GankAdapter.java

package com.smartalk.gank.ui.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.smartalk.gank.R;
import com.smartalk.gank.model.entity.Gank;
import com.smartalk.gank.ui.activity.WebActivity;
import com.smartalk.gank.utils.StringStyleUtil;

import java.util.List;

import butterknife.Bind;
import butterknife.ButterKnife;
import butterknife.OnClick;

/**
 * Created by panl on 15/12/25.
 */
public class GankAdapter extends RecyclerView.Adapter<GankAdapter.GankHolder> {
  List<Gank> list;
  Context context;

  public GankAdapter(List<Gank> list, Context context) {
    this.list = list;
    this.context = context;
  }

  @Override
  public GankHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_gank, parent, false);
    return new GankHolder(view);
  }

  @Override
  public void onBindViewHolder(GankHolder holder, int position) {
    Gank gank = list.get(position);
    holder.llGank.setTag(gank);
    if (position == 0) {
      showCategory(true, holder.tvCategory);
    } else {
      if (list.get(position).type.equals(list.get(position - 1).type)) {
        showCategory(false, holder.tvCategory);
      } else {
        showCategory(true, holder.tvCategory);
      }
    }
    holder.tvCategory.setText(gank.type);
    holder.tvGankDesc.setText(StringStyleUtil.getGankStyleStr(gank));
  }

  private void showCategory(boolean show, TextView tvCategory) {
    if (show) {
      tvCategory.setVisibility(View.VISIBLE);
    } else {
      tvCategory.setVisibility(View.GONE);
    }
  }


  @Override
  public int getItemCount() {
    return list.size();
  }

  class GankHolder extends RecyclerView.ViewHolder {
    @Bind(R.id.tv_category)
    TextView tvCategory;
    @Bind(R.id.tv_gank_desc)
    TextView tvGankDesc;
    @Bind(R.id.ll_gank)
    LinearLayout llGank;

    @OnClick(R.id.ll_gank)
    void gankClick() {
      WebActivity.loadWebViewActivity(context, (Gank) llGank.getTag());
    }

    public GankHolder(View itemView) {
      super(itemView);
      ButterKnife.bind(this, itemView);
    }
  }
}