/* Copyright 2015 Esri
 *
 * 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 com.arcgis.android.samples.geometrysample;

import android.app.Activity;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class SampleListFragment extends ListFragment {
	OnSampleNameSelectedListener mCallback;

	// The container Activity must implement this interface so the frag can
	// deliver messages
	public interface OnSampleNameSelectedListener {
		/** Called by SampleListFragment when a list item is selected */
		public void onArticleSelected(int position);
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		// We need to use a different list item layout for devices older than
		// Honeycomb
		int layout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ? android.R.layout.simple_list_item_activated_1
				: android.R.layout.simple_list_item_1;

		// Create an array adapter for the list view, using the SampleNames
		// array
		setListAdapter(new ArrayAdapter<String>(getActivity(), layout,
				getResources().getStringArray(R.array.sample_names)));

	}

	@Override
	public void onStart() {
		super.onStart();

		// When in two-pane layout, set the listview to highlight the selected
		// list item
		// (We do this during onStart because at the point the listview is
		// available.)
		if (getFragmentManager().findFragmentById(R.id.sample_fragment) != null) {
			getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
		}
	}

	@Override
	public void onAttach(Activity activity) {
		super.onAttach(activity);

		// This makes sure that the container activity has implemented
		// the callback interface. If not, it throws an exception.
		try {
			mCallback = (OnSampleNameSelectedListener) activity;
		} catch (ClassCastException e) {
			throw new ClassCastException(activity.toString()
					+ " must implement OnSampleNameSelectedListener");
		}
	}

	@Override
	public void onListItemClick(ListView l, View v, int position, long id) {
		// Notify the parent activity of selected item
		mCallback.onArticleSelected(position);

		// Set the item as checked to be highlighted when in two-pane layout
		getListView().setItemChecked(position, true);
	}
}