app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java

   1 /*
   2  * Copyright © 2021 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.transaction_list;
  19
  20 import android.os.AsyncTask;
  21 import android.os.Bundle;
  22 import android.view.LayoutInflater;
  23 import android.view.Menu;
  24 import android.view.MenuInflater;
  25 import android.view.MenuItem;
  26 import android.view.View;
  27 import android.view.ViewGroup;
  28 import android.view.inputmethod.InputMethodManager;
  29
  30 import androidx.annotation.NonNull;
  31 import androidx.annotation.Nullable;
  32 import androidx.lifecycle.ViewModelProvider;
  33 import androidx.recyclerview.widget.LinearLayoutManager;
  34 import androidx.recyclerview.widget.RecyclerView;
  35 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
  36
  37 import net.ktnx.mobileledger.R;
  38 import net.ktnx.mobileledger.async.TransactionDateFinder;
  39 import net.ktnx.mobileledger.databinding.TransactionListFragmentBinding;
  40 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  41 import net.ktnx.mobileledger.db.Profile;
  42 import net.ktnx.mobileledger.model.Data;
  43 import net.ktnx.mobileledger.ui.DatePickerFragment;
  44 import net.ktnx.mobileledger.ui.FabManager;
  45 import net.ktnx.mobileledger.ui.MainModel;
  46 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  47 import net.ktnx.mobileledger.ui.activity.MainActivity;
  48 import net.ktnx.mobileledger.utils.Colors;
  49 import net.ktnx.mobileledger.utils.Globals;
  50 import net.ktnx.mobileledger.utils.Logger;
  51 import net.ktnx.mobileledger.utils.SimpleDate;
  52
  53 import org.jetbrains.annotations.NotNull;
  54
  55 import java.util.Locale;
  56
  57 import static android.content.Context.INPUT_METHOD_SERVICE;
  58 import static net.ktnx.mobileledger.utils.Logger.debug;
  59
  60 public class TransactionListFragment extends MobileLedgerListFragment
  61         implements DatePickerFragment.DatePickedListener {
  62     private MenuItem menuTransactionListFilter;
  63     private MenuItem menuGoToDate;
  64     private MainModel model;
  65     private boolean fragmentActive = false;
  66     private TransactionListFragmentBinding b;
  67     @Override
  68     public void onCreate(@Nullable Bundle savedInstanceState) {
  69         super.onCreate(savedInstanceState);
  70         setHasOptionsMenu(true);
  71     }
  72     @Nullable
  73     @Override
  74     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  75                              @Nullable Bundle savedInstanceState) {
  76         b = TransactionListFragmentBinding.inflate(inflater, container, false);
  77         return b.getRoot();
  78     }
  79     @Override
  80     public void onResume() {
  81         super.onResume();
  82         fragmentActive = true;
  83         toggleMenuItems();
  84         debug("flow", "TransactionListFragment.onResume()");
  85     }
  86     private void toggleMenuItems() {
  87         if (menuGoToDate != null)
  88             menuGoToDate.setVisible(fragmentActive);
  89         if (menuTransactionListFilter != null) {
  90             final int filterVisibility = b.transactionListAccountNameFilter.getVisibility();
  91             menuTransactionListFilter.setVisible(
  92                     fragmentActive && filterVisibility != View.VISIBLE);
  93         }
  94     }
  95     @Override
  96     public void onStop() {
  97         super.onStop();
  98         fragmentActive = false;
  99         toggleMenuItems();
 100         debug("flow", "TransactionListFragment.onStop()");
 101     }
 102     @Override
 103     public void onPause() {
 104         super.onPause();
 105         fragmentActive = false;
 106         toggleMenuItems();
 107         debug("flow", "TransactionListFragment.onPause()");
 108     }
 109     @Override
 110     public SwipeRefreshLayout getRefreshLayout() {
 111         return b.transactionSwipe;
 112     }
 113     @Override
 114     public void onViewCreated(@NotNull View view, @Nullable Bundle savedInstanceState) {
 115         debug("flow", "TransactionListFragment.onActivityCreated called");
 116         super.onViewCreated(view, savedInstanceState);
 117         Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
 118                 this::onBackgroundTaskRunningChanged);
 119
 120         MainActivity mainActivity = getMainActivity();
 121
 122         model = new ViewModelProvider(requireActivity()).get(MainModel.class);
 123
 124         modelAdapter = new TransactionListAdapter();
 125         b.transactionRoot.setAdapter(modelAdapter);
 126
 127         mainActivity.fabShouldShow();
 128
 129         if (mainActivity instanceof FabManager.FabHandler)
 130             FabManager.handle(mainActivity, b.transactionRoot);
 131
 132         LinearLayoutManager llm = new LinearLayoutManager(mainActivity);
