package com.example.firstapp.adapter
|
|
import android.view.LayoutInflater
|
import android.view.ViewGroup
|
import androidx.recyclerview.widget.DiffUtil
|
import androidx.recyclerview.widget.LinearLayoutManager
|
import androidx.recyclerview.widget.ListAdapter
|
import androidx.recyclerview.widget.RecyclerView
|
import com.example.firstapp.R
|
import com.example.firstapp.databinding.ItemTrainGroupBinding
|
import com.example.firstapp.databinding.ItemTrainPackageHomeBinding
|
import com.example.firstapp.databinding.ItemTrainBinding
|
import com.example.firstapp.model.TrainGroup
|
import com.example.firstapp.model.TrainPackage
|
|
class TrainAdapter :
|
ListAdapter<TrainGroup, TrainAdapter.ViewHolder>(TrainGroupDiffCallback()) {
|
|
private var onPackageClickListener: (TrainGroup, TrainPackage) -> Unit = { _, _ -> }
|
|
fun setOnPackageClickListener(listener: (TrainGroup, TrainPackage) -> Unit) {
|
onPackageClickListener = listener
|
}
|
|
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
|
val binding = ItemTrainGroupBinding.inflate(
|
LayoutInflater.from(parent.context), parent, false
|
)
|
return ViewHolder(binding)
|
}
|
|
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
|
val group = getItem(position)
|
holder.bind(group)
|
holder.setOnPackageClickListener(onPackageClickListener)
|
}
|
|
|
inner class ViewHolder(private val binding: ItemTrainGroupBinding) :
|
RecyclerView.ViewHolder(binding.root) {
|
private val packagesAdapter = TrainPackageHomeAdapter { pack ->
|
currentGroup?.let { group ->
|
onPackageClickListener(group, pack)
|
}
|
}
|
private var currentGroup: TrainGroup? = null
|
|
init {
|
binding.rvPackages.apply {
|
layoutManager = object : LinearLayoutManager(context) {
|
override fun canScrollVertically(): Boolean {
|
return false
|
}
|
|
override fun onLayoutChildren(recycler: RecyclerView.Recycler, state: RecyclerView.State) {
|
try {
|
super.onLayoutChildren(recycler, state)
|
} catch (e: IndexOutOfBoundsException) {
|
// 捕获可能的异常，防止崩溃
|
}
|
}
|
}
|
adapter = packagesAdapter
|
isNestedScrollingEnabled = false
|
setItemViewCacheSize(20)
|
setHasFixedSize(true)
|
}
|
}
|
|
fun bind(group: TrainGroup) {
|
currentGroup = group
|
binding.tvStationName.text = group.stationName
|
binding.tvPackageCount.text = "共${group.packages.size}张车票"
|
|
packagesAdapter.submitList(null)
|
packagesAdapter.submitList(group.packages)
|
|
binding.rvPackages.requestLayout()
|
}
|
|
fun setOnPackageClickListener(listener: (TrainGroup, TrainPackage) -> Unit) {
|
// 这个方法可以移除，因为我们在构造 TrainPackageHomeAdapter 时已经处理了点击事件
|
// 或者保留这个方法但不做任何操作
|
}
|
}
|
}
|
|
// 首页使用的车票适配器 - 简化版本
|
class TrainPackageHomeAdapter(private val onPackageClick: (TrainPackage) -> Unit) :
|
ListAdapter<TrainPackage, TrainPackageHomeAdapter.ViewHolder>(TrainPackageDiffCallback()) {
|
|
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
|
val binding = ItemTrainPackageHomeBinding.inflate(
|
LayoutInflater.from(parent.context), parent, false
|
)
|
return ViewHolder(binding)
|
}
|
|
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
|
val pack = getItem(position)
|
holder.bind(pack)
|
}
|
|
override fun getItemCount(): Int {
|
return currentList.size
|
}
|
|
inner class ViewHolder(private val binding: ItemTrainPackageHomeBinding) :
|
RecyclerView.ViewHolder(binding.root) {
|
|
init {
|
binding.root.setOnClickListener {
|
val position = adapterPosition
|
if (position != RecyclerView.NO_POSITION) {
|
val pack = getItem(position)
|
onPackageClick(pack)
|
}
|
}
|
}
|
|
fun bind(pack: TrainPackage) {
|
binding.tvCompany.text = pack.company
|
binding.tvCreateTime.text = pack.createTime
|
binding.tvTrackingNumber.text = pack.trackingNumber
|
}
|
}
|
}
|
|
// 取件页面使用的车票适配器
|
class TrainPackageAdapter(private val onPackagePickup: (TrainPackage) -> Unit = { _ -> }) :
|
ListAdapter<TrainPackage, TrainPackageAdapter.ViewHolder>(TrainPackageDiffCallback()) {
|
|
private var onPackageClickListener: (TrainPackage) -> Unit = {}
|
private var stationName: String = ""
|
|
fun setStationInfo(station: String) {
|
stationName = station
|
}
|
|
fun setOnPackageClickListener(listener: (TrainPackage) -> Unit) {
|
onPackageClickListener = listener
|
}
|
|
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
|
val binding = ItemTrainBinding.inflate(
|
LayoutInflater.from(parent.context), parent, false
|
)
|
return ViewHolder(binding)
|
}
|
|
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
|
val pack = getItem(position)
|
holder.bind(pack)
|
}
|
|
override fun getItemCount(): Int {
|
return currentList.size
|
}
|
|
inner class ViewHolder(private val binding: ItemTrainBinding) :
|
RecyclerView.ViewHolder(binding.root) {
|
|
init {
|
binding.ivPackageStatus.setOnClickListener {
|
val position = adapterPosition
|
if (position != RecyclerView.NO_POSITION) {
|
val pack = getItem(position)
|
onPackagePickup(pack)
|
}
|
}
|
|
binding.root.setOnClickListener(null)
|
}
|
|
fun bind(pack: TrainPackage) {
|
binding.tvPackageId.text = pack.id.toString()
|
binding.tvCompany.text = pack.company
|
binding.tvCreateTime.text = pack.createTime
|
binding.tvTrackingNumber.text = pack.trackingNumber
|
binding.ivPackageStatus.setImageResource(
|
R.drawable.circle
|
)
|
}
|
}
|
}
|
|
|
private class TrainGroupDiffCallback : DiffUtil.ItemCallback<TrainGroup>() {
|
override fun areItemsTheSame(oldItem: TrainGroup, newItem: TrainGroup): Boolean {
|
return oldItem.stationName == newItem.stationName
|
}
|
|
override fun areContentsTheSame(oldItem: TrainGroup, newItem: TrainGroup): Boolean {
|
return oldItem == newItem
|
}
|
}
|
|
private class TrainPackageDiffCallback : DiffUtil.ItemCallback<TrainPackage>() {
|
override fun areItemsTheSame(oldItem: TrainPackage, newItem: TrainPackage): Boolean {
|
return oldItem.trackingNumber == newItem.trackingNumber
|
}
|
|
override fun areContentsTheSame(oldItem: TrainPackage, newItem: TrainPackage): Boolean {
|
return oldItem == newItem
|
}
|
}
|
