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- grding code written not yet tested though
1: # The LearningOnline Network with CAPA 2: # definition of tags that give a structure to a document 3: # 4: # $Id: bridgetask.pm,v 1.20 2005/05/10 16:03:44 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: 30: 31: package Apache::bridgetask; 32: 33: use strict; 34: use Apache::lonnet; 35: use Apache::File(); 36: use Apache::lonmenu; 37: use Apache::lonlocal; 38: use Apache::lonxml; 39: use Time::HiRes qw( gettimeofday tv_interval ); 40: 41: BEGIN { 42: &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph')); 43: } 44: 45: sub initialize_bridgetask { 46: # id of current Dimension, 0 means that no dimension is current 47: # (inside <Task> only) 48: $Apache::bridgetask::dimension=''; 49: # list of all Dimension ids seen 50: @Apache::bridgetask::dimensionlist=(); 51: # mandatory attribute of all Dimensions seen 52: %Apache::bridgetask::dimensionmandatory=(); 53: # list of all current Instance ids 54: @Apache::bridgetask::instance=(); 55: # list of all Instance ids seen in this problem 56: @Apache::bridgetask::instancelist=(); 57: # key of queud user data that we are currently grading 58: $Apache::bridgetask::queue_key=''; 59: } 60: 61: sub proctor_check_auth { 62: my ($slot)=@_; 63: my $user=$env{'form.proctorname'}; 64: my $domain=$env{'form.proctordomain'}; 65: 66: my @allowed=split(",",$slot->{'proctor'}); 67: foreach my $possible (@allowed) { 68: my ($puser,$pdom)=(split('@',$possible)); 69: if ($puser eq $user && $pdom eq $domain) { 70: my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom); 71: if ($authhost ne 'no_host') { 72: $Apache::lonhomework::results{'resource.checkedin'}= 73: $user.'@'.$domain; 74: return 1; 75: } 76: } 77: } 78: return 0; 79: } 80: 81: sub add_previous_version_button { 82: my $result; 83: $result.=&mt(' Show a previously done version: [_1]','<select name="previousversion"> 84: <option>Pick one</option> 85: </select>'); 86: return $result; 87: } 88: 89: sub add_grading_button { 90: my $result; 91: $result.=' <input type="submit" name="gradeasubmission" value="'. 92: &mt("Get a submission to grade").'" />'; 93: $result.='<input type="hidden" name="grade_target" value="webgrade" />'; 94: return $result; 95: } 96: 97: sub start_Task { 98: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 99: 100: my ($status,$accessmsg,$slot); 101: if ($target ne 'webgrade') { 102: &Apache::structuretags::initialize_storage(); 103: &Apache::lonhomework::showhash(%Apache::lonhomework::history); 104: } 105: 106: $Apache::lonhomework::parsing_a_task=1; 107: #should get back a <html> or the neccesary stuff to start XML/MathML 108: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)= 109: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval); 110: 111: if ($target eq 'web') { 112: $body_tag_start.=&add_previous_version_button(); 113: if ($Apache::lonhomework::modifygrades) { 114: $body_tag_start.='<form name="gradesubmission" method="POST" action="'; 115: my $uri=$env{'request.uri'}; 116: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); } 117: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>"; 118: } 119: } 120: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || 121: $target eq 'tex') { 122: ($status,$accessmsg,my $slot_name,$slot) = 123: &Apache::lonhomework::check_task_access('0'); 124: push(@Apache::inputtags::status,$status); 125: $Apache::inputtags::slot_name=$slot_name; 126: my $expression='$external::datestatus="'.$status.'";'; 127: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";'; 128: &Apache::run::run($expression,$safeeval); 129: &Apache::lonxml::debug("Got $status"); 130: if (( $status eq 'CLOSED' ) || 131: ( $status eq 'BANNED') || 132: ( $status eq 'UNAVAILABLE') || 133: ( $status eq 'NOT_IN_A_SLOT') || 134: ( $status eq 'NEEDS_CHECKIN') || 135: ( $status eq 'INVALID_ACCESS')) { 136: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser); 137: if ( $target eq "web" ) { 138: $result.= $head_tag_start.'</head>'.$body_tag_start; 139: my $msg; 140: if ($status eq 'UNAVAILABLE') { 141: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>'; 142: } elsif ($status eq 'NOT_IN_A_SLOT') { 143: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>'; 144: } elsif ($status eq 'NEEDS_CHECKIN') { 145: $msg.