package com.electric.chargingpile.adapter;

import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;

import java.util.ArrayList;
import java.util.List;

public class ViewPagerFragmentAdapter extends FragmentPagerAdapter {
    private List<Fragment> fragments = new ArrayList<Fragment>();
    private FragmentManager mFragmentManager;

    /**
     * 当数据发生改变时的回调接口
     */
//	private OnReloadListener mListener;
    public ViewPagerFragmentAdapter(FragmentManager fm) {
        super(fm);

    }

    @Override
    public Fragment getItem(int arg0) {
        // TODO Auto-generated method stub
        return fragments.get(arg0);
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return fragments.size();
    }

    public List<Fragment> getFragments() {
        return fragments;
    }

    public void setFragments(List<Fragment> fragments) {
        this.fragments = fragments;
    }

    public void addFragment(Fragment fragment) {
        this.fragments.add(fragment);
    }

    /**
     * 重新设置页面内容
     *
     * @param items
     */
    public void setPagerItems(List<Fragment> items) {
        if (items != null) {
            for (int i = 0; i < fragments.size(); i++) {
                mFragmentManager.beginTransaction().remove(fragments.get(i)).commit();
            }
            fragments = items;
        }
    }

    /**
     *当页面数据发生改变时你可以调用此方法
     *
     * 重新载入数据，具体载入信息由回调函数实现
     */
//	public void reLoad()
//	{
//		if(mListener != null)
//		{
//			mListener.onReload();
//		}
//		this.notifyDataSetChanged();
//	}
//	public void setOnReloadListener(OnReloadListener listener)
//	{
//		this.mListener = listener;
//	}
//	/**
//	 * @author Rowand jj
//	 *回调接口
//	 */
//	public interface OnReloadListener
//	{
//		public void onReload();
//	}
}