456 lines
18 KiB
Dart
456 lines
18 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:html_editor_enhanced/html_editor.dart';
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import 'package:file_picker/file_picker.dart';
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void main() => runApp(HtmlEditorExampleApp());
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class HtmlEditorExampleApp extends StatelessWidget {
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(),
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darkTheme: ThemeData.dark(),
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home: HtmlEditorExample(title: 'Flutter HTML Editor Example'),
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);
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}
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}
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class HtmlEditorExample extends StatefulWidget {
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HtmlEditorExample({Key? key, required this.title}) : super(key: key);
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final String title;
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@override
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_HtmlEditorExampleState createState() => _HtmlEditorExampleState();
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}
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class _HtmlEditorExampleState extends State<HtmlEditorExample> {
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String result = '';
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final HtmlEditorController controller = HtmlEditorController();
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: () {
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if (!kIsWeb) {
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controller.clearFocus();
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}
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},
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child: Scaffold(
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appBar: AppBar(
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title: Text(widget.title),
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elevation: 0,
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actions: [
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IconButton(
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icon: Icon(Icons.refresh),
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onPressed: () {
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if (kIsWeb) {
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controller.reloadWeb();
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} else {
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controller.editorController!.reload();
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}
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})
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],
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () {
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controller.toggleCodeView();
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},
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child: Text(r'<\>',
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18)),
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),
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body: SingleChildScrollView(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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HtmlEditor(
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controller: controller,
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htmlEditorOptions: HtmlEditorOptions(
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hint: 'Your text here...',
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shouldEnsureVisible: true,
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//initialText: "<p>text content initial, if any</p>",
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),
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htmlToolbarOptions: HtmlToolbarOptions(
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toolbarPosition: ToolbarPosition.aboveEditor, //by default
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toolbarType: ToolbarType.nativeScrollable, //by default
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onButtonPressed:
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(ButtonType type, bool? status, Function? updateStatus) {
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print(
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"button '${describeEnum(type)}' pressed, the current selected status is $status");
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return true;
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},
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onDropdownChanged: (DropdownType type, dynamic changed,
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Function(dynamic)? updateSelectedItem) {
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print(
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"dropdown '${describeEnum(type)}' changed to $changed");
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return true;
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},
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mediaLinkInsertInterceptor:
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(String url, InsertFileType type) {
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print(url);
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return true;
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},
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mediaUploadInterceptor:
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(PlatformFile file, InsertFileType type) async {
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print(file.name); //filename
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print(file.size); //size in bytes
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print(file.extension); //file extension (eg jpeg or mp4)
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return true;
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},
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),
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otherOptions: OtherOptions(height: 550),
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callbacks: Callbacks(onBeforeCommand: (String? currentHtml) {
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print('html before change is $currentHtml');
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}, onChangeContent: (String? changed) {
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print('content changed to $changed');
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}, onChangeCodeview: (String? changed) {
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print('code changed to $changed');
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}, onChangeSelection: (EditorSettings settings) {
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print('parent element is ${settings.parentElement}');
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print('font name is ${settings.fontName}');
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}, onDialogShown: () {
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print('dialog shown');
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}, onEnter: () {
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print('enter/return pressed');
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}, onFocus: () {
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print('editor focused');
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}, onBlur: () {
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print('editor unfocused');
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}, onBlurCodeview: () {
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print('codeview either focused or unfocused');
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}, onInit: () {
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print('init');
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},
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//this is commented because it overrides the default Summernote handlers
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/*onImageLinkInsert: (String? url) {
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print(url ?? "unknown url");
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},
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onImageUpload: (FileUpload file) async {
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print(file.name);
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print(file.size);
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print(file.type);
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print(file.base64);
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},*/
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onImageUploadError: (FileUpload? file, String? base64Str,
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UploadError error) {
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print(describeEnum(error));
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print(base64Str ?? '');
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if (file != null) {
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print(file.name);
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print(file.size);
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print(file.type);
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}
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}, onKeyDown: (int? keyCode) {
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print('$keyCode key downed');
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print(
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'current character count: ${controller.characterCount}');
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}, onKeyUp: (int? keyCode) {
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print('$keyCode key released');
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}, onMouseDown: () {
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print('mouse downed');
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}, onMouseUp: () {
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print('mouse released');
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}, onNavigationRequestMobile: (String url) {
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print(url);
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return NavigationActionPolicy.ALLOW;
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}, onPaste: () {
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print('pasted into editor');
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}, onScroll: () {
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print('editor scrolled');
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}),
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plugins: [
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SummernoteAtMention(
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getSuggestionsMobile: (String value) {
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var mentions = <String>['test1', 'test2', 'test3'];
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return mentions
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.where((element) => element.contains(value))
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.toList();
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},
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mentionsWeb: ['test1', 'test2', 'test3'],
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onSelect: (String value) {
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print(value);
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}),
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],
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.undo();
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},
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child:
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Text('Undo', style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.clear();
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},
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child:
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Text('Reset', style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () async {
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var txt = await controller.getText();
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if (txt.contains('src=\"data:')) {
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txt =
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'<text removed due to base-64 data, displaying the text could cause the app to crash>';
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}
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setState(() {
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result = txt;
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});
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},
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child: Text(
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'Submit',
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style: TextStyle(color: Colors.white),
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),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () {
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controller.redo();
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},
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child: Text(
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'Redo',
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style: TextStyle(color: Colors.white),
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),
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),
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],
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),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(result),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.disable();
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},
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child: Text('Disable',
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style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () async {
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controller.enable();
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},
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child: Text(
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'Enable',
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style: TextStyle(color: Colors.white),
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),
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),
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],
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),
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),
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SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () {
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controller.insertText('Google');
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},
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child: Text('Insert Text',
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style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () {
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controller.insertHtml(
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'''<p style="color: blue">Google in blue</p>''');
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},
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child: Text('Insert HTML',
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style: TextStyle(color: Colors.white)),
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),
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],
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),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () async {
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controller.insertLink(
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'Google linked', 'https://google.com', true);
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},
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child: Text(
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'Insert Link',
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style: TextStyle(color: Colors.white),
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),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () {
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controller.insertNetworkImage(
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'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png',
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filename: 'Google network image');
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},
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child: Text(
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'Insert network image',
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style: TextStyle(color: Colors.white),
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),
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),
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],
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),
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),
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SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.addNotification(
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'Info notification', NotificationType.info);
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},
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child:
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Text('Info', style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.addNotification(
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'Warning notification', NotificationType.warning);
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},
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child: Text('Warning',
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style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () async {
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controller.addNotification(
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'Success notification', NotificationType.success);
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},
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child: Text(
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'Success',
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style: TextStyle(color: Colors.white),
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),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () {
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controller.addNotification(
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'Danger notification', NotificationType.danger);
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},
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child: Text(
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'Danger',
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style: TextStyle(color: Colors.white),
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),
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),
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],
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),
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),
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SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.blueGrey),
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onPressed: () {
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controller.addNotification('Plaintext notification',
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NotificationType.plaintext);
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},
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child: Text('Plaintext',
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style: TextStyle(color: Colors.white)),
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),
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SizedBox(
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width: 16,
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),
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor:
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Theme.of(context).colorScheme.secondary),
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onPressed: () async {
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controller.removeNotification();
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},
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child: Text(
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'Remove',
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style: TextStyle(color: Colors.white),
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),
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),
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],
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),
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),
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],
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),
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),
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),
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);
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}
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}
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