app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java

   1 /*
   2  * Copyright © 2019 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.activity;
  19
  20 import android.content.Intent;
  21 import android.content.SharedPreferences;
  22 import android.content.pm.PackageInfo;
  23 import android.os.Build;
  24 import android.os.Bundle;
  25 import android.support.annotation.ColorInt;
  26 import android.support.v4.app.Fragment;
  27 import android.support.v4.app.FragmentManager;
  28 import android.support.v4.app.FragmentPagerAdapter;
  29 import android.support.v4.view.GravityCompat;
  30 import android.support.v4.view.ViewPager;
  31 import android.support.v4.widget.DrawerLayout;
  32 import android.support.v7.app.ActionBarDrawerToggle;
  33 import android.support.v7.app.AppCompatActivity;
  34 import android.support.v7.widget.Toolbar;
  35 import android.util.Log;
  36 import android.view.ContextMenu;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.widget.LinearLayout;
  40 import android.widget.ProgressBar;
  41 import android.widget.TextView;
  42
  43 import net.ktnx.mobileledger.R;
  44 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  45 import net.ktnx.mobileledger.model.Data;
  46 import net.ktnx.mobileledger.model.LedgerAccount;
  47 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  48 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  49 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  50 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  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 import java.util.Observable;
  58 import java.util.Observer;
  59 import java.util.UUID;
  60
  61 public class MainActivity extends AppCompatActivity {
  62     public MobileLedgerListFragment currentFragment = null;
  63     DrawerLayout drawer;
  64     private AccountSummaryFragment accountSummaryFragment;
  65     private TransactionListFragment transactionListFragment;
  66     private FragmentManager fragmentManager;
  67     private TextView tvLastUpdate;
  68     private RetrieveTransactionsTask retrieveTransactionsTask;
  69     private View bTransactionListCancelDownload;
  70     private ProgressBar progressBar;
  71     private LinearLayout progressLayout;
  72     private SectionsPagerAdapter mSectionsPagerAdapter;
  73     private ViewPager mViewPager;
  74
  75     @Override
  76     protected void onStart() {
  77         super.onStart();
  78
  79         Data.lastUpdateDate.set(null);
  80         updateLastUpdateTextFromDB();
  81         Date lastUpdate = Data.lastUpdateDate.get();
  82
  83         long now = new Date().getTime();
  84         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  85             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  86             else Log.d("db",
  87                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  88                             lastUpdate.getTime() / 1000f, now / 1000f));
  89
  90             scheduleTransactionListRetrieval();
  91         }
  92     }
  93     @Override
  94     protected void onCreate(Bundle savedInstanceState) {
  95         super.onCreate(savedInstanceState);
  96         setContentView(R.layout.activity_main);
  97         Toolbar toolbar = findViewById(R.id.toolbar);
  98         setSupportActionBar(toolbar);
  99
 100         Data.profile.addObserver(new Observer() {
 101             @Override
 102             public void update(Observable o, Object arg) {
 103                 MobileLedgerProfile profile = Data.profile.get();
 104                 runOnUiThread(() -> {
 105                     if (profile == null) toolbar.setSubtitle("");
 106                     else toolbar.setSubtitle(profile.getName());
 107                 });
 108             }
 109         });
 110
 111         String profileUUID = MLDB.get_option_value(MLDB.OPT_PROFILE_UUID, null);
 112         if (profileUUID == null) {
 113             SharedPreferences backend = getSharedPreferences("backend", MODE_PRIVATE);
 114             Log.d("profiles", "Migrating from preferences to profiles");
 115             // migration to multiple profiles
 116             profileUUID = UUID.randomUUID().toString();
 117             MobileLedgerProfile profile = new MobileLedgerProfile(profileUUID, "default",
 118                     backend.getString("backend_url", ""),
 119                     backend.getBoolean("backend_use_http_auth", false),
 120                     backend.getString("backend_auth_user", null),
 121                     backend.getString("backend_auth_password", null));
 122             profile.storeInDB();
 123             SharedPreferences.Editor editor = backend.edit();
 124             editor.clear();
 125             editor.apply();
 126             Data.profile.set(profile);
 127             MLDB.set_option_value(MLDB.OPT_PROFILE_UUID, profileUUID);
 128         }
 129         else {
 130             MobileLedgerProfile profile = MobileLedgerProfile.loadUUIDFromDB(profileUUID);
 131             Data.profile.set(profile);
 132         }
 133
 134         drawer = findViewById(R.id.drawer_layout);
 135         ActionBarDrawerToggle toggle =
 136                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 137                         R.string.navigation_drawer_close);
 138         drawer.addDrawerListener(toggle);
 139         toggle.syncState();
 140
 141         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
 142
 143         try {
 144             PackageInfo pi =
 145                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 146             ver.setText(pi.versionName);
