Annotation of loncom/homework/imageresponse.pm, revision 1.8
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)=@_;
47: my @names = @{ $Apache::response::foilgroup{'names'} };
48: my @whichopt =();
1.7 albertel 49: while ((($#whichopt+1) < $max) && ($#names > -1)) {
50: &Apache::lonxml::debug("Have $#whichopt max is $max");
51: my $aopt=int(rand($#names+1));
1.2 albertel 52: &Apache::lonxml::debug("From $#names elms, picking $aopt");
53: $aopt=splice(@names,$aopt,1);
54: &Apache::lonxml::debug("Picked $aopt");
55: push (@whichopt,$aopt);
56: }
57: return @whichopt;
58: }
59:
60: sub displayfoils {
61: my (@whichopt) = @_;
62: my $result ='';
63: my $name;
64: my $temp=1;
65: foreach $name (@whichopt) {
66: $result.=$Apache::response::foilgroup{"$name.text"}."<br />\n";
67: my $image=$Apache::response::foilgroup{"$name.image"};
1.3 albertel 68: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
69: $result.="<img src=\"$image\"/> <br />\n";
70: } else {
71: $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
72: }
1.2 albertel 73: $temp++;
74: }
75: return $result;
76: }
77:
1.3 albertel 78: sub gradefoils {
79: my (@whichopt) = @_;
80: my $result='';
81: my $x;
82: my $y;
83: my $result;
84: my $id=$Apache::inputtags::response['-1'];
85: my $temp=1;
86: foreach my $name (@whichopt) {
87: $x=$ENV{"form.HWVAL_$id:$temp.x"};
88: $y=$ENV{"form.HWVAL_$id:$temp.y"};
89: &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
90: my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
91: my $grade="INCORRECT";
92: foreach my $area (@areas) {
93: &Apache::lonxml::debug("Area is $area for $name");
94: $area =~ m/([a-z]*):/;
95: &Apache::lonxml::debug("Area of type $1");
96: if ($1 eq 'rectangle') {
97: $grade=&grade_rectangle($area,$x,$y);
98: } else {
99: &Apache::lonxml::error("Unknown area style $area");
100: }
101: &Apache::lonxml::debug("Area said $grade");
102: if ($grade eq 'APPROX_ANS') { last; }
103: }
104: &Apache::lonxml::debug("Foil was $grade");
105: if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }
106: if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }
107: &Apache::lonxml::debug("Question is $result");
108: $temp++;
109: }
110: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
111: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
112: return '';
113: }
114:
1.1 albertel 115: sub end_foilgroup {
1.8 ! albertel 116: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 117: my $result='';
1.3 albertel 118: my @whichopt;
1.2 albertel 119: if ($target eq 'web' || $target eq 'grade') {
120: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
121: if ($count>$max) { $count=$max }
122: &Apache::lonxml::debug("Count is $count from $max");
1.3 albertel 123: @whichopt = &whichfoils($max);
1.2 albertel 124: }
125: if ($target eq 'web') {
126: $result=&displayfoils(@whichopt);
127: }
128: if ($target eq 'grade') {
1.3 albertel 129: if ( defined $ENV{'form.submitted'}) {
130: &gradefoils(@whichopt);
131: }
1.2 albertel 132: }
133: return $result;
1.1 albertel 134: }
135:
136: sub start_conceptgroup {
1.7 albertel 137: $Apache::imageresponse::conceptgroup=1;
1.4 albertel 138: %Apache::response::conceptgroup={};
139: return '';
1.1 albertel 140: }
141:
142: sub end_conceptgroup {
1.8 ! albertel 143: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 144: $Apache::imageresponse::conceptgroup=0;
1.4 albertel 145: if ($target eq 'web' || $target eq 'grade') {
146: my @names = @{ $Apache::response::conceptgroup{'names'} };
1.7 albertel 147: my $pick=int(rand($#names+1));
1.4 albertel 148: my $name=$names[$pick];
149: push @{ $Apache::response::foilgroup{'names'} }, $name;
150: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
151: $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
152: push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });
1.7 albertel 153: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
1.4 albertel 154: $Apache::response::foilgroup{"$name.concept"} = $concept;
155: &Apache::lonxml::debug("Selecting $name in $concept");
156: }
157: return '';
1.1 albertel 158: }
159:
160: $Apache::imageresponse::curname='';
161: sub start_foil {
1.8 ! albertel 162: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 163: if ($target eq 'web' || $target eq 'grade') {
1.7 albertel 164: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 165: if ($name eq '') { $name=$Apache::lonxml::curdepth; }
1.7 albertel 166: if ( $Apache::imageresponse::conceptgroup ) {
167: push(@{ $Apache::response::conceptgroup{'names'} }, $name);
168: } else {
169: push(@{ $Apache::response::foilgroup{'names'} }, $name);
170: }
1.1 albertel 171: $Apache::imageresponse::curname=$name;
172: }
173: return '';
174: }
175:
176: sub end_foil {
1.8 ! albertel 177: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 178: return '';
179: }
180:
181: sub start_text {
1.8 ! albertel 182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 183: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.1 albertel 184: return '';
185: }
186:
187: sub end_text {
1.8 ! albertel 188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1 albertel 189: if ($target eq 'web') {
190: my $name = $Apache::imageresponse::curname;
1.7 albertel 191: if ( $Apache::imageresponse::conceptgroup ) {
192: $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
193: } else {
194: $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
195: }
1.1 albertel 196: }
197: return '';
198: }
199:
200: sub start_image {
1.8 ! albertel 201: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 202: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.2 albertel 203: return '';
1.1 albertel 204: }
205:
206: sub end_image {
1.8 ! albertel 207: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 208: if ($target eq 'web') {
209: my $name = $Apache::imageresponse::curname;
1.3 albertel 210: my $image = &Apache::lonxml::endredirection;
211: &Apache::lonxml::debug("out is $image");
1.7 albertel 212: if ( $Apache::imageresponse::conceptgroup ) {
213: $Apache::response::conceptgroup{"$name.image"} = $image;
214: } else {
215: $Apache::response::foilgroup{"$name.image"} = $image;
216: }
1.2 albertel 217: }
218: return '';
1.1 albertel 219: }
220:
221: sub start_rectangle {
1.8 ! albertel 222: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 223: if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
1.2 albertel 224: return '';
1.1 albertel 225: }
226:
1.3 albertel 227: sub grade_rectangle {
228: my ($spec,$x,$y) = @_;
229: &Apache::lonxml::debug("Spec is $spec");
230: $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
231: my $x1=$1;
232: my $y1=$2;
233: my $x2=$3;
234: my $y2=$4;
235: &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
236: if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }
237: if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }
238: if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } }
239: return 'INCORRECT';
240: }
241:
1.1 albertel 242: sub end_rectangle {
1.8 ! albertel 243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 244: if ($target eq 'web' || $target eq 'grade') {
1.2 albertel 245: my $name = $Apache::imageresponse::curname;
1.3 albertel 246: my $area = &Apache::lonxml::endredirection;
247: &Apache::lonxml::debug("out is $area for $name");
1.7 albertel 248: if ( $Apache::imageresponse::conceptgroup ) {
249: push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
250: } else {
251: push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
252: }
1.2 albertel 253: }
1.3 albertel 254: return '';
1.1 albertel 255: }
256: 1;
257: __END__
258:
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