###################################################################### # # EPrints::MetaField::Itemref; # ###################################################################### # # This file is part of GNU EPrints 2. # # Copyright (c) 2000-2004 University of Southampton, UK. SO17 1BJ. # # EPrints 2 is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # EPrints 2 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 EPrints 2; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # ###################################################################### =pod =head1 NAME B<EPrints::MetaField::Itemref> - Reference to an object with an "int" type of ID field. =head1 DESCRIPTION not done =over 4 =cut package EPrints::MetaField::Itemref; use strict; use warnings; BEGIN { our( @ISA ); @ISA = qw( EPrints::MetaField::Int ); } use EPrints::MetaField::Int; sub get_property_defaults { my( $self ) = @_; my %defaults = $self->SUPER::get_property_defaults; $defaults{datasetid} = $EPrints::MetaField::REQUIRED; $defaults{text_index} = 0; return %defaults; } sub get_basic_input_elements { my( $self, $session, $value, $basename, $staff ) = @_; my $ex = $self->SUPER::get_basic_input_elements( $session, $value, $basename, $staff ); my $desc = $self->render_single_value( $session, $value ); push @{$ex->[0]}, {el=>$desc, style=>"padding: 0 0.5em 0 0.5em;"}; return $ex; } sub render_single_value { my( $self, $session, $value ) = @_; if( !defined $value ) { return $session->make_doc_fragment; } my $object = $self->get_item( $session, $value ); if( defined $object ) { return $object->render_citation_link; } my $ds = $session->get_repository->get_dataset( $self->get_property('datasetid') ); return $session->html_phrase( "lib/metafield/itemref:not_found", id=>$session->make_text($value), objtype=>$session->html_phrase( "general:dataset_object_".$ds->confid)); } sub get_item { my( $self, $session, $value ) = @_; my $ds = $session->get_repository->get_dataset( $self->get_property('datasetid') ); return $ds->get_object( $session, $value ); } sub get_input_elements { my( $self, $session, $value, $staff, $obj, $basename ) = @_; my $input = $self->SUPER::get_input_elements( $session, $value, $staff, $obj, $basename ); my $buttons = $session->make_doc_fragment; $buttons->appendChild( $session->render_internal_buttons( $self->{name}."_null" => $session->phrase( "lib/metafield/itemref:lookup" ))); push @{ $input->[0] }, {el=>$buttons}; return $input; } ###################################################################### 1;