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# vim: set et ts=4 sw=4:
package ManaTools::Shared::GUI::Event;
#============================================================= -*-perl-*-
=head1 NAME
ManaTools::Shared::GUI::Event - Class to manage various events
=head1 SYNOPSIS
use ManaTools::Shared::GUI::Event;
my $event = ManaTools::Shared::GUI::Event->new(
name => "Event1",
parentDialog => $dialog,
eventType => $yui::YEvent::YWidgetEvent,
widget => $widget,
backend => $backend,
event => sub {
my $self = shift;
my $yevent = shift;
my $backend = shift;
my $dialog = $self->parentDialog();
my $ydialog = $dialog->dialog();
...
return 1;
}
);
=head1 DESCRIPTION
This class wraps the most common dialog functionality
=head1 SUPPORT
You can find documentation for this module with the perldoc command:
perldoc ManaTools::Shared::GUI::Event
=head1 AUTHOR
Maarten Vanraes <alien@rmail.be>
=head1 COPYRIGHT and LICENSE
Copyright (C) 2015-2016, Maarten Vanraes.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
=head1 FUNCTIONS
=cut
use Moose;
use diagnostics;
use utf8;
with 'ManaTools::Shared::GUI::EventRole';
use yui;
#=============================================================
=head2 new
=head3 INPUT
hash ref containing
name: a name to identify it
parentDialog: the parent Dialog
eventType: a yui::YEventType
widget: an optional widget
item: an optional item
event: an optional CodeRef that returns 0 if event is
not correctly processed
backend: an optional backend to be used in the event handler
=head3 DESCRIPTION
new is inherited from Moose, to create an Event object
=cut
has 'widget' => (
is => 'ro',
isa => 'Maybe[yui::YWidget]',
default => sub {
return undef;
}
);
has 'item' => (
is => 'ro',
isa => 'Maybe[yui::YItem]',
default => sub {
return undef;
}
);
has 'event' => (
is => 'rw',
isa => 'Maybe[CodeRef]',
lazy => 1,
default => sub {
return undef;
}
);
has 'backend' => (
is => 'rw',
isa => 'Maybe[Ref]',
lazy => 1,
default => sub {
return undef;
}
);
#=============================================================
sub processEvent {
my $self = shift;
my $yevent = shift;
return -1 if ($yevent->eventType != $self->eventType);
return -1 if ($yevent->eventType == $yui::YEvent::WidgetEvent && !$self->equalsWidget($yevent->widget));
return -1 if ($yevent->eventType == $yui::YEvent::MenuEvent && !$self->equalsItem($yevent->item));
my $event = $self->event();
return $event->($self, $yevent, $self->backend()) if defined($event);
return -1;
}
sub equalsWidget {
my $self = shift;
my $widget = shift;
return ($self->widget() == $widget);
}
sub equalsItem {
my $self = shift;
my $item = shift;
return ($self->item() == $item);
}
#=============================================================
no Moose;
__PACKAGE__->meta->make_immutable;
1;
|
