/*
* ******************************************************************************
* Copyright (c) 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.extras.fragment.nativeview;
import android.app.Activity;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import java.util.ArrayList;
import it.gmariotti.cardslib.demo.extras.R;
import it.gmariotti.cardslib.demo.extras.staggered.DynamicHeightPicassoCardThumbnailView;
import it.gmariotti.cardslib.demo.extras.staggered.data.Image;
import it.gmariotti.cardslib.demo.extras.staggered.data.MockImageLoader;
import it.gmariotti.cardslib.demo.extras.staggered.data.Section;
import it.gmariotti.cardslib.demo.extras.staggered.data.ServerDatabase;
import it.gmariotti.cardslib.library.extra.staggeredgrid.internal.CardGridStaggeredArrayAdapter;
import it.gmariotti.cardslib.library.extra.staggeredgrid.view.CardGridStaggeredView;
import it.gmariotti.cardslib.library.internal.Card;
import it.gmariotti.cardslib.library.internal.CardThumbnail;
/**
* This example uses a staggered card with different different photos and text.
* <p/>
* This example uses cards with a foreground layout.
* Pay attention to style="@style/card.main_layout_foreground" in card layout.
* <p/>
* .DynamicHeightPicassoCardThumbnailView
*
* @author Gabriele Mariotti (gabri.mariotti@gmail.com)
*/
public class NativeStaggeredGridFragment extends BaseNativeListFragment {
ServerDatabase mServerDatabase;
CardGridStaggeredArrayAdapter mCardArrayAdapter;
public NativeStaggeredGridFragment() {
super();
}
@Override
public int getTitleResourceId() {
return R.string.carddemo_extras_title_staggered;
}
@Override
protected int getSubTitleHeaderResourceId() {
return R.string.carddemo_extras_title_staggered;
}
@Override
protected int getTitleHeaderResourceId() {
return R.string.header_title_group1;
}
@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/extra/src/main/java/it/gmariotti/cardslib/demo/fragment/nativeview/NativeStaggeredGridFragment.java";
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.demo_extras_native_fragment_staggeredgrid, container, false);
setupListFragment(root);
return root;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
new LoaderInitAsyncTask(activity).execute();
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
hideList(false);
//Set the arrayAdapter
ArrayList<Card> cards = new ArrayList<Card>();
mCardArrayAdapter = new CardGridStaggeredArrayAdapter(getActivity(), cards);
//Staggered grid view
CardGridStaggeredView staggeredView = (CardGridStaggeredView) getActivity().findViewById(R.id.carddemo_extras_grid_stag);
//Set the empty view
staggeredView.setEmptyView(getActivity().findViewById(android.R.id.empty));
if (staggeredView != null) {
staggeredView.setAdapter(mCardArrayAdapter);
}
//Load cards
new LoaderAsyncTask().execute();
}
//-------------------------------------------------------------------------------------------------------------
// Images loader
//-------------------------------------------------------------------------------------------------------------
/**
* Async Task to init images
*/
class LoaderInitAsyncTask extends AsyncTask<Void, Void, Void> {
Context mContext;
LoaderInitAsyncTask(Context context) {
mContext = context;
}
@Override
protected Void doInBackground(Void... params) {
//Initialize Image loader
MockImageLoader loader = MockImageLoader.getInstance(((Activity) mContext).getApplication());
mServerDatabase = new ServerDatabase(loader);
return null;
}
}
/**
* 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
mServerDatabase.getImagesForSection(Section.STAG);
ArrayList<Card> cards = initCard();
return cards;
}
@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() {
ArrayList<Card> cards = new ArrayList<Card>();
for (int i = 0; i < 100; i++) {
StaggeredCard card = new StaggeredCard(getActivity());
card.headerTitle = "PHOTO " + i;
//Only for test, use different images from images loader
int xx = i % 8;
switch (xx) {
case 0:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(0);
break;
case 1:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(1);
break;
case 2:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(2);
break;
case 3:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(3);
break;
case 4:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(4);
break;
case 5:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(5);
break;
case 6:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(6);
break;
case 7:
card.image = mServerDatabase.getImagesForSection(Section.STAG).get(7);
break;
}
card.init();
cards.add(card);
}
return cards;
}
/**
* Update the adapter
*/
private void updateAdapter(ArrayList<Card> cards) {
if (cards != null) {
mCardArrayAdapter.addAll(cards);
mCardArrayAdapter.notifyDataSetChanged();
}
}
//-------------------------------------------------------------------------------------------------------------
// Cards
//-------------------------------------------------------------------------------------------------------------
/**
* Card
*/
public class StaggeredCard extends Card {
protected int height;
protected String headerTitle;
protected Image image;
public StaggeredCard(Context context) {
super(context, R.layout.carddemo_extras_staggered_inner_main);
}
private void init() {
/*
//Add the header
CardHeader header = new CardHeader(getContext());
header.setTitle(headerTitle);
header.setPopupMenu(R.menu.extras_popupmain, new CardHeader.OnClickCardHeaderPopupMenuListener() {
@Override
public void onMenuItemClick(BaseCard card, MenuItem item) {
Toast.makeText(getContext(),"Header:"+ ((Card) card).getCardHeader().getTitle() + "Item " + item.getTitle(), Toast.LENGTH_SHORT).show();
}
});
addCardHeader(header);
*/
//Add the thumbnail
StaggeredCardThumb thumbnail = new StaggeredCardThumb(getContext());
thumbnail.image = image;
addCardThumbnail(thumbnail);
//A simple clickListener
setOnClickListener(new OnCardClickListener() {
@Override
public void onClick(Card card, View view) {
//Do something
}
});
}
@Override
public void setupInnerViewElements(ViewGroup parent, View view) {
TextView title = (TextView) view.findViewById(R.id.carddemo_staggered_inner_title);
title.setText(image.title.toUpperCase());
TextView subtitle = (TextView) view.findViewById(R.id.carddemo_staggered_inner_subtitle);
subtitle.setText(getString(R.string.carddemo_extras_title_stag));
}
/**
* A StaggeredCardThumbnail.
* It uses a DynamicHeightPicassoCardThumbnailView which maintains its own width to height ratio.
*/
class StaggeredCardThumb extends CardThumbnail {
Image image;
public StaggeredCardThumb(Context context) {
super(context);
setExternalUsage(true);
}
@Override
public void setupInnerViewElements(ViewGroup parent, View viewImage) {
//Use a DynamicHeightPicassoCardThumbnailView to maintain width/height ratio
DynamicHeightPicassoCardThumbnailView thumbView = (DynamicHeightPicassoCardThumbnailView) getCardThumbnailView();
thumbView.bindTo(image);
}
}
}
}