![]() ![]() | ![]() |
- moving the help to the 'correct' location
1: # The LearningOnline Network with CAPA 2: # various response type definitons response definition 3: # 4: # $Id: response.pm,v 1.145 2006/07/18 18:52:57 albertel Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: 29: package Apache::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: $id1=&Apache::bridgetask::get_dim_id(); 132: if (!$ignore_id2 && ref($Apache::bridgetask::instance{$id1})) { 133: $id2=$Apache::bridgetask::instance{$id1}[-1]; 134: $shift_amt=scalar(@{$Apache::bridgetask::instance{$id1}}); 135: } else { 136: $shift_amt=0; 137: } 138: } 139: &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt"); 140: if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || 141: $rand_alg eq '64bit2') { 142: $rndmod=(&Apache::lonnet::numval($id1) << 10); 143: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); } 144: } elsif ($rand_alg eq '64bit3') { 145: $rndmod=(&Apache::lonnet::numval2($id1) << 10); 146: if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); } 147: } elsif ($rand_alg eq '64bit4') { 148: my $shift=(4*$shift_amt)%30; 149: $rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30)); 150: if (defined($id2)) { 151: $rndmod+=(&Apache::lonnet::numval3($id2) << $shift ); 152: } 153: } else { 154: ($rndmod,$rndmod2)=&Apache::lonnet::digest("$id1,$id2"); 155: } 156: 157: if ($rndseed =~/([,:])/) { 158: my $char=$1; 159: use integer; 160: my ($num1,$num2)=split(/\Q$char\E/,$rndseed); 161: $num1+=$rndmod; 162: $num2+= ((defined($rndmod2)) ? $rndmod2 : $rndmod); 163: if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } 164: $rndseed=$num1.$char.$num2; 165: } else { 166: $rndseed+=$rndmod; 167: if($Apache::lonnet::_64bit) { 168: use integer; 169: $rndseed=(($rndseed<<32)>>32); 170: } 171: } 172: &Apache::lonxml::debug("randseed $rndmod $rndseed"); 173: &Apache::lonnet::setup_random_from_rndseed($rndseed); 174: return ''; 175: } 176: 177: sub meta_parameter_write { 178: my ($name,$type,$default,$display)=@_; 179: my $partref=$Apache::inputtags::part; 180: my $result='<parameter part="'.$Apache::inputtags::part.'"'; 181: if (defined($Apache::inputtags::response[-1])) { 182: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 183: $partref.='_'.$Apache::inputtags::response[-1]; 184: } 185: $result.= ' name="'.$name.'"'. 186: ' type="'.$type.'"'. 187: (defined($default)?' default="'.$default.'"':''). 188: (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'') 189: .'></parameter>' 190: ."\n"; 191: return $result; 192: } 193: 194: sub meta_package_write { 195: my $name=shift; 196: my $result = '<parameter part="'.$Apache::inputtags::part.'"'; 197: if(defined($Apache::inputtags::response[-1])) { 198: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 199: } 200: $result.=' package="'.$name.'"></parameter>'."\n"; 201: return $result; 202: } 203: 204: sub meta_stores_write { 205: my ($name,$type,$display)=@_; 206: my $partref=$Apache::inputtags::part; 207: my $result = '<stores part="'.$Apache::inputtags::part.'"'; 208: if (defined($Apache::inputtags::response[-1])) { 209: $result.= ' id="'.$Apache::inputtags::response[-1].'"'; 210: $partref.='_'.$Apache::inputtags::response[-1]; 211: } 212: $result.= ' name="'.$name.'"'. 213: ' type="'.$type.'"'. 214: ' display="'.$display.' [Part: '.$partref.']"'. 215: "></stores>\n"; 216: } 217: 218: sub mandatory_part_meta { 219: # 220: # Autogenerate metadata for mandatory 221: # input (from RAT or lonparmset) and 222: # output (to lonspreadsheet) 223: # of each part 224: # 225: return 226: # &meta_parameter_write('opendate','date_start','', 227: # 'Opening Date'). 228: # &meta_parameter_write('duedate','date_end','', 229: # 'Due Date'). 230: # &meta_parameter_write('answerdate','date_start','', 231: # 'Show Answer Date'). 