Sort_ListAdapter.java

package com.txsc.adapter;

import java.util.List;
import com.txsc.R;
import com.txsc.activity.Goods_ListAty;
import com.txsc.bean.SortBaseBean;
import com.txsc.dao.Dao;
import com.txsc.utils.AtyUtils;
import com.txsc.utils.LogUtils;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * 分类数据adapter
 * 
 * @author linshao
 * 
 * @data 2015-5-14 下午12:32:38修改
 * 
 */
public class Sort_ListAdapter extends BaseAdapter {
	private List<SortBaseBean> mList;
	private LayoutInflater mLay;
	private Context mContext;
	private int TAG = 1;
	private String sort_Name_1, sort_Id_1, parent_Id_1, sort_Id_2, parent_Id_2;
	private TextView mtv_Title;

	public Sort_ListAdapter(Context context, List<SortBaseBean> list,
			TextView tv_title) {
		this.mList = list;
		this.mContext = context;
		this.mLay = LayoutInflater.from(mContext);
		this.mtv_Title = tv_title;
	}

	@Override
	public int getCount() {
		return mList.size();
	}

	@Override
	public Object getItem(int position) {
		return mList.get(position);
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public View getView(final int position, View convertView, ViewGroup parent) {
		ViewHolder holder = null;
		if (convertView == null) {
			holder = new ViewHolder();
			convertView = mLay.inflate(R.layout.p1_list_item_sort_main, null);
			holder.text1 = (TextView) convertView
					.findViewById(R.id.channel_group_name);
			holder.img = (ImageView) convertView
					.findViewById(R.id.channel_group_turn);
			convertView.setTag(holder);
		} else {
			holder = (ViewHolder) convertView.getTag();
		}
		String name_String = mList.get(position).getG_sortname();
		if (TAG == 3 || name_String.equals("返回上级")) {
			holder.img.setVisibility(View.GONE);
		} else {
			holder.img.setVisibility(View.VISIBLE);
		}
		holder.text1.setText(name_String);
		holder.text1.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				LogUtils.log("tag--" + TAG);
				switch (TAG) {
				case 1:
					AtyUtils.turnToSearch(mContext, Goods_ListAty.class, mList
							.get(position).getG_sortid());
					break;
				case 2:
					dataChange(position, parent_Id_1, sort_Id_1);
					mtv_Title.setText("所有分类");
					break;
				case 3:
					dataChange(position, parent_Id_2, sort_Id_2);
					mtv_Title.setText(sort_Name_1);
					break;

				default:
					break;
				}
			}

			private void dataChange(final int position, String parent_Id,
					String sort_Id) {
				if (position == 0) {
					clearData();
					List<SortBaseBean> list = Dao.getList(mContext, parent_Id);
					if (TAG != 2) {
						SortBaseBean bean = new SortBaseBean(sort_Id, "返回上级",
								parent_Id);
						list.add(0, bean);
					}
					addData(list);
					notifyDataSetChanged();
					TAG--;
				} else {
					AtyUtils.turnToSearch(mContext, Goods_ListAty.class, mList
							.get(position).getG_sortid());
				}
			}
		});
		holder.img.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				switch (TAG) {
				case 1:
					sort_Id_1 = mList.get(position).getG_sortid();
					parent_Id_1 = mList.get(position).getG_parentid();
					sort_Name_1 = mList.get(position).getG_sortname();
					break;
				case 2:
					sort_Id_2 = mList.get(position).getG_sortid();
					parent_Id_2 = mList.get(position).getG_parentid();
					break;
				default:
					break;
				}
				String sort_Id = mList.get(position).getG_sortid();
				String parent_Id = mList.get(position).getG_parentid();
				String sort_Name = mList.get(position).getG_sortname();
				clearData();
				List<SortBaseBean> list = Dao.getList(mContext, sort_Id);
				SortBaseBean bean = new SortBaseBean(sort_Id, "返回上级", parent_Id);
				list.add(0, bean);
				addData(list);
				notifyDataSetChanged();
				mtv_Title.setText(sort_Name);
				TAG++;
			}
		});
		return convertView;
	}

	public void addData(List<SortBaseBean> beanList) {
		this.mList.addAll(beanList);
	}

	public void clearData() {
		this.mList.clear();
	}

	class ViewHolder {
		TextView text1;
		ImageView img;
	}

}