loncom/homework/response.pm - view

File: [LON-CAPA] / loncom / homework / response.pm
Revision 1.238: download - view: text, annotated - select for diffs
Tue Dec 30 20:03:10 2014 UTC (9 years, 4 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Changes in args passed to &edit_mathresponse_button() to support use of
  id attributes by LON-CAPA Math editor.
- DragMath implementation now also uses id attributes.
- Support math editor in formularesponse and mathresponse items in
  composite pages (.page).

1: # The LearningOnline Network with CAPA 2: # various response type definitons response definition 3: # 4: # $Id: response.pm,v 1.238 2014/12/30 20:03:10 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: =pod 30: 31: =head1 NAME 32: 33: Apache::response.pm 34: 35: =head1 SYNOPSIS 36: 37: This is part of the LearningOnline Network with CAPA project 38: described at http://www.lon-capa.org. 39: 40: 41: =head1 NOTABLE SUBROUTINES 42: 43: =over 44: 45: =item 46: 47: =back 48: 49: =cut 50: 51: 52: package Apache::response; 53: use strict; 54: use Apache::lonlocal; 55: use Apache::lonnet; 56: use Apache::inputtags(); 57: use Apache::lonmaxima(); 58: use Apache::lonr(); 59: use Apache::lontexconvert(); 60: 61: BEGIN { 62: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse')); 63: } 64: 65: sub start_response { 66: my ($parstack,$safeeval)=@_; 67: my $id = &Apache::lonxml::get_id($parstack,$safeeval); 68: if ($#Apache::inputtags::import > -1) { 69: &Apache::lonxml::debug("Turning :$id: into"); 70: $id = join('_',@Apache::inputtags::import).'_'.$id; 71: &Apache::lonxml::debug("New :$id:"); 72: } 73: push (@Apache::inputtags::response,$id); 74: push (@Apache::inputtags::responselist,$id); 75: @Apache::inputtags::inputlist=(); 76: if ($Apache::inputtags::part eq '' && 77: !$Apache::lonhomework::ignore_response_errors) { 78: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"')); 79: } 80: if ($Apache::inputtags::response_with_no_part && 81: $Apache::inputtags::part ne '0') { 82: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />'); 83: } 84: if ($Apache::inputtags::part eq '0') { 85: $Apache::inputtags::response_with_no_part=1; 86: } 87: return $id; 88: } 89: 90: sub end_response { 91: #pop @Apache::inputtags::response; 92: @Apache::inputtags::inputlist=(); 93: return ''; 94: } 95: 96: sub start_hintresponse { 97: my ($parstack,$safeeval)=@_; 98: my $id = &Apache::lonxml::get_id($parstack,$safeeval); 99: push (@Apache::inputtags::hint,$id); 100: push (@Apache::inputtags::hintlist,$id); 101: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]); 102: return $id; 103: } 104: 105: sub end_hintresponse { 106: pop @Apache::inputtags::hint; 107: if (defined($Apache::inputtags::paramstack[-1])) { 108: %Apache::inputtags::params= 109: @{ pop(@Apache::inputtags::paramstack) }; 110: } 111: return ''; 112: } 113: 114: my @randomseeds; 115: sub pushrandomnumber { 116: my $rand_alg=&Apache::lonnet::get_rand_alg(); 117: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 118: $rand_alg eq '64bit2') { 119: # do nothing 120: } else { 121: my @seed=&Math::Random::random_get_seed(); 122: push(@randomseeds,\@seed); 123: } 124: &Apache::response::setrandomnumber(@_); 125: } 126: sub poprandomnumber { 127: my $rand_alg=&Apache::lonnet::get_rand_alg(); 128: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 129: $rand_alg eq '64bit2') { 130: return; 131: } 132: my $seed=pop(@randomseeds); 133: if ($seed) { 134: &Math::Random::random_set_seed(@$seed); 135: } else { 136: &Apache::lonxml::error("Unable to restore random algorithm."); 137: } 138: } 139: 140: sub setrandomnumber { 141: my ($ignore_id2,$target,$rndseed) = @_; 142: if (!defined($rndseed)) { 143: $rndseed=&Apache::structuretags::setup_rndseed(undef,$target); 144: } 145: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); } 146: &Apache::lonxml::debug("randseed $rndseed"); 147: # $rndseed=unpack("%32i",$rndseed); 148: my $rand_alg=&Apache::lonnet::get_rand_alg(); 149: my ($rndmod,$rndmod2); 150: 151: my ($id1,$id2,$shift_amt); 152: if ($Apache::lonhomework::parsing_a_problem) { 153: $id1=$Apache::inputtags::part; 154: if (defined($Apache::inputtags::response[-1])) { 155: $id2=$Apache::inputtags::response[-1]; 156: } 157: $shift_amt=scalar(@Apache::inputtags::responselist); 158: } elsif ($Apache::lonhomework::parsing_a_task) { 159: $id1=&Apache::bridgetask::get_dim_id(); 160: if (!$ignore_id2 && ref($Apache::bridgetask::instance{$id1})) { 161: $id2=$Apache::bridgetask::instance{$id1}[-1]; 162: $shift_amt=scalar(@{$Apache::bridgetask::instance{$id1}}); 163: } else { 164: $shift_amt=0; 165: } 166: } 167: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt"); 168: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 169: $rand_alg eq '64bit2') { 170: $rndmod=(&Apache::lonnet::numval($id1) << 10); 171: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); } 172: } elsif ($rand_alg eq '64bit3') { 173: $rndmod=(&Apache::lonnet::numval2($id1) << 10); 174: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); } 175: } elsif ($rand_alg eq '64bit4') { 176: my $shift=(4*$shift_amt)%30; 177: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30)); 178: if (defined($id2)) { 179: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift ); 180: } 181: } else { 182: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2"); 183: } 184: $Apache::lonhomework::results{'resource.'.$id1.'.rawrndseed'}=$rndseed; 185: if ($rndseed =~/([,:])/) { 186: my $char=$1; 187: use integer; 188: my ($num1,$num2)=split(/\Q$char\E/,$rndseed); 189: $num1+=$rndmod; 190: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod); 191: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } 192: $rndseed=$num1.$char.$num2; 193: } else { 194: $rndseed+=$rndmod; 195: if($Apache::lonnet::_64bit) { 196: use integer; 197: $rndseed=(($rndseed<<32)>>32); 198: } 199: } 200: &Apache::lonxml::debug("randseed $rndmod $rndseed"); 201: $Apache::lonhomework::results{'resource.'.$id1.'.rndseed'}=$rndseed; 202: &Apache::lonnet::setup_random_from_rndseed($rndseed); 203: return ''; 204: } 205: 206: sub meta_parameter_write { 207: my ($name,$type,$default,$display)=@_; 208: my $partref=$Apache::inputtags::part; 209: my $result='<parameter part="'.