232: # &meta_parameter_write('weight','int_zeropos','', 233: # 'Available Points'). 234: # &meta_parameter_write('maxtries','int_pos','', 235: # 'Maximum Number of Tries'). 236: &meta_package_write('part'). 237: &meta_stores_write('solved','string', 238: 'Problem Status'). 239: &meta_stores_write('tries','int_zeropos', 240: 'Number of Attempts'). 241: &meta_stores_write('awarded','float', 242: 'Partial Credit Factor'); 243: # 244: # Note: responseid-specific data 'submission' and 'awarddetail' 245: # not available to spreadsheet -> skip here 246: # 247: } 248: 249: sub meta_part_order { 250: if (@Apache::inputtags::partlist) { 251: my @parts=@Apache::inputtags::partlist; 252: shift(@parts); 253: return '<partorder>'.join(',',@parts).'</partorder>'."\n"; 254: } else { 255: return '<partorder>0</partorder>'."\n"; 256: } 257: } 258: 259: sub meta_response_order { 260: if (@Apache::inputtags::responselist) { 261: return '<responseorder>'.join(',',@Apache::inputtags::responselist). 262: '</responseorder>'."\n"; 263: } 264: } 265: 266: sub check_for_previous { 267: my ($curresponse,$partid,$id) = @_; 268: my %previous; 269: $previous{'used'} = 0; 270: foreach my $key (sort(keys(%Apache::lonhomework::history))) { 271: if ($key =~ /resource\.$partid\.$id\.submission$/) { 272: &Apache::lonxml::debug("Trying $key"); 273: my $pastresponse=$Apache::lonhomework::history{$key}; 274: if ($pastresponse eq $curresponse) { 275: $previous{'used'} = 1; 276: my $history; 277: if ( $key =~ /^(\d+):/ ) { 278: $history=$1; 279: $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"}; 280: $previous{'last'}='0'; 281: push(@{ $previous{'version'} },$history); 282: } else { 283: $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"}; 284: $previous{'last'}='1'; 285: } 286: if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; } 287: &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:"); 288: } 289: } 290: } 291: &Apache::lonhomework::showhash(%previous); 292: return %previous; 293: } 294: 295: sub handle_previous { 296: my ($previous,$ad)=@_; 297: if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) { 298: if ($$previous{'last'}) { 299: push(@Apache::inputtags::previous,'PREVIOUSLY_LAST'); 300: push(@Apache::inputtags::previous_version,$$previous{'version'}); 301: } elsif ($Apache::lonhomework::type ne 'survey') { 302: push(@Apache::inputtags::previous,'PREVIOUSLY_USED'); 303: push(@Apache::inputtags::previous_version,$$previous{'version'}); 304: } 305: } 306: } 307: 308: sub view_or_modify { 309: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); 310: my $myself=0; 311: if ( ($name eq $env{'user.name'}) && ($domain eq $env{'user.domain'}) ) { 312: $myself=1; 313: } 314: my $vgr=&Apache::lonnet::allowed('vgr',$courseid); 315: my $mgr=&Apache::lonnet::allowed('vgr',$courseid); 316: if ($mgr) { return "M"; } 317: if ($vgr) { return "V"; } 318: if ($myself) { return "V"; } 319: return ''; 320: } 321: 322: sub start_dataresponse { 323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 324: my $id = &Apache::response::start_response($parstack,$safeeval); 325: my $result; 326: if ($target eq 'web') { 327: $result = $token->[2]->{'display'}.':'; 328: } elsif ($target eq 'meta') { 329: $result = &Apache::response::meta_stores_write($token->[2]->{'name'}, 330: $token->[2]->{'type'}, 331: $token->[2]->{'display'}); 332: $result .= &Apache::response::meta_package_write('dataresponse'); 333: } 334: return $result; 335: } 336: 337: sub end_dataresponse { 338: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 339: my $result; 340: if ( $target eq 'web' ) { 341: } elsif ($target eq 'grade' ) { 342: if ( defined $env{'form.submitted'}) { 343: my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser(); 344: my $allowed=&Apache::lonnet::allowed('mgr',$courseid); 345: if ($allowed) { 346: &Apache::response::setup_params('dataresponse',$safeeval); 347: my $partid = $Apache::inputtags::part; 348: my $id = $Apache::inputtags::response['-1']; 349: my $response = $env{'form.HWVAL_'.