protected override InteractiveResult MouseUpCore(InteractionArguments interactionArguments)
{
if (IsShiftKeyDown == true)
{
PolygonShape newPolygonShape = (PolygonShape)EditShapesLayer.InternalFeatures[0].GetShape();
RingShape ringShape = new RingShape();
foreach (Feature feature in controlPoints)
{
PointShape controlPointShape = (PointShape)feature.GetShape();
if (feature.ColumnValues["nodetype"] == "special")
{
BaseShape baseShape = snappingFeature.GetShape();
PointShape pointShape = baseShape.GetClosestPointTo(controlPointShape, GeographyUnit.DecimalDegree);
ringShape.Vertices.Add(new Vertex(pointShape.X, pointShape.Y));
}
else
{
ringShape.Vertices.Add(new Vertex(controlPointShape.X, controlPointShape.Y));
}
}
newPolygonShape.OuterRing = ringShape;
Feature newFeature = new Feature(newPolygonShape, EditShapesLayer.InternalFeatures[0].ColumnValues);
EditShapesLayer.Open();
EditShapesLayer.EditTools.BeginTransaction();
EditShapesLayer.InternalFeatures.Clear();
EditShapesLayer.InternalFeatures.Add(newFeature);
EditShapesLayer.EditTools.CommitTransaction();
EditShapesLayer.Close();
}
return(base.MouseUpCore(interactionArguments));
}
public Collection <Feature> GetEditingFeaturesInterseting(BaseShape baseShape)
{
BaseShape searchArea = baseShape;
if (baseShape.GetWellKnownType() == WellKnownType.Point)
{
PointShape worldCoordinate = (PointShape)baseShape;
double searchTorlerence = 15 * MapArguments.CurrentResolution;
searchArea = new RectangleShape(worldCoordinate.X - searchTorlerence,
worldCoordinate.Y + searchTorlerence, worldCoordinate.X + searchTorlerence,
worldCoordinate.Y - searchTorlerence);
}
Collection <Feature> features = new Collection <Feature>();
lock (EditShapesLayer)
{
if (!EditShapesLayer.IsOpen)
{
EditShapesLayer.Open();
}
var intersectingFeatures = EditShapesLayer.QueryTools.GetFeaturesIntersecting(searchArea, EditShapesLayer.GetDistinctColumnNames());
foreach (var feature in intersectingFeatures)
{
features.Add(feature);
}
}
return(features);
}
//Overrides the DrawCore function.
protected override void DrawCore(GeoCanvas canvas)
{
//Draws the Edit Shapes as default.
Collection <SimpleCandidate> labelsInAllLayers = new Collection <SimpleCandidate>();
EditShapesLayer.Open();
EditShapesLayer.Draw(canvas, labelsInAllLayers);
canvas.Flush();
//Draws the control points.
ExistingControlPointsLayer.Open();
Collection <Feature> controlPoints = ExistingControlPointsLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns);
//Loops thru the control points.
foreach (Feature feature in controlPoints)
{
//Looks at the value of "state" to draw the control point as dragged or not.
if (feature.ColumnValues["state"] != "selected")
{
Feature[] features = new Feature[1] {
feature
};
controlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
else
{
Feature[] features = new Feature[1] {
feature
};
draggedControlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
}
}
public bool CheckIsInHitArea(Vertex hitPoint)
{
double resolution = MapArguments.CurrentResolution;
double searchingTolerance = resolution * 14 * searchingToleranceRatio;
RectangleShape searchingArea = new RectangleShape(hitPoint.X - searchingTolerance, hitPoint.Y + searchingTolerance, hitPoint.X + searchingTolerance, hitPoint.Y - searchingTolerance);
if (!EditShapesLayer.IsOpen)
{
EditShapesLayer.Open();
}
var features = EditShapesLayer.QueryTools.GetFeaturesIntersecting(searchingArea, EditShapesLayer.GetDistinctColumnNames());
return(features.Count != 0);
}
//Overrides the DrawCore function.
protected override void DrawCore(GeoCanvas canvas)
{
//Draws the Edit Shapes as default.
Collection <SimpleCandidate> labelsInAllLayers = new Collection <SimpleCandidate>();
EditShapesLayer.Open();
EditShapesLayer.Draw(canvas, labelsInAllLayers);
canvas.Flush();
//Draws the control points.
ExistingControlPointsLayer.Open();
Collection <Feature> controlPoints = ExistingControlPointsLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns);
//Loops thru the control points.
foreach (Feature feature in controlPoints)
{
//Looks at the value of "state" to draw the control point as dragged or not.
if (feature.ColumnValues["state"] != "selected")
{
Feature[] features = new Feature[1] {
feature
};
controlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
else
{
Feature[] features = new Feature[1] {
feature
};
draggedControlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
PointShape pointShape = feature.GetShape() as PointShape;
PointShape closestPointShape = referenceShape.GetClosestPointTo(pointShape, GeographyUnit.DecimalDegree);
//Draws the closest point on the reference shape and the distance to it from the dragged control point.
if (closestPointShape != null)
{
double Dist = System.Math.Round(closestPointShape.GetDistanceTo(pointShape, GeographyUnit.DecimalDegree, DistanceUnit.Meter));
ScreenPointF ScreenPointF = ExtentHelper.ToScreenCoordinate(canvas.CurrentWorldExtent, pointShape, canvas.Width, canvas.Height);
canvas.DrawTextWithScreenCoordinate(System.Convert.ToString(Dist) + " m", new GeoFont("Arial", 12, DrawingFontStyles.Bold), new GeoSolidBrush(GeoColor.StandardColors.Black),
ScreenPointF.X + 35, ScreenPointF.Y, DrawingLevel.LabelLevel);
canvas.DrawEllipse(closestPointShape, 12, 12, new GeoSolidBrush(GeoColor.StandardColors.Purple), DrawingLevel.LevelFour);
}
}
}
}
//Overrides the DrawCore function.
protected override void DrawCore(GeoCanvas canvas)
{
if (EditShapesLayer.InternalFeatures.Count > 1)
{
throw new NotImplementedException("Only allow one shape to be editing.");
}
//Draws the Edit Shapes as default.
