# -*- perl -*-

=head1 NAME

SuikaWiki::View --- SuikaWiki: View

=cut

package SuikaWiki::View;
use strict;
our $VERSION = do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
my %template;
my %definition;

use overload '""' => \&as_string,
             '.=' => \&add_line,
             fallback => 1;

=head1 METHODS FOR TEMPLATE

=over 4

=item $t = SuikaWiki::View->template ($name)

Returns a view template object

=cut

sub template ($$) {
  my $self = bless {type => 'template'}, shift;
  $self->{name} = shift;
  $self;
}

sub definition ($$;\%) {
  my $self = bless {type => 'definition'}, shift;
  $self->{name} = shift;
  my $p = shift;
  $definition{$self->{name}} = $p if ref $p;
  $self;
}

sub add_line ($$) {
  my $self = shift;
  if ($self->{type} eq 'template') {
    $template{$self->{name}} .= shift;
  } else {
    $definition{$self->{name}}->{template} .= shift;
  }
  $self;
}

sub as_string ($) {
  my $self = shift;
  if ($self->{type} eq 'template') {
    $template{$self->{name}}
    .join '',
      map {$_->{Main}}
      sort {$a->{Order} <=> $b->{Order}}
      @{$SuikaWiki::View::Implementation::TemplateFragment{$self->{name}}||[]};
  } else {
    $definition{$self->{name}}->{template};
  }
}

sub properties ($;\%) {
  my ($self, $new) = @_;
  if (ref $new) {
    $definition{$self->{name}} = $new;
  } elsif (!ref $definition{$self->{name}}) {
    $definition{$self->{name}} = {};
  }
  $definition{$self->{name}};
}

sub property ($$;\%) {
  my ($self, $key, $new) = @_;
  if (defined $new) {
    $definition{$self->{name}}->{$key} = $new;
  }
  $definition{$self->{name}}->{$key};
}

sub defined ($) {
  my $self = shift;
  ref $definition{$self->{name}} && ref $definition{$self->{name}}->{media};
}
sub check ($\%) {
  my $self = shift;
  ref $definition{$self->{name}}->{check} ?
    &{$definition{$self->{name}}->{check}} (shift)
    :
    $self->defined
  ;
}

sub definitions ($) {
  return keys %definition;
}

=back

=head1 LICENSE

Copyright 2003 Wakaba <w@suika.fam.cx>

This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.

=cut

1; # $Date: 2003/10/25 02:22:06 $