Changes

If the changes involve modifying the graphics, then other methods may need to be modified as well.  For instance, in order to introduce a reset button that can be clicked to reset the bead positions to the beginning, the following methods had to be modified -- all in abacus_window.py:

If the changes involve modifying the graphics, then other methods may need to be modified as well.  For instance, in order to introduce a reset button that can be clicked to reset the bead positions to the beginning, the following methods had to be modified -- all in abacus_window.py:

1) in the class Abacus, methods _button_press_cb() to activate reset button,

# in the class Abacus, methods _button_press_cb() to activate reset button;

2) in the class AbacusGeneric, method create() to create the graphics for reset button,

# in the class AbacusGeneric, method create() to create the graphics for reset button;

3) methods hide() and show() to make the button visible

# methods hide() and show() to make the button visible.

 

==Discussion==

==Discussion==