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 View vAccountFilter;
  63     private AutoCompleteTextView accNameFilter;
  64     private MainModel model;
  65     @Override
  66     public void onCreate(@Nullable Bundle savedInstanceState) {
  67         super.onCreate(savedInstanceState);
  68         setHasOptionsMenu(true);
  69     }
  70     @Nullable
  71     @Override
  72     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  73                              @Nullable Bundle savedInstanceState) {
  74         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
  75     }
  76     @Override
  77     public void onResume() {
  78         super.onResume();
  79         debug("flow", "TransactionListFragment.onResume()");
  80     }
  81     @Override
  82     public void onStop() {
  83         super.onStop();
  84         debug("flow", "TransactionListFragment.onStop()");
  85     }
  86     @Override
  87     public void onPause() {
  88         super.onPause();
  89         debug("flow", "TransactionListFragment.onPause()");
  90     }
  91     @Override
  92     public void onViewCreated(@NotNull View view, @Nullable Bundle savedInstanceState) {
  93         debug("flow", "TransactionListFragment.onActivityCreated called");
  94         super.onViewCreated(view, savedInstanceState);
  95
  96         Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
  97                 this::onBackgroundTaskRunningChanged);
  98
  99         MainActivity mainActivity = getMainActivity();
 100
 101         model = new ViewModelProvider(requireActivity()).get(MainModel.class);
 102
 103         refreshLayout = view.findViewById(R.id.transaction_swipe);
 104         if (refreshLayout == null)
 105             throw new RuntimeException("Can't get hold on the swipe layout");
 106         root = view.findViewById(R.id.transaction_root);
 107         if (root == null)
 108             throw new RuntimeException("Can't get hold on the transaction value view");
 109         modelAdapter = new TransactionListAdapter();
 110         root.setAdapter(modelAdapter);
 111
 112         mainActivity.fabShouldShow();
 113
 114         if (mainActivity instanceof FabManager.FabHandler)
 115             FabManager.handle(mainActivity, root);
 116
 117         LinearLayoutManager llm = new LinearLayoutManager(mainActivity);
 118
 119         llm.setOrientation(RecyclerView.VERTICAL);
 120         root.setLayoutManager(llm);
 121
 122         refreshLayout.setOnRefreshListener(() -> {
 123             debug("ui", "refreshing transactions via swipe");
 124             model.scheduleTransactionListRetrieval();
 125         });
 126
 127         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 128
 129         vAccountFilter = view.findViewById(R.id.transaction_list_account_name_filter);
 130         accNameFilter = view.findViewById(R.id.transaction_filter_account_name);
 131
 132         Data.observeProfile(getViewLifecycleOwner(), this::onProfileChanged);
 133
 134         accNameFilter.setOnItemClickListener((parent, v, position, id) -> {
 135 //                debug("tmp", "direct onItemClick");
 136             model.getAccountFilter()
 137                  .setValue(parent.getItemAtPosition(position)
 138                                  .toString());
 139             Globals.hideSoftKeyboard(mainActivity);
 140         });
 141
 142         model.getAccountFilter()
 143              .observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 144
 145         model.getUpdatingFlag()
 146              .observe(getViewLifecycleOwner(), (flag) -> refreshLayout.setRefreshing(flag));
 147         model.getDisplayedTransactions()
 148              .observe(getViewLifecycleOwner(), list -> modelAdapter.setTransactions(list));
 149
 150         view.findViewById(R.id.clearAccountNameFilter)
 151             .setOnClickListener(v -> {
 152                 model.getAccountFilter()
 153                      .setValue(null);
 154                 Globals.hideSoftKeyboard(mainActivity);
 155             });
 156
 157         model.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
 158             Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
 159             if (pos != null) {
 160                 root.scrollToPosition(pos);
 161                 // reset the value to avoid re-notification upon reconfiguration or app restart
 162                 model.foundTransactionItemIndex.setValue(null);
 163             }
 164         });
 165     }
 166     private void onProfileChanged(Profile profile) {
 167         if (profile == null)
 168             return;
 169
 170         accNameFilter.setAdapter(new AccountAutocompleteAdapter(getContext(), profile));
 171     }
 172     private void onAccountNameFilterChanged(String accName) {
 173         accNameFilter.setText(accName, false);
 174
 175         final boolean filterActive = (accName != null) && !accName.isEmpty();
 176         if (vAccountFilter != null) {
 177             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 178         }
 179         if (menuTransactionListFilter != null)
 180             menuTransactionListFilter.setVisible(!filterActive);
 181     }
 182     @Override
 183     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 184         inflater.inflate(R.menu.transaction_list, menu);
 185
 186         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 187         if ((menuTransactionListFilter == null))
 188             throw new AssertionError();
 189
 190         model.getAccountFilter()
 191              .observe(this, v -> menuTransactionListFilter.setVisible(v == null));
 192
 193         super.onCreateOptionsMenu(menu, inflater);
 194
 195         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 196             vAccountFilter.setVisibility(View.VISIBLE);
 197             menuTransactionListFilter.setVisible(false);
 198             accNameFilter.requestFocus();
 199             InputMethodManager imm =
 200                     (InputMethodManager) getMainActivity().getSystemService(INPUT_METHOD_SERVICE);
 201             imm.showSoftInput(accNameFilter, 0);
 202
 203             return true;
 204         });
 205
 206         menu.findItem(R.id.menu_go_to_date)
 207             .setOnMenuItemClickListener(item -> {
 208                 DatePickerFragment picker = new DatePickerFragment();
 209                 picker.setOnDatePickedListener(this);
 210                 picker.setDateRange(model.getFirstTransactionDate(),
 211                         model.getLastTransactionDate());
 212                 picker.show(requireActivity().getSupportFragmentManager(), null);
 213                 return true;
 214             });
 215     }
 216     @Override
 217     public void onDatePicked(int year, int month, int day) {
 218         RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
 219         AsyncTask<TransactionDateFinder.Params, Void, Integer> finder = new TransactionDateFinder();
 220
 221         finder.execute(
 222                 new TransactionDateFinder.Params(model, new SimpleDate(year, month + 1, day)));
 223     }
 224 }