package cn.iwgang.familiarrecyclerview;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.FrameLayout;
import java.util.ArrayList;
import java.util.List;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;
/**
* Wrap FamiliarRecyclerView Adapter
* Created by iWgang on 15/10/31.
* https://github.com/iwgang/FamiliarRecyclerView
*/
public class FamiliarWrapRecyclerViewAdapter extends RecyclerView.Adapter implements View.OnClickListener, View.OnLongClickListener {
private static final int MIN_INTERVAL_CLICK_TIME = 100;
private static final int VIEW_TYPE_HEADER = -1;
private static final int VIEW_TYPE_FOOTER = -2;
private static final int VIEW_TYPE_EMPTY_VIEW = -3;
private List<View> mHeaderView;
private List<View> mFooterView;
private RecyclerView.Adapter mReqAdapter;
private int curHeaderOrFooterPos;
private int mLayoutManagerType = FamiliarRecyclerView.LAYOUT_MANAGER_TYPE_LINEAR;
private FamiliarRecyclerView.OnItemClickListener mOnItemClickListener;
private FamiliarRecyclerView.OnItemLongClickListener mOnItemLongClickListener;
private FamiliarRecyclerView mFamiliarRecyclerView;
private long mLastClickTime;
private FamiliarRecyclerView.OnHeadViewBindViewHolderListener mOnHeadViewBindViewHolderListener;
private FamiliarRecyclerView.OnFooterViewBindViewHolderListener mOnFooterViewBindViewHolderListener;
private List<Integer> mHeadOrFooterInitInvokeViewBindViewFlag = new ArrayList<>();
public FamiliarWrapRecyclerViewAdapter(FamiliarRecyclerView familiarRecyclerView, RecyclerView.Adapter reqAdapter, List<View> mHeaderView, List<View> mFooterView, int layoutManagerType) {
this.mFamiliarRecyclerView = familiarRecyclerView;
this.mReqAdapter = reqAdapter;
this.mHeaderView = mHeaderView;
this.mFooterView = mFooterView;
this.mLayoutManagerType = layoutManagerType;
}
public int getHeadersCount() {
return null != mHeaderView ? mHeaderView.size() : 0;
}
public int getFootersCount() {
return null != mFooterView ? mFooterView.size() : 0;
}
private int getReqAdapterCount() {
return null != mReqAdapter ? mReqAdapter.getItemCount() : 0;
}
@Override
public int getItemCount() {
int count = 0;
int tempItemCount = mReqAdapter.getItemCount();
if (mFamiliarRecyclerView.isKeepShowHeadOrFooter()) {
count += tempItemCount == 0 ? 1 : tempItemCount;
} else {
count += tempItemCount;
}
if (null != mHeaderView && mHeaderView.size() > 0) {
count += mHeaderView.size();
}
if (null != mFooterView && mFooterView.size() > 0) {
count += mFooterView.size();
}
return count;
}
@Override
public int getItemViewType(int position) {
// header view
if (isHeaderView(position)) {
this.curHeaderOrFooterPos = position;
return VIEW_TYPE_HEADER;
}
int headersCount = getHeadersCount();
// item view
int adapterCount = 0;
if (getReqAdapterCount() > 0 && position >= headersCount) {
int adjPosition = position - headersCount;
adapterCount = mReqAdapter.getItemCount();
if (adjPosition < adapterCount) {
return mReqAdapter.getItemViewType(adjPosition);
}
} else if (mFamiliarRecyclerView.isKeepShowHeadOrFooter()) {
// empty view
if (position == headersCount) return VIEW_TYPE_EMPTY_VIEW;
}
// footer view
this.curHeaderOrFooterPos = position - headersCount - adapterCount;
return VIEW_TYPE_FOOTER;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
switch (viewType) {
case VIEW_TYPE_HEADER: {
// create header view
EmptyHeaderOrFooterViewHolder headerViewHolder;
View tempHeadView = mHeaderView.get(curHeaderOrFooterPos);
if (mLayoutManagerType == FamiliarRecyclerView.LAYOUT_MANAGER_TYPE_STAGGERED_GRID) {
FrameLayout mContainerView = new FrameLayout(tempHeadView.getContext());
mContainerView.addView(tempHeadView);