='<h1>'.&mt('You need the Proctor to validate you.'). 146: '</h1>'.&proctor_validation_screen($slot); 147: } elsif ($status ne 'NOT_YET_VIEWED') { 148: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>'; 149: } 150: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') { 151: $msg.='The problem '.$accessmsg; 152: } 153: $result.=$msg.'<br />'; 154: } elsif ($target eq 'tex') { 155: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm'; 156: if ($status eq 'UNAVAILABLE') { 157: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm '; 158: } else { 159: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm "; 160: } 161: } elsif ($target eq 'grade') { 162: if ($status eq 'NEEDS_CHECKIN') { 163: if (&proctor_check_auth($slot)) { 164: #FIXME immeadiatly add this to the grading queue 165: # with slot->{'endtime'} for when grading can 166: # begin on this resource 167: } 168: } 169: } 170: } elsif ($target eq 'web') { 171: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval); 172: $result.="$head_tag_start<title>$name</title></head> 173: $body_tag_start \n $form_tag_start". 174: '<input type="hidden" name="submitted" value="yes" />'; 175: # if we are viewing someone else preserve that info 176: if (defined $env{'form.grade_symb'}) { 177: foreach my $field ('symb','courseid','domain','username') { 178: $result .= '<input type="hidden" name="grade_'.$field. 179: '" value="'.$env{"form.grade_$field"}.'" />'."\n"; 180: } 181: } 182: } 183: } elsif ($target eq 'webgrade') { 184: $result.=$head_tag_start.$body_tag_start.$form_tag_start; 185: $result.='<input type="hidden" name="webgrade" value="yes" />'; 186: $result.=&show_queue(); 187: my $todo=&get_from_queue(); 188: if ($todo) { 189: &setup_env_for_other_user($todo,$safeeval); 190: my ($symb,$uname,$udom)=&decode_queue_key($todo); 191: $result.="\n".'<table><tr><td>Found '. 192: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>'; 193: $result.='<input type="hidden" name="gradingkey" value="'. 194: &Apache::lonnet::escape($todo).'" />'; 195: $Apache::bridgetask::queue_key=$todo; 196: &Apache::structuretags::initialize_storage(); 197: &Apache::lonhomework::showhash(%Apache::lonhomework::history); 198: $result.="\n".'<table width="100%" style="width:100%" border="1">'; 199: } else { 200: $result.="\n". 201: '<table><tr><td>No user to be graded.</td></tr></table>'; 202: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser); 203: } 204: 205: } else { 206: # page_start returned a starting result, delete it if we don't need it 207: $result = ''; 208: } 209: return $result; 210: } 211: 212: sub end_Task { 213: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 214: my $result=''; 215: my $status=$Apache::inputtags::status['-1']; 216: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 217: $target eq 'tex') { 218: if ( 219: (($target eq 'web') && ($env{'request.state'} ne 'construct')) || 220: ($target eq 'answer') || ($target eq 'tex') 221: ) { 222: if ($target eq 'web') { 223: if ($status eq 'CAN_ANSWER') { 224: $result.="\n".'<table border="1">'. 225: &Apache::inputtags::file_selector('0',"bridgetask","*", 226: 'portfolioonly'). 227: "</table>"; 228: $result.=&Apache::inputtags::gradestatus('0'); 229: } 230: } 231: if ($target eq 'web' || $target eq 'webgrade') { 232: $result.=&Apache::lonxml::xmlend().'</html>'; 233: } 234: } 235: if ($target eq 'grade' && !$env{'form.webgrade'}) { 236: my $award='SUBMITTED'; 237: &Apache::essayresponse::file_submission('0','bridgetask', 238: 'portfiles',\$award); 239: if ($award eq 'SUBMITTED' && 240: $Apache::lonhomework::results{"resource.0.bridgetask.portfiles"}) { 241: $Apache::lonhomework::results{"resource.0.tries"}= 242: 1+$Apache::lonhomework::history{"resource.0.tries"}; 243: } 244: $Apache::lonhomework::results{"resource.0.award"}=$award; 245: &Apache::lonhomework::showhash(%Apache::lonhomework::results); 246: &Apache::structuretags::finalize_storage(); 247: if ($award eq 'SUBMITTED') { 248: &add_to_queue(); 249: } 250: } 251: if ($target eq 'grade' && $env{'form.webgrade'}) { 252: my $optional_required= 253: &Apache::lonxml::get_param('OptionalRequired',$parstack, 254: $safeeval); 255: my $optional_passed=0; 256: my $mandatory_failed=0; 257: my $ungraded=0; 258: my $review=0; 259: foreach my $dim_id (@Apache::bridgetask::dimensionlist) { 260: my $status= 261: $Apache::lonhomeork::results{"resource.