Flummi
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51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:f0ckapp/controller/media_controller.dart';
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enum PageTransition { opacity, scale, slide, rotate, flip }
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Widget buildAnimatedTransition({
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required BuildContext context,
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required Widget child,
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required PageController pageController,
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required int index,
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required MediaController controller,
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}) {
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final double value = pageController.position.haveDimensions
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? pageController.page! - index
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: 0;
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switch (controller.transitionType.value) {
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case PageTransition.opacity:
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return Opacity(
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opacity: Curves.easeOut.transform(1 - value.abs().clamp(0.0, 40.0)),
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child: Transform(transform: Matrix4.identity(), child: child),
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);
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case PageTransition.scale:
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return Transform.scale(
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scale:
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0.8 +
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Curves.easeOut.transform(1 - value.abs().clamp(0.0, 1.0)) * 0.2,
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child: child,
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);
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case PageTransition.slide:
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return Transform.translate(
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offset: Offset(300 * value.abs(), 0),
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child: child,
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);
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case PageTransition.rotate:
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return Opacity(
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opacity: (1 - value.abs()).clamp(0.0, 1.0),
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child: Transform.rotate(angle: value.abs() * 0.5, child: child),
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);
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case PageTransition.flip:
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return Transform(
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transform: Matrix4.identity()
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..setEntry(3, 2, 0.001)
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..rotateY(value.abs()),
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alignment: Alignment.center,
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child: child,
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);
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}
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}
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