package com.zhaoyang.driver.base;
|
|
import android.content.Context;
|
import android.view.LayoutInflater;
|
import android.view.View;
|
import android.view.ViewGroup;
|
import android.widget.Toast;
|
|
import androidx.annotation.LayoutRes;
|
import androidx.annotation.NonNull;
|
import androidx.recyclerview.widget.RecyclerView;
|
|
import java.util.ArrayList;
|
import java.util.List;
|
|
/**
|
* Created by ts_xiaoA on 2019/9/24 13:01
|
* E-Mail Address：443502578@qq.com
|
* Desc: recyclerView baseAdapter 基于 DataBinding
|
*/
|
public abstract class BaseRvAdapter<DataEntity> extends RecyclerView.Adapter<BaseViewHolder> {
|
|
public Context context;
|
protected List<DataEntity> data;
|
protected OnItemClickListener onItemClickListener;
|
protected final String TAG = String.valueOf(this);
|
|
private int headViewLayoutId = 0;
|
private int footViewLayoutId = 0;
|
|
private static final int TYPE_NORMAL = 7895;
|
private static final int TYPE_HEADER = 7896;
|
private static final int TYPE_FOOTER = 7897;
|
|
|
public BaseRvAdapter() {
|
this(null, null);
|
}
|
|
public BaseRvAdapter(Context context) {
|
this(context, null);
|
}
|
|
public BaseRvAdapter(List<DataEntity> data) {
|
this(null, data);
|
}
|
|
public BaseRvAdapter(Context context, List<DataEntity> items) {
|
this.context = context;
|
this.data = items;
|
if (data == null) {
|
data = new ArrayList<>();
|
}
|
}
|
|
public void toast(String content){
|
Toast.makeText(context, content, Toast.LENGTH_SHORT).show();
|
}
|
|
|
@Override
|
public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
|
super.onAttachedToRecyclerView(recyclerView);
|
if (this.context == null) {
|
this.context = recyclerView.getContext();
|
}
|
}
|
|
@NonNull
|
@Override
|
public BaseViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
|
View view;
|
switch (viewType) {
|
case TYPE_HEADER:
|
view = LayoutInflater.from(context).inflate(headViewLayoutId,parent,false);
|
if (onHeaderViewCreator != null) {
|
onHeaderViewCreator.onCreateView(view);
|
}
|
break;
|
case TYPE_FOOTER:
|
view = LayoutInflater.from(context).inflate(footViewLayoutId,parent);
|
break;
|
case TYPE_NORMAL:
|
default:
|
view = LayoutInflater.from(context).inflate(this.getLayoutResId(viewType),parent,false);
|
}
|
return new BaseViewHolder(view);
|
}
|
|
@Override
|
public void onBindViewHolder(@NonNull BaseViewHolder holder, int position) {
|
View view =holder.itemView;
|
switch (getItemViewType(position)) {
|
case TYPE_HEADER:
|
if (onHeadViewBinder != null) {
|
onHeadViewBinder.onBindHeadView(holder, view);
|
}
|
break;
|
case TYPE_FOOTER:
|
break;
|
case TYPE_NORMAL:
|
default:
|
int dataPosition = headViewLayoutId == 0 ? holder.getLayoutPosition() : holder.getLayoutPosition() - 1;
|
if (onItemClickListener != null) {
|
holder.itemView.setOnClickListener(v -> onItemClickListener.onItemClick(v, dataPosition));
|
}
|
this.onBindItem(holder, view, data.size() > dataPosition ? data.get(dataPosition) : null);
|
break;
|
}
|
}
|
|
@Override
|
public void onBindViewHolder(@NonNull BaseViewHolder holder, int position, @NonNull List<Object> payloads) {
|
if (payloads.isEmpty()) {
|
super.onBindViewHolder(holder, position, payloads);
|
} else {
|
View view = holder.itemView;
|
int dataPosition = headViewLayoutId == 0 ? holder.getLayoutPosition() : holder.getLayoutPosition() - 1;
