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, profileListHeadMore, profileListHeadCancel;
  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         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 121         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 122         drawer = findViewById(R.id.drawer_layout);
 123         tvLastUpdate = findViewById(R.id.transactions_last_update);
 124         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 125         progressBar = findViewById(R.id.transaction_list_progress_bar);
 126         progressLayout = findViewById(R.id.transaction_progress_layout);
 127         fragmentManager = getSupportFragmentManager();
 128         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 129         mViewPager = findViewById(R.id.root_frame);
 130
 131         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 132         if (extra != null && savedInstanceState == null) savedInstanceState = extra;
 133
 134
 135         Toolbar toolbar = findViewById(R.id.toolbar);
 136         setSupportActionBar(toolbar);
 137
 138         Data.profile.addObserver((o, arg) -> {
 139             MobileLedgerProfile profile = Data.profile.get();
 140             runOnUiThread(() -> {
 141                 if (profile == null) setTitle(R.string.app_name);
 142                 else setTitle(profile.getName());
 143                 updateLastUpdateTextFromDB();
 144                 if (profile.isPostingPermitted()) {
 145                     toolbar.setSubtitle(null);
 146                     fab.show();
 147                 }
 148                 else {
 149                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 150                     fab.hide();
 151                 }
 152
 153                 int newProfileTheme = profile.getThemeId();
 154                 if (newProfileTheme != Colors.profileThemeId) {
 155                     Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 156                             newProfileTheme));
 157                     profileThemeChanged();
 158                     Colors.profileThemeId = newProfileTheme;
 159                 }
 160             });
 161         });
 162
 163         ActionBarDrawerToggle toggle =
 164                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 165                         R.string.navigation_drawer_close);
 166         drawer.addDrawerListener(toggle);
 167         toggle.syncState();
 168
 169         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 170
 171         try {
 172             PackageInfo pi =
 173                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 174             ver.setText(pi.versionName);
 175         }
 176         catch (Exception e) {
 177             e.printStackTrace();
 178         }
 179
 180         if (progressBar == null)
 181             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 182         if (progressLayout == null) throw new RuntimeException(
 183                 "Can't get hold on the transaction value progress bar layout");
 184
 185         markDrawerItemCurrent(R.id.nav_account_summary);
 186
 187         mViewPager.setAdapter(mSectionsPagerAdapter);
 188         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 189             @Override
 190             public void onPageSelected(int position) {
 191                 switch (position) {
 192                     case 0:
 193                         markDrawerItemCurrent(R.id.nav_account_summary);
 194                         break;
 195                     case 1:
 196                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 197                         break;
 198                     default:
 199                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 200                 }
 201
 202                 super.onPageSelected(position);
 203             }
 204         });
 205
 206         if (savedInstanceState != null) {
 207             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 208             if (currentPage != -1) {
 209                 mViewPager.setCurrentItem(currentPage, false);
 210             }
 211         }
 212
 213         Data.lastUpdateDate.addObserver((o, arg) -> {
 214             Log.d("main", "lastUpdateDate changed");
 215             runOnUiThread(() -> {
 216                 Date date = Data.lastUpdateDate.get();
 217                 if (date == null) {
 218                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 219                 }
 220                 else {
 221                     final String text = DateFormat.getDateTimeInstance().format(date);
 222                     tvLastUpdate.setText(text);
 223                     Log.d("despair", String.format("Date formatted: %s", text));
 224                 }
 225             });
 226         });
 227
 228         findViewById(R.id.btn_no_profiles_add)
 229                 .setOnClickListener(v -> startEditProfileActivity(null));
 230
 231         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 232
 233         findViewById(R.id.nav_new_profile_button)
 234                 .setOnClickListener(v -> startEditProfileActivity(null));
 235
 236         RecyclerView root = findViewById(R.id.nav_profile_list);
 237         if (root == null)
 238             throw new RuntimeException("Can't get hold on the transaction value view");
 239
 240         mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 241         root.setAdapter(mProfileListAdapter);
 242
 243         mProfileListAdapter.addEditingProfilesObserver(new Observer() {
 244             @Override
 245             public void update(Observable o, Object arg) {
 246                 if (mProfileListAdapter.isEditingProfiles()) {
 247                     profileListHeadArrow.clearAnimation();
 248                     profileListHeadArrow.setVisibility(View.GONE);
 249                     profileListHeadMore.setVisibility(View.GONE);
 250                     profileListHeadCancel.setVisibility(View.VISIBLE);
 251                 }
 252                 else {
 253                     profileListHeadArrow.setRotation(180f);
 254                     profileListHeadArrow.setVisibility(View.VISIBLE);
 255                     profileListHeadCancel.setVisibility(View.GONE);
 256                     profileListHeadMore.setVisibility(View.GONE);
 257                     profileListHeadMore
