private IGeometry GetDefaultGeometry(ISnapResult snapResult)
{
IGeometry defaultGeometry = null;
IFeatureEditor featureEditor = MapControl.SelectTool.GetFeatureEditor(Layer, null);
if (null != featureEditor)
{
defaultGeometry = featureEditor.CreateDefaultGeometry(Layer, newLineGeometry[0],
(null != snapResult) ? snapResult.NearestTarget : null,
(null != snapResult) ? snapResult.Location : null);
if (null != defaultGeometry)
{
newLineGeometry.Clear();
newLineGeometry.Add(defaultGeometry);
}
}
return(defaultGeometry);
}
public override void OnMouseUp(ICoordinate worldPosition, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
if (newLineGeometry.Count == 0)
{
return;
}
ISnapResult snapResult = MapControl.SnapTool.ExecuteLayerSnapRules(Layer, null, adding ? newLineGeometry[0] : null,
worldPosition,
adding ? newLineGeometry[0].Coordinates.Length - 1 : -1);
IGeometry defaultGeometry = null;
IFeatureEditor featureEditor = MapControl.SelectTool.GetFeatureEditor(Layer, null);
if (null != featureEditor)
{
defaultGeometry = featureEditor.CreateDefaultGeometry(Layer, newLineGeometry[0],
(null != snapResult) ? snapResult.NearestTarget : null,
(null != snapResult) ? snapResult.Location : null);
if (null != defaultGeometry)
{
newLineGeometry.Clear();
newLineGeometry.Add(defaultGeometry);
}
}
ILineString lineString = (ILineString)newLineGeometry[0];
if (null == lineString)
{
isBusy = false;
return;
}
if (ActualAutoCurve)
{
if (null == defaultGeometry)
{
snapResult = Snap(worldPosition);
if (null == snapResult)
{
// hack if obligatory snapping failed mimic result. This is not valid for NewNodeTool
// Think of solution within snaprule
snapResult = new SnapResult(worldPosition, null, null, -1, -1);
}
if (TemporalEnd)
{
GeometryHelper.SetCoordinate(lineString, lineString.Coordinates.Length - 1, snapResult.Location);
}
else
{
lineString = AppendCurvePoint(lineString, snapResult.Location);
}
lineString = RemoveDuplicatePoints(lineString);
}
adding = false;
newLineGeometry[0] = lineString;
//Flush();
SelectTool selectTool = MapControl.SelectTool;
if (null != lineString && snapResult != null)
{
// TODO: call editor here instead of feature provider
int count = FeatureProvider.GetFeatureCount();
try
{
FeatureProvider.Add(lineString); // will add Cross Section and call ConnectCrossSectionToBranch
}
catch (Exception exception)
{
// an exception during add operation can fail; for example when adding a branch feature
log.Warn(exception.Message);
adding = false;
StopDrawing();
newLineGeometry.Clear();
return;
}
// was adding succesfull?
if ((1 + count) == FeatureProvider.GetFeatureCount())
{
IFeature feature = FeatureProvider.GetFeature(count);
//Layer.RenderRequired = true;
MapControl.SelectTool.Select(Layer, feature, 0);
}
}
else
{
// do not add a linestring with zero length
selectTool.Clear();
}
adding = false;
StopDrawing();
newLineGeometry.Clear();
}
Layer.RenderRequired = true;
MapControl.Refresh();
isBusy = false;
}