$Apache::inputtags::part.'"'; 210: if (defined($Apache::inputtags::response[-1])) { 211: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 212: $partref.='_'.$Apache::inputtags::response[-1]; 213: } 214: $result.= ' name="'.$name.'"'. 215: ' type="'.$type.'"'. 216: (defined($default)?' default="'.$default.'"':''). 217: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'') 218: .'></parameter>' 219: ."\n"; 220: return $result; 221: } 222: 223: sub meta_package_write { 224: my $name=shift; 225: my $result = '<parameter part="'.$Apache::inputtags::part.'"'; 226: if(defined($Apache::inputtags::response[-1])) { 227: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 228: } 229: $result.=' package="'.$name.'"></parameter>'."\n"; 230: return $result; 231: } 232: 233: sub meta_stores_write { 234: my ($name,$type,$display)=@_; 235: my $partref=$Apache::inputtags::part; 236: my $result = '<stores part="'.$Apache::inputtags::part.'"'; 237: if (defined($Apache::inputtags::response[-1])) { 238: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 239: $partref.='_'.$Apache::inputtags::response[-1]; 240: } 241: $result.= ' name="'.$name.'"'. 242: ' type="'.$type.'"'. 243: ' display="'.$display.' [Part: '.$partref.']"'. 244: "></stores>\n"; 245: } 246: 247: =pod 248: 249: =item mandatory_part_meta() 250: 251: Autogenerate metadata for mandatory 252: input (from RAT or lonparmset) and 253: output (to lonspreadsheet) 254: of each part 255: 256: Note: responseid-specific data 'submission' and 'awarddetail' 257: not available to spreadsheet -> skip here 258: 259: =cut 260: 261: 262: sub mandatory_part_meta { 263: return &meta_package_write('part'). 264: &meta_stores_write('solved','string','Problem Status'). 265: &meta_stores_write('tries','int_zeropos','Number of Attempts'). 266: &meta_stores_write('awarded','float','Partial Credit Factor'); 267: } 268: 269: sub meta_part_order { 270: if (@Apache::inputtags::partlist) { 271: my @parts=@Apache::inputtags::partlist; 272: shift(@parts); 273: return '<partorder>'.join(',',@parts).'</partorder>'."\n"; 274: } else { 275: return '<partorder>0</partorder>'."\n"; 276: } 277: } 278: 279: sub meta_response_order { 280: if (@Apache::inputtags::responselist) { 281: return '<responseorder>'.join(',',@Apache::inputtags::responselist). 282: '</responseorder>'."\n"; 283: } 284: } 285: 286: sub check_for_previous { 287: my ($curresponse,$partid,$id,$last,$type) = @_; 288: my %previous; 289: $previous{'used'} = 0; 290: my $questiontype = $Apache::lonhomework::type; 291: my $curr_rndseed = $env{'form.'.$partid.'.rndseed'}; 292: foreach my $key (sort(keys(%Apache::lonhomework::history))) { 293: if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) { 294: if ( $last && $key =~ /^(\d+):/ ) { 295: next if ($1 >= $last); 296: } 297: &Apache::lonxml::debug("Trying $key"); 298: my $pastresponse=$Apache::lonhomework::history{$key}; 299: if ($pastresponse eq $curresponse) { 300: my $history; 301: if ( $key =~ /^(\d+):/ ) { 302: $history=$1; 303: next if ((($questiontype eq 'randomizetry') || 304: ($Apache::lonhomework::history{"$history:resource.$partid.type"} eq 'randomizetry')) && 305: ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"})); 306: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"}; 307: $previous{'last'}='0'; 308: push(@{ $previous{'version'} },$history); 309: } else { 310: next if ((($questiontype eq 'randomizetry') || 311: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry')) && 312: ($curr_rndseed ne $Apache::lonhomework::history{"resource.$partid.rndseed"})); 313: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"}; 314: $previous{'last'}='1'; 315: } 316: $previous{'used'} = 1; 317: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; } 318: if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; } 319: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:"); 320: } elsif ($type eq 'ci') { 321: if (lc($pastresponse) eq lc($curresponse)) { 322: if ($key =~ /^(\d+):/) { 323: my $history = $1; 324: next if (($questiontype eq 'randomizetry') && 325: ($curr_rndseed ne $Apache::lonhomework::history{"$history:resource.$partid.rndseed"})); 326: push (@{$previous{'versionci'}},$history); 327: $previous{'awardci'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"}; 328: $previous{'usedci'} = 1; 329: } 330: } 331: } 332: } 333: } 334: &Apache::lonhomework::showhash(%previous); 335: return %previous; 336: } 337: 338: sub handle_previous { 339: my ($previous,$ad)=@_; 340: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) { 341: if ($$previous{'last'}) { 342: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST'); 343: push(@Apache::inputtags::previous_version,$$previous{'version'}); 344: } elsif (($Apache::lonhomework::type ne 'survey') && 345: ($Apache::lonhomework::type ne 'surveycred') && 346: ($Apache::lonhomework::type ne 'anonsurvey') && 347: ($Apache::lonhomework::type ne 'anonsurveycred')) { 348: push(@Apache::inputtags::previous,'PREVIOUSLY_USED'); 349: push(@Apache::inputtags::previous_version,$$previous{'version'}); 350: } 351: } 352: } 353: 354: sub view_or_modify { 355: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); 356: my $myself=0; 357: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) { 358: $myself=1; 359: } 360: my $vgr=&Apache::lonnet::allowed('vgr',$courseid); 361: my $mgr=&Apache::lonnet::allowed('vgr',$courseid); 362: if ($mgr) { return "M"; } 363: if ($vgr) { return "V"; } 364: if ($myself) { return "V"; } 365: return ''; 366: } 367: 368: sub start_dataresponse { 369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 370: my $id = &Apache::response::start_response($parstack,$safeeval); 371: my $result; 372: if ($target eq 'web') { 373: $result = $token->[2]->{'display'}.':'; 374: } elsif ($target eq 'meta') { 375: $result = &Apache::response::meta_stores_write($token->[2]->{'name'}, 376: $token->[2]->{'type'}, 377: $token->[2]->{'display'}); 378: $result .= &Apache::response::meta_package_write('dataresponse'); 379: } 380: return $result; 381: } 382: 383: sub end_dataresponse { 384: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 385: my $result; 386: if ( $target eq 'web' ) { 387: } elsif ($target eq 'grade' ) { 388: if ( defined $env{'form.submitted'}) { 389: my ($symb,$courseid,$domain,$name)=&Apache::lonnet::whichuser(); 390: my $allowed=&Apache::lonnet::allowed('mgr',$courseid); 391: if ($allowed) { 392: &Apache::response::setup_params('dataresponse',$safeeval); 393: my $partid = $Apache::inputtags::part; 394: my $id = $Apache::inputtags::response['-1']; 395: my $response = $env{'form.HWVAL_'.