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Bug #2294: now only needs editing interface
1: # LearningOnline Network with CAPA 2: # option list style responses 3: # 4: # $Id: optionresponse.pm,v 1.161 2010/02/05 21:38:41 www 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::response(); 36: use Apache::lonlocal; 37: use Apache::lonnet; 38: 39: BEGIN { 40: &Apache::lonxml::register('Apache::optionresponse',('optionresponse')); 41: } 42: 43: sub start_optionresponse { 44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 45: my $result=''; 46: #when in a option response use these 47: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); 48: push (@Apache::lonxml::namespace,'optionresponse'); 49: my $id = &Apache::response::start_response($parstack,$safeeval); 50: %Apache::hint::option=(); 51: undef(%Apache::response::foilnames); 52: if ($target eq 'edit') { 53: $result.=&Apache::edit::start_table($token) 54: .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> ' 55: .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>" 56: .'<td><span class="LC_nobreak">'.&mt('Delete?').' ' 57: .&Apache::edit::deletelist($target,$token) 58: .'</span></td>' 59: ."<td> " 60: .&Apache::edit::end_row() 61: .&Apache::edit::start_spanning_row() 62: ."\n"; 63: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max', 64: $token,'4'). 65: &Apache::edit::select_arg('Randomize Foil Order:','randomize', 66: ['yes','no'],$token). 67: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout', 68: [['horizontal','Normal list'], 69: ['vertical','Listed in a vertical column']],$token). 70: &Apache::edit::end_row().&Apache::edit::start_spanning_row(); 71: } elsif ($target eq 'modified') { 72: my $constructtag=&Apache::edit::get_new_args($token,$parstack, 73: $safeeval,'max','randomize', 74: 'TeXlayout'); 75: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 76: } elsif ($target eq 'meta') { 77: $result=&Apache::response::meta_package_write('optionresponse'); 78: } elsif ($target eq 'analyze') { 79: my $part_id="$Apache::inputtags::part.$id"; 80: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse'; 81: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); 82: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1); 83: 84: } 85: return $result; 86: } 87: 88: sub end_optionresponse { 89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 90: &Apache::response::end_response; 91: pop @Apache::lonxml::namespace; 92: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); 93: my $result; 94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); } 95: undef(%Apache::response::foilnames); 96: return $result; 97: } 98: 99: %Apache::response::foilgroup=(); 100: sub start_foilgroup { 101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 102: 103: my $result=''; 104: %Apache::response::foilgroup=(); 105: $Apache::optionresponse::conceptgroup=0; 106: &Apache::response::pushrandomnumber(); 107: if ($target eq 'edit') { 108: my $optionlist="<option></option>\n"; 109: my $option; 110: my @opt; 111: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval); 112: my $count=1; 113: foreach $option (@opt) { 114: $optionlist.="<option value=\"$count\">$option</option>\n"; 115: $count++; 116: } 117: my $insertlist=&Apache::edit::insertlist($target,$token); 118: $result.=&Apache::edit::start_table($token); 119: $result.= (<<ENDTABLE); 120: <tr><td>Select Options</td> 121: <td> 122: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" /> 123: </td> 124: <td>Delete an Option: 125: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select> 126: ENDTABLE 127: $result.= &Apache::edit::checked_arg('Print options:','texoptions', 128: [ ['nochoice','Don\'t show option list'] ] 129: ,$token); 130: $result.= &Apache::edit::end_row(); 131: $result.= &Apache::edit::start_spanning_row(); 132: $result.= $insertlist.'<br />'; 133: } 134: if ($target eq 'modified') { 135: my @options; 136: my $optchanged=0; 137: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval); 138: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) { 139: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"}; 140: &Apache::lonxml::debug("Deleting :$delopt:"); 141: splice(@options,$delopt-1,1); 142: $optchanged=1; 143: } 144: if ($env{"form.$Apache::lonxml::curdepth.options"}) { 145: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"}; 146: if ($options[0]) { 147: push(@options,$newopt); 148: } else { 149: $options[0]=$newopt; 150: } 151: $optchanged=1; 152: } 153: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval, 154: ('texoptions')); 155: if ($optchanged || $rebuildtag ) { 156: $result = "<foilgroup options=\"("; 157: foreach my $option (@options) { 158: $option=~s/\'/\\\'/g; 159: &Apache::lonxml::debug("adding option :$option:"); 160: $result .