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 import net.ktnx.mobileledger.utils.ObservableValue;
  44
  45 import java.util.Observable;
  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     public static final String BUNDLE_KEY_FILTER_ACCOUNT_NAME = "filter_account_name";
  57     public static ObservableValue<String> accountFilter = new ObservableValue<>();
  58     private String mShowOnlyAccountName;
  59     private MenuItem menuTransactionListFilter;
  60     private View vAccountFilter;
  61     private AutoCompleteTextView accNameFilter;
  62     private Observer backgroundTaskCountObserver;
  63     private Observer accountFilterObserver;
  64     private static void update(Observable o, Object arg) {
  65     }
  66     @Override
  67     public void onDestroy() {
  68         if (backgroundTaskCountObserver != null) {
  69             Log.d("rtl", "destroying background task count observer");
  70             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  71         }
  72         super.onDestroy();
  73     }
  74     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  75         this.mShowOnlyAccountName = mShowOnlyAccountName;
  76         if (modelAdapter != null) {
  77             modelAdapter.setBoldAccountName(mShowOnlyAccountName);
  78         }
  79         if (accNameFilter != null) {
  80             accNameFilter.setText(mShowOnlyAccountName, false);
  81         }
  82         if (vAccountFilter != null) {
  83             vAccountFilter.setVisibility(
  84                     ((mShowOnlyAccountName != null) && !mShowOnlyAccountName.isEmpty())
  85                     ? View.VISIBLE : View.GONE);
  86         }
  87     }
  88     @Override
  89     public void setArguments(@Nullable Bundle args) {
  90         super.setArguments(args);
  91         mShowOnlyAccountName = args.getString(BUNDLE_KEY_FILTER_ACCOUNT_NAME);
  92     }
  93     @Override
  94     public void onCreate(@Nullable Bundle savedInstanceState) {
  95         super.onCreate(savedInstanceState);
  96         setHasOptionsMenu(true);
  97         if (backgroundTaskCountObserver == null) {
  98             Log.d("rtl", "creating background task count observer");
  99             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
 100                 @Override
 101                 public void update(Observable o, Object arg) {
 102                     mActivity.runOnUiThread(() -> {
 103                         int cnt = Data.backgroundTaskCount.get();
 104                         Log.d("trl", String.format("background task count changed to %d", cnt));
 105                         swiper.setRefreshing(cnt > 0);
 106                     });
 107                 }
 108             });
 109         }
 110     }
 111     @Override
 112     public void onAttach(Context context) {
 113         super.onAttach(context);
 114         mActivity = (MainActivity) context;
 115     }
 116     @Nullable
 117     @Override
 118     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 119                              @Nullable Bundle savedInstanceState) {
 120         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 121     }
 122     @Override
 123     public void onResume() {
 124         super.onResume();
 125         Log.d("flow", "TransactionListFragment.onResume()");
 126     }
 127     @Override
 128     public void onStop() {
 129         super.onStop();
 130         Log.d("flow", "TransactionListFragment.onStop()");
 131     }
 132     @Override
 133     public void onPause() {
 134         super.onPause();
 135         Log.d("flow", "TransactionListFragment.onPause()");
 136     }
 137     @Override
 138     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 139         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 140         super.onActivityCreated(savedInstanceState);
 141
 142         swiper = mActivity.findViewById(R.id.transaction_swipe);
 143         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 144         root = mActivity.findViewById(R.id.transaction_root);
 145         if (root == null)
 146             throw new RuntimeException("Can't get hold on the transaction value view");
 147         modelAdapter = new TransactionListAdapter();
 148
 149         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 150         root.setAdapter(modelAdapter);
 151
 152         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 153
 154         mActivity.fabShouldShow();
 155         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 156             @Override
 157             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 158                 if (dy < 0) mActivity.fabShouldShow();
 159                 if (dy > 0) fab.hide();
 160             }
 161         });
 162
 163         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 164
 165         llm.setOrientation(LinearLayoutManager.VERTICAL);
 166         root.setLayoutManager(llm);
 167
 168         swiper.setOnRefreshListener(() -> {
 169             Log.d("ui", "refreshing transactions via swipe");
 170             mActivity.scheduleTransactionListRetrieval();
 171         });
 172
 173         Colors.themeWatch.addObserver(
 174                 (o, arg) -> swiper.setColorSchemeColors(Colors.primary));
 175         swiper.setColorSchemeColors(Colors.primary);
 176
 177         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 178         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 179
 180         TransactionListFragment me = this;
 181         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 182         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 183 //                Log.d("tmp", "direct onItemClick");
 184             TransactionListViewModel.scheduleTransactionListReload();
 185             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 186             accountFilter.set(mc.getString(1));
 187             Globals.hideSoftKeyboard(mActivity);
 188         });
 189
 190         if (accountFilterObserver == null) {
 191             accountFilterObserver = (o, arg) -> {
 192                 String accountName = accountFilter.get();
 193                 modelAdapter.setBoldAccountName(accountName);
 194                 setShowOnlyAccountName(accountName);
 195                 TransactionListViewModel.scheduleTransactionListReload();
 196                 if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 197             };
 198             accountFilter.addObserver(accountFilterObserver);
 199         }
 200
 201         TransactionListViewModel.scheduleTransactionListReload();
 202         TransactionListViewModel.updating.addObserver(
 203                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 204         TransactionListViewModel.updateError.addObserver(new Observer() {
 205             @Override
 206             public void update(Observable o, Object arg) {
 207                 String err = TransactionListViewModel.updateError.get();
 208                 if (err == null) return;
 209
 210                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 211                 TransactionListViewModel.updateError.set(null);
 212             }
 213         });
 214         Data.transactions.addObserver(
 215                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 216
 217         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 218             vAccountFilter.setVisibility(View.GONE);
 219             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 220             accountFilter.set(null);
 221             accNameFilter.setText(null);
 222             TransactionListViewModel.scheduleTransactionListReload();
 223             Globals.hideSoftKeyboard(mActivity);
 224         });
 225     }
 226     @Override
 227     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 228         inflater.inflate(R.menu.transaction_list, menu);
 229
 230         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 231         if ((menuTransactionListFilter == null)) throw new AssertionError();
 232
 233         if (mShowOnlyAccountName != null) {
 234             menuTransactionListFilter.setVisible(false);
 235         }
 236
 237         super.onCreateOptionsMenu(menu, inflater);
 238
 239         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 240             vAccountFilter.setVisibility(View.VISIBLE);
 241             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 242             accNameFilter.requestFocus();
 243             InputMethodManager imm =
 244                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 245             imm.showSoftInput(accNameFilter, 0);
 246
 247             return true;
 248         });
 249     }
 250 }