$id}; 396: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 397: if ( $response =~ /[^\s]/) { 398: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response; 399: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; 400: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED'; 401: } 402: } else { 403: $result=&mt('Not Permitted to change values'); 404: } 405: } 406: } 407: &Apache::response::end_response; 408: return $result; 409: } 410: 411: sub start_customresponse { 412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 413: my $id = &Apache::response::start_response($parstack,$safeeval); 414: push(@Apache::lonxml::namespace,'customresponse'); 415: my $result; 416: @Apache::response::custom_answer=(); 417: @Apache::response::custom_answer_type=(); 418: &Apache::lonxml::register('Apache::response',('answer')); 419: if ($target eq 'web') { 420: if ( &Apache::response::show_answer() ) { 421: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 422: $safeeval); 423: $Apache::inputtags::answertxt{$id}=[$answer]; 424: } 425: } elsif ($target eq 'edit') { 426: $result.=&Apache::edit::tag_start($target,$token); 427: $result.=&Apache::edit::text_arg('String to display for answer:', 428: 'answerdisplay',$token,'50'); 429: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 430: } elsif ($target eq 'modified') { 431: my $constructtag; 432: $constructtag=&Apache::edit::get_new_args($token,$parstack, 433: $safeeval,'answerdisplay'); 434: if ($constructtag) { 435: $result = &Apache::edit::rebuild_tag($token); 436: } 437: } elsif ($target eq 'answer' || $target eq 'grade') { 438: &Apache::response::reset_params(); 439: } elsif ($target eq 'meta') { 440: $result .= &Apache::response::meta_package_write('customresponse'); 441: } 442: return $result; 443: } 444: 445: sub end_customresponse { 446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 447: my $result; 448: my $part=$Apache::inputtags::part; 449: my $id=$Apache::inputtags::response[-1]; 450: if ( $target eq 'grade' && &Apache::response::submitted() ) { 451: my $response = &Apache::response::getresponse(); 452: if ($Apache::lonhomework::type eq 'exam' || 453: &Apache::response::submitted('scantron')) { 454: &Apache::response::scored_response($part,$id); 455: } elsif ( $response =~ /[^\s]/ && 456: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') { 457: if (!$Apache::lonxml::default_homework_loaded) { 458: &Apache::lonxml::default_homework_load($safeeval); 459: } 460: my %previous = &Apache::response::check_for_previous($response, 461: $part,$id); 462: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 463: $response; 464: my $error; 465: ${$safeeval->varglob('LONCAPA::customresponse_submission')}= 466: $response; 467: 468: my ($award,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval); 469: if (!&Apache::inputtags::valid_award($award)) { 470: $error = $award; 471: $award = 'ERROR'; 472: } 473: if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' || 474: $award eq 'EXACT_ANS')) { 475: if ($Apache::lonhomework::type eq 'survey') { 476: $award='SUBMITTED'; 477: } elsif ($Apache::lonhomework::type eq 'surveycred') { 478: $award='SUBMITTED_CREDIT'; 479: } elsif ($Apache::lonhomework::type eq 'anonsurvey') { 480: $award='ANONYMOUS'; 481: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') { 482: $award='ANONYMOUS_CREDIT'; 483: } 484: } 485: &Apache::response::handle_previous(\%previous,$award); 486: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 487: $award; 488: if ($award eq 'ASSIGNED_SCORE') { 489: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score; 490: } 491: if ($error) { 492: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 493: $error; 494: } 495: } 496: } elsif ( $target eq 'answer') { 497: $result = &Apache::response::answer_header('customresponse'); 498: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 499: $safeeval); 500: if ($env{'form.answer_output_mode'} ne 'tex') { 501: $answer = '<b>'.$answer.'</b>'; 502: } 503: $result .= &Apache::response::answer_part('customresponse',$answer); 504: $result .= &Apache::response::answer_footer('customresponse'); 505: } 506: if ($target eq 'web') { 507: &setup_prior_tries_hash(\&format_prior_response_custom); 508: } 509: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 510: $target eq 'tex' || $target eq 'analyze') { 511: my $repetition = &repetition(); 512: &Apache::lonxml::increment_counter($repetition,"$part.$id"); 513: if ($target eq 'analyze') { 514: $Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse'; 515: &Apache::lonhomework::set_bubble_lines(); 516: } 517: } 518: pop(@Apache::lonxml::namespace); 519: pop(@Apache::response::custom_answer); 520: pop(@Apache::response::custom_answer_type); 521: &Apache::lonxml::deregister('Apache::response',('answer')); 522: &Apache::response::end_response(); 523: return $result; 524: } 525: 526: sub format_prior_response_custom { 527: my ($mode,$answer) =@_; 528: if (ref($answer) eq 'ARRAY') { 529: $answer = '('.join(', ', @{ $answer }).')'; 530: } 531: return '<span class="LC_prior_custom">'. 532: &HTML::Entities::encode($answer,'"<>&').'</span>'; 533: } 534: 535: sub start_mathresponse { 536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 537: my $id = &Apache::response::start_response($parstack,$safeeval); 538: push(@Apache::lonxml::namespace,'mathresponse'); 539: my $result; 540: @Apache::response::custom_answer=(); 541: @Apache::response::custom_answer_type=(); 542: &Apache::lonxml::register('Apache::response',('answer')); 543: if ($target eq 'web') { 544: if ( &Apache::response::show_answer() ) { 545: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 546: $safeeval); 547: $Apache::inputtags::answertxt{$id}=[$answer]; 548: } 549: 550: } elsif ($target eq 'edit') { 551: $result.=&Apache::edit::tag_start($target,$token); 552: $result.=&Apache::edit::text_arg('String to display for answer:', 553: 'answerdisplay',$token,'50'); 554: $result.