/// <summary>
/// Besides the individual customized symbols, which can be any objects of type FrameworkElement,
/// additionally labels are added into the shape layer.
/// </summary>
/// <param name="frameworkElement">New shape element to insert into the shape layer.</param>
/// <param name="animation">Optionally an animation can be specified applied to the new shape.</param>
private void AddToLayer(FrameworkElement frameworkElement, Timeline animation = null)
{
#region doc:add to layer
// Because of a different positioning of labels for objects of type MapPolylineBase compared
// to other object types, two different implementations are available
if (frameworkElement is MapPolylineBase)
{
shapeLayer.Shapes.Add(frameworkElement);
// Create a label at the position specified in the Location property of the MapPolyline object.
var border = CreateLabel("Hello");
ShapeCanvas.SetLocation(border, ShapeCanvas.GetLocation(frameworkElement));
shapeLayer.Shapes.Add(border);
}
else
{
// Arrange symbol and text label in a stack panel
var stackPanel = new StackPanel();
stackPanel.Children.Add(frameworkElement);
stackPanel.Children.Add(CreateLabel("Hello"));
// The following properties of the new object are transferred to the StackPanel for
// correct behavior.
ShapeCanvas.SetLocation(stackPanel, ShapeCanvas.GetLocation(frameworkElement));
ShapeCanvas.SetAnchor(stackPanel, ShapeCanvas.GetAnchor(frameworkElement));
ShapeCanvas.SetScale(stackPanel, ShapeCanvas.GetScale(frameworkElement));
ShapeCanvas.SetScaleFactor(stackPanel, ShapeCanvas.GetScaleFactor(frameworkElement));
shapeLayer.Shapes.Add(stackPanel);
// Add the option animation
if (animation == null)
{
return;
}
// Set the animation to target the Center property of the stack panel object
Storyboard.SetTarget(animation, stackPanel);
Storyboard.SetTargetProperty(animation, new PropertyPath(ShapeCanvas.LocationProperty));
// Create a storyboard to apply the animation.
var sb = new Storyboard();
sb.Children.Add(animation);
sb.Begin();
}
#endregion //doc:add to layer
}
public static MapRectangle GetMapRectangleFromShapeLayers(this LayerCollection layers)
{
var shapeLayers = layers.Where(l => l.GetType() == typeof(ShapeLayer)).Select(l => l as ShapeLayer);
if (shapeLayers.Count() == 0)
{
return(null);
}
double up = double.MinValue, down = double.MaxValue, left = double.MaxValue, rigth = double.MinValue;
foreach (var layer in shapeLayers)
{
if (layer.Shapes.Count == 0)
{
continue;
}
//up = Math.Max(up, layer.Shapes.Where(s => s.GetType().IsSubclassOf(typeof(MapPolylineBase))).Select(l => l as MapPolylineBase).Select(mlb => mlb.GetMaxY()).Max());
//down = Math.Min(up, layer.Shapes.Where(s => s.GetType().IsSubclassOf(typeof(MapPolylineBase))).Select(l => l as MapPolylineBase).Select(mlb => mlb.GetMinY()).Min());
//left = Math.Min(up, layer.Shapes.Where(s => s.GetType().IsSubclassOf(typeof(MapPolylineBase))).Select(l => l as MapPolylineBase).Select(mlb => mlb.GetMinX()).Min());
//rigth = Math.Max(up, layer.Shapes.Where(s => s.GetType().IsSubclassOf(typeof(MapPolylineBase))).Select(l => l as MapPolylineBase).Select(mlb => mlb.GetMaxX()).Max());
up = Math.Max(up, layer.Shapes.Select(s => ShapeCanvas.GetLocation(s).Y).Max());
down = Math.Min(down, layer.Shapes.Select(s => ShapeCanvas.GetLocation(s).Y).Min());
left = Math.Min(left, layer.Shapes.Select(s => ShapeCanvas.GetLocation(s).X).Min());
rigth = Math.Max(rigth, layer.Shapes.Select(s => ShapeCanvas.GetLocation(s).X).Max());
}
if (up == double.MinValue)
{
return(null);
}
return
(new Ptv.XServer.Controls.Map.MapRectangle()
{
North = up,
South = down,
West = left,
East = rigth,
}.Inflate(1.05, 1.05));
}
