Annotation of loncom/homework/optionresponse.pm, revision 1.134
1.46 sakharuk 1: # LearningOnline Network with CAPA
1.22 albertel 2: # option list style responses
1.27 albertel 3: #
1.134 ! foxr 4: # $Id: optionresponse.pm,v 1.133 2006/03/09 01:04:43 albertel Exp $
1.27 albertel 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: #
1.1 albertel 28: package Apache::optionresponse;
29: use strict;
1.103 albertel 30: use Apache::response();
31: use Apache::lonlocal;
1.125 albertel 32: use Apache::lonnet;
1.1 albertel 33:
1.31 harris41 34: BEGIN {
1.1 albertel 35: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
36: }
37:
38: sub start_optionresponse {
1.22 albertel 39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result='';
1.29 albertel 41: #when in a option response use these
1.112 sakharuk 42: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22 albertel 43: push (@Apache::lonxml::namespace,'optionresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
1.57 albertel 45: %Apache::hint::option=();
1.103 albertel 46: undef(%Apache::response::foilnames);
1.22 albertel 47: if ($target eq 'edit') {
1.23 albertel 48: $result.=&Apache::edit::start_table($token).
1.98 www 49: "<tr><td>Multiple Option Response Question ".
50: &Apache::loncommon::help_open_topic('Option_Response_Problems')."</td><td>Delete:".
1.23 albertel 51: &Apache::edit::deletelist($target,$token)
1.30 matthew 52: ."</td><td> ".
53: &Apache::edit::end_row().
54: &Apache::edit::start_spanning_row().
55: "\n";
1.48 albertel 56: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
57: $token,'4').
58: &Apache::edit::select_arg('Randomize Foil Order','randomize',
59: ['yes','no'],$token).
1.108 albertel 60: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
61: [['horizontal',&mt('Normal list')],
62: ['vertical',&mt('Listed in a vertical column')]],$token).
1.48 albertel 63: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34 albertel 64: } elsif ($target eq 'modified') {
1.23 albertel 65: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.108 albertel 66: $safeeval,'max','randomize',
67: 'TeXlayout');
1.22 albertel 68: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34 albertel 69: } elsif ($target eq 'meta') {
1.23 albertel 70: $result=&Apache::response::meta_package_write('optionresponse');
1.34 albertel 71: } elsif ($target eq 'analyze') {
1.93 albertel 72: my $part_id="$Apache::inputtags::part.$id";
1.34 albertel 73: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.22 albertel 74: }
75: return $result;
1.1 albertel 76: }
77:
78: sub end_optionresponse {
1.22 albertel 79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
80: &Apache::response::end_response;
81: pop @Apache::lonxml::namespace;
1.112 sakharuk 82: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22 albertel 83: my $result;
84: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.103 albertel 85: undef(%Apache::response::foilnames);
1.22 albertel 86: return $result;
1.1 albertel 87: }
88:
1.44 albertel 89: %Apache::response::foilgroup=();
1.1 albertel 90: sub start_foilgroup {
1.22 albertel 91: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
92:
93: my $result='';
1.44 albertel 94: %Apache::response::foilgroup=();
1.22 albertel 95: $Apache::optionresponse::conceptgroup=0;
1.110 albertel 96: &Apache::response::pushrandomnumber();
1.22 albertel 97: if ($target eq 'edit') {
98: my $optionlist="<option></option>\n";
99: my $option;
100: my @opt;
101: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
102: my $count=1;
103: foreach $option (@opt) {
104: $optionlist.="<option value=\"$count\">$option</option>\n";
105: $count++;
106: }
107: my $insertlist=&Apache::edit::insertlist($target,$token);
108: $result.=&Apache::edit::start_table($token);
109: $result.= (<<ENDTABLE);
110: <tr><td>Select Options</td>
1.13 albertel 111: <td>
112: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
113: </td>
114: <td>Delete an Option:
115: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
116: ENDTABLE
1.132 albertel 117: $result.= &Apache::edit::checked_arg('Print options:','texoptions',
118: [ ['nochoice','Don\'t show option list'] ]
119: ,$token);
1.30 matthew 120: $result.= &Apache::edit::end_row();
121: $result.= &Apache::edit::start_spanning_row();
122: $result.= $insertlist.'<br />';
1.22 albertel 123: }
124: if ($target eq 'modified') {
