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Model <mathresponse> after <customresponse>
1: # The LearningOnline Network with CAPA 2: # various response type definitons response definition 3: # 4: # $Id: response.pm,v 1.140 2006/06/19 16:32:35 www 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::response; 30: use strict; 31: use Apache::lonlocal; 32: use Apache::lonnet; 33: 34: BEGIN { 35: &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse')); 36: } 37: 38: sub start_response { 39: my ($parstack,$safeeval)=@_; 40: my $id = &Apache::lonxml::get_id($parstack,$safeeval); 41: if ($#Apache::inputtags::import > -1) { 42: &Apache::lonxml::debug("Turning :$id: into"); 43: $id = join('_',@Apache::inputtags::import).'_'.$id; 44: &Apache::lonxml::debug("New :$id:"); 45: } 46: push (@Apache::inputtags::response,$id); 47: push (@Apache::inputtags::responselist,$id); 48: @Apache::inputtags::inputlist=(); 49: if ($Apache::inputtags::part eq '' && 50: !$Apache::lonhomework::ignore_response_errors) { 51: &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"')); 52: } 53: if ($Apache::inputtags::response_with_no_part && 54: $Apache::inputtags::part ne '0') { 55: &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />'); 56: } 57: if ($Apache::inputtags::part eq '0') { 58: $Apache::inputtags::response_with_no_part=1; 59: } 60: return $id; 61: } 62: 63: sub end_response { 64: #pop @Apache::inputtags::response; 65: @Apache::inputtags::inputlist=(); 66: return ''; 67: } 68: 69: sub start_hintresponse { 70: my ($parstack,$safeeval)=@_; 71: my $id = &Apache::lonxml::get_id($parstack,$safeeval); 72: push (@Apache::inputtags::hint,$id); 73: push (@Apache::inputtags::hintlist,$id); 74: push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]); 75: return $id; 76: } 77: 78: sub end_hintresponse { 79: pop @Apache::inputtags::hint; 80: if (defined($Apache::inputtags::paramstack[-1])) { 81: %Apache::inputtags::params= 82: @{ pop(@Apache::inputtags::paramstack) }; 83: } 84: return ''; 85: } 86: 87: my @randomseeds; 88: sub pushrandomnumber { 89: my $rand_alg=&Apache::lonnet::get_rand_alg(); 90: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 91: $rand_alg eq '64bit2') { 92: # do nothing 93: } else { 94: my @seed=&Math::Random::random_get_seed(); 95: push(@randomseeds,\@seed); 96: } 97: &Apache::response::setrandomnumber(@_); 98: } 99: sub poprandomnumber { 100: my $rand_alg=&Apache::lonnet::get_rand_alg(); 101: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 102: $rand_alg eq '64bit2') { 103: return; 104: } 105: my $seed=pop(@randomseeds); 106: if ($seed) { 107: &Math::Random::random_set_seed(@$seed); 108: } else { 109: &Apache::lonxml::error("Unable to restore random algorithm."); 110: } 111: } 112: 113: sub setrandomnumber { 114: my ($ignore_id2) = @_; 115: my $rndseed; 116: $rndseed=&Apache::structuretags::setup_rndseed(); 117: if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); } 118: &Apache::lonxml::debug("randseed $rndseed"); 119: # $rndseed=unpack("%32i",$rndseed); 120: my $rand_alg=&Apache::lonnet::get_rand_alg(); 121: my ($rndmod,$rndmod2); 122: 123: my ($id1,$id2,$shift_amt); 124: if ($Apache::lonhomework::parsing_a_problem) { 125: $id1=$Apache::inputtags::part; 126: if (defined($Apache::inputtags::response[-1])) { 127: $id2=$Apache::inputtags::response[-1]; 128: } 129: $shift_amt=scalar(@Apache::inputtags::responselist); 130: } elsif ($Apache::lonhomework::parsing_a_task) { 131: $id1=$Apache::bridgetask::dimension; 132: if (!$ignore_id2 && defined($Apache::bridgetask::instance[-1])) { 133: $id2=$Apache::bridgetask::instance[-1]; 134: } 135: $shift_amt=scalar(@Apache::bridgetask::instance); 136: } 137: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt"); 138: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 139: $rand_alg eq '64bit2') { 140: $rndmod=(&Apache::lonnet::numval($id1) << 10); 141: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); } 142: } elsif ($rand_alg eq '64bit3') { 143: $rndmod=(&Apache::lonnet::numval2($id1) << 10); 144: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); } 145: } elsif ($rand_alg eq '64bit4') { 146: my $shift=(4*$shift_amt)%30; 147: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30)); 148: if (defined($id2)) { 149: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift ); 150: } 151: } else { 152: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2"); 153: } 154: 155: if ($rndseed =~/([,:])/) { 156: my $char=$1; 157: use integer; 158: my ($num1,$num2)=split(/\Q$char\E/,$rndseed); 159: $num1+=$rndmod; 160: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod); 161: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } 162: $rndseed=$num1.