lib/Frey/Pager.pm

package Frey::Pager;
use Moose;
use MooseX::AttributeHelpers;

use Data::Page;
use Data::Dump qw/dump/;

has 'pager' => (
        is => 'rw',
        isa => 'Data::Page',
        default => sub { Data::Page->new },
);

has 'fey_class' => (
        is => 'rw',
        isa => 'Str',
        required => 1,
);

has 'item_constructor' => (
        is => 'rw',
        isa => 'CodeRef',
        required => 1,
);

has 'items' => (
        metaclass => 'Collection::Array',
        is => 'rw',
        isa => 'ArrayRef[Frey::Web::Item]',
        default => sub { [] },
        provides => {
                'push' => 'add_item',
        },
);

sub last_item {
        my $self = shift;
        warn "## last_item = ",
        my $last = $#{ $self->items };
        $self->update_collection if $last < 0;
        $self->items->[ $#{ $self->items } ];
}

=head2 update_collection

  $o->update_collection;

=cut

sub update_collection {
        my ( $self ) = @_;

        return if $#{ $self->items } >= 0;

        warn "## update_collection from iterator";

        my $i = $self->fey_class->collection( $self->pager );
        while ( my $u = $i->next ) {
                $self->add_item(
                        $self->item_constructor->(
                                fey => $u,
                        )
                );
        }
}

=head2 items_in_layout

  my $html = $o->items_in_layout( $f );

=cut

sub items_in_layout {
        my ( $self, $f ) = @_;

        my $layout = delete( $f->{layout} );

        # FIXME somehow, this seem cludgy
        if ( $f->{page} ) {
                $self->pager->current_page( $f->{page} );
                $self->items( [] );
                $self->update_collection;
        }

        my $html = join('', map {
                $_->layout( $layout ) if $layout;
                $_->process($f) || ''
        } @{ $self->items } );

        return $html;
}

=head2 render_pager

  my $html = $o->render_pager;

=cut

sub render_pager {
        my $self = shift;

        my $pager = $self->pager;

        return join( ' ',
                        qq|<div class="notice">|,
                        'Showing',
                        $pager->first, '-', $pager->last,
                        'of',
                        $pager->total_entries,
                        'results<br>',
#                       'page', $pager->current_page, '/', $pager->last_page,
                        Frey::Web::Links->new(
                                name => 'page',
                                current => $pager->current_page,
                                values => [ $pager->first_page .. $pager->last_page ],
                        )->links,
                        qq|</div>|
                );
}

1;
1	dpavlin	143	package Frey::Pager;
2			use Moose;
3			use MooseX::AttributeHelpers;
4
5			use Data::Page;
6			use Data::Dump qw/dump/;
7
8			has 'pager' => (
9			is => 'rw',
10			isa => 'Data::Page',
11			default => sub { Data::Page->new },
12			);
13
14			has 'fey_class' => (
15			is => 'rw',
16			isa => 'Str',
17			required => 1,
18			);
19
20			has 'item_constructor' => (
21			is => 'rw',
22			isa => 'CodeRef',
23			required => 1,
24			);
25
26			has 'items' => (
27			metaclass => 'Collection::Array',
28			is => 'rw',
29			isa => 'ArrayRef[Frey::Web::Item]',
30			default => sub { [] },
31			provides => {
32			'push' => 'add_item',
33			},
34			);
35
36			sub last_item {
37			my $self = shift;
38			warn "## last_item = ",
39			my $last = $#{ $self->items };
40			$self->update_collection if $last < 0;
41			$self->items->[ $#{ $self->items } ];
42			}
43
44			=head2 update_collection
45
46			$o->update_collection;
47
48			=cut
49
50			sub update_collection {
51			my ( $self ) = @_;
52
53			return if $#{ $self->items } >= 0;
54
55			warn "## update_collection from iterator";
56
57			my $i = $self->fey_class->collection( $self->pager );
58			while ( my $u = $i->next ) {
59			$self->add_item(
60			$self->item_constructor->(
61			fey => $u,
62			)
63			);
64			}
65			}
66
67			=head2 items_in_layout
68
69			my $html = $o->items_in_layout( $f );
70
71			=cut
72
73			sub items_in_layout {
74			my ( $self, $f ) = @_;
75
76			my $layout = delete( $f->{layout} );
77
78			# FIXME somehow, this seem cludgy
79			if ( $f->{page} ) {
80			$self->pager->current_page( $f->{page} );
81			$self->items( [] );
82			$self->update_collection;
83			}
84
85			my $html = join('', map {
86			$_->layout( $layout ) if $layout;
87			$_->process($f) \|\| ''
88			} @{ $self->items } );
89
90			return $html;
91			}
92
93			=head2 render_pager
94
95			my $html = $o->render_pager;
96
97			=cut
98
99			sub render_pager {
100			my $self = shift;
101
102			my $pager = $self->pager;
103
104			return join( ' ',
105			qq\|<div class="notice">\|,
106			'Showing',
107			$pager->first, '-', $pager->last,
108			'of',
109			$pager->total_entries,
110			'results<br>',
111			# 'page', $pager->current_page, '/', $pager->last_page,
112			Frey::Web::Links->new(
113			name => 'page',
114			current => $pager->current_page,
115			values => [ $pager->first_page .. $pager->last_page ],
116			)->links,
117			qq\|</div>\|
118			);
119			}
120
121			1;