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.AsyncTask;
  25 import android.os.Build;
  26 import android.os.Bundle;
  27 import android.util.Log;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.view.ViewPropertyAnimator;
  31 import android.view.animation.Animation;
  32 import android.view.animation.AnimationUtils;
  33 import android.widget.LinearLayout;
  34 import android.widget.ProgressBar;
  35 import android.widget.TextView;
  36 import android.widget.Toast;
  37
  38 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  39
  40 import net.ktnx.mobileledger.R;
  41 import net.ktnx.mobileledger.async.DbOpQueue;
  42 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  43 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  44 import net.ktnx.mobileledger.model.Data;
  45 import net.ktnx.mobileledger.model.LedgerAccount;
  46 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  47 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryAdapter;
  48 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  49 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryViewModel;
  50 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  51 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  52 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  53 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  54 import net.ktnx.mobileledger.utils.Colors;
  55 import net.ktnx.mobileledger.utils.LockHolder;
  56 import net.ktnx.mobileledger.utils.MLDB;
  57
  58 import java.lang.ref.WeakReference;
  59 import java.text.DateFormat;
  60 import java.util.Date;
  61 import java.util.List;
  62 import java.util.Observer;
  63
  64 import androidx.appcompat.app.ActionBarDrawerToggle;
  65 import androidx.appcompat.widget.Toolbar;
  66 import androidx.core.view.GravityCompat;
  67 import androidx.drawerlayout.widget.DrawerLayout;
  68 import androidx.fragment.app.Fragment;
  69 import androidx.fragment.app.FragmentManager;
  70 import androidx.fragment.app.FragmentPagerAdapter;
  71 import androidx.recyclerview.widget.LinearLayoutManager;
  72 import androidx.recyclerview.widget.RecyclerView;
  73 import androidx.viewpager.widget.ViewPager;
  74
  75 public class MainActivity extends ProfileThemedActivity {
  76     public static final String STATE_CURRENT_PAGE = "current_page";
  77     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  78     public static final String STATE_ACC_FILTER = "account_filter";
  79     public AccountSummaryFragment mAccountSummaryFragment;
  80     DrawerLayout drawer;
  81     private LinearLayout profileListContainer;
  82     private View profileListHeadArrow, profileListHeadMore, profileListHeadCancel;
  83     private LinearLayout profileListHeadMoreAndCancel;
  84     private FragmentManager fragmentManager;
  85     private TextView tvLastUpdate;
  86     private RetrieveTransactionsTask retrieveTransactionsTask;
  87     private View bTransactionListCancelDownload;
  88     private ProgressBar progressBar;
  89     private LinearLayout progressLayout;
  90     private SectionsPagerAdapter mSectionsPagerAdapter;
  91     private ViewPager mViewPager;
  92     private FloatingActionButton fab;
  93     private boolean profileModificationEnabled = false;
  94     private boolean profileListExpanded = false;
  95     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  96     private int mCurrentPage;
  97     private String mAccountFilter;
  98     private boolean mBackMeansToAccountList = false;
  99     private Observer profileObserver;
 100     private Observer profilesObserver;
 101     private Observer lastUpdateDateObserver;
 102     @Override
 103     protected void onStart() {
 104         super.onStart();
 105
 106         Log.d("flow", "MainActivity.onStart()");
 107         mViewPager.setCurrentItem(mCurrentPage, false);
 108         if (mAccountFilter != null) showTransactionsFragment(mAccountFilter);
 109
 110     }
 111     @Override
 112     protected void onSaveInstanceState(Bundle outState) {
 113         super.onSaveInstanceState(outState);
 114         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 115         if (TransactionListFragment.accountFilter.get() != null)
 116             outState.putString(STATE_ACC_FILTER, TransactionListFragment.accountFilter.get());
 117     }
 118     @Override
 119     protected void onDestroy() {
 120         mSectionsPagerAdapter = null;
 121         Data.profile.deleteObserver(profileObserver);
 122         profileObserver = null;
 123         Data.profiles.deleteObserver(profilesObserver);
 124         profilesObserver = null;
 125         Data.lastUpdateDate.deleteObserver(lastUpdateDateObserver);
 126         RecyclerView root = findViewById(R.id.nav_profile_list);
 127         if (root != null) root.setAdapter(null);
 128         super.onDestroy();
 129     }
 130     @Override
 131     protected void onCreate(Bundle savedInstanceState) {
 132         super.onCreate(savedInstanceState);
 133         Log.d("flow", "MainActivity.onCreate()");
 134         int profileColor = Data.retrieveCurrentThemeIdFromDb();
 135         Colors.setupTheme(this, profileColor);
 136         Colors.profileThemeId = profileColor;
 137         setContentView(R.layout.activity_main);
 138
 139         fab = findViewById(R.id.btn_add_transaction);
 140         profileListContainer = findViewById(R.id.nav_profile_list_container);
 141         profileListHeadArrow = findViewById(R.id.nav_profiles_arrow);
