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         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 142             @Override
 143             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 144                 if (fab != null) {
 145                     if (dy < 0) fab.show();
 146                     if (dy > 0) fab.hide();
 147                 }
 148             }
 149         });
 150
 151         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 152
 153         llm.setOrientation(LinearLayoutManager.VERTICAL);
 154         root.setLayoutManager(llm);
 155
 156         swiper.setOnRefreshListener(() -> {
 157             Log.d("ui", "refreshing transactions via swipe");
 158             update_transactions();
 159         });
 160
 161         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 162
 163         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 164         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 165         bTransactionListCancelDownload =
 166                 mActivity.findViewById(R.id.transaction_list_cancel_download);
 167
 168         TransactionListFragment me = this;
 169         MLDB.hook_autocompletion_adapter(mActivity, accNameFilter, "accounts", "name");
 170         accNameFilter.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 171             @Override
 172             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 173                 Log.d("tmp", "direct onItemClick");
 174                 model.reloadTransactions(me);
 175                 MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 176                 modelAdapter.setBoldAccountName(mc.getString(1));
 177                 modelAdapter.notifyDataSetChanged();
 178                 Globals.hideSoftKeyboard(mActivity);
 179             }
 180         });
 181
 182         updateLastUpdateText();
 183         long last_update = MLDB.get_option_value(mActivity, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 184         Log.d("transactions", String.format("Last update = %d", last_update));
 185
 186         if (mShowOnlyAccountName != null) {
 187             accNameFilter.setText(mShowOnlyAccountName, false);
 188             onShowFilterClick(null);
 189             Log.d("flow", String.format("Account filter set to '%s'", mShowOnlyAccountName));
 190         }
 191
 192         if (last_update == 0) {
 193             update_transactions();
 194         }
 195         else {
 196             model.reloadTransactions(this);
 197         }
 198     }
 199     @Override
 200     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 201         inflater.inflate(R.menu.transaction_list, menu);
 202
 203         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 204         if ((menuTransactionListFilter == null)) throw new AssertionError();
 205
 206         if (mShowOnlyAccountName != null) {
 207             menuTransactionListFilter.setVisible(false);
 208         }
 209
 210         super.onCreateOptionsMenu(menu, inflater);
 211     }
 212     private void update_transactions() {
 213         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 214
 215         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 216                 PreferenceManager.getDefaultSharedPreferences(mActivity));
 217
 218         retrieveTransactionsTask.execute(params);
 219         bTransactionListCancelDownload.setEnabled(true);
 220     }
 221     public void onRetrieveStart() {
 222         progressBar.setIndeterminate(true);
 223         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 224         else progressBar.setProgress(0);
 225         progressLayout.setVisibility(View.VISIBLE);
 226     }
 227     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 228         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 229             (progress.getTotal() == 0))
 230         {
 231             progressBar.setIndeterminate(true);
 232         }
 233         else {
 234             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 235                 progressBar.setMin(0);
 236             }
 237             progressBar.setMax(progress.getTotal());
 238             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 239                 progressBar.setProgress(progress.getProgress(), true);
 240             }
 241             else progressBar.setProgress(progress.getProgress());
 242             progressBar.setIndeterminate(false);
 243         }
 244     }
 245
 246     public void onRetrieveDone(boolean success) {
 247         progressLayout.setVisibility(View.GONE);
 248         swiper.setRefreshing(false);
 249         updateLastUpdateText();
 250         if (success) {
 251             Log.d("transactions", "calling notifyDataSetChanged()");
 252             modelAdapter.notifyDataSetChanged();
 253         }
 254     }
 255     private void updateLastUpdateText() {
 256         {
 257             long last_update =
 258                     MLDB.get_option_value(mActivity, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 259             Log.d("transactions", String.format("Last update = %d", last_update));
 260             if (last_update == 0) {
 261                 tvLastUpdate.setText(getString(R.string.transaction_last_update_never));
 262             }
 263             else {
 264                 Date date = new Date(last_update);
 265                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 266                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 267                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 268                 }
 269                 else {
 270                     tvLastUpdate.setText(date.toLocaleString());
 271                 }
 272             }
 273         }
 274     }
 275     public void onClearAccountNameClick(View view) {
 276         vAccountFilter.setVisibility(View.GONE);
 277         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 278         accNameFilter.setText(null);
 279         mShowOnlyAccountName = null;
 280         model.reloadTransactions(this);
 281         modelAdapter.resetBoldAccountName();
 282         modelAdapter.notifyDataSetChanged();
 283         Globals.hideSoftKeyboard(mActivity);
 284     }
 285     public void onShowFilterClick(MenuItem menuItem) {
 286         vAccountFilter.setVisibility(View.VISIBLE);
 287         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 288         if (menuItem != null) {
 289             accNameFilter.requestFocus();
 290             InputMethodManager imm =
 291                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 292             imm.showSoftInput(accNameFilter, 0);
 293         }
 294     }
 295     public void onStopTransactionRefreshClick(View view) {
 296         Log.d("interactive", "Cancelling transactions refresh");
 297         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 298         bTransactionListCancelDownload.setEnabled(false);
 299     }
 300 }