app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.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.account_summary;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.content.Context;
  22 import android.content.SharedPreferences;
  23 import android.os.Bundle;
  24 import android.preference.PreferenceManager;
  25 import android.support.annotation.NonNull;
  26 import android.support.annotation.Nullable;
  27 import android.support.design.widget.FloatingActionButton;
  28 import android.support.v7.widget.LinearLayoutManager;
  29 import android.support.v7.widget.RecyclerView;
  30 import android.util.Log;
  31 import android.view.LayoutInflater;
  32 import android.view.Menu;
  33 import android.view.MenuInflater;
  34 import android.view.MenuItem;
  35 import android.view.View;
  36 import android.view.ViewGroup;
  37
  38 import net.ktnx.mobileledger.R;
  39 import net.ktnx.mobileledger.async.RetrieveAccountsTask;
  40 import net.ktnx.mobileledger.model.Data;
  41 import net.ktnx.mobileledger.model.LedgerAccount;
  42 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  43 import net.ktnx.mobileledger.ui.RecyclerItemListener;
  44 import net.ktnx.mobileledger.ui.activity.MainActivity;
  45 import net.ktnx.mobileledger.utils.MLDB;
  46
  47 import java.lang.ref.WeakReference;
  48 import java.util.Date;
  49 import java.util.List;
  50 import java.util.Observable;
  51 import java.util.Observer;
  52
  53 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  54
  55 public class AccountSummaryFragment extends MobileLedgerListFragment {
  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     private FloatingActionButton fab;
  65     private Observer backgroundTaskCountObserver;
  66     @Override
  67     public void onDestroy() {
  68         if(backgroundTaskCountObserver!= null) {
  69             Log.d("acc", "destroying background task count observer");
  70             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  71         }
  72         super.onDestroy();
  73     }
  74     @Override
  75     public void onCreate(@Nullable Bundle savedInstanceState) {
  76         super.onCreate(savedInstanceState);
  77         setHasOptionsMenu(true);
  78
  79         if (backgroundTaskCountObserver == null) {
  80             Log.d("acc", "creating background task count observer");
  81             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  82                 @Override
  83                 public void update(Observable o, Object arg) {
  84                     if (mActivity == null) return;
  85                     if (swiper == null) return;
  86                     mActivity.runOnUiThread(new Runnable() {
  87                         @Override
  88                         public void run() {
  89                             int cnt = Data.backgroundTaskCount.get();
  90                             Log.d("acc", String.format("background task count changed to %d", cnt));
  91                             swiper.setRefreshing(cnt > 0);
  92                         }
  93                     });
  94                 }
  95             });
  96         }
  97     }
  98     public void onAttach(Context context) {
  99         super.onAttach(context);
 100         mActivity = (MainActivity) context;
 101     }
 102     @Override
 103     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 104                              @Nullable Bundle savedInstanceState) {
 105         return inflater.inflate(R.layout.account_summary_fragment, container, false);
 106     }
 107
 108     @Override
 109     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 110         super.onActivityCreated(savedInstanceState);
 111
 112         mActivity.markDrawerItemCurrent(R.id.nav_account_summary);
 113
 114         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 115         List<LedgerAccount> accounts = model.getAccounts(this.getContext());
 116         modelAdapter = new AccountSummaryAdapter(accounts);
 117
 118         RecyclerView root = mActivity.findViewById(R.id.account_root);
 119         root.setAdapter(modelAdapter);
 120
 121         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 122         llm.setOrientation(LinearLayoutManager.VERTICAL);
 123         root.setLayoutManager(llm);
 124
 125         fab = mActivity.findViewById(R.id.btn_add_transaction);
 126
 127         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 128                 new RecyclerItemListener.RecyclerTouchListener() {
 129                     @Override
 130                     public void onClickItem(View v, int position) {
 131                         Log.d("value", String.format("item %d clicked", position));
 132                         if (modelAdapter.isSelectionActive()) {
 133                             modelAdapter.selectItem(position);
 134                         }
 135                         else {
 136                             List<LedgerAccount> accounts = model.getAccounts(mActivity);
 137                             if (accounts != null) {
 138                                 LedgerAccount account = accounts.get(position);
 139
 140                                 mActivity.showAccountTransactions(account);
 141                             }
 142                         }
 143                     }
 144
 145                     @Override
 146                     public void onLongClickItem(View v, int position) {
 147                         Log.d("value", String.format("item %d long-clicked", position));
 148                         modelAdapter.startSelection();
 149                         if (optMenu != null) {
 150                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 151                                     .setVisible(true);
 152                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 153                                     .setVisible(true);
 154                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 155                         }
 156                         {
 157                             if (fab != null) fab.hide();
 158                         }
 159                     }
 160                 }));
 161
 162         fab.show();
 163         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 164             @Override
 165             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 166                 if (fab != null) {
 167                     if (dy < 0) fab.show();
 168                     if (dy > 0) fab.hide();
 169                 }
 170             }
 171         });
 172         swiper = mActivity.findViewById(R.id.account_swiper);
 173         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 174         swiper.setOnRefreshListener(() -> {
 175             Log.d("ui", "refreshing accounts via swipe");
 176             update_accounts(true);
 177         });
 178
 179         Data.accounts.addObserver(new Observer() {
 180             @Override
 181             public void update(Observable o, Object arg) {
 182                 mActivity.runOnUiThread(new Runnable() {
 183                     @Override
 184                     public void run() {
 185                         modelAdapter.notifyDataSetChanged();
 186                     }
 187                 });
 188             }
 189         });
 190         update_account_table();
 191     }
 192
 193     private void update_accounts(boolean force) {
 194         long now = new Date().getTime();
 195         if ((now > (account_list_last_updated + (24 * 3600 * 1000))) || force) {
 196             Log.d("db",
 197                     "accounts last updated at " + account_list_last_updated + " and now is " + now +
 198                     ". re-fetching");
 199             update_accounts();
 200         }
 201     }
 202
 203     private void update_accounts() {
 204         RetrieveAccountsTask task = new RetrieveAccountsTask(new WeakReference<>(mActivity));
 205
 206         task.setPref(PreferenceManager.getDefaultSharedPreferences(mActivity));
 207         task.execute();
 208
 209     }
 210     private void update_account_table() {
 211         if (this.getContext() == null) return;
 212
 213         model.reloadAccounts(this.getContext());
 214         modelAdapter.notifyDataSetChanged();
 215     }
 216     public void onShowOnlyStarredClicked(MenuItem mi) {
 217         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 218         boolean flag = pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false);
 219
 220         SharedPreferences.Editor editor = pref.edit();
 221         editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 222         Log.d("pref", "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 223         editor.apply();
 224
 225         update_account_table();
 226     }
 227
 228     void stopSelection() {
 229         modelAdapter.stopSelection();
 230         if (optMenu != null) {
 231             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 232             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 233             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 234         }
 235         {
 236             if (fab != null) fab.show();
 237         }
 238     }
 239     public void onCancelAccSelection(MenuItem item) {
 240         stopSelection();
 241     }
 242     public void onConfirmAccSelection(MenuItem item) {
 243         model.commitSelections(mActivity);
 244         stopSelection();
 245     }
 246     @Override
 247     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 248         // Inflate the menu; this adds items to the action bar if it is present.
 249         inflater.inflate(R.menu.account_summary, menu);
 250         optMenu = menu;
 251
 252         mShowHiddenAccounts = menu.findItem(R.id.menu_acc_summary_only_starred);
 253         if (mShowHiddenAccounts == null) throw new AssertionError();
 254
 255         sBindPreferenceSummaryToValueListener = (preference, value) -> mShowHiddenAccounts
 256                 .setChecked(preference.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 257         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 258         pref.registerOnSharedPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
 259
 260         mShowHiddenAccounts.setChecked(pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 261
 262         Log.d("menu", "MainActivity: onCreateOptionsMenu called");
 263     }
 264 }