 142         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 143         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 144         profileListHeadMoreAndCancel = findViewById(R.id.nav_profile_list_head_buttons);
 145         drawer = findViewById(R.id.drawer_layout);
 146         tvLastUpdate = findViewById(R.id.transactions_last_update);
 147         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 148         progressBar = findViewById(R.id.transaction_list_progress_bar);
 149         progressLayout = findViewById(R.id.transaction_progress_layout);
 150         fragmentManager = getSupportFragmentManager();
 151         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 152         mViewPager = findViewById(R.id.root_frame);
 153
 154         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 155         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 156
 157
 158         Toolbar toolbar = findViewById(R.id.toolbar);
 159         setSupportActionBar(toolbar);
 160
 161         profileObserver = (o, arg) -> {
 162             MobileLedgerProfile profile = Data.profile.get();
 163             MainActivity.this.runOnUiThread(() -> {
 164                 if (profile == null) MainActivity.this.setTitle(R.string.app_name);
 165                 else MainActivity.this.setTitle(profile.getName());
 166                 MainActivity.this.updateLastUpdateTextFromDB();
 167                 if (profile.isPostingPermitted()) {
 168                     toolbar.setSubtitle(null);
 169                     fab.show();
 170                 }
 171                 else {
 172                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 173                     fab.hide();
 174                 }
 175
 176                 int old_index = -1;
 177                 int new_index = -1;
 178                 if (arg != null) {
 179                     MobileLedgerProfile old = (MobileLedgerProfile) arg;
 180                     old_index = Data.getProfileIndex(old);
 181                     new_index = Data.getProfileIndex(profile);
 182                 }
 183
 184                 if ((old_index != -1) && (new_index != -1)) {
 185                     mProfileListAdapter.notifyItemChanged(old_index);
 186                     mProfileListAdapter.notifyItemChanged(new_index);
 187                 }
 188                 else mProfileListAdapter.notifyDataSetChanged();
 189
 190                 MainActivity.this.collapseProfileList();
 191
 192                 int newProfileTheme = profile.getThemeId();
 193                 if (newProfileTheme != Colors.profileThemeId) {
 194                     Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 195                             newProfileTheme));
 196                     MainActivity.this.profileThemeChanged();
 197                     Colors.profileThemeId = newProfileTheme;
 198                 }
 199                 else drawer.closeDrawers();
 200
 201                 Log.d("transactions", "requesting list reload");
 202                 TransactionListViewModel.scheduleTransactionListReload();
 203
 204                 AccountSummaryViewModel.scheduleAccountListReload();
 205
 206             });
 207         };
 208         Data.profile.addObserver(profileObserver);
 209         profilesObserver = (o, arg) -> {
 210             findViewById(R.id.nav_profile_list).setMinimumHeight(
 211                     (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 212                            Data.profiles.size()));
 213
 214             Log.d("profiles", "profile list changed");
 215             if (arg == null) mProfileListAdapter.notifyDataSetChanged();
 216             else mProfileListAdapter.notifyItemChanged((int) arg);
 217         };
 218         Data.profiles.addObserver(profilesObserver);
 219
 220         ActionBarDrawerToggle toggle =
 221                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 222                         R.string.navigation_drawer_close);
 223         drawer.addDrawerListener(toggle);
 224         toggle.syncState();
 225
 226         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 227
 228         try {
 229             PackageInfo pi =
 230                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 231             ver.setText(pi.versionName);
 232         }
 233         catch (Exception e) {
 234             e.printStackTrace();
 235         }
 236
 237         if (progressBar == null)
 238             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 239         if (progressLayout == null) throw new RuntimeException(
 240                 "Can't get hold on the transaction value progress bar layout");
 241
 242         markDrawerItemCurrent(R.id.nav_account_summary);
 243
 244         mViewPager.setAdapter(mSectionsPagerAdapter);
 245         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 246             @Override
 247             public void onPageSelected(int position) {
 248                 switch (position) {
 249                     case 0:
 250                         markDrawerItemCurrent(R.id.nav_account_summary);
 251                         break;
 252                     case 1:
 253                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 254                         break;
 255                     default:
 256                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 257                 }
 258
 259                 super.onPageSelected(position);
