package com.xw.common.base
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import android.annotation.SuppressLint
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import android.content.Context
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.databinding.DataBindingUtil
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import androidx.databinding.ViewDataBinding
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import androidx.recyclerview.widget.RecyclerView
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import com.xw.common.R
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import com.xw.common.databinding.CommonItemImageAddBinding
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import com.xw.common.databinding.CommonItemImageEmptyBinding
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import com.xw.common.databinding.CommonItemImageShowBinding
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class ImageSelectAdapter(
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var context: Context,
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var maxSize: Int,
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isEdit: Int = 1, // 是否可编辑 1：可编辑 else：仅查看
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var listener: ImageEventListener<FileSelectBean>
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) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
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var isEdit: Int = isEdit
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@SuppressLint("NotifyDataSetChanged")
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set(value) {
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field = value
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notifyDataSetChanged()
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}
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fun remove(data: FileSelectBean) {
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val index = this.data.indexOf(data)
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if (index == -1) {
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return
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}
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this.data.removeAt(index)
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notifyItemRemoved(index)
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notifyItemRangeChanged(index, this.data.size - index)
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}
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@SuppressLint("NotifyDataSetChanged")
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fun setList(list: Collection<FileSelectBean>?) {
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if (list !== this.data) {
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this.data.clear()
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if (!list.isNullOrEmpty()) {
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this.data.addAll(list)
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}
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} else {
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if (!list.isEmpty()) {
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val newList = ArrayList(list)
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this.data.clear()
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this.data.addAll(newList)
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} else {
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this.data.clear()
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}
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}
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notifyDataSetChanged()
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}
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var data: MutableList<FileSelectBean> = ArrayList()
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private val TYPE_ITEM = 1
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private val TYPE_EMPTY = 2
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private val TYPE_ADD = 3
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private val inflater by lazy { LayoutInflater.from(context) }
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override fun getItemCount(): Int {
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return if (isEdit == 1) {
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if (data.size >= maxSize) maxSize else data.size + 1
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} else {
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if (data.isEmpty()) 1 else data.size // 没有图片加载一个null的站位图
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}
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}
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override fun getItemViewType(position: Int): Int {
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return if (isEdit == 1) {
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if (data.size == maxSize) {
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TYPE_ITEM
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} else {
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if (position + 1 == itemCount) {
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TYPE_ADD
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} else {
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TYPE_ITEM
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}
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}
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} else {
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if (data.isEmpty()) TYPE_EMPTY else TYPE_ITEM
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}
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
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val binding = if (viewType == TYPE_ITEM) {
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DataBindingUtil.inflate<ViewDataBinding>(
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inflater,
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R.layout.common_item_image_show,
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parent,
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false
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)
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} else if (viewType == TYPE_EMPTY) {
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DataBindingUtil.inflate<ViewDataBinding>(
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inflater,
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R.layout.common_item_image_empty,
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parent,
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false
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)
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} else {
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DataBindingUtil.inflate(
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inflater,
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R.layout.common_item_image_add,
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parent,
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false
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)
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}
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return ViewHolder(binding.root, binding)
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}
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
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(holder as ViewHolder).bindData(position)
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}
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inner class ViewHolder(itemView: View, var mBinding: ViewDataBinding) : RecyclerView.ViewHolder(itemView) {
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fun bindData(position: Int) {
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if (mBinding is CommonItemImageShowBinding) {
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val item = data[position]
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val binding: CommonItemImageShowBinding = mBinding as CommonItemImageShowBinding
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binding.listener = listener
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binding.item = item
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binding.delete.visibility = if (isEdit == 1) View.VISIBLE else View.GONE
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binding.ivPlay.visibility = if (item.type == "video") View.VISIBLE else View.GONE
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} else if (mBinding is CommonItemImageAddBinding) {
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val item = FileSelectBean()
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val binding: CommonItemImageAddBinding = mBinding as CommonItemImageAddBinding
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binding.listener = listener
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binding.item = item
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}
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}
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}
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}
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data class FileSelectBean(
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var url: String = "",
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var localPath: String = "",
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var type: String = "", // video ic_notice audio
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var placeholder: Int = R.mipmap.icon_default5,
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var error: Int = R.mipmap.icon_default5,
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){
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override fun toString(): String {
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return "FileSelectBean(url='$url', localPath='$localPath', type='$type')"
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}
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}
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