Method: Tk::BLT::PlotComponent::Axis.new

Defined in:

ext/lib/tkextlib/blt/component.rb

.new(chart, axis = nil, keys = {}) ⇒ Object

# File 'ext/lib/tkextlib/blt/component.rb', line 402

def self.new(chart, axis=nil, keys={})
  if axis.kind_of?(Hash)
    keys = axis
    axis = nil
  end
  if keys
    keys = _symbolkey2str(keys)
    not_create = keys.delete('without_creating')
  else
    not_create = false
  end

  obj = nil
  AxisID_TBL.mutex.synchronize{
    chart_path = chart.path
    AxisID_TBL[chart_path] ||= {}
    if axis && AxisID_TBL[chart_path][axis]
      obj = AxisID_TBL[chart_path][axis]
    else
      (obj = self.allocate).instance_eval{
        if axis
          @axis = @id = axis.to_s
        else
          OBJ_ID.mutex.synchronize{
            @axis = @id = OBJ_ID.join(TkCore::INTERP._ip_id_).freeze
            OBJ_ID[1].succ!
          }
        end
        @path = @id
        @parent = @chart = chart
        @cpath = @chart.path
        Axis::AxisID_TBL[@cpath][@axis] = self
        unless not_create
          tk_call(@chart, 'axis', 'create', @axis, keys)
          return obj
        end
      }
    end
  }

  obj.configure(keys) if obj && ! keys.empty?
  obj
end