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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Myk Melez <myk@mozilla.org>
# Zach Lipton <zach@zachlipton.com>
# Elliotte Martin <everythingsolved.com>
#
package Bugzilla::Template::Plugin::Hook;
use strict;
use Bugzilla::Constants;
use Bugzilla::Install::Util qw(include_languages);
use Bugzilla::Template;
use Bugzilla::Util;
use Bugzilla::Error;
use File::Spec;
use base qw(Template::Plugin);
sub load {
my ($class, $context) = @_;
return $class;
}
sub new {
my ($class, $context) = @_;
return bless { _CONTEXT => $context }, $class;
}
sub process {
my ($self, $hook_name, $template) = @_;
$template ||= $self->{_CONTEXT}->stash->{component}->{name};
my @hooks;
# sanity check:
if (!$template =~ /[\w\.\/\-_\\]+/) {
ThrowCodeError('template_invalid', { name => $template});
}
# also get extension hook files that live in extensions/:
# parse out the parts of the template name
my ($vol, $subpath, $filename) = File::Spec->splitpath($template);
$subpath = $subpath || '';
$filename =~ m/(.*)\.(.*)\.tmpl/;
my $templatename = $1;
my $type = $2;
# munge the filename to create the extension hook filename:
my $extensiontemplate = $subpath.'/'.$templatename.'-'.$hook_name.'.'.$type.'.tmpl';
my @extensions = glob(bz_locations()->{'extensionsdir'} . "/*");
my @usedlanguages = include_languages({use_languages => Bugzilla->languages});
foreach my $extension (@extensions) {
next if -e "$extension/disabled";
foreach my $language (@usedlanguages) {
my $file = $extension.'/template/'.$language.'/'.$extensiontemplate;
if (-e $file) {
# tt is stubborn and won't take a template file not in its
# include path, so we open a filehandle and give it to process()
# so the hook gets invoked:
open (my $fh, $file);
push(@hooks, $fh);
}
}
}
my $paths = $self->{_CONTEXT}->{LOAD_TEMPLATES}->[0]->paths;
# we keep this too since you can still put hook templates in
# template/en/custom/hook
foreach my $path (@$paths) {
my @files = glob("$path/hook/$template/$hook_name/*.tmpl");
# Have to remove the templates path (INCLUDE_PATH) from the
# file path since the template processor auto-adds it back.
@files = map($_ =~ /^$path\/(.*)$/ ? $1 : {}, @files);
# Add found files to the list of hooks, but removing duplicates,
# which can happen when there are identical hooks or duplicate
# directories in the INCLUDE_PATH (the latter probably being a TT bug).
foreach my $file (@files) {
push(@hooks, $file) unless grep($file eq $_, @hooks);
}
}
my $output;
foreach my $hook (@hooks) {
$output .= $self->{_CONTEXT}->process($hook);
}
return $output;
}
1;
__END__
=head1 NAME
Bugzilla::Template::Plugin::Hook
=head1 DESCRIPTION
Template Toolkit plugin to process hooks added into templates by extensions.
=head1 METHODS
=over
=item B<process>
=over
=item B<Description>
Processes hooks added into templates by extensions.
=item B<Params>
=over
=item C<hook_name>
The unique name of the template hook.
=item C<template> (optional)
The path of the calling template.
This is used as a work around to a bug which causes the path to the hook
to be incorrect when the hook is called from inside a block.
Example: If the hook C<lastrow> is added to the template
F<show-multiple.html.tmpl> and it is desired to force the correct template
path, the template hook would be:
[% Hook.process("lastrow", "bug/show-multiple.html.tmpl") %]
=back
=item B<Returns>
Output from processing template extension.
=back
=back
=head1 SEE ALSO
L<Template::Plugin>
L<http://www.bugzilla.org/docs/tip/html/customization.html>
L<http://bugzilla.mozilla.org/show_bug.cgi?id=229658>
L<http://bugzilla.mozilla.org/show_bug.cgi?id=298341>
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