Annotation of loncom/homework/rankresponse.pm, revision 1.68
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
1.68 ! raeburn 4: # $Id: rankresponse.pm,v 1.67 2011/09/16 22:23:54 raeburn Exp $
1.1 albertel 5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: package Apache::rankresponse;
29: use strict;
30: use HTML::Entities();
1.30 albertel 31: use Apache::optionresponse();
32: use Apache::lonlocal;
1.58 onken 33: use Apache::lonxml;
34: use Apache::lonnet;
1.1 albertel 35:
36: BEGIN {
37: &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
38: }
39:
40: sub start_rankresponse {
41: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
42: my $result;
43: #when in a rank response use these
44: &Apache::lonxml::register('Apache::rankresponse',
45: ('foilgroup','foil','conceptgroup'));
46: push (@Apache::lonxml::namespace,'rankresponse');
47: my $id = &Apache::response::start_response($parstack,$safeeval);
48: %Apache::hint::rank=();
1.30 albertel 49: undef(%Apache::response::foilnames);
1.1 albertel 50: if ($target eq 'meta') {
51: $result=&Apache::response::meta_package_write('rankresponse');
52: } elsif ($target eq 'edit' ) {
1.59 bisitz 53: $result.=&Apache::edit::start_table($token)
54: .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
1.61 bisitz 55: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.59 bisitz 56: .&Apache::edit::deletelist($target,$token)
57: .'</span></td>'
1.60 raeburn 58: .'<td> '.&Apache::edit::end_row()
1.59 bisitz 59: .&Apache::edit::start_spanning_row();
1.1 albertel 60:
61: $result.=
62: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.59 bisitz 63: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1 albertel 64: ['yes','no'],$token).
65: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
66: } elsif ($target eq 'modified') {
67: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
68: $safeeval,'max',
69: 'randomize');
70: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.25 albertel 71: } elsif ($target eq 'analyze') {
72: my $part_id="$Apache::inputtags::part.$id";
1.56 raeburn 73: $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
1.25 albertel 74: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.53 foxr 75: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
76:
1.1 albertel 77: }
78: return $result;
79: }
80:
81: sub end_rankresponse {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83: my $result;
84: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
85: &Apache::response::end_response;
86: pop @Apache::lonxml::namespace;
87: &Apache::lonxml::deregister('Apache::rankresponse',
88: ('foilgroup','foil','conceptgroup'));
1.30 albertel 89: undef(%Apache::response::foilnames);
1.1 albertel 90: return $result;
91: }
92:
93: %Apache::response::foilgroup=();
94: sub start_foilgroup {
95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
96: my $result;
97: %Apache::response::foilgroup=();
98: $Apache::rankresponse::conceptgroup=0;
1.64 raeburn 99: &Apache::response::pushrandomnumber(undef,$target);
1.1 albertel 100: return $result;
101: }
102:
103: sub end_foilgroup {
104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
105: my $result;
1.26 albertel 106: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
107: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 108: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
109: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
110: $safeeval,'-2');
111: my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
112: if (!defined($tol)) { $tol=0; }
1.3 sakharuk 113: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 114: $result=&displayfoils($target,$max,$randomize,$tol);
1.50 albertel 115: $Apache::lonxml::post_evaluate=0;
1.1 albertel 116: } elsif ($target eq 'answer' ) {
117: $result=&displayanswers($max,$randomize,$tol);
118: } elsif ( $target eq 'grade') {
119: &grade_response($max,$randomize,$tol);
1.25 albertel 120: } elsif ( $target eq 'analyze') {
121: my @shown = &whichfoils($max,$randomize);
122: &Apache::response::analyze_store_foilgroup(\@shown,
1.26 albertel 123: ['text','value','location']);
1.41 albertel 124: my $part_id=
125: "$Apache::inputtags::part.$Apache::inputtags::response[-1]";
126: $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
1.1 albertel 127: }
1.55 foxr 128: my $part = $Apache::inputtags::part;
129: my $id = $Apache::inputtags::response[-1];
1.66 raeburn 130: my ($numrows,$bubbles_per_row);
131: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
132: my (@whichfoils)=&whichfoils($max,$randomize);
133: ($numrows,$bubbles_per_row) =
134: &Apache::optionresponse::getnumrows(scalar(@whichfoils));
135: }
136: if ($numrows < 1) {
137: $numrows = 1;
138: }
139: my $increment = &getfoilcounts($max) * $numrows;
140: &Apache::lonxml::increment_counter($increment,"$part.$id");
1.54 foxr 141: if ($target eq 'analyze') {
142: &Apache::lonhomework::set_bubble_lines();
143: }
1.14 albertel 144: } elsif ($target eq 'edit') {
145: $result=&Apache::edit::end_table();
1.1 albertel 146: }
1.34 albertel 147: &Apache::response::poprandomnumber();
1.1 albertel 148: return $result;
149: }
150:
151: sub get_correct_order {
152: my ($tol,@foils) =@_;
153: my @correctorder;
154: my @value_names;
155: foreach my $name (@foils) {
156: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
157: push(@value_names,\@pair);
158: }
159: @value_names =
160: sort {
1.17 albertel 161: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1 albertel 162: return 0;
163: } @value_names;
164: my @value_names_tmp=@value_names;
165: my $firstpair=shift(@value_names_tmp);
166: my $order=1;
167: my %order;
168: my $count=1;
169: my $lastvalue=$firstpair->[0];
170: $order{$firstpair->[1]}=$order;
171: foreach my $pair (@value_names_tmp) {
172: $count++;
173: if (abs($pair->[0]-$lastvalue) > $tol ) {
174: $order=$count;
175: }
176: $order{$pair->[1]}=$order;
177: $lastvalue=$pair->[0];
178: }
179: foreach my $name (@foils) {
180: push(@correctorder,$order{$name});
181: }
182: &Apache::lonhomework::showhash('b' => \@value_names);
183: &Apache::lonhomework::showhash('b' => \@correctorder);
184: return @correctorder;
185: }
186:
187: sub displayanswers {
188: my ($max,$randomize,$tol,@opt)=@_;
1.68 ! raeburn 189: my @names;
! 190: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
! 191: @names = @{ $Apache::response::foilgroup{'names'} };
! 192: }
! 193: return if (!@names);
1.1 albertel 194: my @whichfoils = &whichfoils($max,$randomize);
195: my @correctorder=&get_correct_order($tol,@whichfoils);
1.49 albertel 196: my $result;
197: if ($Apache::lonhomework::type eq 'exam') {
198: my @alphabet = ('A'..'Z');
199: my $i=0;
200: foreach my $order (@correctorder) {
201: $result.=&Apache::response::answer_header('rankresponse',$i++);
202: $result.=&Apache::response::answer_part('rankresponse',
203: $alphabet[$order-1]);
204: $result.=&Apache::response::answer_part('rankresponse',$order);
205: $result.=&Apache::response::answer_footer('rankresponse');
206: }
207: } else {
208: $result=&Apache::response::answer_header('rankresponse');
209: foreach my $order (@correctorder) {
210: $result.=&Apache::response::answer_part('rankresponse',$order);
211: }
212: $result.=&Apache::response::answer_footer('rankresponse');
1.1 albertel 213: }
214: return $result;
215: }
216:
217: sub check_response_order {
218: my (%responsehash)=@_;
1.45 albertel 219: my @order=sort( {$a <=> $b} values(%responsehash));
1.1 albertel 220: my $lastvalue=0;
221: my $expected=1;
222: my $malformed=0;
223: foreach my $current (@order) {
224: &Apache::lonxml::debug("$lastvalue $expected $malformed");
225: if (!($current == $lastvalue || $current == $expected)) {
226: $malformed=1;
227: }
228: $expected++;
229: $lastvalue=$current;
230: }
231: return $malformed;
232: }
233:
234: sub grade_response {
235: my ($max,$randomize,$tol)=@_;
236: my (@whichfoils)=&whichfoils($max,$randomize);
1.44 albertel 237: if (!&Apache::response::submitted()) { return; }
1.1 albertel 238: my %responsehash;
239: my %grade;
1.28 albertel 240: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1 albertel 241: my @correctorder=&get_correct_order($tol,@whichfoils);
1.66 raeburn 242: my ($numrows,$bubbles_per_row);
243: if ($Apache::lonhomework::scantronmode) {
244: my $numitems = scalar(@whichfoils);
245: ($numrows,$bubbles_per_row) =
246: &Apache::optionresponse::getnumrows($numitems);
247: }
248: if ($numrows < 1) {
249: $numrows = 1;
250: }
251:
1.1 albertel 252: foreach my $name (@whichfoils) {
1.66 raeburn 253: my $response;
254: if ($numrows > 1) {
255: my $num = $temp;
256: my $totalnum;
257: for (my $i=0; $i<$numrows; $i++) {
258: my $item = &Apache::response::getresponse($num,'A is 1');
259: if ($item =~ /^\d+$/) {
260: $totalnum = $i*$bubbles_per_row + $item;
261: }
262: $num ++;
263: }
264: $response = $totalnum;
265: $temp += $numrows;
266: } else {
267: $response = &Apache::response::getresponse($temp,'A is 1');
268: $temp ++;
269: }
1.1 albertel 270: my $value=shift(@correctorder);
271: if ( $response =~ /[^\s]/) {
1.27 albertel 272: $responsehash{$name}=$response;
1.1 albertel 273: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
274: if ($value eq $response) {
275: $grade{$name}='1'; $right++;
276: } else {
277: $grade{$name}='0'; $wrong++;
278: }
279: } else {
280: $ignored++;
281: }
282: }
283: my $malformed=&check_response_order(%responsehash);
284: my $part=$Apache::inputtags::part;
285: my $id = $Apache::inputtags::response['-1'];
286: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
287: my $gradestr =&Apache::lonnet::hash2str(%grade);
288: my %previous=&Apache::response::check_for_previous($responsestr,
289: $part,$id);
290: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
291: my $ad;
292: if ($malformed) {
293: $ad='MISORDERED_RANK';
294: } elsif ($wrong==0 && $ignored==0) {
295: $ad='EXACT_ANS';
296: } elsif ($wrong==0 && $right==0) {
297: #nothing submitted
298: } else {
299: if ($ignored==0) {
300: $ad='INCORRECT';
301: } else {
302: $ad='MISSING_ANSWER';
303: }
304: }
1.62 raeburn 305: if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
306: if ($Apache::lonhomework::type eq 'survey') {
307: $ad='SUBMITTED';
308: } elsif ($Apache::lonhomework::type eq 'surveycred') {
309: $ad='SUBMITTED_CREDIT';
310: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
311: $ad='ANONYMOUS';
312: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
313: $ad='ANONYMOUS_CREDIT';
314: } else {
315: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
316: }
1.40 albertel 317: } else {
318: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
319: }
1.64 raeburn 320: if ($Apache::lonhomework::type eq 'randomizetry') {
321: if ($Apache::lonhomework::type eq 'randomizetry') {
322: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
323: }
324: }
1.1 albertel 325: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
326: $responsestr;
327: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
328: &Apache::response::handle_previous(\%previous,$ad);
329: }
330:
1.52 albertel 331: sub format_prior_answer {
332: my ($mode,$answer,$other_data) = @_;
333: my %lastresponse=&Apache::lonnet::str2hash($answer);
334: my $foil_order =$other_data->[0];
335: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
336: my $output;
337: foreach my $name (@{ $foil_order }) {
338: next if (!defined($lastresponse{$name}));
339: $output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
340: }
341: return if (!defined($output));
342: $output =
343: '<table class="LC_prior_rank">'.$output.'</table>';
344: return $output;
345: }
346:
1.1 albertel 347: sub displayfoils {
348: my ($target,$max,$randomize,$tol)=@_;
349: my $result;
1.4 sakharuk 350: my @alphabet=('A'..'Z');
1.1 albertel 351: my (@whichfoils)=&whichfoils($max,$randomize);
352: my $part=$Apache::inputtags::part;
353: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
354: my @whichopt=(1..($#whichfoils+1));
355: my @correctorder=&get_correct_order($tol,@whichfoils);
1.20 sakharuk 356: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1 albertel 357: foreach my $name (@whichfoils) {
358: my $text=$Apache::response::foilgroup{$name.'.text'};
359: my $value=shift(@correctorder);
1.46 albertel 360: if ($target eq 'web') {
361: $result.='<br /><b>'.$value.':</b> '.$text;
362: } else {
363: $result.=' \strut\\\\\strut '.$value.':'.$text;
364: }
1.1 albertel 365: }
366: } else {
367: my $i = 0;
1.29 albertel 368: my $temp=1;
1.1 albertel 369: my $id=$Apache::inputtags::response[-1];
370: my $part=$Apache::inputtags::part;
1.64 raeburn 371: my ($lastresponse,$newvariation);
372: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
373: ($Apache::lonhomework::type eq 'randomizetry')) &&
374: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
375: if ($env{'form.'.$part.'.rndseed'} ne
376: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
377: $newvariation = 1;
378: }
379: }
380: unless (((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) || $newvariation) {
1.62 raeburn 381: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
382: }
1.5 sakharuk 383: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
384: my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15 sakharuk 385: my $internal_counter=$Apache::lonxml::counter;
1.66 raeburn 386: my ($numrows,$bubbles_per_row);
387: if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
388: ($numrows,$bubbles_per_row) =
389: &Apache::optionresponse::getnumrows(scalar(@alp));
390: } else {
391: $numrows = 1;
392: }
1.58 onken 393: if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
394: $result .= '\strut \\\\ \strut \\\\' ;
395: }
396: foreach my $name (@whichfoils) {
1.1 albertel 397: my $lastopt=$lastresponse{$name};
1.3 sakharuk 398: my $optionlist='';
1.58 onken 399: if ($target ne 'tex') {
400: $optionlist = "<option></option>\n";
401: }
402: if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
403: my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
404: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
405: }
1.1 albertel 406: my $option;
407: foreach $option (@whichopt) {
408: if ($option eq $lastopt) {
1.58 onken 409: if ($target ne 'tex' ) {
1.64 raeburn 410: $optionlist.="<option selected=\"selected\">$option</option>\n";
1.58 onken 411: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
412: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
413: }
1.1 albertel 414: } else {
1.58 onken 415: if ($target ne 'tex') {
416: $optionlist.="<option>$option</option>\n";
417: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
418: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
419: }
420: }
1.1 albertel 421: }
1.12 sakharuk 422: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.51 albertel 423: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
424: $part.'\');" name="HWVAL_'.
1.3 sakharuk 425: $Apache::inputtags::response[-1].':'.$temp.'">'.
426: $optionlist."</select>\n";
1.58 onken 427: } elsif ($env{'form.pdfFormFields'} eq 'yes') {
428: #do nothing
429: } else {
1.3 sakharuk 430: $optionlist=' '.$temp.' '.$optionlist.' ';
431: }
1.1 albertel 432: my $text=$Apache::response::foilgroup{$name.'.text'};
1.3 sakharuk 433: if ($target ne 'tex') {
1.12 sakharuk 434: if ($Apache::lonhomework::type ne 'exam') {
435: $result.='<br />'.$optionlist.$text."\n";
436: } else {
437: $result.='<br />'.$text."\n";
438: }
1.4 sakharuk 439: if ($Apache::lonhomework::type eq 'exam') {
1.22 albertel 440: my @values=(1..scalar(@whichopt));
441: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4 sakharuk 442: }
443: } else {
444: if ($Apache::lonhomework::type eq 'exam') {
1.66 raeburn 445: my $itemlabel;
446: if ($numrows == 1) {
447: $itemlabel = '\item[\textbf{'.$internal_counter.'}]';
448: } else {
449: my $linetext;
450: for (my $i=0; $i<$numrows; $i++) {
451: $linetext .= $internal_counter+$i.', ';
452: }
453: $linetext =~ s/,\s$//;
454: $itemlabel = '\item[\small {\textbf{'.$linetext.'}}]'.
455: ' {\footnotesize '.
456: &mt('(Bubble once in [_1] lines)',$numrows).
457: '} \hspace*{\fill} \\\\';
458: }
1.63 foxr 459: $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
460: $result .= '\vskip -1 mm';
1.66 raeburn 461: $result .= '\begin{enumerate}'.$itemlabel;
462: $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse',undef,$numrows,$bubbles_per_row,$internal_counter);
463: $result .= '\end{enumerate} \vskip -8 mm \strut ';
464: $internal_counter += $numrows;
1.4 sakharuk 465: } else {
1.58 onken 466: if($env{'form.pdfFormFields'} ne 'yes') {
467: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
468: } else {
469: $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
470: }
1.4 sakharuk 471: }
472: }
1.1 albertel 473: $temp++;
474: }
475: }
1.52 albertel 476: if ($target eq 'web') {
1.64 raeburn 477: my $questiontype;
478: if ($Apache::lonhomework::type eq 'randomizetry') {
479: $questiontype = $Apache::lonhomework::type;
480: }
1.52 albertel 481: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
482: [\@whichfoils,
1.64 raeburn 483: 'submissiongrading'],
484: $questiontype);
1.52 albertel 485: }
1.5 sakharuk 486: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1 albertel 487: return $result;
488: }
489:
490: sub getfoilcounts {
491: my ($max)=@_;
492: # +1 since instructors will count from 1
493: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
494: if (&Apache::response::showallfoils()) { $max=$count; }
495: if ($count>$max) { $count=$max }
496: &Apache::lonxml::debug("Count is $count from $max");
497: return $count;
498: }
499:
500: sub whichfoils {
501: my ($max,$randomize)=@_;
1.13 albertel 502: return &Apache::response::whichorder($max,$randomize,
503: &Apache::response::showallfoils(),
504: \%Apache::response::foilgroup);
1.1 albertel 505: }
506:
507: sub start_conceptgroup {
508: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
509: $Apache::rankresponse::conceptgroup=1;
510: %Apache::response::conceptgroup=();
511: my $result;
512: if ($target eq 'edit') {
513: $result.=&Apache::edit::tag_start($target,$token,
514: "Concept Grouped Foils");
515: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
516: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
517: }
518: if ($target eq 'modified') {
519: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
520: $safeeval,'concept');
521: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
522: }
523: return $result;
524: }
525:
526: sub end_conceptgroup {
527: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
528: $Apache::rankresponse::conceptgroup=0;
529: my $result='';
1.25 albertel 530: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
531: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 532: #if not there aren't any foils to display and thus no question
1.25 albertel 533: &Apache::response::pick_foil_for_concept($target,
534: ['value','text','location'],
535: \%Apache::hint::rank,
536: $parstack,$safeeval);
1.1 albertel 537: } elsif ($target eq 'edit') {
538: $result=&Apache::edit::end_table();
539: }
540: return $result;
541: }
542:
543: sub insert_conceptgroup {
544: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
545: return $result;
546: }
547:
548: sub start_foil {
549: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
550: my $result='';
1.25 albertel 551: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 552: &Apache::lonxml::startredirection;
1.39 albertel 553: if ($target eq 'analyze') {
554: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
555: }
1.1 albertel 556: } elsif ($target eq 'edit') {
557: $result=&Apache::edit::tag_start($target,$token,"Foil");
558: my $level='-2';
559: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
560: $result.=&Apache::edit::text_arg('Name:','name',$token);
561: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
562: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
563: $safeeval,'-3');
564: if ($randomize ne 'no') {
565: $result.=&Apache::edit::select_arg('Location:','location',
566: ['random','top','bottom'],$token);
567: }
568: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
569: } elsif ($target eq 'modified') {
570: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
571: $safeeval,'value',
572: 'name','location');
573: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
574: }
575: return $result;
576: }
577:
578: sub end_foil {
579: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
580: my $text ='';
581: my $result = '';
1.25 albertel 582: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 583: $text=&Apache::lonxml::endredirection;
584: }
1.25 albertel 585: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
586: $target eq 'tex' || $target eq 'analyze') {
1.1 albertel 587: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.42 albertel 588: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
589: $text='\vskip 5mm $\triangleright$ '.$text;
590: }
1.1 albertel 591: if ($value ne 'unused') {
592: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
593: &Apache::lonxml::debug("Got a name of :$name:");
1.48 albertel 594: if ($name eq "") {
1.57 bisitz 595: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.43 albertel 596: $name=$Apache::lonxml::curdepth;
597: }
1.1 albertel 598: &Apache::lonxml::debug("Using a name of :$name:");
1.30 albertel 599: if (defined($Apache::response::foilnames{$name})) {
1.57 bisitz 600: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.30 albertel 601: }
1.31 albertel 602: $Apache::response::foilnames{$name}++;
1.30 albertel 603: my $location =&Apache::lonxml::get_param('location',$parstack,
604: $safeeval);
1.1 albertel 605: if ( $Apache::rankresponse::conceptgroup
606: && !&Apache::response::showallfoils() ) {
607: push @{ $Apache::response::conceptgroup{'names'} }, $name;
608: $Apache::response::conceptgroup{"$name.value"} = $value;
1.42 albertel 609: $Apache::response::conceptgroup{"$name.text"} = $text;
1.1 albertel 610: $Apache::response::conceptgroup{"$name.location"} = $location;
611: } else {
612: push @{ $Apache::response::foilgroup{'names'} }, $name;
613: $Apache::response::foilgroup{"$name.value"} = $value;
1.42 albertel 614: $Apache::response::foilgroup{"$name.text"} = $text;
1.1 albertel 615: $Apache::response::foilgroup{"$name.location"} = $location;
616: }
617: }
618: }
619: if ($target eq 'edit') {
620: $result.= &Apache::edit::tag_end($target,$token,'');
621: }
622: return $result;
623: }
624:
625: sub insert_foil {
626: return '
627: <foil name="" value="unused">
628: <startouttext />
629: <endouttext />
630: </foil>';
631: }
632: 1;
633: __END__
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