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