$id}; 350: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 351: if ( $response =~ /[^\s]/) { 352: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response; 353: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; 354: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED'; 355: } 356: } else { 357: $result='Not Permitted to change values.' 358: } 359: } 360: } 361: &Apache::response::end_response; 362: return $result; 363: } 364: 365: sub start_customresponse { 366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 367: my $id = &Apache::response::start_response($parstack,$safeeval); 368: push(@Apache::lonxml::namespace,'customresponse'); 369: my $result; 370: undef($Apache::response::custom_answer); 371: &Apache::lonxml::register('Apache::response',('answer')); 372: if ($target eq 'web') { 373: if ( &Apache::response::show_answer() ) { 374: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 375: $safeeval); 376: $Apache::inputtags::answertxt{$id}=$answer; 377: } 378: } elsif ($target eq 'edit') { 379: $result.=&Apache::edit::tag_start($target,$token); 380: $result.=&Apache::edit::text_arg('String to display for answer:', 381: 'answerdisplay',$token); 382: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 383: } elsif ($target eq 'modified') { 384: my $constructtag; 385: $constructtag=&Apache::edit::get_new_args($token,$parstack, 386: $safeeval,'answerdisplay'); 387: if ($constructtag) { 388: $result = &Apache::edit::rebuild_tag($token); 389: $result.=&Apache::edit::handle_insert(); 390: } 391: } elsif ($target eq 'answer' || $target eq 'grade') { 392: &Apache::response::reset_params(); 393: } elsif ($target eq 'meta') { 394: $result .= &Apache::response::meta_package_write('customresponse'); 395: } 396: return $result; 397: } 398: 399: sub end_customresponse { 400: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 401: my $result; 402: my $part=$Apache::inputtags::part; 403: my $id=$Apache::inputtags::response[-1]; 404: if ( $target eq 'grade' && &Apache::response::submitted() ) { 405: my $response = &Apache::response::getresponse(); 406: if ( $response =~ /[^\s]/ && 407: $Apache::response::custom_answer_type eq 'loncapa/perl') { 408: if (!$Apache::lonxml::default_homework_loaded) { 409: &Apache::lonxml::default_homework_load($safeeval); 410: } 411: my %previous = &Apache::response::check_for_previous($response, 412: $part,$id); 413: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 414: $response; 415: my $error; 416: ${$safeeval->varglob('LONCAPA::customresponse_submission')}= 417: $response; 418: 419: my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval); 420: if (!&Apache::inputtags::valid_award($award)) { 421: $error = $award; 422: $award = 'ERROR'; 423: } 424: &Apache::response::handle_previous(\%previous,$award); 425: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 426: $award; 427: if ($error) { 428: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 429: $error; 430: } 431: } 432: } 433: pop(@Apache::lonxml::namespace); 434: &Apache::lonxml::deregister('Apache::response',('answer')); 435: &Apache::response::end_response(); 436: return $result; 437: } 438: 439: 440: sub start_mathresponse { 441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 442: my $id = &Apache::response::start_response($parstack,$safeeval); 443: push(@Apache::lonxml::namespace,'mathresponse'); 444: my $result; 445: undef($Apache::response::custom_answer); 446: &Apache::lonxml::register('Apache::response',('answer')); 447: if ($target eq 'web') { 448: if ( &Apache::response::show_answer() ) { 449: my $answer = &Apache::lonxml::get_param('answerdisplay',$parstack, 450: $safeeval); 451: $Apache::inputtags::answertxt{$id}=$answer; 452: } 453: } elsif ($target eq 'edit') { 454: $result.