app/src/main/java/net/ktnx/mobileledger/AccountSummary.java

   1 /*
   2  * Copyright © 2018 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;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.content.Intent;
  22 import android.content.SharedPreferences;
  23 import android.content.pm.PackageInfo;
  24 import android.os.Build;
  25 import android.os.Bundle;
  26 import android.preference.PreferenceManager;
  27 import android.support.annotation.NonNull;
  28 import android.support.design.widget.FloatingActionButton;
  29 import android.support.design.widget.Snackbar;
  30 import android.support.v4.view.GravityCompat;
  31 import android.support.v4.widget.DrawerLayout;
  32 import android.support.v4.widget.SwipeRefreshLayout;
  33 import android.support.v7.app.ActionBarDrawerToggle;
  34 import android.support.v7.app.AppCompatActivity;
  35 import android.support.v7.widget.LinearLayoutManager;
  36 import android.support.v7.widget.RecyclerView;
  37 import android.support.v7.widget.Toolbar;
  38 import android.util.Log;
  39 import android.view.Menu;
  40 import android.view.MenuItem;
  41 import android.view.View;
  42 import android.widget.LinearLayout;
  43
  44 import net.ktnx.mobileledger.async.RetrieveAccountsTask;
  45 import net.ktnx.mobileledger.model.LedgerAccount;
  46 import net.ktnx.mobileledger.utils.MLDB;
  47
  48 import java.lang.ref.WeakReference;
  49 import java.util.Date;
  50 import java.util.List;
  51
  52 import static net.ktnx.mobileledger.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  53
  54 public class AccountSummary extends AppCompatActivity {
  55     private static long account_list_last_updated;
  56     private static boolean account_list_needs_update = true;
  57     DrawerLayout drawer;
  58     MenuItem mShowHiddenAccounts;
  59     SharedPreferences.OnSharedPreferenceChangeListener sBindPreferenceSummaryToValueListener;
  60     private AccountSummaryViewModel model;
  61     private AccountSummaryAdapter modelAdapter;
  62     private Menu optMenu;
  63
  64     public static void preferences_changed() {
  65         account_list_needs_update = true;
  66     }
  67
  68     @Override
  69     protected void onCreate(Bundle savedInstanceState) {
  70         super.onCreate(savedInstanceState);
  71         setContentView(R.layout.activity_account_summary);
  72         Toolbar toolbar = findViewById(R.id.toolbar);
  73         setSupportActionBar(toolbar);
  74
  75         drawer = findViewById(R.id.drawer_layout);
  76         ActionBarDrawerToggle toggle =
  77                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
  78                         R.string.navigation_drawer_close);
  79         drawer.addDrawerListener(toggle);
  80         toggle.syncState();
  81
  82         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
  83
  84         try {
  85             PackageInfo pi =
  86                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
  87             ver.setText(pi.versionName);
  88         }
  89         catch (Exception e) {
  90             e.printStackTrace();
  91         }
  92
  93         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
  94         List<LedgerAccount> accounts = model.getAccounts(getApplicationContext());
  95         modelAdapter = new AccountSummaryAdapter(accounts);
  96
  97         RecyclerView root = findViewById(R.id.account_root);
  98         root.setAdapter(modelAdapter);
  99
 100         LinearLayoutManager llm = new LinearLayoutManager(this);
 101         llm.setOrientation(LinearLayoutManager.VERTICAL);
 102         root.setLayoutManager(llm);
 103
 104         root.addOnItemTouchListener(new RecyclerItemListener(this, root,
 105                 new RecyclerItemListener.RecyclerTouchListener() {
 106                     @Override
 107                     public void onClickItem(View v, int position) {
 108                         Log.d("list", String.format("item %d clicked", position));
 109                         if (modelAdapter.isSelectionActive()) {
 110                             modelAdapter.selectItem(position);
 111                         }
 112                     }
 113
 114                     @Override
 115                     public void onLongClickItem(View v, int position) {
 116                         Log.d("list", String.format("item %d long-clicked", position));
 117                         modelAdapter.startSelection();
 118                         if (optMenu != null) {
 119                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 120                                     .setVisible(true);
 121                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 122                                     .setVisible(true);
 123                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 124                         }
 125                         {
 126                             FloatingActionButton fab = findViewById(R.id.btn_add_transaction);
 127                             if (fab != null) fab.hide();
 128                         }
 129                     }
 130                 }));
 131
 132         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 133             @Override
 134             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 135                 if (dy < 0) ((FloatingActionButton) findViewById(R.id.btn_add_transaction)).show();
 136                 if (dy > 0) ((FloatingActionButton) findViewById(R.id.btn_add_transaction)).hide();
 137             }
 138         });
 139         SwipeRefreshLayout swiper = findViewById(R.id.account_swiper);
 140         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 141         swiper.setOnRefreshListener(() -> {
 142             Log.d("ui", "refreshing accounts via swipe");
 143             update_accounts(true);
 144         });
 145         prepare_db();
 146 //        update_account_table();
 147         update_accounts(false);
 148     }
 149
 150     @Override
 151     protected void onStart() {
 152         super.onStart();
 153         LinearLayout grp = drawer.findViewById(R.id.nav_actions);
 154         for (int i = 0; i < grp.getChildCount(); i++) {
 155             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 156                 grp.getChildAt(i).setBackgroundColor(
 157                         getResources().getColor(R.color.drawer_background, getTheme()));
 158             }
 159             else {
 160                 grp.getChildAt(i)
 161                         .setBackgroundColor(getResources().getColor(R.color.drawer_background));
 162             }
 163         }
 164         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 165             drawer.findViewById(R.id.nav_account_summary).setBackgroundColor(
 166                     getResources().getColor(R.color.table_row_even_bg, getTheme()));
 167         }
 168         else {
 169             drawer.findViewById(R.id.nav_account_summary)
 170                     .setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 171         }
 172     }
 173
 174     public void fab_new_transaction_clicked(View view) {
 175         Intent intent = new Intent(this, NewTransactionActivity.class);
 176         startActivity(intent);
 177         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 178     }
 179
 180     public void nav_exit_clicked(View view) {
 181         Log.w("app", "exiting");
 182         finish();
 183     }
 184
 185     public void nav_settings_clicked(View view) {
 186         Intent intent = new Intent(this, SettingsActivity.class);
 187         startActivity(intent);
 188     }
 189     public void onLatestTransactionsClicked(View view) {
 190         Intent intent = new Intent(this, TransactionListActivity.class);
 191         startActivity(intent);
 192     }
 193     @Override
 194     public void onBackPressed() {
 195         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 196         if (drawer.isDrawerOpen(GravityCompat.START)) {
 197             drawer.closeDrawer(GravityCompat.START);
 198         }
 199         else {
 200             super.onBackPressed();
 201         }
 202     }
 203
 204     @Override
 205     public boolean onCreateOptionsMenu(Menu menu) {
 206         // Inflate the menu; this adds items to the action bar if it is present.
 207         getMenuInflater().inflate(R.menu.account_summary, menu);
 208         optMenu = menu;
 209
 210         mShowHiddenAccounts = menu.findItem(R.id.menu_acc_summary_only_starred);
 211         if (mShowHiddenAccounts == null) throw new AssertionError();
 212
 213         sBindPreferenceSummaryToValueListener = (preference, value) -> mShowHiddenAccounts
 214                 .setChecked(preference.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 215         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
 216         pref.registerOnSharedPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
 217
 218         mShowHiddenAccounts.setChecked(pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 219
 220         return true;
 221     }
 222
 223     @Override
 224     public boolean onOptionsItemSelected(MenuItem item) {
 225         // Handle action bar item clicks here. The action bar will
 226         // automatically handle clicks on the Home/Up button, so long
 227         // as you specify a parent activity in AndroidManifest.xml.
 228 //        int id = item.getItemId();
 229
 230         //noinspection SimplifiableIfStatement
 231         //if (id == R.id.action_settings) {
 232         //    return true;
 233         // }
 234
 235         return super.onOptionsItemSelected(item);
 236     }
 237
 238     public void onRefreshAccountSummaryClicked(MenuItem mi) {
 239         update_accounts(true);
 240     }
 241
 242     public void onShowOnlyStarredClicked(MenuItem mi) {
 243         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
 244         boolean flag = pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false);
 245
 246         SharedPreferences.Editor editor = pref.edit();
 247         editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 248         Log.d("pref", "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 249         editor.apply();
 250
 251         update_account_table();
 252     }
 253
 254     private void prepare_db() {
 255         account_list_last_updated = MLDB.get_option_value(this, "last_refresh", (long) 0);
 256     }
 257
 258     private void update_accounts(boolean force) {
 259         long now = new Date().getTime();
 260         if ((now > (account_list_last_updated + (24 * 3600 * 1000))) || force) {
 261             Log.d("db",
 262                     "accounts last updated at " + account_list_last_updated + " and now is " + now +
 263                     ". re-fetching");
 264             update_accounts();
 265         }
 266     }
 267
 268     private void update_accounts() {
 269         RetrieveAccountsTask task = new RetrieveAccountsTask(new WeakReference<>(this));
 270
 271         task.setPref(PreferenceManager.getDefaultSharedPreferences(this));
 272         task.execute();
 273
 274     }
 275     public void onAccountRefreshDone(int error) {
 276         SwipeRefreshLayout srl = findViewById(R.id.account_swiper);
 277         srl.setRefreshing(false);
 278         if (error != 0) {
 279             String err_text = getResources().getString(error);
 280             Log.d("visual", String.format("showing snackbar: %s", err_text));
 281             Snackbar.make(drawer, err_text, Snackbar.LENGTH_LONG).show();
 282         }
 283         else {
 284             MLDB.set_option_value(this, "last_refresh", new Date().getTime());
 285             update_account_table();
 286         }
 287     }
 288     private void update_account_table() {
 289         model.reloadAccounts(getApplicationContext());
 290         modelAdapter.notifyDataSetChanged();
 291     }
 292     void stopSelection() {
 293         modelAdapter.stopSelection();
 294         if (optMenu != null) {
 295             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 296             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 297             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 298         }
 299         {
 300             FloatingActionButton fab = findViewById(R.id.btn_add_transaction);
 301             if (fab != null) fab.show();
 302         }
 303     }
 304     public void onCancelAccSelection(MenuItem item) {
 305         stopSelection();
 306     }
 307     public void onConfirmAccSelection(MenuItem item) {
 308         model.commitSelections(getApplicationContext());
 309         stopSelection();
 310     }
 311 }