feat: 优化代码

app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt

@@ -205,6 +205,9 @@ object AnalyzeTxtFile {
     }
 
     private fun getTocRule(book: Book, bookStream: RandomAccessFile, charset: Charset): Pattern? {
+        if (book.tocUrl.isNotEmpty()) {
+            return Pattern.compile(book.tocUrl, Pattern.MULTILINE)
+        }
         val tocRules = getTocRules()
         var rulePattern: Pattern? = null
         //首先获取128k的数据

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -62,6 +62,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     ReadAloudDialog.CallBack,
     ChangeSourceDialog.CallBack,
     ReadBook.CallBack,
+    TocRegexDialog.CallBack,
     ColorPickerDialogListener {
     private val requestCodeChapterList = 568
     private val requestCodeEditSource = 111
@@ -600,6 +601,13 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
      */
     override fun onDialogDismissed(dialogId: Int) = Unit
 
+    override fun onTocRegexDialogResult(tocRegex: String) {
+        ReadBook.book?.let {
+            it.tocUrl = tocRegex
+            viewModel.loadChapterList(it)
+        }
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (resultCode == Activity.RESULT_OK) {

app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt

@@ -99,6 +99,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         execute {
             if (book.isLocalBook()) {
                 AnalyzeTxtFile.analyze(context, book).let {
+                    App.db.bookChapterDao().delByBook(book.bookUrl)
                     App.db.bookChapterDao().insert(*it.toTypedArray())
                     App.db.bookDao().update(book)
                     ReadBook.chapterSize = it.size

app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt

@@ -12,6 +12,7 @@ import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.App
@@ -44,7 +45,7 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
     private lateinit var adapter: TocRegexAdapter
     private var tocRegexLiveData: LiveData<List<TxtTocRule>>? = null
     var selectedName: String? = null
-    var durRegex: String? = null
+    private var durRegex: String? = null
 
     override fun onStart() {
         super.onStart()
@@ -80,6 +81,20 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
         val itemTouchCallback = ItemTouchCallback()
         itemTouchCallback.onItemTouchCallbackListener = adapter
         itemTouchCallback.isCanDrag = true
+        ItemTouchHelper(itemTouchCallback).attachToRecyclerView(recycler_view)
+        tv_cancel.onClick {
+            dismiss()
+        }
+        tv_ok.onClick {
+            adapter.getItems().forEach { tocRule ->
+                if (selectedName == tocRule.name) {
+                    val callBack = activity as? CallBack
+                    callBack?.onTocRegexDialogResult(tocRule.rule)
+                    dismiss()
+                    return@onClick
+                }
+            }
+        }
     }
 
     private fun initData() {
@@ -138,14 +153,14 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
                 rootView?.let {
                     tocRule.name = tv_rule_name.text.toString()
                     tocRule.rule = tv_rule_regex.text.toString()
-                    saveRule(rule, tocRule)
+                    saveRule(tocRule, rule)
                 }
             }
             cancelButton()
         }.show().applyTint()
     }
 
-    private fun saveRule(oldRule: TxtTocRule?, rule: TxtTocRule) {
+    private fun saveRule(rule: TxtTocRule, oldRule: TxtTocRule? = null) {
         launch(IO) {
             if (rule.serialNumber < 0) {
                 rule.serialNumber = adapter.getItems().lastOrNull()?.serialNumber ?: 0 + 1
@@ -181,6 +196,16 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
                         updateItems(0, itemCount - 1, true)
                     }
                 }
+                swt_enabled.setOnCheckedChangeListener { buttonView, isChecked ->
+                    if (buttonView.isPressed) {
+                        getItem(holder.layoutPosition)?.let {
+                            it.enable = isChecked
+                            launch(IO) {
+                                App.db.txtTocRule().update(it)
+                            }
+                        }
+                    }
+                }
                 iv_edit.onClick {
                     editRule(getItem(holder.layoutPosition))
                 }
@@ -228,4 +253,8 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
         }
     }
 
+    interface CallBack {
+        fun onTocRegexDialogResult(tocRegex: String) {}
+    }
+
 }

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

@@ -2,7 +2,10 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:paddingTop="10dp"
+    android:paddingStart="10dp"
+    android:paddingEnd="10dp">
 
     <io.legado.app.ui.widget.text.TextInputLayout
         android:layout_width="match_parent"