125: my @options;
126: my $optchanged=0;
127: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.125 albertel 128: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
129: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
1.22 albertel 130: &Apache::lonxml::debug("Deleting :$delopt:");
131: splice(@options,$delopt-1,1);
132: $optchanged=1;
133: }
1.125 albertel 134: if ($env{"form.$Apache::lonxml::curdepth.options"}) {
135: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
1.22 albertel 136: if ($options[0]) {
137: push(@options,$newopt);
138: } else {
139: $options[0]=$newopt;
140: }
141: $optchanged=1;
142: }
1.132 albertel 143: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
144: ('texoptions'));
145: if ($optchanged || $rebuildtag ) {
1.22 albertel 146: $result = "<foilgroup options=\"(";
147: foreach my $option (@options) {
1.41 albertel 148: $option=~s/\'/\\\'/g;
1.22 albertel 149: &Apache::lonxml::debug("adding option :$option:");
150: $result .="'".$option."',";
151: }
152: chop $result;
1.132 albertel 153: $result.=')" ';
154: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
155: $result .= '>';
1.22 albertel 156: } # else nothing changed so just use the default mechanism
157: }
1.68 sakharuk 158: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.109 albertel 159: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
160: \begin{enumerate} ';
1.42 sakharuk 161: }
1.22 albertel 162: return $result;
1.1 albertel 163: }
164:
165: sub end_foilgroup {
1.22 albertel 166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
167:
168: my $result;
1.94 albertel 169: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
170: $target eq 'tex' || $target eq 'analyze') {
1.81 sakharuk 171: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22 albertel 172: my $name;
173: my @opt;
174: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.126 albertel 175: &Apache::lonxml::debug("options:".join(':',@opt));
176:
1.108 albertel 177: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
178: -2,0);
1.81 sakharuk 179: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22 albertel 180: &Apache::lonxml::debug("Options are $#opt");
1.48 albertel 181: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
182: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
183: $safeeval,'-2');
1.32 sakharuk 184: if ($target eq 'web' || $target eq 'tex') {
1.107 sakharuk 185: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
1.25 albertel 186: } elsif ( $target eq 'answer') {
1.48 albertel 187: $result.=&displayanswers($max,$randomize,@opt);
1.34 albertel 188: } elsif ( $target eq 'analyze') {
1.93 albertel 189: my @shown = &whichfoils($max,$randomize);
1.94 albertel 190: &Apache::response::analyze_store_foilgroup(\@shown,
191: ['text','value','location']);
1.93 albertel 192: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
193: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22 albertel 194: } elsif ( $target eq 'grade') {
1.124 albertel 195: if ( &Apache::response::submitted()) {
1.48 albertel 196: my @whichopt = &whichfoils($max,$randomize);
1.22 albertel 197: my $temp=1;my $name;
1.26 albertel 198: my %responsehash;
1.57 albertel 199: my %grade;
1.22 albertel 200: my $right=0;
201: my $wrong=0;
202: my $ignored=0;
203: foreach $name (@whichopt) {
1.74 albertel 204: my $response=&Apache::response::getresponse($temp);
1.125 albertel 205: if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
1.74 albertel 206: $response = $opt[$response];
207: }
1.22 albertel 208: if ( $response =~ /[^\s]/) {
1.96 albertel 209: $responsehash{$name}=$response;
1.22 albertel 210: my $value=$Apache::response::foilgroup{$name.'.value'};
1.34 albertel 211: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57 albertel 212: if ($value eq $response) {
213: $grade{$name}='1'; $right++;
214: } else {
215: $grade{$name}='0'; $wrong++;
216: }
1.22 albertel 217: } else {
218: $ignored++;
219: }
220: $temp++;
221: }
1.28 albertel 222: my $part=$Apache::inputtags::part;
1.22 albertel 223: my $id = $Apache::inputtags::response['-1'];
1.28 albertel 224: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57 albertel 225: my $gradestr =&Apache::lonnet::hash2str(%grade);
1.28 albertel 226: my %previous=&Apache::response::check_for_previous($responsestr,
227: $part,$id);
