Annotation of loncom/homework/imageresponse.pm, revision 1.106
1.89 foxr 1: #
1.12 albertel 2: # The LearningOnline Network with CAPA
1.14 albertel 3: # image click response style
4: #
1.106 ! raeburn 5: # $Id: imageresponse.pm,v 1.105 2013/04/30 03:03:34 raeburn Exp $
1.14 albertel 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
1.25 www 29: #FIXME LATER assumes multiple possible submissions but only one is possible
30: #currently
1.3 albertel 31:
1.95 jms 32:
33: =head1 NAME
34:
35: Apache::imageresponse
36:
37: =head1 SYNOPSIS
38:
39: Coordinates the response to clicking an image.
40:
41: This is part of the LearningOnline Network with CAPA project
42: described at http://www.lon-capa.org.
43:
1.96 jms 44: =head1 SUBROUTINES
1.95 jms 45:
46: =over
47:
1.96 jms 48: =item start_imageresponse()
1.95 jms 49:
1.96 jms 50: =item end_imageresponse()
1.95 jms 51:
1.96 jms 52: =item start_foilgroup()
1.95 jms 53:
1.96 jms 54: =item getfoilcounts()
1.95 jms 55:
1.96 jms 56: =item whichfoils()
1.95 jms 57:
1.96 jms 58: =item prep_image()
1.95 jms 59:
1.96 jms 60: =item draw_image()
1.95 jms 61:
1.96 jms 62: =item displayfoils()
1.95 jms 63:
1.96 jms 64: =item format_prior_response()
1.95 jms 65:
1.96 jms 66: =item display_answers()
1.95 jms 67:
1.96 jms 68: =item clean_up_image()
1.95 jms 69:
1.96 jms 70: =item gradefoils()
1.95 jms 71:
1.96 jms 72: =item stringify_submission()
1.95 jms 73:
1.96 jms 74: =item get_submission()
1.95 jms 75:
1.96 jms 76: =item end_foilgroup()
1.95 jms 77:
1.96 jms 78: =item start_conceptgroup()
1.95 jms 79:
1.96 jms 80: =item end_conceptgroup()
1.95 jms 81:
1.96 jms 82: =item insert_foil()
1.95 jms 83:
1.96 jms 84: =item start_foil()
1.95 jms 85:
1.96 jms 86: =item end_foil()
1.95 jms 87:
1.96 jms 88: =item start_text()
1.95 jms 89:
1.96 jms 90: =item end_text()
1.95 jms 91:
1.96 jms 92: =item start_image()
1.95 jms 93:
1.96 jms 94: =item end_image()
1.95 jms 95:
1.96 jms 96: =item start_rectangle()
1.95 jms 97:
1.96 jms 98: =item grade_rectangle()
1.95 jms 99:
1.96 jms 100: =item end_rectangle()
1.95 jms 101:
1.96 jms 102: =item start_polygon()
1.95 jms 103:
1.96 jms 104: =item grade_polygon()
1.95 jms 105:
1.96 jms 106: =item end_polygon()
1.95 jms 107:
108: =back
109:
110: =cut
111:
112:
1.1 albertel 113: package Apache::imageresponse;
114: use strict;
1.51 albertel 115: use Image::Magick();
116: use Apache::randomlylabel();
117: use Apache::londefdef();
1.40 albertel 118: use Apache::Constants qw(:common :http);
1.51 albertel 119: use Apache::lonlocal;
1.65 albertel 120: use Apache::lonnet;
1.78 www 121: use lib '/home/httpd/lib/perl/';
122: use LONCAPA;
123:
1.1 albertel 124:
1.16 harris41 125: BEGIN {
1.36 albertel 126: &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
1.1 albertel 127: }
128:
129: sub start_imageresponse {
1.36 albertel 130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
131: my $result;
132: #when in a radiobutton response use these
1.43 albertel 133: &Apache::lonxml::register('Apache::imageresponse',
134: ('foilgroup','foil','text','image','rectangle',
135: 'polygon','conceptgroup'));
1.36 albertel 136: push (@Apache::lonxml::namespace,'imageresponse');
137: my $id = &Apache::response::start_response($parstack,$safeeval);
1.51 albertel 138: undef(%Apache::response::foilnames);
1.36 albertel 139: if ($target eq 'meta') {
140: $result=&Apache::response::meta_package_write('imageresponse');
1.37 albertel 141: } elsif ($target eq 'analyze') {
142: my $part_id="$Apache::inputtags::part.$id";
1.92 raeburn 143: $Apache::lonhomework::analyze{"$part_id.type"} = 'imageresponse';
1.37 albertel 144: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.84 foxr 145: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
146: 1);
1.88 albertel 147: } elsif ( $target eq 'edit' ) {
148: $result .= &Apache::edit::tag_start($target,$token).
149: &Apache::edit::text_arg('Max Number Of Shown Foils:',
150: 'max',$token,'4').
151: &Apache::edit::end_row().
