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.Bundle;
  21 import android.view.LayoutInflater;
  22 import android.view.Menu;
  23 import android.view.MenuInflater;
  24 import android.view.MenuItem;
  25 import android.view.View;
  26 import android.view.ViewGroup;
  27 import android.view.inputmethod.InputMethodManager;
  28
  29 import androidx.annotation.NonNull;
  30 import androidx.annotation.Nullable;
  31 import androidx.lifecycle.ViewModelProvider;
  32 import androidx.recyclerview.widget.LinearLayoutManager;
  33 import androidx.recyclerview.widget.RecyclerView;
  34 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
  35
  36 import net.ktnx.mobileledger.R;
  37 import net.ktnx.mobileledger.async.TransactionDateFinder;
  38 import net.ktnx.mobileledger.databinding.TransactionListFragmentBinding;
  39 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  40 import net.ktnx.mobileledger.db.Profile;
  41 import net.ktnx.mobileledger.model.Data;
  42 import net.ktnx.mobileledger.ui.DatePickerFragment;
  43 import net.ktnx.mobileledger.ui.FabManager;
  44 import net.ktnx.mobileledger.ui.MainModel;
  45 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  46 import net.ktnx.mobileledger.ui.activity.MainActivity;
  47 import net.ktnx.mobileledger.utils.Colors;
  48 import net.ktnx.mobileledger.utils.Globals;
  49 import net.ktnx.mobileledger.utils.Logger;
  50 import net.ktnx.mobileledger.utils.SimpleDate;
  51
  52 import org.jetbrains.annotations.NotNull;
  53
  54 import java.util.Locale;
  55
  56 import static android.content.Context.INPUT_METHOD_SERVICE;
  57 import static net.ktnx.mobileledger.utils.Logger.debug;
  58
  59 public class TransactionListFragment extends MobileLedgerListFragment
  60         implements DatePickerFragment.DatePickedListener {
  61     private MenuItem menuTransactionListFilter;
  62     private MenuItem menuGoToDate;
  63     private MainModel model;
  64     private boolean fragmentActive = false;
  65     private TransactionListFragmentBinding b;
  66     @Override
  67     public void onCreate(@Nullable Bundle savedInstanceState) {
  68         super.onCreate(savedInstanceState);
  69         setHasOptionsMenu(true);
  70     }
  71     @Nullable
  72     @Override
  73     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  74                              @Nullable Bundle savedInstanceState) {
  75         b = TransactionListFragmentBinding.inflate(inflater, container, false);
  76         return b.getRoot();
  77     }
  78     @Override
  79     public void onResume() {
  80         super.onResume();
  81         fragmentActive = true;
  82         toggleMenuItems();
  83         debug("flow", "TransactionListFragment.onResume()");
  84     }
  85     private void toggleMenuItems() {
  86         if (menuGoToDate != null)
  87             menuGoToDate.setVisible(fragmentActive);
  88         if (menuTransactionListFilter != null) {
  89             final int filterVisibility = b.transactionListAccountNameFilter.getVisibility();
  90             menuTransactionListFilter.setVisible(
  91                     fragmentActive && filterVisibility != View.VISIBLE);
  92         }
  93     }
  94     @Override
  95     public void onStop() {
  96         super.onStop();
  97         fragmentActive = false;
  98         toggleMenuItems();
  99         debug("flow", "TransactionListFragment.onStop()");
 100     }
 101     @Override
 102     public void onPause() {
 103         super.onPause();
 104         fragmentActive = false;
 105         toggleMenuItems();
 106         debug("flow", "TransactionListFragment.onPause()");
 107     }
 108     @Override
 109     public SwipeRefreshLayout getRefreshLayout() {
 110         return b.transactionSwipe;
 111     }
 112     @Override
 113     public void onViewCreated(@NotNull View view, @Nullable Bundle savedInstanceState) {
 114         debug("flow", "TransactionListFragment.onActivityCreated called");
 115         super.onViewCreated(view, savedInstanceState);
 116         Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
 117                 this::onBackgroundTaskRunningChanged);
 118
 119         MainActivity mainActivity = getMainActivity();
 120
 121         model = new ViewModelProvider(requireActivity()).get(MainModel.class);
 122
 123         modelAdapter = new TransactionListAdapter();
 124         b.transactionRoot.setAdapter(modelAdapter);
 125
 126         mainActivity.fabShouldShow();
 127
 128         if (mainActivity instanceof FabManager.FabHandler)
 129             FabManager.handle(mainActivity, b.transactionRoot);
 130
 131         LinearLayoutManager llm = new LinearLayoutManager(mainActivity);
 132
