From 35f7ed512ed7445362d6caee1bf60441f4ce979e Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Tue, 4 Aug 2020 09:46:38 -0300
Subject: [pos] Implement new refund API (untested since there is no wallet
 support)

Also do a bit of code cleanup and minor refactorings

This also removes the volley HTTP library which is not needed anymore
---
 .../taler/merchantpos/order/OrderStateFragment.kt  | 92 ----------------------
 1 file changed, 92 deletions(-)

(limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderStateFragment.kt')

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderStateFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderStateFragment.kt
index f792d7a..b60f3a5 100644
--- a/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderStateFragment.kt
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/order/OrderStateFragment.kt
@@ -18,32 +18,21 @@ package net.taler.merchantpos.order
 
 import android.os.Bundle
 import android.view.LayoutInflater
-import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
-import android.widget.TextView
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.Observer
-import androidx.recyclerview.selection.ItemDetailsLookup
-import androidx.recyclerview.selection.ItemKeyProvider
 import androidx.recyclerview.selection.SelectionPredicates
 import androidx.recyclerview.selection.SelectionTracker
 import androidx.recyclerview.selection.StorageStrategy
-import androidx.recyclerview.widget.AsyncListDiffer
-import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.RecyclerView.Adapter
-import androidx.recyclerview.widget.RecyclerView.ViewHolder
 import kotlinx.android.synthetic.main.fragment_order_state.*
 import net.taler.common.fadeIn
 import net.taler.common.fadeOut
 import net.taler.merchantpos.MainViewModel
 import net.taler.merchantpos.R
-import net.taler.merchantpos.config.ConfigProduct
 import net.taler.merchantpos.order.OrderAdapter.OrderLineLookup
-import net.taler.merchantpos.order.OrderAdapter.OrderViewHolder
 
 class OrderStateFragment : Fragment() {
 
@@ -130,84 +119,3 @@ class OrderStateFragment : Fragment() {
     }
 
 }
-
-private class OrderAdapter : Adapter<OrderViewHolder>() {
-
-    lateinit var tracker: SelectionTracker<String>
-    val keyProvider = OrderKeyProvider()
-    private val itemCallback = object : DiffUtil.ItemCallback<ConfigProduct>() {
-        override fun areItemsTheSame(oldItem: ConfigProduct, newItem: ConfigProduct): Boolean {
-            return oldItem == newItem
-        }
-
-        override fun areContentsTheSame(oldItem: ConfigProduct, newItem: ConfigProduct): Boolean {
-            return oldItem.quantity == newItem.quantity
-        }
-    }
-    private val differ = AsyncListDiffer(this, itemCallback)
-
-    override fun getItemCount() = differ.currentList.size
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): OrderViewHolder {
-        val view =
-            LayoutInflater.from(parent.context).inflate(R.layout.list_item_order, parent, false)
-        return OrderViewHolder(view)
-    }
-
-    override fun onBindViewHolder(holder: OrderViewHolder, position: Int) {
-        val item = getItem(position)!!
-        holder.bind(item, tracker.isSelected(item.id))
-    }
-
-    fun setItems(items: List<ConfigProduct>, commitCallback: () -> Unit) {
-        // toMutableList() is needed for some reason, otherwise doesn't update adapter
-        differ.submitList(items.toMutableList(), commitCallback)
-    }
-
-    fun getItem(position: Int): ConfigProduct? = differ.currentList[position]
-
-    fun getItemByKey(key: String): ConfigProduct? {
-        return differ.currentList.find { it.id == key }
-    }
-
-    fun findPosition(product: ConfigProduct): Int {
-        return differ.currentList.indexOf(product)
-    }
-
-    private inner class OrderViewHolder(private val v: View) : ViewHolder(v) {
-        private val quantity: TextView = v.findViewById(R.id.quantity)
-        private val name: TextView = v.findViewById(R.id.name)
-        private val price: TextView = v.findViewById(R.id.price)
-
-        fun bind(product: ConfigProduct, selected: Boolean) {
-            v.isActivated = selected
-            quantity.text = product.quantity.toString()
-            name.text = product.localizedDescription
-            price.text = product.totalPrice.amountStr
-        }
-    }
-
-    private inner class OrderKeyProvider : ItemKeyProvider<String>(SCOPE_MAPPED) {
-        override fun getKey(position: Int) = getItem(position)!!.id
-        override fun getPosition(key: String): Int {
-            return differ.currentList.indexOfFirst { it.id == key }
-        }
-    }
-
-    internal class OrderLineLookup(private val list: RecyclerView) : ItemDetailsLookup<String>() {
-        override fun getItemDetails(e: MotionEvent): ItemDetails<String>? {
-            list.findChildViewUnder(e.x, e.y)?.let { view ->
-                val holder = list.getChildViewHolder(view)
-                val adapter = list.adapter as OrderAdapter
-                val position = holder.adapterPosition
-                return object : ItemDetails<String>() {
-                    override fun getPosition(): Int = position
-                    override fun getSelectionKey(): String = adapter.keyProvider.getKey(position)
-                    override fun inSelectionHotspot(e: MotionEvent) = true
-                }
-            }
-            return null
-        }
-    }
-
-}
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