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.pm.ShortcutInfo;
  23 import android.content.pm.ShortcutManager;
  24 import android.content.res.ColorStateList;
  25 import android.graphics.Color;
  26 import android.graphics.drawable.Icon;
  27 import android.os.AsyncTask;
  28 import android.os.Build;
  29 import android.os.Bundle;
  30 import android.util.Log;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.view.ViewPropertyAnimator;
  34 import android.view.animation.Animation;
  35 import android.view.animation.AnimationUtils;
  36 import android.widget.LinearLayout;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  42
  43 import net.ktnx.mobileledger.R;
  44 import net.ktnx.mobileledger.async.DbOpQueue;
  45 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  46 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  47 import net.ktnx.mobileledger.model.Data;
  48 import net.ktnx.mobileledger.model.LedgerAccount;
  49 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  50 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryAdapter;
  51 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  52 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryViewModel;
  53 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  54 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  55 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  56 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  57 import net.ktnx.mobileledger.utils.Colors;
  58 import net.ktnx.mobileledger.utils.LockHolder;
  59 import net.ktnx.mobileledger.utils.MLDB;
  60
  61 import org.jetbrains.annotations.NotNull;
  62
  63 import java.lang.ref.WeakReference;
  64 import java.text.DateFormat;
  65 import java.util.ArrayList;
  66 import java.util.Date;
  67 import java.util.List;
  68 import java.util.Observer;
  69
  70 import androidx.appcompat.app.ActionBarDrawerToggle;
  71 import androidx.appcompat.widget.Toolbar;
  72 import androidx.core.view.GravityCompat;
  73 import androidx.drawerlayout.widget.DrawerLayout;
  74 import androidx.fragment.app.Fragment;
  75 import androidx.fragment.app.FragmentManager;
  76 import androidx.fragment.app.FragmentPagerAdapter;
  77 import androidx.recyclerview.widget.LinearLayoutManager;
  78 import androidx.recyclerview.widget.RecyclerView;
  79 import androidx.viewpager.widget.ViewPager;
  80
  81 public class MainActivity extends ProfileThemedActivity {
  82     public static final String STATE_CURRENT_PAGE = "current_page";
  83     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  84     public static final String STATE_ACC_FILTER = "account_filter";
  85     public AccountSummaryFragment mAccountSummaryFragment;
  86     DrawerLayout drawer;
  87     private LinearLayout profileListContainer;
  88     private View profileListHeadArrow, profileListHeadMore, profileListHeadCancel;
  89     private LinearLayout profileListHeadMoreAndCancel;
  90     private FragmentManager fragmentManager;
  91     private TextView tvLastUpdate;
  92     private RetrieveTransactionsTask retrieveTransactionsTask;
  93     private View bTransactionListCancelDownload;
  94     private ProgressBar progressBar;
  95     private LinearLayout progressLayout;
  96     private SectionsPagerAdapter mSectionsPagerAdapter;
  97     private ViewPager mViewPager;
  98     private FloatingActionButton fab;
  99     private boolean profileModificationEnabled = false;
 100     private boolean profileListExpanded = false;
 101     private ProfilesRecyclerViewAdapter mProfileListAdapter;
 102     private int mCurrentPage;
 103     private String mAccountFilter;
 104     private boolean mBackMeansToAccountList = false;
 105     private Observer profileObserver;
 106     private Observer profilesObserver;
 107     private Toolbar mToolbar;
 108     private DrawerLayout.SimpleDrawerListener drawerListener;
 109     private ActionBarDrawerToggle barDrawerToggle;
 110     private ViewPager.SimpleOnPageChangeListener pageChangeListener;
 111     private Observer editingProfilesObserver;
 112     @Override
 113     protected void onStart() {
 114         super.onStart();
 115
 116         Log.d("flow", "MainActivity.onStart()");
 117         mViewPager.setCurrentItem(mCurrentPage, false);
 118         if (mAccountFilter != null) showTransactionsFragment(mAccountFilter);
 119         else Data.accountFilter.setValue(null);
 120
 121     }
 122     @Override
 123     protected void onSaveInstanceState(Bundle outState) {
 124         super.onSaveInstanceState(outState);
 125         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 126         if (mAccountFilter != null)
 127             outState.putString(STATE_ACC_FILTER, mAccountFilter);
 128     }
 129     @Override
 130     protected void onDestroy() {
 131         mSectionsPagerAdapter = null;
 132         Data.profile.deleteObserver(profileObserver);
 133         profileObserver = null;
 134         Data.profiles.deleteObserver(profilesObserver);
 135         profilesObserver = null;
 136         RecyclerView root = findViewById(R.id.nav_profile_list);
 137         if (root != null) root.setAdapter(null);
