/// <summary>
/// Initiates a hit test on the specified <see cref="Windows.Foundation.Point(double, double)" /> location.
/// </summary>
/// <param name="location">The location.</param>
/// <remarks>
/// The default <see cref="MapBehavior" /> logic returns only the top-most <see cref="D2DShape" /> from the <see cref="MapShapeLayer" /> that matches the specific behavior requirements;
/// you can override the default logic and return multiple <see cref="D2DShape" /> instances (e.g. from layers that overlay one another) and the specific <see cref="MapBehavior" /> will
/// manipulate all of them.
/// </remarks>
protected internal override IEnumerable <IMapShape> HitTest(Point location)
{
if (this.map == null)
{
yield break;
}
IMapShape shape = null;
int layerCount = this.map.Layers.Count;
for (int i = layerCount - 1; i >= 0; i--)
{
var layer = this.map.Layers[i] as MapShapeLayer;
if (layer == null || !layer.IsToolTipEnabled)
{
continue;
}
shape = this.map.HitTest(location, layer);
if (shape != null)
{
break;
}
}
yield return(shape);
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
IMapShape ValueAsMapShape = (IMapShape)value;
//get individual simple feature from WKT
string shapeType = ValueAsMapShape.GetType().ToString();
shapeType = shapeType.Substring(shapeType.LastIndexOf('.') + 1).ToUpper();
// render according to simple feature type
switch (shapeType)
{
case "MAPPOINT":
{
return(GetPosition(ValueAsMapShape as MapPoint));
break;
}
case "MAPLINE":
{
return(GetLine(ValueAsMapShape as MapLine));
break;
}
case "MAPPOLYGON":
{
return(GetPolygon(ValueAsMapShape as UcbManagementInformation.Models.MapPolygon));
break;
}
default:
return(null);
}
}
internal D2DShape FindShapeForModel(IMapShape model)
{
var layer = this.GetLayerForShape(model);
if (layer != null)
{
return(layer.GetShapeForModel(model));
}
return(null);
}
/// <summary>
/// Gets the <see cref="D2DShapeStyle" /> instance that defines the appearance of the specified <see cref="IMapShape" /> instance.
/// </summary>
/// <param name="shape">The <see cref="IMapShape" /> instance for which the style is to be retrieved.</param>
protected internal override D2DShapeStyle GetShapeStyle(IMapShape shape)
{
var range = this.GetRangeForShape(shape);
if (range != null)
{
return(range.Style);
}
return(null);
}
internal D2DShape GetShapeForModel(IMapShape model)
{
D2DShape shape;
if (this.modelToVisualTable.TryGetValue(model, out shape))
{
return(shape);
}
return(null);
}
private double GetPopulationDensity(IMapShape shape)
{
var population = int.Parse(shape.GetAttribute("POP_CNTRY").ToString());
if (population < 0)
{
return(0);
}
var area = double.Parse(shape.GetAttribute("SQKM").ToString());
var density = population / area;
return(density);
}
protected override D2DShapeStyle GetShapeStyle(IMapShape shape)
{
var populationDensity = GetPopulationDensity(shape);
var color = GetColor(populationDensity);
var style = new D2DShapeStyle
{
Fill = new D2DSolidColorBrush {
Color = color
},
StrokeThickness = 0
};
return(style);
}
/// <summary>
/// Gets the <see cref="ColorRange"/> instance where the specified shape falls.
/// </summary>
public ColorRange GetRangeForShape(IMapShape shape)
{
if (shape == null)
{
throw new ArgumentNullException();
}
ColorRange range;
if (this.colorRangesByColorShape.TryGetValue((shape as MapShapeModel).UniqueId, out range))
{
return(range);
}
return(null);
}
/// <summary>
/// Gets the <see cref="MapShapeLayer"/> that the <see cref="IMapShape"/> instance specified as parameter belongs to.
/// </summary>
/// <param name="shape">The <see cref="IMapShape"/> instance.</param>
public MapShapeLayer GetLayerForShape(IMapShape shape)
{
if (!this.IsTemplateApplied)
{
return(null);
}
foreach (var layer in this.layers)
{
var shapeLayer = layer as MapShapeLayer;
if (shapeLayer != null && shapeLayer.ContainsShape(shape))
{
return(shapeLayer);
}
}
return(null);
}
/// <summary>
/// Provides an extension point for inheritors to perform additional logic when a <see cref="IMapShape"/> is associated with a valid <see cref="ColorRange"/>.
/// </summary>
protected virtual void OnShapeAssociated(IMapShape shape, ColorRange range)
{
}
internal bool ContainsShape(IMapShape model)
{
return(this.modelToVisualTable.ContainsKey(model));
}
/// <summary>
/// Initializes a new instance of the <see cref="MapShapeAutomationPeer"/> class.
/// </summary>
/// <param name="layerPeer">The parent shape layer.</param>
/// <param name="shapeModel">The underlying shape model.</param>
public MapShapeAutomationPeer(MapShapeLayerAutomationPeer layerPeer, IMapShape shapeModel) : base()
{
this.LayerPeer = layerPeer;
this.ShapeModel = shapeModel;
}
/// <summary> /// Gets the <see cref="D2DShapeStyle"/> instance that defines the appearance of the specified <see cref="IMapShape"/> instance. /// </summary> /// <param name="shape">The <see cref="IMapShape"/> instance for which the style is to be retrieved.</param> protected internal abstract D2DShapeStyle GetShapeStyle(IMapShape shape);
protected override void OnShapeAssociated(IMapShape shape, ColorRange range)
{
base.OnShapeAssociated(shape, range);
shape.SetAttribute("RANGE", range);
}