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.SharedPreferences;
  22 import android.content.pm.PackageInfo;
  23 import android.content.pm.ShortcutInfo;
  24 import android.content.pm.ShortcutManager;
  25 import android.content.res.ColorStateList;
  26 import android.graphics.Color;
  27 import android.graphics.drawable.Icon;
  28 import android.os.AsyncTask;
  29 import android.os.Build;
  30 import android.os.Bundle;
  31 import android.util.Log;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.view.ViewPropertyAnimator;
  35 import android.view.animation.AnimationUtils;
  36 import android.widget.LinearLayout;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  42
  43 import net.ktnx.mobileledger.R;
  44 import net.ktnx.mobileledger.async.DbOpQueue;
  45 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  46 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  47 import net.ktnx.mobileledger.model.Data;
  48 import net.ktnx.mobileledger.model.LedgerAccount;
  49 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  50 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryAdapter;
  51 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  52 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryViewModel;
  53 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  54 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  55 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  56 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  57 import net.ktnx.mobileledger.utils.Colors;
  58 import net.ktnx.mobileledger.utils.GetOptCallback;
  59 import net.ktnx.mobileledger.utils.LockHolder;
  60 import net.ktnx.mobileledger.utils.MLDB;
  61
  62 import org.jetbrains.annotations.NotNull;
  63
  64 import java.text.DateFormat;
  65 import java.util.ArrayList;
  66 import java.util.Date;
  67 import java.util.List;
  68 import java.util.Locale;
  69
  70 import androidx.appcompat.app.ActionBarDrawerToggle;
  71 import androidx.appcompat.widget.Toolbar;
  72 import androidx.core.view.GravityCompat;
  73 import androidx.drawerlayout.widget.DrawerLayout;
  74 import androidx.fragment.app.Fragment;
  75 import androidx.fragment.app.FragmentManager;
  76 import androidx.fragment.app.FragmentPagerAdapter;
  77 import androidx.recyclerview.widget.LinearLayoutManager;
  78 import androidx.recyclerview.widget.RecyclerView;
  79 import androidx.viewpager.widget.ViewPager;
  80
  81 import static net.ktnx.mobileledger.utils.Logger.debug;
  82
  83 public class MainActivity extends ProfileThemedActivity {
  84     public static final String STATE_CURRENT_PAGE = "current_page";
  85     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  86     public static final String STATE_ACC_FILTER = "account_filter";
  87     private static final String PREF_THEME_ID = "themeId";
  88     public AccountSummaryFragment mAccountSummaryFragment;
  89     DrawerLayout drawer;
  90     private View profileListHeadMore, profileListHeadCancel, profileListHeadAddProfile;
  91     private FragmentManager fragmentManager;
  92     private View bTransactionListCancelDownload;
  93     private ProgressBar progressBar;
  94     private LinearLayout progressLayout;
  95     private SectionsPagerAdapter mSectionsPagerAdapter;
  96     private ViewPager mViewPager;
  97     private FloatingActionButton fab;
  98     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  99     private int mCurrentPage;
 100     private String mAccountFilter;
 101     private boolean mBackMeansToAccountList = false;
 102     private Toolbar mToolbar;
 103     private DrawerLayout.SimpleDrawerListener drawerListener;
 104     private ActionBarDrawerToggle barDrawerToggle;
 105     private ViewPager.SimpleOnPageChangeListener pageChangeListener;
 106     private MobileLedgerProfile profile;
 107     @Override
 108     protected void onStart() {
 109         super.onStart();
 110
 111         debug("flow", "MainActivity.onStart()");
 112         mViewPager.setCurrentItem(mCurrentPage, false);
 113         if (mAccountFilter != null) showTransactionsFragment(mAccountFilter);
 114         else Data.accountFilter.setValue(null);
 115
 116     }
 117     @Override
 118     protected void onSaveInstanceState(@NotNull Bundle outState) {
 119         super.onSaveInstanceState(outState);
 120         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 121         if (mAccountFilter != null) outState.putString(STATE_ACC_FILTER, mAccountFilter);
 122     }
 123     @Override
 124     protected void onDestroy() {
 125         mSectionsPagerAdapter = null;
 126         RecyclerView root = findViewById(R.id.nav_profile_list);
 127         if (root != null) root.setAdapter(null);
 128         if (drawer != null) drawer.removeDrawerListener(drawerListener);
 129         drawerListener = null;
 130         if (drawer != null) drawer.removeDrawerListener(barDrawerToggle);
 131         barDrawerToggle = null;
 132         if (mViewPager != null) mViewPager.removeOnPageChangeListener(pageChangeListener);
 133         pageChangeListener = null;
 134         super.onDestroy();
 135     }
 136     @Override
 137     protected void setupProfileColors() {
 138         SharedPreferences prefs = getPreferences(MODE_PRIVATE);
 139         int profileColor = prefs.getInt(PREF_THEME_ID, -2);
 140         if (profileColor == -2) profileColor = Data.retrieveCurrentThemeIdFromDb();