 260             }
 261         });
 262
 263         mCurrentPage = 0;
 264         if (savedInstanceState != null) {
 265             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 266             if (currentPage != -1) {
 267                 mCurrentPage = currentPage;
 268             }
 269             mAccountFilter = savedInstanceState.getString(STATE_ACC_FILTER, null);
 270         }
 271
 272         lastUpdateDateObserver = (o, arg) -> {
 273             Log.d("main", "lastUpdateDate changed");
 274             runOnUiThread(this::updateLastUpdateDisplay);
 275         };
 276         Data.lastUpdateDate.addObserver(lastUpdateDateObserver);
 277
 278         updateLastUpdateDisplay();
 279
 280         findViewById(R.id.btn_no_profiles_add)
 281                 .setOnClickListener(v -> startEditProfileActivity(null));
 282
 283         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 284
 285         findViewById(R.id.nav_new_profile_button)
 286                 .setOnClickListener(v -> startEditProfileActivity(null));
 287
 288         RecyclerView root = findViewById(R.id.nav_profile_list);
 289         if (root == null)
 290             throw new RuntimeException("Can't get hold on the transaction value view");
 291
 292         if (mProfileListAdapter == null) mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 293         root.setAdapter(mProfileListAdapter);
 294
 295         mProfileListAdapter.addEditingProfilesObserver((o, arg) -> {
 296             if (mProfileListAdapter.isEditingProfiles()) {
 297                 profileListHeadArrow.clearAnimation();
 298                 profileListHeadArrow.setVisibility(View.GONE);
 299                 profileListHeadMore.setVisibility(View.GONE);
 300                 profileListHeadCancel.setVisibility(View.VISIBLE);
 301             }
 302             else {
 303                 profileListHeadArrow.setRotation(180f);
 304                 profileListHeadArrow.setVisibility(View.VISIBLE);
 305                 profileListHeadCancel.setVisibility(View.GONE);
 306                 profileListHeadMore.setVisibility(View.GONE);
 307                 profileListHeadMore.setVisibility(profileListExpanded ? View.VISIBLE : View.GONE);
 308             }
 309         });
 310
 311         LinearLayoutManager llm = new LinearLayoutManager(this);
 312
 313         llm.setOrientation(RecyclerView.VERTICAL);
 314         root.setLayoutManager(llm);
 315
 316         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 317         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 318         profileListHeadMoreAndCancel
 319                 .setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 320
 321         drawer.addDrawerListener(new DrawerLayout.SimpleDrawerListener() {
 322             @Override
 323             public void onDrawerClosed(View drawerView) {
 324                 super.onDrawerClosed(drawerView);
 325                 collapseProfileList();
 326             }
 327         });
 328
 329         setupProfile();
 330
 331         updateLastUpdateTextFromDB();
 332         Date lastUpdate = Data.lastUpdateDate.get();
 333
 334         long now = new Date().getTime();
 335         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
 336             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
 337             else Log.d("db",
 338                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 339                             lastUpdate.getTime() / 1000f, now / 1000f));
 340
 341             scheduleTransactionListRetrieval();
 342         }
 343     }
 344     private void updateLastUpdateDisplay() {
 345         LinearLayout l = findViewById(R.id.transactions_last_update_layout);
 346         TextView v = findViewById(R.id.transactions_last_update);
 347         Date date = Data.lastUpdateDate.get();
 348         if (date == null) {
 349             l.setVisibility(View.INVISIBLE);
 350             Log.d("main", "no last update date :(");
 351         }
 352         else {
 353             final String text = DateFormat.getDateTimeInstance().format(date);
 354             v.setText(text);
 355             l.setVisibility(View.VISIBLE);
 356             Log.d("main", String.format("Date formatted: %s", text));
 357         }
 358     }
 359     private void profileThemeChanged() {
 360         setupProfileColors();
 361
 362         Bundle bundle = new Bundle();
 363         onSaveInstanceState(bundle);
 364         // restart activity to reflect theme change
 365         finish();
 366         Intent intent = new Intent(this, this.getClass());
 367         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 368         startActivity(intent);
 369     }
 370     public void startEditProfileActivity(MobileLedgerProfile profile) {
 371         Intent intent = new Intent(this, ProfileDetailActivity.class);
 372         Bundle args = new Bundle();
 373         if (profile != null) {
 374             int index = Data.getProfileIndex(profile);
 375             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 376         }
 377         intent.putExtras(args);
 378         startActivity(intent, args);
 379     }
 380     private void setupProfile() {
 381         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 382         MobileLedgerProfile profile;
 383
 384         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 385
 386         if (Data.profiles.isEmpty()) {
