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.Build;
  24 import android.os.Bundle;
  25 import android.preference.PreferenceManager;
  26 import android.support.annotation.NonNull;
  27 import android.support.annotation.Nullable;
  28 import android.support.design.widget.FloatingActionButton;
  29 import android.support.v4.app.Fragment;
  30 import android.support.v4.widget.SwipeRefreshLayout;
  31 import android.support.v7.widget.LinearLayoutManager;
  32 import android.support.v7.widget.RecyclerView;
  33 import android.util.Log;
  34 import android.view.LayoutInflater;
  35 import android.view.Menu;
  36 import android.view.MenuInflater;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.view.ViewGroup;
  40 import android.view.inputmethod.InputMethodManager;
  41 import android.widget.AdapterView;
  42 import android.widget.AutoCompleteTextView;
  43 import android.widget.LinearLayout;
  44 import android.widget.ProgressBar;
  45
  46 import net.ktnx.mobileledger.R;
  47 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  48 import net.ktnx.mobileledger.ui.activity.MainActivity;
  49 import net.ktnx.mobileledger.utils.Globals;
  50 import net.ktnx.mobileledger.utils.MLDB;
  51
  52 import java.lang.ref.WeakReference;
  53
  54 import static android.content.Context.INPUT_METHOD_SERVICE;
  55
  56 public class TransactionListFragment extends Fragment {
  57     public static final String BUNDLE_KEY_FILTER_ACCOUNT_NAME = "filter_account_name";
  58     public TransactionListViewModel model;
  59     private String mShowOnlyAccountName;
  60     private MainActivity mActivity;
  61     private View bTransactionListCancelDownload;
  62     private MenuItem menuTransactionListFilter;
  63     private View vAccountFilter;
  64     private SwipeRefreshLayout swiper;
  65     private RecyclerView root;
  66     private ProgressBar progressBar;
  67     private LinearLayout progressLayout;
  68     private TransactionListAdapter modelAdapter;
  69     private RetrieveTransactionsTask retrieveTransactionsTask;
  70     private AutoCompleteTextView accNameFilter;
  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     }
  95     @Override
  96     public void onAttach(Context context) {
  97         super.onAttach(context);
  98         mActivity = (MainActivity) context;
  99     }
 100     @Nullable
 101     @Override
 102     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
 103                              @Nullable Bundle savedInstanceState) {
 104         return inflater.inflate(R.layout.transaction_list_fragment, container, false);
 105     }
 106
 107     @Override
 108     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 109         Log.d("flow", "TransactionListFragment.onActivityCreated called");
 110         super.onActivityCreated(savedInstanceState);
 111
 112         mActivity.markDrawerItemCurrent(R.id.nav_latest_transactions);
 113
 114         swiper = mActivity.findViewById(R.id.transaction_swipe);
 115         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
 116         root = mActivity.findViewById(R.id.transaction_root);
 117         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
 118         progressBar = mActivity.findViewById(R.id.transaction_list_progress_bar);
 119         if (progressBar == null)
 120             throw new RuntimeException("Can't get hold on the transaction list progress bar");
 121         progressLayout = mActivity.findViewById(R.id.transaction_progress_layout);
 122         if (progressLayout == null) throw new RuntimeException(
 123                 "Can't get hold on the transaction list progress bar layout");
 124         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
 125         modelAdapter = new TransactionListAdapter(model);
 126
 127         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 128
 129         FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
 130
 131         RecyclerView root = mActivity.findViewById(R.id.transaction_root);
 132         root.setAdapter(modelAdapter);
 133
 134         fab.show();
 135         root.addOnScrollListener(new RecyclerView.OnScrollListener() {
 136             @Override
 137             public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
 138                 if (fab != null) {
 139                     if (dy < 0) fab.show();
 140                     if (dy > 0) fab.hide();
 141                 }
 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             update_transactions();
 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         bTransactionListCancelDownload =
 160                 mActivity.findViewById(R.id.transaction_list_cancel_download);
 161
 162         TransactionListFragment me = this;
 163         MLDB.hook_autocompletion_adapter(mActivity, accNameFilter, "accounts", "name");
 164         accNameFilter.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 165             @Override
 166             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 167                 Log.d("tmp", "direct onItemClick");
 168                 model.reloadTransactions(me);
 169                 MatrixCursor mc = (MatrixCursor) parent.getItemAtPosition(position);
 170                 modelAdapter.setBoldAccountName(mc.getString(1));
 171                 modelAdapter.notifyDataSetChanged();
 172                 Globals.hideSoftKeyboard(mActivity);
 173             }
 174         });
 175
 176         if (mShowOnlyAccountName != null) {
 177             accNameFilter.setText(mShowOnlyAccountName, false);
 178             onShowFilterClick(null);
 179             Log.d("flow", String.format("Account filter set to '%s'", mShowOnlyAccountName));
 180         }
 181
 182         model.reloadTransactions(this);
 183     }
 184     @Override
 185     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 186         inflater.inflate(R.menu.transaction_list, menu);
 187
 188         menuTransactionListFilter = menu.findItem(R.id.menu_transaction_list_filter);
 189         if ((menuTransactionListFilter == null)) throw new AssertionError();
 190
 191         if (mShowOnlyAccountName != null) {
 192             menuTransactionListFilter.setVisible(false);
 193         }
 194
 195         super.onCreateOptionsMenu(menu, inflater);
 196     }
 197     private void update_transactions() {
 198         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 199
 200         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 201                 PreferenceManager.getDefaultSharedPreferences(mActivity));
 202
 203         retrieveTransactionsTask.execute(params);
 204         bTransactionListCancelDownload.setEnabled(true);
 205     }
 206     public void onRetrieveStart() {
 207         progressBar.setIndeterminate(true);
 208         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 209         else progressBar.setProgress(0);
 210         progressLayout.setVisibility(View.VISIBLE);
 211     }
 212     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 213         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 214             (progress.getTotal() == 0))
 215         {
 216             progressBar.setIndeterminate(true);
 217         }
 218         else {
 219             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 220                 progressBar.setMin(0);
 221             }
 222             progressBar.setMax(progress.getTotal());
 223             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 224                 progressBar.setProgress(progress.getProgress(), true);
 225             }
 226             else progressBar.setProgress(progress.getProgress());
 227             progressBar.setIndeterminate(false);
 228         }
 229     }
 230
 231     public void onRetrieveDone(boolean success) {
 232         progressLayout.setVisibility(View.GONE);
 233         swiper.setRefreshing(false);
 234         mActivity.updateLastUpdateText();
 235         if (success) {
 236             Log.d("transactions", "calling notifyDataSetChanged()");
 237             modelAdapter.notifyDataSetChanged();
 238         }
 239     }
 240     public void onClearAccountNameClick(View view) {
 241         vAccountFilter.setVisibility(View.GONE);
 242         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(true);
 243         accNameFilter.setText(null);
 244         mShowOnlyAccountName = null;
 245         model.reloadTransactions(this);
 246         modelAdapter.resetBoldAccountName();
 247         modelAdapter.notifyDataSetChanged();
 248         Globals.hideSoftKeyboard(mActivity);
 249     }
 250     public void onShowFilterClick(MenuItem menuItem) {
 251         vAccountFilter.setVisibility(View.VISIBLE);
 252         if (menuTransactionListFilter != null) menuTransactionListFilter.setVisible(false);
 253         if (menuItem != null) {
 254             accNameFilter.requestFocus();
 255             InputMethodManager imm =
 256                     (InputMethodManager) mActivity.getSystemService(INPUT_METHOD_SERVICE);
 257             imm.showSoftInput(accNameFilter, 0);
 258         }
 259     }
 260     public void onStopTransactionRefreshClick(View view) {
 261         Log.d("interactive", "Cancelling transactions refresh");
 262         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 263         bTransactionListCancelDownload.setEnabled(false);
 264     }
 265 }