/// <summary>
/// Initializes a new instance of the <see cref="GeoMap"/> class.
/// </summary>
public GeoMap()
{
Canvas = new Canvas();
Map = new Canvas();
Canvas.Children.Add(Map);
Content = Canvas;
Canvas.SetBinding(WidthProperty,
new Binding { Path = new PropertyPath(ActualWidthProperty), Source = this });
Canvas.SetBinding(HeightProperty,
new Binding { Path = new PropertyPath(ActualHeightProperty), Source = this });
Lands = new Dictionary<string, MapData>();
SetCurrentValue(DefaultLandFillProperty, new SolidColorBrush(Color.FromArgb(200,255,255,255)));
SetCurrentValue(LandStrokeProperty, new SolidColorBrush(Color.FromArgb(30, 55,55, 55)));
SetCurrentValue(LandStrokeThicknessProperty, 1.3d);
SetCurrentValue(AnimationsSpeedProperty, TimeSpan.FromMilliseconds(500));
SetCurrentValue(BackgroundProperty, new SolidColorBrush(Color.FromArgb(150, 96, 125, 138)));
SetCurrentValue(GradientStopCollectionProperty, new GradientStopCollection
{
new GradientStop(Color.FromArgb(100,2,119,188), 0d),
new GradientStop(Color.FromRgb(2,119,188), 1d),
});
SetCurrentValue(HeatMapProperty, new Dictionary<string, double>());
SetCurrentValue(GeoMapTooltipProperty, new DefaultGeoMapTooltip {Visibility = Visibility.Hidden});
Canvas.Children.Add(GeoMapTooltip);
SizeChanged += (sender, e) =>
{
Draw();
};
MouseWheel += (sender, e) =>
{
if (!EnableZoomingAndPanning) return;
e.Handled = true;
var rt = Map.RenderTransform as ScaleTransform;
var p = rt == null ? 1 : rt.ScaleX;
p += e.Delta > 0 ? .05 : -.05;
p = p < 1 ? 1 : p;
var o = e.GetPosition(this);
if (e.Delta > 0) Map.RenderTransformOrigin = new Point(o.X/ActualWidth,o.Y/ActualHeight);
Map.RenderTransform = new ScaleTransform(p, p);
};
MouseDown += (sender, e) =>
{
if (!EnableZoomingAndPanning) return;
DragOrigin = e.GetPosition(this);
};
MouseUp += (sender, e) =>
{
if (!EnableZoomingAndPanning) return;
var end = e.GetPosition(this);
var delta = new Point(DragOrigin.X - end.X, DragOrigin.Y - end.Y);
var l = Canvas.GetLeft(Map) - delta.X;
var t = Canvas.GetTop(Map) - delta.Y;
if (DisableAnimations)
{
Canvas.SetLeft(Map, l);
Canvas.SetTop(Map, t);
}
else
{
Map.BeginAnimation(Canvas.LeftProperty, new DoubleAnimation(l, AnimationsSpeed));
Map.BeginAnimation(Canvas.TopProperty, new DoubleAnimation(t, AnimationsSpeed));
}
};
}
