72 lines
2.1 KiB
Dart
72 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:qhd_prevention/customWidget/custom_button.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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import 'package:qhd_prevention/customWidget/toast_util.dart';
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/// 可复用的地图 WebView 组件
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/// BaiduMapWebView(
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/// controller: _controller,
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/// isLoading: _isLoading,
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/// errorMessage: _errorMessage,
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/// onRetry: _initLocation,
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/// )
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/// ```
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class BaiduMapWebView extends StatelessWidget {
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final WebViewController? controller;
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final bool isLoading;
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final String? errorMessage;
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final VoidCallback onRetry;
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const BaiduMapWebView({
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super.key,
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required this.controller,
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required this.isLoading,
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required this.errorMessage,
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required this.onRetry,
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});
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@override
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Widget build(BuildContext context) {
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if (errorMessage != null) {
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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const Icon(Icons.error_outline, color: Colors.red, size: 50),
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const SizedBox(height: 16),
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Text(
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errorMessage!,
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textAlign: TextAlign.center,
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style: const TextStyle(fontSize: 16),
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),
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const SizedBox(height: 24),
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CustomButton(text: '重试', backgroundColor: Colors.blue, onPressed: onRetry)
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]),
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),
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);
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}
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if (isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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// 非加载且无错误时,controller 应该存在;若为空则显示提示
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if (controller == null) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.map_outlined, size: 48),
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const SizedBox(height: 8),
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const Text('地图未初始化'),
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const SizedBox(height: 12),
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ElevatedButton(onPressed: onRetry, child: const Text('重试初始化')),
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],
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),
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);
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}
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return WebViewWidget(controller: controller!);
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}
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}
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