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