package com.wasu.cs.adapter;

import java.lang.ref.Reference;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

public class ContAdapter extends BaseAdapter {

	private ViewInterface viewInterface = null;
	private List<Object> dataList;
	public HashMap<Integer, Reference<View>> viewMap = new HashMap<Integer, Reference<View>>();

	public ContAdapter(List<?> dataList) {
		this.dataList = new ArrayList<Object>();

		if (dataList != null) {
			this.dataList.clear();
			this.dataList.addAll(dataList);
		}
	}

	public void setViewInterface(ViewInterface viewInterface) {
		this.viewInterface = viewInterface;
	}

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

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

	@Override
	public Object getItem(int position) {
		Object data = null;
		if (dataList.size() > position) {
			data = dataList.get(position);
		}
		return data;
	}

	public View getObject(int position) {
		Reference<View> ref = viewMap.get(position);
		if (ref == null) {
			return null;
		}

		return ref.get();
	}

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

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		View view = null;

		if (viewInterface != null) {
			view = viewInterface.getView(position, getItem(position), convertView, parent);
		}

		viewMap.put(position, new WeakReference<View>(view));

		// viewMap.put(position, view);
		return view;
	}

	public interface ViewInterface {

		public View getView(int position, Object dataObject, View convertView, ViewGroup parent);
	}

}