1.22 albertel 228: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75 albertel 229: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
230: $responsestr;
231: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
232:
1.121 albertel 233: if ($Apache::lonhomework::type eq 'survey') {
234: if ($ignored == 0) {
235: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
236: &Apache::response::handle_previous(\%previous,$ad);
237: } elsif ($wrong==0 && $right==0) {
238: } else {
239: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
240: &Apache::response::handle_previous(\%previous,$ad);
241: }
242: } elsif (!$Apache::lonhomework::scantronmode) {
1.75 albertel 243: my $ad;
244: if ($wrong==0 && $ignored==0) {
245: $ad='EXACT_ANS';
246: } elsif ($wrong==0 && $right==0) {
247: #nothing submitted
248: } else {
249: if ($ignored==0) {
250: $ad='INCORRECT';
251: } else {
252: $ad='MISSING_ANSWER';
253: }
254: }
255: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
256: &Apache::response::handle_previous(\%previous,$ad);
1.22 albertel 257: } else {
1.75 albertel 258: my $ad;
259: if ($wrong==0 && $right==0) {
1.120 albertel 260: #nothing submitted only assign a score if we
261: #need to override a previous grade
262: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
263: $ad='ASSIGNED_SCORE';
264: }
1.75 albertel 265: } else {
266: $ad='ASSIGNED_SCORE';
267: }
268: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
269: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
270: $right/(scalar(@whichopt));
1.76 albertel 271: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
272: scalar(@whichopt);
1.1 albertel 273: }
1.22 albertel 274: }
1.1 albertel 275: }
1.92 sakharuk 276: &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.25 albertel 277: } elsif ($target eq 'edit') {
1.22 albertel 278: $result.=&Apache::edit::end_table();
1.74 albertel 279: }
280: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
281: $result .= '\end{enumerate}';
282: }
1.110 albertel 283: &Apache::response::poprandomnumber();
1.22 albertel 284: return $result;
1.1 albertel 285: }
286:
287: sub getfoilcounts {
1.48 albertel 288: my ($max)=@_;
1.22 albertel 289: # +1 since instructors will count from 1
290: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39 albertel 291: if (&Apache::response::showallfoils()) { $max=$count; }
1.48 albertel 292: if ($count>$max) { $count=$max }
293: &Apache::lonxml::debug("Count is $count from $max");
294: return $count;
1.1 albertel 295: }
296:
297: sub whichfoils {
1.77 albertel 298: my ($max,$randomize)=@_;
299: return &Apache::response::whichorder($max,$randomize,
300: &Apache::response::showallfoils(),
301: \%Apache::response::foilgroup);
1.1 albertel 302: }
303:
1.25 albertel 304: sub displayanswers {
1.130 albertel 305: my ($max,$randomize,@opt)=@_;
306: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
307: my @names = @{ $Apache::response::foilgroup{'names'} };
308: my @whichopt = &whichfoils($max,$randomize);
309: my $result;
310: if ($Apache::lonhomework::type eq 'exam') {
311: my $i = 0;
312: my %opt = map { ($_,$i++) } @opt;
313:
314: $i = 0;
315: my @alphabet = ('A'..'Z');
316: foreach my $name (@whichopt) {
317: $result.=&Apache::response::answer_header('optionresponse',$i++);
318: $result.=&Apache::response::answer_part('optionresponse',
319: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
320: $result.=&Apache::response::answer_part('optionresponse',
321: $Apache::response::foilgroup{$name.'.value'});
322: $result.=&Apache::response::answer_footer('optionresponse');
323: }
324: } else {
325: $result=&Apache::response::answer_header('optionresponse');
326: foreach my $name (@whichopt) {
327: $result.=&Apache::response::answer_part('optionresponse',
328: $Apache::response::foilgroup{$name.'.value'});
329: }
330: $result.=&Apache::response::answer_footer('optionresponse');
331: }
332: return $result;
1.25 albertel 333: }
334:
1.106 albertel 335: sub check_for_invalid {
336: my ($names,$options) = @_;
337: my %bad_names;
338: foreach my $name (@{ $names }) {
339: my $value=$Apache::response::foilgroup{$name.'.value'};
340: my $found=0;
341: foreach my $option (@{ $options }) {
342: if ($value eq $option) { $found=1; }
343: }
344: if (!$found) { $bad_names{$name}=$value; }
345: }
346: if (%bad_names) {
347: my $error=&mt('The question can not be gotten correct, '.
348: 'the following foils in the <optionresponse> '.
349: 'have invalid correct options').' <br /><tt>'.
350: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
351: "</tt>";
352: &Apache::lonxml::error($error);
353: }
354: }
355:
1.1 albertel 356: sub displayfoils {
1.107 sakharuk 357: my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
1.67 albertel 358: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.22 albertel 359: my @names = @{ $Apache::response::foilgroup{'names'} };
360: my @truelist;
361: my @falselist;
1.79 sakharuk 362: my $result;
1.22 albertel 363: my $name;
1.101 albertel 364: my $displayoptionintex=1;
1.72 sakharuk 365: my @alphabet = ('A'..'Z');
1.48 albertel 366: my @whichopt = &whichfoils($max,$randomize);
1.106 albertel 367: &check_for_invalid(\@whichopt,\@opt);
1.28 albertel 368: my $part=$Apache::inputtags::part;
369: my $id=$Apache::inputtags::response[-1];
1.62 albertel 370: my $break;
1.65 albertel 371: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
1.86 albertel 372: if ( ($target ne 'tex') &&
373: &Apache::response::show_answer() ) {
1.90 albertel 374: my $temp=1;
1.22 albertel 375: foreach $name (@whichopt) {
1.62 albertel 376: my $text=$Apache::response::foilgroup{$name.'.text'};
1.90 albertel 377: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
378: my $lastopt=$lastresponse{$name};
1.101 albertel 379: if ($text!~/^\s*$/) { $break='<br />'; }
1.62 albertel 380: $result.=$break;
1.113 sakharuk 381: if ($target eq 'web') {
1.62 albertel 382: my $value=$Apache::response::foilgroup{$name.'.value'};
383: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
384: if ($text=~/^\s*$/) {
385: $text=$value.$text;
386: } else {
1.127 albertel 387: $text='<b>'.$value.':</b> '.$text;
1.62 albertel 388: }
1.95 albertel 389: } else {
390: $text='•'.$text;
1.62 albertel 391: }
392: $result.=$text."\n";
1.112 sakharuk 393: }
1.58 sakharuk 394: if ($Apache::lonhomework::type eq 'exam') {
1.90 albertel 395: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58 sakharuk 396: }
1.90 albertel 397: $temp++;
1.22 albertel 398: }
399: } else {
400: my $temp=1;
1.28 albertel 401: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
1.79 sakharuk 402: my $internal_counter=$Apache::lonxml::counter;
1.22 albertel 403: foreach $name (@whichopt) {
1.62 albertel 404: my $text=$Apache::response::foilgroup{$name.'.text'};
405: if ($text!~/^\s*$/) {
406: if ($target eq 'tex') {
407: $break='\vskip 0 mm ';
408: } elsif ($target eq 'web') {
409: $break='<br />';
410: }
411: }
1.28 albertel 412: my $lastopt=$lastresponse{$name};
413: my $optionlist="<option></option>\n";
1.126 albertel 414: foreach my $option (@opt) {
415: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
416: if ($option eq $lastopt) {
1.133 albertel 417: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
1.126 albertel 418: } else {
419: $optionlist.="<option value='".$escopt."'>$option</option>\n";
420: }
1.28 albertel 421: }
1.32 sakharuk 422: if ($target ne 'tex') {
1.72 sakharuk 423: if ($Apache::lonhomework::type ne 'exam') {
1.101 albertel 424: $optionlist='<select name="HWVAL_'.
425: $Apache::inputtags::response['-1'].':'.$temp.'">'.
1.59 albertel 426: $optionlist."</select>\n";
1.101 albertel 427: } else {
428: $optionlist='<u>'.(' 'x10).'</u>';
1.72 sakharuk 429: }
1.101 albertel 430: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
431: if ($Apache::lonhomework::type ne 'exam') {
432: $text='•'.$text;
433: }
1.95 albertel 434: } else {
1.101 albertel 435: if ($Apache::lonhomework::type ne 'exam') {
436: $text=$optionlist.$text;
437: }
1.59 albertel 438: }
1.62 albertel 439: $result.=$break.$text."\n";
1.49 sakharuk 440: if ($Apache::lonhomework::type eq 'exam') {
1.101 albertel 441: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49 sakharuk 442: }
1.32 sakharuk 443: $temp++;
444: } else {
1.101 albertel 445: my $texoptionlist='';
446: if ($displayoptionintex &&
447: $Apache::lonhomework::type ne 'exam') {
1.107 sakharuk 448: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
1.101 albertel 449: }
450: if ($text=~/<drawoptionlist\s*\/>/) {
451: $text=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
452: }
453:
454: if ($text=~m/\\item /) {
1.50 sakharuk 455: if ($Apache::lonhomework::type eq 'exam') {
1.101 albertel 456: $text=~s/\\item/\\vskip 2 mm/;
1.50 sakharuk 457: }
1.101 albertel 458: $result.= $texoptionlist.$text;
1.32 sakharuk 459: } else {
1.101 albertel 460: if ($Apache::lonhomework::type eq 'exam') {
461: $result.= $texoptionlist.' '.$text;
1.46 sakharuk 462: } else {
1.107 sakharuk 463: if ($text=~/\S/) {$result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;} else {$result.= $texoptionlist;}
1.50 sakharuk 464: }
1.32 sakharuk 465: }
1.101 albertel 466: if ($Apache::lonhomework::type eq 'exam') {
467: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
468: $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
469: '\end{enumerate} \vskip -8 mm \strut ';
470: $internal_counter++;
471: }
472: $displayoptionintex=0;
1.62 albertel 473: }
1.1 albertel 474: }
1.62 albertel 475: }
1.32 sakharuk 476: if ($target ne 'tex') {
1.62 albertel 477: return $result.$break;
478: } else {
1.32 sakharuk 479: return $result;
1.22 albertel 480: }
1.50 sakharuk 481: }
482:
483:
1.134 ! foxr 484: # Correct a single option list element.
! 485: # - For embedded <display></display> tags,
! 486: # we pass literally the stuff between them.
! 487: # - For everything else, we run through latex_special_symbols
! 488: # so that any symbols that have meaning to LaTeX will be
! 489: # correctly escaped.
! 490: #
! 491: sub correct_option {
! 492: my $option = shift;
! 493:
! 494:
! 495: # There's probably a beter way with perl if I was
! 496: # more of a regexp wiz..(RF).
! 497:
! 498: my $strlen = length($option);
! 499: my $here = 0; # Where to start searching for <display></display>
! 500: my $result =""; # The return string is built here.
! 501:
! 502: while ($here < $strlen) {
! 503: # look for an opening <display> tag:
! 504:
! 505: my $openloc = index($option, "<display>", $here);
! 506: if ($openloc == -1) {
! 507: # No more... operate with latex_special_symbols on
! 508: # the rest of the string.
! 509:
! 510: $result .= &Apache::lonxml::latex_special_symbols(substr($option, $here));
! 511: return $result;
! 512: } else {
! 513: # Need to pass the string up to the <display> tag
! 514: # through l_s_s ...
! 515: $result .= &Apache::lonxml::latex_special_symbols(substr($option, $here, $openloc-$here));
! 516: }
! 517: # look for the closing </display> tag...
! 518: # We're a bit stupid..or tolerant...
! 519: # in that if the user forgets the </display> tag
! 520: # we infer they intended one at the end of the option.
! 521: $openloc += 9; # 9 chars in <display>
! 522:
! 523: my $closeloc = index($option, "</display>", $openloc); # 9 chars in <display>
! 524: if ($closeloc == -1) {
! 525: $closeloc = $strlen + 9; # 10chars in </display> faked off end.
! 526: }
! 527: # Pass from openloc through closeloc without any interpretation:
! 528:
! 529: &Apache::lonnet::logthis("Segment inside display: $openloc through $closeloc");
! 530: $result .= substr($option, $openloc, $closeloc - $openloc);
! 531: $here = $closeloc + 10; # Next search is after the </display>
! 532: }
! 533:
! 534: return $result;
! 535:
! 536: # return &Apache::lonxml::latex_special_symbols($option);
! 537: }
! 538:
! 539: # Correct the option list elements so that if there
! 540: # are special symbosl that have meaning to LaTeX
! 541: # they get fixed up to display correctly.
! 542:
1.50 sakharuk 543: sub optionlist_correction {
1.107 sakharuk 544: my ($TeXlayout,@options) = @_;
1.101 albertel 545: my $texoptionlist='\\item [] Choices: ';
1.107 sakharuk 546: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
1.101 albertel 547: if (scalar(@options) > 0) {
548: foreach my $option (@options) {
549: $texoptionlist.='{\bf '.
1.134 ! foxr 550: &correct_option($option).
1.107 sakharuk 551: '}';
552: if ($TeXlayout eq 'vertical') {
553: $texoptionlist.=' \vskip 0 mm ',
554: } else {
1.115 sakharuk 555: $texoptionlist.=', ';
1.107 sakharuk 556: }
1.101 albertel 557: }
1.116 albertel 558: $texoptionlist=~s/, $//;
1.107 sakharuk 559: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
1.80 sakharuk 560: } else {
1.107 sakharuk 561: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
1.80 sakharuk 562: }
1.50 sakharuk 563: return $texoptionlist;
1.58 sakharuk 564: }
565:
566:
567: sub webbubbles {
1.90 albertel 568: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58 sakharuk 569: my @opt=@$ropt;
570: my @alphabet=@$ralphabet;
571: my $result='';
1.90 albertel 572: my $number_of_bubbles = $#opt + 1;
573: $result.= '<table border="1"><tr>';
574: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
575: my $checked='';
576: if ($lastopt eq $opt[$ind]) {
577: $checked=' checked="on" ';
1.58 sakharuk 578: }
1.90 albertel 579: $result.='<td><input type="radio" name="HWVAL_'.
580: $Apache::inputtags::response['-1'].':'.$temp.
1.111 albertel 581: '" value="'.$opt[$ind].'" '.$checked.' />';
582: if ($alphabet[$ind]) {
583: $result.=$alphabet[$ind].': ';
584: }
585: $result.=$opt[$ind].'</td>';
1.90 albertel 586: }
587: $result.='</tr></table>';
588: return $result;
1.50 sakharuk 589: }
590:
591:
592: sub bubbles {
1.119 albertel 593: my ($ralphabet,$ropt,$response) = @_;
594: my @alphabet = @$ralphabet;
1.50 sakharuk 595: my @opt = @$ropt;
1.51 sakharuk 596: my ($result,$head,$line) =('','','');
1.50 sakharuk 597: my $number_of_bubbles = $#opt + 1;
1.51 sakharuk 598: my $current_length = 0;
1.100 sakharuk 599: my $textwidth;
1.125 albertel 600: if ($env{'form.textwidth'} ne '') {
601: $env{'form.textwidth'}=~/(\d+)/;
1.100 sakharuk 602: $textwidth=$1;
603: } else {
1.125 albertel 604: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.102 sakharuk 605: $textwidth=$1.'.'.$2;
1.100 sakharuk 606: }
1.51 sakharuk 607: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
1.99 sakharuk 608: my $leftmargin;
1.101 albertel 609: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
1.119 albertel 610: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
1.99 sakharuk 611: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
1.102 sakharuk 612: $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
1.99 sakharuk 613: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
1.51 sakharuk 614: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
615: $head.='lr';
616: } else {
617: $line=~s/\&\s*$//;
1.131 albertel 618: $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
1.51 sakharuk 619: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
620: $head ='lr';
621: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
622: }
623:
1.50 sakharuk 624: }
625: return $result;
1.1 albertel 626: }
627:
1.22 albertel 628:
1.2 albertel 629: sub start_conceptgroup {
1.22 albertel 630: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
631: $Apache::optionresponse::conceptgroup=1;
1.44 albertel 632: %Apache::response::conceptgroup=();
1.22 albertel 633: my $result;
634: if ($target eq 'edit') {
635: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30 matthew 636: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
637: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22 albertel 638: }
639: if ($target eq 'modified') {
640: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
641: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
642: }
643: return $result;
1.2 albertel 644: }
645:
646: sub end_conceptgroup {
1.22 albertel 647: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
648: $Apache::optionresponse::conceptgroup=0;
649: my $result='';
1.93 albertel 650: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
651: $target eq 'tex' || $target eq 'analyze') {
1.22 albertel 652: #if not there aren't any foils to display and thus no question
1.93 albertel 653: &Apache::response::pick_foil_for_concept($target,
654: ['value','text','location'],
655: \%Apache::hint::option,
656: $parstack,$safeeval);
1.34 albertel 657: } elsif ($target eq 'edit') {
1.22 albertel 658: $result=&Apache::edit::end_table();
659: }
