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.util.Log;
  24 import android.view.LayoutInflater;
  25 import android.view.Menu;
  26 import android.view.MenuInflater;
  27 import android.view.MenuItem;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.view.inputmethod.InputMethodManager;
  31 import android.widget.AutoCompleteTextView;
  32 import android.widget.Toast;
  33
  34 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  35
  36 import net.ktnx.mobileledger.R;
  37 import net.ktnx.mobileledger.model.Data;
  38 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  39 import net.ktnx.mobileledger.ui.activity.MainActivity;
  40 import net.ktnx.mobileledger.utils.Colors;
  41 import net.ktnx.mobileledger.utils.Globals;
  42 import net.ktnx.mobileledger.utils.MLDB;
  43
  44 import org.jetbrains.annotations.NotNull;
  45
  46 import java.util.Observable;
  47 import java.util.Observer;
  48
  49 import androidx.annotation.NonNull;
  50 import androidx.annotation.Nullable;
  51 import androidx.recyclerview.widget.LinearLayoutManager;
  52 import androidx.recyclerview.widget.RecyclerView;
  53
  54 import static android.content.Context.INPUT_METHOD_SERVICE;
  55
  56 public class TransactionListFragment extends MobileLedgerListFragment {
  57     private MenuItem menuTransactionListFilter;
  58     private View vAccountFilter;
  59     private AutoCompleteTextView accNameFilter;
  60     private Observer backgroundTaskCountObserver;
  61     @Override
  62     public void onDestroy() {
  63         if (backgroundTaskCountObserver != null) {
  64             Log.d("rtl", "destroying background task count observer");
  65             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  66         }
  67         super.onDestroy();
  68     }
  69     @Override
  70     public void onCreate(@Nullable Bundle savedInstanceState) {
  71         super.onCreate(savedInstanceState);
  72         setHasOptionsMenu(true);
  73         if (backgroundTaskCountObserver == null) {
  74             Log.d("rtl", "creating background task count observer");
  75             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  76                 @Override
  77                 public void update(Observable o, Object arg) {
  78                     mActivity.runOnUiThread(() -> {
  79                         int cnt = Data.backgroundTaskCount.get();
  80                         Log.d("trl", String.format("background task count changed to %d", cnt));
  81                         swiper.setRefreshing(cnt > 0);
  82                     });
  83                 }
  84             });
  85         }
  86     }
  87     @Override
  88     public void onAttach(@NotNull Context context) {
  89         super.onAttach(context);
  90         mActivity = (MainActivity) context;
  91     }
  92     @Nullable
  93     @Override
  94     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  95                              @Nullable Bundle savedInstanceState) {
  96         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
  97     }
  98     @Override
  99     public void onResume() {
 100         super.onResume();
 101         Log.d("flow", "TransactionListFragment.onResume()");
 102     }
 103     @Override
 104     public void onStop() {
 105         super.onStop();
 106         Log.d("flow", "TransactionListFragment.onStop()");
 107     }
 108     @Override
 109     public void onPause() {
 110         super.onPause();
 111         Log.d("flow", "TransactionListFragment.onPause()");
 112     }
 113     @Override
 114     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 115         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 116         super.onActivityCreated(savedInstanceState);
 117
 118         swiper = mActivity.findViewById(R.id.transaction_swipe);
 119         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 120         root = mActivity.findViewById(R.id.transaction_root);
 121         if (root == null)
 122             throw new RuntimeException("Can't get hold on the transaction value view");
 123         modelAdapter = new TransactionListAdapter();
 124         root.setAdapter(modelAdapter);
 125
 126         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 127
 128         mActivity.fabShouldShow();
 129         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 130             @Override
 131             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 132                 if (dy < 0) mActivity.fabShouldShow();
 133                 if (dy > 0) fab.hide();
 134             }
 135         });
 136
 137         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 138
 139         llm.setOrientation(LinearLayoutManager.VERTICAL);
 140         root.setLayoutManager(llm);
 141
 142         swiper.setOnRefreshListener(() -> {
 143             Log.d("ui", "refreshing transactions via swipe");
 144             mActivity.scheduleTransactionListRetrieval();
 145         });
 146
 147         Colors.themeWatch.observe(this, this::themeChanged);
 148         swiper.setColorSchemeColors(Colors.primary);
 149
 150         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 151         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 152
 153         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 154         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 155 //                Log.d("tmp", "direct onItemClick");
 156             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 157             Data.accountFilter.setValue(mc.getString(1));
 158             Globals.hideSoftKeyboard(mActivity);
 159         });
 160
 161         Data.accountFilter.observe(this, this::onAccountNameFilterChanged);
 162
 163         TransactionListViewModel.updating.addObserver(
 164                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 165         TransactionListViewModel.updateError.addObserver(new Observer() {
 166             @Override
 167             public void update(Observable o, Object arg) {
 168                 String err = TransactionListViewModel.updateError.get();
 169                 if (err == null) return;
 170
 171                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 172                 TransactionListViewModel.updateError.set(null);
 173             }
 174         });
 175         Data.transactions.addObserver(
 176                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 177
 178         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 179             Data.accountFilter.setValue(null);
 180             vAccountFilter.setVisibility(View.GONE);
 181             menuTransactionListFilter.setVisible(true);
 182             Globals.hideSoftKeyboard(mActivity);
 183         });
 184     }
 185     private void onAccountNameFilterChanged(String accName) {
 186         if (accNameFilter != null) {
 187             accNameFilter.setText(accName, false);
 188         }
 189         final boolean filterActive = (accName != null) && !accName.isEmpty();
 190         if (vAccountFilter != null) {
 191             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 192         }
 193         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(!filterActive);
 194
 195         TransactionListViewModel.scheduleTransactionListReload();
 196
 197     }
 198     @Override
 199     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 200         inflater.inflate(R.menu.transaction_list, menu);
 201
 202         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 203         if ((menuTransactionListFilter == null)) throw new AssertionError();
 204
 205         if (Data.accountFilter.getValue() != null) {
 206             menuTransactionListFilter.setVisible(false);
 207         }
 208
 209         super.onCreateOptionsMenu(menu, inflater);
 210
 211         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 212             vAccountFilter.setVisibility(View.VISIBLE);
 213             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 214             accNameFilter.requestFocus();
 215             InputMethodManager imm =
 216                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 217             imm.showSoftInput(accNameFilter, 0);
 218
 219             return true;
 220         });
 221     }
 222 }