=&Apache::edit::tag_start($target,$token); 455: $result.=&Apache::edit::text_arg('String to display for answer:', 456: 'answerdisplay',$token); 457: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 458: } elsif ($target eq 'modified') { 459: my $constructtag; 460: $constructtag=&Apache::edit::get_new_args($token,$parstack, 461: $safeeval,'answerdisplay'); 462: if ($constructtag) { 463: $result = &Apache::edit::rebuild_tag($token); 464: $result.=&Apache::edit::handle_insert(); 465: } 466: } elsif ($target eq 'answer' || $target eq 'grade') { 467: &Apache::response::reset_params(); 468: } elsif ($target eq 'meta') { 469: $result .= &Apache::response::meta_package_write('mathresponse'); 470: } 471: return $result; 472: } 473: 474: sub end_mathresponse { 475: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 476: my $result; 477: my $part=$Apache::inputtags::part; 478: my $id=$Apache::inputtags::response[-1]; 479: if ( $target eq 'grade' && &Apache::response::submitted() ) { 480: my $response = &Apache::response::getresponse(); 481: if ( $response =~ /[^\s]/ && 482: $Apache::response::custom_answer_type eq 'loncapa/perl') { 483: if (!$Apache::lonxml::default_homework_loaded) { 484: &Apache::lonxml::default_homework_load($safeeval); 485: } 486: my %previous = &Apache::response::check_for_previous($response, 487: $part,$id); 488: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 489: $response; 490: my $error; 491: ${$safeeval->varglob('LONCAPA::mathresponse_submission')}= 492: $response; 493: 494: my $award = &Apache::run::run('{ my $submission=$LONCAPA::mathresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval); 495: if (!&Apache::inputtags::valid_award($award)) { 496: $error = $award; 497: $award = 'ERROR'; 498: } 499: &Apache::response::handle_previous(\%previous,$award); 500: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 501: $award; 502: if ($error) { 503: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}= 504: $error; 505: } 506: } 507: } 508: pop(@Apache::lonxml::namespace); 509: &Apache::lonxml::deregister('Apache::response',('answer')); 510: &Apache::response::end_response(); 511: return $result; 512: } 513: 514: 515: sub start_answer { 516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 517: my $result; 518: $Apache::response::custom_answer= 519: &Apache::lonxml::get_all_text_unbalanced("/answer",$parser); 520: $Apache::response::custom_answer_type= 521: lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)); 522: $Apache::response::custom_answer_type =~ s/\s+//g; 523: if ($target eq "edit" ) { 524: $result=&Apache::edit::tag_start($target,$token,'Answer algorithm'); 525: $result.=&Apache::edit::editfield($token->[1], 526: $Apache::response::custom_answer, 527: '',80,4); 528: } elsif ( $target eq "modified" ) { 529: $result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser); 530: } 531: return $result; 532: } 533: 534: sub end_answer { 535: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 536: if ($target eq 'edit' ) { 537: return &Apache::edit::end_table(); 538: } 539: } 540: 541: sub decide_package { 542: my ($tagstack)=@_; 543: my $package; 544: if ($$tagstack[-1] eq 'parameter') { 545: $package='part'; 546: } else { 547: my $i=-1; 548: while (defined($$tagstack[$i])) { 549: if ($$tagstack[$i] =~ /(response|hint)$/) { 550: $package=$$tagstack[$i]; 551: last; 552: } 553: $i--; 554: } 555: } 556: return $package; 557: } 558: 559: sub start_responseparam { 560: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 561: my $result=''; 562: if ($target eq 'meta') { 563: $result = &meta_parameter_write($token->[2]->{'name'}, 564: $token->[2]->{'type'}, 565: $token->[2]->{'default'}, 566: $token->[2]->{'description'}); 567: } elsif ($target eq 'edit') { 568: $result.