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@@ -1,41 +1,192 @@ |
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package com.sergey.redditreader.ui; |
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import android.content.Context; |
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import android.graphics.drawable.Drawable; |
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import android.support.v7.widget.LinearLayoutManager; |
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import android.support.v7.widget.RecyclerView; |
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import android.text.TextUtils; |
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import android.util.Log; |
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import android.util.TypedValue; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import android.view.animation.Transformation; |
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import android.widget.ImageView; |
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import android.widget.TextView; |
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import com.sergey.redditreader.R; |
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import com.sergey.redditreader.Util; |
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import com.sergey.redditreader.model.RedditChild; |
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import com.squareup.picasso.Callback; |
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import com.squareup.picasso.Picasso; |
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import java.util.ArrayList; |
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import java.util.List; |
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/** |
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* Created by user on 23.09.2017. |
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*/ |
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public class RedditsAdapter extends RecyclerView.Adapter<RedditsAdapter.ViewHolder> { |
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private final static String TAG = RedditsAdapter.class.getSimpleName(); |
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private final static int VIEW_TYPE_ITEM = 0; |
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private final static int VIEW_TYPE_LOADING = 1; |
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private Context context; |
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private List<RedditChild> reddits = new ArrayList<>(); |
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private OnLoadMoreListener loadMoreListener; |
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private RecyclerView recyclerView; |
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public RedditsAdapter(Context c) { |
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private boolean isLoading; |
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private int lastVisibleItem, totalItemCount; |
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private int visibleThreshold = 5; |
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public RedditsAdapter(Context c, List<RedditChild> items, OnLoadMoreListener listener, RecyclerView view) { |
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context = c; |
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reddits.addAll(items); |
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loadMoreListener = listener; |
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recyclerView = view; |
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final LinearLayoutManager linearLayoutManager = (LinearLayoutManager) recyclerView.getLayoutManager(); |
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recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { |
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@Override |
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public void onScrolled(RecyclerView recyclerView, int dx, int dy) { |
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super.onScrolled(recyclerView, dx, dy); |
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// Log.d(TAG, "onScrolled"); |
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totalItemCount = linearLayoutManager.getItemCount(); |
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lastVisibleItem = linearLayoutManager.findLastVisibleItemPosition(); |
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if (!isLoading && totalItemCount <= (lastVisibleItem + visibleThreshold)) { |
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if (loadMoreListener != null) { |
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Log.d(TAG, "onScrolled: loadmore"); |
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loadMoreListener.onLoadMore(); |
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} |
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isLoading = true; |
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} |
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} |
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}); |
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} |
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public void addItems(List<RedditChild> items) { |
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// Log.i(TAG, "addItems:" + items.size() + " before:" + reddits.size()); |
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int insertedPositionStart = reddits.size(); |
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reddits.addAll(items); |
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// Log.i(TAG, "addItems:from=" + insertedPositionStart + " after:" + reddits.size()); |
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notifyItemRangeInserted(insertedPositionStart, items.size()); |
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} |
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public void updateItems(List<RedditChild> items) { |
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reddits.clear(); |
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notifyDataSetChanged(); |
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reddits.addAll(items); |
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notifyDataSetChanged(); |
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} |
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@Override |
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public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
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return null; |
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Context context = parent.getContext(); |
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LayoutInflater inflater = LayoutInflater.from(context); |
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View contactView = inflater.inflate(R.layout.reddit_item, parent, false); |
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ViewHolder viewHolder = new ViewHolder(contactView); |
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return viewHolder; |
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} |
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@Override |
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public void onBindViewHolder(ViewHolder holder, int position) { |
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RedditChild item = reddits.get(position); |
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holder.title.setText(item.data.title); |
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holder.date.setText(Util.getTimeAgoString(item.data.date)); |
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holder.author.setText(Util.getAuthorString(item.data.author)); |
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holder.comments.setText(Util.getCommentsString(item.data.num_comments)); |
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setImage(holder.image, item.data.thumbnail, item.data.thumbnailWidth, item.data.thumbnailHeight); |
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// if(position == getItemCount() - 1) { |
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// if(loadMoreListener != null) loadMoreListener.onLoadMore(); |
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// } |
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} |
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private void setImage(ImageView imageView, String url, int w, int h) { |
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Log.i(TAG, "setImage url:" + url); |
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// imageView.setImageResource(R.drawable.default_reddit); |
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if(!TextUtils.isEmpty(url) && !url.equals("self") && !url.equals("default")) { |
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// imageView.setMinimumWidth(w); |
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// imageView.setMinimumHeight(h); |
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Log.i(TAG, "setImage picasso:" + url); |
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Picasso.with(context).load(url) |
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.fit().centerCrop().into(imageView, new Callback() { |
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@Override |
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public void onSuccess() { |
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Log.i(TAG, "onSuccess url"); |
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} |
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@Override |
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public void onError() { |
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Log.i(TAG, "onError url"); |
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} |
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}); |
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} else { |
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Log.i(TAG, "setImage default"); |
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Picasso.with(context).load(R.drawable.default_reddit).into(imageView, new Callback() { |
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@Override |
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public void onSuccess() { |
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Log.i(TAG, "onSuccess default"); |
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} |
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@Override |
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public void onError() { |
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Log.i(TAG, "onError default"); |
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} |
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}); |
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// imageView.setImageResource(R.drawable.default_reddit); |
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// imageView.setImageDrawable(context.getResources().getDrawable(R.drawable.default_reddit)); |
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// Drawable drawable = context.getResources().getDrawable(R.drawable.default_reddit); |
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// imageView.setBackgroundDrawable(drawable); |
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} |
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} |
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@Override |
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public int getItemCount() { |
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return 0; |
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return reddits.size(); |
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} |
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public class ViewHolder extends RecyclerView.ViewHolder { |
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@Override public int getItemViewType(int position) { |
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return super.getItemViewType(position); |
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} |
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public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener { |
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public TextView title; |
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public TextView date; |
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public TextView author; |
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public TextView comments; |
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public ImageView image; |
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public ViewHolder(View itemView) { |
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super(itemView); |
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title = (TextView) itemView.findViewById(R.id.title); |
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date = (TextView) itemView.findViewById(R.id.date); |
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author = (TextView) itemView.findViewById(R.id.author); |
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comments = (TextView) itemView.findViewById(R.id.comments); |
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image = (ImageView) itemView.findViewById(R.id.image); |
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itemView.setOnClickListener(this); |
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} |
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@Override |
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public void onClick(View view) { |
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} |
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} |
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public void setLoaded() { |
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isLoading = false; |
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} |
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public interface OnLoadMoreListener { |
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void onLoadMore(); |
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} |
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} |
