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 = new Observer() {
  75                 @Override
  76                 public void update(Observable o, Object arg) {
  77                     if (mActivity == null) return;
  78                     if (swiper == null) return;
  79                     mActivity.runOnUiThread(() -> {
  80                         int cnt = Data.backgroundTaskCount.get();
  81                         Log.d("acc", String.format("background task count changed to %d", cnt));
  82                         swiper.setRefreshing(cnt > 0);
  83                     });
  84                 }
  85             });
  86         }
  87     }
  88     public void onAttach(Context context) {
  89         super.onAttach(context);
  90         mActivity = (MainActivity) context;
  91     }
  92     @Override
  93     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  94                              @Nullable Bundle savedInstanceState) {
  95         Log.d("flow", "AccountSummaryFragment.onCreateView()");
  96         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  97     }
  98
  99     @Override
 100
 101     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 102         Log.d("flow", "AccountSummaryFragment.onActivityCreated()");
 103         super.onActivityCreated(savedInstanceState);
 104
 105         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 106         modelAdapter = new AccountSummaryAdapter();
 107
 108         root = mActivity.findViewById(R.id.account_root);
 109         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 110         llm.setOrientation(LinearLayoutManager.VERTICAL);
 111         root.setLayoutManager(llm);
 112         root.setAdapter(modelAdapter);
 113
 114         fab = mActivity.findViewById(R.id.btn_add_transaction);
 115
 116         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 117                 new RecyclerItemListener.RecyclerTouchListener() {
 118                     @Override
 119                     public void onClickItem(View v, int position) {
 120                         Log.d("value", String.format("item %d clicked", position));
 121                         if (modelAdapter.isSelectionActive()) {
 122                             modelAdapter.selectItem(position);
 123                         }
 124                         else {
 125                             List<LedgerAccount> accounts = Data.accounts.get();
 126                             if (accounts != null) {
 127                                 LedgerAccount account = accounts.get(position);
 128
 129                                 mActivity.showAccountTransactions(account);
 130                             }
 131                         }
 132                     }
 133
 134                     @Override
 135                     public void onLongClickItem(View v, int position) {
 136                         Log.d("value", String.format("item %d long-clicked", position));
 137                         modelAdapter.startSelection();
 138                         if (optMenu != null) {
 139                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 140                                     .setVisible(true);
 141                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 142                                     .setVisible(true);
 143                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 144                         }
 145                         {
 146                             if (fab != null) fab.hide();
 147                         }
 148                     }
 149                 }));
 150
 151         fab.show();
 152         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 153             @Override
 154             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 155                 if (fab != null) {
 156                     if (dy < 0) fab.show();
 157                     if (dy > 0) fab.hide();
 158                 }
 159             }
 160         });
 161         swiper = mActivity.findViewById(R.id.account_swiper);
 162         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 163         swiper.setOnRefreshListener(() -> {
 164             Log.d("ui", "refreshing accounts via swipe");
 165             mActivity.scheduleTransactionListRetrieval();
 166         });
 167
 168         Data.accounts.addObserver(new Observer() {
 169             @Override
 170             public void update(Observable o, Object arg) {
 171                 mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged());
 172             }
 173         });
 174         Data.profile.addObserver(new Observer() {
 175             @Override
 176             public void update(Observable o, Object arg) {
 177                 mActivity.runOnUiThread(() -> model.scheduleAccountListReload());
 178             }
 179         });
 180         update_account_table();
 181     }
 182     private void update_account_table() {
 183         if (this.getContext() == null) return;
 184
 185         model.scheduleAccountListReload();
 186     }
 187     void stopSelection() {
 188         modelAdapter.stopSelection();
 189         if (optMenu != null) {
 190             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 191             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 192             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 193         }
 194         {
 195             if (fab != null) fab.show();
 196         }
 197     }
 198     public void onCancelAccSelection(MenuItem item) {
 199         stopSelection();
 200     }
 201     public void onConfirmAccSelection(MenuItem item) {
 202         AccountSummaryViewModel.commitSelections(mActivity);
 203         stopSelection();
 204     }
 205     @Override
 206     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 207         // Inflate the menu; this adds items to the action bar if it is present.
 208         inflater.inflate(R.menu.account_summary, menu);
 209         optMenu = menu;
 210
 211         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 212         if (mShowOnlyStarred == null) throw new AssertionError();
 213         MenuItem mCancelSelection = menu.findItem(R.id.menu_acc_summary_cancel_selection);
 214         if (mCancelSelection == null) throw new AssertionError();
 215         MenuItem mConfirmSelection = menu.findItem(R.id.menu_acc_summary_confirm_selection);
 216         if (mConfirmSelection == null) throw new AssertionError();
 217
 218         Data.optShowOnlyStarred.addObserver((o, arg) -> {
 219             boolean newValue = Data.optShowOnlyStarred.get();
 220             Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 221             mShowOnlyStarred.setChecked(newValue);
 222             update_account_table();
 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             return true;
 239         });
 240
 241         mCancelSelection.setOnMenuItemClickListener(item -> {
 242             stopSelection();
 243             return true;
 244         });
 245
 246         mConfirmSelection.setOnMenuItemClickListener(item -> {
 247             AccountSummaryViewModel.commitSelections(mActivity);
 248             stopSelection();
 249
 250             return true;
 251         });
 252     }
 253 }