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Contents
# containers.rb: drawables that contains other drawables
# copyright (c) 2011 by Vincent Fourmond
# This program 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.
# This program 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 (in the COPYING file).
require 'ctioga2/utils'
require 'ctioga2/log'
require 'forwardable'
module CTioga2
module Graphics
module Elements
# A Container that redirect most of its trafic to the parents.
class RedirectingContainer < Container
extend Forwardable
###########################################
# The following functions are plain redirections to the
# parent.
#
# \todo a scheme should probably be designed to allow simple
# redirection in the form of an accessor. Using forwardable
# should do
undef :gp_cache, :gp_cache=
def_delegators :parent, :style, :add_legend_item, :legend_area=,
:gp_cache, :gp_cache=, :set_user_boundaries
def each_item(leaf_only = true, recursive = false, tl = true, &blk)
if tl
parent.each_item(leaf_only, recursive, tl, &blk)
else
if @elements
super(leaf_only, recursive, true, &blk)
end
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems