protected void OnMouseMove(object sender, MouseEventArgs e)
{
if (_isLeftMouseDown)
{
Point newNodePosition = e.GetPosition(null);
UIElement uiElement = this;
double newXCoord = newNodePosition.X + _nodeOffset.X;
double newYCoord = newNodePosition.Y + _nodeOffset.Y;
ScaleTransform scaleTransform = FindName("scaleTransform") as ScaleTransform;
if (scaleTransform != null)
{
newXCoord = newNodePosition.X / scaleTransform.ScaleX + _nodeOffset.X;
newYCoord = newNodePosition.Y / scaleTransform.ScaleY + _nodeOffset.Y;
}
if (!IsSelected)
{
foreach (INodeRenderer renderer in ParentNavigatorView.NodeRenderers.Values)
{
if (renderer.IsSelected && renderer.Node.Id != this.Node.Id)
{
renderer.IsSelected = false;
}
}
foreach (IRelationshipRenderer relRenderer in ParentNavigatorView.RelationshipRenderers.Values)
{
if (relRenderer.IsSelected)
{
relRenderer.IsSelected = false;
}
}
}
MoveNode(new Point(newXCoord, newYCoord), false);
if (NodePositionUpdating != null && _nodeDirty)
{
NodePositionUpdating.Invoke(this, null);
}
}
}
public void MoveNode(Point newLocation, bool forceRelationshipUpdate)
{
this.SetValue(Canvas.LeftProperty, newLocation.X);
this.SetValue(Canvas.TopProperty, newLocation.Y);
if (!_nodeDirty)
{
_originalLocation = Location;
}
if (newLocation != Location)
{
_nodeDirty = true;
Location = newLocation;
}
if (forceRelationshipUpdate)
{
if (NodePositionUpdating != null && _nodeDirty)
{
NodePositionUpdating.Invoke(this, null);
}
}
}
