794 lines
23 KiB
C#
794 lines
23 KiB
C#
using System.Globalization;
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using CommunityToolkit.Maui.Storage;
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using ZeroSpace.MapEditor.Models;
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using ZeroSpace.MapEditor.Services;
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namespace ZeroSpace.MapEditor.Views;
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public partial class MapEditorPage : ContentPage
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{
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private readonly MapDrawable _drawable = new();
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private List<MapNode> _nodes = new();
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private Dictionary<string, MapNode> _byName = new(StringComparer.OrdinalIgnoreCase);
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private readonly HashSet<MapNode> _selectedNodes = new();
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private MapNode? _selected;
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private MapNode? _pressNode;
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private Point _pressPoint;
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private Point _lastPoint;
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private Point _dragStartWorldPoint;
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private readonly Dictionary<MapNode, (double X, double Y)> _dragStartWorldPositions = new();
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private readonly HashSet<MapNode> _preMarqueeSelected = new();
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private bool _draggingNode;
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private bool _marqueeSelecting;
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private bool _panning;
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private bool _panModeEnabled;
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private bool _wasAlreadySelectedInGroup;
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private bool _viewFitted;
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private bool _updatingInspector;
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private string? _folder;
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private readonly SemaphoreSlim _saveLock = new(1, 1);
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private CancellationTokenSource? _autoSaveCts;
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public MapEditorPage()
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{
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InitializeComponent();
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_drawable.FindNode = name => _byName.TryGetValue(name, out var node) ? node : null;
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MapView.Drawable = _drawable;
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MapView.SizeChanged += OnMapViewSizeChanged;
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TryAutoLoad();
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}
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// ----- view transform -----
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private (double X, double Y) ToWorld(Point screen) =>
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((screen.X - _drawable.OffsetX) / _drawable.Scale,
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(screen.Y - _drawable.OffsetY) / _drawable.Scale);
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private void FitView()
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{
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var width = MapView.Width;
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var height = MapView.Height;
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if (width <= 0 || height <= 0)
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{
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return;
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}
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const double margin = 60;
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double minX = 0, minY = 0, maxX = StarSystemDocStore.WorldSize, maxY = StarSystemDocStore.WorldSize;
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if (_nodes.Count > 0)
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{
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minX = Math.Min(0, _nodes.Min(static n => n.X));
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minY = Math.Min(0, _nodes.Min(static n => n.Y));
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maxX = Math.Max(StarSystemDocStore.WorldSize, _nodes.Max(static n => n.X));
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maxY = Math.Max(StarSystemDocStore.WorldSize, _nodes.Max(static n => n.Y));
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}
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var worldW = Math.Max(maxX - minX, 100);
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var worldH = Math.Max(maxY - minY, 100);
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_drawable.Scale = Math.Min((width - margin * 2) / worldW, (height - margin * 2) / worldH);
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_drawable.OffsetX = width / 2 - (minX + worldW / 2) * _drawable.Scale;
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_drawable.OffsetY = height / 2 - (minY + worldH / 2) * _drawable.Scale;
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_viewFitted = true;
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MapView.Invalidate();
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}
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private void OnMapViewSizeChanged(object? sender, EventArgs e)
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{
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if (!_viewFitted)
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{
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FitView();
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}
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}
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private void Zoom(double factor)
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{
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var centerX = MapView.Width / 2;
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var centerY = MapView.Height / 2;
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var (worldX, worldY) = ToWorld(new Point(centerX, centerY));
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_drawable.Scale = Math.Clamp(_drawable.Scale * factor, 0.05, 20);
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_drawable.OffsetX = centerX - worldX * _drawable.Scale;
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_drawable.OffsetY = centerY - worldY * _drawable.Scale;
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MapView.Invalidate();
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}
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private void OnZoomInClicked(object? sender, EventArgs e) => Zoom(1.25);
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private void OnZoomOutClicked(object? sender, EventArgs e) => Zoom(1 / 1.25);
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private void OnResetViewClicked(object? sender, EventArgs e)
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{
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_viewFitted = false;
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FitView();
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}
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private void OnPanModeClicked(object? sender, EventArgs e)
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{
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_panModeEnabled = !_panModeEnabled;
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PanModeButton.Text = _panModeEnabled ? "Pan: ON" : "Pan: Off";
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StatusLabel.Text = _panModeEnabled
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? "Pan mode enabled. Drag anywhere to move the view."
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: "Select mode enabled. Drag empty space to multi-select.";
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}
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private void CenterOnNode(MapNode node)
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{
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var width = MapView.Width;
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var height = MapView.Height;
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if (width > 0 && height > 0)
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{
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_drawable.OffsetX = width / 2 - node.X * _drawable.Scale;
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_drawable.OffsetY = height / 2 - node.Y * _drawable.Scale;
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MapView.Invalidate();
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}
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}
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// ----- search -----
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private void OnSearchTextChanged(object? sender, TextChangedEventArgs e) => ApplySearch(e.NewTextValue);
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private void OnSearchButtonPressed(object? sender, EventArgs e)
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{
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ApplySearch(SearchControl.Text);
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FocusFirstMatch();
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}
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private void ApplySearch(string? query)
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{
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var trimmed = query?.Trim();
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if (string.IsNullOrEmpty(trimmed))
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{
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foreach (var node in _nodes)
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{
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node.IsHighlighted = false;
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}
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if (_folder is not null)
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{
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StatusLabel.Text = $"{_nodes.Count} systems loaded from {_folder}.";
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}
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else
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{
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StatusLabel.Text = "No folder loaded.";
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}
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MapView.Invalidate();
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return;
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}
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var matchCount = 0;
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foreach (var node in _nodes)
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{
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var isMatch = node.Doc.Name.Contains(trimmed, StringComparison.OrdinalIgnoreCase);
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node.IsHighlighted = isMatch;
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if (isMatch)
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{
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matchCount++;
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}
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}
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if (matchCount == 0)
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{
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StatusLabel.Text = $"No systems matching '{trimmed}'.";
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}
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else
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{
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StatusLabel.Text = $"Found {matchCount} matching system{(matchCount == 1 ? string.Empty : "s")}.";
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}
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MapView.Invalidate();
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}
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private void FocusFirstMatch()
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{
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var match = _nodes.FirstOrDefault(static n => n.IsHighlighted);
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if (match is not null)
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{
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Select(match);
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CenterOnNode(match);
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}
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}
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// ----- pointer interaction -----
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private MapNode? HitTest(Point screen)
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{
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var (worldX, worldY) = ToWorld(screen);
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var radius = MapDrawable.NodeRadius + 4;
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foreach (var node in _nodes)
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{
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var dx = node.X - worldX;
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var dy = node.Y - worldY;
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if (dx * dx + dy * dy <= radius * radius)
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{
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return node;
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}
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}
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return null;
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}
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private static double Distance(Point a, Point b)
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{
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var dx = a.X - b.X;
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var dy = a.Y - b.Y;
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return Math.Sqrt(dx * dx + dy * dy);
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}
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private void OnPointerPressed(object? sender, PointerEventArgs e)
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{
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var position = e.GetPosition(MapView);
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if (position is null)
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{
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return;
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}
