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