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.animation.Animation;
  31 import android.view.animation.AnimationUtils;
  32 import android.widget.LinearLayout;
  33 import android.widget.ProgressBar;
  34 import android.widget.TextView;
  35 import android.widget.Toast;
  36
  37 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  38
  39 import net.ktnx.mobileledger.R;
  40 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  41 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  42 import net.ktnx.mobileledger.model.Data;
  43 import net.ktnx.mobileledger.model.LedgerAccount;
  44 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  45 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  46 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  47 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  48 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  49 import net.ktnx.mobileledger.utils.Colors;
  50 import net.ktnx.mobileledger.utils.MLDB;
  51
  52 import java.lang.ref.WeakReference;
  53 import java.text.DateFormat;
  54 import java.util.Date;
  55 import java.util.Observable;
  56 import java.util.Observer;
  57
  58 import androidx.appcompat.app.ActionBarDrawerToggle;
  59 import androidx.appcompat.widget.Toolbar;
  60 import androidx.core.view.GravityCompat;
  61 import androidx.drawerlayout.widget.DrawerLayout;
  62 import androidx.fragment.app.Fragment;
  63 import androidx.fragment.app.FragmentManager;
  64 import androidx.fragment.app.FragmentPagerAdapter;
  65 import androidx.recyclerview.widget.LinearLayoutManager;
  66 import androidx.recyclerview.widget.RecyclerView;
  67 import androidx.viewpager.widget.ViewPager;
  68
  69 public class MainActivity extends CrashReportingActivity {
  70     private static final String STATE_CURRENT_PAGE = "current_page";
  71     private static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  72     DrawerLayout drawer;
  73     private LinearLayout profileListContainer;
  74     private View profileListHeadArrow;
  75     private FragmentManager fragmentManager;
  76     private TextView tvLastUpdate;
  77     private RetrieveTransactionsTask retrieveTransactionsTask;
  78     private View bTransactionListCancelDownload;
  79     private ProgressBar progressBar;
  80     private LinearLayout progressLayout;
  81     private SectionsPagerAdapter mSectionsPagerAdapter;
  82     private ViewPager mViewPager;
  83     private FloatingActionButton fab;
  84     private boolean profileModificationEnabled = false;
  85     private boolean profileListExpanded = false;
  86     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  87
  88     @Override
  89     protected void onStart() {
  90         super.onStart();
  91
  92         Data.lastUpdateDate.set(null);
  93         updateLastUpdateTextFromDB();
  94         Date lastUpdate = Data.lastUpdateDate.get();
  95
  96         long now = new Date().getTime();
  97         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  98             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  99             else Log.d("db",
 100                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 101                             lastUpdate.getTime() / 1000f, now / 1000f));
 102
 103             scheduleTransactionListRetrieval();
 104         }
 105     }
 106     @Override
 107     protected void onSaveInstanceState(Bundle outState) {
 108         super.onSaveInstanceState(outState);
 109         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 110     }
 111     @Override
 112     protected void onCreate(Bundle savedInstanceState) {
 113         super.onCreate(savedInstanceState);
 114
 115         setContentView(R.layout.activity_main);
 116
 117         fab = findViewById(R.id.btn_add_transaction);
 118         profileListContainer = findViewById(R.id.nav_profile_list_container);
 119         profileListHeadArrow = findViewById(R.id.nav_profiles_arrow);
 120         drawer = findViewById(R.id.drawer_layout);
 121         tvLastUpdate = findViewById(R.id.transactions_last_update);
 122         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 123         progressBar = findViewById(R.id.transaction_list_progress_bar);
 124         progressLayout = findViewById(R.id.transaction_progress_layout);
 125         fragmentManager = getSupportFragmentManager();
 126         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 127         mViewPager = findViewById(R.id.root_frame);
 128
 129         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 130         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 131
 132
 133         Toolbar toolbar = findViewById(R.id.toolbar);
 134         setSupportActionBar(toolbar);
 135
 136         Data.profile.addObserver((o, arg) -> {
 137             MobileLedgerProfile profile = Data.profile.get();
 138             runOnUiThread(() -> {
 139                 if (profile == null) setTitle(R.string.app_name);
 140                 else setTitle(profile.getName());
 141                 updateLastUpdateTextFromDB();
 142                 if (profile.isPostingPermitted()) {
 143                     toolbar.setSubtitle(null);
 144                     fab.show();
 145                 }
 146                 else {
 147                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 148                     fab.hide();
 149                 }
 150
 151                 int newProfileTheme = profile.getThemeId();
 152                 if (newProfileTheme != Colors.profileThemeId) {