$char.$num2; 163: } else { 164: $rndseed+=$rndmod; 165: if($Apache::lonnet::_64bit) { 166: use integer; 167: $rndseed=(($rndseed<<32)>>32); 168: } 169: } 170: &Apache::lonxml::debug("randseed $rndmod $rndseed"); 171: &Apache::lonnet::setup_random_from_rndseed($rndseed); 172: return ''; 173: } 174: 175: sub meta_parameter_write { 176: my ($name,$type,$default,$display)=@_; 177: my $partref=$Apache::inputtags::part; 178: my $result='<parameter part="'.$Apache::inputtags::part.'"'; 179: if (defined($Apache::inputtags::response[-1])) { 180: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 181: $partref.='_'.$Apache::inputtags::response[-1]; 182: } 183: $result.= ' name="'.$name.'"'. 184: ' type="'.$type.'"'. 185: (defined($default)?' default="'.$default.'"':''). 186: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'') 187: .'></parameter>' 188: ."\n"; 189: return $result; 190: } 191: 192: sub meta_package_write { 193: my $name=shift; 194: my $result = '<parameter part="'.$Apache::inputtags::part.'"'; 195: if(defined($Apache::inputtags::response[-1])) { 196: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 197: } 198: $result.=' package="'.$name.'"></parameter>'."\n"; 199: return $result; 200: } 201: 202: sub meta_stores_write { 203: my ($name,$type,$display)=@_; 204: my $partref=$Apache::inputtags::part; 205: my $result = '<stores part="'.$Apache::inputtags::part.'"'; 206: if (defined($Apache::inputtags::response[-1])) { 207: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 208: $partref.='_'.$Apache::inputtags::response[-1]; 209: } 210: $result.= ' name="'.$name.'"'. 211: ' type="'.$type.'"'. 212: ' display="'.$display.' [Part: '.$partref.']"'. 213: "></stores>\n"; 214: } 215: 216: sub mandatory_part_meta { 217: # 218: # Autogenerate metadata for mandatory 219: # input (from RAT or lonparmset) and 220: # output (to lonspreadsheet) 221: # of each part 222: # 223: return 224: # &meta_parameter_write('opendate','date_start','', 225: # 'Opening Date'). 226: # &meta_parameter_write('duedate','date_end','', 227: # 'Due Date'). 228: # &meta_parameter_write('answerdate','date_start','', 229: # 'Show Answer Date'). 230: # &meta_parameter_write('weight','int_zeropos','', 231: # 'Available Points'). 232: # &meta_parameter_write('maxtries','int_pos','', 233: # 'Maximum Number of Tries'). 234: &meta_package_write('part'). 235: &meta_stores_write('solved','string', 236: 'Problem Status'). 237: &meta_stores_write('tries','int_zeropos', 238: 'Number of Attempts'). 239: &meta_stores_write('awarded','float', 240: 'Partial Credit Factor'); 241: # 242: # Note: responseid-specific data 'submission' and 'awarddetail' 243: # not available to spreadsheet -> skip here 244: # 245: } 246: 247: sub meta_part_order { 248: if (@Apache::inputtags::partlist) { 249: my @parts=@Apache::inputtags::partlist; 250: shift(@parts); 251: return '<partorder>'.join(',',@parts).'</partorder>'."\n"; 252: } else { 253: return '<partorder>0</partorder>'."\n"; 254: } 255: } 256: 257: sub meta_response_order { 258: if (@Apache::inputtags::responselist) { 259: return '<responseorder>'.join(',',@Apache::inputtags::responselist). 260: '</responseorder>'."\n"; 261: } 262: } 263: 264: sub check_for_previous { 265: my ($curresponse,$partid,$id) = @_; 266: my %previous; 267: $previous{'used'} = 0; 268: foreach my $key (sort(keys(%Apache::lonhomework::history))) { 269: if ($key =~ /resource\.$partid\.$id\.submission$/) { 270: &Apache::lonxml::debug("Trying $key"); 271: my $pastresponse=$Apache::lonhomework::history{$key}; 272: if ($pastresponse eq $curresponse) { 273: $previous{'used'} = 1; 274: my $history; 275: if ( $key =~ /^(\d+):/ ) { 276: $history=$1; 277: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"}; 278: $previous{'last'}='0'; 279: push(@{ $previous{'version'} },$history); 280: } else { 281: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"}; 282: $previous{'last'}='1'; 283: } 284: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; } 285: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:"); 286: } 287: } 288: } 289: &Apache::lonhomework::showhash(%previous); 290: return %previous; 291: } 292: 293: sub handle_previous { 294: my ($previous,$ad)=@_; 295: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) { 296: if ($$previous{'last'}) { 297: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST'); 298: push(@Apache::inputtags::previous_version,$$previous{'version'}); 299: } elsif ($Apache::lonhomework::type ne 'survey') { 300: push(@Apache::inputtags::previous,'PREVIOUSLY_USED'); 301: push(@Apache::inputtags::previous_version,$$previous{'version'}); 302: } 303: } 304: } 305: 306: sub view_or_modify { 307: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); 308: my $myself=0; 309: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) { 310: $myself=1; 311: } 312: my $vgr=&Apache::lonnet::allowed('vgr',$courseid); 313: my $mgr=&Apache::lonnet::allowed('vgr',$courseid); 314: if ($mgr) { return "M"; } 315: if ($vgr) { return "V"; } 316: if ($myself) { return "V"; } 317: return ''; 318: } 319: 320: sub start_dataresponse { 321: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 322: my $id = &Apache::response::start_response($parstack,$safeeval); 323: my $result; 324: if ($target eq 'web') { 325: $result = $token->[2]->{'display'}.':'; 326: } elsif ($target eq 'meta') { 327: $result = &Apache::response::meta_stores_write($token->[2]->{'name'}, 328: $token->[2]->{'type'}, 329: $token->[2]->{'display'}); 330: $result .= &Apache::response::meta_package_write('dataresponse'); 331: } 332: return $result; 333: } 334: 335: sub end_dataresponse { 336: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 337: my $result; 338: if ( $target eq 'web' ) { 339: } elsif ($target eq 'grade' ) { 340: if ( defined $env{'form.submitted'}) { 341: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser(); 342: my $allowed=&Apache::lonnet::allowed('mgr',$courseid); 343: if ($allowed) { 344: &Apache::response::setup_params('dataresponse',$safeeval); 345: my $partid = $Apache::inputtags::part; 346: my $id = $Apache::inputtags::response['-1']; 347: my $response = $env{'form.HWVAL_'.$id}; 348: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 349: if ( $response =~ /[^\s]/) { 350: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response; 351: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; 352: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED'; 353: } 354: } else { 355: $result='Not Permitted to change values.' 356: } 357: } 358: } 359: &Apache::response::end_response; 360: return $result; 361: } 362: 363: sub start_customresponse { 364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 365: my $id = &Apache::response::start_response($parstack,$safeeval); 366: push(@Apache::lonxml::namespace,'customresponse'); 367: my $result; 368: undef($Apache::response::custom_answer); 369: &Apache::lonxml::register('Apache::response',('answer')); 370: if ($target eq 'web') { 371: if ( &Apache::response::show_answer() ) { 372: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 373: $safeeval); 374: $Apache::inputtags::answertxt{$id}=$answer; 375: } 376: } elsif ($target eq 'edit') { 377: $result.=&Apache::edit::tag_start($target,$token); 378: $result.=&Apache::edit::text_arg('String to display for answer:', 379: 'answerdisplay',$token); 380: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 381: } elsif ($target eq 'modified') { 382: my $constructtag; 383: $constructtag=&Apache::edit::get_new_args($token,$parstack, 384: $safeeval,'answerdisplay'); 385: if ($constructtag) { 386: $result = &Apache::edit::rebuild_tag($token); 387: $result.=&Apache::edit::handle_insert(); 388: } 389: } elsif ($target eq 'answer' || $target eq 'grade') { 390: &Apache::response::reset_params(); 391: } elsif ($target eq 'meta') { 392: $result .