headerViewHolder = new EmptyHeaderOrFooterViewHolder(mContainerView);
StaggeredGridLayoutManager.LayoutParams layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.setFullSpan(true);
headerViewHolder.itemView.setLayoutParams(layoutParams);
} else {
headerViewHolder = new EmptyHeaderOrFooterViewHolder(tempHeadView);
}
// fix multiple headerView disorder
if (mHeaderView.size() > 2) {
headerViewHolder.setIsRecyclable(false);
}
return headerViewHolder;
}
case VIEW_TYPE_FOOTER: {
// create footer view
EmptyHeaderOrFooterViewHolder footerViewHolder;
View tempFooterView;
// fix fast delete IndexOutOfBoundsException
int footerViewCount = mFooterView.size();
if (curHeaderOrFooterPos >= footerViewCount) {
curHeaderOrFooterPos = footerViewCount - 1;
}
tempFooterView = mFooterView.get(curHeaderOrFooterPos);
ViewParent tempFooterViewParent = tempFooterView.getParent();
if (null != tempFooterViewParent) {
((ViewGroup) tempFooterViewParent).removeView(tempFooterView);
}
if (mLayoutManagerType == FamiliarRecyclerView.LAYOUT_MANAGER_TYPE_STAGGERED_GRID) {
FrameLayout mContainerView = new FrameLayout(tempFooterView.getContext());
mContainerView.addView(tempFooterView);
footerViewHolder = new EmptyHeaderOrFooterViewHolder(mContainerView);
StaggeredGridLayoutManager.LayoutParams layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.setFullSpan(true);
footerViewHolder.itemView.setLayoutParams(layoutParams);
} else {
footerViewHolder = new EmptyHeaderOrFooterViewHolder(tempFooterView);
}
// fix multiple footerView disorder
if (mFooterView.size() > 2) {
footerViewHolder.setIsRecyclable(false);
}
return footerViewHolder;
}
case VIEW_TYPE_EMPTY_VIEW: {
EmptyHeaderOrFooterViewHolder emptyViewHolder;
View emptyView = mFamiliarRecyclerView.getEmptyView();
emptyView.setVisibility(View.VISIBLE);
if (mLayoutManagerType == FamiliarRecyclerView.LAYOUT_MANAGER_TYPE_STAGGERED_GRID) {
FrameLayout mContainerView = new FrameLayout(emptyView.getContext());
mContainerView.addView(emptyView);
emptyViewHolder = new EmptyHeaderOrFooterViewHolder(mContainerView);
StaggeredGridLayoutManager.LayoutParams layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.setFullSpan(true);
emptyViewHolder.itemView.setLayoutParams(layoutParams);
} else {
emptyViewHolder = new EmptyHeaderOrFooterViewHolder(emptyView);
}
return emptyViewHolder;
}
default:
// create default item view
RecyclerView.ViewHolder itemViewHolder = mReqAdapter.onCreateViewHolder(parent, viewType);
// add click listener
if (null != mOnItemClickListener) {
itemViewHolder.itemView.setOnClickListener(this);
}
if (null != mOnItemLongClickListener) {
itemViewHolder.itemView.setOnLongClickListener(this);
}
return itemViewHolder;
}
}
@Override
public void onViewAttachedToWindow(RecyclerView.ViewHolder holder) {
super.onViewAttachedToWindow(holder);
int position = holder.getAdapterPosition();
if (null == mReqAdapter || isHeaderView(position) || isFooterView(position)) {
return;
}
mReqAdapter.onViewAttachedToWindow(holder);
}
@Override
public void onViewDetachedFromWindow(RecyclerView.ViewHolder holder) {
super.onViewDetachedFromWindow(holder);
int position = holder.getAdapterPosition();
if (null == mReqAdapter || isHeaderView(position) || isFooterView(position)) {
return;
}
mReqAdapter.onViewDetachedFromWindow(holder);
}
@Override
public void onAttachedToRecyclerView(RecyclerView recyclerView) {
super.onAttachedToRecyclerView(recyclerView);
if (null == mReqAdapter) {
return;
}
mReqAdapter.onAttachedToRecyclerView(recyclerView);
}
@Override
public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
super.onDetachedFromRecyclerView(recyclerView);