152: &Apache::edit::start_spanning_row();
153: } elsif ( $target eq 'modified' ) {
154: my $constructtag=
155: &Apache::edit::get_new_args($token,$parstack,$safeeval,'max');
156: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.36 albertel 157: }
158: return $result;
1.1 albertel 159: }
160:
161: sub end_imageresponse {
1.30 albertel 162: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.74 albertel 163:
1.90 foxr 164: my $part_id = $Apache::inputtags::part;
165: my $response_id = $Apache::inputtags::response[-1];
1.89 foxr 166:
1.74 albertel 167: pop(@Apache::lonxml::namespace);
1.30 albertel 168: &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
1.74 albertel 169:
1.30 albertel 170: my $result;
1.74 albertel 171: if ($target eq 'edit') {
172: $result=&Apache::edit::end_table();
1.77 albertel 173: } elsif ($target eq 'tex'
174: && $Apache::lonhomework::type eq 'exam') {
1.74 albertel 175: $result=&Apache::inputtags::exam_score_line($target);
176: }
177:
1.51 albertel 178: undef(%Apache::response::foilnames);
1.74 albertel 179:
180: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
181: $target eq 'tex' || $target eq 'analyze') {
1.103 raeburn 182: my $repetition = &Apache::response::repetition();
183: &Apache::lonxml::increment_counter($repetition,
1.90 foxr 184: "$part_id.$response_id");
1.89 foxr 185: if ($target eq 'analyze') {
186: &Apache::lonhomework::set_bubble_lines();
187: }
188:
1.74 albertel 189: }
190: &Apache::response::end_response();
1.30 albertel 191: return $result;
1.1 albertel 192: }
193:
1.20 albertel 194: %Apache::response::foilgroup=();
1.1 albertel 195: sub start_foilgroup {
1.100 raeburn 196: my ($target) = @_;
1.36 albertel 197: %Apache::response::foilgroup=();
198: $Apache::imageresponse::conceptgroup=0;
1.100 raeburn 199: &Apache::response::pushrandomnumber(undef,$target);
1.36 albertel 200: return '';
1.1 albertel 201: }
202:
1.2 albertel 203: sub getfoilcounts {
1.36 albertel 204: my ($parstack,$safeeval)=@_;
1.12 albertel 205:
1.36 albertel 206: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
207: # +1 since instructors will count from 1
208: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.88 albertel 209: if (&Apache::response::showallfoils()) { $max=$count; }
1.36 albertel 210: return ($count,$max);
1.2 albertel 211: }
212:
213: sub whichfoils {
1.36 albertel 214: my ($max)=@_;
1.104 raeburn 215: my @names;
216: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
217: @names = @{ $Apache::response::foilgroup{'names'} };
218: }
219: return if (!@names);
1.88 albertel 220: my @whichopt;
1.36 albertel 221: while ((($#whichopt+1) < $max) && ($#names > -1)) {
222: &Apache::lonxml::debug("Have $#whichopt max is $max");
223: my $aopt;
1.88 albertel 224: if (&Apache::response::showallfoils()) {
225: $aopt=0;
226: } else {
1.36 albertel 227: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
1.88 albertel 228: }
1.36 albertel 229: &Apache::lonxml::debug("From $#names elms, picking $aopt");
230: $aopt=splice(@names,$aopt,1);
231: &Apache::lonxml::debug("Picked $aopt");
1.88 albertel 232: push(@whichopt,$aopt);
1.36 albertel 233: }
234: return @whichopt;
1.2 albertel 235: }
236:
1.40 albertel 237: sub prep_image {
1.42 albertel 238: my ($image,$mode,$name)=@_;
1.85 albertel 239:
240: my ($x,$y)= &get_submission($name);
241: &Apache::lonxml::debug("for $name drawing click at $x and $y");
1.82 albertel 242: &draw_image($mode,$image,$x,$y,$Apache::response::foilgroup{"$name.area"});
243: }
244:
245: sub draw_image {
246: my ($mode,$image,$x,$y,$areas) = @_;
247:
1.41 albertel 248: my $id=&Apache::loncommon::get_cgi_id();
1.82 albertel 249:
1.49 albertel 250: my (%x,$i);
1.78 www 251: $x{"cgi.$id.BGIMG"}=&escape($image);
1.82 albertel 252:
1.40 albertel 253: #draws 2 xs on the image at the clicked location
254: #one in white and then one in red on top of the one in white
1.82 albertel 255:
1.75 albertel 256: if (defined($x) && $x =~/\S/
257: && defined($y) && $y =~/\S/
1.82 albertel 258: && ($mode eq 'submission' || !&Apache::response::show_answer())
