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require 'sample/hasprops'
require 'sample/group'
require 'sample/layer'
require 'sample/line'
require 'sample/shape'
require 'sample/oval'
require 'sample/rect'
require 'sample/text'
require 'sample/change'
module Sample
class Doc
include HasProps
attr_accessor :title
attr_accessor :create_time
attr_accessor :user
# Hash of layers in the document indexed by layer name.
attr_reader :layers
attr_reader :change_history
def initialize(title)
@title = title
@user = ENV['USER']
@create_time = Time.now
@layers = {}
@change_history = []
end
def add_change(comment, time=nil, user=nil)
@change_history << Change.new(comment, time, user)
end
end # Doc
end # Sample
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