists($Apache::lonhomework::history{"$prefix.award"})); 498: $count++; 499: $count_lookup{$i} = $count; 500: } 501: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); 502: my %coursedesc = &Apache::lonnet::coursedescription($courseid); 503: my $cdom = $coursedesc{'domain'}; 504: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')'; 505: my $warning = "String Response ($typenames{$type}) grading discrepancy: award for response of $response changed from $prevaward".$versions." to $ad; user: $name:$domain in course: $courseid for part: $part response: $id for symb: $symb"; 506: &Apache::lonnet::logthis($warning); 507: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'}; 508: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail', 509: $cdom,$origmail); 510: if ($recipients ne '') { 511: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning); 512: } 513: return; 514: } 515: 516: sub add_in_tag_answer { 517: my ($parstack,$safeeval,$response_level) = @_; 518: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval, 519: $response_level); 520: &Apache::lonxml::debug('answer is'.join(':',@answer)); 521: if (@answer && $answer[0] =~ /\S/) { 522: $answer{$tag_internal_answer_name}= {'type' => 'ordered', 523: 'answers' => [\@answer] }; 524: } 525: } 526: 527: sub capa_formula_fix { 528: my ($expression)=@_; 529: return &Apache::response::implicit_multiplication($expression); 530: } 531: 532: sub end_numericalresponse { 533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 534: 535: &Apache::lonxml::deregister('Apache::caparesponse', 536: ('answer','answergroup','value','array','unit', 537: 'vector')); 538: pop(@Apache::lonxml::namespace); 539: 540: my $increment=1; 541: my $result = ''; 542: if (!$Apache::lonxml::default_homework_loaded) { 543: &Apache::lonxml::default_homework_load($safeeval); 544: } 545: my $partid = $Apache::inputtags::part; 546: my $id = $Apache::inputtags::response[-1]; 547: my $tag; 548: my $safehole = new Safe::Hole; 549: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); 550: 551: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; } 552: if ( $target eq 'grade' && &Apache::response::submitted() ) { 553: &Apache::response::setup_params($tag,$safeeval); 554: if ($Apache::lonhomework::type eq 'exam' && 555: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) { 556: $increment=&Apache::response::scored_response($partid,$id); 557: } else { 558: my $response = &Apache::response::getresponse(); 559: if ( $response =~ /[^\s]/) { 560: my %previous = &Apache::response::check_for_previous($response,$partid,$id); 561: &Apache::lonxml::debug("submitted a $response<br>\n"); 562: &Apache::lonxml::debug($$parstack[-1] . "\n<br>"); 563: 564: if ( &Apache::response::submitted('scantron')) { 565: &add_in_tag_answer($parstack,$safeeval); 566: my ($values,$display)=&make_numerical_bubbles($partid,$id, 567: $target,$parstack,$safeeval); 568: $response=$values->[$response]; 569: } 570: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; 571: my ($ad,$msg,$name)=&check_submission($response,$partid,$id, 572: $tag,$parstack, 573: $safeeval); 574: 575: &Apache::lonxml::debug('ad is'.$ad); 576: if ($ad eq 'SIG_FAIL') { 577: my ($sig_u,$sig_l)= 578: &get_sigrange($Apache::inputtags::params{'sig'}); 579: $msg=join(':',$msg,$sig_l,$sig_u); 580: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ". 581: $Apache::inputtags::params{'sig'}); 582: } 583: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n"); 584: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || 585: $ad eq 'EXACT_ANS')) { 586: if ($Apache::lonhomework::type eq 'survey') { 587: $ad='SUBMITTED'; 588: } elsif ($Apache::lonhomework::type eq 'surveycred') { 589: $ad='SUBMITTED_CREDIT'; 590: } elsif ($Apache::lonhomework::type eq 'anonsurvey') { 591: $ad='ANONYMOUS'; 592: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') { 593: $ad='ANONYMOUS_CREDIT'; 594: } 595: } 596: &Apache::response::handle_previous(\%previous,$ad); 597: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad; 598: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg; 599: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name; 600: $result=''; 601: } 602: } 603: } elsif ($target eq 'web' || $target eq 'tex') { 604: &check_for_answer_errors($parstack,$safeeval); 605: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"}; 606: my $status = $Apache::inputtags::status['-1']; 607: if ($Apache::lonhomework::type eq 'exam') { 608: # FIXME support multi dimensional numerical problems 609: # in exam bubbles 610: my ($bubble_values,$bubble_display)= 611: &make_numerical_bubbles($partid,$id,$target,$parstack, 612: $safeeval); 613: my $number_of_bubbles = scalar(@{ $bubble_values }); 614: my $unit=&Apache::lonxml::get_param_var('unit',$parstack, 615: $safeeval); 616: if ($target eq 'web') { 617: if ($tag eq 'numericalresponse') { 618: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';} 619: $result.