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10 天以前 04b138d3836e03c9adbcbd367fd71d92905c5206

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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.databinding.ItemIncomeGroupBinding
import com.example.firstapp.databinding.ItemIncomePackageHomeBinding
import com.example.firstapp.model.IncomeGroup
import com.example.firstapp.model.IncomePackage
 
class IncomeAdapter : ListAdapter<IncomeGroup, IncomeAdapter.ViewHolder>(IncomeGroupDiffCallback()) {
 
    private var onPackageClickListener: (IncomeGroup, IncomePackage) -> Unit = { _, _ -> }
 
    fun setOnPackageClickListener(listener: (IncomeGroup, IncomePackage) -> Unit) {
        onPackageClickListener = listener
    }
 
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val binding = ItemIncomeGroupBinding.inflate(
            LayoutInflater.from(parent.context), parent, false
        )
        return ViewHolder(binding)
    }
 
    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val group = getItem(position)
        holder.bind(group)
    }
 
    inner class ViewHolder(private val binding: ItemIncomeGroupBinding) :
        RecyclerView.ViewHolder(binding.root) {
        private val packagesAdapter = IncomePackageHomeAdapter { pack ->
            currentGroup?.let { group ->
                onPackageClickListener(group, pack)
            }
        }
        private var currentGroup: IncomeGroup? = 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: IncomeGroup) {
            currentGroup = group
            binding.tvStationName.text = group.stationName
            binding.tvPackageCount.text = "共${group.packages.size}笔收入"
            
            packagesAdapter.submitList(null)
            packagesAdapter.submitList(group.packages)
            
            binding.rvPackages.requestLayout()
        }
    }
}
 
class IncomePackageHomeAdapter(private val onPackageClick: (IncomePackage) -> Unit) :
    ListAdapter<IncomePackage, IncomePackageHomeAdapter.ViewHolder>(IncomePackageDiffCallback()) {
 
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val binding = ItemIncomePackageHomeBinding.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: ItemIncomePackageHomeBinding) :
        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: IncomePackage) {
            binding.tvCompany.text = pack.company
            binding.tvCreateTime.text = pack.createTime
            binding.tvTrackingNumber.text = "¥${pack.trackingNumber}"
//            binding.tvBalance.text = "余额: ¥${pack.balance}"
        }
    }
}
 
private class IncomeGroupDiffCallback : DiffUtil.ItemCallback<IncomeGroup>() {
    override fun areItemsTheSame(oldItem: IncomeGroup, newItem: IncomeGroup): Boolean {
        return oldItem.stationName == newItem.stationName
    }
 
    override fun areContentsTheSame(oldItem: IncomeGroup, newItem: IncomeGroup): Boolean {
        return oldItem == newItem
    }
}
 
private class IncomePackageDiffCallback : DiffUtil.ItemCallback<IncomePackage>() {
    override fun areItemsTheSame(oldItem: IncomePackage, newItem: IncomePackage): Boolean {
        return oldItem.id == newItem.id
    }
 
    override fun areContentsTheSame(oldItem: IncomePackage, newItem: IncomePackage): Boolean {
        return oldItem == newItem
    }
}