113 lines
3.4 KiB
Dart
113 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
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/// 处理状态指示器组件
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class ProcessingIndicator extends StatelessWidget {
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/// 进度值（0.0-1.0）
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final double progress;
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/// 取消操作回调
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final VoidCallback? onCancel;
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const ProcessingIndicator({
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Key? key,
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this.progress = 0.0,
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this.onCancel,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final showProgress = progress > 0 && progress < 1.0;
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return Container(
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margin: const EdgeInsets.symmetric(vertical: 16),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: theme.colorScheme.primaryContainer.withOpacity(0.2),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: theme.colorScheme.primary.withOpacity(0.3),
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),
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),
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child: Column(
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children: [
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// 标题和进度指示
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Row(
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children: [
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const SizedBox(
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width: 24,
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height: 24,
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child: CircularProgressIndicator(
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strokeWidth: 3,
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'正在优化提示词模板...',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.primary,
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),
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),
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const SizedBox(height: 4),
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Text(
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_getStatusMessage(progress),
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style: TextStyle(
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fontSize: 13,
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color: theme.colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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),
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if (onCancel != null)
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TextButton.icon(
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icon: const Icon(Icons.cancel, size: 16),
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label: const Text('取消'),
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onPressed: onCancel,
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),
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],
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),
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// 进度条
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if (showProgress) ...[
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const SizedBox(height: 16),
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LinearProgressIndicator(
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value: progress,
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backgroundColor: theme.colorScheme.surfaceVariant,
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valueColor: AlwaysStoppedAnimation<Color>(theme.colorScheme.primary),
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),
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const SizedBox(height: 8),
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Text(
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'${(progress * 100).toInt()}%',
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style: TextStyle(
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fontSize: 12,
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color: theme.colorScheme.onSurfaceVariant,
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),
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textAlign: TextAlign.center,
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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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/// 获取状态消息
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String _getStatusMessage(double progress) {
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if (progress < 0.1) {
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return '正在分析提示词内容...';
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} else if (progress < 0.4) {
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return '生成优化建议中...';
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} else if (progress < 0.7) {
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return '应用语言模型增强中...';
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} else if (progress < 0.9) {
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return '润色和格式化内容...';
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} else {
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return '优化即将完成...';
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}
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}
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} |