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