Files
pamhagen-sysctrl/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs
T
2026-07-14 16:29:12 +02:00

125 lines
5.2 KiB
C#

using PamhagenSysCtrl.Helpers;
using PamhagenSysCtrl.Helpers.Pipeline;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
namespace PamhagenSysCtrl.Windows {
public partial class PlantSchemeWindow : Window {
private readonly PamhagenGraph Graph;
private readonly List<Path> Paths = [];
private ISource? _lastSource;
private List<INode> _path = [];
private ISet<INode>? _lastSelected;
public PlantSchemeWindow() {
InitializeComponent();
App.Plant?.Update += OnUpdate;
Graph = new();
Graph.Draw(SchemeCanvas);
}
private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
var p = evt.GetPosition(SchemeCanvas);
UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
}
private void SchemeCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs evt) {
var p = evt.GetPosition(SchemeCanvas);
_lastSelected = UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
}
private void SchemeCanvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs evt) {
var pos = evt.GetPosition(SchemeCanvas);
var curSelected = UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
var clicked = curSelected.Intersect(_lastSelected ?? new HashSet<INode>()).ToList();
if (clicked.Count == 0) {
_lastSource = null;
}
foreach (var c in clicked) {
if (_lastSource == null && Paths.Any(p => p.Start == c)) {
var path = Paths.First(p => p.Start == c);
Paths.Remove(path);
UpdateValvesAdjacientToPath(path, false);
foreach (var p in Paths) UpdateValvesAdjacientToPath(p, true);
} else if (_lastSource != null && c is ISink sink) {
var res = Graph.GetPath([_lastSource, .._path, sink], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
if (res is Path path) {
Paths.Add(path);
UpdateValvesAdjacientToPath(path, true);
_lastSource = null;
}
} else if (c is ISource source) {
_lastSource = source;
_path = [];
} else if (_lastSource != null) {
var path = Graph.GetPath([_lastSource, .. _path, c], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
if (path != null) {
_path.Add(c);
}
} else {
_lastSource = null;
}
}
UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
}
private ISet<INode> UpdateScheme(Point pos, bool down) {
foreach (var e in Graph.Edges) {
e.Highlight = null;
}
foreach (var p in Paths) {
ColorPipesAdjacientToPath(p, Brushes.Green, Brushes.Orange);
}
var hover = Graph.Update(pos.X, pos.Y, down);
if (_lastSource != null && (hover.Count > 0 || _path.Count > 0)) {
List<INode> points = [_lastSource, .. _path];
if (hover.Count > 0 && !points.Contains(hover.First())) {
points.Add(hover.First());
}
if (points.Count >= 2) {
var res = Graph.GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
if (res is Path path) {
ColorPipesAdjacientToPath(path, Brushes.Green, Brushes.Orange);
}
}
} else if (_lastSource == null && hover.Count > 0 && Paths.Any(p => p.Start == hover.First())) {
var path = Paths.First(p => p.Start == hover.First());
ColorPipesAdjacientToPath(path, Brushes.Red, null);
}
if (_lastSource != null) {
foreach (var edge in _lastSource.Outputs) {
edge.Highlight = Brushes.Green;
}
}
Graph.Update(pos.X, pos.Y, down);
return hover;
}
public void OnUpdate(object? sender, PlantEventArgs evt) {
if (sender is not PamhagenPlant plant) return;
}
private void UpdateValvesAdjacientToPath(Path path, bool locked) {
foreach (var (edge, node) in path.Hops) {
Graph.TraverseSubgraph(node, valveAction: (v) => v.IsLocked = locked);
}
}
private 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;
Graph.TraverseSubgraph(node, visited, edgeAction: (e) => e.Highlight = color);
}
}
}
}