package EPrints::Plugin::Screen::EPMC::Manipulate_Workflow_Ex;

@ISA = ( 'EPrints::Plugin::Screen::EPMC' );

use strict;
# Make the plug-in
sub new
{
	my( $class, %params ) = @_;

	my $self = $class->SUPER::new( %params );

	$self->{actions} = [qw( enable disable )];
	$self->{disable} = 0; # always enabled, even in lib/plugins
	
	$self->{package_name} = "Manipulate_Workflow_Ex";

	return $self;
}

=item $screen->action_enable( [ SKIP_RELOAD ] )

Enable the L<EPrints::DataObj::EPM> for the current repository.

If SKIP_RELOAD is true will not reload the repository configuration.

=cut

sub action_enable
{
	my( $self, $skip_reload ) = @_;
	
	$self->SUPER::action_enable( $skip_reload );

	my $repo = $self->{repository};
	
	my $filename = $repo->config( "config_path" )."/workflows/eprint/default.xml";

	# Gap for the stuff to be defined we need to add
	my $xml = '
	<workflow xmlns="http://eprints.org/ep3/workflow" xmlns:epc="http://eprints.org/ep3/control">
        <flow>
        <stage ref="divisions"/>
        </flow>
        <stage name="divisions">
        <component type="Field::Subject">
        <field ref="divisions" required="yes" />
        </component>
        </stage>
        <stage name="core">
        <component type="Field::Multi">
        <epc:if test="type = \'book\'">
        <field ref="pres_type"/>
        </epc:if>
        </component>
        </stage>
        <stage name="map_stage">
                <component type="Field::Multi">
                        <title>Publisher Details</title>
                        <field ref="place_of_pub" />
                        <field ref="publisher" required="yes" />
                        <field ref="date" />
                        <field ref="date_type" />
                </component>
                <component>
                        <field ref="id_number" />
                </component>
                <component>
                        <field ref="official_url"/>
                </component>      
        </stage>
	</workflow>
	';

	EPrints::XML::add_to_xml( $filename, $xml, $self->{package_name} );

	#our matching types 
	my @types = ( "map" );

	#the stages
	my @stages = ( "map_stage" );

	EPrints::Workflow::add_workflow_flow( $repo, $filename, $self->{package_name}, \@types, \@stages );
	
	my $namedset = EPrints::NamedSet->new( "eprint",repository => $repo );
        # Add a new option (string type, offset) 
        $namedset->add_option( "map", $self->{package_name} );

	$self->reload_config if !$skip_reload;
}

=item $screen->action_disable( [ SKIP_RELOAD ] )

Disable the L<EPrints::DataObj::EPM> for the current repository.

If SKIP_RELOAD is true will not reload the repository configuration.

=cut

sub action_disable
{
	my( $self, $skip_reload ) = @_;

	$self->SUPER::action_disable( $skip_reload );
	my $repo = $self->{repository};

	my $filename = $repo->config( "config_path" )."/workflows/eprint/default.xml";
	 
	EPrints::XML::remove_package_from_xml( $filename, $self->{package_name} );

	my $namedset = EPrints::NamedSet->new( "eprint",repository => $repo );

	$namedset->remove_option( "map", $self->{package_name} );
	
	$self->reload_config if !$skip_reload;

}

1;