=&Apache::edit::select_arg('Algebra System:', 555: 'cas', 556: ['maxima','R'], 557: $token); 558: $result.=&Apache::edit::text_arg('Argument Array:', 559: 'args',$token). 560: &Apache::loncommon::help_open_topic('Maxima_Argument_Array'); 561: $result.=&Apache::edit::text_arg('Libraries:', 562: 'libraries',$token). 563: &Apache::loncommon::help_open_topic('Maxima_Libraries'); 564: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 565: } elsif ($target eq 'modified') { 566: my $constructtag; 567: $constructtag=&Apache::edit::get_new_args($token,$parstack, 568: $safeeval,'answerdisplay','cas','args','libraries'); 569: if ($constructtag) { 570: $result = &Apache::edit::rebuild_tag($token); 571: } 572: } elsif ($target eq 'answer' || $target eq 'grade') { 573: &Apache::response::reset_params(); 574: } elsif ($target eq 'meta') { 575: $result .= &Apache::response::meta_package_write('mathresponse'); 576: } 577: return $result; 578: } 579: 580: sub edit_mathresponse_button { 581: my ($partid,$id)=@_; 582: my $field = 'HWVAL_'.$partid.'_'.$id; 583: my $btype = $env{'browser.type'}; 584: my $bversion = $env{'browser.version'}; 585: if (($btype eq 'explorer' && $bversion < 9) || ($btype eq 'safari' && $bversion < 3) || 586: ($btype eq 'mozilla' && $bversion < 3)) { 587: # DragMath applet 588: my $button=&mt('Edit Answer'); 589: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor'); 590: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; 591: return(<<ENDFORMULABUTTON); 592: <script type="text/javascript" language="JavaScript"> 593: function LC_mathedit_${field} (LCtextline) { 594: thenumber = LCtextline; 595: var thedata = ''; 596: if (document.getElementById(LCtextline)) { 597: thedata = document.getElementById(LCtextline).value; 598: } 599: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable"); 600: } 601: </script> 602: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a> 603: ENDFORMULABUTTON 604: 605: } else { 606: # LON-CAPA math equation editor 607: my $mathjaxjs; 608: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') { 609: $mathjaxjs = <<"MATHJAX_SCRIPT"; 610: var mathjaxscript = document.createElement("script"); 611: mathjaxscript.type = "text/javascript"; 612: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"; 613: document.body.appendChild(mathjaxscript); 614: MATHJAX_SCRIPT 615: } 616: return(<<EQ_EDITOR_SCRIPT); 617: <script type="text/javascript"> 618: var LCmathField = document.getElementById('${field}'); 619: LCmathField.className += ' math'; // note the space 620: var LCMATH_started; 621: if (typeof LCMATH_started === 'undefined') { 622: $mathjaxjs 623: LCMATH_started = true; 624: var script = document.createElement("script"); 625: script.type = "text/javascript"; 626: script.src = "/adm/LC_math_editor/LC_math_editor.min.js"; 627: document.body.appendChild(script); 628: window.addEventListener('load', function(e) { 629: LCMATH.initEditors(); 630: }, false); 631: } 632: </script> 633: EQ_EDITOR_SCRIPT 634: } 635: } 636: 637: sub end_mathresponse { 638: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 639: my $result; 640: my $part=$Apache::inputtags::part; 641: my $id=$Apache::inputtags::response[-1]; 642: if ( $target eq 'grade' && &Apache::response::submitted() ) { 643: my $response = &Apache::response::getresponse(); 644: if ( $response =~ /[^\s]/ ) { 645: if (!$Apache::lonxml::default_homework_loaded) { 646: &Apache::lonxml::default_homework_load($safeeval); 647: } 648: my %previous = &Apache::response::check_for_previous($response, 649: $part,$id); 650: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 651: $response; 652: my $error; 653: my $award; 654: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval); 655: if ($cas eq 'maxima') { 656: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)]; 657: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args, 658: &Apache::lonxml::get_param('libraries',$parstack,$safeeval)); 659: } 660: if ($cas eq 'R') { 661: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)]; 662: $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args, 663: &Apache::lonxml::get_param('libraries',$parstack,$safeeval)); 664: } 665: 666: if (!&Apache::inputtags::valid_award($award)) { 667: $error = $award; 668: $award = 'ERROR'; 669: } 670: if (($award eq 'INCORRECT' || $award eq 'APPROX_ANS' || 671: $award eq 'EXACT_ANS')) { 672: if ($Apache::lonhomework::type eq 'survey') { 673: $award='SUBMITTED'; 674: } elsif ($Apache::lonhomework::type eq 'surveycred') { 675: $award='SUBMITTED_CREDIT'; 676: } elsif ($Apache::lonhomework::type eq 'anonsurvey') { 677: $award='ANONYMOUS'; 678: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') { 679: $award='ANONYMOUS_CREDIT'; 680: } 681: } 682: &Apache::response::handle_previous(\%previous,$award); 683: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 684: $award; 685: if ($error) { 686: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 687: $error; 688: } 689: } 690: } 691: if ($target eq 'web') { 692: &setup_prior_tries_hash(\&format_prior_response_math); 693: my $partid = $Apache::inputtags::part; 694: my $id = $Apache::inputtags::response[-1]; 695: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') 696: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) { 697: $result.=&edit_mathresponse_button($partid,$id); 698: } 699: } 700: 701: pop(@Apache::lonxml::namespace); 702: pop(@Apache::response::custom_answer); 703: pop(@Apache::response::custom_answer_type); 704: &Apache::lonxml::deregister('Apache::response',('answer')); 705: &Apache::response::end_response(); 706: return $result; 707: } 708: 709: sub format_prior_response_math { 710: my ($mode,$answer) =@_; 711: return '<span class="LC_prior_math">'. 712: &HTML::Entities::encode($answer,'"<>&').'