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package Reaction::UI::ViewPort::GridView;
use Reaction::Class;
use aliased 'Reaction::UI::ViewPort::GridView::Row';
use aliased 'Reaction::InterfaceModel::Collection';
class GridView is 'Reaction::UI::ViewPort', which {
has exclude_columns => ( isa => 'ArrayRef', is => 'ro' );
has column_names => ( isa => 'ArrayRef', is => 'ro', lazy_build => 1);
has rows => ( isa => 'ArrayRef', is => 'ro', lazy_build => 1);
has row_args => ( isa => 'HashRef', is => 'ro');
has collection => (isa => Collection, is => 'ro', required => 1);
has current_collection => (isa => Collection, is => 'rw', lazy_build => 1);
implements build_rows => as{
my $self = shift;
my (@rows, $i);
for my $object ( $self->current_collection->members ){
my $row = Row->new
(
ctx => $self->ctx,
object => $object,
location => join('-', $self->location, 'row', ++$i),
column_order => $self->column_order, #XXX clean from ViewPort
exclude_fields => $self->exclude_columns || [],
$self->has_row_args ? %{ $self->row_args } : (),
);
push(@rows, $row);
}
return \@rows;
};
implements build_column_names => as {
my ($self) = @_;
my %excluded = map { $_ => undef }
@{ $self->has_exclude_columns ? $self->exclude_columns : [] };
#XXX this abuse of '_im_class' needs to be fixed ASAP
my $object_class = $self->collection->_im_class;
my @fields = $object_class->meta->compute_all_applicable_attributes;
#eliminate excluded fields & treat names that start with an underscore as private
@fields = grep {$_->name !~ /^_/ && !exists $excluded{$_->name} } @fields;
#eliminate fields marked as collections, or fields that are arrayrefs
@fields = grep {
!($_->has_type_constraint &&
($_->type_constraint->is_a_type_of('ArrayRef') ||
eval {$_->type_constraint->name->isa('Reaction::InterfaceModel::Collection')} ||
eval { $_->_isa_metadata->isa('Reaction::InterfaceModel::Collection') }
)
) } @fields;
#order the columns all nice and pretty, and only get fields with readers, duh
return $self->sort_by_spec
( $self->column_order, [ map { (($_->get_read_method) || ()) } @fields] );
};
implements build_current_collection => as {
shift->collection;
};
};
1;
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