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.Build;
  25 import android.os.Bundle;
  26 import android.support.design.widget.FloatingActionButton;
  27 import android.support.v4.app.Fragment;
  28 import android.support.v4.app.FragmentManager;
  29 import android.support.v4.app.FragmentPagerAdapter;
  30 import android.support.v4.view.GravityCompat;
  31 import android.support.v4.view.ViewPager;
  32 import android.support.v4.widget.DrawerLayout;
  33 import android.support.v7.app.ActionBarDrawerToggle;
  34 import android.support.v7.widget.Toolbar;
  35 import android.util.Log;
  36 import android.view.View;
  37 import android.widget.LinearLayout;
  38 import android.widget.ProgressBar;
  39 import android.widget.TextView;
  40 import android.widget.Toast;
  41
  42 import net.ktnx.mobileledger.R;
  43 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  44 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  45 import net.ktnx.mobileledger.model.Data;
  46 import net.ktnx.mobileledger.model.LedgerAccount;
  47 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  48 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  49 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  50 import net.ktnx.mobileledger.utils.Colors;
  51 import net.ktnx.mobileledger.utils.MLDB;
  52
  53 import java.lang.ref.WeakReference;
  54 import java.text.DateFormat;
  55 import java.util.Date;
  56
  57 public class MainActivity extends CrashReportingActivity {
  58     DrawerLayout drawer;
  59     private FragmentManager fragmentManager;
  60     private TextView tvLastUpdate;
  61     private RetrieveTransactionsTask retrieveTransactionsTask;
  62     private View bTransactionListCancelDownload;
  63     private ProgressBar progressBar;
  64     private LinearLayout progressLayout;
  65     private SectionsPagerAdapter mSectionsPagerAdapter;
  66     private ViewPager mViewPager;
  67     private FloatingActionButton fab;
  68
  69     @Override
  70     protected void onStart() {
  71         super.onStart();
  72
  73         Data.lastUpdateDate.set(null);
  74         updateLastUpdateTextFromDB();
  75         Date lastUpdate = Data.lastUpdateDate.get();
  76
  77         long now = new Date().getTime();
  78         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  79             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  80             else Log.d("db",
  81                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  82                             lastUpdate.getTime() / 1000f, now / 1000f));
  83
  84             scheduleTransactionListRetrieval();
  85         }
  86     }
  87     @Override
  88     protected void onCreate(Bundle savedInstanceState) {
  89         super.onCreate(savedInstanceState);
  90         setContentView(R.layout.activity_main);
  91         Toolbar toolbar = findViewById(R.id.toolbar);
  92         setSupportActionBar(toolbar);
  93         fab = findViewById(R.id.btn_add_transaction);
  94
  95         Data.profile.addObserver((o, arg) -> {
  96             MobileLedgerProfile profile = Data.profile.get();
  97             runOnUiThread(() -> {
  98                 if (profile == null) setTitle(R.string.app_name);
  99                 else setTitle(profile.getName());
 100                 updateLastUpdateTextFromDB();
 101                 if (profile.isPostingPermitted()) {
 102                     toolbar.setSubtitle(null);
 103                     fab.show();
 104                 }
 105                 else {
 106                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 107                     fab.hide();
 108                 }
 109
 110                 int newProfileTheme = profile.getThemeId();
 111                 if (newProfileTheme != Colors.profileThemeId) {
 112                     Log.d("profiles", String.format("profile theme %d → %d", Colors.profileThemeId,
 113                             newProfileTheme));
 114                     profileThemeChanged();
 115                     Colors.profileThemeId = newProfileTheme;
 116                 }
 117             });
 118         });
 119
 120         drawer = findViewById(R.id.drawer_layout);
 121         ActionBarDrawerToggle toggle =
 122                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 123                         R.string.navigation_drawer_close);
 124         drawer.addDrawerListener(toggle);
 125         toggle.syncState();
 126
 127         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 128
 129         try {
 130             PackageInfo pi =
 131                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 132             ver.setText(pi.versionName);
 133         }
 134         catch (Exception e) {
 135             e.printStackTrace();
 136         }
 137
 138         tvLastUpdate = findViewById(R.id.transactions_last_update);
 139
 140         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 141         progressBar = findViewById(R.id.transaction_list_progress_bar);
 142         if (progressBar == null)
 143             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 144         progressLayout = findViewById(R.id.transaction_progress_layout);
 145         if (progressLayout == null) throw new RuntimeException(
 146                 "Can't get hold on the transaction value progress bar layout");
 147
 148         fragmentManager = getSupportFragmentManager();