</span>'; 713: } 714: 715: sub implicit_multiplication { 716: my ($expression)=@_; 717: # Escape scientific notation, so 3e8 does not become 3*e*8 718: # 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8 719: $expression=~s/(\d+)e([\+\-]*\d+)/$1\&$$2$/gsi; 720: # 3x10^8 -> 3&8; 3*10^-8 -> 3&-8 721: $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&$$2$/gsi; 722: # Fill in multiplication signs 723: # a b -> a*b;3 b -> 3*b;3 4 -> 3*4 724: $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs; 725: # )( -> )*(; ) ( -> )*( 726: $expression=~s/\)\s*$/$\*$/gs; 727: # 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A 728: $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs; 729: # a ( -> a*( 730: $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs; 731: # )a -> )*a; )3 -> )*3; ) 3 -> )*3 732: $expression=~s/$\s*([A-Za-z0-9])/\)\*$1/gs; 733: # 3&8 -> 3e8; 3&-4 -> 3e-4 734: $expression=~s/(\d+)\&$([\+\-]*\d+)$/$1e$2/gs; 735: return $expression; 736: } 737: 738: sub start_answer { 739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 740: my $result; 741: push(@Apache::response::custom_answer, 742: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser)); 743: push(@Apache::response::custom_answer_type, 744: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval))); 745: $Apache::response::custom_answer_type[-1] =~ s/\s+//g; 746: if ($target eq "edit" ) { 747: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm'); 748: $result.=&Apache::edit::editfield($token->[1], 749: $Apache::response::custom_answer[-1], 750: '',80,4); 751: } elsif ( $target eq "modified" ) { 752: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser); 753: } 754: return $result; 755: } 756: 757: sub end_answer { 758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 759: if ($target eq 'edit' ) { 760: return &Apache::edit::end_table(); 761: } 762: } 763: 764: sub decide_package { 765: my ($tagstack)=@_; 766: my $package; 767: if ($$tagstack[-1] eq 'parameter') { 768: $package='part'; 769: } else { 770: my $i=-1; 771: while (defined($$tagstack[$i])) { 772: if ($$tagstack[$i] =~ /(response|hint)$/) { 773: $package=$$tagstack[$i]; 774: last; 775: } 776: $i--; 777: } 778: } 779: return $package; 780: } 781: 782: sub start_responseparam { 783: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 784: my $result=''; 785: if ($target eq 'meta') { 786: $result = &meta_parameter_write($token->[2]->{'name'}, 787: $token->[2]->{'type'}, 788: $token->[2]->{'default'}, 789: $token->[2]->{'description'}); 790: } elsif ($target eq 'edit') { 791: $result.=&Apache::edit::tag_start($target,$token); 792: my $optionlist; 793: my $package=&decide_package($tagstack); 794: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) { 795: if ($key =~ /^\Q$package\E&(.*)&display$/) { 796: $optionlist.='<option value="'.$1.'">'. 797: $Apache::lonnet::packagetab{$key}.'</option>'; 798: } 799: } 800: if (defined($optionlist)) { 801: $result.=&mt('Use template:').' <select name="'. 802: &Apache::edit::html_element_name('parameter_package').'">'. 803: '<option value=""></option>'.$optionlist.'</select><br />'; 804: } 805: $result.=&Apache::edit::text_arg('Name:','name',$token). 806: &Apache::edit::text_arg('Type:','type',$token). 807: &Apache::edit::text_arg('Description:','description',$token). 808: &Apache::edit::text_arg('Default:','default',$token). 809: "</td></tr>"; 810: $result.=&Apache::edit::end_table; 811: } elsif ($target eq 'modified') { 812: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 813: $safeeval,'name','type', 814: 'description','default'); 815: my $element=&Apache::edit::html_element_name('parameter_package'); 816: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') { 817: my $name=$env{"form.$element"}; 818: my $tag=&decide_package($tagstack); 819: $token->[2]->{'name'}=$name; 820: $token->[2]->{'type'}= 821: $Apache::lonnet::packagetab{"$tag&$name&type"}; 822: $token->[2]->{'description'}= 823: $Apache::lonnet::packagetab{"$tag&$name&display"}; 824: $token->[2]->{'default'}= 825: $Apache::lonnet::packagetab{"$tag&$name&default"}; 826: $token->[3] = ['name','type','description','default']; 827: $constructtag=1; 828: } 829: if ($constructtag) { 830: $result = &Apache::edit::rebuild_tag($token); 831: } 832: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' || 833: $target eq 'tex' || $target eq 'analyze' ) { 834: if ($env{'request.state'} eq 'construct') { 835: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval); 836: my $default=&Apache::lonxml::get_param('default',$parstack, 837: $safeeval); 838: if ($name) {$Apache::inputtags::params{$name}=$default;} 839: } 840: } 841: return $result; 842: } 843: 844: sub end_responseparam { 845: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 846: if ($target eq 'edit') { return ('','no'); } 847: return ''; 848: } 849: 850: sub start_parameter { 851: return &start_responseparam(@_); 852: } 853: 854: sub end_parameter { 855: return &end_responseparam(@_); 856: } 857: 858: sub reset_params { 859: %Apache::inputtags::params=(); 860: } 861: 862: sub setup_params { 863: my ($tag,$safeeval) = @_; 864: 865: if ($env{'request.state'} eq 'construct') { return; } 866: my %paramlist=(); 867: foreach my $key (keys(%Apache::lonnet::packagetab)) { 868: if ($key =~ /^\Q$tag\E/) { 869: my ($package,$name) = split(/&/,$key); 870: $paramlist{$name}=1; 871: } 872: } 873: foreach my $key (keys(%paramlist)) { 874: my $entry= 'resource.'.$Apache::inputtags::part; 875: if (defined($Apache::inputtags::response[-1])) { 876: $entry.='_'.$Apache::inputtags::response[-1]; 877: } 878: $entry.='.'.$key; 879: &Apache::lonxml::debug("looking for $entry"); 880: my $value = &Apache::lonnet::EXT("$entry"); 881: &Apache::lonxml::debug("$key has value :$value:"); 882: if ($value eq 'con_lost' || $value =~ /^error:/) { 883: &Apache::lonxml::debug("using nothing"); 884: $Apache::inputtags::params{$key}=''; 885: } else { 886: my $string="{return qq\0".$value."\0}"; 887: my $newvalue=&Apache::run::run($string,$safeeval,1); 888: if (defined($newvalue)) { $value=$newvalue; } 889: $Apache::inputtags::params{$key}=$value; 890: } 891: } 892: } 893: 894: { 895: my @answer_bits; 896: my $need_row_start; 897: 898: sub answer_header { 899: my ($type,$increment,$rows) = @_; 900: my $result; 901: if ($env{'form.answer_output_mode'} eq 'tex') { 902: undef(@answer_bits); 903: my $bit; 904: if ($Apache::lonhomework::type eq 'exam') { 905: $bit = ($Apache::lonxml::counter+$increment).') '; 906: } else { 907: $bit .= ' '.&mt('Answer for Part: [_1]', 908: '\verb|'.$Apache::inputtags::part.'|').' '; 909: } 910: push(@answer_bits,$bit); 911: } else { 912: my $td = '<td '.(defined($rows)?'rowspan="'.$rows.'"':'').'