Diff for /loncom/homework/imageresponse.pm between versions 1.11 and 1.12

version 1.11, 2001/08/06 17:39:37 version 1.12, 2001/08/06 20:33:23
Line 1 Line 1
 # The LON-CAPA image response handler  # The LearningOnline Network with CAPA
 #   # 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 possible submissions but only one is possible currently  #FIXME assumes multiple possbile 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',    &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
        'text','image',    push (@Apache::lonxml::namespace,'imageresponse');
        'rectangle',    my $id = &Apache::response::start_response($parstack,$safeeval);
        'conceptgroup'));    return '';
     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');  
     # +1 since instructors will count from 1    my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;    # +1 since instructors will count from 1
     return ($count,$max);    my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
     return ($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.'.      if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
   $Apache::inputtags::part.        $result.="<img src=\"$image\"/> <br />\n";
   '.solved'} =~ /^correct/) {      } else {
     $result .= "<img src=\"$image\"/> <br />\n";        $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
  } else {      }
     $result .= "<input type=\"image\" name=\"HWVAL_".      $temp++;
        $Apache::inputtags::response['-1'].    }
        ":$temp\" src=\"$image\"/> <br />\n";    return $result;
  }  
  $temp++;  
     }  
     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");
     $Apache::lonhomework::results{'resource.'.   if ($grade eq 'APPROX_ANS') { last; }
   $Apache::inputtags::part.        }
   ".$id.submission"} = "$x:$y";        &Apache::lonxml::debug("Foil was $grade");
     $Apache::lonhomework::results{'resource.'.        if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }
   $Apache::inputtags::part.        if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }
   ".$id.awarddetail"} = $result;        &Apache::lonxml::debug("Question is $result");
     return '';        $temp++;
       }
     }
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
     $Apache::lonhomework::results{"resource.$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') {    if ($target eq 'web') {
  $result = &displayfoils(@whichopt);      $result=&displayfoils(@whichopt);
     }    }
     if ($target eq 'grade') {    if ($target eq 'grade') {
  if ( defined $ENV{'form.submitted'}) {      if ( defined $ENV{'form.submitted'}) {
     &gradefoils(@whichopt);        &gradefoils(@whichopt);
  }  
     }      }
     return $result;    }
     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"} =   $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
                                  $Apache::response::conceptgroup{"$name.text"};   $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
  $Apache::response::foilgroup{"$name.image"} =   push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });
                 $Apache::response::conceptgroup{"$name.image"};   my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
  push(@{ $Apache::response::foilgroup{"$name.area"} },   $Apache::response::foilgroup{"$name.concept"} = $concept;
      @{ $Apache::response::conceptgroup{"$name.area"} });   &Apache::lonxml::debug("Selecting $name in $concept");
  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"} =         $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
                                &Apache::lonxml::endredirection;      } else {
  } else {        $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
     $Apache::response::foilgroup{"$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' || $target eq 'grade') {     if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
  &Apache::lonxml::startredirection;    return '';
     }  
     return '';  
 }  }
   
 # ====================================== Grade rectangle (return scalar string)  
 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 => $y1) {    if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } }
  if ($y <= $y2) { return 'APPROX_ANS'; } } } }    return 'INCORRECT';
     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"} },        push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
           "rectangle:$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__
     

Removed from v.1.11  
changed lines
  Added in v.1.12


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