dialogAnimatedWrapperWidget function

Widget dialogAnimatedWrapperWidget({ required Animation<double> animation, required Widget child, required DialogAnimation dialogAnimation, required Curve curve, })

Widget wrapper for animated dialog transitions.

Implementation

Widget dialogAnimatedWrapperWidget({
  required Animation<double> animation,
  required Widget child,
  required DialogAnimation dialogAnimation,
  required Curve curve,
}) {
  switch (dialogAnimation) {
    // Animation for rotating the dialog.
    case DialogAnimation.ROTATE:
      return Transform.rotate(
        angle: radians(animation.value * 360),
        child: Opacity(
          opacity: animation.value,
          child: FadeTransition(opacity: animation, child: child),
        ),
      );

    // Animation for sliding the dialog from top to bottom.
    case DialogAnimation.SLIDE_TOP_BOTTOM:
      final curvedValue = curve.transform(animation.value) - 1.0;

      return Transform(
        transform: Matrix4.translationValues(0.0, curvedValue * 300, 0.0),
        child: Opacity(
          opacity: animation.value,
          child: FadeTransition(opacity: animation, child: child),
        ),
      );

    // Animation for scaling the dialog.
    case DialogAnimation.SCALE:
      return Transform.scale(
        scale: animation.value,
        child: FadeTransition(opacity: animation, child: child),
      );

    // Animation for sliding the dialog from bottom to top.
    case DialogAnimation.SLIDE_BOTTOM_TOP:
      return SlideTransition(
        position: Tween(begin: Offset(0, 1), end: Offset.zero)
            .chain(CurveTween(curve: curve))
            .animate(animation),
        child: Opacity(
          opacity: animation.value,
          child: FadeTransition(opacity: animation, child: child),
        ),
      );

    // Animation for sliding the dialog from left to right.
    case DialogAnimation.SLIDE_LEFT_RIGHT:
      return SlideTransition(
        position: Tween(begin: Offset(1.0, 0.0), end: Offset.zero)
            .chain(CurveTween(curve: curve))
            .animate(animation),
        child: Opacity(
          opacity: animation.value,
          child: FadeTransition(opacity: animation, child: child),
        ),
      );

    // Animation for sliding the dialog from right to left.
    case DialogAnimation.SLIDE_RIGHT_LEFT:
      return SlideTransition(
        position: Tween(begin: Offset(-1, 0), end: Offset.zero)
            .chain(CurveTween(curve: curve))
            .animate(animation),
        child: Opacity(
          opacity: animation.value,
          child: FadeTransition(opacity: animation, child: child),
        ),
      );

    // Default fade animation.
    case DialogAnimation.DEFAULT:
      return FadeTransition(opacity: animation, child: child);
  }
}