= &Apache::response::meta_package_write('customresponse'); 393: } 394: return $result; 395: } 396: 397: sub end_customresponse { 398: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 399: my $result; 400: my $part=$Apache::inputtags::part; 401: my $id=$Apache::inputtags::response[-1]; 402: if ( $target eq 'grade' && &Apache::response::submitted() ) { 403: my $response = &Apache::response::getresponse(); 404: if ( $response =~ /[^\s]/ && 405: $Apache::response::custom_answer_type eq 'loncapa/perl') { 406: if (!$Apache::lonxml::default_homework_loaded) { 407: &Apache::lonxml::default_homework_load($safeeval); 408: } 409: my %previous = &Apache::response::check_for_previous($response, 410: $part,$id); 411: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 412: $response; 413: my $error; 414: ${$safeeval->varglob('LONCAPA::customresponse_submission')}= 415: $response; 416: 417: my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval); 418: if (!&Apache::inputtags::valid_award($award)) { 419: $error = $award; 420: $award = 'ERROR'; 421: } 422: &Apache::response::handle_previous(\%previous,$award); 423: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 424: $award; 425: if ($error) { 426: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 427: $error; 428: } 429: } 430: } 431: pop(@Apache::lonxml::namespace); 432: &Apache::lonxml::deregister('Apache::response',('answer')); 433: &Apache::response::end_response(); 434: return $result; 435: } 436: 437: 438: sub start_mathresponse { 439: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 440: my $id = &Apache::response::start_response($parstack,$safeeval); 441: push(@Apache::lonxml::namespace,'mathresponse'); 442: my $result; 443: undef($Apache::response::custom_answer); 444: &Apache::lonxml::register('Apache::response',('answer')); 445: if ($target eq 'web') { 446: if ( &Apache::response::show_answer() ) { 447: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 448: $safeeval); 449: $Apache::inputtags::answertxt{$id}=$answer; 450: } 451: } elsif ($target eq 'edit') { 452: $result.=&Apache::edit::tag_start($target,$token); 453: $result.=&Apache::edit::text_arg('String to display for answer:', 454: 'answerdisplay',$token); 455: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 456: } elsif ($target eq 'modified') { 457: my $constructtag; 458: $constructtag=&Apache::edit::get_new_args($token,$parstack, 459: $safeeval,'answerdisplay'); 460: if ($constructtag) { 461: $result = &Apache::edit::rebuild_tag($token); 462: $result.=&Apache::edit::handle_insert(); 463: } 464: } elsif ($target eq 'answer' || $target eq 'grade') { 465: &Apache::response::reset_params(); 466: } elsif ($target eq 'meta') { 467: $result .= &Apache::response::meta_package_write('mathresponse'); 468: } 469: return $result; 470: } 471: 472: sub end_mathresponse { 473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 474: my $result; 475: my $part=$Apache::inputtags::part; 476: my $id=$Apache::inputtags::response[-1]; 477: if ( $target eq 'grade' && &Apache::response::submitted() ) { 478: my $response = &Apache::response::getresponse(); 479: if ( $response =~ /[^\s]/ && 480: $Apache::response::custom_answer_type eq 'loncapa/perl') { 481: if (!$Apache::lonxml::default_homework_loaded) { 482: &Apache::lonxml::default_homework_load($safeeval); 483: } 484: my %previous = &Apache::response::check_for_previous($response, 485: $part,$id); 486: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 487: $response; 488: my $error; 489: ${$safeeval->varglob('LONCAPA::mathresponse_submission')}= 490: $response; 491: 492: my $award = &Apache::run::run('{ my $submission=$LONCAPA::mathresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval); 493: if (!