="'".$option."',"; 161: } 162: chop $result; 163: $result.=')" '; 164: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" '; 165: $result .= '>'; 166: } # else nothing changed so just use the default mechanism 167: } 168: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 169: if($env{'form.pdfFormFields'} ne 'yes') { 170: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.} 171: \begin{enumerate} '; 172: } else { 173: $result .= "\\\\"; 174: } 175: } 176: return $result; 177: } 178: 179: sub end_foilgroup { 180: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 181: 182: my $result; 183: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 184: $target eq 'tex' || $target eq 'analyze') { 185: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval); 186: my $name; 187: my @opt; 188: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval); 189: &Apache::lonxml::debug("options:".join(':',@opt)); 190: 191: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval, 192: -2,0); 193: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval); 194: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();} 195: &Apache::lonxml::debug("Options are $#opt"); 196: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); 197: my $randomize = &Apache::lonxml::get_param('randomize',$parstack, 198: $safeeval,'-2'); 199: if ($target eq 'web' || $target eq 'tex') { 200: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt); 201: $Apache::lonxml::post_evaluate=0; 202: } elsif ( $target eq 'answer') { 203: $result.=&displayanswers($max,$randomize,@opt); 204: 205: } elsif ( $target eq 'analyze') { 206: my @shown = &whichfoils($max,$randomize); 207: &Apache::response::analyze_store_foilgroup(\@shown, 208: ['text','value','location']); 209: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; 210: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt); 211: } elsif ( $target eq 'grade') { 212: if ( &Apache::response::submitted()) { 213: my @whichopt = &whichfoils($max,$randomize); 214: my $temp=1;my $name; 215: my %responsehash; 216: my %grade; 217: my $right=0; 218: my $wrong=0; 219: my $ignored=0; 220: foreach $name (@whichopt) { 221: my $response=&Apache::response::getresponse($temp); 222: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) { 223: $response = $opt[$response]; 224: } 225: if ( $response =~ /[^\s]/) { 226: $responsehash{$name}=$response; 227: my $value=$Apache::response::foilgroup{$name.'.value'}; 228: &Apache::lonxml::debug("submitted a $response for $value<br />\n"); 229: if ($value eq $response) { 230: $grade{$name}='1'; $right++; 231: } else { 232: $grade{$name}='0'; $wrong++; 233: } 234: } else { 235: $ignored++; 236: } 237: $temp++; 238: } 239: my $part=$Apache::inputtags::part; 240: my $id = $Apache::inputtags::response['-1']; 241: my $responsestr=&Apache::lonnet::hash2str(%responsehash); 242: my $gradestr =&Apache::lonnet::hash2str(%grade); 243: my %previous=&Apache::response::check_for_previous($responsestr, 244: $part,$id); 245: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored"); 246: $Apache::lonhomework::results{"resource.$part.$id.submission"}= 247: $responsestr; 248: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr; 249: 250: if ($Apache::lonhomework::type eq 'survey') { 251: if ($ignored == 0) { 252: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED'; 253: &Apache::response::handle_previous(\%previous,$ad); 254: } elsif ($wrong==0 && $right==0) { 255: } else { 256: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER'; 257: &Apache::response::handle_previous(\%previous,$ad); 258: } 259: } elsif (!$Apache::lonhomework::scantronmode) { 260: my $ad; 261: if ($wrong==0 && $ignored==0) { 262: $ad='EXACT_ANS'; 263: } elsif ($wrong==0 && $right==0) { 264: #nothing submitted 265: } else { 266: if ($ignored==0) { 267: $ad='INCORRECT'; 268: } else { 269: $ad='MISSING_ANSWER'; 270: } 271: } 272: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 273: &Apache::response::handle_previous(\%previous,$ad); 274: } else { 275: my $ad; 276: if ($wrong==0 && $right==0) { 277: #nothing submitted only assign a score if we 278: #need to override a previous grade 279: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) { 280: $ad='ASSIGNED_SCORE'; 281: } 282: } else { 283: $ad='ASSIGNED_SCORE'; 284: } 285: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; 286: $Apache::lonhomework::results{"resource.$part.$id.awarded"}= 287: $right/(scalar(@whichopt)); 288: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}= 289: scalar(@whichopt); 290: } 291: } 292: } 293: my $part_id = $Apache::inputtags::part; 294: my $response_id = $Apache::inputtags::response[-1]; 295: &Apache::lonxml::increment_counter(&getfoilcounts($max), 296: "$part_id.