public void InsertVertex(/*bool forceDrag = false*/)
{
if (PrevThumb != null && NextThumb != null)
{
int prevIndex = PrevThumb.GetIndex();
int nextIndex = NextThumb.GetIndex();
int newIndex = nextIndex > prevIndex ? nextIndex : prevIndex + 1; //Correct handling of closed curves
(Figure.Segments[0] as PolyLineSegment).Points.Insert(newIndex, new Point(Canvas.GetLeft(this) / Scale, Canvas.GetTop(this) / Scale));
MoveThumb moveThumb = new MoveThumb(ParentCanvas, Figure, newIndex, Scale, ThumbList /*, IsDragging || forceDrag*/);
ThumbList.Insert(newIndex, moveThumb);
moveThumb.PrevThumb = PrevThumb;
moveThumb.NextThumb = NextThumb;
PrevThumb.NextThumb = moveThumb;
NextThumb.PrevThumb = moveThumb;
prevIndex = PrevThumb.GetIndex();
nextIndex = NextThumb.GetIndex();
//DependencyObject p = LogicalTreeHelper.GetParent(this);
//MapCanvas parent = (MapCanvas)VisualTreeHelper.GetParent(this);
//MapCanvas parent = ((MapCanvas)Parent);
InsertThumb prevInsertThumb = new InsertThumb(ParentCanvas, Figure, prevIndex, newIndex, Scale, ThumbList);
prevInsertThumb.PrevThumb = PrevThumb;
prevInsertThumb.NextThumb = moveThumb;
moveThumb.PrevInsertThumb = prevInsertThumb;
PrevThumb.NextInsertThumb = prevInsertThumb;
ParentCanvas.Children.Add(prevInsertThumb);
InsertThumb nextInsertThumb = new InsertThumb(ParentCanvas, Figure, newIndex, nextIndex, Scale, ThumbList);
nextInsertThumb.PrevThumb = moveThumb;
nextInsertThumb.NextThumb = NextThumb;
moveThumb.NextInsertThumb = nextInsertThumb;
NextThumb.PrevInsertThumb = nextInsertThumb;
ParentCanvas.Children.Add(nextInsertThumb);
ParentCanvas.Children.Remove(this);
ParentCanvas.Children.Add(moveThumb);
}
}
private void PlaceThumbs(PathGeometry pathGeometry)
{
double scale = Map.Scale;
foreach (PathFigure figure in pathGeometry.Figures)
{
PointCollection points = (figure.Segments[0] as PolyLineSegment).Points;
List <MoveThumb> thumbs = new List <MoveThumb>();
allMoveThumbs.Add(thumbs);
List <InsertThumb> insertThumbs = new List <InsertThumb>();
for (int i = 0; i < points.Count; i++)
{
MoveThumb thumb = new MoveThumb(this, figure, i, scale, thumbs);
thumbs.Add(thumb);
}
for (int i = 1; i < thumbs.Count - 1; i++)
{
MoveThumb thumb = thumbs[i];
thumb.PrevThumb = thumbs[i - 1];
thumb.NextThumb = thumbs[i + 1];
InsertThumb prevInsertThumb = new InsertThumb(this, figure, i - 1, i, scale, thumbs);
prevInsertThumb.PrevThumb = thumb.PrevThumb;
prevInsertThumb.NextThumb = thumb;
insertThumbs.Add(prevInsertThumb);
thumb.PrevInsertThumb = prevInsertThumb;
thumb.PrevThumb.NextInsertThumb = prevInsertThumb;
}
MoveThumb startThumb = thumbs[0];
MoveThumb lastThumb = thumbs[thumbs.Count - 1];
startThumb.NextThumb = thumbs[1];
startThumb.NextInsertThumb = startThumb.NextThumb.PrevInsertThumb;
lastThumb.PrevThumb = thumbs[thumbs.Count - 2];
lastThumb.PrevInsertThumb = lastThumb.PrevThumb.NextInsertThumb;
InsertThumb lastPrevInsertThumb = new InsertThumb(this, figure, thumbs.Count - 2, thumbs.Count - 1, scale, thumbs);
lastPrevInsertThumb.PrevThumb = lastThumb.PrevThumb;
lastPrevInsertThumb.NextThumb = lastThumb;
insertThumbs.Add(lastPrevInsertThumb);
lastThumb.PrevInsertThumb = lastPrevInsertThumb;
lastThumb.PrevThumb.NextInsertThumb = lastPrevInsertThumb;
if (figure.IsClosed)
{
startThumb.PrevThumb = lastThumb;
lastThumb.NextThumb = startThumb;
InsertThumb insertThumb = new InsertThumb(this, figure, thumbs.Count - 1, 0, scale, thumbs);
insertThumb.PrevThumb = lastThumb;
insertThumb.NextThumb = startThumb;
insertThumbs.Add(insertThumb);
startThumb.PrevInsertThumb = insertThumb;
lastThumb.NextInsertThumb = insertThumb;
}
foreach (MoveThumb thumb in thumbs)
{
Children.Add(thumb);
}
foreach (InsertThumb thumb in insertThumbs)
{
Children.Add(thumb);
}
}
}