 153                     Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 154                             newProfileTheme));
 155                     profileThemeChanged();
 156                     Colors.profileThemeId = newProfileTheme;
 157                 }
 158             });
 159         });
 160
 161         ActionBarDrawerToggle toggle =
 162                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 163                         R.string.navigation_drawer_close);
 164         drawer.addDrawerListener(toggle);
 165         toggle.syncState();
 166
 167         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 168
 169         try {
 170             PackageInfo pi =
 171                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 172             ver.setText(pi.versionName);
 173         }
 174         catch (Exception e) {
 175             e.printStackTrace();
 176         }
 177
 178         if (progressBar == null)
 179             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 180         if (progressLayout == null) throw new RuntimeException(
 181                 "Can't get hold on the transaction value progress bar layout");
 182
 183         markDrawerItemCurrent(R.id.nav_account_summary);
 184
 185         mViewPager.setAdapter(mSectionsPagerAdapter);
 186         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 187             @Override
 188             public void onPageSelected(int position) {
 189                 switch (position) {
 190                     case 0:
 191                         markDrawerItemCurrent(R.id.nav_account_summary);
 192                         break;
 193                     case 1:
 194                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 195                         break;
 196                     default:
 197                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 198                 }
 199
 200                 super.onPageSelected(position);
 201             }
 202         });
 203
 204         if (savedInstanceState != null) {
 205             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 206             if (currentPage != -1) {
 207                 mViewPager.setCurrentItem(currentPage, false);
 208             }
 209         }
 210
 211         Data.lastUpdateDate.addObserver((o, arg) -> {
 212             Log.d("main", "lastUpdateDate changed");
 213             runOnUiThread(() -> {
 214                 Date date = Data.lastUpdateDate.get();
 215                 if (date == null) {
 216                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 217                 }
 218                 else {
 219                     final String text = DateFormat.getDateTimeInstance().format(date);
 220                     tvLastUpdate.setText(text);
 221                     Log.d("despair", String.format("Date formatted: %s", text));
 222                 }
 223             });
 224         });
 225
 226         findViewById(R.id.btn_no_profiles_add)
 227                 .setOnClickListener(v -> startEditProfileActivity(null));
 228
 229         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 230
 231         findViewById(R.id.nav_new_profile_button)
 232                 .setOnClickListener(v -> startEditProfileActivity(null));
 233
 234         RecyclerView root = findViewById(R.id.nav_profile_list);
 235         if (root == null)
 236             throw new RuntimeException("Can't get hold on the transaction value view");
 237
 238         mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 239         root.setAdapter(mProfileListAdapter);
 240
 241         mProfileListAdapter.addEditingProfilesObserver(new Observer() {
 242             @Override
 243             public void update(Observable o, Object arg) {
 244                 if (mProfileListAdapter.isEditingProfiles()) {
 245                     findViewById(R.id.nav_profiles_arrow).setVisibility(View.GONE);
 246                     findViewById(R.id.nav_profiles_arrow).setAlpha(0f);
 247                     findViewById(R.id.nav_profiles_cancel_edit).setVisibility(View.VISIBLE);
 248                 }
 249                 else {
 250                     findViewById(R.id.nav_profiles_arrow).setVisibility(View.VISIBLE);
 251                     findViewById(R.id.nav_profiles_arrow).setAlpha(1f);
 252                     findViewById(R.id.nav_profiles_cancel_edit).setVisibility(View.GONE);
 253                 }
 254             }
 255         });
 256
 257         findViewById(R.id.nav_profiles_cancel_edit).setOnClickListener((v) -> {
 258             mProfileListAdapter.stopEditingProfiles();
 259         });
 260         LinearLayoutManager llm = new LinearLayoutManager(this);
 261
 262         llm.setOrientation(RecyclerView.VERTICAL);
 263         root.setLayoutManager(llm);
 264     }
 265     private void profileThemeChanged() {
 266         setupProfileColors();
 267
 268         Bundle bundle = new Bundle();
 269         onSaveInstanceState(bundle);
 270         // restart activity to reflect theme change
 271         finish();
 272         Intent intent = new Intent(this, this.getClass());
 273         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 274         startActivity(intent);
 275     }
 276     @Override
 277     protected void onResume() {
 278         super.onResume();
 279         setupProfile();
 280     }
 281     public void startEditProfileActivity(MobileLedgerProfile profile) {
