# Copyright 2006 by Jim Foltz <jim.foltz@gmail.com> - All Rights Reserved
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# Nov 2006
#   
# Sep 2006
# add_hidden_layer.rb
#   adds a layer with visibilty turned off for existing (and new) pages
# 
require "sketchup.rb"
module AddHiddenLayer
   def self.start
      model = Sketchup.active_model
      layers = model.layers
      result = inputbox(["Name"], [layers.unique_name], "Add Hidden Layer")
      return unless result
      newname = result[0].strip
      if layers[newname]
	 UI.messagebox("Layer \"#{newname}\" exists, exiting.")
	 return
      end
      layer = layers.add newname
      #pb = layer.page_behavior = LAYER_HIDDEN_BY_DEFAULT|LAYER_IS_HIDDEN_ON_NEW_PAGES
      # These 2 flags seem to create an error.
      pb = layer.page_behavior = LAYER_IS_HIDDEN_ON_NEW_PAGES
      model.pages.each { |p| p.set_visibility( layer, false ) }
   end
end 
unless file_loaded?( "add_hidden_layer.rb" )
   UI.menu.add_item("Add Hidden Layer") {AddHiddenLayer.start}
   file_loaded("add_hidden_layer.rb")
end