 138         if (drawer != null) drawer.removeDrawerListener(drawerListener);
 139         drawerListener = null;
 140         if (drawer != null) drawer.removeDrawerListener(barDrawerToggle);
 141         barDrawerToggle = null;
 142         if (mViewPager != null) mViewPager.removeOnPageChangeListener(pageChangeListener);
 143         pageChangeListener = null;
 144         if (mProfileListAdapter != null)
 145             mProfileListAdapter.deleteEditingProfilesObserver(editingProfilesObserver);
 146         editingProfilesObserver = null;
 147         super.onDestroy();
 148     }
 149     @Override
 150     protected void onCreate(Bundle savedInstanceState) {
 151         super.onCreate(savedInstanceState);
 152         Log.d("flow", "MainActivity.onCreate()");
 153         int profileColor = Data.retrieveCurrentThemeIdFromDb();
 154         Colors.setupTheme(this, profileColor);
 155         Colors.profileThemeId = profileColor;
 156         setContentView(R.layout.activity_main);
 157
 158         fab = findViewById(R.id.btn_add_transaction);
 159         profileListContainer = findViewById(R.id.nav_profile_list_container);
 160         profileListHeadArrow = findViewById(R.id.nav_profiles_arrow);
 161         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 162         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 163         profileListHeadMoreAndCancel = findViewById(R.id.nav_profile_list_head_buttons);
 164         drawer = findViewById(R.id.drawer_layout);
 165         tvLastUpdate = findViewById(R.id.transactions_last_update);
 166         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 167         progressBar = findViewById(R.id.transaction_list_progress_bar);
 168         progressLayout = findViewById(R.id.transaction_progress_layout);
 169         fragmentManager = getSupportFragmentManager();
 170         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 171         mViewPager = findViewById(R.id.root_frame);
 172
 173         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 174         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 175
 176
 177         mToolbar = findViewById(R.id.toolbar);
 178         setSupportActionBar(mToolbar);
 179
 180         if (profileObserver == null) {
 181             profileObserver = (o, arg) -> onProfileChanged(arg);
 182             Data.profile.addObserver(profileObserver);
 183         }
 184
 185         if (profilesObserver == null) {
 186             profilesObserver = (o, arg) -> onProfileListChanged(arg);
 187             Data.profiles.addObserver(profilesObserver);
 188         }
 189
 190         if (barDrawerToggle == null) {
 191             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
 192                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 193             drawer.addDrawerListener(barDrawerToggle);
 194         }
 195         barDrawerToggle.syncState();
 196
 197         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 198
 199         try {
 200             PackageInfo pi =
 201                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 202             ver.setText(pi.versionName);
 203         }
 204         catch (Exception e) {
 205             e.printStackTrace();
 206         }
 207
 208         if (progressBar == null)
 209             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 210         if (progressLayout == null) throw new RuntimeException(
 211                 "Can't get hold on the transaction value progress bar layout");
 212
 213         markDrawerItemCurrent(R.id.nav_account_summary);
 214
 215         mViewPager.setAdapter(mSectionsPagerAdapter);
 216
 217         if (pageChangeListener == null) {
 218             pageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 219                 @Override
 220                 public void onPageSelected(int position) {
 221                     switch (position) {
 222                         case 0:
 223                             markDrawerItemCurrent(R.id.nav_account_summary);
 224                             break;
 225                         case 1:
 226                             markDrawerItemCurrent(R.id.nav_latest_transactions);
 227                             break;
 228                         default:
 229                             Log.e("MainActivity",
 230                                     String.format("Unexpected page index %d", position));
 231                     }
 232
 233                     super.onPageSelected(position);
 234                 }
 235             };
 236             mViewPager.addOnPageChangeListener(pageChangeListener);
 237         }
 238
 239         mCurrentPage = 0;
 240         if (savedInstanceState != null) {
 241             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 242             if (currentPage != -1) {
 243                 mCurrentPage = currentPage;
 244             }
 245             mAccountFilter = savedInstanceState.getString(STATE_ACC_FILTER, null);
 246         }
 247         else mAccountFilter = null;
 248
 249         Data.lastUpdateDate.observe(this, this::updateLastUpdateDisplay);
 250
