class FragToDoList : Fragment(), DialogAddTodo.ToDoAddedListener {
    // TODO: Rename and change types of parameters
    private var param1: String? = null
    private var param2: String? = null


     private val toDoList: MutableList<ToDoItem>? = null
     lateinit var adapter: ToDoAdapter
    private lateinit var listViewItem: ListView



   lateinit var mContext: Context
    override fun onAttach(context: Context) {
        super.onAttach(context)
        mContext = context
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        arguments?.let {
            param1 = it.getString(ARG_PARAM1)
            param2 = it.getString(ARG_PARAM2)
        }
    }


    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {

        val view: View = inflater.inflate(R.layout.fragment_frag__to_do_list, container, false)
        listViewItem = view.findViewById(R.id.listView)
        //for showing items in list view
//        adapter = ToDoAdapter(mContext, toDoList!!)
//        listViewItem.adapter = adapter

        val fab = view.findViewById<FloatingActionButton>(R.id.fabAddTask)
        fab?.setOnClickListener {
            showAddTaskDialog(childFragmentManager);

        }
        // Inflate the layout for this fragment
        return view
    }

    private fun showAddTaskDialog(childFragmentManager:FragmentManager) {
        var dialog = DialogAddTodo()
        dialog.show(childFragmentManager,DialogAddTodo.TAG)
    }


    companion object {
        /**
         * Use this factory method to create a new instance of
         * this fragment using the provided parameters.
         *
         * @param param1 Parameter 1.
         * @param param2 Parameter 2.
         * @return A new instance of fragment FragTodoList.
         */
        // TODO: Rename and change types and number of parameters
        @JvmStatic
        fun newInstance(param1: String, param2: String) =
            FragToDoList().apply {
                arguments = Bundle().apply {
                    putString(ARG_PARAM1, param1)
                    putString(ARG_PARAM2, param2)
                }
            }
    }

    override fun onToDoAdded(item: ToDoItem) {
        toast("added",mContext)
    }
}

class DialogAddTodo : DialogFragment() {

    interface ToDoAddedListener {
        fun onToDoAdded(item: ToDoItem)
    }

    private lateinit var onTodoAdded: ToDoAddedListener
    private val todoItemModel: TodoItemModel? =null

    companion object {
        const val TAG = "Dialog Add Task"
    }

    lateinit var mContext: Context

    override fun onAttach(context: Context) {
        super.onAttach(context)
        mContext = context
    }

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {

        val view: View = inflater.inflate(R.layout.dialog_add_task, container, false)

        var addBut = view.findViewById<Button>(R.id.butAddTaskDialog)
        addBut.setOnClickListener()
        {
            val todoItemData = ToDoItem.createToDoItem()

            var taskNameText =
                view.findViewById<TextView>(R.id.editTextTaskName)

            if (taskNameText != null)
                todoItemData.itemDataText = taskNameText?.text.toString()
            todoItemData.done = false

            todoItemData.UID = getRandomString(Int.SIZE_BITS - 1)

//            Frag_ToDoList().adapter.notifyDataSetChanged()
            //b.setItem(todoItemData)
            //todoItemModel.setItem(todoItemData)

            onTodoAdded.onToDoAdded(todoItemData)
            this.dismiss()

        }

        return view
    }


}