fix undo insert image on empty asset

4 years ago · cdd88241a6
parent 2aa577ca58
commit cdd88241a6
1 changed files with 2 additions and 2 deletions
--- a/lib/src/widgets/controller.dart
+++ b/lib/src/widgets/controller.dart
@ -79,13 +79,13 @@ class QuillController extends ChangeNotifier {
  }

  void _handleHistoryChange(int? len) {
-    if (len != 0) {
+    if (len! > 0) {
      // if (this.selection.extentOffset >= document.length) {
      // // cursor exceeds the length of document, position it in the end
      // updateSelection(
      // TextSelection.collapsed(offset: document.length), ChangeSource.LOCAL);
      updateSelection(
-          TextSelection.collapsed(offset: selection.baseOffset + len!),
+          TextSelection.collapsed(offset: selection.baseOffset + len),
          ChangeSource.LOCAL);
    } else {
      // no need to move cursor