Bimba.git

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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.Departure
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 || nextDeparture.onStop)
                    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))
                if (nextDeparture.lowFloor)
                    holder.floorIcon.visibility = View.VISIBLE
                if (nextDeparture.ticketMachine != Departure.TICKET_MACHINE_NONE) {
                    holder.ticketIcon.visibility = View.VISIBLE
                    if (nextDeparture.ticketMachine == Departure.TICKET_MACHINE_DRIVER)
                        holder.ticketIcon.setImageDrawable(ResourcesCompat.getDrawable(appContext.resources, R.drawable.ic_ticket, appContext.theme))
                    if (nextDeparture.ticketMachine == Departure.TICKET_MACHINE_AUTOMAT)
                        holder.ticketIcon.setImageDrawable(ResourcesCompat.getDrawable(appContext.resources, R.drawable.ic_ticket_machine, 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)
        val floorIcon: ImageView = itemView.findViewById(R.id.departureFloorIcon)
        val ticketIcon: ImageView = itemView.findViewById(R.id.ticketMachineIcon)

        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
    }
}