 147         }
 148         catch (Exception e) {
 149             e.printStackTrace();
 150         }
 151
 152         tvLastUpdate = findViewById(R.id.transactions_last_update);
 153
 154         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 155         progressBar = findViewById(R.id.transaction_list_progress_bar);
 156         if (progressBar == null)
 157             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 158         progressLayout = findViewById(R.id.transaction_progress_layout);
 159         if (progressLayout == null) throw new RuntimeException(
 160                 "Can't get hold on the transaction value progress bar layout");
 161
 162         fragmentManager = getSupportFragmentManager();
 163         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 164
 165         mViewPager = findViewById(R.id.root_frame);
 166         mViewPager.setAdapter(mSectionsPagerAdapter);
 167         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener(){
 168             @Override
 169             public void onPageSelected(int position) {
 170                 switch (position) {
 171                     case 0:
 172                         markDrawerItemCurrent(R.id.nav_account_summary);
 173                         break;
 174                     case 1:
 175                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 176                         break;
 177                     default:
 178                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 179                 }
 180
 181                 super.onPageSelected(position);
 182             }
 183         });
 184
 185         Data.lastUpdateDate.addObserver(new Observer() {
 186             @Override
 187             public void update(Observable o, Object arg) {
 188                 Log.d("main", "lastUpdateDate changed");
 189                 runOnUiThread(() -> {
 190                     Date date = Data.lastUpdateDate.get();
 191                     if (date == null) {
 192                         tvLastUpdate.setText(R.string.transaction_last_update_never);
 193                     }
 194                     else {
 195                         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 196                             tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 197                                     .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 198                         }
 199                         else {
 200                             tvLastUpdate.setText(date.toLocaleString());
 201                         }
 202                     }
 203                 });
 204             }
 205         });
 206     }
 207     public void fab_new_transaction_clicked(View view) {
 208         Intent intent = new Intent(this, NewTransactionActivity.class);
 209         startActivity(intent);
 210         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 211     }
 212
 213     public void nav_exit_clicked(View view) {
 214         Log.w("app", "exiting");
 215         finish();
 216     }
 217
 218     public void nav_settings_clicked(View view) {
 219         Intent intent = new Intent(this, SettingsActivity.class);
 220         startActivity(intent);
 221     }
 222     public void markDrawerItemCurrent(int id) {
 223         TextView item = drawer.findViewById(id);
 224         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 225             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 226         }
 227         else {
 228             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 229         }
 230
 231         setTitle(item.getText());
 232
 233         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 234
 235         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 236         for (int i = 0; i < actions.getChildCount(); i++) {
 237             View view = actions.getChildAt(i);
 238             if (view.getId() != id) {
 239                 view.setBackgroundColor(transparent);
 240             }
 241         }
 242     }
 243     public void onOptionsMenuClicked(MenuItem menuItem) {
 244         ContextMenu.ContextMenuInfo info = menuItem.getMenuInfo();
 245         switch (menuItem.getItemId()) {
 246             case R.id.menu_acc_summary_cancel_selection:
 247                 if (accountSummaryFragment != null)
 248                     accountSummaryFragment.onCancelAccSelection(menuItem);
 249                 break;
 250             case R.id.menu_acc_summary_confirm_selection:
 251                 if (accountSummaryFragment != null)
 252                     accountSummaryFragment.onConfirmAccSelection(menuItem);
 253                 break;
 254             case R.id.menu_acc_summary_only_starred:
 255                 if (accountSummaryFragment != null)
 256                     accountSummaryFragment.onShowOnlyStarredClicked(menuItem);
 257                 break;
 258             case R.id.menu_transaction_list_filter:
 259                 if (transactionListFragment != null)
 260                     transactionListFragment.onShowFilterClick(menuItem);
 261                 break;
 262             default:
 263                 Log.e("menu", String.format("Menu item %d not handled", menuItem.getItemId()));
 264         }
 265     }
 266     public void onViewClicked(View view) {
 267         switch (view.getId()) {
 268             case R.id.clearAccountNameFilter:
 269                 if (transactionListFragment != null)
 270                     transactionListFragment.onClearAccountNameClick(view);
 271                 break;
 272             default:
 273                 Log.e("click", String.format("View %d click not handled", view.getId()));
 274         }
 275     }
 276     public void onAccountSummaryClicked(View view) {
 277         drawer.closeDrawers();
 278
 279         showAccountSummaryFragment();
 280     }
 281     private void showAccountSummaryFragment() {
 282         mViewPager.setCurrentItem(0, true);
 283 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 284 //        accountSummaryFragment = new AccountSummaryFragment();
 285 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 286 //        ft.commit();
 287 //        currentFragment = accountSummaryFragment;
 288     }
 289     public void onLatestTransactionsClicked(View view) {
 290         drawer.closeDrawers();
 291
 292         showTransactionsFragment(null);
 293     }
 294     private void resetFragmentBackStack() {
 295 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 296     }
 297     private void showTransactionsFragment(LedgerAccount account) {
 298         mViewPager.setCurrentItem(1, true);
 299 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 300 //        if (transactionListFragment == null) {
 301 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 302 //            transactionListFragment = new TransactionListFragment();
 303 //        }
 304 //        Bundle bundle = new Bundle();
 305 //        if (account != null) {
 306 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 307 //                    account.getName());
 308 //        }
 309 //        transactionListFragment.setArguments(bundle);
 310 //        ft.replace(R.id.root_frame, transactionListFragment);
 311 //        if (account != null)
 312 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 313 //        ft.commit();
 314 //
 315 //        currentFragment = transactionListFragment;
 316     }
 317     public void showAccountTransactions(LedgerAccount account) {
 318         showTransactionsFragment(account);
 319     }
 320     @Override
 321     public void onBackPressed() {
 322         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 323         if (drawer.isDrawerOpen(GravityCompat.START)) {
 324             drawer.closeDrawer(GravityCompat.START);
 325         }
 326         else {
 327             Log.d("fragments",
 328                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 329
 330             super.onBackPressed();
 331         }
 332     }
 333     public void updateLastUpdateTextFromDB() {
 334         {
 335             long last_update = MLDB.get_option_value(MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 336
 337             Log.d("transactions", String.format("Last update = %d", last_update));
 338             if (last_update == 0) {
 339                 Data.lastUpdateDate.set(null);
 340             }
 341             else {
 342                 Data.lastUpdateDate.set(new Date(last_update));
 343             }
 344         }
 345     }
 346     public void scheduleTransactionListRetrieval() {
 347         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 348
 349         retrieveTransactionsTask.execute();
 350         bTransactionListCancelDownload.setEnabled(true);
 351     }
 352     public void onStopTransactionRefreshClick(View view) {
 353         Log.d("interactive", "Cancelling transactions refresh");
 354         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 355         bTransactionListCancelDownload.setEnabled(false);
 356     }
 357     public void onRetrieveDone(boolean success) {
 358         progressLayout.setVisibility(View.GONE);
 359         updateLastUpdateTextFromDB();
 360     }
 361     public void onRetrieveStart() {
 362         progressBar.setIndeterminate(true);
 363         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 364         else progressBar.setProgress(0);
 365         progressLayout.setVisibility(View.VISIBLE);
 366     }
 367     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 368         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 369             (progress.getTotal() == 0))
 370         {
 371             progressBar.setIndeterminate(true);
 372         }
 373         else {
 374             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 375                 progressBar.setMin(0);
 376             }
 377             progressBar.setMax(progress.getTotal());
 378             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 379                 progressBar.setProgress(progress.getProgress(), true);
 380             }
 381             else progressBar.setProgress(progress.getProgress());
 382             progressBar.setIndeterminate(false);
 383         }
 384     }
 385     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 386
 387         public SectionsPagerAdapter(FragmentManager fm) {
 388             super(fm);
 389         }
 390
 391         @Override
 392         public Fragment getItem(int position) {
 393             Log.d("main", String.format("Switching to gragment %d", position));
 394             switch (position) {
 395                 case 0:
 396                     return new AccountSummaryFragment();
 397                 case 1:
 398                     return new TransactionListFragment();
 399                 default:
 400                     throw new IllegalStateException(
 401                             String.format("Unexpected fragment index: " + "%d", position));
 402             }
 403         }
 404
 405         @Override
 406         public int getCount() {
 407             return 2;
 408         }
 409     }
 410
 411 }