loncom/homework/inputtags.pm - view

File: [LON-CAPA] / loncom / homework / inputtags.pm
Revision 1.183: download - view: text, annotated - select for diffs
Mon Nov 21 21:51:29 2005 UTC (18 years, 5 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- de-appendix slots
   - new parm 'useslots' (problems defulat to no, Tasks default to resource)
   - make available and availablestudent exist for problems
   - problems uses check_slot_access
   - problems understand states of 'NOT_IN_A_SLOT' and 'NEEDS_CHECKIN'

1: # The LearningOnline Network with CAPA 2: # input definitons 3: # 4: # $Id: inputtags.pm,v 1.183 2005/11/21 21:51:29 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: use Apache::lonnet; 34: 35: BEGIN { 36: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline')); 37: } 38: 39: # Initializes a set of global variables used during the parse of the problem. 40: # 41: # @Apache::inputtags::input - List of current input ids. 42: # @Apache::inputtags::inputlist - List of all input ids seen this problem. 43: # @Apache::inputtags::response - List of all current resopnse ids. 44: # @Apache::inputtags::responselist - List of all response ids seen this 45: # problem. 46: # @Apache::inputtags::hint - List of all hint ids. 47: # @Apache::inputtags::hintlist - List of all hint ids seen this problem. 48: # @Apache::inputtags::previous - List describing if specific responseds 49: # have been used 50: # @Apache::inputtags::previous_version - Submission responses were used in. 51: # $Apache::inputtags::part - Current part id (valid only in 52: # <problem>) 53: # 0 if not in a part. 54: # @Apache::inputtags::partlist - List of part ids seen in the current 55: # <problem> 56: # @Apache::inputtags::status - List of problem statuses. First 57: # element is the status of the <problem> 58: # the remainder are for individual <part>s. 59: # %Apache::inputtags::params - Hash of defined parameters for the 60: # current response. 61: # @Apache::inputtags::import - List of all ids for <import> thes get 62: # join()ed and prepended. 63: # @Apache::inputtags::importlist - List of all import ids seen. 64: # $Apache::inputtags::response_with_no_part 65: # - Flag set true if we have seen a response 66: # that is not inside a <part> 67: # %Apache::inputtags::answertxt - <*response> tags store correct 68: # answer strings for display by <textline/> 69: # in this hash. 70: 71: sub initialize_inputtags { 72: @Apache::inputtags::input=(); 73: @Apache::inputtags::inputlist=(); 74: @Apache::inputtags::response=(); 75: @Apache::inputtags::responselist=(); 76: @Apache::inputtags::hint=(); 77: @Apache::inputtags::hintlist=(); 78: @Apache::inputtags::previous=(); 79: @Apache::inputtags::previous_version=(); 80: $Apache::inputtags::part=''; 81: @Apache::inputtags::partlist=(); 82: @Apache::inputtags::status=(); 83: %Apache::inputtags::params=(); 84: @Apache::inputtags::import=(); 85: @Apache::inputtags::importlist=(); 86: $Apache::inputtags::response_with_no_part=0; 87: %Apache::inputtags::answertxt=(); 88: } 89: 90: sub check_for_duplicate_ids { 91: my %check; 92: foreach my $id (@Apache::inputtags::partlist, 93: @Apache::inputtags::responselist, 94: @Apache::inputtags::hintlist, 95: @Apache::inputtags::importlist) { 96: $check{$id}++; 97: } 98: my @duplicates; 99: foreach my $id (sort(keys(%check))) { 100: if ($check{$id} > 1) { 101: push(@duplicates,$id); 102: } 103: } 104: if (@duplicates) { 105: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates)); 106: } 107: } 108: 109: sub start_input { 110: my ($parstack,$safeeval)=@_; 111: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval); 112: if ($id eq '') { $id = $Apache::lonxml::curdepth; } 113: push (@Apache::inputtags::input,$id); 114: push (@Apache::inputtags::inputlist,$id); 115: return $id; 116: } 117: 118: sub end_input { 119: pop @Apache::inputtags::input; 120: return ''; 121: } 122: 123: sub addchars { 124: my ($fieldid,$addchars)=@_; 125: my $output=''; 126: foreach (split(/\,/,$addchars)) { 127: $output.='<a href="javascript:void(document.forms.lonhomework.'. 128: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> '; 129: } 130: return $output; 131: } 132: 133: sub start_textfield { 134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 135: my $result = ""; 136: my $id = &start_input($parstack,$safeeval); 137: my $resid=$Apache::inputtags::response[-1]; 138: if ($target eq 'web') { 139: $Apache::lonxml::evaluate--; 140: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 141: my $partid=$Apache::inputtags::part; 142: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"'); 143: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 144: if ( $cols eq '') { $cols = 80; } 145: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 146: if ( $rows eq '') { $rows = 16; } 147: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 148: $result=''; 149: if ($addchars) { 150: $result.=&addchars('HWVAL_'.$resid,$addchars); 151: } 152: push @Apache::lonxml::htmlareafields,'HWVAL_'.$resid; 153: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '. 154: "rows=\"$rows\" cols=\"$cols\">".$oldresponse; 155: if ($oldresponse ne '') { 156: 157: #get rid of any startup text if the user has already responded 158: &Apache::lonxml::get_all_text("/textfield",$parser); 159: } 160: } else { 161: #right or wrong don't show it 162: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>'; 163: $result=''; 164: #get rid of any startup text 165: &Apache::lonxml::get_all_text("/textfield",$parser); 166: } 167: } elsif ($target eq 'grade') { 168: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser); 169: if ($seedtext eq $env{'form.HWVAL_'.$resid}) { 170: # if the seed text is still there it wasn't a real submission 171: $env{'form.HWVAL_'.$resid}=''; 172: } 173: } elsif ($target eq 'edit') { 174: $result.=&Apache::edit::tag_start($target,$token); 175: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4); 176: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4); 177: $result.=&Apache::edit::text_arg 178: ('Click-On Texts (comma sep):','addchars',$token,10); 179: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser); 180: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2); 181: } elsif ($target eq 'modified') { 182: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 183: $safeeval,'rows','cols', 184: 'addchars'); 185: if ($constructtag) { 186: $result = &Apache::edit::rebuild_tag($token); 187: } else { 188: $result=$token->[4]; 189: } 190: $result.=&Apache::edit::modifiedfield("/textfield",$parser); 191: } elsif ($target eq 'tex') { 192: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 193: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 194: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') { 195: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{'; 196: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 197: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}'; 198: } else { 199: my $TeXwidth=$width_of_box/80; 200: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{'; 201: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 202: $result.='}}}\vskip 2 mm '; 203: } 204: } 205: return $result; 206: } 207: 208: sub end_textfield { 209: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 210: my $result; 211: if ($target eq 'web') { 212: $Apache::lonxml::evaluate++; 213: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 214: return "</textarea>"; 215: } 216: } elsif ($target eq 'edit') { 217: $result=&Apache::edit::end_table(); 218: } 219: &end_input; 220: return $result; 221: } 222: 223: sub start_textline { 224: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 225: my $result = ""; 226: if ($target eq 'web') { 227: $Apache::lonxml::evaluate--; 228: my $partid=$Apache::inputtags::part; 229: my $id=$Apache::inputtags::response[-1]; 230: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 231: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 232: my $maxlength; 233: if ($size eq '') { $size=20; } else { 234: if ($size < 20) { $maxlength=$size; } 235: } 236: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"'); 237: if ($Apache::lonhomework::type ne 'exam') { 238: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 239: $result=''; 240: if ($addchars) { 241: $result.=&addchars('HWVAL_'.$id,$addchars); 242: } 243: my $readonly=&Apache::lonxml::get_param('readonly',$parstack, 244: $safeeval); 245: if (lc($readonly) eq 'yes') { 246: $readonly=' readonly="readonly" '; 247: } else { 248: $readonly=''; 249: } 250: $result.= '<input type="text" '.$readonly.' name="HWVAL_'.$id.'" value="'. 251: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />'; 252: } 253: } else { 254: #right or wrong don't show what was last typed in. 255: $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>'; 256: #$result=''; 257: } 258: } elsif ($target eq 'edit') { 259: $result=&Apache::edit::tag_start($target,$token); 260: $result.=&Apache::edit::text_arg('Size:','size',$token,'5'). 261: &Apache::edit::text_arg('Click-On Texts (comma sep):', 262: 'addchars',$token,10); 263: $result.=&Apache::edit::select_arg('Readonly:','readonly', 264: ['no','yes'],$token); 265: $result.=&Apache::edit::end_row(); 266: $result.=&Apache::edit::end_table(); 267: } elsif ($target eq 'modified') { 268: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 269: $safeeval,'size', 270: 'addchars','readonly'); 271: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 272: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 273: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 274: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';} 275: $result='\framebox['.$size.'][s]{\tiny\strut}'; 276: } 277: return $result; 278: } 279: 280: sub end_textline { 281: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 282: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 283: elsif ($target eq 'edit') { return ('','no'); } 284: return ""; 285: } 286: 287: sub start_hiddenline { 288: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 289: my $result = ""; 290: if ($target eq 'web') { 291: $Apache::lonxml::evaluate--; 292: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 293: my $partid=$Apache::inputtags::part; 294: my $id=$Apache::inputtags::response[-1]; 295: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"'); 296: if ($Apache::lonhomework::type ne 'exam') { 297: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'. 298: $oldresponse.'" />'; 299: } 300: } 301: } elsif ($target eq 'edit') { 302: $result=&Apache::edit::tag_start($target,$token); 303: $result.=&Apache::edit::end_table; 304: } 305: return $result; 306: } 307: 308: sub end_hiddenline { 309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 310: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 311: elsif ($target eq 'edit') { return ('','no'); } 312: return ""; 313: } 314: 315: # $part -> partid 316: # $id -> responseid 317: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any 318: # $which -> 'uploadedonly' -> only newly uploaded files 319: # 'portfolioonly' -> only allow files from portfolio 320: # 'both' -> allow files from either location 321: # $extratext -> additional text to go between the link and the input box 322: # returns a table row <tr> 323: sub file_selector { 324: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_; 325: if (!$uploadedfiletypes) { return ''; } 326: 327: my $jspart=$part; 328: $jspart=~s/\./_/g; 329: 330: my $result; 331: 332: $result.='<tr><td>'; 333: if ($uploadedfiletypes ne '*') { 334: $result.= 335: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />'; 336: } 337: if ($which eq 'uploadonly' || $which eq 'both') { 338: $result.=&mt('Submit a file: (only one file can be uploaded)'). 339: ' <br /><input type="file" size="50" name="HWFILE'. 340: $jspart.'_'.$id.'" /><br />'; 341: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"'); 342: 343: if ($uploadedfile) { 344: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}; 345: &Apache::lonxml::extlink($url); 346: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url); 347: my $icon=&Apache::loncommon::icon($url); 348: my $curfile='<a href="'.$url.'"><img src="'.$icon. 349: '" border="0" />'.$uploadedfile.'</a>'; 350: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile); 351: } else { 352: #$result.=&mt('(Hand in a file you have prepared on your computer)'); 353: } 354: } 355: if ( $which eq 'both') { 356: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />'; 357: } 358: if ($which eq 'portfolioonly' || $which eq 'both') { 359: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname=HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'. 360: &mt('Select Portfolio Files').'</a><br />'. 361: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'. 362: '<br />'; 363: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}=~/[^\s]/){ 364: my @filelist; 365: foreach my $file (split(',',&Apache::lonnet::unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) { 366: my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser(); 367: my $url="/uploaded/$domain/$user/portfolio$file"; 368: my $icon=&Apache::loncommon::icon($url); 369: push(@filelist,'<a href="'.$url.'"><img src="'.$icon. 370: '" border="0" />'.$file.'</a>'); 371: } 372: $result.=&mt("Portfolio files previously selected: <strong>[_1]</strong>",join(', ',@filelist)); 373: } 374: } 375: $result.='</td></tr>'; 376: return $result; 377: } 378: 379: sub checkstatus { 380: my ($value,$awardref,$msgref)=@_; 381: for (my $i=0;$i<=$#$awardref;$i++) { 382: if ($$awardref[$i] eq $value) { 383: return ($$awardref[$i],$$msgref[$i]); 384: } 385: } 386: return(undef,undef); 387: } 388: 389: sub valid_award { 390: my ($award) =@_; 391: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR', 392: 'NO_RESPONSE', 393: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR', 394: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE', 395: 'UNIT_FAIL', 'NO_UNIT', 396: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 397: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 398: 'MISORDERED_RANK', 'INVALID_FILETYPE', 399: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE', 400: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') { 401: if ($award eq $possibleaward) { return 1; } 402: } 403: return 0; 404: } 405: 406: sub finalizeawards { 407: my ($awardref,$msgref,$nameref,$reverse)=@_; 408: my $result=undef; 409: my $award; 410: my $msg; 411: if ($#$awardref == -1) { $result = "NO_RESPONSE"; } 412: if ($result eq '' ) { 413: my $blankcount; 414: foreach $award (@$awardref) { 415: if ($award eq '') { 416: $result='MISSING_ANSWER'; 417: $blankcount++; 418: } 419: } 420: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; } 421: } 422: if (defined($result)) { return ($result,$msg); } 423: 424: # these awards are ordered from most important error through best correct 425: 426: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE', 427: 'TOO_LONG', 428: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT', 429: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT', 430: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 431: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK', 432: 'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE', 433: 'APPROX_ANS', 'EXACT_ANS'); 434: if ($reverse) { @awards=reverse(@awards); } 435: foreach my $possibleaward (@awards) { 436: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref); 437: if (defined($result)) { return ($result,$msg); } 438: } 439: return ('ERROR',undef); 440: } 441: 442: sub decideoutput { 443: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_; 444: my $message=''; 445: my $button=0; 446: my $previousmsg; 447: my $bgcolor='orange'; 448: my $added_computer_text=0; 449: my %possiblecolors = 450: ( 'correct' => '#aaffaa', 451: 'charged_try' => '#ffaaaa', 452: 'not_charged_try' => '#ffffaa', 453: 'no_message' => '#fffff', 454: ); 455: 456: my $part = $Apache::inputtags::part; 457: my $handgrade = 458: ('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade"))); 459: 460: my $computer = ($handgrade)? '' 461: : " ".&mt("Computer's answer now shown above."); 462: &Apache::lonxml::debug("handgrade has :$handgrade:"); 463: 464: if ($previous) { $previousmsg=&mt('You have entered that answer before'); } 465: 466: if ($solved =~ /^correct/) { 467: $bgcolor=$possiblecolors{'correct'}; 468: $message=&mt('You are correct.'); 469: if ($awarded < 1 && $awarded > 0) { 470: $message=&mt('You are partially correct.'); 471: $bgcolor=$possiblecolors{'not_charged_try'}; 472: } elsif ($awarded < 1) { 473: $message=&mt('Incorrect.'); 474: $bgcolor=$possiblecolors{'charged_try'}; 475: } 476: if ($env{'request.filename'} =~ 477: m|/res/lib/templates/examupload.problem$|) { 478: $message = &mt("A score has been assigned."); 479: $added_computer_text=1; 480: } else { 481: if ($target eq 'tex') { 482: $message = '\textbf{'.$message.'}'; 483: } else { 484: $message = "<b>".$message."</b>"; 485: $message.= $computer; 486: } 487: $added_computer_text=1; 488: unless ($env{'course.'. 489: $env{'request.course.id'}. 490: '.disable_receipt_display'} eq 'yes') { 491: $message.=(($target eq 'web')?'<br />':' '). 492: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part). 493: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''); 494: } 495: } 496: $button=0; 497: $previousmsg=''; 498: } elsif ($solved =~ /^excused/) { 499: if ($target eq 'tex') { 500: $message = ' \textbf{'.&mt('You are excused from the problem.').'} '; 501: } else { 502: $message = "<b>".&mt('You are excused from the problem.')."</b>"; 503: } 504: $bgcolor=$possiblecolors{'charged_try'}; 505: $button=0; 506: $previousmsg=''; 507: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) { 508: if ($solved =~ /^incorrect/ || $solved eq '') { 509: $message = &mt("Incorrect")."."; 510: $bgcolor=$possiblecolors{'charged_try'}; 511: $button=1; 512: } else { 513: if ($target eq 'tex') { 514: $message = '\textbf{'.&mt('You are correct.').'}'; 515: } else { 516: $message = "<b>".&mt('You are correct.')."</b>"; 517: $message.= $computer; 518: } 519: $added_computer_text=1; 520: unless ($env{'course.'. 521: $env{'request.course.id'}. 522: '.disable_receipt_display'} eq 'yes') { 523: $message.=(($target eq 'web')?'<br />':' '). 524: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part). 525: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''); 526: } 527: $bgcolor=$possiblecolors{'correct'}; 528: $button=0; 529: $previousmsg=''; 530: } 531: } elsif ($award eq 'NO_RESPONSE') { 532: $message = ''; 533: $bgcolor=$possiblecolors{'no_feedback'}; 534: $button=1; 535: } elsif ($award eq 'EXTRA_ANSWER') { 536: $message = &mt('Some extra items were submitted.'); 537: $bgcolor=$possiblecolors{'not_charged_try'}; 538: $button = 1; 539: } elsif ($award eq 'MISSING_ANSWER') { 540: $message = &mt('Some items were not submitted.'); 541: $bgcolor=$possiblecolors{'not_charged_try'}; 542: $button = 1; 543: } elsif ($award eq 'ERROR') { 544: $message = &mt('An error occured while grading your answer.'); 545: $bgcolor=$possiblecolors{'not_charged_try'}; 546: $button = 1; 547: } elsif ($award eq 'TOO_LONG') { 548: $message = &mt("The submitted answer was too long."); 549: $bgcolor=$possiblecolors{'not_charged_try'}; 550: $button=1; 551: } elsif ($award eq 'WANTED_NUMERIC') { 552: $message = &mt("This question expects a numeric answer."); 553: $bgcolor=$possiblecolors{'not_charged_try'}; 554: $button=1; 555: } elsif ($award eq 'MISORDERED_RANK') { 556: $message = &mt('You have provided an invalid ranking'); 557: if ($target ne 'tex') { 558: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems'); 559: } 560: $bgcolor=$possiblecolors{'not_charged_try'}; 561: $button=1; 562: } elsif ($award eq 'INVALID_FILETYPE') { 563: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.'); 564: $bgcolor=$possiblecolors{'not_charged_try'}; 565: $button=1; 566: } elsif ($award eq 'SIG_FAIL') { 567: my ($used,$min,$max)=split(':',$awardmsg); 568: my $word; 569: if ($used < $min) { $word=&mt('more'); } 570: if ($used > $max) { $word=&mt('fewer'); } 571: $message = &mt("Submission not graded. Use [_2] digits.",$used,$word); 572: $bgcolor=$possiblecolors{'not_charged_try'}; 573: $button=1; 574: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') { 575: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg); 576: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 577: $bgcolor=$possiblecolors{'not_charged_try'}; 578: $button=1; 579: } elsif ($award eq 'UNIT_INVALID_STUDENT') { 580: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target)); 581: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 582: $bgcolor=$possiblecolors{'not_charged_try'}; 583: $button=1; 584: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') { 585: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target)); 586: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 587: $bgcolor=$possiblecolors{'not_charged_try'}; 588: $button=1; 589: } elsif ($award eq 'UNIT_NOTNEEDED') { 590: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target)); 591: $bgcolor=$possiblecolors{'not_charged_try'}; 592: $button=1; 593: } elsif ($award eq 'NO_UNIT') { 594: $message = &mt("Units required").'.'; 595: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')}; 596: $bgcolor=$possiblecolors{'not_charged_try'}; 597: $button=1; 598: } elsif ($award eq 'COMMA_FAIL') { 599: $message = &mt("Proper comma separation is required").'.'; 600: $bgcolor=$possiblecolors{'not_charged_try'}; 601: $button=1; 602: } elsif ($award eq 'BAD_FORMULA') { 603: $message = &mt("Unable to understand formula"); 604: $bgcolor=$possiblecolors{'not_charged_try'}; 605: $button=1; 606: } elsif ($award eq 'INCORRECT') { 607: $message = &mt("Incorrect").'.'; 608: $bgcolor=$possiblecolors{'charged_try'}; 609: $button=1; 610: } elsif ($award eq 'SUBMITTED') { 611: $message = &mt("Your submission has been recorded."); 612: $bgcolor=$possiblecolors{'correct'}; 613: $button=1; 614: } elsif ($award eq 'DRAFT') { 615: $message = &mt("A draft copy has been saved."); 616: $bgcolor=$possiblecolors{'not_charged_try'}; 617: $button=1; 618: } elsif ($award eq 'ASSIGNED_SCORE') { 619: $message = &mt("A score has been assigned."); 620: $bgcolor=$possiblecolors{'correct'}; 621: $button=0; 622: } elsif ($award eq '') { 623: $bgcolor=$possiblecolors{'not_charged_try'}; 624: $button=1; 625: } else { 626: $message = &mt("Unknown message").": $award"; 627: $button=1; 628: } 629: if (lc($Apache::lonhomework::problemstatus) eq 'no' && 630: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') { 631: $message = &mt("Answer Submitted: Your final submission will be graded after the due date."); 632: $bgcolor=$possiblecolors{'correct'}; 633: $button=1; 634: } 635: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 636: !$added_computer_text && $target ne 'tex') { 637: $message.= $computer; 638: $added_computer_text=1; 639: } 640: return ($button,$bgcolor,$message,$previousmsg); 641: } 642: 643: sub markup_unit { 644: my ($unit,$target)=@_; 645: if ($target eq 'tex') { 646: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 647: } else { 648: return "<tt>".$unit."</tt>"; 649: } 650: } 651: 652: sub removealldata { 653: my ($id)=@_; 654: foreach my $key (keys(%Apache::lonhomework::results)) { 655: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) { 656: &Apache::lonxml::debug("Removing $key"); 657: delete($Apache::lonhomework::results{$key}); 658: } 659: } 660: } 661: 662: sub hidealldata { 663: my ($id)=@_; 664: foreach my $key (keys(%Apache::lonhomework::results)) { 665: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) { 666: &Apache::lonxml::debug("Hidding $key"); 667: my $newkey=$key; 668: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/; 669: $Apache::lonhomework::results{$newkey}= 670: $Apache::lonhomework::results{$key}; 671: delete($Apache::lonhomework::results{$key}); 672: } 673: } 674: } 675: 676: sub setgradedata { 677: my ($award,$msg,$id,$previously_used) = @_; 678: if ($Apache::lonhomework::scantronmode && 679: &Apache::lonnet::validCODE($env{'form.CODE'})) { 680: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'}; 681: } elsif ($Apache::lonhomework::scantronmode && 682: $env{'form.CODE'} eq '' && 683: $Apache::lonhomework::history{"resource.CODE"} ne '') { 684: $Apache::lonhomework::results{"resource.CODE"}=''; 685: } 686: 687: if (!$Apache::lonhomework::scantronmode && 688: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' && 689: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') { 690: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award; 691: return ''; 692: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~ 693: /^correct/ || $Apache::lonhomework::scantronmode || 694: lc($Apache::lonhomework::problemstatus) eq 'no') { 695: # the student doesn't already have it correct, 696: # or we are in a mode (scantron orno problem status) where a correct 697: # can become incorrect 698: # handle assignment of tries and solved status 699: my $solvemsg; 700: if ($Apache::lonhomework::scantronmode) { 701: $solvemsg='correct_by_scantron'; 702: } else { 703: $solvemsg='correct_by_student'; 704: } 705: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) { 706: $Apache::lonhomework::results{"resource.$id.afterduedate"}=''; 707: } 708: if ( $award eq 'ASSIGNED_SCORE') { 709: $Apache::lonhomework::results{"resource.$id.tries"} = 710: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 711: $Apache::lonhomework::results{"resource.$id.solved"} = 712: $solvemsg; 713: my $numawards=scalar(@Apache::inputtags::response); 714: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 715: foreach my $res (@Apache::inputtags::response) { 716: $Apache::lonhomework::results{"resource.$id.awarded"}+= 717: $Apache::lonhomework::results{"resource.$id.$res.awarded"}; 718: } 719: if ($numawards > 0) { 720: $Apache::lonhomework::results{"resource.$id.awarded"}/= 721: $numawards; 722: } 723: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) { 724: $Apache::lonhomework::results{"resource.$id.tries"} = 725: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 726: $Apache::lonhomework::results{"resource.$id.solved"} = 727: $solvemsg; 728: $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; 729: } elsif ( $award eq 'INCORRECT' ) { 730: $Apache::lonhomework::results{"resource.$id.tries"} = 731: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 732: if (lc($Apache::lonhomework::problemstatus) eq 'no' || 733: $Apache::lonhomework::scantronmode) { 734: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 735: } 736: $Apache::lonhomework::results{"resource.$id.solved"} = 737: 'incorrect_attempted'; 738: } elsif ( $award eq 'SUBMITTED' ) { 739: $Apache::lonhomework::results{"resource.$id.tries"} = 740: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 741: $Apache::lonhomework::results{"resource.$id.solved"} = 742: 'ungraded_attempted'; 743: } elsif ( $award eq 'DRAFT' ) { 744: $Apache::lonhomework::results{"resource.$id.solved"} = ''; 745: } elsif ( $award eq 'NO_RESPONSE' ) { 746: #no real response so delete any data that got stored 747: &removealldata($id); 748: return ''; 749: } else { 750: $Apache::lonhomework::results{"resource.$id.solved"} = 751: 'incorrect_attempted'; 752: if (lc($Apache::lonhomework::problemstatus) eq 'no' || 753: $Apache::lonhomework::scantronmode) { 754: $Apache::lonhomework::results{"resource.$id.tries"} = 755: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 756: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 757: } 758: } 759: if (defined($msg)) { 760: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg; 761: } 762: # did either of the overall awards chage? If so ignore the 763: # previous check 764: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq 765: $Apache::lonhomework::history{"resource.$id.awarded"}) && 766: ($Apache::lonhomework::results{"resource.$id.solved"} eq 767: $Apache::lonhomework::history{"resource.$id.solved"})) { 768: # check if this was a previous submission if it was delete the 769: # unneeded data and update the previously_used attribute 770: if ( $previously_used eq 'PREVIOUSLY_USED') { 771: if (lc($Apache::lonhomework::problemstatus) ne 'no') { 772: delete($Apache::lonhomework::results{"resource.$id.tries"}); 773: $Apache::lonhomework::results{"resource.$id.previous"} = '1'; 774: } 775: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') { 776: #delete all data as they student didn't do anything, but save 777: #the list of collaborators. 778: &removealldata($id); 779: #and since they didn't do anything we were never here 780: return ''; 781: } else { 782: $Apache::lonhomework::results{"resource.$id.previous"} = '0'; 783: } 784: } 785: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~ 786: /^correct/ ) { 787: #delete all data as they student already has it correct 788: &removealldata($id); 789: #and since they didn't do anything we were never here 790: return ''; 791: } 792: $Apache::lonhomework::results{"resource.$id.award"} = $award; 793: } 794: 795: sub grade { 796: my ($target) = @_; 797: my $id = $Apache::inputtags::part; 798: my $response=''; 799: if ( defined $env{'form.submitted'}) { 800: my (@awards,@msgs); 801: foreach $response (@Apache::inputtags::response) { 802: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail"); 803: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"}; 804: &Apache::lonxml::debug("keeping $value from $response for $id"); 805: push (@awards,$value); 806: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"}; 807: &Apache::lonxml::debug("got message $value from $response for $id"); 808: push (@msgs,$value); 809: } 810: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs); 811: my $previously_used; 812: if ( $#Apache::inputtags::previous eq $#awards ) { 813: my $match=0; 814: my @matches; 815: foreach my $versionar (@Apache::inputtags::previous_version) { 816: foreach my $version (@$versionar) { 817: $matches[$version]++; 818: } 819: } 820: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}} 821: if ($match) { 822: $previously_used = 'PREVIOUSLY_LAST'; 823: foreach my $value (@Apache::inputtags::previous) { 824: if ($value eq 'PREVIOUSLY_USED' ) { 825: $previously_used = $value; 826: last; 827: } 828: } 829: } 830: } 831: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg"); 832: &setgradedata($finalaward,$msg,$id,$previously_used); 833: } 834: return ''; 835: } 836: 837: sub gradestatus { 838: my ($id,$target) = @_; 839: my $showbutton = 1; 840: my $bgcolor = ''; 841: my $message = ''; 842: my $latemessage = ''; 843: my $trystr=''; 844: my $button=''; 845: my $previousmsg=''; 846: 847: my $status = $Apache::inputtags::status['-1']; 848: &Apache::lonxml::debug("gradestatus has :$status:"); 849: if ( $status ne 'CLOSED' 850: && $status ne 'UNAVAILABLE' 851: && $status ne 'INVALID_ACCESS' 852: && $status ne 'NEEDS_CHECKIN' 853: && $status ne 'NOT_IN_A_SLOT') { 854: my $award = $Apache::lonhomework::history{"resource.$id.award"}; 855: my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"}; 856: my $solved = $Apache::lonhomework::history{"resource.$id.solved"}; 857: my $previous = $Apache::lonhomework::history{"resource.$id.previous"}; 858: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"}; 859: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg"); 860: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') { 861: &Apache::lonxml::debug('Getting message'); 862: ($showbutton,$bgcolor,$message,$previousmsg) = 863: &decideoutput($award,$awarded,$awardmsg,$solved,$previous, 864: $target); 865: if ($target eq 'tex') { 866: $message='\vskip 2 mm '.$message.' '; 867: } else { 868: $message="<td bgcolor=\"$bgcolor\">$message</td>"; 869: if ($previousmsg) { 870: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>"; 871: } 872: } 873: } 874: my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; 875: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); 876: &Apache::lonxml::debug("got maxtries of :$maxtries:"); 877: #if tries are set to negative turn off the Tries/Button and messages 878: if (defined($maxtries) && $maxtries < 0) { return ''; } 879: if ( $tries eq '' ) { $tries = '0'; } 880: if ( $maxtries eq '' ) { $maxtries = '2'; } 881: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 882: my $tries_text=&mt('Tries'); 883: if ( $Apache::lonhomework::type eq 'survey' || 884: $Apache::lonhomework::parsing_a_task) { 885: $tries_text=&mt('Submissions'); 886: } 887: if ( $showbutton ) { 888: if ($target eq 'tex') { 889: if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') { 890: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm '; 891: } else { 892: $trystr = '\vskip 0 mm '; 893: } 894: } else { 895: $trystr = "<td><nobr>".$tries_text." $tries"; 896: if ($Apache::lonhomework::parsing_a_task) { 897: } elsif($env{'request.state'} ne 'construct') { 898: $trystr.="/$maxtries"; 899: } else { 900: if (defined($Apache::inputtags::params{'maxtries'})) { 901: $trystr.="/".$Apache::inputtags::params{'maxtries'}; 902: } 903: } 904: $trystr.="</nobr></td>"; 905: } 906: } 907: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;} 908: if ( $showbutton ) { 909: if ($target ne 'tex') { 910: $button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />'; 911: } 912: } 913: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) { 914: #last submissions was after due date 915: $latemessage=&mt(' The last submission was after the Due Date ');; 916: if ($target eq 'web') { 917: $latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>'; 918: } 919: } 920: } 921: my $output= $previousmsg.$latemessage.$message.$trystr; 922: if ($output =~ /^\s*$/) { 923: return $button; 924: } else { 925: if ($target eq 'tex') { 926: return $button.' \vskip 0 mm '.$output.' '; 927: } else { 928: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>'; 929: } 930: } 931: } 932: 1; 933: __END__ 934: