Tk::BLT::PlotComponent::Marker

Constants

MarkerID_TBL
MarkerTypeName
MarkerTypeToClass

Public Class Methods

create(chart, keys={}) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 924
def self.create(chart, keys={})
  unless self::MarkerTypeName
    fail RuntimeError, "#{self} is an abstract class"
  end
  args, fontkeys = _parse_create_args(keys)
  idnum = tk_call_without_enc(chart.path, 'marker', 'create', 
                              self::MarkerTypeName, *args)
  chart.marker_configure(idnum, fontkeys) unless fontkeys.empty?
  idnum.to_i  # 'item id' is an integer number
end

create_type(chart, type, keys={}) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 935
def self.create_type(chart, type, keys={})
  args, fontkeys = _parse_create_args(keys)
  idnum = tk_call_without_enc(chart.path, 'marker', 'create', 
                              type, *args)
  chart.marker_configure(idnum, fontkeys) unless fontkeys.empty?
  id = idnum.to_i  # 'item id' is an integer number
  obj = self.allocate
  obj.instance_eval{
    @parent = @chart = chart
    @cpath = chart.path
    @id = id
    unless Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath]
      Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath] = {}
    end
    Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath][@id] = self
  }
  obj
end

id2obj(chart, id) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 879
def Marker.id2obj(chart, id)
  cpath = chart.path
  return id unless MarkerID_TBL[cpath]
  MarkerID_TBL[cpath][id]? MarkerID_TBL[cpath][id]: id
end

new(parent, *args) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 954
def initialize(parent, *args)
  @parent = @chart = parent
  @cpath = parent.path

  @path = @id = create_self(*args) # an integer number as 'item id'
  unless Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath]
    Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath] = {}
  end
  Tk::BLT::PlotComponent::Marker::MarkerID_TBL[@cpath][@id] = self
end

type2class(type) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 875
def Marker.type2class(type)
  MarkerTypeToClass[type]
end

Public Instance Methods

after(target=None) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 991
def after(target=None)
  @chart.marker_after(@id, target)
end

before(target=None) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 995
def before(target=None)
  @chart.marker_before(@id, target)
end

cget(option) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 977
def cget(option)
  @chart.marker_cget(@id, option)
end

configinfo(key=nil) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 984
def configinfo(key=nil)
  @chart.marker_configinfo(@id, key)
end

configure(key, value=None) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 980
def configure(key, value=None)
  @chart.marker_configure(@id, key, value)
  self
end

current_configinfo(key=nil) click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 987
def current_configinfo(key=nil)
  @chart.current_marker_configinfo(@id, key)
end

delete() click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 999
def delete
  @chart.marker_delete(@id)
end

exist?() click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 1003
def exist?
  @chart.marker_exist(@id)
end

id() click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 969
def id
  @id
end

to_eval() click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 973
def to_eval
  @id
end

type() click to toggle source

 
               # File tk/lib/tkextlib/blt/component.rb, line 1007
def type
  @chart.marker_type(@id)
end