loncom/homework/inputtags.pm - view

File: [LON-CAPA] / loncom / homework / inputtags.pm
Revision 1.266: download - view: text, annotated - select for diffs
Sat Aug 7 19:24:03 2010 UTC (13 years, 9 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Eliminate routines no longer needed following switch from FCKEditor 2 to CKEdi
tor 3
- Eliminate checking for environment.wysiwygeditor (no longer used).
- Access to "Richtext" editor available via link on each textarea for which it is
  to be made available.
- When editing an HTML document provide "Edit Math" button to allow
  insertion of TeX within the textarea. Button is hidden if Richtext editor in use.
- Additional tags permitted by clear_out_html() - <pre> and <chem>.

1: # The LearningOnline Network with CAPA 2: # input definitons 3: # 4: # $Id: inputtags.pm,v 1.266 2010/08/07 19:24:03 raeburn 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: =pod 29: 30: =head1 NAME 31: 32: Apache::inputtags 33: 34: =head1 SYNOPSIS 35: 36: 37: 38: This is part of the LearningOnline Network with CAPA project 39: described at http://www.lon-capa.org. 40: 41: 42: =head1 NOTABLE SUBROUTINES 43: 44: =over 45: 46: =item 47: 48: =back 49: 50: =cut 51: 52: package Apache::inputtags; 53: use HTML::Entities(); 54: use strict; 55: use Apache::loncommon; 56: use Apache::lonhtmlcommon; 57: use Apache::lonlocal; 58: use Apache::lonnet; 59: use LONCAPA; 60: 61: 62: BEGIN { 63: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline')); 64: } 65: 66: =pod 67: 68: =item initialize_inputtags() 69: 70: Initializes a set of global variables used during the parse of the problem. 71: 72: @Apache::inputtags::input - List of current input ids. 73: @Apache::inputtags::inputlist - List of all input ids seen this problem. 74: @Apache::inputtags::response - List of all current resopnse ids. 75: @Apache::inputtags::responselist - List of all response ids seen this 76: problem. 77: @Apache::inputtags::hint - List of all hint ids. 78: @Apache::inputtags::hintlist - List of all hint ids seen this problem. 79: @Apache::inputtags::previous - List describing if specific responseds 80: have been used 81: @Apache::inputtags::previous_version - Submission responses were used in. 82: $Apache::inputtags::part - Current part id (valid only in 83: <problem>) 84: 0 if not in a part. 85: @Apache::inputtags::partlist - List of part ids seen in the current 86: <problem> 87: @Apache::inputtags::status - List of problem statuses. First 88: element is the status of the <problem> 89: the remainder are for individual <part>s. 90: %Apache::inputtags::params - Hash of defined parameters for the 91: current response. 92: @Apache::inputtags::import - List of all ids for <import> thes get 93: join()ed and prepended. 94: @Apache::inputtags::importlist - List of all import ids seen. 95: $Apache::inputtags::response_with_no_part 96: - Flag set true if we have seen a response 97: that is not inside a <part> 98: %Apache::inputtags::answertxt - <*response> tags store correct 99: answer strings for display by <textline/> 100: in this hash. 101: %Apache::inputtags::submission_display 102: - <*response> tags store improved display 103: of submission strings for display by part 104: end. 105: 106: =cut 107: 108: sub initialize_inputtags { 109: @Apache::inputtags::input=(); 110: @Apache::inputtags::inputlist=(); 111: @Apache::inputtags::response=(); 112: @Apache::inputtags::responselist=(); 113: @Apache::inputtags::hint=(); 114: @Apache::inputtags::hintlist=(); 115: @Apache::inputtags::previous=(); 116: @Apache::inputtags::previous_version=(); 117: $Apache::inputtags::part=''; 118: @Apache::inputtags::partlist=(); 119: @Apache::inputtags::status=(); 120: %Apache::inputtags::params=(); 121: @Apache::inputtags::import=(); 122: @Apache::inputtags::importlist=(); 123: $Apache::inputtags::response_with_no_part=0; 124: %Apache::inputtags::answertxt=(); 125: %Apache::inputtags::submission_display=(); 126: } 127: 128: sub check_for_duplicate_ids { 129: my %check; 130: foreach my $id (@Apache::inputtags::partlist, 131: @Apache::inputtags::responselist, 132: @Apache::inputtags::hintlist, 133: @Apache::inputtags::importlist) { 134: $check{$id}++; 135: } 136: my @duplicates; 137: foreach my $id (sort(keys(%check))) { 138: if ($check{$id} > 1) { 139: push(@duplicates,$id); 140: } 141: } 142: if (@duplicates) { 143: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates)); 144: } 145: } 146: 147: sub start_input { 148: my ($parstack,$safeeval)=@_; 149: my $id = &Apache::lonxml::get_id($parstack,$safeeval); 150: push (@Apache::inputtags::input,$id); 151: push (@Apache::inputtags::inputlist,$id); 152: return $id; 153: } 154: 155: sub end_input { 156: pop @Apache::inputtags::input; 157: return ''; 158: } 159: 160: sub addchars { 161: my ($fieldid,$addchars)=@_; 162: my $output=''; 163: foreach (split(/\,/,$addchars)) { 164: $output.='<a href="javascript:void(document.forms.lonhomework.'. 165: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> '; 166: } 167: return $output; 168: } 169: 170: sub start_textfield { 171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 172: my $result = ""; 173: my $id = &start_input($parstack,$safeeval); 174: my $resid=$Apache::inputtags::response[-1]; 175: if ($target eq 'web') { 176: $Apache::lonxml::evaluate--; 177: my $partid=$Apache::inputtags::part; 178: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"'); 179: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 180: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 181: if ( $cols eq '') { $cols = 80; } 182: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 183: if ( $rows eq '') { $rows = 16; } 184: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 185: $result=''; 186: if ($addchars) { 187: $result.=&addchars('HWVAL_'.$resid,$addchars); 188: } 189: $result .= &Apache::lonhtmlcommon::htmlareaselectactive(); 190: my $textareaclass = 'class="LC_richDetectHtml"'; 191: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '. 192: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass.'>'. 193: $oldresponse; 194: if ($oldresponse ne '') { 195: 196: #get rid of any startup text if the user has already responded 197: &Apache::lonxml::get_all_text("/textfield",$parser,$style); 198: } 199: } else { 200: #show past answer in the essayresponse case 201: if ($oldresponse =~ /\S/ 202: && &Apache::londefdef::is_inside_of($tagstack, 203: 'essayresponse') ) { 204: $result='<table class="LC_pastsubmission"><tr><td>'. 205: $oldresponse.'</td></tr></table>'; 206: } 207: #get rid of any startup text 208: &Apache::lonxml::get_all_text("/textfield",$parser,$style); 209: } 210: } elsif ($target eq 'grade') { 211: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser, 212: $style); 213: if ($seedtext eq $env{'form.HWVAL_'.