>'; 913: $result = '<table border="1"><tr>'; 914: if ($Apache::lonhomework::type eq 'exam') { 915: $result .= $td.($Apache::lonxml::counter+$increment). ')</td>'; 916: } else { 917: $result .= $td.&mt('Answer for Part: [_1]', 918: $Apache::inputtags::part).'</td>'; 919: } 920: $result .= "\n"; 921: $need_row_start = 0; 922: } 923: return $result; 924: } 925: 926: sub next_answer { 927: my ($type) = @_; 928: my $result; 929: if ($env{'form.answer_output_mode'} eq 'tex') { 930: # FIXME ... need to do something with tex mode 931: } else { 932: $result .= "</tr>"; 933: $need_row_start = 1; 934: } 935: return $result; 936: } 937: 938: sub answer_part { 939: my ($type,$answer,$args) = @_; 940: my $result; 941: if ($env{'form.answer_output_mode'} eq 'tex') { 942: if (!$args->{'no_verbatim'}) { 943: my $to_use='|'; 944: foreach my $value (32..126) { 945: my $char=pack('c',$value); 946: if ($answer !~ /\Q$char\E/) { 947: $to_use=$char; 948: last; 949: } 950: } 951: my $fullanswer=$answer; 952: $answer=''; 953: foreach my $element (split(/[\;]/,$fullanswer)) { 954: if ($element ne '') { 955: $answer.= '\verb'.$to_use.$element.$to_use.' \newline'; 956: } 957: } 958: } 959: if ($answer ne '') { 960: push(@answer_bits,$answer); 961: } 962: } else { 963: if ($need_row_start) { 964: $result .= '<tr>'; 965: $need_row_start = 0; 966: } 967: $result .= '<td>'.$answer.'</td>'; 968: } 969: return $result; 970: } 971: 972: sub answer_footer { 973: my ($type) = @_; 974: my $result; 975: if ($env{'form.answer_output_mode'} eq 'tex') { 976: $result = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline '; 977: $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}'; 978: for (my $i=1;$i<=$#answer_bits;$i++) { 979: $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}'; 980: } 981: $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm '; 982: } else { 983: if (!$need_row_start) { 984: $result .= '</tr>'; 985: } 986: $result .= '</table>'; 987: } 988: return $result; 989: } 990: 991: } 992: 993: sub showallfoils { 994: if (defined($env{'form.showallfoils'})) { 995: my ($symb)=&Apache::lonnet::whichuser(); 996: if (($env{'request.state'} eq 'construct') || 997: ($env{'user.adv'} && $symb eq '') || 998: ($Apache::lonhomework::viewgrades) ) { 999: return 1; 1000: } 1001: } 1002: if ($Apache::lonhomework::type eq 'survey') { return 1; } 1003: if ($Apache::lonhomework::type eq 'surveycred') { return 1; } 1004: if ($Apache::lonhomework::type eq 'anonsurvey') { return 1; } 1005: if ($Apache::lonhomework::type eq 'anonsurveycred') { return 1; } 1006: 1007: return 0; 1008: } 1009: 1010: =pod 1011: 1012: =item &getresponse(); 1013: 1014: Retreives the current submitted response, helps out in the case of 1015: scantron mode. 1016: 1017: Returns either the exact text of the submission, or a bubbled response 1018: converted to something usable. 1019: 1020: Optional Arguments: 1021: $offset - (defaults to 1) if a problem has more than one bubble 1022: response, pass in the number of the bubble wanted, (the 1023: first bubble associated with a problem has an offset of 1, 1024: the second bubble is 2 1025: 1026: $resulttype - undef -> a number between 0 and 25 1027: 'A is 1' -> a number between 1 and 26 1028: 'letter' -> a letter between 'A' and 'Z' 1029: $lines - undef problem only needs a single line of bubbles. 1030: nonzero Problem wants the first nonempty response in 1031: $lines lines of bubbles. 1032: $bubbles_per_line - Must be provided if lines is defined.. number of 1033: bubbles on a line. 1034: 1035: =cut 1036: 1037: sub getresponse { 1038: my ($offset,$resulttype, $lines, $bubbles_per_line)=@_; 1039: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1']; 1040: my $response; 1041: if (!defined($offset)) { 1042: $offset=1; 1043: } else { 1044: $formparm.=":$offset"; 1045: } 1046: if (!defined($lines)) { 1047: $lines = 1; 1048: } 1049: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7, 1050: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14, 1051: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21, 1052: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25); 1053: if ($env{'form.submitted'} eq 'scantron') { 1054: my $part = $Apache::inputtags::part; 1055: my $id = $Apache::inputtags::response[-1]; 1056: 1057: my $line; 1058: my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id}; 1059: if (!$startline) { 1060: $startline = $Apache::lonxml::counter; 1061: } 1062: for ($line = 0; $line < $lines; $line++) { 1063: my $theline = $startline+$offset-1+$line; 1064: $response = $env{"scantron.$theline.answer"}; 1065: if ((defined($response)) && ($response ne "") && ($response ne " ")) { 1066: last; 1067: } 1068: 1069: } 1070: 1071: # save bubbled letter for later 1072: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= 1073: $response; 1074: if ($resulttype ne 'letter') { 1075: $response = $let_to_num{$response}; 1076: if ($resulttype eq 'A is 1') { 1077: if ($response ne "") { 1078: $response = $response+1; 1079: } 1080: } 1081: if ($response ne "") { 1082: $response += $line * $bubbles_per_line; 1083: } 1084: } else { 1085: if ($response ne "") { 1086: my $raw = $response; 1087: $response = chr(ord($response) + $line * $bubbles_per_line); 1088: } 1089: } 1090: 1091: } else { 1092: $response = $env{$formparm}; 1093: } 1094: # 1095: # If we have a nonempty answer, correct the numeric value 1096: # of the answer for the line on which it was found. 1097: # 1098: 1099: return $response; 1100: } 1101: 1102: =pod 1103: 1104: =item &repetition(); 1105: 1106: In scalar context: 1107: 1108: returns: the number of lines that are required to encode the weight. 1109: (Default is for 10 bubbles per bubblesheet item; other (integer) 1110: values can be specified by using a custom Bubblesheet format file 1111: with an eighteenth entry (BubblesPerRow) set to the integer 1112: appropriate for the bubblesheets which will be used to assign weights. 1113: 1114: In array context: 1115: 1116: returns: number of lines required to encode weight, and bubbles/line. 1117: 1118: =cut 1119: 1120: sub repetition { 1121: my $id = $Apache::inputtags::part; 1122: my $weight = &Apache::lonnet::EXT("resource.