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