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