com.groksolutions.grok.mobile.SortBarFragment.java Source code

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Here is the source code for com.groksolutions.grok.mobile.SortBarFragment.java

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/*
 * Numenta Platform for Intelligent Computing (NuPIC)
 * Copyright (C) 2015, Numenta, Inc.  Unless you have purchased from
 * Numenta, Inc. a separate commercial license for this software code, the
 * following terms and conditions apply:
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero Public License for more details.
 *
 * You should have received a copy of the GNU Affero Public License
 * along with this program.  If not, see http://www.gnu.org/licenses.
 *
 * http://numenta.org/licenses/
 *
 */

package com.groksolutions.grok.mobile;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;

/**
 * Sort Bar Fragment
 */
public class SortBarFragment extends Fragment implements OnCheckedChangeListener {

    public interface SortBarListener {
        public void onSortChanged(int newSortByValue);
    }

    private SortBarListener _listener;

    /**
     * Sort Bar fragment
     */
    public SortBarFragment() {
    }

    /*
     * (non-Javadoc)
     * @see android.app.Fragment#onCreateView(android.view.LayoutInflater,
     * android.view.ViewGroup, android.os.Bundle)
     */
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        RadioGroup sortBar = (RadioGroup) inflater.inflate(R.layout.fragment_sort_bar, container, false);
        sortBar.setOnCheckedChangeListener(this);
        return sortBar;
    }

    /*
     * (non-Javadoc)
     * @see android.support.v4.app.Fragment#onAttach(android.app.Activity)
     */
    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            this._listener = (SortBarListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement SortBarListener");
        }
    }

    /*
     * (non-Javadoc)
     * @see android.support.v4.app.Fragment#onDetach()
     */
    @Override
    public void onDetach() {
        super.onDetach();
        this._listener = null;
    }

    /*
     * (non-Javadoc)
     * @see
     * android.widget.RadioGroup.OnCheckedChangeListener#onCheckedChanged(android
     * .widget.RadioGroup, int)
     */
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
        if (this._listener != null) {
            this._listener.onSortChanged(checkedId);
        }
    }

}