void HandlePropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "Content")
{
BorderRendererVisual.UpdateBackground(Element, ViewGroup);
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Border> e)
{
base.OnElementChanged(e);
if (e.OldElement == null)
{
base.SetNativeControl(new LinearLayout(base.Context));
}
BorderRendererVisual.UpdateBackground(Element, ViewGroup);
}
/*void HandlePropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
* {
* if (e.PropertyName == "Content")
* {
* BorderRendererVisual.UpdateBackground (Element, this.ViewGroup);
* }
* }*/
protected override void DispatchDraw(Canvas canvas)
{
if (Element.IsClippedToBorder)
{
canvas.Save(SaveFlags.Clip);
BorderRendererVisual.SetClipPath(this, canvas);
base.DispatchDraw(canvas);
canvas.Restore();
}
else
{
base.DispatchDraw(canvas);
}
}
public void SetElement(VisualElement element)
{
var oldElement = this.Element;
//unregister old and re-register new
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
this.Element = element;
if (this.Element != null)
{
//this.SetBackgroundColor(this.Element.BackgroundColor.ToAndroid());
BorderRendererVisual.UpdateBackground(BorderElement, this);
UpdateContent();
this.Element.PropertyChanged += HandlePropertyChanged;
}
if (!isInitialized)
{
isInitialized = true;
//sizes to match the forms view
//updates properties, handles visual element properties
Tracker = new VisualElementTracker(this);
//add and remove children automatically
packager = new VisualElementPackager(this);
packager.Load();
//TODO: this is hardcoded for now via resources, but could be bindable.
/*SetColorSchemeResources (Resource.Color.xam_dark_blue,
* Resource.Color.xam_purple,
* Resource.Color.xam_gray,
* Resource.Color.xam_green);*/
}
if (ElementChanged != null)
{
ElementChanged(this, new VisualElementChangedEventArgs(oldElement, this.Element));
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Border> e)
{
base.OnElementChanged(e);
BorderRendererVisual.UpdateBackground(Element, this.ViewGroup);
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
//HandlePropertyChanged (sender, e);
BorderRendererVisual.UpdateBackground(Element, this.ViewGroup);
}
