1 files changed, 0 insertions, 89 deletions
diff --git a/ReckonPrimer.activity/Exercise.py b/ReckonPrimer.activity/Exercise.py
deleted file mode 100755
index e343cf8..0000000
--- a/ReckonPrimer.activity/Exercise.py
+++ /dev/null
@@ -1,89 +0,0 @@
-# -*- coding: utf-8 -*-
-from functions import contain, collect_digits, make_line, make_input
-from functions import make_line_remainder, make_input_remainder
-
-class Exercise:
-    """This is the base class for the individual exercises.
-    An exercise is characterized by a topic. A topic determines the 
-    fields of the settings self._sett and public methods of Exercise.
-    The values of self._sett may vary from exercise to exercise.
-    """
-    def __init__(self):
-        """ An Exercise has a title, i.e. short textual description,
-        set by the author for display in the Collection. """
-        self._title = None
-        """ An Exercise has a detailed textual description
-        set by the author. """
-        self._description = None
-        """ An Exercise is characterized by an icon set by the author. """
-        self._icon = None
-        """ An Exercise stores data on evaluation, i.e. on how often the
-        Exercise has been done, what errors have been made TODO """
-        self._eval = None
-        """ The settings determine the generation of calculations.
-        The fields of the settings are determined by self._sett['topic'];
-        the values of the settings are different for different Exercises.
-        self._sett['calclines'] determines the # of lines in a calculation."""
-        self._sett = None
-        """ Calculations are generated according to the settings. """
-        self._calcs = None
-        """ An Exercise needs the Display for updating the settings"""
-        self._display = None
-
-    def get_topic(self):
-        """The topic is preliminarily used to identify an exercise."""
-        return (self._sett)['topic']
-
-    def get_setting(self):
-        return self._sett
-        
-    def update_setting(self, sett):
-        """ Update the settings and generate calculations accordingly. """
-        self._sett = sett
-        self._calcs = self._generate_calcs()
-
-    def get_calcs(self):
-        """ Get all calculations generated by the current settings. """
-        return self._calcs
-
-    def get_next_calc(self):
-        """ Get the next calculation from the Exercise.
-        TODO.WN091123: handle exception after last exercise. """
-        return (self._calcs).pop()
-    
-    def count(self):
-        """ Return the number of calculations generated by
-        the current settings """
-        return len(self._calcs)
-
-    def format_addsub_simp(self, (calc, linepos)):
-        """ Prepare the representation of a calculation for Display
-        on 1 line. Used within several subclasses. """
-        #@print('in Display.format_addsub_simp: calc=', (calc, linepos))#@
-        _ccs = collect_digits(calc)
-        #print('in Exercise.format_addsub_simp: _ccs=',_ccs )
-        _l0 = make_line(_ccs, linepos)
-        _ip = make_input(_ccs, linepos)
-        #@print('in Display.format_addsub_simp: return=', ([_l0], _ip)) #@
-        return ([_l0], _ip)
-#return ([[' ', '1', '0', ' ', '-', ' ', '7', ' ', '=', ' ', '_', ' ']], [(0, 10, '3', ' 10 - 7 = _ ', ' 10 - 7 = 3 ', [' ', '1', '0', ' ', '-', ' ', '7', ' ', '=', ' ', '3', ' '])])
-
-    #===== methods of subclasses different for topic-specific settings
-    def format(self, calc):
-        """ Prepare the representation of a calculation for Display.
-        This method is public for eventual use on calculations
-        coming through the net (TODO cooperative games, etc)"""
-        pass
-
-    def _generate_calcs(self):
-        """ Generate calculations according to topic-specific settings.
-        Called on each call of update_setting"""
-        pass
-
-    def define_buttons(self):
-        """ Define buttons for update settings. """
-        pass
-
-    def set_buttons(self, sett):
-        """ Display buttons according to the current setting. """
-        pass