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Diff for /loncom/homework/imageresponse.pm between versions 1.2 and 1.16

version 1.2, 2001/02/09 03:42:59 version 1.16, 2002/01/17 12:23:31
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # iimage click response style  # image click response style
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   
   #FIXME assumes multiple possbile submissions but only one is possible currently
   
 package Apache::imageresponse;  package Apache::imageresponse;
 use strict;  use strict;
   
 sub BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));    &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
 }  }
   
 sub start_imageresponse {  sub start_imageresponse {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
   #when in a radiobutton response use these    #when in a radiobutton response use these
   &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle'));    &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
     push (@Apache::lonxml::namespace,'imageresponse');
   my $id = &Apache::response::start_response($parstack,$safeeval);    my $id = &Apache::response::start_response($parstack,$safeeval);
   return '';    if ($target eq 'meta') {
       $result=&Apache::response::meta_package_write('imageresponse');
     }
     return $result;
 }  }
   
 sub end_imageresponse {  sub end_imageresponse {
   &Apache::response::end_response;    &Apache::response::end_response;
     pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
   return '';    return '';
 }  }
   
 %Apache::response::foilgroup={};  %Apache::response::foilgroup={};
 sub start_foilgroup {  sub start_foilgroup {
   %Apache::response::foilgroup={};    %Apache::response::foilgroup={};
   return '';    $Apache::imageresponse::conceptgroup=0;
 }    &Apache::response::setrandomnumber();
   
 sub setrandomnumber {  
   my $rndseed=&Apache::lonnet::rndseed();  
   $rndseed=unpack("%32i",$rndseed);  
   $rndseed=$rndseed  
     +&Apache::lonnet::numval($Apache::inputtags::part)  
       +&Apache::lonnet::numval($Apache::inputtags::response['-1']);  
   srand($rndseed);  
   return '';    return '';
 }  }
   
 sub getfoilcounts {  sub getfoilcounts {
   my ($parstack,$safeeval)=@_;    my ($parstack,$safeeval)=@_;
   my $rrargs ='';  
   if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }    my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
   my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);    # +1 since instructors will count from 1
   my $count = $#{ $Apache::response::foilgroup{'names'} };    my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
   return ($count,$max);    return ($count,$max);
 }  }
   
 sub whichfoils {  sub whichfoils {
   my ($max)=@_;    my ($max)=@_;
     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)) {
     my $aopt=int rand $#names;      &Apache::lonxml::debug("Have $#whichopt max is $max");
       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");
Line 63  sub whichfoils { Line 91  sub whichfoils {
 sub displayfoils {  sub displayfoils {
   my (@whichopt) = @_;    my (@whichopt) = @_;
   my $result ='';    my $result ='';
   #<input type=image name=timg0 src=/~walt/kap18/picts/ch1map.gif>  
   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"};
     $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";      if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
         $result.="<img src=\"$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;
 }  }
   
   sub gradefoils {
     my (@whichopt) = @_;
     my $result='';
     my $x;
     my $y;
     my $result;
     my $id=$Apache::inputtags::response['-1'];
     my $temp=1;
     foreach my $name (@whichopt) {
       $x=$ENV{"form.HWVAL_$id:$temp.x"};
       $y=$ENV{"form.HWVAL_$id:$temp.y"};
       &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
       if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
         my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
         my $grade="INCORRECT";
         foreach my $area (@areas) {
    &Apache::lonxml::debug("Area is $area for $name");
    $area =~ m/([a-z]*):/;
    &Apache::lonxml::debug("Area of type $1");
    if ($1 eq 'rectangle') {
     $grade=&grade_rectangle($area,$x,$y);
    } else {
     &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++;
       }
     }
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
     return '';
   }
   
 sub end_foilgroup {  sub end_foilgroup {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';    my $result='';
     my @whichopt;
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
     &setrandomnumber();  
     my ($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 $max");
     my @whichopt = &whichfoils($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') {
     &gradefoils(@whichopt);      if ( defined $ENV{'form.submitted'}) {
         &gradefoils(@whichopt);
       }
   }    }
   return $result;    return $result;
 }  }
   
 sub start_conceptgroup {  sub start_conceptgroup {
     $Apache::imageresponse::conceptgroup=1;
     %Apache::response::conceptgroup={};
     return '';
 }  }
   
 sub end_conceptgroup {  sub end_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::imageresponse::conceptgroup=0;  
     if ($target eq 'web' || $target eq 'grade') {
       if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
         my @names = @{ $Apache::response::conceptgroup{'names'} };
         my $pick=int(rand($#names+1));
         my $name=$names[$pick];
         if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {
    push @{ $Apache::response::foilgroup{'names'} }, $name;
    $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
    $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
    push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$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 '';
 }  }
   
 $Apache::imageresponse::curname='';  $Apache::imageresponse::curname='';
 sub start_foil {  sub start_foil {
   my ($target,$token,$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 $args ='';      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }      if ($name eq '') { $name=$Apache::lonxml::curdepth; }
     my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);      if ( $Apache::imageresponse::conceptgroup ) {
     push @{ $Apache::response::foilgroup{'names'} }, $name;        push(@{ $Apache::response::conceptgroup{'names'} }, $name);
       } else {
         push(@{ $Apache::response::foilgroup{'names'} }, $name);
       }
     $Apache::imageresponse::curname=$name;      $Apache::imageresponse::curname=$name;
   }    }
   return '';    return '';
 }  }
   
 sub end_foil {  sub end_foil {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   return '';    return '';
 }  }
   
 sub start_text {  sub start_text {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web') {     if ($target eq 'web') { &Apache::lonxml::startredirection; }
     $Apache::lonxml::redirection--;   
   }  
   return '';    return '';
 }  }
   
 sub end_text {  sub end_text {
   my ($target,$token,$parstack,$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;
     $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;      if ( $Apache::imageresponse::conceptgroup ) {
     if ($target eq 'web' ) {        $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
       $Apache::lonxml::redirection++;      } else {
       if ($Apache::lonxml::redirection == 1) {         $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
  $Apache::lonxml::outputstack='';   
       }  
     }      }
   }    }
   return '';    return '';
 }  }
   
 sub start_image {  sub start_image {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web') { $Apache::lonxml::redirection--; }    if ($target eq 'web') { &Apache::lonxml::startredirection; }
   return '';    return '';
 }  }
   
 sub end_image {  sub end_image {
   my ($target,$token,$parstack,$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;
     $Apache::response::foilgroup{"$name.image"} = $Apache::lonxml::outputstack;      my $image = &Apache::lonxml::endredirection;
     if ($target eq 'web' ) {      &Apache::lonxml::debug("out is $image");
       $Apache::lonxml::redirection++;      if ( $Apache::imageresponse::conceptgroup ) {
       if ($Apache::lonxml::redirection == 1) {$Apache::lonxml::outputstack='';}        $Apache::response::conceptgroup{"$name.image"} = $image;
       } else {
         $Apache::response::foilgroup{"$name.image"} = $image;
     }      }
   }    }
   return '';    return '';
 }  }
   
 sub start_rectangle {  sub start_rectangle {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web') { $Apache::lonxml::redirection--; }    if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
   return '';    return '';
 }  }
   
   sub grade_rectangle {
     my ($spec,$x,$y) = @_;
     &Apache::lonxml::debug("Spec is $spec");
     $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
     my $x1=$1;
     my $y1=$2;
     my $x2=$3;
     my $y2=$4;
     &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
     if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$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'; } } } }
     return 'INCORRECT';
   }
   
 sub end_rectangle {  sub end_rectangle {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web') {    if ($target eq 'web' || $target eq 'grade') {
     my $name = $Apache::imageresponse::curname;      my $name = $Apache::imageresponse::curname;
     push ${ $Apache::response::foilgroup{"$name.area"}},"rectangle:$Apache::lonxml::outputstack";      my $area = &Apache::lonxml::endredirection;
     if ($target eq 'web' ) {      &Apache::lonxml::debug("out is $area for $name");
       $Apache::lonxml::redirection++;      if ( $Apache::imageresponse::conceptgroup ) {
       if ($Apache::lonxml::redirection == 1) {$Apache::lonxml::outputstack='';}        push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
       } else {
         push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
     }      }
   }    }
     return '';
 }  }
 1;  1;
 __END__  __END__
Removed from v.1.2  
changed lines
  Added in v.1.16

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