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.ItemFlightGroupBinding
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import com.example.firstapp.databinding.ItemFlightPackageHomeBinding
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import com.example.firstapp.databinding.ItemFlightBinding
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import com.example.firstapp.model.FlightGroup
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import com.example.firstapp.model.FlightPackage
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class FlightAdapter :
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ListAdapter<FlightGroup, FlightAdapter.ViewHolder>(FlightGroupDiffCallback()) {
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private var onPackageClickListener: (FlightGroup, FlightPackage) -> Unit = { _, _ -> }
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fun setOnPackageClickListener(listener: (FlightGroup, FlightPackage) -> 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 = ItemFlightGroupBinding.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: ItemFlightGroupBinding) :
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RecyclerView.ViewHolder(binding.root) {
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private val packagesAdapter = FlightPackageHomeAdapter { 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: FlightGroup? = null
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init {
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binding.rvPackages.apply {
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layoutManager = LinearLayoutManager(context)
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adapter = packagesAdapter
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}
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}
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fun bind(group: FlightGroup) {
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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}张机票"
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packagesAdapter.submitList(group.packages)
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}
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fun setOnPackageClickListener(listener: (FlightGroup, FlightPackage) -> Unit) {
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// 这个方法可以移除，因为我们在构造 FlightPackageHomeAdapter 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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// 首页使用的机票适配器 - 简化版本
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class FlightPackageHomeAdapter(private val onPackageClick: (FlightPackage) -> Unit) :
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ListAdapter<FlightPackage, FlightPackageHomeAdapter.ViewHolder>(FlightPackageDiffCallback()) {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val binding = ItemFlightPackageHomeBinding.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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inner class ViewHolder(private val binding: ItemFlightPackageHomeBinding) :
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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 pack = getItem(adapterPosition)
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onPackageClick(pack)
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}
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}
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fun bind(pack: FlightPackage) {
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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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// 取件页面使用的机票适配器
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class FlightPackageAdapter(private val onPackagePickup: (FlightPackage) -> Unit = { _ -> }) :
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ListAdapter<FlightPackage, FlightPackageAdapter.ViewHolder>(FlightPackageDiffCallback()) {
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private var onPackageClickListener: (FlightPackage) -> 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: (FlightPackage) -> 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 = ItemFlightBinding.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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inner class ViewHolder(private val binding: ItemFlightBinding) :
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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 pack = getItem(adapterPosition)
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onPackagePickup(pack)
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}
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binding.root.setOnClickListener(null)
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}
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fun bind(pack: FlightPackage) {
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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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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 FlightGroupDiffCallback : DiffUtil.ItemCallback<FlightGroup>() {
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override fun areItemsTheSame(oldItem: FlightGroup, newItem: FlightGroup): Boolean {
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return oldItem.stationName == newItem.stationName
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}
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override fun areContentsTheSame(oldItem: FlightGroup, newItem: FlightGroup): Boolean {
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return oldItem == newItem
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}
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}
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private class FlightPackageDiffCallback : DiffUtil.ItemCallback<FlightPackage>() {
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override fun areItemsTheSame(oldItem: FlightPackage, newItem: FlightPackage): Boolean {
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return oldItem.trackingNumber == newItem.trackingNumber
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}
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override fun areContentsTheSame(oldItem: FlightPackage, newItem: FlightPackage): Boolean {
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return oldItem == newItem
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}
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}
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