/// <summary>
/// Create an instance of the DeepEarth Map Control
/// </summary>
public Map()
{
DefaultInstance = this;
_SpatialReference = new MercatorProjection();
_TileLayer = new TileLayer(this);
_MouseControl = new MouseControl(this);
_Layers = new ObservableCollection<ILayer>();
_Layers.CollectionChanged += Layers_CollectionChanged;
DefaultStyleKey = typeof (Map);
DisplayUnit = Unit.Meter;
DragMode = DragBehavior.Pan;
//Wire up the keyboard events.
TabNavigation = KeyboardNavigationMode.Once;
IsTabStop = true;
KeyDown += (o, e) => Events.KeyDown(this, e);
KeyUp += (o, e) => Events.KeyUp(this, e);
//Create event handlers for default map behavior
Events.MapDoubleClick += MapDoubleClick;
Events.MapZoomEnded += (o, e) => _TargetZoom = 0;
Events.MapLoaded += (o, e) => UpdateCenterPoint();
Events.MapTileSourceChanged += (o, e) => UpdateCopyrights();
}
/// <summary>
/// Overrides the default OnApplyTemplate to configure child FrameworkElement references from the applied template
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
//Get instances from the template
_MapContent = (Grid) GetTemplateChild(PART_MapContent);
_MapLayerGrid = (Grid) GetTemplateChild(PART_MapLayers);
_MapRotation = (RotateTransform) GetTemplateChild(PART_MapRotation);
_LicenseContainer = (Panel)GetTemplateChild(PART_LicenseContainer);
_MouseControl = (MouseControl) GetTemplateChild(PART_MouseControl);
_MouseControl.MapInstance = this;
_MapContent.Children.Insert(0, _TileLayer);
//Perform any necessary intialization to the elements
RotationAngle = _MapRotation.Angle;
ConfigMapLayers();
ConfigMapRotation();
LayoutUpdated += (o, e) => UpdateClippingArea();
}