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# -*- coding: utf-8 -*-
import gtk
import pygtk
import pango
import random
import copy
from sugar.graphics import style
#from settings import Settings #WN.100112 remove with "treeView-Kollektion"
#from coach import Coach
from collection import Collection
from task import Task
from exercises.exaddsimp import ExAddSimp
from exercises import *
from exercises.exercise import Exercise
class ExStore:
""" Holds all exercises avaiable in RP in a tree and stores them on disk.
The tree ist presented looking like a filebrowser, see Display.treeview.
The Learner starts an Exercise by selecting an item of the tree.
The Author creates new Exercises copying certain Exercises by
drag-and-drop andself.imagecollection = gtk.gdk.pixbuf_new_from_file(
"./img/collection.png")
self.imageexercise = gtk.gdk.pixbuf_new_from_file(
"./img/exercise.png") then editing the title, the description and the settings.
"""
_root = None #hold the tree with root of Collection and leafs of Task
def __init__(self, display, coach):
self._dis = display
self._coach = coach
self._active_exerc = None
#Provisorium für impl. "treeView-Kollektion" vvvvvvvvvvvvvvvvvvvv
####### _c1 ##################################################################
####### _c1c1c1t #############################################################
_sett = {'topic' : 'times_div',
'title' : '99-er Reihe',
'descript' : 'settings: series (2,4,8 is possible!) of *, "in" and : with remainder, series 11..19 (left bar),series 10..90 (right long bar), separate shuffling or operands.',
'icon' : None,
'calclines' : 1,
'MAX' : 50,
'MIN' : 10,
'*' : True,
'*commute' : False,
':' : False,
'in' : False,
'remainder' : False,
'vadd' : 0,
'vmult' : 1,
'factors' : [99],
'shuffle_all' : True,
'shuffle_inner': True,
'cut-max' : True
}
_sett['factors'] = [2]; _sett['title'] = '2-er Reihe'
_c1c1c1t2 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [3]; _sett['title'] = '3-er Reihe'
_c1c1c1t3 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [4]; _sett['title'] = '4-er Reihe'
_c1c1c1t4 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [5]; _sett['title'] = '5-er Reihe'
_c1c1c1t5 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [6]; _sett['title'] = '6-er Reihe'
_c1c1c1t6 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [7]; _sett['title'] = '7-er Reihe'
_c1c1c1t7 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [8]; _sett['title'] = '8-er Reihe'
_c1c1c1t8 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [9]; _sett['title'] = '9-er Reihe'
_c1c1c1t9 = Task(copy.deepcopy(_sett), [])
####### _c1c1c2t #############################################################
_sett['factors'] = [2,4]; _sett['title'] = '2,4-er Reihe'
_c1c1c2t1 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [2,4,8]; _sett['title'] = '2,4,8-er Reihe'
_c1c1c2t2 = Task(copy.deepcopy(_sett), [])
#_sett['factors'] = [5,10]; _sett['title'] = '-er Reihe'
#_c1c1c2t2 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [3,6]; _sett['title'] = '3,6-er Reihe'
_c1c1c2t3 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [3,6,9]; _sett['title'] = '3,6,9-er Reihe'
_c1c1c2t4 = Task(copy.deepcopy(_sett), [])
####### _c1c1c3t #############################################################
_sett['factors'] = [2,3,4,5,6,7,8,9]; _sett['title'] = 'nur *'
_c1c1c3t1 = Task(copy.deepcopy(_sett), [])
_sett['*'] = False; _sett['in'] = True; _sett['title'] = "nur 'in'"
_c1c1c3t2 = Task(copy.deepcopy(_sett), [])
_sett['*'] = True; _sett['in'] = False; _sett['vadd'] = 10; _sett['vmult'] = 10; _sett['title'] = "grosse Zahlen"
_c1c1c3t3 = Task(copy.deepcopy(_sett), [])
####### _c1c2c1c1 ############################################################
_sett['*'] = False; _sett['in'] = False; _sett[':'] = True; _sett['vadd'] = 0; _sett['vmult'] = 1; _sett['factors'] = [2]; _sett['title'] = "2-er Reihe"
_c1c2c1c1t1 = Task(copy.deepcopy(_sett), [])
_sett['factors'] = [3]; _sett['title'] = "2-er Reihe"
####### _c2 ##################################################################
####### _c3 ##################################################################
_c3t1 = Task({'topic' : 'addsub_simp',
'title' : 'Template: + - within 10',
'descript' : 'settings: range of result, input at 3 positions, swap around =',
'icon' : None, # for quick reference of the exercise
'calclines': 1, # no. of lines for calc to be input.
'MAX' : 100, # maximum of calcs generated.
# Generate fills up by varying input.
'MIN' : 20, # minimum of calcs generated UNUSED
'min' : 0, # minimum in size of a number in a calc
'max' : 1, # maximum in size of a number in a calc
# 0 <= min <= max <= 10
'+' : True, # make all additions min..max
'-' : False, # make all subtactions min..max
'_+_=_' : True, # = is _right_ from operator, e.g. 1+2=3
'input=' : [5],# list of positions in calc: 1 | 3 | 5
# where input is possible;
# actual positions chosen by Generate.
'_=_+_' : False, # = is _left_ from operator, e.g. 3=1+2
'=input' : [1,3,5],# analogous to '_+_=_'
'shuffle' : False, # shuffle _all_ the calcs
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_c3t2 = Task({'topic' : 'passten',
'title' : 'Template: + - with carry',
'descript' : 'settings: range of 1st operand, input left and right from =, input intermediate result, separate shuffling of operands.',
'icon' : None, # for quick reference of the exercise
'calclines' : 1, # or 2 iff 'newline' : True.
'MAX' : 150, # maximum of calcs generated;
# TODO: Generate fills up by varying input.
'MIN' : 10, # minimum of calcs generated 090416WN:UNUSED
'+' :True, # + crossing the ten barrier!!
'-' :False, # - goes below the ten barrier!!!
#(i.e. iteration on left arg. is "outer" loop)
'min' : 2, # +: minimum in size of number in left argument
'max' : 2, # +: maximum in size of number in left argument
'input' :[3], # list of positions in calc 3 | 5
# where input is possible.
'newline' : True, # display 2nd line for intermediate results
'shuffle_all' : False,# shuffle all calcs
'shuffle_inner': False,# shuffle only 1st (inner) iteration
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_c3t3 = Task({'topic' : 'times_div', #for programmers only
'title' : 'Template: * : "in" series',
'descript' : 'settings: series (2,4,8 is possible!) of *, "in" and : with remainder, series 11..19 (left bar),series 10..90 (right long bar), separate shuffling or operands.',
'icon' : None, # for quick reference of the exercise
'calclines' : 1, # no. of lines for calc to be input.2
'MAX' : 50, # maximum of calcs generated;
# TODO: Generate fills up by varying input.
'MIN' : 10, # minimum of calcs generated 090416WN:UNUSED
'*' : False, # eg. 7 . 2 =_
'*commute' : False, # commute the operands 2 . 7 = _
':' : True, # 14 : 2 = _
'in' : False, # 2 in 14 = _
'remainder' : False, # : | in ... with remainder
'vadd' : 0, # 0 or 10, for 1.11 ... 1.19
'vmult' : 1, # 1 or 10, for 1.10 ... 1.90
'factors' : [2,4], # Liste mit ausgewählten zahlen zur berechnung
'shuffle_all' : False, # shuffle all calcs
'shuffle_inner': False, # shuffle only 1st (inner) iteration
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_c3t4 = Task({'topic' : 'exaddsub',
'title' : 'Template: +- in a column',
'descript' : 'TODO',
'icon' : None, # for quick reference of the exercise
'calclines': 4, # no. of lines for calc to be input.
'MAX' : 10, # maximum of calcs generated.
'MIN' : 10, # minimum of calcs generated UNUSED
'length' : 3, # max number of digits in summands
# _max_length =< 6 because of Display
'args' : 2, # FIXED due to constraints in
# _generate_calcs and format
'carry' : False,# the calculation might involve carries
'ops' : ["+", "-"],#["+", "-"] are the only options
'shuffle' : True,
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_c3t5 = Task({'topic' : 'exmult',
'title' : 'Template: * with large numbers',
'descript': 'TODO',
'icon' : None, # for quick reference of the exercise
'calclines': 4, # no. of lines for calc to be input.
'MAX' : 10, # maximum of calcs generated.
'MIN' : 10, # minimum of calcs generated UNUSED
'fact1' : 5, # number of digits of left factor
'fact2' : 1, # FIXED due to constraints in
# _generate_calcs and format
'cut-max': True # cut set of all calcs down to MAX
}, [])
self._root = \
Collection("root = invisible node","required by tree structure", None,
[Collection("Praxis Volksschule PHSt", #_c1
"Rechenuebungen fuer die 1. und 2.Klasse, festgelegt am 16.Dez.09 mit Nina Jaklitsch und Arndt Stoeckl .",
None,
[Collection("Uebungen . und 'in' ", #_c1c1
" ", None,
[Collection("Einzelne Reihen . und 'in'", #_c1c1c1
" ", None,
[_c1c1c1t2, _c1c1c1t3, _c1c1c1t4, _c1c1c1t5,
_c1c1c1t6, _c1c1c1t7, _c1c1c1t8, _c1c1c1t9
]),
Collection("Mehrere Reihen .",
"Wir ueben zusammengehoerende Reihen.", None,
[_c1c1c2t1, _c1c1c2t2, _c1c1c2t3, _c1c1c2t4
]),
Collection("Alle Reihen gemischt",
" ", None,
[_c1c1c3t1, _c1c1c3t2, _c1c1c3t3
])
]),
Collection("Uebungen :", #_c1c2
" ", None,
[Collection(": ohne Rest", #_c1c2c1
" ", None,
[Collection("Reihen einzeln", #_c1c2c1c1
" ", None,
[_c1c2c1c1t1
])
])
]),
Collection("Uebungen + und - ", #_c1c3
" ", None,
[
])
]),
Collection("Mini course", #_c2
"Most efficient introduction to the four basic arithmetic \
operations as taught in the last century in Upper Austria.",
None,
[
]),
Collection("Templates", #_c3
"These are the (classes of) exercises all others are derived \
from. Thus, please, do not deletem them. \
For testing exercises disabling of @ is recommended.", None,
[_c3t1, _c3t2, _c3t3, _c3t4, _c3t5])
])
# comment to save changes (order of the items) till the next start
self._root.set_data_in_pickle(self._root)
#Provisorium für impl. "treeView-Kollektion" ^^^^^^^^^^^^^^^^^^^^
def reload(self):
self._root = self._root.get_data_from_pickle()
def offer_coll_to_learner(self):
"""Show Collection to Learner and hand over control to Display (gtk)"""
data = self._root.get_data()
self._dis.offer_coll_to_learner(data)
def get_exercise(self, obj):
""" Loads the proper exercise class for the given object and returns it
as a new exercise object """
exercise_label = obj.get_object_name()
if not Exercise.EXERCISES.has_key(exercise_label):
raise Exception('Collection#select: Wrong pos. To register an exercise see exercises/__init__.py')
class_name = Exercise.EXERCISES[exercise_label]
package = __import__("exercises." + class_name.lower())
module = getattr(package, class_name.lower())
return getattr(module, class_name)(self._dis, (obj.get_settings(), obj.get_eval()))
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