 258                             .setVisibility(profileListExpanded ? View.VISIBLE : View.GONE);
 259                 }
 260             }
 261         });
 262
 263         LinearLayoutManager llm = new LinearLayoutManager(this);
 264
 265         llm.setOrientation(RecyclerView.VERTICAL);
 266         root.setLayoutManager(llm);
 267
 268         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.startEditingProfiles());
 269         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.stopEditingProfiles());
 270
 271         drawer.addDrawerListener(new DrawerLayout.SimpleDrawerListener() {
 272             @Override
 273             public void onDrawerClosed(View drawerView) {
 274                 super.onDrawerClosed(drawerView);
 275                 collapseProfileList();
 276             }
 277         });
 278     }
 279     private void profileThemeChanged() {
 280         setupProfileColors();
 281
 282         Bundle bundle = new Bundle();
 283         onSaveInstanceState(bundle);
 284         // restart activity to reflect theme change
 285         finish();
 286         Intent intent = new Intent(this, this.getClass());
 287         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
 288         startActivity(intent);
 289     }
 290     @Override
 291     protected void onResume() {
 292         super.onResume();
 293         setupProfile();
 294     }
 295     public void startEditProfileActivity(MobileLedgerProfile profile) {
 296         Intent intent = new Intent(this, ProfileDetailActivity.class);
 297         Bundle args = new Bundle();
 298         if (profile != null) {
 299             int index = Data.getProfileIndex(profile);
 300             if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 301         }
 302         intent.putExtras(args);
 303         startActivity(intent, args);
 304     }
 305     private void setupProfile() {
 306         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 307         MobileLedgerProfile profile;
 308
 309         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 310
 311         if (Data.profiles.getList().isEmpty()) {
 312             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 313             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 314             return;
 315         }
 316
 317         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 318         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 319
 320         if (profile == null) profile = Data.profiles.get(0);
 321
 322         if (profile == null) throw new AssertionError("profile must have a value");
 323
 324         Data.setCurrentProfile(profile);
 325     }
 326     public void fabNewTransactionClicked(View view) {
 327         Intent intent = new Intent(this, NewTransactionActivity.class);
 328         startActivity(intent);
 329         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 330     }
 331     public void navSettingsClicked(View view) {
 332         Intent intent = new Intent(this, SettingsActivity.class);
 333         startActivity(intent);
 334         drawer.closeDrawers();
 335     }
 336     public void markDrawerItemCurrent(int id) {
 337         TextView item = drawer.findViewById(id);
 338         item.setBackgroundColor(Colors.tableRowDarkBG);
 339
 340         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 341         for (int i = 0; i < actions.getChildCount(); i++) {
 342             View view = actions.getChildAt(i);
 343             if (view.getId() != id) {
 344                 view.setBackgroundColor(Color.TRANSPARENT);
 345             }
 346         }
 347     }
 348     public void onAccountSummaryClicked(View view) {
 349         drawer.closeDrawers();
 350
 351         showAccountSummaryFragment();
 352     }
 353     private void showAccountSummaryFragment() {
 354         mViewPager.setCurrentItem(0, true);
 355         TransactionListFragment.accountFilter.set(null);
 356 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 357 //        accountSummaryFragment = new AccountSummaryFragment();
 358 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 359 //        ft.commit();
 360 //        currentFragment = accountSummaryFragment;
 361     }
 362     public void onLatestTransactionsClicked(View view) {
 363         drawer.closeDrawers();
 364
 365         showTransactionsFragment(null);
 366     }
 367     private void resetFragmentBackStack() {
 368 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 369     }
 370     private void showTransactionsFragment(LedgerAccount account) {
 371         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 372         mViewPager.setCurrentItem(1, true);
 373 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 374 //        if (transactionListFragment == null) {
 375 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 376 //            transactionListFragment = new TransactionListFragment();
 377 //        }
 378 //        Bundle bundle = new Bundle();
 379 //        if (account != null) {
 380 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 381 //                    account.getName());
 382 //        }
 383 //        transactionListFragment.setArguments(bundle);
 384 //        ft.replace(R.id.root_frame, transactionListFragment);
 385 //        if (account != null)
 386 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 387 //        ft.commit();
 388 //
 389 //        currentFragment = transactionListFragment;
 390     }
 391     public void showAccountTransactions(LedgerAccount account) {
 392         showTransactionsFragment(account);
 393     }
 394     @Override
 395     public void onBackPressed() {
 396         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 397         if (drawer.isDrawerOpen(GravityCompat.START)) {
 398             drawer.closeDrawer(GravityCompat.START);
 399         }
 400         else {
 401             Log.d("fragments",
 402                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 403
 404             super.onBackPressed();
 405         }
 406     }
 407     public void updateLastUpdateTextFromDB() {
 408         {
 409             final MobileLedgerProfile profile = Data.profile.get();
 410             long last_update =
 411                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 412
 413             Log.d("transactions", String.format("Last update = %d", last_update));
 414             if (last_update == 0) {
