Koha/C4/Templates.pm
Jared Camins-Esakov e766a92b98 Bug 5917 follow-up: Quiet errors in C4::Templates
There were a few errors about unitialized variables in C4::Templates.

Signed-off-by: Jared Camins-Esakov <jcamins@bywatersolutions.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
2011-04-11 08:27:38 +12:00

192 lines
5.5 KiB
Perl

package C4::Templates;
use strict;
use warnings;
use Carp;
use CGI;
# Copyright 2009 Chris Cormack and The Koha Dev Team
#
# This file is part of Koha.
#
# 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
=head1 NAME
Koha::Templates - Object for manipulating templates for use with Koha
=cut
use base qw(Class::Accessor);
use Template;
use Template::Constants qw( :debug );
use C4::Context;
__PACKAGE__->mk_accessors(qw( theme lang filename htdocs interface vars));
sub new {
my $class = shift;
my $interface = shift;
my $filename = shift;
my $tmplbase = shift;
my $htdocs;
if ( $interface ne "intranet" ) {
$htdocs = C4::Context->config('opachtdocs');
}
else {
$htdocs = C4::Context->config('intrahtdocs');
}
my ( $theme, $lang ) = themelanguage( $htdocs, $tmplbase, $interface );
my $template = Template->new(
{
EVAL_PERL => 1,
ABSOLUTE => 1,
INCLUDE_PATH => "$htdocs/$theme/$lang/includes",
FILTERS => {},
}
) or die Template->error();
my $self = {
TEMPLATE => $template,
VARS => {},
};
bless $self, $class;
$self->theme($theme);
$self->lang($lang);
$self->filename($filename);
$self->htdocs($htdocs);
$self->interface($interface);
$self->{VARS}->{"test"} = "value";
return $self;
}
sub output {
my $self = shift;
my $vars = shift;
# my $file = $self->htdocs . '/' . $self->theme .'/'.$self->lang.'/'.$self->filename;
my $template = $self->{TEMPLATE};
if ( $self->interface eq 'intranet' ) {
$vars->{themelang} = '/intranet-tmpl';
}
else {
$vars->{themelang} = '/opac-tmpl';
}
$vars->{lang} = $self->lang;
$vars->{themelang} .= '/' . $self->theme . '/' . $self->lang;
$vars->{yuipath} =
( C4::Context->preference("yuipath") eq "local"
? $vars->{themelang} . "/lib/yui"
: C4::Context->preference("yuipath") );
$vars->{interface} =
( $self->{interface} ne 'intranet' ? '/opac-tmpl' : '/intranet-tmpl' );
$vars->{theme} = $self->theme;
$vars->{opaccolorstylesheet} =
C4::Context->preference('opaccolorstylesheet');
$vars->{opacsmallimage} = C4::Context->preference('opacsmallimage');
$vars->{opacstylesheet} = C4::Context->preference('opacstylesheet');
#add variables set via param to $vars for processing
for my $k ( keys %{ $self->{VARS} } ) {
$vars->{$k} = $self->{VARS}->{$k};
}
my $data;
$template->process( $self->filename, $vars, \$data )
|| die "Template process failed: ", $template->error();
return $data;
}
# FIXME - this is a horrible hack to cache
# the current known-good language, temporarily
# put in place to resolve bug 4403. It is
# used only by C4::XSLT::XSLTParse4Display;
# the language is set via the usual call
# to themelanguage.
my $_current_language = 'en';
sub _current_language {
return $_current_language;
}
sub themelanguage {
my ( $htdocs, $tmpl, $interface ) = @_;
my $query = new CGI;
# Set some defaults for language and theme
# First, check the user's preferences
my $lang;
# But, if there's a cookie set, obey it
$lang = $query->cookie('KohaOpacLanguage')
if ( defined $query and $query->cookie('KohaOpacLanguage') );
# Fall back to English
my @languages;
if ( $interface eq 'intranet' ) {
@languages = split ",", C4::Context->preference("language");
}
else {
@languages = split ",", C4::Context->preference("opaclanguages");
}
if ($lang) {
@languages = ( $lang, @languages );
}
else {
$lang = $languages[0];
}
my $theme = 'prog'; # in the event of theme failure default to 'prog' -fbcit
my $dbh = C4::Context->dbh;
my @themes;
if ( $interface eq "intranet" ) {
@themes = split " ", C4::Context->preference("template");
}
else {
@themes = split " ", C4::Context->preference("opacthemes");
}
# searches through the themes and languages. First template it find it returns.
# Priority is for getting the theme right.
THEME:
foreach my $th (@themes) {
foreach my $la (@languages) {
if ( -e "$htdocs/$th/$la/modules/$tmpl" ) {
$theme = $th;
$lang = $la;
last THEME;
}
last unless $la =~ /[-_]/;
}
}
$_current_language = $lang; # FIXME part of bad hack to paper over bug 4403
return ( $theme, $lang );
}
# wrapper method to allow easier transition from HTML template pro to Template Toolkit
sub param {
my $self = shift;
while (@_) {
my $key = shift;
my $val = shift;
utf8::encode($val) if utf8::is_utf8($val);
if ( ref($val) eq 'ARRAY' && !scalar @$val ) { $val = undef; }
elsif ( ref($val) eq 'HASH' && !scalar %$val ) { $val = undef; }
$self->{VARS}->{$key} = $val;
}
}
1;