# File tk/lib/tkextlib/blt/treeview.rb, line 1058
  def self.id2obj(tree, id)
    tpath = tree.path
    return id unless TreeTagID_TBL[tpath]
    if TreeTagID_TBL[tpath][id]
      TreeTagID_TBL[tpath][id]
    else
      begin
        self.new(tree, nil, nil, 'name'=>Integer(id))
      rescue
        id
      end
    end
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1087
  def initialize(tree, name, ids)
    @parent = @tree = tree
    @tpath = @parent.path

    if name
      @path = @id = name
    else
      @path = @id = TreeTag_ID.join(TkCore::INTERP._ip_id_).freeze
      TreeTag_ID[1].succ!
    end

    TreeTagID_TBL[@tpath] = {} unless TreeTagID_TBL[@tpath]
    TreeTagID_TBL[@tpath][@id] = self

    unless ids.empty?
      tk_call(@tpath, 'tag', 'add', @id, *(ids.collect{|id| tagid(id)}))
    end
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1079
  def self.new(tree, *ids)
    if tree.kind_of?(Array)
      super(tree[0], tree[1], ids)
    else
      super(tree, nil, ids)
    end
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1072
  def self.new_by_name(tree, name, *ids)
    if (obj = TreeTagID_TBL[tree.path][name])
      return obj
    end
    new([tree, name], ids)
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1120
  def add(*ids)
    tk_call(@tpath, 'tag', 'add', @id, *(ids{|id| tagid(id)}))
    self
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1130
  def forget
    tk_call(@tpath, 'tag', 'forget', @id)
    self
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1116
  def id
    @id
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1135
  def nodes
    simplelist(tk_call(@tpath, 'tag', 'nodes', @id)).collect{|id|
      Tk::BLT::Treeview::Node.id2obj(@tree, id)
    }
  end

# File tk/lib/tkextlib/blt/treeview.rb, line 1125
  def remove(*ids)
    tk_call(@tpath, 'tag', 'delete', @id, *(ids{|id| tagid(id)}))
    self
  end