private void MapView_ViewportChanged(object sender, EventArgs e)
{
var zl = (int)Math.Floor(this.ZoomLevel);
if (zl != this.discreteZoomLevel)
{
this.discreteZoomLevel = zl;
this.RaiseZoomLevelChanged(this.discreteZoomLevel);
}
var rect = new LocationRect
{
NorthWest = Common.Utils.Mid(this.Center, this.Bounds.NorthWest),
SouthEast = Common.Utils.Mid(this.Center, this.Bounds.SouthEast)
};
if (this.previousCenter == null)
{
this.previousCenter = this.Center;
}
if (!rect.Contains(this.previousCenter))
{
this.previousCenter = this.Center;
this.RaiseViewportMoved(this.previousCenter);
}
}
public void ShouldContainsZeroLatitudeLongitudeInZeroLocationRect()
{
// Arrange
var locationRect = new LocationRect(0,0,0,0);
// Act
var isContained = locationRect.Contains(new Position(0, 0));
// Assert
isContained.Should().BeTrue();
}
public void BackgroundItemsRequest(object sender, BackgroundItemsRequestEventArgs e)
{
LocationRect currentRegion = new LocationRect(e.UpperLeft, e.LowerRight);
List <object> visibleItems = new List <object>();
if (currentRegion.Contains(bulgariaLocation))
{
if (e.MinZoom == 3)
{
visibleItems.Add(this.BulgariaEllipse);
}
else if (e.MinZoom == 6)
{
visibleItems.Add(this.SofiaEllipse);
}
}
e.CompleteItemsRequest(visibleItems);
}
public void ItemsRequest(object sender, ItemsRequestEventArgs e)
{
List <object> items = new List <object>();
double minZoom = e.MinZoom;
Location upperLeft = e.UpperLeft;
Location lowerRight = e.LowerRight;
HotSpot centerSpot = new HotSpot();
centerSpot.X = 0.5;
centerSpot.Y = 0.5;
Location bulgariaLocation = new Location(42.7669999748468, 25.2819999307394);
LocationRect currentRegion = new LocationRect(upperLeft, lowerRight);
if (currentRegion.Contains(bulgariaLocation))
{
if (minZoom == 3)
{
Ellipse ellipse = new Ellipse();
ellipse.Width = 15;
ellipse.Height = 15;
ellipse.Fill = new SolidColorBrush(Colors.Red);
ellipse.SetValue(MapLayer.LocationProperty, bulgariaLocation);
MapLayer.SetHotSpot(ellipse, centerSpot);
ToolTipService.SetToolTip(ellipse, "Bulgaria");
items.Add(ellipse);
}
else if (minZoom == 6)
{
Ellipse sofiaEllipse = new Ellipse();
sofiaEllipse.Width = 20;
sofiaEllipse.Height = 20;
sofiaEllipse.Stroke = new SolidColorBrush(Colors.Red);
sofiaEllipse.Fill = new SolidColorBrush(Colors.Transparent);
sofiaEllipse.StrokeThickness = 3;
sofiaEllipse.SetValue(MapLayer.LocationProperty, new Location(42.6957539183824, 23.3327663758679));
MapLayer.SetHotSpot(sofiaEllipse, centerSpot);
ToolTipService.SetToolTip(sofiaEllipse, "Sofia");
items.Add(sofiaEllipse);
}
}
e.CompleteItemsRequest(items);
}
public void ItemsRequest(object sender, ItemsRequestEventArgs e)
{
List<object> items = new List<object>();
double minZoom = e.MinZoom;
Location upperLeft = e.UpperLeft;
Location lowerRight = e.LowerRight;
HotSpot centerSpot = new HotSpot();
centerSpot.X = 0.5;
centerSpot.Y = 0.5;
Location bulgariaLocation = new Location(42.7669999748468, 25.2819999307394);
LocationRect currentRegion = new LocationRect(upperLeft, lowerRight);
if (currentRegion.Contains(bulgariaLocation))
{
if (minZoom == 3)
{
Ellipse ellipse = new Ellipse();
ellipse.Width = 15;
ellipse.Height = 15;
ellipse.Fill = new SolidColorBrush(Colors.Red);
ellipse.SetValue(MapLayer.LocationProperty, bulgariaLocation);
MapLayer.SetHotSpot(ellipse, centerSpot);
ToolTipService.SetToolTip(ellipse, "Bulgaria");
items.Add(ellipse);
}
else if (minZoom == 6)
{
Ellipse sofiaEllipse = new Ellipse();
sofiaEllipse.Width = 20;
sofiaEllipse.Height = 20;
sofiaEllipse.Stroke = new SolidColorBrush(Colors.Red);
sofiaEllipse.Fill = new SolidColorBrush(Colors.Transparent);
sofiaEllipse.StrokeThickness = 3;
sofiaEllipse.SetValue(MapLayer.LocationProperty, new Location(42.6957539183824, 23.3327663758679));
MapLayer.SetHotSpot(sofiaEllipse, centerSpot);
ToolTipService.SetToolTip(sofiaEllipse, "Sofia");
items.Add(sofiaEllipse);
}
}
e.CompleteItemsRequest(items);
}