loncom/homework/inputtags.pm - view

File: [LON-CAPA] / loncom / homework / inputtags.pm
Revision 1.141: download - view: text, annotated - select for diffs
Thu Apr 29 07:57:47 2004 UTC (20 years ago) by albertel
Branches: MAIN
CVS tags: HEAD

- can now grade an Anonymous exam
   - CODE is noticed by rndseed in either the student record
     (Apache::lonhomework::history) or %ENV and used
   - analyze mode now needs student data loaded and does so
   - CODE is stored into student data

1: # The LearningOnline Network with CAPA 2: # input definitons 3: # 4: # $Id: inputtags.pm,v 1.141 2004/04/29 07:57:47 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: package Apache::inputtags; 29: use HTML::Entities(); 30: use strict; 31: use Apache::loncommon; 32: use Apache::lonlocal; 33: 34: BEGIN { 35: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline')); 36: } 37: 38: 39: sub initialize_inputtags { 40: # list of current input ids 41: @Apache::inputtags::input=(); 42: # list of all input ids seen in this problem 43: @Apache::inputtags::inputlist=(); 44: # list of all current response ids 45: @Apache::inputtags::response=(); 46: # list of all response ids seen in this problem 47: @Apache::inputtags::responselist=(); 48: # list of whether or not a specific response was previously used 49: @Apache::inputtags::previous=(); 50: # submission it was used in 51: @Apache::inputtags::previous_version=(); 52: # id of current part, 0 means that no part is current 53: # (inside <problem> only 54: $Apache::inputtags::part=''; 55: # list of all part ids seen 56: @Apache::inputtags::partlist=(); 57: # list of problem date statuses, the first element is for <problem> 58: # if there is a second element it is for the current <part> 59: @Apache::inputtags::status=(); 60: # hash of defined params for the current response 61: %Apache::inputtags::params=(); 62: # list of all ids, for <import>, these get join()ed and prepended 63: @Apache::inputtags::import=(); 64: # list of all import ids seen 65: @Apache::inputtags::importlist=(); 66: # just used to note whether we have seen a response that isn't in a part 67: $Apache::inputtags::response_with_no_part=0; 68: } 69: 70: sub check_for_duplicate_ids { 71: my %check; 72: foreach my $id (@Apache::inputtags::partlist, 73: @Apache::inputtags::responselist, 74: @Apache::inputtags::importlist) { 75: $check{$id}++; 76: } 77: my @duplicates; 78: foreach my $id (sort(keys(%check))) { 79: if ($check{$id} > 1) { 80: push(@duplicates,$id); 81: } 82: } 83: if (@duplicates) { 84: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates)); 85: } 86: } 87: 88: sub start_input { 89: my ($parstack,$safeeval)=@_; 90: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval); 91: if ($id eq '') { $id = $Apache::lonxml::curdepth; } 92: push (@Apache::inputtags::input,$id); 93: push (@Apache::inputtags::inputlist,$id); 94: return $id; 95: } 96: 97: sub end_input { 98: pop @Apache::inputtags::input; 99: return ''; 100: } 101: 102: sub addchars { 103: my ($fieldid,$addchars)=@_; 104: my $output=''; 105: foreach (split(/\,/,$addchars)) { 106: $output.='<a href="javascript:void(document.forms.lonhomework.'. 107: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> '; 108: } 109: return $output; 110: } 111: 112: sub start_textfield { 113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 114: my $result = ""; 115: my $id = &start_input($parstack,$safeeval); 116: my $resid=$Apache::inputtags::response[-1]; 117: if ($target eq 'web') { 118: $Apache::lonxml::evaluate--; 119: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 120: my $partid=$Apache::inputtags::part; 121: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"'); 122: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 123: if ( $cols eq '') { $cols = 80; } 124: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 125: if ( $rows eq '') { $rows = 10; } 126: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 127: $result=''; 128: if ($addchars) { 129: $result.=&addchars('HWVAL_'.$resid,$addchars); 130: } 131: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" '. 132: "rows=\"$rows\" cols=\"$cols\">".$oldresponse; 133: if ($oldresponse ne '') { 134: #get rid of any startup text if the user has already responded 135: &Apache::lonxml::get_all_text("/textfield",$parser); 136: } 137: } else { 138: #right or wrong don't show it 139: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>'; 140: $result=''; 141: #get rid of any startup text 142: &Apache::lonxml::get_all_text("/textfield",$parser); 143: } 144: } elsif ($target eq 'grade') { 145: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser); 146: if ($seedtext eq $ENV{'form.HWVAL_'.$resid}) { 147: # if the seed text is still there it wasn't a real submission 148: $ENV{'form.HWVAL_'.$resid}=''; 149: } 150: } elsif ($target eq 'edit') { 151: $result.=&Apache::edit::tag_start($target,$token); 152: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4); 153: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4); 154: $result.=&Apache::edit::text_arg 155: ('Click-On Texts (comma sep):','addchars',$token,10); 156: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser); 157: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2); 158: } elsif ($target eq 'modified') { 159: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 160: $safeeval,'rows','cols', 161: 'addchars'); 162: if ($constructtag) { 163: $result = &Apache::edit::rebuild_tag($token); 164: } else { 165: $result=$token->[4]; 166: } 167: $result.=&Apache::edit::modifiedfield("/textfield",$parser); 168: } elsif ($target eq 'tex') { 169: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 170: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 171: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') { 172: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{'; 173: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 174: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}'; 175: } else { 176: my $TeXwidth=$width_of_box/80; 177: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{'; 178: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 179: $result.='}}}\vskip 2 mm '; 180: } 181: } 182: return $result; 183: } 184: 185: sub end_textfield { 186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 187: my $result; 188: if ($target eq 'web') { 189: $Apache::lonxml::evaluate++; 190: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 191: return "</textarea>"; 192: } 193: } elsif ($target eq 'edit') { 194: $result=&Apache::edit::end_table(); 195: } 196: &end_input; 197: return $result; 198: } 199: 200: sub start_textline { 201: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 202: my $result = ""; 203: if ($target eq 'web') { 204: $Apache::lonxml::evaluate--; 205: my $partid=$Apache::inputtags::part; 206: my $id=$Apache::inputtags::response[-1]; 207: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 208: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 209: my $maxlength; 210: if ($size eq '') { $size=20; } else { 211: if ($size < 20) { $maxlength=$size; } 212: } 213: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"'); 214: if ($Apache::lonhomework::type ne 'exam') { 215: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 216: $result=''; 217: if ($addchars) { 218: $result.=&addchars('HWVAL_'.$id,$addchars); 219: } 220: $result.= '<input type="text" name="HWVAL_'.$id.'" value="'. 221: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />'; 222: } 223: } else { 224: #right or wrong don't show what was last typed in. 225: #$result='<i>'.$oldresponse.'</i>'; 226: $result=''; 227: } 228: } elsif ($target eq 'edit') { 229: $result=&Apache::edit::tag_start($target,$token); 230: $result.=&Apache::edit::text_arg('Size:','size',$token,'5'). 231: &Apache::edit::text_arg 232: ('Click-On Texts (comma sep):','addchars',$token,10)."</td></tr>"; 233: $result.=&Apache::edit::end_table; 234: } elsif ($target eq 'modified') { 235: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size','addchars'); 236: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 237: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 238: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 239: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';} 240: $result='\framebox['.$size.'][s]{\tiny\strut}'; 241: } 242: return $result; 243: } 244: 245: sub end_textline { 246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 247: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 248: elsif ($target eq 'edit') { return ('','no'); } 249: return ""; 250: } 251: 252: sub start_hiddenline { 253: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 254: my $result = ""; 255: if ($target eq 'web') { 256: $Apache::lonxml::evaluate--; 257: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 258: my $partid=$Apache::inputtags::part; 259: my $id=$Apache::inputtags::response[-1]; 260: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"'); 261: if ($Apache::lonhomework::type ne 'exam') { 262: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'. 