= '<table border="1"><tr>'; 620: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"}; 621: for (my $ind=0;$ind<$number_of_bubbles;$ind++) { 622: my $checked=''; 623: if ($previous eq $bubble_values->[$ind]) { 624: $checked=" checked='on' "; 625: } 626: $result.='<td><input type="radio" name="HWVAL_'.$id. 627: '" value="'.$bubble_values->[$ind].'" '.$checked 628: .' /><b>'.$alphabet[$ind].'</b>: '. 629: $bubble_display->[$ind].'</td>'; 630: } 631: $result.='</tr></table>'; 632: } 633: } elsif ($target eq 'tex') { 634: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) { 635: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} '; 636: } 637: if ($tag eq 'numericalresponse') { 638: $result .= &make_horizontal_latex_bubbles($bubble_values, $bubble_display, 639: '$\bigcirc$'); 640: } else { 641: $increment = &Apache::response::repetition(); 642: } 643: } 644: } 645: if (($target eq 'web') && ($tag eq 'formularesponse') 646: && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') 647: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) { 648: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id"); 649: } 650: 651: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical); 652: } elsif ($target eq 'edit') { 653: $result.='</td></tr>'.&Apache::edit::end_table; 654: } elsif ($target eq 'answer' || $target eq 'analyze') { 655: my $part_id="$partid.$id"; 656: if ($target eq 'analyze') { 657: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); 658: $Apache::lonhomework::analyze{"$part_id.type"} = $tag; 659: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval); 660: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); } 661: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect); 662: &Apache::response::check_if_computed($token,$parstack, 663: $safeeval,'answer'); 664: } 665: if (scalar(@$tagstack)) { 666: &Apache::response::setup_params($tag,$safeeval); 667: } 668: &add_in_tag_answer($parstack,$safeeval); 669: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval); 670: 671: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval); 672: 673: if ($target eq 'answer') { 674: $result.=&Apache::response::answer_header($tag,undef, 675: scalar(keys(%answer))); 676: if ($tag eq 'numericalresponse' 677: && $Apache::lonhomework::type eq 'exam') { 678: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid, 679: $id,$target,$parstack,$safeeval); 680: $result.=&Apache::response::answer_part($tag,$correct); 681: } 682: } 683: foreach my $name (sort(keys(%answer))) { 684: my @answers = @{ $answer{$name}{'answers'} }; 685: if ($target eq 'analyze') { 686: foreach my $info ('answer','ans_high','ans_low','format') { 687: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[]; 688: } 689: } 690: my ($sigline,$tolline); 691: if ($name ne $tag_internal_answer_name 692: || scalar(keys(%answer)) > 1) { 693: $result.=&Apache::response::answer_part($tag,$name); 694: } 695: for(my $i=0;$i<=$#answers;$i++) { 696: my $ans=$answers[$i]; 697: my $fmt=$formats[0]; 698: if (@formats && $#formats) {$fmt=$formats[$i];} 699: my ($sighigh,$siglow); 700: if ($Apache::inputtags::params{'sig'}) { 701: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'}); 702: } 703: my @vector; 704: if (ref($ans)) { 705: @vector = @{ $ans }; 706: } else { 707: @vector = ($ans); 708: } 709: my @all_answer_info; 710: foreach my $element (@vector) { 711: my ($high,$low); 712: if ($Apache::inputtags::params{'tol'}) { 713: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'}); 714: } 715: if ($target eq 'answer') { 716: if ($fmt && $tag eq 'numericalresponse') { 717: $fmt=~s/e/E/g; 718: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; } 719: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; } 720: $element = &format_number($element,$fmt,$target,$safeeval); 721: #if ($high) { 722: # $high=&format_number($high,$fmt,$target,$safeeval); 723: # $low =&format_number($low,$fmt,$target,$safeeval); 724: #} 725: } 726: if ($high && $tag eq 'numericalresponse') { 727: $element.