app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger 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  * Mobile-Ledger 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 Mobile-Ledger. 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.os.Build;
  23 import android.os.Bundle;
  24 import android.preference.PreferenceManager;
  25 import android.support.annotation.ColorInt;
  26 import android.support.v4.app.Fragment;
  27 import android.support.v4.app.FragmentManager;
  28 import android.support.v4.app.FragmentPagerAdapter;
  29 import android.support.v4.view.GravityCompat;
  30 import android.support.v4.view.ViewPager;
  31 import android.support.v4.widget.DrawerLayout;
  32 import android.support.v7.app.ActionBarDrawerToggle;
  33 import android.support.v7.app.AppCompatActivity;
  34 import android.support.v7.widget.Toolbar;
  35 import android.util.Log;
  36 import android.view.ContextMenu;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.widget.LinearLayout;
  40 import android.widget.ProgressBar;
  41 import android.widget.TextView;
  42
  43 import net.ktnx.mobileledger.R;
  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.ui.MobileLedgerListFragment;
  48 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  49 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  50 import net.ktnx.mobileledger.utils.MLDB;
  51
  52 import java.lang.ref.WeakReference;
  53 import java.time.ZoneId;
  54 import java.time.format.DateTimeFormatter;
  55 import java.util.Date;
  56 import java.util.Observable;
  57 import java.util.Observer;
  58
  59 public class MainActivity extends AppCompatActivity {
  60     public MobileLedgerListFragment currentFragment = null;
  61     DrawerLayout drawer;
  62     private AccountSummaryFragment accountSummaryFragment;
  63     private TransactionListFragment transactionListFragment;
  64     private FragmentManager fragmentManager;
  65     private TextView tvLastUpdate;
  66     private RetrieveTransactionsTask retrieveTransactionsTask;
  67     private View bTransactionListCancelDownload;
  68     private ProgressBar progressBar;
  69     private LinearLayout progressLayout;
  70     private SectionsPagerAdapter mSectionsPagerAdapter;
  71     private ViewPager mViewPager;
  72
  73     @Override
  74     protected void onStart() {
  75         super.onStart();
  76
  77         Data.lastUpdateDate.set(null);
  78         updateLastUpdateTextFromDB();
  79         Date lastUpdate = Data.lastUpdateDate.get();
  80
  81         long now = new Date().getTime();
  82         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  83             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  84             else Log.d("db",
  85                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  86                             lastUpdate.getTime() / 1000f, now / 1000f));
  87
  88             scheduleTransactionListRetrieval();
  89         }
  90     }
  91     @Override
  92     protected void onCreate(Bundle savedInstanceState) {
  93         super.onCreate(savedInstanceState);
  94         setContentView(R.layout.activity_main);
  95         Toolbar toolbar = findViewById(R.id.toolbar);
  96         setSupportActionBar(toolbar);
  97
  98         drawer = findViewById(R.id.drawer_layout);
  99         ActionBarDrawerToggle toggle =
 100                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 101                         R.string.navigation_drawer_close);
 102         drawer.addDrawerListener(toggle);
 103         toggle.syncState();
 104
 105         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
 106
 107         try {
 108             PackageInfo pi =
 109                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 110             ver.setText(pi.versionName);
 111         }
 112         catch (Exception e) {
 113             e.printStackTrace();
 114         }
 115
 116         tvLastUpdate = findViewById(R.id.transactions_last_update);
 117
 118         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 119         progressBar = findViewById(R.id.transaction_list_progress_bar);
 120         if (progressBar == null)
 121             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 122         progressLayout = findViewById(R.id.transaction_progress_layout);
 123         if (progressLayout == null) throw new RuntimeException(
 124                 "Can't get hold on the transaction value progress bar layout");
 125
 126         fragmentManager = getSupportFragmentManager();
 127         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 128
 129         mViewPager = findViewById(R.id.root_frame);
 130         mViewPager.setAdapter(mSectionsPagerAdapter);
 131         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener(){
 132             @Override
 133             public void onPageSelected(int position) {
 134                 switch (position) {
 135                     case 0:
 136                         markDrawerItemCurrent(R.id.nav_account_summary);
 137                         break;
 138                     case 1:
 139                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 140                         break;
