mirror of https://github.com/TeamNewPipe/NewPipe
119 lines
4.5 KiB
Kotlin
119 lines
4.5 KiB
Kotlin
package org.schabi.newpipe.local.subscription.dialog
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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.fragment.app.DialogFragment
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import androidx.lifecycle.Observer
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import androidx.lifecycle.ViewModelProvider
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import androidx.recyclerview.widget.ItemTouchHelper
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import androidx.recyclerview.widget.ItemTouchHelper.SimpleCallback
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import com.xwray.groupie.GroupAdapter
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import com.xwray.groupie.TouchCallback
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import com.xwray.groupie.kotlinandroidextensions.GroupieViewHolder
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import icepick.Icepick
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import icepick.State
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import kotlinx.android.synthetic.main.dialog_feed_group_reorder.confirm_button
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import kotlinx.android.synthetic.main.dialog_feed_group_reorder.feed_groups_list
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import org.schabi.newpipe.R
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import org.schabi.newpipe.database.feed.model.FeedGroupEntity
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import org.schabi.newpipe.local.subscription.dialog.FeedGroupReorderDialogViewModel.DialogEvent.ProcessingEvent
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import org.schabi.newpipe.local.subscription.dialog.FeedGroupReorderDialogViewModel.DialogEvent.SuccessEvent
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import org.schabi.newpipe.local.subscription.item.FeedGroupReorderItem
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import org.schabi.newpipe.util.ThemeHelper
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import java.util.Collections
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class FeedGroupReorderDialog : DialogFragment() {
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private lateinit var viewModel: FeedGroupReorderDialogViewModel
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@State
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@JvmField
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var groupOrderedIdList = ArrayList<Long>()
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private val groupAdapter = GroupAdapter<GroupieViewHolder>()
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private val itemTouchHelper = ItemTouchHelper(getItemTouchCallback())
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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Icepick.restoreInstanceState(this, savedInstanceState)
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setStyle(STYLE_NO_TITLE, ThemeHelper.getMinWidthDialogTheme(requireContext()))
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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return inflater.inflate(R.layout.dialog_feed_group_reorder, container)
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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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viewModel = ViewModelProvider(this).get(FeedGroupReorderDialogViewModel::class.java)
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viewModel.groupsLiveData.observe(viewLifecycleOwner, Observer(::handleGroups))
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viewModel.dialogEventLiveData.observe(
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viewLifecycleOwner,
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Observer {
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when (it) {
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ProcessingEvent -> disableInput()
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SuccessEvent -> dismiss()
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}
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}
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)
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feed_groups_list.layoutManager = LinearLayoutManager(requireContext())
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feed_groups_list.adapter = groupAdapter
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itemTouchHelper.attachToRecyclerView(feed_groups_list)
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confirm_button.setOnClickListener {
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viewModel.updateOrder(groupOrderedIdList)
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}
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}
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override fun onSaveInstanceState(outState: Bundle) {
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super.onSaveInstanceState(outState)
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Icepick.saveInstanceState(this, outState)
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}
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private fun handleGroups(list: List<FeedGroupEntity>) {
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val groupList: List<FeedGroupEntity>
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if (groupOrderedIdList.isEmpty()) {
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groupList = list
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groupOrderedIdList.addAll(groupList.map { it.uid })
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} else {
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groupList = list.sortedBy { groupOrderedIdList.indexOf(it.uid) }
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}
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groupAdapter.update(groupList.map { FeedGroupReorderItem(it, itemTouchHelper) })
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}
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private fun disableInput() {
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confirm_button?.isEnabled = false
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isCancelable = false
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}
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private fun getItemTouchCallback(): SimpleCallback {
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return object : TouchCallback() {
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override fun onMove(
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recyclerView: RecyclerView,
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source: RecyclerView.ViewHolder,
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target: RecyclerView.ViewHolder
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): Boolean {
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val sourceIndex = source.adapterPosition
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val targetIndex = target.adapterPosition
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groupAdapter.notifyItemMoved(sourceIndex, targetIndex)
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Collections.swap(groupOrderedIdList, sourceIndex, targetIndex)
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return true
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}
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override fun isLongPressDragEnabled(): Boolean = false
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override fun isItemViewSwipeEnabled(): Boolean = false
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override fun onSwiped(viewHolder: RecyclerView.ViewHolder, swipeDir: Int) {}
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}
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}
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}
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