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