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 import android.widget.Toast;
  32
  33 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  34
  35 import net.ktnx.mobileledger.R;
  36 import net.ktnx.mobileledger.model.Data;
  37 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  38 import net.ktnx.mobileledger.ui.activity.MainActivity;
  39 import net.ktnx.mobileledger.utils.Colors;
  40 import net.ktnx.mobileledger.utils.Globals;
  41 import net.ktnx.mobileledger.utils.MLDB;
  42
  43 import org.jetbrains.annotations.NotNull;
  44
  45 import androidx.annotation.NonNull;
  46 import androidx.annotation.Nullable;
  47 import androidx.recyclerview.widget.LinearLayoutManager;
  48 import androidx.recyclerview.widget.RecyclerView;
  49
  50 import static android.content.Context.INPUT_METHOD_SERVICE;
  51 import static net.ktnx.mobileledger.utils.Logger.debug;
  52
  53 public class TransactionListFragment extends MobileLedgerListFragment {
  54     private MenuItem menuTransactionListFilter;
  55     private View vAccountFilter;
  56     private AutoCompleteTextView accNameFilter;
  57     @Override
  58     public void onCreate(@Nullable Bundle savedInstanceState) {
  59         super.onCreate(savedInstanceState);
  60         setHasOptionsMenu(true);
  61         Data.backgroundTasksRunning.observe(this, this::onBackgroundTaskRunningChanged);
  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         swiper = mActivity.findViewById(R.id.transaction_swipe);
  95         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
  96         root = mActivity.findViewById(R.id.transaction_root);
  97         if (root == null)
  98             throw new RuntimeException("Can't get hold on the transaction value view");
  99         modelAdapter = new TransactionListAdapter();
 100         root.setAdapter(modelAdapter);
 101
 102         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 103
 104         mActivity.fabShouldShow();
 105         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 106             @Override
 107             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 108                 if (dy < 0) mActivity.fabShouldShow();
 109                 if (dy > 0) fab.hide();
 110             }
 111         });
 112
 113         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 114
 115         llm.setOrientation(LinearLayoutManager.VERTICAL);
 116         root.setLayoutManager(llm);
 117
 118         swiper.setOnRefreshListener(() -> {
 119             debug("ui", "refreshing transactions via swipe");
 120             mActivity.scheduleTransactionListRetrieval();
 121         });
 122
 123         Colors.themeWatch.observe(this, this::themeChanged);
 124         swiper.setColorSchemeColors(Colors.primary);
 125
 126         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 127         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 128
 129         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 130         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 131 //                debug("tmp", "direct onItemClick");
 132             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 133             Data.accountFilter.setValue(mc.getString(1));
 134             Globals.hideSoftKeyboard(mActivity);
 135         });
 136
 137         Data.accountFilter.observe(this, this::onAccountNameFilterChanged);
 138
 139         TransactionListViewModel.updating.addObserver(
 140                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 141         TransactionListViewModel.updateError.addObserver((o, arg) -> {
 142             String err = TransactionListViewModel.updateError.get();
 143             if (err == null) return;
 144
 145             Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 146             TransactionListViewModel.updateError.set(null);
 147         });
 148         Data.transactions.addObserver(
 149                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 150
 151         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 152             Data.accountFilter.setValue(null);
 153             vAccountFilter.setVisibility(View.GONE);
 154             menuTransactionListFilter.setVisible(true);
 155             Globals.hideSoftKeyboard(mActivity);
 156         });
 157     }
 158     private void onAccountNameFilterChanged(String accName) {
 159         final String fieldText = accNameFilter.getText().toString();
 160         if ((accName == null) && (fieldText.equals(""))) return;
 161
 162         if (accNameFilter != null) {
 163             accNameFilter.setText(accName, false);
 164         }
 165         final boolean filterActive = (accName != null) && !accName.isEmpty();
 166         if (vAccountFilter != null) {
 167             vAccountFilter.setVisibility(filterActive ? View.VISIBLE : View.GONE);
 168         }
 169         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(!filterActive);
 170
 171         TransactionListViewModel.scheduleTransactionListReload();
 172
 173     }
 174     @Override
 175     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 176         inflater.inflate(R.menu.transaction_list, menu);
 177
 178         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 179         if ((menuTransactionListFilter == null)) throw new AssertionError();
 180
 181         if (Data.accountFilter.getValue() != null) {
 182             menuTransactionListFilter.setVisible(false);
 183         }
 184
 185         super.onCreateOptionsMenu(menu, inflater);
 186
 187         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 188             vAccountFilter.setVisibility(View.VISIBLE);
 189             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 190             accNameFilter.requestFocus();
 191             InputMethodManager imm =
 192                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 193             imm.showSoftInput(accNameFilter, 0);
 194
 195             return true;
 196         });
 197     }
 198 }