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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 and then editing the title, the description and the settings.
"""
_data = None #hold the tree with root of Collection and leafs of Task
def __init__(self, display, coach):
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
_ex000 = 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' : 100, # maximum of calcs generated;
# TODO: Generate fills up by varying input.
'MIN' : 10, # minimum of calcs generated 090416WN:UNUSED
'*' : True, # eg. 7 . 2 =_
'*commute' : True, # commute the operands 2 . 7 = _
':' : False, # 14 : 2 = _
'in' : True, # 2 in 14 = _
'remainder' : False, # : | in ... with remainder
'min' : 2, # +: minimum number in right *operand
# -: minimum result
'max' : 2, # +: maximum number in right *operand
# -: maximum result
'shuffle_all' : False, # shuffle all calcs
'shuffle_inner': True, # shuffle only 1st (inner) iteration
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_ex001 = 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' : 100, # maximum of calcs generated;
# TODO: Generate fills up by varying input.
'MIN' : 10, # minimum of calcs generated 090416WN:UNUSED
'*' : True, # eg. 7 . 2 =_
'*commute' : True, # commute the operands 2 . 7 = _
':' : False, # 14 : 2 = _
'in' : True, # 2 in 14 = _
'remainder' : False, # : | in ... with remainder
'min' : 3, # +: minimum number in right *operand
# -: minimum result
'max' : 3, # +: maximum number in right *operand
# -: maximum result
'shuffle_all' : False, # shuffle all calcs
'shuffle_inner': True, # shuffle only 1st (inner) iteration
'cut-max' : True # cut set of all calcs down to MAX
}, [])
_coll00 = Collection("einzeln * in",
"hier sind alle 1x1-Reihen mit 'in'",
None, [_ex000, _ex001])
_coll0 = Collection("'*' und 'in' Reihen",
"hier sind alle 1x1-Reihen mit 'in'",
None, [_coll00])
_coll0.set_data_in_pickle(_coll0) #WN.100112 remove asap
#self._data = _coll0
#Provisorium für impl. "treeView-Kollektion" ^^^^^^^^^^^^^^^^^^^^
self._display = display
self._coach = coach
self._active_exerc = None
#self.__data = []
#self.__title = "Collection"
#self.__description = "Description"
self.imagecollection = gtk.gdk.pixbuf_new_from_file(
"./img/collection.png")
self.imageexercise = gtk.gdk.pixbuf_new_from_file(
"./img/exercise.png")
def select(self, key):
""" Select an exercise by key. return instance of an exercise.
Errors are retrieved for (future) use by Coach. """
#WN.LV Code ersetzen: key ist dann fuer Listen von Listen !!
(_sett, _errors) = self._data[key]
exercise_label = _sett['topic']
if not Exercise.EXERCISES.has_key(exercise_label):
raise Exception('Collection#select: Wrong key. To register an exercise see exercises/__init__.py')
klass = Exercise.EXERCISES[exercise_label]
package = __import__("exercises." + klass.lower())
module = getattr(package, klass.lower())
return getattr(module, klass)(self._display, (_sett, _errors))
#@# 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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