 141         Colors.setupTheme(this, profileColor);
 142         Colors.profileThemeId = profileColor;
 143         storeThemeIdInPrefs(profileColor);
 144     }
 145     @Override
 146     protected void onCreate(Bundle savedInstanceState) {
 147         super.onCreate(savedInstanceState);
 148         debug("flow", "MainActivity.onCreate()");
 149         setContentView(R.layout.activity_main);
 150
 151         fab = findViewById(R.id.btn_add_transaction);
 152         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 153         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 154         LinearLayout profileListHeadMoreAndCancel =
 155                 findViewById(R.id.nav_profile_list_head_buttons);
 156         profileListHeadAddProfile = findViewById(R.id.nav_new_profile_button);
 157         drawer = findViewById(R.id.drawer_layout);
 158         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 159         progressBar = findViewById(R.id.transaction_list_progress_bar);
 160         progressLayout = findViewById(R.id.transaction_progress_layout);
 161         fragmentManager = getSupportFragmentManager();
 162         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 163         mViewPager = findViewById(R.id.root_frame);
 164
 165         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 166         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 167
 168
 169         mToolbar = findViewById(R.id.toolbar);
 170         setSupportActionBar(mToolbar);
 171
 172         Data.profile.observe(this, this::onProfileChanged);
 173
 174         Data.profiles.observe(this, this::onProfileListChanged);
 175
 176         if (barDrawerToggle == null) {
 177             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
 178                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 179             drawer.addDrawerListener(barDrawerToggle);
 180         }
 181         barDrawerToggle.syncState();
 182
 183         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 184
 185         try {
 186             PackageInfo pi =
 187                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 188             ver.setText(pi.versionName);
 189         }
 190         catch (Exception e) {
 191             e.printStackTrace();
 192         }
 193
 194         if (progressBar == null)
 195             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 196         if (progressLayout == null) throw new RuntimeException(
 197                 "Can't get hold on the transaction value progress bar layout");
 198
 199         markDrawerItemCurrent(R.id.nav_account_summary);
 200
 201         mViewPager.setAdapter(mSectionsPagerAdapter);
 202
 203         if (pageChangeListener == null) {
 204             pageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 205                 @Override
 206                 public void onPageSelected(int position) {
 207                     switch (position) {
 208                         case 0:
 209                             markDrawerItemCurrent(R.id.nav_account_summary);
 210                             break;
 211                         case 1:
 212                             markDrawerItemCurrent(R.id.nav_latest_transactions);
 213                             break;
 214                         default:
 215                             Log.e("MainActivity",
 216                                     String.format("Unexpected page index %d", position));
 217                     }
 218
 219                     super.onPageSelected(position);
 220                 }
 221             };
 222             mViewPager.addOnPageChangeListener(pageChangeListener);
 223         }
 224
 225         mCurrentPage = 0;
 226         if (savedInstanceState != null) {
 227             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 228             if (currentPage != -1) {
 229                 mCurrentPage = currentPage;
 230             }
 231             mAccountFilter = savedInstanceState.getString(STATE_ACC_FILTER, null);
 232         }
 233         else mAccountFilter = null;
 234
 235         Data.lastUpdateDate.observe(this, this::updateLastUpdateDisplay);
 236
 237         findViewById(R.id.btn_no_profiles_add)
 238                 .setOnClickListener(v -> startEditProfileActivity(null));
 239
 240         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 241
 242         findViewById(R.id.nav_new_profile_button)
 243                 .setOnClickListener(v -> startEditProfileActivity(null));
 244
 245         RecyclerView root = findViewById(R.id.nav_profile_list);
 246         if (root == null)
 247             throw new RuntimeException("Can't get hold on the transaction value view");
 248
 249         if (mProfileListAdapter == null) mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 250         root.setAdapter(mProfileListAdapter);
 251
 252         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
 253             if (newValue) {
 254                 profileListHeadMore.setVisibility(View.GONE);
 255                 profileListHeadCancel.setVisibility(View.VISIBLE);
 256                 profileListHeadAddProfile.setVisibility(View.VISIBLE);
 257                 if (drawer.isDrawerOpen(GravityCompat.START)) {
 258                     profileListHeadMore.startAnimation(
