quill_html_editor 2.2.4

HTML rich text editor for Android, iOS, and Web, it is built with the powerful Quill Js library. Which is an open source WYSIWYG editor built for the modern web.

example/lib/main.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:quill_html_editor/quill_html_editor.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MaterialApp(debugShowCheckedModeBanner: false, home: MyApp()));
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  ///[controller] create a QuillEditorController to access the editor methods
  late QuillEditorController controller;

  ///[customToolBarList] pass the custom toolbarList to show only selected styles in the editor

  final customToolBarList = [
    ToolBarStyle.bold,
    ToolBarStyle.italic,
    ToolBarStyle.align,
    ToolBarStyle.color,
    ToolBarStyle.background,
    ToolBarStyle.listBullet,
    ToolBarStyle.listOrdered,
    ToolBarStyle.clean,
    ToolBarStyle.addTable,
    ToolBarStyle.editTable,
  ];

  final _toolbarColor = Colors.grey.shade200;
  final _backgroundColor = Colors.white70;
  final _toolbarIconColor = Colors.black87;
  final _editorTextStyle = const TextStyle(
      fontSize: 18,
      color: Colors.black,
      fontWeight: FontWeight.normal,
      fontFamily: 'Roboto');
  final _hintTextStyle = const TextStyle(
      fontSize: 18, color: Colors.black12, fontWeight: FontWeight.normal);

  bool _hasFocus = false;
  @override
  void initState() {
    controller = QuillEditorController();
    controller.onTextChanged((text) {
      debugPrint('listening to $text');
    });
    controller.onEditorLoaded(() {
      debugPrint('Editor Loaded :)');
    });
    super.initState();
  }

