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 java.lang.ref.WeakReference;
  62 import java.text.DateFormat;
  63 import java.util.ArrayList;
  64 import java.util.Date;
  65 import java.util.List;
  66 import java.util.Observer;
  67
  68 import androidx.appcompat.app.ActionBarDrawerToggle;
  69 import androidx.appcompat.widget.Toolbar;
  70 import androidx.core.view.GravityCompat;
  71 import androidx.drawerlayout.widget.DrawerLayout;
  72 import androidx.fragment.app.Fragment;
  73 import androidx.fragment.app.FragmentManager;
  74 import androidx.fragment.app.FragmentPagerAdapter;
  75 import androidx.recyclerview.widget.LinearLayoutManager;
  76 import androidx.recyclerview.widget.RecyclerView;
  77 import androidx.viewpager.widget.ViewPager;
  78
  79 public class MainActivity extends ProfileThemedActivity {
  80     public static final String STATE_CURRENT_PAGE = "current_page";
  81     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  82     public static final String STATE_ACC_FILTER = "account_filter";
  83     public AccountSummaryFragment mAccountSummaryFragment;
  84     DrawerLayout drawer;
  85     private LinearLayout profileListContainer;
  86     private View profileListHeadArrow, profileListHeadMore, profileListHeadCancel;
  87     private LinearLayout profileListHeadMoreAndCancel;
  88     private FragmentManager fragmentManager;
  89     private TextView tvLastUpdate;
  90     private RetrieveTransactionsTask retrieveTransactionsTask;
  91     private View bTransactionListCancelDownload;
  92     private ProgressBar progressBar;
  93     private LinearLayout progressLayout;
  94     private SectionsPagerAdapter mSectionsPagerAdapter;
  95     private ViewPager mViewPager;
  96     private FloatingActionButton fab;
  97     private boolean profileModificationEnabled = false;
  98     private boolean profileListExpanded = false;
  99     private ProfilesRecyclerViewAdapter mProfileListAdapter;
 100     private int mCurrentPage;
 101     private String mAccountFilter;
 102     private boolean mBackMeansToAccountList = false;
 103     private Observer profileObserver;
 104     private Observer profilesObserver;
 105     private Toolbar mToolbar;
 106     private DrawerLayout.SimpleDrawerListener drawerListener;
 107     private ActionBarDrawerToggle barDrawerToggle;
 108     private ViewPager.SimpleOnPageChangeListener pageChangeListener;
 109     private Observer editingProfilesObserver;
 110     @Override
 111     protected void onStart() {
 112         super.onStart();
 113
 114         Log.d("flow", "MainActivity.onStart()");
 115         mViewPager.setCurrentItem(mCurrentPage, false);
 116         if (mAccountFilter != null) showTransactionsFragment(mAccountFilter);
 117         else Data.accountFilter.set(null);
 118
 119     }
 120     @Override
 121     protected void onSaveInstanceState(Bundle outState) {
 122         super.onSaveInstanceState(outState);
 123         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 124         if (Data.accountFilter.get() != null)
 125             outState.putString(STATE_ACC_FILTER, Data.accountFilter.get());
 126     }
 127     @Override
 128     protected void onDestroy() {
 129         mSectionsPagerAdapter = null;
 130         Data.profile.deleteObserver(profileObserver);
 131         profileObserver = null;
 132         Data.profiles.deleteObserver(profilesObserver);
 133         profilesObserver = null;
 134         RecyclerView root = findViewById(R.id.nav_profile_list);
 135         if (root != null) root.setAdapter(null);
 136         if (drawer != null) drawer.removeDrawerListener(drawerListener);
 137         drawerListener = null;
 138         if (drawer != null) drawer.removeDrawerListener(barDrawerToggle);
 139         barDrawerToggle = null;
 140         if (mViewPager != null) mViewPager.removeOnPageChangeListener(pageChangeListener);
 141         pageChangeListener = null;
 142         if (mProfileListAdapter != null)
 143             mProfileListAdapter.deleteEditingProfilesObserver(editingProfilesObserver);
 144         editingProfilesObserver = null;
 145         super.onDestroy();
 146     }
 147     @Override
 148     protected void onCreate(Bundle savedInstanceState) {
 149         super.onCreate(savedInstanceState);
 150         Log.d("flow", "MainActivity.onCreate()");
 151         int profileColor = Data.retrieveCurrentThemeIdFromDb();
 152         Colors.setupTheme(this, profileColor);
 153         Colors.profileThemeId = profileColor;
 154         setContentView(R.layout.activity_main);
 155
 156         fab = findViewById(R.id.btn_add_transaction);
 157         profileListContainer = findViewById(R.id.nav_profile_list_container);
 158         profileListHeadArrow = findViewById(R.id.nav_profiles_arrow);
 159         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 160         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 161         profileListHeadMoreAndCancel = findViewById(R.id.nav_profile_list_head_buttons);
 162         drawer = findViewById(R.id.drawer_layout);
 163         tvLastUpdate = findViewById(R.id.transactions_last_update);
 164         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 165         progressBar = findViewById(R.id.transaction_list_progress_bar);
 166         progressLayout = findViewById(R.id.transaction_progress_layout);
 167         fragmentManager = getSupportFragmentManager();
 168         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 169         mViewPager = findViewById(R.id.root_frame);
 170
 171         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 172         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 173
 174
 175         mToolbar = findViewById(R.id.toolbar);
 176         setSupportActionBar(mToolbar);
 177
 178         if (profileObserver == null) {
 179             profileObserver = (o, arg) -> onProfileChanged(arg);
 180             Data.profile.addObserver(profileObserver);
 181         }
 182
 183         if (profilesObserver == null) {
 184             profilesObserver = (o, arg) -> onProfileListChanged(arg);
 185             Data.profiles.addObserver(profilesObserver);
 186         }
 187
 188         if (barDrawerToggle == null) {
 189             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
 190                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 191             drawer.addDrawerListener(barDrawerToggle);
 192         }
 193         barDrawerToggle.syncState();
 194
 195         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 196
 197         try {
 198             PackageInfo pi =
 199                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 200             ver.setText(pi.versionName);
 201         }
 202         catch (Exception e) {
 203             e.printStackTrace();
 204         }
 205
 206         if (progressBar == null)
 207             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 208         if (progressLayout == null) throw new RuntimeException(
 209                 "Can't get hold on the transaction value progress bar layout");
 210
 211         markDrawerItemCurrent(R.id.nav_account_summary);
 212
 213         mViewPager.setAdapter(mSectionsPagerAdapter);
 214
 215         if (pageChangeListener == null) {
 216             pageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 217                 @Override
 218                 public void onPageSelected(int position) {
 219                     switch (position) {
 220                         case 0:
 221                             markDrawerItemCurrent(R.id.nav_account_summary);
 222                             break;
 223                         case 1:
 224                             markDrawerItemCurrent(R.id.nav_latest_transactions);
 225                             break;
 226                         default:
 227                             Log.e("MainActivity",
 228                                     String.format("Unexpected page index %d", position));
 229                     }
 230
 231                     super.onPageSelected(position);
 232                 }
 233             };
 234             mViewPager.addOnPageChangeListener(pageChangeListener);
 235         }
 236
 237         mCurrentPage = 0;
 238         if (savedInstanceState != null) {
 239             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 240             if (currentPage != -1) {
 241                 mCurrentPage = currentPage;
 242             }
 243             mAccountFilter = savedInstanceState.getString(STATE_ACC_FILTER, null);
 244         }
 245         else mAccountFilter = null;
 246
 247         Data.lastUpdateDate.observe(this, this::updateLastUpdateDisplay);
 248
 249         findViewById(R.id.btn_no_profiles_add)
 250                 .setOnClickListener(v -> startEditProfileActivity(null));
 251
 252         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 253
 254         findViewById(R.id.nav_new_profile_button)
 255                 .setOnClickListener(v -> startEditProfileActivity(null));
 256
 257         RecyclerView root = findViewById(R.id.nav_profile_list);
 258         if (root == null)
 259             throw new RuntimeException("Can't get hold on the transaction value view");
 260
 261         if (mProfileListAdapter == null) mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 262         root.setAdapter(mProfileListAdapter);
 263
 264         if (editingProfilesObserver == null) {
 265             editingProfilesObserver = (o, arg) -> {
 266                 if (mProfileListAdapter.isEditingProfiles()) {
 267                     profileListHeadArrow.clearAnimation();
 268                     profileListHeadArrow.setVisibility(View.GONE);
 269                     profileListHeadMore.setVisibility(View.GONE);
 270                     profileListHeadCancel.setVisibility(View.VISIBLE);
 271                 }
 272                 else {
 273                     profileListHeadArrow.setRotation(180f);
 274                     profileListHeadArrow.setVisibility(View.VISIBLE);
 275                     profileListHeadCancel.setVisibility(View.GONE);
 276                     profileListHeadMore.setVisibility(View.GONE);
