unhide-all.rb

unhide-all.rb

# file: unhide-all.rb
# author: jim.foltz@gmail.com

require 'sketchup.rb'

module JF

    module UnhideAll

        def self.start
            model = Sketchup.active_model
            model.start_operation("Unhide all entities", true)
            entities = Sketchup.active_model.selection
            entities = Sketchup.active_model.active_entities if entities.empty? 
            begin
                unhide(entities)
                model.layers.each {|l| l.visible = true}
            rescue => e
                model.abort_operation
                puts e
            else
                model.commit_operation
            end
        end

        def self.unhide(ent, list = {})
            ent.each do |e|
                case e
                when Sketchup::Group
                    e.make_unique
                    unhide(e.entities)
                when Sketchup::ComponentInstance
                    unhide(e.definition.entities, list) unless list.has_key?(e.definition)
                    list[e.definition] = true
                end
                e.hidden = false if e.respond_to?(:hidden=)
            end
        end

        menu = defined?(JF.menu) ? JF.menu :  UI.menu('Plugins')
        menu.add_item("Unhide All") { JF::UnhideAll.start }

    end
end # JF