108 lines
2.6 KiB
Dart
108 lines
2.6 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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// ignore: must_be_immutable
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class SCLkTapWidget extends StatefulWidget {
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final Widget? child;
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final Function? onTap;
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Color highlightColor;
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final Duration? duration;
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final BorderRadius? borderRadius;
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SCLkTapWidget(
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{Key? key,
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this.child,
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this.onTap,
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this.highlightColor = Colors.black12,
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this.duration, this.borderRadius})
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: super(key: key);
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@override
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TapWidgetState createState() {
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return new TapWidgetState();
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}
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}
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class TapWidgetState extends State<SCLkTapWidget>
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with SingleTickerProviderStateMixin {
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late AnimationController _ctl;
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late Animation<Color> _colorAnimation;
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Duration? _duration;
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bool get onTapEnable => widget.onTap != null;
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@override
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void initState() {
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super.initState();
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_duration = widget.duration;
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if (_duration == null) {
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_duration = Duration(milliseconds: 1);
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}
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_ctl = AnimationController(vsync: this, duration: _duration);
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widget.highlightColor??=Colors.black12;
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_colorAnimation = Tween<Color>(
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begin: widget.highlightColor.withOpacity(0.0),
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end: widget.highlightColor,
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).animate(_ctl);
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}
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@override
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void dispose() {
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_ctl.stop();
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_ctl.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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behavior: HitTestBehavior.opaque,
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child: AnimatedBuilder(
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animation: _ctl,
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builder: (BuildContext context, Widget? child) {
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return Container(
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foregroundDecoration: BoxDecoration(
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color: _colorAnimation.value,
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borderRadius: widget.borderRadius
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),
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child: widget.child,
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);
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},
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),
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onTap: (){
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if(widget.onTap!=null){
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widget.onTap!();
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}
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},
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onTapDown: (d) {
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if (onTapEnable) _ctl.forward();
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},
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onTapUp: (d) {
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if (onTapEnable) prepareToIdle();
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},
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onTapCancel: (){
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if (onTapEnable) prepareToIdle();
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},
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);
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}
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void prepareToIdle() {
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late AnimationStatusListener listener;
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listener = (AnimationStatus statue) {
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if (statue == AnimationStatus.completed) {
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_ctl.removeStatusListener(listener);
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toStart();
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}
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};
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_ctl.addStatusListener(listener);
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if (!_ctl.isAnimating) {
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_ctl.removeStatusListener(listener);
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toStart();
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}
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}
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void toStart() {
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_ctl.stop();
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_ctl.reverse();
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}
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} |