Collection <SimpleCandidate> labelsInAllLayers = new Collection <SimpleCandidate>();
EditShapesLayer.Open();
EditShapesLayer.Draw(canvas, labelsInAllLayers);
canvas.Flush();
ExistingControlPointsLayer.Open();
Collection <Feature> ExistingControlPoints = ExistingControlPointsLayer.QueryTools.GetAllFeatures(new string[1] {
"IsSelected"
});
ExistingControlPointsLayer.Close();
//Loops thru the control points.
for (int i = ExistingControlPoints.Count - 1; i >= 0; i--)
{
Feature feature = ExistingControlPoints[i];
if (feature.ColumnValues.ContainsKey("IsSelected") && feature.ColumnValues["IsSelected"] == "true")
{
Feature[] features = new Feature[1] {
feature
};
selectedControlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
else
{
Feature[] features = new Feature[1] {
feature
};
controlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
}
}
//Overrides the DrawCore function.
protected override void DrawCore(GeoCanvas canvas)
{
//Draws the Edit Shapes as default.
Collection <SimpleCandidate> labelsInAllLayers = new Collection <SimpleCandidate>();
EditShapesLayer.Open();
EditShapesLayer.Draw(canvas, labelsInAllLayers);
canvas.Flush();
//Gets the control points and draw its features according to the value of "IsSelected" column.
this.ExistingControlPointsLayer.Open();
Collection <Feature> ExistingControlPoints = this.ExistingControlPointsLayer.QueryTools.GetAllFeatures(new string[1] {
"IsSelected"
});
ExistingControlPointsLayer.Close();
//Loops thru the control points features and check for the value of "IsSelected" collumn.
foreach (Feature feature in ExistingControlPoints)
{
if (feature.ColumnValues.ContainsKey("IsSelected") && feature.ColumnValues["IsSelected"] == "true")
{
Feature[] features = new Feature[1] {
feature
};
selectedControlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
else
{
Feature[] features = new Feature[1] {
feature
};
controlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
}
}
//Overrides the DrawCore function to draw the Edit Layers, the vertices and tolerance ellipses of layer to snap to,
//and the control points.
protected override void DrawCore(GeoCanvas canvas)
{
//Sets the geography Unit used in FindNearestSnappingPoint function
geographyUnit = canvas.MapUnit;
currentWorldExtent = canvas.CurrentWorldExtent;
mapWidth = canvas.Width;
mapHeight = canvas.Height;
//Draws the Edit Shapes as default.
Collection <SimpleCandidate> labelsInAllLayers = new Collection <SimpleCandidate>();
EditShapesLayer.Open();
EditShapesLayer.Draw(canvas, labelsInAllLayers);
canvas.Flush();
//Draw the vertices and tolerance ellipses of layer to snap to.
toSnapInMemoryFeatureLayer.Open();
Collection <Feature> toSnapPoints = toSnapInMemoryFeatureLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns);
toSnapInMemoryFeatureLayer.Close();
foreach (Feature feature in toSnapPoints)
{
PolygonShape polygonShape = (PolygonShape)feature.GetShape();
foreach (Vertex vertex in polygonShape.OuterRing.Vertices)
{
//Draws the vertex.
PointShape pointShape = new PointShape(vertex);
canvas.DrawEllipse(pointShape, 5, 5, new GeoSolidBrush(GeoColor.StandardColors.Black), DrawingLevel.LevelOne);
//Draws the tolerance ellipse.
if (toleranceType == ToleranceCoordinates.Screen)
{
ScreenPointF screenPointF = ExtentHelper.ToScreenCoordinate(canvas.CurrentWorldExtent, pointShape, canvas.Width, canvas.Height);
canvas.DrawEllipse(screenPointF, tolerance * 2, tolerance * 2, new GeoPen(GeoColor.StandardColors.Black), new GeoSolidBrush(), DrawingLevel.LevelFour, 0, 0, PenBrushDrawingOrder.PenFirst);
}
else
{
EllipseShape ellipseShape = new EllipseShape(pointShape, tolerance, canvas.MapUnit, toleranceUnit);
canvas.DrawArea(ellipseShape, new GeoPen(GeoColor.StandardColors.Black), DrawingLevel.LevelOne);
}
}
}
//Draws the control points.
ExistingControlPointsLayer.Open();
Collection <Feature> controlPoints = ExistingControlPointsLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns);
////Loops thru the control points.
foreach (Feature feature in controlPoints)
{
//Looks at the value of "state" to draw the control point as dragged or not.
Feature[] features = new Feature[1] {
feature
};
controlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
foreach (Feature feature in SelectedControlPointLayer.InternalFeatures)
{
Feature[] features = new Feature[1] {
feature
};
draggedControlPointStyle.Draw(features, canvas, labelsInAllLayers, labelsInAllLayers);
}
}