Annotation of loncom/homework/imageresponse.pm, revision 1.9
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # iimage click response style
3:
1.3 albertel 4: #FIXME assumes multiple possbile submissions but only one is possible currently
5:
1.1 albertel 6: package Apache::imageresponse;
7: use strict;
8:
9: sub BEGIN {
10: &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
11: }
12:
13: sub start_imageresponse {
1.8 albertel 14: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 15: #when in a radiobutton response use these
1.7 albertel 16: &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
1.6 albertel 17: push (@Apache::lonxml::namespace,'imageresponse');
1.1 albertel 18: my $id = &Apache::response::start_response($parstack,$safeeval);
19: return '';
20: }
21:
22: sub end_imageresponse {
23: &Apache::response::end_response;
1.6 albertel 24: pop @Apache::lonxml::namespace;
1.1 albertel 25: return '';
26: }
27:
28: %Apache::response::foilgroup={};
29: sub start_foilgroup {
30: %Apache::response::foilgroup={};
1.7 albertel 31: $Apache::imageresponse::conceptgroup=0;
1.5 albertel 32: &Apache::response::setrandomnumber();
1.1 albertel 33: return '';
34: }
35:
1.2 albertel 36: sub getfoilcounts {
37: my ($parstack,$safeeval)=@_;
1.7 albertel 38:
39: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
40: # +1 since instructors will count from 1
41: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.2 albertel 42: return ($count,$max);
43: }
44:
45: sub whichfoils {
46: my ($max)=@_;
1.9 ! albertel 47: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
1.2 albertel 48: my @names = @{ $Apache::response::foilgroup{'names'} };
49: my @whichopt =();
1.7 albertel 50: while ((($#whichopt+1) < $max) && ($#names > -1)) {
51: &Apache::lonxml::debug("Have $#whichopt max is $max");
52: my $aopt=int(rand($#names+1));
1.2 albertel 53: &Apache::lonxml::debug("From $#names elms, picking $aopt");
54: $aopt=splice(@names,$aopt,1);
55: &Apache::lonxml::debug("Picked $aopt");
56: push (@whichopt,$aopt);
57: }
58: return @whichopt;
59: }
60:
61: sub displayfoils {
62: my (@whichopt) = @_;
63: my $result ='';
64: my $name;
65: my $temp=1;
66: foreach $name (@whichopt) {
67: $result.=$Apache::response::foilgroup{"$name.text"}."<br />\n";
68: my $image=$Apache::response::foilgroup{"$name.image"};
1.3 albertel 69: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
70: $result.="<img src=\"$image\"/> <br />\n";
71: } else {
72: $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
73: }
1.2 albertel 74: $temp++;
75: }
76: return $result;
77: }
78:
1.3 albertel 79: sub gradefoils {
80: my (@whichopt) = @_;
81: my $result='';
82: my $x;
83: my $y;
84: my $result;
85: my $id=$Apache::inputtags::response['-1'];
86: my $temp=1;
87: foreach my $name (@whichopt) {
88: $x=$ENV{"form.HWVAL_$id:$temp.x"};
89: $y=$ENV{"form.HWVAL_$id:$temp.y"};
90: &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
1.9 ! albertel 91: if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
! 92: my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
! 93: my $grade="INCORRECT";
! 94: foreach my $area (@areas) {
! 95: &Apache::lonxml::debug("Area is $area for $name");
! 96: $area =~ m/([a-z]*):/;
! 97: &Apache::lonxml::debug("Area of type $1");
! 98: if ($1 eq 'rectangle') {
! 99: $grade=&grade_rectangle($area,$x,$y);
! 100: } else {
! 101: &Apache::lonxml::error("Unknown area style $area");
! 102: }
! 103: &Apache::lonxml::debug("Area said $grade");
! 104: if ($grade eq 'APPROX_ANS') { last; }
1.3 albertel 105: }
1.9 ! albertel 106: &Apache::lonxml::debug("Foil was $grade");
! 107: if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }
! 108: if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }
! 109: &Apache::lonxml::debug("Question is $result");
! 110: $temp++;
1.3 albertel 111: }
112: }
113: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
114: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
115: return '';
116: }
117:
1.1 albertel 118: sub end_foilgroup {
1.8 albertel 119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 120: my $result='';
1.3 albertel 121: my @whichopt;
1.2 albertel 122: if ($target eq 'web' || $target eq 'grade') {
123: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
124: if ($count>$max) { $count=$max }
125: &Apache::lonxml::debug("Count is $count from $max");
1.3 albertel 126: @whichopt = &whichfoils($max);
1.2 albertel 127: }
128: if ($target eq 'web') {
129: $result=&displayfoils(@whichopt);
130: }
131: if ($target eq 'grade') {
1.3 albertel 132: if ( defined $ENV{'form.submitted'}) {
133: &gradefoils(@whichopt);
134: }
1.2 albertel 135: }
136: return $result;
1.1 albertel 137: }
138:
139: sub start_conceptgroup {
1.7 albertel 140: $Apache::imageresponse::conceptgroup=1;
1.4 albertel 141: %Apache::response::conceptgroup={};
142: return '';
1.1 albertel 143: }
144:
145: sub end_conceptgroup {
1.8 albertel 146: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 147: $Apache::imageresponse::conceptgroup=0;
1.4 albertel 148: if ($target eq 'web' || $target eq 'grade') {
1.9 ! albertel 149: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
! 150: my @names = @{ $Apache::response::conceptgroup{'names'} };
! 151: my $pick=int(rand($#names+1));
! 152: my $name=$names[$pick];
! 153: if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {
! 154: push @{ $Apache::response::foilgroup{'names'} }, $name;
! 155: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
! 156: $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
! 157: push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });
! 158: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
! 159: $Apache::response::foilgroup{"$name.concept"} = $concept;
! 160: &Apache::lonxml::debug("Selecting $name in $concept");
! 161: }
! 162: }
1.4 albertel 163: }
164: return '';
1.1 albertel 165: }
166:
167: $Apache::imageresponse::curname='';
168: sub start_foil {
1.8 albertel 169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 170: if ($target eq 'web' || $target eq 'grade') {
1.7 albertel 171: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 172: if ($name eq '') { $name=$Apache::lonxml::curdepth; }
1.7 albertel 173: if ( $Apache::imageresponse::conceptgroup ) {
174: push(@{ $Apache::response::conceptgroup{'names'} }, $name);
175: } else {
176: push(@{ $Apache::response::foilgroup{'names'} }, $name);
177: }
1.1 albertel 178: $Apache::imageresponse::curname=$name;
179: }
180: return '';
181: }
182:
183: sub end_foil {
1.8 albertel 184: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 185: return '';
186: }
187:
188: sub start_text {
1.8 albertel 189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 190: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.1 albertel 191: return '';
192: }
193:
194: sub end_text {
1.8 albertel 195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 196: if ($target eq 'web') {
197: my $name = $Apache::imageresponse::curname;
1.7 albertel 198: if ( $Apache::imageresponse::conceptgroup ) {
199: $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
200: } else {
201: $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
202: }
1.1 albertel 203: }
204: return '';
205: }
206:
207: sub start_image {
1.8 albertel 208: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 209: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.2 albertel 210: return '';
1.1 albertel 211: }
212:
213: sub end_image {
1.8 albertel 214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 215: if ($target eq 'web') {
216: my $name = $Apache::imageresponse::curname;
1.3 albertel 217: my $image = &Apache::lonxml::endredirection;
218: &Apache::lonxml::debug("out is $image");
1.7 albertel 219: if ( $Apache::imageresponse::conceptgroup ) {
220: $Apache::response::conceptgroup{"$name.image"} = $image;
221: } else {
222: $Apache::response::foilgroup{"$name.image"} = $image;
223: }
1.2 albertel 224: }
225: return '';
1.1 albertel 226: }
227:
228: sub start_rectangle {
1.8 albertel 229: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 230: if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
1.2 albertel 231: return '';
1.1 albertel 232: }
233:
1.3 albertel 234: sub grade_rectangle {
235: my ($spec,$x,$y) = @_;
236: &Apache::lonxml::debug("Spec is $spec");
237: $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
238: my $x1=$1;
239: my $y1=$2;
240: my $x2=$3;
241: my $y2=$4;
242: &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
243: if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }
244: if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }
245: if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } }
246: return 'INCORRECT';
247: }
248:
1.1 albertel 249: sub end_rectangle {
1.8 albertel 250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 251: if ($target eq 'web' || $target eq 'grade') {
1.2 albertel 252: my $name = $Apache::imageresponse::curname;
1.3 albertel 253: my $area = &Apache::lonxml::endredirection;
254: &Apache::lonxml::debug("out is $area for $name");
1.7 albertel 255: if ( $Apache::imageresponse::conceptgroup ) {
256: push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
257: } else {
258: push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
259: }
1.2 albertel 260: }
1.3 albertel 261: return '';
1.1 albertel 262: }
263: 1;
264: __END__
265:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to imageresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework