void InitializeComponent()
{
_mainBox = new Box(Forms.NativeParent)
{
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_mainBox.Show();
_mainBox.SetLayoutCallback(OnLayout);
_indexIndicator = new Index(_mainBox)
{
IsHorizontal = true,
AutoHide = false,
}.SetStyledIndex();
_indexIndicator.Show();
_scroller = new Scroller(_mainBox);
_scroller.Scrolled += OnScrolled;
_scroller.PageScrolled += OnScrollStop;
//PageScrolled event is not invoked when a user scrolls beyond the end using bezel
var scrollAnimationStop = new SmartEvent(_scroller, ThemeConstants.Scroller.Signals.StopScrollAnimation);
scrollAnimationStop.On += OnScrollStop;
_scroller.Focused += OnFocused;
_scroller.Unfocused += OnUnfocused;
// Disables the visibility of the scrollbar in both directions:
_scroller.HorizontalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible;
_scroller.VerticalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible;
// Sets the limit of scroll to one page maximum:
_scroller.HorizontalPageScrollLimit = 1;
_scroller.SetPageSize(1.0, 1.0);
_scroller.SetAlignment(-1, -1);
_scroller.SetWeight(1.0, 1.0);
_scroller.Show();
_innerContainer = new Box(_mainBox);
_innerContainer.SetLayoutCallback(OnInnerLayoutUpdate);
_innerContainer.SetAlignment(-1, -1);
_innerContainer.SetWeight(1.0, 1.0);
_innerContainer.Show();
_scroller.SetContent(_innerContainer);
_mainBox.PackEnd(_indexIndicator);
_mainBox.PackEnd(_scroller);
_indexIndicator.StackAbove(_scroller);
}
/// <summary>
/// Initializes a new instance of the CarouselPage class.
/// </summary>
public CarouselPage(EvasObject parent) : base(parent)
{
AlignmentX = -1;
AlignmentY = -1;
WeightX = 1;
WeightY = 1;
Show();
_scroller = new Scroller(parent)
{
HorizontalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible,
VerticalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible,
HorizontalPageScrollLimit = 1,
HorizontalRelativePageSize = 1.0,
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_scroller.PageScrolled += OnPageScrolled;
_scroller.Show();
_innerContainer = new EBox(parent)
{
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_innerContainer.SetLayoutCallback(OnInnerLayoutUpdate);
_innerContainer.Show();
_scroller.SetContent(_innerContainer);
_index = new Index(parent)
{
IsHorizontal = true,
AutoHide = false,
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_index.Changed += OnIndexChanged;
_index.Show();
SetLayoutCallback(OnOutterLayoutUpdate);
PackEnd(_scroller);
PackEnd(_index);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (Element != null)
{
Element.CurrentPageChanged -= OnCurrentPageChanged;
Element.PagesChanged -= OnPagesChanged;
_scroller.PageScrolled -= OnPageScrolled;
_index.Changed -= OnIndexChanged;
}
_innerContainer = null;
_scroller = null;
_index = null;
}
base.Dispose(disposing);
}
protected override void OnElementChanged(ElementChangedEventArgs <CarouselPage> e)
{
if (NativeView == null)
{
_outterLayout = new Box(Forms.NativeParent)
{
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_outterLayout.Show();
_scroller = new Scroller(Forms.NativeParent)
{
HorizontalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible,
VerticalScrollBarVisiblePolicy = ScrollBarVisiblePolicy.Invisible,
HorizontalPageScrollLimit = 1,
HorizontalRelativePageSize = 1.0,
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_scroller.PageScrolled += OnPageScrolled;
_scroller.Show();
_innerContainer = new Box(Forms.NativeParent)
{
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_innerContainer.SetLayoutCallback(OnInnerLayoutUpdate);
_innerContainer.Show();
_scroller.SetContent(_innerContainer);
_index = new Index(Forms.NativeParent)
{
IsHorizontal = true,
AutoHide = false,
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
};
_index.Changed += OnIndexChanged;
_index.Show();
_outterLayout.SetLayoutCallback(OnOutterLayoutUpdate);
_outterLayout.PackEnd(_scroller);
_outterLayout.PackEnd(_index);
SetNativeView(_outterLayout);
}
if (e.OldElement != null)
{
e.OldElement.CurrentPageChanged -= OnCurrentPageChanged;
e.OldElement.PagesChanged -= OnPagesChanged;
_isInitalized = false;
}
if (e.NewElement != null)
{
Element.CurrentPageChanged += OnCurrentPageChanged;
Element.PagesChanged += OnPagesChanged;
}
base.OnElementChanged(e);
}
public static Index SetStyledIndex(this Index index)
{
index.Style = DeviceInfo.Idiom == DeviceIdiom.Watch ? ThemeConstants.Index.Styles.Circle : ThemeConstants.Index.Styles.PageControl;
return(index);
}