 387             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 388             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 389             return;
 390         }
 391
 392         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 393         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 394
 395         if (profile == null) profile = Data.profiles.get(0);
 396
 397         if (profile == null) throw new AssertionError("profile must have a value");
 398
 399         Data.setCurrentProfile(profile);
 400     }
 401     public void fabNewTransactionClicked(View view) {
 402         Intent intent = new Intent(this, NewTransactionActivity.class);
 403         startActivity(intent);
 404         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 405     }
 406     public void navSettingsClicked(View view) {
 407         Intent intent = new Intent(this, SettingsActivity.class);
 408         startActivity(intent);
 409         drawer.closeDrawers();
 410     }
 411     public void markDrawerItemCurrent(int id) {
 412         TextView item = drawer.findViewById(id);
 413         item.setBackgroundColor(Colors.tableRowDarkBG);
 414
 415         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 416         for (int i = 0; i < actions.getChildCount(); i++) {
 417             View view = actions.getChildAt(i);
 418             if (view.getId() != id) {
 419                 view.setBackgroundColor(Color.TRANSPARENT);
 420             }
 421         }
 422     }
 423     public void onAccountSummaryClicked(View view) {
 424         drawer.closeDrawers();
 425
 426         showAccountSummaryFragment();
 427     }
 428     private void showAccountSummaryFragment() {
 429         mViewPager.setCurrentItem(0, true);
 430         TransactionListFragment.accountFilter.set(null);
 431 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 432 //        accountSummaryFragment = new AccountSummaryFragment();
 433 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 434 //        ft.commit();
 435 //        currentFragment = accountSummaryFragment;
 436     }
 437     public void onLatestTransactionsClicked(View view) {
 438         drawer.closeDrawers();
 439
 440         showTransactionsFragment((String) null);
 441     }
 442     private void resetFragmentBackStack() {
 443 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 444     }
 445     private void showTransactionsFragment(String accName) {
 446         TransactionListFragment.accountFilter.set(accName);
 447         TransactionListFragment.accountFilter.notifyObservers();
 448         mViewPager.setCurrentItem(1, true);
 449     }
 450     private void showTransactionsFragment(LedgerAccount account) {
 451         showTransactionsFragment((account == null) ? (String) null : account.getName());
 452 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 453 //        if (transactionListFragment == null) {
 454 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 455 //            transactionListFragment = new TransactionListFragment();
 456 //        }
 457 //        Bundle bundle = new Bundle();
 458 //        if (account != null) {
 459 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 460 //                    account.getName());
 461 //        }
 462 //        transactionListFragment.setArguments(bundle);
 463 //        ft.replace(R.id.root_frame, transactionListFragment);
 464 //        if (account != null)
 465 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 466 //        ft.commit();
 467 //
 468 //        currentFragment = transactionListFragment;
 469     }
 470     public void showAccountTransactions(LedgerAccount account) {
 471         mBackMeansToAccountList = true;
 472         showTransactionsFragment(account);
 473     }
 474     @Override
 475     public void onBackPressed() {
 476         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 477         if (drawer.isDrawerOpen(GravityCompat.START)) {
 478             drawer.closeDrawer(GravityCompat.START);
 479         }
 480         else {
 481             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
 482                 TransactionListFragment.accountFilter.set(null);
 483                 showAccountSummaryFragment();
 484                 mBackMeansToAccountList = false;
 485             }
 486             else {
 487                 Log.d("fragments", String.format("manager stack: %d",
 488                         fragmentManager.getBackStackEntryCount()));
 489
 490                 super.onBackPressed();
 491             }
 492         }
 493     }
 494     public void updateLastUpdateTextFromDB() {
 495         {
 496             final MobileLedgerProfile profile = Data.profile.get();
 497             long last_update =
 498                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 499
 500             Log.d("transactions", String.format("Last update = %d", last_update));
 501             if (last_update == 0) {
 502                 Data.lastUpdateDate.set(null);
 503             }
 504             else {
 505                 Data.lastUpdateDate.set(new Date(last_update));
 506             }
 507         }
 508     }
 509     public void scheduleTransactionListRetrieval() {
 510         if (Data.profile.get() == null) return;
 511
 512         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 513
 514         retrieveTransactionsTask.execute();
 515     }
 516     public void onStopTransactionRefreshClick(View view) {
 517         Log.d("interactive", "Cancelling transactions refresh");
 518         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 519         bTransactionListCancelDownload.setEnabled(false);
 520     }
 521     public void onRetrieveDone(String error) {
 522         progressLayout.setVisibility(View.GONE);
 523
 524         if (error == null) {
 525             updateLastUpdateTextFromDB();
 526
 527             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 528             TransactionListViewModel.scheduleTransactionListReload();
 529         }
 530         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 531     }
 532     public void onRetrieveStart() {
 533         bTransactionListCancelDownload.setEnabled(true);
 534         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 535         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 536         progressBar.setIndeterminate(true);
 537         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 538         else progressBar.setProgress(0);
 539         progressLayout.setVisibility(View.VISIBLE);
 540     }
 541     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 542         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 543             (progress.getTotal() == 0))
 544         {
 545             progressBar.setIndeterminate(true);
 546         }
 547         else {
 548             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 549                 progressBar.setMin(0);
 550             }
 551             progressBar.setMax(progress.getTotal());
 552             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 553                 progressBar.setProgress(progress.getProgress(), true);
 554             }
 555             else progressBar.setProgress(progress.getProgress());
 556             progressBar.setIndeterminate(false);
 557         }
 558     }
 559     public void fabShouldShow() {
 560         MobileLedgerProfile profile = Data.profile.get();
 561         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 562     }
 563     public void navProfilesHeadClicked(View view) {
 564         if (profileListExpanded) {
 565             collapseProfileList();
 566         }
 567         else {
 568             expandProfileList();
 569         }
 570     }
 571     private void expandProfileList() {
 572         profileListExpanded = true;
 573
 574
 575         profileListContainer.setVisibility(View.VISIBLE);
 576         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 577         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 578         profileListHeadMore.setVisibility(View.VISIBLE);
 579         profileListHeadMore.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in));
 580         findViewById(R.id.nav_profile_list).setMinimumHeight(
 581                 (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 582                        Data.profiles.size()));
 583     }
 584     private void collapseProfileList() {
 585         profileListExpanded = false;
 586
 587         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 588         animation.setAnimationListener(new Animation.AnimationListener() {
 589             @Override
 590             public void onAnimationStart(Animation animation) {
 591
 592             }
 593             @Override
 594             public void onAnimationEnd(Animation animation) {
 595                 profileListContainer.setVisibility(View.GONE);
 596             }
 597             @Override
 598             public void onAnimationRepeat(Animation animation) {
 599
 600             }
 601         });
 602         mProfileListAdapter.stopEditingProfiles();
 603
 604         profileListContainer.startAnimation(animation);
 605         profileListHeadArrow.setRotation(0f);
 606         profileListHeadArrow
 607                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 608         profileListHeadMore.setVisibility(View.GONE);
 609     }
 610     public void onProfileRowClicked(View v) {
 611         Data.setCurrentProfile((MobileLedgerProfile) v.getTag());
 612     }
 613     public void enableProfileModifications() {
 614         profileModificationEnabled = true;
 615         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 616         for (int i = 0; i < profileList.getChildCount(); i++) {
 617             View aRow = profileList.getChildAt(i);
 618             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.VISIBLE);
 619             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.VISIBLE);
 620         }
 621         // FIXME enable rearranging
 622
 623     }
 624     public void disableProfileModifications() {
 625         profileModificationEnabled = false;
 626         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 627         for (int i = 0; i < profileList.getChildCount(); i++) {
 628             View aRow = profileList.getChildAt(i);
 629             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.GONE);
 630             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.INVISIBLE);
 631         }
 632         // FIXME disable rearranging
 633
 634     }
 635     public void onAccountSummaryRowViewClicked(View view) {
 636         ViewGroup row = (ViewGroup) view.getParent();
 637         LedgerAccount acc = (LedgerAccount) row.getTag();
 638         switch (view.getId()) {
 639             case R.id.account_row_acc_name:
 640             case R.id.account_expander_container:
 641                 Log.d("accounts", "Account expander clicked");
