215 lines
8.0 KiB
Kotlin
215 lines
8.0 KiB
Kotlin
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package com.zjgsu.jianshu
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import android.content.Context
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import android.content.Intent
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import android.graphics.Bitmap
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import android.graphics.BitmapFactory
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import android.opengl.Visibility
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import android.util.Log
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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 android.widget.CheckBox
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import android.widget.ImageView
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import android.widget.TextView
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import androidx.core.content.ContextCompat
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import androidx.recyclerview.widget.RecyclerView
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import cn.bmob.v3.BmobQuery
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import cn.bmob.v3.exception.BmobException
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import cn.bmob.v3.listener.FindListener
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import java.io.InputStream
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import java.net.HttpURLConnection
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import java.net.URL
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import android.widget.AdapterView.OnItemLongClickListener
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import android.widget.AdapterView.VISIBLE
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import android.widget.Toast
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import android.view.View.OnLongClickListener
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import android.widget.CompoundButton
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import android.view.animation.Animation
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import com.zjgsu.jianshu.Bmob.Book_bmob
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class BookshelfAdapter(val context: Context, val bookshelf: ArrayList<Book_Shelf>) : RecyclerView.Adapter<BookshelfAdapter.ViewHolder>(),
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View.OnLongClickListener, View.OnClickListener {
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inner class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
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val book_img: ImageView = view.findViewById(R.id.bookshelf_bkimg)
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val book_name: TextView = view.findViewById(R.id.bookshelf_bkname)
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// val mCheckBox: CheckBox = view.findViewById(R.id.bookshelf_checkBox)
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}
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private var onItemClickListener: RecyclerViewOnItemClickListener? = null
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private var isshowBox: Boolean = false
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private val map: MutableMap<Int, Boolean?> = HashMap()
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private var flag: Boolean = false
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fun initMap() {
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for (i in bookshelf.indices) {
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map[i] = false
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}
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Log.d("initmap", "no")
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}
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fun setSelectItem(position: Int) {
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//对当前状态取反
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if (map[position]!!) {
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map[position] = false
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} else {
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map[position] = true
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}
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notifyItemChanged(position)
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}
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fun setShowBox() {
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//取反
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isshowBox = !isshowBox
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}
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fun getMap(): Map<Int, Boolean?> {
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return map
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}
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// fun setOnItemLongClickListener(onItemLongClickListener: RecyclerViewOnItemLongClickListener) {
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// this.onItemLongClickListener = onItemLongClickListener;
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// }
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// interface RecyclerViewOnItemClickListener {
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// fun onItemClickListener(view: View?, position: Int)
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// }
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// interface RecyclerViewOnItemLongClickListener {
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// fun onItemLongClickListener(view: View, position: Int): Boolean;
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// }
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interface RecyclerViewOnItemClickListener {
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//点击事件
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fun onItemClickListener(view: View?, position: Int)
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//长按事件
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fun onItemLongClickListener(view: View?, position: Int): Boolean
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}
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fun setRecyclerViewOnItemClickListener(onItemClickListener: RecyclerViewOnItemClickListener?) {
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this.onItemClickListener = onItemClickListener
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}
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override fun onClick(v: View) {
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if (onItemClickListener != null) {
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//注意这里使用getTag方法获取数据
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onItemClickListener!!.onItemClickListener(v, v.tag as Int)
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}
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}
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override fun onLongClick(v: View): Boolean {
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initMap()
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return onItemClickListener != null && onItemClickListener!!.onItemLongClickListener(
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v,
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(v.tag as Int)
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)
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val view = LayoutInflater.from(context).inflate(R.layout.bookshelf_item, parent, false)
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view.setOnLongClickListener(this)
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view.setOnClickListener(this)
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return ViewHolder(view)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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// Log.d("check", isshowBox.toString())
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// if (isshowBox) {
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// holder.mCheckBox.visibility = VISIBLE
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// } else {
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// holder.mCheckBox.visibility = View.INVISIBLE
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// }
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// holder.mCheckBox.setOnCheckedChangeListener(CompoundButton.OnCheckedChangeListener { buttonView, isChecked -> //用map集合保存
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// map[position] = isChecked
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// })
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// 设置CheckBox的状态
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if (map[position] == null) {
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map[position] = false
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}
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// holder.mCheckBox.isChecked = map[position]!!
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// holder.itemView.setOnClickListener{
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// if(!flag){
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// holder.mCheckBox.visibility=View.VISIBLE
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// flag=true
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// }
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// else{
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// holder.mCheckBox.visibility=View.INVISIBLE
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// flag=false
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// }
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// }
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val book = bookshelf[position]
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// if (holder is ViewHolder) {
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// val viewHolder: ViewHolder = holder
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// if (selected == position) {
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// viewHolder.mCheckBox.setChecked(true)
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// viewHolder.itemView.setSelected(true)
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// } else {
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// viewHolder.mCheckBox.setChecked(false)
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// viewHolder.itemView.setSelected(false)
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// }
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// if (onItemClickListener != null) {
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// viewHolder.itemView.setOnClickListener(View.OnClickListener {
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// onItemClickListener!!.onItemClickListener(
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// viewHolder.itemView,
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// viewHolder.adapterPosition
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// )
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// })
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// }
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// }
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var flag: Boolean = false
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holder.book_img.setTag("1")
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if (book.bkname.equals("添加")) {
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holder.book_img.scaleType = ImageView.ScaleType.CENTER_INSIDE
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holder.book_img.setImageResource(R.drawable.add)
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flag = true
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}
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holder.book_name.text = book.bkname
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val query = BmobQuery<Book_bmob>()
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query.addWhereEqualTo("name", book.bkname)
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query.findObjects(object : FindListener<Book_bmob>() {
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override fun done(p0: MutableList<Book_bmob>?, p1: BmobException?) {
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if (p1 == null) {
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if (p0 != null && p0.size > 0) {
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for (p in p0) {
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object : Thread() {
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override fun run() {
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try {
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if (flag) {
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} else {
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holder.book_img.setTag("0")
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val url = URL(p!!.picture.url)
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val connection: HttpURLConnection =
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url.openConnection() as HttpURLConnection
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connection.setRequestMethod("GET")
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connection.setConnectTimeout(5000)
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val `in`: InputStream = connection.getInputStream()
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val bitmap: Bitmap = BitmapFactory.decodeStream(`in`)
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holder.book_img.setImageBitmap(bitmap)
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}
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} catch (e: Exception) {
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e.printStackTrace()
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}
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}
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}.start()
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}
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}
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}
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}
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})
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holder.book_img.setOnClickListener {
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val res = holder.book_img.getTag()
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if (res == "0") {
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val intent = Intent(holder.itemView.context, Book_informationActivity::class.java)
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intent.putExtra("Book_name", book.bkname)
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ContextCompat.startActivity(holder.itemView.context, intent, null)
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} else {
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val intent = Intent(context, MainActivity::class.java)
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context.startActivity(intent)
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}
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}
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}
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override fun getItemCount() = bookshelf.size
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}
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