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     public TransactionListViewModel model;
  48     private SwipeRefreshLayout swiper;
  49     private RecyclerView root;
  50     private ProgressBar progressBar;
  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         updateLastUpdateText();
  72         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
  73         List<LedgerTransaction> transactions = model.getTransactions(getApplicationContext());
  74         modelAdapter = new TransactionListAdapter(transactions);
  75
  76         RecyclerView root = findViewById(R.id.transaction_root);
  77         root.setAdapter(modelAdapter);
  78
  79         LinearLayoutManager llm = new LinearLayoutManager(this);
  80
  81         llm.setOrientation(LinearLayoutManager.VERTICAL);
  82         root.setLayoutManager(llm);
  83
  84         swiper.setOnRefreshListener(() -> {
  85             Log.d("ui", "refreshing transactions via swipe");
  86             update_transactions();
  87         });
  88
  89         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
  90
  91 //        update_transactions();
  92     }
  93     private void setupActionBar() {
  94         ActionBar actionBar = getSupportActionBar();
  95         if (actionBar != null) {
  96             // Show the Up button in the action bar.
  97             actionBar.setDisplayHomeAsUpEnabled(true);
  98         }
  99     }
 100     @Override
 101     public void finish() {
 102         super.finish();
 103         Log.d("visuals", "finishing");
 104         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
 105     }
 106     private void update_transactions() {
 107         RetrieveTransactionsTask task = new RetrieveTransactionsTask(new WeakReference<>(this));
 108
 109         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 110                 PreferenceManager.getDefaultSharedPreferences(this));
 111
 112         task.execute(params);
 113     }
 114
 115     public void onRetrieveStart() {
 116         progressBar.setIndeterminate(true);
 117         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 118         else progressBar.setProgress(0);
 119         progressBar.setVisibility(View.VISIBLE);
 120     }
 121     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 122         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 123             (progress.getTotal() == 0))
 124         {
 125             progressBar.setIndeterminate(true);
 126         }
 127         else {
 128             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 129                 progressBar.setMin(0);
 130             }
 131             progressBar.setMax(progress.getTotal());
 132             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 133                 progressBar.setProgress(progress.getProgress(), true);
 134             }
 135             else progressBar.setProgress(progress.getProgress());
 136             progressBar.setIndeterminate(false);
 137         }
 138     }
 139
 140     public void onRetrieveDone(boolean success) {
 141         progressBar.setVisibility(View.INVISIBLE);
 142         swiper.setRefreshing(false);
 143         updateLastUpdateText();
 144         if (success) {
 145             modelAdapter.notifyDataSetChanged();
 146         }
 147     }
 148     private void updateLastUpdateText() {
 149         {
 150             long last_update = MLDB.get_option_value(this, MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 151             Log.d("transactions", String.format("Last update = %d", last_update));
 152             if (last_update == 0) tvLastUpdate.setText(getString(R.string.transaction_last_update_never));
 153             else {
 154                 Date date = new Date(last_update);
 155                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 156                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 157                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 158                 }
 159                 else {
 160                     tvLastUpdate.setText(date.toLocaleString());
 161                 }
 162             }
 163         }
 164     }
 165 }