114 lines
4.0 KiB
C#
114 lines
4.0 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.Media.Animation;
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using System.Windows.Shapes;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class ConveyorBelt : INode {
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public const double WIDTH = 30;
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public const double HEIGHT = 120;
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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; set; }
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public ISet<IEdge> Inputs { get; init; }
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public ISet<IEdge> Outputs { get; init; }
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public bool IsActive => CallbackActive();
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public bool IsAnimationActive {
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get => _animationActive;
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set {
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_animationActive = value;
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if (value) {
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_storyboard?.Resume();
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} else {
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_storyboard?.Pause();
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}
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}
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}
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protected Func<bool> CallbackActive;
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private bool _animationActive;
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private Shape? _rect;
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private Polyline? _polyline;
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private Storyboard? _storyboard;
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public ConveyorBelt(string label, double x, double y, Func<bool> cbActive) {
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CenterX = x;
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CenterY = y;
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Label = label;
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CallbackActive = cbActive;
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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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_rect = new Rectangle() {
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Width = WIDTH,
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Height = HEIGHT,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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Fill = Brushes.WhiteSmoke,
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StrokeLineJoin = PenLineJoin.Round,
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};
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_rect.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
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_rect.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
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var d = 15;
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int n = (int)(HEIGHT / d) + 2;
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_polyline = new Polyline() {
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Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
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new(-WIDTH, i * d), new(WIDTH, i * d), new(-WIDTH, i * d)
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})],
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Fill = Brushes.Transparent,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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};
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_polyline.SetValue(Canvas.TopProperty, 0.0);
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var slideUp = new DoubleAnimation {
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From = 0,
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To = -d,
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Duration = new Duration(TimeSpan.FromSeconds(1)),
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RepeatBehavior = RepeatBehavior.Forever,
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};
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_storyboard = new Storyboard();
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_storyboard.Children.Add(slideUp);
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Storyboard.SetTarget(slideUp, _polyline);
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Storyboard.SetTargetProperty(slideUp, new PropertyPath(Canvas.TopProperty));
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var clipCanvas = new Canvas() {
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Width = WIDTH - 15,
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Height = HEIGHT - 8,
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ClipToBounds = true,
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};
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clipCanvas.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2 + 4);
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clipCanvas.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2 + 7.5);
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clipCanvas.Children.Add(_polyline);
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canvas.Children.Add(_rect);
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canvas.Children.Add(clipCanvas);
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_storyboard.Begin();
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_storyboard.Pause();
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}
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public bool IsInside(double x, double y) {
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return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
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}
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public void Update(bool isHovering, bool isPressed) {
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IsAnimationActive = IsActive;
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_rect?.Fill =
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IsAnimationActive && isHovering && isPressed ? PamhagenBrushes.Red :
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IsAnimationActive && isHovering ? PamhagenBrushes.Red :
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!IsAnimationActive && isHovering && isPressed ? PamhagenBrushes.Green :
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!IsAnimationActive && isHovering ? PamhagenBrushes.Green :
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IsAnimationActive ? PamhagenBrushes.Green :
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Brushes.WhiteSmoke;
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}
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}
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}
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