app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java

   1 /*
   2  * Copyright © 2018 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger 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  * Mobile-Ledger 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 Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.transaction_list;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.content.Context;
  22 import android.database.MatrixCursor;
  23 import android.os.Build;
  24 import android.os.Bundle;
  25 import android.preference.PreferenceManager;
  26 import android.support.annotation.NonNull;
  27 import android.support.annotation.Nullable;
  28 import android.support.design.widget.FloatingActionButton;
  29 import android.support.v4.app.Fragment;
  30 import android.support.v4.widget.SwipeRefreshLayout;
  31 import android.support.v7.widget.LinearLayoutManager;
  32 import android.support.v7.widget.RecyclerView;
  33 import android.util.Log;
  34 import android.view.LayoutInflater;
  35 import android.view.Menu;
  36 import android.view.MenuInflater;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.view.ViewGroup;
  40 import android.view.inputmethod.InputMethodManager;
  41 import android.widget.AdapterView;
  42 import android.widget.AutoCompleteTextView;
  43 import android.widget.LinearLayout;
  44 import android.widget.ProgressBar;
  45 import android.widget.TextView;
  46
  47 import net.ktnx.mobileledger.R;
  48 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  49 import net.ktnx.mobileledger.ui.activity.MainActivity;
  50 import net.ktnx.mobileledger.utils.Globals;
  51 import net.ktnx.mobileledger.utils.MLDB;
  52
  53 import java.lang.ref.WeakReference;
  54 import java.time.ZoneId;
  55 import java.time.format.DateTimeFormatter;
  56 import java.util.Date;
  57
  58 import static android.content.Context.INPUT_METHOD_SERVICE;
  59
  60 public class TransactionListFragment extends Fragment {
  61     public static final String BUNDLE_KEY_FILTER_ACCOUNT_NAME = "filter_account_name";
  62     public TransactionListViewModel model;
  63     private String mShowOnlyAccountName;
  64     private MainActivity mActivity;
  65     private View bTransactionListCancelDownload;
  66     private MenuItem menuTransactionListFilter;
  67     private View vAccountFilter;
  68     private SwipeRefreshLayout swiper;
  69     private RecyclerView root;
  70     private ProgressBar progressBar;
  71     private LinearLayout progressLayout;
  72     private TextView tvLastUpdate;
  73     private TransactionListAdapter modelAdapter;
  74     private RetrieveTransactionsTask retrieveTransactionsTask;
  75     private AutoCompleteTextView accNameFilter;
  76     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  77         this.mShowOnlyAccountName = mShowOnlyAccountName;
  78         if (modelAdapter != null) {
  79             modelAdapter.setBoldAccountName(mShowOnlyAccountName);
  80         }
  81         if (accNameFilter != null) {
  82             accNameFilter.setText(mShowOnlyAccountName, false);
  83         }
  84         if (vAccountFilter != null) {
  85             vAccountFilter.setVisibility(
  86                     ((mShowOnlyAccountName != null) && !mShowOnlyAccountName.isEmpty())
  87                     ? View.VISIBLE : View.GONE);
  88         }
  89     }
  90     @Override
  91     public void setArguments(@Nullable Bundle args) {
  92         super.setArguments(args);
  93         mShowOnlyAccountName = args.getString(BUNDLE_KEY_FILTER_ACCOUNT_NAME);
  94     }
  95     @Override
  96     public void onCreate(@Nullable Bundle savedInstanceState) {
  97         super.onCreate(savedInstanceState);
  98         setHasOptionsMenu(true);
  99     }
 100     @Override
 101     public void onAttach(Context context) {
 102         super.onAttach(context);
 103         mActivity = (MainActivity) context;
 104     }
 105     @Nullable
 106     @Override
 107     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 108                              @Nullable Bundle savedInstanceState) {
 109         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 110     }
 111
 112     @Override
 113     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 114         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 115         super.onActivityCreated(savedInstanceState);
 116
 117         mActivity.markDrawerItemCurrent(R.id.nav_latest_transactions);
 118
 119         swiper = mActivity.findViewById(R.id.transaction_swipe);
 120         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 121         root = mActivity.findViewById(R.id.transaction_root);
 122         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
 123         progressBar = mActivity.findViewById(R.id.transaction_list_progress_bar);
 124         if (progressBar == null)
 125             throw new RuntimeException("Can't get hold on the transaction list progress bar");
 126         progressLayout = mActivity.findViewById(R.id.transaction_progress_layout);
 127         if (progressLayout == null) throw new RuntimeException(
 128                 "Can't get hold on the transaction list progress bar layout");
 129         tvLastUpdate = mActivity.findViewById(R.id.transactions_last_update);
 130         updateLastUpdateText();
 131         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
 132         modelAdapter = new TransactionListAdapter(model);
 133
 134         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 135
 136         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 137
 138         RecyclerView root = mActivity.findViewById(R.id.transaction_root);
 139         root.setAdapter(modelAdapter);
 140
 141         fab.show();
 142         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 143             @Override
 144             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 145                 if (fab != null) {
 146                     if (dy < 0) fab.show();
 147                     if (dy > 0) fab.hide();
 148                 }
 149             }
 150         });
 151
 152         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 153
 154         llm.setOrientation(LinearLayoutManager.VERTICAL);
 155         root.setLayoutManager(llm);
 156
 157         swiper.setOnRefreshListener(() -> {