$id.weight"); 1123: if (!defined($weight) || ($weight eq '')) { $weight=1; } 1124: my $bubbles_per_row; 1125: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && 1126: ($env{'form.bubbles_per_row'} > 0)) { 1127: $bubbles_per_row = $env{'form.bubbles_per_row'}; 1128: } else { 1129: $bubbles_per_row = 10; 1130: } 1131: my $denominator = $bubbles_per_row; 1132: if (($env{'form.scantron_lastbubblepoints'} == 0) && 1133: ($bubbles_per_row > 1)) { 1134: $denominator = $bubbles_per_row - 1; 1135: } 1136: my $repetition = int($weight/$denominator); 1137: if ($weight % $denominator != 0) { $repetition++; } 1138: if (wantarray) { 1139: return ($repetition,$bubbles_per_row); 1140: } 1141: return $repetition; 1142: 1143: } 1144: 1145: =pod 1146: 1147: =item &scored_response(); 1148: 1149: Sets the results hash elements 1150: 1151: resource.$part_id.$response_id.awarded - to the floating point 1152: number between 0 and 1 that was awarded on the bubbled input 1153: 1154: resource.$part_id.$response_id.awarddetail - to 'ASSIGNED_SCORE' 1155: 1156: Returns 1157: 1158: the number of bubble sheet lines that were used (and likely need to 1159: be passed to &Apache::lonxml::increment_counter() 1160: 1161: Arguments 1162: 1163: $part_id - id of the part to grade 1164: $response_id - id of the response to grade 1165: 1166: 1167: =cut 1168: 1169: sub scored_response { 1170: my ($part,$id)=@_; 1171: my $repetition=&repetition(); 1172: my $bubbles_per_row; 1173: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && 1174: ($env{'form.bubbles_per_row'} > 0)) { 1175: $bubbles_per_row = $env{'form.bubbles_per_row'}; 1176: } else { 1177: $bubbles_per_row = 10; 1178: } 1179: my $score=0; 1180: for (my $i=0;$i<$repetition;$i++) { 1181: # A is 1, B is 2, etc. 1182: my $increase=&Apache::response::getresponse($i+1); 1183: unless (($increase == $bubbles_per_row-1) && 1184: ($env{'form.scantron_lastbubblepoints'} == 0)) { 1185: # (get response return 0-9 and then we add 1) 1186: if ($increase ne '') { 1187: $score+=$increase+1; 1188: } 1189: } 1190: } 1191: my $weight = &Apache::lonnet::EXT("resource.$part.weight"); 1192: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } 1193: my $pcr=$score/$weight; 1194: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr; 1195: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 1196: 'ASSIGNED_SCORE'; 1197: return $repetition; 1198: } 1199: 1200: sub whichorder { 1201: my ($max,$randomize,$showall,$hash,$rndseed)=@_; 1202: #&Apache::lonxml::debug("man $max randomize $randomize"); 1203: my @names; 1204: if (ref($hash->{'names'}) eq 'ARRAY') { 1205: @names = @{$hash->{'names'}}; 1206: } 1207: return if (!@names); 1208: my @whichopt =(); 1209: my (%top,@toplist,%bottom,@bottomlist); 1210: if (!($showall || ($randomize eq 'no'))) { 1211: my $current=0; 1212: foreach my $name (@names) { 1213: $current++; 1214: if ($$hash{"$name.location"} eq 'top') { 1215: $top{$name}=$current; 1216: } elsif ($$hash{"$name.location"} eq 'bottom') { 1217: $bottom{$name}=$current; 1218: } 1219: } 1220: } 1221: my $topcount=0; 1222: my $bottomcount=0; 1223: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall) 1224: && ($#names > -1)) { 1225: #&Apache::lonxml::debug("Have $#whichopt max is $max"); 1226: my $aopt; 1227: if ($showall || ($randomize eq 'no')) { 1228: $aopt=0; 1229: } else { 1230: $aopt=int(&Math::Random::random_uniform() * ($#names+1)); 1231: } 1232: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt"); 1233: $aopt=splice(@names,$aopt,1); 1234: #&Apache::lonxml::debug("Picked $aopt"); 1235: if ($top{$aopt}) { 1236: $toplist[$top{$aopt}]=$aopt; 1237: $topcount++; 1238: } elsif ($bottom{$aopt}) { 1239: $bottomlist[$bottom{$aopt}]=$aopt; 1240: $bottomcount++; 1241: } else { 1242: push (@whichopt,$aopt); 1243: } 1244: } 1245: for (my $i=0;$i<=$#toplist;$i++) { 1246: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) } 1247: } 1248: for (my $i=0;$i<=$#bottomlist;$i++) { 1249: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) } 1250: } 1251: return @whichopt; 1252: } 1253: 1254: sub show_answer { 1255: my $part = $Apache::inputtags::part; 1256: my $award = $Apache::lonhomework::history{"resource.$part.solved"}; 1257: my $status = $Apache::inputtags::status[-1]; 1258: my $canshow = 0; 1259: if ($award =~ /^correct/) { 1260: if (($Apache::lonhomework::history{"resource.$part.awarded"} >= 1) || 1261: (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/)) { 1262: $canshow = 1; 1263: } 1264: } 1265: return (($canshow && &Apache::lonhomework::show_problem_status()) 1266: || $status eq "SHOW_ANSWER"); 1267: } 1268: 1269: sub analyze_store_foilgroup { 1270: my ($shown,$attrs)=@_; 1271: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 1272: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) { 1273: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; } 1274: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name); 1275: foreach my $attr (@$attrs) { 1276: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} = 1277: $Apache::response::foilgroup{"$name.".$attr}; 1278: } 1279: } 1280: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown }); 1281: } 1282: 1283: sub check_if_computed { 1284: my ($token,$parstack,$safeeval,$name)=@_; 1285: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval); 1286: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) { 1287: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 1288: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1; 1289: } 1290: } 1291: 1292: sub pick_foil_for_concept { 1293: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; 1294: my @names; 1295: if (ref($Apache::response::conceptgroup{'names'}) eq 'ARRAY') { 1296: @names = @{ $Apache::response::conceptgroup{'names'} }; 1297: } 1298: return if (!@names); 1299: my $pick=int(&Math::Random::random_uniform() * ($#names+1)); 1300: my $name=$names[$pick]; 1301: push @{ $Apache::response::foilgroup{'names'} }, $name; 1302: foreach my $attr (@$attrs) { 1303: $Apache::response::foilgroup{"$name.".$attr} = 1304: $Apache::response::conceptgroup{"$name.".