diff options
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt')
-rw-r--r-- | wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt b/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt new file mode 100644 index 00000000..4b1b062c --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt @@ -0,0 +1,92 @@ +/* + * This file is part of GNU Taler + * (C) 2020 Taler Systems S.A. + * + * GNU Taler is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 3, or (at your option) any later version. + * + * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.wallet.payment + +import android.graphics.Bitmap +import android.graphics.BitmapFactory.decodeByteArray +import android.util.Base64 +import android.view.LayoutInflater +import android.view.View +import android.view.View.GONE +import android.view.View.VISIBLE +import android.view.ViewGroup +import android.widget.ImageView +import android.widget.TextView +import androidx.recyclerview.widget.RecyclerView +import androidx.recyclerview.widget.RecyclerView.ViewHolder +import net.taler.wallet.R +import net.taler.wallet.payment.ProductAdapter.ProductViewHolder + +internal interface ProductImageClickListener { + fun onImageClick(image: Bitmap) +} + +internal class ProductAdapter(private val listener: ProductImageClickListener) : + RecyclerView.Adapter<ProductViewHolder>() { + + private val items = ArrayList<ContractProduct>() + + override fun getItemCount() = items.size + + override fun getItemViewType(position: Int): Int { + return if (itemCount == 1) 1 else 0 + } + + override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ProductViewHolder { + val res = + if (viewType == 1) R.layout.list_item_product_single else R.layout.list_item_product + val view = LayoutInflater.from(parent.context).inflate(res, parent, false) + return ProductViewHolder(view) + } + + override fun onBindViewHolder(holder: ProductViewHolder, position: Int) { + holder.bind(items[position]) + } + + fun setItems(items: List<ContractProduct>) { + this.items.clear() + this.items.addAll(items) + notifyDataSetChanged() + } + + internal inner class ProductViewHolder(v: View) : ViewHolder(v) { + private val quantity: TextView = v.findViewById(R.id.quantity) + private val image: ImageView = v.findViewById(R.id.image) + private val name: TextView = v.findViewById(R.id.name) + private val price: TextView = v.findViewById(R.id.price) + + fun bind(product: ContractProduct) { + quantity.text = product.quantity.toString() + if (product.image == null) { + image.visibility = GONE + } else { + image.visibility = VISIBLE + // product.image was validated before, so non-null below + val match = REGEX_PRODUCT_IMAGE.matchEntire(product.image)!! + val decodedString = Base64.decode(match.groups[2]!!.value, Base64.DEFAULT) + val bitmap = decodeByteArray(decodedString, 0, decodedString.size) + image.setImageBitmap(bitmap) + if (itemCount > 1) image.setOnClickListener { + listener.onImageClick(bitmap) + } + } + name.text = product.description + price.text = product.totalPrice.toString() + } + } + +} |