Annotation of loncom/homework/imageresponse.pm, revision 1.5
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: $Apache::optionresponse::conceptgroup=0;
1.5 ! albertel 30: &Apache::response::setrandomnumber();
1.1 albertel 31: return '';
32: }
33:
1.2 albertel 34: sub getfoilcounts {
35: my ($parstack,$safeeval)=@_;
36: my $rrargs ='';
37: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
38: my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
39: my $count = $#{ $Apache::response::foilgroup{'names'} };
40: return ($count,$max);
41: }
42:
43: sub whichfoils {
44: my ($max)=@_;
45: my @names = @{ $Apache::response::foilgroup{'names'} };
46: my @whichopt =();
1.5 ! albertel 47: while ((($#whichopt) < $max) && ($#names > -1)) {
1.2 albertel 48: my $aopt=int rand $#names;
49: &Apache::lonxml::debug("From $#names elms, picking $aopt");
50: $aopt=splice(@names,$aopt,1);
51: &Apache::lonxml::debug("Picked $aopt");
52: push (@whichopt,$aopt);
53: }
54: return @whichopt;
55: }
56:
57: sub displayfoils {
58: my (@whichopt) = @_;
59: my $result ='';
60: my $name;
61: my $temp=1;
62: foreach $name (@whichopt) {
63: $result.=$Apache::response::foilgroup{"$name.text"}."<br />\n";
64: my $image=$Apache::response::foilgroup{"$name.image"};
1.3 albertel 65: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
66: $result.="<img src=\"$image\"/> <br />\n";
67: } else {
68: $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
69: }
1.2 albertel 70: $temp++;
71: }
72: return $result;
73: }
74:
1.3 albertel 75: sub gradefoils {
76: my (@whichopt) = @_;
77: my $result='';
78: my $x;
79: my $y;
80: my $result;
81: my $id=$Apache::inputtags::response['-1'];
82: my $temp=1;
83: foreach my $name (@whichopt) {
84: $x=$ENV{"form.HWVAL_$id:$temp.x"};
85: $y=$ENV{"form.HWVAL_$id:$temp.y"};
86: &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
87: my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
88: my $grade="INCORRECT";
89: foreach my $area (@areas) {
90: &Apache::lonxml::debug("Area is $area for $name");
91: $area =~ m/([a-z]*):/;
92: &Apache::lonxml::debug("Area of type $1");
93: if ($1 eq 'rectangle') {
94: $grade=&grade_rectangle($area,$x,$y);
95: } else {
96: &Apache::lonxml::error("Unknown area style $area");
97: }
98: &Apache::lonxml::debug("Area said $grade");
99: if ($grade eq 'APPROX_ANS') { last; }
100: }
101: &Apache::lonxml::debug("Foil was $grade");
102: if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }
103: if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }
104: &Apache::lonxml::debug("Question is $result");
105: $temp++;
106: }
107: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
108: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
109: return '';
110: }
111:
1.1 albertel 112: sub end_foilgroup {
113: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 114: my $result='';
1.3 albertel 115: my @whichopt;
1.2 albertel 116: if ($target eq 'web' || $target eq 'grade') {
117: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
118: if ($count>$max) { $count=$max }
119: &Apache::lonxml::debug("Count is $count from $max");
1.3 albertel 120: @whichopt = &whichfoils($max);
1.2 albertel 121: }
122: if ($target eq 'web') {
123: $result=&displayfoils(@whichopt);
124: }
125: if ($target eq 'grade') {
1.3 albertel 126: if ( defined $ENV{'form.submitted'}) {
127: &gradefoils(@whichopt);
128: }
1.2 albertel 129: }
130: return $result;
1.1 albertel 131: }
132:
133: sub start_conceptgroup {
1.4 albertel 134: $Apache::optionresponse::conceptgroup=1;
135: %Apache::response::conceptgroup={};
136: return '';
1.1 albertel 137: }
138:
139: sub end_conceptgroup {
1.4 albertel 140: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
141: $Apache::optionresponse::conceptgroup=0;
142: if ($target eq 'web' || $target eq 'grade') {
143: my @names = @{ $Apache::response::conceptgroup{'names'} };
144: my $pick=int rand $#names+1;
145: my $name=$names[$pick];
146: push @{ $Apache::response::foilgroup{'names'} }, $name;
147: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
148: $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
149: push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });
150: my $args;
151: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
152: my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
153: $Apache::response::foilgroup{"$name.concept"} = $concept;
154: &Apache::lonxml::debug("Selecting $name in $concept");
155: }
156: return '';
1.1 albertel 157: }
158:
159: $Apache::imageresponse::curname='';
160: sub start_foil {
161: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
162: if ($target eq 'web' || $target eq 'grade') {
163: my $args ='';
164: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
165: my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
1.3 albertel 166: if ($name eq '') { $name=$Apache::lonxml::curdepth; }
167: push(@{ $Apache::response::foilgroup{'names'} }, $name);
1.1 albertel 168: $Apache::imageresponse::curname=$name;
169: }
170: return '';
171: }
172:
173: sub end_foil {
174: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
175: return '';
176: }
177:
178: sub start_text {
179: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 180: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.1 albertel 181: return '';
182: }
183:
184: sub end_text {
185: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
186: if ($target eq 'web') {
187: my $name = $Apache::imageresponse::curname;
1.3 albertel 188: $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
1.1 albertel 189: }
190: return '';
191: }
192:
193: sub start_image {
194: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 195: if ($target eq 'web') { &Apache::lonxml::startredirection; }
1.2 albertel 196: return '';
1.1 albertel 197: }
198:
199: sub end_image {
200: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.2 albertel 201: if ($target eq 'web') {
202: my $name = $Apache::imageresponse::curname;
1.3 albertel 203: my $image = &Apache::lonxml::endredirection;
204: &Apache::lonxml::debug("out is $image");
205: $Apache::response::foilgroup{"$name.image"} = $image;
1.2 albertel 206: }
207: return '';
1.1 albertel 208: }
209:
210: sub start_rectangle {
211: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 212: if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
1.2 albertel 213: return '';
1.1 albertel 214: }
215:
1.3 albertel 216: sub grade_rectangle {
217: my ($spec,$x,$y) = @_;
218: &Apache::lonxml::debug("Spec is $spec");
219: $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
220: my $x1=$1;
221: my $y1=$2;
222: my $x2=$3;
223: my $y2=$4;
224: &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
225: if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }
226: if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }
227: if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } }
228: return 'INCORRECT';
229: }
230:
1.1 albertel 231: sub end_rectangle {
232: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 233: if ($target eq 'web' || $target eq 'grade') {
1.2 albertel 234: my $name = $Apache::imageresponse::curname;
1.3 albertel 235: my $area = &Apache::lonxml::endredirection;
236: &Apache::lonxml::debug("out is $area for $name");
237: push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
1.2 albertel 238: }
1.3 albertel 239: return '';
1.1 albertel 240: }
241: 1;
242: __END__
243:
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