private void PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (e.Source == _sourceElement)
{
return;
}
if (e.Source is VertexVisual)
{
VertexVisual vv = (VertexVisual)e.Source;
_isDown = true;
SetSourceElement(vv);
_startPoint = e.GetPosition(GraphPanel);//new Point(e.GetPosition(pnlMap).X / Zoom, e.GetPosition(pnlMap).Y / Zoom);
_positionOnSource = new Point(_startPoint.X - vv.Node.Location.X * Zoom, _startPoint.Y - vv.Node.Location.Y * Zoom);
GraphPanel.CaptureMouse();
e.Handled = true;
}
else if (e.Source is EdgeVisual)
{
EdgeVisual ev = (EdgeVisual)e.Source;
_isDown = true;
SetSourceElement(ev);
e.Handled = true;
}
else if (e.Source is Ellipse)
{
_isDown = true;
SetSourceElement(e.Source);
e.Handled = true;
}
}
private void AddEdge()
{
WayPoint from = _selectedVertexFrom, to = _selectedVertexTo;
EdgeVisual ev = new EdgeVisual(new PathFigure(from.Location, new List <PathSegment>()
{
new LineSegment(to.Location, true)
}, false))
{
NodeFrom = from,
NodeTo = to,
Zoom = Zoom
};
_edges.Add(ev);
GraphPanel.Children.Insert(0, ev);
//_selectedVertexFrom.OutCount++;
//_selectedVertexTo.InCount++;
}
private void AddEdge()
{
WayPoint from = _selectedVertexFrom, to = _selectedVertexTo;
EdgeVisual ev = new EdgeVisual(new PathFigure(from.Location, new List<PathSegment>() { new LineSegment(to.Location, true) }, false))
{
NodeFrom = from,
NodeTo = to,
Zoom = Zoom
};
_edges.Add(ev);
GraphPanel.Children.Insert(0, ev);
//_selectedVertexFrom.OutCount++;
//_selectedVertexTo.InCount++;
}
public RoadGraphConfigViewModel(ScenarioModel scenario)
{
if (scenario == null)
{
throw new ArgumentNullException("scenario is null");
}
GraphPanel = new Canvas();
GraphPanel.MouseLeftButtonUp += (s, e) => MouseLeftButtonUp(s, e);
GraphPanel.PreviewMouseLeftButtonDown += (s, e) => PreviewMouseLeftButtonDown(s, e);
GraphPanel.PreviewMouseLeftButtonUp += (s, e) => PreviewMouseLeftButtonUp(s, e);
GraphPanel.PreviewMouseMove += (s, e) => PreviewMouseMove(s, e);
Services = scenario.Services;
_vertexes = new List<VertexVisual>();
_edges = new List<EdgeVisual>();
RoadGraph = new Graph<WayPoint, PathFigure>();
if (scenario.RoadGraph != null)
{
foreach (var edge in scenario.RoadGraph.Edges)
{
var pathGeom = PathGeometry.CreateFromGeometry(PathGeometry.Parse(edge.Data));
EdgeVisual ev = new EdgeVisual(pathGeom.Figures.First())
{
NodeFrom = edge.Start,
NodeTo = edge.End,
Zoom = Zoom
};
_edges.Add(ev);
GraphPanel.Children.Add(ev);
}
foreach (var node in scenario.RoadGraph.Nodes)
{
//int in_count = 0, out_count = 0;
//foreach (var edge in RoadGraph.GetEdgesTo(node))
//{
// in_count++;
//}
//foreach (var edge in RoadGraph.GetEdgesFrom(node))
//{
// out_count++;
//}
VertexVisual vv = new VertexVisual(node)
{
//InCount = in_count,
//OutCount = out_count,
Zoom = Zoom
};
_vertexes.Add(vv);
GraphPanel.Children.Add(vv);
}
}
GraphPanel.Width = scenario.Map[0].Width;
GraphPanel.Height = scenario.Map[0].Height;
if (scenario.Map[0].Substrate!= null)
{
GraphPanel.Background = new ImageBrush(Helpers.Imaging.ImageManager.BitmapToBitmapImage(scenario.Map[0].Substrate));
}
}
public RoadGraphConfigViewModel(ScenarioModel scenario)
{
if (scenario == null)
{
throw new ArgumentNullException("scenario is null");
}
GraphPanel = new Canvas();
GraphPanel.MouseLeftButtonUp += (s, e) => MouseLeftButtonUp(s, e);
GraphPanel.PreviewMouseLeftButtonDown += (s, e) => PreviewMouseLeftButtonDown(s, e);
GraphPanel.PreviewMouseLeftButtonUp += (s, e) => PreviewMouseLeftButtonUp(s, e);
GraphPanel.PreviewMouseMove += (s, e) => PreviewMouseMove(s, e);
Services = scenario.Services;
_vertexes = new List <VertexVisual>();
_edges = new List <EdgeVisual>();
RoadGraph = new Graph <WayPoint, PathFigure>();
if (scenario.RoadGraph != null)
{
foreach (var edge in scenario.RoadGraph.Edges)
{
var pathGeom = PathGeometry.CreateFromGeometry(PathGeometry.Parse(edge.Data));
EdgeVisual ev = new EdgeVisual(pathGeom.Figures.First())
{
NodeFrom = edge.Start,
NodeTo = edge.End,
Zoom = Zoom
};
_edges.Add(ev);
GraphPanel.Children.Add(ev);
}
foreach (var node in scenario.RoadGraph.Nodes)
{
//int in_count = 0, out_count = 0;
//foreach (var edge in RoadGraph.GetEdgesTo(node))
//{
// in_count++;
//}
//foreach (var edge in RoadGraph.GetEdgesFrom(node))
//{
// out_count++;
//}
VertexVisual vv = new VertexVisual(node)
{
//InCount = in_count,
//OutCount = out_count,
Zoom = Zoom
};
_vertexes.Add(vv);
GraphPanel.Children.Add(vv);
}
}
GraphPanel.Width = scenario.Map[0].Width;
GraphPanel.Height = scenario.Map[0].Height;
if (scenario.Map[0].Substrate != null)
{
GraphPanel.Background = new ImageBrush(Helpers.Imaging.ImageManager.BitmapToBitmapImage(scenario.Map[0].Substrate));
}
}
private void SetSourceElement(object value)
{
//Снимаем выделение предыдущего элемента
if (_sourceElement != null && !(value is Ellipse))
{
if (_sourceElement is VertexVisual)
{
((VertexVisual)_sourceElement).IsSelected = false;
}
if (_sourceElement is EdgeVisual)
{
((EdgeVisual)_sourceElement).IsSelected = false;
foreach (var el in elList)
{
el.Visibility = Visibility.Hidden;
}
}
}
_sourceElement = value;
if (_sourceElement is EdgeVisual)
{
EdgeVisual ev = _sourceElement as EdgeVisual;
ev.IsSelected = true;
if (elList.Count == 0)
{
if (ev.PathData.Segments[0] is BezierSegment)
{
AddEllipseOnParentPanel((ev.PathData.Segments[0] as BezierSegment).Point1, true);
AddEllipseOnParentPanel((ev.PathData.Segments[0] as BezierSegment).Point2, false);
}
else if (ev.PathData.Segments[0] is LineSegment)
{
Point endPoint = (ev.PathData.Segments[0] as LineSegment).Point;
Point controlPoint = new Point((ev.PathData.StartPoint.X + endPoint.X) / 2, (ev.PathData.StartPoint.Y + endPoint.Y) / 2);
ev.PathData.Segments.Clear();
ev.PathData.Segments.Add(new BezierSegment(controlPoint, controlPoint, endPoint, true));
AddEllipseOnParentPanel((ev.PathData.Segments[0] as BezierSegment).Point1, true);
AddEllipseOnParentPanel((ev.PathData.Segments[0] as BezierSegment).Point2, false);
}
}
else
{
foreach (var el in elList)
{
el.Visibility = Visibility.Visible;
}
if (ev.PathData.Segments[0] is BezierSegment)
{
elList[0].SetValue(Canvas.TopProperty, (ev.PathData.Segments[0] as BezierSegment).Point1.Y * Zoom);
elList[0].SetValue(Canvas.LeftProperty, (ev.PathData.Segments[0] as BezierSegment).Point1.X * Zoom);
elList[1].SetValue(Canvas.TopProperty, (ev.PathData.Segments[0] as BezierSegment).Point2.Y * Zoom);
elList[1].SetValue(Canvas.LeftProperty, (ev.PathData.Segments[0] as BezierSegment).Point2.X * Zoom);
}
else if (ev.PathData.Segments[0] is LineSegment)
{
Point endPoint = (ev.PathData.Segments[0] as LineSegment).Point;
Point controlPoint = new Point((ev.PathData.StartPoint.X + endPoint.X) / 2, (ev.PathData.StartPoint.Y + endPoint.Y) / 2);
ev.PathData.Segments.Clear();
ev.PathData.Segments.Add(new BezierSegment(controlPoint, controlPoint, endPoint, true));
elList[0].SetValue(Canvas.TopProperty, (ev.PathData.Segments[0] as BezierSegment).Point1.Y * Zoom);
elList[0].SetValue(Canvas.LeftProperty, (ev.PathData.Segments[0] as BezierSegment).Point1.X * Zoom);
elList[1].SetValue(Canvas.TopProperty, (ev.PathData.Segments[0] as BezierSegment).Point2.Y * Zoom);
elList[1].SetValue(Canvas.LeftProperty, (ev.PathData.Segments[0] as BezierSegment).Point2.X * Zoom);
}
}
}
else if (_sourceElement is VertexVisual)
{
var vertex = (VertexVisual)_sourceElement;
vertex.IsSelected = true;
IsServicePoint = vertex.Node.IsServicePoint;
if (IsServicePoint && vertex.Node.ServiceId.HasValue)
{
SelectedService = Services.FirstOrDefault(s => s.Id == vertex.Node.ServiceId);
}
}
else if (!(_sourceElement is Ellipse))
{
_sourceElement = null;
}
OnPropertyChanged("CanEditService");
}
