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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._display = display
self._coach = coach
self._active_exerc = None
#self._sett = Settings()
#Provisorium für die "3-Button-Version" vvvvvvvvvvvvvvvvvvvvvvvvv
#self._data = [(self._sett.get_setting('addsub_simp'), []),
# (self._sett.get_setting('passten'), []),
# (self._sett.get_setting('times_div'), [])]
#Provisorium für die "3-Button-Version" ^^^^^^^^^^^^^^^^^^^^^^^^^
#Provisorium für impl. "treeView-Kollektion" vvvvvvvvvvvvvvvvvvvv
_ex010 = Task({'topic' : 'addsub_simp',
'title' : 'template exaddsimp',
'descript': 'addition and subtraction without carry, \
i.e. without passing the 10 barrier. ',
'icon' : None, # for quick reference of the exercise
'calclines': 1, # no. of lines for calc to be input.
'MAX' : 30, # 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
'-' : True, # make all subtactions min..max
'_+_=_' : True, # = is _right_ from operator, e.g. 1+2=3
'input=' : [1,3,5],# 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': True, # shuffle _all_ the calcs
'cut-max': True # cut set of all calcs down to MAX
}, [])
_ex011 = Task({'topic' : 'passten',
'title' : 'template expassten',
'descript': 'addition and subtraction with carry, \
i.e. with passing the 10 barrier. ',
'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
#'min' : 5, # +: minimum in size of number in left argument
# -: minimum in size of result
'max' : 2, # +: maximum in size of number in left argument
# -: maximum in size of result
#'max' : 9, # +: maximum in size of number in left argument
'input' :[3], # list of positions in calc 3 | 5
# where input is possible;
# actual positions chosen by Generate.
'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
}, [])
_ex012 = Task({'topic' : 'times_div', #for programmers only
'title' : 'template extimesdiv',
'descript': 'multiplication, division and "in" \
from 2 to 19 and 20 to 190. ',
'icon' : None, # for quick reference of the exercise
'calclines' : 1, # no. of lines for calc to be input.
'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
'min' : 2, # +: minimum number in right *operand
# -: minimum result
'max' : 2, # +: maximum number in right *operand
# -: maximum result
'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
}, [])
_coll00 = Collection("Add Sub: + & -",
"hier sind alle 1x1-Reihen mit 'in'",
None, [])
_coll01 = Collection("Times Division: x & in",
"hier sind alle 1x1-Reihen mit 'in'",
None, [_ex010, _ex011, _ex012])
_coll02 = Collection("Pass Ten: ->10",
"hier sind alle 1x1-Reihen mit 'in'",
None, [])
_coll0 = Collection("Templates",
"Hier finden Sie alle verfügbaren Templates",
None, [_coll00, _coll01, _coll02])
#constructor of collections root
self._root = Collection("root = invisible node",
"aber benötigt zum richtigen speichern/lesen",
None, [_coll0])
# 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._display.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._display, (obj.get_settings(), obj.get_eval()))
"""
#@# vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
def define_coll_gui(self):
#Define gui-elements for presenting the collection.
#TODO: define once at startup of RP ?
#WN.LV diesen Code ersetzen: exstore_table.attach(self.colldata,...
self.topic_box = gtk.HBox(True, 0)
#self._display.exstore_table.attach(self.topic_box, 0, 6, 0, 1)
self._display.exstore_table.attach(self.topic_box, 0, 9, 5, 6)
def set_coll_gui(self, coll_data):
#Set gui-elements according to Collection.data.
#WN.LV diesen Code ersetzen !!!!!
_i = 0
for _t in ['addsub_simp','passten','times_div']:
self.button = gtk.Button()
self.image = gtk.Image()
if(_t == 'addsub_simp'):
self.image.set_from_file("img/addsub_simp.jpg")
elif(_t == 'passten'):
self.image.set_from_file("img/passten.jpg")
elif(_t == 'times_div'):
self.image.set_from_file("img/times_div.jpg")
self.button.set_image(self.image)
self.button.connect("clicked", self.select_exerc_callback, _i)
self.topic_box.pack_start(self.button)
self.button.show()
_i = _i + 1
self.topic_box.show()
#@# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
def select_exerc_callback(self, widget, coll_key):
#Callback telling the item from the collection selected.
#WN.LV diesen Code ersetzen> statt 1..n fuer Listen kommt coll_key
print('in Collection.select_exerc_callback')
if(self._active_exerc == None):
# at startup
self._active_exerc = coll_key
self._display.set_select_exerc_semaphore(coll_key)
#self._coach.notify(('exerc-selected', coll_key))
elif(self._active_exerc == coll_key):
# hit the same button once more
pass
elif(self._active_exerc != coll_key):
# switched to another exercise
self._active_exerc = coll_key
self._display.switch_exercise() # TODO rename
self._display.set_select_exerc_semaphore(coll_key)
#self._coach.notify(('exerc-selected', coll_key))
"""
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