app/src/main/java/net/ktnx/mobileledger/ui/patterns/PatternsActivity.java

   1 /*
   2  * Copyright © 2021 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe 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  * MoLe 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 MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.patterns;
  19
  20 import android.os.Bundle;
  21 import android.view.Menu;
  22 import android.view.MenuItem;
  23
  24 import androidx.appcompat.app.ActionBar;
  25 import androidx.lifecycle.ViewModelProvider;
  26 import androidx.lifecycle.ViewModelStoreOwner;
  27 import androidx.navigation.NavController;
  28 import androidx.navigation.fragment.NavHostFragment;
  29
  30 import net.ktnx.mobileledger.R;
  31 import net.ktnx.mobileledger.databinding.ActivityPatternsBinding;
  32 import net.ktnx.mobileledger.ui.activity.CrashReportingActivity;
  33 import net.ktnx.mobileledger.utils.Logger;
  34
  35 import java.util.Objects;
  36
  37 public class PatternsActivity extends CrashReportingActivity
  38         implements PatternListFragment.OnPatternListFragmentInteractionListener {
  39     public static final String ARG_ADD_PATTERN = "add-pattern";
  40     private ActivityPatternsBinding b;
  41     private NavController navController;
  42     @Override
  43     public boolean onCreateOptionsMenu(Menu menu) {
  44         super.onCreateOptionsMenu(menu);
  45         getMenuInflater().inflate(R.menu.pattern_list_menu, menu);
  46
  47         return true;
  48     }
  49     @Override
  50     protected void onCreate(Bundle savedInstanceState) {
  51         super.onCreate(savedInstanceState);
  52         b = ActivityPatternsBinding.inflate(getLayoutInflater());
  53         setContentView(b.getRoot());
  54         setSupportActionBar(b.toolbar);
  55         // Show the Up button in the action bar.
  56         ActionBar actionBar = getSupportActionBar();
  57         if (actionBar != null) {
  58             actionBar.setDisplayHomeAsUpEnabled(true);
  59         }
  60
  61         NavHostFragment navHostFragment = (NavHostFragment) Objects.requireNonNull(
  62                 getSupportFragmentManager().findFragmentById(R.id.fragment_container));
  63         navController = navHostFragment.getNavController();
  64
  65         navController.addOnDestinationChangedListener((controller, destination, arguments) -> {
  66             if (destination.getId() == R.id.patternListFragment) {
  67                 b.fabAdd.show();
  68                 b.fabSave.hide();
  69                 b.toolbarLayout.setTitle(getString(R.string.title_activity_patterns));
  70             }
  71             if (destination.getId() == R.id.patternDetailsFragment) {
  72                 b.fabAdd.hide();
  73                 b.fabSave.show();
  74             }
  75         });
  76
  77         b.toolbarLayout.setTitle(getString(R.string.title_activity_patterns));
  78
  79         b.fabAdd.setOnClickListener(v -> onEditPattern(null));
  80         b.fabSave.setOnClickListener(v -> onSavePattern());
  81     }
  82     @Override
  83     public boolean onOptionsItemSelected(MenuItem item) {
  84         if (item.getItemId() == android.R.id.home) {
  85             if (navController.getCurrentDestination()
  86                              .getId() == R.id.patternDetailsFragment)
  87                 navController.popBackStack();
  88             else
  89                 finish();
  90
  91             return true;
  92         }
  93         return super.onOptionsItemSelected(item);
  94     }
  95
  96     @Override
  97     public void onEditPattern(Long id) {
  98         if (id == null) {
  99             navController.navigate(R.id.action_patternListFragment_to_patternDetailsFragment);
 100             b.toolbarLayout.setTitle(getString(R.string.title_new_pattern));
 101         }
 102         else {
 103             Bundle bundle = new Bundle();
 104             bundle.putLong(PatternDetailsFragment.ARG_PATTERN_ID, id);
 105             navController.navigate(R.id.action_patternListFragment_to_patternDetailsFragment,
 106                     bundle);
 107             b.toolbarLayout.setTitle(getString(R.string.title_edit_pattern));
 108         }
 109     }
 110     @Override
 111     public void onSavePattern() {
 112         final ViewModelStoreOwner viewModelStoreOwner =
 113                 navController.getViewModelStoreOwner(R.id.pattern_list_navigation);
 114         PatternDetailsViewModel model =
 115                 new ViewModelProvider(viewModelStoreOwner).get(PatternDetailsViewModel.class);
 116         Logger.debug("flow", "PatternsActivity.onSavePattern(): model=" + model);
 117         model.onSavePattern();
 118         navController.navigateUp();
 119     }
 120     public NavController getNavController() {
 121         return navController;
 122     }
 123 }