马良AI写作初始化仓库

2025-09-10 00:07:52 +08:00
parent 3c06bb1a03
commit 39c0f8840f
1309 changed files with 318528 additions and 0 deletions
--- a/AINoval/lib/components/editable_title.dart
+++ b/AINoval/lib/components/editable_title.dart
@@ -0,0 +1,127 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+
+class Debouncer {
+
+  Debouncer({this.delay = const Duration(milliseconds: 500)});
+  Timer? _timer;
+  final Duration delay;
+
+  void run(Function() action) {
+    _timer?.cancel();
+    _timer = Timer(delay, action);
+  }
+
+  void dispose() {
+    _timer?.cancel();
+  }
+}
+
+class EditableTitle extends StatefulWidget {
+
+  const EditableTitle({
+    Key? key,
+    required this.initialText,
+    this.onChanged,
+    this.onSubmitted,
+    this.commitOnBlur = true,
+    this.style,
+    this.textAlign = TextAlign.left,
+    this.autofocus = false,
+  }) : super(key: key);
+  final String initialText;
+  // 可选：仅用于本地UI联动（不做持久化）
+  final Function(String)? onChanged;
+  // 提交时回调：回车或失焦触发
+  final Function(String)? onSubmitted;
+  // 失焦时是否提交
+  final bool commitOnBlur;
+  final TextStyle? style;
+  final TextAlign textAlign;
+  final bool autofocus;
+
+  @override
+  State<EditableTitle> createState() => _EditableTitleState();
+}
+
+class _EditableTitleState extends State<EditableTitle> {
+  late TextEditingController _controller;
+  late Debouncer _debouncer;
+  late FocusNode _focusNode;
+  String _lastCommittedText = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = TextEditingController(text: widget.initialText);
+    _debouncer = Debouncer();
+    _focusNode = FocusNode();
+    _lastCommittedText = widget.initialText;
+
+    _focusNode.addListener(() {
+      if (!_focusNode.hasFocus && widget.commitOnBlur) {
+        _commitIfChanged();
+      }
+    });
+  }
+
+  @override
+  void didUpdateWidget(EditableTitle oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.initialText != widget.initialText) {
+      _controller.text = widget.initialText;
+      // 外部更新时同步已提交文本基线
+      _lastCommittedText = widget.initialText;
+    }
+  }
+
+  @override
+  void dispose() {
+    _debouncer.dispose();
+    _controller.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  void _commitIfChanged() {
+    final current = _controller.text;
+    if (current != _lastCommittedText) {
+      _lastCommittedText = current;
+      if (widget.onSubmitted != null) {
+        widget.onSubmitted!(current);
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      color: Colors.transparent,
+      child: TextField(
+        controller: _controller,
+        focusNode: _focusNode,
+        style: widget.style,
+        decoration: const InputDecoration(
+          border: InputBorder.none,
+          contentPadding: EdgeInsets.zero,
+          isDense: true,
+        ),
+        textAlign: widget.textAlign,
+        autofocus: widget.autofocus,
+        // onChanged 仅用于本地UI联动（不持久化）
+        onChanged: (value) {
+          if (widget.onChanged != null) {
+            _debouncer.run(() {
+              widget.onChanged!(value);
+            });
+          }
+        },
+        // 按下回车时提交
+        onSubmitted: (_) {
+          _commitIfChanged();
+        },
+      ),
+    );
+  }
+}