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Diff for /loncom/homework/imageresponse.pm between versions 1.9 and 1.10

version 1.9, 2001/06/26 21:40:37 version 1.10, 2001/08/06 17:37:12
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LON-CAPA image response handler
 # iimage click response style  # 
   # Image click response style
   #
   # YEAR=2001
   # 2/7,2/9,2/22,3/1,5/4,5/15,5/31,6/2,6/26 Guy Albertelli
   # 8/6 Scott Harrison
   
 #FIXME assumes multiple possbile submissions but only one is possible currently  #FIXME assumes multiple possible submissions but only one is possible currently
   
 package Apache::imageresponse;  package Apache::imageresponse;
 use strict;  use strict;
   
   # ======================================================================= BEGIN
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));      &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
 }  }
   
   # ======================================================== Start image response
 sub start_imageresponse {  sub start_imageresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   #when in a radiobutton response use these      #when in a radiobutton response use these
   &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));      &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil',
   push (@Apache::lonxml::namespace,'imageresponse');         'text','image',
   my $id = &Apache::response::start_response($parstack,$safeeval);         'rectangle',
   return '';         'conceptgroup'));
       push (@Apache::lonxml::namespace,'imageresponse');
       my $id = &Apache::response::start_response($parstack,$safeeval);
       return '';
 }  }
   
   # ========================================================== End image response
 sub end_imageresponse {  sub end_imageresponse {
   &Apache::response::end_response;      &Apache::response::end_response;
   pop @Apache::lonxml::namespace;      pop @Apache::lonxml::namespace;
   return '';      return '';
 }  }
   
 %Apache::response::foilgroup={};  %Apache::response::foilgroup = {};
   # ============================================================ Start foil group
 sub start_foilgroup {  sub start_foilgroup {
   %Apache::response::foilgroup={};      %Apache::response::foilgroup = {};
   $Apache::imageresponse::conceptgroup=0;      $Apache::imageresponse::conceptgroup = 0;
   &Apache::response::setrandomnumber();      &Apache::response::setrandomnumber();
   return '';      return '';
 }  }
   
   # =================================== Get foil counts (returns 2 element array)
 sub getfoilcounts {  sub getfoilcounts {
   my ($parstack,$safeeval)=@_;      my ($parstack,$safeeval) = @_;
       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
   my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');      # +1 since instructors will count from 1
   # +1 since instructors will count from 1      my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
   my $count = $#{ $Apache::response::foilgroup{'names'} }+1;      return ($count,$max);
   return ($count,$max);  
 }  }
   
   # ============================================== Which foils (returns an array)
 sub whichfoils {  sub whichfoils {
   my ($max)=@_;      my ($max) = @_;
   if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }      if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
   my @names = @{ $Apache::response::foilgroup{'names'} };      my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt =();      my @whichopt =();
   while ((($#whichopt+1) < $max) && ($#names > -1)) {      while ((($#whichopt+1) < $max) && ($#names > -1)) {
     &Apache::lonxml::debug("Have $#whichopt max is $max");   &Apache::lonxml::debug("Have $#whichopt max is $max");
     my $aopt=int(rand($#names+1));   my $aopt = int(rand($#names+1));
     &Apache::lonxml::debug("From $#names elms, picking $aopt");   &Apache::lonxml::debug("From $#names elms, picking $aopt");
     $aopt=splice(@names,$aopt,1);   $aopt = splice(@names,$aopt,1);
     &Apache::lonxml::debug("Picked $aopt");   &Apache::lonxml::debug("Picked $aopt");
     push (@whichopt,$aopt);   push (@whichopt,$aopt);
   }      }
   return @whichopt;      return @whichopt;
 }  }
   
   # ======================================= Display foils (returns scalar string)
 sub displayfoils {  sub displayfoils {
   my (@whichopt) = @_;      my (@whichopt) = @_;
   my $result ='';      my $result ='';
   my $name;      my $name;
   my $temp=1;      my $temp = 1;
   foreach $name (@whichopt) {      foreach $name (@whichopt) {
     $result.=$Apache::response::foilgroup{"$name.text"}."<br />\n";   $result .= $Apache::response::foilgroup{"$name.text"}."<br />\n";
     my $image=$Apache::response::foilgroup{"$name.image"};   my $image = $Apache::response::foilgroup{"$name.image"};
     if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {   if ($Apache::lonhomework::history{'resource.'.
       $result.="<img src=\"$image\"/> <br />\n";    $Apache::inputtags::part.
     } else {    '.solved'} =~ /^correct/) {
       $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";      $result .= "<img src=\"$image\"/> <br />\n";
    } else {
       $result .= "<input type=\"image\" name=\"HWVAL_".
          $Apache::inputtags::response['-1'].
          ":$temp\" src=\"$image\"/> <br />\n";
    }
    $temp++;
     }      }
     $temp++;      return $result;
   }  
   return $result;  
 }  }
   
   # ================================================================= Grade foils
 sub gradefoils {  sub gradefoils {
   my (@whichopt) = @_;      my (@whichopt) = @_;
   my $result='';      my $result = '';
   my $x;      my $x;
   my $y;      my $y;
   my $result;      my $result;
   my $id=$Apache::inputtags::response['-1'];      my $id = $Apache::inputtags::response['-1'];
   my $temp=1;      my $temp = 1;
   foreach my $name (@whichopt) {      foreach my $name (@whichopt) {
     $x=$ENV{"form.HWVAL_$id:$temp.x"};   $x = $ENV{"form.HWVAL_$id:$temp.x"};
     $y=$ENV{"form.HWVAL_$id:$temp.y"};   $y = $ENV{"form.HWVAL_$id:$temp.y"};
     &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");   &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
     if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {   if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
       my @areas = @{ $Apache::response::foilgroup{"$name.area"} };      my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
       my $grade="INCORRECT";      my $grade = "INCORRECT";
       foreach my $area (@areas) {      foreach my $area (@areas) {
  &Apache::lonxml::debug("Area is $area for $name");   &Apache::lonxml::debug("Area is $area for $name");
  $area =~ m/([a-z]*):/;   $area =~ m/([a-z]*):/;
  &Apache::lonxml::debug("Area of type $1");   &Apache::lonxml::debug("Area of type $1");
  if ($1 eq 'rectangle') {   if ($1 eq 'rectangle') {
   $grade=&grade_rectangle($area,$x,$y);      $grade = &grade_rectangle($area,$x,$y);
  } else {   } else {
   &Apache::lonxml::error("Unknown area style $area");      &Apache::lonxml::error("Unknown area style $area");
    }
    &Apache::lonxml::debug("Area said $grade");
    if ($grade eq 'APPROX_ANS') { last; }
       }
       &Apache::lonxml::debug("Foil was $grade");
       if ($grade eq 'INCORRECT') { $result = 'INCORRECT'; }
       if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) {
    $result = $grade; }
       &Apache::lonxml::debug("Question is $result");
       $temp++;
  }   }
  &Apache::lonxml::debug("Area said $grade");  
  if ($grade eq 'APPROX_ANS') { last; }  
       }  
       &Apache::lonxml::debug("Foil was $grade");  
       if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }  
       if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }  
       &Apache::lonxml::debug("Question is $result");  
       $temp++;  
     }      }
   }      $Apache::lonhomework::results{'resource.'.
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";    $Apache::inputtags::part.
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;    ".$id.submission"} = "$x:$y";
   return '';      $Apache::lonhomework::results{'resource.'.
     $Apache::inputtags::part.
     ".$id.awarddetail"} = $result;
       return '';
 }  }
   
