# Bryan Schumaker (8/7/2010)

data = None

class Map(dict):
	savefile = None
	def __init__(self, file=None):
		dict.__init__(self)
		self.savefile = file
		self.reload()

	def __setitem__(self, key, value):
		dict.__setitem__(self, key, value)
		self.save()

	def __getitem__(self, key):
		return dict.get(self, key, None)

	def has(self,key):
		return key in self

	def save(self):
		if self.savefile == None:
			return
		global data
		if data == None:
			import data
		data.save(self, self.savefile)

	def reload(self):
		if self.savefile == None:
			return
		global data
		if data == None:
			import data
		item = data.load(self.savefile)
		if item == None:
			return
		for key in item:
			dict.__setitem__(self, key, item[key])