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