263: $oldresponse.'" />'; 264: } 265: } 266: } elsif ($target eq 'edit') { 267: $result=&Apache::edit::tag_start($target,$token); 268: $result.=&Apache::edit::end_table; 269: } 270: return $result; 271: } 272: 273: sub end_hiddenline { 274: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 275: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 276: elsif ($target eq 'edit') { return ('','no'); } 277: return ""; 278: } 279: 280: sub checkstatus { 281: my ($value,$awardref,$msgref)=@_; 282: for (my $i=0;$i<=$#$awardref;$i++) { 283: if ($$awardref[$i] eq $value) { 284: return ($$awardref[$i],$$msgref[$i]); 285: } 286: } 287: return(undef,undef); 288: } 289: 290: sub finalizeawards { 291: my ($awardref,$msgref)=@_; 292: my $result=undef; 293: my $award; 294: my $msg; 295: if ($#$awardref == -1) { $result = "NO_RESPONSE"; } 296: if ($result eq '' ) { 297: my $blankcount; 298: foreach $award (@$awardref) { 299: if ($award eq '') { 300: $result='MISSING_ANSWER'; 301: $blankcount++; 302: } 303: } 304: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; } 305: } 306: if (defined($result)) { return ($result,$msg); } 307: foreach my $possibleaward ('MISSING_ANSWER', 'ERROR', 'NO_RESPONSE', 308: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR', 309: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE', 310: 'UNIT_FAIL', 'NO_UNIT', 311: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 312: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 313: 'MISORDERED_RANK', 'INVALID_FILETYPE', 314: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE', 315: 'APPROX_ANS', 'EXACT_ANS') { 316: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref); 317: if (defined($result)) { return ($result,$msg); } 318: } 319: return ('ERROR',undef); 320: } 321: 322: sub decideoutput { 323: my ($award,$awardmsg,$solved,$previous,$target)=@_; 324: my $message=''; 325: my $button=0; 326: my $previousmsg; 327: my $bgcolor='orange'; 328: my %possiblecolors = 329: ( 'correct' => '#aaffaa', 330: 'charged_try' => '#ffaaaa', 331: 'not_charged_try' => '#ffffaa', 332: 'no_message' => '#fffff', 333: ); 334: if ($previous) { $previousmsg=&mt('You have entered that answer before'); } 335: 336: if ($solved =~ /^correct/) { 337: if ($award eq 'ASSIGNED_SCORE') { 338: $message = &mt("A score has been assigned."); 339: } else { 340: if ($target eq 'tex') { 341: $message = '\textbf{'.&mt('You are correct.').'}'; 342: } else { 343: $message = "<b>".&mt('You are correct.')."</b>"; 344: } 345: unless ($ENV{'course.'. 346: $ENV{'request.course.id'}. 347: '.disable_receipt_display'} eq 'yes') { 348: $message.=(($target eq 'web')?'<br />':' '). 349: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part). 350: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''); 351: } 352: } 353: $bgcolor=$possiblecolors{'correct'}; 354: $button=0; 355: $previousmsg=''; 356: } elsif ($solved =~ /^excused/) { 357: if ($target eq 'tex') { 358: $message = ' \textbf{'.&mt('You are excused from the problem.').'} '; 359: } else { 360: $message = "<b>".&mt('You are excused from the problem.')."</b>"; 361: } 362: $bgcolor=$possiblecolors{'charged_try'}; 363: $button=0; 364: $previousmsg=''; 365: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) { 366: if ($solved =~ /^incorrect/ || $solved eq '') { 367: $message = &mt("Incorrect"); 368: $bgcolor=$possiblecolors{'charged_try'}; 369: $button=1; 370: } else { 371: $message = "<b>".&mt('You are correct.')."</b>"; 372: unless ($ENV{'course.'. 373: $ENV{'request.course.id'}. 374: '.disable_receipt_display'} eq 'yes') { 375: $message.=(($target eq 'web')?'<br />':' '). 376: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part). 377: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''); 378: } 379: $bgcolor=$possiblecolors{'correct'}; 380: $button=0; 381: $previousmsg=''; 382: } 383: } elsif ($award eq 'NO_RESPONSE') { 384: $message = ''; 385: $bgcolor=$possiblecolors{'no_feedback'}; 386: $button=1; 387: } elsif ($award eq 'MISSING_ANSWER') { 388: $message = &mt('Some items were not submitted.'); 389: $bgcolor=$possiblecolors{'not_charged_try'}; 390: $button = 1; 391: } elsif ($award eq 'ERROR') { 392: $message = &mt('An error occured while grading your answer.'); 393: $bgcolor=$possiblecolors{'not_charged_try'}; 394: $button = 1; 395: } elsif ($award eq 'TOO_LONG') { 396: $message = &mt("The submitted answer was too long."); 397: $bgcolor=$possiblecolors{'not_charged_try'}; 398: $button=1; 399: } elsif ($award eq 'WANTED_NUMERIC') { 400: $message = &mt("This question expects a numeric answer."); 401: $bgcolor=$possiblecolors{'not_charged_try'}; 402: $button=1; 403: } elsif ($award eq 'MISORDERED_RANK') { 404: $message = &mt('You have provided an invalid ranking'); 405: if ($target ne 'tex') { 406: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.'; 407: } 408: $bgcolor=$possiblecolors{'not_charged_try'}; 409: $button=1; 410: } elsif ($award eq 'INVALID_FILETYPE') { 411: $message = &mt('The filetype extension of the file you uploaded is not allowed.'); 412: $bgcolor=$possiblecolors{'not_charged_try'}; 413: $button=1; 414: } elsif ($award eq 'SIG_FAIL') { 415: $message = &mt("Significant figures are incorrect, you provided [_1] significant figures while [_2] to [_3] were expected. Submission not graded.",(split(/:/,$awardmsg))); 416: $bgcolor=$possiblecolors{'not_charged_try'}; 417: $button=1; 418: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') { 419: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg); 420: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 421: $bgcolor=$possiblecolors{'not_charged_try'}; 422: $button=1; 423: } elsif ($award eq 'UNIT_INVALID_STUDENT') { 424: $message = &mt('Unable to interpret units. Computer reads units as "[_1]"','<tt>'.$awardmsg.'</tt>'); 425: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 426: $bgcolor=$possiblecolors{'not_charged_try'}; 427: $button=1; 428: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') { 429: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.','<tt>'.$awardmsg.'</tt>'); 430: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 431: $bgcolor=$possiblecolors{'not_charged_try'}; 432: $button=1; 433: } elsif ($award eq 'UNIT_NOTNEEDED') { 434: $message = &mt('Only a number required. Computer reads units of "[_1]"','<tt>'.$awardmsg.'</tt>'); 435: $bgcolor=$possiblecolors{'not_charged_try'}; 436: $button=1; 437: } elsif ($award eq 'NO_UNIT') { 438: $message = &mt("Units required"); 439: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')}; 440: $bgcolor=$possiblecolors{'not_charged_try'}; 441: $button=1; 442: } elsif ($award eq 'BAD_FORMULA') { 443: $message = &mt("Unable to understand formula"); 444: $bgcolor=$possiblecolors{'not_charged_try'}; 445: $button=1; 446: } elsif ($award eq 'INCORRECT') { 447: $message = &mt("Incorrect"); 448: $bgcolor=$possiblecolors{'charged_try'}; 449: $button=1; 450: } elsif ($award eq 'SUBMITTED') { 451: $message = &mt("Your submission has been recorded."); 452: $bgcolor=$possiblecolors{'correct'}; 453: $button=1; 454: } elsif ($award eq 'DRAFT') { 455: $message = "A draft copy has been saved."; 456: $bgcolor=$possiblecolors{'not_charged_try'}; 457: $button=1; 458: } elsif ($award eq 'ASSIGNED_SCORE') { 459: $message = "A score has been assigned."; 460: $bgcolor=$possiblecolors{'correct'}; 461: $button=0; 462: } else { 463: $message = &mt("Unknown message").": $award"; 464: $button=1; 465: } 466: if (lc($Apache::lonhomework::problemstatus) eq 'no' && 467: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') { 468: $message = &mt("Answer Submitted: Your final submission will be graded after the due date."); 469: $bgcolor=$possiblecolors{'correct'}; 470: $button=1; 471: } 472: return ($button,$bgcolor,$message,$previousmsg); 473: } 474: 475: sub removealldata { 476: my ($id)=@_; 477: foreach my $key (keys(%Apache::lonhomework::results)) { 478: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) { 479: &Apache::lonxml::debug("Removing $key"); 480: delete($Apache::lonhomework::results{$key}); 481: } 482: } 483: } 484: 485: sub setgradedata { 486: my ($award,$msg,$id,$previously_used) = @_; 487: # if the student already has it correct, don't modify the status 488: if ($Apache::lonhomework::scantronmode && defined($ENV{'form.CODE'})) { 489: $Apache::lonhomework::results{"resource.CODE"}=$ENV{'form.CODE'}; 490: } 491: if (!$Apache::lonhomework::scantronmode && 492: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' && 493: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') { 494: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award; 495: return ''; 496: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~ 497: /^correct/ || $Apache::lonhomework::scantronmode || 498: lc($Apache::lonhomework::problemstatus) eq 'no') { 499: #handle assignment of tries and solved status 500: my $solvemsg; 501: if ($Apache::lonhomework::scantronmode) { 502: $solvemsg='correct_by_scantron'; 503: } else { 504: $solvemsg='correct_by_student'; 505: } 506: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) { 507: $Apache::lonhomework::results{"resource.$id.afterduedate"}=''; 508: } 509: if ( $award eq 'ASSIGNED_SCORE') { 510: $Apache::lonhomework::results{"resource.$id.tries"} = 511: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 512: $Apache::lonhomework::results{"resource.$id.solved"} = 513: $solvemsg; 514: my $numawards=scalar(@Apache::inputtags::response); 515: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 516: foreach my $res (@Apache::inputtags::response) { 517: $Apache::lonhomework::results{"resource.$id.awarded"}+= 518: $Apache::lonhomework::results{"resource.$id.$res.awarded"}; 519: } 520: if ($numawards > 0) { 521: $Apache::lonhomework::results{"resource.$id.awarded"}/= 522: $numawards; 523: } 524: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) { 525: $Apache::lonhomework::results{"resource.$id.tries"} = 526: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 527: $Apache::lonhomework::results{"resource.$id.solved"} = 528: $solvemsg; 529: $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; 530: } elsif ( $award eq 'INCORRECT' ) { 531: $Apache::lonhomework::results{"resource.$id.tries"} = 532: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 533: if (lc($Apache::lonhomework::problemstatus) eq 'no') { 534: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 535: } 536: $Apache::lonhomework::results{"resource.$id.solved"} = 537: 'incorrect_attempted'; 538: } elsif ( $award eq 'SUBMITTED' ) { 539: $Apache::lonhomework::results{"resource.$id.tries"} = 540: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 541: $Apache::lonhomework::results{"resource.$id.solved"} = 542: 'ungraded_attempted'; 543: } elsif ( $award eq 'DRAFT' ) { 544: $Apache::lonhomework::results{"resource.$id.solved"} = ''; 545: } elsif ( $award eq 'NO_RESPONSE' ) { 546: #no real response so delete any data that got stored 547: &removealldata($id); 548: return ''; 549: } else { 550: $Apache::lonhomework::results{"resource.$id.solved"} = 551: 'incorrect_attempted'; 552: if (lc($Apache::lonhomework::problemstatus) eq 'no') { 553: $Apache::lonhomework::results{"resource.$id.tries"} = 554: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 555: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 556: } 557: } 558: if (defined($msg)) { 559: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg; 560: } 561: # did either of the overall awards chage? If so ignore the 562: # previous check 563: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq 564: $Apache::lonhomework::history{"resource.$id.awarded"}) && 565: ($Apache::lonhomework::results{"resource.$id.solved"} eq 566: $Apache::lonhomework::history{"resource.$id.solved"})) { 567: # check if this was a previous submission if it was delete the 568: # unneeded data and update the previously_used attribute 569: if ( $previously_used eq 'PREVIOUSLY_USED') { 570: if (lc($Apache::lonhomework::problemstatus) ne 'no') { 571: delete($Apache::lonhomework::results{"resource.$id.tries"}); 572: $Apache::lonhomework::results{"resource.$id.previous"} = '1'; 573: } 574: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') { 575: #delete all data as they student didn't do anything, but save 576: #the list of collaborators. 577: &removealldata($id); 578: #and since they didn't do anything we were never here 579: return ''; 580: } else { 581: $Apache::lonhomework::results{"resource.$id.previous"} = '0'; 582: } 583: } 584: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~ 585: /^correct/ ) { 586: #delete all data as they student already has it correct 587: &removealldata($id); 588: #and since they didn't do anything we were never here 589: return ''; 590: } 591: $Apache::lonhomework::results{"resource.