Android Open Source - masterdetail-j2objc-swift Detail Fragment

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2014 Kirk C. Vogen/*  w ww.ja v a 2  s.  c  om*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package masterdetail.android;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import masterdetail.android.service.LocalStorageService;
import masterdetail.android.viewmodel.ViewModelListener;
import masterdetail.service.FlatFileDetailService;
import masterdetail.service.StorageService;
import masterdetail.viewmodel.DetailViewModel;

import masterdetail.android.R;
import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

/**
 * A fragment representing a single DetailEntry detail screen. This fragment is either contained in
 * a {@link MasterActivity} in two-pane mode (on tablets) or a {@link DetailActivity} on handsets.
 */
public class DetailFragment extends Fragment {
  
  /** The fragment argument representing the item ID that this fragment represents. */
  public static final String ARG_ITEM_ID = "item_id";

  private DetailViewModel viewModel;
  
  private ViewModelListener<DetailViewModel> viewModelListener;
  
  /**
   * Mandatory empty constructor for the fragment manager to instantiate the fragment (e.g. upon
   * screen orientation changes).
   */
  public DetailFragment() {
  }

  @SuppressWarnings("unchecked")
  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    this.viewModelListener = (ViewModelListener<DetailViewModel>) activity;
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    StorageService storageService = new LocalStorageService(getActivity());
    viewModel = new DetailViewModel(new FlatFileDetailService(storageService));
    viewModelListener.onViewModelCreated(viewModel);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    final View rootView = inflater.inflate(R.layout.fragment_detail, container,
        false);

    final EditText title = (EditText) rootView.findViewById(
        R.id.masterdetail_detail_title);
    final EditText words = (EditText) rootView.findViewById(
        R.id.masterdetail_detail_words);
    
    viewModel.addPropertyChangeListener(new PropertyChangeListener() {
      
      @Override
      public void propertyChange(PropertyChangeEvent event) {
        if (DetailViewModel.TITLE.equals(event.getPropertyName())) {
          title.setText((String) event.getNewValue());
        }
        else if (DetailViewModel.WORDS.equals(event.getPropertyName())) {
          words.setText((String) event.getNewValue());
        }
      }
    });
    
    viewModel.init(getArguments().getInt(ARG_ITEM_ID));

    return rootView;
  }
}

Java Source Code List

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