 133         llm.setOrientation(RecyclerView.VERTICAL);
 134         b.transactionRoot.setLayoutManager(llm);
 135
 136         b.transactionSwipe.setOnRefreshListener(() -> {
 137             debug("ui", "refreshing transactions via swipe");
 138             model.scheduleTransactionListRetrieval();
 139         });
 140
 141         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 142
 143         Data.observeProfile(getViewLifecycleOwner(), this::onProfileChanged);
 144
 145         b.transactionFilterAccountName.setOnItemClickListener((parent, v, position, id) -> {
 146 //                debug("tmp", "direct onItemClick");
 147             model.getAccountFilter()
 148                  .setValue(parent.getItemAtPosition(position)
 149                                  .toString());
 150             Globals.hideSoftKeyboard(mainActivity);
 151         });
 152
 153         model.getAccountFilter()
 154              .observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 155
 156         model.getUpdatingFlag()
 157              .observe(getViewLifecycleOwner(), (flag) -> b.transactionSwipe.setRefreshing(flag));
 158         model.getDisplayedTransactions()
 159              .observe(getViewLifecycleOwner(), list -> modelAdapter.setTransactions(list));
 160
 161         view.findViewById(R.id.clearAccountNameFilter)
 162             .setOnClickListener(v -> {
 163                 model.getAccountFilter()
 164                      .setValue(null);
 165                 Globals.hideSoftKeyboard(mainActivity);
 166             });
 167
 168         model.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
 169             Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
 170             if (pos != null) {
 171                 b.transactionRoot.scrollToPosition(pos);
 172                 // reset the value to avoid re-notification upon reconfiguration or app restart
 173                 model.foundTransactionItemIndex.setValue(null);
 174             }
 175         });
 176     }
 177     private void onProfileChanged(Profile profile) {
 178         if (profile == null)
 179             return;
 180
 181         b.transactionFilterAccountName.setAdapter(
 182                 new AccountAutocompleteAdapter(getContext(), profile));
 183     }
 184     private void onAccountNameFilterChanged(String accName) {
 185         b.transactionFilterAccountName.setText(accName, false);
 186
 187         boolean filterActive = (accName != null) && !accName.isEmpty();
 188         b.transactionListAccountNameFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 189         if (menuTransactionListFilter != null)
 190             menuTransactionListFilter.setVisible(!filterActive);
 191     }
 192     @Override
 193     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 194         inflater.inflate(R.menu.transaction_list, menu);
 195
 196         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 197         if ((menuTransactionListFilter == null))
 198             throw new AssertionError();
 199         menuGoToDate = menu.findItem(R.id.menu_go_to_date);
 200         if ((menuGoToDate == null))
 201             throw new AssertionError();
 202
 203         model.getAccountFilter()
 204              .observe(this, v -> menuTransactionListFilter.setVisible(v == null));
 205
 206         super.onCreateOptionsMenu(menu, inflater);
 207
 208         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 209             b.transactionListAccountNameFilter.setVisibility(View.VISIBLE);
 210             menuTransactionListFilter.setVisible(false);
 211             b.transactionFilterAccountName.requestFocus();
 212             InputMethodManager imm =
 213                     (InputMethodManager) getMainActivity().getSystemService(INPUT_METHOD_SERVICE);
 214             imm.showSoftInput(b.transactionFilterAccountName, 0);
 215
 216             return true;
 217         });
 218
 219         menuGoToDate.setOnMenuItemClickListener(item -> {
 220             DatePickerFragment picker = new DatePickerFragment();
 221             picker.setOnDatePickedListener(this);
 222             picker.setDateRange(model.getFirstTransactionDate(), model.getLastTransactionDate());
 223             picker.show(requireActivity().getSupportFragmentManager(), null);
 224             return true;
 225         });
 226
 227         toggleMenuItems();
 228     }
 229     @Override
 230     public void onDatePicked(int year, int month, int day) {
 231         RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
 232         TransactionDateFinder finder = new TransactionDateFinder(model, new SimpleDate(year, month + 1, day));
 233
 234         finder.start();
 235     }
 236 }