&Apache::inputtags::valid_award($award)) { 494: $error = $award; 495: $award = 'ERROR'; 496: } 497: &Apache::response::handle_previous(\%previous,$award); 498: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 499: $award; 500: if ($error) { 501: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 502: $error; 503: } 504: } 505: } 506: pop(@Apache::lonxml::namespace); 507: &Apache::lonxml::deregister('Apache::response',('answer')); 508: &Apache::response::end_response(); 509: return $result; 510: } 511: 512: 513: sub start_answer { 514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 515: my $result; 516: $Apache::response::custom_answer= 517: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser); 518: $Apache::response::custom_answer_type= 519: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)); 520: $Apache::response::custom_answer_type =~ s/\s+//g; 521: if ($target eq "edit" ) { 522: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm'); 523: $result.=&Apache::edit::editfield($token->[1], 524: $Apache::response::custom_answer, 525: '',80,4); 526: } elsif ( $target eq "modified" ) { 527: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser); 528: } 529: return $result; 530: } 531: 532: sub end_answer { 533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 534: if ($target eq 'edit' ) { 535: return &Apache::edit::end_table(); 536: } 537: } 538: 539: sub decide_package { 540: my ($tagstack)=@_; 541: my $package; 542: if ($$tagstack[-1] eq 'parameter') { 543: $package='part'; 544: } else { 545: my $i=-1; 546: while (defined($$tagstack[$i])) { 547: if ($$tagstack[$i] =~ /(response|hint)$/) { 548: $package=$$tagstack[$i]; 549: last; 550: } 551: $i--; 552: } 553: } 554: return $package; 555: } 556: 557: sub start_responseparam { 558: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 559: my $result=''; 560: if ($target eq 'meta') { 561: $result = &meta_parameter_write($token->[2]->{'name'}, 562: $token->[2]->{'type'}, 563: $token->[2]->{'default'}, 564: $token->[2]->{'description'}); 565: } elsif ($target eq 'edit') { 566: $result.=&Apache::edit::tag_start($target,$token); 567: my $optionlist; 568: my $package=&decide_package($tagstack); 569: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) { 570: if ($key =~ /^\Q$package\E&(.*)&display$/) { 571: $optionlist.='<option value="'.$1.'">'. 572: $Apache::lonnet::packagetab{$key}.'</option>'; 573: } 574: } 575: if (defined($optionlist)) { 576: $result.='Use template: <select name="'. 577: &Apache::edit::html_element_name('parameter_package').'">'. 578: '<option value=""></option>'.$optionlist.'</select><br />'; 579: } 580: $result.=&Apache::edit::text_arg('Name:','name',$token). 581: &Apache::edit::text_arg('Type:','type',$token). 582: &Apache::edit::text_arg('Description:','description',$token). 583: &Apache::edit::text_arg('Default:','default',$token). 584: "</td></tr>"; 585: $result.=&Apache::edit::end_table; 586: } elsif ($target eq 'modified') { 587: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 588: $safeeval,'name','type', 589: 'description','default'); 590: my $element=&Apache::edit::html_element_name('parameter_package'); 591: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') { 592: my $name=$env{"form.$element"}; 593: my $tag=&decide_package($tagstack); 594: $token->[2]->{'name'}=$name; 595: $token->[2]->{'type'}= 596: $Apache::lonnet::packagetab{"$tag&$name&type"}; 597: $token->[2]->{'description'}= 598: $Apache::lonnet::packagetab{"$tag&$name&display"}; 599: $token->[2]->{'default'}= 600: $Apache::lonnet::packagetab{"$tag&$name&default"}; 601: $constructtag=1; 602: } 603: if ($constructtag) { 604: $result = &Apache::edit::rebuild_tag($token); 605: $result.=&Apache::edit::handle_insert(); 606: } 607: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' || 608: $target eq 'tex' || $target eq 'analyze' ) { 609: if ($env{'request.state'} eq 'construct') { 610: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval); 611: my $default=&Apache::lonxml::get_param('default',$parstack, 612: $safeeval); 613: if ($name) {$Apache::inputtags::params{$name}=$default;} 614: } 615: } 616: return $result; 617: } 618: 619: sub end_responseparam { 620: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 621: if ($target eq 'edit') { return ('','no'); } 622: return ''; 623: } 624: 625: sub start_parameter { 626: return &start_responseparam(@_); 627: } 628: 629: sub end_parameter { 630: return &end_responseparam(@_); 631: } 632: 633: sub reset_params { 634: %Apache::inputtags::params=(); 635: } 636: 637: sub setup_params { 638: my ($tag,$safeeval) = @_; 639: 640: if ($env{'request.state'} eq 'construct') { return; } 641: my %paramlist=(); 642: foreach my $key (keys(%Apache::lonnet::packagetab)) { 643: if ($key =~ /^$tag/) { 644: my ($package,$name) = split(/&/,$key); 645: $paramlist{$name}=1; 646: } 647: } 648: foreach my $key (keys(%paramlist)) { 649: my $entry= 'resource.'