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.model.Data;
  40 import net.ktnx.mobileledger.model.LedgerAccount;
  41 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  42 import net.ktnx.mobileledger.ui.RecyclerItemListener;
  43 import net.ktnx.mobileledger.ui.activity.MainActivity;
  44
  45 import java.util.List;
  46 import java.util.Observable;
  47 import java.util.Observer;
  48
  49 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  50
  51 public class AccountSummaryFragment extends MobileLedgerListFragment {
  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 AccountSummaryViewModel model;
  58     private AccountSummaryAdapter modelAdapter;
  59     private Menu optMenu;
  60     private FloatingActionButton fab;
  61     private Observer backgroundTaskCountObserver;
  62     @Override
  63     public void onDestroy() {
  64         if(backgroundTaskCountObserver!= null) {
  65             Log.d("acc", "destroying background task count observer");
  66             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  67         }
  68         super.onDestroy();
  69     }
  70     @Override
  71     public void onCreate(@Nullable Bundle savedInstanceState) {
  72         super.onCreate(savedInstanceState);
  73         setHasOptionsMenu(true);
  74
  75         if (backgroundTaskCountObserver == null) {
  76             Log.d("acc", "creating background task count observer");
  77             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  78                 @Override
  79                 public void update(Observable o, Object arg) {
  80                     if (mActivity == null) return;
  81                     if (swiper == null) return;
  82                     mActivity.runOnUiThread(() -> {
  83                         int cnt = Data.backgroundTaskCount.get();
  84                         Log.d("acc", String.format("background task count changed to %d", cnt));
  85                         swiper.setRefreshing(cnt > 0);
  86                     });
  87                 }
  88             });
  89         }
  90     }
  91     public void onAttach(Context context) {
  92         super.onAttach(context);
  93         mActivity = (MainActivity) context;
  94     }
  95     @Override
  96     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  97                              @Nullable Bundle savedInstanceState) {
  98         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  99     }
 100
 101     @Override
 102     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 103         super.onActivityCreated(savedInstanceState);
 104
 105         mActivity.markDrawerItemCurrent(R.id.nav_account_summary);
 106
 107         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 108         modelAdapter = new AccountSummaryAdapter();
 109
 110         RecyclerView root = mActivity.findViewById(R.id.account_root);
 111         root.setAdapter(modelAdapter);
 112
 113         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 114         llm.setOrientation(LinearLayoutManager.VERTICAL);
 115         root.setLayoutManager(llm);
 116
 117         fab = mActivity.findViewById(R.id.btn_add_transaction);
 118
 119         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 120                 new RecyclerItemListener.RecyclerTouchListener() {
 121                     @Override
 122                     public void onClickItem(View v, int position) {
 123                         Log.d("value", String.format("item %d clicked", position));
 124                         if (modelAdapter.isSelectionActive()) {
 125                             modelAdapter.selectItem(position);
 126                         }
 127                         else {
 128                             List<LedgerAccount> accounts = Data.accounts.get();
 129                             if (accounts != null) {
 130                                 LedgerAccount account = accounts.get(position);
 131
 132                                 mActivity.showAccountTransactions(account);
 133                             }
 134                         }
 135                     }
 136
 137                     @Override
 138                     public void onLongClickItem(View v, int position) {
 139                         Log.d("value", String.format("item %d long-clicked", position));
 140                         modelAdapter.startSelection();
 141                         if (optMenu != null) {
 142                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 143                                     .setVisible(true);
 144                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 145                                     .setVisible(true);
 146                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 147                         }
 148                         {
 149                             if (fab != null) fab.hide();
 150                         }
 151                     }
 152                 }));
 153
 154         fab.show();
 155         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 156             @Override
 157             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 158                 if (fab != null) {
 159                     if (dy < 0) fab.show();
 160                     if (dy > 0) fab.hide();
 161                 }
 162             }
 163         });
 164         swiper = mActivity.findViewById(R.id.account_swiper);
 165         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 166         swiper.setOnRefreshListener(() -> {
 167             Log.d("ui", "refreshing accounts via swipe");
 168             mActivity.scheduleTransactionListRetrieval();
 169         });
 170
 171         Data.accounts.addObserver(new Observer() {
 172             @Override
 173             public void update(Observable o, Object arg) {
 174                 mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged());
 175             }
 176         });
 177         update_account_table();
 178     }
 179     private void update_account_table() {
 180         if (this.getContext() == null) return;
 181
 182         model.scheduleAccountListReload(this.getContext());
 183     }
 184     public void onShowOnlyStarredClicked(MenuItem mi) {
 185         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 186         boolean flag = pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false);
 187
 188         SharedPreferences.Editor editor = pref.edit();
 189         editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 190         Log.d("pref", "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 191         editor.apply();
 192
 193         update_account_table();
 194     }
 195
 196     void stopSelection() {
 197         modelAdapter.stopSelection();
 198         if (optMenu != null) {
 199             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 200             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 201             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 202         }
 203         {
 204             if (fab != null) fab.show();
 205         }
 206     }
 207     public void onCancelAccSelection(MenuItem item) {
 208         stopSelection();
 209     }
 210     public void onConfirmAccSelection(MenuItem item) {
 211         AccountSummaryViewModel.commitSelections(mActivity);
 212         stopSelection();
 213     }
 214     @Override
 215     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 216         // Inflate the menu; this adds items to the action bar if it is present.
 217         inflater.inflate(R.menu.account_summary, menu);
 218         optMenu = menu;
 219
 220         mShowHiddenAccounts = menu.findItem(R.id.menu_acc_summary_only_starred);
 221         if (mShowHiddenAccounts == null) throw new AssertionError();
 222
 223         sBindPreferenceSummaryToValueListener = (preference, value) -> mShowHiddenAccounts
 224                 .setChecked(preference.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 225         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 226         pref.registerOnSharedPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
 227
 228         mShowHiddenAccounts.setChecked(pref.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
 229
 230         Log.d("menu", "MainActivity: onCreateOptionsMenu called");
 231     }
 232 }