Files
pamhagen-sysctrl/PamhagenSysCtrl/Helpers/Pipeline/Trough.cs
T

78 lines
2.7 KiB
C#

using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;
namespace PamhagenSysCtrl.Helpers.Pipeline {
public class Trough : INode, ISource {
public const double WIDTH = 100;
public const double HEIGHT = 60;
public double CenterX { get; set; }
public double CenterY { get; set; }
public double BottomY => CenterY + HEIGHT / 2;
public string Label { get; set; }
public FillState FillState => CallbackFillState();
public bool IsFilled => FillState != FillState.Empty;
public ISet<IEdge> Inputs { get; init; }
public ISet<IEdge> Outputs { get; init; }
protected Func<FillState> CallbackFillState;
private Shape? _inner;
private Shape? _outer;
private TextBlock? _text;
public Trough(string label, double x, double y, Func<FillState> cbFillState) {
CenterX = x;
CenterY = y;
Label = label;
CallbackFillState = cbFillState;
Inputs = new HashSet<IEdge>();
Outputs = new HashSet<IEdge>();
}
public void Draw(Canvas canvas) {
_outer = new Rectangle() {
Width = WIDTH,
Height = HEIGHT,
Fill = Brushes.Black,
};
_inner = new Rectangle() {
Width = WIDTH - 4,
Height = HEIGHT - 2,
Fill = Brushes.WhiteSmoke,
};
_text = new() {
Text = Label,
FontSize = 14,
Width = WIDTH,
TextAlignment = TextAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
};
_outer.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
_outer.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
_inner.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2 + 2);
_inner.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
_text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
_text.SetValue(Canvas.TopProperty, CenterY - 10);
canvas.Children.Add(_outer);
canvas.Children.Add(_inner);
canvas.Children.Add(_text);
}
public bool IsInside(double x, double y) {
return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
}
public void Update(bool isHovering, bool isPressed) {
_inner?.Fill = PamhagenBrushes.ForFillState(FillState,
isHovering && isPressed ? Brushes.DarkGray :
isHovering ? Brushes.LightGray :
Brushes.WhiteSmoke
);
}
}
}