APagerAdapter.java

package com.aincc.lib.ui.widget.page;

import java.lang.ref.WeakReference;
import java.util.List;

import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;

import com.aincc.lib.util.Utils;

/**
 * 
 * <h3><b>APager</b></h3></br>
 * 
 * ViewPager 의 확장<br>
 * 
 * @author aincc@barusoft.com
 * @version 1.0.0
 * @since 1.0.0
 */
public class APagerAdapter extends PagerAdapter
{
	protected Context context;
	protected LayoutInflater inflater;
	protected WeakReference<View> view;
	protected List<? extends PageItem> pages;
	protected OnPagerClickListener listener;

	/**
	 * 
	 * @since 1.0.0
	 * @param context
	 */
	public APagerAdapter(Context context, List<? extends PageItem> pages)
	{
		super();
		this.context = context;
		this.pages = pages;
		inflater = LayoutInflater.from(context);
	}

	/**
	 * 
	 * @since 1.0.0
	 * @param l
	 */
	public void setOnPagerClickListener(OnPagerClickListener l)
	{
		this.listener = l;
	}

	@Override
	public int getCount()
	{
		if (null != pages)
		{
			return pages.size();
		}
		return 0;
	}

	@Override
	public Object instantiateItem(ViewGroup container, final int position)
	{
		PageItem page = pages.get(position);
		view = new WeakReference<View>(inflater.inflate(page.layout, null));
		view.get().setOnClickListener(new OnClickListener()
		{

			@Override
			public void onClick(View v)
			{
				if (null != listener)
				{
					listener.onPagerClicked(position);
				}
			}
		});
		container.addView(view.get(), 0);
		return view.get();
	}

	@Override
	public void destroyItem(ViewGroup container, int position, Object object)
	{
		// ((ViewPager) container).removeView((View) object);
		Utils.unbindDrawables((View) object);
		((ViewPager) container).removeView((View) object);
		object = null;
	}

	@Override
	public boolean isViewFromObject(View view, Object obj)
	{
		return view == obj;
	}

	/**
	 * 
	 * <h3><b>PageItem</b></h3></br>
	 * 
	 * 기본 페이지 아이템
	 * 
	 * @author aincc@barusoft.com
	 * @version 1.0.0
	 * @since 1.0.0
	 */
	public static class PageItem
	{
		/**
		 * 레이아웃 아이디
		 */
		public int layout;

		public PageItem(int layout)
		{
			this.layout = layout;
		}
	}

	/**
	 * 
	 * <h3><b>OnPagerClickListener</b></h3></br>
	 * 
	 * 페이지 클릭 리스너
	 * 
	 * @author aincc@barusoft.com
	 * @version 1.0.0
	 * @since 1.0.0
	 */
	public interface OnPagerClickListener
	{
		public void onPagerClicked(int position);
	}
}