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