='; ['.$low.'; '.$high.']'; 728: $tolline .= "[$low, $high]"; 729: } 730: if (defined($sighigh) && $tag eq 'numericalresponse') { 731: if ($env{'form.answer_output_mode'} eq 'tex') { 732: $element.= "; Sig $siglow - $sighigh"; 733: } else { 734: $element.= " Sig <i>$siglow - $sighigh</i>"; 735: $sigline .= "[$siglow, $sighigh]"; 736: } 737: } 738: push(@all_answer_info,$element); 739: 740: } elsif ($target eq 'analyze') { 741: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element); 742: if ($high) { 743: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high); 744: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low); 745: } 746: if ($fmt) { 747: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt); 748: } 749: } 750: } 751: if ($target eq 'answer') { 752: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info)); 753: } 754: } 755: 756: my @fmt_ans; 757: for(my $i=0;$i<=$#answers;$i++) { 758: my $ans=$answers[$i]; 759: my $fmt=$formats[0]; 760: if (@formats && $#formats) {$fmt=$formats[$i];} 761: foreach my $element (@$ans) { 762: if ($fmt && $tag eq 'numericalresponse') { 763: $fmt=~s/e/E/g; 764: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; } 765: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; } 766: $element = &format_number($element,$fmt,$target, 767: $safeeval); 768: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; } 769: } 770: } 771: push(@fmt_ans,join(',',@$ans)); 772: } 773: my $response=\@fmt_ans; 774: 775: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'. 776: $id.'.turnoffunit'); 777: if ($unit ne '' && 778: ! ($Apache::lonhomework::type eq 'exam' || 779: lc($hideunit) eq "yes") ) { 780: my $cleanunit=$unit; 781: $cleanunit=~s/\$\,//g; 782: foreach my $ans (@fmt_ans) { 783: $ans.=" $cleanunit"; 784: } 785: } 786: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag, 787: $parstack,$safeeval); 788: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') { 789: my $error; 790: if ($tag eq 'formularesponse') { 791: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"'); 792: } else { 793: # answer failed check if it is sig figs that is failing 794: my ($ad,$msg)=&check_submission($response,$partid,$id, 795: $tag,$parstack, 796: $safeeval,1); 797: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' '; 798: if ($sigline ne '') { 799: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline); 800: } else { 801: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline); 802: } 803: } 804: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') { 805: &Apache::lonxml::error($error); 806: } else { 807: &Apache::lonxml::warning($error); 808: } 809: } 810: 811: if (defined($unit) and ($unit ne '') and 812: $tag eq 'numericalresponse') { 813: if ($target eq 'answer') { 814: if ($env{'form.answer_output_mode'} eq 'tex') { 815: $result.=&Apache::response::answer_part($tag, 816: " Unit: $unit "); 817: } else { 818: $result.=&Apache::response::answer_part($tag, 819: "Unit: <b>$unit</b>"); 820: } 821: } elsif ($target eq 'analyze') { 822: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit); 823: } 824: } 825: if ($tag eq 'formularesponse' && $target eq 'answer') { 826: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval); 827: $result.=&Apache::response::answer_part($tag,$samples); 828: } 829: $result.=&Apache::response::next_answer($tag,$name); 830: } 831: if ($target eq 'answer') { 832: $result.=&Apache::response::answer_footer($tag); 833: } 834: } 835: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 836: $target eq 'tex' || $target eq 'analyze') { 837: if (($tag eq 'formularesponse') && ($target eq 'analyze')) { 838: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type'); 839: if ($type eq 'exam') { 840: $increment = &Apache::response::repetition(); 841: } 842: } 843: &Apache::lonxml::increment_counter($increment,"$partid.$id"); 844: if ($target eq 'analyze') { 845: &Apache::lonhomework::set_bubble_lines(); 846: } 847: } 848: &Apache::response::end_response(); 849: return $result; 850: } 851: 852: sub format_prior_response_numerical { 853: my ($mode,$answer) = @_; 854: if (ref($answer)) { 855: my $result = '<table class="LC_prior_numerical"><tr>'; 856: foreach my $element (@{ $answer }) { 857: $result.