public Point? LoadElementPosition(GroupableNode node)
{
if (ShapePositions.Any(x => x.Key == node.Id))
{
return ShapePositions.First(x => x.Key == node.Id).Value;
}
return null;
}
public Point? LoadElementPosition(GroupableNode node)
{
Debug.Assert(ShapePositions != null, "Shape positions not initialized");
if (ShapePositions.Any(x => x.Key == node.Id))
{
return ShapePositions.First(x => x.Key == node.Id).Value;
}
return null;
}
public void RemoveChild(GroupableNode child)
{
this.ChildNodes.Remove(child);
RecalculateHeight();
}
public void AddChild(GroupableNode child)
{
this.ChildNodes.Add(child);
this.RecalculateHeight();
}
public void SaveElementPosition(GroupableNode node, Point? point)
{
if (ShapePositions.Any(x => x.Key == node.Id))
{
ShapePositions.Remove(node.Id);
}
if (point.HasValue)
{
ShapePositions.Add(node.Id, point.Value);
}
// Saving into file
if (this.FilePath != null)
{
var fileContent = JsonConvert.SerializeObject(this.ShapePositions);
File.WriteAllText(this.FilePath, fileContent);
}
}
public void RemoveElementPosition(GroupableNode node)
{
this.SaveElementPosition(node, null);
}
private Point CalculateElementPosition(GroupableNode node)
{
var x = 50.0;
var y = 100.0;
if (node is EndpointNode)
{
var leftAlignment = GetYPosition(Endpoint_LeftAlignment);
var rightAlignment = GetYPosition(Endpoint_RightAlignment);
if (leftAlignment <= rightAlignment)
{
x = Endpoint_LeftAlignment;
}
else
{
x = Endpoint_RightAlignment;
}
}
else if (node is CommandNode || node is EventNode)
{
x = Message_Alignment;
}
y = GetYPosition(x);
return new Point(x, y);
}
public void SetElementPosition(GroupableNode node)
{
var position = this.LoadElementPosition(node);
if (!position.HasValue)
{
position = this.CalculateElementPosition(node);
this.SaveElementPosition(node, position.Value);
}
node.BoundsChanged += (s, e) => this.SaveElementPosition(node, node.Bounds.Location);
node.Bounds = new Rect (position.Value, node.Bounds.Size);
}
public void SaveElementPosition(GroupableNode node, Point? point)
{
if (ShapePositions.Any(x => x.Key == node.Id))
{
ShapePositions.Remove(node.Id);
}
if (point.HasValue)
{
ShapePositions.Add(node.Id, point.Value);
}
// Saving into file
if (this.FilePath != null)
{
try
{
var fileContent = JsonConvert.SerializeObject(this.ShapePositions);
File.WriteAllText(this.FilePath, fileContent);
}
catch (Exception ex)
{
tracer.Error(ex, "Cannot save shape positions to DiagramShapePositions.json.");
}
}
}
public void RemoveChild(GroupableNode child)
{
this.ChildNodes.Remove(child);
RecalculateHeight();
}
public void AddChild(GroupableNode child)
{
this.ChildNodes.Add(child);
this.RecalculateHeight();
}