 133
 134         llm.setOrientation(RecyclerView.VERTICAL);
 135         b.transactionRoot.setLayoutManager(llm);
 136
 137         b.transactionSwipe.setOnRefreshListener(() -> {
 138             debug("ui", "refreshing transactions via swipe");
 139             model.scheduleTransactionListRetrieval();
 140         });
 141
 142         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 143
 144         Data.observeProfile(getViewLifecycleOwner(), this::onProfileChanged);
 145
 146         b.transactionFilterAccountName.setOnItemClickListener((parent, v, position, id) -> {
 147 //                debug("tmp", "direct onItemClick");
 148             model.getAccountFilter()
 149                  .setValue(parent.getItemAtPosition(position)
 150                                  .toString());
 151             Globals.hideSoftKeyboard(mainActivity);
 152         });
 153
 154         model.getAccountFilter()
 155              .observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 156
 157         model.getUpdatingFlag()
 158              .observe(getViewLifecycleOwner(), (flag) -> b.transactionSwipe.setRefreshing(flag));
 159         model.getDisplayedTransactions()
 160              .observe(getViewLifecycleOwner(), list -> modelAdapter.setTransactions(list));
 161
 162         view.findViewById(R.id.clearAccountNameFilter)
 163             .setOnClickListener(v -> {
 164                 model.getAccountFilter()
 165                      .setValue(null);
 166                 Globals.hideSoftKeyboard(mainActivity);
 167             });
 168
 169         model.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
 170             Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
 171             if (pos != null) {
 172                 b.transactionRoot.scrollToPosition(pos);
 173                 // reset the value to avoid re-notification upon reconfiguration or app restart
 174                 model.foundTransactionItemIndex.setValue(null);
 175             }
 176         });
 177     }
 178     private void onProfileChanged(Profile profile) {
 179         if (profile == null)
 180             return;
 181
 182         b.transactionFilterAccountName.setAdapter(
 183                 new AccountAutocompleteAdapter(getContext(), profile));
 184     }
 185     private void onAccountNameFilterChanged(String accName) {
 186         b.transactionFilterAccountName.setText(accName, false);
 187
 188         boolean filterActive = (accName != null) && !accName.isEmpty();
 189         b.transactionListAccountNameFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 190         if (menuTransactionListFilter != null)
 191             menuTransactionListFilter.setVisible(!filterActive);
 192     }
 193     @Override
 194     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 195         inflater.inflate(R.menu.transaction_list, menu);
 196
 197         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 198         if ((menuTransactionListFilter == null))
 199             throw new AssertionError();
 200         menuGoToDate = menu.findItem(R.id.menu_go_to_date);
 201         if ((menuGoToDate == null))
 202             throw new AssertionError();
 203
 204         model.getAccountFilter()
 205              .observe(this, v -> menuTransactionListFilter.setVisible(v == null));
 206
 207         super.onCreateOptionsMenu(menu, inflater);
 208
 209         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 210             b.transactionListAccountNameFilter.setVisibility(View.VISIBLE);
 211             menuTransactionListFilter.setVisible(false);
 212             b.transactionFilterAccountName.requestFocus();
 213             InputMethodManager imm =
 214                     (InputMethodManager) getMainActivity().getSystemService(INPUT_METHOD_SERVICE);
 215             imm.showSoftInput(b.transactionFilterAccountName, 0);
 216
 217             return true;
 218         });
 219
 220         menuGoToDate.setOnMenuItemClickListener(item -> {
 221             DatePickerFragment picker = new DatePickerFragment();
 222             picker.setOnDatePickedListener(this);
 223             picker.setDateRange(model.getFirstTransactionDate(), model.getLastTransactionDate());
 224             picker.show(requireActivity().getSupportFragmentManager(), null);
 225             return true;
 226         });
 227
 228         toggleMenuItems();
 229     }
 230     @Override
 231     public void onDatePicked(int year, int month, int day) {
 232         RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
 233         AsyncTask<TransactionDateFinder.Params, Void, Integer> finder = new TransactionDateFinder();
 234
 235         finder.execute(
 236                 new TransactionDateFinder.Params(model, new SimpleDate(year, month + 1, day)));
 237     }
 238 }