Annotation of loncom/homework/optionresponse.pm, revision 1.189
1.46 sakharuk 1: # LearningOnline Network with CAPA
1.22 albertel 2: # option list style responses
1.27 albertel 3: #
1.189 ! raeburn 4: # $Id: optionresponse.pm,v 1.188 2012/11/30 11:45:50 foxr 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: #
1.154 jms 28:
29:
30:
31:
32:
1.1 albertel 33: package Apache::optionresponse;
34: use strict;
1.103 albertel 35: use Apache::response();
36: use Apache::lonlocal;
1.125 albertel 37: use Apache::lonnet;
1.1 albertel 38:
1.31 harris41 39: BEGIN {
1.1 albertel 40: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
41: }
42:
43: sub start_optionresponse {
1.22 albertel 44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result='';
1.29 albertel 46: #when in a option response use these
1.112 sakharuk 47: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22 albertel 48: push (@Apache::lonxml::namespace,'optionresponse');
49: my $id = &Apache::response::start_response($parstack,$safeeval);
1.57 albertel 50: %Apache::hint::option=();
1.103 albertel 51: undef(%Apache::response::foilnames);
1.22 albertel 52: if ($target eq 'edit') {
1.153 bisitz 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";
1.48 albertel 63: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
64: $token,'4').
1.153 bisitz 65: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.48 albertel 66: ['yes','no'],$token).
1.108 albertel 67: &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
1.157 raeburn 68: [['horizontal','Normal list'],
69: ['vertical','Listed in a vertical column']],$token).
1.48 albertel 70: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34 albertel 71: } elsif ($target eq 'modified') {
1.23 albertel 72: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.108 albertel 73: $safeeval,'max','randomize',
74: 'TeXlayout');
1.22 albertel 75: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34 albertel 76: } elsif ($target eq 'meta') {
1.23 albertel 77: $result=&Apache::response::meta_package_write('optionresponse');
1.34 albertel 78: } elsif ($target eq 'analyze') {
1.93 albertel 79: my $part_id="$Apache::inputtags::part.$id";
1.149 raeburn 80: $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
1.34 albertel 81: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.148 raeburn 82: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
1.145 foxr 83:
1.22 albertel 84: }
85: return $result;
1.1 albertel 86: }
87:
88: sub end_optionresponse {
1.22 albertel 89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
90: &Apache::response::end_response;
91: pop @Apache::lonxml::namespace;
1.112 sakharuk 92: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22 albertel 93: my $result;
94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.103 albertel 95: undef(%Apache::response::foilnames);
1.22 albertel 96: return $result;
1.1 albertel 97: }
98:
1.44 albertel 99: %Apache::response::foilgroup=();
1.1 albertel 100: sub start_foilgroup {
1.22 albertel 101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
102:
103: my $result='';
1.44 albertel 104: %Apache::response::foilgroup=();
1.22 albertel 105: $Apache::optionresponse::conceptgroup=0;
1.173 raeburn 106: &Apache::response::pushrandomnumber(undef,$target);
1.22 albertel 107: if ($target eq 'edit') {
108: my $optionlist="<option></option>\n";
109: my $option;
110: my @opt;
1.188 foxr 111: my @raw_options = &Apache::lonxml::get_param('options', $parstack, $safeeval, 0, 0, 1);
112:
113:
114: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
115:
1.22 albertel 116: my $count=1;
117: foreach $option (@opt) {
118: $optionlist.="<option value=\"$count\">$option</option>\n";
119: $count++;
120: }
121: my $insertlist=&Apache::edit::insertlist($target,$token);
122: $result.=&Apache::edit::start_table($token);
123: $result.= (<<ENDTABLE);
124: <tr><td>Select Options</td>
1.13 albertel 125: <td>
126: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
127: </td>
128: <td>Delete an Option:
129: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
1.162 www 130: </td>
1.13 albertel 131: ENDTABLE
1.162 www 132: $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
1.132 albertel 133: [ ['nochoice','Don\'t show option list'] ]
1.162 www 134: ,$token).'</td>';
135: $result.= '<td><label>'.&mt('Two-option checkboxes for:').