 642                 if (!acc.hasSubAccounts()) return;
 643
 644                 boolean wasExpanded = acc.isExpanded();
 645
 646                 View arrow = row.findViewById(R.id.account_expander_container);
 647
 648                 arrow.clearAnimation();
 649                 ViewPropertyAnimator animator = arrow.animate();
 650
 651                 acc.toggleExpanded();
 652                 DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
 653                         new Object[]{acc.isExpanded(), acc.getName(), Data.profile.get().getUuid()
 654                         });
 655
 656                 if (wasExpanded) {
 657                     Log.d("accounts", String.format("Collapsing account '%s'", acc.getName()));
 658                     arrow.setRotation(0);
 659                     animator.rotationBy(180);
 660
 661                     // removing all child accounts from the view
 662                     int start = -1, count = 0;
 663                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 664                         for (int i = 0; i < Data.accounts.size(); i++) {
 665                             if (acc.isParentOf(Data.accounts.get(i))) {
 666 //                                Log.d("accounts", String.format("Found a child '%s' at position %d",
 667 //                                        Data.accounts.get(i).getName(), i));
 668                                 if (start == -1) {
 669                                     start = i;
 670                                 }
 671                                 count++;
 672                             }
 673                             else {
 674                                 if (start != -1) {
 675 //                                    Log.d("accounts",
 676 //                                            String.format("Found a non-child '%s' at position %d",
 677 //                                                    Data.accounts.get(i).getName(), i));
 678                                     break;
 679                                 }
 680                             }
 681                         }
 682
 683                         if (start != -1) {
 684                             for (int j = 0; j < count; j++) {
 685 //                                Log.d("accounts", String.format("Removing item %d: %s", start + j,
 686 //                                        Data.accounts.get(start).getName()));
 687                                 Data.accounts.removeQuietly(start);
 688                             }
 689
 690                             mAccountSummaryFragment.modelAdapter
 691                                     .notifyItemRangeRemoved(start, count);
 692                         }
 693                     }
 694                 }
 695                 else {
 696                     Log.d("accounts", String.format("Expanding account '%s'", acc.getName()));
 697                     arrow.setRotation(180);
 698                     animator.rotationBy(-180);
 699                     List<LedgerAccount> children =
 700                             Data.profile.get().loadVisibleChildAccountsOf(acc);
 701                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 702                         int parentPos = Data.accounts.indexOf(acc);
 703                         if (parentPos != -1) {
 704                             // may have disappeared in a concurrent refresh operation
 705                             Data.accounts.addAllQuietly(parentPos + 1, children);
 706                             mAccountSummaryFragment.modelAdapter
 707                                     .notifyItemRangeInserted(parentPos + 1, children.size());
 708                         }
 709                     }
 710                 }
 711                 break;
 712             case R.id.account_row_acc_amounts:
 713                 if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
 714                     acc.toggleAmountsExpanded();
 715                     DbOpQueue
 716                             .add("update accounts set amounts_expanded=? where name=? and profile=?",
 717                                     new Object[]{acc.amountsExpanded(), acc.getName(),
 718                                                  Data.profile.get().getUuid()
 719                                     });
 720                     Data.accounts.triggerItemChangedNotification(acc);
 721                 }
 722                 break;
 723         }
 724     }
 725
 726     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 727
 728         public SectionsPagerAdapter(FragmentManager fm) {
 729             super(fm);
 730         }
 731
 732         @Override
 733         public Fragment getItem(int position) {
 734             Log.d("main", String.format("Switching to fragment %d", position));
 735             switch (position) {
 736                 case 0:
 737 //                    Log.d("flow", "Creating account summary fragment");
 738                     return mAccountSummaryFragment = new AccountSummaryFragment();
 739                 case 1:
 740                     return new TransactionListFragment();
 741                 default:
 742                     throw new IllegalStateException(
 743                             String.format("Unexpected fragment index: " + "%d", position));
 744             }
 745         }
 746
 747         @Override
 748         public int getCount() {
 749             return 2;
 750         }
 751     }
 752 }