+package Koha::Template::Plugin::Categories;
+
+# Copyright 2013-2014 BibLibre
+#
+# Koha 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 3 of the License, or
+# (at your option) any later version.
+#
+# Koha 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 Koha; if not, see <http://www.gnu.org/licenses>.
+
+use Modern::Perl;
+
+use Template::Plugin;
+use base qw( Template::Plugin );
+
+use C4::Category;
+
+sub all {
+ my ( $self, $params ) = @_;
+ my $selected = $params->{selected};
+
+ my @categories = C4::Category->all;
+ if ( $selected ) {
+ for my $category ( @categories ) {
+ if ( $category->{categorycode} eq $selected ) {
+ $category->{selected} = 1;
+ }
+ }
+ }
+ return @categories;
+}
+
+1;
+
+=head1 NAME
+
+Koha::Template::Plugin::Categories - TT Plugin for categories
+
+=head1 SYNOPSIS
+
+[% USE Categories %]
+
+[% Categories.all() %]
+
+=head1 ROUTINES
+
+=head2 all
+
+In a template, you can get the all categories with
+the following TT code: [% Categories.all() %]
+
+=head1 AUTHOR
+
+Jonathan Druart <jonathan.druart@biblibre.com>
+
+=cut