145 lines
3.6 KiB
Dart
145 lines
3.6 KiB
Dart
// Author: fengshengxiong
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// Date: 2024/5/7
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// Description: 状态视图
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import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:tone_snap/data/enum/app_side_enum.dart';
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import 'package:tone_snap/generated/assets.dart';
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import 'package:tone_snap/global/app_config.dart';
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import 'package:tone_snap/res/themes/app_colors.dart';
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/// 四种视图状态
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enum ViewState { normal, error, loading, empty }
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class ViewStateWidget extends StatelessWidget {
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const ViewStateWidget({
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super.key,
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required this.viewState,
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required this.child,
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this.loadColor,
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this.loadBgColor,
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this.showTryAgain = false,
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this.onTapTryAgain,
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});
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final ViewState viewState;
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final Widget child;
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final Color? loadColor;
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final Color? loadBgColor;
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final bool showTryAgain;
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final Function()? onTapTryAgain;
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@override
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Widget build(BuildContext context) {
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switch (viewState) {
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case ViewState.normal:
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return child;
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case ViewState.loading:
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return loadingView(loadColor: loadColor, loadBgColor: loadBgColor);
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case ViewState.empty:
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return AppConfig.appSideEnum == AppSideEnum.sideA ? emptyViewA() : emptyViewB(
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showTryAgain: showTryAgain,
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onTapTryAgain: onTapTryAgain,
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);
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case ViewState.error:
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return errorView();
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}
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}
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}
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/// 加载中视图
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Widget loadingView({
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Color? loadColor,
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Color? loadBgColor,
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}) {
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return Center(
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child: CircularProgressIndicator(
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strokeWidth: 2.w,
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color: AppConfig.appSideEnum == AppSideEnum.sideB ? loadColor ?? seedColor : loadColor,
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backgroundColor: loadBgColor,
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),
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);
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}
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/// 空视图A
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Widget emptyViewA({String? msg, Color? textColor}) {
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return Center(
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child: Text(
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msg ?? 'No data',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: textColor ?? Colors.white,
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fontSize: 15.sp,
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),
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),
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);
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}
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/// 空视图B
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Widget emptyViewB({
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required bool showTryAgain,
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Function()? onTapTryAgain,
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}) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Image.asset(
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Assets.sideBEmpty,
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width: 180.w,
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height: 120.h,
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),
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if (showTryAgain) ...[
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Text(
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'An error occurred\nSorry, please try again later',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: const Color(0x73FFFFFF),
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fontSize: 14.sp,
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),
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),
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SizedBox(height: 10.h),
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GestureDetector(
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onTap: onTapTryAgain,
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child: Container(
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width: 122.w,
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height: 35.h,
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alignment: Alignment.center,
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decoration: BoxDecoration(
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border: Border.all(
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width: 1.w,
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color: seedColor,
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),
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borderRadius: BorderRadius.circular(40).r,
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),
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child: Text(
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'Try again',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: seedColor,
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fontSize: 16.sp,
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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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),
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);
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}
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/// 错误视图
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Widget errorView({String? msg, Color? textColor}) {
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return Center(
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child: Text(
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msg ?? 'An error occurred, please try again later',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: textColor ?? Colors.white,
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fontSize: 15.sp,
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),
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),
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);
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}
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