1 files changed, 90 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt b/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt
new file mode 100644
index 0000000..74a798f
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+++ b/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt
@@ -0,0 +1,90 @@
+/*
+ * 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.withdraw
+
+import android.transition.TransitionManager.beginDelayedTransition
+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 io.noties.markwon.Markwon
+import net.taler.wallet.R
+
+class TosAdapter(
+    private val markwon: Markwon
+) : RecyclerView.Adapter<TosAdapter.TosSectionViewHolder>() {
+
+    private val items = ArrayList<TosSection>()
+
+    init {
+        setHasStableIds(true)
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun getItemId(position: Int): Long {
+        return items[position].node.hashCode().toLong()
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TosSectionViewHolder {
+        val v = LayoutInflater.from(parent.context).inflate(R.layout.list_item_tos, parent, false)
+        return TosSectionViewHolder(v)
+    }
+
+    override fun onBindViewHolder(holder: TosSectionViewHolder, position: Int) {
+        holder.bind(items[position])
+    }
+
+    fun setSections(sections: List<TosSection>) {
+        items.clear()
+        items.addAll(sections)
+        notifyDataSetChanged()
+    }
+
+    inner class TosSectionViewHolder(private val v: View) : RecyclerView.ViewHolder(v) {
+        private val sectionTitle: TextView = v.findViewById(R.id.sectionTitle)
+        private val expandButton: ImageView = v.findViewById(R.id.expandButton)
+        private val sectionText: TextView = v.findViewById(R.id.sectionText)
+
+        fun bind(item: TosSection) {
+            sectionTitle.text = item.title
+            showSection(item, item.expanded)
+            val onClickListener = View.OnClickListener {
+                if (!item.expanded) beginDelayedTransition(v as ViewGroup)
+                item.expanded = !item.expanded
+                showSection(item, item.expanded)
+            }
+            sectionTitle.setOnClickListener(onClickListener)
+        }
+
+        private fun showSection(item: TosSection, show: Boolean) {
+            if (show) {
+                expandButton.setImageResource(R.drawable.ic_keyboard_arrow_up)
+                markwon.setParsedMarkdown(sectionText, markwon.render(item.node))
+                sectionText.visibility = VISIBLE
+            } else {
+                expandButton.setImageResource(R.drawable.ic_keyboard_arrow_down)
+                sectionText.visibility = GONE
+            }
+        }
+    }
+
+}