.$Apache::inputtags::part; 650: if (defined($Apache::inputtags::response[-1])) { 651: $entry.='_'.$Apache::inputtags::response[-1]; 652: } 653: $entry.='.'.$key; 654: &Apache::lonxml::debug("looking for $entry"); 655: my $value = &Apache::lonnet::EXT("$entry"); 656: &Apache::lonxml::debug("$key has value :$value:"); 657: if ($value eq 'con_lost' || $value =~ /^error:/) { 658: &Apache::lonxml::debug("using nothing"); 659: $Apache::inputtags::params{$key}=''; 660: } else { 661: my $string="{return qq\0".$value."\0}"; 662: my $newvalue=&Apache::run::run($string,$safeeval,1); 663: if (defined($newvalue)) { $value=$newvalue; } 664: $Apache::inputtags::params{$key}=$value; 665: } 666: } 667: } 668: 669: { 670: my @answer_bits; 671: 672: sub answer_header { 673: my ($type,$increment) = @_; 674: my $result; 675: if ($env{'form.answer_output_mode'} eq 'tex') { 676: undef(@answer_bits); 677: my $bit; 678: if ($Apache::lonhomework::type eq 'exam') { 679: $bit = ($Apache::lonxml::counter+$increment).') '; 680: } else { 681: $bit .= ' Answer for Part: \verb|'. 682: $Apache::inputtags::part.'| '; 683: } 684: push(@answer_bits,$bit); 685: } else { 686: $result = '<table border="1"><tr>'; 687: if ($Apache::lonhomework::type eq 'exam') { 688: $result .= '<td>'.($Apache::lonxml::counter+$increment). ')</td>'; 689: } else { 690: $result .= '<td>Answer for Part:'.$Apache::inputtags::part.'</td>'; 691: } 692: $result .= "\n"; 693: } 694: return $result; 695: } 696: 697: sub answer_part { 698: my ($type,$answer) = @_; 699: my $result; 700: if ($env{'form.answer_output_mode'} eq 'tex') { 701: my $to_use='|'; 702: foreach my $value (32..126) { 703: my $char=pack('c',$value); 704: if ($answer !~ /\Q$char\E/) { 705: $to_use=$char; 706: last; 707: } 708: } 709: if ($answer ne '') { 710: push(@answer_bits,'\verb'.$to_use.$answer.$to_use); 711: } 712: } else { 713: $result = '<td>'.$answer.'</td>'; 714: } 715: return $result; 716: } 717: 718: sub answer_footer { 719: my ($type) = @_; 720: my $result; 721: if ($env{'form.answer_output_mode'} eq 'tex') { 722: my $columns = scalar(@answer_bits); 723: $result = ' \vskip 0 mm \noindent \begin{tabular}{|'.'c|'x$columns.'}\hline '; 724: $result .= join(' & ',@answer_bits); 725: $result .= ' \\\\ \\hline \end{tabular} \vskip 0 mm '; 726: } else { 727: $result = '</tr></table>'; 728: } 729: return $result; 730: } 731: 732: } 733: 734: sub showallfoils { 735: if (defined($env{'form.showallfoils'})) { 736: my ($symb)=&Apache::lonxml::whichuser(); 737: if (($env{'request.state'} eq 'construct') || 738: ($env{'user.adv'} && $symb eq '') || 739: ($Apache::lonhomework::viewgrades) ) { 740: return 1; 741: } 742: } 743: if ($Apache::lonhomework::type eq 'survey') { return 1; } 744: return 0; 745: } 746: 747: sub getresponse { 748: my ($temp,$resulttype)=@_; 749: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1']; 750: my $response; 751: if (!defined($temp)) { 752: $temp=1; 753: } else { 754: $formparm.=":$temp"; 755: } 756: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7, 757: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14, 758: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21, 759: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25); 760: if ($env{'form.submitted'} eq 'scantron') { 761: my $part = $Apache::inputtags::part; 762: my $id = $Apache::inputtags::response[-1]; 763: $response = $env{'scantron.'.($Apache::lonxml::counter+$temp-1). 764: '.answer'}; 765: # save bubbled letter for later 766: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= 767: $response; 768: if ($resulttype ne 'letter') { 769: if ($resulttype eq 'A is 1') { 770: $response = $let_to_num{$response}+1; 771: } else { 772: $response = $let_to_num{$response}; 773: } 774: } 775: } else { 776: $response = $env{$formparm}; 777: } 778: return $response; 779: } 780: 781: sub repetition { 782: my $id = $Apache::inputtags::part; 783: my $weight = &Apache::lonnet::EXT("resource.$id.weight"); 784: if (!defined($weight) || ($weight eq '')) { $weight=1; } 785: my $repetition = int($weight/10); 786: if ($weight % 10 != 0) { $repetition++; } 787: return $repetition; 788: } 789: 790: sub scored_response { 791: my ($part,$id)=@_; 792: my $repetition=&repetition(); 793: my $score=0; 794: for (my $i=0;$i<$repetition;$i++) { 795: # A is 1, B is 2, etc. (get response return 0-9 and then we add 1) 796: my $increase=&Apache::response::getresponse($i+1); 797: if ($increase ne '') { $score+=$increase+1; } 798: } 799: my $weight = &Apache::lonnet::EXT("resource.$part.weight"); 800: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } 801: my $pcr=$score/$weight; 802: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr; 803: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 804: 'ASSIGNED_SCORE'; 805: return $repetition; 806: } 807: 808: sub whichorder { 809: my ($max,$randomize,$showall,$hash)=@_; 810: #&Apache::lonxml::debug("man $max randomize $randomize"); 811: if (!defined(@{ $$hash{'names'} })) { return; } 812: my @names = @{ $$hash{'names'} }; 813: my @whichopt =(); 814: my (%top,@toplist,%bottom,@bottomlist); 815: if (!($showall || ($randomize eq 'no'))) { 816: my $current=0; 817: foreach my $name (@names) { 818: $current++; 819: if ($$hash{"$name.location"} eq 'top') { 820: $top{$name}=$current; 821: } elsif ($$hash{"$name.location"} eq 'bottom') { 822: $bottom{$name}=$current; 823: } 824: } 825: } 826: my $topcount=0; 827: my $bottomcount=0; 828: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall) 829: && ($#names > -1)) { 830: #&Apache::lonxml::debug("Have $#whichopt max is $max"); 831: my $aopt; 832: if ($showall || ($randomize eq 'no')) { 833: $aopt=0; 834: } else { 835: $aopt=int(&Math::Random::random_uniform() * ($#names+1)); 836: } 837: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt"); 838: $aopt=splice(@names,$aopt,1); 839: #&Apache::lonxml::debug("Picked $aopt"); 840: if ($top{$aopt}) { 841: $toplist[$top{$aopt}]=$aopt; 842: $topcount++; 843: } elsif ($bottom{$aopt}) { 844: $bottomlist[$bottom{$aopt}]=$aopt; 845: $bottomcount++; 846: } else { 847: push (@whichopt,$aopt); 848: } 849: } 850: for (my $i=0;$i<=$#toplist;$i++) { 851: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) } 852: } 853: for (my $i=0;$i<=$#bottomlist;$i++) { 854: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) } 855: } 856: return @whichopt; 857: } 858: 859: sub show_answer { 860: my $part = $Apache::inputtags::part; 861: my $award = $Apache::lonhomework::history{"resource.$part.solved"}; 862: my $status = $Apache::inputtags::status[-1]; 863: return ( ($award =~ /^correct/ 864: && lc($Apache::lonhomework::problemstatus) ne 'no') 865: || $status eq "SHOW_ANSWER"); 866: } 867: 868: sub analyze_store_foilgroup { 869: my ($shown,$attrs)=@_; 870: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 871: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) { 872: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; } 873: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name); 874: foreach my $attr (@$attrs) { 875: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} = 876: $Apache::response::foilgroup{"$name.".$attr}; 877: } 878: } 879: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown }); 880: } 881: 882: sub check_if_computed { 883: my ($token,$parstack,$safeeval,$name)=@_; 884: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval); 885: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) { 886: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 887: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1; 888: } 889: } 890: 891: sub pick_foil_for_concept { 892: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; 893: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; } 894: my @names = @{ $Apache::response::conceptgroup{'names'} }; 895: my $pick=int(&Math::Random::random_uniform() * ($#names+1)); 896: my $name=$names[$pick]; 897: push @{ $Apache::response::foilgroup{'names'} }, $name; 898: foreach my $attr (@$attrs) { 899: $Apache::response::foilgroup{"$name.".