 149         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 150
 151         markDrawerItemCurrent(R.id.nav_account_summary);
 152
 153         mViewPager = findViewById(R.id.root_frame);
 154         mViewPager.setAdapter(mSectionsPagerAdapter);
 155         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 156             @Override
 157             public void onPageSelected(int position) {
 158                 switch (position) {
 159                     case 0:
 160                         markDrawerItemCurrent(R.id.nav_account_summary);
 161                         break;
 162                     case 1:
 163                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 164                         break;
 165                     default:
 166                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 167                 }
 168
 169                 super.onPageSelected(position);
 170             }
 171         });
 172
 173         Data.lastUpdateDate.addObserver((o, arg) -> {
 174             Log.d("main", "lastUpdateDate changed");
 175             runOnUiThread(() -> {
 176                 Date date = Data.lastUpdateDate.get();
 177                 if (date == null) {
 178                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 179                 }
 180                 else {
 181                     final String text = DateFormat.getDateTimeInstance().format(date);
 182                     tvLastUpdate.setText(text);
 183                     Log.d("despair", String.format("Date formatted: %s", text));
 184                 }
 185             });
 186         });
 187
 188         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 189
 190         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 191     }
 192     private void profileThemeChanged() {
 193         setupProfileColors();
 194
 195         // restart activity to reflect theme change
 196         finish();
 197         Intent intent = new Intent(this, this.getClass());
 198         startActivity(intent);
 199     }
 200     @Override
 201     protected void onResume() {
 202         super.onResume();
 203         setupProfile();
 204     }
 205     private void startAddProfileActivity() {
 206         Intent intent = new Intent(this, ProfileListActivity.class);
 207         Bundle args = new Bundle();
 208         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 209         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 210         intent.putExtras(args);
 211         startActivity(intent, args);
 212     }
 213     private void setupProfile() {
 214         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 215         MobileLedgerProfile profile;
 216
 217         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 218
 219         if (Data.profiles.getList().isEmpty()) {
 220             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 221             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 222             return;
 223         }
 224
 225         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 226         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 227
 228         if (profile == null) profile = Data.profiles.get(0);
 229
 230         if (profile == null) throw new AssertionError("profile must have a value");
 231
 232         Data.setCurrentProfile(profile);
 233     }
 234     public void fabNewTransactionClicked(View view) {
 235         Intent intent = new Intent(this, NewTransactionActivity.class);
 236         startActivity(intent);
 237         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 238     }
 239     public void navSettingsClicked(View view) {
 240         Intent intent = new Intent(this, SettingsActivity.class);
 241         startActivity(intent);
 242         drawer.closeDrawers();
 243     }
 244     public void markDrawerItemCurrent(int id) {
 245         TextView item = drawer.findViewById(id);
 246         item.setBackgroundColor(Colors.tableRowDarkBG);
 247
 248         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 249         for (int i = 0; i < actions.getChildCount(); i++) {
 250             View view = actions.getChildAt(i);
 251             if (view.getId() != id) {
 252                 view.setBackgroundColor(Color.TRANSPARENT);
 253             }
 254         }
 255     }
 256     public void onAccountSummaryClicked(View view) {
 257         drawer.closeDrawers();
 258
 259         showAccountSummaryFragment();
 260     }
 261     private void showAccountSummaryFragment() {
 262         mViewPager.setCurrentItem(0, true);
 263         TransactionListFragment.accountFilter.set(null);
 264 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 265 //        accountSummaryFragment = new AccountSummaryFragment();
 266 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 267 //        ft.commit();
 268 //        currentFragment = accountSummaryFragment;
 269     }
 270     public void onLatestTransactionsClicked(View view) {
 271         drawer.closeDrawers();
 272
 273         showTransactionsFragment(null);
 274     }
 275     private void resetFragmentBackStack() {
 276 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 277     }
 278     private void showTransactionsFragment(LedgerAccount account) {
 279         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 280         mViewPager.setCurrentItem(1, true);
 281 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 282 //        if (transactionListFragment == null) {
 283 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 284 //            transactionListFragment = new TransactionListFragment();
 285 //        }
 286 //        Bundle bundle = new Bundle();
 287 //        if (account != null) {
 288 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 289 //                    account.getName());
 290 //        }
 291 //        transactionListFragment.setArguments(bundle);
 292 //        ft.replace(R.id.root_frame, transactionListFragment);
 293 //        if (account != null)
 294 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 295 //        ft.commit();
 296 //
 297 //        currentFragment = transactionListFragment;
 298     }
 299     public void showAccountTransactions(LedgerAccount account) {
 300         showTransactionsFragment(account);
 301     }
 302     @Override
 303     public void onBackPressed() {
 304         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 305         if (drawer.isDrawerOpen(GravityCompat.START)) {
 306             drawer.closeDrawer(GravityCompat.START);
 307         }
 308         else {
 309             Log.d("fragments",
 310                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 311
 312             super.onBackPressed();
 313         }
 314     }
 315     public void updateLastUpdateTextFromDB() {
 316         {
 317             final MobileLedgerProfile profile = Data.profile.get();
 318             long last_update =
 319                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 320
 321             Log.d("transactions", String.format("Last update = %d", last_update));
 322             if (last_update == 0) {
 323                 Data.lastUpdateDate.set(null);
 324             }
 325             else {
 326                 Data.lastUpdateDate.set(new Date(last_update));
 327             }
 328         }
 329     }
 330     public void scheduleTransactionListRetrieval() {
 331         if (Data.profile.get() == null) return;
 332
 333         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 334
 335         retrieveTransactionsTask.execute();
 336         bTransactionListCancelDownload.setEnabled(true);
 337     }
 338     public void onStopTransactionRefreshClick(View view) {
 339         Log.d("interactive", "Cancelling transactions refresh");
 340         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 341         bTransactionListCancelDownload.setEnabled(false);
 342     }
 343     public void onRetrieveDone(String error) {
 344         progressLayout.setVisibility(View.GONE);
 345
 346         if (error == null) {
 347             updateLastUpdateTextFromDB();
 348
 349             new RefreshDescriptionsTask().execute();
 350         }
 351         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 352     }
 353     public void onRetrieveStart() {
 354         progressBar.setIndeterminateTintList(ColorStateList.valueOf(Colors.primary));
 355         progressBar.setProgressTintList(ColorStateList.valueOf(Colors.primary));
 356         progressBar.setIndeterminate(true);
 357         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 358         else progressBar.setProgress(0);
 359         progressLayout.setVisibility(View.VISIBLE);
 360     }
 361     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 362         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 363             (progress.getTotal() == 0))
 364         {
 365             progressBar.setIndeterminate(true);
 366         }
 367         else {
 368             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 369                 progressBar.setMin(0);
 370             }
 371             progressBar.setMax(progress.getTotal());
 372             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 373                 progressBar.setProgress(progress.getProgress(), true);
 374             }
 375             else progressBar.setProgress(progress.getProgress());
 376             progressBar.setIndeterminate(false);
 377         }
 378     }
 379     public void navProfilesClicked(View view) {
 380         drawer.closeDrawers();
 381         Intent intent = new Intent(this, ProfileListActivity.class);
 382         startActivity(intent);
 383     }
 384     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 385
 386         public SectionsPagerAdapter(FragmentManager fm) {
 387             super(fm);
 388         }
 389
 390         @Override
 391         public Fragment getItem(int position) {
 392             Log.d("main", String.format("Switching to fragment %d", position));
 393             switch (position) {
 394                 case 0:
 395                     return new AccountSummaryFragment();
 396                 case 1:
 397                     return new TransactionListFragment();
 398                 default:
 399                     throw new IllegalStateException(
 400                             String.format("Unexpected fragment index: " + "%d", position));
 401             }
 402         }
 403
 404         @Override
 405         public int getCount() {
 406             return 2;
 407         }
 408     }
 409     public void fabShouldShow() {
 410         MobileLedgerProfile profile = Data.profile.get();
 411         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 412     }
 413 }