public static ScrollController of(BuildContext context)
{
PrimaryScrollController result =
(PrimaryScrollController)context.inheritFromWidgetOfExactType(typeof(PrimaryScrollController));
return(result == null ? null : result.controller);
}
public override Widget build(BuildContext context)
{
AxisDirection axisDirection = this._getDirection(context);
Widget contents = this.child;
if (this.padding != null)
{
contents = new Padding(
padding: this.padding,
child: contents);
}
ScrollController scrollController = this.primary
? PrimaryScrollController.of(context)
: this.controller;
Scrollable scrollable = new Scrollable(
axisDirection: axisDirection,
controller: scrollController,
physics: this.physics,
viewportBuilder: (BuildContext subContext, ViewportOffset offset) => {
return(new _SingleChildViewport(
axisDirection: axisDirection,
offset: offset,
child: contents));
}
);
if (this.primary && scrollController != null)
{
return(PrimaryScrollController.none(child: scrollable));
}
return(scrollable);
}
public override Widget build(BuildContext context)
{
List <Widget> slivers = this.buildSlivers(context);
AxisDirection axisDirection = this.getDirection(context);
ScrollController scrollController = this.primary ? PrimaryScrollController.of(context) : this.controller;
Scrollable scrollable = new Scrollable(
axisDirection: axisDirection,
controller: scrollController,
physics: this.physics,
viewportBuilder: (viewportContext, offset) =>
this.buildViewport(viewportContext, offset, axisDirection, slivers)
);
return(this.primary && scrollController != null
? (Widget)PrimaryScrollController.none(child: scrollable)
: scrollable);
}
public override Widget build(BuildContext context)
{
List <Widget> slivers = buildSlivers(context);
AxisDirection axisDirection = getDirection(context);
ScrollController scrollController = primary ? PrimaryScrollController.of(context) : controller;
Scrollable scrollable = new Scrollable(
dragStartBehavior: dragStartBehavior,
axisDirection: axisDirection,
controller: scrollController,
physics: physics,
viewportBuilder: (viewportContext, offset) =>
buildViewport(viewportContext, offset, axisDirection, slivers)
);
Widget scrollableResult = primary && scrollController != null
? (Widget)PrimaryScrollController.none(child: scrollable)
: scrollable;
if (keyboardDismissBehavior == ScrollViewKeyboardDismissBehavior.onDrag)
{
return(new NotificationListener <ScrollUpdateNotification>(
child: scrollableResult,
onNotification: (ScrollUpdateNotification notification) => {
FocusScopeNode focusScope = FocusScope.of(context);
if (notification.dragDetails != null && focusScope.hasFocus)
{
focusScope.unfocus();
}
return false;
}
));
}
else
{
return(scrollableResult);
}
}
public static ScrollController of(BuildContext context)
{
PrimaryScrollController result = context.dependOnInheritedWidgetOfExactType <PrimaryScrollController>();
return(result?.controller);
}