1.75 albertel 259: && $mode ne 'answeronly') {
1.40 albertel 260: my $length = 6;
261: my $width = 1;
262: my $extrawidth = 2;
1.48 albertel 263: my $xmin=($x-$length);
264: my $xmax=($x+$length);
265: my $ymin=($y-$length);
266: my $ymax=($y+$length);
267:
1.49 albertel 268: $x{"cgi.$id.OBJTYPE"}.='LINE:';
269: $i=$x{"cgi.$id.OBJCOUNT"}++;
1.58 albertel 270: $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymin),($xmax),($ymax),
1.49 albertel 271: "FFFFFF",($width+$extrawidth)));
272: $x{"cgi.$id.OBJTYPE"}.='LINE:';
273: $i=$x{"cgi.$id.OBJCOUNT"}++;
1.58 albertel 274: $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymax),($xmax),($ymin),
1.49 albertel 275: "FFFFFF",($width+$extrawidth)));
276: $x{"cgi.$id.OBJTYPE"}.='LINE:';
277: $i=$x{"cgi.$id.OBJCOUNT"}++;
1.58 albertel 278: $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymin),($xmax),($ymax),
1.49 albertel 279: "FF0000",($width)));
280: $x{"cgi.$id.OBJTYPE"}.='LINE:';
281: $i=$x{"cgi.$id.OBJCOUNT"}++;
1.58 albertel 282: $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymax),($xmax),($ymin),
1.49 albertel 283: "FF0000",($width)));
1.40 albertel 284: }
1.75 albertel 285: if ($mode eq 'answer' || $mode eq 'answeronly') {
1.42 albertel 286: my $width = 1;
287: my $extrawidth = 2;
1.82 albertel 288: foreach my $area (@{ $areas }) {
1.43 albertel 289: if ($area=~/^rectangle:/) {
1.49 albertel 290: $x{"cgi.$id.OBJTYPE"}.='RECTANGLE:';
291: $i=$x{"cgi.$id.OBJCOUNT"}++;
1.43 albertel 292: my ($x1,$y1,$x2,$y2)=
293: ($area=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/);
1.49 albertel 294: $x{"cgi.$id.OBJ$i"}=join(':',($x1,$y1,$x2,$y2,"FFFFFF",
1.43 albertel 295: ($width+$extrawidth)));
1.49 albertel 296: $x{"cgi.$id.OBJTYPE"}.='RECTANGLE:';
297: $i=$x{"cgi.$id.OBJCOUNT"}++;
298: $x{"cgi.$id.OBJ$i"}=join(':',($x1,$y1,$x2,$y2,"00FF00",$width));
1.43 albertel 299: } elsif ($area=~/^polygon:(.*)/) {
1.49 albertel 300: $x{"cgi.$id.OBJTYPE"}.='POLYGON:';
301: $i=$x{"cgi.$id.OBJCOUNT"}++;
302: $x{"cgi.$id.OBJ$i"}=join(':',("FFFFFF",($width+$extrawidth)));
303: $x{"cgi.$id.OBJEXTRA$i"}=$1;
304: $x{"cgi.$id.OBJTYPE"}.='POLYGON:';
305: $i=$x{"cgi.$id.OBJCOUNT"}++;
306: $x{"cgi.$id.OBJ$i"}=join(':',("00FF00",$width));
307: $x{"cgi.$id.OBJEXTRA$i"}=$1;
1.43 albertel 308: }
1.42 albertel 309: }
310: }
1.93 raeburn 311: &Apache::lonnet::appenv(\%x);
1.41 albertel 312: return $id;
1.40 albertel 313: }
314:
1.2 albertel 315: sub displayfoils {
1.36 albertel 316: my ($target,@whichopt) = @_;
317: my $result ='';
318: my $temp=1;
1.82 albertel 319: my @images;
1.85 albertel 320: foreach my $name (@whichopt) {
1.36 albertel 321: $result.=$Apache::response::foilgroup{"$name.text"};
322: &Apache::lonxml::debug("Text is $result");
323: if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";}
324: my $image=$Apache::response::foilgroup{"$name.image"};
325: &Apache::lonxml::debug("image is $image");
1.91 albertel 326: if ( ($target eq 'web' || $target eq 'answer')
1.97 raeburn 327: && $image !~ /^https?\:/ ) {
1.47 albertel 328: $image=&clean_up_image($image);
1.82 albertel 329: }
330: push(@images,$image);
1.40 albertel 331: &Apache::lonxml::debug("image is $image");
1.36 albertel 332: if ( &Apache::response::show_answer() ) {
333: if ($target eq 'tex') {
334: $result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
335: } else {
1.42 albertel 336: my $token=&prep_image($image,'answer',$name);
1.40 albertel 337: $result.="<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n";
1.36 albertel 338: }
339: } else {
340: if ($target eq 'tex') {
341: $result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
342: } else {
1.85 albertel 343: my $respid=$Apache::inputtags::response['-1'];
344: my $token=&prep_image($image,'submission',$name);
1.87 albertel 345: my $input_id = "HWVAL_$respid:$temp";
346: my $id = $env{'form.request.prefix'}.$input_id;
1.85 albertel 347: $result.='<img onclick="image_response_click(\''.$id.'\',event);"
348: src="/adm/randomlabel.png?token='.$token.'"
