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