ref: 93a6775f0368bca54e65214a198aad04e8cff92a
app/src/main/java/xyz/apiote/bimba/czwek/dashboard/ui/home/HomeFragment.kt
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// SPDX-FileCopyrightText: Adam Evyčędo // // SPDX-License-Identifier: GPL-3.0-or-later package xyz.apiote.bimba.czwek.dashboard.ui.home import android.os.Bundle import android.os.CountDownTimer import android.view.KeyEvent import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.TextView import androidx.activity.OnBackPressedCallback import androidx.core.view.ViewCompat import androidx.core.view.WindowInsetsCompat import androidx.core.view.updateLayoutParams import androidx.core.view.updatePadding import androidx.fragment.app.Fragment import androidx.lifecycle.ViewModelProvider import androidx.recyclerview.widget.ItemTouchHelper import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView import com.google.android.material.search.SearchView.TransitionState import com.google.android.material.snackbar.Snackbar import xyz.apiote.bimba.czwek.R import xyz.apiote.bimba.czwek.dashboard.MainActivity import xyz.apiote.bimba.czwek.databinding.FragmentHomeBinding import xyz.apiote.bimba.czwek.dpToPixelI import xyz.apiote.bimba.czwek.repo.Favourite import xyz.apiote.bimba.czwek.search.BimbaResultsAdapter import xyz.apiote.bimba.czwek.units.Second class HomeFragment : Fragment() { private var _binding: FragmentHomeBinding? = null private val binding get() = _binding!! private lateinit var adapter: BimbaResultsAdapter private lateinit var favouritesAdapter: BimbaFavouritesAdapter private lateinit var viewModel: HomeViewModel private val countdown = object : CountDownTimer(Second(30).milliseconds(), Second(10).milliseconds()) { override fun onTick(millisUntilFinished: Long) { } override fun onFinish() { refreshDepartures() } } override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View { _binding = FragmentHomeBinding.inflate(inflater, container, false) viewModel = ViewModelProvider(this)[HomeViewModel::class.java] viewModel.queryables.observe(viewLifecycleOwner) { adapter.feedsSettings = viewModel.feedsSettings adapter.feeds = viewModel.feeds adapter.update(it, null, false) } viewModel.favourites.observe(viewLifecycleOwner) { favouritesAdapter.updateFavourites(it) refreshDepartures() } viewModel.departures.observe(viewLifecycleOwner) { favouritesAdapter.updateDepartures(it) } countdown.start() binding.searchView.setupWithSearchBar(binding.searchBar) val onBackPressedCallback = object : OnBackPressedCallback(binding.searchView.currentTransitionState == TransitionState.SHOWN) { override fun handleOnBackPressed() { binding.searchBar.collapse(binding.searchView) } } activity?.onBackPressedDispatcher?.addCallback(onBackPressedCallback) binding.searchView.addTransitionListener { _, _, newState -> onBackPressedCallback.isEnabled = when (newState) { TransitionState.SHOWN -> true TransitionState.HIDDEN -> false else -> false } if (newState === TransitionState.HIDING) { adapter.update(listOf(), null, false) } } binding.searchBar.setNavigationOnClickListener { (context as MainActivity).onNavigationClicked() } binding.suggestionsRecycler.layoutManager = LinearLayoutManager(activity) adapter = BimbaResultsAdapter(layoutInflater, activity, listOf(), null, null, false) binding.suggestionsRecycler.adapter = adapter binding.searchView.editText.addTextChangedListener( viewModel.SearchBarWatcher(requireContext()) ) binding.searchView.editText.setOnKeyListener { v, keyCode, event -> when (keyCode) { KeyEvent.KEYCODE_ENTER -> { if (event.action == KeyEvent.ACTION_UP) { (context as MainActivity).onSearchClicked((v as TextView).text) true } else { false } } else -> false } } binding.floatingActionButton.setOnClickListener { (context as MainActivity).onGpsClicked(this) } ViewCompat.setOnApplyWindowInsetsListener(binding.root) { _, windowInsets -> val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars()) binding.floatingActionButton.updateLayoutParams<ViewGroup.MarginLayoutParams> { rightMargin = insets.right + dpToPixelI(16f) } binding.searchBar.updateLayoutParams<ViewGroup.MarginLayoutParams> { rightMargin = insets.right + dpToPixelI(8f) leftMargin = insets.left + dpToPixelI(8f) topMargin = insets.top + dpToPixelI(8f) } binding.suggestionsRecycler.updatePadding(left = insets.left, right = insets.right) windowInsets.displayCutout?.safeInsetLeft?.let { binding.suggestionsRecycler.updateLayoutParams<ViewGroup.MarginLayoutParams> { leftMargin = it } } binding.favourites.updatePadding(left = insets.left, right = insets.right) binding.favourites.updateLayoutParams<ViewGroup.MarginLayoutParams> { windowInsets.displayCutout?.safeInsetLeft?.let { leftMargin = it + dpToPixelI(16f) } windowInsets.displayCutout?.safeInsetRight?.let { rightMargin = it + dpToPixelI(16f) } } windowInsets } binding.favourites.layoutManager = LinearLayoutManager(context) favouritesAdapter = BimbaFavouritesAdapter(listOf(), mapOf(), layoutInflater, requireContext()) binding.favourites.adapter = favouritesAdapter viewModel.getFavourites(requireContext()) val ith = ItemTouchHelper(object : ItemTouchHelper.Callback() { var newFavourites = emptyList<Favourite>() override fun onMove( recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder, target: RecyclerView.ViewHolder ): Boolean { newFavourites = favouritesAdapter.swap(viewHolder.absoluteAdapterPosition, target.absoluteAdapterPosition) return true } override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) { val (newFavourites, removedFavourite) = favouritesAdapter.delete(viewHolder.absoluteAdapterPosition) this.newFavourites = newFavourites Snackbar.make(binding.fragmentRoot, R.string.favourite_deleted, Snackbar.LENGTH_LONG) .setAction(R.string.undo) { this.newFavourites = favouritesAdapter.insert(removedFavourite) viewModel.saveFavourites(this.newFavourites, requireContext()) } .show() } override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) { super.clearView(recyclerView, viewHolder) viewModel.saveFavourites(newFavourites, requireContext()) } override fun getMovementFlags( recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder ): Int { return makeFlag( ItemTouchHelper.ACTION_STATE_DRAG, ItemTouchHelper.DOWN or ItemTouchHelper.UP ) or makeFlag( ItemTouchHelper.ACTION_STATE_SWIPE, ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT ) } }) ith.attachToRecyclerView(binding.favourites) return binding.root } fun refreshDepartures() { viewModel.getDepartures(requireContext()) countdown.start() } override fun onResume() { super.onResume() viewModel.getFavourites(requireContext()) } override fun onDestroyView() { super.onDestroyView() _binding = null countdown.cancel() } } |