ente/lib/ui/common/dynamic_fab.dart

92 lines
2.4 KiB
Dart

// @dart=2.9
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:photos/ente_theme_data.dart';
class DynamicFAB extends StatelessWidget {
final bool isKeypadOpen;
final bool isFormValid;
final String buttonText;
final Function onPressedFunction;
const DynamicFAB({
Key key,
this.isKeypadOpen,
this.buttonText,
this.isFormValid,
this.onPressedFunction,
}) : super(key: key);
@override
Widget build(BuildContext context) {
if (isKeypadOpen) {
return Container(
decoration: BoxDecoration(
boxShadow: [
BoxShadow(
color: Theme.of(context).backgroundColor,
spreadRadius: 200,
blurRadius: 100,
offset: const Offset(0, 230),
)
],
),
width: double.infinity,
child: Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FloatingActionButton(
heroTag: 'FAB',
backgroundColor:
Theme.of(context).colorScheme.dynamicFABBackgroundColor,
foregroundColor:
Theme.of(context).colorScheme.dynamicFABTextColor,
onPressed: isFormValid
? onPressedFunction
: () {
FocusScope.of(context).unfocus();
},
child: Transform.rotate(
angle: isFormValid ? 0 : math.pi / 2,
child: const Icon(
Icons.chevron_right,
size: 36,
),
), //keypad down here
),
],
),
);
} else {
return Container(
width: double.infinity,
height: 56,
padding: const EdgeInsets.symmetric(horizontal: 20),
child: OutlinedButton(
onPressed: isFormValid ? onPressedFunction : null,
child: Text(buttonText),
),
);
}
}
}
class NoScalingAnimation extends FloatingActionButtonAnimator {
@override
Offset getOffset({Offset begin, Offset end, double progress}) {
return end;
}
@override
Animation<double> getRotationAnimation({Animation<double> parent}) {
return Tween<double>(begin: 1.0, end: 1.0).animate(parent);
}
@override
Animation<double> getScaleAnimation({Animation<double> parent}) {
return Tween<double>(begin: 1.0, end: 1.0).animate(parent);
}
}