 158             Log.d("ui", "refreshing transactions via swipe");
 159             update_transactions();
 160         });
 161
 162         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 163
 164         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 165         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 166         bTransactionListCancelDownload =
 167                 mActivity.findViewById(R.id.transaction_list_cancel_download);
 168
 169         TransactionListFragment me = this;
 170         MLDB.hook_autocompletion_adapter(mActivity, accNameFilter, "accounts", "name");
 171         accNameFilter.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 172             @Override
 173             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 174                 Log.d("tmp", "direct onItemClick");
 175                 model.reloadTransactions(me);
 176                 MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 177                 modelAdapter.setBoldAccountName(mc.getString(1));
 178                 modelAdapter.notifyDataSetChanged();
 179                 Globals.hideSoftKeyboard(mActivity);
 180             }
 181         });
 182
 183         updateLastUpdateText();
 184         long last_update = MLDB.get_option_value(mActivity, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 185         Log.d("transactions", String.format("Last update = %d", last_update));
 186
 187         if (mShowOnlyAccountName != null) {
 188             accNameFilter.setText(mShowOnlyAccountName, false);
 189             onShowFilterClick(null);
 190             Log.d("flow", String.format("Account filter set to '%s'", mShowOnlyAccountName));
 191         }
 192
 193         if (last_update == 0) {
 194             update_transactions();
 195         }
 196         else {
 197             model.reloadTransactions(this);
 198         }
 199     }
 200     @Override
 201     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 202         inflater.inflate(R.menu.transaction_list, menu);
 203
 204         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 205         if ((menuTransactionListFilter == null)) throw new AssertionError();
 206
 207         if (mShowOnlyAccountName != null) {
 208             menuTransactionListFilter.setVisible(false);
 209         }
 210
 211         super.onCreateOptionsMenu(menu, inflater);
 212     }
 213     private void update_transactions() {
 214         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 215
 216         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 217                 PreferenceManager.getDefaultSharedPreferences(mActivity));
 218
 219         retrieveTransactionsTask.execute(params);
 220         bTransactionListCancelDownload.setEnabled(true);
 221     }
 222     public void onRetrieveStart() {
 223         progressBar.setIndeterminate(true);
 224         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 225         else progressBar.setProgress(0);
 226         progressLayout.setVisibility(View.VISIBLE);
 227     }
 228     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 229         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 230             (progress.getTotal() == 0))
 231         {
 232             progressBar.setIndeterminate(true);
 233         }
 234         else {
 235             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 236                 progressBar.setMin(0);
 237             }
 238             progressBar.setMax(progress.getTotal());
 239             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 240                 progressBar.setProgress(progress.getProgress(), true);
 241             }
 242             else progressBar.setProgress(progress.getProgress());
 243             progressBar.setIndeterminate(false);
 244         }
 245     }
 246
 247     public void onRetrieveDone(boolean success) {
 248         progressLayout.setVisibility(View.GONE);
 249         swiper.setRefreshing(false);
 250         updateLastUpdateText();
 251         if (success) {
 252             Log.d("transactions", "calling notifyDataSetChanged()");
 253             modelAdapter.notifyDataSetChanged();
 254         }
 255     }
 256     private void updateLastUpdateText() {
 257         {
 258             long last_update =
 259                     MLDB.get_option_value(mActivity, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 260             Log.d("transactions", String.format("Last update = %d", last_update));
 261             if (last_update == 0) {
 262                 tvLastUpdate.setText(getString(R.string.transaction_last_update_never));
 263             }
 264             else {
 265                 Date date = new Date(last_update);
 266                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 267                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 268                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 269                 }
 270                 else {
 271                     tvLastUpdate.setText(date.toLocaleString());
 272                 }
 273             }
 274         }
 275     }
 276     public void onClearAccountNameClick(View view) {
 277         vAccountFilter.setVisibility(View.GONE);
 278         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 279         accNameFilter.setText(null);
 280         mShowOnlyAccountName = null;
 281         model.reloadTransactions(this);
 282         modelAdapter.resetBoldAccountName();
 283         modelAdapter.notifyDataSetChanged();
 284         Globals.hideSoftKeyboard(mActivity);
 285     }
 286     public void onShowFilterClick(MenuItem menuItem) {
 287         vAccountFilter.setVisibility(View.VISIBLE);
 288         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 289         if (menuItem != null) {
 290             accNameFilter.requestFocus();
 291             InputMethodManager imm =
 292                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 293             imm.showSoftInput(accNameFilter, 0);
 294         }
 295     }
 296     public void onStopTransactionRefreshClick(View view) {
 297         Log.d("interactive", "Cancelling transactions refresh");
 298         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 299         bTransactionListCancelDownload.setEnabled(false);
 300     }
 301 }