# Copyright (c) 2009 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library 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
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: MainErrors.pm,v 1.1 2009/05/17 21:44:49 nagler Exp $
package Bivio::UI::XHTML::Widget::MainErrors;
use strict;
use Bivio::Base 'HTMLWidget.Tag';

our($VERSION) = sprintf('%d.%02d', q$Revision: 1.1 $ =~ /\d+/g);
my($_HANDLERS) = b_use('Biz.Registrar')->new;
b_use('XHTMLWidget.Page')->register_handler(__PACKAGE__);
b_use('IO.ClassLoader')->map_require_all(__PACKAGE__->simple_package_name);

sub CLASSLOADER_MAP_NAME {
    return 'XHTMLWidget';
}

sub NEW_ARGS {
    return [];
}

sub handle_page_render_end {
    my($proto, $source, $buffer) = @_;
    return
	unless my $self = $proto->unsafe_self_from_req($source->req);
    $$buffer =~ s/\Q$self/_render($self, $source)/es;
    return;
}

sub initialize {
    return shift->put_unless_exists(
	tag => 'div',
	value => '',
	class => 'b_main_errors',
	tag_if_empty => 0,
    )->SUPER::initialize(@_);
}

sub register_handler {
    shift;
    $_HANDLERS->push_object(@_);
    return;
}

sub render {
    my($self, $source, $buffer) = @_;
#TODO: Generalize backpatching.
    $self->put_on_req($source->req);
    $$buffer .= "$self";
    return;
}

sub render_tag_value {
    my($self, $source, $buffer) = @_;
    $_HANDLERS->do_filo(handle_render_main_errors => [$source, $buffer]);
    return;
}

sub _render {
    my($self, $source) = @_;
    my($b) = '';
    $self->SUPER::render($source, \$b);
    return $b;
}

1;