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Diff for /loncom/homework/imageresponse.pm between versions 1.7 and 1.23

version 1.7, 2001/05/31 22:34:33 version 1.23, 2003/01/16 02:55:05
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  #FIXME assumes multiple possbile submissions but only one is possible currently
   
 package Apache::imageresponse;  package Apache::imageresponse;
 use strict;  use strict;
   use Image::Magick;
   
 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','conceptgroup'));    &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
   push (@Apache::lonxml::namespace,'imageresponse');    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;    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=();
   $Apache::imageresponse::conceptgroup=0;    $Apache::imageresponse::conceptgroup=0;
   &Apache::response::setrandomnumber();    &Apache::response::setrandomnumber();
   return '';    return '';
Line 39  sub getfoilcounts { Line 70  sub getfoilcounts {
   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;
     if (&Apache::response::showallfoils()) { $max=$count; }
   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)) {
     &Apache::lonxml::debug("Have $#whichopt max is $max");      &Apache::lonxml::debug("Have $#whichopt max is $max");
     my $aopt=int(rand($#names+1));      my $aopt;
       if (&Apache::response::showallfoils()) {
         $aopt=0;
       } else {
         $aopt=int(&Math::Random::random_uniform() * ($#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 77  sub displayfoils { Line 115  sub displayfoils {
   
 sub gradefoils {  sub gradefoils {
   my (@whichopt) = @_;    my (@whichopt) = @_;
   my $result='';  
   my $x;    my $x;
   my $y;    my $y;
   my $result;    my $result;
Line 87  sub gradefoils { Line 124  sub gradefoils {
     $x=$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");
     my @areas = @{ $Apache::response::foilgroup{"$name.area"} };      if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
     my $grade="INCORRECT";        my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
     foreach my $area (@areas) {        my $grade="INCORRECT";
       &Apache::lonxml::debug("Area is $area for $name");        foreach my $area (@areas) {
       $area =~ m/([a-z]*):/;   &Apache::lonxml::debug("Area is $area for $name");
       &Apache::lonxml::debug("Area of type $1");   $area =~ m/([a-z]*):/;
       if ($1 eq 'rectangle') {   &Apache::lonxml::debug("Area of type $1");
  $grade=&grade_rectangle($area,$x,$y);   if ($1 eq 'rectangle') {
       } else {    $grade=&grade_rectangle($area,$x,$y);
  &Apache::lonxml::error("Unknown area style $area");   } else {
     &Apache::lonxml::error("Unknown area style $area");
    }
    &Apache::lonxml::debug("Area said $grade");
    if ($grade eq 'APPROX_ANS') { last; }
       }        }
       &Apache::lonxml::debug("Area said $grade");        &Apache::lonxml::debug("Foil was $grade");
       if ($grade eq 'APPROX_ANS') { last; }        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("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.$id.submission"}="$x:$y";
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;    $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
Line 113  sub gradefoils { Line 152  sub gradefoils {
 }  }
   
 sub end_foilgroup {  sub end_foilgroup {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';    my $result='';
   my @whichopt;    my @whichopt;
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
Line 135  sub end_foilgroup { Line 174  sub end_foilgroup {
   
 sub start_conceptgroup {  sub start_conceptgroup {
   $Apache::imageresponse::conceptgroup=1;    $Apache::imageresponse::conceptgroup=1;
   %Apache::response::conceptgroup={};    %Apache::response::conceptgroup=();
   return '';    return '';
 }  }
   
 sub end_conceptgroup {  sub end_conceptgroup {
   my ($target,$token,$parstack,$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') {
     my @names = @{ $Apache::response::conceptgroup{'names'} };      if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
     my $pick=int(rand($#names+1));        my @names = @{ $Apache::response::conceptgroup{'names'} };
     my $name=$names[$pick];        my $pick=int(&Math::Random::random_uniform() * ($#names+1));
     push @{ $Apache::response::foilgroup{'names'} }, $name;        my $name=$names[$pick];
     $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};        if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {
     $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};   push @{ $Apache::response::foilgroup{'names'} }, $name;
     push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} });   $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
     my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);   $Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"};
     $Apache::response::foilgroup{"$name.concept"} = $concept;   push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$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='';  $Apache::imageresponse::curname='';
 sub start_foil {  sub start_foil {
   my ($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 $name = &Apache::lonxml::get_param('name',$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
    && !&Apache::response::showallfoils()) {
       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);
Line 174  sub start_foil { Line 218  sub start_foil {
 }  }
   
 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') { &Apache::lonxml::startredirection; }    if ($target eq 'web') { &Apache::lonxml::startredirection; }
   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;
     if ( $Apache::imageresponse::conceptgroup ) {      if ( $Apache::imageresponse::conceptgroup
          && !&Apache::response::showallfoils() ) {
       $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;        $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
     } else {      } else {
       $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;        $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
Line 198  sub end_text { Line 243  sub end_text {
 }  }
   
 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::startredirection; }    if ($target eq 'web' || $target eq 'tex') { &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)=@_;            
     my $currentstring = '';
   if ($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::showallfoils()) {
       $Apache::response::conceptgroup{"$name.image"} = $image;        $Apache::response::conceptgroup{"$name.image"} = $image;
     } else {      } else {
       $Apache::response::foilgroup{"$name.image"} = $image;        $Apache::response::foilgroup{"$name.image"} = $image;
     }      }
   }    } elsif ($target eq 'tex') {
   return '';      my $src = &Apache::lonxml::endredirection;
       $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
       my $width_param = '';
       my $height_param = '';
       my $scaling = .3;
       my $image = Image::Magick->new;
       my $current_figure = $image->Read($src);
       $width_param = $image->Get('width') * $scaling;;
       $height_param = $image->Get('height') * $scaling;;
       undef $image;
       my $epssrc = $src;
       $epssrc =~ s/(\.gif|\.jpg)$/\.eps/i;
       if (not -e $epssrc) {
    my $localfile = $epssrc;
    $localfile =~ s/.*(\/res)/$1/;
    my $file;
    my $path;
    if ($localfile =~ m!(.*)/([^/]*)$!) {
       $file = $2;
       $path = $1.'/'; 
    }
    my $signal_eps = 0;
    my @content_directory = &Apache::lonnet::dirlist($path);
    for (my $iy=0;$iy<=$#content_directory;$iy++) {
       my @tempo_array = split(/&/,$content_directory[$iy]);
       $content_directory[$iy] = $tempo_array[0];
       if ($file eq $tempo_array[0]) {
    $signal_eps = 1;
    last;
       }
    }
    if ($signal_eps) {
       my $eps_file = &Apache::lonnet::getfile($localfile);
    } else {
       $localfile = $src;
       $localfile =~ s/.*(\/res)/$1/;
       my $as = &Apache::lonnet::getfile($src);      
    }
       }
       my $file;
       my $path;
       if ($src =~ m!(.*)/([^/]*)$!) {
    $file = $2;
    $path = $1.'/'; 
       }
       my $newsrc = $src;
       $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i;
       $file=~s/(\.gif|\.jpg)$/\.eps/i;
       #do we have any specified size of the picture?
       my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); 
       my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); 
       my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval);
       if ($TeXwidth ne '') { 
    $width_param = $TeXwidth; 
       } elsif ($TeXheight ne '') { 
    $width_param = $TeXheight/$height_param*$width_param;
       } elsif ($width ne '') {
    $width_param = $width*$scaling;      
       }
       #where can we find the picture?
       if (-e $newsrc) {
    if ($path) {
       $currentstring .= '\vskip 0 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
    }
       } else {
    my $temp_file;
    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
    $temp_file = Apache::File->new('>>'.$filename); 
    print $temp_file "$src\n";
    $currentstring .= '\vskip 0 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
       }
    } 
     return $currentstring;
 }  }
   
 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' || $target eq 'grade') { &Apache::lonxml::startredirection; }    if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
   return '';    return '';
 }  }
Line 235  sub grade_rectangle { Line 354  sub grade_rectangle {
   &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 >= $x1) && ($x <= $x2) && ($y >= $y1) && ($y <= $y2)) {
       return 'APPROX_ANS';
     }
   return 'INCORRECT';    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' || $target eq 'grade') {    if ($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
    && !&Apache::response::showallfoils()) {
       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";
Removed from v.1.7  
changed lines
  Added in v.1.23

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