% if (not defined param('want_msg')) {
% param(want_msg => 1);
% }
%= form_for bar => begin
% my %xargs = %{$self->barplot_args->{x}};
% my @xarg_keys = sort keys %xargs;
%= select_field xsource => [map {[$xargs{$_}->{desc}, $_]} @xarg_keys]
%= text_field 'width' => 960, class => 'dimension'
%= text_field 'height' => 500, class => 'dimension'
%= include 'filterform';
% end