package com.mm.android.deviceaddmodule.mobilecommon.base.adapter;
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import android.content.Context;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import com.mm.android.deviceaddmodule.mobilecommon.common.ViewHolder;
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import java.util.List;
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/**
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* <p>
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* 适配器的基类
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* </p>
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*/
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public abstract class CommonAdapter<T> extends BaseAdapter {
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protected List<T> list;
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protected int layout;
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protected Context mContext;
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private int firstPosition;// 从头部插入的位置
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public CommonAdapter(int layout, List<T> list, Context mContext) {
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this.list = list;
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this.layout = layout;
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this.mContext = mContext;
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notifyDataSetChanged();
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}
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@Override
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public int getCount() {
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return list.size();
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}
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@Override
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public T getItem(int position) {
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return list.get(position);
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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public void addFirstData(List<T> list) {
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this.list.addAll(firstPosition, list);
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firstPosition = firstPosition + list.size();
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}
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public void addData(List<T> list) {
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if (list != null) {
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this.list.addAll(list);
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}
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}
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public void removeData(List<T> list) {
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this.list.removeAll(list);
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}
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public void clearData() {
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this.list.clear();
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firstPosition = 0;
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}
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public List<T> getData() {
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return list;
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}
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public void replaceData(List<T> list2) {
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if (list2 != list) {
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clearData();
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addData(list2);
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}
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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ViewHolder viewHolder = ViewHolder.getViewHolder(layout, convertView, mContext, parent);
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convert(viewHolder, getItem(position), position, parent);
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return viewHolder.getView();
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}
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public abstract void convert(ViewHolder viewHolder, T item, int position, ViewGroup parent);
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}
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