package com.example.firstapp.adapter
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.ListAdapter
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import androidx.recyclerview.widget.RecyclerView
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import com.example.firstapp.R
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import com.example.firstapp.databinding.ItemFinanceBinding
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import com.example.firstapp.databinding.ItemFinanceGroupBinding
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import com.example.firstapp.databinding.ItemFinancePackageHomeBinding
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import com.example.firstapp.model.FinanceGroup
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import com.example.firstapp.model.FinancePackage
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class FinanceAdapter :
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ListAdapter<FinanceGroup, FinanceAdapter.ViewHolder>(FinanceGroupDiffCallback()) {
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private var onPackageClickListener: (FinanceGroup, FinancePackage) -> Unit = { _, _ -> }
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fun setOnPackageClickListener(listener: (FinanceGroup, FinancePackage) -> Unit) {
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onPackageClickListener = listener
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val binding = ItemFinanceGroupBinding.inflate(
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LayoutInflater.from(parent.context), parent, false
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)
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return ViewHolder(binding)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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val group = getItem(position)
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holder.bind(group)
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holder.setOnPackageClickListener(onPackageClickListener)
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}
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inner class ViewHolder(private val binding: ItemFinanceGroupBinding) :
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RecyclerView.ViewHolder(binding.root) {
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private val packagesAdapter = FinancePackageHomeAdapter { pack ->
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currentGroup?.let { group ->
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onPackageClickListener(group, pack)
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}
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}
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private var currentGroup: FinanceGroup? = null
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init {
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// 设置固定高度和禁用嵌套滚动来解决滑动问题
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binding.rvPackages.apply {
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layoutManager = object : LinearLayoutManager(context) {
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override fun canScrollVertically(): Boolean {
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// 禁用内部RecyclerView的垂直滚动
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return false
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}
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// 确保测量所有子项，防止部分内容不可见
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override fun onLayoutChildren(recycler: RecyclerView.Recycler, state: RecyclerView.State) {
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try {
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super.onLayoutChildren(recycler, state)
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} catch (e: IndexOutOfBoundsException) {
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// 捕获可能的异常，防止崩溃
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}
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}
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}
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adapter = packagesAdapter
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// 禁用嵌套滚动，让外部RecyclerView处理所有滚动
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isNestedScrollingEnabled = false
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// 启用回收视图缓存
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setItemViewCacheSize(20)
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setHasFixedSize(true)
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}
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}
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fun bind(group: FinanceGroup) {
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currentGroup = group
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binding.tvStationName.text = group.stationName
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binding.tvPackageCount.text = "共${group.packages.size}笔账单"
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// 确保所有数据都被更新
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packagesAdapter.submitList(null)
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packagesAdapter.submitList(group.packages)
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// 请求布局刷新
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binding.rvPackages.requestLayout()
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}
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fun setOnPackageClickListener(listener: (FinanceGroup, FinancePackage) -> Unit) {
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// 这个方法可以移除，因为我们在构造 ExpressPackageHomeAdapter 时已经处理了点击事件
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// 或者保留这个方法但不做任何操作
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}
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}
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}
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// 首页使用的包裹适配器 - 简化版本
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class FinancePackageHomeAdapter(private val onPackageClick: (FinancePackage) -> Unit) :
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ListAdapter<FinancePackage, FinancePackageHomeAdapter.ViewHolder>(FinancePackageDiffCallback()) {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val binding = ItemFinancePackageHomeBinding.inflate(
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LayoutInflater.from(parent.context), parent, false
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)
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return ViewHolder(binding)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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val pack = getItem(position)
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holder.bind(pack)
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}
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// 防止部分内容不显示
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override fun getItemCount(): Int {
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return currentList.size
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}
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inner class ViewHolder(private val binding: ItemFinancePackageHomeBinding) :
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RecyclerView.ViewHolder(binding.root) {
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init {
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binding.root.setOnClickListener {
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val position = adapterPosition
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if (position != RecyclerView.NO_POSITION) {
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val pack = getItem(position)
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onPackageClick(pack)
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}
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}
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}
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fun bind(pack: FinancePackage) {
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binding.tvCompany.text = pack.company
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binding.tvCreateTime.text = pack.createTime
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binding.tvTrackingNumber.text = pack.trackingNumber
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}
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}
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}
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// 取件页面使用的包裹适配器
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class FinancePackageAdapter(private val onPackagePickup: (FinancePackage) -> Unit = { _ -> }) :
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ListAdapter<FinancePackage, FinancePackageAdapter.ViewHolder>(FinancePackageDiffCallback()) {
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private var onPackageClickListener: (FinancePackage) -> Unit = {}
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private var stationName: String = ""
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fun setStationInfo(station: String) {
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stationName = station
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}
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fun setOnPackageClickListener(listener: (FinancePackage) -> Unit) {
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onPackageClickListener = listener
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val binding = ItemFinanceBinding.inflate(
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LayoutInflater.from(parent.context), parent, false
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)
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return ViewHolder(binding)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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val pack = getItem(position)
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holder.bind(pack)
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}
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// 防止部分内容不显示
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override fun getItemCount(): Int {
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return currentList.size
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}
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inner class ViewHolder(private val binding: ItemFinanceBinding) :
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RecyclerView.ViewHolder(binding.root) {
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init {
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binding.ivPackageStatus.setOnClickListener {
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val position = adapterPosition
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if (position != RecyclerView.NO_POSITION) {
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val pack = getItem(position)
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onPackagePickup(pack)
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}
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}
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binding.root.setOnClickListener(null)
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}
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fun bind(pack: FinancePackage) {
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binding.tvPackageId.text = pack.id.toString()
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binding.tvCompany.text = pack.company
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binding.tvCreateTime.text = pack.createTime
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binding.tvTrackingNumber.text = pack.trackingNumber
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binding.ivPackageStatus.setImageResource(
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// if (pack.isPickedUp) R.drawable.circle_checked
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// else R.drawable.circle
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R.drawable.circle
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)
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}
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}
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}
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private class FinanceGroupDiffCallback : DiffUtil.ItemCallback<FinanceGroup>() {
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override fun areItemsTheSame(oldItem: FinanceGroup, newItem: FinanceGroup): Boolean {
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return oldItem.stationName == newItem.stationName
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}
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override fun areContentsTheSame(oldItem: FinanceGroup, newItem: FinanceGroup): Boolean {
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return oldItem == newItem
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}
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}
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private class FinancePackageDiffCallback : DiffUtil.ItemCallback<FinancePackage>() {
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override fun areItemsTheSame(oldItem: FinancePackage, newItem: FinancePackage): Boolean {
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return oldItem.trackingNumber == newItem.trackingNumber
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}
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override fun areContentsTheSame(oldItem: FinancePackage, newItem: FinancePackage): Boolean {
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return oldItem == newItem
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}
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}
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