|
onBindChangedItem(holder, view, data.size() > dataPosition ? data.get(dataPosition) : null);
|
}
|
}
|
|
//局部刷新更新item中的某个指定控件数据或状态
|
public void onBindChangedItem(BaseViewHolder holder, View view, DataEntity item) {
|
|
}
|
|
//局部刷新
|
public void notifyItemChangedByPayLoads(int position) {
|
notifyItemChanged(position, 0);
|
}
|
|
@LayoutRes
|
protected abstract int getLayoutResId(int viewType);
|
|
@Override
|
public final int getItemViewType(int position) {
|
if (isHeader(position)) {
|
return TYPE_HEADER;
|
} else if (isFooter(position)) {
|
return TYPE_FOOTER;
|
}
|
int type = getDataItemViewType(headViewLayoutId == 0 ? position : position - 1);
|
if (type == TYPE_HEADER || type == TYPE_FOOTER) {
|
throw new IllegalArgumentException("Item type cannot equal " + TYPE_HEADER + " or " + TYPE_FOOTER);
|
}
|
return type;
|
}
|
|
protected int getDataItemViewType(int position) {
|
return TYPE_NORMAL;
|
}
|
|
public boolean isHeader(int position) {
|
return headViewLayoutId != 0 && position == 0;
|
}
|
|
public boolean isFooter(int position) {
|
return footViewLayoutId != 0 && position == getItemCount() - 1;
|
}
|
|
|
//绑定数据
|
protected abstract void onBindItem(BaseViewHolder holder, View view, DataEntity item);
|
|
public List<DataEntity> getData() {
|
if (data == null) {
|
data = new ArrayList<>();
|
}
|
return data;
|
}
|
|
@Override
|
public final int getItemCount() {
|
int itemCount = 0;
|
if (headViewLayoutId != 0) {
|
itemCount++;
|
}
|
if (footViewLayoutId != 0) {
|
itemCount++;
|
}
|
itemCount += getDataItemCount();
|
return itemCount;
|
}
|
|
public int getDataItemCount() {
|
return data.size();
|
}
|
|
|
public int getDataItemPosition(int position) {
|
if (headViewLayoutId != 0) {
|
return position - 1;
|
} else {
|
return position;
|
}
|
}
|
|
|
public void setHeadView(@LayoutRes int layoutId) {
|
if (layoutId == 0) {
|
return;
|
}
|
if (this.headViewLayoutId != 0) {
|
notifyItemRemoved(0);
|
}
|
this.headViewLayoutId = layoutId;
|
notifyItemInserted(0);
|
}
|
|
|
public interface OnItemClickListener {
|
void onItemClick(View view, int position);
|
}
|
|
public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
|
this.onItemClickListener = onItemClickListener;
|
}
|
|
private OnHeadViewBinder onHeadViewBinder;
|
|
public interface OnHeadViewBinder {
|
void onBindHeadView(BaseViewHolder holder, View binding);
|
}
|
|
public void setOnHeadViewBinder(OnHeadViewBinder onHeadViewBinder) {
|
this.onHeadViewBinder = onHeadViewBinder;
|
}
|
|
private OnHeaderViewCreator onHeaderViewCreator;
|
|
public interface OnHeaderViewCreator {
|
void onCreateView(View view);
|
}
|
|
public void setOnHeaderViewCreator(OnHeaderViewCreator onHeaderViewCreator) {
|
this.onHeaderViewCreator = onHeaderViewCreator;
|
}
|
|
|
public void removeDataItem(int position) {
|
if (headViewLayoutId != 0) {
|
position += 1;
|
}
|
notifyItemRemoved(position);
|
}
|
|
public void notifyDateItemRangeChanged(int startPosition, int count) {
|
if (headViewLayoutId != 0) {
|
startPosition += 1;
|
}
|
notifyItemRangeChanged(startPosition, count);
|
}
|
|
public void removeDataItemAndRefresh(int position) {
|
getData().remove(position);
|
removeDataItem(position);
|
notifyDateItemRangeChanged(position, getDataItemCount());
|
}
|
}
|
