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 java.util.Observable;
  45 import java.util.Observer;
  46
  47 import androidx.annotation.NonNull;
  48 import androidx.annotation.Nullable;
  49 import androidx.recyclerview.widget.LinearLayoutManager;
  50 import androidx.recyclerview.widget.RecyclerView;
  51
  52 import static android.content.Context.INPUT_METHOD_SERVICE;
  53
  54 public class TransactionListFragment extends MobileLedgerListFragment {
  55     private MenuItem menuTransactionListFilter;
  56     private View vAccountFilter;
  57     private AutoCompleteTextView accNameFilter;
  58     private Observer backgroundTaskCountObserver;
  59     private Observer accountFilterObserver;
  60     private static void update(Observable o, Object arg) {
  61     }
  62     @Override
  63     public void onDestroy() {
  64         if (backgroundTaskCountObserver != null) {
  65             Log.d("rtl", "destroying background task count observer");
  66             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  67         }
  68         super.onDestroy();
  69     }
  70     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  71     }
  72     @Override
  73     public void onCreate(@Nullable Bundle savedInstanceState) {
  74         super.onCreate(savedInstanceState);
  75         setHasOptionsMenu(true);
  76         if (backgroundTaskCountObserver == null) {
  77             Log.d("rtl", "creating background task count observer");
  78             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  79                 @Override
  80                 public void update(Observable o, Object arg) {
  81                     mActivity.runOnUiThread(() -> {
  82                         int cnt = Data.backgroundTaskCount.get();
  83                         Log.d("trl", String.format("background task count changed to %d", cnt));
  84                         swiper.setRefreshing(cnt > 0);
  85                     });
  86                 }
  87             });
  88         }
  89     }
  90     @Override
  91     public void onAttach(Context context) {
  92         super.onAttach(context);
  93         mActivity = (MainActivity) context;
  94     }
  95     @Nullable
  96     @Override
  97     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  98                              @Nullable Bundle savedInstanceState) {
  99         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 100     }
 101     @Override
 102     public void onResume() {
 103         super.onResume();
 104         Log.d("flow", "TransactionListFragment.onResume()");
 105     }
 106     @Override
 107     public void onStop() {
 108         super.onStop();
 109         Log.d("flow", "TransactionListFragment.onStop()");
 110     }
 111     @Override
 112     public void onPause() {
 113         super.onPause();
 114         Log.d("flow", "TransactionListFragment.onPause()");
 115     }
 116     @Override
 117     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 118         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 119         super.onActivityCreated(savedInstanceState);
 120
 121         swiper = mActivity.findViewById(R.id.transaction_swipe);
 122         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 123         root = mActivity.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         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 130
 131         mActivity.fabShouldShow();
 132         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 133             @Override
 134             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 135                 if (dy < 0) mActivity.fabShouldShow();
 136                 if (dy > 0) fab.hide();
 137             }
 138         });
 139
 140         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 141
 142         llm.setOrientation(LinearLayoutManager.VERTICAL);
 143         root.setLayoutManager(llm);
 144
 145         swiper.setOnRefreshListener(() -> {
 146             Log.d("ui", "refreshing transactions via swipe");
 147             mActivity.scheduleTransactionListRetrieval();
 148         });
 149
 150         Colors.themeWatch.addObserver(
 151                 (o, arg) -> swiper.setColorSchemeColors(Colors.primary));
 152         swiper.setColorSchemeColors(Colors.primary);
 153
 154         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 155         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 156
 157         TransactionListFragment me = this;
 158         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 159         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 160 //                Log.d("tmp", "direct onItemClick");
 161             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 162             Data.accountFilter.set(mc.getString(1));
 163             Globals.hideSoftKeyboard(mActivity);
 164         });
 165
 166         if (accountFilterObserver == null) {
 167             accountFilterObserver = (o, arg) -> onAccountNameFilterChanged();
 168             Data.accountFilter.addObserver(accountFilterObserver);
 169         }
 170
 171         TransactionListViewModel.updating.addObserver(
 172                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 173         TransactionListViewModel.updateError.addObserver(new Observer() {
 174             @Override
 175             public void update(Observable o, Object arg) {
 176                 String err = TransactionListViewModel.updateError.get();
 177                 if (err == null) return;
 178
 179                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 180                 TransactionListViewModel.updateError.set(null);
 181             }
 182         });
 183         Data.transactions.addObserver(
 184                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 185
 186         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 187             String current = Data.accountFilter.get();
 188             Data.accountFilter.set(null);
 189             vAccountFilter.setVisibility(View.GONE);
 190             menuTransactionListFilter.setVisible(true);
 191             Globals.hideSoftKeyboard(mActivity);
 192         });
 193
 194         onAccountNameFilterChanged(false);
 195     }
 196     private void onAccountNameFilterChanged() {
 197         onAccountNameFilterChanged(true);
 198     }
 199     private void onAccountNameFilterChanged(boolean reloadTransactions) {
 200         String accName = Data.accountFilter.get();
 201         if (accNameFilter != null) {
 202             accNameFilter.setText(accName, false);
 203         }
 204         final boolean filterActive = (accName != null) && !accName.isEmpty();
 205         if (vAccountFilter != null) {
 206             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 207         }
 208         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(!filterActive);
 209
 210         if (reloadTransactions) TransactionListViewModel.scheduleTransactionListReload();
 211
 212     }
 213     @Override
 214     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 215         inflater.inflate(R.menu.transaction_list, menu);
 216
 217         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 218         if ((menuTransactionListFilter == null)) throw new AssertionError();
 219
 220         if (Data.accountFilter.get() != null) {
 221             menuTransactionListFilter.setVisible(false);
 222         }
 223
 224         super.onCreateOptionsMenu(menu, inflater);
 225
 226         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 227             vAccountFilter.setVisibility(View.VISIBLE);
 228             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 229             accNameFilter.requestFocus();
 230             InputMethodManager imm =
 231                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 232             imm.showSoftInput(accNameFilter, 0);
 233
 234             return true;
 235         });
 236     }
 237 }