1.87 albertel 349: id="'.$id.'_imageresponse"
1.85 albertel 350: />'.
351: '<br />'.
1.87 albertel 352: '<input type="hidden" name="'.$input_id.'_token" value="'.$token.'" />'.
353: '<input type="hidden" name="'.$input_id.'" value="'.
1.85 albertel 354: join(':',&get_submission($name)).'" />';
1.36 albertel 355: }
356: }
357: $temp++;
358: }
1.82 albertel 359: if ($target eq 'web') {
1.100 raeburn 360: &get_prior_options(\@images,\@whichopt);
1.82 albertel 361: }
1.36 albertel 362: return $result;
1.47 albertel 363: }
364:
1.100 raeburn 365: sub get_prior_options {
366: my ($currimages,$curropt) = @_;
367: return unless((ref($curropt) eq 'ARRAY') &&
368: (ref($currimages) eq 'ARRAY'));
369: my $part = $Apache::inputtags::part;
370: my $respid = $Apache::inputtags::response[-1];
371: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
372: my $partprefix = "$i:resource.$part";
373: my $sub_key = "$partprefix.$respid.submission";
374: next if (!exists($Apache::lonhomework::history{$sub_key}));
375: my $type_key = "$partprefix.type";
376: my @whichopt = ();
377: my @images = ();
378: if ($Apache::lonhomework::history{$type_key} eq 'randomizetry') {
379: my $order_key = "$partprefix.$respid.foilorder";
380: @whichopt = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key});
381: if (@whichopt > 0) {
382: foreach my $name (@whichopt) {
383: my $image=$Apache::response::foilgroup{"$name.image"};
384: if ($image !~ /^https?\:/ ) {
385: $image=&clean_up_image($image);
386: }
387: push(@images,$image);
388: }
389: }
390: } else {
391: @whichopt = @{$curropt};
392: @images = @{$currimages};
393: }
1.105 raeburn 394: my $submission;
395: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
396: (($env{'form.grade_username'} eq $env{'user.name'}) &&
397: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
398: $submission = $Apache::lonhomework::history{$sub_key};
399: } else {
400: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
401: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
402: $submission = $Apache::lonhomework::history{$sub_key};
403: }
404: }
1.100 raeburn 405: my $output = &format_prior_response('grade',$submission,
406: [\@images,\@whichopt]);
407: if (defined($output)) {
408: $Apache::inputtags::submission_display{$sub_key} = $output;
409: }
410: }
411: }
412:
1.82 albertel 413: sub format_prior_response {
414: my ($mode,$answer,$other_data) = @_;
1.85 albertel 415:
416: my $result;
1.82 albertel 417:
1.85 albertel 418: # make a copy of the data in the refs
419: my @images = @{ $other_data->[0] };
420: my @foils = @{ $other_data->[1] };
421: foreach my $name (@foils) {
422: my $image = pop(@images);
423: my ($x,$y) = &get_submission($name,$answer);
424: my $token = &draw_image('submission',$image,$x,$y);
425: $result .=
426: '<img class="LC_prior_image"
427: src="/adm/randomlabel.png?token='.$token.'" /><br />';
428: }
429: return $result;
1.82 albertel 430: }
431:
1.75 albertel 432: sub display_answers {
433: my ($target,$whichopt)=@_;
434:
1.88 albertel 435: my $result=&Apache::response::answer_header('imageresponse');
1.75 albertel 436: foreach my $name (@$whichopt) {
437: my $image=$Apache::response::foilgroup{"$name.image"};
438: &Apache::lonxml::debug("image is $image");
1.91 albertel 439: if ( ($target eq 'web' || $target eq 'answer')
1.97 raeburn 440: && $image !~ /^https?\:/ ) {
1.75 albertel 441: $image = &clean_up_image($image);
442: }
443: my $token=&prep_image($image,'answeronly',$name);
444:
445: $result.=&Apache::response::answer_part('imageresponse',"<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n");
446: }
1.88 albertel 447: $result.=&Apache::response::answer_footer('imageresponse');
1.75 albertel 448: return $result;
449: }
450:
1.47 albertel 451: sub clean_up_image {
452: my ($image)=@_;
453: if ($image =~ /\s*<img\s*/) {
1.50 albertel 454: ($image) = ($image =~ /src\s*=\s*[\"\']([^\"\']+)[\"\']/i);
1.97 raeburn 455: if ($image !~ /^https?\:/) {
1.47 albertel 456: $image=&Apache::lonnet::hreflocation('',$image);
457: }
458: if (!$image) {
459: $image='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';
460: }
461: } else {
462: $image=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$image);
1.66 foxr 463: &Apache::lonxml::debug("repcopying: $image");
1.64 raeburn 464: if (&Apache::lonnet::repcopy($image) ne 'ok') {
1.47 albertel 465: $image='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';
466: }
467: }
468: return $image;
1.2 albertel 469: }
470:
1.3 albertel 471: sub gradefoils {
1.36 albertel 472: my (@whichopt) = @_;
1.74 albertel 473:
474: my $partid = $Apache::inputtags::part;
475: my $id = $Apache::inputtags::response['-1'];
476:
477: if ($Apache::lonhomework::type eq 'exam') {
478: &Apache::response::scored_response($partid,$id);
479: return;
480: }
481:
1.85 albertel 482: my @results;
1.36 albertel 483: my $temp=1;
1.85 albertel 484: my %response;
1.36 albertel 485: foreach my $name (@whichopt) {
1.85 albertel 486: my ($x,$y) = split(':',$env{"form.HWVAL_$id:$temp"});
487: $response{$name} = $env{"form.HWVAL_$id:$temp"};
1.36 albertel 488: &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
1.104 raeburn 489: my @areas;
490: if (ref($Apache::response::foilgroup{"$name.area"}) eq 'ARRAY') {
491: @areas = @{ $Apache::response::foilgroup{"$name.area"} };
492: }
493: if (defined($x) && defined($y) && @areas) {
1.36 albertel 494: my $grade="INCORRECT";
495: foreach my $area (@areas) {
496: &Apache::lonxml::debug("Area is $area for $name");
497: $area =~ m/([a-z]*):/;
498: &Apache::lonxml::debug("Area of type $1");
499: if ($1 eq 'rectangle') {
500: $grade=&grade_rectangle($area,$x,$y);
1.43 albertel 501: } elsif ($1 eq 'polygon') {
502: $grade=&grade_polygon($area,$x,$y);
1.36 albertel 503: } else {
1.94 bisitz 504: &Apache::lonxml::error(&mt('Unknown area style [_1]',$area));
1.36 albertel 505: }
506: &Apache::lonxml::debug("Area said $grade");
507: if ($grade eq 'APPROX_ANS') { last; }
508: }
509: &Apache::lonxml::debug("Foil was $grade");
1.85 albertel 510: push(@results, $grade)
511: } else {
512: push(@results, 'MISSING_ANSWER')
1.9 albertel 513: }
1.85 albertel 514: $temp++;
1.36 albertel 515: }
1.100 raeburn 516: if ($Apache::lonhomework::type eq 'randomizetry') {
517: $Apache::lonhomework::results{"resource.$partid.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
518: }
1.85 albertel 519: my ($result) = &Apache::inputtags::finalizeawards(\@results,[]);
520: &Apache::lonxml::debug("Question is $result");
521:
1.60 albertel 522: my $part=$Apache::inputtags::part;
1.85 albertel 523: my %previous=
524: &Apache::response::check_for_previous(&stringify_submission(\%response),
525: $part,$id);
1.99 raeburn 526: if ($result) {
527: if ($Apache::lonhomework::type eq 'survey') {
528: $result='SUBMITTED';
529: } elsif ($Apache::lonhomework::type eq 'surveycred') {
530: $result='SUBMITTED_CREDIT';
531: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
532: $result='ANONYMOUS';
533: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
534: $result='ANONYMOUS_CREDIT';
535: }
536: }
537:
1.60 albertel 538: &Apache::response::handle_previous(\%previous,$result);
1.85 albertel 539: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
540: &stringify_submission(\%response);
1.60 albertel 541: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$result;
1.74 albertel 542: return;
1.3 albertel 543: }
544:
1.85 albertel 545: sub stringify_submission {
546: my ($response) = @_;
1.86 albertel 547: return &Apache::lonnet::hash2str(%{ $response });
1.85 albertel 548: }
549:
550: sub get_submission {
551: my ($name,$string) = @_;
552:
553: if (!defined($string)) {
554: my $part=$Apache::inputtags::part;
555: my $respid=$Apache::inputtags::response['-1'];
1.105 raeburn 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: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
567: (($env{'form.grade_username'} eq $env{'user.name'}) &&
568: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
569: $string =
570: $Apache::lonhomework::history{"resource.$part.$respid.submission"};
571: } else {
572: unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') ||
573: ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) {
574: $string =
575: $Apache::lonhomework::history{"resource.$part.$respid.submission"};
576: }
577: }
578: }
1.85 albertel 579: }
580:
1.86 albertel 581: if ($string !~ /=/) {
1.85 albertel 582: return split(':',$string);
583: } else {
1.86 albertel 584: my %response = &Apache::lonnet::str2hash($string);
1.85 albertel 585: return split(':',$response{$name});
586: }
587: }
588:
1.1 albertel 589: sub end_foilgroup {
1.36 albertel 590: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
591: my $result='';
1.105 raeburn 592: my (@images,@whichopt);
1.75 albertel 593:
1.38 albertel 594: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 595: $target eq 'analyze' || $target eq 'answer') {
596:
1.36 albertel 597: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
598: if ($count>$max) { $count=$max }
599: &Apache::lonxml::debug("Count is $count from $max");
1.75 albertel 600:
1.36 albertel 601: @whichopt = &whichfoils($max);
1.75 albertel 602:
1.36 albertel 603: if ($target eq 'web' || $target eq 'tex') {
604: $result=&displayfoils($target,@whichopt);
1.100 raeburn 605: if ($Apache::lonhomework::type eq 'randomizetry') {
606: if ($target eq 'web') {
1.105 raeburn 607: &get_prior_options(\@images,\@whichopt);
1.100 raeburn 608: }
609: }
1.81 albertel 610: $Apache::lonxml::post_evaluate=0;
1.36 albertel 611: } elsif ($target eq 'grade') {
1.65 albertel 612: if ( defined $env{'form.submitted'}) { &gradefoils(@whichopt); }
1.37 albertel 613: } elsif ( $target eq 'analyze') {
614: &Apache::response::analyze_store_foilgroup(\@whichopt,
615: ['text','image','area']);
1.76 albertel 616: } elsif ($target eq 'answer'
617: && $env{'form.answer_output_mode'} ne 'tex') {
1.75 albertel 618: $result=&display_answers($target,\@whichopt);
1.37 albertel 619: }
1.75 albertel 620:
1.36 albertel 621: } elsif ($target eq 'edit') {
622: $result=&Apache::edit::end_table();
623: }
1.53 albertel 624: &Apache::response::poprandomnumber();
1.36 albertel 625: return $result;
1.1 albertel 626: }
627:
628: sub start_conceptgroup {
1.36 albertel 629: $Apache::imageresponse::conceptgroup=1;
630: %Apache::response::conceptgroup=();
631: return '';
1.1 albertel 632: }
633:
634: sub end_conceptgroup {
1.36 albertel 635: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
636: $Apache::imageresponse::conceptgroup=0;
637: my $result;
1.37 albertel 638: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
639: $target eq 'analyze') {
640: &Apache::response::pick_foil_for_concept($target,
641: ['area','text','image'],
642: \%Apache::hint::image,
643: $parstack,$safeeval);
1.36 albertel 644: } elsif ($target eq 'edit') {
645: $result=&Apache::edit::end_table();
646: }
647: return $result;
1.31 albertel 648: }
649:
650: sub insert_foil {
651: return '
652: <foil>
653: <image></image>
654: <text></text>
655: <rectangle></rectangle>
656: </foil>
657: ';
1.1 albertel 658: }
659:
1.12 albertel 660: $Apache::imageresponse::curname='';
1.1 albertel 661: sub start_foil {
1.36 albertel 662: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.67 albertel 663: my $result;
1.37 albertel 664: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 665: $target eq 'analyze' || $target eq 'answer') {
1.36 albertel 666: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.72 albertel 667: if ($name eq "") {
1.94 bisitz 668: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.59 albertel 669: $name=$Apache::lonxml::curdepth;
670: }
1.51 albertel 671: if (defined($Apache::response::foilnames{$name})) {
1.94 bisitz 672: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique."
673: ,'<b><tt>'.$name.'</tt></b>'));
1.51 albertel 674: }
1.52 albertel 675: $Apache::response::foilnames{$name}++;
1.36 albertel 676: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 677: && !&Apache::response::showallfoils()
1.56 albertel 678: ) {
1.36 albertel 679: push(@{ $Apache::response::conceptgroup{'names'} }, $name);
680: } else {
681: push(@{ $Apache::response::foilgroup{'names'} }, $name);
682: }
683: $Apache::imageresponse::curname=$name;
1.67 albertel 684: } elsif ($target eq 'edit') {
685: $result = &Apache::edit::tag_start($target,$token);
686: $result .= &Apache::edit::text_arg('Name:','name',$token);
687: $result .= &Apache::edit::end_row().
688: &Apache::edit::start_spanning_row();
689: } elsif ($target eq 'modified') {
690: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
691: $safeeval,'name');
692: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
693: }
694: return $result;;
1.1 albertel 695: }
696:
697: sub end_foil {
1.26 albertel 698: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
699: my $result;
700: if ($target eq 'edit') {
701: $result=&Apache::edit::end_table();
702: }
703: return $result;
1.1 albertel 704: }
705:
706: sub start_text {
1.36 albertel 707: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
708: my $result='';
1.75 albertel 709: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
710: || $target eq 'answer') {
1.36 albertel 711: &Apache::lonxml::startredirection;
712: } elsif ($target eq 'edit') {
1.73 albertel 713: my $descr=&Apache::lonxml::get_all_text('/text',$parser,$style);
1.36 albertel 714: $result=&Apache::edit::tag_start($target,$token,'Task Description').
715: &Apache::edit::editfield($token->[1],$descr,'Text',60,2).
716: &Apache::edit::end_row();
717: } elsif ($target eq "modified") {
1.39 albertel 718: $result=$token->[4].&Apache::edit::modifiedfield('/text',$parser);
1.36 albertel 719: }
720: return $result;
1.1 albertel 721: }
722:
723: sub end_text {
1.36 albertel 724: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
725: my $result;
1.75 albertel 726: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
727: || $target eq 'answer') {
1.36 albertel 728: my $name = $Apache::imageresponse::curname;
729: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 730: && !&Apache::response::showallfoils()
1.56 albertel 731: ) {
1.36 albertel 732: $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
733: } else {
734: $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
735: }
736: } elsif ($target eq 'edit') {
737: $result=&Apache::edit::end_table();
738: }
739: return $result;
1.1 albertel 740: }
741:
742: sub start_image {
1.36 albertel 743: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
744: my $result='';
1.83 banghart 745: my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
1.75 albertel 746: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
747: || $target eq 'answer') {
1.36 albertel 748: &Apache::lonxml::startredirection;
749: } elsif ($target eq 'edit') {
1.73 albertel 750: my $bgimg=&Apache::lonxml::get_all_text('/image',$parser,$style);
1.36 albertel 751: $Apache::edit::bgimgsrc=$bgimg;
752: $Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth;
753:
754: $result=&Apache::edit::tag_start($target,$token,'Clickable Image').
1.106 ! raeburn 755: &Apache::edit::editline($token->[1],$bgimg,'Image Source File',40).
! 756: &Apache::edit::browse_or_search(undef,'textnode',undef,$only,undef,1).
1.36 albertel 757: &Apache::edit::end_row();
758: } elsif ($target eq "modified") {
1.39 albertel 759: $result=$token->[4].&Apache::edit::modifiedfield('/image',$parser);
1.36 albertel 760: }
761: return $result;
1.1 albertel 762: }
763:
764: sub end_image {
1.36 albertel 765: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
766: my $result;
767: my $name = $Apache::imageresponse::curname;
1.75 albertel 768: if ($target eq 'web' || $target eq 'answer') {
1.62 albertel 769: my $image = &Apache::lonxml::endredirection();
1.36 albertel 770: &Apache::lonxml::debug("original image is $image");
1.37 albertel 771: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 772: && !&Apache::response::showallfoils()
1.56 albertel 773: ) {
1.37 albertel 774: $Apache::response::conceptgroup{"$name.image"} = $image;
775: } else {
776: $Apache::response::foilgroup{"$name.image"} = $image;
777: }
778: } elsif ($target eq 'analyze') {
1.62 albertel 779: my $image = &Apache::lonxml::endredirection();
1.36 albertel 780: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 781: && !&Apache::response::showallfoils()
1.56 albertel 782: ) {
1.36 albertel 783: $Apache::response::conceptgroup{"$name.image"} = $image;
784: } else {
785: $Apache::response::foilgroup{"$name.image"} = $image;
786: }
787: } elsif ($target eq 'edit') {
788: $result=&Apache::edit::end_table();
789: } elsif ($target eq 'tex') {
1.62 albertel 790: my $src = &Apache::lonxml::endredirection();
1.68 foxr 791:
792: # There may be all sorts of whitespace on fore and aft:
793:
1.69 foxr 794: $src =~ s/\s+$//s;
795: $src =~ s/^\s+//s;
1.68 foxr 796:
797: #
798: # Gnuplot e.g. just generates the latex to put inplace.
799: #
800: my $graphinclude;
1.70 foxr 801: if ($src =~ /^%DYNAMICIMAGE/) {
802: # This is needed because the newline is not always passed -> tex.
803: # At present we don't care about the sizing info.
804:
805: my ($commentline, $restofstuff) = split(/\n/, $src);
1.68 foxr 806: $graphinclude = $src;
1.70 foxr 807: $graphinclude =~ s/^$commentline//;
1.98 foxr 808: } elsif (!($src =~ /\\/)) {
1.68 foxr 809: my ($path,$file) = &Apache::londefdef::get_eps_image($src);
810: my ($height_param,$width_param)=
811: &Apache::londefdef::image_size($src,0.3,$parstack,$safeeval);
812: $graphinclude = '\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'}';
1.98 foxr 813: } else {
814: $graphinclude = $src; # Already fully formed.
1.68 foxr 815: }
816: $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent '.$graphinclude;
1.36 albertel 817: }
818: return $result;
1.1 albertel 819: }
820:
821: sub start_rectangle {
1.36 albertel 822: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
823: my $result='';
1.38 albertel 824: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 825: $target eq 'analyze' || $target eq 'answer') {
1.36 albertel 826: &Apache::lonxml::startredirection;
827: } elsif ($target eq 'edit') {
1.73 albertel 828: my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser,$style);
1.36 albertel 829: $result=&Apache::edit::tag_start($target,$token,'Rectangle').
830: &Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40).
1.44 albertel 831: &Apache::edit::entercoord(undef,'textnode',undef,undef,'box').
1.36 albertel 832: &Apache::edit::end_row();
833: } elsif ($target eq "modified") {
1.44 albertel 834: &Apache::edit::deletecoorddata();
1.39 albertel 835: $result=$token->[4].&Apache::edit::modifiedfield('/rectangle',$parser);
1.36 albertel 836: }
837: return $result;
1.1 albertel 838: }
839:
1.3 albertel 840: sub grade_rectangle {
1.36 albertel 841: my ($spec,$x,$y) = @_;
842: &Apache::lonxml::debug("Spec is $spec");
1.43 albertel 843: my ($x1,$y1,$x2,$y2)=($spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/);
1.36 albertel 844: &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
845: if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }
846: if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }
847: if (($x >= $x1) && ($x <= $x2) && ($y >= $y1) && ($y <= $y2)) {
848: return 'APPROX_ANS';
849: }
850: return 'INCORRECT';
1.3 albertel 851: }
852:
1.1 albertel 853: sub end_rectangle {
1.36 albertel 854: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
855: my $result;
1.38 albertel 856: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 857: $target eq 'analyze' || $target eq 'answer') {
1.36 albertel 858: my $name = $Apache::imageresponse::curname;
859: my $area = &Apache::lonxml::endredirection;
1.54 albertel 860: $area=~s/\s//g;
1.36 albertel 861: &Apache::lonxml::debug("out is $area for $name");
862: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 863: && !&Apache::response::showallfoils()
1.56 albertel 864: ) {
1.36 albertel 865: push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
866: } else {
867: push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
1.43 albertel 868: }
869: } elsif ($target eq 'edit') {
870: $result=&Apache::edit::end_table();
871: }
872: return $result;
873: }
874:
875: sub start_polygon {
876: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
877: my $result='';
878: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 879: $target eq 'analyze' || $target eq 'answer') {
1.43 albertel 880: &Apache::lonxml::startredirection;
881: } elsif ($target eq 'edit') {
1.73 albertel 882: my $coords=&Apache::lonxml::get_all_text('/polygon',$parser,$style);
1.43 albertel 883: $result=&Apache::edit::tag_start($target,$token,'Polygon').
884: &Apache::edit::editline($token->[1],$coords,'Coordinate list',40).
1.44 albertel 885: &Apache::edit::entercoord(undef,'textnode',undef,undef,'polygon').
1.43 albertel 886: &Apache::edit::end_row();
887: } elsif ($target eq "modified") {
888: $result=$token->[4].&Apache::edit::modifiedfield('/polygon',$parser);
889: }
890: return $result;
891: }
892:
893: sub grade_polygon {
894: my ($spec,$x,$y) = @_;
895: &Apache::lonxml::debug("Spec is $spec");
896: $spec=~s/^polygon://;
897: my @polygon;
898: foreach my $coord (split('-',$spec)) {
899: my ($x,$y)=($coord=~m/\(([0-9]+),([0-9]+)\)/);
900: &Apache::lonxml::debug("x $x y $y");
901: push @polygon, {'x'=>$x,'y'=>$y};
902: }
903: #make end point start point
904: push @polygon, $polygon[0];
905: # cribbed from
906: # http://geometryalgorithms.com/Archive/algorithm_0103/algorithm_0103.htm
907: my $crossing = 0; # the crossing number counter
908:
909: # loop through all edges of the polygon
910: for (my $i=0; $i<$#polygon; $i++) { # edge from V[i] to V[i+1]
911: if ((($polygon[$i]->{'y'} <= $y)
912: && ($polygon[$i+1]->{'y'} > $y)) # an upward crossing
913: ||
914: (($polygon[$i]->{'y'} > $y)
915: && ($polygon[$i+1]->{'y'} <= $y))) { # a downward crossing
916: # compute the actual edge-ray intersect x-coordinate
917: my $vt = ($y - $polygon[$i]->{'y'})
918: / ($polygon[$i+1]->{'y'} - $polygon[$i]->{'y'});
919: if ($x < $polygon[$i]->{'x'} + $vt *
920: ($polygon[$i+1]->{'x'} - $polygon[$i]->{'x'})) { # x<intersect
921: $crossing++; # a valid crossing of y=P.y right of P.x
922: }
923: }
924: }
925:
926: # 0 if even (out), and 1 if odd (in)
927: if ($crossing%2) {
928: return 'APPROX_ANS';
929: } else {
930: return 'INCORRECT';
931: }
932: }
933:
934: sub end_polygon {
935: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
936: my $result;
937: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
1.75 albertel 938: $target eq 'analyze' || $target eq 'answer') {
1.43 albertel 939: my $name = $Apache::imageresponse::curname;
940: my $area = &Apache::lonxml::endredirection;
1.48 albertel 941: $area=~s/\s*//g;
1.43 albertel 942: &Apache::lonxml::debug("out is $area for $name");
943: if ( $Apache::imageresponse::conceptgroup
1.88 albertel 944: && !&Apache::response::showallfoils()
1.56 albertel 945: ) {
1.43 albertel 946: push @{ $Apache::response::conceptgroup{"$name.area"} },"polygon:$area";
947: } else {
948: push @{ $Apache::response::foilgroup{"$name.area"} },"polygon:$area";
1.36 albertel 949: }
950: } elsif ($target eq 'edit') {
951: $result=&Apache::edit::end_table();
952: }
953: return $result;
1.1 albertel 954: }
955: 1;
956: __END__
957:
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