 277                     profileListHeadMore.setVisibility(profileListExpanded ? View.VISIBLE : View.GONE);
 278                 }
 279             };
 280             mProfileListAdapter.addEditingProfilesObserver(editingProfilesObserver);
 281         }
 282
 283         LinearLayoutManager llm = new LinearLayoutManager(this);
 284
 285         llm.setOrientation(RecyclerView.VERTICAL);
 286         root.setLayoutManager(llm);
 287
 288         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 289         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 290         profileListHeadMoreAndCancel
 291                 .setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 292
 293         if (drawerListener == null) {
 294             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 295                 @Override
 296                 public void onDrawerClosed(View drawerView) {
 297                     super.onDrawerClosed(drawerView);
 298                     collapseProfileList();
 299                 }
 300             };
 301             drawer.addDrawerListener(drawerListener);
 302         }
 303
 304         findViewById(R.id.nav_profile_list_head_layout)
 305                 .setOnClickListener(this::navProfilesHeadClicked);
 306         findViewById(R.id.nav_profiles_label).setOnClickListener(this::navProfilesHeadClicked);
 307         setupProfile();
 308         onProfileChanged(null);
 309
 310         updateLastUpdateTextFromDB();
 311     }
 312     private void scheduleDataRetrievalIfStale(Date lastUpdate) {
 313         long now = new Date().getTime();
 314         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
 315             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
 316             else Log.d("db",
 317                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 318                             lastUpdate.getTime() / 1000f, now / 1000f));
 319
 320             scheduleTransactionListRetrieval();
 321         }
 322     }
 323     private void createShortcuts() {
 324         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return;
 325
 326         List<ShortcutInfo> shortcuts = new ArrayList<>();
 327         try (LockHolder lh = Data.profiles.lockForReading()) {
 328             for (int i = 0; i < Data.profiles.size(); i++) {
 329                 MobileLedgerProfile p = Data.profiles.get(i);
 330                 if (!p.isPostingPermitted()) continue;
 331
 332                 ShortcutInfo si = new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid())
 333                         .setShortLabel(p.getName())
 334                         .setIcon(Icon.createWithResource(this, R.drawable.svg_thick_plus_white))
 335                         .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
 336                                 NewTransactionActivity.class).putExtra("profile_uuid", p.getUuid()))
 337                         .setRank(i).build();
 338                 shortcuts.add(si);
 339             }
 340         }
 341         ShortcutManager sm = getSystemService(ShortcutManager.class);
 342         sm.setDynamicShortcuts(shortcuts);
 343     }
 344     private void onProfileListChanged(Object arg) {
 345         findViewById(R.id.nav_profile_list).setMinimumHeight(
 346                 (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 347                        Data.profiles.size()));
 348
 349         Log.d("profiles", "profile list changed");
 350         if (arg == null) mProfileListAdapter.notifyDataSetChanged();
 351         else mProfileListAdapter.notifyItemChanged((int) arg);
 352
 353         createShortcuts();
 354     }
 355     private void onProfileChanged(Object arg) {
 356         MobileLedgerProfile profile = Data.profile.get();
 357         MainActivity.this.runOnUiThread(() -> {
 358
 359             boolean haveProfile = profile != null;
 360             findViewById(R.id.no_profiles_layout).setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 361             findViewById(R.id.pager_layout)
 362                     .setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 363
 364             Data.transactions.clear();
 365             Log.d("transactions", "requesting list reload");
 366             TransactionListViewModel.scheduleTransactionListReload();
 367
 368             Data.accounts.clear();
 369             AccountSummaryViewModel.scheduleAccountListReload();
 370
 371             if (profile == null) MainActivity.this.setTitle(R.string.app_name);
 372             else MainActivity.this.setTitle(profile.getName());
 373             MainActivity.this.updateLastUpdateTextFromDB();
 374             int old_index = -1;
 375             int new_index = -1;
 376             if (arg != null) {
 377                 MobileLedgerProfile old = (MobileLedgerProfile) arg;
 378                 old_index = Data.getProfileIndex(old);
 379                 new_index = Data.getProfileIndex(profile);
 380             }
 381
 382             if ((old_index != -1) && (new_index != -1)) {
