/
RecyclerLinearPlaceholderFragment.kt
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/
RecyclerLinearPlaceholderFragment.kt
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/*
* Copyright (C) 2021 panpf <panpfpanpf@oulook.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.panpf.assemblyadapter.sample.ui.recycler
import android.os.Bundle
import android.view.LayoutInflater
import android.view.ViewGroup
import android.widget.Toast
import androidx.appcompat.widget.Toolbar
import androidx.fragment.app.viewModels
import androidx.navigation.fragment.navArgs
import androidx.paging.LoadState
import androidx.recyclerview.widget.ConcatAdapter
import androidx.recyclerview.widget.LinearLayoutManager
import com.github.panpf.assemblyadapter.recycler.AssemblyRecyclerAdapter
import com.github.panpf.assemblyadapter.recycler.AssemblySingleDataRecyclerAdapter
import com.github.panpf.assemblyadapter.sample.base.ToolbarFragment
import com.github.panpf.assemblyadapter.sample.databinding.FragmentRecyclerBinding
import com.github.panpf.assemblyadapter.sample.item.AppItemFactory
import com.github.panpf.assemblyadapter.sample.item.AppPlaceholderItemFactory
import com.github.panpf.assemblyadapter.sample.item.AppsOverviewItemFactory
import com.github.panpf.assemblyadapter.sample.item.ListSeparatorItemFactory
import com.github.panpf.assemblyadapter.sample.item.LoadStateItemFactory
import com.github.panpf.assemblyadapter.sample.vm.AppsOverviewViewModel
import com.github.panpf.assemblyadapter.sample.vm.PinyinFlatAppListViewModel
class RecyclerLinearPlaceholderFragment : ToolbarFragment<FragmentRecyclerBinding>() {
private val args: RecyclerLinearPlaceholderFragmentArgs by navArgs()
private val appsOverviewViewModel by viewModels<AppsOverviewViewModel>()
private val pinyinFlatAppListViewModel by viewModels<PinyinFlatAppListViewModel>()
private var registered = false
override fun createViewBinding(
inflater: LayoutInflater, parent: ViewGroup?
): FragmentRecyclerBinding {
return FragmentRecyclerBinding.inflate(inflater, parent, false)
}
override fun onInitData(
toolbar: Toolbar,
binding: FragmentRecyclerBinding,
savedInstanceState: Bundle?
) {
toolbar.title = args.title
toolbar.subtitle = args.subtitle
val appsOverviewAdapter =
AssemblySingleDataRecyclerAdapter(AppsOverviewItemFactory(requireActivity()))
val recyclerAdapter = AssemblyRecyclerAdapter(
listOf(
AppItemFactory(requireActivity()),
ListSeparatorItemFactory(requireActivity()),
AppPlaceholderItemFactory(requireActivity()),
),
arrayOfNulls<Any?>(100).toList()
)
val footerLoadStateAdapter =
AssemblySingleDataRecyclerAdapter(LoadStateItemFactory(requireActivity()))
binding.recyclerRecycler.apply {
adapter = ConcatAdapter(appsOverviewAdapter, recyclerAdapter, footerLoadStateAdapter)
layoutManager = LinearLayoutManager(requireContext())
}
registered = false
binding.recyclerRefreshLayout.setOnRefreshListener {
if (!registered) {
registered = true
pinyinFlatAppListViewModel.loadingData.observe(viewLifecycleOwner) {
binding.recyclerRefreshLayout.isRefreshing = it == true
}
appsOverviewViewModel.appsOverviewData.observe(viewLifecycleOwner) {
appsOverviewAdapter.data = it
}
pinyinFlatAppListViewModel.pinyinFlatAppListData.observe(viewLifecycleOwner) {
recyclerAdapter.submitList(it)
footerLoadStateAdapter.data = LoadState.NotLoading(true)
}
}
pinyinFlatAppListViewModel.refresh()
}
Toast.makeText(
requireContext(),
"Pull down to refresh to load real data",
Toast.LENGTH_LONG
).show()
}
}