= '<td><span class="LC_prior_numerical">'. 858: &HTML::Entities::encode($element,'"<>&').'</span></td>'; 859: } 860: $result.='</tr></table>'; 861: return $result; 862: } 863: return '<span class="LC_prior_numerical">'. 864: &HTML::Entities::encode($answer,'"<>&').'</span>'; 865: 866: } 867: 868: sub check_for_answer_errors { 869: my ($parstack,$safeeval) = @_; 870: &add_in_tag_answer($parstack,$safeeval); 871: my %counts; 872: foreach my $name (keys(%answer)) { 873: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name); 874: } 875: if (scalar(keys(%counts)) > 1) { 876: my $counts = join(' ',map { 877: my $count = $_; 878: &mt("Answers [_1] had [_2] components.", 879: '<tt>'.join(', ',@{$counts{$count}}).'</tt>', 880: $count); 881: } (sort(keys(%counts)))); 882: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts); 883: } 884: my $expected_number_of_inputs = (keys(%counts))[0]; 885: if ( $expected_number_of_inputs > 0 886: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) { 887: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.", 888: $expected_number_of_inputs, 889: scalar(@Apache::inputtags::inputlist))); 890: } 891: } 892: 893: sub get_table_sizes { 894: my ($number_of_bubbles,$rbubble_values)=@_; 895: my $scale=2; #mm for one digit 896: my $cell_width=0; 897: foreach my $member (@$rbubble_values) { 898: my $cell_width_real=0; 899: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) { 900: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale; 901: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) { 902: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale; 903: } elsif ($member=~/(\d*)\.(\d*)/) { 904: $cell_width_real=(length($1)+length($2)+3)*$scale; 905: } else { 906: $cell_width_real=(length($member)+1)*$scale*0.9; 907: } 908: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;} 909: } 910: $cell_width+=8; 911: my $textwidth; 912: if ($env{'form.textwidth'} ne '') { 913: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/; 914: $textwidth=$1.'.'.$2; 915: } else { 916: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/; 917: $textwidth=$1.'.'.$2; 918: } 919: my $bubbles_per_line=int($textwidth/$cell_width); 920: if ($bubbles_per_line > $number_of_bubbles) { 921: $bubbles_per_line=$number_of_bubbles; 922: } elsif (($bubbles_per_line > $number_of_bubbles/2) 923: && ($number_of_bubbles % 2==0)) { 924: $bubbles_per_line=$number_of_bubbles/2; 925: } 926: if ($bubbles_per_line < 1) { 927: $bubbles_per_line=1; 928: } 929: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line); 930: my @table_range = (); 931: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;} 932: if ($number_of_bubbles % $bubbles_per_line) { 933: $number_of_tables++; 934: push @table_range,($number_of_bubbles % $bubbles_per_line); 935: } 936: $cell_width-=8; 937: $cell_width=$cell_width*3/4; 938: return ($cell_width,$number_of_tables,@table_range); 939: } 940: 941: sub format_number { 942: my ($number,$format,$target,$safeeval)=@_; 943: my $ans; 944: if ($format eq '') { 945: #What is the number? (integer,decimal,floating point) 946: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) { 947: $format = '3e'; 948: } elsif ($number=~/^(\d*)\.(\d*)$/) { 949: $format = '4f'; 950: } elsif ($number=~/^(\d*)$/) { 951: $format = 'd'; 952: } 953: } 954: if (!$Apache::lonxml::default_homework_loaded) { 955: &Apache::lonxml::default_homework_load($safeeval); 956: } 957: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval); 958: return $ans; 959: } 960: 961: sub make_numerical_bubbles { 962: my ($part,$id,$target,$parstack,$safeeval) =@_; 963: 964: if (!%answer) { 965: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part)); 966: return ([],[],undef); 967: } 968: 969: my $number_of_bubbles = 970: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8); 971: 972: # 973: # Fixes for BZ 6519 - number of bubbles <= 0 or non-integer. 