 259                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 260                     profileListHeadCancel.startAnimation(
 261                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 262                     profileListHeadAddProfile.startAnimation(
 263                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 264                 }
 265             }
 266             else {
 267                 profileListHeadCancel.setVisibility(View.GONE);
 268                 profileListHeadMore.setVisibility(View.VISIBLE);
 269                 profileListHeadAddProfile.setVisibility(View.GONE);
 270                 if (drawer.isDrawerOpen(GravityCompat.START)) {
 271                     profileListHeadCancel.startAnimation(
 272                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 273                     profileListHeadMore.startAnimation(
 274                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 275                     profileListHeadAddProfile.startAnimation(
 276                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 277                 }
 278             }
 279
 280             mProfileListAdapter.notifyDataSetChanged();
 281         });
 282
 283         LinearLayoutManager llm = new LinearLayoutManager(this);
 284
 285         llm.setOrientation(RecyclerView.VERTICAL);
 286         root.setLayoutManager(llm);
 287
 288         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 289         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 290         profileListHeadMoreAndCancel
 291                 .setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 292         if (drawerListener == null) {
 293             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 294                 @Override
 295                 public void onDrawerClosed(View drawerView) {
 296                     super.onDrawerClosed(drawerView);
 297                     mProfileListAdapter.setAnimationsEnabled(false);
 298                     mProfileListAdapter.editingProfiles.setValue(false);
 299                 }
 300                 @Override
 301                 public void onDrawerOpened(View drawerView) {
 302                     super.onDrawerOpened(drawerView);
 303                     mProfileListAdapter.setAnimationsEnabled(true);
 304                 }
 305             };
 306             drawer.addDrawerListener(drawerListener);
 307         }
 308         setupProfile();
 309     }
 310     private void scheduleDataRetrievalIfStale(Date lastUpdate) {
 311         long now = new Date().getTime();
 312         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
 313             if (lastUpdate == null) debug("db::", "WEB data never fetched. scheduling a fetch");
 314             else debug("db", String.format(Locale.ENGLISH,
 315                     "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 316                     lastUpdate.getTime() / 1000f, now / 1000f));
 317
 318             Data.scheduleTransactionListRetrieval(this);
 319         }
 320     }
 321     private void createShortcuts(List<MobileLedgerProfile> list) {
 322         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return;
 323
 324         List<ShortcutInfo> shortcuts = new ArrayList<>();
 325         int i = 0;
 326         for (MobileLedgerProfile p : list) {
 327             if (!p.isPostingPermitted()) continue;
 328
 329             ShortcutInfo si = new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid())
 330                     .setShortLabel(p.getName())
 331                     .setIcon(Icon.createWithResource(this, R.drawable.svg_thick_plus_white))
 332                     .setIntent(
 333                             new Intent(Intent.ACTION_VIEW, null, this, NewTransactionActivity.class)
 334                                     .putExtra("profile_uuid", p.getUuid())).setRank(i).build();
 335             shortcuts.add(si);
 336             i++;
 337         }
 338         ShortcutManager sm = getSystemService(ShortcutManager.class);
 339         sm.setDynamicShortcuts(shortcuts);
 340     }
 341     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
 342         if (newList == null) {
 343             // profiles not yet loaded from DB
 344             findViewById(R.id.loading_layout).setVisibility(View.VISIBLE);
 345             findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 346             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 347             return;
 348         }
 349
 350         if (newList.isEmpty()) {
 351             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 352             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 353             findViewById(R.id.loading_layout).setVisibility(View.GONE);
 354             return;
 355         }
 356
 357         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 358         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 359         findViewById(R.id.loading_layout).setVisibility(View.GONE);
 360
 361         findViewById(R.id.nav_profile_list).setMinimumHeight(
 362                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
 363
 364         debug("profiles", "profile list changed");
 365         mProfileListAdapter.notifyDataSetChanged();
 366
 367         createShortcuts(newList);
 368     }
 369     /**
 370      * called when the current profile has changed
 371      */
 372     private void onProfileChanged(MobileLedgerProfile profile) {
 373         boolean haveProfile = profile != null;
 374         findViewById(R.id.no_profiles_layout).setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 375         findViewById(R.id.pager_layout).setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 376
 377         if (haveProfile) setTitle(profile.getName());
 378         else setTitle(R.string.app_name);
 379
 380         this.profile = profile;
 381
 382         mProfileListAdapter.notifyDataSetChanged();
 383
 384         int newProfileTheme = haveProfile ? profile.getThemeId() : -1;
 385         if (newProfileTheme != Colors.profileThemeId) {
 386             debug("profiles",
 387                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
 388                             newProfileTheme));
 389             MainActivity.this.profileThemeChanged();
 390             Colors.profileThemeId = newProfileTheme;
 391             // profileThemeChanged would restart the activity, so no need to reload the
 392             // data sets below
 393             return;
 394         }
 395
 396         drawer.closeDrawers();
 397
 398         Data.transactions.clear();
 399         debug("transactions", "requesting list reload");
 400         TransactionListViewModel.scheduleTransactionListReload();
 401
 402         Data.accounts.clear();
 403         AccountSummaryViewModel.scheduleAccountListReload();
 404
 405         if (haveProfile) {
 406             if (profile.isPostingPermitted()) {
 407                 mToolbar.setSubtitle(null);
 408                 fab.show();
 409             }
 410             else {
 411                 mToolbar.setSubtitle(R.string.profile_subitlte_read_only);
 412                 fab.hide();
 413             }
 414         }
 415         else {
 416             mToolbar.setSubtitle(null);
 417             fab.hide();
 418         }
 419
 420         updateLastUpdateTextFromDB();
 421     }
 422     private void updateLastUpdateDisplay(Date newValue) {
 423         LinearLayout l = findViewById(R.id.transactions_last_update_layout);
 424         TextView v = findViewById(R.id.transactions_last_update);
 425         if (newValue == null) {
 426             l.setVisibility(View.INVISIBLE);
 427             debug("main", "no last update date :(");
 428         }
 429         else {
 430             final String text = DateFormat.getDateTimeInstance().format(newValue);
 431             v.setText(text);
 432             l.setVisibility(View.VISIBLE);
 433             debug("main", String.format("Date formatted: %s", text));
 434         }
 435
 436         scheduleDataRetrievalIfStale(newValue);
 437     }
 438     private void profileThemeChanged() {
 439         Bundle bundle = new Bundle();
 440         onSaveInstanceState(bundle);
 441
 442         storeThemeIdInPrefs(profile.getThemeId());
 443
 444         // restart activity to reflect theme change
 445         finish();
 446
 447         // un-hook all observed LiveData
 448         Data.profile.removeObservers(this);
 449         Data.profiles.removeObservers(this);
 450         Data.lastUpdateDate.removeObservers(this);
 451         Intent intent = new Intent(this, this.getClass());
 452         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 453         startActivity(intent);
 454     }
 455     private void storeThemeIdInPrefs(int themeId) {
 456         // store the new theme id in the preferences
 457         SharedPreferences prefs = getPreferences(MODE_PRIVATE);
 458         SharedPreferences.Editor e = prefs.edit();
 459         e.putInt(PREF_THEME_ID, themeId);
 460         e.apply();
 461     }
 462     public void startEditProfileActivity(MobileLedgerProfile profile) {
 463         Intent intent = new Intent(this, ProfileDetailActivity.class);
 464         Bundle args = new Bundle();
 465         if (profile != null) {
 466             int index = Data.getProfileIndex(profile);
 467             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 468         }
 469         intent.putExtras(args);
 470         startActivity(intent, args);
 471     }
 472     private void setupProfile() {
 473         MLDB.getOption(MLDB.OPT_PROFILE_UUID, null, new GetOptCallback() {
 474             @Override
 475             protected void onResult(String profileUUID) {
 476                 MobileLedgerProfile startupProfile;
 477
 478                 startupProfile = Data.getProfile(profileUUID);
 479                 Data.setCurrentProfile(startupProfile);
 480             }
 481         });
 482     }
 483     public void fabNewTransactionClicked(View view) {
 484         Intent intent = new Intent(this, NewTransactionActivity.class);
 485         startActivity(intent);
 486         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 487     }
 488     public void navSettingsClicked(View view) {
 489         Intent intent = new Intent(this, SettingsActivity.class);
 490         startActivity(intent);
 491         drawer.closeDrawers();
 492     }
 493     public void markDrawerItemCurrent(int id) {
 494         TextView item = drawer.findViewById(id);
 495         item.setBackgroundColor(Colors.tableRowDarkBG);
 496
 497         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 498         for (int i = 0; i < actions.getChildCount(); i++) {
 499             View view = actions.getChildAt(i);
 500             if (view.getId() != id) {
 501                 view.setBackgroundColor(Color.TRANSPARENT);
 502             }
 503         }
 504     }
 505     public void onAccountSummaryClicked(View view) {
 506         drawer.closeDrawers();
 507
 508         showAccountSummaryFragment();
 509     }
 510     private void showAccountSummaryFragment() {
 511         mViewPager.setCurrentItem(0, true);
 512         Data.accountFilter.setValue(null);
 513     }
 514     public void onLatestTransactionsClicked(View view) {
 515         drawer.closeDrawers();
 516
 517         showTransactionsFragment((String) null);
 518     }
 519     private void showTransactionsFragment(String accName) {
 520         Data.accountFilter.setValue(accName);
 521         mViewPager.setCurrentItem(1, true);
 522     }
 523     private void showTransactionsFragment(LedgerAccount account) {
 524         showTransactionsFragment((account == null) ? null : account.getName());
 525     }
 526     public void showAccountTransactions(LedgerAccount account) {
 527         mBackMeansToAccountList = true;
 528         showTransactionsFragment(account);
 529     }
 530     @Override
 531     public void onBackPressed() {
 532         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 533         if (drawer.isDrawerOpen(GravityCompat.START)) {
 534             drawer.closeDrawer(GravityCompat.START);
 535         }
 536         else {
 537             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
 538                 Data.accountFilter.setValue(null);
 539                 showAccountSummaryFragment();
 540                 mBackMeansToAccountList = false;
 541             }
 542             else {
 543                 debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
 544                         fragmentManager.getBackStackEntryCount()));
 545
 546                 super.onBackPressed();
 547             }
 548         }
 549     }
 550     public void updateLastUpdateTextFromDB() {
 551         if (profile == null) return;
 552
 553         long last_update = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 554
 555         debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", last_update));
 556         if (last_update == 0) {
 557             Data.lastUpdateDate.postValue(null);
 558         }
 559         else {
 560             Data.lastUpdateDate.postValue(new Date(last_update));
 561         }
 562     }
 563     public void onStopTransactionRefreshClick(View view) {
 564         debug("interactive", "Cancelling transactions refresh");
 565         Data.stopTransactionsRetrieval();
 566         bTransactionListCancelDownload.setEnabled(false);
 567     }
 568     public void onRetrieveDone(String error) {
 569         Data.transactionRetrievalDone();
 570         progressLayout.setVisibility(View.GONE);
 571
 572         if (error == null) {
 573             updateLastUpdateTextFromDB();
 574
 575             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 576             TransactionListViewModel.scheduleTransactionListReload();
 577         }
 578         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 579     }
 580     public void onRetrieveStart() {
 581         bTransactionListCancelDownload.setEnabled(true);
 582         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 583         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 584         progressBar.setIndeterminate(true);
 585         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 586         else progressBar.setProgress(0);
 587         progressLayout.setVisibility(View.VISIBLE);
 588     }
 589     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 590         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 591             (progress.getTotal() == 0))
 592         {
 593             progressBar.setIndeterminate(true);
 594         }
 595         else {
 596             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 597                 progressBar.setMin(0);
 598             }
 599             progressBar.setMax(progress.getTotal());
 600             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 601                 progressBar.setProgress(progress.getProgress(), true);
 602             }
 603             else progressBar.setProgress(progress.getProgress());
 604             progressBar.setIndeterminate(false);
 605         }
 606     }
 607     public void fabShouldShow() {
 608         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 609     }
 610     public void fabHide() {
 611         fab.hide();
 612     }
 613     public void onAccountSummaryRowViewClicked(View view) {
 614         ViewGroup row;
 615         if (view.getId() == R.id.account_expander) row = (ViewGroup) view.getParent().getParent();
 616         else row = (ViewGroup) view.getParent();
 617
 618         LedgerAccount acc = (LedgerAccount) row.getTag();
 619         switch (view.getId()) {
 620             case R.id.account_row_acc_name:
 621             case R.id.account_expander:
 622             case R.id.account_expander_container:
 623                 debug("accounts", "Account expander clicked");
 624                 if (!acc.hasSubAccounts()) return;
 625
 626                 boolean wasExpanded = acc.isExpanded();
