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 import android.widget.AutoCompleteTextView;
  30
  31 import androidx.annotation.NonNull;
  32 import androidx.annotation.Nullable;
  33 import androidx.lifecycle.ViewModelProvider;
  34 import androidx.recyclerview.widget.LinearLayoutManager;
  35 import androidx.recyclerview.widget.RecyclerView;
  36
  37 import net.ktnx.mobileledger.R;
  38 import net.ktnx.mobileledger.async.TransactionDateFinder;
  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 View vAccountFilter;
  64     private AutoCompleteTextView accNameFilter;
  65     private MainModel model;
  66     private boolean fragmentActive = false;
  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         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
  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 = vAccountFilter.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 void onViewCreated(@NotNull View view, @Nullable Bundle savedInstanceState) {
 110         debug("flow", "TransactionListFragment.onActivityCreated called");
 111         super.onViewCreated(view, savedInstanceState);
 112
 113         Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
 114                 this::onBackgroundTaskRunningChanged);
 115
 116         MainActivity mainActivity = getMainActivity();
 117
 118         model = new ViewModelProvider(requireActivity()).get(MainModel.class);
 119
 120         refreshLayout = view.findViewById(R.id.transaction_swipe);
 121         if (refreshLayout == null)
 122             throw new RuntimeException("Can't get hold on the swipe layout");
 123         root = view.findViewById(R.id.transaction_root);
 124         if (root == null)
 125             throw new RuntimeException("Can't get hold on the transaction value view");
 126         modelAdapter = new TransactionListAdapter();
 127         root.setAdapter(modelAdapter);
 128
 129         mainActivity.fabShouldShow();
 130
 131         if (mainActivity instanceof FabManager.FabHandler)
 132             FabManager.handle(mainActivity, root);
 133
 134         LinearLayoutManager llm = new LinearLayoutManager(mainActivity);
 135
 136         llm.setOrientation(RecyclerView.VERTICAL);
 137         root.setLayoutManager(llm);
 138
 139         refreshLayout.setOnRefreshListener(() -> {
 140             debug("ui", "refreshing transactions via swipe");
 141             model.scheduleTransactionListRetrieval();
 142         });
 143
 144         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 145
 146         vAccountFilter = view.findViewById(R.id.transaction_list_account_name_filter);
 147         accNameFilter = view.findViewById(R.id.transaction_filter_account_name);
 148
 149         Data.observeProfile(getViewLifecycleOwner(), this::onProfileChanged);
 150
 151         accNameFilter.setOnItemClickListener((parent, v, position, id) -> {
 152 //                debug("tmp", "direct onItemClick");
 153             model.getAccountFilter()
 154                  .setValue(parent.getItemAtPosition(position)
 155                                  .toString());
 156             Globals.hideSoftKeyboard(mainActivity);
 157         });
 158
 159         model.getAccountFilter()
 160              .observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 161
 162         model.getUpdatingFlag()
 163              .observe(getViewLifecycleOwner(), (flag) -> refreshLayout.setRefreshing(flag));
 164         model.getDisplayedTransactions()
 165              .observe(getViewLifecycleOwner(), list -> modelAdapter.setTransactions(list));
 166
 167         view.findViewById(R.id.clearAccountNameFilter)
 168             .setOnClickListener(v -> {
 169                 model.getAccountFilter()
 170                      .setValue(null);
 171                 Globals.hideSoftKeyboard(mainActivity);
 172             });
 173
 174         model.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
 175             Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
 176             if (pos != null) {
 177                 root.scrollToPosition(pos);
 178                 // reset the value to avoid re-notification upon reconfiguration or app restart
 179                 model.foundTransactionItemIndex.setValue(null);
 180             }
 181         });
 182     }
 183     private void onProfileChanged(Profile profile) {
 184         if (profile == null)
 185             return;
 186
 187         accNameFilter.setAdapter(new AccountAutocompleteAdapter(getContext(), profile));
 188     }
 189     private void onAccountNameFilterChanged(String accName) {
 190         accNameFilter.setText(accName, false);
 191
 192         boolean filterActive = (accName != null) && !accName.isEmpty();
 193         if (vAccountFilter != null) {
 194             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 195         }
 196         if (menuTransactionListFilter != null)
 197             menuTransactionListFilter.setVisible(!filterActive);
 198     }
 199     @Override
 200     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 201         inflater.inflate(R.menu.transaction_list, menu);
 202
 203         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 204         if ((menuTransactionListFilter == null))
 205             throw new AssertionError();
 206         menuGoToDate = menu.findItem(R.id.menu_go_to_date);
 207         if ((menuGoToDate == null))
 208             throw new AssertionError();
 209
 210         model.getAccountFilter()
 211              .observe(this, v -> menuTransactionListFilter.setVisible(v == null));
 212
 213         super.onCreateOptionsMenu(menu, inflater);
 214
 215         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 216             vAccountFilter.setVisibility(View.VISIBLE);
 217             menuTransactionListFilter.setVisible(false);
 218             accNameFilter.requestFocus();
 219             InputMethodManager imm =
 220                     (InputMethodManager) getMainActivity().getSystemService(INPUT_METHOD_SERVICE);
 221             imm.showSoftInput(accNameFilter, 0);
 222
 223             return true;
 224         });
 225
 226         menuGoToDate.setOnMenuItemClickListener(item -> {
 227             DatePickerFragment picker = new DatePickerFragment();
 228             picker.setOnDatePickedListener(this);
 229             picker.setDateRange(model.getFirstTransactionDate(), model.getLastTransactionDate());
 230             picker.show(requireActivity().getSupportFragmentManager(), null);
 231             return true;
 232         });
 233
 234         toggleMenuItems();
 235     }
 236     @Override
 237     public void onDatePicked(int year, int month, int day) {
 238         RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
 239         AsyncTask<TransactionDateFinder.Params, Void, Integer> finder = new TransactionDateFinder();
 240
 241         finder.execute(
 242                 new TransactionDateFinder.Params(model, new SimpleDate(year, month + 1, day)));
 243     }
 244 }