app/src/main/java/net/ktnx/mobileledger/TransactionListActivity.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;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.os.Build;
  22 import android.os.Bundle;
  23 import android.preference.PreferenceManager;
  24 import android.support.v4.widget.SwipeRefreshLayout;
  25 import android.support.v7.app.ActionBar;
  26 import android.support.v7.app.AppCompatActivity;
  27 import android.support.v7.widget.LinearLayoutManager;
  28 import android.support.v7.widget.RecyclerView;
  29 import android.support.v7.widget.Toolbar;
  30 import android.util.Log;
  31 import android.view.View;
  32 import android.widget.ProgressBar;
  33 import android.widget.TextView;
  34
  35 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  36 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  37 import net.ktnx.mobileledger.utils.MLDB;
  38
  39 import java.lang.ref.WeakReference;
  40 import java.time.ZoneId;
  41 import java.time.format.DateTimeFormatter;
  42 import java.util.Date;
  43
  44 public class TransactionListActivity extends AppCompatActivity {
  45     public TransactionListViewModel model;
  46     private SwipeRefreshLayout swiper;
  47     private RecyclerView root;
  48     private ProgressBar progressBar;
  49     private TextView tvLastUpdate;
  50     private TransactionListAdapter modelAdapter;
  51     @Override
  52     protected void onCreate(Bundle savedInstanceState) {
  53         super.onCreate(savedInstanceState);
  54         setContentView(R.layout.transaction_list_activity);
  55
  56         Toolbar toolbar = findViewById(R.id.toolbar);
  57         setSupportActionBar(toolbar);
  58
  59         setupActionBar();
  60
  61         swiper = findViewById(R.id.transaction_swipe);
  62         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
  63         root = findViewById(R.id.transaction_root);
  64         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
  65         progressBar = findViewById(R.id.transaction_progress_bar);
  66         if (progressBar == null)
  67             throw new RuntimeException("Can't get hold on the transaction list progress bar");
  68         tvLastUpdate = findViewById(R.id.transactions_last_update);
  69         updateLastUpdateText();
  70         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
  71         modelAdapter = new TransactionListAdapter(model);
  72
  73         RecyclerView root = findViewById(R.id.transaction_root);
  74         root.setAdapter(modelAdapter);
  75
  76         LinearLayoutManager llm = new LinearLayoutManager(this);
  77
  78         llm.setOrientation(LinearLayoutManager.VERTICAL);
  79         root.setLayoutManager(llm);
  80
  81         swiper.setOnRefreshListener(() -> {
  82             Log.d("ui", "refreshing transactions via swipe");
  83             update_transactions();
  84         });
  85
  86         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
  87
  88         updateLastUpdateText();
  89         long last_update = MLDB.get_option_value(this, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
  90         Log.d("transactions", String.format("Last update = %d", last_update));
  91         if (last_update == 0) {
  92             update_transactions();
  93         }
  94     }
  95     private void setupActionBar() {
  96         ActionBar actionBar = getSupportActionBar();
  97         if (actionBar != null) {
  98             // Show the Up button in the action bar.
  99             actionBar.setDisplayHomeAsUpEnabled(true);
 100         }
 101     }
 102     @Override
 103     public void finish() {
 104         super.finish();
 105         Log.d("visuals", "finishing");
 106         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
 107     }
 108     private void update_transactions() {
 109         RetrieveTransactionsTask task = new RetrieveTransactionsTask(new WeakReference<>(this));
 110
 111         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 112                 PreferenceManager.getDefaultSharedPreferences(this));
 113
 114         task.execute(params);
 115     }
 116
 117     public void onRetrieveStart() {
 118         progressBar.setIndeterminate(true);
 119         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 120         else progressBar.setProgress(0);
 121         progressBar.setVisibility(View.VISIBLE);
 122     }
 123     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 124         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 125             (progress.getTotal() == 0))
 126         {
 127             progressBar.setIndeterminate(true);
 128         }
 129         else {
 130             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 131                 progressBar.setMin(0);
 132             }
 133             progressBar.setMax(progress.getTotal());
 134             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 135                 progressBar.setProgress(progress.getProgress(), true);
 136             }
 137             else progressBar.setProgress(progress.getProgress());
 138             progressBar.setIndeterminate(false);
 139         }
 140     }
 141
 142     public void onRetrieveDone(boolean success) {
 143         progressBar.setVisibility(View.INVISIBLE);
 144         swiper.setRefreshing(false);
 145         updateLastUpdateText();
 146         if (success) {
 147             Log.d("transactions", "calling notifyDataSetChanged()");
 148             modelAdapter.notifyDataSetChanged();
 149         }
 150     }
 151     private void updateLastUpdateText() {
 152         {
 153             long last_update = MLDB.get_option_value(this, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 154             Log.d("transactions", String.format("Last update = %d", last_update));
 155             if (last_update == 0) {
 156                 tvLastUpdate.setText(getString(R.string.transaction_last_update_never));
 157             }
 158             else {
 159                 Date date = new Date(last_update);
 160                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 161                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 162                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 163                 }
 164                 else {
 165                     tvLastUpdate.setText(date.toLocaleString());
 166                 }
 167             }
 168         }
 169     }
 170 }