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Koha/C4/Templates.pm
Julian Maurice 76e39750b7 Bug 11848: Move language detection function in C4::Languages 
Also store interface (intranet, opac) in context to not have to pass it
as parameter.

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
No koha-qa errors

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Comments on last patch.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
2014-05-05 04:29:34 +00:00

343 lines
10 KiB
Perl
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package C4::Templates;
use strict;
use warnings;
use Carp;
use CGI;
use List::MoreUtils qw/any/;
# 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::Languages qw(getTranslatedLanguages get_bidi regex_lang_subtags language_get_description accept_language );
use C4::Context;
__PACKAGE__->mk_accessors(qw( theme activethemes preferredtheme lang filename htdocs interface vars));
sub new {
my $class = shift;
my $interface = shift;
my $filename = shift;
my $tmplbase = shift;
my $query = @_? shift: undef;
my $htdocs;
if ( $interface ne "intranet" ) {
$htdocs = C4::Context->config('opachtdocs');
}
else {
$htdocs = C4::Context->config('intrahtdocs');
}
my ($theme, $lang, $activethemes)= themelanguage( $htdocs, $tmplbase, $interface, $query);
my @includes;
foreach (@$activethemes) {
push @includes, "$htdocs/$_/$lang/includes";
push @includes, "$htdocs/$_/en/includes" unless $lang eq 'en';
}
my $template = Template->new(
{ EVAL_PERL => 1,
ABSOLUTE => 1,
PLUGIN_BASE => 'Koha::Template::Plugin',
COMPILE_EXT => C4::Context->config('template_cache_dir')?'.ttc':'',
COMPILE_DIR => C4::Context->config('template_cache_dir')?C4::Context->config('template_cache_dir'):'',,
INCLUDE_PATH => \@includes,
FILTERS => {},
}
) or die Template->error();
my $self = {
TEMPLATE => $template,
VARS => {},
};
bless $self, $class;
$self->theme($theme);
$self->lang($lang);
$self->activethemes($activethemes);
$self->preferredtheme($activethemes->[0]);
$self->filename($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->preferredtheme . '/' . $self->lang;
$vars->{yuipath} =
( C4::Context->preference("yuipath") eq "local"
? ( $self->interface eq 'intranet' ? $vars->{themelang} . "/lib/yui" : "/opac-tmpl/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->{opaclayoutstylesheet} =
C4::Context->preference('opaclayoutstylesheet');
# add variables set via param to $vars for processing
# and clean any utf8 mess
for my $k ( keys %{ $self->{VARS} } ) {
$vars->{$k} = $self->{VARS}->{$k};
if (ref($vars->{$k}) eq 'ARRAY'){
utf8_arrayref($vars->{$k});
}
elsif (ref($vars->{$k}) eq 'HASH'){
utf8_hashref($vars->{$k});
}
else {
utf8::encode($vars->{$k}) if utf8::is_utf8($vars->{$k});
}
}
my $data;
# binmode( STDOUT, ":utf8" );
$template->process( $self->filename, $vars, \$data )
|| die "Template process failed: ", $template->error();
return $data;
}
sub utf8_arrayref {
my $arrayref = shift;
foreach my $element (@$arrayref){
if (ref($element) eq 'ARRAY'){
utf8_arrayref($element);
next;
}
if (ref($element) eq 'HASH'){
utf8_hashref($element);
next;
}
utf8::encode($element) if utf8::is_utf8($element);
}
}
sub utf8_hashref {
my $hashref = shift;
for my $key (keys %{$hashref}){
if (ref($hashref->{$key}) eq 'ARRAY'){
utf8_arrayref($hashref->{$key});
next;
}
if (ref($hashref->{$key}) eq 'HASH'){
utf8_hashref($hashref->{$key});
next;
}
utf8::encode($hashref->{$key}) if utf8::is_utf8($hashref->{$key});
}
}
# 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;
}
# wrapper method to allow easier transition from HTML template pro to Template Toolkit
sub param {
my $self = shift;
while (@_) {
my $key = shift;
my $val = shift;
if ( ref($val) eq 'ARRAY' && !scalar @$val ) { $val = undef; }
elsif ( ref($val) eq 'HASH' && !scalar %$val ) { $val = undef; }
if ( $key ) {
$self->{VARS}->{$key} = $val;
} else {
warn "Problem = a value of $val has been passed to param without key";
}
}
}
=head1 NAME
C4::Templates - Functions for managing templates
=head1 FUNCTIONS
=cut
# FIXME: this is a quick fix to stop rc1 installing broken
# Still trying to figure out the correct fix.
my $path = C4::Context->config('intrahtdocs') . "/prog/en/includes/";
#---------------------------------------------------------------------------------------------------------
# FIXME - POD
sub _get_template_file {
my ($tmplbase, $interface, $query) = @_;
my $is_intranet = $interface eq 'intranet';
my $htdocs = C4::Context->config($is_intranet ? 'intrahtdocs' : 'opachtdocs');
my ($theme, $lang, $availablethemes) = themelanguage($htdocs, $tmplbase, $interface, $query);
# if the template doesn't exist, load the English one as a last resort
my $filename = "$htdocs/$theme/$lang/modules/$tmplbase";
unless (-f $filename) {
$lang = 'en';
$filename = "$htdocs/$theme/$lang/modules/$tmplbase";
}
return ($htdocs, $theme, $lang, $filename);
}
sub gettemplate {
my ( $tmplbase, $interface, $query, $is_plugin ) = @_;
($query) or warn "no query in gettemplate";
my $path = C4::Context->preference('intranet_includes') || 'includes';
$tmplbase =~ s/\.tmpl$/.tt/;
my ($htdocs, $theme, $lang, $filename)
= _get_template_file($tmplbase, $interface, $query);
$filename = $tmplbase if ( $is_plugin );
my $template = C4::Templates->new($interface, $filename, $tmplbase, $query);
# NOTE: Commenting these out rather than deleting them so that those who need
# to know how we previously shimmed these directories will be able to understand.
# my $is_intranet = $interface eq 'intranet';
# my $themelang =
# ($is_intranet ? '/intranet-tmpl' : '/opac-tmpl') .
# "/$theme/$lang";
# $template->param(
# themelang => $themelang,
# yuipath => C4::Context->preference("yuipath") eq "local"
# ? "$themelang/lib/yui"
# : C4::Context->preference("yuipath"),
# interface => $is_intranet ? '/intranet-tmpl' : '/opac-tmpl',
# theme => $theme,
# lang => $lang
# );
# Bidirectionality, must be sent even if is the only language
my $current_lang = regex_lang_subtags($lang);
my $bidi;
$bidi = get_bidi($current_lang->{script}) if $current_lang->{script};
$template->param(
bidi => $bidi,
);
# Languages
my $languages_loop = getTranslatedLanguages($interface,$theme,$lang);
my $num_languages_enabled = 0;
foreach my $lang (@$languages_loop) {
foreach my $sublang (@{ $lang->{'sublanguages_loop'} }) {
$num_languages_enabled++ if $sublang->{enabled};
}
}
my $one_language_enabled = ($num_languages_enabled <= 1) ? 1 : 0; # deal with zero enabled langs as well
$template->param(
languages_loop => $languages_loop,
one_language_enabled => $one_language_enabled,
) unless $one_language_enabled;
return $template;
}
#---------------------------------------------------------------------------------------------------------
# FIXME - POD
sub themelanguage {
my ($htdocs, $tmpl, $interface, $query) = @_;
($query) or warn "no query in themelanguage";
# Select a language based on cookie, syspref available languages & browser
my $lang = C4::Languages::getlanguage($query);
# Select theme
my $is_intranet = $interface eq 'intranet';
my @themes = split(" ", C4::Context->preference(
$is_intranet ? "template" : "opacthemes" ));
push @themes, 'prog';
# Try to find first theme for the selected language
for my $theme (@themes) {
if ( -e "$htdocs/$theme/$lang/modules/$tmpl" ) {
$_current_language = $lang;
return ($theme, $lang, \@themes)
}
}
# Otherwise, return prog theme in English 'en'
return ('prog', 'en', \@themes);
}
sub setlanguagecookie {
my ( $query, $language, $uri ) = @_;
my $cookie = $query->cookie(
-name => 'KohaOpacLanguage',
-value => $language,
-HttpOnly => 1,
-expires => '+3y'
);
print $query->redirect(
-uri => $uri,
-cookie => $cookie
);
}
=head2 getlanguagecookie
my $cookie = getlanguagecookie($query,$language);
Returns a cookie object containing the calculated language to be used.
=cut
sub getlanguagecookie {
my ( $query, $language ) = @_;
my $cookie = $query->cookie(
-name => 'KohaOpacLanguage',
-value => $language,
-HttpOnly => 1,
-expires => '+3y'
);
return $cookie;
}
1;
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