$response_id"); 297: if ($target eq 'analyze') { 298: &Apache::lonhomework::set_bubble_lines(); 299: } 300: 301: } elsif ($target eq 'edit') { 302: $result.=&Apache::edit::end_table(); 303: } 304: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { 305: if($env{'form.pdfFormFields'} ne 'yes') { 306: $result .= '\end{enumerate}'; 307: } else { 308: $result .= "\\\\"; 309: } 310: } 311: &Apache::response::poprandomnumber(); 312: return $result; 313: } 314: 315: sub getfoilcounts { 316: my ($max)=@_; 317: # +1 since instructors will count from 1 318: my $count = $#{ $Apache::response::foilgroup{'names'} }+1; 319: if (&Apache::response::showallfoils()) { $max=$count; } 320: if ($count>$max) { $count=$max } 321: &Apache::lonxml::debug("Count is $count from $max"); 322: return $count; 323: } 324: 325: sub whichfoils { 326: my ($max,$randomize)=@_; 327: return &Apache::response::whichorder($max,$randomize, 328: &Apache::response::showallfoils(), 329: \%Apache::response::foilgroup); 330: } 331: 332: sub displayanswers { 333: my ($max,$randomize,@opt)=@_; 334: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;} 335: my @names = @{ $Apache::response::foilgroup{'names'} }; 336: my @whichopt = &whichfoils($max,$randomize); 337: my $result; 338: if ($Apache::lonhomework::type eq 'exam') { 339: my $i = 0; 340: my %opt = map { ($_,$i++) } @opt; 341: 342: $i = 0; 343: my @alphabet = ('A'..'Z'); 344: foreach my $name (@whichopt) { 345: $result.=&Apache::response::answer_header('optionresponse',$i++); 346: $result.=&Apache::response::answer_part('optionresponse', 347: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]); 348: $result.=&Apache::response::answer_part('optionresponse', 349: $Apache::response::foilgroup{$name.'.value'}); 350: $result.=&Apache::response::answer_footer('optionresponse'); 351: } 352: } else { 353: $result=&Apache::response::answer_header('optionresponse'); 354: foreach my $name (@whichopt) { 355: $result.=&Apache::response::answer_part('optionresponse', 356: $Apache::response::foilgroup{$name.'.value'}); 357: } 358: $result.=&Apache::response::answer_footer('optionresponse'); 359: } 360: return $result; 361: } 362: 363: sub check_box_opt { 364: my ($target,$checkboxvalue,@opt)=@_; 365: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options. 366: # If so, return "checked" value 367: if ($#opt!=1) { return ''; } 368: if ($target ne 'web') { return ''; } 369: return $checkboxvalue; 370: } 371: 372: sub check_for_invalid { 373: my ($names,$options) = @_; 374: my %bad_names; 375: foreach my $name (@{ $names }) { 376: my $value=$Apache::response::foilgroup{$name.'.value'}; 377: my $found=0; 378: foreach my $option (@{ $options }) { 379: if ($value eq $option) { $found=1; } 380: } 381: if (!$found) { $bad_names{$name}=$value; } 382: } 383: if (%bad_names) { 384: my $error=&mt('The question can not be gotten correct, '. 385: 'the following foils in the <optionresponse> '. 386: 'have invalid correct options').' <br /><tt>'. 387: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))). 388: "</tt>"; 389: &Apache::lonxml::error($error); 390: } 391: } 392: 393: sub displayfoils { 394: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,@opt)=@_; 395: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;} 396: my @names = @{ $Apache::response::foilgroup{'names'} }; 397: my @truelist; 398: my @falselist; 399: my $result; 400: my $name; 401: my $displayoptionintex=1; 402: my @alphabet = ('A'..'Z'); 403: my @whichopt = &whichfoils($max,$randomize); 404: &check_for_invalid(\@whichopt,\@opt); 405: my $part=$Apache::inputtags::part; 406: my $id=$Apache::inputtags::response[-1]; 407: my $break; 408: my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; 409: if ( ($target ne 'tex') && 410: &Apache::response::show_answer() ) { 411: my $temp=1; 412: foreach $name (@whichopt) { 413: my $text=$Apache::response::foilgroup{$name.'.text'}; 414: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); 415: my $lastopt=$lastresponse{$name}; 416: if ($text!~/^\s*$/) { $break='<br />'; } 417: $result.=$break; 418: if ($target eq 'web') { 419: my $value=$Apache::response::foilgroup{$name.'.value'}; 420: if (!($text=~s|<drawoptionlist\s*/>|$value|)) { 421: if ($text=~/^\s*$/) { 422: $text=$value.$text; 423: } else { 424: $text='<b>'.$value.':</b> '.$text; 425: } 426: } else { 427: $text='•'.$text; 428: } 429: $result.=$text."\n"; 430: } 431: if ($Apache::lonhomework::type eq 'exam') { 432: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); 433: } 434: $temp++; 435: } 436: } else { 437: my $temp=1; 438: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); 439: my $internal_counter=$Apache::lonxml::counter; 440: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt); 441: if ($checkboxopt) { 442: $result.