Ejemplo n.º 1
0
        public void Changed(object sender, PropertyChangedEventArgs e)
        {
            EdgeInfo source = sender as EdgeInfo;

            if (source != null)
            {
                switch (e.PropertyName)
                {
                case "tbX": Canvas.SetLeft(source, source.tbX); break;

                case "tbY": Canvas.SetTop(source, source.tbY); break;
                }
            }
        }
Ejemplo n.º 2
0
        void AddEdge(Vertex from, Vertex to, bool direct, int weight = 0)
        {
            EdgeShape l = new EdgeShape();

            CenterConverter cc1 = new CenterConverter();
            MultiBinding    b1  = new MultiBinding();

            b1.Converter = cc1;
            b1.Bindings.Add(new Binding()
            {
                Path = new PropertyPath("X"), Source = from
            });
            b1.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualWidthProperty.Name), Source = from
            });

            CenterConverter cc2 = new CenterConverter();
            MultiBinding    b2  = new MultiBinding();

            b2.Converter = cc2;
            b2.Bindings.Add(new Binding()
            {
                Path = new PropertyPath("Y"), Source = from
            });
            b2.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualHeightProperty.Name), Source = from
            });

            CenterConverter cc3 = new CenterConverter();
            MultiBinding    b3  = new MultiBinding();

            b3.Converter = cc3;
            b3.Bindings.Add(new Binding()
            {
                Path = new PropertyPath("X"), Source = to
            });
            b3.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualWidthProperty.Name), Source = to
            });

            CenterConverter cc4 = new CenterConverter();
            MultiBinding    b4  = new MultiBinding();

            b4.Converter = cc4;
            b4.Bindings.Add(new Binding()
            {
                Path = new PropertyPath("Y"), Source = to
            });
            b4.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualHeightProperty.Name), Source = to
            });

            HalfConverter ccg = new HalfConverter();
            Binding       bg  = new Binding();

            bg.Converter = ccg;
            bg.Path      = new PropertyPath(Vertex.ActualWidthProperty);
            bg.Source    = to;

            parentCanvas.Children.Add(l);
            l.SetBinding(EdgeShape.X1Property, b1);
            l.SetBinding(EdgeShape.Y1Property, b2);
            l.SetBinding(EdgeShape.X2Property, b3);
            l.SetBinding(EdgeShape.Y2Property, b4);
            l.SetBinding(EdgeShape.GapProperty, bg);
            l.HasArrow        = true;
            l.StrokeThickness = 1.5;
            l.HeadWidth       = 10;
            l.HeadHeight      = 3;
            l.HasArrow        = direct;
            l.MouseDown      += this.MyMouseDown;

            //Binding wi = new Binding();
            //wi.Path = new PropertyPath(EdgeShape.ActualWidthProperty);
            //wi.Source = l;
            //parentCanvas.SetBinding(Canvas.WidthProperty, wi);
            //Binding he = new Binding();
            //he.Path = new PropertyPath(EdgeShape.ActualHeightProperty);
            //he.Source = l;
            //parentCanvas.SetBinding(Canvas.HeightProperty, he);

            if (inverted)
            {
                l.Stroke = Brushes.DarkRed;
                if (minus)
                {
                    minus       = false;
                    l.Curveture = -1 * linenum * 100;
                }
                else
                {
                    minus       = true;
                    l.Curveture = linenum * 100;
                    linenum++;
                }
            }
            else
            {
                l.Stroke = Brushes.DarkGreen;
                if (minus)
                {
                    minus       = false;
                    l.Curveture = linenum * 100;
                }
                else
                {
                    minus       = true;
                    l.Curveture = -1 * linenum * 100;
                    linenum++;
                }
            }

            EdgeInfo t = new EdgeInfo();

            t.MouseDown += this.MyMouseDown;

            CenterConverter2 cc5 = new CenterConverter2();
            MultiBinding     b5  = new MultiBinding();

            b5.Converter = cc5;
            b5.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(EdgeShape.TopXProperty.Name), Source = l
            });
            b5.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualWidthProperty.Name), Source = t
            });

            CenterConverter2 cc6 = new CenterConverter2();
            MultiBinding     b6  = new MultiBinding();

            b6.Converter = cc6;
            b6.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(EdgeShape.TopYProperty.Name), Source = l
            });
            b6.Bindings.Add(new Binding()
            {
                Path = new PropertyPath(Vertex.ActualHeightProperty.Name), Source = t
            });

            //Binding tbX = new Binding();
            //tbX.Source = l;
            //tbX.Path = new PropertyPath(EdgeShape.TopXProperty);
            //Binding tbY = new Binding();
            //tbY.Source = l;
            //tbY.Path = new PropertyPath(EdgeShape.TopYProperty);

            t.SetBinding(EdgeInfo.eiXProperty, b5);
            t.SetBinding(EdgeInfo.eiYProperty, b6);
            t.PropertyChanged += Changed;
            parentCanvas.Children.Add(t);
            t.Txt = weight.ToString();
        }