loncom/homework/optionresponse.pm - view

File: [LON-CAPA] / loncom / homework / optionresponse.pm
Revision 1.183: download - view: text, annotated - select for diffs
Tue Nov 29 13:24:38 2011 UTC (12 years, 5 months ago) by raeburn
Branches: MAIN
CVS tags: language_hyphenation_merge, language_hyphenation, HEAD

- Bug 2802.
  - optionresponse::is_nonlenient() moved to inputtags::grading_is_nonlenient()
    to facilitate re-use.
  - where solved is "correct", awarded value < 1 permits new submission,
    only if lenient grading applies.
  - add lenient parameter to custompartial.problem template.

1: # LearningOnline Network with CAPA 2: # option list style responses 3: # 4: # $Id: optionresponse.pm,v 1.183 2011/11/29 13:24:38 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: 29: 30: 31: 32: 33: package Apache::optionresponse; 34: use strict; 35: use Apache::inputtags(); 36: use Apache::response(); 37: use Apache::lonlocal; 38: use Apache::lonnet; 39: 40: BEGIN { 41: &Apache::lonxml::register('Apache::optionresponse',('optionresponse')); 42: } 43: 44: sub start_optionresponse { 45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 46: my $result=''; 47: #when in a option response use these 48: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); 49: push (@Apache::lonxml::namespace,'optionresponse'); 50: my $id = &Apache::response::start_response($parstack,$safeeval); 51: %Apache::hint::option=(); 52: undef(%Apache::response::foilnames); 53: if ($target eq 'edit') { 54: $result.=&Apache::edit::start_table($token) 55: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> ' 56: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>" 57: .'<td><span class="LC_nobreak">'.&mt('Delete?').' ' 58: .&Apache::edit::deletelist($target,$token) 59: .'</span></td>' 60: ."<td> " 61: .&Apache::edit::end_row() 62: .&Apache::edit::start_spanning_row() 63: ."\n"; 64: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max', 65: $token,'4'). 66: &Apache::edit::select_arg('Randomize Foil Order:','randomize', 67: ['yes','no'],$token). 68: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout', 69: [['horizontal','Normal list'], 70: ['vertical','Listed in a vertical column']],$token). 71: &Apache::edit::end_row().&Apache::edit::start_spanning_row(); 72: } elsif ($target eq 'modified') { 73: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 74: $safeeval,'max','randomize', 75: 'TeXlayout'); 76: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 77: } elsif ($target eq 'meta') { 78: $result=&Apache::response::meta_package_write('optionresponse'); 79: } elsif ($target eq 'analyze') { 80: my $part_id="$Apache::inputtags::part.$id"; 81: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse'; 82: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); 83: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1); 84: 85: } 86: return $result; 87: } 88: 89: sub end_optionresponse { 90: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 91: &Apache::response::end_response; 92: pop @Apache::lonxml::namespace; 93: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); 94: my $result; 95: if ($target eq 'edit') { $result=&Apache::edit::end_table(); } 96: undef(%Apache::response::foilnames); 97: return $result; 98: } 99: 100: %Apache::response::foilgroup=(); 101: sub start_foilgroup { 102: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 103: 104: my $result=''; 105: %Apache::response::foilgroup=(); 106: $Apache::optionresponse::conceptgroup=0; 107: &Apache::response::pushrandomnumber(undef,$target); 108: if ($target eq 'edit') { 109: my $optionlist="<option></option>\n"; 110: my $option; 111: my @opt; 112: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval); 113: my $count=1; 114: foreach $option (@opt) { 115: $optionlist.="<option value=\"$count\">$option</option>\n"; 116: $count++; 117: } 118: my $insertlist=&Apache::edit::insertlist($target,$token); 119: $result.=&Apache::edit::start_table($token); 120: $result.= (<<ENDTABLE); 121: <tr><td>Select Options</td> 122: <td> 123: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" /> 124: </td> 125: <td>Delete an Option: 126: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select> 127: </td> 128: ENDTABLE 129: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions', 130: [ ['nochoice','Don\'t show option list'] ] 131: ,$token).'