app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.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.transaction_list;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.content.Context;
  22 import android.database.MatrixCursor;
  23 import android.os.Bundle;
  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 import android.view.inputmethod.InputMethodManager;
  37 import android.widget.AutoCompleteTextView;
  38 import android.widget.Toast;
  39
  40 import net.ktnx.mobileledger.R;
  41 import net.ktnx.mobileledger.model.Data;
  42 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  43 import net.ktnx.mobileledger.ui.activity.MainActivity;
  44 import net.ktnx.mobileledger.utils.Globals;
  45 import net.ktnx.mobileledger.utils.MLDB;
  46 import net.ktnx.mobileledger.utils.ObservableValue;
  47
  48 import java.util.Observable;
  49 import java.util.Observer;
  50
  51 import static android.content.Context.INPUT_METHOD_SERVICE;
  52
  53 public class TransactionListFragment extends MobileLedgerListFragment {
  54     public static final String BUNDLE_KEY_FILTER_ACCOUNT_NAME = "filter_account_name";
  55     public static ObservableValue<String> accountFilter = new ObservableValue<>();
  56     private String mShowOnlyAccountName;
  57     private MenuItem menuTransactionListFilter;
  58     private View vAccountFilter;
  59     private AutoCompleteTextView accNameFilter;
  60     private Observer backgroundTaskCountObserver;
  61     private static void update(Observable o, Object arg) {
  62     }
  63     @Override
  64     public void onDestroy() {
  65         if (backgroundTaskCountObserver != null) {
  66             Log.d("rtl", "destroying background task count observer");
  67             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  68         }
  69         super.onDestroy();
  70     }
  71     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  72         this.mShowOnlyAccountName = mShowOnlyAccountName;
  73         if (modelAdapter != null) {
  74             modelAdapter.setBoldAccountName(mShowOnlyAccountName);
  75         }
  76         if (accNameFilter != null) {
  77             accNameFilter.setText(mShowOnlyAccountName, false);
  78         }
  79         if (vAccountFilter != null) {
  80             vAccountFilter.setVisibility(
  81                     ((mShowOnlyAccountName != null) && !mShowOnlyAccountName.isEmpty())
  82                     ? View.VISIBLE : View.GONE);
  83         }
  84     }
  85     @Override
  86     public void setArguments(@Nullable Bundle args) {
  87         super.setArguments(args);
  88         mShowOnlyAccountName = args.getString(BUNDLE_KEY_FILTER_ACCOUNT_NAME);
  89     }
  90     @Override
  91     public void onCreate(@Nullable Bundle savedInstanceState) {
  92         super.onCreate(savedInstanceState);
  93         setHasOptionsMenu(true);
  94         if (backgroundTaskCountObserver == null) {
  95             Log.d("rtl", "creating background task count observer");
  96             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  97                 @Override
  98                 public void update(Observable o, Object arg) {
  99                     mActivity.runOnUiThread(() -> {
 100                         int cnt = Data.backgroundTaskCount.get();
 101                         Log.d("trl", String.format("background task count changed to %d", cnt));
 102                         swiper.setRefreshing(cnt > 0);
 103                     });
 104                 }
 105             });
 106         }
 107     }
 108     @Override
 109     public void onAttach(Context context) {
 110         super.onAttach(context);
 111         mActivity = (MainActivity) context;
 112     }
 113     @Nullable
 114     @Override
 115     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 116                              @Nullable Bundle savedInstanceState) {
 117         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 118     }
 119     @Override
 120     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 121         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 122         super.onActivityCreated(savedInstanceState);
 123
 124         swiper = mActivity.findViewById(R.id.transaction_swipe);
 125         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 126         root = mActivity.findViewById(R.id.transaction_root);
 127         if (root == null)
 128             throw new RuntimeException("Can't get hold on the transaction value view");
 129         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
 130         modelAdapter = new TransactionListAdapter();
 131
 132         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 133         root.setAdapter(modelAdapter);
 134
 135         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 136
 137         fab.show();
 138         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 139             @Override
 140             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 141                 if (dy < 0) fab.show();
 142                 if (dy > 0) fab.hide();
 143             }
 144         });
 145
 146         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 147
 148         llm.setOrientation(LinearLayoutManager.VERTICAL);
 149         root.setLayoutManager(llm);
 150
 151         swiper.setOnRefreshListener(() -> {
 152             Log.d("ui", "refreshing transactions via swipe");
 153             mActivity.scheduleTransactionListRetrieval();
 154         });
 155
 156         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 157
 158         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 159         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 160
 161         TransactionListFragment me = this;
 162         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 163         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 164 //                Log.d("tmp", "direct onItemClick");
 165             TransactionListViewModel.scheduleTransactionListReload();
 166             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 167             accountFilter.set(mc.getString(1));
 168             Globals.hideSoftKeyboard(mActivity);
 169         });
 170
 171         accountFilter.addObserver((o, arg) -> {
 172             String accountName = accountFilter.get();
 173             modelAdapter.setBoldAccountName(accountName);
 174             setShowOnlyAccountName(accountName);
 175             TransactionListViewModel.scheduleTransactionListReload();
 176             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 177         });
 178
 179         Data.profile.addObserver((o, arg) -> mActivity.runOnUiThread(() -> {
 180             Log.d("transactions", "requesting list reload");
 181             TransactionListViewModel.scheduleTransactionListReload();
 182         }));
 183
 184         TransactionListViewModel.scheduleTransactionListReload();
 185         TransactionListViewModel.updating.addObserver(
 186                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 187         TransactionListViewModel.updateError.addObserver(new Observer() {
 188             @Override
 189             public void update(Observable o, Object arg) {
 190                 String err = TransactionListViewModel.updateError.get();
 191                 if (err == null) return;
 192
 193                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 194                 TransactionListViewModel.updateError.set(null);
 195             }
 196         });
 197         Data.transactions.addObserver(
 198                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 199
 200         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 201             vAccountFilter.setVisibility(View.GONE);
 202             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 203             accountFilter.set(null);
 204             accNameFilter.setText(null);
 205             TransactionListViewModel.scheduleTransactionListReload();
 206             Globals.hideSoftKeyboard(mActivity);
 207         });
 208     }
 209     @Override
 210     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 211         inflater.inflate(R.menu.transaction_list, menu);
 212
 213         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 214         if ((menuTransactionListFilter == null)) throw new AssertionError();
 215
 216         if (mShowOnlyAccountName != null) {
 217             menuTransactionListFilter.setVisible(false);
 218         }
 219
 220         super.onCreateOptionsMenu(menu, inflater);
 221
 222         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 223             vAccountFilter.setVisibility(View.VISIBLE);
 224             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 225             accNameFilter.requestFocus();
 226             InputMethodManager imm =
 227                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 228             imm.showSoftInput(accNameFilter, 0);
 229
 230             return true;
 231         });
 232     }
 233 }