136: '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
137: foreach $option (('',@opt)) {
138: $result.='<option value="'.$option.'"';
139: if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
140: $result.=' selected="selected"';
141: }
142: $result.='>'.$option.'</option>';
143: }
1.172 www 144: $result.='</select></label>';
145: $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
146: [ ['nochoice','Don\'t show option list'] ]
147: ,$token).'</td>';
1.30 matthew 148: $result.= &Apache::edit::end_row();
149: $result.= &Apache::edit::start_spanning_row();
150: $result.= $insertlist.'<br />';
1.22 albertel 151: }
152: if ($target eq 'modified') {
153: my @options;
154: my $optchanged=0;
1.188 foxr 155:
156:
157: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
158:
1.125 albertel 159: if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
160: my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
1.22 albertel 161: &Apache::lonxml::debug("Deleting :$delopt:");
162: splice(@options,$delopt-1,1);
163: $optchanged=1;
164: }
1.180 raeburn 165: if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') {
1.125 albertel 166: my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
1.180 raeburn 167: push(@options,$newopt);
1.22 albertel 168: $optchanged=1;
169: }
1.132 albertel 170: my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
1.172 www 171: 'texoptions','checkboxvalue','checkboxoptions');
1.132 albertel 172: if ($optchanged || $rebuildtag ) {
1.22 albertel 173: $result = "<foilgroup options=\"(";
174: foreach my $option (@options) {
1.41 albertel 175: $option=~s/\'/\\\'/g;
1.22 albertel 176: &Apache::lonxml::debug("adding option :$option:");
177: $result .="'".$option."',";
178: }
179: chop $result;
1.132 albertel 180: $result.=')" ';
181: $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
1.172 www 182: $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
1.162 www 183: $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
1.132 albertel 184: $result .= '>';
1.22 albertel 185: } # else nothing changed so just use the default mechanism
186: }
1.68 sakharuk 187: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.152 onken 188: if($env{'form.pdfFormFields'} ne 'yes') {
1.167 raeburn 189: $result .= ' \begin{itemize} ';
1.152 onken 190: } else {
191: $result .= "\\\\";
192: }
1.42 sakharuk 193: }
1.22 albertel 194: return $result;
1.1 albertel 195: }
196:
197: sub end_foilgroup {
1.22 albertel 198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199:
200: my $result;
1.94 albertel 201: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
202: $target eq 'tex' || $target eq 'analyze') {
1.81 sakharuk 203: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22 albertel 204: my $name;
205: my @opt;
206: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.126 albertel 207: &Apache::lonxml::debug("options:".join(':',@opt));
208:
1.108 albertel 209: my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
210: -2,0);
1.161 www 211: my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
1.172 www 212: my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
1.186 foxr 213: my $noprompt =&Apache::lonxml::get_param('noprompt', $parstack, $safeeval);
214:
1.81 sakharuk 215: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22 albertel 216: &Apache::lonxml::debug("Options are $#opt");
1.48 albertel 217: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
218: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
219: $safeeval,'-2');
1.32 sakharuk 220: if ($target eq 'web' || $target eq 'tex') {
1.186 foxr 221: $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch, $noprompt, @opt);
1.137 albertel 222: $Apache::lonxml::post_evaluate=0;
1.25 albertel 223: } elsif ( $target eq 'answer') {
1.48 albertel 224: $result.=&displayanswers($max,$randomize,@opt);
1.136 foxr 225:
1.34 albertel 226: } elsif ( $target eq 'analyze') {
1.93 albertel 227: my @shown = &whichfoils($max,$randomize);
1.94 albertel 228: &Apache::response::analyze_store_foilgroup(\@shown,
229: ['text','value','location']);
1.93 albertel 230: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
231: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22 albertel 232: } elsif ( $target eq 'grade') {
1.175 www 233:
1.124 albertel 234: if ( &Apache::response::submitted()) {
1.175 www 235:
1.48 albertel 236: my @whichopt = &whichfoils($max,$randomize);
1.22 albertel 237: my $temp=1;my $name;
1.26 albertel 238: my %responsehash;
1.57 albertel 239: my %grade;
1.22 albertel 240: my $right=0;
241: my $wrong=0;
242: my $ignored=0;
1.177 raeburn 243: my ($numrows,$bubbles_per_row);
244: if ($Apache::lonhomework::scantronmode) {
245: my $numitems = scalar(@opt);
246: ($numrows,$bubbles_per_row) =
247: &Apache::optionresponse::getnumrows($numitems);
248: }
249: if ($numrows < 1) {
250: $numrows = 1;
251: }
1.22 albertel 252: foreach $name (@whichopt) {
1.177 raeburn 253: my $response;
254: if ($env{'form.submitted'} eq 'scantron') {
255: if ($numrows > 1) {
256: my $num = $temp;
257: my $totalnum;
258: for (my $i=0; $i<$numrows; $i++) {
259: my $item = &Apache::response::getresponse($num);
260: if ($item =~ /^\d+$/) {
261: $totalnum = $i*$bubbles_per_row + $item;
262: }
263: $num ++;
264: }
265: if ($totalnum =~ /^\d+$/) {
266: $response = $opt[$totalnum];
267: }
268: $temp += $numrows;
269: } else {
1.178 raeburn 270: $response=&Apache::response::getresponse($temp);
1.177 raeburn 271: if ($response=~/\S/) {
272: $response = $opt[$response];
273: }
274: $temp ++;
275: }
276: } else {
1.178 raeburn 277: $response=&Apache::response::getresponse($temp);
1.177 raeburn 278: $temp ++;
279: }
1.22 albertel 280: if ( $response =~ /[^\s]/) {
1.96 albertel 281: $responsehash{$name}=$response;
1.22 albertel 282: my $value=$Apache::response::foilgroup{$name.'.value'};
1.34 albertel 283: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57 albertel 284: if ($value eq $response) {
285: $grade{$name}='1'; $right++;
286: } else {
287: $grade{$name}='0'; $wrong++;
288: }
1.22 albertel 289: } else {
290: $ignored++;
291: }
292: }
1.28 albertel 293: my $part=$Apache::inputtags::part;
1.184 raeburn 294: my $nonlenient=&grading_is_nonlenient($part);
1.22 albertel 295: my $id = $Apache::inputtags::response['-1'];
1.28 albertel 296: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57 albertel 297: my $gradestr =&Apache::lonnet::hash2str(%grade);
1.28 albertel 298: my %previous=&Apache::response::check_for_previous($responsestr,
299: $part,$id);
1.22 albertel 300: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75 albertel 301: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
302: $responsestr;
303: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
1.173 raeburn 304: if ($Apache::lonhomework::type eq 'randomizetry') {
305: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
306: }
1.163 raeburn 307: if (($Apache::lonhomework::type eq 'survey') ||
308: ($Apache::lonhomework::type eq 'surveycred') ||
309: ($Apache::lonhomework::type eq 'anonsurvey') ||
310: ($Apache::lonhomework::type eq 'anonsurveycred')) {
1.121 albertel 311: if ($ignored == 0) {
1.163 raeburn 312: my $ad;
313: if ($Apache::lonhomework::type eq 'anonsurveycred') {
314: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
315: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
316: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
317: } elsif ($Apache::lonhomework::type eq 'surveycred') {
318: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
319: } else {
320: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
321: }
1.121 albertel 322: &Apache::response::handle_previous(\%previous,$ad);
323: } elsif ($wrong==0 && $right==0) {
324: } else {
325: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
326: &Apache::response::handle_previous(\%previous,$ad);
327: }
1.174 www 328: } elsif ($nonlenient) {
329: #
330: # Non-lenient mode. All right or all wrong
331: #
1.75 albertel 332: my $ad;
333: if ($wrong==0 && $ignored==0) {
334: $ad='EXACT_ANS';
335: } elsif ($wrong==0 && $right==0) {
336: #nothing submitted
337: } else {
338: if ($ignored==0) {
339: $ad='INCORRECT';
340: } else {
341: $ad='MISSING_ANSWER';
342: }
343: }
344: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
345: &Apache::response::handle_previous(\%previous,$ad);
1.22 albertel 346: } else {
1.174 www 347: #
348: # This is lenient mode
349: #
1.75 albertel 350: my $ad;
351: if ($wrong==0 && $right==0) {
1.120 albertel 352: #nothing submitted only assign a score if we
353: #need to override a previous grade
354: if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
355: $ad='ASSIGNED_SCORE';
356: }
1.75 albertel 357: } else {
358: $ad='ASSIGNED_SCORE';
359: }
360: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
361: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
362: $right/(scalar(@whichopt));
1.76 albertel 363: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
364: scalar(@whichopt);
1.1 albertel 365: }
1.22 albertel 366: }
1.1 albertel 367: }
1.147 foxr 368: my $part_id = $Apache::inputtags::part;
369: my $response_id = $Apache::inputtags::response[-1];
1.177 raeburn 370: my ($numrows,$bubbles_per_row);
371: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
372: ($numrows,$bubbles_per_row) =
373: &Apache::optionresponse::getnumrows(scalar(@opt));
374: }
375: if ($numrows < 1) {
376: $numrows = 1;
377: }
378: my $increment = &getfoilcounts($max) * $numrows;
379: &Apache::lonxml::increment_counter($increment,"$part_id.$response_id");
1.146 foxr 380: if ($target eq 'analyze') {
381: &Apache::lonhomework::set_bubble_lines();
382: }
383:
1.25 albertel 384: } elsif ($target eq 'edit') {
1.22 albertel 385: $result.=&Apache::edit::end_table();
1.74 albertel 386: }
387: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.152 onken 388: if($env{'form.pdfFormFields'} ne 'yes') {
1.167 raeburn 389: $result .= '\end{itemize}';
1.152 onken 390: } else {
391: $result .= "\\\\";
392: }
1.74 albertel 393: }
1.110 albertel 394: &Apache::response::poprandomnumber();
1.22 albertel 395: return $result;
1.1 albertel 396: }
397:
1.184 raeburn 398: sub grading_is_nonlenient {
399: my ($part) = @_;
400: # Web mode: we are non-lenient unless told otherwise
401: my $defaultparm = 'off';
402: my $nonlenient = 0;
403: # Grading a bubblesheet exam: we are grading lenient unless told otherwise
404: if ($Apache::lonhomework::scantronmode) {
405: $defaultparm = 'on';
406: $nonlenient = 1;
407: }
408: my $lenientparm =
409: &Apache::response::get_response_param($part,'lenient',$defaultparm);
410: if ($lenientparm=~/^0|off|no$/i) {
411: $nonlenient = 1;
412: } elsif ($lenientparm=~/^1|on|yes$/i) {
413: $nonlenient = 0;
414: }
415: return $nonlenient;
416: }
417:
1.1 albertel 418: sub getfoilcounts {
1.48 albertel 419: my ($max)=@_;
1.22 albertel 420: # +1 since instructors will count from 1
421: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39 albertel 422: if (&Apache::response::showallfoils()) { $max=$count; }
1.48 albertel 423: if ($count>$max) { $count=$max }