$dim_id.status"}; 262: my $mandatory= 263: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N'); 264: if ($status eq 'pass') { 265: if (!$mandatory) { $optional_passed++; } 266: } elsif ($status eq 'fail') { 267: if ($mandatory) { $mandatory_failed++; } 268: } elsif ($status eq 'ungraded') { 269: $ungraded++; 270: } elsif ($status eq 'review') { 271: $review++; 272: } 273: } 274: if ($optional_passed < $optional_required) { 275: $mandatory_failed++; 276: } 277: $Apache::lonhomeork::results{'resource.grader'}= 278: $env{'user.name'}.'@'.$env{'user.domain'}; 279: if ($review) { 280: $Apache::lonhomeork::results{'resource.status'}='review'; 281: &move_to_review_queue(); 282: } elsif ($ungraded) { 283: $Apache::lonhomeork::results{'resource.status'}='ungraded'; 284: &check_queue_unlock(); 285: } elsif ($mandatory_failed) { 286: $Apache::lonhomeork::results{'resource.status'}='fail'; 287: $Apache::lonhomework::results{"resource.0.award"}='EXACT_ANS'; 288: &remove_from_queue(); 289: } else { 290: $Apache::lonhomeork::results{'resource.status'}='pass'; 291: $Apache::lonhomework::results{"resource.0.award"}='INCORRECT'; 292: &remove_from_queue(); 293: } 294: } 295: } elsif ($target eq 'webgrade') { 296: $result.="</table>\n<hr />"; 297: #$result.='<input type="submit" name="next" value="'. 298: # &mt('Save & Next').'" /> '; 299: #$result.='<input type="submit" name="end" value="'. 300: # &mt('Save & Stop Grading').'" /> '; 301: #$result.='<input type="submit" name="throwaway" value="'. 302: # &mt('Throw Away & Stop Grading').'" /> '; 303: #$result.='<input type="submit" name="save" value="'. 304: # &mt('Save Partial Grade and Continue Grading').'" /> '; 305: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>'; 306: } elsif ($target eq 'meta') { 307: $result.='<parameter part="0" package="Task"></parameter>'."\n"; 308: #$result.=&Apache::response::meta_part_order(); 309: #$result.=&Apache::response::meta_response_order(); 310: } 311: undef($Apache::lonhomework::parsing_a_task); 312: return $result; 313: } 314: 315: sub setup_env_for_other_user { 316: my ($queue_key,$safeeval)=@_; 317: my ($symb,$uname,$udom)=&decode_queue_key($queue_key); 318: $env{'form.grade_symb'}=$symb; 319: $env{'form.grade_domain'}=$udom; 320: $env{'form.grade_username'}=$uname; 321: $env{'form.grade_courseid'}=$env{'request.course.id'}; 322: &Apache::lonxml::initialize_rndseed($safeeval); 323: } 324: 325: sub add_to_queue { 326: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); 327: my $cnum=$env{'course.'.$cid.'.num'}; 328: my $cdom=$env{'course.'.$cid.'.domain'}; 329: my %data; 330: $data{"$symb\0queue\0$uname\@$udom"}=[$Apache::inputtags::slot_name]; 331: &Apache::lonnet::put('gradingqueue',\%data,$cdom,$cnum); 332: } 333: 334: sub show_queue { 335: my $result; 336: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); 337: my $cnum=$env{'course.'.$cid.'.num'}; 338: my $cdom=$env{'course.'.$cid.'.domain'}; 339: my $regexp="^$symb\0"; 340: my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp); 341: $result.="\n<h3>Current Queue</h3><table><tr><th>resource</th>". 342: "<th>user</th><th>type</th><th>data</th></tr>"; 343: foreach my $key (sort(keys(%queue))) { 344: if ($key=~/locked$/) { 345: my ($symb,$uname,$udom) = &decode_queue_key($key); 346: my $title=&Apache::lonnet::gettitle($symb); 347: $result.="<tr><td>$title</td><td>$uname</td><td>"; 348: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>'; 349: } elsif ($key=~/timestamp$/) { 350: my ($symb,undef) = split("\0",$key); 351: my $title=&Apache::lonnet::gettitle($symb); 352: $result.="<tr><td>$title</td><td></td><td>"; 353: $result.='<td>last queue modification time</td><td>'. 354: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>"; 355: } else { 356: my ($symb,$uname,$udom) = &decode_queue_key($key); 357: my $title=&Apache::lonnet::gettitle($symb); 358: $result.="<tr><td>$title</td><td>$uname</td><td>"; 359: my $slot=$queue{$key}->[0]; 360: my %slot_data=&Apache::lonnet::get_slot($slot); 361: $result.='<td>queue entry</td><td>End time: '. 362: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}). 363: "</td></tr>"; 364: } 365: } 366: $result.="</table><hr />\n"; 367: return $result; 368: } 369: 370: sub decode_queue_key { 371: my ($key)=@_; 372: my ($symb,undef,$user) = split("\0",$key); 373: my ($uname,$udom) = split('@',$user); 374: return ($symb,$uname,$udom); 375: } 376: 377: sub queue_key_locked { 378: my ($key,$cdom,$cnum)=@_; 379: my ($key_locked,$value)= 380: &Apache::lonnet::get('gradingqueue',["$key\0locked"],$cdom,$cnum); 381: if ($key_locked eq "$key\0locked") { 382: return $value; 383: } 384: return undef; 385: } 386: 387: sub pick_from_queue_data { 388: my ($check_section,$queue,$cdom,$cnum)=@_; 389: foreach my $key (keys(%$queue)) { 390: my ($symb,$uname,$udom)=&decode_queue_key($key); 391: if ($check_section) { 392: my $section=&Apache::lonnet::getsection($uname,$udom); 393: if ($section eq $check_section) { 394: &Apache::lonnet::logthis("my sec"); 395: next; 396: } 397: } 398: my $slot=$queue->{$key}[0]; 399: my %slot_data=&Apache::lonnet::get_slot($slot); 400: if ($slot_data{'endtime'} > time) { 401: &Apache::lonnet::logthis("not time"); 402: next; 403: } 404: if (&queue_key_locked($key,$cdom,$cnum)) { 405: &Apache::lonnet::logthis("someone already has um."); 406: next; 407: } 408: return $key; 409: } 410: return undef; 411: } 412: 413: sub find_mid_grade { 414: my ($symb,$cdom,$cnum)=@_; 415: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'}); 416: my $me=$env{'user.name'}.'@'.$env{'user.domain'}; 417: if ($todo) { 418: my $who=&queue_key_locked($todo,$cdom,$cnum); 419: if ($who eq $me) { return $todo; } 420: } 421: my $regexp="^$symb\0.*\0locked\$"; 422: my %locks=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp); 423: foreach my $key (keys(%locks)) { 424: my $who=$locks{$key}; 425: if ($who eq $me) { 426: $todo=$key; 427: $todo=~s/\0locked$//; 428: return $todo; 429: } 430: } 431: return undef; 432: } 433: 434: sub get_from_queue { 435: my $result; 436: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); 437: my $cnum=$env{'course.'.$cid.'.num'}; 438: my $cdom=$env{'course.'.$cid.'.domain'}; 439: my $todo; 440: # FIXME need to find if I am 'mid grading' 441: $todo=&find_mid_grade($symb,$cdom,$cnum); 442: &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo))); 443: if ($todo) { return $todo; } 444: while (1) { 445: my $starttime=time; 446: &Apache::lonnet::put('gradingqueue',{"$symb\0timestamp"=>$starttime}, 447: $cdom,$cnum); 448: &Apache::lonnet::logthis("$starttime"); 449: my $regexp="^$symb\0queue\0"; 450: my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp); 451: #make a pass looking for a user in my section 452: if ($env{'request.course.sec'}) { 453: &Apache::lonnet::logthis("sce"); 454: $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue, 455: $cdom,$cnum); 456: &Apache::lonnet::logthis("sce $todo"); 457: } 458: # no one in our section so look for any user that is ready for grading 459: if (!$todo) { 460: &Apache::lonnet::logthis("no sce"); 461: $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue, 462: $cdom,$cnum); 463: &Apache::lonnet::logthis("no sce $todo"); 464: } 465: # no user to grade 466: if (!$todo) { last; } 467: &Apache::lonnet::logthis("got $todo"); 468: # otherwise found someone so lets try to lock them 469: my $success=&Apache::lonnet::newput('gradingqueue', 470: {"$todo\0locked"=> 471: $env{'user.name'}.'@'.$env{'user.domain'}}, 472: $cdom,$cnum); 473: # someone else already picked them 474: &Apache::lonnet::logthis("success $todo"); 475: if ($success ne 'ok') { next; } 476: my (undef,$endtime)= 477: &Apache::lonnet::get('gradingqueue',["$symb\0timestamp"], 478: $cdom,$cnum); 479: &Apache::lonnet::logthis("emd $endtime"); 480: # someone else already modified the queue, 481: # perhaps our picked user wass already fully graded between 482: # when we picked him and when we locked his record? so lets 483: # double check. 