94 lines
2.1 KiB
Dart
94 lines
2.1 KiB
Dart
// Author: fengshengxiong
|
|
// Date: 2024/5/7
|
|
// Description: 状态视图
|
|
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_screenutil/flutter_screenutil.dart';
|
|
import 'package:tone_snap/data/enum/app_side_enum.dart';
|
|
import 'package:tone_snap/generated/assets.dart';
|
|
import 'package:tone_snap/global/app_config.dart';
|
|
import 'package:tone_snap/res/themes/app_colors.dart';
|
|
|
|
/// 四种视图状态
|
|
enum ViewState { normal, error, loading, empty }
|
|
|
|
class ViewStateWidget extends StatelessWidget {
|
|
const ViewStateWidget({
|
|
super.key,
|
|
required this.viewState,
|
|
required this.child,
|
|
this.cpiBgColor,
|
|
});
|
|
|
|
final ViewState viewState;
|
|
final Widget child;
|
|
final Color? cpiBgColor;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
switch (viewState) {
|
|
case ViewState.normal:
|
|
return child;
|
|
case ViewState.loading:
|
|
return loadingView(backgroundColor: cpiBgColor);
|
|
case ViewState.empty:
|
|
return AppConfig.appSideEnum == AppSideEnum.sideA ? emptyViewA() : emptyViewB();
|
|
case ViewState.error:
|
|
return errorView();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// 加载中视图
|
|
Widget loadingView({
|
|
Color? color,
|
|
Color? backgroundColor,
|
|
}) {
|
|
return Center(
|
|
child: CircularProgressIndicator(
|
|
strokeWidth: 3,
|
|
color: AppConfig.appSideEnum == AppSideEnum.sideA ? color : seedColor,
|
|
backgroundColor: backgroundColor,
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 空视图
|
|
Widget emptyViewA({String? msg, Color? textColor}) {
|
|
return Center(
|
|
child: Text(
|
|
msg ?? 'No data',
|
|
textAlign: TextAlign.center,
|
|
style: TextStyle(
|
|
color: textColor ?? Colors.white,
|
|
fontSize: 15.sp,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 空视图2
|
|
Widget emptyViewB() {
|
|
return Center(
|
|
child: Image.asset(
|
|
Assets.sideBEmpty,
|
|
width: 180.w,
|
|
height: 160.h,
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 错误视图
|
|
Widget errorView({String? msg, Color? textColor}) {
|
|
return Center(
|
|
child: Text(
|
|
msg ?? 'An error occurred, please try again later',
|
|
textAlign: TextAlign.center,
|
|
style: TextStyle(
|
|
color: textColor ?? Colors.white,
|
|
fontSize: 15.sp,
|
|
),
|
|
),
|
|
);
|
|
}
|