@Override
	public boolean doValidation() {
		
		if(nameTextField.getText().isEmpty()){
			addToValidationMassage("name is empty!");
				return false;
				
		}
		if(priceTextField.getText().isEmpty()){
			addToValidationMassage("price is empty!");
			return false;
		}
				
		if(quantityTextField.getText().isEmpty()){
			addToValidationMassage("quantity is empty!");
				return false;
		}
		return true;
	}