 383                 mProfileListAdapter.notifyItemChanged(old_index);
 384                 mProfileListAdapter.notifyItemChanged(new_index);
 385             }
 386             else mProfileListAdapter.notifyDataSetChanged();
 387
 388             MainActivity.this.collapseProfileList();
 389
 390             int newProfileTheme = (profile == null) ? -1 : profile.getThemeId();
 391             if (newProfileTheme != Colors.profileThemeId) {
 392                 Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 393                         newProfileTheme));
 394                 MainActivity.this.profileThemeChanged();
 395                 Colors.profileThemeId = newProfileTheme;
 396                 // profileThemeChanged would restart the activity, so no need to reload the
 397                 // data sets below
 398                 return;
 399             }
 400             drawer.closeDrawers();
 401
 402             if (profile == null) {
 403                 mToolbar.setSubtitle(null);
 404                 fab.hide();
 405             }
 406             else {
 407                 if (profile.isPostingPermitted()) {
 408                     mToolbar.setSubtitle(null);
 409                     fab.show();
 410                 }
 411                 else {
 412                     mToolbar.setSubtitle(R.string.profile_subitlte_read_only);
 413                     fab.hide();
 414                 }
 415             }
 416
 417             updateLastUpdateTextFromDB();
 418         });
 419     }
 420     private void updateLastUpdateDisplay(Date newValue) {
 421         LinearLayout l = findViewById(R.id.transactions_last_update_layout);
 422         TextView v = findViewById(R.id.transactions_last_update);
 423         if (newValue == null) {
 424             l.setVisibility(View.INVISIBLE);
 425             Log.d("main", "no last update date :(");
 426         }
 427         else {
 428             final String text = DateFormat.getDateTimeInstance().format(newValue);
 429             v.setText(text);
 430             l.setVisibility(View.VISIBLE);
 431             Log.d("main", String.format("Date formatted: %s", text));
 432         }
 433
 434         scheduleDataRetrievalIfStale(newValue);
 435     }
 436     @Override
 437     public void finish() {
 438         if (profilesObserver != null) {
 439             Data.profiles.deleteObserver(profilesObserver);
 440             profilesObserver = null;
 441         }
 442
 443         if (profileObserver != null) {
 444             Data.profile.deleteObserver(profileObserver);
 445             profileObserver = null;
 446         }
 447
 448         super.finish();
 449     }
 450     private void profileThemeChanged() {
 451         setupProfileColors();
 452
 453         Bundle bundle = new Bundle();
 454         onSaveInstanceState(bundle);
 455         // restart activity to reflect theme change
 456         finish();
 457         Intent intent = new Intent(this, this.getClass());
 458         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 459         startActivity(intent);
 460     }
 461     public void startEditProfileActivity(MobileLedgerProfile profile) {
 462         Intent intent = new Intent(this, ProfileDetailActivity.class);
 463         Bundle args = new Bundle();
 464         if (profile != null) {
 465             int index = Data.getProfileIndex(profile);
 466             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 467         }
 468         intent.putExtras(args);
 469         startActivity(intent, args);
 470     }
 471     private void setupProfile() {
 472         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 473         MobileLedgerProfile profile;
 474
 475         profile = Data.getProfile(profileUUID);
 476
 477         if (Data.profiles.isEmpty()) {
 478             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 479             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 480             return;
 481         }
 482
 483         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 484         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 485
 486         if (profile == null) profile = Data.profiles.get(0);
 487
 488         if (profile == null) throw new AssertionError("profile must have a value");
 489
 490         Data.setCurrentProfile(profile);
 491     }
 492     public void fabNewTransactionClicked(View view) {
 493         Intent intent = new Intent(this, NewTransactionActivity.class);
 494         startActivity(intent);
 495         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 496     }
 497     public void navSettingsClicked(View view) {
 498         Intent intent = new Intent(this, SettingsActivity.class);
 499         startActivity(intent);
 500         drawer.closeDrawers();
 501     }
 502     public void markDrawerItemCurrent(int id) {
 503         TextView item = drawer.findViewById(id);
 504         item.setBackgroundColor(Colors.tableRowDarkBG);
 505
 506         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 507         for (int i = 0; i < actions.getChildCount(); i++) {