 282         Intent intent = new Intent(this, ProfileDetailActivity.class);
 283         Bundle args = new Bundle();
 284         if (profile != null) {
 285             int index = Data.getProfileIndex(profile);
 286             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 287         }
 288         intent.putExtras(args);
 289         startActivity(intent, args);
 290     }
 291     private void setupProfile() {
 292         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 293         MobileLedgerProfile profile;
 294
 295         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 296
 297         if (Data.profiles.getList().isEmpty()) {
 298             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 299             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 300             return;
 301         }
 302
 303         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 304         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 305
 306         if (profile == null) profile = Data.profiles.get(0);
 307
 308         if (profile == null) throw new AssertionError("profile must have a value");
 309
 310         Data.setCurrentProfile(profile);
 311     }
 312     public void fabNewTransactionClicked(View view) {
 313         Intent intent = new Intent(this, NewTransactionActivity.class);
 314         startActivity(intent);
 315         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 316     }
 317     public void navSettingsClicked(View view) {
 318         Intent intent = new Intent(this, SettingsActivity.class);
 319         startActivity(intent);
 320         drawer.closeDrawers();
 321     }
 322     public void markDrawerItemCurrent(int id) {
 323         TextView item = drawer.findViewById(id);
 324         item.setBackgroundColor(Colors.tableRowDarkBG);
 325
 326         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 327         for (int i = 0; i < actions.getChildCount(); i++) {
 328             View view = actions.getChildAt(i);
 329             if (view.getId() != id) {
 330                 view.setBackgroundColor(Color.TRANSPARENT);
 331             }
 332         }
 333     }
 334     public void onAccountSummaryClicked(View view) {
 335         drawer.closeDrawers();
 336
 337         showAccountSummaryFragment();
 338     }
 339     private void showAccountSummaryFragment() {
 340         mViewPager.setCurrentItem(0, true);
 341         TransactionListFragment.accountFilter.set(null);
 342 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 343 //        accountSummaryFragment = new AccountSummaryFragment();
 344 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 345 //        ft.commit();
 346 //        currentFragment = accountSummaryFragment;
 347     }
 348     public void onLatestTransactionsClicked(View view) {
 349         drawer.closeDrawers();
 350
 351         showTransactionsFragment(null);
 352     }
 353     private void resetFragmentBackStack() {
 354 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 355     }
 356     private void showTransactionsFragment(LedgerAccount account) {
 357         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 358         mViewPager.setCurrentItem(1, true);
 359 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 360 //        if (transactionListFragment == null) {
 361 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 362 //            transactionListFragment = new TransactionListFragment();
 363 //        }
 364 //        Bundle bundle = new Bundle();
 365 //        if (account != null) {
 366 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 367 //                    account.getName());
 368 //        }
 369 //        transactionListFragment.setArguments(bundle);
 370 //        ft.replace(R.id.root_frame, transactionListFragment);
 371 //        if (account != null)
 372 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 373 //        ft.commit();
 374 //
 375 //        currentFragment = transactionListFragment;
 376     }
 377     public void showAccountTransactions(LedgerAccount account) {
 378         showTransactionsFragment(account);
 379     }
 380     @Override
 381     public void onBackPressed() {
 382         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 383         if (drawer.isDrawerOpen(GravityCompat.START)) {
 384             drawer.closeDrawer(GravityCompat.START);
 385         }
 386         else {
 387             Log.d("fragments",
 388                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 389
 390             super.onBackPressed();
 391         }
 392     }
 393     public void updateLastUpdateTextFromDB() {
 394         {
 395             final MobileLedgerProfile profile = Data.profile.get();
 396             long last_update =
 397                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 398
 399             Log.d("transactions", String.format("Last update = %d", last_update));
 400             if (last_update == 0) {
 401                 Data.lastUpdateDate.set(null);
 402             }
 403             else {
 404                 Data.lastUpdateDate.set(new Date(last_update));
 405             }
 406         }
 407     }
 408     public void scheduleTransactionListRetrieval() {
 409         if (Data.profile.get() == null) return;
 410
 411         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 412
 413         retrieveTransactionsTask.execute();
 414     }
 415     public void onStopTransactionRefreshClick(View view) {
 416         Log.d("interactive", "Cancelling transactions refresh");
 417         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 418         bTransactionListCancelDownload.setEnabled(false);
 419     }
 420     public void onRetrieveDone(String error) {
 421         progressLayout.setVisibility(View.GONE);
 422
 423         if (error == null) {
 424             updateLastUpdateTextFromDB();
 425
 426             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 427         }
 428         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 429     }
 430     public void onRetrieveStart() {
 431         bTransactionListCancelDownload.setEnabled(true);
 432         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 433         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 434         progressBar.setIndeterminate(true);
 435         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 436         else progressBar.setProgress(0);
 437         progressLayout.setVisibility(View.VISIBLE);
 438     }
 439     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 440         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 441             (progress.getTotal() == 0))
 442         {
 443             progressBar.setIndeterminate(true);
 444         }
 445         else {
 446             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 447                 progressBar.setMin(0);
 448             }
 449             progressBar.setMax(progress.getTotal());
 450             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 451                 progressBar.setProgress(progress.getProgress(), true);
 452             }
 453             else progressBar.setProgress(progress.getProgress());
 454             progressBar.setIndeterminate(false);
 455         }
 456     }
 457     public void fabShouldShow() {
 458         MobileLedgerProfile profile = Data.profile.get();
 459         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 460     }
 461     public void navProfilesHeadClicked(View view) {
 462         if (profileListExpanded) {
 463             collapseProfileList();
 464         }
 465         else {
 466             expandProfileList();
 467         }
 468     }
 469     private void expandProfileList() {
 470         profileListExpanded = true;
 471
 472
 473         profileListContainer.setVisibility(View.VISIBLE);
 474         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 475         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 476     }
 477     private void collapseProfileList() {
 478         profileListExpanded = false;
 479
 480         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 481         animation.setAnimationListener(new Animation.AnimationListener() {
 482             @Override
 483             public void onAnimationStart(Animation animation) {
 484
 485             }
 486             @Override
 487             public void onAnimationEnd(Animation animation) {
 488                 profileListContainer.setVisibility(View.GONE);
 489             }
 490             @Override
 491             public void onAnimationRepeat(Animation animation) {
 492
 493             }
 494         });
 495         profileListContainer.startAnimation(animation);
 496         profileListHeadArrow
 497                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 498
 499         mProfileListAdapter.stopEditingProfiles();
 500     }
 501     public void onProfileRowClicked(View v) {
 502         Data.setCurrentProfile((MobileLedgerProfile) v.getTag());
 503     }
 504     public void enableProfileModifications() {
 505         profileModificationEnabled = true;
 506         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 507         for (int i = 0; i < profileList.getChildCount(); i++) {
 508             View aRow = profileList.getChildAt(i);
 509             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.VISIBLE);
 510             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.VISIBLE);
 511         }
 512         // FIXME enable rearranging
 513
 514     }
 515     public void disableProfileModifications() {
 516         profileModificationEnabled = false;
 517         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 518         for (int i = 0; i < profileList.getChildCount(); i++) {
 519             View aRow = profileList.getChildAt(i);
 520             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.GONE);
 521             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.GONE);
 522         }
 523         // FIXME disable rearranging
 524
 525     }
 526
 527     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 528
 529         public SectionsPagerAdapter(FragmentManager fm) {
 530             super(fm);
 531         }
 532
 533         @Override
 534         public Fragment getItem(int position) {
 535             Log.d("main", String.format("Switching to fragment %d", position));
 536             switch (position) {
 537                 case 0:
 538                     return new AccountSummaryFragment();
 539                 case 1:
 540                     return new TransactionListFragment();
 541                 default:
 542                     throw new IllegalStateException(
 543                             String.format("Unexpected fragment index: " + "%d", position));
 544             }
 545         }
 546
 547         @Override
 548         public int getCount() {
 549             return 2;
 550         }
 551     }
 552
 553 }