 627
 628                 View arrow = row.findViewById(R.id.account_expander_container);
 629
 630                 arrow.clearAnimation();
 631                 ViewPropertyAnimator animator = arrow.animate();
 632
 633                 acc.toggleExpanded();
 634                 DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
 635                         new Object[]{acc.isExpanded(), acc.getName(), profile.getUuid()
 636                         });
 637
 638                 if (wasExpanded) {
 639                     debug("accounts", String.format("Collapsing account '%s'", acc.getName()));
 640                     arrow.setRotation(0);
 641                     animator.rotationBy(180);
 642
 643                     // removing all child accounts from the view
 644                     int start = -1, count = 0;
 645                     try (LockHolder ignored = Data.accounts.lockForWriting()) {
 646                         for (int i = 0; i < Data.accounts.size(); i++) {
 647                             if (acc.isParentOf(Data.accounts.get(i))) {
 648 //                                debug("accounts", String.format("Found a child '%s' at position %d",
 649 //                                        Data.accounts.get(i).getName(), i));
 650                                 if (start == -1) {
 651                                     start = i;
 652                                 }
 653                                 count++;
 654                             }
 655                             else {
 656                                 if (start != -1) {
 657 //                                    debug("accounts",
 658 //                                            String.format("Found a non-child '%s' at position %d",
 659 //                                                    Data.accounts.get(i).getName(), i));
 660                                     break;
 661                                 }
 662                             }
 663                         }
 664
 665                         if (start != -1) {
 666                             for (int j = 0; j < count; j++) {
 667 //                                debug("accounts", String.format("Removing item %d: %s", start + j,
 668 //                                        Data.accounts.get(start).getName()));
 669                                 Data.accounts.removeQuietly(start);
 670                             }
 671
 672                             mAccountSummaryFragment.modelAdapter
 673                                     .notifyItemRangeRemoved(start, count);
 674                         }
 675                     }
 676                 }
 677                 else {
 678                     debug("accounts", String.format("Expanding account '%s'", acc.getName()));
 679                     arrow.setRotation(180);
 680                     animator.rotationBy(-180);
 681                     List<LedgerAccount> children = profile.loadVisibleChildAccountsOf(acc);
 682                     try (LockHolder ignored = Data.accounts.lockForWriting()) {
 683                         int parentPos = Data.accounts.indexOf(acc);
 684                         if (parentPos != -1) {
 685                             // may have disappeared in a concurrent refresh operation
 686                             Data.accounts.addAllQuietly(parentPos + 1, children);
 687                             mAccountSummaryFragment.modelAdapter
 688                                     .notifyItemRangeInserted(parentPos + 1, children.size());
 689                         }
 690                     }
 691                 }
 692                 break;
 693             case R.id.account_row_acc_amounts:
 694                 if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
 695                     acc.toggleAmountsExpanded();
 696                     DbOpQueue
 697                             .add("update accounts set amounts_expanded=? where name=? and profile=?",
 698                                     new Object[]{acc.amountsExpanded(), acc.getName(),
 699                                                  profile.getUuid()
 700                                     });
 701                     Data.accounts.triggerItemChangedNotification(acc);
 702                 }
 703                 break;
 704         }
 705     }
 706
 707     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 708
 709         SectionsPagerAdapter(FragmentManager fm) {
 710             super(fm);
 711         }
 712
 713         @NotNull
 714         @Override
 715         public Fragment getItem(int position) {
 716             debug("main", String.format(Locale.ENGLISH, "Switching to fragment %d", position));
 717             switch (position) {
 718                 case 0:
 719 //                    debug("flow", "Creating account summary fragment");
 720                     return mAccountSummaryFragment = new AccountSummaryFragment();
 721                 case 1:
 722                     return new TransactionListFragment();
 723                 default:
 724                     throw new IllegalStateException(
 725                             String.format("Unexpected fragment index: " + "%d", position));
 726             }
 727         }
 728
 729         @Override
 730         public int getCount() {
 731             return 2;
 732         }
 733     }
 734 }