]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/activities/BookmarksActivity.kt
Add a context menu option to copy link text. https://redmine.stoutner.com/issues...
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / BookmarksActivity.kt
index 737d6393be75dadd936d94968a211f58ab41f52a..794f7e5dbf41b268908631b9a0a282e8d88f1b65 100644 (file)
@@ -1,7 +1,7 @@
 /*
- * Copyright 2016-2023 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2016-2024 Soren Stoutner <soren@stoutner.com>.
  *
- * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
+ * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android/>.
  *
  * Privacy Browser Android is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -47,6 +47,7 @@ import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.app.ActionBar
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
+import androidx.core.graphics.drawable.toBitmap
 import androidx.cursoradapter.widget.CursorAdapter
 import androidx.fragment.app.DialogFragment
 import androidx.preference.PreferenceManager
@@ -72,12 +73,12 @@ import java.io.ByteArrayOutputStream
 import java.util.function.Consumer
 
 // Define the public constants.
-const val CURRENT_FAVORITE_ICON_BYTE_ARRAY = "A"
-const val CURRENT_FOLDER_ID = "B"
-const val CURRENT_TITLE = "C"
+const val CURRENT_FAVORITE_ICON_BYTE_ARRAY = "current_favorite_icon_byte_array"
+const val CURRENT_FOLDER_ID = "current_folder_id"
+const val CURRENT_TITLE = "current_title"
 
 // Define the private constants.
-private const val CHECKED_BOOKMARKS_ARRAY_LIST = "D"
+private const val CHECKED_BOOKMARKS_ARRAY_LIST = "checked_bookmarks_array_list"
 
 class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, EditBookmarkDialog.EditBookmarkListener,
     EditBookmarkFolderDialog.EditBookmarkFolderListener, MoveToFolderDialog.MoveToFolderListener {
@@ -93,6 +94,7 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
     private var checkingManyBookmarks = false
     private var closeActivityAfterDismissingSnackbar = false
     private var contextualActionMode: ActionMode? = null
+    private var sortBookmarksAlphabetically = false
 
     // Declare the class variables.
     private lateinit var appBar: ActionBar
@@ -112,6 +114,7 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         // Get the preferences.
         val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
         val bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false)
+        sortBookmarksAlphabetically = sharedPreferences.getBoolean(getString(R.string.sort_bookmarks_alphabetically_key), false)
 
         // Disable screenshots if not allowed.
         if (!allowScreenshots) {
@@ -233,6 +236,12 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
                 deleteBookmarksMenuItem = menu.findItem(R.id.delete_bookmark)
                 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks)
 
+                // Hide the move up and down menu items if bookmarks are sorted alphabetically.
+                if (sortBookmarksAlphabetically) {
+                    moveBookmarkUpMenuItem.isVisible = false
+                    moveBookmarkDownMenuItem.isVisible = false
+                }
+
                 // Disable the delete bookmarks menu item if a delete is pending.
                 deleteBookmarksMenuItem.isEnabled = !deletingBookmarks
 
@@ -261,17 +270,26 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
                     if (numberOfSelectedBookmarks > 0) {
                         // Adjust the action mode and the menu according to the number of selected bookmarks.
                         if (numberOfSelectedBookmarks == 1) {  // One bookmark is selected.
-                            // Show the applicable menu items.
-                            moveBookmarkUpMenuItem.isVisible = true
-                            moveBookmarkDownMenuItem.isVisible = true
+                            // Update the move menu items if the bookmarks are not sorted alphabetically.
+                            if (!sortBookmarksAlphabetically) {
+                                moveBookmarkUpMenuItem.isVisible = true
+                                moveBookmarkDownMenuItem.isVisible = true
+                            }
+
+                            // Show the edit bookmark menu item.
                             editBookmarkMenuItem.isVisible = true
 
-                            // Update the enabled status of the move icons.
-                            updateMoveIcons()
+                            // Update the enabled status of the move icons if the bookmarks are not sorted alphabetically.
+                            if (!sortBookmarksAlphabetically)
+                                updateMoveIcons()
                         } else {  // More than one bookmark is selected.
-                            // Hide non-applicable `MenuItems`.
-                            moveBookmarkUpMenuItem.isVisible = false
-                            moveBookmarkDownMenuItem.isVisible = false
+                            // Update the move menu items if the bookmarks are not sorted alphabetically.
+                            if (!sortBookmarksAlphabetically) {
+                                moveBookmarkUpMenuItem.isVisible = false
+                                moveBookmarkDownMenuItem.isVisible = false
+                            }
+
+                            // Hide the edit bookmark menu item.
                             editBookmarkMenuItem.isVisible = false
                         }
 
@@ -469,7 +487,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
                     checkedBookmarksPositionsSparseBooleanArray = bookmarksListView.checkedItemPositions.clone()
 
                     // Update the bookmarks cursor with the current contents of the bookmarks database except for the specified database IDs.
-                    bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(checkedBookmarksIdsLongArray, currentFolderId)
+                    bookmarksCursor = if (sortBookmarksAlphabetically)
+                        bookmarksDatabaseHelper.getBookmarksSortedAlphabeticallyExcept(checkedBookmarksIdsLongArray, currentFolderId)
+                    else
+                        bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(checkedBookmarksIdsLongArray, currentFolderId)
 
                     // Update the list view.
                     bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -481,7 +502,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
                             override fun onDismissed(snackbar: Snackbar, event: Int) {
                                 if (event == DISMISS_EVENT_ACTION) {  // The user pushed the undo button.
                                     // Update the bookmarks cursor with the current contents of the bookmarks database, including the "deleted" bookmarks.
-                                    bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+                                    bookmarksCursor = if (sortBookmarksAlphabetically)
+                                        bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+                                    else
+                                        bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
                                     // Update the list view.
                                     bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -515,18 +539,8 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
                                         bookmarksDatabaseHelper.deleteBookmark(databaseIdInt)
                                     }
 
-                                    // Update the display order.
-                                    for (i in 0 until bookmarksListView.count) {
-                                        // Get the database ID for the current bookmark.
-                                        val currentBookmarkDatabaseId = bookmarksListView.getItemIdAtPosition(i).toInt()
-
-                                        // Move bookmarks cursor to the current bookmark position.
-                                        bookmarksCursor.moveToPosition(i)
-
-                                        // Update the display order only if it is not correct in the database.
-                                        if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndexOrThrow(DISPLAY_ORDER)) != i)
-                                            bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i)
-                                    }
+                                    // Recalculate the display order of the current folder.
+                                    bookmarksDatabaseHelper.recalculateFolderContentsDisplayOrder(currentFolderId)
                                 }
 
                                 // Reset the deleting bookmarks flag.
@@ -626,9 +640,9 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         }
     }
 
-    public override fun onSaveInstanceState(savedInstanceState: Bundle) {
+    public override fun onSaveInstanceState(outState: Bundle) {
         // Run the default commands.
-        super.onSaveInstanceState(savedInstanceState)
+        super.onSaveInstanceState(outState)
 
         // Get the sparse boolean array of the checked items.
         val checkedBookmarksSparseBooleanArray = bookmarksListView.checkedItemPositions
@@ -645,9 +659,9 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
             }
         }
 
-        // Store the variables in the saved instance state.
-        savedInstanceState.putLong(CURRENT_FOLDER_ID, currentFolderId)
-        savedInstanceState.putIntegerArrayList(CHECKED_BOOKMARKS_ARRAY_LIST, checkedBookmarksArrayList)
+        // Store the variables in the out state.
+        outState.putLong(CURRENT_FOLDER_ID, currentFolderId)
+        outState.putIntegerArrayList(CHECKED_BOOKMARKS_ARRAY_LIST, checkedBookmarksArrayList)
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -706,17 +720,29 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         return true
     }
 
-    override fun createBookmark(dialogFragment: DialogFragment, favoriteIconBitmap: Bitmap) {
+    override fun createBookmark(dialogFragment: DialogFragment) {
         // Get the alert dialog from the fragment.
         val dialog = dialogFragment.dialog!!
 
-        // Get the views from the dialog fragment.
-        val createBookmarkNameEditText = dialog.findViewById<EditText>(R.id.create_bookmark_name_edittext)
-        val createBookmarkUrlEditText = dialog.findViewById<EditText>(R.id.create_bookmark_url_edittext)
+        // Get handles for the views from the dialog fragment.
+        val webpageFavoriteIconRadioButton = dialog.findViewById<RadioButton>(R.id.webpage_favorite_icon_radiobutton)
+        val webpageFavoriteIconImageView = dialog.findViewById<ImageView>(R.id.webpage_favorite_icon_imageview)
+        val customIconImageView = dialog.findViewById<ImageView>(R.id.custom_icon_imageview)
+        val bookmarkNameEditText = dialog.findViewById<EditText>(R.id.bookmark_name_edittext)
+        val bookmarkUrlEditText = dialog.findViewById<EditText>(R.id.bookmark_url_edittext)
+
+        // Get the strings from the edit texts.
+        val bookmarkNameString = bookmarkNameEditText.text.toString()
+        val bookmarkUrlString = bookmarkUrlEditText.text.toString()
+
+        // Get the selected favorite icon drawable.
+        val favoriteIconDrawable = if (webpageFavoriteIconRadioButton.isChecked)  // The webpage favorite icon is checked.
+            webpageFavoriteIconImageView.drawable
+        else  // The custom favorite icon is checked.
+            customIconImageView.drawable
 
-        // Extract the strings from the edit texts.
-        val bookmarkNameString = createBookmarkNameEditText.text.toString()
-        val bookmarkUrlString = createBookmarkUrlEditText.text.toString()
+        // Convert the favorite icon drawable to a bitmap.  Once the minimum API >= 33, this can use Bitmap.Config.RGBA_1010102.
+        val favoriteIconBitmap = favoriteIconDrawable.toBitmap(128, 128, Bitmap.Config.ARGB_8888)
 
         // Create a favorite icon byte array output stream.
         val favoriteIconByteArrayOutputStream = ByteArrayOutputStream()
@@ -734,7 +760,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentFolderId, newBookmarkDisplayOrder, favoriteIconByteArray)
 
         // Update the bookmarks cursor with the current contents of this folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Update the list view.
         bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -743,32 +772,34 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         bookmarksListView.setSelection(newBookmarkDisplayOrder)
     }
 
-    override fun createBookmarkFolder(dialogFragment: DialogFragment, favoriteIconBitmap: Bitmap) {
+    override fun createBookmarkFolder(dialogFragment: DialogFragment) {
         // Get the dialog from the dialog fragment.
         val dialog = dialogFragment.dialog!!
 
         // Get handles for the views in the dialog fragment.
+        val defaultFolderIconRadioButton = dialog.findViewById<RadioButton>(R.id.default_folder_icon_radiobutton)
+        val defaultFolderIconImageView = dialog.findViewById<ImageView>(R.id.default_folder_icon_imageview)
+        val webpageFavoriteIconRadioButton = dialog.findViewById<RadioButton>(R.id.webpage_favorite_icon_radiobutton)
+        val webpageFavoriteIconImageView = dialog.findViewById<ImageView>(R.id.webpage_favorite_icon_imageview)
+        val customIconImageView = dialog.findViewById<ImageView>(R.id.custom_icon_imageview)
         val folderNameEditText = dialog.findViewById<EditText>(R.id.folder_name_edittext)
-        val defaultIconRadioButton = dialog.findViewById<RadioButton>(R.id.default_icon_radiobutton)
-        val defaultIconImageView = dialog.findViewById<ImageView>(R.id.default_icon_imageview)
 
-        // Get new folder name string.
+        // Get the folder name string.
         val folderNameString = folderNameEditText.text.toString()
 
-        // Set the folder icon bitmap according to the dialog.
-        val folderIconBitmap = if (defaultIconRadioButton.isChecked) {  // Use the default folder icon.
-            // Get the default folder icon drawable.
-            val folderIconDrawable = defaultIconImageView.drawable
+        // Get the selected folder icon drawable.
+        val folderIconDrawable = if (defaultFolderIconRadioButton.isChecked)  // Use the default folder icon.
+            defaultFolderIconImageView.drawable
+        else if (webpageFavoriteIconRadioButton.isChecked)  // Use the webpage favorite icon.
+            webpageFavoriteIconImageView.drawable
+        else  // Use the custom icon.
+            customIconImageView.drawable
 
-            // Convert the folder icon drawable to a bitmap drawable.
-            val folderIconBitmapDrawable = folderIconDrawable as BitmapDrawable
+        // Cast the folder icon bitmap to a bitmap drawable.
+        val folderIconBitmapDrawable = folderIconDrawable as BitmapDrawable
 
-            // Convert the folder icon bitmap drawable to a bitmap.
-            folderIconBitmapDrawable.bitmap
-        } else {  // Use the WebView favorite icon.
-            // Copy the favorite icon bitmap to the folder icon bitmap.
-            favoriteIconBitmap
-        }
+        // Convert the folder icon bitmap drawable to a bitmap.
+        val folderIconBitmap = folderIconBitmapDrawable.bitmap
 
         // Create a folder icon byte array output stream.
         val folderIconByteArrayOutputStream = ByteArrayOutputStream()
@@ -789,7 +820,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         bookmarksDatabaseHelper.createFolder(folderNameString, currentFolderId, displayOrder = 0, folderIconByteArray)
 
         // Update the bookmarks cursor with the contents of the current folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Update the list view.
         bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -798,16 +832,19 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         bookmarksListView.setSelection(0)
     }
 
-    override fun onSaveBookmark(dialogFragment: DialogFragment, selectedBookmarkDatabaseId: Int, favoriteIconBitmap: Bitmap) {
+    override fun saveBookmark(dialogFragment: DialogFragment, selectedBookmarkDatabaseId: Int) {
         // Get the dialog from the dialog fragment.
         val dialog = dialogFragment.dialog!!
 
         // Get handles for the views from the dialog fragment.
+        val currentIconRadioButton = dialog.findViewById<RadioButton>(R.id.current_icon_radiobutton)
+        val webpageFavoriteIconRadioButton = dialog.findViewById<RadioButton>(R.id.webpage_favorite_icon_radiobutton)
+        val webpageFavoriteIconImageView = dialog.findViewById<ImageView>(R.id.webpage_favorite_icon_imageview)
+        val customIconImageView = dialog.findViewById<ImageView>(R.id.custom_icon_imageview)
         val bookmarkNameEditText = dialog.findViewById<EditText>(R.id.bookmark_name_edittext)
         val bookmarkUrlEditText = dialog.findViewById<EditText>(R.id.bookmark_url_edittext)
-        val currentIconRadioButton = dialog.findViewById<RadioButton>(R.id.current_icon_radiobutton)
 
-        // Get the bookmark strings.
+        // Get the strings from the edit texts.
         val bookmarkNameString = bookmarkNameEditText.text.toString()
         val bookmarkUrlString = bookmarkUrlEditText.text.toString()
 
@@ -815,6 +852,15 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         if (currentIconRadioButton.isChecked) {  // Update the bookmark without changing the favorite icon.
             bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString)
         } else {  // Update the bookmark using the WebView favorite icon.
+            // Get the selected favorite icon drawable.
+            val favoriteIconDrawable = if (webpageFavoriteIconRadioButton.isChecked)  // The webpage favorite icon is checked.
+                webpageFavoriteIconImageView.drawable
+            else  // The custom icon is checked.
+                customIconImageView.drawable
+
+            // Convert the favorite icon drawable to a bitmap.  Once the minimum API >= 33, this can use Bitmap.Config.RGBA_1010102.
+            val favoriteIconBitmap = favoriteIconDrawable.toBitmap(128, 128, Bitmap.Config.ARGB_8888)
+
             // Create a favorite icon byte array output stream.
             val newFavoriteIconByteArrayOutputStream = ByteArrayOutputStream()
 
@@ -832,46 +878,48 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         contextualActionMode?.finish()
 
         // Update the bookmarks cursor with the contents of the current folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Update the list view.
         bookmarksCursorAdapter.changeCursor(bookmarksCursor)
     }
 
-    override fun onSaveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int, favoriteIconBitmap: Bitmap) {
+    override fun saveBookmarkFolder(dialogFragment: DialogFragment, selectedFolderDatabaseId: Int) {
         // Get the dialog from the dialog fragment.
         val dialog = dialogFragment.dialog!!
 