='<br />'.&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. '. 443: &mt('Select all that are <b>[_1]</b>.',$checkboxopt); 444: } 445: foreach $name (@whichopt) { 446: my $text=$Apache::response::foilgroup{$name.'.text'}; 447: if ($text!~/^\s*$/) { 448: if ($target eq 'tex') { 449: $break='\vskip 0 mm '; 450: } elsif ($target eq 'web') { 451: $break='<br />'; 452: } 453: } 454: my $lastopt=$lastresponse{$name}; 455: my $optionlist="<option></option>\n"; 456: 457: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes' 458: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 459: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp; 460: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname); 461: } 462: 463: foreach my $option (@opt) { 464: my $escopt=&HTML::Entities::encode($option,'\'"&<>'); 465: if ($option eq $lastopt) { 466: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 467: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 468: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 469: } else { 470: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n"; 471: } 472: } else { 473: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 474: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 475: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 476: } else { 477: $optionlist.="<option value='".$escopt."'>$option</option>\n"; 478: } 479: } 480: } 481: if ($target ne 'tex') { 482: if ($Apache::lonhomework::type ne 'exam') { 483: # we are on the web, this is not an exam, and the problem can be answered 484: if ($checkboxopt) { 485: # generate checkboxes 486: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp; 487: my $altopt=$opt[0]; 488: if ($opt[0] eq $checkboxopt) { 489: $altopt=$opt[1]; 490: } 491: my $defopt=$lastopt; 492: unless ($defopt) { $defopt=$altopt; } 493: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>'); 494: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>'); 495: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>'); 496: # checkboxopt is how the box is labelled 497: # altopt is the alternative option 498: # lastopt is what the user submitted before 499: # defopt is what the field is going to start out with: either previous choice or altopt 500: # fieldname is this input field's name after HWVAL_ 501: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'. 502: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'. 503: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n"; 504: } else { 505: # classic selection list 506: $optionlist='<select onchange="javascript:setSubmittedPart(\''. 507: $part.'\');" name="HWVAL_'. 508: $Apache::inputtags::response['-1'].':'.$temp.'">'. 509: $optionlist."</select>\n"; 510: } 511: } else { 512: $optionlist='<u>'.(' 'x10).'</u>'; 513: } 514: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) { 515: if ($Apache::lonhomework::type ne 'exam') { 516: $text='•'.$text; 517: } 518: } else { 519: if ($Apache::lonhomework::type ne 'exam') { 520: $text=$optionlist.$text; 521: } 522: } 523: $result.=$break.$text."\n"; 524: if ($Apache::lonhomework::type eq 'exam') { 525: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); 526: } 527: $temp++; 528: } else { 529: my $texoptionlist=''; 530: if ($displayoptionintex && 531: $Apache::lonhomework::type ne 'exam') { 532: $texoptionlist = &optionlist_correction($TeXlayout,@opt); 533: } 534: if ($text=~/<drawoptionlist\s*\/>/) { 535: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g; 536: } 537: 538: if ($text=~m/\\item /) { 539: if ($Apache::lonhomework::type eq 'exam') { 540: $text=~s/\\item/\\vskip 2 mm/; 541: } elsif ($env{'form.pdfFormFields'} ne 'yes') { 542: $result.= $texoptionlist.$text; 543: } 544: } else { 545: if ($Apache::lonhomework::type eq 'exam') { 546: $result.= $texoptionlist.' '.$text; 547: } elsif ($env{'form.pdfFormFields'} ne 'yes') { 548: if ($text=~/\S/) { 549: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text; 550: } else { 551: $result.= $texoptionlist; 552: } 553: } 554: } 555: if ($Apache::lonhomework::type eq 'exam') { 556: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'. 557: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt). 558: '\end{enumerate} \vskip -8 mm \strut '; 559: $internal_counter++; 560: } 561: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' 562: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { 563: $text =~ s/\\item//m; 564: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\'; 565: $temp++; 566: } 567: $displayoptionintex=0; 568: } 569: } 570: } 571: 572: if ($target eq 'web') { 573: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer, 574: [\@whichopt, 575: 'submissiongrading']); 576: } 577: 578: if ($target ne 'tex') { 579: return $result.$break; 580: } else { 581: return $result; 582: } 583: } 584: 585: 586: sub optionlist_correction { 587: my ($TeXlayout,@options) = @_; 588: my $texoptionlist='\\item [] '.&mt('Choices:').' '; 589: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';} 590: if (scalar(@options) > 0) { 591: foreach my $option (@options) { 592: $texoptionlist.='{\bf '. 593: &Apache::lonxml::latex_special_symbols($option). 594: '}'; 595: if ($TeXlayout eq 'vertical') { 596: $texoptionlist.=' \vskip 0 mm ', 597: } else { 598: $texoptionlist.=', '; 599: } 600: } 601: $texoptionlist=~s/, $//; 602: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';} 603: } else { 604: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';} 605: } 606: return $texoptionlist; 607: } 608: 609: 610: sub webbubbles { 611: my ($ropt,$ralphabet,$temp,$lastopt)=@_; 612: my @opt=@$ropt; 613: my @alphabet=@$ralphabet; 614: my $result=''; 615: my $number_of_bubbles = $#opt + 1; 616: $result.= '<table border="1"><tr>'; 617: for (my $ind=0;$ind<$number_of_bubbles;$ind++) { 618: my $checked=''; 619: if ($lastopt eq $opt[$ind]) { 620: $checked=' checked="on" '; 621: } 622: $result.='<td><input type="radio" name="HWVAL_'. 623: $Apache::inputtags::response['-1'].':'.$temp. 624: '" value="'.$opt[$ind].'" '.$checked.' />'; 625: if ($alphabet[$ind]) { 626: $result.=$alphabet[$ind].': '; 627: } 628: $result.=$opt[$ind].'</td>'; 629: } 630: $result.='</tr></table>'; 631: return $result; 632: } 633: 634: 635: sub bubbles { 636: my ($ralphabet,$ropt,$response, $max_width) = @_; 637: my @alphabet = @$ralphabet; 638: my @opt = @$ropt; 639: my ($result,$head,$line) =('','',''); 640: my $number_of_bubbles = $#opt + 1; 641: my $current_length = 0; 642: my $textwidth; 643: if (defined($max_width)) { 644: $textwidth=$max_width; 645: &Apache::lonxml::debug("Max width passed in: $max_width"); 646: } elsif ($env{'form.textwidth'} ne '') { 647: $env{'form.textwidth'}=~/(\d+)/; 648: $textwidth=$1; 649: &Apache::lonxml::debug("Max width from form: $textwidth"); 650: } else { 651: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/; 652: $textwidth=$1.'.'.$2; 653: &Apache::lonxml::debug("Max width defaults? $textwidth"); 654: } 655: &Apache::lonxml::debug("Final maxwidth: $textwidth"); 656: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) { 657: my $leftmargin; 658: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]); 659: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];} 660: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;} 661: 662: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2; 663: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) { 664: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; 665: $head.='lr'; 666: } else { 667: $line=~s/\&\s*$//; 668: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm'; 669: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';; 670: $head ='lr'; 671: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2; 672: } 673: 674: } 675: return $result; 676: } 677: 678: 679: sub start_conceptgroup { 680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 681: $Apache::optionresponse::conceptgroup=1; 682: %Apache::response::conceptgroup=(); 683: my $result; 684: if ($target eq 'edit') { 685: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils"); 686: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). 687: &Apache::edit::end_row().&Apache::edit::start_spanning_row(); 688: } 689: if ($target eq 'modified') { 690: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept'); 691: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 692: } 693: return $result; 694: } 695: 696: sub end_conceptgroup { 697: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 698: $Apache::optionresponse::conceptgroup=0; 699: my $result=''; 700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || 701: $target eq 'tex' || $target eq 'analyze') { 702: #if not there aren't any foils to display and thus no question 703: &Apache::response::pick_foil_for_concept($target, 704: ['value','text','location'], 705: \%Apache::hint::option, 706: $parstack,$safeeval); 707: } elsif ($target eq 'edit') { 708: $result=&Apache::edit::end_table(); 709: } 710: return $result; 711: } 712: 713: sub insert_conceptgroup { 714: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n"; 715: return $result; 716: } 717: 718: sub start_foil { 719: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 720: my $result=''; 721: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) { 722: &Apache::lonxml::startredirection; 723: if ($target eq 'analyze') { 724: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value'); 725: } 726: } elsif ($target eq 'edit') { 727: $result=&Apache::edit::tag_start($target,$token,"Foil"); 728: my $level='-2'; 729: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; } 730: my @opt; 731: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level); 732: $result.=&Apache::edit::text_arg('Name:','name',$token); 733: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value', 734: ['unused',(@opt)],$token,'15'); 735: my $randomize=&Apache::lonxml::get_param('randomize',$parstack, 736: $safeeval,'-3'); 737: if ($randomize ne 'no') { 738: $result.=&Apache::edit::select_arg('Location:','location', 739: ['random','top','bottom'],$token); 740: } 741: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); 742: } elsif ($target eq 'modified') { 743: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, 744: 'value','name','location'); 745: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } 746: } 747: return $result; 748: } 749: 750: sub end_foil { 751: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 752: my $text =''; 753: my $result = ''; 754: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 755: $text=&Apache::lonxml::endredirection; 756: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;} 757: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 758: } 759: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 760: || $target eq 'tex' || $target eq 'analyze') { 761: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); 762: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { 763: $text='\vskip 5mm $\triangleright$ '.$text; 764: } 765: if ($value ne 'unused') { 766: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); 767: &Apache::lonxml::debug("Got a name of :$name:"); 768: if ($name eq "") { 769: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); 770: $name=$Apache::lonxml::curdepth; 771: } 772: &Apache::lonxml::debug("Using a name of :$name:"); 773: if (defined($Apache::response::foilnames{$name})) { 774: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>')); 775: } 776: $Apache::response::foilnames{$name}++; 777: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval); 778: if ( $Apache::optionresponse::conceptgroup 779: && !&Apache::response::showallfoils() ) { 780: push @{ $Apache::response::conceptgroup{'names'} }, $name; 781: $Apache::response::conceptgroup{"$name.value"} = $value; 782: $Apache::response::conceptgroup{"$name.text"} = $text; 783: $Apache::response::conceptgroup{"$name.location"} = $location; 784: } else { 785: push @{ $Apache::response::foilgroup{'names'} }, $name; 786: $Apache::response::foilgroup{"$name.value"} = $value; 787: $Apache::response::foilgroup{"$name.text"} = $text; 788: $Apache::response::foilgroup{"$name.location"} = $location; 789: } 790: } 791: } 792: if ($target eq 'edit') { 793: $result.= &Apache::edit::tag_end($target,$token,''); 794: } 795: return $result; 796: } 797: 798: sub start_drawoptionlist { 799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 800: if ($target !~ /^(?:meta|answer|modified|edit)$/) { 801: return $token->[4]; 802: } 803: } 804: 805: sub end_drawoptionlist { 806: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; 807: if ($target !~ /^(?:meta|answer|modified|edit)$/) { 808: return $token->[2]; 809: } 810: } 811: 812: sub insert_foil { 813: return ' 814: <foil name="" value="unused"> 815: <startouttext /> 816: <endouttext /> 817: </foil>'; 818: } 819: 820: sub insert_drawoptionlist { 821: return '<drawoptionlist />'; 822: } 823: 1; 824: __END__ 825: 826: =head1 NAME 827: 828: Apache::optionresponse.pm; 829: 830: =head1 SYNOPSIS 831: 832: Handles tags associated with showing a list of 833: options. 834: 835: This is part of the LearningOnline Network with CAPA project 836: described at http://www.lon-capa.org. 837: 838: =head1 HANDLER SUBROUTINE 839: 840: start_optionresponse() 841: 842: =head1 OTHER SUBROUTINES 843: 844: =over 845: 846: =item end_optionresponse() 847: 848: =item start_foilgroup() 849: 850: =item end_foilgroup() 851: 852: =item getfoilcounts() 853: 854: =item displayanswers() 855: 856: =item check_for_invalid() 857: 858: =item displayfoils() 859: 860: =item optionlist_correction() 861: 862: =item webbubbles() 863: 864: =item bubbles() 865: 866: =item start_conceptgroup() 867: 868: =item end_conceptgroup() 869: 870: =item insert_conceptgroup() 871: 872: =item start_foil() 873: 874: =item end_foil() 875: 876: =item start_drawoptionlist() 877: 878: =item end_drawoptionlist() 879: 880: =item insert_foil() 881: 882: =item insert_drawoptionlist() 883: 884: =back 885: 886: =cut