Files
pamhagen-sysctrl/PamhagenSysCtrl/Helpers/Pipeline/Valve.cs
T
2026-07-13 01:15:01 +02:00

67 lines
2.2 KiB
C#

using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;
namespace PamhagenSysCtrl.Helpers.Pipeline {
public class Valve : INode {
public const double RADIUS = 24;
public double CenterX { get; set; }
public double CenterY { get; set; }
public string Label { get; set; }
public bool IsOpen => CallbackIsOpen();
public bool WantOpen => CallbackWantOpen();
public ISet<IEdge> Inputs { get; init; }
public ISet<IEdge> Outputs { get; init; }
protected Func<bool> CallbackIsOpen;
protected Func<bool> CallbackWantOpen;
private Ellipse? _circle;
private TextBlock? _text;
public Valve(string label, double x, double y, Func<bool> cbOpen, Func<bool> cbWant) {
CenterX = x;
CenterY = y;
Label = label;
CallbackIsOpen = cbOpen;
CallbackWantOpen = cbWant;
Inputs = new HashSet<IEdge>();
Outputs = new HashSet<IEdge>();
}
public void Draw(Canvas canvas) {
_circle = new() {
Height = RADIUS,
Width = RADIUS,
Fill = Brushes.DarkGray,
Stroke = Brushes.Black,
StrokeThickness = 2,
};
_circle.SetValue(Canvas.LeftProperty, CenterX - RADIUS / 2);
_circle.SetValue(Canvas.TopProperty, CenterY - RADIUS / 2);
_text = new() {
Text = Label,
FontSize = 10,
Width = RADIUS,
Height = RADIUS,
TextAlignment = TextAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
};
_text.SetValue(Canvas.LeftProperty, CenterX - RADIUS / 2);
_text.SetValue(Canvas.TopProperty, CenterY - RADIUS / 2 + 5);
canvas.Children.Add(_circle);
canvas.Children.Add(_text);
}
public bool Update(double x, double y) {
var hover = Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= RADIUS / 2;
_circle?.Fill = hover ? Brushes.LightGray : Brushes.DarkGray;
return hover;
}
}
}