974: # 975: $number_of_bubbles = int($number_of_bubbles + 0.5); 976: if ($number_of_bubbles <= 0) { 977: $number_of_bubbles = 8; 978: } 979: 980: 981: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval); 982: my $name = (exists($answer{$tag_internal_answer_name}) 983: ? $tag_internal_answer_name 984: : (sort(keys(%answer)))[0]); 985: 986: if ( scalar(@{$answer{$name}{'answers'}}) > 1) { 987: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode"); 988: } 989: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) { 990: &Apache::lonxml::error("Vector answers are unsupported in exam mode."); 991: } 992: 993: my $answer = $answer{$name}{'answers'}[0][0]; 994: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack, 995: $safeeval); 996: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); } 997: 998: my @bubble_values=(); 999: my @alphabet=('A'..'Z'); 1000: 1001: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect"); 1002: my @oldseed=&Math::Random::random_get_seed(); 1003: if (@incorrect) { 1004: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles)); 1005: if (defined($incorrect[0]) && 1006: scalar(@incorrect)+1 >= $number_of_bubbles) { 1007: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles"); 1008: &Apache::response::setrandomnumber(); 1009: my @rand_inc=&Math::Random::random_permutation(@incorrect); 1010: @bubble_values=@rand_inc[0..($number_of_bubbles-2)]; 1011: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer); 1012: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values)); 1013: &Math::Random::random_set_seed(@oldseed); 1014: 1015: my $correct; 1016: for(my $i=0; $i<=$#bubble_values;$i++) { 1017: if ($bubble_values[$i] eq $answer) { 1018: $correct = $alphabet[$i]; 1019: last; 1020: } 1021: } 1022: 1023: if (defined($format) && $format ne '') { 1024: my @bubble_display; 1025: foreach my $value (@bubble_values) { 1026: push(@bubble_display, 1027: &format_number($value,$format,$target,$safeeval)); 1028: } 1029: return (\@bubble_values,\@bubble_display,$correct); 1030: } else { 1031: return (\@bubble_values,\@bubble_values,$correct); 1032: } 1033: } 1034: if (defined($incorrect[0]) && 1035: scalar(@incorrect)+1 < $number_of_bubbles) { 1036: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).")."); 1037: } 1038: } 1039: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors 1040: my @powers = (1..$number_of_bubbles); 1041: &Apache::response::setrandomnumber(); 1042: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers); 1043: my $power = $powers[$ind]; 1044: $ind=&Math::Random::random_uniform_integer(1,0,$#factors); 1045: my $factor = $factors[$ind]; 1046: my @bubble_display; 1047: my $answerfactor=$answer; 1048: if ($answer==0) { 1049: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/ 1050: &Math::Random::random_uniform_integer(1,1,10); 1051: } 1052: for ($ind=0;$ind<$number_of_bubbles;$ind++) { 1053: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind])); 1054: $bubble_display[$ind] = &format_number($bubble_values[$ind], 1055: $format,$target,$safeeval); 1056: } 1057: my $correct = $alphabet[$number_of_bubbles-$power]; 1058: if ($answer==0) { 1059: $correct='A'; 1060: $bubble_values[0]=0; 1061: $bubble_display[0] = &format_number($bubble_values[0], 1062: $format,$target,$safeeval); 1063: } 1064: &Math::Random::random_set_seed(@oldseed); 1065: return (\@bubble_values,\@bubble_display,$correct); 1066: } 1067: 1068: ## 1069: # Produce LaTeX bubbles laid out horizontally given a set of bubble values: 1070: # 1071: # @param bubble_values - reference to an array of bubble 'values' 1072: # @param bubble_display - reference to the array of texts to display to the user 1073: # for each bubble_value (this is mostly for numerical response 1074: # when the displayed value may not be an exact 1075: # representation of the bubble value. 1076: # @param bubble_fragment- The LaTeX fragment that will be plugged in to make 1077: # the bubble itself. Note that the code will autonomously 1078: # label each bubble with a lable...and that it's perfectly 1079: # acceptable to use "" for the bubble_fragment. 1080: # 1081: # @return string - the LaTeX fragment that produces the bubbles. 1082: # 1083: sub make_horizontal_latex_bubbles { 1084: my ($bubble_values, $bubble_display, $bubble_fragment) = @_; 1085: my $result; 1086: 1087: my $number_of_bubbles = scalar(@{$bubble_values}); 1088: 1089: # Get the number of rows and columns in each row of the bubble 1090: # table: 1091: 1092: my ($celllength, $number_of_tables, @table_range) = 1093: &get_table_sizes($number_of_bubbles, $bubble_display); 1094: 1095: my $j=0; 1096: my $cou=0; 1097: $result.='\vskip 2mm \noindent '; 1098: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm '; 1099: 1100: for (my $i=0;$i<$number_of_tables;$i++) { 1101: if ($i == 0) { 1102: $result .= '\vskip -1mm '; 1103: } else { 1104: $result .= '\vskip 1mm '; 1105: } 1106: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{'; 1107: for (my $ind=0;$ind<$table_range[$j];$ind++) { 1108: $result.='p{4 mm}p{'.$celllength.' mm}'; 1109: } 1110: $result.='}'; 1111: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) { 1112: $result.='\hskip -4 mm {\small \textbf{ '.$alphabet[$ind].'}}' 1113: . $bubble_fragment 1114: . '& \hskip -3 mm {\small '.$bubble_display->[$ind].'} '; 1115: if ($ind != $cou+$table_range[$j]-1) { 1116: $result.=' & '; 1117: } 1118: } 1119: $cou += $table_range[$j]; 1120: $j++; 1121: $result.='\\\\\end{tabular}\vskip 0 mm '; 1122: } 1123: return $result; 1124: } 1125: 1126: sub get_tolrange { 1127: my ($ans,$tol)=@_; 1128: my ($high,$low); 1129: if ($tol =~ /%$/) { 1130: chop($tol); 1131: my $change=$ans*($tol/100.0); 1132: $high=$ans+$change; 1133: $low=$ans-$change; 1134: } else { 1135: $high=$ans+$tol; 1136: $low=$ans-$tol; 1137: } 1138: return ($high,$low); 1139: } 1140: 1141: sub get_sigrange { 1142: my ($sig)=@_; 1143: #&Apache::lonxml::debug("Got a sig of :$sig:"); 1144: my $courseid=$env{'request.course.id'}; 1145: if ($env{'request.state'} ne 'construct' 1146: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') { 1147: return (15,0); 1148: } 1149: my $sig_lbound; 1150: my $sig_ubound; 1151: if ($sig eq '') { 1152: $sig_lbound = 0; #SIG_LB_DEFAULT 1153: $sig_ubound =15; #SIG_UB_DEFAULT 1154: } else { 1155: ($sig_lbound,$sig_ubound) = split(/,/,$sig); 1156: if (!defined($sig_lbound)) { 1157: $sig_lbound = 0; #SIG_LB_DEFAULT 1158: $sig_ubound =15; #SIG_UB_DEFAULT 1159: } 1160: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; } 1161: } 1162: if (($sig_ubound<$sig_lbound) || 1163: ($sig_lbound > 15) || 1164: ($sig =~/(\+|-)/ ) ) { 1165: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)"; 1166: if ($env{'request.state'} eq 'construct') { 1167: $errormsg.= 1168: &Apache::loncommon::help_open_topic('Significant_Figures'); 1169: } 1170: &Apache::lonxml::error($errormsg); 1171: } 1172: return ($sig_ubound,$sig_lbound); 1173: } 1174: 1175: sub format_prior_response_string { 1176: my ($mode,$answer) =@_; 1177: return '<span class="LC_prior_string">'. 1178: &HTML::Entities::encode($answer,'"<>&').'</span>'; 1179: } 1180: 1181: sub start_stringresponse { 1182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 1183: my $result; 1184: my $id = &Apache::response::start_response($parstack,$safeeval); 1185: undef(%answer); 1186: if ($target eq 'meta') { 1187: $result=&Apache::response::meta_package_write('stringresponse'); 1188: } elsif ($target eq 'edit') { 1189: $result.=&Apache::edit::tag_start($target,$token); 1190: $result.=&Apache::edit::text_arg('Answer:','answer',$token); 1191: $result.=&Apache::edit::select_arg('Type:','type', 1192: [['cs','Case Sensitive'],['ci','Case Insensitive'], 1193: ['mc','Case Insensitive, Any Order'], 1194: ['re','Regular Expression']],$token); 1195: $result.=&Apache::edit::text_arg('String to display for answer:', 1196: 'answerdisplay',$token); 1197: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess', 1198: $token,10); 1199: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 1200: } elsif ($target eq 'modified') { 1201: my $constructtag; 1202: $constructtag=&Apache::edit::get_new_args($token,$parstack, 1203: $safeeval,'answer', 1204: 'type','answerdisplay','preprocess'); 1205: if ($constructtag) { 1206: $result = &Apache::edit::rebuild_tag($token); 1207: $result.=&Apache::edit::handle_insert(); 1208: } 1209: } elsif ($target eq 'web') { 1210: if ( &Apache::response::show_answer() ) { 1211: my $answer= 1212: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval); 1213: if (!defined $answer || $answer eq '') { 1214: $answer= 1215: &Apache::lonxml::get_param('answer',$parstack,$safeeval); 1216: } 1217: $Apache::inputtags::answertxt{$id}=[$answer]; 1218: } 1219: } elsif ($target eq 'answer' || $target eq 'grade') { 1220: &Apache::response::reset_params(); 1221: } 1222: return $result; 1223: } 1224: 1225: sub end_stringresponse { 1226: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 1227: 1228: my $result = ''; 1229: my $part=$Apache::inputtags::part; 1230: my $id=$Apache::inputtags::response[-1]; 1231: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval); 1232: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval); 1233: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval); 1234: &Apache::lonxml::debug("current $answer ".