424: &Apache::lonxml::debug("Count is $count from $max");
425: return $count;
1.1 albertel 426: }
427:
428: sub whichfoils {
1.77 albertel 429: my ($max,$randomize)=@_;
430: return &Apache::response::whichorder($max,$randomize,
431: &Apache::response::showallfoils(),
432: \%Apache::response::foilgroup);
1.1 albertel 433: }
434:
1.25 albertel 435: sub displayanswers {
1.130 albertel 436: my ($max,$randomize,@opt)=@_;
1.187 raeburn 437: my @names;
438: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
439: @names = @{ $Apache::response::foilgroup{'names'} };
440: }
441: return if (!@names);
1.130 albertel 442: my @whichopt = &whichfoils($max,$randomize);
443: my $result;
444: if ($Apache::lonhomework::type eq 'exam') {
445: my $i = 0;
446: my %opt = map { ($_,$i++) } @opt;
447:
448: $i = 0;
449: my @alphabet = ('A'..'Z');
450: foreach my $name (@whichopt) {
451: $result.=&Apache::response::answer_header('optionresponse',$i++);
452: $result.=&Apache::response::answer_part('optionresponse',
453: $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
454: $result.=&Apache::response::answer_part('optionresponse',
455: $Apache::response::foilgroup{$name.'.value'});
456: $result.=&Apache::response::answer_footer('optionresponse');
457: }
458: } else {
459: $result=&Apache::response::answer_header('optionresponse');
460: foreach my $name (@whichopt) {
461: $result.=&Apache::response::answer_part('optionresponse',
462: $Apache::response::foilgroup{$name.'.value'});
463: }
464: $result.=&Apache::response::answer_footer('optionresponse');
465: }
466: return $result;
1.25 albertel 467: }
468:
1.160 www 469: sub check_box_opt {
1.161 www 470: my ($target,$checkboxvalue,@opt)=@_;
471: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
472: # If so, return "checked" value
473: if ($#opt!=1) { return ''; }
474: if ($target ne 'web') { return ''; }
475: return $checkboxvalue;
1.160 www 476: }
477:
1.106 albertel 478: sub check_for_invalid {
479: my ($names,$options) = @_;
480: my %bad_names;
481: foreach my $name (@{ $names }) {
482: my $value=$Apache::response::foilgroup{$name.'.value'};
483: my $found=0;
484: foreach my $option (@{ $options }) {
485: if ($value eq $option) { $found=1; }
486: }
487: if (!$found) { $bad_names{$name}=$value; }
488: }
489: if (%bad_names) {
490: my $error=&mt('The question can not be gotten correct, '.
491: 'the following foils in the <optionresponse> '.
492: 'have invalid correct options').' <br /><tt>'.
493: join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
494: "</tt>";
495: &Apache::lonxml::error($error);
496: }
497: }
498:
1.1 albertel 499: sub displayfoils {
1.182 raeburn 500: my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
1.186 foxr 501: $tex_option_switch, $no_tfprompt, @opt)=@_;
1.189 ! raeburn 502: my @names;
! 503: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
! 504: @names = @{ $Apache::response::foilgroup{'names'} };
! 505: }
! 506: unless (@names > 0) { return;}
1.22 albertel 507: my @truelist;
508: my @falselist;
1.79 sakharuk 509: my $result;
1.22 albertel 510: my $name;
1.101 albertel 511: my $displayoptionintex=1;
1.72 sakharuk 512: my @alphabet = ('A'..'Z');
1.48 albertel 513: my @whichopt = &whichfoils($max,$randomize);
1.182 raeburn 514: unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
515: &check_for_invalid(\@whichopt,\@opt);
516: }
1.28 albertel 517: my $part=$Apache::inputtags::part;
518: my $id=$Apache::inputtags::response[-1];
1.62 albertel 519: my $break;
1.86 albertel 520: if ( ($target ne 'tex') &&
521: &Apache::response::show_answer() ) {
1.90 albertel 522: my $temp=1;
1.22 albertel 523: foreach $name (@whichopt) {
1.62 albertel 524: my $text=$Apache::response::foilgroup{$name.'.text'};
1.163 raeburn 525: my $lastresp;
526: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
527: $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
528: }
529: my %lastresponse=&Apache::lonnet::str2hash($lastresp);
1.90 albertel 530: my $lastopt=$lastresponse{$name};
1.101 albertel 531: if ($text!~/^\s*$/) { $break='<br />'; }
1.62 albertel 532: $result.=$break;
1.113 sakharuk 533: if ($target eq 'web') {
1.62 albertel 534: my $value=$Apache::response::foilgroup{$name.'.value'};
535: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
536: if ($text=~/^\s*$/) {
537: $text=$value.$text;
538: } else {
1.127 albertel 539: $text='<b>'.$value.':</b> '.$text;
1.62 albertel 540: }
1.95 albertel 541: } else {
1.170 raeburn 542: if (@whichopt > 1) {
543: $text='•'.$text;
544: }
1.62 albertel 545: }
546: $result.=$text."\n";
1.112 sakharuk 547: }
1.58 sakharuk 548: if ($Apache::lonhomework::type eq 'exam') {
1.90 albertel 549: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58 sakharuk 550: }
1.90 albertel 551: $temp++;
1.22 albertel 552: }
553: } else {
554: my $temp=1;
1.173 raeburn 555: my %lastresponse;
556: my $newvariation;
557: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
558: ($Apache::lonhomework::type eq 'randomizetry')) &&
559: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
560: if ($env{'form.'.$part.'.rndseed'} ne
561: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
562: $newvariation = 1;
563: }
564: }
565: unless ($newvariation) {
566: %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
567: }
1.79 sakharuk 568: my $internal_counter=$Apache::lonxml::counter;
1.161 www 569: my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
1.186 foxr 570: if ($checkboxopt && (!$no_tfprompt)) {
1.172 www 571: $result.='<br />'.
572: ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
1.168 www 573: &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
1.160 www 574: }
1.22 albertel 575: foreach $name (@whichopt) {
1.62 albertel 576: my $text=$Apache::response::foilgroup{$name.'.text'};
577: if ($text!~/^\s*$/) {
578: if ($target eq 'tex') {
579: $break='\vskip 0 mm ';
580: } elsif ($target eq 'web') {
581: $break='<br />';
582: }
583: }
1.28 albertel 584: my $lastopt=$lastresponse{$name};
585: my $optionlist="<option></option>\n";
1.152 onken 586:
1.158 onken 587: if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
588: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.152 onken 589: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
590: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
591: }
592:
1.126 albertel 593: foreach my $option (@opt) {
594: my $escopt=&HTML::Entities::encode($option,'\'"&<>');
1.152 onken 595: if ($option eq $lastopt) {
1.158 onken 596: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164 onken 597: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
598: && $Apache::lonhomework::type ne 'exam') {
1.152 onken 599: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
600: } else {
601: $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
602: }
603: } else {
1.158 onken 604: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164 onken 605: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
606: && $Apache::lonhomework::type ne 'exam') {
1.152 onken 607: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
608: } else {
609: $optionlist.="<option value='".$escopt."'>$option</option>\n";
610: }
611: }
1.28 albertel 612: }
1.32 sakharuk 613: if ($target ne 'tex') {
1.72 sakharuk 614: if ($Apache::lonhomework::type ne 'exam') {
1.159 www 615: # we are on the web, this is not an exam, and the problem can be answered
616: if ($checkboxopt) {
617: # generate checkboxes
618: my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
619: my $altopt=$opt[0];
620: if ($opt[0] eq $checkboxopt) {
621: $altopt=$opt[1];
622: }
623: my $defopt=$lastopt;
624: unless ($defopt) { $defopt=$altopt; }
625: my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
626: my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
627: my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
628: # checkboxopt is how the box is labelled
629: # altopt is the alternative option
630: # lastopt is what the user submitted before
631: # defopt is what the field is going to start out with: either previous choice or altopt
632: # fieldname is this input field's name after HWVAL_
633: $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
1.160 www 634: '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
635: $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
1.159 www 636: } else {
637: # classic selection list
638: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
1.139 albertel 639: $part.'\');" name="HWVAL_'.
1.101 albertel 640: $Apache::inputtags::response['-1'].':'.$temp.'">'.
1.59 albertel 641: $optionlist."</select>\n";
1.159 www 642: }
1.101 albertel 643: } else {
644: $optionlist='<u>'.(' 'x10).'</u>';
1.72 sakharuk 645: }
1.101 albertel 646: if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
647: if ($Apache::lonhomework::type ne 'exam') {
1.170 raeburn 648: if (@whichopt > 1) {
649: $text='•'.$text;
650: }
1.101 albertel 651: }
1.95 albertel 652: } else {
1.101 albertel 653: if ($Apache::lonhomework::type ne 'exam') {
654: $text=$optionlist.$text;
655: }
1.59 albertel 656: }
1.62 albertel 657: $result.=$break.$text."\n";
1.49 sakharuk 658: if ($Apache::lonhomework::type eq 'exam') {
1.101 albertel 659: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49 sakharuk 660: }
1.32 sakharuk 661: $temp++;
662: } else {
1.101 albertel 663: my $texoptionlist='';
664: if ($displayoptionintex &&
665: $Apache::lonhomework::type ne 'exam') {
1.107 sakharuk 666: $texoptionlist = &optionlist_correction($TeXlayout,@opt);
1.101 albertel 667: }
668: if ($text=~/<drawoptionlist\s*\/>/) {
1.136 foxr 669: $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
1.101 albertel 670: }
671:
672: if ($text=~m/\\item /) {
1.50 sakharuk 673: if ($Apache::lonhomework::type eq 'exam') {
1.101 albertel 674: $text=~s/\\item/\\vskip 2 mm/;
1.152 onken 675: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
676: $result.= $texoptionlist.$text;
677: }
678: } else {
1.101 albertel 679: if ($Apache::lonhomework::type eq 'exam') {
680: $result.= $texoptionlist.' '.$text;
1.152 onken 681: } elsif ($env{'form.pdfFormFields'} ne 'yes') {
682: if ($text=~/\S/) {
683: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
684: } else {
685: $result.= $texoptionlist;
686: }
1.50 sakharuk 687: }
1.32 sakharuk 688: }
1.101 albertel 689: if ($Apache::lonhomework::type eq 'exam') {
1.165 foxr 690: $result.='\vskip -1 mm\noindent';
1.177 raeburn 691: my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt));
692: if ($numrows == 1) {
693: $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm';
694: } else {
695: my $linetext;
696: for (my $i=0; $i<$numrows; $i++) {
697: $linetext .= $internal_counter+$i.', ';
698: }
699: $linetext =~ s/,\s$//;
700: $result .= '\small {\textbf{'.$linetext.'}} '.
701: '\hskip 2 mm {\footnotesize '.
702: &mt('(Bubble once in [_1] lines)',$numrows).
703: '} \vskip 1 mm';
704: }
705: $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows,
706: $bubbles_per_row,$internal_counter).
707: ' \strut ';
708: $internal_counter += $numrows;
1.101 albertel 709: }
1.158 onken 710: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164 onken 711: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
712: && $Apache::lonhomework::type ne 'exam') {
1.158 onken 713: $text =~ s/\\item//m;
1.152 onken 714: $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
715: $temp++;
716: }
1.101 albertel 717: $displayoptionintex=0;
1.62 albertel 718: }
1.1 albertel 719: }
1.62 albertel 720: }
1.138 albertel 721:
722: if ($target eq 'web') {
1.173 raeburn 723: my $data = [\@whichopt,'submissiongrading'];
724: my $questiontype;
725: if ($Apache::lonhomework::type eq 'randomizetry') {
726: $questiontype = $Apache::lonhomework::type,
727: }
728: &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
1.138 albertel 729: }
730:
1.32 sakharuk 731: if ($target ne 'tex') {
1.62 albertel 732: return $result.$break;
733: } else {
1.32 sakharuk 734: return $result;
1.22 albertel 735: }
1.50 sakharuk 736: }
737:
738:
739: sub optionlist_correction {
1.107 sakharuk 740: my ($TeXlayout,@options) = @_;
1.150 bisitz 741: my $texoptionlist='\\item [] '.&mt('Choices:').' ';
1.107 sakharuk 742: if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
1.101 albertel 743: if (scalar(@options) > 0) {
744: foreach my $option (@options) {
745: $texoptionlist.='{\bf '.
1.135 albertel 746: &Apache::lonxml::latex_special_symbols($option).
1.107 sakharuk 747: '}';
748: if ($TeXlayout eq 'vertical') {
749: $texoptionlist.=' \vskip 0 mm ',
750: } else {
1.115 sakharuk 751: $texoptionlist.=', ';
1.107 sakharuk 752: }
1.101 albertel 753: }
1.116 albertel 754: $texoptionlist=~s/, $//;
1.107 sakharuk 755: if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
1.80 sakharuk 756: } else {
1.107 sakharuk 757: if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
1.80 sakharuk 758: }
1.50 sakharuk 759: return $texoptionlist;
1.58 sakharuk 760: }
761:
762:
763: sub webbubbles {
1.90 albertel 764: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58 sakharuk 765: my @opt=@$ropt;
766: my @alphabet=@$ralphabet;
767: my $result='';
1.90 albertel 768: my $number_of_bubbles = $#opt + 1;
769: $result.= '<table border="1"><tr>';
770: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
771: my $checked='';
772: if ($lastopt eq $opt[$ind]) {
773: $checked=' checked="on" ';
1.58 sakharuk 774: }
1.90 albertel 775: $result.='<td><input type="radio" name="HWVAL_'.
776: $Apache::inputtags::response['-1'].':'.$temp.
1.111 albertel 777: '" value="'.$opt[$ind].'" '.$checked.' />';
778: if ($alphabet[$ind]) {
779: $result.=$alphabet[$ind].': ';
780: }
781: $result.=$opt[$ind].'</td>';
1.90 albertel 782: }
783: $result.='</tr></table>';
784: return $result;
1.50 sakharuk 785: }
786:
787:
788: sub bubbles {
1.177 raeburn 789: my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row,
790: $internal_counter) = @_;
1.119 albertel 791: my @alphabet = @$ralphabet;
1.50 sakharuk 792: my @opt = @$ropt;
1.51 sakharuk 793: my ($result,$head,$line) =('','','');
1.50 sakharuk 794: my $number_of_bubbles = $#opt + 1;
1.51 sakharuk 795: my $current_length = 0;
1.100 sakharuk 796: my $textwidth;
1.141 albertel 797: if (defined($max_width)) {
1.140 foxr 798: $textwidth=$max_width;
1.141 albertel 799: &Apache::lonxml::debug("Max width passed in: $max_width");
800: } elsif ($env{'form.textwidth'} ne '') {
1.125 albertel 801: $env{'form.textwidth'}=~/(\d+)/;
1.100 sakharuk 802: $textwidth=$1;
1.141 albertel 803: &Apache::lonxml::debug("Max width from form: $textwidth");
1.100 sakharuk 804: } else {
1.125 albertel 805: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.102 sakharuk 806: $textwidth=$1.'.'.$2;
1.141 albertel 807: &Apache::lonxml::debug("Max width defaults? $textwidth");
1.100 sakharuk 808: }
1.141 albertel 809: &Apache::lonxml::debug("Final maxwidth: $textwidth");
1.51 sakharuk 810: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
1.177 raeburn 811: my $item;
812: if ($numrows > 1) {
813: my $num = $internal_counter+int($ind/$bubbles_per_row);
814: my $idx = int($ind % $bubbles_per_row);
815: $item = $num.$alphabet[$idx];
816: } else {
817: $item = $alphabet[$ind];
818: }
1.99 sakharuk 819: my $leftmargin;
1.101 albertel 820: $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
1.119 albertel 821: if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
1.99 sakharuk 822: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
1.140 foxr 823:
1.185 raeburn 824: $current_length += (length($opt[$ind])+length($item)+5)*2;
1.177 raeburn 825:
1.99 sakharuk 826: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
1.177 raeburn 827:
828: $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
1.51 sakharuk 829: $head.='lr';
830: } else {
831: $line=~s/\&\s*$//;
1.171 raeburn 832: $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
1.177 raeburn 833: $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
1.51 sakharuk 834: $head ='lr';
1.177 raeburn 835: $current_length = (length($opt[$ind])+length($item))*2;
1.51 sakharuk 836: }
837:
1.50 sakharuk 838: }
839: return $result;
1.1 albertel 840: }
841:
1.2 albertel 842: sub start_conceptgroup {
1.22 albertel 843: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
844: $Apache::optionresponse::conceptgroup=1;
1.44 albertel 845: %Apache::response::conceptgroup=();
1.22 albertel 846: my $result;
847: if ($target eq 'edit') {
848: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30 matthew 849: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
850: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22 albertel 851: }
852: if ($target eq 'modified') {
853: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
854: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
855: }
856: return $result;
1.2 albertel 857: }
858:
859: sub end_conceptgroup {
1.22 albertel 860: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
861: $Apache::optionresponse::conceptgroup=0;
862: my $result='';
1.93 albertel 863: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
864: $target eq 'tex' || $target eq 'analyze') {
1.22 albertel 865: #if not there aren't any foils to display and thus no question
1.93 albertel 866: &Apache::response::pick_foil_for_concept($target,
867: ['value','text','location'],
868: \%Apache::hint::option,
869: $parstack,$safeeval);
1.34 albertel 870: } elsif ($target eq 'edit') {
1.22 albertel 871: $result=&Apache::edit::end_table();
872: }
873: return $result;
1.2 albertel 874: }
875:
1.16 albertel 876: sub insert_conceptgroup {
1.22 albertel 877: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
878: return $result;
1.16 albertel 879: }
880:
1.1 albertel 881: sub start_foil {
1.22 albertel 882: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
883: my $result='';
1.34 albertel 884: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.105 albertel 885: &Apache::lonxml::startredirection;
886: if ($target eq 'analyze') {
887: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
888: }
1.25 albertel 889: } elsif ($target eq 'edit') {
1.22 albertel 890: $result=&Apache::edit::tag_start($target,$token,"Foil");
891: my $level='-2';
892: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
893: my @opt;
894: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
895: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48 albertel 896: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
897: ['unused',(@opt)],$token,'15');
898: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
899: $safeeval,'-3');
900: if ($randomize ne 'no') {
901: $result.=&Apache::edit::select_arg('Location:','location',
902: ['random','top','bottom'],$token);
903: }
