1 files changed, 62 insertions, 0 deletions
diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoryAdapter.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoryAdapter.kt
new file mode 100644
index 0000000..c690ec5
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+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoryAdapter.kt
@@ -0,0 +1,62 @@
+/*
+ * 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.merchantpos.order
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.Adapter
+import net.taler.merchantpos.R
+import net.taler.merchantpos.config.Category
+import net.taler.merchantpos.order.CategoryAdapter.CategoryViewHolder
+
+internal class CategoryAdapter(private val listener: CategorySelectionListener) :
+    Adapter<CategoryViewHolder>() {
+
+    private val categories = ArrayList<Category>()
+
+    override fun getItemCount() = categories.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CategoryViewHolder {
+        val view =
+            LayoutInflater.from(parent.context).inflate(R.layout.list_item_category, parent, false)
+        return CategoryViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: CategoryViewHolder, position: Int) {
+        holder.bind(categories[position])
+    }
+
+    fun setItems(items: List<Category>) {
+        categories.clear()
+        categories.addAll(items)
+        notifyDataSetChanged()
+    }
+
+    internal inner class CategoryViewHolder(v: View) : RecyclerView.ViewHolder(v) {
+        private val button: Button = v.findViewById(R.id.button)
+
+        fun bind(category: Category) {
+            button.text = category.localizedName
+            button.isPressed = category.selected
+            button.setOnClickListener { listener.onCategorySelected(category) }
+        }
+    }
+
+}