package org.onebrick.android.fragments;
import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import com.activeandroid.content.ContentProvider;
import org.onebrick.android.R;
import org.onebrick.android.models.Chapter;
import butterknife.Bind;
import butterknife.ButterKnife;
/**
* A fragment representing a list to select chapter.
* Activities containing this fragment MUST implement the {@link org.onebrick.android.fragments.SelectChapterFragment.OnSelectChapterListener}
* interface.
*/
public class SelectChapterFragment extends Fragment implements AbsListView.OnItemClickListener,
LoaderManager.LoaderCallbacks<Cursor> {
private static final int CHAPTER_LOADER = 1;
@Bind(R.id.lvChapters)
ListView lvChapters;
private SimpleCursorAdapter mAdapter;
private OnSelectChapterListener mListener;
public SelectChapterFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAdapter = new SimpleCursorAdapter(getActivity(),
android.R.layout.simple_list_item_1, null,
new String[]{Chapter.NAME},
new int[]{android.R.id.text1},
0);
getLoaderManager().initLoader(CHAPTER_LOADER, null, this);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_chapter_list, container, false);
ButterKnife.bind(this, view);
return view;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
lvChapters.setAdapter(mAdapter);
lvChapters.setOnItemClickListener(this);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
mListener = (OnSelectChapterListener) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDestroyView() {
super.onDestroyView();
ButterKnife.unbind(this);
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new CursorLoader(getActivity(),
ContentProvider.createUri(Chapter.class, null),
null,
null,
null,
Chapter.NAME + " ASC");
}
@Override
public void onLoadFinished(android.support.v4.content.Loader<Cursor> cursorLoader, Cursor cursor) {
mAdapter.swapCursor(cursor);
}
@Override
public void onLoaderReset(android.support.v4.content.Loader<Cursor> cursorLoader) {
mAdapter.swapCursor(null);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (mListener != null) {
final Cursor cursor = (Cursor) mAdapter.getItem(position);
final Chapter chapter = Chapter.fromCursor(cursor);
mListener.onSelectChapter(chapter);
}
}
/**
* This interface must be implemented by activities that contain this
* fragment to allow an interaction in this fragment to be communicated
* to the activity and potentially other fragments contained in that
* activity.
*/
public interface OnSelectChapterListener {
public void onSelectChapter(@NonNull Chapter chapter);
}
}