$token->[2]); 1235: if (!$Apache::lonxml::default_homework_loaded) { 1236: &Apache::lonxml::default_homework_load($safeeval); 1237: } 1238: if ( $target eq 'grade' && &Apache::response::submitted() ) { 1239: &Apache::response::setup_params('stringresponse',$safeeval); 1240: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); 1241: if ($Apache::lonhomework::type eq 'exam' || 1242: &Apache::response::submitted('scantron')) { 1243: &Apache::response::scored_response($part,$id); 1244: 1245: } else { 1246: my $response = &Apache::response::getresponse(); 1247: if ( $response =~ /[^\s]/) { 1248: my %previous = &Apache::response::check_for_previous($response, 1249: $part,$id, 1250: undef,$type); 1251: &Apache::lonxml::debug("submitted a $response<br>\n"); 1252: &Apache::lonxml::debug($$parstack[-1] . "\n<br>"); 1253: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 1254: $response; 1255: my ($ad,$msg); 1256: if ($type eq 're' ) { 1257: # if the RE wasn't in a var it likely got munged, 1258: # thus grab it from the var directly 1259: # my $testans=$token->[2]->{'answer'}; 1260: # if ($testans !~ m/^\s*\$/) { 1261: # $answer=$token->[2]->{'answer'}; 1262: # } 1263: ${$safeeval->varglob('LONCAPA::response')}=$response; 1264: my $preprocess=&Apache::lonxml::get_param('preprocess',$parstack,$safeeval); 1265: $preprocess=~s/^\&//; 1266: if (defined($preprocess)) { 1267: &Apache::run::run('$LONCAPA::response=&'.$preprocess.'($LONCAPA::response);',$safeeval); 1268: } 1269: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval); 1270: &Apache::lonxml::debug("current $response"); 1271: &Apache::lonxml::debug("current $answer"); 1272: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT'; 1273: } else { 1274: my @args = ('type','preprocess'); 1275: my $args_ref = &setup_capa_args($safeeval,$parstack, 1276: \@args,$response); 1277: if ($$args_ref{'type'} eq '') { 1278: $$args_ref{'type'} = 'ci'; 1279: } 1280: &add_in_tag_answer($parstack,$safeeval); 1281: my (@final_awards,@final_msgs,@names,%ansstring); 1282: foreach my $name (keys(%answer)) { 1283: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} })); 1284: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name}); 1285: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval); 1286: if ($$args_ref{'type'} =~ /^c[si]$/) { 1287: $ansstring{$name} = pop(@msgs); 1288: my $control_chars_removed = pop(@msgs); 1289: my $error = pop(@msgs); 1290: if (($error ne '') || 1291: ($control_chars_removed)) { 1292: my ($symb,$courseid,$sdomain,$sname) = 1293: &Apache::lonnet::whichuser(); 1294: if ($control_chars_removed) { 1295: my $showresponse = $response; 1296: if ($response =~ /[\000-\037]/) { 1297: $response =~ s/[\000-\037]//g; 1298: } 1299: if ($showresponse =~ /[\r\n\f]/) { 1300: my @lines = split(/[\r\n\f]+/,$showresponse); 1301: $showresponse = join('\\n',@lines); 1302: } 1303: &Apache::lonnet::logthis("Stringresponse grading: control characters stripped from submission ".$showresponse." for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb"); 1304: $Apache::lonhomework::results{"resource.$part.$id.submission"} = $response; 1305: } 1306: if ($error ne '') { 1307: &Apache::lonnet::logthis("Stringresponse grading error: $error for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb"); 1308: } 1309: } 1310: } 1311: &Apache::lonxml::debug('msgs are'.join(':',@msgs)); 1312: my ($awards)=split(/:/,$result); 1313: my (@awards) = split(/,/,$awards); 1314: ($ad,$msg) = 1315: &Apache::inputtags::finalizeawards(\@awards,\@msgs); 1316: push(@final_awards,$ad); 1317: push(@final_msgs,$msg); 1318: push(@names,$name); 1319: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n"); 1320: } 1321: ($ad, $msg, my $name) = 1322: &Apache::inputtags::finalizeawards(\@final_awards, 1323: \@final_msgs, 1324: \@names,1); 1325: if (keys(%ansstring) > 0) { 1326: $Apache::lonhomework::results{"resource.$part.