+ } elsif (ref($self->{$idx}) eq "ARRAY") {
+ for (my $i = 0; $i < scalar(@{ $self->{$idx} }); $i++) {
+ $self->{$idx}->[$i] = $self->parse_amount(\%::myconfig, $self->{$idx}->[$i]);
+ }
+ }
+ }
+
+ my $saved_numberformat = $::myconfig{numberformat};
+ $::myconfig{numberformat} = $numberformat;
+
+ foreach my $idx (@indices) {
+ if ($self->{TEMPLATE_ARRAYS} && (ref($self->{TEMPLATE_ARRAYS}->{$idx}) eq "ARRAY")) {
+ for (my $i = 0; $i < scalar(@{ $self->{TEMPLATE_ARRAYS}->{$idx} }); $i++) {
+ $self->{TEMPLATE_ARRAYS}->{$idx}->[$i] = $self->format_amount(\%::myconfig, $self->{TEMPLATE_ARRAYS}->{$idx}->[$i], $places);
+ }
+ }
+
+ next unless defined $self->{$idx};
+
+ if (!ref($self->{$idx})) {
+ $self->{$idx} = $self->format_amount(\%::myconfig, $self->{$idx}, $places);
+
+ } elsif (ref($self->{$idx}) eq "ARRAY") {
+ for (my $i = 0; $i < scalar(@{ $self->{$idx} }); $i++) {
+ $self->{$idx}->[$i] = $self->format_amount(\%::myconfig, $self->{$idx}->[$i], $places);
+ }
+ }
+ }
+
+ $::myconfig{numberformat} = $saved_numberformat;
+}
+
+sub create_email_signature {
+
+ my $client_signature = $::instance_conf->get_signature;
+ my $user_signature = $::myconfig{signature};
+
+ my $signature = '';
+ if ( $client_signature or $user_signature ) {
+ $signature = "\n\n-- \n";
+ $signature .= $user_signature . "\n" if $user_signature;
+ $signature .= $client_signature . "\n" if $client_signature;
+ };
+ return $signature;
+
+};
+
+sub layout {
+ my ($self) = @_;
+ $::lxdebug->enter_sub;
+
+ my %style_to_script_map = (
+ v3 => 'v3',
+ neu => 'new',
+ );
+
+ my $menu_script = $style_to_script_map{$::myconfig{menustyle}} || '';
+
+ package main;
+ require "bin/mozilla/menu$menu_script.pl";
+ package Form;
+ require SL::Controller::FrameHeader;
+
+
+ my $layout = SL::Controller::FrameHeader->new->action_header . ::render();
+
+ $::lxdebug->leave_sub;
+ return $layout;
+}
+
+sub calculate_tax {
+ # this function calculates the net amount and tax for the lines in ar, ap and
+ # gl and is used for update as well as post. When used with update the return
+ # value of amount isn't needed
+
+ # calculate_tax should always work with positive values, or rather as the user inputs them
+ # calculate_tax uses db/perl numberformat, i.e. parsed numbers
+ # convert to negative numbers (when necessary) only when writing to acc_trans
+ # the amount from $form for ap/ar/gl is currently always rounded to 2 decimals before it reaches here
+ # for post_transaction amount already contains exchangerate and correct sign and is rounded
+ # calculate_tax doesn't (need to) know anything about exchangerate
+
+ my ($self,$amount,$taxrate,$taxincluded,$roundplaces) = @_;
+
+ $roundplaces = 2 unless defined $roundplaces;
+
+ my $tax;
+
+ if ($taxincluded *= 1) {
+ # calculate tax (unrounded), subtract from amount, round amount and round tax
+ $tax = $amount - ($amount / ($taxrate + 1)); # equivalent to: taxrate * amount / (taxrate + 1)
+ $amount = $self->round_amount($amount - $tax, $roundplaces);
+ $tax = $self->round_amount($tax, $roundplaces);
+ } else {
+ $tax = $amount * $taxrate;
+ $tax = $self->round_amount($tax, $roundplaces);
+ }
+
+ $tax = 0 unless $tax;
+
+ return ($amount,$tax);
+};
+
+1;
+
+__END__
+
+=head1 NAME
+
+SL::Form.pm - main data object.
+
+=head1 SYNOPSIS
+
+This is the main data object of kivitendo.
+Unfortunately it also acts as a god object for certain data retrieval procedures used in the entry points.
+Points of interest for a beginner are:
+
+ - $form->error - renders a generic error in html. accepts an error message
+ - $form->get_standard_dbh - returns a database connection for the
+
+=head1 SPECIAL FUNCTIONS