=&Apache::edit::tag_start($target,$token); 569: my $optionlist; 570: my $package=&decide_package($tagstack); 571: foreach my $key (sort(keys(%Apache::lonnet::packagetab))) { 572: if ($key =~ /^\Q$package\E&(.*)&display$/) { 573: $optionlist.='<option value="'.$1.'">'. 574: $Apache::lonnet::packagetab{$key}.'</option>'; 575: } 576: } 577: if (defined($optionlist)) { 578: $result.='Use template: <select name="'. 579: &Apache::edit::html_element_name('parameter_package').'">'. 580: '<option value=""></option>'.$optionlist.'</select><br />'; 581: } 582: $result.=&Apache::edit::text_arg('Name:','name',$token). 583: &Apache::edit::text_arg('Type:','type',$token). 584: &Apache::edit::text_arg('Description:','description',$token). 585: &Apache::edit::text_arg('Default:','default',$token). 586: "</td></tr>"; 587: $result.=&Apache::edit::end_table; 588: } elsif ($target eq 'modified') { 589: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 590: $safeeval,'name','type', 591: 'description','default'); 592: my $element=&Apache::edit::html_element_name('parameter_package'); 593: if (defined($env{"form.$element"}) && $env{"form.$element"} ne '') { 594: my $name=$env{"form.$element"}; 595: my $tag=&decide_package($tagstack); 596: $token->[2]->{'name'}=$name; 597: $token->[2]->{'type'}= 598: $Apache::lonnet::packagetab{"$tag&$name&type"}; 599: $token->[2]->{'description'}= 600: $Apache::lonnet::packagetab{"$tag&$name&display"}; 601: $token->[2]->{'default'}= 602: $Apache::lonnet::packagetab{"$tag&$name&default"}; 603: $constructtag=1; 604: } 605: if ($constructtag) { 606: $result = &Apache::edit::rebuild_tag($token); 607: $result.=&Apache::edit::handle_insert(); 608: } 609: } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' || 610: $target eq 'tex' || $target eq 'analyze' ) { 611: if ($env{'request.state'} eq 'construct') { 612: my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval); 613: my $default=&Apache::lonxml::get_param('default',$parstack, 614: $safeeval); 615: if ($name) {$Apache::inputtags::params{$name}=$default;} 616: } 617: } 618: return $result; 619: } 620: 621: sub end_responseparam { 622: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 623: if ($target eq 'edit') { return ('','no'); } 624: return ''; 625: } 626: 627: sub start_parameter { 628: return &start_responseparam(@_); 629: } 630: 631: sub end_parameter { 632: return &end_responseparam(@_); 633: } 634: 635: sub reset_params { 636: %Apache::inputtags::params=(); 637: } 638: 639: sub setup_params { 640: my ($tag,$safeeval) = @_; 641: 642: if ($env{'request.state'} eq 'construct') { return; } 643: my %paramlist=(); 644: foreach my $key (keys(%Apache::lonnet::packagetab)) { 645: if ($key =~ /^$tag/) { 646: my ($package,$name) = split(/&/,$key); 647: $paramlist{$name}=1; 648: } 649: } 650: foreach my $key (keys(%paramlist)) { 651: my $entry= 'resource.'.$Apache::inputtags::part; 652: if (defined($Apache::inputtags::response[-1])) { 653: $entry.='_'.$Apache::inputtags::response[-1]; 654: } 655: $entry.='.'.$key; 656: &Apache::lonxml::debug("looking for $entry"); 657: my $value = &Apache::lonnet::EXT("$entry"); 658: &Apache::lonxml::debug("$key has value :$value:"); 659: if ($value eq 'con_lost' || $value =~ /^error:/) { 660: &Apache::lonxml::debug("using nothing"); 661: $Apache::inputtags::params{$key}=''; 662: } else { 663: my $string="{return qq\0".$value."\0}"; 664: my $newvalue=&Apache::run::run($string,$safeeval,1); 665: if (defined($newvalue)) { $value=$newvalue; } 666: $Apache::inputtags::params{$key}=$value; 667: } 668: } 669: } 670: 671: { 672: my @answer_bits; 673: 674: sub answer_header { 675: my ($type,$increment) = @_; 676: my $result; 677: if ($env{'form.answer_output_mode'} eq 'tex') { 678: undef(@answer_bits); 679: my $bit; 680: if ($Apache::lonhomework::type eq 'exam') { 681: $bit = ($Apache::lonxml::counter+$increment).') '; 682: } else { 683: $bit .