         // Get handles for the views from the dialog fragment.
         val currentFolderIconRadioButton = dialog.findViewById<RadioButton>(R.id.current_icon_radiobutton)
-        val defaultFolderIconRadioButton = dialog.findViewById<RadioButton>(R.id.default_icon_radiobutton)
-        val defaultFolderIconImageView = dialog.findViewById<ImageView>(R.id.default_icon_imageview)
-        val editFolderNameEditText = dialog.findViewById<EditText>(R.id.folder_name_edittext)
+        val defaultFolderIconRadioButton = dialog.findViewById<RadioButton>(R.id.default_folder_icon_radiobutton)
+        val defaultFolderIconImageView = dialog.findViewById<ImageView>(R.id.default_folder_icon_imageview)
+        val webpageFavoriteIconRadioButton = dialog.findViewById<RadioButton>(R.id.webpage_favorite_icon_radiobutton)
+        val webpageFavoriteIconImageView = dialog.findViewById<ImageView>(R.id.webpage_favorite_icon_imageview)
+        val customIconImageView = dialog.findViewById<ImageView>(R.id.custom_icon_imageview)
+        val folderNameEditText = dialog.findViewById<EditText>(R.id.folder_name_edittext)
 
         // Get the new folder name.
-        val newFolderName = editFolderNameEditText.text.toString()
+        val newFolderName = folderNameEditText.text.toString()
 
-        // Check if the favorite icon has changed.
+        // Check if the folder icon has changed.
         if (currentFolderIconRadioButton.isChecked) {  // Only the name has changed.
             // Update the name in the database.
             bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, newFolderName)
         } else {  // The icon has changed.
-            // Populate the new folder icon bitmap.
-            val folderIconBitmap: Bitmap = if (defaultFolderIconRadioButton.isChecked) {
-                // Get the default folder icon drawable.
-                val folderIconDrawable = defaultFolderIconImageView.drawable
-
-                // Convert the folder icon drawable to a bitmap drawable.
-                val folderIconBitmapDrawable = folderIconDrawable as BitmapDrawable
-
-                // Convert the folder icon bitmap drawable to a bitmap.
-                folderIconBitmapDrawable.bitmap
-            } else {  // Use the WebView favorite icon.
-                // Copy the favorite icon bitmap to the folder icon bitmap.
-                favoriteIconBitmap
-            }
-
-            // Create a folder icon byte array output stream.
+            // Get the selected folder icon drawable.
+            val folderIconDrawable = if (defaultFolderIconRadioButton.isChecked)  // The default folder icon is checked.
+                defaultFolderIconImageView.drawable
+            else if (webpageFavoriteIconRadioButton.isChecked)  // The webpage favorite icon is checked.
+                webpageFavoriteIconImageView.drawable
+            else  // The custom icon is checked.
+                customIconImageView.drawable
+
+            // Convert the folder icon drawable to a bitmap.  Once the minimum API >= 33, this can use Bitmap.Config.RGBA_1010102.
+            val folderIconBitmap = folderIconDrawable.toBitmap(128, 128, Bitmap.Config.ARGB_8888)
+
+            // Create a new folder icon byte array output stream.
             val newFolderIconByteArrayOutputStream = ByteArrayOutputStream()
 
             // Convert the folder icon bitmap to a byte array.  `0` is for lossless compression (the only option for a PNG).
@@ -885,7 +933,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
         }
 
         // Update the bookmarks cursor with the current contents of this folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Update the list view.
         bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -927,8 +978,14 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
             bookmarksDatabaseHelper.moveToFolder(databaseIdInt, newFolderId)
         }
 
+        // Recalculate the display order of the current folder.
+        bookmarksDatabaseHelper.recalculateFolderContentsDisplayOrder(currentFolderId)
+
         // Update the bookmarks cursor with the current contents of this folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Update the list view.
         bookmarksCursorAdapter.changeCursor(bookmarksCursor)
@@ -1072,7 +1129,10 @@ class BookmarksActivity : AppCompatActivity(), CreateBookmarkDialog.CreateBookma
 
     private fun loadFolder() {
         // Update the bookmarks cursor with the contents of the bookmarks database for the current folder.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
+        bookmarksCursor = if (sortBookmarksAlphabetically)
+            bookmarksDatabaseHelper.getBookmarksSortedAlphabetically(currentFolderId)
+        else
+            bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderId)
 
         // Setup a cursor adapter.
         bookmarksCursorAdapter = object : CursorAdapter(this, bookmarksCursor, false) {