if let emoji = emoji {
            symbolTextField.text = emoji.symbol
            nameTextField.text = emoji.name
            descriptionTextField.text = emoji.description
            usageTextField.text = emoji.usage
            title = "Edit Emoji"
        } else {
            title = "Add Emoji"
        }

        updateSaveButtonState()


    func updateSaveButtonState() {
        let symbolText = symbolTextField.text ?? ""
        let nameText = nameTextField.text ?? ""
        let descriptionText = descriptionTextField.text ?? ""
        let usageText = usageTextField.text ?? ""
        saveButton.isEnabled = !symbolText.isEmpty && !nameText.isEmpty && !descriptionText.isEmpty && !usageText.isEmpty
    }