ConsumableDetailFragment.kt

package com.jephtecolin.kwii.ui.consumable_detail

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.databinding.Observable
import androidx.databinding.ObservableDouble
import androidx.fragment.app.viewModels
import androidx.navigation.fragment.findNavController
import com.airbnb.epoxy.EpoxyRecyclerView
import com.jephtecolin.kwii.*
import com.jephtecolin.model.Consumable
import com.jephtecolin.model.Topping
import com.jephtecolin.kwii.databinding.ConsumableDetailFragmentBinding
import com.jephtecolin.kwii.ui.custom.OnCheckedChangeListener
import com.jephtecolin.kwii.ui.custom.counterView
import com.jephtecolin.kwii.util.TAG
import com.jephtecolin.kwii.util.setOnCheckedChangeListener
import timber.log.Timber


class ConsumableDetailFragment : Fragment() {
    private lateinit var binding: ConsumableDetailFragmentBinding
    private val viewModel: ConsumableDetailViewModel by viewModels()

    val topping = Topping("1", "Hot Cheese", 30.00)

    val toppings: List<Topping> = listOf(topping, topping, topping, topping, topping)

    val consumable = Consumable(
            "1",
            "Griot de boeuf",
            "Food",
            250.00,
            "https://www.innovatorsmag.com/wp-content/uploads/2017/03/IF-Burger-1024x772.jpg",
            "Griot de boeuf en sauce, servis avec des bananes pese, des frites et du salade",
            "Boeuf, Banane, Choux, Radis",
    )




    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
                              savedInstanceState: Bundle?): View {
        binding = ConsumableDetailFragmentBinding.inflate(inflater, container, false)
        binding.lifecycleOwner = this
        binding.viewModel = viewModel
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        binding.consumable = consumable
        val rvConsumableDetail: EpoxyRecyclerView = view.findViewById(R.id.rvConsumableDetail)

//        viewModel.totalCost.observe(viewLifecycleOwner) {
//            Timber.d("From observable: " + it)
//            binding.tvAddToCart.setText(it.toString())
//        }

        viewModel.totalCost.addOnPropertyChangedCallback(
                object : Observable.OnPropertyChangedCallback() {
            override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
                Toast.makeText(context, (sender as ObservableDouble).get().toString(), Toast.LENGTH_LONG).show()
                Timber.d(" totalPrice :" + (sender as ObservableDouble).get())
            }
        })


        rvConsumableDetail.withModels {
            itemConsumableDesc {
                id("consumable description")
                consumable(consumable)
            }


            itemCheckbox {
                id("topping")
                toppings(toppings.toTypedArray())
                listener(object : OnCheckedChangeListener {
                    override fun onCheckedChange(totalPrice: Double) {
                        // todo("Not yet implemented")
                        Timber.d("itemCheckBox totalPrice :" + totalPrice)
                    }
                })
            }


            counterView {
                id("counter")
            }
        }

        binding.tvAddToCart.setOnClickListener {
            Timber.tag(TAG).d("Add to Cart clicked")
            findNavController().navigateUp()
        }
    }
}