$id.answerstring"} = &Apache::lonnet::hash2str(%ansstring); 1327: } 1328: } 1329: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || 1330: $ad eq 'EXACT_ANS')) { 1331: if ($Apache::lonhomework::type eq 'survey') { 1332: $ad='SUBMITTED'; 1333: } elsif ($Apache::lonhomework::type eq 'surveycred') { 1334: $ad='SUBMITTED_CREDIT'; 1335: } elsif ($Apache::lonhomework::type eq 'anonsurvey') { 1336: $ad='ANONYMOUS'; 1337: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') { 1338: $ad='ANONYMOUS_CREDIT'; 1339: } 1340: } 1341: unless (($env{'request.state'} eq 'construct') || 1342: ($Apache::lonhomework::type eq 'randomizetry')) { 1343: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || $ad eq 'EXACT_ANS')) { 1344: if ($previous{'used'}) { 1345: if ($ad ne $previous{'award'}) { 1346: if (($previous{'award'} eq 'INCORRECT' || 1347: $previous{'award'} eq 'APPROX_ANS' || 1348: $previous{'award'} eq 'EXACT_ANS')) { 1349: &stringresponse_gradechange($part,$id,\%previous, 1350: 'cs',$response,$ad,$type); 1351: } 1352: } 1353: } elsif ($previous{'usedci'}) { 1354: if ($ad ne $previous{'awardci'}) { 1355: if (($previous{'awardci'} eq 'INCORRECT' || 1356: $previous{'awardci'} eq 'APPROX_ANS' || 1357: $previous{'awardci'} eq 'EXACT_ANS')) { 1358: &stringresponse_gradechange($part,$id,\%previous, 1359: 'ci',$response,$ad,$type); 1360: } 1361: } 1362: } 1363: } 1364: } 1365: &Apache::response::handle_previous(\%previous,$ad); 1366: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 1367: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg; 1368: } 1369: } 1370: } elsif ($target eq 'answer' || $target eq 'analyze') { 1371: &add_in_tag_answer($parstack,$safeeval); 1372: if ($target eq 'analyze') { 1373: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id"); 1374: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse'; 1375: &Apache::response::check_if_computed($token,$parstack,$safeeval, 1376: 'answer'); 1377: } 1378: &Apache::response::setup_params('stringresponse',$safeeval); 1379: if ($target eq 'answer') { 1380: $result.=&Apache::response::answer_header('stringresponse'); 1381: } 1382: foreach my $name (keys(%answer)) { 1383: my @answers = @{ $answer{$name}{'answers'} }; 1384: for (my $i=0;$i<=$#answers;$i++) { 1385: my $answer_part = $answers[$i]; 1386: foreach my $element (@{$answer_part}) { 1387: if ($target eq 'answer') { 1388: $result.=&Apache::response::answer_part('stringresponse', 1389: $element); 1390: if ($env{'form.grade_retrieveanswers'}) { 1391: $env{'form.grade_answers.resource.'.$part.'.'.$id} = $element; 1392: } 1393: } elsif ($target eq 'analyze') { 1394: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] }, 1395: $element); 1396: } 1397: } 1398: if ($target eq 'answer' && $type eq 're') { 1399: $result.=&Apache::response::answer_part('stringresponse', 1400: $answerdisplay); 1401: } 1402: } 1403: } 1404: my $string='Case Insensitive'; 1405: if ($type eq 'mc') { 1406: $string='Multiple Choice'; 1407: } elsif ($type eq 'cs') { 1408: $string='Case Sensitive'; 1409: } elsif ($type eq 'ci') { 1410: $string='Case Insensitive'; 1411: } elsif ($type eq 're') { 1412: $string='Regular Expression'; 1413: } 1414: if ($target eq 'answer') { 1415: if ($env{'form.answer_output_mode'} eq 'tex') { 1416: $result.=&Apache::response::answer_part('stringresponse', 1417: "$string"); 1418: } else { 1419: $result.=&Apache::response::answer_part('stringresponse', 1420: "<b>$string</b>"); 1421: } 1422: } elsif ($target eq 'analyze') { 1423: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}}, 1424: $type); 1425: } 1426: if ($target eq 'answer') { 1427: $result.=&Apache::response::answer_footer('stringresponse'); 1428: } 1429: } elsif ($target eq 'edit') { 1430: $result.='</td></tr>'.&Apache::edit::end_table; 1431: } elsif ($target eq 'web' || $target eq 'tex') { 1432: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string); 1433: } 1434: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 1435: $target eq 'tex' || $target eq 'analyze') { 1436: my $repetition = &Apache::response::repetition(); 1437: &Apache::lonxml::increment_counter($repetition,"$part.$id"); 1438: if ($target eq 'analyze') { 1439: &Apache::lonhomework::set_bubble_lines(); 1440: } 1441: } 1442: &Apache::response::end_response; 1443: return $result; 1444: } 1445: 1446: sub start_formularesponse { 1447: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 1448: my $result; 1449: if ($target eq 'meta') { 1450: &Apache::response::start_response($parstack,$safeeval); 1451: $result=&Apache::response::meta_package_write('formularesponse'); 1452: &Apache::response::end_response(); 1453: } else { 1454: $result.=&start_numericalresponse(@_); 1455: } 1456: return $result; 1457: } 1458: 1459: sub end_formularesponse { 1460: return end_numericalresponse(@_); 1461: } 1462: 1463: 1; 1464: __END__ 1465: