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

   1 /*
   2  * Copyright © 2020 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.database.Cursor;
  21 import android.os.AsyncTask;
  22 import android.os.Bundle;
  23 import android.view.LayoutInflater;
  24 import android.view.Menu;
  25 import android.view.MenuInflater;
  26 import android.view.MenuItem;
  27 import android.view.View;
  28 import android.view.ViewGroup;
  29 import android.view.inputmethod.InputMethodManager;
  30 import android.widget.AutoCompleteTextView;
  31
  32 import androidx.annotation.NonNull;
  33 import androidx.annotation.Nullable;
  34 import androidx.lifecycle.ViewModelProvider;
  35 import androidx.recyclerview.widget.LinearLayoutManager;
  36 import androidx.recyclerview.widget.RecyclerView;
  37
  38 import net.ktnx.mobileledger.R;
  39 import net.ktnx.mobileledger.async.TransactionDateFinder;
  40 import net.ktnx.mobileledger.model.Data;
  41 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  42 import net.ktnx.mobileledger.ui.DatePickerFragment;
  43 import net.ktnx.mobileledger.ui.MainModel;
  44 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  45 import net.ktnx.mobileledger.ui.activity.MainActivity;
  46 import net.ktnx.mobileledger.utils.Colors;
  47 import net.ktnx.mobileledger.utils.Globals;
  48 import net.ktnx.mobileledger.utils.Logger;
  49 import net.ktnx.mobileledger.utils.MLDB;
  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 onActivityCreated(@Nullable Bundle savedInstanceState) {
  93         debug("flow", "TransactionListFragment.onActivityCreated called");
  94         super.onActivityCreated(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 = mainActivity.findViewById(R.id.transaction_swipe);
 104         if (refreshLayout == null)
 105             throw new RuntimeException("Can't get hold on the swipe layout");
 106         root = mainActivity.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(model);
 110         root.setAdapter(modelAdapter);
 111
 112         mainActivity.fabShouldShow();
 113
 114         manageFabOnScroll();
 115
 116         LinearLayoutManager llm = new LinearLayoutManager(mainActivity);
 117
 118         llm.setOrientation(RecyclerView.VERTICAL);
 119         root.setLayoutManager(llm);
 120
 121         refreshLayout.setOnRefreshListener(() -> {
 122             debug("ui", "refreshing transactions via swipe");
 123             model.scheduleTransactionListRetrieval();
 124         });
 125
 126         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 127
 128         vAccountFilter = mainActivity.findViewById(R.id.transaction_list_account_name_filter);
 129         accNameFilter = mainActivity.findViewById(R.id.transaction_filter_account_name);
 130
 131         MLDB.hookAutocompletionAdapter(mainActivity, accNameFilter, "accounts", "name");
 132         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 133 //                debug("tmp", "direct onItemClick");
 134             Cursor c = (Cursor) parent.getItemAtPosition(position);
 135             model.getAccountFilter()
 136                  .setValue(c.getString(1));
 137             Globals.hideSoftKeyboard(mainActivity);
 138         });
 139
 140         model.getAccountFilter()
 141              .observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 142
 143         model.getUpdatingFlag()
 144              .observe(getViewLifecycleOwner(), (flag) -> refreshLayout.setRefreshing(flag));
 145         MobileLedgerProfile profile = Data.getProfile();
 146         model.getDisplayedTransactions()
 147              .observe(getViewLifecycleOwner(), list -> modelAdapter.setTransactions(list));
 148
 149         mainActivity.findViewById(R.id.clearAccountNameFilter)
 150                     .setOnClickListener(v -> {
 151                         model.getAccountFilter()
 152                              .setValue(null);
 153                         vAccountFilter.setVisibility(View.GONE);
 154                         menuTransactionListFilter.setVisible(true);
 155                         Globals.hideSoftKeyboard(mainActivity);
 156                     });
 157
 158         model.foundTransactionItemIndex.observe(getViewLifecycleOwner(), pos -> {
 159             Logger.debug("go-to-date", String.format(Locale.US, "Found pos %d", pos));
 160             if (pos != null) {
 161                 root.scrollToPosition(pos);
 162                 // reset the value to avoid re-notification upon reconfiguration or app restart
 163                 model.foundTransactionItemIndex.setValue(null);
 164             }
 165         });
 166     }
 167     private void onAccountNameFilterChanged(String accName) {
 168         final String fieldText = accNameFilter.getText()
 169                                               .toString();
 170         if ((accName == null) && (fieldText.equals("")))
 171             return;
 172
 173         if (accNameFilter != null) {
 174             accNameFilter.setText(accName, false);
 175         }
 176         final boolean filterActive = (accName != null) && !accName.isEmpty();
 177         if (vAccountFilter != null) {
 178             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 179         }
 180         if (menuTransactionListFilter != null)
 181             menuTransactionListFilter.setVisible(!filterActive);
 182
 183         model.scheduleTransactionListReload();
 184
 185     }
 186     @Override
 187     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 188         inflater.inflate(R.menu.transaction_list, menu);
 189
 190         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 191         if ((menuTransactionListFilter == null))
 192             throw new AssertionError();
 193
 194         if ((model.getAccountFilter()
 195                   .getValue() != null) || (vAccountFilter.getVisibility() == View.VISIBLE))
 196         {
 197             menuTransactionListFilter.setVisible(false);
 198         }
 199
 200         super.onCreateOptionsMenu(menu, inflater);
 201
 202         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 203             vAccountFilter.setVisibility(View.VISIBLE);
 204             if (menuTransactionListFilter != null)
 205                 menuTransactionListFilter.setVisible(false);
 206             accNameFilter.requestFocus();
 207             InputMethodManager imm =
 208                     (InputMethodManager) getMainActivity().getSystemService(INPUT_METHOD_SERVICE);
 209             imm.showSoftInput(accNameFilter, 0);
 210
 211             return true;
 212         });
 213
 214         menu.findItem(R.id.menu_go_to_date)
 215             .setOnMenuItemClickListener(item -> {
 216                 DatePickerFragment picker = new DatePickerFragment();
 217                 picker.setOnDatePickedListener(this);
 218                 picker.setDateRange(model.getFirstTransactionDate(),
 219                         model.getLastTransactionDate());
 220                 picker.show(requireActivity().getSupportFragmentManager(), null);
 221                 return true;
 222             });
 223     }
 224     @Override
 225     public void onDatePicked(int year, int month, int day) {
 226         RecyclerView list = requireActivity().findViewById(R.id.transaction_root);
 227         AsyncTask<TransactionDateFinder.Params, Void, Integer> finder = new TransactionDateFinder();
 228
 229         finder.execute(
 230                 new TransactionDateFinder.Params(model, new SimpleDate(year, month + 1, day)));
 231     }
 232 }