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