public GisEditorEditInteractiveOverlay()
: base()
{
newFeatureIds = new Collection <string>();
snappingLayers = new ObservableCollection <FeatureLayer>();
snappingLayers.CollectionChanged += (s, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add && ParentMap != null)
{
ParentMap.Refresh(this);
}
};
editSnapshots = new Collection <EditSnapshot>();
OverlayCanvas.SetValue(Canvas.ZIndexProperty, editOverlayZIndex);
editShapesLayer = new InMemoryFeatureLayer();
associateControlPointsLayer = new InMemoryFeatureLayer();
reshapeControlPointsLayer = new InMemoryFeatureLayer();
snappingPointsLayer = new InMemoryFeatureLayer();
snappingToleranceLayer = new InMemoryFeatureLayer();
editsInProcessSimpleCandidate = new Collection <SimpleCandidate>();
editCandidatesLayer = new InMemoryFeatureLayer();
translateTransform = new TranslateTransform();
OverlayCanvas.RenderTransform = translateTransform;
RenderMode = RenderMode.DrawingVisual;
CanRotate = true;
CanResize = true;
SetDefaultStyle();
tile = GetLayerTile();
OverlayCanvas.Children.Add(tile);
SnappingDistance = 10;
SnappingDistanceUnit = SnappingDistanceUnit.Pixel;
if (Application.Current != null && Application.Current.MainWindow != null)
{
Application.Current.MainWindow.KeyDown += new System.Windows.Input.KeyEventHandler(MainWindow_KeyDown);
}
TakeSnapshot();
}