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     MenuItem mShowOnlyStarred;
  54     SharedPreferences.OnSharedPreferenceChangeListener sBindPreferenceSummaryToValueListener;
  55     private AccountSummaryViewModel model;
  56     private AccountSummaryAdapter modelAdapter;
  57     private Menu optMenu;
  58     private FloatingActionButton fab;
  59     private Observer backgroundTaskCountObserver;
  60     @Override
  61     public void onDestroy() {
  62         if (backgroundTaskCountObserver != null) {
  63             Log.d("acc", "destroying background task count observer");
  64             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  65         }
  66         super.onDestroy();
  67     }
  68     @Override
  69     public void onCreate(@Nullable Bundle savedInstanceState) {
  70         super.onCreate(savedInstanceState);
  71         setHasOptionsMenu(true);
  72
  73         if (backgroundTaskCountObserver == null) {
  74             Log.d("acc", "creating background task count observer");
  75             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  76                 @Override
  77                 public void update(Observable o, Object arg) {
  78                     if (mActivity == null) return;
  79                     if (swiper == null) return;
  80                     mActivity.runOnUiThread(() -> {
  81                         int cnt = Data.backgroundTaskCount.get();
  82                         Log.d("acc", String.format("background task count changed to %d", cnt));
  83                         swiper.setRefreshing(cnt > 0);
  84                     });
  85                 }
  86             });
  87         }
  88     }
  89     public void onAttach(Context context) {
  90         super.onAttach(context);
  91         mActivity = (MainActivity) context;
  92     }
  93     @Override
  94     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  95                              @Nullable Bundle savedInstanceState) {
  96         Log.d("flow", "AccountSummaryFragment.onCreateView()");
  97         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  98     }
  99
 100     @Override
 101
 102     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 103         Log.d("flow", "AccountSummaryFragment.onActivityCreated()");
 104         super.onActivityCreated(savedInstanceState);
 105
 106         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 107         modelAdapter = new AccountSummaryAdapter();
 108
 109         root = mActivity.findViewById(R.id.account_root);
 110         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 111         llm.setOrientation(LinearLayoutManager.VERTICAL);
 112         root.setLayoutManager(llm);
 113         root.setAdapter(modelAdapter);
 114
 115         fab = mActivity.findViewById(R.id.btn_add_transaction);
 116
 117         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 118                 new RecyclerItemListener.RecyclerTouchListener() {
 119                     @Override
 120                     public void onClickItem(View v, int position) {
 121                         Log.d("value", String.format("item %d clicked", position));
 122                         if (modelAdapter.isSelectionActive()) {
 123                             modelAdapter.selectItem(position);
 124                         }
 125                         else {
 126                             List<LedgerAccount> accounts = Data.accounts.get();
 127                             if (accounts != null) {
 128                                 LedgerAccount account = accounts.get(position);
 129
 130                                 mActivity.showAccountTransactions(account);
 131                             }
 132                         }
 133                     }
 134
 135                     @Override
 136                     public void onLongClickItem(View v, int position) {
 137                         Log.d("value", String.format("item %d long-clicked", position));
 138                         modelAdapter.startSelection();
 139                         if (optMenu != null) {
 140                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 141                                     .setVisible(true);
 142                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 143                                     .setVisible(true);
 144                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 145                         }
 146                         {
 147                             if (fab != null) fab.hide();
 148                         }
 149                     }
 150                 }));
 151
 152         fab.show();
 153         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 154             @Override
 155             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 156                 if (fab != null) {
 157                     if (dy < 0) fab.show();
 158                     if (dy > 0) fab.hide();
 159                 }
 160             }
 161         });
 162         swiper = mActivity.findViewById(R.id.account_swiper);
 163         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 164         swiper.setOnRefreshListener(() -> {
 165             Log.d("ui", "refreshing accounts via swipe");
 166             mActivity.scheduleTransactionListRetrieval();
 167         });
 168
 169         Data.accounts.addObserver(new Observer() {
 170             @Override
 171             public void update(Observable o, Object arg) {
 172                 mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged());
 173             }
 174         });
 175         Data.profile.addObserver(new Observer() {
 176             @Override
 177             public void update(Observable o, Object arg) {
 178                 mActivity.runOnUiThread(() -> model.scheduleAccountListReload(mActivity));
 179             }
 180         });
 181         update_account_table();
 182     }
 183     private void update_account_table() {
 184         if (this.getContext() == null) return;
 185
 186         model.scheduleAccountListReload(this.getContext());
 187     }
 188     void stopSelection() {
 189         modelAdapter.stopSelection();
 190         if (optMenu != null) {
 191             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 192             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 193             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 194         }
 195         {
 196             if (fab != null) fab.show();
 197         }
 198     }
 199     public void onCancelAccSelection(MenuItem item) {
 200         stopSelection();
 201     }
 202     public void onConfirmAccSelection(MenuItem item) {
 203         AccountSummaryViewModel.commitSelections(mActivity);
 204         stopSelection();
 205     }
 206     @Override
 207     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 208         // Inflate the menu; this adds items to the action bar if it is present.
 209         inflater.inflate(R.menu.account_summary, menu);
 210         optMenu = menu;
 211
 212         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 213         if (mShowOnlyStarred == null) throw new AssertionError();
 214
 215         Data.optShowOnlyStarred.addObserver(new Observer() {
 216             @Override
 217             public void update(Observable o, Object arg) {
 218                 boolean newValue = Data.optShowOnlyStarred.get();
 219                 Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 220                 mShowOnlyStarred.setChecked(newValue);
 221                 update_account_table();
 222             }
 223         });
 224
 225         mShowOnlyStarred.setChecked(Data.optShowOnlyStarred.get());
 226
 227         Log.d("menu", "Accounts: onCreateOptionsMenu called");
 228
 229         mShowOnlyStarred.setOnMenuItemClickListener(item -> {
 230             SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 231             SharedPreferences.Editor editor = pref.edit();
 232             boolean flag = item.isChecked();
 233             editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 234             Log.d("pref",
 235                     "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 236             editor.apply();
 237
 238
 239             return true;
 240         });
 241     }
 242 }