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Foodloop-Server/lib/Pear/LocalLoop/Plugin/BootstrapPagination.pm

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2017-07-25 14:44:16 +00:00
package Pear::LocalLoop::Plugin::BootstrapPagination;
# nabbed from Mojolicious::Plugin::BootstrapPagination -
# https://github.com/csroli/Mojolicious-Plugin-BootstrapPagination
use Mojo::Base 'Mojolicious::Plugin';
use POSIX( qw/ceil/ );
use Mojo::ByteStream 'b';
use strict;
use warnings;
our $VERSION = "0.14";
# Homer: Well basically, I just copied the plant we have now.
# Then, I added some fins to lower wind resistance.
# And this racing stripe here I feel is pretty sharp.
# Burns: Agreed. First prize!
sub register{
my ( $self, $app, $args ) = @_;
$args ||= {};
$app->helper( bootstrap_pagination => sub{
my ( $self, $actual, $count, $opts ) = @_;
my %bs4classes = (list_class => "page-item", anchor_class => "page-link");
my $localize = ( $opts->{localize} || $args->{localize} ) ?
( $opts->{localize} || $args->{localize} ) : undef;
$count = ceil($count);
return "" unless $count > 1;
$opts = {} unless $opts;
my $round = $opts->{round} || $args->{round} || 4;
my $param = $opts->{param} || $args->{param} || "page";
my $class = $opts->{class} || $args->{class} || "";
my $bs4 = $opts->{bootstrap4} || $args->{bootstrap4} || undef;
if ($class ne ""){
$class = " " . $class;
}
my $outer = $opts->{outer} || $args->{outer} || 2;
my $query = exists $opts->{query} ? $opts->{query} : $args->{query} || "";
my $start = $opts->{start} // $args->{start} // 1;
my @current = ( $actual - $round .. $actual + $round );
my @first = ($start.. $start + $outer - 1);
my @tail = ( $count - $outer + 1 .. $count );
my @ret = ();
my $last = undef;
foreach my $number( sort { $a <=> $b } @current, @first, @tail ){
next if ( $last && $last == $number && $start > 0 ) || ( defined $last && $last == $number && $start == 0 );
next if ( $number <= 0 && $start > 0) || ( $number < 0 && $start == 0 );
last if ( $number > $count && $start > 0 ) || ( $number >= $count && $start == 0 );
push @ret, ".." if( $last && $last + 1 != $number );
push @ret, $number;
$last = $number;
}
my $html = "<ul class=\"pagination$class\">";
if( $actual == $start ){
$html .= "<li class=\"disabled".($bs4?" ".$bs4classes{list_class}:"")."\"><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"#\" >&laquo;</a></li>";
} else {
$html .= "<li".($bs4?" class=\"".$bs4classes{list_class}."\"":"")."><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $actual - 1] ) . $query . "\" >&laquo;</a></li>";
}
my $last_num = -1;
foreach my $number( @ret ){
my $show_number = $start > 0 ? $number : ( $number =~ /\d+/ ? $number + 1 : $number );
if ( $localize ) {
$show_number = $localize->($self, $show_number);
}
if( $number eq ".." && $last_num < $actual ){
my $offset = ceil( ( $actual - $round ) / 2 ) + 1 ;
$html .= "<li".($bs4?" class=\"".$bs4classes{list_class}."\"":"")."><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $start == 0 ? $offset + 1 : $offset] ) . $query ."\" >&hellip;</a></li>";
}
elsif( $number eq ".." && $last_num > $actual ) {
my $back = $count - $outer + 1;
my $forw = $round + $actual;
my $offset = ceil( ( ( $back - $forw ) / 2 ) + $forw );
$html .= "<li".($bs4?" class=\"".$bs4classes{list_class}."\"":"")."><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $start == 0 ? $offset + 1 : $offset] ) . $query ."\" >&hellip;</a></li>";
} elsif( $number == $actual ) {
$html .= "<li class=\"active".($bs4?" ".$bs4classes{list_class}:"")."\"><span".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"").">$show_number</span></li>";
} else {
$html .= "<li".($bs4?" class=\"".$bs4classes{list_class}."\"":"")."><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $number] ) . $query ."\">$show_number</a></li>";
}
$last_num = $number;
}
if( $actual == $count ){
$html .= "<li class=\"disabled".($bs4?" ".$bs4classes{list_class}:"")."\"><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $actual + 1] ) . $query . "\" >&raquo;</a></li>";
} else {
$html .= "<li".($bs4?" class=\"".$bs4classes{list_class}."\"":"")."><a".($bs4?" class=\"".$bs4classes{anchor_class}."\"":"")." href=\"" . $self->url_with->query( [$param => $actual + 1] ) . $query . "\" >&raquo;</a></li>";
}
$html .= "</ul>";
return b( $html );
} );
}
1;
__END__
=encoding utf-8
=head1 NAME
Mojolicious::Plugin::BootstrapPagination - Page Navigator plugin for Mojolicious
This module has derived from L<Mojolicious::Plugin::PageNavigator>
=head1 SYNOPSIS
# Mojolicious::Lite
plugin 'bootstrap_pagination'
# Mojolicious
$self->plugin( 'bootstrap_pagination' );
=head1 DESCRIPTION
L<Mojolicious::Plugin::BootstrapPagination> generates standard page navigation bar, like
<< 1 2 ... 11 12 13 14 15 ... 85 86 >>
=head1 HELPERS
=head2 bootstrap_pagination
%= bootstrap_pagination( $current_page, $total_pages, $opts );
=head3 Options
Options is a optional ref hash.
%= bootstrap_pagination( $current_page, $total_pages, {
round => 4,
outer => 2,
query => "&id=$id",
start => 1,
class => 'pagination-lg',
param => 'page' } );
=over 1
=item round
Number of pages around the current page. Default: 4.
=item outer
Number of outer window pages (first and last pages). Default 2.
=item param
Name of param for query url. Default: 'page'
=item query
Additional query string to url. Optional.
=item start
Start number for query string. Default: 1. Optional.
=back
=head1 INTERNATIONALIZATION
If you want to use internationalization (I18N), you can pass a code reference via I<localize>.
plugin 'bootstrap_pagination' => {
localize => \&localize,
};
sub localize {
my ($number) = @_;
my %trans = (
1 => 'one',
2 => 'two',
6 => 'six',
7 => 'seven',
8 => 'eight',
9 => 'nine',
10 => 'ten',
11 => 'eleven',
12 => 'twelve',
13 => 'thirteen',
14 => 'fourteen',
15 => 'fifteen',
);
return $trans{$number};
}
This will print the words instead of the numbers.
=head1 SEE ALSO
L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicio.us>,L<Mojolicious::Plugin::PageNavigator>.
=head1 Repository
https://github.com/dokechin/Mojolicious-Plugin-BootstrapPagination
=head1 LICENSE
Copyright (C) dokechin.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 AUTHOR
dokechin E<lt>E<gt>
=head1 CONTRIBUTORS
Andrey Chips Kuzmin <chipsoid@cpan.org>
=cut