  @override
  void dispose() {
    /// please do not forget to dispose the controller
    controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return SafeArea(
      child: Scaffold(
        backgroundColor: Colors.white,
        resizeToAvoidBottomInset: true,
        body: Column(
          children: [
            ToolBar(
              toolBarColor: _toolbarColor,
              padding: const EdgeInsets.all(8),
              iconSize: 25,
              iconColor: _toolbarIconColor,
              activeIconColor: Colors.greenAccent.shade400,
              controller: controller,
              crossAxisAlignment: WrapCrossAlignment.start,
              direction: Axis.horizontal,
              customButtons: [
                Container(
                  width: 25,
                  height: 25,
                  decoration: BoxDecoration(
                      color: _hasFocus ? Colors.green : Colors.grey,
                      borderRadius: BorderRadius.circular(15)),
                ),
                InkWell(
                    onTap: () => unFocusEditor(),
                    child: const Icon(
                      Icons.favorite,
                      color: Colors.black,
                    )),
                InkWell(
                    onTap: () async {
                      var selectedText = await controller.getSelectedText();
                      debugPrint('selectedText $selectedText');
                      var selectedHtmlText =
                          await controller.getSelectedHtmlText();
                      debugPrint('selectedHtmlText $selectedHtmlText');
                    },
                    child: const Icon(
                      Icons.add_circle,
                      color: Colors.black,
                    )),
              ],
            ),
            Expanded(
              child: QuillHtmlEditor(
                text: "<h1>Hello</h1>This is a quill html editor example 😊",
                hintText: 'Hint text goes here',
                controller: controller,
                isEnabled: true,
                ensureVisible: false,
                minHeight: 500,
                textStyle: _editorTextStyle,
                hintTextStyle: _hintTextStyle,
                hintTextAlign: TextAlign.start,
                padding: const EdgeInsets.only(left: 10, top: 10),
                hintTextPadding: const EdgeInsets.only(left: 20),
                backgroundColor: _backgroundColor,
                inputAction: InputAction.send,
                onEditingComplete: (s) => debugPrint('Editing completed $s'),
                loadingBuilder: (context) {
                  return const Center(
                      child: CircularProgressIndicator(
                    strokeWidth: 1,
                    color: Colors.red,
                  ));
                },
                onFocusChanged: (focus) {
                  debugPrint('has focus $focus');
                  setState(() {
                    _hasFocus = focus;
                  });
                },
                onTextChanged: (text) => debugPrint('widget text change $text'),
                onEditorCreated: () {
                  debugPrint('Editor has been loaded');
                  setHtmlText('Testing text on load');
                },
                onEditorResized: (height) =>
                    debugPrint('Editor resized $height'),
                onSelectionChanged: (sel) =>
                    debugPrint('index ${sel.index}, range ${sel.length}'),
              ),
            ),
          ],
        ),
        bottomNavigationBar: Container(
          width: double.maxFinite,
          color: _toolbarColor,
          padding: const EdgeInsets.all(8),
          child: Wrap(
            children: [
              textButton(
                  text: 'Set Text',
                  onPressed: () {
                    setHtmlText('This text is set by you 🫵');
                  }),
              textButton(
                  text: 'Get Text',
                  onPressed: () {
                    getHtmlText();
                  }),
              textButton(
                  text: 'Insert Video',
                  onPressed: () {
                    ////insert
                    insertVideoURL(
                        'https://www.youtube.com/watch?v=4AoFA19gbLo');
                    insertVideoURL('https://vimeo.com/440421754');
                    insertVideoURL(
                        'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4');
                  }),
              textButton(
                  text: 'Insert Image',
                  onPressed: () {
                    insertNetworkImage('https://i.imgur.com/0DVAOec.gif');
                  }),
              textButton(
                  text: 'Insert Index',
                  onPressed: () {
                    insertHtmlText("This text is set by the insertText method",
                        index: 10);
                  }),
              textButton(
                  text: 'Undo',
                  onPressed: () {
                    controller.undo();
                  }),
              textButton(
                  text: 'Redo',
                  onPressed: () {
                    controller.redo();
                  }),
              textButton(
                  text: 'Clear History',
                  onPressed: () async {
                    controller.clearHistory();
                  }),
              textButton(
                  text: 'Clear Editor',
                  onPressed: () {
                    controller.clear();
                  }),
              textButton(
                  text: 'Get Delta',
                  onPressed: () async {
                    var delta = await controller.getDelta();
                    debugPrint('delta');
                    debugPrint(jsonEncode(delta));
                  }),
              textButton(
                  text: 'Set Delta',
                  onPressed: () {
                    final Map<dynamic, dynamic> deltaMap = {
                      "ops": [
                        {
                          "insert": {
                            "video":
                                "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4"
                          }
                        },
                        {
                          "insert": {
                            "video": "https://www.youtube.com/embed/4AoFA19gbLo"
                          }
                        },
                        {"insert": "Hello"},
                        {
                          "attributes": {"header": 1},
                          "insert": "\n"
                        },
                        {"insert": "You just set the Delta text 😊\n"}
                      ]
                    };
                    controller.setDelta(deltaMap);
                  }),
            ],
          ),
        ),
      ),
    );
  }

  Widget textButton({required String text, required VoidCallback onPressed}) {
    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: MaterialButton(
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
          color: _toolbarIconColor,
          onPressed: onPressed,
          child: Text(
            text,
            style: TextStyle(color: _toolbarColor),
          )),
    );
  }

  ///[getHtmlText] to get the html text from editor
  void getHtmlText() async {
    String? htmlText = await controller.getText();
    debugPrint(htmlText);
  }

  ///[setHtmlText] to set the html text to editor
  void setHtmlText(String text) async {
    await controller.setText(text);
  }

  ///[insertNetworkImage] to set the html text to editor
  void insertNetworkImage(String url) async {
    await controller.embedImage(url);
  }

  ///[insertVideoURL] to set the video url to editor
  ///this method recognises the inserted url and sanitize to make it embeddable url
  ///eg: converts youtube video to embed video, same for vimeo
  void insertVideoURL(String url) async {
    await controller.embedVideo(url);
  }

  /// to set the html text to editor
  /// if index is not set, it will be inserted at the cursor postion
  void insertHtmlText(String text, {int? index}) async {
    await controller.insertText(text, index: index);
  }

  /// to clear the editor
  void clearEditor() => controller.clear();

  /// to enable/disable the editor
  void enableEditor(bool enable) => controller.enableEditor(enable);

  /// method to un focus editor
  void unFocusEditor() => controller.unFocus();
}