def __init__(self, fenetre):
		self.setupUi(fenetre)
		self.ajouter_cat.setPlaceholderText("Ajouter une catégorie")
		self.ajouter_pwd.setPlaceholderText("Ajouter un mot de passe")
		self.lineEdit_ajout_site.setPlaceholderText("Ajouter un site web")


		# Evènements
		self.ajouter_cat.returnPressed.connect(self.check_if_exist_cat)
		self.ajouter_pwd.returnPressed.connect(self.check_if_exist_pwd)
		self.lineEdit_ajout_site.returnPressed.connect(self.check_new_site)
		self.pushButton_ajout_site.clicked.connect(self.check_new_site)



		self.sites = []
		self.cats = []
		self.pwds = []