public static void FillCanvasWithAllNodes(Canvas c, Graph g)
{
c.Background = new SolidColorBrush(new System.Windows.Media.Color()
{
A = ((System.Drawing.Color)(Properties.Settings.Default["CanvasBackgroundBrushColour"])).A,
R = ((System.Drawing.Color)(Properties.Settings.Default["CanvasBackgroundBrushColour"])).R,
G = ((System.Drawing.Color)(Properties.Settings.Default["CanvasBackgroundBrushColour"])).G,
B = ((System.Drawing.Color)(Properties.Settings.Default["CanvasBackgroundBrushColour"])).B,
});
// Gett All Names and Sizes
List <string> allNodeNames = g.GetAllNodeNames().ToList();
List <Point> sizes = new List <Point>();
foreach (string name in allNodeNames)
{
sizes.Add(NodeEllipse.GetEllipseWidthAndHeightBasedOnText(name,
out _, g.GetNode(name)));
}
//allNodeNames.ForEach(x => Sizes.Add(NodeEllipse.GetEllipseWidthAndHeightBasedOnText(x)));
// Actually Fill the Canvas
for (int i = 0; i < allNodeNames.Count; i++)
{
Node n = g.GetNode(allNodeNames[i]);
NodeEllipse.AddNodeEllipse(c, g, n, new Point(n.Position.X, n.Position.Y));
}
for (int j = 0; j < c.Children.Count; j++)
{
if (c.Children[j] is NodeEllipse nodeEllipse)
{
nodeEllipse.InstantiateConnectionLines();
}
}
}
private static void AddNodeEllipse(Canvas c, Graph g, Node n, Point p)
{
NodeEllipse nodeEllipse = new NodeEllipse(c, g, n, p,
(int)Properties.Settings.Default["MinNodeEllipsePadding"]);
c.Children.Add(nodeEllipse);
}
private void AddConnectionLine(Node toNode)
{
NodeConnectionLine connectionLine = new NodeConnectionLine(this,
NodeEllipse.GetNodeEllipseByName(this._canvas, toNode.Name), this._canvas);
this._lines.Add(connectionLine);
}
public NodeConnectionLine(NodeEllipse fromNodeEllipse, NodeEllipse toNodeEllipse, Canvas c)
{
this.FromNodeEllipse = fromNodeEllipse;
this.ToNodeEllipse = toNodeEllipse;
this._canvas = c;
this._line = new Line()
{
Stroke = System.Windows.Media.Brushes.White,
StrokeThickness = 5,
};
Canvas.SetZIndex(this._line, -1);
this._canvas.Children.Add(this._line);
this._directionLines = new List <Line>()
{
new Line()
{
Stroke = System.Windows.Media.Brushes.White,
StrokeThickness = 2,
},
new Line()
{
Stroke = System.Windows.Media.Brushes.White,
StrokeThickness = 2,
}
};
Canvas.SetZIndex(this._directionLines[0], -1);
Canvas.SetZIndex(this._directionLines[1], -1);
this._canvas.Children.Add(this._directionLines[0]);
this._canvas.Children.Add(this._directionLines[1]);
this.UpdatePosition();
}
private void InstantiateContent(Point p, Brush strokeBrush, Brush textBrush, int minDistanceToText = 10, int zIndex = 3)
{
Point Size = NodeEllipse.GetEllipseWidthAndHeightBasedOnText(this._node.Name, minDistanceToText);
this._measurements = new Rect()
{
X = p.X,
Y = p.Y,
Width = Size.X,
Height = Size.Y
};
// Creating the Ellipse
this._ellipse = new Ellipse()
{
Fill = this._canvas.Background,
Stroke = strokeBrush,
Width = this._measurements.Width,
Height = this._measurements.Height
};
// Setting the Ellipse's coordinates
Canvas.SetLeft(this._ellipse, 0);
Canvas.SetTop(this._ellipse, 0);
Canvas.SetZIndex(this._ellipse, zIndex);
// Creating the TextBlock
this._textBlock = new TextBlock()
{
Text = this._node.Name,
TextAlignment = TextAlignment.Center,
Foreground = textBrush,
Width = Size.X - 2 * minDistanceToText,
Height = Size.Y - 2 * minDistanceToText
};
//// Applying the appropriate width and height of the TextBlock
//this._textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
//this._textBlock.Arrange(new Rect(this._textBlock.DesiredSize));
// Setting the Textblock's coordinates
Canvas.SetLeft(this._textBlock, 0 + minDistanceToText);
Canvas.SetTop(this._textBlock, 0 + minDistanceToText);
Canvas.SetZIndex(this._textBlock, zIndex + 1);
// Drawing
this.NodeEllipseCanvas.Children.Add(this._ellipse);
this.NodeEllipseCanvas.Children.Add(this._textBlock);
}
public NodeConnectionLine(NodeEllipse fromNodeEllipse, NodeEllipse toNodeEllipse, Canvas c)
{
this.FromNodeEllipse = fromNodeEllipse;
this.ToNodeEllipse = toNodeEllipse;
this._canvas = c;
this._line = new Line()
{
Stroke = new SolidColorBrush(new System.Windows.Media.Color {
A = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).B,
}),
StrokeThickness = 3,
};
Canvas.SetZIndex(this._line, -1);
this._canvas.Children.Add(this._line);
this._directionLines = new List <Line>()
{
new Line()
{
Stroke = new SolidColorBrush(new System.Windows.Media.Color {
A = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).B,
}),
StrokeThickness = 3,
},
new Line()
{
Stroke = new SolidColorBrush(new System.Windows.Media.Color {
A = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeConnectionNormalBrushColour"]).B,
}),
StrokeThickness = 3,
}
};
Canvas.SetZIndex(this._directionLines[0], 2);
Canvas.SetZIndex(this._directionLines[1], 2);
this._canvas.Children.Add(this._directionLines[0]);
this._canvas.Children.Add(this._directionLines[1]);
this.UpdatePosition();
}
public void SetCoordinates(Point p)
{
// Constrain the X Position
p.X = Clamp((int)p.X, 0, this._canvas.ActualWidth - this._measurements.Width);
// Constrain the Y Position
p.Y = Clamp(p.Y, 0, this._canvas.ActualHeight - this._measurements.Height);
this._measurements.X = p.X;
this._measurements.Y = p.Y;
p.X = Math.Max(0, p.X);
p.Y = Math.Max(0, p.Y);
this._node.Position = new System.Drawing.Point((int)p.X, (int)p.Y);
Canvas.SetLeft(this, p.X);
Canvas.SetTop(this, p.Y);
// Fix the OneWayConnectionBug
foreach (string name in this._graph.GetAllNodeNames())
{
if (this._node.Name != name && this._graph.GetNode(name).IsDirectlyConnectedToNode(this._node))
{
NodeEllipse.GetNodeEllipseByName(this._canvas, name).UpdateConnectionCoordinates();
}
}
this.UpdateConnectionCoordinates();
for (int i = 0; i < this._lines.Count; i++)
{
if (this._lines[i].ToNodeEllipse.GetNode().IsDirectlyConnectedToNode(this._node))
{
this._lines[i].ToNodeEllipse.UpdateConnectionCoordinates();
}
}
}
private void InstantiateContent(Point p, int zIndex = 3)
{
Point Size = NodeEllipse.GetEllipseWidthAndHeightBasedOnText(this._node.Name, out int minDistanceToText, this._node);
this._measurements = new Rect()
{
X = p.X,
Y = p.Y,
Width = Size.X,
Height = Size.Y
};
// Creating the Ellipse
this._ellipse = new Ellipse()
{
Stroke = new SolidColorBrush(
new System.Windows.Media.Color()
{
A = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseStrokeBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseStrokeBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseStrokeBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseStrokeBrushColour"]).B,
}),
Fill = new SolidColorBrush(
new System.Windows.Media.Color()
{
A = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseFillBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseFillBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseFillBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseFillBrushColour"]).B,
}),
Width = this._measurements.Width,
Height = this._measurements.Height
};
// Setting the Ellipse's coordinates
Canvas.SetLeft(this._ellipse, 0);
Canvas.SetTop(this._ellipse, 0);
Canvas.SetZIndex(this._ellipse, zIndex);
// Creating the TextBlock
this._textBlock = new TextBlock()
{
Text = this._node.Name,
TextAlignment = TextAlignment.Center,
Foreground = new SolidColorBrush(
new System.Windows.Media.Color()
{
A = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseTextBrushColour"]).A,
R = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseTextBrushColour"]).R,
G = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseTextBrushColour"]).G,
B = ((System.Drawing.Color)Properties.Settings.Default["NodeEllipseTextBrushColour"]).B,
}),
Width = Size.X - 2 * minDistanceToText,
Height = Size.Y - 2 * minDistanceToText
};
//// Applying the appropriate width and height of the TextBlock
//this._textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
//this._textBlock.Arrange(new Rect(this._textBlock.DesiredSize));
// Setting the Textblock's coordinates
Canvas.SetLeft(this._textBlock, minDistanceToText);
Canvas.SetTop(this._textBlock, minDistanceToText);
Canvas.SetZIndex(this._textBlock, zIndex + 1);
// Drawing
this.NodeEllipseCanvas.Children.Add(this._ellipse);
this.NodeEllipseCanvas.Children.Add(this._textBlock);
}