first step towards pattern-assisted auto-filling of transactions

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / patterns / PatternsRecyclerViewAdapter.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/patterns/PatternsRecyclerViewAdapter.java b/app/src/main/java/net/ktnx/mobileledger/ui/patterns/PatternsRecyclerViewAdapter.java
new file mode 100644 (file)
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--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/patterns/PatternsRecyclerViewAdapter.java
@@ -0,0 +1,74 @@
+/*
+ * 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);
+    }
+}