alexeyinkin commented on code in PR #24865:
URL: https://github.com/apache/beam/pull/24865#discussion_r1063237431
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playground/frontend/playground_components/lib/src/widgets/snippet_editor.dart:
##########
@@ -16,120 +16,69 @@
* limitations under the License.
*/
-import 'dart:math';
-
import 'package:flutter/material.dart';
-import 'package:flutter/scheduler.dart';
-import 'package:flutter_code_editor/flutter_code_editor.dart';
+import '../constants/sizes.dart';
import '../controllers/snippet_editing_controller.dart';
-import '../theme/theme.dart';
-
-class SnippetEditor extends StatefulWidget {
- final SnippetEditingController controller;
- final bool isEditable;
+import 'loading_indicator.dart';
+import 'snippet_file_editor.dart';
+import 'tabbed_snippet_editor.dart';
- SnippetEditor({
+class SnippetEditor extends StatelessWidget {
+ const SnippetEditor({
required this.controller,
required this.isEditable,
- }) : super(
- // When the example is changed, will scroll to the context line again.
- key: ValueKey(controller.selectedExample),
- );
-
- @override
- State<SnippetEditor> createState() => _SnippetEditorState();
-}
-
-class _SnippetEditorState extends State<SnippetEditor> {
- bool _didAutoFocus = false;
- final _focusNode = FocusNode();
- final _scrollController = ScrollController();
-
- @override
- void didChangeDependencies() {
- super.didChangeDependencies();
-
- if (!_didAutoFocus) {
- _didAutoFocus = true;
- SchedulerBinding.instance.addPostFrameCallback((_) {
- if (mounted) {
- _scrollSoCursorIsOnTop();
- }
- });
- }
- }
-
- void _scrollSoCursorIsOnTop() {
- _focusNode.requestFocus();
+ this.actionsWidget,
+ });
- final position = max(widget.controller.codeController.selection.start, 0);
- final characterOffset = _getLastCharacterOffset(
- text: widget.controller.codeController.text.substring(0, position),
- style: kLightTheme.extension<BeamThemeExtension>()!.codeRootStyle,
- );
+ final SnippetEditingController controller;
+ final bool isEditable;
- _scrollController.jumpTo(
- min(
- characterOffset.dy,
- _scrollController.position.maxScrollExtent,
- ),
- );
- }
-
- @override
- void dispose() {
- _focusNode.dispose();
- super.dispose();
- }
+ /// A child widget that will be:
+ /// - Hidden if no file is loaded.
+ /// - Shown as an overlay for a single file editor.
+ /// - Built into the tab bar for a multi-file editor.
+ final Widget? actionsWidget;
@override
Widget build(BuildContext context) {
- final ext = Theme.of(context).extension<BeamThemeExtension>()!;
- final isMultiFile = widget.controller.selectedExample?.isMultiFile ??
false;
- final isEnabled = widget.isEditable && !isMultiFile;
-
- return Semantics(
- container: true,
- enabled: isEnabled,
- label: 'widgets.codeEditor.label',
- multiline: true,
- readOnly: isEnabled,
- textField: true,
- child: FocusScope(
- node: FocusScopeNode(canRequestFocus: isEnabled),
- child: CodeTheme(
- data: ext.codeTheme,
- child: Container(
- color: ext.codeTheme.styles['root']?.backgroundColor,
- child: SingleChildScrollView(
- controller: _scrollController,
- child: CodeField(
- key: ValueKey(widget.controller.codeController),
- controller: widget.controller.codeController,
- enabled: isEnabled,
- focusNode: _focusNode,
- textStyle: ext.codeRootStyle,
- ),
- ),
- ),
- ),
- ),
+ return AnimatedBuilder(
+ animation: controller,
+ builder: (context, child) {
+ final count = controller.fileControllers.length;
Review Comment:
`+`
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