protected override void OnItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
Circle item = (Circle)sender;
BMKCircle native = (BMKCircle)item?.NativeObject;
if (null == native)
{
return;
}
if (Annotation.TitleProperty.PropertyName == e.PropertyName)
{
native.Title = item.Title;
return;
}
if (Annotation.CoordinateProperty.PropertyName == e.PropertyName)
{
native.Coordinate = item.Coordinate.ToNative();
return;
}
if (Circle.RadiusProperty.PropertyName == e.PropertyName)
{
native.Radius = item.Radius;
return;
}
if (Circle.WidthProperty.PropertyName == e.PropertyName)
{
BMKCircleView view = (BMKCircleView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.LineWidth = item.Width;
}
return;
}
if (Circle.ColorProperty.PropertyName == e.PropertyName)
{
BMKCircleView view = (BMKCircleView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.StrokeColor = item.Color.ToUIColor();
}
return;
}
if (Circle.FillColorProperty.PropertyName == e.PropertyName)
{
BMKCircleView view = (BMKCircleView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.FillColor = item.Color.ToUIColor();
}
return;
}
}
protected override void OnItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
Pin item = (Pin)sender;
BMKPointAnnotation native = (BMKPointAnnotation)item?.NativeObject;
if (null == native)
{
return;
}
if (Annotation.CoordinateProperty.PropertyName == e.PropertyName)
{
native.Coordinate = item.Coordinate.ToNative();
return;
}
if (Annotation.TitleProperty.PropertyName == e.PropertyName)
{
native.Title = string.IsNullOrEmpty(item.Title) ? "" : item.Title;
// 防止空白气泡弹出
BMKPinAnnotationView view = (BMKPinAnnotationView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.CanShowCallout = !string.IsNullOrEmpty(item.Title);
}
return;
}
if (Pin.ImageProperty.PropertyName == e.PropertyName)
{
BMKPinAnnotationView view = (BMKPinAnnotationView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.Image = item.Image.ToNative();
}
return;
}
if (Pin.DraggableProperty.PropertyName == e.PropertyName)
{
BMKPinAnnotationView view = (BMKPinAnnotationView)NativeMap.ViewForAnnotation(native);
if (view != null)
{
view.Draggable = item.Draggable;
}
return;
}
}
protected override void OnItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
Polyline item = (Polyline)sender;
BMKPolyline native = (BMKPolyline)item?.NativeObject;
if (null == native) {
return;
}
if (Annotation.TitleProperty.PropertyName == e.PropertyName) {
native.Title = item.Title;
return;
}
if (Polyline.PointsProperty.PropertyName == e.PropertyName) {
CLLocationCoordinate2D[] points = new CLLocationCoordinate2D[item.Points.Count];
for (int i = 0; i < points.Length; i++) {
points[i] = item.Points[i].ToNative();
}
native.SetPolylineWithCoordinates(ref points[0], points.Length);
return;
}
if (Polyline.WidthProperty.PropertyName == e.PropertyName) {
BMKPolylineView view = NativeMap.ViewForAnnotation(native);
if (view != null) {
view.LineWidth = item.Width;
}
return;
}
if (Polyline.ColorProperty.PropertyName == e.PropertyName) {
BMKPolylineView view = NativeMap.ViewForAnnotation(native);
if (view != null) {
view.StrokeColor = item.Color.ToUIColor();
}
return;
}
}