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_pressPoint = position.Value;
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_lastPoint = position.Value;
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_draggingNode = false;
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_marqueeSelecting = false;
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_panning = false;
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_wasAlreadySelectedInGroup = false;
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var isRightOrMiddle = false;
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var isShiftOrCtrl = false;
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var isAltPressed = false;
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#if WINDOWS
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if (e.PlatformArgs?.PointerRoutedEventArgs is { } winArgs)
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{
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var pt = winArgs.GetCurrentPoint(null);
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isRightOrMiddle = pt.Properties.IsRightButtonPressed || pt.Properties.IsMiddleButtonPressed;
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isShiftOrCtrl = winArgs.KeyModifiers.HasFlag(global::Windows.System.VirtualKeyModifiers.Shift) ||
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winArgs.KeyModifiers.HasFlag(global::Windows.System.VirtualKeyModifiers.Control);
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isAltPressed = winArgs.KeyModifiers.HasFlag(global::Windows.System.VirtualKeyModifiers.Menu);
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}
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#endif
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if (_panModeEnabled || isRightOrMiddle || isAltPressed)
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{
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_panning = true;
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_pressNode = null;
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return;
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}
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_pressNode = HitTest(position.Value);
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if (_pressNode is not null)
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{
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if (isShiftOrCtrl)
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{
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if (_selectedNodes.Contains(_pressNode))
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{
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_selectedNodes.Remove(_pressNode);
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_pressNode.IsSelected = false;
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_selected = _selectedNodes.FirstOrDefault();
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if (_selected is not null)
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{
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PopulateInspector(_selected);
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}
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else
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{
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InspectorScroll.IsVisible = false;
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}
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}
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else
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{
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_selectedNodes.Add(_pressNode);
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_pressNode.IsSelected = true;
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_selected = _pressNode;
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InspectorScroll.IsVisible = true;
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PopulateInspector(_selected);
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}
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MapView.Invalidate();
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}
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else
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{
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if (_selectedNodes.Contains(_pressNode))
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{
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_wasAlreadySelectedInGroup = _selectedNodes.Count > 1;
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_selected = _pressNode;
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PopulateInspector(_selected);
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}
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else
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{
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Select(_pressNode);
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}
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}
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_dragStartWorldPositions.Clear();
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var (clickWorldX, clickWorldY) = ToWorld(position.Value);
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_dragStartWorldPoint = new Point(clickWorldX, clickWorldY);
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foreach (var node in _selectedNodes)
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{
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_dragStartWorldPositions[node] = (node.X, node.Y);
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}
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}
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else
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{
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_marqueeSelecting = true;
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_preMarqueeSelected.Clear();
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if (isShiftOrCtrl)
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{
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foreach (var n in _selectedNodes)
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{
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_preMarqueeSelected.Add(n);
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}
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}
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_drawable.SelectionBox = null;
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}
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}
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private void OnPointerMoved(object? sender, PointerEventArgs e)
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{
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var position = e.GetPosition(MapView);
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if (position is null)
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{
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return;
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}
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if (_panning)
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{
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_drawable.OffsetX += position.Value.X - _lastPoint.X;
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_drawable.OffsetY += position.Value.Y - _lastPoint.Y;
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_lastPoint = position.Value;
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MapView.Invalidate();
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return;
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}
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if (_pressNode is not null)
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{
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if (!_draggingNode && Distance(position.Value, _pressPoint) > 4)
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{
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_draggingNode = true;
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}
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if (_draggingNode)
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{
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var (currentWorldX, currentWorldY) = ToWorld(position.Value);
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var deltaX = currentWorldX - _dragStartWorldPoint.X;
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var deltaY = currentWorldY - _dragStartWorldPoint.Y;
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foreach (var node in _selectedNodes)
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{
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if (_dragStartWorldPositions.TryGetValue(node, out var startPos))
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{
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node.X = startPos.X + deltaX;
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node.Y = startPos.Y + deltaY;
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node.Doc.IsDirty = true;
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}
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}
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UpdateDirtyState();
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SyncPositionEntries();
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MapView.Invalidate();
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}
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}
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else if (_marqueeSelecting)
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{
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var minX = (float)Math.Min(_pressPoint.X, position.Value.X);
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var minY = (float)Math.Min(_pressPoint.Y, position.Value.Y);
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var width = (float)Math.Abs(_pressPoint.X - position.Value.X);
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var height = (float)Math.Abs(_pressPoint.Y - position.Value.Y);
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var rect = new RectF(minX, minY, width, height);
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_drawable.SelectionBox = rect;
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foreach (var node in _nodes)
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{
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var screenX = (float)(node.X * _drawable.Scale + _drawable.OffsetX);
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var screenY = (float)(node.Y * _drawable.Scale + _drawable.OffsetY);
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var inBox = screenX >= minX && screenX <= minX + width &&
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screenY >= minY && screenY <= minY + height;
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node.IsSelected = inBox || _preMarqueeSelected.Contains(node);
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}
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MapView.Invalidate();
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}
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}
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private void OnPointerReleased(object? sender, PointerEventArgs e)
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{
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var position = e.GetPosition(MapView);
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if (_panning)
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{
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if (_panModeEnabled && position is not null && Distance(position.Value, _pressPoint) <= 4)
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{
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var hit = HitTest(position.Value);
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Select(hit);
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}
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_panning = false;
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}
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else if (_pressNode is not null)
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{
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var wasDragging = _draggingNode;
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if (!_draggingNode && _wasAlreadySelectedInGroup)
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{
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Select(_pressNode);
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}
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_draggingNode = false;
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_pressNode = null;
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if (wasDragging)
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{
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_ = AutoSaveAsync();
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}
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}
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else if (_marqueeSelecting)
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{
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var isDrag = position is not null && Distance(position.Value, _pressPoint) > 4;
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_drawable.SelectionBox = null;
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_marqueeSelecting = false;
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if (isDrag)
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{
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var selectedInMarquee = _nodes.Where(static n => n.IsSelected).ToList();
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SetSelection(selectedInMarquee);
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}
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else
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{
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Select(null);
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}
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}
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else
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{
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Select(null);
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}
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_drawable.SelectionBox = null;
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MapView.Invalidate();
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}
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// ----- selection + inspector -----
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private void Select(MapNode? node)
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{
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foreach (var n in _nodes)
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{
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n.IsSelected = false;
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}
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_selectedNodes.Clear();
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_selected = node;
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if (_selected is not null)
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{
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_selected.IsSelected = true;
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_selectedNodes.Add(_selected);
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}
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InspectorScroll.IsVisible = node is not null;
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if (node is not null)
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{
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PopulateInspector(node);
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}
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MapView.Invalidate();
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}
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private void SetSelection(IEnumerable<MapNode> nodes, MapNode? primary = null)
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{
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foreach (var n in _nodes)
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{
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n.IsSelected = false;
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}
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_selectedNodes.Clear();
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foreach (var n in nodes)
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{
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n.IsSelected = true;
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_selectedNodes.Add(n);
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}
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if (_selectedNodes.Count == 0)
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{
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_selected = null;
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InspectorScroll.IsVisible = false;
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}
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else
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{
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_selected = primary ?? (_selected is not null && _selectedNodes.Contains(_selected)
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? _selected
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: _selectedNodes.First());
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InspectorScroll.IsVisible = true;
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PopulateInspector(_selected);
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if (_selectedNodes.Count > 1)
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{
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StatusLabel.Text = $"{_selectedNodes.Count} systems selected.";
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}
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}
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MapView.Invalidate();
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}
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private void OnConnectionSelectionChanged(object? sender, SelectionChangedEventArgs e)
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{
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if (_updatingInspector)
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{
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return;
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}
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if (e.CurrentSelection.FirstOrDefault() is string name)
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{
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SelectConnectedSystem(name);
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}
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}
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private void SelectConnectedSystem(string name)
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{
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if (_byName.TryGetValue(name, out var targetNode))
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{
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Select(targetNode);
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}
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}
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private void PopulateInspector(MapNode node)
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{
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_updatingInspector = true;
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try
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{
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var doc = node.Doc;
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NameLabel.Text = doc.Name;
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CategoryLabel.Text = string.IsNullOrEmpty(doc.SystemCategory) ? "—" : doc.SystemCategory;
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OwnerLabel.Text = string.IsNullOrEmpty(doc.Owner) ? "—" : doc.Owner;
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YieldsLabel.Text = YieldText(doc);
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BuffLabel.Text = doc.OccupationBuff ?? "—";
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MasteryLabel.Text = doc.SystemMastery ?? "—";
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XEntry.Text = doc.X.ToString("F1", CultureInfo.InvariantCulture);
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YEntry.Text = doc.Y.ToString("F1", CultureInfo.InvariantCulture);
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ConnectionsView.SelectedItem = null;
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ConnectionsView.ItemsSource = doc.ConnectedSystems.ToList();
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}
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finally
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{
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_updatingInspector = false;
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}
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}
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private void SyncPositionEntries()
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{
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if (_selected is null || _selected != _pressNode)
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{
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return;
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}
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_updatingInspector = true;
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try
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{
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XEntry.Text = _selected.X.ToString("F1", CultureInfo.InvariantCulture);
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YEntry.Text = _selected.Y.ToString("F1", CultureInfo.InvariantCulture);
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}
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finally
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{
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_updatingInspector = false;
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}
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}
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private void OnPositionTextChanged(object? sender, TextChangedEventArgs e)
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{
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if (_updatingInspector || _selected is null)
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{
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return;
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}
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if (double.TryParse(XEntry.Text, NumberStyles.Float, CultureInfo.InvariantCulture, out var x) &&
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double.TryParse(YEntry.Text, NumberStyles.Float, CultureInfo.InvariantCulture, out var y))
|
|
{
|
|
if (_selected.X != x || _selected.Y != y)
|
|
{
|
|
_selected.X = x;
|
|
_selected.Y = y;
|
|
_selected.Doc.IsDirty = true;
|
|
UpdateDirtyState();
|
|
MapView.Invalidate();
|
|
ScheduleAutoSave();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void ScheduleAutoSave(int delayMs = 400)
|
|
{
|
|
_autoSaveCts?.Cancel();
|
|
_autoSaveCts?.Dispose();
|
|
_autoSaveCts = new CancellationTokenSource();
|
|
var token = _autoSaveCts.Token;
|
|
|
|
_ = Task.Run(async () =>
|
|
{
|
|
try
|
|
{
|
|
await Task.Delay(delayMs, token);
|
|
if (!token.IsCancellationRequested)
|
|
{
|
|
await MainThread.InvokeOnMainThreadAsync(() => AutoSaveAsync());
|
|
}
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
// Debounce cancelled by a newer edit or immediate save
|
|
}
|
|
}, token);
|
|
}
|
|
|
|
private static string YieldText(StarSystemDoc doc)
|
|
{
|
|
var yields = new List<string>();
|
|
if (doc.HigherInfluenceYield)
|
|
{
|
|
yields.Add("Influence");
|
|
}
|
|
|
|
if (doc.HigherCreditYield)
|
|
{
|
|
yields.Add("Credits");
|
|
}
|
|
|
|
if (doc.HigherEnergyYield)
|
|
{
|
|
yields.Add("Energy");
|
|
}
|
|
|
|
if (doc.HigherChanceForItems)
|
|
{
|
|
yields.Add("Items");
|
|
}
|
|
|
|
return yields.Count == 0 ? "Standard" : "Higher " + string.Join(", ", yields);
|
|
}
|
|
|
|
// ----- folder + save -----
|
|
|
|
private void TryAutoLoad()
|
|
{
|
|
// Dev-repo layout: walk up from the app directory looking for zs.docs/StarSystem.
|
|
var directory = new DirectoryInfo(AppContext.BaseDirectory);
|
|
for (var i = 0; i < 12 && directory is not null; i++, directory = directory.Parent)
|
|
{
|
|
var candidate = Path.Combine(directory.FullName, "zs.docs", "StarSystem");
|
|
if (Directory.Exists(candidate))
|
|
{
|
|
LoadFolder(candidate);
|
|
return;
|
|
}
|
|
}
|
|
|
|
var remembered = Preferences.Get("MapEditorFolder", string.Empty);
|
|
if (!string.IsNullOrEmpty(remembered) && Directory.Exists(remembered))
|
|
{
|
|
LoadFolder(remembered);
|
|
}
|
|
}
|
|
|
|
private void LoadFolder(string folder)
|
|
{
|
|
var docs = StarSystemDocStore.LoadFolder(folder);
|
|
_folder = folder;
|
|
_nodes = docs.Select(static doc => new MapNode(doc)).ToList();
|
|
_byName = _nodes.ToDictionary(static node => node.Doc.Name, StringComparer.OrdinalIgnoreCase);
|
|
_drawable.Nodes = _nodes;
|
|
Select(null);
|
|
_viewFitted = false;
|
|
FitView();
|
|
Preferences.Set("MapEditorFolder", folder);
|
|
|
|
if (!string.IsNullOrWhiteSpace(SearchControl.Text))
|
|
{
|
|
ApplySearch(SearchControl.Text);
|
|
}
|
|
else
|
|
{
|
|
StatusLabel.Text = $"{_nodes.Count} systems loaded from {folder}.";
|
|
}
|
|
|
|
var dirtyCount = _nodes.Count(static node => node.Doc.IsDirty);
|
|
if (dirtyCount > 0)
|
|
{
|
|
_ = AutoSaveAsync();
|
|
}
|
|
else
|
|
{
|
|
UpdateDirtyState();
|
|
}
|
|
}
|
|
|
|
private async void OnOpenFolderClicked(object? sender, EventArgs e)
|
|
{
|
|
try
|
|
{
|
|
var result = await FolderPicker.Default.PickAsync();
|
|
if (result?.Folder is not null && Directory.Exists(result.Folder.Path))
|
|
{
|
|
LoadFolder(result.Folder.Path);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
StatusLabel.Text = $"Could not open folder: {ex.Message}";
|
|
}
|
|
}
|
|
|
|
private void OnSaveClicked(object? sender, EventArgs e)
|
|
{
|
|
_ = AutoSaveAsync();
|
|
}
|
|
|
|
private async Task AutoSaveAsync()
|
|
{
|
|
_autoSaveCts?.Cancel();
|
|
_autoSaveCts?.Dispose();
|
|
_autoSaveCts = null;
|
|
|
|
var dirtyNodes = _nodes.Where(static n => n.Doc.IsDirty).ToList();
|
|
if (dirtyNodes.Count == 0)
|
|
{
|
|
SaveButton.Text = "Saved";
|
|
SaveButton.IsEnabled = false;
|
|
return;
|
|
}
|
|
|
|
SaveButton.Text = "Saving...";
|
|
SaveButton.IsEnabled = false;
|
|
|
|
await _saveLock.WaitAsync();
|
|
try
|
|
{
|
|
var docsToSave = _nodes.Where(static n => n.Doc.IsDirty).Select(static n => n.Doc).ToList();
|
|
if (docsToSave.Count == 0)
|
|
{
|
|
SaveButton.Text = "Saved";
|
|
SaveButton.IsEnabled = false;
|
|
return;
|
|
}
|
|
|
|
var savedCount = await Task.Run(() => StarSystemDocStore.SavePositions(docsToSave));
|
|
|
|
var remainingDirty = _nodes.Count(static n => n.Doc.IsDirty);
|
|
if (remainingDirty > 0)
|
|
{
|
|
SaveButton.Text = "Save";
|
|
SaveButton.IsEnabled = true;
|
|
StatusLabel.Text =
|
|
$"{remainingDirty} unsaved position change{(remainingDirty == 1 ? string.Empty : "s")}.";
|
|
}
|
|
else
|
|
{
|
|
SaveButton.Text = "Saved";
|
|
SaveButton.IsEnabled = false;
|
|
StatusLabel.Text = savedCount == 1
|
|
? "Auto-saved 1 system."
|
|
: $"Auto-saved {savedCount} systems.";
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
var remainingDirty = _nodes.Count(static n => n.Doc.IsDirty);
|
|
SaveButton.Text = "Save";
|
|
SaveButton.IsEnabled = remainingDirty > 0;
|
|
StatusLabel.Text = $"Auto-save failed: {ex.Message}";
|
|
}
|
|
finally
|
|
{
|
|
_saveLock.Release();
|
|
}
|
|
}
|
|
|
|
private void UpdateDirtyState()
|
|
{
|
|
var dirty = _nodes.Count(static node => node.Doc.IsDirty);
|
|
if (dirty > 0)
|
|
{
|
|
SaveButton.Text = "Save";
|
|
SaveButton.IsEnabled = true;
|
|
StatusLabel.Text = $"{dirty} unsaved position change{(dirty == 1 ? string.Empty : "s")}.";
|
|
}
|
|
else
|
|
{
|
|
SaveButton.Text = "Saved";
|
|
SaveButton.IsEnabled = false;
|
|
}
|
|
}
|
|
} |