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

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe 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  * MoLe 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 MoLe. 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.pm.PackageInfo;
  22 import android.content.res.ColorStateList;
  23 import android.graphics.Color;
  24 import android.os.Build;
  25 import android.os.Bundle;
  26 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  27 import androidx.fragment.app.Fragment;
  28 import androidx.fragment.app.FragmentManager;
  29 import androidx.fragment.app.FragmentPagerAdapter;
  30 import androidx.core.view.GravityCompat;
  31 import androidx.viewpager.widget.ViewPager;
  32 import androidx.drawerlayout.widget.DrawerLayout;
  33 import androidx.appcompat.app.ActionBarDrawerToggle;
  34 import androidx.appcompat.widget.Toolbar;
  35 import android.util.Log;
  36 import android.view.View;
  37 import android.widget.LinearLayout;
  38 import android.widget.ProgressBar;
  39 import android.widget.TextView;
  40 import android.widget.Toast;
  41
  42 import net.ktnx.mobileledger.R;
  43 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  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.account_summary.AccountSummaryFragment;
  49 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  50 import net.ktnx.mobileledger.utils.Colors;
  51 import net.ktnx.mobileledger.utils.MLDB;
  52
  53 import java.lang.ref.WeakReference;
  54 import java.text.DateFormat;
  55 import java.util.Date;
  56
  57 public class MainActivity extends CrashReportingActivity {
  58     DrawerLayout drawer;
  59     private FragmentManager fragmentManager;
  60     private TextView tvLastUpdate;
  61     private RetrieveTransactionsTask retrieveTransactionsTask;
  62     private View bTransactionListCancelDownload;
  63     private ProgressBar progressBar;
  64     private LinearLayout progressLayout;
  65     private SectionsPagerAdapter mSectionsPagerAdapter;
  66     private ViewPager mViewPager;
  67     private FloatingActionButton fab;
  68
  69     @Override
  70     protected void onStart() {
  71         super.onStart();
  72
  73         Data.lastUpdateDate.set(null);
  74         updateLastUpdateTextFromDB();
  75         Date lastUpdate = Data.lastUpdateDate.get();
  76
  77         long now = new Date().getTime();
  78         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  79             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  80             else Log.d("db",
  81                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  82                             lastUpdate.getTime() / 1000f, now / 1000f));
  83
  84             scheduleTransactionListRetrieval();
  85         }
  86     }
  87     @Override
  88     protected void onCreate(Bundle savedInstanceState) {
  89         super.onCreate(savedInstanceState);
  90
  91         setContentView(R.layout.activity_main);
  92         Toolbar toolbar = findViewById(R.id.toolbar);
  93         setSupportActionBar(toolbar);
  94         fab = findViewById(R.id.btn_add_transaction);
  95
  96         Data.profile.addObserver((o, arg) -> {
  97             MobileLedgerProfile profile = Data.profile.get();
  98             runOnUiThread(() -> {
  99                 if (profile == null) setTitle(R.string.app_name);
 100                 else setTitle(profile.getName());
 101                 updateLastUpdateTextFromDB();
 102                 if (profile.isPostingPermitted()) {
 103                     toolbar.setSubtitle(null);
 104                     fab.show();
 105                 }
 106                 else {
 107                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 108                     fab.hide();
 109                 }
 110
 111                 int newProfileTheme = profile.getThemeId();
 112                 if (newProfileTheme != Colors.profileThemeId) {
 113                     Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 114                             newProfileTheme));
 115                     profileThemeChanged();
 116                     Colors.profileThemeId = newProfileTheme;
 117                 }
 118             });
 119         });
 120
 121         drawer = findViewById(R.id.drawer_layout);
 122         ActionBarDrawerToggle toggle =
 123                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 124                         R.string.navigation_drawer_close);
 125         drawer.addDrawerListener(toggle);
 126         toggle.syncState();
 127
 128         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 129
 130         try {
 131             PackageInfo pi =
 132                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 133             ver.setText(pi.versionName);
 134         }
 135         catch (Exception e) {
 136             e.printStackTrace();
 137         }
 138
 139         tvLastUpdate = findViewById(R.id.transactions_last_update);
 140
 141         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 142         progressBar = findViewById(R.id.transaction_list_progress_bar);
 143         if (progressBar == null)
 144             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 145         progressLayout = findViewById(R.id.transaction_progress_layout);
 146         if (progressLayout == null) throw new RuntimeException(
 147                 "Can't get hold on the transaction value progress bar layout");
 148
 149         fragmentManager = getSupportFragmentManager();
 150         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 151
 152         markDrawerItemCurrent(R.id.nav_account_summary);
 153
 154         mViewPager = findViewById(R.id.root_frame);
 155         mViewPager.setAdapter(mSectionsPagerAdapter);
 156         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 157             @Override
 158             public void onPageSelected(int position) {
 159                 switch (position) {
 160                     case 0:
 161                         markDrawerItemCurrent(R.id.nav_account_summary);
 162                         break;
 163                     case 1:
 164                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 165                         break;
 166                     default:
 167                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 168                 }
 169
 170                 super.onPageSelected(position);
 171             }
 172         });
 173
 174         Data.lastUpdateDate.addObserver((o, arg) -> {
 175             Log.d("main", "lastUpdateDate changed");
 176             runOnUiThread(() -> {
 177                 Date date = Data.lastUpdateDate.get();
 178                 if (date == null) {
 179                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 180                 }
 181                 else {
 182                     final String text = DateFormat.getDateTimeInstance().format(date);
 183                     tvLastUpdate.setText(text);
 184                     Log.d("despair", String.format("Date formatted: %s", text));
 185                 }
 186             });
 187         });
 188
 189         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 190
 191         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 192     }
 193     private void profileThemeChanged() {
 194         setupProfileColors();
 195
 196         // restart activity to reflect theme change
 197         finish();
 198         Intent intent = new Intent(this, this.getClass());
 199         startActivity(intent);
 200     }
 201     @Override
 202     protected void onResume() {
 203         super.onResume();
 204         setupProfile();
 205     }
 206     private void startAddProfileActivity() {
 207         Intent intent = new Intent(this, ProfileListActivity.class);
 208         Bundle args = new Bundle();
 209         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 210         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 211         intent.putExtras(args);
 212         startActivity(intent, args);
 213     }
 214     private void setupProfile() {
 215         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 216         MobileLedgerProfile profile;
 217
 218         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 219
 220         if (Data.profiles.getList().isEmpty()) {
 221             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 222             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 223             return;
 224         }
 225
 226         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 227         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 228
 229         if (profile == null) profile = Data.profiles.get(0);
 230
 231         if (profile == null) throw new AssertionError("profile must have a value");
 232
 233         Data.setCurrentProfile(profile);
 234     }
 235     public void fabNewTransactionClicked(View view) {
 236         Intent intent = new Intent(this, NewTransactionActivity.class);
 237         startActivity(intent);
 238         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 239     }
 240     public void navSettingsClicked(View view) {
 241         Intent intent = new Intent(this, SettingsActivity.class);
 242         startActivity(intent);
 243         drawer.closeDrawers();
 244     }
 245     public void markDrawerItemCurrent(int id) {
 246         TextView item = drawer.findViewById(id);
 247         item.setBackgroundColor(Colors.tableRowDarkBG);
 248
 249         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 250         for (int i = 0; i < actions.getChildCount(); i++) {
 251             View view = actions.getChildAt(i);
 252             if (view.getId() != id) {
 253                 view.setBackgroundColor(Color.TRANSPARENT);
 254             }
 255         }
 256     }
 257     public void onAccountSummaryClicked(View view) {
 258         drawer.closeDrawers();
 259
 260         showAccountSummaryFragment();
 261     }
 262     private void showAccountSummaryFragment() {
 263         mViewPager.setCurrentItem(0, true);
 264         TransactionListFragment.accountFilter.set(null);
 265 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 266 //        accountSummaryFragment = new AccountSummaryFragment();
 267 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 268 //        ft.commit();
 269 //        currentFragment = accountSummaryFragment;
 270     }
 271     public void onLatestTransactionsClicked(View view) {
 272         drawer.closeDrawers();
 273
 274         showTransactionsFragment(null);
 275     }
 276     private void resetFragmentBackStack() {
 277 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 278     }
 279     private void showTransactionsFragment(LedgerAccount account) {
