79 lines
3.7 KiB
C#
79 lines
3.7 KiB
C#
using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Shapes;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class PipeJoin : INode {
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public const double SIZE = 18;
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public const double POINT = 4;
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public double CenterX { get; set; }
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public double CenterY { get; set; }
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public string Label { get; } = "";
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public ISet<IEdge> Inputs { get; init; }
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public ISet<IEdge> Outputs { get; init; }
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private Polygon? _rect;
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public PipeJoin(double x, double y) {
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CenterX = x;
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CenterY = y;
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Inputs = new HashSet<IEdge>();
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Outputs = new HashSet<IEdge>();
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}
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public void Draw(Canvas canvas) {
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bool? top = Inputs.Any(e => e.Start.CenterY < CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) ? false : Outputs.Any(e => e.End.CenterY < CenterY && (e.Orientation || e.Start.CenterX == CenterX)) ? true : null;
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bool? right = Inputs.Any(e => e.Start.CenterX > CenterX && (e.Orientation || e.Start.CenterY == CenterY)) ? false : Outputs.Any(e => e.End.CenterX > CenterX && (!e.Orientation || e.Start.CenterY == CenterY)) ? true : null;
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bool? bottom = Inputs.Any(e => e.Start.CenterY > CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) ? false : Outputs.Any(e => e.End.CenterY > CenterY && (e.Orientation || e.Start.CenterX == CenterX)) ? true : null;
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bool? left = Inputs.Any(e => e.Start.CenterX < CenterX && (e.Orientation || e.Start.CenterY == CenterY)) ? false : Outputs.Any(e => e.End.CenterX < CenterX && (!e.Orientation || e.Start.CenterY == CenterY)) ? true : null;
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var points = new List<Point> {
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new(0, 0)
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};
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if (top == true) {
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points.AddRange([new(SIZE / 2 - POINT, 0), new(SIZE / 2, -POINT), new(SIZE / 2 + POINT, 0)]);
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} else if (top == false) {
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points.AddRange([new(SIZE / 2 - POINT, 0), new(SIZE / 2, POINT), new(SIZE / 2 + POINT, 0)]);
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}
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points.Add(new(SIZE, 0));
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if (right == true) {
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points.AddRange([new(SIZE, SIZE / 2 - POINT), new(SIZE + POINT, SIZE / 2), new(SIZE, SIZE / 2 + POINT)]);
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} else if (right == false) {
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points.AddRange([new(SIZE, SIZE / 2 - POINT), new(SIZE - POINT, SIZE / 2), new(SIZE, SIZE / 2 + POINT)]);
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}
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points.Add(new(SIZE, SIZE));
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if (bottom == true) {
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points.AddRange([new(SIZE / 2 + POINT, SIZE), new(SIZE / 2, SIZE + POINT), new(SIZE / 2 - POINT, SIZE)]);
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} else if (bottom == false) {
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points.AddRange([new(SIZE / 2 + POINT, SIZE), new(SIZE / 2, SIZE - POINT), new(SIZE / 2 - POINT, SIZE)]);
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}
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points.Add(new(0, SIZE));
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if (left == true) {
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points.AddRange([new(0, SIZE / 2 + POINT), new(-POINT, SIZE / 2), new(0, SIZE / 2 - POINT)]);
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} else if (left == false) {
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points.AddRange([new(0, SIZE / 2 + POINT), new(POINT, SIZE / 2), new(0, SIZE / 2 - POINT)]);
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}
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_rect = new Polygon() {
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Points = [..points],
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Fill = Brushes.Black,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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};
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_rect.SetValue(Canvas.LeftProperty, CenterX - SIZE / 2);
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_rect.SetValue(Canvas.TopProperty, CenterY - SIZE / 2);
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canvas.Children.Add(_rect);
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}
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public bool Update(double x, double y) {
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var hover = Math.Abs(x - CenterX) <= SIZE / 2 && Math.Abs(y - CenterY) <= SIZE / 2;
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_rect?.Stroke = hover ? Brushes.Black : Brushes.Black;
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return hover;
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}
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}
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}
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