public PageIndicator(
Key key = null,
float size = 20.0f,
float space = 5.0f,
int?count = null,
float activeSize = 20.0f,
PageController controller = null,
Color color = null,
PageIndicatorLayout layout = PageIndicatorLayout.slide,
Color activeColor = null,
float scale = 0.6f,
float dropHeight = 20.0f
) : base(key: key)
{
D.assert(count != null);
D.assert(controller != null);
this.size = size;
this.space = space;
this.count = count.Value;
this.activeSize = activeSize;
this.controller = controller;
this.color = color ?? new Color(0x4DFFFFFF);
this.layout = layout;
this.activeColor = activeColor ?? CColors.White;
this.scale = scale;
this.dropHeight = dropHeight;
}
public PageIndicator(
PageController controller,
int count,
Color color = null,
Color activeColor = null,
float size = 20.0f,
Key key = null,
float space = 5.0f,
float activeSize = 20.0f,
PageIndicatorLayout layout = PageIndicatorLayout.SLIDE,
float scale = 0.6f,
float dropHeight = 20.0f) : base(key: key)
{
D.assert(controller != null);
this.space = space;
this.size = size;
this.count = count;
this.activeColor = activeColor ?? Colors.red;
this.activeSize = activeSize;
this.controller = controller;
this.color = color ?? Colors.white30;
this.layout = layout;
this.scale = scale;
this.dropHeight = dropHeight;
}
public SwiperPluginConfig(
int activeIndex,
int itemCount,
PageIndicatorLayout indicatorLayout,
bool outer,
Axis scrollDirection,
SwiperController controller,
PageController pageController,
SwiperLayout layout,
bool loop)
{
D.assert(scrollDirection != null);
D.assert(controller != null);
this.activeIndex = activeIndex;
this.itemCount = itemCount;
this.indicatorLayout = indicatorLayout;
this.outer = outer;
this.scrollDirection = scrollDirection;
this.controller = controller;
this.pageController = pageController;
this.layout = layout;
this.loop = loop;
}
public static Swiper Children(
Key key,
IndexedWidgetBuilder itemBuilder,
PageTransformer transformer,
int itemCount,
ValueChanged <int> onIndexChanged,
int index,
SwiperOnTap onTap,
List <SwiperPlugin> plugins,
SwiperPlugin control,
ScrollPhysics physics,
SwiperController controller,
SwiperPlugin pagination,
CustomLayoutOption customLayoutOption,
List <Widget> children,
/// since v1.0.0
float containerHeight,
float containerWidth,
float itemHeight,
float itemWidth,
float scale,
float fade,
///
Curve curve,
float viewportFraction = 1.0f,
bool autoplay = false,
bool loop = true,
Axis scrollDirection = Axis.horizontal,
SwiperLayout layout = SwiperLayout.DEFAULT,
int autoplayDelay = kDefaultAutoplayDelayMs,
bool autoplayDisableOnInteraction = true,
int duration = kDefaultAutoplayTransactionDuration,
bool outer = false,
PageIndicatorLayout indicatorLayout = PageIndicatorLayout.NONE,
bool reverse = false
)
{
D.assert(children != null, () => "children must not be null");
return(new Swiper(
transformer: transformer,
customLayoutOption: customLayoutOption,
containerHeight: containerHeight,
containerWidth: containerWidth,
viewportFraction: viewportFraction,
itemHeight: itemHeight,
itemWidth: itemWidth,
outer: outer,
scale: scale,
fade: fade,
autoplay: autoplay,
autoplayDelay: autoplayDelay,
autoplayDisableOnInteraction: autoplayDisableOnInteraction,
duration: duration,
onIndexChanged: onIndexChanged,
index: index,
onTap: onTap,
curve: curve ?? Curves.ease,
scrollDirection: scrollDirection,
pagination: pagination,
control: control,
controller: controller,
loop: loop,
plugins: plugins,
physics: physics,
key: key,
itemBuilder: (BuildContext context, int ind) =>
{
return children[ind];
},
itemCount: children.Count));
}
public Swiper(
IndexedWidgetBuilder itemBuilder,
int itemCount,
SwiperPlugin pagination,
SwiperPlugin control,
/// since v1.0.0
float containerHeight,
float containerWidth,
float itemHeight,
float itemWidth,
float scale = 1,
float fade = 1,
CustomLayoutOption customLayoutOption = null,
SwiperController controller = null,
PageTransformer transformer = null,
int index = 0,
List <SwiperPlugin> plugins = null,
ValueChanged <int> onIndexChanged = null,
ScrollPhysics physics = null,
///
SwiperOnTap onTap = null,
Curve curve = null,
Key key = null,
float viewportFraction = 1.0f,
bool autoplay = false,
bool loop = true,
Axis scrollDirection = Axis.horizontal,
SwiperLayout layout = SwiperLayout.DEFAULT,
int autoplayDelay = kDefaultAutoplayDelayMs,
bool autoplayDisableOnInteraction = true,
int duration = kDefaultAutoplayTransactionDuration,
bool outer = false,
PageIndicatorLayout indicatorLayout = PageIndicatorLayout.NONE
) :
base(key: key)
{
D.assert(itemBuilder != null || transformer != null, () => { return("itemBuilder and transformItemBuilder must not be both null"); });
D.assert(
!loop ||
((loop &&
layout == SwiperLayout.DEFAULT &&
(indicatorLayout == PageIndicatorLayout.SCALE ||
indicatorLayout == PageIndicatorLayout.COLOR ||
indicatorLayout == PageIndicatorLayout.NONE)) ||
(loop && layout != SwiperLayout.DEFAULT)),
() => "Only support `PageIndicatorLayout.SCALE` and `PageIndicatorLayout.COLOR`when layout==SwiperLayout.DEFAULT in loop mode");
this.itemBuilder = itemBuilder;
this.indicatorLayout = indicatorLayout;
this.transformer = transformer;
this.onIndexChanged = onIndexChanged;
this.itemCount = itemCount;
this.index = index;
this.onTap = onTap;
this.plugins = plugins;
this.control = control;
this.physics = physics;
this.controller = controller;
this.pagination = pagination;
this.customLayoutOption = customLayoutOption;
this.containerHeight = containerHeight;
this.containerWidth = containerWidth;
this.viewportFraction = viewportFraction;
this.itemHeight = itemHeight;
this.itemWidth = itemWidth;
this.scale = scale;
this.fade = fade;
this.curve = curve ?? Curves.ease;
this.autoplay = autoplay;
this.loop = loop;
this.scrollDirection = scrollDirection;
this.layout = layout;
this.autoplayDelay = autoplayDelay;
this.autoplayDisableOnInteraction = autoplayDisableOnInteraction;
this.duration = duration;
this.outer = outer;
}
public override Widget build(BuildContext context)
{
var children = new List <Widget> {
new Container(
width: 1080,
height: 800,
color: Colors.red
),
new Container(
width: 1080,
height: 800,
color: Colors.green
),
new Container(
width: 1080,
height: 800,
color: Colors.blueAccent
),
new Container(
width: 1080,
height: 800,
color: Colors.grey
)
};
return(new Scaffold(
appBar: new AppBar(
title: new Text(widget.title)
),
body: new Column(
children: new List <Widget> {
new Row(
children: new List <Widget> {
new Checkbox(
value: loop,
onChanged: (va) => {
setState(() => {
if (va == true)
{
//controller = new TransformerPageController(itemCount:4,loop:true);
}
else
{
//controller = new PageController(initialPage:0);
}
loop = (bool)va;
});
}
),
new Text("loop")
}
),
new RadioGroup(
titles: new List <string> {
"COLOR", "DROP",
"NONE", "SCALE", "SLIDE", "WARM"
},
onIndexChanged: (index) => { setState(() => { _index = index; layout = layouts[index]; }); }
),
new Container(
width: 1080,
height: 800,
child:
new Stack(
children: new List <Widget> {
TransformerPageView.children(index: 0,
children: children, pageController: controller
),
new Align(
alignment: Alignment.bottomCenter,
child: new Padding(
padding: EdgeInsets.only(bottom: 20),
child: getItem()
)
)
}
)
)
}
)
));
}