$attr}; 1305: } 1306: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); 1307: $Apache::response::foilgroup{"$name.concept"} = $concept; 1308: &Apache::lonxml::debug("Selecting $name in $concept"); 1309: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 1310: if ($target eq 'analyze') { 1311: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} }, 1312: $concept); 1313: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}= 1314: $Apache::response::conceptgroup{'names'}; 1315: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) { 1316: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} }, 1317: $name); 1318: foreach my $attr (@$attrs) { 1319: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}= 1320: $Apache::response::conceptgroup{"$name.$attr"}; 1321: } 1322: } 1323: } 1324: push(@{ $hinthash->{"$part_id.concepts"} },$concept); 1325: $hinthash->{"$part_id.concept.$concept"}= 1326: $Apache::response::conceptgroup{'names'}; 1327: 1328: } 1329: 1330: =pod 1331: 1332: =item get_response_param() 1333: 1334: Get a parameter associated with a problem. 1335: Parameters: 1336: $id - the id of the paramater, either a part id, 1337: or a partid and responspe id joined by _ 1338: $name - Name of the parameter to fetch 1339: $default - Default value for the paramter. 1340: 1341: =cut 1342: 1343: sub get_response_param { 1344: my ($id,$name,$default)=@_; 1345: my $parameter; 1346: if ($env{'request.state'} eq 'construct' && 1347: defined($Apache::inputtags::params{$name})) { 1348: $parameter=$Apache::inputtags::params{$name}; 1349: } else { 1350: $parameter=&Apache::lonnet::EXT("resource.$id.$name"); 1351: } 1352: if (!defined($parameter) || $parameter eq '') { 1353: $parameter = $default; 1354: } 1355: return $parameter; 1356: } 1357: 1358: sub submitted { 1359: my ($who)=@_; 1360: 1361: # when scatron grading any submission is a submission 1362: if ($env{'form.submitted'} eq 'scantron') { return 1; } 1363: # if the caller only cared if this was a scantron submission 1364: if ($who eq 'scantron') { return 0; } 1365: # if the Submit Answer button for this particular part was pressed 1366: my $partid=$Apache::inputtags::part; 1367: if ($env{'form.submitted'} eq "part_$partid") { 1368: return 1; 1369: } 1370: if ($env{'form.submitted'} eq "yes" 1371: && defined($env{'form.submit_'.$partid})) { 1372: return 1; 1373: } 1374: # Submit All button on a .page was pressed 1375: if (defined($env{'form.all_submit'})) { return 1; } 1376: # otherwise no submission occurred 1377: return 0; 1378: } 1379: 1380: sub add_to_gradingqueue { 1381: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); 1382: if ( $courseid eq '' 1383: || $symb eq '' 1384: || $env{'request.state'} eq 'construct' 1385: || $Apache::lonhomework::type ne 'problem') { 1386: return; 1387: } 1388: 1389: my %queue_info = ( 'type' => 'problem', 1390: 'time' => time); 1391: 1392: if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) { 1393: $queue_info{'slot'}= 1394: $Apache::lonhomework::history{"resource.0.checkedin.slot"}; 1395: } 1396: 1397: my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info); 1398: if ($result ne 'ok') { 1399: &Apache::lonxml::error("add_to_queue said $result"); 1400: } 1401: } 1402: 1403: =pod 1404: 1405: =item check_status() 1406: 1407: basically undef and 0 (both false) mean that they still have work to do 1408: and all true values mean that they can't do any more work 1409: 1410: a return of undef means it is unattempted 1411: a return of 0 means it is attmpted and wrong but still has tries 1412: a return of 1 means it is marked correct 1413: a return of 2 means they have exceed maximum number of tries 1414: a return of 3 means it after the answer date 1415: 1416: =cut 1417: 1418: sub check_status { 1419: my ($id)=@_; 1420: if (!defined($id)) { $id=$Apache::inputtags::part; } 1421: my $curtime=&Apache::lonnet::EXT('system.time'); 1422: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate"); 1423: my $duedate=&Apache::lonhomework::due_date($id); 1424: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate"); 1425: if ( $opendate && $curtime > $opendate && 1426: $duedate && $curtime > $duedate && 1427: $answerdate && $curtime > $answerdate) { 1428: return 3; 1429: } 1430: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved"); 1431: if ($status =~ /^correct/) { return 1; } 1432: if (!$status) { return undef; } 1433: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries"); 1434: if ($maxtries eq '') { $maxtries=2; } 1435: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries"); 1436: if ($curtries < $maxtries) { return 0; } 1437: return 2; 1438: } 1439: 1440: =pod 1441: 1442: =item setup_prior_tries_hash() 1443: 1444: Foreach each past .submission $func is called with 3 arguments 1445: - the mode to set things up for (currently always 'grade') 1446: - the stored .submission string 1447: - The expansion of $data 1448: 1449: $data is an array ref containing elements that are either 1450: - scalars that are other elements of the history hash to pass to $func 1451: - ref to data to be passed untouched to $func 1452: 1453: $questiontype is the questiontype (currently only passed in if 1454: randomizebytry. 1455: 1456: =cut 1457: 1458: sub setup_prior_tries_hash { 1459: my ($func,$data,$questiontype) = @_; 1460: my $part = $Apache::inputtags::part; 1461: my $id = $Apache::inputtags::response[-1]; 1462: foreach my $i (1..$Apache::lonhomework::history{'version'}) { 1463: my $partprefix = "$i:resource.$part"; 1464: my $sub_key = "$partprefix.$id.submission"; 1465: next if (!exists($Apache::lonhomework::history{$sub_key})); 1466: my $type_key = "$partprefix.type"; 1467: my $type = $Apache::lonhomework::history{$type_key}; 1468: my @other_data; 1469: if (ref($data) eq 'ARRAY') { 1470: foreach my $datum (@{ $data }) { 1471: if (ref($datum)) { 1472: push(@other_data,$datum); 1473: } else { 1474: my $info_key = "$i:resource.$part.$id.$datum"; 1475: push(@other_data,$Apache::lonhomework::history{$info_key}); 1476: } 1477: } 1478: } 1479: if ($questiontype eq 'randomizetry') { 1480: my $order_key = "$partprefix.$id.foilorder"; 1481: my @whichopts = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key}); 1482: if (@whichopts > 0) { 1483: shift(@other_data); 1484: unshift(@other_data,\@whichopts); 1485: } 1486: } 1487: my $output = 1488: &$func('grade', 1489: $Apache::lonhomework::history{$sub_key}, 1490: \@other_data); 1491: if (defined($output)) { 1492: $Apache::inputtags::submission_display{$sub_key} = $output; 1493: } 1494: } 1495: } 1496: 1497: 1; 1498: __END__ 1499: 1500: =pod 1501: 1502: =cut