File Coverage

blib/lib/Mojolicious/Plugin/SemanticUIPageNavigator.pm

Criterion	Covered	Total	%
statement	56	56	100.0
branch	16	22	72.7
condition	10	14	71.4
subroutine	7	7	100.0
pod	1	1	100.0
total	90	100	90.0

package Mojolicious::Plugin::SemanticUIPageNavigator;
use Mojo::Base 'Mojolicious::Plugin';
use POSIX( qw/ceil/ );
use Mojo::DOM;
use Mojo::ByteStream 'b';
use Modern::Perl;

our $VERSION = 0.01;
# ABSTRACT: Mojolicious::Plugin::SemanticUIPageNavigator


sub register{
  my ($self, $app, $args) = @_;
  $args ||={};

  $app->helper( page_navigator => sub{
    my ( $self, $actual, $count, $opts ) = @_;
    $count = ceil($count);
    return "" unless $count > 1;
    $opts = {} unless $opts;
    my $round = $opts->{round} || 3;
    my $param = $opts->{param} || 'p';
    my $outer = $opts->{outer} || 2;
    my @current = ($actual - $round .. $actual + $round );
    my @first = ( $round > $actual ? (1 .. $round * 3) : (1..$outer) );
    my @tail = ( $count - $round < $actual
      ? ($count - $round * 2 + 1 .. $count)
      : ($count - $outer + 1 .. $count)
    );
    my @ret = ();
    my $last = undef;
    foreach my $number( sort { $a <=> $b} @current, @first, @tail ){
      next if $last && $last == $number;
      next if $number <= 0 ;
      last if $number > $count;
      push @ret, ".." if( $last && $last + 1 != $number );
      push @ret, $number;
      $last = $number;
    }
    my $dom = Mojo::DOM->new('');
    $dom->at('#pagination_outer')->attr({style => "margin: 10px auto; text-align: center"});
    $dom->at('#pagination_inner')->append_content('首页上一页');
    $dom->at('#pagination_inner')->attr({class => 'ui pagination menu'});
    $dom->at("#semantic_pagination_1")->attr( {class => 'item', href => $self->url_for->clone->query($param => 1)} );
    $dom->at("#semantic_pagination_2")->attr( {class => 'item', href => $self->url_for->clone->query($param => $actual - 1)} );
    for my $number ( @ret ){
      if( $number eq '..'){
        $dom->at('#pagination_inner')->append_content('..');
        $dom->at("#se-pa-a")->attr( {class => 'item'} );
      }else {
        my $myid = "se-pa-a$number";
        $dom->at("#pagination_inner")->append_content("$number");
        my $class = $number eq $actual ? 'active teal item' : 'item';
        $dom->at("#$myid")->attr( {class => $class, href => $self->url_for->clone->query($param => $number) } );
      }
    }
    $dom->at('#pagination_inner')->append_content('下一页末页');
    $dom->at("#last1")->attr( {class => 'item', href => $self->url_for->clone->query($param => $actual + 1 > $count ? $count : $actual + 1 ) } );
    $dom->at("#last2")->attr( {class => 'item', href => $self->url_for->clone->query($param => $count)} );
    return b($dom);
  });
}

1;

__END__