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