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.content.Context;
  21 import android.content.SharedPreferences;
  22 import android.os.Bundle;
  23 import android.preference.PreferenceManager;
  24 import android.support.annotation.NonNull;
  25 import android.support.annotation.Nullable;
  26 import android.support.design.widget.FloatingActionButton;
  27 import android.support.v7.widget.LinearLayoutManager;
  28 import android.support.v7.widget.RecyclerView;
  29 import android.util.Log;
  30 import android.view.LayoutInflater;
  31 import android.view.Menu;
  32 import android.view.MenuInflater;
  33 import android.view.MenuItem;
  34 import android.view.View;
  35 import android.view.ViewGroup;
  36
  37 import net.ktnx.mobileledger.R;
  38 import net.ktnx.mobileledger.model.Data;
  39 import net.ktnx.mobileledger.model.LedgerAccount;
  40 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  41 import net.ktnx.mobileledger.ui.RecyclerItemListener;
  42 import net.ktnx.mobileledger.ui.activity.MainActivity;
  43
  44 import java.util.List;
  45 import java.util.Observer;
  46
  47 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  48
  49 public class AccountSummaryFragment extends MobileLedgerListFragment {
  50
  51     MenuItem mShowOnlyStarred;
  52     private AccountSummaryAdapter modelAdapter;
  53     private Menu optMenu;
  54     private FloatingActionButton fab;
  55     private Observer backgroundTaskCountObserver;
  56     @Override
  57     public void onDestroy() {
  58         if (backgroundTaskCountObserver != null) {
  59             Log.d("acc", "destroying background task count observer");
  60             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  61         }
  62         super.onDestroy();
  63     }
  64     @Override
  65     public void onCreate(@Nullable Bundle savedInstanceState) {
  66         super.onCreate(savedInstanceState);
  67         setHasOptionsMenu(true);
  68
  69         if (backgroundTaskCountObserver == null) {
  70             Log.d("acc", "creating background task count observer");
  71             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = (o, arg) -> {
  72                 if (mActivity == null) return;
  73                 if (swiper == null) return;
  74                 mActivity.runOnUiThread(() -> {
  75                     int cnt = Data.backgroundTaskCount.get();
  76                     Log.d("acc", String.format("background task count changed to %d", cnt));
  77                     swiper.setRefreshing(cnt > 0);
  78                 });
  79             });
  80         }
  81     }
  82     public void onAttach(Context context) {
  83         super.onAttach(context);
  84         mActivity = (MainActivity) context;
  85     }
  86     @Override
  87     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  88                              @Nullable Bundle savedInstanceState) {
  89         Log.d("flow", "AccountSummaryFragment.onCreateView()");
  90         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  91     }
  92
  93     @Override
  94
  95     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  96         Log.d("flow", "AccountSummaryFragment.onActivityCreated()");
  97         super.onActivityCreated(savedInstanceState);
  98
  99         modelAdapter = new AccountSummaryAdapter();
 100
 101         root = mActivity.findViewById(R.id.account_root);
 102         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 103         llm.setOrientation(LinearLayoutManager.VERTICAL);
 104         root.setLayoutManager(llm);
 105         root.setAdapter(modelAdapter);
 106
 107         fab = mActivity.findViewById(R.id.btn_add_transaction);
 108
 109         root.addOnItemTouchListener(new RecyclerItemListener(mActivity, root,
 110                 new RecyclerItemListener.RecyclerTouchListener() {
 111                     @Override
 112                     public void onClickItem(View v, int position) {
 113                         Log.d("value", String.format("item %d clicked", position));
 114                         if (modelAdapter.isSelectionActive()) {
 115                             modelAdapter.selectItem(position);
 116                         }
 117                         else {
 118                             List<LedgerAccount> accounts = Data.accounts.get();
 119                             if (accounts != null) {
 120                                 LedgerAccount account = accounts.get(position);
 121
 122                                 mActivity.showAccountTransactions(account);
 123                             }
 124                         }
 125                     }
 126
 127                     @Override
 128                     public void onLongClickItem(View v, int position) {
 129                         Log.d("value", String.format("item %d long-clicked", position));
 130                         modelAdapter.startSelection();
 131                         if (optMenu != null) {
 132                             optMenu.findItem(R.id.menu_acc_summary_cancel_selection)
 133                                     .setVisible(true);
 134                             optMenu.findItem(R.id.menu_acc_summary_confirm_selection)
 135                                     .setVisible(true);
 136                             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(false);
 137                         }
 138                         {
 139                             if (fab != null) fab.hide();
 140                         }
 141                     }
 142                 }));
 143
 144         mActivity.fabShouldShow();
 145         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 146             @Override
 147             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 148                 if (fab != null) {
 149                     if (dy < 0) mActivity.fabShouldShow();
 150                     if (dy > 0) fab.hide();
 151                 }
 152             }
 153         });
 154         swiper = mActivity.findViewById(R.id.account_swiper);
 155         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 156         swiper.setOnRefreshListener(() -> {
 157             Log.d("ui", "refreshing accounts via swipe");
 158             mActivity.scheduleTransactionListRetrieval();
 159         });
 160
 161         Data.accounts.addObserver(
 162                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 163         Data.profile.addObserver(
 164                 (o, arg) -> mActivity.runOnUiThread(() -> AccountSummaryViewModel.scheduleAccountListReload()));
 165         update_account_table();
 166     }
 167     private void update_account_table() {
 168         if (this.getContext() == null) return;
 169
 170         AccountSummaryViewModel.scheduleAccountListReload();
 171     }
 172     void stopSelection() {
 173         modelAdapter.stopSelection();
 174         if (optMenu != null) {
 175             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 176             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 177             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 178         }
 179         {
 180             if (fab != null) fab.show();
 181         }
 182     }
 183     public void onCancelAccSelection(MenuItem item) {
 184         stopSelection();
 185     }
 186     public void onConfirmAccSelection(MenuItem item) {
 187         AccountSummaryViewModel.commitSelections(mActivity);
 188         stopSelection();
 189     }
 190     @Override
 191     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 192         // Inflate the menu; this adds items to the action bar if it is present.
 193         inflater.inflate(R.menu.account_summary, menu);
 194         optMenu = menu;
 195
 196         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 197         if (mShowOnlyStarred == null) throw new AssertionError();
 198         MenuItem mCancelSelection = menu.findItem(R.id.menu_acc_summary_cancel_selection);
 199         if (mCancelSelection == null) throw new AssertionError();
 200         MenuItem mConfirmSelection = menu.findItem(R.id.menu_acc_summary_confirm_selection);
 201         if (mConfirmSelection == null) throw new AssertionError();
 202
 203         Data.optShowOnlyStarred.addObserver((o, arg) -> {
 204             boolean newValue = Data.optShowOnlyStarred.get();
 205             Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 206             mShowOnlyStarred.setChecked(newValue);
 207             update_account_table();
 208         });
 209
 210         mShowOnlyStarred.setChecked(Data.optShowOnlyStarred.get());
 211
 212         Log.d("menu", "Accounts: onCreateOptionsMenu called");
 213
 214         mShowOnlyStarred.setOnMenuItemClickListener(item -> {
 215             SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 216             SharedPreferences.Editor editor = pref.edit();
 217             boolean flag = item.isChecked();
 218             editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 219             Log.d("pref",
 220                     "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 221             editor.apply();
 222
 223             return true;
 224         });
 225
 226         mCancelSelection.setOnMenuItemClickListener(item -> {
 227             stopSelection();
 228             return true;
 229         });
 230
 231         mConfirmSelection.setOnMenuItemClickListener(item -> {
 232             AccountSummaryViewModel.commitSelections(mActivity);
 233             stopSelection();
 234
 235             return true;
 236         });
 237     }
 238 }