feat: 优化代码

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt

@@ -31,7 +31,14 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
     }
 
     fun revertSelection() {
-
+        getItems().forEach {
+            if (selectedBooks.contains(it)) {
+                selectedBooks.remove(it)
+            } else {
+                selectedBooks.add(it)
+            }
+        }
+        callBack.upSelectCount()
     }
 
     override fun convert(holder: ItemViewHolder, item: Book, payloads: MutableList<Any>) {

app/src/main/java/io/legado/app/ui/importbook/ImportBookActivity.kt

@@ -7,6 +7,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import androidx.appcompat.widget.PopupMenu
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
@@ -16,6 +17,7 @@ import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.help.AppConfig
 import io.legado.app.lib.theme.accentColor
+import io.legado.app.ui.widget.SelectActionBar
 import io.legado.app.utils.DocumentUtils
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_import_book.*
@@ -28,6 +30,7 @@ import java.io.File
 
 
 class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity_import_book),
+    PopupMenu.OnMenuItemClickListener,
     ImportBookAdapter.CallBack {
     private val requestCodeSelectFolder = 342
     private var rootDoc: DocumentFile? = null
@@ -50,37 +53,52 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
         return super.onCompatCreateOptionsMenu(menu)
     }
 
-    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.menu_select_folder -> selectImportFolder()
-        }
-        return super.onCompatOptionsItemSelected(item)
-    }
-
     private fun initView() {
         recycler_view.layoutManager = LinearLayoutManager(this)
         adapter = ImportBookAdapter(this, this)
         recycler_view.adapter = adapter
         rotate_loading.loadingColor = accentColor
+        select_action_bar.setMainActionText(R.string.add_to_shelf)
+        select_action_bar.inflateMenu(R.menu.import_book_sel)
+        select_action_bar.setOnMenuItemClickListener(this)
+        select_action_bar.setCallBack(object : SelectActionBar.CallBack {
+            override fun selectAll(selectAll: Boolean) {
+                adapter.selectAll(selectAll)
+            }
+
+            override fun revertSelection() {
+                adapter.revertSelection()
+            }
+
+            override fun onClickMainAction() {
+                viewModel.addToBookshelf(adapter.selectedUris) {
+                    upPath()
+                }
+            }
+        })
     }
 
     private fun initEvent() {
         tv_go_back.onClick {
             goBackDir()
         }
-        btn_add_book.onClick {
-            viewModel.addToBookshelf(adapter.selectedUris) {
-                upPath()
     }
+
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_select_folder -> selectImportFolder()
         }
-        btn_delete.onClick {
+        return super.onCompatOptionsItemSelected(item)
+    }
+
+    override fun onMenuItemClick(item: MenuItem?): Boolean {
+        when (item?.itemId) {
+            R.id.menu_del_selection ->
                 viewModel.deleteDoc(adapter.selectedUris) {
                 upPath()
             }
         }
-        cb_selected_all.onClick {
-            adapter.selectAll(cb_selected_all.isChecked)
-        }
+        return false
     }
 
     private fun initData() {
@@ -186,36 +204,7 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
     }
 
     override fun upCountView() {
-        if (adapter.checkableCount == 0) {
-            cb_selected_all.isChecked = false
-        } else {
-            cb_selected_all.isChecked = adapter.selectedUris.size >= adapter.checkableCount
-        }
-
-        //重置全选的文字
-        if (cb_selected_all.isChecked) {
-            cb_selected_all.text = getString(
-                R.string.select_cancel_count,
-                adapter.selectedUris.size,
-                adapter.checkableCount
-            )
-        } else {
-            cb_selected_all.text = getString(
-                R.string.select_all_count,
-                adapter.selectedUris.size,
-                adapter.checkableCount
-            )
-        }
-        setMenuClickable(adapter.selectedUris.isNotEmpty())
-    }
-
-    private fun setMenuClickable(isClickable: Boolean) {
-        //设置是否可删除
-        btn_delete.isEnabled = isClickable
-        btn_delete.isClickable = isClickable
-        //设置是否可添加书籍
-        btn_add_book.isEnabled = isClickable
-        btn_add_book.isClickable = isClickable
+        select_action_bar.upCountView(adapter.selectedUris.size, adapter.checkableCount)
     }
 
 }

app/src/main/java/io/legado/app/ui/importbook/ImportBookAdapter.kt

@@ -13,7 +13,7 @@ import org.jetbrains.anko.sdk27.listeners.onClick
 
 class ImportBookAdapter(context: Context, val callBack: CallBack) :
     SimpleRecyclerAdapter<DocItem>(context, R.layout.item_import_book) {
-    var selectedUris = linkedSetOf<String>()
+    var selectedUris = hashSetOf<String>()
     var checkableCount = 0
     private var bookshelf = arrayListOf<String>()
 
@@ -55,6 +55,19 @@ class ImportBookAdapter(context: Context, val callBack: CallBack) :
         }
     }
 
+    fun revertSelection() {
+        getItems().forEach {
+            if (!it.isDir) {
+                if (selectedUris.contains(it.uri.toString())) {
+                    selectedUris.remove(it.uri.toString())
+                } else {
+                    selectedUris.add(it.uri.toString())
+                }
+            }
+        }
+        callBack.upCountView()
+    }
+
     override fun convert(holder: ItemViewHolder, item: DocItem, payloads: MutableList<Any>) {
         holder.itemView.apply {
             if (item.isDir) {

app/src/main/res/layout/activity_import_book.xml

@@ -68,47 +68,9 @@
 
     </FrameLayout>
 
-    <!--文件点击按钮-->
-    <LinearLayout
+    <io.legado.app.ui.widget.SelectActionBar
+        android:id="@+id/select_action_bar"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@color/background_menu"
-        android:gravity="center_vertical"
-        android:paddingLeft="16dp"
-        android:paddingRight="16dp"
-        android:paddingTop="6dp"
-        android:paddingBottom="6dp"
-        android:elevation="2dp">
-
-        <io.legado.app.lib.theme.view.ATECheckBox
-            android:id="@+id/cb_selected_all"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:padding="5dp"
-            android:text="@string/select_all_count"
-            android:textColor="@color/tv_text_default" />
-
-        <io.legado.app.lib.theme.view.ATEAccentStrokeTextView
-            android:id="@+id/btn_add_book"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_margin="5dp"
-            android:padding="5dp"
-            android:gravity="center"
-            android:minWidth="80dp"
-            android:text="@string/add_to_shelf" />
-
-        <io.legado.app.lib.theme.view.ATEAccentStrokeTextView
-            android:id="@+id/btn_delete"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_margin="5dp"
-            android:padding="5dp"
-            android:minWidth="80dp"
-            android:gravity="center"
-            android:text="@string/delete" />
-
-    </LinearLayout>
+        android:layout_height="wrap_content" />
 
 </LinearLayout>

app/src/main/res/menu/import_book_sel.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/menu_del_selection"
+        android:title="@string/delete" />
+
+</menu>