private static void OnIsActivatedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
GeodeticDistance gd = d as GeodeticDistance;
bool oldValue = (bool)e.OldValue;
bool newValue = (bool)e.NewValue;
if (newValue != oldValue)
{
if (gd.Map != null)
{
if (newValue)
{
gd.mapCursor = gd.Map.Cursor;
gd.Map.MouseMove += gd.map_MouseMove;
gd.Map.MouseClick += gd.map_MouseClick;
gd.Map.Layers.Add(gd.layer);
gd.Map.Cursor = Cursors.Hand;
}
else
{
gd.Map.MouseMove -= gd.map_MouseMove;
gd.Map.MouseClick -= gd.map_MouseClick;
gd.Map.Layers.Remove(gd.layer);
gd.Map.Cursor = gd.mapCursor; //restore cursor
}
}
}
}
private static void OnMapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
GeodeticDistance gd = d as GeodeticDistance;
Map oldMap = e.OldValue as Map;
bool isActive = gd.IsActivated;
if (isActive)
{
gd.IsActivated = false;
}
if (oldMap != null)
{
gd.layer.ClearGraphics();
}
Map map = e.NewValue as Map;
if (map != null)
{
//Create graphics layer and populate with the needed necessary graphics
gd.layer = new GraphicsLayer();
gd.layer.Graphics.Add(gd.radiusFill);
gd.layer.Graphics.Add(gd.greatCircleLine);
gd.layer.Graphics.Add(gd.radiusLine);
Polyline line = new Polyline();
ESRI.ArcGIS.Client.Geometry.PointCollection pnts = new ESRI.ArcGIS.Client.Geometry.PointCollection();
pnts.Add(new MapPoint());
pnts.Add(new MapPoint());
line.Paths.Add(pnts);
gd.straightLine.Geometry = line;
gd.layer.Graphics.Add(gd.straightLine);
gd.layer.Graphics.Add(gd.midMarker);
gd.textPoint = new Graphic()
{
Symbol = gd.textSymb
};
gd.textPoint.SetZIndex(2);
gd.layer.Graphics.Add(gd.textPoint);
}
gd.IsActivated = isActive;
}