replace custom autocompletion adapter hooking with specialised adapters

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / db / TransactionDescriptionAutocompleteAdapter.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/db/TransactionDescriptionAutocompleteAdapter.java b/app/src/main/java/net/ktnx/mobileledger/db/TransactionDescriptionAutocompleteAdapter.java
new file mode 100644 (file)
index 0000000..f5c10ca
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/db/TransactionDescriptionAutocompleteAdapter.java
@@ -0,0 +1,76 @@
+/*
+ * 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.db;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+import android.widget.Filter;
+
+import androidx.annotation.NonNull;
+
+import net.ktnx.mobileledger.dao.TransactionDAO;
+import net.ktnx.mobileledger.utils.Logger;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TransactionDescriptionAutocompleteAdapter extends ArrayAdapter<String> {
+    private final TransactionFilter filter = new TransactionFilter();
+    private final TransactionDAO dao = DB.get()
+                                         .getTransactionDAO();
+    public TransactionDescriptionAutocompleteAdapter(Context context) {
+        super(context, android.R.layout.simple_dropdown_item_1line, new ArrayList<>());
+    }
+    @NonNull
+    @Override
+    public Filter getFilter() {
+        return filter;
+    }
+    class TransactionFilter extends Filter {
+        @Override
+        protected FilterResults performFiltering(CharSequence constraint) {
+            FilterResults results = new FilterResults();
+            if (constraint == null) {
+                results.count = 0;
+                return results;
+            }
+
+            Logger.debug("acc", String.format("Looking for account '%s'", constraint));
+            final List<String> matches = TransactionDAO.unbox(dao.lookupDescriptionSync(
+                    String.valueOf(constraint)
+                          .toUpperCase()));
+            results.values = matches;
+            results.count = matches.size();
+
+            return results;
+        }
+        @Override
+        @SuppressWarnings("unchecked")
+        protected void publishResults(CharSequence constraint, FilterResults results) {
+            if (results.values == null) {
+                notifyDataSetInvalidated();
+            }
+            else {
+                setNotifyOnChange(false);
+                clear();
+                addAll((List<String>) results.values);
+                notifyDataSetChanged();
+            }
+        }
+    }
+}