app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.java

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe 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  * MoLe 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 MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.account_summary;
  19
  20 import android.content.Context;
  21 import android.content.SharedPreferences;
  22 import android.os.Bundle;
  23 import android.preference.PreferenceManager;
  24 import android.util.Log;
  25 import android.view.LayoutInflater;
  26 import android.view.Menu;
  27 import android.view.MenuInflater;
  28 import android.view.MenuItem;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31
  32 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  33
  34 import net.ktnx.mobileledger.R;
  35 import net.ktnx.mobileledger.model.Data;
  36 import net.ktnx.mobileledger.model.LedgerAccount;
  37 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  38 import net.ktnx.mobileledger.ui.RecyclerItemListener;
  39 import net.ktnx.mobileledger.ui.activity.MainActivity;
  40 import net.ktnx.mobileledger.utils.Colors;
  41
  42 import java.util.List;
  43 import java.util.Observer;
  44
  45 import androidx.annotation.NonNull;
  46 import androidx.annotation.Nullable;
  47 import androidx.recyclerview.widget.LinearLayoutManager;
  48 import androidx.recyclerview.widget.RecyclerView;
  49
  50 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  51
  52 public class AccountSummaryFragment extends MobileLedgerListFragment {
  53
  54     MenuItem mShowOnlyStarred;
  55     private AccountSummaryAdapter modelAdapter;
  56     private Menu optMenu;
  57     private FloatingActionButton fab;
  58     private Observer backgroundTaskCountObserver;
  59     @Override
  60     public void onDestroy() {
  61         if (backgroundTaskCountObserver != null) {
  62             Log.d("acc", "destroying background task count observer");
  63             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  64         }
  65         super.onDestroy();
  66     }
  67     @Override
  68     public void onCreate(@Nullable Bundle savedInstanceState) {
  69         super.onCreate(savedInstanceState);
  70         setHasOptionsMenu(true);
  71
  72         if (backgroundTaskCountObserver == null) {
  73             Log.d("acc", "creating background task count observer");
  74             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = (o, arg) -> {
  75                 if (mActivity == null) return;
  76                 if (swiper == null) return;
  77                 mActivity.runOnUiThread(() -> {
  78                     int cnt = Data.backgroundTaskCount.get();
  79                     Log.d("acc", String.format("background task count changed to %d", cnt));
  80                     swiper.setRefreshing(cnt > 0);
  81                 });
  82             });
  83         }
  84     }
  85     public void onAttach(Context context) {
  86         super.onAttach(context);
  87         mActivity = (MainActivity) context;
  88     }
  89     @Override
  90     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  91                              @Nullable Bundle savedInstanceState) {
  92         Log.d("flow", "AccountSummaryFragment.onCreateView()");
  93         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  94     }
  95
  96     @Override
  97
  98     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  99         Log.d("flow", "AccountSummaryFragment.onActivityCreated()");
 100         super.onActivityCreated(savedInstanceState);
 101
 102         modelAdapter = new AccountSummaryAdapter();
 103
 104         root = mActivity.findViewById(R.id.account_root);
 105         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 106         llm.setOrientation(RecyclerView.VERTICAL);
 107         root.setLayoutManager(llm);
 108         root.setAdapter(modelAdapter);
 109
 110         fab = mActivity.findViewById(R.id.btn_add_transaction);
 111
 112         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 113                 new RecyclerItemListener.RecyclerTouchListener() {
 114                     @Override
 115                     public void onClickItem(View v, int position) {
 116                         Log.d("value", String.format("item %d clicked", position));
 117                         if (modelAdapter.isSelectionActive()) {
 118                             modelAdapter.selectItem(position);
 119                         }
 120                         else {
 121                             List<LedgerAccount> accounts = Data.accounts.get();
 122                             if (accounts != null) {
 123                                 LedgerAccount account = accounts.get(position);
 124
 125                                 mActivity.showAccountTransactions(account);
 126                             }
 127                         }
 128                     }
 129
 130                     @Override
 131                     public void onLongClickItem(View v, int position) {
 132                         Log.d("value", String.format("item %d long-clicked", position));
 133                         modelAdapter.startSelection();
 134                         if (optMenu != null) {
 135                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 136                                     .setVisible(true);
 137                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 138                                     .setVisible(true);
 139                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 140                         }
 141                         {
 142                             if (fab != null) fab.hide();
 143                         }
 144                     }
 145                 }));
 146
 147         mActivity.fabShouldShow();
 148         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 149             @Override
 150             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 151                 if (fab != null) {
 152                     if (dy < 0) mActivity.fabShouldShow();
 153                     if (dy > 0) fab.hide();
 154                 }
 155             }
 156         });
 157         swiper = mActivity.findViewById(R.id.account_swiper);
 158         Colors.themeWatch.addObserver(
 159                 (o, arg) -> swiper.setColorSchemeColors(Colors.primary));
 160         swiper.setColorSchemeColors(Colors.primary);
 161         swiper.setOnRefreshListener(() -> {
 162             Log.d("ui", "refreshing accounts via swipe");
 163             mActivity.scheduleTransactionListRetrieval();
 164         });
 165
 166         Data.accounts.addObserver(
 167                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 168         Data.profile.addObserver((o, arg) -> mActivity.runOnUiThread(
 169                 AccountSummaryViewModel::scheduleAccountListReload));
 170         update_account_table();
 171     }
 172     private void update_account_table() {
 173         if (this.getContext() == null) return;
 174
 175         AccountSummaryViewModel.scheduleAccountListReload();
 176     }
 177     void stopSelection() {
 178         modelAdapter.stopSelection();
 179         if (optMenu != null) {
 180             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 181             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 182             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 183         }
 184         {
 185             if (fab != null) fab.show();
 186         }
 187     }
 188     public void onCancelAccSelection(MenuItem item) {
 189         stopSelection();
 190     }
 191     public void onConfirmAccSelection(MenuItem item) {
 192         AccountSummaryViewModel.commitSelections(mActivity);
 193         stopSelection();
 194     }
 195     @Override
 196     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 197         // Inflate the menu; this adds items to the action bar if it is present.
 198         inflater.inflate(R.menu.account_summary, menu);
 199         optMenu = menu;
 200
 201         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 202         if (mShowOnlyStarred == null) throw new AssertionError();
 203         MenuItem mCancelSelection = menu.findItem(R.id.menu_acc_summary_cancel_selection);
 204         if (mCancelSelection == null) throw new AssertionError();
 205         MenuItem mConfirmSelection = menu.findItem(R.id.menu_acc_summary_confirm_selection);
 206         if (mConfirmSelection == null) throw new AssertionError();
 207
 208         Data.optShowOnlyStarred.addObserver((o, arg) -> {
 209             boolean newValue = Data.optShowOnlyStarred.get();
 210             Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 211             mShowOnlyStarred.setChecked(newValue);
 212             update_account_table();
 213         });
 214
 215         mShowOnlyStarred.setChecked(Data.optShowOnlyStarred.get());
 216
 217         Log.d("menu", "Accounts: onCreateOptionsMenu called");
 218
 219         mShowOnlyStarred.setOnMenuItemClickListener(item -> {
 220             SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 221             SharedPreferences.Editor editor = pref.edit();
 222             boolean flag = item.isChecked();
 223             editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 224             Log.d("pref",
 225                     "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 226             editor.apply();
 227
 228             return true;
 229         });
 230
 231         mCancelSelection.setOnMenuItemClickListener(item -> {
 232             stopSelection();
 233             return true;
 234         });
 235
 236         mConfirmSelection.setOnMenuItemClickListener(item -> {
 237             AccountSummaryViewModel.commitSelections(mActivity);
 238             stopSelection();
 239
 240             return true;
 241         });
 242     }
 243 }