</td>'; 132: $result.= '<td><label>'.&mt('Two-option checkboxes for:'). 133: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">'; 134: foreach $option (('',@opt)) { 135: $result.='<option value="'.$option.'"'; 136: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) { 137: $result.=' selected="selected"'; 138: } 139: $result.='>'.$option.'</option>'; 140: } 141: $result.='</select></label>'; 142: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions', 143: [ ['nochoice','Don\'t show option list'] ] 144: ,$token).'</td>'; 145: $result.= &Apache::edit::end_row(); 146: $result.= &Apache::edit::start_spanning_row(); 147: $result.= $insertlist.'<br />'; 148: } 149: if ($target eq 'modified') { 150: my @options; 151: my $optchanged=0; 152: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval); 153: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) { 154: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"}; 155: &Apache::lonxml::debug("Deleting :$delopt:"); 156: splice(@options,$delopt-1,1); 157: $optchanged=1; 158: } 159: if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') { 160: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"}; 161: push(@options,$newopt); 162: $optchanged=1; 163: } 164: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval, 165: 'texoptions','checkboxvalue','checkboxoptions'); 166: if ($optchanged || $rebuildtag ) { 167: $result = "<foilgroup options=\"("; 168: foreach my $option (@options) { 169: $option=~s/\'/\\\'/g; 170: &Apache::lonxml::debug("adding option :$option:"); 171: $result .="'".$option."',"; 172: } 173: chop $result; 174: $result.=')" '; 175: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" '; 176: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" '; 177: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"'; 178: $result .= '>'; 179: } # else nothing changed so just use the default mechanism 180: } 181: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 182: if($env{'form.pdfFormFields'} ne 'yes') { 183: $result .= ' \begin{itemize} '; 184: } else { 185: $result .= "\\\\"; 186: } 187: } 188: return $result; 189: } 190: 191: sub end_foilgroup { 192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 193: 194: my $result; 195: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 196: $target eq 'tex' || $target eq 'analyze') { 197: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval); 198: my $name; 199: my @opt; 200: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval); 201: &Apache::lonxml::debug("options:".join(':',@opt)); 202: 203: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval, 204: -2,0); 205: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval); 206: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice'); 207: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();} 208: &Apache::lonxml::debug("Options are $#opt"); 209: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); 210: my $randomize = &Apache::lonxml::get_param('randomize',$parstack, 211: $safeeval,'-2'); 212: if ($target eq 'web' || $target eq 'tex') { 213: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch,@opt); 214: $Apache::lonxml::post_evaluate=0; 215: } elsif ( $target eq 'answer') { 216: $result.=&displayanswers($max,$randomize,@opt); 217: 218: } elsif ( $target eq 'analyze') { 219: my @shown = &whichfoils($max,$randomize); 220: &Apache::response::analyze_store_foilgroup(\@shown, 221: ['text','value','location']); 222: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 223: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt); 224: } elsif ( $target eq 'grade') { 225: 226: if ( &Apache::response::submitted()) { 227: 228: my @whichopt = &whichfoils($max,$randomize); 229: my $temp=1;my $name; 230: my %responsehash; 231: my %grade; 232: my $right=0; 233: my $wrong=0; 234: my $ignored=0; 235: my ($numrows,$bubbles_per_row); 236: if ($Apache::lonhomework::scantronmode) { 237: my $numitems = scalar(@opt); 238: ($numrows,$bubbles_per_row) = 239: &Apache::optionresponse::getnumrows($numitems); 240: } 241: if ($numrows < 1) { 242: $numrows = 1; 243: } 244: foreach $name (@whichopt) { 245: my $response; 246: if ($env{'form.submitted'} eq 'scantron') { 247: if ($numrows > 1) { 248: my $num = $temp; 249: my $totalnum; 250: for (my $i=0; $i<$numrows; $i++) { 251: my $item = &Apache::response::getresponse($num); 252: if ($item =~ /^\d+$/) { 253: $totalnum = $i*$bubbles_per_row + $item; 254: } 255: $num ++; 256: } 257: if ($totalnum =~ /^\d+$/) { 258: $response = $opt[$totalnum]; 259: } 260: $temp += $numrows; 261: } else { 262: $response=&Apache::response::getresponse($temp); 263: if ($response=~/\S/) { 264: $response = $opt[$response]; 265: } 266: $temp ++; 267: } 268: } else { 269: $response=&Apache::response::getresponse($temp); 270: $temp ++; 271: } 272: if ( $response =~ /[^\s]/) { 273: $responsehash{$name}=$response; 274: my $value=$Apache::response::foilgroup{$name.'.value'}; 275: &Apache::lonxml::debug("submitted a $response for $value<br />\n"); 276: if ($value eq $response) { 277: $grade{$name}='1'; $right++; 278: } else { 279: $grade{$name}='0'; $wrong++; 280: } 281: } else { 282: $ignored++; 283: } 284: } 285: my $part=$Apache::inputtags::part; 286: my $nonlenient=&Apache::inputtags::grading_is_nonlenient($part); 287: my $id = $Apache::inputtags::response['-1']; 288: my $responsestr=&Apache::lonnet::hash2str(%responsehash); 289: my $gradestr =&Apache::lonnet::hash2str(%grade); 290: my %previous=&Apache::response::check_for_previous($responsestr, 291: $part,$id); 292: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored"); 293: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 294: $responsestr; 295: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr; 296: if ($Apache::lonhomework::type eq 'randomizetry') { 297: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt); 298: } 299: if (($Apache::lonhomework::type eq 'survey') || 300: ($Apache::lonhomework::type eq 'surveycred') || 301: ($Apache::lonhomework::type eq 'anonsurvey') || 302: ($Apache::lonhomework::type eq 'anonsurveycred')) { 303: if ($ignored == 0) { 304: my $ad; 305: if ($Apache::lonhomework::type eq 'anonsurveycred') { 306: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT'; 307: } elsif ($Apache::lonhomework::type eq 'anonsurvey') { 308: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS'; 309: } elsif ($Apache::lonhomework::type eq 'surveycred') { 310: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT'; 311: } else { 312: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED'; 313: } 314: &Apache::response::handle_previous(\%previous,$ad); 315: } elsif ($wrong==0 && $right==0) { 316: } else { 317: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER'; 318: &Apache::response::handle_previous(\%previous,$ad); 319: } 320: } elsif ($nonlenient) { 321: # 322: # Non-lenient mode. All right or all wrong 323: # 324: my $ad; 325: if ($wrong==0 && $ignored==0) { 326: $ad='EXACT_ANS'; 327: } elsif ($wrong==0 && $right==0) { 328: #nothing submitted 329: } else { 330: if ($ignored==0) { 331: $ad='INCORRECT'; 332: } else { 333: $ad='MISSING_ANSWER'; 334: } 335: } 336: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 337: &Apache::response::handle_previous(\%previous,$ad); 338: } else { 339: # 340: # This is lenient mode 341: # 342: my $ad; 343: if ($wrong==0 && $right==0) { 344: #nothing submitted only assign a score if we 345: #need to override a previous grade 346: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) { 347: $ad='ASSIGNED_SCORE'; 348: } 349: } else { 350: $ad='ASSIGNED_SCORE'; 351: } 352: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 353: $Apache::lonhomework::results{"resource.$part.$id.awarded"}= 354: $right/(scalar(@whichopt)); 355: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}= 356: scalar(@whichopt); 357: } 358: } 359: } 360: my $part_id = $Apache::inputtags::part; 361: my $response_id = $Apache::inputtags::response[-1]; 362: my ($numrows,$bubbles_per_row); 363: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) { 364: ($numrows,$bubbles_per_row) = 365: &Apache::optionresponse::getnumrows(scalar(@opt)); 366: } 367: if ($numrows < 1) { 368: $numrows = 1; 369: } 370: my $increment = &getfoilcounts($max) * $numrows; 371: &Apache::lonxml::increment_counter($increment,"$part_id.$response_id"); 372: if ($target eq 'analyze') { 373: &Apache::lonhomework::set_bubble_lines(); 374: } 375: 376: } elsif ($target eq 'edit') { 377: $result.=&Apache::edit::end_table(); 378: } 379: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 380: if($env{'form.pdfFormFields'} ne 'yes') { 381: $result .= '\end{itemize}'; 382: } else { 383: $result .= "\\\\"; 384: } 385: } 386: &Apache::response::poprandomnumber(); 387: return $result; 388: } 389: 390: sub getfoilcounts { 391: my ($max)=@_; 392: # +1 since instructors will count from 1 393: my $count = $#{ $Apache::response::foilgroup{'names'} }+1; 394: if (&Apache::response::showallfoils()) { $max=$count; } 395: if ($count>$max) { $count=$max } 396: &Apache::lonxml::debug("Count is $count from $max"); 397: return $count; 398: } 399: 400: sub whichfoils { 401: my ($max,$randomize)=@_; 402: return &Apache::response::whichorder($max,$randomize, 403: &Apache::response::showallfoils(), 404: \%Apache::response::foilgroup); 405: } 406: 407: sub displayanswers { 408: my ($max,$randomize,@opt)=@_; 409: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;} 410: my @names = @{ $Apache::response::foilgroup{'names'} }; 411: my @whichopt = &whichfoils($max,$randomize); 412: my $result; 413: if ($Apache::lonhomework::type eq 'exam') { 414: my $i = 0; 415: my %opt = map { ($_,$i++) } @opt; 416: 417: $i = 0; 418: my @alphabet = ('A'..'Z'); 419: foreach my $name (@whichopt) { 420: $result.=&Apache::response::answer_header('optionresponse',$i++); 421: $result.=&Apache::response::answer_part('optionresponse', 422: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]); 423: $result.=&Apache::response::answer_part('optionresponse', 424: $Apache::response::foilgroup{$name.'.value'}); 425: $result.=&Apache::response::answer_footer('optionresponse'); 426: } 427: } else { 428: $result=&Apache::response::answer_header('optionresponse'); 429: foreach my $name (@whichopt) { 430: $result.=&Apache::response::answer_part('optionresponse', 431: $Apache::response::foilgroup{$name.'.value'}); 432: } 433: $result.=&Apache::response::answer_footer('optionresponse'); 434: } 435: return $result; 436: } 437: 438: sub check_box_opt { 439: my ($target,$checkboxvalue,@opt)=@_; 440: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options. 441: # If so, return "checked" value 442: if ($#opt!=1) { return ''; } 443: if ($target ne 'web') { return ''; } 444: return $checkboxvalue; 445: } 446: 447: sub check_for_invalid { 448: my ($names,$options) = @_; 449: my %bad_names; 450: foreach my $name (@{ $names }) { 451: my $value=$Apache::response::foilgroup{$name.'.value'}; 452: my $found=0; 453: foreach my $option (@{ $options }) { 454: if ($value eq $option) { $found=1; } 455: } 456: if (!$found) { $bad_names{$name}=$value; } 457: } 458: if (%bad_names) { 459: my $error=&mt('The question can not be gotten correct, '. 460: 'the following foils in the <optionresponse> '. 461: 'have invalid correct options').' <br /><tt>'. 462: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))). 463: "</tt>"; 464: &Apache::lonxml::error($error); 465: } 466: } 467: 468: sub displayfoils { 469: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices, 470: $tex_option_switch,@opt)=@_; 471: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;} 472: my @names = @{ $Apache::response::foilgroup{'names'} }; 473: my @truelist; 474: my @falselist; 475: my $result; 476: my $name; 477: my $displayoptionintex=1; 478: my @alphabet = ('A'..'Z'); 479: my @whichopt = &whichfoils($max,$randomize); 480: unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) { 481: &check_for_invalid(\@whichopt,\@opt); 482: } 483: my $part=$Apache::inputtags::part; 484: my $id=$Apache::inputtags::response[-1]; 485: my $break; 486: if ( ($target ne 'tex') && 487: &Apache::response::show_answer() ) { 488: my $temp=1; 489: foreach $name (@whichopt) { 490: my $text=$Apache::response::foilgroup{$name.'.text'}; 491: my $lastresp; 492: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) { 493: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"}; 494: } 495: my %lastresponse=&Apache::lonnet::str2hash($lastresp); 496: my $lastopt=$lastresponse{$name}; 497: if ($text!~/^\s*$/) { $break='<br />'; } 498: $result.=$break; 499: if ($target eq 'web') { 500: my $value=$Apache::response::foilgroup{$name.'.value'}; 501: if (!($text=~s|<drawoptionlist\s*/>|$value|)) { 502: if ($text=~/^\s*$/) { 503: $text=$value.$text; 504: } else { 505: $text='<b>'.$value.':</b> '.$text; 506: } 507: } else { 508: if (@whichopt > 1) { 509: $text=''.$text; 510: } 511: } 512: $result.=$text."\n"; 513: } 514: if ($Apache::lonhomework::type eq 'exam') { 515: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); 516: } 517: $temp++; 518: } 519: } else { 520: my $temp=1; 521: my %lastresponse; 522: my $newvariation; 523: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') || 524: ($Apache::lonhomework::type eq 'randomizetry')) && 525: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) { 526: if ($env{'form.'.$part.'.rndseed'} ne 527: $Apache::lonhomework::history{"resource.$part.rndseed"}) { 528: $newvariation = 1; 529: } 530: } 531: unless ($newvariation) { 532: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); 533: } 534: my $internal_counter=$Apache::lonxml::counter; 535: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt); 536: if ($checkboxopt) { 537: $result.='<br />'. 538: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':''). 539: &mt('Select all that are <b>[_1]</b>.',$checkboxopt); 540: } 541: foreach $name (@whichopt) { 542: my $text=$Apache::response::foilgroup{$name.'.text'}; 543: if ($text!~/^\s*$/) { 544: if ($target eq 'tex') { 545: $break='\vskip 0 mm '; 546: } elsif ($target eq 'web') { 547: $break='<br />'; 548: } 549: } 550: my $lastopt=$lastresponse{$name}; 551: my $optionlist="<option></option>\n"; 552: 553: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes' 554: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 555: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp; 556: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname); 557: } 558: 559: foreach my $option (@opt) { 560: my $escopt=&HTML::Entities::encode($option,'\'"&<>'); 561: if ($option eq $lastopt) { 562: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 563: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' 564: && $Apache::lonhomework::type ne 'exam') { 565: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 566: } else { 567: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n"; 568: } 569: } else { 570: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 571: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' 572: && $Apache::lonhomework::type ne 'exam') { 573: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 574: } else { 575: $optionlist.="<option value='".$escopt."'>$option</option>\n"; 576: } 577: } 578: } 579: if ($target ne 'tex') { 580: if ($Apache::lonhomework::type ne 'exam') { 581: # we are on the web, this is not an exam, and the problem can be answered 582: if ($checkboxopt) { 583: # generate checkboxes 584: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp; 585: my $altopt=$opt[0]; 586: if ($opt[0] eq $checkboxopt) { 587: $altopt=$opt[1]; 588: } 589: my $defopt=$lastopt; 590: unless ($defopt) { $defopt=$altopt; } 591: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>'); 592: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>'); 593: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>'); 594: # checkboxopt is how the box is labelled 595: # altopt is the alternative option 596: # lastopt is what the user submitted before 597: # defopt is what the field is going to start out with: either previous choice or altopt 598: # fieldname is this input field's name after HWVAL_ 599: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'. 600: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'. 601: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n"; 602: } else { 603: # classic selection list 604: $optionlist='<select onchange="javascript:setSubmittedPart(\''. 605: $part.'\');" name="HWVAL_'. 606: $Apache::inputtags::response['-1'].':'.$temp.'">'. 607: $optionlist."</select>\n"; 608: } 609: } else { 610: $optionlist='<u>'.(' 'x10).'</u>'; 611: } 612: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) { 613: if ($Apache::lonhomework::type ne 'exam') { 614: if (@whichopt > 1) { 615: $text=''.$text; 616: } 617: } 618: } else { 619: if ($Apache::lonhomework::type ne 'exam') { 620: $text=$optionlist.$text; 621: } 622: } 623: $result.=$break.$text."\n"; 624: if ($Apache::lonhomework::type eq 'exam') { 625: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); 626: } 627: $temp++; 628: } else { 629: my $texoptionlist=''; 630: if ($displayoptionintex && 631: $Apache::lonhomework::type ne 'exam') { 632: $texoptionlist = &optionlist_correction($TeXlayout,@opt); 633: } 634: if ($text=~/<drawoptionlist\s*\/>/) { 635: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g; 636: } 637: 638: if ($text=~m/\\item /) { 639: if ($Apache::lonhomework::type eq 'exam') { 640: $text=~s/\\item/\\vskip 2 mm/; 641: } elsif ($env{'form.pdfFormFields'} ne 'yes') { 642: $result.= $texoptionlist.$text; 643: } 644: } else { 645: if ($Apache::lonhomework::type eq 'exam') { 646: $result.= $texoptionlist.' '.$text; 647: } elsif ($env{'form.pdfFormFields'} ne 'yes') { 648: if ($text=~/\S/) { 649: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text; 650: } else { 651: $result.= $texoptionlist; 652: } 653: } 654: } 655: if ($Apache::lonhomework::type eq 'exam') { 656: $result.='\vskip -1 mm\noindent'; 657: my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt)); 658: if ($numrows == 1) { 659: $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm'; 660: } else { 661: my $linetext; 662: for (my $i=0; $i<$numrows; $i++) { 663: $linetext .= $internal_counter+$i.', '; 664: } 665: $linetext =~ s/,\s$//; 666: $result .= '\small {\textbf{'.$linetext.'}} '. 667: '\hskip 2 mm {\footnotesize '. 668: &mt('(Bubble once in [_1] lines)',$numrows). 669: '} \vskip 1 mm'; 670: } 671: $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows, 672: $bubbles_per_row,$internal_counter). 673: ' \strut '; 674: $internal_counter += $numrows; 675: } 676: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 677: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' 678: && $Apache::lonhomework::type ne 'exam') { 679: $text =~ s/\\item//m; 680: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\'; 681: $temp++; 682: } 683: $displayoptionintex=0; 684: } 685: } 686: } 687: 688: if ($target eq 'web') { 689: my $data = [\@whichopt,'submissiongrading']; 690: my $questiontype; 691: if ($Apache::lonhomework::type eq 'randomizetry') { 692: $questiontype = $Apache::lonhomework::type, 693: } 694: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype); 695: } 696: 697: if ($target ne 'tex') { 698: return $result.$break; 699: } else { 700: return $result; 701: } 702: } 703: 704: 705: sub optionlist_correction { 706: my ($TeXlayout,@options) = @_; 707: my $texoptionlist='\\item [] '.&mt('Choices:').' '; 708: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';} 709: if (scalar(@options) > 0) { 710: foreach my $option (@options) { 711: $texoptionlist.='{\bf '. 712: &Apache::lonxml::latex_special_symbols($option). 713: '}'; 714: if ($TeXlayout eq 'vertical') { 715: $texoptionlist.=' \vskip 0 mm ', 716: } else { 717: $texoptionlist.=', '; 718: } 719: } 720: $texoptionlist=~s/, $//; 721: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';} 722: } else { 723: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';} 724: } 725: return $texoptionlist; 726: } 727: 728: 729: sub webbubbles { 730: my ($ropt,$ralphabet,$temp,$lastopt)=@_; 731: my @opt=@$ropt; 732: my @alphabet=@$ralphabet; 733: my $result=''; 734: my $number_of_bubbles = $#opt + 1; 735: $result.= '<table border="1"><tr>'; 736: for (my $ind=0;$ind<$number_of_bubbles;$ind++) { 737: my $checked=''; 738: if ($lastopt eq $opt[$ind]) { 739: $checked=' checked="on" '; 740: } 741: $result.='<td><input type="radio" name="HWVAL_'. 742: $Apache::inputtags::response['-1'].':'.$temp. 743: '" value="'.$opt[$ind].'" '.$checked.' />'; 744: if ($alphabet[$ind]) { 745: $result.=$alphabet[$ind].': '; 746: } 747: $result.=$opt[$ind].'</td>'; 748: } 749: $result.='</tr></table>'; 750: return $result; 751: } 752: 753: 754: sub bubbles { 755: my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row, 756: $internal_counter) = @_; 757: my @alphabet = @$ralphabet; 758: my @opt = @$ropt; 759: my ($result,$head,$line) =('','',''); 760: my $number_of_bubbles = $#opt + 1; 761: my $current_length = 0; 762: my $textwidth; 763: if (defined($max_width)) { 764: $textwidth=$max_width; 765: &Apache::lonxml::debug("Max width passed in: $max_width"); 766: } elsif ($env{'form.textwidth'} ne '') { 767: $env{'form.textwidth'}=~/(\d+)/; 768: $textwidth=$1; 769: &Apache::lonxml::debug("Max width from form: $textwidth"); 770: } else { 771: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/; 772: $textwidth=$1.'.'.$2; 773: &Apache::lonxml::debug("Max width defaults? $textwidth"); 774: } 775: &Apache::lonxml::debug("Final maxwidth: $textwidth"); 776: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) { 777: my $item; 778: if ($numrows > 1) { 779: my $num = $internal_counter+int($ind/$bubbles_per_row); 780: my $idx = int($ind % $bubbles_per_row); 781: $item = $num.$alphabet[$idx]; 782: } else { 783: $item = $alphabet[$ind]; 784: } 785: my $leftmargin; 786: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]); 787: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];} 788: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;} 789: 790: $current_length += (length($opt[$ind])+length($item)+4)*2; 791: 792: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) { 793: 794: $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; 795: $head.='lr'; 796: } else { 797: $line=~s/\&\s*$//; 798: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm'; 799: $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; 800: $head ='lr'; 801: $current_length = (length($opt[$ind])+length($item))*2; 802: } 803: 804: } 805: return $result; 806: } 807: 808: sub start_conceptgroup { 809: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 810: $Apache::optionresponse::conceptgroup=1; 811: %Apache::response::conceptgroup=(); 812: my $result; 813: if ($target eq 'edit') { 814: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils"); 815: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). 816: &Apache::edit::end_row().&Apache::edit::start_spanning_row(); 817: } 818: if ($target eq 'modified') { 819: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept'); 820: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 821: } 822: return $result; 823: } 824: 825: sub end_conceptgroup { 826: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 827: $Apache::optionresponse::conceptgroup=0; 828: my $result=''; 829: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || 830: $target eq 'tex' || $target eq 'analyze') { 831: #if not there aren't any foils to display and thus no question 832: &Apache::response::pick_foil_for_concept($target, 833: ['value','text','location'], 834: \%Apache::hint::option, 835: $parstack,$safeeval); 836: } elsif ($target eq 'edit') { 837: $result=&Apache::edit::end_table(); 838: } 839: return $result; 840: } 841: 842: sub insert_conceptgroup { 843: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n"; 844: return $result; 845: } 846: 847: sub start_foil { 848: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 849: my $result=''; 850: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) { 851: &Apache::lonxml::startredirection; 852: if ($target eq 'analyze') { 853: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value'); 854: } 855: } elsif ($target eq 'edit') { 856: $result=&Apache::edit::tag_start($target,$token,"Foil"); 857: my $level='-2'; 858: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; } 859: my @opt; 860: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level); 861: $result.=&Apache::edit::text_arg('Name:','name',$token); 862: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value', 863: ['unused',(@opt)],$token,'15'); 864: my $randomize=&Apache::lonxml::get_param('randomize',$parstack, 865: $safeeval,'-3'); 866: if ($randomize ne 'no') { 867: $result.=&Apache::edit::select_arg('Location:','location', 868: ['random','top','bottom'],$token); 869: } 870: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 871: } elsif ($target eq 'modified') { 872: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, 873: 'value','name','location'); 874: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 875: } 876: return $result; 877: } 878: 879: sub end_foil { 880: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 881: my $text =''; 882: my $result = ''; 883: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 884: $text=&Apache::lonxml::endredirection; 885: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;} 886: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 887: } 888: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 889: || $target eq 'tex' || $target eq 'analyze') { 890: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); 891: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { 892: $text='\vskip 5mm $\triangleright$ '.$text; 893: } 894: if ($value ne 'unused') { 895: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 896: &Apache::lonxml::debug("Got a name of :$name:"); 897: if ($name eq "") { 898: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); 899: $name=$Apache::lonxml::curdepth; 900: } 901: &Apache::lonxml::debug("Using a name of :$name:"); 902: if (defined($Apache::response::foilnames{$name})) { 903: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>')); 904: } 905: $Apache::response::foilnames{$name}++; 906: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval); 907: if ( $Apache::optionresponse::conceptgroup 908: && !&Apache::response::showallfoils() ) { 909: push @{ $Apache::response::conceptgroup{'names'} }, $name; 910: $Apache::response::conceptgroup{"$name.value"} = $value; 911: $Apache::response::conceptgroup{"$name.text"} = $text; 912: $Apache::response::conceptgroup{"$name.location"} = $location; 913: } else { 914: push @{ $Apache::response::foilgroup{'names'} }, $name; 915: $Apache::response::foilgroup{"$name.value"} = $value; 916: $Apache::response::foilgroup{"$name.text"} = $text; 917: $Apache::response::foilgroup{"$name.location"} = $location; 918: } 919: } 920: } 921: if ($target eq 'edit') { 922: $result.= &Apache::edit::tag_end($target,$token,''); 923: } 924: return $result; 925: } 926: 927: sub start_drawoptionlist { 928: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 929: if ($target !~ /^(?:meta|answer|modified|edit)$/) { 930: return $token->[4]; 931: } 932: } 933: 934: sub end_drawoptionlist { 935: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 936: if ($target !~ /^(?:meta|answer|modified|edit)$/) { 937: return $token->[2]; 938: } 939: } 940: 941: sub insert_foil { 942: return ' 943: <foil name="" value="unused"> 944: <startouttext /> 945: <endouttext /> 946: </foil>'; 947: } 948: 949: sub insert_drawoptionlist { 950: return '<drawoptionlist />'; 951: } 952: 953: sub getnumrows { 954: my ($numitems) = @_; 955: my $bubbles_per_row; 956: my $default_numbubbles = 10; 957: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && 958: ($env{'form.bubbles_per_row'} > 0)) { 959: $bubbles_per_row = $env{'form.bubbles_per_row'}; 960: } else { 961: $bubbles_per_row = $default_numbubbles; 962: } 963: my $numrows = int ($numitems/$bubbles_per_row); 964: if (($numitems % $bubbles_per_row) != 0) { 965: $numrows ++; 966: } 967: return ($numrows,$bubbles_per_row); 968: } 969: 970: 1; 971: __END__ 972: 973: =head1 NAME 974: 975: Apache::optionresponse.pm; 976: 977: =head1 SYNOPSIS 978: 979: Handles tags associated with showing a list of 980: options. 981: 982: This is part of the LearningOnline Network with CAPA project 983: described at http://www.lon-capa.org. 984: 985: =head1 HANDLER SUBROUTINE 986: 987: start_optionresponse() 988: 989: =head1 OTHER SUBROUTINES 990: 991: =over 992: 993: =item end_optionresponse() 994: 995: =item start_foilgroup() 996: 997: =item end_foilgroup() 998: 999: =item getfoilcounts() 1000: 1001: =item displayanswers() 1002: 1003: =item check_for_invalid() 1004: 1005: =item displayfoils() 1006: 1007: =item optionlist_correction() 1008: 1009: =item webbubbles() 1010: 1011: =item bubbles() 1012: 1013: =item start_conceptgroup() 1014: 1015: =item end_conceptgroup() 1016: 1017: =item insert_conceptgroup() 1018: 1019: =item start_foil() 1020: 1021: =item end_foil() 1022: 1023: =item start_drawoptionlist() 1024: 1025: =item end_drawoptionlist() 1026: 1027: =item insert_foil() 1028: 1029: =item insert_drawoptionlist() 1030: 1031: =back 1032: 1033: =cut