ref: 7105ec75912dde319b3aa279342fde6fc6ec192b
app/src/main/java/ml/adamsprogs/bimba/models/adapters/FavouritesAdapter.kt
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package ml.adamsprogs.bimba.models.adapters import android.content.Context import android.util.SparseBooleanArray import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.ImageView import android.widget.TextView import androidx.appcompat.widget.PopupMenu import androidx.core.content.res.ResourcesCompat import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.GlobalScope import kotlinx.coroutines.android.Main import kotlinx.coroutines.launch import kotlinx.coroutines.withContext import ml.adamsprogs.bimba.R import ml.adamsprogs.bimba.collections.FavouriteStorage import ml.adamsprogs.bimba.models.Favourite import java.util.* class FavouritesAdapter(private val appContext: Context, var favourites: FavouriteStorage, private val onMenuItemClickListener: OnMenuItemClickListener, private val onClickListener: ViewHolder.OnClickListener) : androidx.recyclerview.widget.RecyclerView.Adapter<FavouritesAdapter.ViewHolder>() { private val selectedItems = SparseBooleanArray() private fun isSelected(position: Int) = getSelectedItems().contains(position) fun toggleSelection(position: Int) { if (selectedItems.get(position, false)) { selectedItems.delete(position) } else { selectedItems.put(position, true) } notifyItemChanged(position) } fun clearSelection() { selectedItems.clear() notifyDataSetChanged() } fun getSelectedItemCount() = selectedItems.size() fun getSelectedItems(): List<Int> { val items = ArrayList<Int>(selectedItems.size()) (0 until selectedItems.size()).mapTo(items) { selectedItems.keyAt(it) } return items } override fun getItemCount() = favourites.size override fun onBindViewHolder(holder: ViewHolder, position: Int) { GlobalScope.launch(Dispatchers.Main) /*Main on all?*/ { val favourite = favourites[position]!! holder.nameTextView.text = favourite.name holder.selectedOverlay.visibility = if (isSelected(position)) View.VISIBLE else View.INVISIBLE holder.moreButton.setOnClickListener { it -> val popup = PopupMenu(appContext, it) val inflater = popup.menuInflater popup.setOnMenuItemClickListener { when (it.itemId) { R.id.favourite_edit -> onMenuItemClickListener.edit(favourite.name) R.id.favourite_delete -> onMenuItemClickListener.delete(favourite.name) else -> false } } inflater.inflate(R.menu.favourite_actions, popup.menu) popup.show() } val nextDeparture = withContext(Dispatchers.Default) { favourite.nextDeparture() } val nextDepartureText: String val nextDepartureLineText: String if (nextDeparture != null) { nextDepartureLineText = appContext.getString(R.string.departure_to_line, nextDeparture.line, nextDeparture.headsign) nextDepartureText = nextDeparture.timeTillText(appContext) } else { nextDepartureText = appContext.getString(R.string.no_next_departure) nextDepartureLineText = "" } holder.timeTextView.text = nextDepartureText holder.lineTextView.text = nextDepartureLineText if (nextDeparture != null) { if (nextDeparture.vm) holder.typeIcon.setImageDrawable(ResourcesCompat.getDrawable(appContext.resources, R.drawable.ic_departure_vm, appContext.theme)) else holder.typeIcon.setImageDrawable(ResourcesCompat.getDrawable(appContext.resources, R.drawable.ic_departure_timetable, appContext.theme)) } } } override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { val context = parent.context val inflater = LayoutInflater.from(context) val rowView = inflater.inflate(R.layout.row_favourite, parent, false) return ViewHolder(rowView, onClickListener) } fun indexOf(name: String): Int { return favourites.indexOf(name) } operator fun get(index: String): Favourite? { return favourites[index] } class ViewHolder(itemView: View, private val listener: OnClickListener) : androidx.recyclerview.widget.RecyclerView.ViewHolder(itemView), View.OnClickListener, View.OnLongClickListener { override fun onLongClick(v: View?): Boolean { return listener.onItemLongClicked(adapterPosition) } override fun onClick(v: View?) { listener.onItemClicked(adapterPosition) } val selectedOverlay: View = itemView.findViewById(R.id.selected_overlay) val nameTextView: TextView = itemView.findViewById(R.id.favourite_name) val timeTextView: TextView = itemView.findViewById(R.id.favourite_time) val lineTextView: TextView = itemView.findViewById(R.id.favourite_line) val moreButton: ImageView = itemView.findViewById(R.id.favourite_more_button) val typeIcon: ImageView = itemView.findViewById(R.id.departureTypeIcon) init { itemView.setOnClickListener(this) itemView.setOnLongClickListener(this) } interface OnClickListener { fun onItemClicked(position: Int) fun onItemLongClicked(position: Int): Boolean } } interface OnMenuItemClickListener { fun edit(name: String): Boolean fun delete(name: String): Boolean } } |