Display filling level

PamhagenSysCtrl/Helpers/Pipeline/Trough.cs

@@ -13,21 +13,22 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public double CenterY { get; set; }
         public double BottomY => CenterY + HEIGHT / 2;
         public string Label { get; set; }
-        public bool IsFilled => CallbackIsFilled();
+        public FillState FillState => CallbackFillState();
+        public bool IsFilled => FillState != FillState.Empty;
         public ISet<IEdge> Inputs { get; init; }
         public ISet<IEdge> Outputs { get; init; }
 
-        protected Func<bool> CallbackIsFilled;
+        protected Func<FillState> CallbackFillState;
 
         private Shape? _inner;
         private Shape? _outer;
         private TextBlock? _text;
 
-        public Trough(string label, double x, double y, Func<bool> cbFilled) {
+        public Trough(string label, double x, double y, Func<FillState> cbFillState) {
             CenterX = x;
             CenterY = y;
             Label = label;
-            CallbackIsFilled = cbFilled;
+            CallbackFillState = cbFillState;
             Inputs = new HashSet<IEdge>();
             Outputs = new HashSet<IEdge>();
         }
@@ -45,7 +46,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             };
             _text = new() {
                 Text = Label,
-                FontSize = 12,
+                FontSize = 14,
                 Width = WIDTH,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
@@ -55,7 +56,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             _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 - 8);
+            _text.SetValue(Canvas.TopProperty, CenterY - 10);
             canvas.Children.Add(_outer);
             canvas.Children.Add(_inner);
             canvas.Children.Add(_text);
@@ -66,7 +67,11 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Update(bool isHovering, bool isPressed) {
-            _inner?.Fill = isHovering ? Brushes.LightGray : Brushes.WhiteSmoke;
+            _inner?.Fill = PamhagenBrushes.ForFillState(FillState,
+                isHovering && isPressed ? Brushes.DarkGray :
+                isHovering ? Brushes.LightGray :
+                Brushes.WhiteSmoke
+            );
         }
     }
 }