package cn.flightfeather.thirdappmodule.view.recyclerview
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import android.support.v7.widget.RecyclerView
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import android.view.View
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import android.view.ViewGroup
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import com.chad.library.adapter.base.BaseQuickAdapter
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import com.chad.library.adapter.base.BaseViewHolder
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import com.chad.library.adapter.base.loadmore.LoadMoreView
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/**
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* @author riku
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* Date: 2019/5/17
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* recyclerView设置接口
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*/
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interface RecyclerViewSetInterface<T> {
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var adapter: BaseRecyclerAdapter<T>?
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fun getRecyclerView(): RecyclerView?
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fun initList() {
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val layoutIdMap = if (getItemLayoutId() == null) {
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getItemLayoutIdMap()
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} else {
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mapOf(Pair(MySection.DEFAULT_ITEM_TYPE, getItemLayoutId()!!))
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}
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adapter = object :
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BaseRecyclerAdapter<T>(layoutIdMap, getSectionLayoutId(), getSectionDataList()) {
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override fun convertHead(holder: BaseCustomViewHolder, item: MySection<T>?) {
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onBindSectionView(holder, item)
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}
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override fun convert(helper: BaseCustomViewHolder, item: MySection<T>?) {
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onBindView(helper, item)
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}
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override fun convertPartView(holder: BaseCustomViewHolder, item: MySection<T>?, payloads: MutableList<Any>) {
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onBindPartView(holder, item, payloads)
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}
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}.apply {
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getRecyclerView()?.let { bindToRecyclerView(it) }
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//添加header
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getHeadViews().iterator().forEach {
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addHeaderView(it)
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}
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//添加footer
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getFootViews(getRecyclerView()?.parent as ViewGroup).iterator().forEach {
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addFooterView(it, 0)
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}
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//添加item点击事件
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onItemClickListener = BaseQuickAdapter.OnItemClickListener { adapter, view, position ->
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onItemClick(adapter, view, position, getAllDataList())
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}
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onItemLongClickListener = BaseQuickAdapter.OnItemLongClickListener { adapter, view, position ->
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onItemLongClick(adapter, view, position, getAllDataList())
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}
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//添加childItem点击事件
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onItemChildClickListener = BaseQuickAdapter.OnItemChildClickListener { adapter, view, position ->
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onItemChildClick(adapter, view, position, getAllDataList())
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}
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onItemChildLongClickListener = BaseQuickAdapter.OnItemChildLongClickListener { adapter, view, position ->
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onItemChildLongClick(adapter, view, position, getAllDataList())
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}
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//添加动画
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openLoadAnimation(getLoadAnimationByDefault())
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//设置空布局
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getMyLoadingView()?.let { emptyView = it }
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getLoadMoreView()?.let { setLoadMoreView(it)}
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}
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//加载更多
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setLoadMore()
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//下拉获取
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setUpFetch()
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getRecyclerView()?.apply {
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layoutManager = getMyLayoutManager()
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getDivider()?.let { addItemDecoration(it) }
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}?.adapter = adapter
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}
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fun setLoadMore() {
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if (enableLoadMore()) {
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adapter?.apply {
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setOnLoadMoreListener((BaseQuickAdapter.RequestLoadMoreListener {
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onLoadMoreStart()
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onLoadMoreRequested()
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}), getRecyclerView())
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}
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}
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}
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fun setUpFetch() {
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if (enableUpFetch()) {
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adapter?.apply {
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isUpFetchEnable = true
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setStartUpFetchPosition(0)
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setUpFetchListener {
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isUpFetching = true
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onUpFetchRequested(this, getRecyclerView())
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if (!isLoadMoreEnable) {
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setLoadMore()
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}
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}
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}
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}
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}
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fun getAllDataList(): List<T> {
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val list = adapter?.data as List<MySection<T>>
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val datas = mutableListOf<T>()
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list.forEach {
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datas.add(it.t)
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}
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return datas
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}
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/**
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* 将列表数据替换成新的数据
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*/
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fun setNewData(dataList: List<T>) {
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val resultList = convertToSection(dataList)
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addSection(resultList)
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adapter?.setNewData(resultList)
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onDataUpdated(adapter)
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}
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/**
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* 在原数据基础上添加新数据
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*/
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fun addData(dataList: List<T>) {
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val resultList = convertToSection(dataList)
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addSection(resultList)
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adapter?.addData(resultList)
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onDataUpdated(adapter)
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}
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fun addData(pos: Int, dataList: List<T>){
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val resultList = convertToSection(dataList)
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addSection(resultList)
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adapter?.addData(pos, resultList)
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onDataUpdated(adapter, pos)
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}
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/**
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* 按照数据状态刷新界面
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*/
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fun refreshLoadingStatus(state: LoadState?) {
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when (state) {
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LoadState.RefreshDone -> {
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onRefreshDone()
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getMyEmptyView()?.let { adapter?.emptyView = it }
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}
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LoadState.LoadMoreEnd -> {
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onLoadMoreEnd()
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adapter?.loadMoreEnd(getLoadMoreEndGone())
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getMyEmptyView()?.let { adapter?.emptyView = it }
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}
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LoadState.LoadMoreComplete -> {
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onLoadMoreComplete()
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adapter?.loadMoreComplete()
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getMyEmptyView()?.let { adapter?.emptyView = it }
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}
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LoadState.NONE -> {
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onRefreshNone()
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adapter?.loadMoreEnd(getLoadMoreEndGone())
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getMyLoadingView()?.let { adapter?.emptyView = it }
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}
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LoadState.RefreshFail -> {
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onRefreshFail()
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getMyLoadFailView()?.let { adapter?.emptyView = it }
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}
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LoadState.LoadMoreFail -> {
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onLoadMoreFail()
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adapter?.loadMoreFail()
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getMyLoadFailView()?.let { adapter?.emptyView = it }
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}
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else -> onRefreshNone()
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}
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}
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fun onRefreshDone()
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fun onRefreshFail()
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fun onLoadMoreEnd()
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fun onLoadMoreComplete()
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fun onLoadMoreFail()
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fun onRefreshNone()
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fun getMyLayoutManager(): RecyclerView.LayoutManager
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//获取列表的itemView的ID
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fun getItemLayoutId(): Int?
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//获取列表的itemView的ID, 根据自定义的itemType分类，实现同时展示多种item样式
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fun getItemLayoutIdMap(): Map<Int, Int>
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//获取分组头部view的ID
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fun getSectionLayoutId(): Int
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//自定义是否需要添加列表分组
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fun addSection(dataList: MutableList<MySection<T>>) = Unit
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//将数据转换为列表能接受的固定结构
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fun convertToSection(list: List<T>): MutableList<MySection<T>> = MySection.convert2Section(list)
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//数据更新结束
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fun onDataUpdated(adapter: BaseRecyclerAdapter<T>?, pos: Int? = null) = Unit
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//获取适配器数据结构列表
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fun getSectionDataList(): List<MySection<T>>
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//获取header的view绑定方法
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fun onBindSectionView(holder: BaseCustomViewHolder?, item: MySection<T>?) = Unit
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//获取列表item中的view绑定方法
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fun onBindView(holder: BaseCustomViewHolder, item: MySection<T>?)
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fun onBindPartView(holder: BaseCustomViewHolder, item: MySection<T>?, payloads: MutableList<Any>)= Unit
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//获取headView
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fun getHeadViews(): Array<View> = emptyArray()
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//获取footView
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fun getFootViews(viewGroup: ViewGroup): Array<View> = emptyArray()
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//item点击事件
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fun onItemClick(adapter: BaseQuickAdapter<Any?, BaseViewHolder>, view: View, position: Int, dataList: List<T>)
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//item长点击事件
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fun onItemLongClick(adapter: BaseQuickAdapter<Any?, BaseViewHolder>, view: View, position: Int, dataList: List<T>) =
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true
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//childItem点击事件
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fun onItemChildClick(adapter: BaseQuickAdapter<Any?, BaseViewHolder>, view: View, position: Int, dataList: List<T>)
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//childItem长点击事件
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fun onItemChildLongClick(adapter: BaseQuickAdapter<Any?, BaseViewHolder>, view: View, position: Int, dataList: List<T>):Boolean = true
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//入场动画
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fun getLoadAnimationByDefault(): Int = BaseQuickAdapter.ALPHAIN
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//<editor-fold desc="加载更多">
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fun enableLoadMore(): Boolean
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fun onLoadMoreStart()
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fun onLoadMoreRequested()
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//</editor-fold>
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//<editor-fold desc="下拉获取">
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fun enableUpFetch(): Boolean
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fun onUpFetchRequested(adapter: BaseRecyclerAdapter<T>, recyclerView: RecyclerView?) = Unit
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//</editor-fold>
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fun getMyLoadingView(): View? = null
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//获取空布局
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fun getMyEmptyView(): View?
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//获取空布局
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fun getMyLoadFailView(): View? = null
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//获取加载布局
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fun getLoadMoreView(): LoadMoreView? = null
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//分割线
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fun getDivider(): RecyclerView.ItemDecoration? = null
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//加载完成后, 加载界面是否消失
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fun getLoadMoreEndGone(): Boolean = false
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}
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/**
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* 扩展remove 方法, 可以根据传入的编号列表逐个完成删除动画
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*/
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fun <T> BaseRecyclerAdapter<T>.remove(posList: List<Int>) {
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val tempPosList = posList.sortedBy { it }
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for (i in tempPosList.indices) {
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this.remove((tempPosList[i] - i))
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}
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}
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