 415                 Data.lastUpdateDate.set(null);
 416             }
 417             else {
 418                 Data.lastUpdateDate.set(new Date(last_update));
 419             }
 420         }
 421     }
 422     public void scheduleTransactionListRetrieval() {
 423         if (Data.profile.get() == null) return;
 424
 425         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 426
 427         retrieveTransactionsTask.execute();
 428     }
 429     public void onStopTransactionRefreshClick(View view) {
 430         Log.d("interactive", "Cancelling transactions refresh");
 431         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 432         bTransactionListCancelDownload.setEnabled(false);
 433     }
 434     public void onRetrieveDone(String error) {
 435         progressLayout.setVisibility(View.GONE);
 436
 437         if (error == null) {
 438             updateLastUpdateTextFromDB();
 439
 440             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 441         }
 442         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 443     }
 444     public void onRetrieveStart() {
 445         bTransactionListCancelDownload.setEnabled(true);
 446         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 447         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 448         progressBar.setIndeterminate(true);
 449         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 450         else progressBar.setProgress(0);
 451         progressLayout.setVisibility(View.VISIBLE);
 452     }
 453     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 454         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 455             (progress.getTotal() == 0))
 456         {
 457             progressBar.setIndeterminate(true);
 458         }
 459         else {
 460             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 461                 progressBar.setMin(0);
 462             }
 463             progressBar.setMax(progress.getTotal());
 464             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 465                 progressBar.setProgress(progress.getProgress(), true);
 466             }
 467             else progressBar.setProgress(progress.getProgress());
 468             progressBar.setIndeterminate(false);
 469         }
 470     }
 471     public void fabShouldShow() {
 472         MobileLedgerProfile profile = Data.profile.get();
 473         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 474     }
 475     public void navProfilesHeadClicked(View view) {
 476         if (profileListExpanded) {
 477             collapseProfileList();
 478         }
 479         else {
 480             expandProfileList();
 481         }
 482     }
 483     private void expandProfileList() {
 484         profileListExpanded = true;
 485
 486
 487         profileListContainer.setVisibility(View.VISIBLE);
 488         profileListContainer.startAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_down));
 489         profileListHeadArrow.startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180));
 490         profileListHeadMore.setVisibility(View.VISIBLE);
 491         profileListHeadMore.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in));
 492     }
 493     private void collapseProfileList() {
 494         profileListExpanded = false;
 495
 496         final Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_up);
 497         animation.setAnimationListener(new Animation.AnimationListener() {
 498             @Override
 499             public void onAnimationStart(Animation animation) {
 500
 501             }
 502             @Override
 503             public void onAnimationEnd(Animation animation) {
 504                 profileListContainer.setVisibility(View.GONE);
 505             }
 506             @Override
 507             public void onAnimationRepeat(Animation animation) {
 508
 509             }
 510         });
 511         mProfileListAdapter.stopEditingProfiles();
 512
 513         profileListContainer.startAnimation(animation);
 514         profileListHeadArrow.setRotation(0f);
 515         profileListHeadArrow
 516                 .startAnimation(AnimationUtils.loadAnimation(this, R.anim.rotate_180_back));
 517         profileListHeadMore.setVisibility(View.GONE);
 518     }
 519     public void onProfileRowClicked(View v) {
 520         Data.setCurrentProfile((MobileLedgerProfile) v.getTag());
 521     }
 522     public void enableProfileModifications() {
 523         profileModificationEnabled = true;
 524         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 525         for (int i = 0; i < profileList.getChildCount(); i++) {
 526             View aRow = profileList.getChildAt(i);
 527             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.VISIBLE);
 528             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.VISIBLE);
 529         }
 530         // FIXME enable rearranging
 531
 532     }
 533     public void disableProfileModifications() {
 534         profileModificationEnabled = false;
 535         ViewGroup profileList = findViewById(R.id.nav_profile_list);
 536         for (int i = 0; i < profileList.getChildCount(); i++) {
 537             View aRow = profileList.getChildAt(i);
 538             aRow.findViewById(R.id.profile_list_edit_button).setVisibility(View.GONE);
 539             aRow.findViewById(R.id.profile_list_rearrange_handle).setVisibility(View.GONE);
 540         }
 541         // FIXME disable rearranging
 542
 543     }
 544
 545     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 546
 547         public SectionsPagerAdapter(FragmentManager fm) {
 548             super(fm);
 549         }
 550
 551         @Override
 552         public Fragment getItem(int position) {
 553             Log.d("main", String.format("Switching to fragment %d", position));
 554             switch (position) {
 555                 case 0:
 556                     return new AccountSummaryFragment();
 557                 case 1:
 558                     return new TransactionListFragment();
 559                 default:
 560                     throw new IllegalStateException(
 561                             String.format("Unexpected fragment index: " + "%d", position));
 562             }
 563         }
 564
 565         @Override
 566         public int getCount() {
 567             return 2;
 568         }
 569     }
 570
 571 }