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 onResume() {
 121         super.onResume();
 122         Log.d("flow", "TransactionListFragment.onResume()");
 123     }
 124     @Override
 125     public void onStop() {
 126         super.onStop();
 127         Log.d("flow", "TransactionListFragment.onStop()");
 128     }
 129     @Override
 130     public void onPause() {
 131         super.onPause();
 132         Log.d("flow", "TransactionListFragment.onPause()");
 133     }
 134     @Override
 135     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 136         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 137         super.onActivityCreated(savedInstanceState);
 138
 139         swiper = mActivity.findViewById(R.id.transaction_swipe);
 140         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 141         root = mActivity.findViewById(R.id.transaction_root);
 142         if (root == null)
 143             throw new RuntimeException("Can't get hold on the transaction value view");
 144         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
 145         modelAdapter = new TransactionListAdapter();
 146
 147         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 148         root.setAdapter(modelAdapter);
 149
 150         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 151
 152         fab.show();
 153         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 154             @Override
 155             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 156                 if (dy < 0) fab.show();
 157                 if (dy > 0) fab.hide();
 158             }
 159         });
 160
 161         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 162
 163         llm.setOrientation(LinearLayoutManager.VERTICAL);
 164         root.setLayoutManager(llm);
 165
 166         swiper.setOnRefreshListener(() -> {
 167             Log.d("ui", "refreshing transactions via swipe");
 168             mActivity.scheduleTransactionListRetrieval();
 169         });
 170
 171         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 172
 173         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 174         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 175
 176         TransactionListFragment me = this;
 177         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 178         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 179 //                Log.d("tmp", "direct onItemClick");
 180             TransactionListViewModel.scheduleTransactionListReload();
 181             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 182             accountFilter.set(mc.getString(1));
 183             Globals.hideSoftKeyboard(mActivity);
 184         });
 185
 186         accountFilter.addObserver((o, arg) -> {
 187             String accountName = accountFilter.get();
 188             modelAdapter.setBoldAccountName(accountName);
 189             setShowOnlyAccountName(accountName);
 190             TransactionListViewModel.scheduleTransactionListReload();
 191             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 192         });
 193
 194         Data.profile.addObserver((o, arg) -> mActivity.runOnUiThread(() -> {
 195             Log.d("transactions", "requesting list reload");
 196             TransactionListViewModel.scheduleTransactionListReload();
 197         }));
 198
 199         TransactionListViewModel.scheduleTransactionListReload();
 200         TransactionListViewModel.updating.addObserver(
 201                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 202         TransactionListViewModel.updateError.addObserver(new Observer() {
 203             @Override
 204             public void update(Observable o, Object arg) {
 205                 String err = TransactionListViewModel.updateError.get();
 206                 if (err == null) return;
 207
 208                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 209                 TransactionListViewModel.updateError.set(null);
 210             }
 211         });
 212         Data.transactions.addObserver(
 213                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 214
 215         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 216             vAccountFilter.setVisibility(View.GONE);
 217             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 218             accountFilter.set(null);
 219             accNameFilter.setText(null);
 220             TransactionListViewModel.scheduleTransactionListReload();
 221             Globals.hideSoftKeyboard(mActivity);
 222         });
 223     }
 224     @Override
 225     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 226         inflater.inflate(R.menu.transaction_list, menu);
 227
 228         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 229         if ((menuTransactionListFilter == null)) throw new AssertionError();
 230
 231         if (mShowOnlyAccountName != null) {
 232             menuTransactionListFilter.setVisible(false);
 233         }
 234
 235         super.onCreateOptionsMenu(menu, inflater);
 236
 237         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 238             vAccountFilter.setVisibility(View.VISIBLE);
 239             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 240             accNameFilter.requestFocus();
 241             InputMethodManager imm =
 242                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 243             imm.showSoftInput(accNameFilter, 0);
 244
 245             return true;
 246         });
 247     }
 248 }