660: return $result;
1.2 albertel 661: }
662:
1.16 albertel 663: sub insert_conceptgroup {
1.22 albertel 664: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
665: return $result;
1.16 albertel 666: }
667:
1.1 albertel 668: sub start_foil {
1.22 albertel 669: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
670: my $result='';
1.34 albertel 671: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.105 albertel 672: &Apache::lonxml::startredirection;
673: if ($target eq 'analyze') {
674: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
675: }
1.25 albertel 676: } elsif ($target eq 'edit') {
1.22 albertel 677: $result=&Apache::edit::tag_start($target,$token,"Foil");
678: my $level='-2';
679: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
680: my @opt;
681: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
682: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48 albertel 683: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
684: ['unused',(@opt)],$token,'15');
685: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
686: $safeeval,'-3');
687: if ($randomize ne 'no') {
688: $result.=&Apache::edit::select_arg('Location:','location',
689: ['random','top','bottom'],$token);
690: }
1.30 matthew 691: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25 albertel 692: } elsif ($target eq 'modified') {
1.48 albertel 693: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
694: 'value','name','location');
1.22 albertel 695: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32 sakharuk 696: }
1.22 albertel 697: return $result;
1.1 albertel 698: }
699:
700: sub end_foil {
1.22 albertel 701: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
702: my $text ='';
703: my $result = '';
1.88 albertel 704: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.48 albertel 705: $text=&Apache::lonxml::endredirection;
1.114 sakharuk 706: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
1.107 sakharuk 707: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
1.32 sakharuk 708: }
709: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
1.34 albertel 710: || $target eq 'tex' || $target eq 'analyze') {
1.22 albertel 711: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.122 albertel 712: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
713: $text='\vskip 5mm $\triangleright$ '.$text;
714: }
1.22 albertel 715: if ($value ne 'unused') {
716: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
717: &Apache::lonxml::debug("Got a name of :$name:");
1.129 albertel 718: if ($name eq "") {
1.128 albertel 719: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.123 albertel 720: $name=$Apache::lonxml::curdepth;
721: }
1.22 albertel 722: &Apache::lonxml::debug("Using a name of :$name:");
1.103 albertel 723: if (defined($Apache::response::foilnames{$name})) {
724: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
725: }
1.104 albertel 726: $Apache::response::foilnames{$name}++;
1.103 albertel 727: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.39 albertel 728: if ( $Apache::optionresponse::conceptgroup
729: && !&Apache::response::showallfoils() ) {
1.22 albertel 730: push @{ $Apache::response::conceptgroup{'names'} }, $name;
731: $Apache::response::conceptgroup{"$name.value"} = $value;
1.122 albertel 732: $Apache::response::conceptgroup{"$name.text"} = $text;
1.48 albertel 733: $Apache::response::conceptgroup{"$name.location"} = $location;
1.22 albertel 734: } else {
735: push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48 albertel 736: $Apache::response::foilgroup{"$name.value"} = $value;
1.122 albertel 737: $Apache::response::foilgroup{"$name.text"} = $text;
1.48 albertel 738: $Apache::response::foilgroup{"$name.location"} = $location;
1.22 albertel 739: }
740: }
741: }
742: if ($target eq 'edit') {
743: $result.= &Apache::edit::tag_end($target,$token,'');
744: }
745: return $result;
1.1 albertel 746: }
747:
1.112 sakharuk 748: sub start_drawoptionlist {
749: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.117 albertel 750: if ($target ne 'meta') {
751: return $token->[4];
752: }
1.112 sakharuk 753: }
754:
755: sub end_drawoptionlist {
756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.117 albertel 757: if ($target ne 'meta') {
758: return $token->[2];
759: }
1.112 sakharuk 760: }
761:
1.7 albertel 762: sub insert_foil {
1.22 albertel 763: return '
1.15 albertel 764: <foil name="" value="unused">
1.14 albertel 765: <startouttext />
766: <endouttext />
1.7 albertel 767: </foil>';
768: }
1.1 albertel 769: 1;
770: __END__
771:
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