$id.award"} = $award; 592: } 593: 594: sub grade { 595: my ($target) = @_; 596: my $id = $Apache::inputtags::part; 597: my $response=''; 598: if ( defined $ENV{'form.submitted'}) { 599: my (@awards,@msgs); 600: foreach $response (@Apache::inputtags::response) { 601: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail"); 602: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"}; 603: &Apache::lonxml::debug("keeping $value from $response for $id"); 604: push (@awards,$value); 605: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"}; 606: &Apache::lonxml::debug("got message $value from $response for $id"); 607: push (@msgs,$value); 608: } 609: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs); 610: my $previously_used; 611: if ( $#Apache::inputtags::previous eq $#awards ) { 612: my $match=0; 613: my @matches; 614: foreach my $versionar (@Apache::inputtags::previous_version) { 615: foreach my $version (@$versionar) { 616: $matches[$version]++; 617: } 618: } 619: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}} 620: if ($match) { 621: $previously_used = 'PREVIOUSLY_LAST'; 622: foreach my $value (@Apache::inputtags::previous) { 623: if ($value eq 'PREVIOUSLY_USED' ) { 624: $previously_used = $value; 625: last; 626: } 627: } 628: } 629: } 630: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg"); 631: &setgradedata($finalaward,$msg,$id,$previously_used); 632: } 633: return ''; 634: } 635: 636: sub gradestatus { 637: my ($id,$target) = @_; 638: my $showbutton = 1; 639: my $bgcolor = ''; 640: my $message = ''; 641: my $latemessage = ''; 642: my $trystr=''; 643: my $button=''; 644: my $previousmsg=''; 645: 646: my $status = $Apache::inputtags::status['-1']; 647: &Apache::lonxml::debug("gradestatus has :$status:"); 648: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE' && 649: $status ne 'INVALID_ACCESS') { 650: my $award = $Apache::lonhomework::history{"resource.$id.award"}; 651: my $solved = $Apache::lonhomework::history{"resource.$id.solved"}; 652: my $previous = $Apache::lonhomework::history{"resource.$id.previous"}; 653: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"}; 654: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg"); 655: if ( $award ne '' || $solved ne '') { 656: &Apache::lonxml::debug('Getting message'); 657: ($showbutton,$bgcolor,$message,$previousmsg) = 658: &decideoutput($award,$awardmsg,$solved,$previous,$target); 659: if ($target eq 'tex') { 660: $message='\vskip 2 mm '.$message.' '; 661: } else { 662: $message="<td bgcolor=\"$bgcolor\">$message</td>"; 663: if ($previousmsg) { 664: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>"; 665: } 666: } 667: } 668: my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; 669: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); 670: &Apache::lonxml::debug("got maxtries of :$maxtries:"); 671: #if tries are set to negative turn off the Tries/Button and messages 672: if (defined($maxtries) && $maxtries < 0) { return ''; } 673: if ( $tries eq '' ) { $tries = '0'; } 674: if ( $maxtries eq '' ) { $maxtries = '2'; } 675: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 676: my $tries_text=&mt('Tries'); 677: if ( $Apache::lonhomework::type eq 'survey') { $tries_text=&mt('Submissions'); } 678: if ( $showbutton ) { 679: if ($target eq 'tex') { 680: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') { 681: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm '; 682: } else { 683: $trystr = '\vskip 0 mm '; 684: } 685: } else { 686: $trystr = "<td><nobr>".$tries_text." $tries"; 687: if($ENV{'request.state'} ne 'construct') { 688: $trystr.="/$maxtries"; 689: } else { 690: if (defined($Apache::inputtags::params{'maxtries'})) { 691: $trystr.="/".$Apache::inputtags::params{'maxtries'}; 692: } 693: } 694: $trystr.="</nobr></td>"; 695: } 696: } 697: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;} 698: if ( $showbutton ) { 699: if ($target ne 'tex') { 700: $button = '<input type="submit" name="submit" value="'.&mt('Submit Answer').'" />'; 701: } 702: } 703: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) { 704: #last submissions was after due date 705: if ($target eq 'tex') { 706: $latemessage=' The last submission was after the Due Date '; 707: } else { 708: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>"; 709: } 710: } 711: } 712: my $output= $previousmsg.$latemessage.$message.$trystr; 713: if ($output =~ /^\s*$/) { 714: return $button; 715: } else { 716: if ($target eq 'tex') { 717: return $button.' \vskip 0 mm '.$output.' '; 718: } else { 719: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>'; 720: } 721: } 722: } 723: 1; 724: __END__ 725: