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

   1 /*
   2  * Copyright © 2019 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.content.Context;
  21 import android.database.MatrixCursor;
  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.recyclerview.widget.LinearLayoutManager;
  35 import androidx.recyclerview.widget.RecyclerView;
  36
  37 import com.google.android.material.snackbar.Snackbar;
  38
  39 import net.ktnx.mobileledger.R;
  40 import net.ktnx.mobileledger.model.Data;
  41 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  42 import net.ktnx.mobileledger.ui.activity.MainActivity;
  43 import net.ktnx.mobileledger.utils.Colors;
  44 import net.ktnx.mobileledger.utils.Globals;
  45 import net.ktnx.mobileledger.utils.MLDB;
  46
  47 import org.jetbrains.annotations.NotNull;
  48
  49 import static android.content.Context.INPUT_METHOD_SERVICE;
  50 import static net.ktnx.mobileledger.utils.Logger.debug;
  51
  52 // TODO: support transaction-level comment
  53
  54 public class TransactionListFragment extends MobileLedgerListFragment {
  55     private MenuItem menuTransactionListFilter;
  56     private View vAccountFilter;
  57     private AutoCompleteTextView accNameFilter;
  58     @Override
  59     public void onCreate(@Nullable Bundle savedInstanceState) {
  60         super.onCreate(savedInstanceState);
  61         setHasOptionsMenu(true);
  62     }
  63     @Override
  64     public void onAttach(@NotNull Context context) {
  65         super.onAttach(context);
  66         mActivity = (MainActivity) context;
  67     }
  68     @Nullable
  69     @Override
  70     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  71                              @Nullable Bundle savedInstanceState) {
  72         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
  73     }
  74     @Override
  75     public void onResume() {
  76         super.onResume();
  77         debug("flow", "TransactionListFragment.onResume()");
  78     }
  79     @Override
  80     public void onStop() {
  81         super.onStop();
  82         debug("flow", "TransactionListFragment.onStop()");
  83     }
  84     @Override
  85     public void onPause() {
  86         super.onPause();
  87         debug("flow", "TransactionListFragment.onPause()");
  88     }
  89     @Override
  90     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  91         debug("flow", "TransactionListFragment.onActivityCreated called");
  92         super.onActivityCreated(savedInstanceState);
  93
  94         Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
  95                 this::onBackgroundTaskRunningChanged);
  96
  97         swiper = mActivity.findViewById(R.id.transaction_swipe);
  98         if (swiper == null)
  99             throw new RuntimeException("Can't get hold on the swipe layout");
 100         root = mActivity.findViewById(R.id.transaction_root);
 101         if (root == null)
 102             throw new RuntimeException("Can't get hold on the transaction value view");
 103         modelAdapter = new TransactionListAdapter();
 104         root.setAdapter(modelAdapter);
 105
 106         mActivity.fabShouldShow();
 107
 108         manageFabOnScroll();
 109
 110         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 111
 112         llm.setOrientation(RecyclerView.VERTICAL);
 113         root.setLayoutManager(llm);
 114
 115         swiper.setOnRefreshListener(() -> {
 116             debug("ui", "refreshing transactions via swipe");
 117             Data.scheduleTransactionListRetrieval(mActivity);
 118         });
 119
 120         Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 121
 122         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 123         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 124
 125         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name");
 126         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 127 //                debug("tmp", "direct onItemClick");
 128             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 129             Data.accountFilter.setValue(mc.getString(1));
 130             Globals.hideSoftKeyboard(mActivity);
 131         });
 132
 133         Data.accountFilter.observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 134
 135         TransactionListViewModel.updating.addObserver(
 136                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 137         TransactionListViewModel.updateError.addObserver((o, arg) -> {
 138             String err = TransactionListViewModel.updateError.get();
 139             if (err == null)
 140                 return;
 141
 142             Snackbar.make(this.root, err, Snackbar.LENGTH_LONG)
 143                     .show();
 144             TransactionListViewModel.updateError.set(null);
 145         });
 146         Data.transactions.addObserver(
 147                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 148
 149         mActivity.findViewById(R.id.clearAccountNameFilter)
 150                  .setOnClickListener(v -> {
 151                      Data.accountFilter.setValue(null);
 152                      vAccountFilter.setVisibility(View.GONE);
 153                      menuTransactionListFilter.setVisible(true);
 154                      Globals.hideSoftKeyboard(mActivity);
 155                  });
 156     }
 157     private void onAccountNameFilterChanged(String accName) {
 158         final String fieldText = accNameFilter.getText()
 159                                               .toString();
 160         if ((accName == null) && (fieldText.equals("")))
 161             return;
 162
 163         if (accNameFilter != null) {
 164             accNameFilter.setText(accName, false);
 165         }
 166         final boolean filterActive = (accName != null) && !accName.isEmpty();
 167         if (vAccountFilter != null) {
 168             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 169         }
 170         if (menuTransactionListFilter != null)
 171             menuTransactionListFilter.setVisible(!filterActive);
 172
 173         TransactionListViewModel.scheduleTransactionListReload();
 174
 175     }
 176     @Override
 177     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 178         inflater.inflate(R.menu.transaction_list, menu);
 179
 180         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 181         if ((menuTransactionListFilter == null))
 182             throw new AssertionError();
 183
 184         if ((Data.accountFilter.getValue() != null) ||
 185             (vAccountFilter.getVisibility() == View.VISIBLE))
 186         {
 187             menuTransactionListFilter.setVisible(false);
 188         }
 189
 190         super.onCreateOptionsMenu(menu, inflater);
 191
 192         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 193             vAccountFilter.setVisibility(View.VISIBLE);
 194             if (menuTransactionListFilter != null)
 195                 menuTransactionListFilter.setVisible(false);
 196             accNameFilter.requestFocus();
 197             InputMethodManager imm =
 198                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 199             imm.showSoftInput(accNameFilter, 0);
 200
 201             return true;
 202         });
 203     }
 204 }