= ' Answer for Part: \verb|'. 684: $Apache::inputtags::part.'| '; 685: } 686: push(@answer_bits,$bit); 687: } else { 688: $result = '<table border="1"><tr>'; 689: if ($Apache::lonhomework::type eq 'exam') { 690: $result .= '<td>'.($Apache::lonxml::counter+$increment). ')</td>'; 691: } else { 692: $result .= '<td>Answer for Part:'.$Apache::inputtags::part.'</td>'; 693: } 694: $result .= "\n"; 695: } 696: return $result; 697: } 698: 699: sub answer_part { 700: my ($type,$answer) = @_; 701: my $result; 702: if ($env{'form.answer_output_mode'} eq 'tex') { 703: my $to_use='|'; 704: foreach my $value (32..126) { 705: my $char=pack('c',$value); 706: if ($answer !~ /\Q$char\E/) { 707: $to_use=$char; 708: last; 709: } 710: } 711: if ($answer ne '') { 712: push(@answer_bits,'\verb'.$to_use.$answer.$to_use); 713: } 714: } else { 715: $result = '<td>'.$answer.'</td>'; 716: } 717: return $result; 718: } 719: 720: sub answer_footer { 721: my ($type) = @_; 722: my $result; 723: if ($env{'form.answer_output_mode'} eq 'tex') { 724: my $columns = scalar(@answer_bits); 725: $result = ' \vskip 0 mm \noindent \begin{tabular}{|'.'c|'x$columns.'}\hline '; 726: $result .= join(' & ',@answer_bits); 727: $result .= ' \\\\ \\hline \end{tabular} \vskip 0 mm '; 728: } else { 729: $result = '</tr></table>'; 730: } 731: return $result; 732: } 733: 734: } 735: 736: sub showallfoils { 737: if (defined($env{'form.showallfoils'})) { 738: my ($symb)=&Apache::lonxml::whichuser(); 739: if (($env{'request.state'} eq 'construct') || 740: ($env{'user.adv'} && $symb eq '') || 741: ($Apache::lonhomework::viewgrades) ) { 742: return 1; 743: } 744: } 745: if ($Apache::lonhomework::type eq 'survey') { return 1; } 746: return 0; 747: } 748: 749: sub getresponse { 750: my ($temp,$resulttype)=@_; 751: my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1']; 752: my $response; 753: if (!defined($temp)) { 754: $temp=1; 755: } else { 756: $formparm.=":$temp"; 757: } 758: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7, 759: 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14, 760: 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21, 761: 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25); 762: if ($env{'form.submitted'} eq 'scantron') { 763: my $part = $Apache::inputtags::part; 764: my $id = $Apache::inputtags::response[-1]; 765: $response = $env{'scantron.'.($Apache::lonxml::counter+$temp-1). 766: '.answer'}; 767: # save bubbled letter for later 768: $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= 769: $response; 770: if ($resulttype ne 'letter') { 771: if ($resulttype eq 'A is 1') { 772: $response = $let_to_num{$response}+1; 773: } else { 774: $response = $let_to_num{$response}; 775: } 776: } 777: } else { 778: $response = $env{$formparm}; 779: } 780: return $response; 781: } 782: 783: sub repetition { 784: my $id = $Apache::inputtags::part; 785: my $weight = &Apache::lonnet::EXT("resource.$id.weight"); 786: if (!defined($weight) || ($weight eq '')) { $weight=1; } 787: my $repetition = int($weight/10); 788: if ($weight % 10 != 0) { $repetition++; } 789: return $repetition; 790: } 791: 792: sub scored_response { 793: my ($part,$id)=@_; 794: my $repetition=&repetition(); 795: my $score=0; 796: for (my $i=0;$i<$repetition;$i++) { 797: # A is 1, B is 2, etc. (get response return 0-9 and then we add 1) 798: my $increase=&Apache::response::getresponse($i+1); 799: if ($increase ne '') { $score+=$increase+1; } 800: } 801: my $weight = &Apache::lonnet::EXT("resource.