flutter-quill/flutter_quill_extensions/lib/logic/extensions/controller.dart

import 'package:flutter_quill/flutter_quill.dart';

// ignore: unused_import
import '../../presentation/embeds/editor/webview.dart';
import '../utils/quill_image_utils.dart';

/// Extension functions on [QuillController]
/// that make it easier to insert the embed blocks
///
/// and provide some other extra utilities
extension QuillControllerExt on QuillController {
  int get index => selection.baseOffset;
  int get length => selection.extentOffset - index;

  /// Insert webview embed block, it requires [initialUrl] to load
  /// the initial page
  // void insertWebViewBlock({
  //   required String initialUrl,
  // }) {
  //   final block = BlockEmbed.custom(
  //     QuillEditorWebViewBlockEmbed(
  //       initialUrl,
  //     ),
  //   );

  //   this
  //     ..skipRequestKeyboard = true
  //     ..replaceText(
  //       index,
  //       length,
  //       block,
  //       null,
  //     );
  // }

  /// Insert image embed block, it requires the [imageSource]
  ///
  /// it could be local image on the system file
  /// http image on the network
  ///
  /// image base 64
  void insertImageBlock({
    required String imageSource,
  }) {
    this
      ..skipRequestKeyboard = true
      ..replaceText(
        index,
        length,
        BlockEmbed.image(imageSource),
        null,
      );
  }

  /// Insert video embed block, it requires the [videoUrl]
  ///
  /// it could be the video url directly (.mp4)
  /// either locally on file system
  /// or http video on the network
  ///
  /// it also supports youtube video url
  void insertVideoBlock({
    required String videoUrl,
  }) {
    this
      ..skipRequestKeyboard = true
      ..replaceText(index, length, BlockEmbed.video(videoUrl), null);
  }

  QuillImageUtilities get imageUtilities {
    return QuillImageUtilities(
      controller: this,
    );
  }
}