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.AdapterView;
  38 import android.widget.AutoCompleteTextView;
  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
  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     private String mShowOnlyAccountName;
  55     private MenuItem menuTransactionListFilter;
  56     private View vAccountFilter;
  57     private AutoCompleteTextView accNameFilter;
  58     private Observer backgroundTaskCountObserver;
  59     private static void update(Observable o, Object arg) {
  60     }
  61     @Override
  62     public void onDestroy() {
  63         if (backgroundTaskCountObserver != null) {
  64             Log.d("rtl", "destroying background task count observer");
  65             Data.backgroundTaskCount.deleteObserver(backgroundTaskCountObserver);
  66         }
  67         super.onDestroy();
  68     }
  69     public void setShowOnlyAccountName(String mShowOnlyAccountName) {
  70         this.mShowOnlyAccountName = mShowOnlyAccountName;
  71         if (modelAdapter != null) {
  72             modelAdapter.setBoldAccountName(mShowOnlyAccountName);
  73         }
  74         if (accNameFilter != null) {
  75             accNameFilter.setText(mShowOnlyAccountName, false);
  76         }
  77         if (vAccountFilter != null) {
  78             vAccountFilter.setVisibility(
  79                     ((mShowOnlyAccountName != null) && !mShowOnlyAccountName.isEmpty())
  80                     ? View.VISIBLE : View.GONE);
  81         }
  82     }
  83     @Override
  84     public void setArguments(@Nullable Bundle args) {
  85         super.setArguments(args);
  86         mShowOnlyAccountName = args.getString(BUNDLE_KEY_FILTER_ACCOUNT_NAME);
  87     }
  88     @Override
  89     public void onCreate(@Nullable Bundle savedInstanceState) {
  90         super.onCreate(savedInstanceState);
  91         setHasOptionsMenu(true);
  92         if (backgroundTaskCountObserver == null) {
  93             Log.d("rtl", "creating background task count observer");
  94             Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
  95                 @Override
  96                 public void update(Observable o, Object arg) {
  97                     mActivity.runOnUiThread(() -> {
  98                         int cnt = Data.backgroundTaskCount.get();
  99                         Log.d("trl", String.format("background task count changed to %d", cnt));
 100                         swiper.setRefreshing(cnt > 0);
 101                     });
 102                 }
 103             });
 104         }
 105     }
 106     @Override
 107     public void onAttach(Context context) {
 108         super.onAttach(context);
 109         mActivity = (MainActivity) context;
 110     }
 111     @Nullable
 112     @Override
 113     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 114                              @Nullable Bundle savedInstanceState) {
 115         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 116     }
 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.hook_autocompletion_adapter(mActivity, accNameFilter, "accounts", "name");
 162         accNameFilter.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 163             @Override
 164             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 165                 Log.d("tmp", "direct onItemClick");
 166                 TransactionListViewModel.scheduleTransactionListReload(mActivity);
 167                 MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 168                 modelAdapter.setBoldAccountName(mc.getString(1));
 169                 modelAdapter.notifyDataSetChanged();
 170                 Globals.hideSoftKeyboard(mActivity);
 171             }
 172         });
 173
 174         if (mShowOnlyAccountName != null) {
 175             accNameFilter.setText(mShowOnlyAccountName, false);
 176             onShowFilterClick(null);
 177             Log.d("flow", String.format("Account filter set to '%s'", mShowOnlyAccountName));
 178         }
 179
 180         TransactionListViewModel.scheduleTransactionListReload(mActivity);
 181         TransactionListViewModel.updating.addObserver(new Observer() {
 182             @Override
 183             public void update(Observable o, Object arg) {
 184                 swiper.setRefreshing(TransactionListViewModel.updating.get());
 185             }
 186         });
 187
 188         Data.transactions.addObserver(new Observer() {
 189             @Override
 190             public void update(Observable o, Object arg) {
 191                 mActivity.runOnUiThread(() -> modelAdapter.notifyDataSetChanged());
 192             }
 193         });
 194
 195     }
 196     @Override
 197     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 198         inflater.inflate(R.menu.transaction_list, menu);
 199
 200         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 201         if ((menuTransactionListFilter == null)) throw new AssertionError();
 202
 203         if (mShowOnlyAccountName != null) {
 204             menuTransactionListFilter.setVisible(false);
 205         }
 206
 207         super.onCreateOptionsMenu(menu, inflater);
 208     }
 209
 210     public void onClearAccountNameClick(View view) {
 211         vAccountFilter.setVisibility(View.GONE);
 212         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 213         accNameFilter.setText(null);
 214         mShowOnlyAccountName = null;
 215         modelAdapter.resetBoldAccountName();
 216         TransactionListViewModel.scheduleTransactionListReload(mActivity);
 217         Globals.hideSoftKeyboard(mActivity);
 218     }
 219     public void onShowFilterClick(MenuItem menuItem) {
 220         vAccountFilter.setVisibility(View.VISIBLE);
 221         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 222         if (menuItem != null) {
 223             accNameFilter.requestFocus();
 224             InputMethodManager imm =
 225                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 226             imm.showSoftInput(accNameFilter, 0);
 227         }
 228     }
 229 }