$part.weight"); 802: if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } 803: my $pcr=$score/$weight; 804: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr; 805: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 806: 'ASSIGNED_SCORE'; 807: return $repetition; 808: } 809: 810: sub whichorder { 811: my ($max,$randomize,$showall,$hash)=@_; 812: #&Apache::lonxml::debug("man $max randomize $randomize"); 813: if (!defined(@{ $$hash{'names'} })) { return; } 814: my @names = @{ $$hash{'names'} }; 815: my @whichopt =(); 816: my (%top,@toplist,%bottom,@bottomlist); 817: if (!($showall || ($randomize eq 'no'))) { 818: my $current=0; 819: foreach my $name (@names) { 820: $current++; 821: if ($$hash{"$name.location"} eq 'top') { 822: $top{$name}=$current; 823: } elsif ($$hash{"$name.location"} eq 'bottom') { 824: $bottom{$name}=$current; 825: } 826: } 827: } 828: my $topcount=0; 829: my $bottomcount=0; 830: while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall) 831: && ($#names > -1)) { 832: #&Apache::lonxml::debug("Have $#whichopt max is $max"); 833: my $aopt; 834: if ($showall || ($randomize eq 'no')) { 835: $aopt=0; 836: } else { 837: $aopt=int(&Math::Random::random_uniform() * ($#names+1)); 838: } 839: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt"); 840: $aopt=splice(@names,$aopt,1); 841: #&Apache::lonxml::debug("Picked $aopt"); 842: if ($top{$aopt}) { 843: $toplist[$top{$aopt}]=$aopt; 844: $topcount++; 845: } elsif ($bottom{$aopt}) { 846: $bottomlist[$bottom{$aopt}]=$aopt; 847: $bottomcount++; 848: } else { 849: push (@whichopt,$aopt); 850: } 851: } 852: for (my $i=0;$i<=$#toplist;$i++) { 853: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) } 854: } 855: for (my $i=0;$i<=$#bottomlist;$i++) { 856: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) } 857: } 858: return @whichopt; 859: } 860: 861: sub show_answer { 862: my $part = $Apache::inputtags::part; 863: my $award = $Apache::lonhomework::history{"resource.$part.solved"}; 864: my $status = $Apache::inputtags::status[-1]; 865: return ( ($award =~ /^correct/ 866: && lc($Apache::lonhomework::problemstatus) ne 'no') 867: || $status eq "SHOW_ANSWER"); 868: } 869: 870: sub analyze_store_foilgroup { 871: my ($shown,$attrs)=@_; 872: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 873: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) { 874: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; } 875: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name); 876: foreach my $attr (@$attrs) { 877: $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} = 878: $Apache::response::foilgroup{"$name.".$attr}; 879: } 880: } 881: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown }); 882: } 883: 884: sub check_if_computed { 885: my ($token,$parstack,$safeeval,$name)=@_; 886: my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval); 887: if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) { 888: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 889: $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1; 890: } 891: } 892: 893: sub pick_foil_for_concept { 894: my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; 895: if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; } 896: my @names = @{ $Apache::response::conceptgroup{'names'} }; 897: my $pick=int(&Math::Random::random_uniform() * ($#names+1)); 898: my $name=$names[$pick]; 899: push @{ $Apache::response::foilgroup{'names'} }, $name; 900: foreach my $attr (@$attrs) { 901: $Apache::response::foilgroup{"$name.".$attr} = 902: $Apache::response::conceptgroup{"$name.".