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130 lines
4.8 KiB
Dart
130 lines
4.8 KiB
Dart
import 'package:diplomaticquarterapp/core/viewModels/project_view_model.dart';
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import 'package:diplomaticquarterapp/services/permission/permission_service.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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/// Button widget
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/// [label] button label
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/// [icon] button icon its optional
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/// [onTap] button function
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/// [loading] show the progress indicator
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/// [elevation] color elevation value
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class Button extends StatefulWidget {
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Button({Key? key, this.label= "", this.icon, this.onTap, this.backgroundColor, this.loading= false, this.elevation= true, this.disabled = false}) : super(key: key);
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final String label;
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final Widget? icon;
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final VoidCallback? onTap;
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final bool loading;
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final bool elevation;
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final Color? backgroundColor;
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final bool disabled;
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@override
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_ButtonState createState() => _ButtonState();
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}
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class _ButtonState extends State<Button> with TickerProviderStateMixin {
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double _buttonSize = 1.0;
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AnimationController? _animationController;
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Animation? _animation;
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PermissionService permission = new PermissionService();
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@override
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void initState() {
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_animationController = AnimationController(vsync: this, lowerBound: 0.7, upperBound: 1.0, duration: Duration(milliseconds: 120));
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_animation = CurvedAnimation(parent: _animationController!, curve: Curves.easeOutQuad, reverseCurve: Curves.easeOutQuad);
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_animation!.addListener!(() {
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setState(() {
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_buttonSize = _animation!.value!;
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});
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});
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super.initState();
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}
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@override
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void dispose() {
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_animationController!.dispose();
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super.dispose();
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}
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Widget _buildIcon() {
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if (widget.icon != null && (widget.label != null && widget.label != "")) {
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return Container(margin: EdgeInsets.only(right: 12.0), height: 24.0, child: widget.icon);
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} else if (widget.icon != null) {
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return Container(
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height: 18.0,
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width: 18.0,
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child: widget.icon,
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);
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} else {
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return Container();
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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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ProjectViewModel projectViewModel = Provider.of(context);
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return IgnorePointer(
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ignoring: widget.disabled,
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child: GestureDetector(
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onTapDown: (TapDownDetails tap) {
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_animationController!.reverse(from: 1.0);
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},
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onTapUp: (TapUpDetails tap) {
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_animationController!.forward();
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},
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onTapCancel: () {
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_animationController!.forward();
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},
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onTap: () => {
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widget.disabled ? null : widget.onTap!(),
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},
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behavior: HitTestBehavior.opaque,
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child: Transform.scale(
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scale: _buttonSize,
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child: AnimatedContainer(
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duration: Duration(milliseconds: 150),
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margin: EdgeInsets.only(bottom: widget.label.isNotEmpty ? 14.0 : 0.0),
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padding: EdgeInsets.symmetric(vertical: widget.label != null && widget.label.isNotEmpty ? 12.0 : 12.0, horizontal: widget.label != null && widget.label.isNotEmpty ? 22.0 : 19),
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decoration: BoxDecoration(borderRadius: BorderRadius.all(Radius.circular(10.0)), color: widget.backgroundColor ?? Theme.of(context).primaryColor, boxShadow: [
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BoxShadow(color: Color.fromRGBO(120, 71, 80, widget.elevation ? 0.28 : 0.0), spreadRadius: _buttonSize < 1.0 ? -(1 - _buttonSize) * 50 : 0.0, offset: Offset(0, 7.0), blurRadius: 24.0)
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]),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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_buildIcon(),
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widget.loading
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? Padding(
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padding: const EdgeInsets.all(2.7),
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child: SizedBox(
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height: 19.0,
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width: 19.0,
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child: CircularProgressIndicator(
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backgroundColor: Colors.white,
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valueColor: AlwaysStoppedAnimation<Color>(
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Colors.grey[300]!,
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),
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),
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),
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)
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: Padding(
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padding: EdgeInsets.only(bottom: 3.0),
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child: Text(widget.label,
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style: TextStyle(
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color: Colors.white,
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fontSize: 16.0,
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fontWeight: FontWeight.w700,
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letterSpacing: -0.48,
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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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