TkValidateCommand

Public Class Methods

_config_keys() click to toggle source

 
               # File tk/lib/tk/validation.rb, line 291
def self._config_keys
  # array of config-option key (string or symbol)
  ['vcmd', 'validatecommand', 'invcmd', 'invalidcommand']
end

new(cmd = Proc.new, *args) click to toggle source

 
               # File tk/lib/tk/validation.rb, line 334
def initialize(cmd = Proc.new, *args)
  _initialize_for_cb_class(self.class::ValidateArgs, cmd, *args)
end

Public Instance Methods

_initialize_for_cb_class(klass, cmd = Proc.new, *args) click to toggle source

 
               # File tk/lib/tk/validation.rb, line 296
def _initialize_for_cb_class(klass, cmd = Proc.new, *args)
  extra_args_tbl = klass._get_extra_args_tbl

  if args.compact.size > 0
    args.map!{|arg| klass._sym2subst(arg)}
    args = args.join(' ')
    keys = klass._get_subst_key(args)
    if cmd.kind_of?(String)
      id = cmd
    elsif cmd.kind_of?(TkCallbackEntry)
      @id = install_cmd(cmd)
    else
      @id = install_cmd(proc{|*arg|
           ex_args = []
           extra_args_tbl.reverse_each{|conv| ex_args << conv.call(arg.pop)}
           klass.ret_val(cmd.call(
             *(ex_args.concat(klass.scan_args(keys, arg)))
           ))
      }) + ' ' + args
    end
  else
    keys, args = klass._get_all_subst_keys
    if cmd.kind_of?(String)
      id = cmd
    elsif cmd.kind_of?(TkCallbackEntry)
      @id = install_cmd(cmd)
    else
      @id = install_cmd(proc{|*arg|
           ex_args = []
           extra_args_tbl.reverse_each{|conv| ex_args << conv.call(arg.pop)}
           klass.ret_val(cmd.call(
             *(ex_args << klass.new(*klass.scan_args(keys, arg)))
           ))
      }) + ' ' + args
    end
  end
end

to_eval() click to toggle source

 
               # File tk/lib/tk/validation.rb, line 338
def to_eval
  @id
end

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TkValidateCommand

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