if (null == mReqAdapter) {
return;
}
mReqAdapter.onDetachedFromRecyclerView(recyclerView);
}
@Override
public void onViewRecycled(RecyclerView.ViewHolder holder) {
super.onViewRecycled(holder);
int position = holder.getAdapterPosition();
if (null == mReqAdapter || isHeaderView(position) || isFooterView(position)) {
return;
}
mReqAdapter.onViewRecycled(holder);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
int curItemViewType = getItemViewType(position);
if (curItemViewType == VIEW_TYPE_HEADER && null != mOnHeadViewBindViewHolderListener) {
// head view
boolean isInitializeInvoke = false;
int tempHeadViewHashCode = holder.itemView.hashCode();
if (!mHeadOrFooterInitInvokeViewBindViewFlag.contains(tempHeadViewHashCode)) {
mHeadOrFooterInitInvokeViewBindViewFlag.add(tempHeadViewHashCode);
isInitializeInvoke = true;
}
mOnHeadViewBindViewHolderListener.onHeadViewBindViewHolder(holder, position, isInitializeInvoke);
} else if (curItemViewType == VIEW_TYPE_FOOTER && null != mOnFooterViewBindViewHolderListener) {
// footer view
boolean isInitializeInvoke = false;
int tempFooterViewHashCode = holder.itemView.hashCode();
if (!mHeadOrFooterInitInvokeViewBindViewFlag.contains(tempFooterViewHashCode)) {
mHeadOrFooterInitInvokeViewBindViewFlag.add(tempFooterViewHashCode);
isInitializeInvoke = true;
}
mOnFooterViewBindViewHolderListener.onFooterViewBindViewHolder(holder, position - getHeadersCount() - getReqAdapterCount(), isInitializeInvoke);
} else if (curItemViewType >= 0) {
// item view
final int adjPosition = position - getHeadersCount();
int adapterCount;
if (mReqAdapter != null) {
adapterCount = mReqAdapter.getItemCount();
if (adjPosition < adapterCount) {
mReqAdapter.onBindViewHolder(holder, adjPosition);
}
}
}
}
public void setOnItemClickListener(FamiliarRecyclerView.OnItemClickListener mOnItemClickListener) {
this.mOnItemClickListener = mOnItemClickListener;
}
public void setOnItemLongClickListener(FamiliarRecyclerView.OnItemLongClickListener mOnItemLongClickListener) {
this.mOnItemLongClickListener = mOnItemLongClickListener;
}
@Override
public void onClick(View v) {
long curTime = System.currentTimeMillis();
if (null != mOnItemClickListener && curTime - mLastClickTime > MIN_INTERVAL_CLICK_TIME) {
mLastClickTime = curTime;
mOnItemClickListener.onItemClick(mFamiliarRecyclerView, v, mFamiliarRecyclerView.getChildAdapterPosition(v) - mFamiliarRecyclerView.getHeaderViewsCount());
}
}
@Override
public boolean onLongClick(View v) {
long curTime = System.currentTimeMillis();
if (null != mOnItemLongClickListener && curTime - mLastClickTime > MIN_INTERVAL_CLICK_TIME) {
mLastClickTime = curTime;
return mOnItemLongClickListener.onItemLongClick(mFamiliarRecyclerView, v, mFamiliarRecyclerView.getChildAdapterPosition(v) - mFamiliarRecyclerView.getHeaderViewsCount());
}
return false;
}
public void setOnHeadViewBindViewHolderListener(FamiliarRecyclerView.OnHeadViewBindViewHolderListener mOnHeadViewBindViewHolderListener) {
this.mOnHeadViewBindViewHolderListener = mOnHeadViewBindViewHolderListener;
}
public void setOnFooterViewBindViewHolderListener(FamiliarRecyclerView.OnFooterViewBindViewHolderListener mOnFooterViewBindViewHolderListener) {
this.mOnFooterViewBindViewHolderListener = mOnFooterViewBindViewHolderListener;
}
private boolean isHeaderView(int position) {
return position < getHeadersCount();
}
private boolean isFooterView(int position) {
return getFootersCount() > 0 && position - getHeadersCount() - getReqAdapterCount() >= 0;
}
class EmptyHeaderOrFooterViewHolder extends RecyclerView.ViewHolder {
public EmptyHeaderOrFooterViewHolder(View itemView) {
super(itemView);
}
}
}
