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 DragMoved() { Point CurrentPosition = Mouse.GetPosition(GraphPanel); if (_sourceElement is VertexVisual) { VertexVisual vv = (VertexVisual)_sourceElement; WayPoint prePoint = (WayPoint)vv.Node.Clone(); vv.Location = new Point((CurrentPosition.X - _positionOnSource.X) / Zoom, (CurrentPosition.Y - _positionOnSource.Y) / Zoom); for (int i = 0; i < _edges.Count; i++) { if (_edges[i].NodeFrom == vv.Node) { _edges[i].PathData.StartPoint = vv.Node.Location; } if (_edges[i].NodeTo == vv.Node) { if (_edges[i].PathData.Segments[0] is LineSegment) { (_edges[i].PathData.Segments[0] as LineSegment).Point = vv.Node.Location; } else if (_edges[i].PathData.Segments[0] is BezierSegment) { (_edges[i].PathData.Segments[0] as BezierSegment).Point3 = vv.Node.Location; } } _edges[i].InvalidateVisual(); } } else if (_sourceElement is Ellipse) { Ellipse el = (Ellipse)_sourceElement; bool is_first = (bool)el.Tag; Point newLocation = new Point((CurrentPosition.X - _positionOnSource.X) / Zoom, (CurrentPosition.Y - _positionOnSource.Y) / Zoom); el.SetValue(Canvas.TopProperty, newLocation.Y * Zoom); el.SetValue(Canvas.LeftProperty, newLocation.X * Zoom); for (int i = 0; i < _edges.Count; i++) { if (_edges[i].IsSelected) { if (is_first) { (_edges[i].PathData.Segments[0] as BezierSegment).Point1 = newLocation; } else { (_edges[i].PathData.Segments[0] as BezierSegment).Point2 = newLocation; } _edges[i].InvalidateVisual(); return; } } } }
private void MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { Point position = e.GetPosition(GraphPanel); WayPoint wp = new WayPoint() { Location = new Point(position.X / Zoom, position.Y / Zoom), Name = (_vertexes.Count + 1).ToString() }; VertexVisual vv = new VertexVisual(wp) { Zoom = Zoom }; _vertexes.Add(vv); OnPropertyChanged("Vertexes"); GraphPanel.Children.Add(vv); }
private void MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { Point position = e.GetPosition(GraphPanel); WayPoint wp = new WayPoint() { Location = new Point(position.X / Zoom, position.Y / Zoom), Name = (_vertexes.Count + 1).ToString() }; VertexVisual vv = new VertexVisual(wp) { Zoom = Zoom }; _vertexes.Add(vv); OnPropertyChanged("Vertexes"); GraphPanel.Children.Add(vv); }
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)); } }