484: if ($endtime != $starttime) { 485: my ($key,$value)= 486: &Apache::lonnet::get('gradingqueue',["$todo"], 487: $cdom,$cnum); 488: &Apache::lonnet::logthis("check $key .. $value"); 489: if ($key eq $todo && ref($value)) { 490: } else { 491: &Apache::lonnet::del('gradingqueue',["$todo\0locked"], 492: $cdom,$cnum); 493: &Apache::lonnet::logthis("del"); 494: next; 495: } 496: } 497: &Apache::lonnet::logthis("last $todo"); 498: last; 499: } 500: return $todo; 501: } 502: 503: sub start_ClosingParagraph { 504: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 505: my $result; 506: if ($target eq 'web') { 507: } elsif ($target eq 'webgrade') { 508: &Apache::lonxml::startredirection(); 509: } 510: return $result; 511: } 512: 513: sub end_ClosingParagraph { 514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 515: my $result; 516: if ($target eq 'web') { 517: } elsif ($target eq 'webgrade') { 518: &Apache::lonxml::endredirection(); 519: } 520: return $result; 521: } 522: 523: sub get_id { 524: my ($parstack,$safeeval)=@_; 525: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval); 526: if (!$id) { $id=$Apache::lonxml::curdepth; } 527: return $id; 528: } 529: 530: my %dimension; 531: sub start_Dimension { 532: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 533: undef(%dimension); 534: my $dim_id=&get_id($parstack,$safeeval); 535: $Apache::bridgetask::dimension=$dim_id; 536: push(@Apache::bridgetask::dimensionlist,$dim_id); 537: undef(@Apache::bridgetask::instance); 538: $Apache::bridgetask::dimensionmandatory{$dim_id}= 539: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval); 540: return ''; 541: } 542: 543: sub get_instance { 544: #FIXME just grabbing the first one for now, need 545: #to randomly pick one until all have been seen 546: #then start repicking 547: &Apache::response::pushrandomnumber(); 548: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}}); 549: return $order[0]; 550: } 551: 552: { 553: my $last_link; 554: sub end_Dimension { 555: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 556: my $result; 557: my $instance=&get_instance(); 558: if ($target eq 'web') { 559: $result=$dimension{'intro'}.$dimension{$instance.'.text'}; 560: } elsif ($target eq 'webgrade') { 561: foreach my $id (@{$dimension{$instance.'.criterias'}}) { 562: my $link='criteria_'.$instance.'_'.$id; 563: my $status=$Apache::lonhomeork::history{'resource.'.$instance.'.'.$id.'.status'}; 564: $result.='<tr><td width="100%" valign="top">'. 565: '<a name="'.$link.'" />'. 566: '<a name="next_'.$last_link.'" />'. 567: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'. 568: #$dimension{$instance.'.criteria.'.$id}. 569: '</td>'. 570: '<td><nobr>Additional Comment for Student</nobr> <br />'. 571: '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomeork::history{'resource.'.$instance.'.'.$id.'.comment'}).'</textarea>'. 572: '</td>'. 573: '<td>'. 574: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>Ungraded</label></nobr><br />'. 575: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />Pass</label><br />'. 576: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />Fail</label><br />'. 577: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />Review</label><br />'. 578: '</td>'. 579: '<td>'. 580: '<a href="#'.$last_link.'">Prev</a><br />'. 581: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'. 582: '<input type="submit" name="next" value="'. 583: &mt('Done').'" /> '. 584: '</td></tr>'; 585: $last_link=$link; 586: } 587: } elsif ($target eq 'grade') { 588: my $optional_passed=0; 589: my $mandatory_failed=0; 590: my $ungraded=0; 591: my $review=0; 592: foreach my $id (@{$dimension{$instance.'.criterias'}}) { 593: my $status=$Apache::lonhomeork::results{'resource.'.$instance.'.'.$id.'.status'}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id}; 594: $Apache::lonhomeork::results{'resource.'.$instance.'.'.$id.'.comment'}=$env{'form.HWVAL_comment_'.$instance.'_'.$id}; 595: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N'); 596: if ($status eq 'pass') { 597: if (!$mandatory) { $optional_passed++; } 598: } elsif ($status eq 'fail') { 599: if ($mandatory) { $mandatory_failed++; } 600: } elsif ($status eq 'ungraded') { 601: $ungraded++; 602: } elsif ($status eq 'review') { 603: $review++; 604: } 605: } 606: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) { 607: $mandatory_failed++; 608: } 609: if ($review) { 610: $Apache::lonhomeork::results{'resource.'