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.model.LedgerTransaction;
  37 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  38 import net.ktnx.mobileledger.utils.MLDB;
  39
  40 import java.lang.ref.WeakReference;
  41 import java.time.ZoneId;
  42 import java.time.format.DateTimeFormatter;
  43 import java.util.Date;
  44 import java.util.List;
  45
  46 public class TransactionListActivity extends AppCompatActivity {
  47     private SwipeRefreshLayout swiper;
  48     private RecyclerView root;
  49     private ProgressBar progressBar;
  50     public TransactionListViewModel model;
  51     private TextView tvLastUpdate;
  52     private TransactionListAdapter modelAdapter;
  53     @Override
  54     protected void onCreate(Bundle savedInstanceState) {
  55         super.onCreate(savedInstanceState);
  56         setContentView(R.layout.transaction_list_activity);
  57
  58         Toolbar toolbar = findViewById(R.id.toolbar);
  59         setSupportActionBar(toolbar);
  60
  61         setupActionBar();
  62
  63         swiper = findViewById(R.id.transaction_swipe);
  64         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
  65         root = findViewById(R.id.transaction_root);
  66         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
  67         progressBar = findViewById(R.id.transaction_progress_bar);
  68         if (progressBar == null)
  69             throw new RuntimeException("Can't get hold on the transaction list progress bar");
  70         tvLastUpdate = findViewById(R.id.transactions_last_update);
  71         {
  72             long last_update = MLDB.get_option_value(this, "transaction_list_last_update", 0L);
  73             Log.d("transactions", String.format("Last update = %d", last_update));
  74             if (last_update == 0) tvLastUpdate.setText("never");
  75             else {
  76                 Date date = new Date(last_update);
  77                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
  78                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
  79                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
  80                 }
  81                 else {
  82                     tvLastUpdate.setText(date.toLocaleString());
  83                 }
  84             }
  85         }
  86         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
  87         List<LedgerTransaction> transactions = model.getTransactions(getApplicationContext());
  88         modelAdapter = new TransactionListAdapter(transactions);
  89
  90         RecyclerView root = findViewById(R.id.transaction_root);
  91         root.setAdapter(modelAdapter);
  92
  93         LinearLayoutManager llm = new LinearLayoutManager(this);
  94
  95         llm.setOrientation(LinearLayoutManager.VERTICAL);
  96         root.setLayoutManager(llm);
  97
  98         swiper.setOnRefreshListener(() -> {
  99             Log.d("ui", "refreshing transactions via swipe");
 100             update_transactions();
 101         });
 102
 103         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 104
 105 //        update_transactions();
 106     }
 107     private void setupActionBar() {
 108         ActionBar actionBar = getSupportActionBar();
 109         if (actionBar != null) {
 110             // Show the Up button in the action bar.
 111             actionBar.setDisplayHomeAsUpEnabled(true);
 112         }
 113     }
 114     @Override
 115     public void finish() {
 116         super.finish();
 117         Log.d("visuals", "finishing");
 118         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
 119     }
 120     private void update_transactions() {
 121         RetrieveTransactionsTask task = new RetrieveTransactionsTask(new WeakReference<>(this));
 122
 123         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 124                 PreferenceManager.getDefaultSharedPreferences(this));
 125
 126         task.execute(params);
 127     }
 128
 129     public void onRetrieveStart() {
 130         progressBar.setIndeterminate(true);
 131         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 132         else progressBar.setProgress(0);
 133         progressBar.setVisibility(View.VISIBLE);
 134     }
 135     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 136         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 137             (progress.getTotal() == 0))
 138         {
 139             progressBar.setIndeterminate(true);
 140         }
 141         else {
 142             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 143                 progressBar.setMin(0);
 144             }
 145             progressBar.setMax(progress.getTotal());
 146             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 147                 progressBar.setProgress(progress.getProgress(), true);
 148             }
 149             else progressBar.setProgress(progress.getProgress());
 150             progressBar.setIndeterminate(false);
 151         }
 152     }
 153
 154     public void onRetrieveDone(boolean success) {
 155         progressBar.setVisibility(View.GONE);
 156         swiper.setRefreshing(false);
 157         if (success) {
 158             Date now = new Date();
 159             MLDB.set_option_value(getApplicationContext(), "transaction_list_last_update",
 160                     now.getTime());
 161             updateLastUpdateText(now);
 162             modelAdapter.notifyDataSetChanged();
 163         }
 164     }
 165     private void updateLastUpdateText(Date now) {
 166         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 167             tvLastUpdate.setText(now.toInstant().atZone(ZoneId.systemDefault()).toString());
 168         }
 169         else {
 170             tvLastUpdate.setText(now.toLocaleString());
 171         }
 172     }
 173 }