marco.pms.mobileapp/lib/helpers/widgets/my_loading_component.dart

106 lines
2.4 KiB
Dart

import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:loading_animation_widget/loading_animation_widget.dart';
import 'package:marco/images.dart';
class LoadingComponent extends StatelessWidget {
final bool isLoading;
final Widget child;
final Color overlayColor;
final double overlayOpacity;
final double imageSize;
final bool showDots;
final String loadingText;
const LoadingComponent({
Key? key,
required this.isLoading,
required this.child,
this.overlayColor = Colors.black,
this.overlayOpacity = 0.2,
this.imageSize = 100,
this.showDots = true,
this.loadingText = 'Loading...',
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Stack(
children: [
child,
if (isLoading) _buildLoadingOverlay(),
],
);
}
Widget _buildLoadingOverlay() {
return Positioned.fill(
child: Semantics(
label: 'Loading...',
child: Stack(
children: [
BackdropFilter(
filter: ImageFilter.blur(sigmaX: 5.0, sigmaY: 5.0),
child: Container(
color: overlayColor.withOpacity(overlayOpacity),
),
),
Center(
child: _LoadingAnimation(
imageSize: imageSize,
showDots: showDots,
loadingText: loadingText,
),
),
],
),
),
);
}
}
class _LoadingAnimation extends StatelessWidget {
final double imageSize;
final bool showDots;
final String loadingText;
const _LoadingAnimation({
Key? key,
required this.imageSize,
required this.showDots,
required this.loadingText,
}) : super(key: key);
static const _textStyle = TextStyle(
fontSize: 12,
color: Colors.white,
);
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
children: [
Image.asset(
Images.loadingLogo,
height: imageSize,
width: imageSize,
fit: BoxFit.contain,
),
const SizedBox(height: 8),
Text(
loadingText,
style: _textStyle,
textAlign: TextAlign.center,
),
const SizedBox(height: 4),
if (showDots)
LoadingAnimationWidget.waveDots(
color: const Color(0xFFEF0000),
size: 50,
),
],
);
}
}