 141                     default:
 142                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 143                 }
 144
 145                 super.onPageSelected(position);
 146             }
 147         });
 148
 149         Data.lastUpdateDate.addObserver(new Observer() {
 150             @Override
 151             public void update(Observable o, Object arg) {
 152                 Log.d("main", "lastUpdateDate changed");
 153                 runOnUiThread(() -> {
 154                     Date date = Data.lastUpdateDate.get();
 155                     if (date == null) {
 156                         tvLastUpdate.setText(R.string.transaction_last_update_never);
 157                     }
 158                     else {
 159                         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 160                             tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 161                                     .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 162                         }
 163                         else {
 164                             tvLastUpdate.setText(date.toLocaleString());
 165                         }
 166                     }
 167                 });
 168             }
 169         });
 170
 171         Data.ledgerTitle.addObserver(new Observer() {
 172             @Override
 173             public void update(Observable o, Object arg) {
 174                 runOnUiThread(() -> {
 175                     String title = Data.ledgerTitle.get();
 176                     if (title == null) toolbar.setSubtitle("");
 177                     else toolbar.setSubtitle(title);
 178                 });
 179             }
 180         });
 181     }
 182     public void fab_new_transaction_clicked(View view) {
 183         Intent intent = new Intent(this, NewTransactionActivity.class);
 184         startActivity(intent);
 185         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 186     }
 187
 188     public void nav_exit_clicked(View view) {
 189         Log.w("app", "exiting");
 190         finish();
 191     }
 192
 193     public void nav_settings_clicked(View view) {
 194         Intent intent = new Intent(this, SettingsActivity.class);
 195         startActivity(intent);
 196     }
 197     public void markDrawerItemCurrent(int id) {
 198         TextView item = drawer.findViewById(id);
 199         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 200             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 201         }
 202         else {
 203             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 204         }
 205
 206         setTitle(item.getText());
 207
 208         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 209
 210         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 211         for (int i = 0; i < actions.getChildCount(); i++) {
 212             View view = actions.getChildAt(i);
 213             if (view.getId() != id) {
 214                 view.setBackgroundColor(transparent);
 215             }
 216         }
 217     }
 218     public void onOptionsMenuClicked(MenuItem menuItem) {
 219         ContextMenu.ContextMenuInfo info = menuItem.getMenuInfo();
 220         switch (menuItem.getItemId()) {
 221             case R.id.menu_acc_summary_cancel_selection:
 222                 if (accountSummaryFragment != null)
 223                     accountSummaryFragment.onCancelAccSelection(menuItem);
 224                 break;
 225             case R.id.menu_acc_summary_confirm_selection:
 226                 if (accountSummaryFragment != null)
 227                     accountSummaryFragment.onConfirmAccSelection(menuItem);
 228                 break;
 229             case R.id.menu_acc_summary_only_starred:
 230                 if (accountSummaryFragment != null)
 231                     accountSummaryFragment.onShowOnlyStarredClicked(menuItem);
 232                 break;
 233             case R.id.menu_transaction_list_filter:
 234                 if (transactionListFragment != null)
 235                     transactionListFragment.onShowFilterClick(menuItem);
 236                 break;
 237             default:
 238                 Log.e("menu", String.format("Menu item %d not handled", menuItem.getItemId()));
 239         }
 240     }
 241     public void onViewClicked(View view) {
 242         switch (view.getId()) {
 243             case R.id.clearAccountNameFilter:
 244                 if (transactionListFragment != null)
 245                     transactionListFragment.onClearAccountNameClick(view);
 246                 break;
 247             default:
 248                 Log.e("click", String.format("View %d click not handled", view.getId()));
 249         }
 250     }
 251     public void onAccountSummaryClicked(View view) {
 252         drawer.closeDrawers();
 253
 254         showAccountSummaryFragment();
 255     }
 256     private void showAccountSummaryFragment() {
 257         mViewPager.setCurrentItem(0, true);
 258 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 259 //        accountSummaryFragment = new AccountSummaryFragment();
 260 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 261 //        ft.commit();
 262 //        currentFragment = accountSummaryFragment;
 263     }
 264     public void onLatestTransactionsClicked(View view) {
 265         drawer.closeDrawers();
 266
 267         showTransactionsFragment(null);
 268     }
 269     private void resetFragmentBackStack() {
 270 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 271     }
 272     private void showTransactionsFragment(LedgerAccount account) {
 273         mViewPager.setCurrentItem(1, true);
 274 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 275 //        if (transactionListFragment == null) {
 276 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 277 //            transactionListFragment = new TransactionListFragment();
 278 //        }
 279 //        Bundle bundle = new Bundle();
 280 //        if (account != null) {
 281 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 282 //                    account.getName());
 283 //        }
 284 //        transactionListFragment.setArguments(bundle);
 285 //        ft.replace(R.id.root_frame, transactionListFragment);
 286 //        if (account != null)
 287 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 288 //        ft.commit();
 289 //
 290 //        currentFragment = transactionListFragment;
 291     }
 292     public void showAccountTransactions(LedgerAccount account) {
 293         showTransactionsFragment(account);
 294     }
 295     @Override
 296     public void onBackPressed() {
 297         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 298         if (drawer.isDrawerOpen(GravityCompat.START)) {
 299             drawer.closeDrawer(GravityCompat.START);
 300         }
 301         else {
 302             Log.d("fragments",
 303                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 304
 305             super.onBackPressed();
 306         }
 307     }
 308     public void updateLastUpdateTextFromDB() {
 309         {
 310             long last_update = MLDB.get_option_value(MLDB.OPT_TRANSACTION_LIST_STAMP, 0L);
 311
 312             Log.d("transactions", String.format("Last update = %d", last_update));
 313             if (last_update == 0) {
 314                 Data.lastUpdateDate.set(null);
 315             }
 316             else {
 317                 Data.lastUpdateDate.set(new Date(last_update));
 318             }
 319         }
 320     }
 321     public void scheduleTransactionListRetrieval() {
 322         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 323
 324         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 325                 PreferenceManager.getDefaultSharedPreferences(this));
 326
 327         retrieveTransactionsTask.execute(params);
 328         bTransactionListCancelDownload.setEnabled(true);
 329     }
 330     public void onStopTransactionRefreshClick(View view) {
 331         Log.d("interactive", "Cancelling transactions refresh");
 332         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 333         bTransactionListCancelDownload.setEnabled(false);
 334     }
 335     public void onRetrieveDone(boolean success) {
 336         progressLayout.setVisibility(View.GONE);
 337         updateLastUpdateTextFromDB();
 338     }
 339     public void onRetrieveStart() {
 340         progressBar.setIndeterminate(true);
 341         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 342         else progressBar.setProgress(0);
 343         progressLayout.setVisibility(View.VISIBLE);
 344     }
 345     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 346         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 347             (progress.getTotal() == 0))
 348         {
 349             progressBar.setIndeterminate(true);
 350         }
 351         else {
 352             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 353                 progressBar.setMin(0);
 354             }
 355             progressBar.setMax(progress.getTotal());
 356             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 357                 progressBar.setProgress(progress.getProgress(), true);
 358             }
 359             else progressBar.setProgress(progress.getProgress());
 360             progressBar.setIndeterminate(false);
 361         }
 362     }
 363     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 364
 365         public SectionsPagerAdapter(FragmentManager fm) {
 366             super(fm);
 367         }
 368
 369         @Override
 370         public Fragment getItem(int position) {
 371             Log.d("main", String.format("Switching to gragment %d", position));
 372             switch (position) {
 373                 case 0:
 374                     return new AccountSummaryFragment();
 375                 case 1:
 376                     return new TransactionListFragment();
 377                 default:
 378                     throw new IllegalStateException(
 379                             String.format("Unexpected fragment index: " + "%d", position));
 380             }
 381         }
 382
 383         @Override
 384         public int getCount() {
 385             return 2;
 386         }
 387     }
 388
 389 }