 508             View view = actions.getChildAt(i);
 509             if (view.getId() != id) {
 510                 view.setBackgroundColor(Color.TRANSPARENT);
 511             }
 512         }
 513     }
 514     public void onAccountSummaryClicked(View view) {
 515         drawer.closeDrawers();
 516
 517         showAccountSummaryFragment();
 518     }
 519     private void showAccountSummaryFragment() {
 520         mViewPager.setCurrentItem(0, true);
 521         Data.accountFilter.set(null);
 522 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 523 //        accountSummaryFragment = new AccountSummaryFragment();
 524 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 525 //        ft.commit();
 526 //        currentFragment = accountSummaryFragment;
 527     }
 528     public void onLatestTransactionsClicked(View view) {
 529         drawer.closeDrawers();
 530
 531         showTransactionsFragment((String) null);
 532     }
 533     private void resetFragmentBackStack() {
 534 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 535     }
 536     private void showTransactionsFragment(String accName) {
 537         Data.accountFilter.set(accName);
 538         Data.accountFilter.notifyObservers();
 539         mViewPager.setCurrentItem(1, true);
 540     }
 541     private void showTransactionsFragment(LedgerAccount account) {
 542         showTransactionsFragment((account == null) ? (String) null : account.getName());
 543 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 544 //        if (transactionListFragment == null) {
 545 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 546 //            transactionListFragment = new TransactionListFragment();
 547 //        }
 548 //        Bundle bundle = new Bundle();
 549 //        if (account != null) {
 550 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 551 //                    account.getName());
 552 //        }
 553 //        transactionListFragment.setArguments(bundle);
 554 //        ft.replace(R.id.root_frame, transactionListFragment);
 555 //        if (account != null)
 556 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 557 //        ft.commit();
 558 //
 559 //        currentFragment = transactionListFragment;
 560     }
 561     public void showAccountTransactions(LedgerAccount account) {
 562         mBackMeansToAccountList = true;
 563         showTransactionsFragment(account);
 564     }
 565     @Override
 566     public void onBackPressed() {
 567         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 568         if (drawer.isDrawerOpen(GravityCompat.START)) {
 569             drawer.closeDrawer(GravityCompat.START);
 570         }
 571         else {
 572             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
 573                 Data.accountFilter.set(null);
 574                 showAccountSummaryFragment();
 575                 mBackMeansToAccountList = false;
 576             }
 577             else {
 578                 Log.d("fragments", String.format("manager stack: %d",
 579                         fragmentManager.getBackStackEntryCount()));
 580
 581                 super.onBackPressed();
 582             }
 583         }
 584     }
 585     public void updateLastUpdateTextFromDB() {
 586         final MobileLedgerProfile profile = Data.profile.get();
 587         long last_update = (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 588
 589         Log.d("transactions", String.format("Last update = %d", last_update));
 590         if (last_update == 0) {
 591             Data.lastUpdateDate.postValue(null);
 592         }
 593         else {
 594             Data.lastUpdateDate.postValue(new Date(last_update));
 595         }
 596     }
 597     public void scheduleTransactionListRetrieval() {
 598         if (Data.profile.get() == null) return;
 599
 600         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 601
 602         retrieveTransactionsTask.execute();
 603     }
 604     public void onStopTransactionRefreshClick(View view) {
 605         Log.d("interactive", "Cancelling transactions refresh");
 606         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 607         bTransactionListCancelDownload.setEnabled(false);
 608     }
 609     public void onRetrieveDone(String error) {
 610         progressLayout.setVisibility(View.GONE);
 611
 612         if (error == null) {
 613             updateLastUpdateTextFromDB();
 614
 615             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 616             TransactionListViewModel.scheduleTransactionListReload();
 617         }
 618         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 619     }
 620     public void onRetrieveStart() {
 621         bTransactionListCancelDownload.setEnabled(true);
 622         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 623         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 624         progressBar.setIndeterminate(true);
 625         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 626         else progressBar.setProgress(0);
 627         progressLayout.setVisibility(View.VISIBLE);
 628     }
 629     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 630         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 631             (progress.getTotal() == 0))
 632         {
 633             progressBar.setIndeterminate(true);
 634         }
 635         else {
 636             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 637                 progressBar.setMin(0);
 638             }
 639             progressBar.setMax(progress.getTotal());
 640             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 641                 progressBar.setProgress(progress.getProgress(), true);
 642             }
 643             else progressBar.setProgress(progress.getProgress());
 644             progressBar.setIndeterminate(false);
 645         }
 646     }
 647     public void fabShouldShow() {
 648         MobileLedgerProfile profile = Data.profile.get();
 649         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 650     }
 651     public void navProfilesHeadClicked(View view) {
 652         if (profileListExpanded) {
 653             collapseProfileList();
 654         }
 655         else {
 656             expandProfileList();
 657         }
 658     }
 659     private void expandProfileList() {
 660         profileListExpanded = true;
 661
 662
 663         profileListContainer.setVisibility(View.VISIBLE);
 664         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 665         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 666         profileListHeadMore.setVisibility(View.VISIBLE);
 667         profileListHeadMore.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in));
 668         findViewById(R.id.nav_profile_list).setMinimumHeight(
 669                 (int) (getResources().getDimension(R.dimen.thumb_row_height) *
 670                        Data.profiles.size()));
 671     }
 672     private void collapseProfileList() {
 673         profileListExpanded = false;
 674
 675         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 676         animation.setAnimationListener(new Animation.AnimationListener() {
 677             @Override
 678             public void onAnimationStart(Animation animation) {
 679
 680             }
 681             @Override
 682             public void onAnimationEnd(Animation animation) {
 683                 profileListContainer.setVisibility(View.GONE);
 684             }
 685             @Override
 686             public void onAnimationRepeat(Animation animation) {
 687
 688             }
 689         });
 690         mProfileListAdapter.stopEditingProfiles();
 691
 692         profileListContainer.startAnimation(animation);
 693         profileListHeadArrow.setRotation(0f);
 694         profileListHeadArrow
 695                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 696         profileListHeadMore.setVisibility(View.GONE);
 697     }
 698     public void onProfileRowClicked(View v) {
 699         Data.setCurrentProfile((MobileLedgerProfile) v.getTag());
 700     }
 701     public void enableProfileModifications() {
 702         profileModificationEnabled = true;
 703         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 704         for (int i = 0; i < profileList.getChildCount(); i++) {
 705             View aRow = profileList.getChildAt(i);
 706             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.VISIBLE);
 707             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.VISIBLE);
 708         }
 709         // FIXME enable rearranging
 710
 711     }
 712     public void disableProfileModifications() {
 713         profileModificationEnabled = false;
 714         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 715         for (int i = 0; i < profileList.getChildCount(); i++) {
 716             View aRow = profileList.getChildAt(i);
 717             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.GONE);
 718             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.INVISIBLE);
 719         }
 720         // FIXME disable rearranging
 721
 722     }
 723     public void onAccountSummaryRowViewClicked(View view) {
 724         ViewGroup row;
 725         if (view.getId() == R.id.account_expander) row = (ViewGroup) view.getParent().getParent();
 726         else row = (ViewGroup) view.getParent();
 727
 728         LedgerAccount acc = (LedgerAccount) row.getTag();
 729         switch (view.getId()) {
 730             case R.id.account_row_acc_name:
 731             case R.id.account_expander:
 732             case R.id.account_expander_container:
 733                 Log.d("accounts", "Account expander clicked");
 734                 if (!acc.hasSubAccounts()) return;
 735
 736                 boolean wasExpanded = acc.isExpanded();
 737
 738                 View arrow = row.findViewById(R.id.account_expander_container);
 739
 740                 arrow.clearAnimation();
 741                 ViewPropertyAnimator animator = arrow.animate();
 742
 743                 acc.toggleExpanded();
 744                 DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
 745                         new Object[]{acc.isExpanded(), acc.getName(), Data.profile.get().getUuid()
 746                         });
 747
 748                 if (wasExpanded) {
 749                     Log.d("accounts", String.format("Collapsing account '%s'", acc.getName()));
 750                     arrow.setRotation(0);
 751                     animator.rotationBy(180);
 752
 753                     // removing all child accounts from the view
 754                     int start = -1, count = 0;
 755                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 756                         for (int i = 0; i < Data.accounts.size(); i++) {
 757                             if (acc.isParentOf(Data.accounts.get(i))) {
 758 //                                Log.d("accounts", String.format("Found a child '%s' at position %d",
 759 //                                        Data.accounts.get(i).getName(), i));
 760                                 if (start == -1) {
 761                                     start = i;
 762                                 }
 763                                 count++;
 764                             }
 765                             else {
 766                                 if (start != -1) {
 767 //                                    Log.d("accounts",
 768 //                                            String.format("Found a non-child '%s' at position %d",
 769 //                                                    Data.accounts.get(i).getName(), i));
 770                                     break;
 771                                 }
 772                             }
 773                         }
 774
 775                         if (start != -1) {
 776                             for (int j = 0; j < count; j++) {
 777 //                                Log.d("accounts", String.format("Removing item %d: %s", start + j,
 778 //                                        Data.accounts.get(start).getName()));
 779                                 Data.accounts.removeQuietly(start);
 780                             }
 781
 782                             mAccountSummaryFragment.modelAdapter
 783                                     .notifyItemRangeRemoved(start, count);
 784                         }
 785                     }
 786                 }
 787                 else {
 788                     Log.d("accounts", String.format("Expanding account '%s'", acc.getName()));
 789                     arrow.setRotation(180);
 790                     animator.rotationBy(-180);
 791                     List<LedgerAccount> children =
 792                             Data.profile.get().loadVisibleChildAccountsOf(acc);
 793                     try (LockHolder lh = Data.accounts.lockForWriting()) {
 794                         int parentPos = Data.accounts.indexOf(acc);
 795                         if (parentPos != -1) {
 796                             // may have disappeared in a concurrent refresh operation
 797                             Data.accounts.addAllQuietly(parentPos + 1, children);
 798                             mAccountSummaryFragment.modelAdapter
 799                                     .notifyItemRangeInserted(parentPos + 1, children.size());
 800                         }
 801                     }
 802                 }
 803                 break;
 804             case R.id.account_row_acc_amounts:
 805                 if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
 806                     acc.toggleAmountsExpanded();
 807                     DbOpQueue
 808                             .add("update accounts set amounts_expanded=? where name=? and profile=?",
 809                                     new Object[]{acc.amountsExpanded(), acc.getName(),
 810                                                  Data.profile.get().getUuid()
 811                                     });
 812                     Data.accounts.triggerItemChangedNotification(acc);
 813                 }
 814                 break;
 815         }
 816     }
 817
 818     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 819
 820         public SectionsPagerAdapter(FragmentManager fm) {
 821             super(fm);
 822         }
 823
 824         @Override
 825         public Fragment getItem(int position) {
 826             Log.d("main", String.format("Switching to fragment %d", position));
 827             switch (position) {
 828                 case 0:
 829 //                    Log.d("flow", "Creating account summary fragment");
 830                     return mAccountSummaryFragment = new AccountSummaryFragment();
 831                 case 1:
 832                     return new TransactionListFragment();
 833                 default:
 834                     throw new IllegalStateException(
 835                             String.format("Unexpected fragment index: " + "%d", position));
 836             }
 837         }
 838
 839         @Override
 840         public int getCount() {
 841             return 2;
 842         }
 843     }
 844 }