优化

app/src/main/java/io/legado/app/ui/main/booksource/BookSourceAdapter.kt

@@ -1,6 +1,5 @@
 package io.legado.app.ui.main.booksource
 
-import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -10,6 +9,7 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.data.entities.BookSource
 import kotlinx.android.synthetic.main.item_book_source.view.*
+import org.jetbrains.anko.sdk27.listeners.onClick
 
 class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewHolder>(DIFF_CALLBACK) {
 
@@ -28,7 +28,8 @@ class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewH
         }
     }
 
-    var callback :Callback? = null
+    var callback: Callback? = null
+    val checkedList = HashSet<String>()
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
         return MyViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_book_source, parent, false))
@@ -36,18 +37,27 @@ class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewH
 
 
     override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
-        getItem(position)?.let { holder.bind(it, callback) }
+        getItem(position)?.let { holder.bind(it, checkedList, callback) }
     }
 
 
     class MyViewHolder(view: View) : RecyclerView.ViewHolder(view) {
 
-        fun bind(bookSource: BookSource, callback: Callback?) = with(itemView) {
+        fun bind(bookSource: BookSource, checkedList: HashSet<String>, callback: Callback?) = with(itemView) {
             cb_book_source.text = String.format("%s (%s)", bookSource.name, bookSource.group)
+            cb_book_source.onClick {
+                if (cb_book_source.isChecked) {
+                    checkedList.add(bookSource.origin)
+                } else {
+                    checkedList.remove(bookSource.origin)
+                }
+            }
         }
     }
 
     interface Callback {
-
+        fun del(bookSource: BookSource)
+        fun edit(bookSource: BookSource)
+        fun update(bookSource: BookSource)
     }
 }