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232 lines
6.0 KiB
232 lines
6.0 KiB
// import 'dart:math' as math;
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// import 'package:flutter/material.dart';
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// @immutable
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// class ExpandableFab extends StatefulWidget {
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// const ExpandableFab({
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// super.key,
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// this.initialOpen,
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// required this.distance,
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// required this.children,
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// });
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// final bool? initialOpen;
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// final double distance;
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// final List<Widget> children;
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// @override
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// _ExpandableFabState createState() => _ExpandableFabState();
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// }
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// class _ExpandableFabState extends State<ExpandableFab>
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// with SingleTickerProviderStateMixin {
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// late final AnimationController _controller;
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// late final Animation<double> _expandAnimation;
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// bool _open = false;
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// @override
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// void initState() {
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// super.initState();
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// _open = widget.initialOpen ?? false;
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// _controller = AnimationController(
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// value: _open ? 1.0 : 0.0,
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// duration: const Duration(milliseconds: 250),
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// vsync: this,
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// );
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// _expandAnimation = CurvedAnimation(
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// curve: Curves.fastOutSlowIn,
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// reverseCurve: Curves.easeOutQuad,
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// parent: _controller,
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// );
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// }
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// @override
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// void dispose() {
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// _controller.dispose();
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// super.dispose();
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// }
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// void _toggle() {
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// setState(() {
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// _open = !_open;
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// if (_open) {
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// _controller.forward();
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// } else {
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// _controller.reverse();
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// }
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// });
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// }
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// @override
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// Widget build(BuildContext context) {
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// return SizedBox.expand(
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// child: Stack(
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// alignment: Alignment.bottomRight,
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// clipBehavior: Clip.none,
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// children: [
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// _buildTapToCloseFab(),
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// ..._buildExpandingActionButtons(),
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// _buildTapToOpenFab(),
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// ],
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// ),
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// );
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// }
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// Widget _buildTapToCloseFab() {
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// return SizedBox(
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// width: 56.0,
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// height: 56.0,
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// child: Center(
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// child: Material(
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// shape: const CircleBorder(),
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// clipBehavior: Clip.antiAlias,
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// elevation: 4.0,
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// child: InkWell(
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// onTap: _toggle,
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// child: Padding(
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// padding: const EdgeInsets.all(8.0),
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// child: Icon(
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// Icons.close,
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// color: Theme.of(context).primaryColor,
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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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// List<Widget> _buildExpandingActionButtons() {
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// final children = <Widget>[];
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// final count = widget.children.length;
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// final step = 90.0 / (count - 1);
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// for (var i = 0, angleInDegrees = 0.0;
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// i < count;
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// i++, angleInDegrees += step) {
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// children.add(
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// _ExpandingActionButton(
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// directionInDegrees: angleInDegrees,
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// maxDistance: widget.distance,
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// progress: _expandAnimation,
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// child: widget.children[i],
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// ),
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// );
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// }
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// return children;
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// }
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// Widget _buildTapToOpenFab() {
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// return IgnorePointer(
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// ignoring: _open,
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// child: AnimatedContainer(
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// transformAlignment: Alignment.center,
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// transform: Matrix4.diagonal3Values(
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// _open ? 0.7 : 1.0,
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// _open ? 0.7 : 1.0,
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// 1.0,
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// ),
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// duration: const Duration(milliseconds: 250),
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// curve: const Interval(0.0, 0.5, curve: Curves.easeOut),
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// child: AnimatedOpacity(
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// opacity: _open ? 0.0 : 1.0,
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// curve: const Interval(0.25, 1.0, curve: Curves.easeInOut),
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// duration: const Duration(milliseconds: 250),
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// child: FloatingActionButton(
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// onPressed: _toggle,
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// child: const Icon(Icons.create),
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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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// @immutable
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// class _ExpandingActionButton extends StatelessWidget {
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// const _ExpandingActionButton({
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// required this.directionInDegrees,
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// required this.maxDistance,
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// required this.progress,
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// required this.child,
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// });
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// final double directionInDegrees;
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// final double maxDistance;
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// final Animation<double> progress;
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// final Widget child;
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// @override
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// Widget build(BuildContext context) {
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// return AnimatedBuilder(
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// animation: progress,
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// builder: (context, child) {
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// final offset = Offset.fromDirection(
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// directionInDegrees * (math.pi / 180.0),
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// progress.value * maxDistance,
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// );
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// return Positioned(
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// right: 4.0 + offset.dx,
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// bottom: 4.0 + offset.dy,
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// child: Transform.rotate(
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// angle: (1.0 - progress.value) * math.pi / 2,
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// child: child!,
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// ),
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// );
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// },
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// child: FadeTransition(
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// opacity: progress,
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// child: child,
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// ),
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// );
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// }
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// }
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// @immutable
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// class ActionButton extends StatelessWidget {
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// const ActionButton({
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// super.key,
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// this.onPressed,
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// required this.icon,
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// });
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// final VoidCallback? onPressed;
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// final Widget icon;
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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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// return Material(
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// shape: const CircleBorder(),
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// clipBehavior: Clip.antiAlias,
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// color: theme.colorScheme.secondary,
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// elevation: 4.0,
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// child: IconButton(
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// onPressed: onPressed,
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// icon: icon,
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// color: theme.colorScheme.secondary,
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// ),
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// );
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// }
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// }
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// @immutable
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// class FakeItem extends StatelessWidget {
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// const FakeItem({
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// super.key,
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// required this.isBig,
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// });
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// final bool isBig;
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// @override
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// Widget build(BuildContext context) {
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// return Container(
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// margin: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 24.0),
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// height: isBig ? 128.0 : 36.0,
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// decoration: BoxDecoration(
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// borderRadius: const BorderRadius.all(Radius.circular(8.0)),
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// color: Colors.grey.shade300,
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// ),
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// );
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// }
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// }
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