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.content.Context;
  21 import android.database.MatrixCursor;
  22 import android.os.Bundle;
  23 import android.support.annotation.NonNull;
  24 import android.support.annotation.Nullable;
  25 import android.support.design.widget.FloatingActionButton;
  26 import android.support.v7.widget.LinearLayoutManager;
  27 import android.support.v7.widget.RecyclerView;
  28 import android.util.Log;
  29 import android.view.LayoutInflater;
  30 import android.view.Menu;
  31 import android.view.MenuInflater;
  32 import android.view.MenuItem;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.view.inputmethod.InputMethodManager;
  36 import android.widget.AutoCompleteTextView;
  37 import android.widget.Toast;
  38
  39 import net.ktnx.mobileledger.R;
  40 import net.ktnx.mobileledger.model.Data;
  41 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  42 import net.ktnx.mobileledger.ui.activity.MainActivity;
  43 import net.ktnx.mobileledger.utils.Globals;
  44 import net.ktnx.mobileledger.utils.MLDB;
  45 import net.ktnx.mobileledger.utils.ObservableValue;
  46
  47 import java.util.Observable;
  48 import java.util.Observer;
  49
  50 import static android.content.Context.INPUT_METHOD_SERVICE;
  51
  52 public class TransactionListFragment extends MobileLedgerListFragment {
  53     public static final String BUNDLE_KEY_FILTER_ACCOUNT_NAME = "filter_account_name";
  54     public static ObservableValue<String> accountFilter = new ObservableValue<>();
  55     private String mShowOnlyAccountName;
  56     private MenuItem menuTransactionListFilter;
  57     private View vAccountFilter;
  58     private AutoCompleteTextView accNameFilter;
  59     private Observer backgroundTaskCountObserver;
  60     private static void update(Observable o, Object arg) {
  61     }
  62     @Override
  63     public void onDestroy() {
  64         if (backgroundTaskCountObserver != null) {
  65             Log.d("rtl", "destroying background task count observer");
  66             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  67         }
  68         super.onDestroy();
  69     }
  70     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  71         this.mShowOnlyAccountName = mShowOnlyAccountName;
  72         if (modelAdapter != null) {
  73             modelAdapter.setBoldAccountName(mShowOnlyAccountName);
  74         }
  75         if (accNameFilter != null) {
  76             accNameFilter.setText(mShowOnlyAccountName, false);
  77         }
  78         if (vAccountFilter != null) {
  79             vAccountFilter.setVisibility(
  80                     ((mShowOnlyAccountName != null) && !mShowOnlyAccountName.isEmpty())
  81                     ? View.VISIBLE : View.GONE);
  82         }
  83     }
  84     @Override
  85     public void setArguments(@Nullable Bundle args) {
  86         super.setArguments(args);
  87         mShowOnlyAccountName = args.getString(BUNDLE_KEY_FILTER_ACCOUNT_NAME);
  88     }
  89     @Override
  90     public void onCreate(@Nullable Bundle savedInstanceState) {
  91         super.onCreate(savedInstanceState);
  92         setHasOptionsMenu(true);
  93         if (backgroundTaskCountObserver == null) {
  94             Log.d("rtl", "creating background task count observer");
  95             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  96                 @Override
  97                 public void update(Observable o, Object arg) {
  98                     mActivity.runOnUiThread(() -> {
  99                         int cnt = Data.backgroundTaskCount.get();
 100                         Log.d("trl", String.format("background task count changed to %d", cnt));
 101                         swiper.setRefreshing(cnt > 0);
 102                     });
 103                 }
 104             });
 105         }
 106     }
 107     @Override
 108     public void onAttach(Context context) {
 109         super.onAttach(context);
 110         mActivity = (MainActivity) context;
 111     }
 112     @Nullable
 113     @Override
 114     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 115                              @Nullable Bundle savedInstanceState) {
 116         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 117     }
 118     @Override
 119     public void onResume() {
 120         super.onResume();
 121         Log.d("flow", "TransactionListFragment.onResume()");
 122     }
 123     @Override
 124     public void onStop() {
 125         super.onStop();
 126         Log.d("flow", "TransactionListFragment.onStop()");
 127     }
 128     @Override
 129     public void onPause() {
 130         super.onPause();
 131         Log.d("flow", "TransactionListFragment.onPause()");
 132     }
 133     @Override
 134     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 135         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 136         super.onActivityCreated(savedInstanceState);
 137
 138         swiper = mActivity.findViewById(R.id.transaction_swipe);
 139         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 140         root = mActivity.findViewById(R.id.transaction_root);
 141         if (root == null)
 142             throw new RuntimeException("Can't get hold on the transaction value view");
 143         modelAdapter = new TransactionListAdapter();
 144
 145         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 146         root.setAdapter(modelAdapter);
 147
 148         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 149
 150         mActivity.fabShouldShow();
 151         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 152             @Override
 153             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 154                 if (dy < 0) mActivity.fabShouldShow();
 155                 if (dy > 0) fab.hide();
 156             }
 157         });
 158
 159         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 160
 161         llm.setOrientation(LinearLayoutManager.VERTICAL);
 162         root.setLayoutManager(llm);
 163
 164         swiper.setOnRefreshListener(() -> {
 165             Log.d("ui", "refreshing transactions via swipe");
 166             mActivity.scheduleTransactionListRetrieval();
 167         });
 168
 169         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 170
 171         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
 172         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
 173
 174         TransactionListFragment me = this;
 175         MLDB.hookAutocompletionAdapter(mActivity, accNameFilter, "accounts", "name", true);
 176         accNameFilter.setOnItemClickListener((parent, view, position, id) -> {
 177 //                Log.d("tmp", "direct onItemClick");
 178             TransactionListViewModel.scheduleTransactionListReload();
 179             MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 180             accountFilter.set(mc.getString(1));
 181             Globals.hideSoftKeyboard(mActivity);
 182         });
 183
 184         accountFilter.addObserver((o, arg) -> {
 185             String accountName = accountFilter.get();
 186             modelAdapter.setBoldAccountName(accountName);
 187             setShowOnlyAccountName(accountName);
 188             TransactionListViewModel.scheduleTransactionListReload();
 189             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 190         });
 191
 192         Data.profile.addObserver((o, arg) -> mActivity.runOnUiThread(() -> {
 193             Log.d("transactions", "requesting list reload");
 194             TransactionListViewModel.scheduleTransactionListReload();
 195         }));
 196
 197         TransactionListViewModel.scheduleTransactionListReload();
 198         TransactionListViewModel.updating.addObserver(
 199                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
 200         TransactionListViewModel.updateError.addObserver(new Observer() {
 201             @Override
 202             public void update(Observable o, Object arg) {
 203                 String err = TransactionListViewModel.updateError.get();
 204                 if (err == null) return;
 205
 206                 Toast.makeText(mActivity, err, Toast.LENGTH_SHORT).show();
 207                 TransactionListViewModel.updateError.set(null);
 208             }
 209         });
 210         Data.transactions.addObserver(
 211                 (o, arg) -> mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged()));
 212
 213         mActivity.findViewById(R.id.clearAccountNameFilter).setOnClickListener(v -> {
 214             vAccountFilter.setVisibility(View.GONE);
 215             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 216             accountFilter.set(null);
 217             accNameFilter.setText(null);
 218             TransactionListViewModel.scheduleTransactionListReload();
 219             Globals.hideSoftKeyboard(mActivity);
 220         });
 221     }
 222     @Override
 223     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 224         inflater.inflate(R.menu.transaction_list, menu);
 225
 226         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 227         if ((menuTransactionListFilter == null)) throw new AssertionError();
 228
 229         if (mShowOnlyAccountName != null) {
 230             menuTransactionListFilter.setVisible(false);
 231         }
 232
 233         super.onCreateOptionsMenu(menu, inflater);
 234
 235         menuTransactionListFilter.setOnMenuItemClickListener(item -> {
 236             vAccountFilter.setVisibility(View.VISIBLE);
 237             if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 238             accNameFilter.requestFocus();
 239             InputMethodManager imm =
 240                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 241             imm.showSoftInput(accNameFilter, 0);
 242
 243             return true;
 244         });
 245     }
 246 }