IndoorGmlModeler.rb

# frozen_string_literal: true

require 'sketchup.rb'
require 'json'
require 'rexml/document'

# IndoorGml modeler
# copyright 2020 UNE.co.kr

# include Sketchup


module UNES
  include Sketchup
  include REXML
  include Geom

  module IndoorGmlModeler
    
    
    module EditMode
      NONE = 0
      CELL = 1
      NODE = 2
      POI = 3
      DOOR = 4
      FLOOR = 5
      VALIDATION = 6
    end

    class Element
      attr_reader :name
      attr_writer :name
      attr_reader :id
      attr_writer :id

      def initialize
        @name = ''
        # @id = SecureRandom.base64(8).gsub("/","_").gsub(/=+$/,"")
        @id = rand(36**8).to_s(36)
      end
    end

    # transition node
    class Node < Element
      attr_reader :position
      attr_writer :position
      attr_reader :parent
      attr_writer :parent
      attr_reader :component
      attr_writer :component
      attr_accessor :component_id
      attr_reader :node_type
      attr_writer :node_type
      attr_reader :anchor
      attr_writer :anchor

      # @@node_type_names = %w[NONE DOOR WINDOW ROOM]

      def initialize
        super
        @position = Geom::Point3d.new
        # node가 속한 객체 (cell space나 door 혹은 다른 것들)
        @parent = nil
        # node의 형상 entity (Component)
        @component = nil
        @component_id = nil
        @node_type = 'NORMAL'
        @anchor = Anchor.new
      end
    end

    # anchor class
    class Anchor
      MAIN = UNES::IndoorGmlModeler
      attr_reader :position
      attr_writer :position
      attr_reader :rotation
      attr_writer :rotation
      def initialize
        # 위경도
        @position = Geom::Point3d.new
        @rotation = 0.0
      end

      def read(file_path)
        lines = File.readlines(file_path)

        return unless !lines.nil? && lines.length == 3

        x = lines[0].to_f
        y = lines[1].to_f
        rotation = lines[2].to_f

        @position = Geom::Point3d.new(x, y, 0)
        @rotation = rotation
      end

      def write(file_path, id)
        data = ''
        data.concat(id)
        data.concat('\n')
        data.concat(@position.x.to_s)
        data.concat('\n')
        data.concat(@position.y.to_s)
        data.concat('\n')
        data.concat(@rotation.to_s)

        File.write(file_path, data)
      end
    end

    # Modified by LIK for more detail cell types Nov. 5, 2022
    module CellType
      CELL = 0
      DOOR = 1
      WINDOW  = 2
      ELEVATOR = 3
      STAIR = 4
      CORRIDOR = 5
      ESCALATOR = 6
      SLOPE = 7
      ANCHOR = 8
      MOVINGWALK = 9
      OCCUPIEDSPACE = 10
    end

    module DoorType
      PASSABLE = 0
      ONESIDE = 1
      NOTPASSABLE = 2
    end

    # module PoiType
    #   NONE = 0
    #   SPACE = 1
    #   ETC = 2
    # end

    module NodeType
      NONE = 0
      DOOR = 1
      WINDOW = 2
      ROOM = 3
      ELEVATOR = 4
      STAIR = 5
      CORRIDOR = 6
      ESCALATOR = 7
      SLOPE = 8
      ANCHOR = 9
      MOVINGWALK = 10
      OCCUPIEDSPACE = 11
    end

    # building
    class Building < Element
      attr_reader :floors
      attr_writer :floors

      def initialize
        @floors = []
      end

      def to_hash
        hash_list = []

        @floors.each do |f|
          hash_list.push f.to_hash
        end

        hash_list
      end
    end

    # floor
    class Floor < Element
      attr_reader :height
      attr_writer :height
      attr_reader :elevation
      attr_writer :elevation
      attr_reader :group
      attr_writer :group

      def initialize(height, elevation)
        @cells = []
        @links = []
        @doors = []
        @nodes = []
        @pois = []

        @layer = nil
        @height = height
        @elevation = elevation
        # @group = nil

        # model = Sketchup.active_model

        # depth = 1000 / 1.to_m # 1000 미터가 되기 위한 인치수를 구함
        # width = 1000 / 1.to_m
        # pts = []
        # pts[0] = [-width, -depth, elevation]
        # pts[1] = [width, -depth, elevation]
        # pts[2] = [width, depth, elevation]
        # pts[3] = [-width, depth, elevation]

        # face = model.entities.add_face pts
        # face.pushpull(-@height, false)

        # @group = model.entities.add_group face.all_connected
        # @group.hidden = true
      end

      def to_hash
        {
          name: @name,
          elevation: @elevation,
          height: @height
        }
      end

      def is_in(entity, parent_group = nil)
        return false if @group.nil? || entity.nil?

        return false if @group.deleted?

        return false if entity.deleted?

        if parent_group.nil?
          bounds = @group.bounds.intersect(entity.bounds)
        else
          outter_bounds = parent_group.bounds
          inner_bounds = entity.bounds

          min = inner_bounds.min
          max = inner_bounds.max

          world_min = min.transform(outter_bounds.transformation)
          world_max = max.transform(outter_bounds.transformation)

          world_bounds = Geom::BoundingBox.new

          world_bounds.add world_min
          world_bounds.add world_max

          bounds = @group.bounds.intersect(world_bounds)
        end

        return false if bounds.empty?

        true
      end
    end

    # cell space
    class Cell < Element
      attr_reader :group
      attr_writer :group
      attr_reader :cell_type
      attr_writer :cell_type
      attr_reader :doors
      attr_writer :doors
      attr_reader :node
      attr_writer :node
      attr_reader :layer
      attr_writer :layer
      attr_accessor :group_id

      # Modified by LIK for more detail cell types Nov. 5, 2022
      @@cell_type_names = %w[CELL DOOR WINDOW ELEVATOR STAIR CORRIDOR ESCALATOR SLOPE ANCHOR MOVINGWALK OCCUPIEDSPACE]

      def initialize
        super
        @group = nil
        @cell_type = CellType::SPACE
        @doors = []
        @node = nil
        # layer는 그냥 text 이름임
        @layer = 'group 0'
        @group_id = nil
      end

      def get_cell_type_name
        @@cell_type_names[@cell_type]
      end

      class << self
        def get_cell_type_by_name(cell_type_name)
          counter = 0
          @@cell_type_names.each do |n|
            return counter if cell_type_name == n

            counter += 1
          end

          -1
        end
      end

      def has_entity(entity)
        false if entity.nil?

        if @group.is_a?(Sketchup::Group)
          true unless @group.entities.find_index(entity).nil?
        end

        false
      end
    end

    # transition link
    class Link < Element
      attr_reader :node1
      attr_writer :node1
      attr_reader :node2
      attr_writer :node2
      attr_reader :line
      attr_writer :line

      def initialize
        super
        @node1 = nil
        @node2 = nil
        # 노드 사이 연결을 나타내는 line (polyline이 될수도 있음)
        @line = nil
      end

      def isSame(n1, n2)
        return true if @node1 == n1 && @node2 == n2

        return true if @node1 == n2 && @node2 == n1

        false
      end

      def to_hash
        {
          node1_id: @node1.id,
          node1_name: @node1.name,
          node2_id: @node2.id,
          node2_name: @node2.name
        }
      end

      def update_line
        return false if @node1.component.deleted?

        point1 = @node1.component.bounds.center

        point1 = point1.transform(node1.parent.group.transformation) if @node1.parent.is_a?(Cell)

        return false if @node2.component.deleted?

        point2 = @node2.component.bounds.center

        point2 = point2.transform(node2.parent.group.transformation) if @node2.parent.is_a?(Cell)

        entities = Sketchup.active_model.active_entities        
        entities.erase_entities @line unless @line.nil?
        @line = entities.add_cline(point1, point2)
      end
    end

    # cell space 사이의 transition을 만들기 위해 필요한 객체
    class Door < Element
      attr_reader :face
      attr_writer :face
      attr_reader :group
      attr_writer :group
      attr_reader :door_type
      attr_writer :door_type
      attr_reader :node
      attr_writer :node
      attr_reader :face_vertices
      attr_writer :face_vertices

      @@door_type_names = %w[PASSABLE ONESIDE NOTPASSABLE]

      def initialize
        super
        @face = nil
        @group = nil
        @door_type = DoorType::PASSABLE
        @node = nil
        @face_vertices = []
      end

      def update_door_face
        # 겹치는 face를 찾음
        if @face.nil? || @face.deleted?
          model = Sketchup.active_model
          i = 0
          while i < model.entities.length() do
            e = model.entities[i]
            if e.is_a?(Sketchup::Face) && !e.deleted?
              result = e.bounds.intersect(node.component.bounds)

              unless result.empty?
                @face = e
                break
              end
            end
            i += 1
          end
        end
      end

      def get_door_type_name
        @@door_type_names[@door_type]
      end
    end

    class Poi < Element
      attr_reader :component
      attr_writer :component
      attr_reader :poi_type1
      attr_writer :poi_type1
      attr_reader :poi_type2
      attr_writer :poi_type2
      attr_reader :poi_type3
      attr_writer :poi_type3
      attr_reader :position
      attr_writer :position

      # @@poi_type_names = %w[NONE SPACE ETC]

      def initialize
        super
        # poi 3차원 형태 인스턴스
        @component = nil
        @poi_type1 = 'NONE'
        @poi_type2 = 'NONE'
        @poi_type3 = 'NONE'
        @position = Geom::Point3d.new
      end

      # def get_poi_type_name
      #   @@poi_type_names[@poi_type]
      # end
    end

    class IndoorGmlEntitiesObserver < Sketchup::EntitiesObserver
      MAIN = UNES::IndoorGmlModeler

      def onElementAdded(entities, entity)
        return if entity.deleted?

        puts "onElementAdded: #{entity.entityID}"

        return if MAIN.deleted_cells.nil? || MAIN.deleted_cells.empty?

        cell = MAIN.deleted_cells[entity.entityID]

        return if cell.nil?

        restore_cell(entity, cell)

        node_component = cell.group.entities.select { |e| e.entityID == cell.node.component_id }

        node = MAIN.deleted_nodes[node_component[0].entityID]

        return if node.nil?

        restore_node(node_component[0], node)
      end

      def restore_cell(entity, cell)
        puts cell
        MAIN.cells.push(cell) unless cell.nil?
        puts "cell count:#{MAIN.cells.length}"
        MAIN.deleted_cells.delete(entity.entityID)
        cell.group = entity
      end

      def restore_node(entity, node)
        puts node
        MAIN.nodes.push(node) unless node.nil?
        puts "node count:#{MAIN.nodes.length}"
        MAIN.deleted_nodes.delete(entity.entityID)
        node.component = entity
      end

      def onElementModified(entities, entity)
        puts "onElementModified: #{entity.entityID }"
      end

      def onElementRemoved(entities, entity_id)
        puts "onElementRemoved: #{entity_id}"

        cell = MAIN.cells.select { |c| c.group.deleted? }

        return if cell.nil? || cell.empty?

        if cell.is_a?(Array)
          cell.each do |c|
            deleteCell(entity_id, c)
          end
        else
          deleteCell(entity_id, cell)
        end

        node = MAIN.nodes.select { |n| n.component.deleted? }

        return if node.nil?

        if node.is_a?(Array)
          node.each do |n|
            deleteNode(n.component_id, n)
          end
        else
          deleteNode(n.component_id, node)
        end
      end

      def deleteCell(entity_id, cell)
        puts cell
        MAIN.cells.delete(cell) unless cell.nil?
        puts "cell count:#{MAIN.cells.length}"
        MAIN.deleted_cells[entity_id] = cell
      end

      def deleteNode(entity_id, node)
        puts node
        # delete link
        links = MAIN.get_links_by_node(node)

        links.each do |l|
          MAIN.links.delete(l)

          entities = Sketchup.active_model.active_entities          
          entities.erase_entities l.line unless l.line.deleted?
          l.line = nil
        end

        MAIN.nodes.delete(node) unless node.nil?
        puts "node count:#{MAIN.nodes.length}"
        MAIN.deleted_nodes[entity_id] = node
      end
    end

    class CellObserver < Sketchup::EntityObserver
      MAIN = UNES::IndoorGmlModeler

      def onChangeEntity(entity)
        return if entity.deleted?

        return unless entity.is_a?(Sketchup::Group)

        cell = MAIN.find_cell_by_group_id entity.entityID

        MAIN.links.each do |l|
          l.update_line if l.node1 == cell.node

          l.update_line if l.node2 == cell.node
        end
      end
    end

    class NodeObserver <  Sketchup::EntityObserver
      MAIN = UNES::IndoorGmlModeler

      def onChangeEntity(entity)
        return if entity.deleted?

        return unless entity.is_a?(Sketchup::ComponentInstance)

        node = MAIN.finde_node_by_component_id(entity.entityID)

        return if node.nil?

        MAIN.links.each do |l|
          l.update_line if l.node1 == node

          l.update_line if l.node2 == node
        end
      end
    end

    class SelectionChangeObserver < Sketchup::SelectionObserver
      MAIN = UNES::IndoorGmlModeler

      def onSelectionAdded(selection, _entity)
        MAIN.on_selection_change(selection)
      end

      def onSelectionBulkChange(selection)
        MAIN.on_selection_change(selection)
      end

      def onSelectionCleared(selection)
        MAIN.on_selection_change(selection)
      end

      def onSelectionRemoved(selection, _entity)
        MAIN.on_selection_change(selection)
      end

      def onSelectedRemoved(selection, _entity)
        MAIN.on_selection_change(selection)
      end
    end

    class AppObserver < Sketchup::AppObserver
      MAIN = UNES::IndoorGmlModeler

      def onNewModel(model)
        observe_model(model)
      end

      def onOpenModel(model)
        observe_model(model)
      end

      def expectsStartupModelNotifications
        true
      end

      private

      def observe_model(model)
        model.selection.add_observer(SelectionChangeObserver.new)
        model.entities.add_observer(IndoorGmlEntitiesObserver.new)
        MAIN.clean_variables
        MAIN.update_materials
      end
    end

    class << self
      attr_reader :cells
      attr_writer :cells
      attr_accessor :nodes
      attr_reader :doors
      attr_writer :doors
      attr_reader :links
      attr_writer :links
      attr_accessor :deleted_cells
      attr_accessor :deleted_nodes
      attr_accessor :deleted_links

      attr_reader :edit_mode
      attr_writer :edit_mode

      def initialize_data
        @command = UI::Command.new('MainTool') do
          begin
            Sketchup.active_model.select_tool(MainTool.new)
          rescue StandardError => e
            puts e.message
            puts e.backtrace
          end
        end

        clean_variables
      end

      def clean_variables
        @nodes = []
        @links = []
        @cells = []
        @doors = []
        @pois = []
        @model = Sketchup.active_model
        @cell_creation_count = 0
        @door_creation_count = 0
        @node_creation_count = 0
        @link_creation_count = 0
        @poi_creation_count = 0
        @floor_creation_count = 0
        @edit_mode = EditMode::NONE
        @building = Building.new

        # 삭제된 cell,node들 (unde/redo 대책)
        # key는 entityID
        @deleted_cells = {}
        @deleted_nodes = {}
        @deleted_links = {}

        floor = Floor.new(3.5 / 1.to_m, 0) # 1층
        floor.name = @name = "Floor#{@floor_creation_count}"
        @floor_creation_count += 1
        @building.floors.push floor
      end

      def update_materials
        materials = Sketchup.active_model.materials
        @cell_material = materials.add('indoor_cell')
        @cell_material.color = Sketchup::Color.new('red')
        @cell_material.alpha = 0.3
        @stair_material = materials.add('indoor_stair')
        @stair_material.color = Sketchup::Color.new('yellow')
        @stair_material.alpha = 0.3
        @door_material = materials.add('indoor_door')
        @door_material.color = Sketchup::Color.new('green')
        @door_material.alpha = 0.8
        @node_material = materials.add('indoor_link')
        @node_material.color = Sketchup::Color.new('blue')
      end

      def create_link(node1, node2)
        return nil if is_link_exist(node1, node2)

        link = Link.new
        link.node1 = node1
        link.node2 = node2

        return false if node1.component.deleted?

        point1 = node1.component.bounds.center

        point1 = point1.transform(node1.parent.group.transformation) if node1.parent.is_a?(Cell)

        return false if node2.component.deleted?

        point2 = node2.component.bounds.center

        point2 = point2.transform(node2.parent.group.transformation) if node2.parent.is_a?(Cell)

        entities = @model.active_entities
        link.line = entities.add_cline(point1, point2)

        link
      end

      def get_link(node1,node2)
        @links.each do |l|
          return l if l.isSame(node1, node2)
        end

        nil
      end

      def get_links_by_node(node)
        node_links = []

        @links.each do |l|
          if l.node1.id == node.id || l.node2.id == node.id
            node_links.push(l)
          end
        end

        node_links
      end

      def get_links_by_id(node_id1, node_id2)
        node_links = []

        @links.each do |l|
          if (l.node1.id == node_id1 && l.node2.id == node_id2) || (l.node1.id == node_id2 && l.node2.id == node_id1)
            node_links.push(l)
          end
        end

        node_links
      end

      def is_link_exist(node1, node2)
        @links.each do |l|
          return true if l.isSame(node1, node2)
        end

        false
      end

      # TODO: 함수가 너무 길어서 줄여야 할듯.
      # TODO: You shoude shorten this function.
      def create_cell(entity)
        cell = nil
        if entity.is_a?(Sketchup::Face)
          unless is_cell_exist(entity)
            cell = Cell.new
            all_connected = entity.all_connected
            all_connected.push entity
            group = Sketchup.active_model.entities.add_group all_connected

            unless group.manifold?
              group.explode
              return nil
            end

            cell.group = group
          end
        elsif entity.is_a?(Sketchup::Group)
          cell = get_cell(entity)
          if cell.nil?
            cell = Cell.new
            cell.group = entity
          end
        elsif entity.is_a?(Sketchup::ComponentInstance)
          cell = get_cell(entity)
          if cell.nil?
            cell = Cell.new
            cell.group = entity
          end
        end

        unless cell.nil?
          cell.name = 'cell_' + @cell_creation_count.to_s
          node = create_node(cell)

          #group_name = cell.group.name

          # node를 cell 그룹에 추가
          # add node to cell group
          a = (cell.group.explode.find_all { |e| e if e.respond_to?(:bounds) }).uniq
          a.push node.component
          group = Sketchup.active_model.entities.add_group a
          cell.group = group
          cell.group_id = group.entityID
          cell.node = node
          # cell.group.name = "#{cell.name}@@@#{cell.id}"
          #cell.group.name = group_name
          cell.group.material = @cell_material

          cell.group.name = cell.name if cell.group.name.length.zero?

          a.each do |e|
            e.material = @cell_material if e.is_a?(Sketchup::Face)
          end

          cell.group.add_observer(CellObserver.new)
          @cell_creation_count += 1

          @cells.push(cell)
        end

        # node link 갱신
        # update node-link
        # space cell 이라고 해도 옆에 door나 stair cell이 있을 경우 처리를 해야 하기 때문에 호출 해야 한다.
        # You shoude call 'update_all_nodes' even if cell type is SPACE. because, There are another door or stair cells.
        update_all_nodes

        cell
      end

      # 모든 node-link를 갱신한다. door의 경우 인접 cell과 연결한다.
      # Update all node-links. If cell type is a door, link adjacented cells
      def update_all_nodes
        @nodes.each do |n|
          next unless n.parent.is_a?(Cell)

          result = get_intersected_cells_from_node(n) if n.parent.cell_type == CellType::DOOR
          result = get_vertical_intersected_cells_from_node(n) if n.parent.cell_type == CellType::STAIR

          next if result.nil?

          result.each do |c|
            # link가 존재하지 않는다면 link를 생성
            next if is_link_exist(c.node, n)

            link = create_link c.node, n

            @links.push link unless link.nil?
          end
        end
      end

      def get_vertical_intersected_cells_from_node(node)
        intersected = []

        @cells.each do |c|
          next if c == node.parent

          result = c.group.bounds.intersect(node.parent.group.bounds)

          puts "#{result.depth},#{result.diagonal},#{result.width},#{result.height}" unless result.empty?

          intersected.push c if !result.empty? && result.depth.to_f == 0.0
        end

        intersected
      end

      def get_intersected_cells_from_node(node)
        intersected = []

        @cells.each do |c|
          next if c == node.parent

          result = c.group.bounds.intersect(node.parent.group.bounds)

          puts "#{result.depth},#{result.diagonal},#{result.width},#{result.height}" unless result.empty?

          intersected.push c unless result.empty?
        end

        intersected
      end

      def find_cell_by_group_id(entityID)
        @cells.each do |c|
          next if c.group.deleted?
          return c if c.group.entityID == entityID
        end

        nil
      end

      def finde_node_by_component_id(entity_id)
        @nodes.each do |n|
          next if n.component.deleted?
          return n if n.component.entityID == entity_id
        end

        nil
      end

      def create_node(element)
        nil if element.nil?

        center = nil

        center = element.group.bounds.center if element.is_a?(Cell)

        if element.is_a?(Door)
          center = element.group.bounds.center if element.face.nil? && !element.group.nil?
          center = element.face.bounds.center if element.group.nil? && !element.face.nil?
        end

        # component instance를 반환

        instance = create_sphere(center, 0.25 / 1.to_m, @node_material)
        node = Node.new
        node.name = 'node_' + @node_creation_count.to_s
        node.parent = element
        element.node = node
        node.component = instance
        node.component_id = instance.entityID
        node.position = center
        node.component.add_observer(NodeObserver.new)

        @node_creation_count += 1
        @nodes.push(node)
        node
      end

      def is_cell_exist(face)
        cell_exist = false

        @cells.each do |c|
          if c.has_entity face
            cell_exist = true
            break
          end
        end

        cell_exist
      end

      # group에서 cell을 가져온다 없으면 nil
      def get_cell(group)
        @cells.each do |c|
          return c if c.group == group
        end

        nil
      end

      # id로 cell을 가져온다.
      def get_cell_by_id(id)
        @cells.each do |c|
          return c if c.id == id
        end

        nil
      end

      # name으로 cell을 가져온다. 중복되었으면 첫번째만
      def get_cell_by_name(name)
        @cells.each do |c|
          return c if c.name == name
        end

        nil
      end
      

      # id로 poi를 가져온다.
      def get_poi_by_id(id)
        @pois.each do |p|
          return p if p.id == id
        end

        nil
      end

      # ide로 node를 가져온다.
      def get_node_by_id(id)
        @nodes.each do |n|
          return n if n.id == id
        end

        nil
      end

      # 이름으로 node를 가져온다.
      def get_node_by_name(name)
        @nodes.each do |n|
          return n if n.name == name
        end

        nil
      end

      def get_node(component)
        @nodes.each do |n|
          return n if n.component == component
        end

        nil
      end

      # group 혹은 componentInstance에서 poi를 생성한다.
      def create_poi(entity)
        if entity.is_a?(Sketchup::ComponentInstance)
          if get_poi(entity).nil?
            poi = Poi.new
            poi.name = 'poi_' + @poi_creation_count.to_s
            @poi_creation_count += 1
            poi.component = entity
            poi.position = entity.bounds.center
            @pois.push poi
            return poi
          end
        end

        nil
      end

      # group 혹은 componentInstance에서 poi를 가져온다 없으면 nil
      def get_poi(entity)
        @pois.each do |p|
          return p if p.component == entity
        end

        nil
      end

      # group에서 문을 생성한다.
      def create_door_from_group(group)
        # group이 이미 door인지 check
        door = get_door(group)

        return door unless door.nil?

        door = Door.new
        door.group = group
        door.face = nil
        door.name = 'door' + @door_creation_count.to_s
        @door_creation_count += 1
        @doors.push door

        group.material = @door_material

        node = create_node(door)

        @cells.each do |c|
          next unless group.bounds.intersect(c.group.bounds).empty? == false

          c.doors.push door
          puts "cell:#{c.name} add door:#{door.name}"
          link = create_link door.node, c.node

          @links.push link unless link.nil?
        end
        door
      end

      # face에서 문을 생성한다.
      def create_door(face)
        if face.is_a?(Sketchup::Group)
          return create_door_from_group(face)
        end

        # face가 이미 door인지 check
        door = get_door(face)

        return door unless door.nil?

        door = Door.new
        door.face = face
        door.face_vertices = face.outer_loop.vertices
        # observer = DoorObserver.new
        observer.door = door
        door.face.add_observer(observer)
        door.name = 'door' + @door_creation_count.to_s
        @door_creation_count += 1
        @doors.push door

        face.material = @door_material

        node = create_node(door)

        @cells.each do |c|
          next unless node.component.bounds.intersect(c.group.bounds).empty? == false

          c.doors.push door
          puts "cell:#{c.name} add door:#{door.name}"
          link = create_link door.node, c.node

          @links.push link unless link.nil?
        end

        door
      end

      def get_door(entity)
        if entity.is_a?(Sketchup::Group)
          @doors.each do |d|
            return d if d.group == entity
          end
        elsif entity.is_a?(Sketchup::Face)
          @doors.each do |d|
            return d if d.face == entity
          end
        end

        nil
      end

      # face가 그룹의 어떤 face 안에 포함되는지 판별
      def get_face_layon_group(group, face)
        positions = []

        face.vertices.each do |v|
          positions.push v.position
        end

        result = false

        group.entities.each do |f|
          next unless f.is_a?(Sketchup::Face)

          is_face_layon = true

          positions.each do |pt|
            # pt를 그룹내의 상대좌표로 바꿔야 한다.
            pt = pt.transform(group.transformation.inverse)
            result = f.classify_point(pt)
            puts resul
            if result == Sketchup::Face::PointUnknown || result == Sketchup::Face::PointNotOnPlane || result == Sketchup::Face::PointOutside
              is_face_layon = false
            end
          end

          return f if is_face_layon
        end

        nil
      end

      def on_selection_change(_selection)
        # puts "selected:#{selection}"
        update_dialog
      end

      # create dialog

      def create_dialog(url)
        html_file = File.join(__dir__, 'html_template', url)
        puts "edit mode:#{@edit_mode}"

        width = 540
        height = 620
        case @edit_mode
        when EditMode::CELL
          width = 540
          height = 620
        when EditMode::NODE
          width = 520
          height = 700
        when EditMode::POI
          width = 520
          height = 654
        else
          width = 540
          height = 620
        end

        options = {
          dialog_title: 'IndoorGml Modeler',
          preferences_key: 'unes.indoorgml.modeler',
          style: UI::HtmlDialog::STYLE_DIALOG,
          # Set a fixed size now that we know the content size.
          resizable: true,
          width: width,
          height: height
        }

        unless @dialog.nil?
          @dialog.close
          @dialog = nil
        end

        dialog = UI::HtmlDialog.new(options)
        dialog.set_size(options[:width], options[:height]) # Ensure size is set.
        dialog.set_file(html_file)
        dialog.center
        dialog
      end

      def show_dialog
        case @edit_mode
        when EditMode::CELL
          @dialog = create_dialog('cell.html')
        when EditMode::DOOR
          @dialog = create_dialog('cell.html') # door.html 안씀
        when EditMode::NODE
          @dialog = create_dialog('node.html')
        when EditMode::POI
          @dialog = create_dialog('poi.html')
        when EditMode::VALIDATION
          @dialog = create_dialog('validation.html')
        else
          puts 'show dialog error'
        end

        # @dialog ||= create_dialog
        @dialog.add_action_callback('ready') do |_action_context|
          update_dialog
          nil
        end

        

        @dialog.add_action_callback('createCell') do |_action_context, _value|
          entity = Sketchup.active_model.selection.first
          if entity.is_a?(Sketchup::Face) || entity.is_a?(Sketchup::Group) || entity.is_a?(Sketchup::ComponentInstance)
            cell = create_cell(entity) 
            unless cell.nil?
              Sketchup.active_model.selection.clear
              Sketchup.active_model.selection.add cell.group
              update_dialog
            end
          end
        end

        @dialog.add_action_callback('createDoor') do |_action_context, _value|
          entity = Sketchup.active_model.selection.first
          if entity.is_a?(Sketchup::Face) || entity.is_a?(Sketchup::Group)
            puts "create door:#{entity}"
            create_door(entity)
          end
          nil
        end

        @dialog.add_action_callback('createNode') do |_action_context, _value|
          entity = Sketchup.active_model.selection.first

          # if entity.is_a?(Sketchup::Face)
          #     create_node(entity)
          # end

          nil
        end

        @dialog.add_action_callback('createPoi') do |_action_context, _value|
          entity = Sketchup.active_model.selection.first
          poi = create_poi(entity) if entity.is_a?(Sketchup::ComponentInstance)

          unless poi.nil?
            puts 'poi created'
            Sketchup.active_model.selection.clear
            Sketchup.active_model.selection.add poi.component
            update_dialog
          end

          nil
        end
        @dialog.add_action_callback('cancel') do |_action_context, _value|
          @dialog.close
          nil
        end
        @dialog.add_action_callback('save') do |_action_context, _value|
          export_indoorgml
          nil
        end
        @dialog.add_action_callback('validate') do |_action_context, _value|
          validate_indoorgml(_value)
          nil
        end        
        @dialog.add_action_callback('read') do |_action_context, _value|
          indoorgml_import
          nil
        end
        @dialog.add_action_callback('showThisCellOnly') do |_action_context, _value|``
          entity = Sketchup.active_model.selection.first

          show_this_cell_only(entity) if entity.is_a?(Sketchup::Group)
        end
        @dialog.add_action_callback('createFloorLayer') do |_action_context, value|
          puts value
          create_floor_layer(value)
        end
        @dialog.add_action_callback('updateCellName') do |_action_context, value|
        end

        @dialog.add_action_callback('updateCellGroup') do |_action_context, value|
        end

        @dialog.add_action_callback('deleteLink') do |_action_context, value|
          puts value
          ids = value.split('_', -1)
          puts ids
          if ids.length == 2
            links = get_links_by_id(ids[0], ids[2])
            
            @links.delete(links[0]) if links.length > 0
            puts "#{link[0]} deleted"
            update_dialog
          end
        end

        # cell data를 html dialog에서 받아서 업데이트 한다.
        @dialog.add_action_callback('updateCell') do |_action_context, value1|
          value1.each do |d|
            puts d
          end

          update_cell(value1)
          update_cell_dialog_grid
        end

        @dialog.add_action_callback('selectCell') do |_action_context, value1|
          cell = get_cell_by_id(value1)

          unless cell.nil?
            Sketchup.active_model.selection.clear
            Sketchup.active_model.selection.add cell.group
          end
        end

        @dialog.add_action_callback('selectNode') do |_action_context, value1|
          node = get_node_by_id(value1)

          unless node.nil?
            Sketchup.active_model.selection.clear
            Sketchup.active_model.selection.add node.component
          end
        end

        @dialog.add_action_callback('selectPoi') do |_action_context, value1|
          poi = get_poi_by_id(value1)

          unless poi.nil?
            Sketchup.active_model.selection.clear
            Sketchup.active_model.selection.add poi.component
          end
        end

         # node data를 html dialog에서 받아서 업데이트 한다.
         @dialog.add_action_callback('updateNode') do |_action_context, value1|
          value1.each do |d|
            puts d
         end

          update_node(value1)
          update_node_dialog_grid
        end

        # poi data를 html dialog에서 받아서 업데이트 한다.
        @dialog.add_action_callback('updatePoi') do |_action_context, value1|
          value1.each do |d|
            puts d
          end

          update_poi(value1)
          update_poi_dialog_grid
        end

        @dialog.add_action_callback('setPoiVisibility') do |_action_context, value|
          @pois.each do |p|
            p.component.hidden = true?(value)
          end
        end

        @dialog.add_action_callback('setInvalidFeaturesVisibility') do |_action_context, value1, value2|
          puts value1

          if !true?(value2) # hide all except invalid features
            @cells.each do |c|
              c.group.hidden = true
              value1.each do |v|
                if c.group.name == v
                  c.group.hidden = false
                end
              end
            end
          else # show all
            @cells.each do |c|
              c.group.hidden = false
            end
          end
        end

        @dialog.add_action_callback('setFeaturesVisibility') do |_action_context, value|
          @pois.each do |p|
            p.component.hidden = true?(value)
          end
        end

        @dialog.add_action_callback('setCellVisibility') do |_action_context, value|
          @cells.each do |c|
            c.group.hidden = true?(value)
          end
        end

        @dialog.add_action_callback('setNodeVisibility') do |_action_context, value|
          @nodes.each do |n|
            n.component.hidden = true?(value)
          end
        end

        @dialog.add_action_callback('setLinkVisibility') do |_action_context, value|
          @links.each do |l|
            l.line.hidden = true?(value)
          end
        end

        @dialog.add_action_callback('gotoEntity') do |_action_context, value|
          cell = get_cell_by_name(value)

          if cell.nil?
            puts "can't find cell"
          end
          unless cell.nil?
            Sketchup.active_model.selection.clear
            Sketchup.active_model.selection.add cell.group

            bounds = cell.group.bounds
            target = bounds.center
            max = [bounds.width, bounds.height].max

            # eye = target + [500, 500, 500]
            eye = target + [max * 0.5, max * 0.5, max * 0.5]
            up = [0, 0, 1]
            my_camera = Sketchup::Camera.new eye, target, up

            # Get a handle to the current view and change its camera.
            view = Sketchup.active_model.active_view
            view.camera = my_camera
          end
        end

        # @dialog.add_action_callback('requestLinkInfo') do |_action_context, value|
        #   node = get_node_by_name(value)

        #   return if node.nil?

        #   nodeLinks = get_links_by_node(node)

        #   link_hash = []

        #   # links.each가 안먹음 

        #   i = 0

        #   while i < nodeLinks.length() do
        #     link_hash.push(nodeLinks[i].to_hash)
        #     i += 1
        #   end

        #   # for i in nodeLinks
        #   #   link_hash.push(i.to_hash)
        #   # end

        #   # links.each do |ln|
        #   #   link_hash.push(ln.to_hash)
        #   # end

        #   puts link_hash
        #   @dialog.execute_script("updateLinkGrid(#{link_hash})")
        # end

        @dialog.add_action_callback('updateLink') do |_action_context, value1, value2|
          update_link_line(value1, value2)
        end

        @dialog.show
      end

      def true?(obj)
        return true if obj.to_s.downcase == 'true'

        false
      end

      def update_link_line(nodeName1, nodeName2)
        entity = Sketchup.active_model.selection.first

        if entity.nil? 
          UI.messagebox('먼저 링크로 지정할 라인을 선택해주세요.')
          return
        end

        if entity.is_a?(Edge)
          entity.all_connected.each do |e|
           unless e.is_a?(Edge)
            UI.messagebox('라인만 가능합니다.')
            return
           end
          end
        end

        node1 = get_node_by_name(nodeName1)
        node2 = get_node_by_name(nodeName2)

        return if node1.nil? || node2.nil?

        link = get_link(node1, node2)

        return if link.nil?

        link.line = entity.all_connected

        UI.messagebox('링크가 업데이트 되었습니다.')
      end

      def update_node(node_hash)
        name = node_hash['name']
        visible = true?(node_hash['nodeVisible'])
        node_type = node_hash['nodeType']
        id = node_hash['id']

        @nodes.each do |n|
          next unless n.id == id

          n.name = name;
          n.component.visible = visible
          n.node_type = node_type

          x = node_hash['x'].to_f
          y = node_hash['y'].to_f
          z = node_hash['z'].to_f

          new_transformation = Geom::Transformation.new([x, y, z])
          n.position = Geom::Point3d.new(x, y, z)

          n.component.transformation = new_transformation
        end
      end

      def update_poi(poi_hash)
        name = poi_hash['name']
        visible = true?(poi_hash['poiVisible'])
        type1 = poi_hash['type1']
        type2 = poi_hash['type2']
        type3 = poi_hash['type3']
        id = poi_hash['id']

        @pois.each do |p|
          next unless p.id == id

          p.name = name;
          p.component.visible = visible
          p.poi_type1 = type1
          p.poi_type2 = type2
          p.poi_type3 = type3

          x = poi_hash['x'].to_f
          y = poi_hash['y'].to_f
          z = poi_hash['z'].to_f

          new_transformation = Geom::Transformation.new([x, y, z])
          p.position = Geom::Point3d.new(x, y, z)

          p.component.transformation = new_transformation
        end
      end

      def select_poi(id)
      end

      # cell 의 type 등을 업데이트 한다.
      # TODO: group을 layer로 처리하게 할것
      def update_cell(cell_hash)
        # layer = cell_hash['group']
        name = cell_hash['name']
        visible = true?(cell_hash['visible'])
        cell_type = Cell.get_cell_type_by_name(cell_hash['type'].upcase)

        # selection = cell_hash['selection']
        id = cell_hash['id']

        @cells.each do |c|
          next unless c.id == id

          # c.layer = layer
          update_cell_type(cell_type, c)

          c.name = name
          c.group.visible = visible
          break
        end

        update_all_nodes if cell_type == CellType::DOOR || cell_type == CellType::STAIR
      end

      def update_cell_type(cell_type, c)
        c.cell_type = cell_type if cell_type != -1

        if cell_type == CellType::DOOR
          #door일 경우 색상 변경
          c.group.material = @door_material
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)
            e.material = @door_material
          end
        elsif cell_type == CellType::STAIR
          c.group.material = @stair_material
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)

            e.material = @stair_material
          end
        else
          #아닐 경우 색상 cell로 복원
          c.group.material = @cell_material
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)

            e.material = @cell_material
          end
        end
      end

      def create_floor_layer(floorHash)
        layers = @model.layers
        floorName = floorHash['name']
        new_layer = layers.add "floor layer:#{floorName}"

        @building.floors.each do |f|
          next unless f.name == floorName

          @cells.each do |c|
            c.group.layer = new_layer if f.is_in c.group
          end

          @doors.each do |d|
            next unless f.is_in d.face

            d.face.all_connected.each do |e|
              e.layer = new_layer if e.is_a?(Drawingelement)
            end
          end

          @nodes.each do |n|
            group = nil

            group = n.parent.group if n.parent.is_a?(Cell)

            n.component.layer = new_layer if f.is_in n.component
          end
        end
      end

      def show_this_cell_only(entity)
        cell = get_cell(entity)

        nil if cell.nil?

        cell_Entities = []

        cell_Entities.push entity

        puts "cell doors:#{cell.doors.length}"

        cell.doors.each do |d|

          if d.face == nil && d.group != nil
            cell_Entities.push d.group
          elsif d.face != nil && d.group == nil
            cell_Entities.push d.face

            d.face.edges.each do |e|
              cell_Entities.push e
            end
          end

          puts "cell has door:#{d.name}"
        end

        puts "cell_entitis:#{cell_Entities.length}"

        unless cell.nil?
          entities = @model.entities

          entities.each do |e|
            e.hidden = true if cell_Entities.find_index(e).nil? && e.is_a?(Drawingelement)
          end
        end
      end

      def save_indoorgml; end     
      
      
      def cell_to_hash(cell)
        return nil if cell.nil?
        {
          id: cell.id,
          name: cell.name,
          type: cell.get_cell_type_name,
          group: cell.layer,
          visible: cell.group.visible?
        }
      end

      def door_to_hash(door)
        return nil if door.nil?

        {
          name: door.name,
          type: door.get_door_type_name
        }
      end

      def node_to_hash(node)
        return nil if node.nil?

        {
          id: node.id,
          name: node.name,
          type: node.node_type,
          group: node.component.layer.name,
          x: node.component.transformation.origin.x.to_f,
          y: node.component.transformation.origin.y.to_f,
          z: node.component.transformation.origin.z.to_f,
          nodeVisible: node.component.visible?,
          lat: node.anchor.position.x.to_f,
          lon: node.anchor.position.y.to_f,
          rotation: node.anchor.rotation.to_f
        }
      end

      def poi_to_hash(poi)
        return nil if poi.nil?

        {
          id: poi.id,
          name: poi.name,
          type1: poi.poi_type1,
          type2: poi.poi_type2,
          type3: poi.poi_type3,
          x: poi.component.transformation.origin.x.to_f,
          y: poi.component.transformation.origin.y.to_f,
          z: poi.component.transformation.origin.z.to_f,
          poiVisible: poi.component.visible?
        }
      end

      def create_sphere(center, radius, material)
        model = Sketchup.active_model # why keep switching between model and

        # create operation, which can be undone
        # model.start_operation "Sphere"
        compdef = Sketchup.active_model.definitions.add # needed 's'

        # multiple places show confusion between an Entity and its Entities collection
        ents = compdef.entities

        circle = ents.add_circle center, [0, 0, 1], radius
        circle_face = ents.add_face circle

        circle_face.material = material
        path = ents.add_circle center, [0, 1, 0], radius + 1

        circle_face.followme path
        ents.erase_entities path

        trans = Geom::Transformation.new
        instance = Sketchup.active_model.active_entities.add_instance(compdef, trans)
        instance.material = material

        # model.commit_operation

        instance
      end

      # Cell, door, node, link를 자동 생성
      def create_all
        puts 'Start Time:   ' + Time.now.to_s
        # cell 생성
        entities = @model.active_entities

        # face와 Group만 옮긴다. (entities를 직접 쓰면 entity가 도중에 추가 되었을 경우 에러 발생)
        faceAndGroups = []

        entities.each do |e|
          faceAndGroups.push e if e.is_a?(Sketchup::Face) || e.is_a?(Sketchup::Group) || e.is_a?(Sketchup::ComponentInstance)
        end

        counter = 0
        faceAndGroups.each do |fg|
          if fg.is_a?(Sketchup::ComponentInstance)
            if fg.layer.name.include?("RM")
              create_cell(fg) if !fg.deleted? && !fg.hidden?
            else
              fg.hidden = true
            end
          else
            create_cell(fg) if !fg.deleted? && !fg.hidden?
          end      
          # puts 'create_cell ' + counter + ' ' + faceAndGroups.length() + '\n'
          counter += 1  
        end
        puts 'create_cell Time:   ' + Time.now.to_s
        # door 생성
        # entities 갱신
        entities = @model.active_entities

        faces = []

        # face 만 array로 옮긴다. (entities를 직접 쓰면 entity가 도중에 추가 되었을 경우 에러 발생)
        entities.each do |e|
          faces.push e if e.is_a?(Sketchup::Face)
        end

        faces.each do |f|
          @cells.each do |c|
            unless c.group.deleted?
              group_face = get_face_layon_group c.group, f
              create_door f unless group_face.nil?
            end
          end
        end

        puts 'create_door Time:   ' + Time.now.to_s
        # node link 갱신
        @nodes.each do |n|
          next unless n.parent.is_a?(Cell)

          result = get_intersected_cells(n.parent)

          result.each do |c|
            # link가 존재하지 않는다면 link를 생성
            next if is_link_exist(c.node, n)

            link = create_link c.node, n

            @links.push link unless link.nil?
          end
        end

        puts 'Node link Time:   ' + Time.now.to_s
      end

      # 겹쳐진 cell 찾기
      def get_intersected_cells(cell)
        intersected = []

        @cells.each do |c|
          result = c.group.bounds.intersect(cell.group.bounds)

          intersected.push c unless result.empty?
        end

        intersected
      end

      # group가 door이 될수 있는지 판별
      def can_transform_door(group); end

      # 모든 indoorgml element를 삭제한다 (Node와 link를 제외한 geometry 객체는 삭제하지 않는다.)
      def clear_all
        @cells.each do |c|
        end
      end

      # 선택된 객체의 정보를 dialog로 업데이트 한다.
      def update_dialog
        return if @dialog.nil?

        # cell_data = nil
        model = Sketchup.active_model

        if model.selection.size == 1
          entity = model.selection.first

          case @edit_mode
          when EditMode::CELL
            update_cell_dialog(entity)
          when EditMode::NODE
            update_node_dialog(entity)
          when EditMode::POI
            update_poi_dialog(entity)
          # when EditMode::DOOR
          #   if entity.is_a?(Sketchup::Face) || entity.is_a?(Sketchup::Group)
          #     door = get_door(entity) # face가 이미 door일 경우 존재하는 door를 반환한다.
          #     puts door
          #     door_data = door_to_hash(door)
          #     json = door_data ? JSON.pretty_generate(door_data) : 'null'
          #     puts json
          #     @dialog.execute_script("updateDoor(#{json})")
          #   else
          #     json = 'null'
          #     @dialog.execute_script("updateDoor(#{json})")
          #   end
          when EditMode::FLOOR
            floor_data = @building.to_hash
            json = floor_data ? JSON.pretty_generate(floor_data) : 'null'
            @dialog.execute_script("updateFloor(#{json})")
          end
        end
        
      end
      #update_dialog end

      def update_poi_dialog(entity)
        if entity.is_a?(Sketchup::ComponentInstance)

          update_poi_dialog_grid

          poi = get_poi(entity)
          poi_data = poi_to_hash(poi)

          json = poi_data ? JSON.pretty_generate(poi_data) : 'null'
          @dialog.execute_script("updatePoiDialogProperty(#{json})")              
        else
          json = ''
          @dialog.execute_script("updatePoiDialogProperty(#{json})")
        end
      end

      def update_poi_dialog_grid
        poi_hash = []

        @pois.each do |p|
          poi_hash.push(poi_to_hash(p))
        end

        json2 = poi_hash ? JSON.pretty_generate(poi_hash) : 'null'
        @dialog.execute_script("updatePoiGrid(#{json2})")
      end

      def update_node_dialog(entity)
        if entity.is_a?(Sketchup::ComponentInstance)

          node = get_node(entity)

          return if node.nil?

          puts "node:#{node}"

          node_data = node_to_hash(node)
          json = node ? JSON.pretty_generate(node_data) : 'null'
          @dialog.execute_script("updateNodeDialogProperty(#{json})")

          update_node_dialog_grid

          link_hash = []
          @links.each do |l|
            link_hash.push(l.to_hash)
          end
          json3 = link_hash ? JSON.pretty_generate(link_hash) : 'null'
          @dialog.execute_script("updateLink(#{json3})")
        else
          json = ''
          @dialog.execute_script("updateNodeDialogProperty(#{json})")
          update_node_dialog_grid
        end
      end

      def update_node_dialog_grid
        node_hash = []

        @nodes.each do |n|
          node_hash.push(node_to_hash(n))
        end

        json2 = node_hash ? JSON.pretty_generate(node_hash) : 'null'
        @dialog.execute_script("updateNodeGrid(#{json2})")
      end

      def update_cell_dialog(entity)
        if entity.is_a?(Sketchup::Group)
          cell = get_cell(entity)

          return if cell.nil?

          puts "cell:#{cell}"

          update_cell_dialog_grid

          cell_data = cell_to_hash(cell)
          json = cell_data ? JSON.pretty_generate(cell_data) : 'null'
          puts json

          @dialog.execute_script("updateCellDialogProperty(#{json})")
          # @dialog.execute_script("updateCellDialogProperty(#{cell.id})")
        else
          # 선택 하지 않았을 경우 빈 내용으로 다이얼로그를 만든다.
          json = ''
          @dialog.execute_script("updateCellDialogProperty(#{json})")
        end
      end

      # cell dialog의 grid를 업데이트 한다.
      def update_cell_dialog_grid
        cell_hash = []

        @cells.each do |c|
          cell_hash.push(cell_to_hash(c))
        end

        json2 = cell_hash ? JSON.pretty_generate(cell_hash) : 'null'

        @dialog.execute_script("updateCellGrid(#{json2})")
      end

      def validate_indoorgml(show_result)
        data = +''
        data.concat("version\n")
        data.concat("$$$$\n")
        data.concat("1.0\n")
        data.concat("####\n")

        @cells.each do |c|
          data.concat("cell\n")
          data.concat("$$$$\n")
          data.concat("#{c.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.name}\n")
          data.concat("$$$$\n")          
          data.concat("#{c.get_cell_type_name}\n")
          data.concat("$$$$\n")
          # vertices
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)

            e.outer_loop.vertices.each do |v|
              p = v.position.transform(c.group.transformation)
              # p = v.position
              data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f},")
            end

            p = e.outer_loop.vertices[0].position.transform(c.group.transformation)

            data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}")

            data.concat('*')
          end

          data.concat("\n$$$$\n")
          data.concat("#{c.node.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.node.name}\n")
          data.concat("$$$$\n")
          p = c.node.component.bounds.center.transform(c.group.transformation)
          data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}\n")

          data.concat("$$$$\n")
          @cells.each do |c1|
            data.concat("#{c1.node.name},") if is_link_exist(c.node, c1.node)
          end

          data.concat("\n####\n")
        end

        door_counter = 0;

        @doors.each do |d|
          data.concat("door\n")
          data.concat("$$$$\n")
          data.concat("door_base_#{door_counter}\n")
          data.concat("$$$$\n")
          data.concat("#{d.node.name}\n")
          data.concat("$$$$\n")
          p = d.node.component.bounds.center
          data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f} ")
          data.concat("####\n")
        end

        # puts $data

        base = File.expand_path('../Plugins/validator/', __dir__)
        base.concat('/temp.gml')

        File.write('C:\\Users\\Public\\Documents\\temp_indoorgml.txt', data)
        path = File.expand_path('../Plugins/IndoorGmlConverter/', __dir__)
        path.concat('/IndoorGmlConverter.exe')
        system(path, base)

        validator_path =  File.expand_path('../Plugins/validator/', __dir__)
        report_path = validator_path.dup        
        report_path.concat('/report')

        gml_file_path = validator_path.dup
        gml_file_path.concat('/temp.gml')

        validator_path.concat('/val3dity.exe')

        puts validator_path
        puts report_path
        puts gml_file_path

        system(validator_path, gml_file_path, '--verbose', '-r', report_path)

        sleep(0.5)

        html_file = File.join(__dir__, 'validator/report', 'report.html')

        options = {
          dialog_title: 'Validation result',
          preferences_key: 'unes.indoorgml.modeler',
          style: UI::HtmlDialog::STYLE_DIALOG,
          # Set a fixed size now that we know the content size.
          resizable: true,
          width: 1024,
          height: 768
        }
=begin
        unless @dialog.nil?
          @dialog.close
          @dialog = nil
        end
=end
        if (!show_result.nil? && true?(show_result)) || show_result.nil?
          dialog = UI::HtmlDialog.new(options)
          dialog.set_size(options[:width], options[:height]) # Ensure size is set.
          dialog.set_file(html_file)
          dialog.center
          dialog.show
        end
      end

      def export_indoorgml_ver_1
        base = UI.savepanel('Save IndoorGml File', '~', 'IndoorGml Files|*.gml;||')        
        puts base
        data = + ''

        data.concat("version\n")
        data.concat("$$$$\n")
        data.concat("1.0\n")
        data.concat("####\n")