 251         findViewById(R.id.btn_no_profiles_add)
 252                 .setOnClickListener(v -> startEditProfileActivity(null));
 253
 254         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 255
 256         findViewById(R.id.nav_new_profile_button)
 257                 .setOnClickListener(v -> startEditProfileActivity(null));
 258
 259         RecyclerView root = findViewById(R.id.nav_profile_list);
 260         if (root == null)
 261             throw new RuntimeException("Can't get hold on the transaction value view");
 262
 263         if (mProfileListAdapter == null) mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 264         root.setAdapter(mProfileListAdapter);
 265
 266         if (editingProfilesObserver == null) {
 267             editingProfilesObserver = (o, arg) -> {
 268                 if (mProfileListAdapter.isEditingProfiles()) {
 269                     profileListHeadArrow.clearAnimation();
 270                     profileListHeadArrow.setVisibility(View.GONE);
 271                     profileListHeadMore.setVisibility(View.GONE);
 272                     profileListHeadCancel.setVisibility(View.VISIBLE);
 273                 }
 274                 else {
 275                     profileListHeadArrow.setRotation(180f);
 276                     profileListHeadArrow.setVisibility(View.VISIBLE);
 277                     profileListHeadCancel.setVisibility(View.GONE);
 278                     profileListHeadMore.setVisibility(View.GONE);
 279                     profileListHeadMore
 280                             .setVisibility(profileListExpanded ? View.VISIBLE : View.GONE);
 281                 }
 282             };
 283             mProfileListAdapter.addEditingProfilesObserver(editingProfilesObserver);
 284         }
 285
 286         LinearLayoutManager llm = new LinearLayoutManager(this);
 287
 288         llm.setOrientation(RecyclerView.VERTICAL);
 289         root.setLayoutManager(llm);
 290
 291         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 292         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 293         profileListHeadMoreAndCancel
 294                 .setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 295
 296         if (drawerListener == null) {
 297             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 298                 @Override
 299                 public void onDrawerClosed(View drawerView) {
 300                     super.onDrawerClosed(drawerView);
 301                     collapseProfileList();
 302                 }
 303             };
 304             drawer.addDrawerListener(drawerListener);
 305         }
 306
 307         findViewById(R.id.nav_profile_list_head_layout)
 308                 .setOnClickListener(this::navProfilesHeadClicked);
 309         findViewById(R.id.nav_profiles_label).setOnClickListener(this::navProfilesHeadClicked);
 310         setupProfile();
 311         onProfileChanged(null);
 312
 313         updateLastUpdateTextFromDB();
 314     }
 315     private void scheduleDataRetrievalIfStale(Date lastUpdate) {
 316         long now = new Date().getTime();
 317         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
 318             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
 319             else Log.d("db",
 320                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 321                             lastUpdate.getTime() / 1000f, now / 1000f));
 322
 323             scheduleTransactionListRetrieval();
 324         }
 325     }
 326     private void createShortcuts() {
 327         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return;
 328
 329         List<ShortcutInfo> shortcuts = new ArrayList<>();
 330         try (LockHolder lh = Data.profiles.lockForReading()) {
 331             for (int i = 0; i < Data.profiles.size(); i++) {
 332                 MobileLedgerProfile p = Data.profiles.get(i);
 333                 if (!p.isPostingPermitted()) continue;
 334
 335                 ShortcutInfo si = new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid())
 336                         .setShortLabel(p.getName())
 337                         .setIcon(Icon.createWithResource(this, R.drawable.svg_thick_plus_white))
 338                         .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
 339                                 NewTransactionActivity.class).putExtra("profile_uuid", p.getUuid()))
 340                         .setRank(i).build();
 341                 shortcuts.add(si);
 342             }
 343         }
 344         ShortcutManager sm = getSystemService(ShortcutManager.class);
 345         sm.setDynamicShortcuts(shortcuts);
 346     }
 347     private void onProfileListChanged(Object arg) {
 348         findViewById(R.id.nav_profile_list).setMinimumHeight(
 349                 (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 350                        Data.profiles.size()));
 351
 352         Log.d("profiles", "profile list changed");
 353         if (arg == null) mProfileListAdapter.notifyDataSetChanged();
 354         else mProfileListAdapter.notifyItemChanged((int) arg);
 355
 356         createShortcuts();
