Class: TkObject

Inherits:
TkKernel
  • Object
show all
Defined in:
tkutil/tkutil.c,
lib/tk.rb

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args) ⇒ Object 



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# File 'lib/tk.rb', line 4923

def method_missing(id, *args)
  name = id.id2name
  case args.length
  when 1
    if name[-1] == ?=
      configure name[0..-2], args[0]
      args[0]
    else
      configure name, args[0]
      self
    end
  when 0
    begin
      cget(name)
    rescue
      if self.kind_of?(TkWindow) && name != "to_ary" && name != "to_str"
        fail NameError,
             "unknown option '#{id}' for #{self.inspect} (deleted widget?)"
      else
        super(id, *args)
      end
#        fail NameError,
#             "undefined local variable or method `#{name}' for #{self.to_s}",
#             error_at
    end
  else
    super(id, *args)
#      fail NameError, "undefined method `#{name}' for #{self.to_s}", error_at
  end
end