        # cell 정보 export
        @cells.each do |c|
          data.concat("cell\n")
          data.concat("$$$$\n")
          data.concat("#{c.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.name}\n")
          data.concat("$$$$\n")          
          data.concat("#{c.get_cell_type_name}\n")
          data.concat("$$$$\n")
          # vertices
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)

            e.outer_loop.vertices.each do |v|
              p = v.position.transform(c.group.transformation)
              # p = v.position
              data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f},")
            end

            p = e.outer_loop.vertices[0].position.transform(c.group.transformation)

            data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}")
            data.concat('*')
          end

          data.concat("\n$$$$\n")
          data.concat("#{c.node.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.node.name}\n")
          data.concat("$$$$\n")
          p = c.node.component.bounds.center.transform(c.group.transformation)
          data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}\n")

          data.concat("$$$$\n")
          @cells.each do |c1|
            data.concat("#{c1.node.name},") if is_link_exist(c.node, c1.node)
          end

          data.concat("\n####\n")
        end        

        puts data

        File.write('C:\\Users\\Public\\Documents\\temp_indoorgml.txt', data)

        path = File.expand_path('../Plugins/IndoorGmlConverter/', __dir__)
        path.concat('/IndoorGmlConverter.exe')
        system(path, base)
      end

      def export_indoorgml
        base = UI.savepanel('Save IndoorGml File', '~', 'IndoorGml Files|*.gml;||')
        # basename = File.dirname(base) + '/' + File.basename(base, '.*')

        puts base

        data = +''

        data.concat("version\n")
        data.concat("$$$$\n")
        data.concat("1.0\n")
        data.concat("####\n")

        @cells.each do |c|
          data.concat("cell\n")
          data.concat("$$$$\n")
          data.concat("#{c.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.name}\n")
          data.concat("$$$$\n")          
          data.concat("#{c.get_cell_type_name}\n")
          data.concat("$$$$\n")
          # vertices
          c.group.entities.each do |e|
            next unless e.is_a?(Sketchup::Face)

            e.outer_loop.vertices.each do |v|
              p = v.position.transform(c.group.transformation)
              # p = v.position
              data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f},")
            end

            p = e.outer_loop.vertices[0].position.transform(c.group.transformation)

            data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}")

            data.concat('*')
          end

          data.concat("\n$$$$\n")
          data.concat("#{c.node.id}\n")
          data.concat("$$$$\n")
          data.concat("#{c.node.name}\n")
          data.concat("$$$$\n")
          p = c.node.component.bounds.center.transform(c.group.transformation)
          data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f}\n")

          data.concat("$$$$\n")
          @cells.each do |c1|
            data.concat("#{c1.node.name},") if is_link_exist(c.node, c1.node)
          end

          data.concat("\n####\n")
        end

        door_counter = 0;

        @doors.each do |d|
          data.concat("door\n")
          data.concat("$$$$\n")
          data.concat("door_base_#{door_counter}\n")
          data.concat("$$$$\n")
          # vertices
          # if d.face.nil?
          #   d.group.entities.each do |e|
          #     next unless e.is_a?(Sketchup::Face)
  
          #     e.outer_loop.vertices.each do |v|
          #       p = v.position
          #       data.concat("#{p.x.to_f},#{p.y.to_f},#{p.z.to_f},")
          #     end
          #     data.concat('*')
          #   end
          # elsif d.group.nil?
          #   if d.face.deleted?
          #     d.update_door_face
          #   end

          #   d.face.outer_loop.vertices.each do |v|
          #     p = v.position
          #     data.concat("#{p.x.to_f},#{p.y.to_f},#{p.z.to_f},")
          #   end
          #   # face의 끝
          #   data.concat('*')
          # end          
          #data.concat("$$$$\n")
          data.concat("#{d.node.name}\n")
          data.concat("$$$$\n")
          p = d.node.component.bounds.center
          data.concat("#{p.x.to_f},#{p.z.to_f},#{p.y.to_f} ")

          # @cells.each do |c1|
          #   data.concat(c1.name.to_s) if is_link_exist(c, c1)
          # end

          data.concat("####\n")
        end

        puts data

        File.write('C:\\Users\\Public\\Documents\\temp_indoorgml.txt', data)

        path = File.expand_path('../Plugins/IndoorGmlConverter/', __dir__)
        path.concat('/IndoorGmlConverter.exe')
        system(path, base)
      end

      # MAIN PROCEDURE ------------------------------------------------------------------------
      def indoorgml_import
        return if UI.messagebox('Import IndoorGml file?', MB_YESNO) == IDNO

        Sketchup.file_new
        indoorgml_import_init
        @@model.start_operation('Import IndoorGml File', true)
        indoorgml_import_get_input
        t1 = Time.now
        puts 'Start Time: ' + @@timestamp.to_s
        import_indoor_gml_geometry_ver1
        puts 'Created:    ' + @@poly_count.to_s
        @@model.commit_operation
        puts 'End Time:   ' + Time.now.to_s
        t2 = Time.now
        UI.messagebox("Elapsed time:#{(t2-t1)} sec")
      end

      # INITIALIZE DATA -----------------------------------------------------------------------
      def indoorgml_import_init
        @@model = Sketchup.active_model
        @@timestamp = Time.now
        @@scale = 1.0
        @@unit = 'Custom'
        @@offset_x = 0.0
        @@offset_y = 0.0
        @@offset_z = 0.0
        @@poly_count = 0
        @@display_bb = 'No'
        @@name = @@timestamp.strftime('%Y%m%d%H%M%S')
        @@bbox = []
        @@xnode = {}
        @@ynode = {}
      end

      # GET USER INPUT ------------------------------------------------------------------------
      def indoorgml_import_get_input
        base = UI.openpanel('Select IndoorGml File', '~', 'IndoorGml Files|*.gml;||')
        #        base = UI.openpanel("Select IndoorGml File", "%HOMEPATH%", "IndoorGml Files|*.gml;||")
        #        UI.messagebox(base)
        @@basename = File.dirname(base) + '/' + File.basename(base, '.*')
        #        puts @@basename
        #        UI.messagebox(@@basename)
        puts 'Parsing XML File ...'
        indoorgml_import_get_data
        prompts = ['Name: ', 'Scale: ','Unit:', 'Offset X: ' , 'Offset Y: ' , 'Offset Z: ', 'Display BB: ']
        defaults = [@@name, @@scale, @@unit , @offset_x, @offset_y, @offset_z, 'No']
        list = ['', '', 'Custom|Meter|Centimeter|Milimeter|Inch|Feet', '', '', '', 'No|Yes']
        input = UI.inputbox prompts, defaults, list, 'Enter Import Parameters:'
        @@name = input[0]
        @@scale = input[1].to_f
        @@unit = input[2]
        @@offset_x = input[3].to_f
        @@offset_y = input[4].to_f
        @@offset_z = input[5].to_f
        @@display_bb = input[6]

        if @@unit == 'Meter'
          @@scale = 39.37
        elsif @@unit == 'Centimeter'
          @@scale = 1/2.54
        elsif @@unit == 'Milimeter'
          @@scale = 1/25.4
        elsif @@unit == 'Inch'
          @@scale = 1
        elsif @@unit == 'Feet'
          @@unit == 12
        end


        puts @@offset_x
        puts @@offset_y
        puts @@offset_z
        puts @@scale
      end

      # IMPORT INDOORGML version 1 ------------------------------------------------------------
      def import_indoor_gml_geometry_ver1
        counter = 0
        #        @@model.start_operation("Import IndoorGml File",true)
        if @@xmldoc.elements['.//CellSpace'].nil? && !@@xmldoc.elements['.//core:CellSpace'].nil?
          @@xmldoc.elements.each('.//core:CellSpace') do |csg|
            process_cell_space_ver1 csg
            counter += 1
            puts counter
          end
        elsif !@@xmldoc.elements['.//core:cellSpaceMember'].nil?
          @@xmldoc.elements.each('.//core:cellSpaceMember') do |csg|
            process_cell_space_ver1 csg
            counter += 1
            puts counter
          end
        else
          @@xmldoc.elements.each('.//CellSpace') do |csg|
            process_cell_space_ver1 csg
            counter += 1
            puts counter
          end
        end
      end

      def process_cell_space_ver1 csg
        id = csg.attributes['gml:id']
        name = csg.attributes['gml:name']
        type_name = csg.attributes['gml:type']        

        group = @@model.entities.add_group
        group.name = 'cell_group'
        group.name = id unless id.nil?
        group.name = name unless name.nil?

        csg.elements.each('.//navi:TransitionSpace') do |tss|
          tss.elements.each('.//gml:description') do |des|
            if des.text.include? '=stair'
              type_name = 'STAIR'
            elsif des.text.include? '=door'
              type_name = 'DOOR'
            elsif des.text.include? '=room'
              type_name = 'ROOM'
            end
          end
        end

        csg.elements.each('.//navi:GeneralSpace') do |tss|
          tss.elements.each('.//gml:description') do |des|
            if des.text.include? '=stair'
              type_name = 'STAIR'
            elsif des.text.include? '=door'
              type_name = 'DOOR'
            elsif des.text.include? '=room'
              type_name = 'ROOM'
            end
          end
        end

        puts "type name: #{type_name}"

        csg.elements.each('.//gml:LinearRing') do |csm|
          pts = []
          csm.elements.each('.//gml:pos') do |ps|
            values = ps.text.split(' ')
            if values.length == 3
              # pts.push(Geom::Point3d.new(values[0].to_f * @@scale, values[1].to_f * @@scale, values[2].to_f * @@scale))
              pts.push(Geom::Point3d.new((values[0].to_f- @@offset_x)* @@scale, (values[1].to_f - @@offset_y)* @@scale, (values[2].to_f - @@offset_z) * @@scale))
            end
          end

          begin
            group.entities.add_face(pts)
            @@poly_count += 1
          rescue StandardError => e
            puts e
          else
          ensure
          end
        end

        return if group.nil?

        group.material = Sketchup::Color.new('red')
        group.material.alpha = 0.3

        if type_name == 'DOOR'
          create_door(group)
        elsif group.name.include? 'Door_Base'
          create_door(group)
        elsif group.name.include? 'door_'
          create_door(group)
        else
          cell = create_cell(group)

          return if cell.nil?

          cell.name = name unless name.nil?
          cell_type = Cell.get_cell_type_by_name(type_name)
          cell_type = cell_type == -1 ? CellType::SPACE : cell_type

          update_cell_type(cell_type, cell) unless cell_type == CellType::SPACE          
          update_all_nodes if cell_type == CellType::DOOR || cell_type == CellType::STAIR
        end
      end

      # IMPORT INDOORGML ----------------------------------------------------------------------
      def import_indoor_gml_geometry
        #        @@model.start_operation("Import IndoorGml File",true)
        if @@xmldoc.elements[".//CellSpace"].nil?
          @@xmldoc.elements.each('.//core:CellSpace') do |csg|
            process_cell_space csg
          end
        else
          @@xmldoc.elements.each('.//CellSpace') do |csg|
            process_cell_space csg
          end
        end

        # @@xmldoc.elements.each(".//Transition") do |trs|
        #   pts = []
        #   trs.elements.each(".//gml:pos") do |ps|
        #     values = ps.text.split(" ")
        #     if(values.length() == 3)
        #         pts.push(Geom::Point3d.new((values[0].to_f) * @@scale ,(values[1].to_f) * @@scale,(values[2].to_f) * @@scale))
        #     end
        #   end

        #   if pts.length == 2
        #     create_sphere(pts[0],0.5 / 1.to_m,Color.new("blue"))
        #     create_sphere(pts[1],0.5 / 1.to_m,Color.new("blue"))
        #     Sketchup.active_model.entities.add_cline(pts[0], pts[1])
        #   end
        # end

        # GET SHAPEFILE DATA --------------------------------------------------------------------

        #        @@model.commit_operation
      end

      def process_cell_space csg
        id = csg.attributes['gml:id']
        group = @@model.entities.add_group
        group.name = id
        csg.elements.each('.//gml:LinearRing') do |csm|
          pts = []
          csm.elements.each('.//gml:pos') do |ps|
            values = ps.text.split(' ')
            if values.length == 3
              pts.push(Geom::Point3d.new(values[0].to_f * @@scale, values[1].to_f * @@scale, values[2].to_f * @@scale))
            end
          end

          begin
            face = group.entities.add_face(pts)
            @@poly_count += 1
          rescue StandardError => e
          else
          ensure
          end
        end

        return if group.nil?

        group.material = Sketchup::Color.new('red')
        group.material.alpha = 0.3

        if group.name.include? "Door_Base"
          create_door(group)
        elsif group.name.include? "door_"
          create_door(group)
        else
          create_cell(group)
        end
      end

      def indoorgml_import_get_data
        file = @@basename + '.gml'
        #        UI.messagebox
        xmlfile = File.new(file)
        @@xmldoc = REXML::Document.new(xmlfile)
      end
    end # class << self

    # create toolbar
    def self.create_step(fileName, title, &block)
      cmd = UI::Command.new(title, &block)
      cmd.tooltip = title
      ext = 'png'
      # https://www.flaticon.com/free-icons/numbers_931
      icon = File.join(__dir__, 'images', "#{fileName}.#{ext}")
      cmd.small_icon = icon
      cmd.large_icon = icon
      cmd
    end

    initialize_data

    item_create_cell = create_step('cell_space', 'Create Cell Space') do
      # entity = Sketchup.active_model.selection.first
      # if entity.is_a?(Sketchup::Face)
      #     create_cell(entity)
      # end
      self.edit_mode = EditMode::CELL
      show_dialog
    end

    toolbar = UI::Toolbar.new('IndoorGML')
    toolbar.add_item(item_create_cell)

    item_create_node = create_step('node', 'Create Node') do
      # entity = Sketchup.active_model.selection.first
      self.edit_mode = EditMode::NODE
      show_dialog
    end
    toolbar.add_item(item_create_node)

    item_create_poi = create_step('poi', 'Create Poi') do
      # entity = Sketchup.active_model.selection.first
      self.edit_mode = EditMode::POI
      show_dialog
    end
    toolbar.add_item(item_create_poi)

    



    # item_create_door = create_step('door', 'Create Door') do
    #   # entity = Sketchup.active_model.selection.first
    #   self.edit_mode = EditMode::DOOR
    #   show_dialog
    # end
    # toolbar.add_item(item_create_door)

    item_create_anchor_node = create_step('anchor_node', 'Create Anchor Node') do
      # entity = Sketchup.active_model.selection.first
      
    path = File.expand_path('../Plugins/AnchorNodeMarker/', __dir__)
      puts path

      selection = Sketchup.active_model.selection.first

      if selection.nil? 
        UI.messagebox('먼저 노드를 선택해주세요.')
      else
        node = get_node(selection)

        unless node.nil?
          model = Sketchup.active_model
          model.start_operation('Test', true)

          data = ''

          ptsList = Array.new

          @cells.each do |c|
            group = c.group
            trans = group.transformation
            group.entities.each{|e|
              if e.is_a?(Sketchup::Face)
                pts = e.outer_loop.vertices.map{|v|v.position}
                pts.each{|p|p.transform!(trans); p.z=0}                
                # model.entities.add_edges(pts << pts[0])
                ptsList.push(pts << pts[0])
              end
            }
          end

          data = data.dup if data.frozen?
          
          ptsList.each do |ptList|
            data.concat("@@@\n")
            ptList.each do |p|
              data.concat("#{p.x},#{p.y}\n")
            end
          end            
          model.commit_operation            
          
          File.write("C:/Users/Public/Documents/outline.txt", data)

          sleep(0.5)

          path += '/AnchorNodeMarker.exe'
          system(path, 'hello', 'world!')

          anchor = Anchor.new
          anchor.read("C:/Users/Public/Documents/anchor.txt")
          node.anchor = anchor unless node.nil?
          update_dialog
        end
      end

      # system('C:\\Users\\apple\\Documents\\Visual Studio 2017\\Projects\\IndoorModeler\\AnchorNodeMarker\\bin\\Debug\\AnchorNodeMarker.exe', 'hello world!')
    end
    toolbar.add_item(item_create_anchor_node)

    item_create_all = create_step('create_all', 'Create All') do
      # entity = Sketchup.active_model.selection.first
      self.edit_mode = EditMode::NONE
      create_all
    end
    toolbar.add_item(item_create_all)

    item_create_validation = create_step('validate', 'Validate model') do
      # entity = Sketchup.active_model.selection.first
      self.edit_mode = EditMode::VALIDATION
      show_dialog
    end
    toolbar.add_item(item_create_validation)

    # item_floor = create_step('floor2', 'Manage floor') do
    #   self.edit_mode = EditMode::FLOOR
    #   show_dialog
    # end
    # toolbar.add_item(item_floor)

    Sketchup.add_observer(AppObserver.new) unless file_loaded?(__FILE__)
  end # module IndoorGmlModeler
end