vanderlee/colorpicker — Issue #12: _change() method is unsafe to call when widget is not open:
Author: boutell
Created: 2012-01-12 22:43:22+00:00
State: open

Being able to call _change() at any time (to update the button color, for instance) is convenient in the implementation of a setColor: method. Right now if you call it when the widget happens to not be open it doesn't check whether 'parts' is undefined