'variable_list' => '',
};
+ $self->{data_present} = 0;
+
$self->set_options(@_) if (@_);
return bless $self, $type;
$self->{form}->error('Incorrect usage -- expecting hash or array ref');
}
+ my @columns_with_default_alignment = grep { defined $self->{columns}->{$_}->{align} } keys %{ $self->{columns} };
+
foreach my $row (@{ $row_set }) {
+ foreach my $column (@columns_with_default_alignment) {
+ $row->{$column} ||= { };
+ $row->{$column}->{align} = $self->{columns}->{$column}->{align} unless (defined $row->{$column}->{align});
+ }
+
foreach my $field (qw(data link)) {
map { $row->{$_}->{$field} = [ $row->{$_}->{$field} ] if (ref $row->{$_}->{$field} ne 'ARRAY') } keys %{ $row };
}
push @{ $self->{data} }, $row_set;
$last_row_set = $row_set;
+
+ $self->{data_present} = 1;
}
return $last_row_set;
sub clear_data {
my $self = shift;
- $self->{data} = [];
+ $self->{data} = [];
+ $self->{data_present} = 0;
}
sub set_options {
'RAW_BOTTOM_INFO_TEXT' => $opts->{raw_bottom_info_text},
'ALLOW_PDF_EXPORT' => $allow_pdf_export,
'ALLOW_CSV_EXPORT' => $opts->{allow_csv_export},
- 'SHOW_EXPORT_BUTTONS' => $allow_pdf_export || $opts->{allow_csv_export},
+ 'SHOW_EXPORT_BUTTONS' => ($allow_pdf_export || $opts->{allow_csv_export}) && $self->{data_present},
'COLUMN_HEADERS' => \@column_headers,
'NUM_COLUMNS' => scalar @column_headers,
'ROWS' => \@rows,
'EXPORT_VARIABLES' => \@export_variables,
'EXPORT_VARIABLE_LIST' => $self->{export}->{variable_list},
'EXPORT_NEXTSUB' => $self->{export}->{nextsub},
+ 'DATA_PRESENT' => $self->{data_present},
};
return $variables;