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use warnings;
use strict;
package Data::ICal::Entry::Alarm::Display;
use base qw/Data::ICal::Entry::Alarm/;
=head1 NAME
Data::ICal::Entry::Alarm::Display - Represents a displayed alarm in an iCalendar file
=head1 SYNOPSIS
my $valarm = Data::ICal::Entry::Alarm::Display->new();
$valarm->add_properties(
description => "Wake up!",
# Dat*e*::ICal is not a typo here
trigger => [ Date::ICal->new( epoch => ... )->ical, { value => 'DATE-TIME' } ],
);
$vevent->add_entry($valarm);
=head1 DESCRIPTION
A L<Data::ICal::Entry::Alarm::Display> object represents a alarm that
displays a message which is attached to a todo item or event in an
iCalendar file. (Note that the iCalendar RFC refers to entries as
"components".) It is a subclass of L<Data::ICal::Entry::Alarm> and
accepts all of its methods.
=head1 METHODS
=cut
=head2 new
Creates a new L<Data::ICal::Entry::Alarm::Display> object; sets its
C<ACTION> property to C<DISPLAY>.
=cut
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
$self->add_property( action => "DISPLAY" );
return $self;
}
=head2 mandatory_unique_properties
In addition to C<action> and C<trigger> (see
L<Data::ICal::Entry::Alarm/mandatory_unique_properties>), displayed
alarms must also specify a value for C<description>.
=cut
sub mandatory_unique_properties {
return (
shift->SUPER::mandatory_unique_properties,
"description",
);
}
=head1 AUTHOR
Best Practical Solutions, LLC E<lt>modules@bestpractical.comE<gt>
=head1 LICENCE AND COPYRIGHT
Copyright (c) 2005 - 2020, Best Practical Solutions, LLC. All rights reserved.
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See L<perlartistic>.
=cut
1;
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