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     private AccountSummaryViewModel model;
  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         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 103         modelAdapter = new AccountSummaryAdapter();
 104
 105         root = mActivity.findViewById(R.id.account_root);
 106         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 107         llm.setOrientation(LinearLayoutManager.VERTICAL);
 108         root.setLayoutManager(llm);
 109         root.setAdapter(modelAdapter);
 110
 111         fab = mActivity.findViewById(R.id.btn_add_transaction);
 112
 113         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 114                 new RecyclerItemListener.RecyclerTouchListener() {
 115                     @Override
 116                     public void onClickItem(View v, int position) {
 117                         Log.d("value", String.format("item %d clicked", position));
 118                         if (modelAdapter.isSelectionActive()) {
 119                             modelAdapter.selectItem(position);
 120                         }
 121                         else {
 122                             List<LedgerAccount> accounts = Data.accounts.get();
 123                             if (accounts != null) {
 124                                 LedgerAccount account = accounts.get(position);
 125
 126                                 mActivity.showAccountTransactions(account);
 127                             }
 128                         }
 129                     }
 130
 131                     @Override
 132                     public void onLongClickItem(View v, int position) {
 133                         Log.d("value", String.format("item %d long-clicked", position));
 134                         modelAdapter.startSelection();
 135                         if (optMenu != null) {
 136                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 137                                     .setVisible(true);
 138                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 139                                     .setVisible(true);
 140                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 141                         }
 142                         {
 143                             if (fab != null) fab.hide();
 144                         }
 145                     }
 146                 }));
 147
 148         fab.show();
 149         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 150             @Override
 151             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 152                 if (fab != null) {
 153                     if (dy < 0) fab.show();
 154                     if (dy > 0) fab.hide();
 155                 }
 156             }
 157         });
 158         swiper = mActivity.findViewById(R.id.account_swiper);
 159         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 160         swiper.setOnRefreshListener(() -> {
 161             Log.d("ui", "refreshing accounts via swipe");
 162             mActivity.scheduleTransactionListRetrieval();
 163         });
 164
 165         Data.accounts.addObserver(new Observer() {
 166             @Override
 167             public void update(Observable o, Object arg) {
 168                 mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged());
 169             }
 170         });
 171         Data.profile.addObserver(new Observer() {
 172             @Override
 173             public void update(Observable o, Object arg) {
 174                 mActivity.runOnUiThread(() -> model.scheduleAccountListReload());
 175             }
 176         });
 177         update_account_table();
 178     }
 179     private void update_account_table() {
 180         if (this.getContext() == null) return;
 181
 182         model.scheduleAccountListReload();
 183     }
 184     void stopSelection() {
 185         modelAdapter.stopSelection();
 186         if (optMenu != null) {
 187             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 188             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 189             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 190         }
 191         {
 192             if (fab != null) fab.show();
 193         }
 194     }
 195     public void onCancelAccSelection(MenuItem item) {
 196         stopSelection();
 197     }
 198     public void onConfirmAccSelection(MenuItem item) {
 199         AccountSummaryViewModel.commitSelections(mActivity);
 200         stopSelection();
 201     }
 202     @Override
 203     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 204         // Inflate the menu; this adds items to the action bar if it is present.
 205         inflater.inflate(R.menu.account_summary, menu);
 206         optMenu = menu;
 207
 208         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 209         if (mShowOnlyStarred == null) throw new AssertionError();
 210         MenuItem mCancelSelection = menu.findItem(R.id.menu_acc_summary_cancel_selection);
 211         if (mCancelSelection == null) throw new AssertionError();
 212         MenuItem mConfirmSelection = menu.findItem(R.id.menu_acc_summary_confirm_selection);
 213         if (mConfirmSelection == null) throw new AssertionError();
 214
 215         Data.optShowOnlyStarred.addObserver((o, arg) -> {
 216             boolean newValue = Data.optShowOnlyStarred.get();
 217             Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 218             mShowOnlyStarred.setChecked(newValue);
 219             update_account_table();
 220         });
 221
 222         mShowOnlyStarred.setChecked(Data.optShowOnlyStarred.get());
 223
 224         Log.d("menu", "Accounts: onCreateOptionsMenu called");
 225
 226         mShowOnlyStarred.setOnMenuItemClickListener(item -> {
 227             SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 228             SharedPreferences.Editor editor = pref.edit();
 229             boolean flag = item.isChecked();
 230             editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 231             Log.d("pref",
 232                     "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 233             editor.apply();
 234
 235             return true;
 236         });
 237
 238         mCancelSelection.setOnMenuItemClickListener(item -> {
 239             stopSelection();
 240             return true;
 241         });
 242
 243         mConfirmSelection.setOnMenuItemClickListener(item -> {
 244             AccountSummaryViewModel.commitSelections(mActivity);
 245             stopSelection();
 246
 247             return true;
 248         });
 249     }
 250 }