$attr}; 903: } 904: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); 905: $Apache::response::foilgroup{"$name.concept"} = $concept; 906: &Apache::lonxml::debug("Selecting $name in $concept"); 907: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 908: if ($target eq 'analyze') { 909: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} }, 910: $concept); 911: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}= 912: $Apache::response::conceptgroup{'names'}; 913: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) { 914: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} }, 915: $name); 916: foreach my $attr (@$attrs) { 917: $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}= 918: $Apache::response::conceptgroup{"$name.$attr"}; 919: } 920: } 921: } 922: push(@{ $hinthash->{"$part_id.concepts"} },$concept); 923: $hinthash->{"$part_id.concept.$concept"}= 924: $Apache::response::conceptgroup{'names'}; 925: 926: } 927: 928: sub get_response_param { 929: my ($id,$name,$default)=@_; 930: my $parameter; 931: if ($env{'request.state'} eq 'construct' && 932: defined($Apache::inputtags::params{$name})) { 933: $parameter=$Apache::inputtags::params{$name}; 934: } else { 935: $parameter=&Apache::lonnet::EXT("resource.$id.$name"); 936: } 937: if (!defined($parameter) || $parameter eq '') { 938: $parameter = $default; 939: } 940: return $parameter; 941: } 942: 943: sub submitted { 944: my ($who)=@_; 945: 946: # when scatron grading any submission is a submission 947: if ($env{'form.submitted'} eq 'scantron') { return 1; } 948: # if the caller only cared if this was a scantron submission 949: if ($who eq 'scantron') { return 0; } 950: # if the Submit Answer button for this particular part was pressed 951: my $partid=$Apache::inputtags::part; 952: if (defined($env{'form.submit_'.$partid})) { return 1; } 953: # Submit All button on a .page was pressed 954: if (defined($env{'form.all_submit'})) { return 1; } 955: # otherwise no submission occured 956: return 0; 957: } 958: 959: sub add_to_gradingqueue { 960: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); 961: if ( $courseid eq '' 962: || $symb eq '' 963: || $env{'request.state'} eq 'construct' 964: || $Apache::lonhomework::type ne 'problem') { 965: return; 966: } 967: 968: my %queue_info = ( 'type' => 'problem', 969: 'time' => time); 970: 971: if (exists($Apache::lonhomework::history{"resource.0.checkedin.slot"})) { 972: $queue_info{'slot'}= 973: $Apache::lonhomework::history{"resource.0.checkedin.slot"}; 974: } 975: 976: my $result=&Apache::bridgetask::add_to_queue('gradingqueue',\%queue_info); 977: if ($result ne 'ok') { 978: &Apache::lonxml::error("add_to_queue said $result"); 979: } 980: } 981: 982: # basically undef and 0 (both false) mean that they still have work to do 983: # and all true values mean that they can't do any more work 984: # 985: # a return of undef means it is unattempted 986: # a return of 0 means it is attmpted and wrong but still has tries 987: # a return of 1 means it is marked correct 988: # a return of 2 means they have exceed maximum number of tries 989: # a return of 3 means it after the answer date 990: sub check_status { 991: my ($id)=@_; 992: if (!defined($id)) { $id=$Apache::inputtags::part; } 993: my $curtime=&Apache::lonnet::EXT('system.time'); 994: my $opendate=&Apache::lonnet::EXT("resource.$id.opendate"); 995: my $duedate=&Apache::lonnet::EXT("resource.$id.duedate"); 996: my $answerdate=&Apache::lonnet::EXT("resource.$id.answerdate"); 997: if ( $opendate && $curtime > $opendate && 998: $duedate && $curtime > $duedate && 999: $answerdate && $curtime > $answerdate) { 1000: return 3; 1001: } 1002: my $status=&Apache::lonnet::EXT("user.resource.resource.$id.solved"); 1003: if ($status =~ /^correct/) { return 1; } 1004: if (!$status) { return undef; } 1005: my $maxtries=&Apache::lonnet::EXT("resource.$id.maxtries"); 1006: if ($maxtries eq '') { $maxtries=2; } 1007: my $curtries=&Apache::lonnet::EXT("user.resource.resource.$id.tries"); 1008: if ($curtries < $maxtries) { return 0; } 1009: return 2; 1010: } 1011: 1012: 1; 1013: __END__ 1014: