loncom/homework/radiobuttonresponse.pm - view

File: [LON-CAPA] / loncom / homework / radiobuttonresponse.pm
Revision 1.110: download - view: text, annotated - select for diffs
Tue Dec 19 11:05:21 2006 UTC (17 years, 4 months ago) by foxr
Branches: MAIN
CVS tags: version_2_3_X, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_99_1, HEAD

BUG 4795 - Survey printing fails 'cause displayallfoils has no
conditional branches for $target eq 'tex'.  Put in a first crack at this.
NOTE: are the opportunities for a refactoriziation of the display of a single
foil between displayallfoils and display foil?

1: # The LearningOnline Network with CAPA 2: # mutliple choice style responses 3: # 4: # $Id: radiobuttonresponse.pm,v 1.110 2006/12/19 11:05:21 foxr 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: package Apache::radiobuttonresponse; 30: use strict; 31: use HTML::Entities(); 32: use Apache::lonlocal; 33: use Apache::lonnet; 34: 35: BEGIN { 36: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); 37: } 38: 39: sub start_radiobuttonresponse { 40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 41: my $result; 42: #when in a radiobutton response use these 43: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); 44: push (@Apache::lonxml::namespace,'radiobuttonresponse'); 45: my $id = &Apache::response::start_response($parstack,$safeeval); 46: %Apache::hint::radiobutton=(); 47: undef(%Apache::response::foilnames); 48: if ($target eq 'meta') { 49: $result=&Apache::response::meta_package_write('radiobuttonresponse'); 50: } elsif ($target eq 'edit' ) { 51: $result.=&Apache::edit::start_table($token). 52: '<tr><td>'.&Apache::lonxml::description($token). 53: &Apache::loncommon::help_open_topic('Radio_Response_Problems'). 54: "</td><td>Delete:". 55: &Apache::edit::deletelist($target,$token) 56: ."</td><td>&nbsp".&Apache::edit::end_row() 57: .&Apache::edit::start_spanning_row(); 58: $result.= 59: &Apache::edit::text_arg('Max Number Of Shown Foils:','max', 60: $token,'4'). 61: &Apache::edit::select_arg('Randomize Foil Order','randomize', 62: ['yes','no'],$token). 63: &Apache::edit::select_arg('Display Direction','direction', 64: ['vertical','horizontal'],$token). 65: &Apache::edit::end_row(). 66: &Apache::edit::start_spanning_row()."\n"; 67: } elsif ($target eq 'modified') { 68: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 69: $safeeval,'max', 70: 'randomize','direction'); 71: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 72: } elsif ($target eq 'tex') { 73: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval, 74: undef,0); 75: if ($type eq '1') { 76: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}'; 77: } elsif ($type eq 'A') { 78: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; 79: } elsif ($type eq 'a') { 80: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}'; 81: } elsif ($type eq 'i') { 82: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}'; 83: } else { 84: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; 85: } 86: $result .= '\begin{enumerate}'; 87: } elsif ($target eq 'analyze') { 88: my $part_id="$Apache::inputtags::part.$id"; 89: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); 90: } 91: return $result; 92: } 93: 94: sub end_radiobuttonresponse { 95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 96: my $result; 97: if ($target eq 'edit') { $result=&Apache::edit::end_table(); } 98: if ($target eq 'tex') { $result .= '\end{enumerate}'; } 99: &Apache::response::end_response; 100: pop @Apache::lonxml::namespace; 101: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); 102: undef(%Apache::response::foilnames); 103: return $result; 104: } 105: 106: %Apache::response::foilgroup=(); 107: sub start_foilgroup { 108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 109: my $result; 110: %Apache::response::foilgroup=(); 111: $Apache::radiobuttonresponse::conceptgroup=0; 112: &Apache::response::pushrandomnumber(); 113: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { 114: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]'; 115: } 116: return $result; 117: } 118: 119: sub storesurvey { 120: if ( !&Apache::response::submitted() ) { return ''; } 121: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']}; 122: &Apache::lonxml::debug("Here I am!:$response:"); 123: if ( $response !~ /[0-9]+/) { return ''; } 124: my $part = $Apache::inputtags::part; 125: my $id = $Apache::inputtags::response['-1']; 126: my @whichfoils=@{ $Apache::response::foilgroup{'names'} }; 127: my %responsehash; 128: $responsehash{$whichfoils[$response]}=$response; 129: my $responsestr=&Apache::lonnet::hash2str(%responsehash); 130: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 131: $responsestr; 132: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id); 133: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED'; 134: &Apache::response::handle_previous(\%previous,$ad); 135: &Apache::lonxml::debug("submitted a $response<br />\n"); 136: return ''; 137: } 138: 139: sub grade_response { 140: my ($max,$randomize)=@_; 141: #keep the random numbers the same must always call this 142: my ($answer,@whichfoils)=&whichfoils($max,$randomize); 143: if ( !&Apache::response::submitted() ) { return; } 144: my $response; 145: if ($env{'form.submitted'} eq 'scantron') { 146: $response=&Apache::response::getresponse(); 147: } else { 148: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']}; 149: } 150: if ( $response !~ /[0-9]+/) { return; } 151: my $part=$Apache::inputtags::part; 152: my $id = $Apache::inputtags::response['-1']; 153: my %responsehash; 154: $responsehash{$whichfoils[$response]}=$response; 155: my $responsestr=&Apache::lonnet::hash2str(%responsehash); 156: my %previous=&Apache::response::check_for_previous($responsestr, 157: $part,$id); 158: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 159: $responsestr; 160: &Apache::lonxml::debug("submitted a $response<br />\n"); 161: my $ad; 162: if ($response == $answer) { 163: $ad='EXACT_ANS'; 164: } else { 165: $ad='INCORRECT'; 166: } 167: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 168: &Apache::response::handle_previous(\%previous,$ad); 169: } 170: 171: sub end_foilgroup { 172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 173: 174: my $result; 175: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 176: $target eq 'tex' || $target eq 'analyze') { 177: my $style = $Apache::lonhomework::type; 178: my $direction = &Apache::lonxml::get_param('direction',$parstack, 179: $safeeval,'-2'); 180: if ( $style eq 'survey' && $target ne 'analyze') { 181: if ($target eq 'web' || $target eq 'tex') { 182: $result=&displayallfoils($direction, $target); 183: } elsif ( $target eq 'answer' ) { 184: $result=&displayallanswers(); 185: } elsif ( $target eq 'grade' ) { 186: $result=&storesurvey(); 187: } 188: } else { 189: my $name; 190: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval, 191: '-2'); 192: my $randomize = &Apache::lonxml::get_param('randomize',$parstack, 193: $safeeval,'-2'); 194: if ($target eq 'web' || $target eq 'tex') { 195: $result=&displayfoils($target,$max,$randomize,$direction); 196: } elsif ($target eq 'answer' ) { 197: $result=&displayanswers($max,$randomize); 198: } elsif ( $target eq 'grade') { 199: &grade_response($max,$randomize); 200: } elsif ( $target eq 'analyze') { 201: my @shown = &whichfoils($max,$randomize); 202: &Apache::response::analyze_store_foilgroup(\@shown, 203: ['text','value','location']); 204: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 205: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} }, 206: ('true','false')); 207: } 208: } 209: } 210: &Apache::response::poprandomnumber(); 211: &Apache::lonxml::increment_counter(); 212: return $result; 213: } 214: 215: sub getfoilcounts { 216: my @names; 217: my $truecnt=0; 218: my $falsecnt=0; 219: my $name; 220: if ( $Apache::response::foilgroup{'names'} ) { 221: @names= @{ $Apache::response::foilgroup{'names'} }; 222: } 223: foreach $name (@names) { 224: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 225: $truecnt++; 226: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { 227: $falsecnt++; 228: } 229: } 230: return ($truecnt,$falsecnt); 231: } 232: 233: sub displayallfoils { 234: my ($direction, $target)=@_; 235: my $result; 236: &Apache::lonxml::debug("survey style display"); 237: my @names; 238: if ( $Apache::response::foilgroup{'names'} ) { 239: @names= @{ $Apache::response::foilgroup{'names'} }; 240: } 241: my $temp=0; 242: my $i =0; 243: my $id=$Apache::inputtags::response['-1']; 244: my $part=$Apache::inputtags::part; 245: my $lastresponse= 246: $Apache::lonhomework::history{"resource.$part.$id.submission"}; 247: if ($direction eq 'horizontal') { $result.='<table><tr>'; } 248: my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 249: if (&Apache::response::show_answer() ) { 250: foreach my $name (@names) { 251: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { 252: if (($direction eq 'horizontal') && ($target ne 'tex')) { 253: $result.="<td>"; 254: } else { 255: if ($target eq 'tex') { 256: $result .= '\item \vskip -2mm '; 257: } else { 258: $result.="<br />"; 259: } 260: } 261: if (defined($lastresponse{$name})) { 262: if ($target eq 'tex') { 263: $result .= '}'; 264: } else { 265: $result.='<b>'; 266: } 267: } 268: $result .= $Apache::response::foilgroup{$name.'.text'}; 269: if (defined($lastresponse{$name}) && ($target ne 'tex')) { 270: $result.='</b>'; 271: } 272: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; } 273: } 274: } 275: } else { 276: foreach my $name (@names) { 277: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { 278: if ($direction eq 'horizontal') { 279: $result.="<td>"; 280: } else { 281: if ($target eq 'tex') { 282: $result .= '\item \vskip -2mm '; 283: } else { 284: $result.="<br />"; 285: } 286: } 287: if ($target eq 'tex') { 288: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs 289: $i++; 290: } else { 291: $result .= '<label>'; 292: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" "; 293: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; } 294: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}. 295: '</label>'; 296: } 297: $temp++; 298: if ($target ne 'tex') { 299: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; } 300: } else { 301: $result.='\vskip 0 mm '; 302: } 303: } 304: } 305: } 306: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; } 307: return $result; 308: } 309: 310: sub whichfoils { 311: my ($max,$randomize)=@_; 312: 313: my @truelist; 314: my @falselist; 315: my @whichfalse =(); 316: my ($truecnt,$falsecnt) = &getfoilcounts(); 317: my $count=0; 318: # we will add in 1 of the true statements 319: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; } 320: my $answer=int(&Math::Random::random_uniform() * ($count)); 321: &Apache::lonxml::debug("Count is $count, $answer is $answer"); 322: my @names; 323: if ( $Apache::response::foilgroup{'names'} ) { 324: @names= @{ $Apache::response::foilgroup{'names'} }; 325: } 326: if (&Apache::response::showallfoils()) { 327: @whichfalse=@names; 328: } elsif ($randomize eq 'no') { 329: &Apache::lonxml::debug("No randomization"); 330: my $havetrue=0; 331: foreach my $name (@names) { 332: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 333: if (!$havetrue ) { 334: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse; 335: } 336: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { 337: push (@whichfalse,$name); 338: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { 339: } else { 340: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"')); 341: } 342: } 343: if (!$havetrue && $Apache::lonhomework::type ne 'survey') { 344: &Apache::lonxml::error("There are no true statements available.<br />"); 345: } 346: } else { 347: my $current=0; 348: &Apache::lonhomework::showhash(%Apache::response::foilgroup); 349: my (%top,%bottom); 350: #first find out where everyone wants to be 351: foreach my $name (@names) { 352: $current++; 353: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 354: push (@truelist,$name); 355: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { 356: $top{$name}=$current; 357: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { 358: $bottom{$name}=$current; 359: } 360: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { 361: push (@falselist,$name); 362: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { 363: $top{$name}=$current; 364: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { 365: $bottom{$name}=$current; 366: } 367: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { 368: } else { 369: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"')); 370: } 371: } 372: #pick a true statement 373: my $notrue=0; 374: if (scalar(@truelist) == 0) { $notrue=1; } 375: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1)); 376: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue"); 377: my (@toplist, @bottomlist); 378: my $topcount=0; 379: my $bottomcount=0; 380: # assign everyone to either toplist/bottomlist or whichfalse 381: # which false is randomized, toplist bottomlist are in order 382: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) { 383: &Apache::lonxml::debug("Have $#whichfalse max is $max"); 384: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1)); 385: &Apache::lonxml::debug("From $#falselist elms, picking $afalse"); 386: $afalse=splice(@falselist,$afalse,1); 387: &Apache::lonxml::debug("Picked $afalse"); 388: &Apache::lonhomework::showhash(('names'=>\@names)); 389: &Apache::lonhomework::showhash(%top); 390: if ($top{$afalse}) { 391: $toplist[$top{$afalse}]=$afalse; 392: $topcount++; 393: } elsif ($bottom{$afalse}) { 394: $bottomlist[$bottom{$afalse}]=$afalse; 395: $bottomcount++; 396: } else { 397: push (@whichfalse,$afalse); 398: } 399: } 400: &Apache::lonxml::debug("Answer wants $answer"); 401: my $truename=$truelist[$whichtrue]; 402: my $dosplice=1; 403: if ($notrue && $Apache::lonhomework::type ne 'survey') { 404: $dosplice=0; 405: &Apache::lonxml::error("There are no true statements available.<br />"); 406: } 407: #insert the true statement, keeping track of where it wants to be 408: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) { 409: $toplist[$top{$truename}]=$truename; 410: $answer=-1; 411: foreach my $top (reverse(@toplist)) { 412: if ($top) { $answer++;} 413: if ($top eq $truename) { last; } 414: } 415: $dosplice=0; 416: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) { 417: $bottomlist[$bottom{$truename}]=$truename; 418: $answer=-1; 419: foreach my $bot (@bottomlist) { 420: if ($bot) { $answer++;} 421: if ($bot eq $truename) { last; } 422: } 423: $answer+=$topcount+$#whichfalse+1; 424: $dosplice=0; 425: } else { 426: if ($topcount>0 || $bottomcount>0) { 427: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1)) 428: + $topcount; 429: } 430: } 431: &Apache::lonxml::debug("Answer now wants $answer"); 432: #add the top items to the top, bottom items to the bottom 433: for (my $i=0;$i<=$#toplist;$i++) { 434: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) } 435: } 436: for (my $i=0;$i<=$#bottomlist;$i++) { 437: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) } 438: } 439: #if the true statement is randomized insert it into the list 440: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); } 441: } 442: &Apache::lonxml::debug("Answer is $answer"); 443: return ($answer,@whichfalse); 444: } 445: 446: sub displayfoils { 447: my ($target,$max,$randomize,$direction)=@_; 448: my $result; 449: 450: my ($answer,@whichfoils)=&whichfoils($max,$randomize); 451: my $part=$Apache::inputtags::part; 452: my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; 453: if ( ($target ne 'tex') && 454: &Apache::response::show_answer() ) { 455: if ($direction eq 'horizontal') { 456: if ($target ne 'tex') { 457: $result.='<table><tr>'; 458: } 459: } 460: foreach my $name (@whichfoils) { 461: if ($direction eq 'horizontal') { 462: if ($target ne 'tex') { $result.='<td>'; } 463: } 464: if ($target ne 'tex') { 465: $result.="<br />"; 466: } else { 467: $result.='\item \vskip -2 mm '; 468: } 469: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 470: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';} 471: } else { 472: $result.='Incorrect:'; 473: } 474: if ($target eq 'web') { $result.="<label>"; } 475: $result.=$Apache::response::foilgroup{$name.'.text'}; 476: if ($target eq 'web') { $result.="</label>"; } 477: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 478: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';} 479: } 480: if ($direction eq 'horizontal') { 481: if ($target ne 'tex') { $result.='</td>'; } 482: } 483: } 484: if ($direction eq 'horizontal') { 485: if ($target ne 'tex') { 486: $result.='</tr></table>'; 487: } 488: } 489: } else { 490: my @alphabet = ('A'..'Z'); 491: my $i = 0; 492: my $temp=0; 493: my $id=$Apache::inputtags::response['-1']; 494: my $part=$Apache::inputtags::part; 495: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; 496: my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 497: if ($target ne 'tex' && $direction eq 'horizontal') { 498: $result.="<table><tr>"; 499: } 500: foreach my $name (@whichfoils) { 501: if ($target ne 'tex') { 502: if ($direction eq 'horizontal') { 503: $result.="<td>"; 504: } else { 505: $result.="<br />"; 506: } 507: } 508: if ($target ne 'tex') { 509: $result.= '<label>'; 510: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" "; 511: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; } 512: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>"; 513: } else { 514: if ($Apache::lonhomework::type eq 'exam') { 515: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs 516: $i++; 517: } else { 518: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'}; 519: } 520: } 521: if ($target ne 'tex' && $direction eq 'horizontal') { 522: $result.="</td>"; 523: } 524: $temp++; 525: } 526: if ($target ne 'tex' && $direction eq 'horizontal') { 527: $result.="</tr></table>"; 528: } 529: } 530: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; } 531: return $result; 532: } 533: 534: sub displayallanswers { 535: my @names; 536: if ( $Apache::response::foilgroup{'names'} ) { 537: @names= @{ $Apache::response::foilgroup{'names'} }; 538: } 539: 540: my $result=&Apache::response::answer_header('radiobuttonresponse'); 541: foreach my $name (@names) { 542: $result.=&Apache::response::answer_part('radiobuttonresponse', 543: $Apache::response::foilgroup{$name.'.value'}); 544: } 545: $result.=&Apache::response::answer_footer('radiobuttonresponse'); 546: return $result; 547: } 548: 549: sub displayanswers { 550: my ($max,$randomize)=@_; 551: my ($answer,@whichopt) = &whichfoils($max,$randomize); 552: my $result=&Apache::response::answer_header('radiobuttonresponse'); 553: if ($Apache::lonhomework::type eq 'exam') { 554: my $correct = ('A'..'Z')[$answer]; 555: $result.=&Apache::response::answer_part('radiobuttonresponse', 556: $correct); 557: } 558: foreach my $name (@whichopt) { 559: $result.=&Apache::response::answer_part('radiobuttonresponse', 560: $Apache::response::foilgroup{$name.'.value'}); 561: } 562: $result.=&Apache::response::answer_footer('radiobuttonresponse'); 563: return $result; 564: } 565: 566: sub start_conceptgroup { 567: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 568: $Apache::radiobuttonresponse::conceptgroup=1; 569: %Apache::response::conceptgroup=(); 570: my $result; 571: if ($target eq 'edit') { 572: $result.=&Apache::edit::tag_start($target,$token); 573: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). 574: &Apache::edit::end_row().&Apache::edit::start_spanning_row(); 575: } elsif ($target eq 'modified') { 576: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 577: $safeeval,'concept'); 578: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 579: } 580: return $result; 581: } 582: 583: sub end_conceptgroup { 584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 585: $Apache::radiobuttonresponse::conceptgroup=0; 586: my $result; 587: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || 588: $target eq 'tex' || $target eq 'analyze') { 589: &Apache::response::pick_foil_for_concept($target, 590: ['value','text','location'], 591: \%Apache::hint::radiobutton, 592: $parstack,$safeeval); 593: } elsif ($target eq 'edit') { 594: $result=&Apache::edit::end_table(); 595: } 596: return $result; 597: } 598: 599: sub insert_conceptgroup { 600: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n"; 601: return $result; 602: } 603: 604: sub start_foil { 605: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 606: my $result=''; 607: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 608: &Apache::lonxml::startredirection; 609: if ($target eq 'analyze') { 610: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value'); 611: } 612: } elsif ($target eq 'edit') { 613: $result=&Apache::edit::tag_start($target,$token); 614: $result.=&Apache::edit::text_arg('Name:','name',$token); 615: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value', 616: ['unused','true','false'], 617: $token); 618: my $randomize=&Apache::lonxml::get_param('randomize',$parstack, 619: $safeeval,'-3'); 620: if ($randomize ne 'no') { 621: $result.=&Apache::edit::select_arg('Location:','location', 622: ['random','top','bottom'],$token); 623: } 624: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 625: } elsif ($target eq 'modified') { 626: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 627: $safeeval,'value','name', 628: 'location'); 629: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 630: } 631: return $result; 632: } 633: 634: sub end_foil { 635: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 636: my $text=''; 637: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 638: $text=&Apache::lonxml::endredirection; 639: } 640: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 641: || $target eq 'tex' || $target eq 'analyze') { 642: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); 643: if ($value ne 'unused') { 644: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 645: if ($name eq "") { 646: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction."); 647: $name=$Apache::lonxml::curdepth; 648: } 649: if (defined($Apache::response::foilnames{$name})) { 650: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name)); 651: } 652: $Apache::response::foilnames{$name}++; 653: my $location =&Apache::lonxml::get_param('location',$parstack, 654: $safeeval); 655: if ( $Apache::radiobuttonresponse::conceptgroup 656: && !&Apache::response::showallfoils() ) { 657: push @{ $Apache::response::conceptgroup{'names'} }, $name; 658: $Apache::response::conceptgroup{"$name.value"} = $value; 659: $Apache::response::conceptgroup{"$name.text"} = $text; 660: $Apache::response::conceptgroup{"$name.location"} = $location; 661: } else { 662: push @{ $Apache::response::foilgroup{'names'} }, $name; 663: $Apache::response::foilgroup{"$name.value"} = $value; 664: $Apache::response::foilgroup{"$name.text"} = $text; 665: $Apache::response::foilgroup{"$name.location"} = $location; 666: } 667: } 668: } 669: return ''; 670: } 671: 672: sub insert_foil { 673: return ' 674: <foil name="" value="unused"> 675: <startouttext /> 676: <endouttext /> 677: </foil>'; 678: } 679: 1; 680: __END__ 681: