--- /dev/null
+/*
+ * Copyright © 2021 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe 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 terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.ui.patterns;
+
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.AsyncListDiffer;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.RecyclerView;
+
+import net.ktnx.mobileledger.databinding.PatternLayoutBinding;
+import net.ktnx.mobileledger.model.PatternEntry;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Objects;
+
+public class PatternsRecyclerViewAdapter extends RecyclerView.Adapter<PatternViewHolder> {
+ private final AsyncListDiffer<PatternEntry> listDiffer;
+ public PatternsRecyclerViewAdapter() {
+ listDiffer = new AsyncListDiffer<>(this, new DiffUtil.ItemCallback<PatternEntry>() {
+ @Override
+ public boolean areItemsTheSame(@NotNull PatternEntry oldItem,
+ @NotNull PatternEntry newItem) {
+ return oldItem.getId() == newItem.getId();
+ }
+ @Override
+ public boolean areContentsTheSame(@NotNull PatternEntry oldItem,
+ @NotNull PatternEntry newItem) {
+ return Objects.equals(oldItem.getName(), newItem.getName());
+ }
+ });
+ }
+ @NonNull
+ @Override
+ public PatternViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+ PatternLayoutBinding b =
+ PatternLayoutBinding.inflate(LayoutInflater.from(parent.getContext()), parent,
+ false);
+
+ return new PatternViewHolder(b);
+ }
+ @Override
+ public void onBindViewHolder(@NonNull PatternViewHolder holder, int position) {
+ holder.bindToItem(listDiffer.getCurrentList()
+ .get(position));
+ }
+ @Override
+ public int getItemCount() {
+ return listDiffer.getCurrentList()
+ .size();
+ }
+ public void setPatterns(List<PatternEntry> newList) {
+ listDiffer.submitList(newList);
+ }
+}