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                 final View profilesArrow = findViewById(R.id.nav_profiles_arrow);
 245                 if (mProfileListAdapter.isEditingProfiles()) {
 246                     profilesArrow.clearAnimation();
 247                     profilesArrow.setVisibility(View.GONE);
 248 //                    findViewById(R.id.nav_profiles_arrow).setAlpha(0f);
 249                     findViewById(R.id.nav_profiles_cancel_edit).setVisibility(View.VISIBLE);
 250                 }
 251                 else {
 252                     profilesArrow.setVisibility(View.VISIBLE);
 253 //                    findViewById(R.id.nav_profiles_arrow).setAlpha(1f);
 254                     findViewById(R.id.nav_profiles_cancel_edit).setVisibility(View.GONE);
 255                 }
 256             }
 257         });
 258
 259         findViewById(R.id.nav_profiles_cancel_edit).setOnClickListener((v) -> {
 260             mProfileListAdapter.stopEditingProfiles();
 261         });
 262         LinearLayoutManager llm = new LinearLayoutManager(this);
 263
 264         llm.setOrientation(RecyclerView.VERTICAL);
 265         root.setLayoutManager(llm);
 266     }
 267     private void profileThemeChanged() {
 268         setupProfileColors();
 269
 270         Bundle bundle = new Bundle();
 271         onSaveInstanceState(bundle);
 272         // restart activity to reflect theme change
 273         finish();
 274         Intent intent = new Intent(this, this.getClass());
 275         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 276         startActivity(intent);
 277     }
 278     @Override
 279     protected void onResume() {
 280         super.onResume();
 281         setupProfile();
 282     }
 283     public void startEditProfileActivity(MobileLedgerProfile profile) {
 284         Intent intent = new Intent(this, ProfileDetailActivity.class);
 285         Bundle args = new Bundle();
 286         if (profile != null) {
 287             int index = Data.getProfileIndex(profile);
 288             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 289         }
 290         intent.putExtras(args);
 291         startActivity(intent, args);
 292     }
 293     private void setupProfile() {
 294         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 295         MobileLedgerProfile profile;
 296
 297         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 298
 299         if (Data.profiles.getList().isEmpty()) {
 300             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 301             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 302             return;
 303         }
 304
 305         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 306         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 307
 308         if (profile == null) profile = Data.profiles.get(0);
 309
 310         if (profile == null) throw new AssertionError("profile must have a value");
 311
 312         Data.setCurrentProfile(profile);
 313     }
 314     public void fabNewTransactionClicked(View view) {
 315         Intent intent = new Intent(this, NewTransactionActivity.class);
 316         startActivity(intent);
 317         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 318     }
 319     public void navSettingsClicked(View view) {
 320         Intent intent = new Intent(this, SettingsActivity.class);
 321         startActivity(intent);
 322         drawer.closeDrawers();
 323     }
 324     public void markDrawerItemCurrent(int id) {
 325         TextView item = drawer.findViewById(id);
 326         item.setBackgroundColor(Colors.tableRowDarkBG);
 327
 328         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 329         for (int i = 0; i < actions.getChildCount(); i++) {
 330             View view = actions.getChildAt(i);
 331             if (view.getId() != id) {
 332                 view.setBackgroundColor(Color.TRANSPARENT);
 333             }
 334         }
 335     }
 336     public void onAccountSummaryClicked(View view) {
 337         drawer.closeDrawers();
 338
 339         showAccountSummaryFragment();
 340     }
 341     private void showAccountSummaryFragment() {
 342         mViewPager.setCurrentItem(0, true);
 343         TransactionListFragment.accountFilter.set(null);
 344 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 345 //        accountSummaryFragment = new AccountSummaryFragment();
 346 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 347 //        ft.commit();
 348 //        currentFragment = accountSummaryFragment;
 349     }
 350     public void onLatestTransactionsClicked(View view) {
 351         drawer.closeDrawers();
 352
 353         showTransactionsFragment(null);
 354     }
 355     private void resetFragmentBackStack() {
 356 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 357     }
 358     private void showTransactionsFragment(LedgerAccount account) {
 359         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 360         mViewPager.setCurrentItem(1, true);
 361 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 362 //        if (transactionListFragment == null) {
 363 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 364 //            transactionListFragment = new TransactionListFragment();
 365 //        }
 366 //        Bundle bundle = new Bundle();
 367 //        if (account != null) {
 368 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 369 //                    account.getName());
 370 //        }
 371 //        transactionListFragment.setArguments(bundle);
 372 //        ft.replace(R.id.root_frame, transactionListFragment);
 373 //        if (account != null)
 374 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 375 //        ft.commit();
 376 //
 377 //        currentFragment = transactionListFragment;
 378     }
 379     public void showAccountTransactions(LedgerAccount account) {
 380         showTransactionsFragment(account);
 381     }
 382     @Override
 383     public void onBackPressed() {
 384         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 385         if (drawer.isDrawerOpen(GravityCompat.START)) {
 386             drawer.closeDrawer(GravityCompat.START);
 387         }
 388         else {
 389             Log.d("fragments",
 390                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 391
 392             super.onBackPressed();
 393         }
 394     }
 395     public void updateLastUpdateTextFromDB() {
 396         {
 397             final MobileLedgerProfile profile = Data.profile.get();
 398             long last_update =
 399                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 400
 401             Log.d("transactions", String.format("Last update = %d", last_update));
 402             if (last_update == 0) {
 403                 Data.lastUpdateDate.set(null);
 404             }
 405             else {
 406                 Data.lastUpdateDate.set(new Date(last_update));
 407             }
 408         }
 409     }
 410     public void scheduleTransactionListRetrieval() {
 411         if (Data.profile.get() == null) return;
 412
 413         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 414
 415         retrieveTransactionsTask.execute();
 416     }
 417     public void onStopTransactionRefreshClick(View view) {
 418         Log.d("interactive", "Cancelling transactions refresh");
 419         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 420         bTransactionListCancelDownload.setEnabled(false);
 421     }
 422     public void onRetrieveDone(String error) {
 423         progressLayout.setVisibility(View.GONE);
 424
 425         if (error == null) {
 426             updateLastUpdateTextFromDB();
 427
 428             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 429         }
 430         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 431     }
 432     public void onRetrieveStart() {
 433         bTransactionListCancelDownload.setEnabled(true);
 434         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 435         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 436         progressBar.setIndeterminate(true);
 437         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 438         else progressBar.setProgress(0);
 439         progressLayout.setVisibility(View.VISIBLE);
 440     }
 441     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 442         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 443             (progress.getTotal() == 0))
 444         {
 445             progressBar.setIndeterminate(true);
 446         }
 447         else {
 448             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 449                 progressBar.setMin(0);
 450             }
 451             progressBar.setMax(progress.getTotal());
 452             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 453                 progressBar.setProgress(progress.getProgress(), true);
 454             }
 455             else progressBar.setProgress(progress.getProgress());
 456             progressBar.setIndeterminate(false);
 457         }
 458     }
 459     public void fabShouldShow() {
 460         MobileLedgerProfile profile = Data.profile.get();
 461         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 462     }
 463     public void navProfilesHeadClicked(View view) {
 464         if (profileListExpanded) {
 465             collapseProfileList();
 466         }
 467         else {
 468             expandProfileList();
 469         }
 470     }
 471     private void expandProfileList() {
 472         profileListExpanded = true;
 473
 474
 475         profileListContainer.setVisibility(View.VISIBLE);
 476         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 477         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 478     }
 479     private void collapseProfileList() {
 480         profileListExpanded = false;
 481
 482         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 483         animation.setAnimationListener(new Animation.AnimationListener() {
 484             @Override
 485             public void onAnimationStart(Animation animation) {
 486
 487             }
 488             @Override
 489             public void onAnimationEnd(Animation animation) {
 490                 profileListContainer.setVisibility(View.GONE);
 491             }
 492             @Override
 493             public void onAnimationRepeat(Animation animation) {
 494
 495             }
 496         });
 497         profileListContainer.startAnimation(animation);
 498         profileListHeadArrow
 499                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 500
 501         mProfileListAdapter.stopEditingProfiles();
 502     }
 503     public void onProfileRowClicked(View v) {
 504         Data.setCurrentProfile((MobileLedgerProfile) v.getTag());
 505     }
 506     public void enableProfileModifications() {
 507         profileModificationEnabled = true;
 508         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 509         for (int i = 0; i < profileList.getChildCount(); i++) {
 510             View aRow = profileList.getChildAt(i);
 511             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.VISIBLE);
 512             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.VISIBLE);
 513         }
 514         // FIXME enable rearranging
 515
 516     }
 517     public void disableProfileModifications() {
 518         profileModificationEnabled = false;
 519         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 520         for (int i = 0; i < profileList.getChildCount(); i++) {
 521             View aRow = profileList.getChildAt(i);
 522             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.GONE);
 523             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.GONE);
 524         }
 525         // FIXME disable rearranging
 526
 527     }
 528
 529     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 530
 531         public SectionsPagerAdapter(FragmentManager fm) {
 532             super(fm);
 533         }
 534
 535         @Override
 536         public Fragment getItem(int position) {
 537             Log.d("main", String.format("Switching to fragment %d", position));
 538             switch (position) {
 539                 case 0:
 540                     return new AccountSummaryFragment();
 541                 case 1:
 542                     return new TransactionListFragment();
 543                 default:
 544                     throw new IllegalStateException(
 545                             String.format("Unexpected fragment index: " + "%d", position));
 546             }
 547         }
 548
 549         @Override
 550         public int getCount() {
 551             return 2;
 552         }
 553     }
 554
 555 }