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