code: function(ui)
                {
                  try
                  {
                    var all = ui.val('all');
                    activePreview.css({ backgroundColor: all && '#' + all.hex || 'transparent' });
                    setAlpha.call($this, activePreview, all && Math.precision((all.a * 100) / 255, 4) || 0);
                  }
                  catch (e) { }
                }
docs: Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results