   # ======================================= End foil group (return scalar string)
 sub end_foilgroup {  sub end_foilgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   my $result='';      my $result = '';
   my @whichopt;      my @whichopt;
   if ($target eq 'web' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'grade') {
     my ($count,$max) = &getfoilcounts($parstack,$safeeval);   my ($count,$max) = &getfoilcounts($parstack,$safeeval);
     if ($count>$max) { $count=$max }   if ($count > $max) { $count = $max }
     &Apache::lonxml::debug("Count is $count from $max");   &Apache::lonxml::debug("Count is $count from $max");
     @whichopt = &whichfoils($max);   @whichopt = &whichfoils($max);
   }  
   if ($target eq 'web') {  
     $result=&displayfoils(@whichopt);  
   }  
   if ($target eq 'grade') {  
     if ( defined $ENV{'form.submitted'}) {  
       &gradefoils(@whichopt);  
     }      }
   }      if ($target eq 'web') {
   return $result;   $result = &displayfoils(@whichopt);
       }
       if ($target eq 'grade') {
    if ( defined $ENV{'form.submitted'}) {
       &gradefoils(@whichopt);
    }
       }
       return $result;
 }  }
   
   # ========================================================= Start concept group
 sub start_conceptgroup {  sub start_conceptgroup {
   $Apache::imageresponse::conceptgroup=1;      $Apache::imageresponse::conceptgroup = 1;
   %Apache::response::conceptgroup={};      %Apache::response::conceptgroup = {};
   return '';      return '';
 }  }
   
   # =========================================================== End concept group
 sub end_conceptgroup {  sub end_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   $Apache::imageresponse::conceptgroup=0;        $Apache::imageresponse::conceptgroup = 0;  
   if ($target eq 'web' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'grade') {
     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {   if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
       my @names = @{ $Apache::response::conceptgroup{'names'} };      my @names = @{ $Apache::response::conceptgroup{'names'} };
       my $pick=int(rand($#names+1));      my $pick = int(rand($#names+1));
       my $name=$names[$pick];      my $name = $names[$pick];
       if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {      if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {
  push @{ $Apache::response::foilgroup{'names'} }, $name;   push @{ $Apache::response::foilgroup{'names'} }, $name;
  $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};   $Apache::response::foilgroup{"$name.text"} =
  $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};                                   $Apache::response::conceptgroup{"$name.text"};
  push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });   $Apache::response::foilgroup{"$name.image"} =
  my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);                  $Apache::response::conceptgroup{"$name.image"};
  $Apache::response::foilgroup{"$name.concept"} = $concept;   push(@{ $Apache::response::foilgroup{"$name.area"} },
  &Apache::lonxml::debug("Selecting $name in $concept");       @{ $Apache::response::conceptgroup{"$name.area"} });
       }   my $concept = &Apache::lonxml::get_param('concept',$parstack,
    $safeeval);
    $Apache::response::foilgroup{"$name.concept"} = $concept;
    &Apache::lonxml::debug("Selecting $name in $concept");
       }
    }
     }      }
   }      return '';
   return '';  
 }  }
   
 $Apache::imageresponse::curname='';  $Apache::imageresponse::curname = '';
   # ================================================================== Start foil
 sub start_foil {  sub start_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'grade') {
     my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     if ($name eq '') { $name=$Apache::lonxml::curdepth; }   if ($name eq '') { $name=$Apache::lonxml::curdepth; }
     if ( $Apache::imageresponse::conceptgroup ) {   if ( $Apache::imageresponse::conceptgroup ) {
       push(@{ $Apache::response::conceptgroup{'names'} }, $name);      push(@{ $Apache::response::conceptgroup{'names'} }, $name);
     } else {   } else {
       push(@{ $Apache::response::foilgroup{'names'} }, $name);      push(@{ $Apache::response::foilgroup{'names'} }, $name);
    }
    $Apache::imageresponse::curname=$name;
     }      }
     $Apache::imageresponse::curname=$name;      return '';
   }  
   return '';  
 }  }
   
   # ==================================================================== End foil
 sub end_foil {  sub end_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   return '';      return '';
 }  }
   
   # ================================================================== Start text
 sub start_text {  sub start_text {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web') { &Apache::lonxml::startredirection; }      if ($target eq 'web') { &Apache::lonxml::startredirection; }
   return '';      return '';
 }  }
   
   # ==================================================================== End text
 sub end_text {  sub end_text {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web') {      if ($target eq 'web') {
     my $name = $Apache::imageresponse::curname;   my $name = $Apache::imageresponse::curname;
     if ( $Apache::imageresponse::conceptgroup ) {   if ( $Apache::imageresponse::conceptgroup ) {
       $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;      $Apache::response::conceptgroup{"$name.text"} = 
     } else {                                 &Apache::lonxml::endredirection;
       $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;   } else {
       $Apache::response::foilgroup{"$name.text"} = 
                                  &Apache::lonxml::endredirection;
    }
     }      }
   }      return '';
   return '';  
 }  }
   
   # ================================================================= Start image
 sub start_image {  sub start_image {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web') { &Apache::lonxml::startredirection; }      if ($target eq 'web') { &Apache::lonxml::startredirection; }
   return '';      return '';
 }  }
   
   # =================================================================== End image
 sub end_image {  sub end_image {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web') {      if ($target eq 'web') {
     my $name = $Apache::imageresponse::curname;   my $name = $Apache::imageresponse::curname;
     my $image = &Apache::lonxml::endredirection;   my $image = &Apache::lonxml::endredirection;
     &Apache::lonxml::debug("out is $image");   &Apache::lonxml::debug("out is $image");
     if ( $Apache::imageresponse::conceptgroup ) {   if ( $Apache::imageresponse::conceptgroup ) {
       $Apache::response::conceptgroup{"$name.image"} = $image;      $Apache::response::conceptgroup{"$name.image"} = $image;
     } else {   } else {
       $Apache::response::foilgroup{"$name.image"} = $image;      $Apache::response::foilgroup{"$name.image"} = $image;
    }
     }      }
   }      return '';
   return '';  
 }  }
   
   # ============================================================= Start rectangle
 sub start_rectangle {  sub start_rectangle {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }      if ($target eq 'web' || $target eq 'grade') { 
   return '';   &Apache::lonxml::startredirection;
       }
       return '';
 }  }
   
   # ============================================================= Grade rectangle
 sub grade_rectangle {  sub grade_rectangle {
   my ($spec,$x,$y) = @_;      my ($spec,$x,$y) = @_;
   &Apache::lonxml::debug("Spec is $spec");      &Apache::lonxml::debug("Spec is $spec");
   $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;      $spec =~ m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
   my $x1=$1;      my $x1 = $1;
   my $y1=$2;      my $y1 = $2;
   my $x2=$3;      my $x2 = $3;
   my $y2=$4;      my $y2 = $4;
   &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");      &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
   if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }      if ($x1 > $x2) { my $temp = $x1; $x1 = $x2; $x2 = $temp; }
   if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }      if ($y1 > $y2) { my $temp = $y1; $y1 = $y2; $y2 = $temp; }
   if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } }      if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) {
   return 'INCORRECT';   if ($y <= $y2) { return 'APPROX_ANS'; } } } }
       return 'INCORRECT';
 }  }
   
   # =============================================================== End rectangle
 sub end_rectangle {  sub end_rectangle {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
     my $name = $Apache::imageresponse::curname;      my $name = $Apache::imageresponse::curname;
     my $area = &Apache::lonxml::endredirection;      my $area = &Apache::lonxml::endredirection;
     &Apache::lonxml::debug("out is $area for $name");      &Apache::lonxml::debug("out is $area for $name");
     if ( $Apache::imageresponse::conceptgroup ) {      if ( $Apache::imageresponse::conceptgroup ) {
       push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";        push @{ $Apache::response::conceptgroup{"$name.area"} },
              "rectangle:$area";
     } else {      } else {
       push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";        push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
     }      }
   }    }
   return '';    return '';
 }  }
   
 1;  1;
   
 __END__  __END__
     
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  Added in v.1.10

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