winzer/pamhagen-sysctrl
2
0
Fork 0
Code Issues Pull Requests Actions Releases Activity

Implement path selection

Browse Source
This commit is contained in:
Lorenz Stechauner
2026-07-14 02:26:55 +02:00
parent 23c96b9397
commit 6e49693db4
16 changed files with 132 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml
+1 -1
View File
@@ -5,7 +5,7 @@
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:PamhagenSysCtrl.Windows"
Title="Schema - Anlagensteuerung Pamhagen" Height="800" Width="1600">
<Grid MouseMove="SchemeCanvas_MouseMove">
<Grid MouseMove="SchemeCanvas_MouseMove" MouseLeftButtonDown="SchemeCanvas_MouseLeftButtonDown" MouseLeftButtonUp="SchemeCanvas_MouseLeftButtonUp">
<Canvas x:Name="SchemeCanvas">
</Canvas>
</Grid>
PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs
+73 -4
View File
@@ -8,6 +8,10 @@ namespace PamhagenSysCtrl.Windows {
public partial class PlantSchemeWindow : Window {
private readonly PamhagenGraph Graph;
private readonly List<Path> Paths = [];
private ISource? _lastSource;
private ISet<INode>? _lastSelected;
public PlantSchemeWindow() {
InitializeComponent();
@@ -18,18 +22,83 @@ namespace PamhagenSysCtrl.Windows {
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 p = evt.GetPosition(SchemeCanvas);
var curSelected = UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
var clicked = curSelected.Intersect(_lastSelected ?? new HashSet<INode>()).ToList();
_lastSource?.IsSelected = false;
if (clicked.Count == 0) {
_lastSource = null;
}
foreach (var c in clicked) {
if (_lastSource != null && c is ISink sink) {
var path = Graph.GetPath(_lastSource, sink, (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
if (path != null) {
Paths.Add(path.Value);
_lastSource = null;
}
} else if (c is ISource source) {
_lastSource = source;
_lastSource.IsSelected = true;
} else {
_lastSource = null;
}
}
UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
}
private ISet<INode> UpdateScheme(Point pos, bool down) {
foreach (var e in Graph.Edges) {
e.Highlight = null;
}
var hover = Graph.Update(p.X, p.Y);
if (hover.Count > 0) {
var path = Graph.GetPath(Graph.MW1, hover.First(), (n) => n is not ISink);
foreach (var p in Paths) {
var c = Brushes.Green;
foreach (var (edge, node) in p.Hops) {
edge.Highlight = Brushes.Green;
if (node is Pump) c = Brushes.Orange;
ColorSubgraph(node, c, (v) => v.IsLocked = true);
}
}
var hover = Graph.Update(pos.X, pos.Y, down);
if (_lastSource != null && hover.Count > 0) {
var path = Graph.GetPath(_lastSource, hover.First(), (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
if (path != null) {
var c = Brushes.Green;
foreach (var (edge, node) in path.Value.Hops) {
edge.Highlight = Brushes.Green;
if (node is Pump) c = Brushes.Orange;
ColorSubgraph(node, c);
}
}
Graph.Update(p.X, p.Y);
Graph.Update(pos.X, pos.Y, down);
}
return hover;
}
private void ColorSubgraph(INode start, Brush color, Action<Valve>? valveAction = null) {
if (start is Valve v) {
valveAction?.Invoke(v);
return;
} else if (start is ISink || start is Pump) {
return;
}
foreach (var edge in start.Inputs) {
if (edge.Highlight != null) continue;
edge.Highlight = color;
ColorSubgraph(edge.Start, color, valveAction);
}
foreach (var edge in start.Outputs) {
if (edge.Highlight != null) continue;
edge.Highlight = color;
ColorSubgraph(edge.End, color, valveAction);
}
}