public DragInteractiveOverlayAdvanced()
: base()
{
ExistingControlPointsLayer.Open();
ExistingControlPointsLayer.Columns.Add(new FeatureSourceColumn("nodetype"));
ExistingControlPointsLayer.Close();
}
public SelectVerticesEditInteractiveOverlay()
: base()
{
this.CanAddVertex = false;
this.CanDrag = true;
this.CanRemoveVertex = false;
this.CanResize = false;
this.CanRotate = false;
ExistingControlPointsLayer.Open();
ExistingControlPointsLayer.Columns.Add(new FeatureSourceColumn("IsSelected"));
ExistingControlPointsLayer.Close();
existingFeatures = new Collection <Feature>();
}
//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);
}
}
}
