build method

Widget build(BuildContext context, BubbleShowcase bubbleShowcase, int currentSlideIndex, void goToSlide(int),)

Builds the whole slide widget.

Implementation

Widget build(
  BuildContext context,
  BubbleShowcase bubbleShowcase,
  int currentSlideIndex,
  void Function(int) goToSlide,
) {
  Position highlightPosition = getHighlightPosition(
    context,
    bubbleShowcase,
    currentSlideIndex,
  );

  List<Widget> children;

  switch (passthroughMode) {
    case PassthroughMode.NONE:
      children = [
        Positioned.fill(
          child: CustomPaint(
            painter: OverlayPainter(this, highlightPosition),
          ),
        ),
      ];
      break;
    case PassthroughMode.INSIDE_WITH_NOTIFICATION:
      children = [
        Positioned.fill(
          child: ClipPath(
            clipper: OverlayClipper(this, highlightPosition),
            child: Container(
              color: Colors.black54,
            ),
          ),
        ),
      ];
      break;
  }

  // Add BubbleSlide
  if (child?.widget != null) {
    children.add(
      child!.build(
        context,
        highlightPosition,
        MediaQuery.of(context).size,
      ),
    );
  }

  // Add counter text
  int slidesCount = bubbleShowcase.bubbleSlides.length;
  Color writeColor =
      Utils.isColorDark(boxShadow.color) ? Colors.white : Colors.black;
  if (bubbleShowcase.counterText != null) {
    children.add(
      Positioned(
        bottom: 5,
        left: 0,
        right: 0,
        child: Text(
          bubbleShowcase.counterText!
              .replaceAll(':i', (currentSlideIndex + 1).toString())
              .replaceAll(':n', slidesCount.toString()),
          style: Theme.of(context)
              .textTheme
              .bodyText2!
              .copyWith(color: writeColor),
          textAlign: TextAlign.center,
        ),
      ),
    );
  }

  // Add Close button
  if (bubbleShowcase.showCloseButton) {
    children.add(Positioned(
      top: MediaQuery.of(context).padding.top,
      left: 0,
      child: GestureDetector(
        onTap: () => goToSlide(slidesCount),
        child: Icon(
          Icons.close,
          color: writeColor,
        ),
      ),
    ));
  }

  if (passthroughMode == PassthroughMode.INSIDE_WITH_NOTIFICATION) {
    return Stack(
      children: children,
    );
  } else {
    return GestureDetector(
      onTap: () => goToSlide(currentSlideIndex + 1),
      child: Stack(
        children: children,
      ),
    );
  }
}