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package Reaction::UI::ViewPort::GridView;
use Reaction::Class;
use aliased 'Reaction::UI::ViewPort::DisplayField::Text';
use aliased 'Reaction::UI::ViewPort::DisplayField::Number';
use aliased 'Reaction::UI::ViewPort::DisplayField::Boolean';
use aliased 'Reaction::UI::ViewPort::DisplayField::String';
use aliased 'Reaction::UI::ViewPort::DisplayField::DateTime';
use aliased 'Reaction::UI::ViewPort::DisplayField::RelatedObject';
use aliased 'Reaction::InterfaceModel::Collection' => 'IM_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 => IM_Collection, is => 'ro', required => 1);
has current_collection => (isa => IM_Collection, is => 'rw', lazy_build => 1);
has ordered_columns => (is => 'ro', isa => 'ArrayRef', lazy_build => 1);
implements build_ordered_columns => 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->parameter_attributes;
#obviously only get fields with readers.
@fields = grep { $_->get_read_method } @fields;
#eliminate excluded fields & treat names that start with an underscore as private
@fields = grep {$_->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
my $ordered = $self->sort_by_spec
( $self->column_order, [ map { (($_->name) || ()) } @fields] );
return $ordered;
};
implements build_current_collection => as {
shift->collection;
};
implements build_column_names => as {
my $self = shift;
[ map{ join(' ', map{ ucfirst } split('_', $_)) } @{$self->ordered_columns} ];
}
implements build_rows => as {
my ($self) = @_;
my @columns = @{ $self->ordered_columns };
my (@rows, $i);
my $builders = {};
for my $obj ( $self->current_collection->members ) {
$i++;
my @cells;
for my $col (@columns) {
my $attr = $obj->meta->find_attribute_by_name($col);
my $build_meth = $builders->{$col} ||= $self->build_fields_for($attr);
my $loc = join('-', $self->location, 'row', $i, 'field', $attr->name);
my $args = {Field => { $attr->name => {location => $loc} } };
my $cell = $self->$build_meth($obj, $attr, $args);
push(@cells, $cell) if $cell;
}
push(@rows,\@cells)
}
return \@rows;
};
implements build_fields_for => as {
my ($self, $attr) = @_;
my $attr_name = $attr->name;
my $builder = "build_fields_for_name_${attr_name}";
return $builder if $self->can($builder);
if ($attr->has_type_constraint) {
my $constraint = $attr->type_constraint;
my $base_name = $constraint->name;
my $tried_isa = 0;
CONSTRAINT: while (defined($constraint)) {
my $name = $constraint->name;
if (eval { $name->can('meta') } && !$tried_isa++) {
foreach my $class ($name->meta->class_precedence_list) {
my $mangled_name = $class;
$mangled_name =~ s/:+/_/g;
my $builder = "build_fields_for_type_${mangled_name}";
return $builder if $self->can($builder);
}
}
if (defined($name)) {
unless (defined($base_name)) {
$base_name = "(anon subtype of ${name})";
}
my $mangled_name = $name;
$mangled_name =~ s/:+/_/g;
my $builder = "build_fields_for_type_${mangled_name}";
return $builder if $self->can($builder);
}
$constraint = $constraint->parent;
}
if (!defined($constraint)) {
confess "Can't build field ${attr_name} of type ${base_name} without $builder method or build_fields_for_type_<type> method for type or any supertype";
}
} else {
confess "Can't build field ${attr} without $builder method or type constraint";
}
};
implements build_simple_field => as {
my ($self, $class, $obj, $attr, $args) = @_;
my $attr_name = $attr->name;
my %extra;
if (my $config = $args->{Field}{$attr_name}) {
%extra = %$config;
}
return $class->new(
object => $obj,
attribute => $attr,
name => $attr->name,
ctx => $self->ctx,
%extra
);
};
implements build_fields_for_type_Num => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/number'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(Number, $obj, $attr, $args);
};
implements build_fields_for_type_Int => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/number'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(Number, $obj, $attr, $args);
};
implements build_fields_for_type_Bool => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/boolean'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(Boolean, $obj, $attr, $args);
};
implements build_fields_for_type_Password => as { return };
implements build_fields_for_type_Str => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/string'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(String, $obj, $attr, $args);
};
implements build_fields_for_type_SimpleStr => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/string'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(String, $obj, $attr, $args);
};
implements build_fields_for_type_DateTime => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/date_time'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(DateTime, $obj, $attr, $args);
};
implements build_fields_for_type_Enum => as {
my ($self, $obj, $attr, $args) = @_;
$args->{Field}{$attr->name}{layout} = 'value/string'
unless( exists $args->{Field}{$attr->name} &&
exists $args->{Field}{$attr->name}{layout} &&
defined $args->{Field}{$attr->name}{layout}
);
return $self->build_simple_field(String, $obj, $attr, $args);
};
};
1;
|
