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revision 1.264, Sun Apr 3 19:43:41 2005 UTC revision 1.265, Thu Apr 7 19:16:10 2005 UTC
# Line 5237  Line 5237 
5237    
5238  With one argument (the id):  With one argument (the id):
5239    
5240          Get an array of attributes for a feature. Each attribute is a tag, a value, and (optionally) a URL This method will return an array where each element is a tag, a val, and it's url.          Get an array of attributes for a feature. Each attribute is a tag, a value, and (optionally) a URL This method will return an array where each element is a reference to an array that contains the tag, a value, and it's url.
5241                  eg. my @attributes=$fig->get_attributes($peg);                  eg. my @attributes=$fig->get_attributes($peg);
5242                    foreach my $attr (@attributes) {
5243                     ($tag, $val)=@$attr;
5244                     ...
5245                    }
5246    
5247          Note that attributes are not just for pegs, hence you can get attributes for genomes:          Note that attributes are not just for pegs, hence you can get attributes for genomes:
5248                  e.g. my @attributes=$fig->get_attributes($genome)                  e.g. my @attributes=$fig->get_attributes($genome)
5249    
5250  With two arguments (the id and the tag):  With two arguments (the id and the tag):
5251    
5252          Will return the value and url for just that attribute          Will return the value and urls for just that attribute
5253                  e.g. my ($value, $url)=$fig->get_attributes($genome, 'motility');                  e.g. my @attributes=$fig->get_attributes($genome, 'motility');
5254    
5255  NOTE: If there are no attributes an empty array will be returned. You need to check for this and not assume that it will be undef.  NOTE: If there are no attributes an empty array will be returned. You need to check for this and not assume that it will be undef.
5256    
# Line 5279  Line 5283 
5283      if ($tag && ($relational_db_response = $rdbH->SQL("SELECT val,url FROM attribute WHERE ( fid = \'$fid\' and tag = \'$tag\' )")) &&      if ($tag && ($relational_db_response = $rdbH->SQL("SELECT val,url FROM attribute WHERE ( fid = \'$fid\' and tag = \'$tag\' )")) &&
5284              (@$relational_db_response > 0))              (@$relational_db_response > 0))
5285      {      {
5286          my @arr=@$relational_db_response;          #my @arr=@$relational_db_response;
5287          my $lastarray=$arr[$#arr]; # if we have several values for this tag, we just want the last one!          #my $lastarray=$arr[$#arr]; # if we have several values for this tag, we just want the last one!
5288          return @$lastarray;          #return @$lastarray;
5289          #return @$relational_db_response;          return @$relational_db_response;
5290      }      }
5291      elsif (!$tag && ($relational_db_response = $rdbH->SQL("SELECT tag,val,url FROM attribute WHERE ( fid = \'$fid\' )")) &&      elsif (!$tag && ($relational_db_response = $rdbH->SQL("SELECT tag,val,url FROM attribute WHERE ( fid = \'$fid\' )")) &&
5292              (@$relational_db_response > 0))              (@$relational_db_response > 0))
# Line 5353  Line 5357 
5357   Arguments:   Arguments:
5358          feature id, this can be a peg, genome, etc,          feature id, this can be a peg, genome, etc,
5359          tag name to delete          tag name to delete
5360    
5361     Deleted attributes are stored in global/deleted_attributes
5362    
5363  =cut  =cut
5364    
5365  sub delete_attribute {  sub delete_attribute {
5366      my($self,$peg,$k) = @_;      my($self,$peg,$k) = @_;
5367        # I wonder if we should read/write this file each time so that it is not growing exponentially.
5368        if (open(TMPATTR,">>$FIG_Config::global/deleted_attributes"))
5369        {
5370            print TMPATTR "$peg\t$k\n";
5371            close(TMPATTR);
5372        }
5373      return $self->change_attribute($peg, $k, undef, undef, undef);      return $self->change_attribute($peg, $k, undef, undef, undef);
5374  }  }
5375    
# Line 5379  Line 5392 
5392    
5393  sub change_attribute {  sub change_attribute {
5394      my($self,$peg,$k,$v, $url, $file) = @_;      my($self,$peg,$k,$v, $url, $file) = @_;
5395      unless ($file) {$file="assigned_attributes"}      if ($v && !$file) {$file="assigned_attributes"} # only use assigned_attributes for changed values, not deleted values
5396      return (0) unless ($peg && $k); # we must have at least a peg and a key.      return (0) unless ($peg && $k); # we must have at least a peg and a key.
5397      $k =~ s/^\s+//; $k =~ s/\s+$//; $k=uc($k);      $k =~ s/^\s+//; $k =~ s/\s+$//; $k=uc($k);
5398      my $rdbH = $self->db_handle;      my $rdbH = $self->db_handle;
# Line 5388  Line 5401 
5401       # now we can use this to delete things too       # now we can use this to delete things too
5402       $rdbH->SQL("INSERT INTO attribute ( fid,tag,val,url ) VALUES ( '$peg','$k','$v', '$url')");       $rdbH->SQL("INSERT INTO attribute ( fid,tag,val,url ) VALUES ( '$peg','$k','$v', '$url')");
5403      }      }
5404        if ($file) {
5405      my $location=$self->attribute_location($peg);      my $location=$self->attribute_location($peg);
5406      &verify_dir("$location");      &verify_dir("$location");
5407      if (open(TMPATTR,">>$location/$file"))      if (open(TMPATTR,">>$location/$file"))
# Line 5395  Line 5409 
5409          print TMPATTR "$peg\t$k\t$v\t$url\n";          print TMPATTR "$peg\t$k\t$v\t$url\n";
5410          close(TMPATTR);          close(TMPATTR);
5411      }      }
5412        }
5413      return 1;      return 1;
5414  }  }
5415    
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