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.Observer;
  47
  48 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  49
  50 public class AccountSummaryFragment extends MobileLedgerListFragment {
  51
  52     MenuItem mShowOnlyStarred;
  53     private AccountSummaryViewModel model;
  54     private AccountSummaryAdapter modelAdapter;
  55     private Menu optMenu;
  56     private FloatingActionButton fab;
  57     private Observer backgroundTaskCountObserver;
  58     @Override
  59     public void onDestroy() {
  60         if (backgroundTaskCountObserver != null) {
  61             Log.d("acc", "destroying background task count observer");
  62             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  63         }
  64         super.onDestroy();
  65     }
  66     @Override
  67     public void onCreate(@Nullable Bundle savedInstanceState) {
  68         super.onCreate(savedInstanceState);
  69         setHasOptionsMenu(true);
  70
  71         if (backgroundTaskCountObserver == null) {
  72             Log.d("acc", "creating background task count observer");
  73             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = (o, arg) -> {
  74                 if (mActivity == null) return;
  75                 if (swiper == null) return;
  76                 mActivity.runOnUiThread(() -> {
  77                     int cnt = Data.backgroundTaskCount.get();
  78                     Log.d("acc", String.format("background task count changed to %d", cnt));
  79                     swiper.setRefreshing(cnt > 0);
  80                 });
  81             });
  82         }
  83     }
  84     public void onAttach(Context context) {
  85         super.onAttach(context);
  86         mActivity = (MainActivity) context;
  87     }
  88     @Override
  89     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
  90                              @Nullable Bundle savedInstanceState) {
  91         Log.d("flow", "AccountSummaryFragment.onCreateView()");
  92         return inflater.inflate(R.layout.account_summary_fragment, container, false);
  93     }
  94
  95     @Override
  96
  97     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  98         Log.d("flow", "AccountSummaryFragment.onActivityCreated()");
  99         super.onActivityCreated(savedInstanceState);
 100
 101         model = ViewModelProviders.of(this).get(AccountSummaryViewModel.class);
 102         modelAdapter = new AccountSummaryAdapter();
 103
 104         root = mActivity.findViewById(R.id.account_root);
 105         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 106         llm.setOrientation(LinearLayoutManager.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         fab.show();
 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) fab.show();
 153                     if (dy > 0) fab.hide();
 154                 }
 155             }
 156         });
 157         swiper = mActivity.findViewById(R.id.account_swiper);
 158         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 159         swiper.setOnRefreshListener(() -> {
 160             Log.d("ui", "refreshing accounts via swipe");
 161             mActivity.scheduleTransactionListRetrieval();
 162         });
 163
 164         Data.accounts.addObserver(
 165                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 166         Data.profile.addObserver(
 167                 (o, arg) -> mActivity.runOnUiThread(() -> model.scheduleAccountListReload()));
 168         update_account_table();
 169     }
 170     private void update_account_table() {
 171         if (this.getContext() == null) return;
 172
 173         model.scheduleAccountListReload();
 174     }
 175     void stopSelection() {
 176         modelAdapter.stopSelection();
 177         if (optMenu != null) {
 178             optMenu.findItem(R.id.menu_acc_summary_cancel_selection).setVisible(false);
 179             optMenu.findItem(R.id.menu_acc_summary_confirm_selection).setVisible(false);
 180             optMenu.findItem(R.id.menu_acc_summary_only_starred).setVisible(true);
 181         }
 182         {
 183             if (fab != null) fab.show();
 184         }
 185     }
 186     public void onCancelAccSelection(MenuItem item) {
 187         stopSelection();
 188     }
 189     public void onConfirmAccSelection(MenuItem item) {
 190         AccountSummaryViewModel.commitSelections(mActivity);
 191         stopSelection();
 192     }
 193     @Override
 194     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 195         // Inflate the menu; this adds items to the action bar if it is present.
 196         inflater.inflate(R.menu.account_summary, menu);
 197         optMenu = menu;
 198
 199         mShowOnlyStarred = menu.findItem(R.id.menu_acc_summary_only_starred);
 200         if (mShowOnlyStarred == null) throw new AssertionError();
 201         MenuItem mCancelSelection = menu.findItem(R.id.menu_acc_summary_cancel_selection);
 202         if (mCancelSelection == null) throw new AssertionError();
 203         MenuItem mConfirmSelection = menu.findItem(R.id.menu_acc_summary_confirm_selection);
 204         if (mConfirmSelection == null) throw new AssertionError();
 205
 206         Data.optShowOnlyStarred.addObserver((o, arg) -> {
 207             boolean newValue = Data.optShowOnlyStarred.get();
 208             Log.d("pref", String.format("pref change came (%s)", newValue ? "true" : "false"));
 209             mShowOnlyStarred.setChecked(newValue);
 210             update_account_table();
 211         });
 212
 213         mShowOnlyStarred.setChecked(Data.optShowOnlyStarred.get());
 214
 215         Log.d("menu", "Accounts: onCreateOptionsMenu called");
 216
 217         mShowOnlyStarred.setOnMenuItemClickListener(item -> {
 218             SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mActivity);
 219             SharedPreferences.Editor editor = pref.edit();
 220             boolean flag = item.isChecked();
 221             editor.putBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, !flag);
 222             Log.d("pref",
 223                     "Setting show only starred accounts pref to " + (flag ? "false" : "true"));
 224             editor.apply();
 225
 226             return true;
 227         });
 228
 229         mCancelSelection.setOnMenuItemClickListener(item -> {
 230             stopSelection();
 231             return true;
 232         });
 233
 234         mConfirmSelection.setOnMenuItemClickListener(item -> {
 235             AccountSummaryViewModel.commitSelections(mActivity);
 236             stopSelection();
 237
 238             return true;
 239         });
 240     }
 241 }