public override Widget build(BuildContext context)
{
var attachmentUrLs = this.game.attachmentURLs;
if (attachmentUrLs.isNullOrEmpty())
{
return(new Container());
}
Widget swiperContent;
if (attachmentUrLs.Count == 1)
{
var imageUrl = attachmentUrLs.FirstOrDefault();
swiperContent = new GestureDetector(
onTap: () => { },
child: new PlaceholderImage(
imageUrl: imageUrl,
fit: BoxFit.fill,
useCachedNetworkImage: true,
color: CColorUtils.GetSpecificDarkColorFromId(id: imageUrl)
)
);
}
else
{
swiperContent = new Swiper.Swiper(
(cxt, index) => {
var imageUrl = attachmentUrLs[index: index];
return(new PlaceholderImage(
CImageUtils.SizeToScreenImageUrl(imageUrl: imageUrl),
fit: BoxFit.fill,
useCachedNetworkImage: true,
color: CColorUtils.GetSpecificDarkColorFromId(id: imageUrl)
));
},
itemCount: attachmentUrLs.Count,
autoplay: true,
onTap: index => { },
pagination: new SwiperPagination(margin: EdgeInsets.only(bottom: 5))
);
}
return(new Container(
child: new AspectRatio(
aspectRatio: 16 / 9f,
child: swiperContent
)
));
}
public override void didUpdateWidget(StatefulWidget _oldWidget)
{
Swiper oldWidget = _oldWidget as Swiper;
base.didUpdateWidget(oldWidget);
if (this._isPageViewLayout())
{
if (this._pageController == null ||
(this.widget.index != oldWidget.index || this.widget.loop != oldWidget.loop ||
this.widget.itemCount != oldWidget.itemCount ||
this.widget.viewportFraction != oldWidget.viewportFraction ||
this._getReverse(this.widget) != this._getReverse(oldWidget)))
{
this._pageController = new TransformerPageController(
initialPage: this.widget.index,
loop: this.widget.loop,
itemCount: this.widget.itemCount,
reverse: this._getReverse(this.widget),
viewportFraction: this.widget.viewportFraction);
}
}
else
{
Window.instance.scheduleMicrotask(() => {
if (this._pageController != null)
{
this._pageController.dispose();
this._pageController = null;
}
});
}
if (this.widget.index != null && this.widget.index != this._activeIndex)
{
this._activeIndex = this.widget.index.Value;
}
}
bool _getReverse(Swiper widget)
{
return(widget.transformer == null ? false : widget.transformer.reverse);
}
