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# -*- coding: utf-8 -*-
"""tests on collection class"""
class Task(object):
# constructor
def __init__(self, name):
self.name = name
self.obj = object
# destructor
#def __del__(self):
# print "in destructor"
# methods
# returns string representation of object
def __str__(self):
return "task: { name: ", self._name , " }"
class Collection(object):
# constructor
def __init__(self, name):
self.name = name
self.pic = object
self._coll = []
self._tasks = []
# destructor
#def __del__(self):
# print "in destructor"
# methods
# adds collection or task to collection
def add(self, obj):
# if obj.instanceOf(Collection)
self._coll.append(obj)
#else
#self._tasks.append(obj)
# deletes collection or task from collection
def delete(self,sel):
# if obj.instanceOf(Collection) ?????
# find object
# if obj empty: delete
print "collection deleted"
# else error: collection not empty
# error: collection not found
# else # =task
# find object
print "task deletet"
# error: task not found
# returns string representation of object
def __str__(self): #mit for schleife definieren!!!
return 'collection: { name: ' , self.name , ', tasks: [' , self._tasks.__str__ , '], collections: [' , self._coll.__str__ , '] }'
################################
def delete(self, n):
del self._data[n]
def pick(self, coords):
""" coords is a list of numbers (n-tupel), wich tells, which element
of the collection to select. The selected element will be returned """
if len(coords) == 0:
return self # emty coordinates: return this element
elif len(coords) == 1:
return self._data[coords[0]] # end of recursion
# go to next level
#self._data[coords[0]].show()
self._data[coords[0]].pick(coords[1:])
def show(self, top):
""" prints recursively all elements of this collection """
print("**********")
print "collection: ", self._name
print "elements:"
for el in self._data:
el.show(False)
print "---- end of ", self._name
if top:
print # print an empty line after the last element
##################################
class Data(object): # inherit from gtk tree???
# constructor
def __init__(self):
self._collRoot = Collection("")
self._co=[0,2] # selction coordiantes: testing only ???
# destructor
#def __del__(self):
# print "in destructor"
# methods
# adds collection to selected collection or root
def addCollection(self, obj):
# if selection = null
self._collRoot.add(obj)
# else
# selCollection.add(obj)
# adds task to selected collection
def addTask(self, obj):
print "add task" #avoid syntax error
# if selection = null
# Error: please selct a collection to add a new task
# else
# selCollection.add(obj)
# edit selected object: task or collection
def edit(self):
# if selection = null
# Error: please select a task or collection
# find object
# if sel obj instance of task
# loadTask.. ???
# else
# loadCollection.. ???
print "edit object"
# deletes selected collection or task
def delete(self):
print "delete" #avoid syntax error
#if self._co = [0,2] and self._collRoot = []
# del self._collRoot
#else
self._collRoot.delete(sel)
# saves _collRoot to file
def _saveToFile(self):
print "save"
# loads _collRoot from file
def _loadFromFile(self):
print "load"
# update treeView
def _updateTree(self):
print "update treeView"
# returns string representation of object
def __str__(self):
return self._collRoot.__str__()
# test
fs = Data()
c1 = Collection("c1")
c2 = Collection("c2")
t1 = Task("t1")
t2 = Task("t2")
c1.add(t1)
c1.add(t2)
c3 = Collection("c3")
c3.add(t2)
c3.add(t1)
c1.add(c2.add(c3))
fs.addCollection(c1)
# created: [[t1, t2, [t2, t1]]]
print fs.__str__()
#print fs.__dict__
#print fs.collRoot.__dict__
# Versuch in einer Schleife dynamisch auf ein mit Koordinaten spezifiertes Object zuzugreifen
#co=[0,2] # Koordinaten
#print "pick element ", co
#el = root
#for n in co:
# el = el._data[n]
#el.show(True)
#p1=task("res")
#p1.show(True)
#p1=root.pick([0,1])
#p1.show(True)
#root.pick([0,2,1]).show(True)
#print "should be t1"
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