Class: RadioButtonController

• Inheritance
• Description
• Instance protocol
  • initialization & release

Inheritance:

   Object
   |
   +--Controller
      |
      +--ButtonController
         |
         +--ToggleController
            |
            +--RadioButtonController

Package:

stx:libwidg

Category:

Interface-Support-Controllers

Version:

rev: 1.10 date: 2017/02/07 23:57:15

user: cg

file: RadioButtonController.st directory: libwidg

module: stx stc-classLibrary: libwidg

Author:

Claus Gittinger

Description:

RadioButtonControllers redefine the response to a button-click.
While toggles (i.e. ToggleControllers) change state with every click,
radioButtons will only do so for an off-to-on transition.
They will NEVER turn themselfes off with a click.
To turn a radioButton off, another button in its buttonGroup must
be turned on and thereby (via the buttonGroup) turn the first button off.

You can place both toggles (for 'zero-or-one-on' behavior) or
radiobuttons (for 'one-on' behavior) into a buttongroup.

Instance protocol:

 initialize

must be called if redefined