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