show current account balance when choosing account in new transactions

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

diff --git a/app/src/main/java/net/ktnx/mobileledger/db/AccountWithAmountsAutocompleteAdapter.java b/app/src/main/java/net/ktnx/mobileledger/db/AccountWithAmountsAutocompleteAdapter.java
new file mode 100644 (file)
index 0000000..e99df9f
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/db/AccountWithAmountsAutocompleteAdapter.java
@@ -0,0 +1,109 @@
+/*
+ * 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.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Filter;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.dao.AccountDAO;
+import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.utils.Logger;
+import net.ktnx.mobileledger.utils.Misc;
+
+import java.util.List;
+
+public class AccountWithAmountsAutocompleteAdapter extends ArrayAdapter<AccountWithAmounts> {
+    private final AccountFilter filter = new AccountFilter();
+    private final long profileId;
+    public AccountWithAmountsAutocompleteAdapter(Context context, @NonNull Profile profile) {
+        super(context, R.layout.account_autocomplete_row);
+        profileId = profile.getId();
+    }
+    @NonNull
+    @Override
+    public Filter getFilter() {
+        return filter;
+    }
+    @NonNull
+    @Override
+    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+        View view = convertView;
+        if (view == null) {
+            view = LayoutInflater.from(parent.getContext())
+                                 .inflate(R.layout.account_autocomplete_row, parent, false);
+        }
+        AccountWithAmounts item = getItem(position);
+        ((TextView) view.findViewById(R.id.account_name)).setText(item.account.getName());
+        StringBuilder amountsText = new StringBuilder();
+        for (AccountValue amt : item.amounts) {
+            if (amountsText.length() != 0)
+                amountsText.append('\n');
+            String currency = amt.getCurrency();
+            if (Misc.emptyIsNull(currency) != null)
+                amountsText.append(currency)
+                           .append(' ');
+            amountsText.append(Data.formatNumber(amt.getValue()));
+        }
+        ((TextView) view.findViewById(R.id.amounts)).setText(amountsText.toString());
+
+        return view;
+    }
+    class AccountFilter extends Filter {
+        private final AccountDAO dao = DB.get()
+                                         .getAccountDAO();
+        @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<AccountWithAmounts> matches =
+                    dao.lookupWithAmountsInProfileByNameSync(profileId, 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<AccountWithAmounts>) results.values);
+                notifyDataSetChanged();
+            }
+        }
+    }
+}