$attr} = 900: $Apache::response::conceptgroup{"$name.".$attr}; 901: } 902: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); 903: $Apache::response::foilgroup{"$name.concept"} = $concept; 904: &Apache::lonxml::debug("Selecting $name in $concept"); 905: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 906: if ($target eq 'analyze') { 907: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} }, 908: $concept); 909: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}= 910: $Apache::response::conceptgroup{'names'}; 911: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) { 912: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} }, 913: $name); 914: foreach my $attr (@$attrs) { 915: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}= 916: $Apache::response::conceptgroup{"$name.$attr"}; 917: } 918: } 919: } 920: push(@{ $hinthash->{"$part_id.concepts"} },$concept); 921: $hinthash->{"$part_id.concept.$concept"}= 922: $Apache::response::conceptgroup{'names'}; 923: 924: } 925: 926: sub get_response_param { 927: my ($id,$name,$default)=@_; 928: my $parameter; 929: if ($env{'request.state'} eq 'construct' && 930: defined($Apache::inputtags::params{$name})) { 931: $parameter=$Apache::inputtags::params{$name}; 932: } else { 933: $parameter=&Apache::lonnet::EXT("resource.$id.$name"); 934: } 935: if (!defined($parameter) || $parameter eq '') { 936: $parameter = $default; 937: } 938: return $parameter; 939: } 940: 941: sub submitted { 942: my ($who)=@_; 943: 944: # when scatron grading any submission is a submission 945: if ($env{'form.submitted'} eq 'scantron') { return 1; } 946: # if the caller only cared if this was a scantron submission 947: if ($who eq 'scantron') { return 0; } 948: # if the Submit Answer button for this particular part was pressed 949: my $partid=$Apache::inputtags::part; 950: if (defined($env{'form.submit_'.$partid})) { return 1; } 951: # Submit All button on a .page was pressed 952: if (defined($env{'form.all_submit'})) { return 1; } 953: # otherwise no submission occured 954: return 0; 955: } 956: 957: sub add_to_gradingqueue { 958: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); 959: if ( $courseid eq '' 960: || $symb eq '' 961: || $env{'request.state'} eq 'construct' 962: || $Apache::lonhomework::type ne 'problem') { 963: return; 964: } 965: 966: my %queue_info = ( 'type' => 'problem', 967: 'time' => time); 968: 969: if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) { 970: $queue_info{'slot'}= 971: $Apache::lonhomework::history{"resource.0.checkedin.slot"}; 972: } 973: 974: my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info); 975: if ($result ne 'ok') { 976: &Apache::lonxml::error("add_to_queue said $result"); 977: } 978: } 979: 980: # basically undef and 0 (both false) mean that they still have work to do 981: # and all true values mean that they can't do any more work 982: # 983: # a return of undef means it is unattempted 984: # a return of 0 means it is attmpted and wrong but still has tries 985: # a return of 1 means it is marked correct 986: # a return of 2 means they have exceed maximum number of tries 987: # a return of 3 means it after the answer date 988: sub check_status { 989: my ($id)=@_; 990: if (!$id) { $id=$Apache::linputtags::part; } 991: my $curtime=&Apache::lonnet::EXT('system.time'); 992: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate"); 993: my $duedate=&Apache::lonnet::EXT("resource.$id.duedate"); 994: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate"); 995: if ( $opendate && $curtime > $opendate && 996: $duedate && $curtime > $duedate && 997: $answerdate && $curtime > $answerdate) { 998: return 3; 999: } 1000: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved"); 1001: if ($status =~ /^correct/) { return 1; } 1002: if (!$status) { return undef; } 1003: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries"); 1004: if ($maxtries eq '') { $maxtries=2; } 1005: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries"); 1006: if ($curtries < $maxtries) { return 0; } 1007: return 2; 1008: } 1009: 1010: 1; 1011: __END__ 1012: