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# Copyright (c) 2009, 2010 Oleksandr Tymoshenko <gonzo@bluezbox.com> |
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# All rights reserved. |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions |
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# are met: |
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# 1. Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# 2. Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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# SUCH DAMAGE. |
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package EBook::EPUB::NCX::NavPoint; |
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use Moose; |
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has [qw/label id content class/] => ( isa => 'Str', is => 'rw' ); |
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has play_order => ( isa => 'Int', is => 'rw' ); |
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has navpoints => ( |
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traits => ['Array'], |
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is => 'ro', |
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isa => 'ArrayRef[Object]', |
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default => sub { [] }, |
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handles => { |
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all_navpoints => 'elements', |
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}, |
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); |
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sub encode |
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{ |
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my ($self, $writer) = @_; |
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my @args = ( |
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id => $self->id, |
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playOrder => $self->play_order); |
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if (defined($self->class)) { |
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push @args, 'class', $self->class; |
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} |
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$writer->startTag('navPoint', @args); |
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$writer->startTag('navLabel'); |
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$writer->dataElement('text', $self->label); |
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$writer->endTag('navLabel'); |
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$writer->emptyTag('content', |
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src => $self->content, |
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); |
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# subpoints |
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foreach my $point (@{$self->navpoints}) { |
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$point->encode($writer); |
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} |
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$writer->endTag('navPoint'); |
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} |
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sub add_navpoint |
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{ |
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my ($self, @args) = @_; |
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my $subpoint = EBook::EPUB::NCX::NavPoint->new(@args); |
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push @{$self->navpoints}, $subpoint; |
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return $subpoint; |
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} |
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no Moose; |
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__PACKAGE__->meta->make_immutable; |
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1; |
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__END__ |
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=head1 NAME |
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EBook::EPUB::NCX::NavPoint |
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=head1 SYNOPSIS |
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Entry in Navigation Center that refers to part of a document (e.g. chapter) |
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=head1 SUBROUTINES/METHODS |
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=over 4 |
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=item new(%opts) |
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%opts is an anonymous hash that might containe followig keys: |
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class |
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content |
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id |
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play_order |
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label |
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=item add_navpoint(%opts) |
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Add refrence to an OPS Content Document that is a part of publication, |
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subsection of the part current object references to. %opts is an anonymous |
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hash, for possible key values see new() method description. Method returns |
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created EBook::EPUB::NCX::NavPoint object that could be used later for adding |
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subsections. |
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=item all_navpoints() |
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Returns array of EBook::EPUB::NCX::NavPoint objects, subsections of current one |
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=item encode($xmlwriter) |
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Encode object to XML form using XML::Writer instance |
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=item class([$class]) |
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Get/set class of navigation point |
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=item content([$content]) |
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Get/set URI to the part navPoint references to |
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=item id([$id]) |
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Get/set ID of navigation point |
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=item label([$label]) |
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Get/set human readable description of part navPoint references to |
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=item play_order([$play_order]) |
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Get/set play order (number) of text part. |
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=back |
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=head1 AUTHOR |
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Oleksandr Tymoshenko, E<lt>gonzo@bluezbox.comE<gt> |
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=head1 BUGS |
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Please report any bugs or feature requests to E<lt>gonzo@bluezbox.comE<gt> |
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=head1 LICENSE AND COPYRIGHT |
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Copyright 2009, 2010 Oleksandr Tymoshenko. |
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L<http://bluezbox.com> |
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This module is free software; you can redistribute it and/or |
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modify it under the terms of the BSD license. See the F<LICENSE> file |
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included with this distribution. |
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