 357     }
 358     private void onProfileChanged(Object arg) {
 359         MobileLedgerProfile profile = Data.profile.get();
 360         MainActivity.this.runOnUiThread(() -> {
 361
 362             boolean haveProfile = profile != null;
 363             findViewById(R.id.no_profiles_layout)
 364                     .setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 365             findViewById(R.id.pager_layout)
 366                     .setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 367
 368             Data.transactions.clear();
 369             Log.d("transactions", "requesting list reload");
 370             TransactionListViewModel.scheduleTransactionListReload();
 371
 372             Data.accounts.clear();
 373             AccountSummaryViewModel.scheduleAccountListReload();
 374
 375             if (profile == null) MainActivity.this.setTitle(R.string.app_name);
 376             else MainActivity.this.setTitle(profile.getName());
 377             MainActivity.this.updateLastUpdateTextFromDB();
 378             int old_index = -1;
 379             int new_index = -1;
 380             if (arg != null) {
 381                 MobileLedgerProfile old = (MobileLedgerProfile) arg;
 382                 old_index = Data.getProfileIndex(old);
 383                 new_index = Data.getProfileIndex(profile);
 384             }
 385
 386             if ((old_index != -1) && (new_index != -1)) {
 387                 mProfileListAdapter.notifyItemChanged(old_index);
 388                 mProfileListAdapter.notifyItemChanged(new_index);
 389             }
 390             else mProfileListAdapter.notifyDataSetChanged();
 391
 392             MainActivity.this.collapseProfileList();
 393
 394             int newProfileTheme = (profile == null) ? -1 : profile.getThemeId();
 395             if (newProfileTheme != Colors.profileThemeId) {
 396                 Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 397                         newProfileTheme));
 398                 MainActivity.this.profileThemeChanged();
 399                 Colors.profileThemeId = newProfileTheme;
 400                 // profileThemeChanged would restart the activity, so no need to reload the
 401                 // data sets below
 402                 return;
 403             }
 404             drawer.closeDrawers();
 405
 406             if (profile == null) {
 407                 mToolbar.setSubtitle(null);
 408                 fab.hide();
 409             }
 410             else {
 411                 if (profile.isPostingPermitted()) {
 412                     mToolbar.setSubtitle(null);
 413                     fab.show();
 414                 }
 415                 else {
 416                     mToolbar.setSubtitle(R.string.profile_subitlte_read_only);
 417                     fab.hide();
 418                 }
 419             }
 420
 421             updateLastUpdateTextFromDB();
 422         });
 423     }
 424     private void updateLastUpdateDisplay(Date newValue) {
 425         LinearLayout l = findViewById(R.id.transactions_last_update_layout);
 426         TextView v = findViewById(R.id.transactions_last_update);
 427         if (newValue == null) {
 428             l.setVisibility(View.INVISIBLE);
 429             Log.d("main", "no last update date :(");
 430         }
 431         else {
 432             final String text = DateFormat.getDateTimeInstance().format(newValue);
 433             v.setText(text);
 434             l.setVisibility(View.VISIBLE);
 435             Log.d("main", String.format("Date formatted: %s", text));
 436         }
 437
 438         scheduleDataRetrievalIfStale(newValue);
 439     }
 440     @Override
 441     public void finish() {
 442         if (profilesObserver != null) {
 443             Data.profiles.deleteObserver(profilesObserver);
 444             profilesObserver = null;
 445         }
 446
 447         if (profileObserver != null) {
 448             Data.profile.deleteObserver(profileObserver);
 449             profileObserver = null;
 450         }
 451
 452         super.finish();
 453     }
 454     private void profileThemeChanged() {
 455         setupProfileColors();
 456
 457         Bundle bundle = new Bundle();
 458         onSaveInstanceState(bundle);
 459         // restart activity to reflect theme change
 460         finish();
 461         Intent intent = new Intent(this, this.getClass());
 462         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 463         startActivity(intent);
 464     }
 465     public void startEditProfileActivity(MobileLedgerProfile profile) {
 466         Intent intent = new Intent(this, ProfileDetailActivity.class);
 467         Bundle args = new Bundle();
 468         if (profile != null) {
 469             int index = Data.getProfileIndex(profile);
 470             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 471         }
 472         intent.putExtras(args);
 473         startActivity(intent, args);
 474     }
 475     private void setupProfile() {
 476         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 477         MobileLedgerProfile profile;
 478
 479         profile = Data.getProfile(profileUUID);
 480
 481         if (Data.profiles.isEmpty()) {
 482             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 483             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 484             return;
 485         }
 486
 487         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 488         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 489
 490         if (profile == null) profile = Data.profiles.get(0);
 491
 492         if (profile == null) throw new AssertionError("profile must have a value");
 493
 494         Data.setCurrentProfile(profile);
 495     }
 496     public void fabNewTransactionClicked(View view) {
 497         Intent intent = new Intent(this, NewTransactionActivity.class);
 498         startActivity(intent);
 499         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 500     }
 501     public void navSettingsClicked(View view) {
 502         Intent intent = new Intent(this, SettingsActivity.class);
 503         startActivity(intent);
 504         drawer.closeDrawers();
 505     }
 506     public void markDrawerItemCurrent(int id) {
 507         TextView item = drawer.findViewById(id);
 508         item.setBackgroundColor(Colors.tableRowDarkBG);
 509
 510         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 511         for (int i = 0; i < actions.getChildCount(); i++) {
 512             View view = actions.getChildAt(i);
 513             if (view.getId() != id) {
 514                 view.setBackgroundColor(Color.TRANSPARENT);
 515             }
 516         }
 517     }
 518     public void onAccountSummaryClicked(View view) {
 519         drawer.closeDrawers();
 520
 521         showAccountSummaryFragment();
 522     }
 523     private void showAccountSummaryFragment() {
 524         mViewPager.setCurrentItem(0, true);
 525         Data.accountFilter.setValue(null);
 526 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 527 //        accountSummaryFragment = new AccountSummaryFragment();
 528 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 529 //        ft.commit();
 530 //        currentFragment = accountSummaryFragment;
 531     }
 532     public void onLatestTransactionsClicked(View view) {
 533         drawer.closeDrawers();
 534
 535         showTransactionsFragment((String) null);
 536     }
 537     private void resetFragmentBackStack() {
 538 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 539     }
 540     private void showTransactionsFragment(String accName) {
 541         Data.accountFilter.setValue(accName);
 542         mViewPager.setCurrentItem(1, true);
 543     }
 544     private void showTransactionsFragment(LedgerAccount account) {
 545         showTransactionsFragment((account == null) ? (String) null : account.getName());
 546 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 547 //        if (transactionListFragment == null) {
 548 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 549 //            transactionListFragment = new TransactionListFragment();
 550 //        }
 551 //        Bundle bundle = new Bundle();
 552 //        if (account != null) {
 553 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 554 //                    account.getName());
 555 //        }
 556 //        transactionListFragment.setArguments(bundle);
 557 //        ft.replace(R.id.root_frame, transactionListFragment);
 558 //        if (account != null)
 559 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 560 //        ft.commit();
 561 //
 562 //        currentFragment = transactionListFragment;
 563     }
 564     public void showAccountTransactions(LedgerAccount account) {
 565         mBackMeansToAccountList = true;
 566         showTransactionsFragment(account);
 567     }
 568     @Override
 569     public void onBackPressed() {
 570         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 571         if (drawer.isDrawerOpen(GravityCompat.START)) {
 572             drawer.closeDrawer(GravityCompat.START);
 573         }
 574         else {
 575             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
 576                 Data.accountFilter.setValue(null);
 577                 showAccountSummaryFragment();
 578                 mBackMeansToAccountList = false;
 579             }
 580             else {
 581                 Log.d("fragments", String.format("manager stack: %d",
 582                         fragmentManager.getBackStackEntryCount()));
 583
 584                 super.onBackPressed();
 585             }
 586         }
 587     }
 588     public void updateLastUpdateTextFromDB() {
 589         final MobileLedgerProfile profile = Data.profile.get();
 590         long last_update = (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 591
 592         Log.d("transactions", String.format("Last update = %d", last_update));
 593         if (last_update == 0) {
 594             Data.lastUpdateDate.postValue(null);
 595         }
 596         else {
 597             Data.lastUpdateDate.postValue(new Date(last_update));
 598         }
 599     }
 600     public void scheduleTransactionListRetrieval() {
 601         if (Data.profile.get() == null) return;
 602
 603         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 604
 605         retrieveTransactionsTask.execute();
 606     }
 607     public void onStopTransactionRefreshClick(View view) {
 608         Log.d("interactive", "Cancelling transactions refresh");
 609         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 610         bTransactionListCancelDownload.setEnabled(false);
 611     }
 612     public void onRetrieveDone(String error) {
 613         progressLayout.setVisibility(View.GONE);
 614
 615         if (error == null) {
 616             updateLastUpdateTextFromDB();
 617
 618             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 619             TransactionListViewModel.scheduleTransactionListReload();
 620         }
 621         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 622     }
 623     public void onRetrieveStart() {
 624         bTransactionListCancelDownload.setEnabled(true);
 625         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 626         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 627         progressBar.setIndeterminate(true);
 628         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 629         else progressBar.setProgress(0);
 630         progressLayout.setVisibility(View.VISIBLE);
 631     }
 632     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 633         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 634             (progress.getTotal() == 0))
 635         {
 636             progressBar.setIndeterminate(true);
 637         }
 638         else {
 639             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 640                 progressBar.setMin(0);
 641             }
 642             progressBar.setMax(progress.getTotal());
 643             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 644                 progressBar.setProgress(progress.getProgress(), true);
 645             }
 646             else progressBar.setProgress(progress.getProgress());
 647             progressBar.setIndeterminate(false);
 648         }
 649     }
 650     public void fabShouldShow() {
 651         MobileLedgerProfile profile = Data.profile.get();
 652         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 653     }
 654     public void navProfilesHeadClicked(View view) {
 655         if (profileListExpanded) {
 656             collapseProfileList();
 657         }
 658         else {
 659             expandProfileList();
 660         }
 661     }
 662     private void expandProfileList() {
 663         profileListExpanded = true;
 664
 665
 666         profileListContainer.setVisibility(View.VISIBLE);
 667         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 668         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 669         profileListHeadMore.setVisibility(View.VISIBLE);
 670         profileListHeadMore.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in));
 671         findViewById(R.id.nav_profile_list).setMinimumHeight(
 672                 (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 673                        Data.profiles.size()));
 674     }
 675     private void collapseProfileList() {
 676         profileListExpanded = false;
 677
 678         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 679         animation.setAnimationListener(new Animation.AnimationListener() {
 680             @Override
 681             public void onAnimationStart(Animation animation) {
 682
 683             }
 684             @Override
 685             public void onAnimationEnd(Animation animation) {
 686                 profileListContainer.setVisibility(View.GONE);
 687             }
 688             @Override
 689             public void onAnimationRepeat(Animation animation) {
 690
 691             }
 692         });
 693         mProfileListAdapter.stopEditingProfiles();
 694
 695         profileListContainer.startAnimation(animation);
 696         profileListHeadArrow.setRotation(0f);
 697         profileListHeadArrow
 698                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 699         profileListHeadMore.setVisibility(View.GONE);
 700     }
 701     public void onAccountSummaryRowViewClicked(View view) {
 702         ViewGroup row;
 703         if (view.getId() == R.id.account_expander) row = (ViewGroup) view.getParent().getParent();
 704         else row = (ViewGroup) view.getParent();
 705
 706         LedgerAccount acc = (LedgerAccount) row.getTag();
 707         switch (view.getId()) {
 708             case R.id.account_row_acc_name:
 709             case R.id.account_expander:
 710             case R.id.account_expander_container:
 711                 Log.d("accounts", "Account expander clicked");
 712                 if (!acc.hasSubAccounts()) return;
 713
 714                 boolean wasExpanded = acc.isExpanded();
 715
 716                 View arrow = row.findViewById(R.id.account_expander_container);
 717
 718                 arrow.clearAnimation();
 719                 ViewPropertyAnimator animator = arrow.animate();
 720
 721                 acc.toggleExpanded();
 722                 DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
 723                         new Object[]{acc.isExpanded(), acc.getName(), Data.profile.get().getUuid()
 724                         });
 725
 726                 if (wasExpanded) {
 727                     Log.d("accounts", String.format("Collapsing account '%s'", acc.getName()));
 728                     arrow.setRotation(0);
 729                     animator.rotationBy(180);
 730
 731                     // removing all child accounts from the view
 732                     int start = -1, count = 0;
 733                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 734                         for (int i = 0; i < Data.accounts.size(); i++) {
 735                             if (acc.isParentOf(Data.accounts.get(i))) {
 736 //                                Log.d("accounts", String.format("Found a child '%s' at position %d",
 737 //                                        Data.accounts.get(i).getName(), i));
 738                                 if (start == -1) {
 739                                     start = i;
 740                                 }
 741                                 count++;
 742                             }
 743                             else {
 744                                 if (start != -1) {
 745 //                                    Log.d("accounts",
 746 //                                            String.format("Found a non-child '%s' at position %d",
 747 //                                                    Data.accounts.get(i).getName(), i));
 748                                     break;
 749                                 }
 750                             }
 751                         }
 752
 753                         if (start != -1) {
 754                             for (int j = 0; j < count; j++) {
 755 //                                Log.d("accounts", String.format("Removing item %d: %s", start + j,
 756 //                                        Data.accounts.get(start).getName()));
 757                                 Data.accounts.removeQuietly(start);
 758                             }
 759
 760                             mAccountSummaryFragment.modelAdapter
 761                                     .notifyItemRangeRemoved(start, count);
 762                         }
 763                     }
 764                 }
 765                 else {
 766                     Log.d("accounts", String.format("Expanding account '%s'", acc.getName()));
 767                     arrow.setRotation(180);
 768                     animator.rotationBy(-180);
 769                     List<LedgerAccount> children =
 770                             Data.profile.get().loadVisibleChildAccountsOf(acc);
 771                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 772                         int parentPos = Data.accounts.indexOf(acc);
 773                         if (parentPos != -1) {
 774                             // may have disappeared in a concurrent refresh operation
 775                             Data.accounts.addAllQuietly(parentPos + 1, children);
 776                             mAccountSummaryFragment.modelAdapter
 777                                     .notifyItemRangeInserted(parentPos + 1, children.size());
 778                         }
 779                     }
 780                 }
 781                 break;
 782             case R.id.account_row_acc_amounts:
 783                 if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
 784                     acc.toggleAmountsExpanded();
 785                     DbOpQueue
 786                             .add("update accounts set amounts_expanded=? where name=? and profile=?",
 787                                     new Object[]{acc.amountsExpanded(), acc.getName(),
 788                                                  Data.profile.get().getUuid()
 789                                     });
 790                     Data.accounts.triggerItemChangedNotification(acc);
 791                 }
 792                 break;
 793         }
 794     }
 795
 796     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 797
 798         public SectionsPagerAdapter(FragmentManager fm) {
 799             super(fm);
 800         }
 801
 802         @NotNull
 803         @Override
 804         public Fragment getItem(int position) {
 805             Log.d("main", String.format("Switching to fragment %d", position));
 806             switch (position) {
 807                 case 0:
 808 //                    Log.d("flow", "Creating account summary fragment");
 809                     return mAccountSummaryFragment = new AccountSummaryFragment();
 810                 case 1:
 811                     return new TransactionListFragment();
 812                 default:
 813                     throw new IllegalStateException(
 814                             String.format("Unexpected fragment index: " + "%d", position));
 815             }
 816         }
 817
 818         @Override
 819         public int getCount() {
 820             return 2;
 821         }
 822     }
 823 }