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