.$instance.'.status'}='review'; 611: } elsif ($ungraded) { 612: $Apache::lonhomeork::results{'resource.'.$instance.'.status'}='ungraded'; 613: } elsif ($mandatory_failed) { 614: $Apache::lonhomeork::results{'resource.'.$instance.'.status'}='fail'; 615: } else { 616: $Apache::lonhomeork::results{'resource.'.$instance.'.status'}='pass'; 617: } 618: } 619: return $result; 620: } 621: } 622: 623: sub start_IntroParagraph { 624: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 625: my $result; 626: if ($target eq 'web' || $target eq 'webgrade') { 627: if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') { 628: &Apache::lonxml::startredirection(); 629: } 630: } 631: return $result; 632: } 633: 634: sub end_IntroParagraph { 635: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 636: my $result; 637: if ($target eq 'web' || $target eq 'webgrade') { 638: if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') { 639: $dimension{'intro'}=&Apache::lonxml::endredirection(); 640: } 641: } 642: return $result; 643: } 644: 645: sub start_Instance { 646: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 647: my $id=&get_id($parstack,$safeeval); 648: push(@{$dimension{'instances'}},$id); 649: push(@Apache::bridgetask::instance,$id); 650: push(@Apache::bridgetask::instancelist,$id); 651: $dimension{$id.'.optionalrequired'}= 652: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval); 653: return ''; 654: } 655: 656: sub end_Instance { 657: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 658: return ''; 659: } 660: 661: sub start_InstanceText { 662: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 663: if ($target eq 'web' || $target eq 'webgrade') { 664: &Apache::lonxml::startredirection(); 665: } 666: return ''; 667: } 668: 669: sub end_InstanceText { 670: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 671: my $instance_id=$Apache::bridgetask::instance[-1]; 672: if ($target eq 'web' || $target eq 'webgrade') { 673: $dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection(); 674: } 675: return ''; 676: } 677: 678: sub start_Criteria { 679: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 680: if ($target eq 'web' || $target eq 'webgrade') { 681: &Apache::lonxml::startredirection(); 682: } 683: return ''; 684: } 685: 686: sub end_Criteria { 687: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 688: my $instance_id=$Apache::bridgetask::instance[-1]; 689: if ($target eq 'web' || $target eq 'webgrade') { 690: my $criteria=&Apache::lonxml::endredirection(); 691: my $id=&get_id($parstack,$safeeval); 692: $dimension{$instance_id.'.criteria.'.$id}=$criteria; 693: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}= 694: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval); 695: push(@{$dimension{$instance_id.'.criterias'}},$id); 696: } 697: return ''; 698: } 699: 700: sub proctor_validation_screen { 701: my ($slot) = @_; 702: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser(); 703: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg'); 704: $user=$env{'form.proctorname'}; 705: if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; } 706: my $msg; 707: if ($env{'form.proctorpassword'}) { 708: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.") 709: .'</font></p>'; 710: } 711: my $result= (<<ENDCHECKOUT); 712: <h2>Proctor Validation</h2> 713: <p>Your room's proctor needs to validate your access to this resource.</p> 714: $msg 715: <form name="checkout" method="POST" action="$env{'request.uri'}"> 716: <input type="hidden" name="validate" value="yes" /> 717: <input type="hidden" name="submitted" value="yes" /> 718: <table> 719: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr> 720: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr> 721: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr> 722: </table> 723: <input type="submit" name="checkoutbutton" value="Validate" /><br /> 724: Student who should be logged in is:<br /> 725: <img src="$url" /><br /> 726: </form> 727: ENDCHECKOUT 728: return $result; 729: } 730: 731: 1; 732: __END__