avoid scrolling to the last 'go to date' after reconfiguration

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

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
index 505c4063855eb9719a99f5947827c61b21f7fad7..47794138cd1cb9ed526d3d7360aa7cf904ddc306 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 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
@@ -18,7 +18,8 @@
 package net.ktnx.mobileledger.ui.transaction_list;
 
 import android.content.Context;
-import android.database.MatrixCursor;
+import android.database.Cursor;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -28,27 +29,37 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.AutoCompleteTextView;
-import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.snackbar.Snackbar;
+
 import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.async.TransactionDateFinder;
 import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.ui.DatePickerFragment;
 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
 import net.ktnx.mobileledger.ui.activity.MainActivity;
 import net.ktnx.mobileledger.utils.Colors;
 import net.ktnx.mobileledger.utils.Globals;
+import net.ktnx.mobileledger.utils.Logger;
 import net.ktnx.mobileledger.utils.MLDB;
+import net.ktnx.mobileledger.utils.SimpleDate;
 
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Locale;
+
 import static android.content.Context.INPUT_METHOD_SERVICE;
 import static net.ktnx.mobileledger.utils.Logger.debug;
 
-public class TransactionListFragment extends MobileLedgerListFragment {
+// TODO: support transaction-level comment
+
+public class TransactionListFragment extends MobileLedgerListFragment
+        implements DatePickerFragment.DatePickedListener {
     private MenuItem menuTransactionListFilter;
     private View vAccountFilter;
     private AutoCompleteTextView accNameFilter;
@@ -56,8 +67,6 @@ public class TransactionListFragment extends MobileLedgerListFragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
-        Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
-                this::onBackgroundTaskRunningChanged);
     }
     @Override
     public void onAttach(@NotNull Context context) {
@@ -90,6 +99,9 @@ public class TransactionListFragment extends MobileLedgerListFragment {
         debug("flow", "TransactionListFragment.onActivityCreated called");
         super.onActivityCreated(savedInstanceState);
 
+        Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
+                this::onBackgroundTaskRunningChanged);
+
         swiper = mActivity.findViewById(R.id.transaction_swipe);
         if (swiper == null)
             throw new RuntimeException("Can't get hold on the swipe layout");
@@ -121,8 +133,8 @@ public class TransactionListFragment extends MobileLedgerListFragment {
         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name");
         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 //                debug("tmp", "direct onItemClick");
-            MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
-            Data.accountFilter.setValue(mc.getString(1));
+            Cursor c = (Cursor) parent.getItemAtPosition(position);
+            Data.accountFilter.setValue(c.getString(1));
             Globals.hideSoftKeyboard(mActivity);
         });
 
@@ -135,8 +147,8 @@ public class TransactionListFragment extends MobileLedgerListFragment {
             if (err == null)
                 return;
 
-            Toast.makeText(mActivity, err, Toast.LENGTH_SHORT)
-                 .show();
+            Snackbar.make(this.root, err, Snackbar.LENGTH_LONG)
+                    .show();
             TransactionListViewModel.updateError.set(null);
         });
         Data.transactions.addObserver(
@@ -149,6 +161,15 @@ public class TransactionListFragment extends MobileLedgerListFragment {
                      menuTransactionListFilter.setVisible(true);
                      Globals.hideSoftKeyboard(mActivity);
                  });
+
+        Data.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
+            Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
+            if (pos != null) {
+                root.scrollToPosition(pos);
+                // reset the value to avoid re-notification upon reconfiguration or app restart
+                Data.foundTransactionItemIndex.setValue(null);
+            }
+        });
     }
     private void onAccountNameFilterChanged(String accName) {
         final String fieldText = accNameFilter.getText()
@@ -196,5 +217,22 @@ public class TransactionListFragment extends MobileLedgerListFragment {
 
             return true;
         });
+
+        menu.findItem(R.id.menu_go_to_date)
+            .setOnMenuItemClickListener(item -> {
+                DatePickerFragment picker = new DatePickerFragment();
+                picker.setOnDatePickedListener(this);
+                picker.setDateRange(Data.earliestTransactionDate.getValue(),
+                        Data.latestTransactionDate.getValue());
+                picker.show(requireActivity().getSupportFragmentManager(), null);
+                return true;
+            });
+    }
+    @Override
+    public void onDatePicked(int year, int month, int day) {
+        RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
+        AsyncTask<SimpleDate, Void, Integer> finder = new TransactionDateFinder();
+
+        finder.execute(new SimpleDate(year, month + 1, day));
     }
-}
\ No newline at end of file
+}