81 lines
2.3 KiB
Kotlin
81 lines
2.3 KiB
Kotlin
package com.github.apognu.otter.fragments
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.core.widget.NestedScrollView
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import androidx.fragment.app.Fragment
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import com.github.apognu.otter.repositories.Repository
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import com.github.apognu.otter.utils.untilNetwork
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import kotlinx.android.synthetic.main.fragment_artists.*
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abstract class FunkwhaleAdapter<D, VH : RecyclerView.ViewHolder> : RecyclerView.Adapter<VH>() {
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var data: MutableList<D> = mutableListOf()
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}
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abstract class FunkwhaleFragment<D : Any, A : FunkwhaleAdapter<D, *>> : Fragment() {
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abstract val viewRes: Int
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abstract val recycler: RecyclerView
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open val layoutManager: RecyclerView.LayoutManager get() = LinearLayoutManager(context)
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lateinit var repository: Repository<D, *>
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lateinit var adapter: A
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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return inflater.inflate(viewRes, container, false)
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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recycler.layoutManager = layoutManager
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recycler.adapter = adapter
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scroller?.setOnScrollChangeListener { _: NestedScrollView?, _: Int, _: Int, _: Int, _: Int ->
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if (!scroller.canScrollVertically(1)) {
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repository.fetch(Repository.Origin.Network.origin, adapter.data).untilNetwork {
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swiper?.isRefreshing = false
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onDataFetched(it)
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adapter.data = it.toMutableList()
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adapter.notifyDataSetChanged()
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}
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}
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}
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swiper?.isRefreshing = true
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repository.fetch().untilNetwork {
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swiper?.isRefreshing = false
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onDataFetched(it)
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adapter.data = it.toMutableList()
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adapter.notifyDataSetChanged()
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}
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}
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override fun onResume() {
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super.onResume()
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recycler.adapter = adapter
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swiper?.setOnRefreshListener {
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repository.fetch(Repository.Origin.Network.origin, listOf()).untilNetwork {
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swiper?.isRefreshing = false
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onDataFetched(it)
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adapter.data = it.toMutableList()
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adapter.notifyDataSetChanged()
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}
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}
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}
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open fun onDataFetched(data: List<D>) {}
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}
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