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