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@@ -0,0 +1,172 @@
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+package eu.kanade.tachiyomi.ui.setting.database
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+
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+import android.annotation.SuppressLint
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+import android.app.Dialog
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+import android.os.Bundle
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+import android.view.LayoutInflater
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+import android.view.Menu
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+import android.view.MenuInflater
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+import android.view.MenuItem
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+import android.view.View
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+import androidx.core.view.forEach
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+import androidx.core.view.get
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+import androidx.core.view.isVisible
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+import androidx.recyclerview.widget.LinearLayoutManager
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+import androidx.recyclerview.widget.RecyclerView
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+import com.google.android.material.dialog.MaterialAlertDialogBuilder
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+import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
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+import dev.chrisbanes.insetter.applyInsetter
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+import eu.davidea.flexibleadapter.FlexibleAdapter
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+import eu.davidea.flexibleadapter.Payload
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+import eu.kanade.tachiyomi.R
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+import eu.kanade.tachiyomi.databinding.ClearDatabaseControllerBinding
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+import eu.kanade.tachiyomi.ui.base.controller.DialogController
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+import eu.kanade.tachiyomi.ui.base.controller.FabController
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+import eu.kanade.tachiyomi.ui.base.controller.NucleusController
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+import eu.kanade.tachiyomi.util.system.toast
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+
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+class ClearDatabaseController :
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+ NucleusController<ClearDatabaseControllerBinding, ClearDatabasePresenter>(),
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+ FlexibleAdapter.OnItemClickListener,
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+ FlexibleAdapter.OnUpdateListener,
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+ FabController {
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+
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+ private var recycler: RecyclerView? = null
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+ private var adapter: FlexibleAdapter<ClearDatabaseSourceItem>? = null
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+
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+ private var menu: Menu? = null
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+
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+ private var actionFab: ExtendedFloatingActionButton? = null
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+ private var actionFabScrollListener: RecyclerView.OnScrollListener? = null
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+
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+ init {
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+ setHasOptionsMenu(true)
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+ }
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+
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+ override fun createBinding(inflater: LayoutInflater): ClearDatabaseControllerBinding {
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+ return ClearDatabaseControllerBinding.inflate(inflater)
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+ }
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+
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+ override fun createPresenter(): ClearDatabasePresenter {
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+ return ClearDatabasePresenter()
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+ }
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+
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+ override fun getTitle(): String? {
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+ return activity?.getString(R.string.pref_clear_database)
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+ }
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+
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+ override fun onViewCreated(view: View) {
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+ super.onViewCreated(view)
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+
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+ binding.recycler.applyInsetter {
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+ type(navigationBars = true) {
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+ padding()
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+ }
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+ }
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+
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+ adapter = FlexibleAdapter<ClearDatabaseSourceItem>(null, this, true)
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+ binding.recycler.adapter = adapter
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+ binding.recycler.layoutManager = LinearLayoutManager(activity)
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+ binding.recycler.setHasFixedSize(true)
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+ adapter?.fastScroller = binding.fastScroller
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+ recycler = binding.recycler
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+ }
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+
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+ override fun onDestroyView(view: View) {
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+ adapter = null
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+ super.onDestroyView(view)
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+ }
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+
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+ override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
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+ inflater.inflate(R.menu.generic_selection, menu)
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+ this.menu = menu
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+ menu.forEach { menuItem -> menuItem.isVisible = (adapter?.itemCount ?: 0) > 0 }
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+ }
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+
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+ override fun onOptionsItemSelected(item: MenuItem): Boolean {
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+ val adapter = adapter ?: return false
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+ when (item.itemId) {
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+ R.id.action_select_all -> adapter.selectAll()
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+ R.id.action_select_inverse -> {
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+ val currentSelection = adapter.selectedPositionsAsSet
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+ val invertedSelection = (0..adapter.itemCount)
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+ .filterNot { currentSelection.contains(it) }
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+ currentSelection.clear()
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+ currentSelection.addAll(invertedSelection)
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+ }
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+ }
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+ updateFab()
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+ adapter.notifyItemRangeChanged(0, adapter.itemCount, Payload.SELECTION)
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+ return super.onOptionsItemSelected(item)
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+ }
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+
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+ override fun onUpdateEmptyView(size: Int) {
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+ if (size > 0) {
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+ binding.emptyView.hide()
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+ } else {
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+ binding.emptyView.show(activity!!.getString(R.string.database_clean))
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+ }
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+
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+ menu?.forEach { menuItem -> menuItem.isVisible = size > 0 }
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+ }
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+
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+ override fun onItemClick(view: View?, position: Int): Boolean {
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+ val adapter = adapter ?: return false
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+ adapter.toggleSelection(position)
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+ adapter.notifyItemChanged(position, Payload.SELECTION)
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+ updateFab()
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+ return true
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+ }
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+
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+ fun setItems(items: List<ClearDatabaseSourceItem>) {
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+ adapter?.updateDataSet(items)
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+ }
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+
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+ override fun configureFab(fab: ExtendedFloatingActionButton) {
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+ fab.setIconResource(R.drawable.ic_delete_24dp)
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+ fab.setText(R.string.action_delete)
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+ fab.isVisible = false
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+ fab.setOnClickListener {
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+ val ctrl = ClearDatabaseSourcesDialog()
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+ ctrl.targetController = this
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+ ctrl.showDialog(router)
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+ }
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+ actionFab = fab
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+ }
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+
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+ private fun updateFab() {
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+ val adapter = adapter ?: return
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+ actionFab?.isVisible = adapter.selectedItemCount > 0
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+ }
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+
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+ override fun cleanupFab(fab: ExtendedFloatingActionButton) {
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+ actionFab?.setOnClickListener(null)
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+ actionFabScrollListener?.let { recycler?.removeOnScrollListener(it) }
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+ actionFab = null
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+ }
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+
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+ class ClearDatabaseSourcesDialog : DialogController() {
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+ override fun onCreateDialog(savedViewState: Bundle?): Dialog {
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+ return MaterialAlertDialogBuilder(activity!!)
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+ .setMessage(R.string.clear_database_confirmation)
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+ .setPositiveButton(android.R.string.ok) { _, _ ->
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+ (targetController as? ClearDatabaseController)?.clearDatabaseForSelectedSources()
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+ }
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+ .setNegativeButton(android.R.string.cancel, null)
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+ .create()
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+ }
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+ }
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+
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+ @SuppressLint("NotifyDataSetChanged")
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+ private fun clearDatabaseForSelectedSources() {
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+ val adapter = adapter ?: return
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+ val selectedSourceIds = adapter.selectedPositions.mapNotNull { position ->
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+ adapter.getItem(position)?.source?.id
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+ }
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+ presenter.clearDatabaseForSourceIds(selectedSourceIds)
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+ actionFab!!.isVisible = false
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+ adapter.clearSelection()
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+ adapter.notifyDataSetChanged()
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+ activity?.toast(R.string.clear_database_completed)
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+ }
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+}
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Hunter Nickel