Add pipe labels

PamhagenSysCtrl/Helpers/PamhagenGraph.cs

@@ -108,13 +108,13 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(x4, v6, true);
             CreatePipe(x6, v7);
             CreatePipe(x6, v8);
-            CreatePipe(v7, v9);
+            CreatePipe(v7, v9, label: "Ltg. 2", labelOffsetX: 30);
 
             var xv15 = new PipeJoin(ltg1X, wt1Y + 40);
             var xv11 = new PipeJoin(ltg2X, wt1Y + 70);
             var x7 = new PipeJoin(ltg2X, 460);
 
-            CreatePipe(v5, xv15);
+            CreatePipe(v5, xv15, label: "Ltg. 1", labelOffsetX: 30);
             CreatePipe(v9, x7);
             CreatePipe(x7, xv11);
 
@@ -181,8 +181,8 @@ namespace PamhagenSysCtrl.Helpers {
             var v22 = CreateValve(22, t1X - 15, tValveY);
             var v23 = CreateValve(23, t1X + 15, tValveY);
             var t1 = CreateTank(1, t1X, tanksY, 35000);
-            CreatePipe(xv20, xv22, true);
-            CreatePipe(xv21, xv23, true);
+            CreatePipe(xv20, xv22, true, label: "Ltg. 7", labelOffsetX: 50);
+            CreatePipe(xv21, xv23, true, label: "Ltg. 6", labelOffsetX: 20);
             CreatePipe(xv22, v22);
             CreatePipe(xv23, v23);
             CreateInlet(v22, t1);
@@ -234,8 +234,8 @@ namespace PamhagenSysCtrl.Helpers {
             var v32 = CreateValve(32, t5X - 15, tValveY);
             var v33 = CreateValve(33, t5X + 15, tValveY);
             var t5 = CreateTank(5, t5X, tanksY, 35000);
-            CreatePipe(xv30, xv32);
-            CreatePipe(xv31, xv33);
+            CreatePipe(xv30, xv32, label: "Ltg. 7", labelOffsetX: 30);
+            CreatePipe(xv31, xv33, label: "Ltg. 6", labelOffsetX: 0);
             CreatePipe(xv32, v32);
             CreatePipe(xv33, v33);
             CreateInlet(v32, t5);
@@ -275,8 +275,8 @@ namespace PamhagenSysCtrl.Helpers {
             var v40 = CreateValve(40, t8X + 15, tValveY);
             var v41 = CreateValve(41, t8X - 15, tValveY);
             var t8 = CreateTank(8, t8X, tanksY, 35000);
-            CreatePipe(xv38, xv40);
-            CreatePipe(xv39, xv41);
+            CreatePipe(xv38, xv40, label: "Ltg. 6", labelOffsetX: 0);
+            CreatePipe(xv39, xv41, label: "Ltg. 7", labelOffsetX: 30);
             CreatePipe(xv40, v40);
             CreatePipe(xv41, v41);
             CreateInlet(v40, t8);
@@ -319,7 +319,7 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(v45, xv45);
             CreatePipe(v47, xv47);
 
-            CreatePipe(xv44, v10);
+            CreatePipe(xv44, v10, label: "Ltg. 5");
             CreatePipe(v48, xv47, true);
             CreateTwoWayPipe(xv47, v46);
             CreateTwoWayPipe(v46, xv45);
@@ -362,10 +362,10 @@ namespace PamhagenSysCtrl.Helpers {
             var xp7 = new PipeJoin(pr2cX, 550);
             var xp8 = new PipeJoin(pr2cX, 640);
 
-            CreatePipe(v6, xp1, true);
-            CreatePipe(v8, xp2, true);
-            CreatePipe(v49, xp3, true);
-            CreatePipe(P6, xp4, true);
+            CreatePipe(v6, xp1, true, label: "Ltg. 3", labelOffsetX: 30);
+            CreatePipe(v8, xp2, true, label: "Ltg. 4", labelOffsetX: 90);
+            CreatePipe(v49, xp3, true, label: "Ltg. 8");
+            CreatePipe(P6, xp4, true, label: "Ltg. 9");
             CreatePipe(xp1, v51, true);
             CreatePipe(xp1, v55, true);
             CreatePipe(xp2, v52, true);

PamhagenSysCtrl/Helpers/Pipeline/Graph.cs

@@ -12,10 +12,10 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         }
 
-        public Pipe CreatePipe(INode start, INode end, bool verticalFirst = false) {
+        public Pipe CreatePipe(INode start, INode end, bool verticalFirst = false, string? label = null, double? labelOffsetX = null) {
             Nodes.Add(start);
             Nodes.Add(end);
-            var p = new Pipe(start, end, verticalFirst);
+            var p = new Pipe(start, end, label, verticalFirst, default, labelOffsetX);
             start.Outputs.Add(p);
             end.Inputs.Add(p);
             Edges.Add(p);
@@ -25,7 +25,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public Pipe CreateTwoWayPipe(INode n1, INode n2, bool verticalFirst = false) {
             Nodes.Add(n1);
             Nodes.Add(n2);
-            var p = new Pipe(n1, n2, verticalFirst, twoWay: true);
+            var p = new Pipe(n1, n2, default, verticalFirst, twoWay: true);
             n1.Inputs.Add(p);
             n1.Outputs.Add(p);
             n2.Inputs.Add(p);

PamhagenSysCtrl/Helpers/Pipeline/IEdge.cs

@@ -6,6 +6,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public INode Start { get; }
         public INode End { get; }
+        public string? Label { get; }
         public bool IsTwoWay { get; }
         public bool Orientation { get; }
         public Brush? Highlight { get; set; }

PamhagenSysCtrl/Helpers/Pipeline/Inlet.cs

@@ -8,6 +8,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public INode Start { get; set; }
         public INode End => Sink;
         public ISink Sink { get; set; }
+        public string? Label => null;
         public bool IsTwoWay => false;
         public bool Orientation { get; set; }
         public Brush? Highlight { get; set; }

PamhagenSysCtrl/Helpers/Pipeline/Outlet.cs

@@ -10,6 +10,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public INode Start => Source;
         public INode End { get; set; }
         public ISource Source { get; set; }
+        public string? Label => null;
         public bool IsTwoWay => false;
         public bool Orientation { get; set; }
         public Brush? Highlight { get; set; }

PamhagenSysCtrl/Helpers/Pipeline/Pipe.cs

@@ -1,3 +1,4 @@
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
 using System.Windows.Shapes;
@@ -7,6 +8,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public INode Start { get; set; }
         public INode End { get; set; }
+        public string? Label { get; set; }
         public bool IsTwoWay { get; set; }
         public bool Orientation { get; set; }
         public Brush? Highlight { get; set; }
@@ -15,11 +17,15 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         private Polyline? _outer;
         private Polyline? _inner;
+        private TextBlock? _text;
         private FlowArrows? _flowArrows;
+        private double? _textOffsetX;
 
-        public Pipe(INode start, INode end, bool orientation = false, bool twoWay = false) {
+        public Pipe(INode start, INode end, string? label = null, bool orientation = false, bool twoWay = false, double? textOffsetX = null) {
             Start = start;
             End = end;
+            Label = label;
+            _textOffsetX = textOffsetX;
             Orientation = orientation;
             IsTwoWay = twoWay;
         }
@@ -49,6 +55,20 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             };
             canvas.Children.Add(_outer);
             canvas.Children.Add(_inner);
+            if (Label != null) {
+                _text = new() {
+                    Text = Label,
+                    FontSize = 12,
+                    Width = 50,
+                    TextAlignment = TextAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Bottom,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    SnapsToDevicePixels = true,
+                };
+                _text.SetValue(Canvas.LeftProperty, _textOffsetX != null ? (Orientation ? x2 : x1) + _textOffsetX : (Orientation ? (x2 + x3) / 2 : (x1 + x2) / 2) - 25);
+                _text.SetValue(Canvas.TopProperty, y2 - 22);
+                canvas.Children.Add(_text);
+            }
             _flowArrows = FlowArrows.Create(canvas, _inner);
         }