NativeRecyclerViewFragment.java

/*
 * ******************************************************************************
 *   Copyright (c) 2013-2014 Gabriele Mariotti.
 *
 *   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 it.gmariotti.cardslib.demo.fragment.nativeview;

import android.os.AsyncTask;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v7.widget.LinearLayoutManager;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.ArrayList;

import it.gmariotti.cardslib.demo.R;
import it.gmariotti.cardslib.library.internal.Card;
import it.gmariotti.cardslib.library.internal.CardExpand;
import it.gmariotti.cardslib.library.internal.CardHeader;
import it.gmariotti.cardslib.library.internal.base.BaseCard;
import it.gmariotti.cardslib.library.recyclerview.internal.CardArrayRecyclerViewAdapter;
import it.gmariotti.cardslib.library.recyclerview.view.CardRecyclerView;


/**
 * @author Gabriele Mariotti (gabri.mariotti@gmail.com)
 */
public class NativeRecyclerViewFragment extends BaseNativeListFragment {

    CardArrayRecyclerViewAdapter mCardArrayAdapter;

    @Override
    protected int getSubTitleHeaderResourceId() {
        return R.string.header_title_subtitle_recyclerview;
    }

    @Override
    protected int getTitleHeaderResourceId() {
        return R.string.header_title_group3;
    }

    @Override
    protected String getDocUrl() {
        return "https://github.com/gabrielemariotti/cardslib/blob/master/doc/RECYCLERVIEW.md";
    }

    @Override
    protected String getSourceUrl() {
        return "https://github.com/gabrielemariotti/cardslib/blob/master/demo/stock/src/main/java/it/gmariotti/cardslib/demo/fragment/nativeview/NativeRecyclerViewFragment.java";
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return  inflater.inflate(R.layout.demo_fragment_native_recyclerview, container, false);
    }

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

        hideList(false);

        //Set the arrayAdapter
        ArrayList<Card> cards = new ArrayList<Card>();

        mCardArrayAdapter = new CardArrayRecyclerViewAdapter(getActivity(), cards);

        //Staggered grid view
        CardRecyclerView mRecyclerView = (CardRecyclerView) getActivity().findViewById(R.id.carddemo_recyclerview);
        mRecyclerView.setHasFixedSize(false);
        mRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));

        //Set the empty view
        if (mRecyclerView != null) {
            mRecyclerView.setAdapter(mCardArrayAdapter);
        }

        //Load cards
        new LoaderAsyncTask().execute();
    }

    //-------------------------------------------------------------------------------------------------------------
    // Images loader
    //-------------------------------------------------------------------------------------------------------------
    /**
     * Async Task to elaborate images
     */
    class LoaderAsyncTask extends AsyncTask<Void, Void, ArrayList<Card>> {

        LoaderAsyncTask() {
        }

        @Override
        protected ArrayList<Card> doInBackground(Void... params) {
            //elaborate images
            SystemClock.sleep(1000); //delay to simulate download, don't use it in a real app
            if (isAdded()) {
                ArrayList<Card> cards = initCard();
                return cards;
            }else
                return null;
        }

        @Override
        protected void onPostExecute(ArrayList<Card> cards) {
            //Update the adapter
            updateAdapter(cards);
            displayList();
        }
    }


    /**
     * This method builds a simple list of cards
     */
    private ArrayList<Card> initCard() {

        //Init an array of Cards
        ArrayList<Card> cards = new ArrayList<Card>();
        for (int i = 0; i < 200; i++) {
            Card card = new Card(this.getActivity());
            card.setTitle("Application example "+i);

            //Create a CardHeader
            CardHeader header = new CardHeader(getActivity());

            //Set the header title
            header.setTitle(getString(R.string.demo_header_basetitle));

            if ( i < 10) {
                //Add a popup menu. This method set OverFlow button to visible
                header.setPopupMenu(R.menu.popupmain, new CardHeader.OnClickCardHeaderPopupMenuListener() {
                    @Override
                    public void onMenuItemClick(BaseCard card, MenuItem item) {
                        Toast.makeText(getActivity(), "Click on " + item.getTitle(), Toast.LENGTH_SHORT).show();
                    }
                });
                card.addCardHeader(header);
            }else{
                //Set visible the expand/collapse button
                header.setButtonExpandVisible(true);
                card.addCardHeader(header);
                //This provides a simple (and useless) expand area
                CardExpand expand = new CardExpand(getActivity());
                //Set inner title in Expand Area
                expand.setTitle(getString(R.string.demo_expand_basetitle));
                card.addCardExpand(expand);

                if (i==12 || i==17 || i==19)
                    card.setExpanded(true);
            }

            //Add ClickListener
            card.setOnClickListener(new Card.OnCardClickListener() {
                @Override
                public void onClick(Card card, View view) {
                    Toast.makeText(getActivity(), "Click Listener card=" + card.getTitle(), Toast.LENGTH_SHORT).show();
                }
            });

            cards.add(card);
        }

        return cards;
    }

    /**
     * Update the adapter
     */
    private void updateAdapter(ArrayList<Card> cards) {
        if (cards != null) {
            mCardArrayAdapter.addAll(cards);
        }
    }


}