 280         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 281         mViewPager.setCurrentItem(1, true);
 282 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 283 //        if (transactionListFragment == null) {
 284 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 285 //            transactionListFragment = new TransactionListFragment();
 286 //        }
 287 //        Bundle bundle = new Bundle();
 288 //        if (account != null) {
 289 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 290 //                    account.getName());
 291 //        }
 292 //        transactionListFragment.setArguments(bundle);
 293 //        ft.replace(R.id.root_frame, transactionListFragment);
 294 //        if (account != null)
 295 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 296 //        ft.commit();
 297 //
 298 //        currentFragment = transactionListFragment;
 299     }
 300     public void showAccountTransactions(LedgerAccount account) {
 301         showTransactionsFragment(account);
 302     }
 303     @Override
 304     public void onBackPressed() {
 305         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 306         if (drawer.isDrawerOpen(GravityCompat.START)) {
 307             drawer.closeDrawer(GravityCompat.START);
 308         }
 309         else {
 310             Log.d("fragments",
 311                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 312
 313             super.onBackPressed();
 314         }
 315     }
 316     public void updateLastUpdateTextFromDB() {
 317         {
 318             final MobileLedgerProfile profile = Data.profile.get();
 319             long last_update =
 320                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 321
 322             Log.d("transactions", String.format("Last update = %d", last_update));
 323             if (last_update == 0) {
 324                 Data.lastUpdateDate.set(null);
 325             }
 326             else {
 327                 Data.lastUpdateDate.set(new Date(last_update));
 328             }
 329         }
 330     }
 331     public void scheduleTransactionListRetrieval() {
 332         if (Data.profile.get() == null) return;
 333
 334         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 335
 336         retrieveTransactionsTask.execute();
 337         bTransactionListCancelDownload.setEnabled(true);
 338     }
 339     public void onStopTransactionRefreshClick(View view) {
 340         Log.d("interactive", "Cancelling transactions refresh");
 341         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 342         bTransactionListCancelDownload.setEnabled(false);
 343     }
 344     public void onRetrieveDone(String error) {
 345         progressLayout.setVisibility(View.GONE);
 346
 347         if (error == null) {
 348             updateLastUpdateTextFromDB();
 349
 350             new RefreshDescriptionsTask().execute();
 351         }
 352         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 353     }
 354     public void onRetrieveStart() {
 355         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 356         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 357         progressBar.setIndeterminate(true);
 358         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 359         else progressBar.setProgress(0);
 360         progressLayout.setVisibility(View.VISIBLE);
 361     }
 362     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 363         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 364             (progress.getTotal() == 0))
 365         {
 366             progressBar.setIndeterminate(true);
 367         }
 368         else {
 369             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 370                 progressBar.setMin(0);
 371             }
 372             progressBar.setMax(progress.getTotal());
 373             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 374                 progressBar.setProgress(progress.getProgress(), true);
 375             }
 376             else progressBar.setProgress(progress.getProgress());
 377             progressBar.setIndeterminate(false);
 378         }
 379     }
 380     public void navProfilesClicked(View view) {
 381         drawer.closeDrawers();
 382         Intent intent = new Intent(this, ProfileListActivity.class);
 383         startActivity(intent);
 384     }
 385     public void fabShouldShow() {
 386         MobileLedgerProfile profile = Data.profile.get();
 387         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 388     }
 389
 390     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 391
 392         public SectionsPagerAdapter(FragmentManager fm) {
 393             super(fm);
 394         }
 395
 396         @Override
 397         public Fragment getItem(int position) {
 398             Log.d("main", String.format("Switching to fragment %d", position));
 399             switch (position) {
 400                 case 0:
 401                     return new AccountSummaryFragment();
 402                 case 1:
 403                     return new TransactionListFragment();
 404                 default:
 405                     throw new IllegalStateException(
 406                             String.format("Unexpected fragment index: " + "%d", position));
 407             }
 408         }
 409
 410         @Override
 411         public int getCount() {
 412             return 2;
 413         }
 414     }
 415 }