TkValidateCommand

Public Class Methods

_config_keys() click to toggle source

 
               # File tk/lib/tk/validation.rb, line 292
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 335
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 297
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 339
def to_eval
  @id
end

Commenting is here to help enhance the documentation. For example, code samples, or clarification of the documentation.

If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. You will get better, faster, help that way.

If you wish to post a correction of the docs, please do so, but also file bug report so that it can be corrected for the next release. Thank you.

If you want to help improve the Ruby documentation, please visit Documenting-ruby.org.

Home Classes Methods

In Files

Parent

Namespace

Methods

Included Modules

Class/Module Index

TkValidateCommand

Public Class Methods

Public Instance Methods