package EPrints::Plugin::Screen::EPMC::Manipulate_Abstract_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_Abstract_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 $repository = $self->{repository};
	
	my $filename = $repository->config( "config_path" )."/workflows/eprint/default.xml";

	# Gap for the stuff to be defined we need to add
	my $string = '
		<workflow xmlns="http://eprints.org/ep3/workflow" xmlns:epc="http://eprints.org/ep3/control">
		<stage name="core">
		<component type="Field::Multi">
		<epc:if test="type = \'article\'">
		<field ref="copyright_holders"/>
		</epc:if>
		</component>
		</stage>
		</workflow>
	';

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

	my $citation = $repository->dataset( "eprint" )->citation( "summary_page" );

        $filename = $citation->{filename};

        $string = "
        <cite:citation xmlns='http://www.w3.org/1999/xhtml' xmlns:epc='http://eprints.org/ep3/control' xmlns:cite='http://eprints.org/ep3/citation'>
        <p style='margin-bottom: 1em'>
        <div align='center'>
        <i>
        <epc:foreach expr='copyright_holders' iterator='item'>
        <epc:print expr='\$item'/><br/>
        </epc:foreach>
        </i>
        </div>
        </p>
        <epc:set operation='replace' name='docs' expr='\$item.documents()'>Hello</epc:set>
        </cite:citation>
        ";

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

	unless( $repository->expire_abstracts() )
        {
		$self->{processor}->add_message( "warning","You need to regenerate abstracts" );
        }

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

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

        my $citation = $repository->dataset( "eprint" )->citation( "summary_page" );

        $filename = $citation->{filename};

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

	unless( $repository->expire_abstracts() )
        {
		$self->{processor}->add_message( "warning","You need to regenerate abstracts" );
        }

	$self->reload_config if !$skip_reload;

}

1;