Add valve open/close logic

PamhagenSysCtrl/Helpers/PamhagenGraph.cs

@@ -4,6 +4,9 @@ using System.Windows.Media;
 namespace PamhagenSysCtrl.Helpers {
     public class PamhagenGraph : Graph {
 
+        private readonly List<Path> _selectedPaths = [];
+        public IEnumerable<Path> SelectedPaths => _selectedPaths;
+
         public readonly Trough MW1;
         public readonly Trough MW2;
 
@@ -347,7 +350,7 @@ namespace PamhagenSysCtrl.Helpers {
         }
 
         protected static Valve CreateValve(int n, double x, double y) {
-            return new($"V{n}", x, y, () => App.Plant?.IsValveOpen(4) ?? false, () => App.Plant?.WantValveOpen(4) ?? false);
+            return new(n, x, y, () => App.Plant?.IsValveOpen(4) ?? false, () => App.Plant?.WantValveOpen(4) ?? false);
         }
 
         protected static Tank CreateTank(int n, double x, double y, int capacity) {
@@ -377,5 +380,49 @@ namespace PamhagenSysCtrl.Helpers {
                 TraverseSubgraph(o, visited, edgeAction, valveAction);
             }
         }
+
+        public void AddPath(Path path) {
+            _selectedPaths.Add(path);
+            UpdateValvesAdjacientToPath(path, true);
+            if (App.Plant is PamhagenPlant plant) {
+                foreach (var (edge, _) in path.Hops) {
+                    if (edge is Valve v) {
+                        plant.OpenV(v.Nr);
+                    }
+                }
+                plant.CommitChanges();
+            }
+        }
+
+        public void RemovePath(Path path) {
+            _selectedPaths.Remove(path);
+            UpdateValvesAdjacientToPath(path, false);
+            foreach (var p in _selectedPaths) UpdateValvesAdjacientToPath(p, true);
+            if (App.Plant is PamhagenPlant plant) {
+                foreach (var (edge, _) in path.Hops) {
+                    if (edge is Valve v) {
+                        plant.CloseV(v.Nr);
+                    }
+                }
+                plant.CommitChanges();
+            }
+        }
+
+        private void UpdateValvesAdjacientToPath(Path path, bool locked) {
+            foreach (var (edge, node) in path.Hops) {
+                TraverseSubgraph(node, valveAction: (v) => v.IsLocked = locked);
+            }
+        }
+
+        public void ColorPipesAdjacientToPath(Path path, Brush? color1, Brush? color2) {
+            var color = color1;
+            HashSet<IEdge> visited = [];
+            foreach (var (edge, node) in path.Hops) {
+                edge.Highlight = color1;
+                visited.Add(edge);
+                if (node is Pump) color = color2;
+                TraverseSubgraph(node, visited, edgeAction: (e) => e.Highlight = color);
+            }
+        }
     }
 }