1 |
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 |
has 'range_around' => ( |
37 |
is => 'rw', |
38 |
isa => 'Int', |
39 |
default => 10, |
40 |
); |
41 |
|
42 |
sub first_item { |
43 |
my $self = shift; |
44 |
$self->items->[0]; |
45 |
} |
46 |
|
47 |
sub last_item { |
48 |
my $self = shift; |
49 |
my $last = $#{ $self->items }; |
50 |
$self->update_collection if $last < 0; |
51 |
$self->items->[ $#{ $self->items } ]; |
52 |
} |
53 |
|
54 |
=head2 update_collection |
55 |
|
56 |
$o->update_collection; |
57 |
|
58 |
=cut |
59 |
|
60 |
sub update_collection { |
61 |
my ( $self ) = @_; |
62 |
|
63 |
return if $#{ $self->items } >= 0; |
64 |
|
65 |
warn "## update_collection from iterator"; |
66 |
|
67 |
if ( ! $self->fey_class->can('collection') ) { |
68 |
warn "ERROR: ", $self->fey_class, " can't do collection"; |
69 |
return; |
70 |
} |
71 |
|
72 |
my $i = $self->fey_class->collection( $self->pager ); |
73 |
while ( my $u = $i->next ) { |
74 |
$self->add_item( |
75 |
$self->item_constructor->( |
76 |
fey => $u, |
77 |
) |
78 |
); |
79 |
} |
80 |
} |
81 |
|
82 |
=head2 items_in_layout |
83 |
|
84 |
my $html = $o->items_in_layout( $f ); |
85 |
|
86 |
=cut |
87 |
|
88 |
sub items_in_layout { |
89 |
my ( $self, $f ) = @_; |
90 |
|
91 |
my $layout = delete( $f->{layout} ); |
92 |
|
93 |
# FIXME somehow, this seem cludgy |
94 |
if ( $f->{page} ) { |
95 |
$self->pager->current_page( $f->{page} ); |
96 |
$self->items( [] ); |
97 |
$self->update_collection; |
98 |
} |
99 |
|
100 |
my $html = join('', map { |
101 |
$_->layout( $layout ) if $layout; |
102 |
$_->process($f) || '' |
103 |
} @{ $self->items } ); |
104 |
|
105 |
return $html; |
106 |
} |
107 |
|
108 |
=head2 render_pager |
109 |
|
110 |
my $html = $o->render_pager; |
111 |
|
112 |
=cut |
113 |
|
114 |
sub render_pager { |
115 |
my $self = shift; |
116 |
|
117 |
my $pager = $self->pager; |
118 |
|
119 |
my @show_pages; |
120 |
my $after_current = 0; |
121 |
|
122 |
if ( $pager->current_page <= $self->range_around + 2 ) { |
123 |
@show_pages = ( $pager->first_page .. $pager->current_page ); |
124 |
$after_current = $self->range_around - $pager->current_page; |
125 |
} else { |
126 |
@show_pages = ( $pager->first_page, '', $pager->current_page - $self->range_around .. $pager->current_page ); |
127 |
} |
128 |
|
129 |
if ( $pager->current_page + $self->range_around + 1 >= $pager->last_page ) { |
130 |
push @show_pages, ( $pager->current_page + 1 .. $pager->last_page ); |
131 |
} else { |
132 |
push @show_pages, ( $pager->current_page + 1 .. $pager->current_page + $after_current + $self->range_around, '', $pager->last_page ); |
133 |
} |
134 |
|
135 |
warn "## show_pages = ",dump( @show_pages ); |
136 |
|
137 |
return join( ' ', |
138 |
qq|<div class="notice">|, |
139 |
'Showing', |
140 |
$pager->first, '-', $pager->last, |
141 |
'of', |
142 |
$pager->total_entries, |
143 |
'results<br>', |
144 |
# 'page', $pager->current_page, '/', $pager->last_page, |
145 |
Frey::Web::Links->new( |
146 |
name => 'page', |
147 |
current => $pager->current_page, |
148 |
values => \@show_pages, |
149 |
empty => '...', |
150 |
current_tag => 'b', |
151 |
)->links, |
152 |
qq|</div>| |
153 |
); |
154 |
} |
155 |
|
156 |
1; |