$resid}) { 214: # if the seed text is still there it wasn't a real submission 215: $env{'form.HWVAL_'.$resid}=''; 216: } 217: } elsif ($target eq 'edit') { 218: $result.=&Apache::edit::tag_start($target,$token); 219: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4); 220: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4); 221: $result.=&Apache::edit::text_arg 222: ('Click-On Texts (comma sep):','addchars',$token,10); 223: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser, 224: $style); 225: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2); 226: } elsif ($target eq 'modified') { 227: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 228: $safeeval,'rows','cols', 229: 'addchars'); 230: if ($constructtag) { 231: $result = &Apache::edit::rebuild_tag($token); 232: } else { 233: $result=$token->[4]; 234: } 235: $result.=&Apache::edit::modifiedfield("/textfield",$parser); 236: } elsif ($target eq 'tex') { 237: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval); 238: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval); 239: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') { 240: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{'; 241: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 242: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}'; 243: } else { 244: my $TeXwidth=$width_of_box/80; 245: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{'; 246: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';} 247: $result.='}}}\vskip 2 mm '; 248: } 249: } 250: return $result; 251: } 252: 253: sub end_textfield { 254: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 255: my $result; 256: if ($target eq 'web') { 257: $Apache::lonxml::evaluate++; 258: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 259: return "</textarea>"; 260: } 261: } elsif ($target eq 'edit') { 262: $result=&Apache::edit::end_table(); 263: } 264: &end_input; 265: return $result; 266: } 267: 268: sub exam_score_line { 269: my ($target) = @_; 270: 271: my $result; 272: if ($target eq 'tex') { 273: my $repetition = &Apache::response::repetition(); 274: $result.='\begin{enumerate}'; 275: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';} 276: foreach my $i (0..$repetition-1) { 277: $result.='\item[\textbf{'. 278: ($Apache::lonxml::counter+$i). 279: '}.]\textit{Leave blank on scoring form}\vskip 0 mm'; 280: } 281: $result.= '\end{enumerate}'; 282: } 283: 284: return $result; 285: } 286: 287: sub exam_box { 288: my ($target) = @_; 289: my $result; 290: 291: if ($target eq 'tex') { 292: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}'; 293: $result .= &exam_score_line($target); 294: } elsif ($target eq 'web') { 295: my $id=$Apache::inputtags::response[-1]; 296: $result.= '<br /><br /> 297: <textarea name="HWVAL_'.$id.'" rows="4" cols="50"> 298: </textarea> <br /><br />'; 299: } 300: return $result; 301: } 302: 303: sub needs_exam_box { 304: my ($tagstack) = @_; 305: my @tags = ('formularesponse', 306: 'stringresponse', 307: 'reactionresponse', 308: 'organicresponse', 309: ); 310: 311: foreach my $tag (@tags) { 312: if (grep(/\Q$tag\E/,@$tagstack)) { 313: return 1; 314: } 315: } 316: return 0; 317: } 318: 319: sub start_textline { 320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 321: my $result = ""; 322: my $input_id = &start_input($parstack,$safeeval); 323: if ($target eq 'web') { 324: $Apache::lonxml::evaluate--; 325: my $partid=$Apache::inputtags::part; 326: my $id=$Apache::inputtags::response[-1]; 327: if (!&Apache::response::show_answer()) { 328: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 329: my $maxlength; 330: if ($size eq '') { $size=20; } else { 331: if ($size < 20) { 332: $maxlength = ' maxlength="'.$size.'"'; 333: } 334: } 335: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"}; 336: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse)); 337: 338: if (ref($oldresponse) eq 'ARRAY') { 339: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist]; 340: } 341: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"'); 342: $oldresponse =~ s/^\s+//; 343: $oldresponse =~ s/\s+$//; 344: $oldresponse =~ s/\s+/ /g; 345: if ($Apache::lonhomework::type ne 'exam') { 346: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); 347: $result=''; 348: if ($addchars) { 349: $result.=&addchars('HWVAL_'.$id,$addchars); 350: } 351: my $readonly=&Apache::lonxml::get_param('readonly',$parstack, 352: $safeeval); 353: if (lc($readonly) eq 'yes' 354: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') { 355: $readonly=' readonly="readonly" '; 356: } else { 357: $readonly=''; 358: } 359: my $name = 'HWVAL_'.$id; 360: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') { 361: $name = "none"; 362: } 363: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'. 364: $oldresponse.'" size="'.$size.'"'.$maxlength.' />'; 365: } 366: if ($Apache::lonhomework::type eq 'exam' 367: && &needs_exam_box($tagstack)) { 368: $result.=&exam_box($target); 369: } 370: } else { 371: #right or wrong don't show what was last typed in. 372: my $count = scalar(@Apache::inputtags::inputlist)-1; 373: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>'; 374: #$result=''; 375: } 376: } elsif ($target eq 'edit') { 377: $result=&Apache::edit::tag_start($target,$token); 378: $result.=&Apache::edit::text_arg('Size:','size',$token,'5'). 379: &Apache::edit::text_arg('Click-On Texts (comma sep):', 380: 'addchars',$token,10); 381: $result.=&Apache::edit::select_arg('Readonly:','readonly', 382: ['no','yes'],$token); 383: $result.=&Apache::edit::end_row(); 384: $result.=&Apache::edit::end_table(); 385: } elsif ($target eq 'modified') { 386: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 387: $safeeval,'size', 388: 'addchars','readonly'); 389: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 390: } elsif ($target eq 'tex' 391: && $Apache::lonhomework::type ne 'exam') { 392: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); 393: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';} 394: if ($env{'form.pdfFormFields'} eq 'yes' 395: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 396: my $fieldname = $env{'request.symb'}. 397: '&part_'. $Apache::inputtags::part. 398: '&textresponse'. 399: '&HWVAL_' . $Apache::inputtags::response['-1']; 400: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}'; 401: } else { 402: $result='\framebox['.$size.'][s]{\tiny\strut}'; 403: } 404: } elsif ($target eq 'tex' 405: && $Apache::lonhomework::type eq 'exam' 406: && &needs_exam_box($tagstack)) { 407: $result.=&exam_box($target); 408: } 409: return $result; 410: } 411: 412: sub end_textline { 413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 414: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 415: elsif ($target eq 'edit') { return ('','no'); } 416: &end_input(); 417: return ""; 418: } 419: 420: sub start_hiddenline { 421: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 422: my $result = ""; 423: my $input_id = &start_input($parstack,$safeeval); 424: if ($target eq 'web') { 425: $Apache::lonxml::evaluate--; 426: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 427: my $partid=$Apache::inputtags::part; 428: my $id=$Apache::inputtags::response[-1]; 429: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"}; 430: if (ref($oldresponse) eq 'ARRAY') { 431: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist]; 432: } 433: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"'); 434: 435: if ($Apache::lonhomework::type ne 'exam') { 436: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'. 437: $oldresponse.'" />'; 438: } 439: } 440: } elsif ($target eq 'edit') { 441: $result=&Apache::edit::tag_start($target,$token); 442: $result.=&Apache::edit::end_table; 443: } 444: 445: if ( ($target eq 'web' || $target eq 'tex') 446: && $Apache::lonhomework::type eq 'exam' 447: && &needs_exam_box($tagstack)) { 448: $result.=&exam_box($target); 449: } 450: return $result; 451: } 452: 453: sub end_hiddenline { 454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; 455: if ($target eq 'web') { $Apache::lonxml::evaluate++; } 456: elsif ($target eq 'edit') { return ('','no'); } 457: &end_input(); 458: return ""; 459: } 460: 461: =pod 462: 463: =item file_selector() 464: 465: $part -> partid 466: $id -> responseid 467: $uploadefiletypes -> comma seperated list of extensions allowed or * for any 468: $which -> 'uploadonly' -> only newly uploaded files 469: 'portfolioonly' -> only allow files from portfolio 470: 'both' -> allow files from either location 471: $extratext -> additional text to go between the link and the input box 472: $maxfilesize -> maximum cumulative filesize for submitted files (in MB). 473: returns a table row <tr> 474: 475: =cut 476: 477: sub file_selector { 478: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_; 479: if (!$uploadedfiletypes) { return ''; } 480: 481: my $jspart=$part; 482: $jspart=~s/\./_/g; 483: 484: my $result; 485: my $current_files_display = &current_file_submissions($part,$id); 486: my $addfiles; 487: if ($current_files_display) { 488: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files:')). 489: $current_files_display. 490: &Apache::lonhtmlcommon::row_closure(); 491: $addfiles = &mt('Submit other file(s)'); 492: } else { 493: $addfiles = &mt('Choose file(s) to submit'); 494: } 495: $result .= &Apache::lonhtmlcommon::row_title($addfiles); 496: my $constraints; 497: if ($uploadedfiletypes ne '*') { 498: $constraints = 499: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />'; 500: } 501: if ($maxfilesize) { 502: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].', 503: '<b>'.$maxfilesize.'</b>').'<br />'; 504: } 505: if ($constraints) { 506: $result .= $constraints.'<br />'; 507: } 508: if ($which eq 'uploadonly' || $which eq 'both') { 509: $result.=&mt('Submit a file: (only one file per submission)'). 510: ' <br /><input type="file" size="50" name="HWFILE'. 511: $jspart.'_'.$id.'" /><br />'; 512: } 513: if ( $which eq 'both') { 514: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />'; 515: } 516: if ($which eq 'portfolioonly' || $which eq 'both') { 517: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'. 518: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'. 519: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'. 520: '<br />'; 521: 522: } 523: $result.=&Apache::lonhtmlcommon::row_closure(1); 524: return $result; 525: } 526: 527: sub current_file_submissions { 528: my ($part,$id) = @_; 529: my $jspart=$part; 530: $jspart=~s/\./_/g; 531: my $uploadedfile=&HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"'); 532: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"}; 533: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/)); 534: my $header = &Apache::loncommon::start_data_table(). 535: &Apache::loncommon::start_data_table_header_row(). 536: '<th>'.&mt('Delete?').'</th>'. 537: '<th>'.&mt('Name').'</th>'. 538: '<th>'.&mt('Size (MB)').'</th>'. 539: '<th>'.&mt('Last Modified').'</th>'. 540: &Apache::loncommon::end_data_table_header_row(); 541: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser(); 542: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/); 543: my ($result,$header_shown,%okfiles,%rows,@bad_file_list); 544: if ($uploadedfile) { 545: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}; 546: my ($path,$name) = ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E/(essayresponse/.+/)([^/]+))}); 547: my ($status,$hashref,$error) = 548: &current_file_info($url,$uploadedfile,$name,$path); 549: if ($status eq 'ok') { 550: push(@{$okfiles{$name}},$url); 551: $rows{$url} = $hashref; 552: &Apache::lonxml::extlink($url); 553: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url); 554: } else { 555: push(@bad_file_list,$error); 556: } 557: } 558: if ($portfiles =~ /[^\s]/) { 559: my $prefix = "/uploaded/$udom/$uname/portfolio"; 560: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) { 561: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$}); 562: my $url = $prefix.$path.$name; 563: my $uploadedfile = &HTML::Entities::encode($url,'<>&"'); 564: my ($status,$hashref,$error) = 565: &current_file_info($url,$uploadedfile,$name,$path); 566: if ($status eq 'ok') { 567: push(@{$okfiles{$name}},$url); 568: $rows{$url} = $hashref; 569: } else { 570: push(@bad_file_list,$error); 571: } 572: } 573: } 574: foreach my $name (sort(keys(%okfiles))) { 575: if (ref($okfiles{$name}) eq 'ARRAY') { 576: foreach my $url (@{$okfiles{$name}}) { 577: if (ref($rows{$url}) eq 'HASH') { 578: my $link = $rows{$url}{link}; 579: my $portfile = $rows{$url}{path}.$rows{$url}{name}; 580: $portfile = &HTML::Entities::encode($portfile,'<>&"'); 581: if ($link) { 582: my $icon=&Apache::loncommon::icon($url); 583: unless ($header_shown) { 584: $result .= $header; 585: $header_shown = 1; 586: } 587: $result.= 588: &Apache::loncommon::start_data_table_row()."\n". 589: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete" value="'. 590: $portfile.'" /></td>'."\n". 591: '<td><a href="'.$link.'"><img src="'.$icon. 592: '" border="0" />'.$name.'</a></td>'."\n". 593: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n". 594: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n". 595: &Apache::loncommon::end_data_table_row(); 596: } 597: } 598: } 599: } 600: } 601: if ($header_shown) { 602: $result .= &Apache::loncommon::end_data_table(); 603: } 604: if (@bad_file_list) { 605: my $bad_files = '<span class="LC_filename">'. 606: join('</span>, <span class="LC_filename">',@bad_file_list). 607: '</span>'; 608: $result.='<p class="LC_error">'. 609: &mt("These file(s) don't exist: [_1]",$bad_files). 610: '</p>'; 611: } 612: return $result; 613: } 614: 615: sub current_file_info { 616: my ($url,$uploadedfile,$name,$path) = @_; 617: my ($status,$error,%info); 618: my @stat = &Apache::lonnet::stat_file($url); 619: if ((@stat) && ($stat[0] ne 'no_such_dir')) { 620: my ($lastmod,$size); 621: if ($stat[9] =~ /^\d+$/) { 622: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]); 623: } 624: $size = $stat[7]/(1024*1024); 625: $size = sprintf("%.3f",$size); 626: %info = ( 627: link => $uploadedfile, 628: name => $name, 629: path => $path, 630: size => $size, 631: lastmodified => $lastmod, 632: ); 633: $status = 'ok'; 634: } else { 635: &Apache::lonnet::logthis("bad file is $url"); 636: my $icon=&Apache::loncommon::icon($url); 637: $error = '<a href="'.$url.'"><img src="'.$icon. 638: '" border="0" />'.$uploadedfile.'</a>'; 639: } 640: return ($status,\%info,$error); 641: } 642: 643: sub valid_award { 644: my ($award) =@_; 645: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR', 646: 'NO_RESPONSE', 647: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR', 648: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE', 649: 'UNIT_FAIL', 'NO_UNIT', 650: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 651: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT', 652: 'MISORDERED_RANK', 'INVALID_FILETYPE', 653: 'EXCESS_FILESIZE', 'FILENAME_INUSE', 654: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT', 655: 'ANONYMOUS', 'ANONYMOUS_CREDIT', 656: 'ASSIGNED_SCORE', 'APPROX_ANS', 657: 'EXACT_ANS','COMMA_FAIL') { 658: if ($award eq $possibleaward) { return 1; } 659: } 660: return 0; 661: } 662: 663: { 664: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE', 665: 'TOO_LONG', 666: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT', 667: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT', 668: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR', 669: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK', 670: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE', 671: 'DRAFT', 'SUBMITTED', 672: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT', 673: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS'); 674: my $i=0; 675: my %fwd_awards = map { ($_,$i++) } @awards; 676: my $max=scalar(@awards); 677: @awards=reverse(@awards); 678: $i=0; 679: my %rev_awards = map { ($_,$i++) } @awards; 680: 681: sub awarddetail_to_awarded { 682: my ($awarddetail) = @_; 683: if ($awarddetail eq 'EXACT_ANS' 684: || $awarddetail eq 'APPROX_ANS') { 685: return 1; 686: } 687: return 0; 688: } 689: 690: sub hide_award { 691: my ($award) = @_; 692: if (&Apache::lonhomework::show_no_problem_status()) { 693: return 1; 694: } 695: if ($award =~ 696: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) { 697: return 1; 698: } 699: return 0; 700: } 701: 702: sub finalizeawards { 703: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_; 704: my $result; 705: if ($#$awardref == -1) { $result = "NO_RESPONSE"; } 706: if ($result eq '' ) { 707: my $blankcount; 708: foreach my $award (@$awardref) { 709: if ($award eq '') { 710: $result='MISSING_ANSWER'; 711: $blankcount++; 712: } 713: } 714: if ($blankcount == ($#$awardref + 1)) { 715: return ('NO_RESPONSE'); 716: } 717: } 718: 719: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; } 720: 721: if (!$final_scantron && defined($result)) { return ($result); } 722: 723: # if in scantron mode, if the award for any response is 724: # assigned score, then the part gets an assigned score 725: if ($final_scantron 726: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) { 727: return ('ASSIGNED_SCORE'); 728: } 729: 730: # if in scantron mode, if the award for any response is 731: # correct and there are non-correct responses, 732: # then the part gets an assigned score 733: if ($final_scantron 734: && (grep { $_ eq 'EXACT_ANS' || 735: $_ eq 'APPROX_ANS' } (@$awardref)) 736: && (grep { $_ ne 'EXACT_ANS' && 737: $_ ne 'APPROX_ANS' } (@$awardref))) { 738: return ('ASSIGNED_SCORE'); 739: } 740: # these awards are ordered from most important error through best correct 741: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ; 742: 743: my $best = $max; 744: my $j=0; 745: my $which; 746: foreach my $award (@$awardref) { 747: if ($awards->{$award} < $best) { 748: $best = $awards->{$award}; 749: $which = $j; 750: } 751: $j++; 752: } 753: 754: if (defined($which)) { 755: if (ref($nameref)) { 756: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]); 757: } else { 758: return ($$awardref[$which],$$msgref[$which]); 759: } 760: } 761: return ('ERROR',undef); 762: } 763: } 764: 765: sub decideoutput { 766: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_; 767: 768: my $message=''; 769: my $button=0; 770: my $previousmsg; 771: my $css_class='orange'; 772: my $added_computer_text=0; 773: my %possible_class = 774: ( 'correct' => 'LC_answer_correct', 775: 'charged_try' => 'LC_answer_charged_try', 776: 'not_charged_try' => 'LC_answer_not_charged_try', 777: 'no_grade' => 'LC_answer_no_grade', 778: 'no_message' => 'LC_no_message', 779: ); 780: 781: my $part = $Apache::inputtags::part; 782: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade"); 783: my $handgrade = ('yes' eq lc($tohandgrade)); 784: 785: my $computer = ($handgrade)? '' 786: : " ".&mt("Computer's answer now shown above."); 787: &Apache::lonxml::debug("handgrade has :$handgrade:"); 788: 789: if ($previous) { $previousmsg=&mt('You have entered that answer before'); } 790: 791: if ($solved =~ /^correct/) { 792: $css_class=$possible_class{'correct'}; 793: $message=&mt('You are correct.'); 794: if ($awarded < 1 && $awarded > 0) { 795: $message=&mt('You are partially correct.'); 796: $css_class=$possible_class{'not_charged_try'}; 797: } elsif ($awarded < 1) { 798: $message=&mt('Incorrect.'); 799: $css_class=$possible_class{'charged_try'}; 800: } 801: if ($env{'request.filename'} =~ 802: m|/res/lib/templates/examupload.problem$|) { 803: $message = &mt("A score has been assigned."); 804: $added_computer_text=1; 805: } else { 806: if ($target eq 'tex') { 807: $message = '\textbf{'.$message.'}'; 808: } else { 809: $message = "<b>".$message."</b>"; 810: $message.= $computer; 811: } 812: $added_computer_text=1; 813: if ($awarded > 0) { 814: my ($symb) = &Apache::lonnet::whichuser(); 815: if (($symb ne '') 816: && 817: ($env{'course.'.$env{'request.course.id'}. 818: '.disable_receipt_display'} ne 'yes') && 819: ($Apache::lonhomework::type ne 'practice')) { 820: $message.=(($target eq 'web')?'<br />':' '). 821: &mt('Your receipt no. is [_1]', 822: (&Apache::lonnet::receipt($Apache::inputtags::part). 823: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''))); 824: } 825: } 826: } 827: $button=0; 828: $previousmsg=''; 829: } elsif ($solved =~ /^excused/) { 830: if ($target eq 'tex') { 831: $message = ' \textbf{'.&mt('You are excused from the problem.').'} '; 832: } else { 833: $message = "<b>".&mt('You are excused from the problem.')."</b>"; 834: } 835: $css_class=$possible_class{'charged_try'}; 836: $button=0; 837: $previousmsg=''; 838: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) { 839: if ($solved =~ /^incorrect/ || $solved eq '') { 840: $message = &mt("Incorrect")."."; 841: $css_class=$possible_class{'charged_try'}; 842: $button=1; 843: } else { 844: if ($target eq 'tex') { 845: $message = '\textbf{'.&mt('You are correct.').'}'; 846: } else { 847: $message = "<b>".&mt('You are correct.')."</b>"; 848: $message.= $computer; 849: } 850: $added_computer_text=1; 851: if ($awarded > 0 852: && $env{'course.'. 853: $env{'request.course.id'}. 854: '.disable_receipt_display'} ne 'yes') { 855: $message.=(($target eq 'web')?'<br />':' '). 856: &mt('Your receipt is [_1]', 857: (&Apache::lonnet::receipt($Apache::inputtags::part). 858: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''))); 859: } 860: $css_class=$possible_class{'correct'}; 861: $button=0; 862: $previousmsg=''; 863: } 864: } elsif ($award eq 'NO_RESPONSE') { 865: $message = ''; 866: $css_class=$possible_class{'no_feedback'}; 867: $button=1; 868: } elsif ($award eq 'EXTRA_ANSWER') { 869: $message = &mt('Some extra items were submitted.'); 870: $css_class=$possible_class{'not_charged_try'}; 871: $button = 1; 872: } elsif ($award eq 'MISSING_ANSWER') { 873: $message = &mt('Some items were not submitted.'); 874: if ($target ne 'tex') { 875: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted'); 876: } 877: $css_class=$possible_class{'not_charged_try'}; 878: $button = 1; 879: } elsif ($award eq 'ERROR') { 880: $message = &mt('An error occurred while grading your answer.'); 881: $css_class=$possible_class{'not_charged_try'}; 882: $button = 1; 883: } elsif ($award eq 'TOO_LONG') { 884: $message = &mt("The submitted answer was too long."); 885: $css_class=$possible_class{'not_charged_try'}; 886: $button=1; 887: } elsif ($award eq 'WANTED_NUMERIC') { 888: $message = &mt("This question expects a numeric answer."); 889: $css_class=$possible_class{'not_charged_try'}; 890: $button=1; 891: } elsif ($award eq 'MISORDERED_RANK') { 892: $message = &mt('You have provided an invalid ranking.'); 893: if ($target ne 'tex') { 894: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems'))); 895: } 896: $css_class=$possible_class{'not_charged_try'}; 897: $button=1; 898: } elsif ($award eq 'EXCESS_FILESIZE') { 899: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.'); 900: $css_class=$possible_class{'not_charged_try'}; 901: $button=1; 902: } elsif ($award eq 'FILENAME_INUSE') { 903: $message = &mt('You have already uploaded a file with that filename.'); 904: if ($target eq 'tex') { 905: $message.= "\\\\\n"; 906: } else { 907: $message .= '<br />'; 908: } 909: $message .= &mt('Please use a different file name.'); 910: $css_class=$possible_class{'not_charged_try'}; 911: $button=1; 912: } elsif ($award eq 'INVALID_FILETYPE') { 913: $message = &mt("Submission won't be graded. The type of file submitted is not allowed."); 914: $css_class=$possible_class{'not_charged_try'}; 915: $button=1; 916: } elsif ($award eq 'SIG_FAIL') { 917: my ($used,$min,$max)=split(':',$awardmsg); 918: my $word = ($used < $min) ? 'more' : 'fewer'; 919: $message = &mt("Submission not graded. Use $word digits.",$used); 920: $css_class=$possible_class{'not_charged_try'}; 921: $button=1; 922: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') { 923: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg); 924: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 925: $css_class=$possible_class{'not_charged_try'}; 926: $button=1; 927: } elsif ($award eq 'UNIT_INVALID_STUDENT') { 928: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target)); 929: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 930: $css_class=$possible_class{'not_charged_try'}; 931: $button=1; 932: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') { 933: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target)); 934: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 935: $css_class=$possible_class{'not_charged_try'}; 936: $button=1; 937: } elsif ($award eq 'UNIT_NOTNEEDED') { 938: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target)); 939: $css_class=$possible_class{'not_charged_try'}; 940: $button=1; 941: } elsif ($award eq 'NO_UNIT') { 942: $message = &mt("Units required").'.'; 943: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')}; 944: $css_class=$possible_class{'not_charged_try'}; 945: $button=1; 946: } elsif ($award eq 'COMMA_FAIL') { 947: $message = &mt("Proper comma separation is required").'.'; 948: $css_class=$possible_class{'not_charged_try'}; 949: $button=1; 950: } elsif ($award eq 'BAD_FORMULA') { 951: $message = &mt("Unable to understand formula").'.'; 952: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')}; 953: $css_class=$possible_class{'not_charged_try'}; 954: $button=1; 955: } elsif ($award eq 'INTERNAL_ERROR') { 956: $message = &mt("An internal error occurred while processing your answer. Please try again later."); 957: $css_class=$possible_class{'not_charged_try'}; 958: $button=1; 959: } elsif ($award eq 'INCORRECT') { 960: $message = &mt("Incorrect").'.'; 961: $css_class=$possible_class{'charged_try'}; 962: $button=1; 963: } elsif ($award eq 'SUBMITTED') { 964: $message = &mt("Your submission has been recorded."); 965: $css_class=$possible_class{'no_grade'}; 966: $button=1; 967: } elsif ($award eq 'SUBMITTED_CREDIT') { 968: $message = &mt("Your submission has been recorded, and credit awarded."); 969: $css_class=$possible_class{'correct'}; 970: $button=1; 971: } elsif ($award eq 'ANONYMOUS') { 972: $message = &mt("Your anonymous submission has been recorded."); 973: $css_class=$possible_class{'no_grade'}; 974: $button=1; 975: } elsif ($award eq 'ANONYMOUS_CREDIT') { 976: $message = &mt("Your anonymous submission has been recorded, and credit awarded."); 977: $css_class=$possible_class{'correct'}; 978: } elsif ($award eq 'DRAFT') { 979: $message = &mt("Copy saved but not submitted."); 980: $css_class=$possible_class{'not_charged_try'}; 981: $button=1; 982: } elsif ($award eq 'ASSIGNED_SCORE') { 983: $message = &mt("A score has been assigned."); 984: $css_class=$possible_class{'correct'}; 985: $button=0; 986: } elsif ($award eq '') { 987: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') { 988: $message = &mt("Nothing submitted."); 989: $css_class=$possible_class{'charged_try'}; 990: } else { 991: $css_class=$possible_class{'not_charged_try'}; 992: } 993: $button=1; 994: } else { 995: $message = &mt("Unknown message").": $award"; 996: $button=1; 997: } 998: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser(); 999: foreach my $resid(@Apache::inputtags::response){ 1000: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) { 1001: if ($target eq 'tex') { 1002: $message.= "\\\\\n"; 1003: } else { 1004: $message.='<br />'; 1005: } 1006: my @files = split(/\s*,\s*/, 1007: $Apache::lonhomework::history{"resource.$part.$resid.handback"}); 1008: my $file_msg; 1009: foreach my $file (@files) { 1010: if ($target eq 'tex') { 1011: $file_msg.= "\\\\\n".$file; 1012: } else { 1013: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>'; 1014: } 1015: } 1016: $message .= &mt('Returned file(s): [_1]',$file_msg); 1017: if ($target eq 'tex') { 1018: $message.= "\\\\\n"; 1019: } else { 1020: $message.='<br />'; 1021: } 1022: } 1023: } 1024: 1025: if (&Apache::lonhomework::hide_problem_status() 1026: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER' 1027: && &hide_award($award)) { 1028: $message = &mt("Answer Submitted: Your final submission will be graded after the due date."); 1029: $css_class=$possible_class{'no_grade'}; 1030: $button=1; 1031: } 1032: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 1033: !$added_computer_text && $target ne 'tex') { 1034: $message.= $computer; 1035: $added_computer_text=1; 1036: } 1037: if ($Apache::lonhomework::type eq 'practice') { 1038: if ($target eq 'web') { 1039: $message .= '<br />'; 1040: } else { 1041: $message .= ' '; 1042: } 1043: $message.=&mt('Submissions to practice problems are not permanently recorded.'); 1044: } 1045: 1046: return ($button,$css_class,$message,$previousmsg); 1047: } 1048: 1049: sub markup_unit { 1050: my ($unit,$target)=@_; 1051: if ($target eq 'tex') { 1052: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 1053: } else { 1054: return "<tt>".$unit."</tt>"; 1055: } 1056: } 1057: 1058: sub removealldata { 1059: my ($id)=@_; 1060: foreach my $key (keys(%Apache::lonhomework::results)) { 1061: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) { 1062: &Apache::lonxml::debug("Removing $key"); 1063: delete($Apache::lonhomework::results{$key}); 1064: } 1065: } 1066: } 1067: 1068: sub hidealldata { 1069: my ($id)=@_; 1070: foreach my $key (keys(%Apache::lonhomework::results)) { 1071: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) { 1072: &Apache::lonxml::debug("Hidding $key"); 1073: my $newkey=$key; 1074: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/; 1075: $Apache::lonhomework::results{$newkey}= 1076: $Apache::lonhomework::results{$key}; 1077: delete($Apache::lonhomework::results{$key}); 1078: } 1079: } 1080: } 1081: 1082: sub setgradedata { 1083: my ($award,$msg,$id,$previously_used) = @_; 1084: if ($Apache::lonhomework::scantronmode && 1085: &Apache::lonnet::validCODE($env{'form.CODE'})) { 1086: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'}; 1087: } elsif ($Apache::lonhomework::scantronmode && 1088: $env{'form.CODE'} eq '' && 1089: $Apache::lonhomework::history{"resource.CODE"} ne '') { 1090: $Apache::lonhomework::results{"resource.CODE"}=''; 1091: } 1092: 1093: if (!$Apache::lonhomework::scantronmode && 1094: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' && 1095: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') { 1096: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award; 1097: return ''; 1098: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~ 1099: /^correct/ 1100: || $Apache::lonhomework::scantronmode 1101: || &Apache::lonhomework::hide_problem_status() ) { 1102: # the student doesn't already have it correct, 1103: # or we are in a mode (scantron orno problem status) where a correct 1104: # can become incorrect 1105: # handle assignment of tries and solved status 1106: my $solvemsg; 1107: if ($Apache::lonhomework::scantronmode) { 1108: $solvemsg='correct_by_scantron'; 1109: } else { 1110: $solvemsg='correct_by_student'; 1111: } 1112: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) { 1113: $Apache::lonhomework::results{"resource.$id.afterduedate"}=''; 1114: } 1115: if ( $award eq 'ASSIGNED_SCORE') { 1116: $Apache::lonhomework::results{"resource.$id.tries"} = 1117: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1118: $Apache::lonhomework::results{"resource.$id.solved"} = 1119: $solvemsg; 1120: my $numawards=scalar(@Apache::inputtags::response); 1121: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 1122: foreach my $res (@Apache::inputtags::response) { 1123: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) { 1124: $Apache::lonhomework::results{"resource.$id.awarded"}+= 1125: $Apache::lonhomework::results{"resource.$id.$res.awarded"}; 1126: } else { 1127: $Apache::lonhomework::results{"resource.$id.awarded"}+= 1128: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"}); 1129: } 1130: } 1131: if ($numawards > 0) { 1132: $Apache::lonhomework::results{"resource.$id.awarded"}/= 1133: $numawards; 1134: } 1135: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) { 1136: $Apache::lonhomework::results{"resource.$id.tries"} = 1137: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1138: $Apache::lonhomework::results{"resource.$id.solved"} = 1139: $solvemsg; 1140: $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; 1141: } elsif ( $award eq 'SUBMITTED_CREDIT' ) { 1142: $Apache::lonhomework::results{"resource.$id.tries"} = 1143: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1144: $Apache::lonhomework::results{"resource.$id.solved"} = 1145: 'credit_attempted'; 1146: $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; 1147: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) { 1148: $Apache::lonhomework::results{"resource.$id.tries"} = 1149: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1150: $Apache::lonhomework::results{"resource.$id.solved"} = 1151: 'credit_attempted'; 1152: $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; 1153: } elsif ( $award eq 'INCORRECT' ) { 1154: $Apache::lonhomework::results{"resource.$id.tries"} = 1155: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1156: if (&Apache::lonhomework::hide_problem_status() 1157: || $Apache::lonhomework::scantronmode) { 1158: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 1159: } 1160: $Apache::lonhomework::results{"resource.$id.solved"} = 1161: 'incorrect_attempted'; 1162: } elsif ( $award eq 'SUBMITTED' ) { 1163: $Apache::lonhomework::results{"resource.$id.tries"} = 1164: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1165: $Apache::lonhomework::results{"resource.$id.solved"} = 1166: 'ungraded_attempted'; 1167: } elsif ( $award eq 'ANONYMOUS' ) { 1168: $Apache::lonhomework::results{"resource.$id.tries"} = 1169: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1170: $Apache::lonhomework::results{"resource.$id.solved"} = 1171: 'ungraded_attempted'; 1172: } elsif ( $award eq 'DRAFT' ) { 1173: $Apache::lonhomework::results{"resource.$id.solved"} = ''; 1174: } elsif ( $award eq 'NO_RESPONSE' ) { 1175: #no real response so delete any data that got stored 1176: &removealldata($id); 1177: return ''; 1178: } else { 1179: $Apache::lonhomework::results{"resource.$id.solved"} = 1180: 'incorrect_attempted'; 1181: if (&Apache::lonhomework::show_no_problem_status() 1182: || $Apache::lonhomework::scantronmode) { 1183: $Apache::lonhomework::results{"resource.$id.tries"} = 1184: $Apache::lonhomework::history{"resource.$id.tries"} + 1; 1185: $Apache::lonhomework::results{"resource.$id.awarded"} = 0; 1186: } 1187: 1188: if (&Apache::lonhomework::show_some_problem_status()) { 1189: # clear out the awarded if they had gotten it wrong/right 1190: # and are now in an error mode 1191: $Apache::lonhomework::results{"resource.$id.awarded"} = ''; 1192: } 1193: } 1194: if (defined($msg)) { 1195: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg; 1196: } 1197: # did either of the overall awards chage? If so ignore the 1198: # previous check 1199: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq 1200: $Apache::lonhomework::history{"resource.$id.awarded"}) && 1201: ($Apache::lonhomework::results{"resource.$id.solved"} eq 1202: $Apache::lonhomework::history{"resource.$id.solved"})) { 1203: # check if this was a previous submission if it was delete the 1204: # unneeded data and update the previously_used attribute 1205: if ( $previously_used eq 'PREVIOUSLY_USED') { 1206: if (&Apache::lonhomework::show_problem_status()) { 1207: delete($Apache::lonhomework::results{"resource.$id.tries"}); 1208: $Apache::lonhomework::results{"resource.$id.previous"} = '1'; 1209: } 1210: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') { 1211: #delete all data as they student didn't do anything, but save 1212: #the list of collaborators. 1213: &removealldata($id); 1214: #and since they didn't do anything we were never here 1215: return ''; 1216: } else { 1217: $Apache::lonhomework::results{"resource.$id.previous"} = '0'; 1218: } 1219: } 1220: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~ 1221: /^correct/ ) { 1222: #delete all data as they student already has it correct 1223: &removealldata($id); 1224: #and since they didn't do anything we were never here 1225: return ''; 1226: } 1227: $Apache::lonhomework::results{"resource.$id.award"} = $award; 1228: if ($award eq 'SUBMITTED') { 1229: &Apache::response::add_to_gradingqueue(); 1230: } 1231: if (($Apache::lonhomework::type eq 'anonsurvey') || 1232: ($Apache::lonhomework::type eq 'anonsurveycred')) { 1233: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type; 1234: } 1235: } 1236: 1237: sub find_which_previous { 1238: my ($version) = @_; 1239: my $part = $Apache::inputtags::part; 1240: my (@previous_version); 1241: foreach my $resp (@Apache::inputtags::response) { 1242: my $key = "$version:resource.$part.$resp.submission"; 1243: my $submission = $Apache::lonhomework::history{$key}; 1244: my %previous = &Apache::response::check_for_previous($submission, 1245: $part,$resp, 1246: $version); 1247: push(@previous_version,$previous{'version'}); 1248: } 1249: return &previous_match(\@previous_version, 1250: scalar(@Apache::inputtags::response)); 1251: } 1252: 1253: sub previous_match { 1254: my ($previous_array,$count) = @_; 1255: my $match = 0; 1256: my @matches; 1257: foreach my $versionar (@$previous_array) { 1258: foreach my $version (@$versionar) { 1259: $matches[$version]++; 1260: } 1261: } 1262: my $which=0; 1263: foreach my $elem (@matches) { 1264: if ($elem eq $count) { 1265: $match=1; 1266: last; 1267: } 1268: $which++; 1269: } 1270: return ($match,$which); 1271: } 1272: 1273: sub grade { 1274: my ($target) = @_; 1275: my $id = $Apache::inputtags::part; 1276: my $response=''; 1277: if ( defined $env{'form.submitted'}) { 1278: my (@awards,@msgs); 1279: foreach $response (@Apache::inputtags::response) { 1280: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail"); 1281: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"}; 1282: &Apache::lonxml::debug("keeping $value from $response for $id"); 1283: push (@awards,$value); 1284: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"}; 1285: &Apache::lonxml::debug("got message $value from $response for $id"); 1286: push (@msgs,$value); 1287: } 1288: my ($finalaward,$msg) = 1289: &finalizeawards(\@awards,\@msgs,undef,undef, 1290: $Apache::lonhomework::scantronmode); 1291: my $previously_used; 1292: if ( $#Apache::inputtags::previous eq $#awards ) { 1293: my ($match) = 1294: &previous_match(\@Apache::inputtags::previous_version, 1295: scalar(@Apache::inputtags::response)); 1296: 1297: if ($match) { 1298: $previously_used = 'PREVIOUSLY_LAST'; 1299: foreach my $value (@Apache::inputtags::previous) { 1300: if ($value eq 'PREVIOUSLY_USED' ) { 1301: $previously_used = $value; 1302: last; 1303: } 1304: } 1305: } 1306: } 1307: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg"); 1308: &setgradedata($finalaward,$msg,$id,$previously_used); 1309: } 1310: return ''; 1311: } 1312: 1313: sub get_grade_messages { 1314: my ($id,$prefix,$target,$status) = @_; 1315: 1316: my ($message,$latemessage,$trystr,$previousmsg); 1317: my $showbutton = 1; 1318: 1319: my $award = $Apache::lonhomework::history{"$prefix.award"}; 1320: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"}; 1321: my $solved = $Apache::lonhomework::history{"$prefix.solved"}; 1322: my $previous = $Apache::lonhomework::history{"$prefix.previous"}; 1323: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"}; 1324: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg"); 1325: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') { 1326: &Apache::lonxml::debug('Getting message'); 1327: ($showbutton,my $css_class,$message,$previousmsg) = 1328: &decideoutput($award,$awarded,$awardmsg,$solved,$previous, 1329: $target); 1330: if ($target eq 'tex') { 1331: $message='\vskip 2 mm '.$message.' '; 1332: } else { 1333: $message="<td class=\"$css_class\">$message</td>"; 1334: if ($previousmsg) { 1335: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>"; 1336: } 1337: } 1338: } 1339: my $tries = $Apache::lonhomework::history{"$prefix.tries"}; 1340: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); 1341: &Apache::lonxml::debug("got maxtries of :$maxtries:"); 1342: #if tries are set to negative turn off the Tries/Button and messages 1343: if (defined($maxtries) && $maxtries < 0) { return ''; } 1344: if ( $tries eq '' ) { $tries = '0'; } 1345: if ( $maxtries eq '' ) { $maxtries = '2'; } 1346: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 1347: my $tries_text= &get_tries_text();; 1348: if ($showbutton) { 1349: if ($target eq 'tex') { 1350: if ($env{'request.state'} ne "construct" 1351: && $Apache::lonhomework::type ne 'exam' 1352: && $env{'form.suppress_tries'} ne 'yes') { 1353: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '. 1354: $tries.'/'.$maxtries.'} \vskip 2 mm '; 1355: } else { 1356: $trystr = '\vskip 0 mm '; 1357: } 1358: } else { 1359: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text)." $tries"; 1360: if ($Apache::lonhomework::parsing_a_task) { 1361: } elsif($env{'request.state'} ne 'construct') { 1362: $trystr.="/$maxtries"; 1363: } else { 1364: if (defined($Apache::inputtags::params{'maxtries'})) { 1365: $trystr.="/".$Apache::inputtags::params{'maxtries'}; 1366: } 1367: } 1368: $trystr.="</span></td>"; 1369: } 1370: } 1371: 1372: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) { 1373: #last submissions was after due date 1374: $latemessage=&mt(' The last submission was after the Due Date ');; 1375: if ($target eq 'web') { 1376: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>'; 1377: } 1378: } 1379: return ($previousmsg,$latemessage,$message,$trystr,$showbutton); 1380: } 1381: 1382: sub gradestatus { 1383: my ($id,$target,$no_previous) = @_; 1384: my $showbutton = 1; 1385: my $message = ''; 1386: my $latemessage = ''; 1387: my $trystr=''; 1388: my $button=''; 1389: my $previousmsg=''; 1390: 1391: my $status = $Apache::inputtags::status['-1']; 1392: &Apache::lonxml::debug("gradestatus has :$status:"); 1393: if ( $status ne 'CLOSED' 1394: && $status ne 'UNAVAILABLE' 1395: && $status ne 'INVALID_ACCESS' 1396: && $status ne 'NEEDS_CHECKIN' 1397: && $status ne 'NOT_IN_A_SLOT') { 1398: 1399: ($previousmsg,$latemessage,$message,$trystr) = 1400: &get_grade_messages($id,"resource.$id",$target,$status, 1401: $showbutton); 1402: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') { 1403: $showbutton = 0; 1404: } 1405: if ( $status eq 'SHOW_ANSWER') { 1406: undef($previousmsg); 1407: } 1408: if ( $showbutton ) { 1409: if ($target ne 'tex') { 1410: $button = 1411: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';" 1412: type="submit" name="submit_'.$id.'" 1413: value="'.&mt('Submit Answer').'" />'; 1414: } 1415: } 1416: 1417: } 1418: my $output= $previousmsg.$latemessage.$message.$trystr; 1419: if ($output =~ /^\s*$/) { 1420: return $button; 1421: } else { 1422: if ($target eq 'tex') { 1423: return $button.' \vskip 0 mm '.$output.' '; 1424: } else { 1425: $output = 1426: '<table><tr><td>'.$button.'</td>'.$output; 1427: if (!$no_previous) { 1428: $output.='<td>'.&previous_tries($id,$target).'</td>'; 1429: } 1430: $output.= '</tr></table>'; 1431: return $output; 1432: } 1433: } 1434: } 1435: 1436: sub previous_tries { 1437: my ($id,$target) = @_; 1438: my $output; 1439: my $status = $Apache::inputtags::status['-1']; 1440: 1441: my $count; 1442: my %count_lookup; 1443: 1444: foreach my $i (1..$Apache::lonhomework::history{'version'}) { 1445: my $prefix = $i.":resource.$id"; 1446: my $is_anon; 1447: if (defined($env{'form.grade_symb'})) { 1448: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') || 1449: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) { 1450: $is_anon = 1; 1451: } 1452: } 1453: next if (!exists($Apache::lonhomework::history{"$prefix.award"})); 1454: $count++; 1455: $count_lookup{$i} = $count; 1456: 1457: my ($previousmsg,$latemessage,$message,$trystr); 1458: 1459: ($previousmsg,$latemessage,$message,$trystr) = 1460: &get_grade_messages($id,"$prefix",$target,$status); 1461: 1462: if ($previousmsg ne '') { 1463: my ($match,$which) = &find_which_previous($i); 1464: $message=$previousmsg; 1465: my $previous = $count_lookup{$which}; 1466: $message =~ s{(</td>)}{ as submission \# $previous $1}; 1467: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) { 1468: if (!(&Apache::lonhomework::hide_problem_status() 1469: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') 1470: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/ 1471: ) { 1472: 1473: my $txt_correct = &mt('Correct'); 1474: $message =~ s{(<td.*?>)(.*?)(</td>)} 1475: {$1 <strong>$txt_correct</strong>. $3}s; 1476: } 1477: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")"; 1478: $message =~ s{(</td>)}{ $trystr $1}; 1479: } 1480: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #" 1481: $message =~ s{(<td.*?>)}{<td>}; 1482: 1483: 1484: $output.='<tr class="'.$class.'">'; 1485: $output.='<td align="center">'.$count.'</td>'; 1486: $output.=$message; 1487: 1488: foreach my $resid (@Apache::inputtags::response) { 1489: my $prefix = $prefix.".$resid"; 1490: if (exists($Apache::lonhomework::history{"$prefix.submission"})) { 1491: my $submission = 1492: $Apache::inputtags::submission_display{"$prefix.submission"}; 1493: if (!defined($submission)) { 1494: $submission = 1495: $Apache::lonhomework::history{"$prefix.submission"}; 1496: } 1497: if ($is_anon) { 1498: $output.='<td>'.&mt('(only shown to submitter)').'</td>'; 1499: } else { 1500: $output.='<td>'.$submission.'</td>'; 1501: } 1502: } else { 1503: $output.='<td></td>'; 1504: } 1505: } 1506: $output.=&Apache::loncommon::end_data_table_row()."\n"; 1507: } 1508: return if ($output eq ''); 1509: my $headers = 1510: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try'). 1511: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'. 1512: &mt('Submitted Answer').'</th>'; 1513: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>'; 1514: #return $output; 1515: $output = &Apache::loncommon::js_ready($output); 1516: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>'; 1517: 1518: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen(); 1519: my $tries_text = &get_tries_text('link'); 1520: my $start_page = 1521: &Apache::loncommon::start_page($tries_text, undef, 1522: {'only_body' => 1, 1523: 'bgcolor' => '#FFFFFF', 1524: 'js_ready' => 1, 1525: 'inherit_jsmath' => 1, }); 1526: my $end_page = 1527: &Apache::loncommon::end_page({'js_ready' => 1,}); 1528: my $prefix = $env{'form.request.prefix'}; 1529: $prefix =~ tr{.}{_}; 1530: my $function_name = "LONCAPA_previous_tries_".$prefix. 1531: $Apache::lonxml::curdepth.'_'.$env{'form.counter'}; 1532: my $result ="<script type=\"text/javascript\"> 1533: // <![CDATA[ 1534: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()} 1535: // ]]> 1536: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />"; 1537: #use Data::Dumper; 1538: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display)); 1539: return $result; 1540: } 1541: 1542: sub get_tries_text { 1543: my ($context) = @_; 1544: my $tries_text; 1545: if ($context eq 'link') { 1546: $tries_text = 'Previous Tries'; 1547: } else { 1548: $tries_text = 'Tries'; 1549: } 1550: if ( $Apache::lonhomework::type eq 'survey' || 1551: $Apache::lonhomework::type eq 'surveycred' || 1552: $Apache::lonhomework::type eq 'anonsurvey' || 1553: $Apache::lonhomework::type eq 'anonsurveycred' || 1554: $Apache::lonhomework::parsing_a_task) { 1555: if ($context eq 'link') { 1556: $tries_text = 'Previous Submissions'; 1557: } else { 1558: $tries_text = 'Submissions'; 1559: } 1560: } 1561: return $tries_text; 1562: } 1563: 1564: 1; 1565: __END__ 1566: 1567: =pod 1568: 1569: =back 1570: 1571: =cut 1572: