app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplatesActivity.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.templates;
  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.NavDestination;
  29 import androidx.navigation.fragment.NavHostFragment;
  30
  31 import net.ktnx.mobileledger.R;
  32 import net.ktnx.mobileledger.databinding.ActivityTemplatesBinding;
  33 import net.ktnx.mobileledger.ui.activity.CrashReportingActivity;
  34 import net.ktnx.mobileledger.utils.Logger;
  35
  36 import java.util.Objects;
  37
  38 public class TemplatesActivity extends CrashReportingActivity
  39         implements TemplateListFragment.OnTemplateListFragmentInteractionListener {
  40     public static final String ARG_ADD_TEMPLATE = "add-template";
  41     private ActivityTemplatesBinding b;
  42     private NavController navController;
  43     @Override
  44     public boolean onCreateOptionsMenu(Menu menu) {
  45         super.onCreateOptionsMenu(menu);
  46         getMenuInflater().inflate(R.menu.template_list_menu, menu);
  47
  48         return true;
  49     }
  50     @Override
  51     protected void onCreate(Bundle savedInstanceState) {
  52         super.onCreate(savedInstanceState);
  53         b = ActivityTemplatesBinding.inflate(getLayoutInflater());
  54         setContentView(b.getRoot());
  55         setSupportActionBar(b.toolbar);
  56         // Show the Up button in the action bar.
  57         ActionBar actionBar = getSupportActionBar();
  58         if (actionBar != null) {
  59             actionBar.setDisplayHomeAsUpEnabled(true);
  60         }
  61
  62         NavHostFragment navHostFragment = (NavHostFragment) Objects.requireNonNull(
  63                 getSupportFragmentManager().findFragmentById(R.id.fragment_container));
  64         navController = navHostFragment.getNavController();
  65
  66         navController.addOnDestinationChangedListener((controller, destination, arguments) -> {
  67             if (destination.getId() == R.id.templateListFragment) {
  68                 b.fabAdd.show();
  69                 b.fabSave.hide();
  70                 b.toolbarLayout.setTitle(getString(R.string.title_activity_templates));
  71             }
  72             if (destination.getId() == R.id.templateDetailsFragment) {
  73                 b.fabAdd.hide();
  74                 b.fabSave.show();
  75             }
  76         });
  77
  78         b.toolbarLayout.setTitle(getString(R.string.title_activity_templates));
  79
  80         b.fabAdd.setOnClickListener(v -> onEditTemplate(null));
  81         b.fabSave.setOnClickListener(v -> onSaveTemplate());
  82     }
  83     @Override
  84     public boolean onOptionsItemSelected(MenuItem item) {
  85         if (item.getItemId() == android.R.id.home) {
  86             final NavDestination currentDestination = navController.getCurrentDestination();
  87             if (currentDestination != null &&
  88                 currentDestination.getId() == R.id.templateDetailsFragment)
  89                 navController.popBackStack();
  90             else
  91                 finish();
  92
  93             return true;
  94         }
  95         return super.onOptionsItemSelected(item);
  96     }
  97
  98     @Override
  99     public void onEditTemplate(Long id) {
 100         if (id == null) {
 101             navController.navigate(R.id.action_templateListFragment_to_templateDetailsFragment);
 102             b.toolbarLayout.setTitle(getString(R.string.title_new_template));
 103         }
 104         else {
 105             Bundle bundle = new Bundle();
 106             bundle.putLong(TemplateDetailsFragment.ARG_TEMPLATE_ID, id);
 107             navController.navigate(R.id.action_templateListFragment_to_templateDetailsFragment,
 108                     bundle);
 109             b.toolbarLayout.setTitle(getString(R.string.title_edit_template));
 110         }
 111     }
 112     @Override
 113     public void onSaveTemplate() {
 114         final ViewModelStoreOwner viewModelStoreOwner =
 115                 navController.getViewModelStoreOwner(R.id.template_list_navigation);
 116         TemplateDetailsViewModel model =
 117                 new ViewModelProvider(viewModelStoreOwner).get(TemplateDetailsViewModel.class);
 118         Logger.debug("flow", "TemplatesActivity.onSavePattern(): model=" + model);
 119         model.onSaveTemplate();
 120         navController.navigateUp();
 121     }
 122     public NavController getNavController() {
 123         return navController;
 124     }
 125 }