openDialog method

Future openDialog({ TransitionDialog? transition, String? title, String? content, String? cancel, String? next, List<Widget>? actions, VoidCallback? onCancel, VoidCallback? onNext, })

open dialog with just lines of code dialog take a few optional params and TransitionDialog type

Implementation

Future openDialog(
    {TransitionDialog? transition,
    String? title,
    String? content,
    String? cancel,
    String? next,
    List<Widget>? actions,
    VoidCallback? onCancel,
    VoidCallback? onNext}) async {
  switch (transition) {
    case TransitionDialog.rotate:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionBuilder: (ctx, a1, a2, child) {
          return Transform.rotate(
            angle: math.radians(a1.value * 360),
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
        transitionDuration: const Duration(milliseconds: 400),
      );
    case TransitionDialog.scale:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionBuilder: (ctx, a1, a2, child) {
          var curve = Curves.easeInOut.transform(a1.value);
          return Transform.scale(
            scale: curve,
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
        transitionDuration: const Duration(milliseconds: 400),
      );
    case TransitionDialog.right:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionDuration: const Duration(milliseconds: 400),
        transitionBuilder: (ctx, a1, a2, child) {
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: Curves.bounceIn)).animate(a1),
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
      );
    case TransitionDialog.left:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionDuration: const Duration(milliseconds: 400),
        transitionBuilder: (ctx, a1, a2, child) {
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(-1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: Curves.bounceIn)).animate(a1),
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
      );

    case TransitionDialog.downToUp:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionDuration: const Duration(milliseconds: 400),
        transitionBuilder: (ctx, a1, a2, child) {
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(0.0, 1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: Curves.bounceIn)).animate(a1),
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
      );
    case TransitionDialog.topToDown:
      return showGeneralDialog<void>(
        context: this,
        pageBuilder: (ctx, a1, a2) {
          return Container();
        },
        transitionDuration: const Duration(milliseconds: 400),
        transitionBuilder: (ctx, a1, a2, child) {
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(0.0, -1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: Curves.bounceIn)).animate(a1),
            child: _dialog(ctx,
                title: title,
                content: content,
                cancel: cancel,
                next: next,
                actions: actions,
                onCancel: onCancel,
                onNext: onNext),
          );
        },
      );

    default:
      return showDialog<void>(
        context: this,
        barrierDismissible: false, // user must tap button!
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text(title ?? 'AlertDialog Title'),
            content: Text(content ?? "Simple Dialog content"),
            actions: <Widget>[
              TextButton(
                onPressed: onCancel ?? () => back(),
                child: Text(cancel ?? 'cancel'),
              ),
              TextButton(
                onPressed: onNext ?? () => back(),
                child: Text(next ?? 'Approve'),
              ),
            ],
          );
        },
      );
  }
}