###################################################################### # # EPrints::MetaField::Search; # ###################################################################### # # 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::Search> - no description =head1 DESCRIPTION not done =over 4 =cut # datasetid package EPrints::MetaField::Search; use strict; use warnings; BEGIN { our( @ISA ); @ISA = qw( EPrints::MetaField ); } use EPrints::MetaField; sub get_sql_type { my( $self, $notnull ) = @_; return $self->get_sql_name()." TEXT".($notnull?" NOT NULL":""); } # never SQL index this type sub get_sql_index { my( $self ) = @_; return undef; } sub render_single_value { my( $self, $session, $value ) = @_; my $searchexp = $self->make_searchexp( $session, $value ); my $desc = $searchexp->render_description; $searchexp->dispose; return $desc; } ###################################################################### # # $searchexp = $field->make_searchexp( $session, $value, [$basename] ) # # This method should only be called on fields of type "search". # Return a search expression from the serialised expression in value. # $basename is passed to the Search to prefix all HTML form # field ids when more than one search will exist in the same form. # ###################################################################### sub make_searchexp { my( $self, $session, $value, $basename ) = @_; my $ds = $session->get_repository->get_dataset( $self->{datasetid} ); my $fieldnames = $self->get_property( "fieldnames" ); my $searchexp = EPrints::Search->new( session => $session, dataset => $ds, prefix => $basename, fieldnames => $fieldnames ); # don't limit the deserialising unless there are fieldnames # defined. if( defined $fieldnames ) { $searchexp->from_string( $value ); } else { $searchexp->from_string_raw( $value ); } return $searchexp; } sub get_basic_input_elements { my( $self, $session, $value, $basename, $staff, $obj ) = @_; #cjg NOT CSS'd properly. my $div = $session->make_element( "div", style => "padding: 6pt; margin-left: 24pt; " ); # cjg - make help an option? my $searchexp = $self->make_searchexp( $session, $value, $basename."_" ); foreach my $sf ( $searchexp->get_non_filter_searchfields ) { my $sfdiv = $session->make_element( "div" , class => "ep_search_field_name" ); $sfdiv->appendChild( $sf->render_name ); $div->appendChild( $sfdiv ); $div->appendChild( $sf->render() ); } $searchexp->dispose(); return [ [ { el=>$div } ] ]; } sub form_value_basic { my( $self, $session, $basename ) = @_; my $ds = $session->get_repository->get_dataset( $self->{datasetid} ); my $searchexp = EPrints::Search->new( session => $session, dataset => $ds, prefix => $basename."_", fieldnames => $self->get_property( "fieldnames" ) ); foreach my $sf ( $searchexp->get_non_filter_searchfields ) { $sf->from_form(); } foreach my $sf ( $searchexp->get_non_filter_searchfields ) { $sf->from_form; } my $value = undef; unless( $searchexp->is_blank ) { $value = $searchexp->serialise; } $searchexp->dispose(); return $value; } sub get_search_group { return 'search'; } sub get_property_defaults { my( $self ) = @_; my %defaults = $self->SUPER::get_property_defaults; $defaults{datasetid} = $EPrints::MetaField::REQUIRED; $defaults{fieldnames} = $EPrints::MetaField::UNDEF;; return %defaults; } ###################################################################### 1;