package com.tejia.lijin.app.ui.recommend;
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import android.content.Context;
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import android.content.Intent;
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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.widget.FrameLayout;
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import android.widget.ImageView;
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import com.bumptech.glide.Glide;
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import com.bumptech.glide.load.engine.DiskCacheStrategy;
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import com.bumptech.glide.request.RequestOptions;
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import com.tejia.lijin.app.R;
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import com.tejia.lijin.app.entity.TaoBaoGoodsBrief;
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import com.tejia.lijin.app.util.GlideRoundTransform;
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import com.tejia.lijin.app.util.goods.GoodsDetailListUtil;
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import com.tejia.lijin.app.util.ui.GoodsRightViewHolder;
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import com.tejia.lijin.app.util.ui.HomeUIUtil;
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import java.util.List;
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import androidx.recyclerview.widget.GridLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import static com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions.withCrossFade;
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/**
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* Created by weikou2015 on 2017/12/5.
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* 首页推荐商品
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*/
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public class RecommendGoodsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
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private RecyclerView mRecyclerView;
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private List<TaoBaoGoodsBrief> mList;
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private Context mContext;
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private View VIEW_FOOTER;
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private View VIEW_HEADER;
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//Type
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private int TYPE_NORMAL = 1000;
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private int TYPE_HEADER = 1001;
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public int TYPE_FOOTER = 1002;
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private String mFrom;
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int goodsType = 1;
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public RecommendGoodsAdapter(Context context, List<TaoBaoGoodsBrief> list, String from) {
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this.mList = list;
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this.mContext = context;
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this.mFrom = from;
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}
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@Override
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public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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if (viewType == TYPE_FOOTER) {
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return new ViewHolder(VIEW_FOOTER);
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} else if (viewType == TYPE_HEADER) {
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return new ViewHolder(VIEW_HEADER);
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} else {
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View view = LayoutInflater.from(mContext).inflate(R.layout.item_goods, parent, false);
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ViewHolder holder = new ViewHolder(view);
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return holder;
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}
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}
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@Override
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public void onBindViewHolder(RecyclerView.ViewHolder holder1, int position) {
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if (!isHeaderView(position) && !isFooterView(position)) {
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final TaoBaoGoodsBrief info;
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boolean showShadow = false;
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if (haveHeaderView()) {
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info = mList.get(position - 1);
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if (position == 1) {
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showShadow = true;
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}
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} else {
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info = mList.get(position);
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if (position == 0) {
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showShadow = true;
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}
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}
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ViewHolder viewHolder = (ViewHolder) holder1;
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if (showShadow && "jingxuan".equalsIgnoreCase(mFrom)) {
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viewHolder.fl_shadow.setVisibility(View.VISIBLE);
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viewHolder.view_shadow.setBackground(HomeUIUtil.getHomeTopBg(mContext));
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} else {
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viewHolder.fl_shadow.setVisibility(View.GONE);
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}
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//商品详情填充
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GoodsDetailListUtil.setGoodsDetail(mContext, info, viewHolder.goodsDetail);
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// 图片
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try {
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Glide.with(mContext).load(info.getPicUrl()).apply(new RequestOptions().centerCrop()).transform(new GlideRoundTransform(mContext, 5)).transition(withCrossFade()).placeholder(R.drawable.ic_goods_default).diskCacheStrategy(DiskCacheStrategy.ALL).into(viewHolder.iv_pic);
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} catch (IllegalArgumentException e) {
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}
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viewHolder.view.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent =new Intent(mContext,GoodsDetailActivity.class);
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intent.putExtra("goodsId", info.getGoodsId());
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intent.putExtra("goodsType", info.getGoodsType());
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intent.putExtra("title", info.getTitle());
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mContext.startActivity(intent);
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}
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});
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}
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}
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protected void setGoodsType(int goodsType) {
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this.goodsType = goodsType;
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}
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@Override
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public int getItemCount() {
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int count = (mList == null ? 0 : mList.size());
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if (VIEW_FOOTER != null) {
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count++;
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}
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if (VIEW_HEADER != null) {
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count++;
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}
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return count;
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}
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@Override
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public int getItemViewType(int position) {
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if (isHeaderView(position)) {
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return TYPE_HEADER;
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} else if (isFooterView(position)) {
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return TYPE_FOOTER;
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} else {
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return TYPE_NORMAL;
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}
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}
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@Override
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public void onAttachedToRecyclerView(RecyclerView recyclerView) {
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try {
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if (mRecyclerView == null && mRecyclerView != recyclerView) {
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mRecyclerView = recyclerView;
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}
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ifGridLayoutManager();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private View getLayout(int layoutId) {
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return LayoutInflater.from(mContext).inflate(layoutId, null);
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}
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public void addHeaderView(View headerView) {
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if (haveHeaderView()) {
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throw new IllegalStateException("hearview has already exists!");
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} else {
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//避免出现宽度自适应
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ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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headerView.setLayoutParams(params);
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VIEW_HEADER = headerView;
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ifGridLayoutManager();
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notifyItemInserted(0);
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}
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}
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public void addFooterView(View footerView) {
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if (haveFooterView()) {
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throw new IllegalStateException("footerView has already exists!");
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} else {
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ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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footerView.setLayoutParams(params);
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VIEW_FOOTER = footerView;
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ifGridLayoutManager();
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notifyItemInserted(getItemCount() - 1);
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}
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}
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private void ifGridLayoutManager() {
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if (mRecyclerView == null) return;
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final RecyclerView.LayoutManager layoutManager = mRecyclerView.getLayoutManager();
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if (layoutManager instanceof GridLayoutManager) {
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((GridLayoutManager) layoutManager).setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
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@Override
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public int getSpanSize(int position) {
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if (isHeaderView(position) || isFooterView(position)) {
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return ((GridLayoutManager) layoutManager).getSpanCount();
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} else {
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return 1;
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}
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}
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});
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}
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}
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public boolean haveHeaderView() {
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return VIEW_HEADER != null;
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}
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public boolean haveFooterView() {
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return VIEW_FOOTER != null;
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}
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private boolean isHeaderView(int position) {
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return haveHeaderView() && position == 0;
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}
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private boolean isFooterView(int position) {
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return haveFooterView() && position >= getItemCount() - 1;
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}
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class ViewHolder extends RecyclerView.ViewHolder {
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View view;
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//首页背景
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FrameLayout fl_shadow;
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View view_shadow;
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/*********内容*********/
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ImageView iv_pic;
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GoodsRightViewHolder goodsDetail;
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public ViewHolder(View convertView) {
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super(convertView);
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/*
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竖屏
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*/
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view = convertView;
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goodsDetail = new GoodsRightViewHolder(convertView);
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iv_pic = convertView
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.findViewById(R.id.iv_pic);
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fl_shadow = convertView
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.findViewById(R.id.fl_shadow);
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view_shadow = convertView
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.findViewById(R.id.view_shadow);
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}
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}
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}
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