1.30 matthew 904: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25 albertel 905: } elsif ($target eq 'modified') {
1.48 albertel 906: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
907: 'value','name','location');
1.22 albertel 908: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32 sakharuk 909: }
1.22 albertel 910: return $result;
1.1 albertel 911: }
912:
913: sub end_foil {
1.22 albertel 914: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
915: my $text ='';
916: my $result = '';
1.88 albertel 917: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.48 albertel 918: $text=&Apache::lonxml::endredirection;
1.114 sakharuk 919: if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
1.107 sakharuk 920: if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;}
1.32 sakharuk 921: }
922: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
1.34 albertel 923: || $target eq 'tex' || $target eq 'analyze') {
1.22 albertel 924: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.122 albertel 925: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
926: $text='\vskip 5mm $\triangleright$ '.$text;
927: }
1.22 albertel 928: if ($value ne 'unused') {
929: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
930: &Apache::lonxml::debug("Got a name of :$name:");
1.129 albertel 931: if ($name eq "") {
1.151 bisitz 932: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.123 albertel 933: $name=$Apache::lonxml::curdepth;
934: }
1.22 albertel 935: &Apache::lonxml::debug("Using a name of :$name:");
1.103 albertel 936: if (defined($Apache::response::foilnames{$name})) {
1.151 bisitz 937: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
1.103 albertel 938: }
1.104 albertel 939: $Apache::response::foilnames{$name}++;
1.103 albertel 940: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.39 albertel 941: if ( $Apache::optionresponse::conceptgroup
942: && !&Apache::response::showallfoils() ) {
1.22 albertel 943: push @{ $Apache::response::conceptgroup{'names'} }, $name;
944: $Apache::response::conceptgroup{"$name.value"} = $value;
1.122 albertel 945: $Apache::response::conceptgroup{"$name.text"} = $text;
1.48 albertel 946: $Apache::response::conceptgroup{"$name.location"} = $location;
1.22 albertel 947: } else {
948: push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48 albertel 949: $Apache::response::foilgroup{"$name.value"} = $value;
1.122 albertel 950: $Apache::response::foilgroup{"$name.text"} = $text;
1.48 albertel 951: $Apache::response::foilgroup{"$name.location"} = $location;
1.22 albertel 952: }
953: }
954: }
955: if ($target eq 'edit') {
956: $result.= &Apache::edit::tag_end($target,$token,'');
957: }
958: return $result;
1.1 albertel 959: }
960:
1.112 sakharuk 961: sub start_drawoptionlist {
962: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.144 albertel 963: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
1.117 albertel 964: return $token->[4];
965: }
1.112 sakharuk 966: }
967:
968: sub end_drawoptionlist {
969: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.144 albertel 970: if ($target !~ /^(?:meta|answer|modified|edit)$/) {
1.117 albertel 971: return $token->[2];
972: }
1.112 sakharuk 973: }
974:
1.7 albertel 975: sub insert_foil {
1.144 albertel 976: return '
1.15 albertel 977: <foil name="" value="unused">
1.14 albertel 978: <startouttext />
979: <endouttext />
1.7 albertel 980: </foil>';
981: }
1.144 albertel 982:
983: sub insert_drawoptionlist {
984: return '<drawoptionlist />';
985: }
1.177 raeburn 986:
987: sub getnumrows {
988: my ($numitems) = @_;
989: my $bubbles_per_row;
990: my $default_numbubbles = 10;
991: if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
992: ($env{'form.bubbles_per_row'} > 0)) {
993: $bubbles_per_row = $env{'form.bubbles_per_row'};
994: } else {
995: $bubbles_per_row = $default_numbubbles;
996: }
997: my $numrows = int ($numitems/$bubbles_per_row);
998: if (($numitems % $bubbles_per_row) != 0) {
999: $numrows ++;
1000: }
1001: return ($numrows,$bubbles_per_row);
1002: }
1003:
1.1 albertel 1004: 1;
1005: __END__
1006:
1.156 jms 1007: =head1 NAME
1008:
1009: Apache::optionresponse.pm;
1010:
1011: =head1 SYNOPSIS
1012:
1013: Handles tags associated with showing a list of
1014: options.
1015:
1016: This is part of the LearningOnline Network with CAPA project
1017: described at http://www.lon-capa.org.
1018:
1019: =head1 HANDLER SUBROUTINE
1020:
1021: start_optionresponse()
1022:
1023: =head1 OTHER SUBROUTINES
1024:
1025: =over
1026:
1027: =item end_optionresponse()
1028:
1029: =item start_foilgroup()
1030:
1031: =item end_foilgroup()
1032:
1033: =item getfoilcounts()
1034:
1035: =item displayanswers()
1036:
1037: =item check_for_invalid()
1038:
1039: =item displayfoils()
1040:
1041: =item optionlist_correction()
1042:
1043: =item webbubbles()
1044:
1045: =item bubbles()
1046:
1047: =item start_conceptgroup()
1048:
1049: =item end_conceptgroup()
1050:
1051: =item insert_conceptgroup()
1052:
1053: =item start_foil()
1054:
1055: =item end_foil()
1056:
1057: =item start_drawoptionlist()
1058:
1059: =item end_drawoptionlist()
1060:
1061: =item insert_foil()
1062:
1063: =item insert_drawoptionlist()
1064:
1065: =back
1066:
1.157 raeburn 1067: =cut
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