sub callback_readfiles
{
   my ($folder, $proc, @param) = @_;

   my $count = 0;
   my $dir = undef;
   if(opendir($dir, $folder))
   {
      while(defined(my $file = readdir($dir)))
      {
         my $filepath = "$folder/$file";

         next if $file =~ /^\.\.?$/;
         next if -d $filepath;

         $proc->($filepath, @param) if $proc;
         $count++;
      }

      closedir($dir);
   }

   return $count;
}

sub get_filename
{
   my ($file) = @_;

   $file =~ s!\\!/!g;
   my @parts = split(/\//, $file);
   return pop @parts;
}

use constant FOLDER_FOLDERIMAGES => $Vars::CONFIG{'FOLDER_SKIN'}.'/Images/Folders';
use constant FOLDER_ICONWIDTH => 20;
use constant FOLDER_ICONHEIGHT => 20;
use constant FOLDER_MAXICONCOL => 5;

use vars qw($FOLDERCOL $FOLDERROW);

$FOLDERCOL = 0;
$FOLDERROW = 0;
sub enum_foldericons_cb
{
   my ($filename, $retval) = @_;
   my %data = ();

   $data{FOLDERICONX} = FOLDER_ICONWIDTH;
   $data{FOLDERICONY} = FOLDER_ICONHEIGHT;
   $data{FOLDERICONSRC} = $filename;
   $data{FOLDERICONALT} = Global::get_filename($filename);

   $retval->[$FOLDERROW] = {} unless defined $retval->[$FOLDERROW];
   $retval->[$FOLDERROW]->{FOLDERICONS_COLS} = [] unless defined $retval->[$FOLDERROW]->{FOLDERICONS_COLS};

   push @{$retval->[$FOLDERROW]->{FOLDERICONS_COLS}}, \%data;

   $FOLDERCOL++;
   if($FOLDERCOL >= FOLDER_MAXICONCOL)
   {
      $FOLDERROW++;
      $FOLDERCOL = 0;
   }
}

sub enum_foldericons
{
   my ($obj, $tpl) = @_;
   my @loop = ();

   Global::callback_readfiles(FOLDER_FOLDERIMAGES, \&enum_foldericons_cb, \@loop);
   $tpl->param(FOLDERICONS_ROWS => \@loop);
}