mirror of
https://github.com/ppy/osu
synced 2024-12-13 18:37:04 +00:00
242 lines
8.6 KiB
C#
242 lines
8.6 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Linq;
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using Humanizer;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.UserInterface;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Osu.Objects;
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using osu.Game.Screens.Edit;
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using osuTK.Input;
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namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
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{
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public class PathControlPointVisualiser : CompositeDrawable, IKeyBindingHandler<PlatformAction>, IHasContextMenu
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{
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internal readonly Container<PathControlPointPiece> Pieces;
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internal readonly Container<PathControlPointConnectionPiece> Connections;
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private readonly IBindableList<PathControlPoint> controlPoints = new BindableList<PathControlPoint>();
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private readonly Slider slider;
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private readonly bool allowSelection;
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private InputManager inputManager;
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public Action<List<PathControlPoint>> RemoveControlPointsRequested;
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public PathControlPointVisualiser(Slider slider, bool allowSelection)
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{
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this.slider = slider;
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this.allowSelection = allowSelection;
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RelativeSizeAxes = Axes.Both;
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InternalChildren = new Drawable[]
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{
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Connections = new Container<PathControlPointConnectionPiece> { RelativeSizeAxes = Axes.Both },
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Pieces = new Container<PathControlPointPiece> { RelativeSizeAxes = Axes.Both }
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};
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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inputManager = GetContainingInputManager();
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controlPoints.CollectionChanged += onControlPointsChanged;
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controlPoints.BindTo(slider.Path.ControlPoints);
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}
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private void onControlPointsChanged(object sender, NotifyCollectionChangedEventArgs e)
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{
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switch (e.Action)
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{
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case NotifyCollectionChangedAction.Add:
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// If inserting in the path (not appending),
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// update indices of existing connections after insert location
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if (e.NewStartingIndex < Pieces.Count)
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{
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foreach (var connection in Connections)
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{
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if (connection.ControlPointIndex >= e.NewStartingIndex)
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connection.ControlPointIndex += e.NewItems.Count;
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}
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}
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for (int i = 0; i < e.NewItems.Count; i++)
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{
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var point = (PathControlPoint)e.NewItems[i];
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Pieces.Add(new PathControlPointPiece(slider, point).With(d =>
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{
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if (allowSelection)
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d.RequestSelection = selectPiece;
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}));
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Connections.Add(new PathControlPointConnectionPiece(slider, e.NewStartingIndex + i));
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}
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break;
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case NotifyCollectionChangedAction.Remove:
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foreach (var point in e.OldItems.Cast<PathControlPoint>())
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{
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Pieces.RemoveAll(p => p.ControlPoint == point);
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Connections.RemoveAll(c => c.ControlPoint == point);
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}
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// If removing before the end of the path,
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// update indices of connections after remove location
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if (e.OldStartingIndex + e.OldItems.Count < Pieces.Count + e.OldItems.Count)
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{
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foreach (var connection in Connections)
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{
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if (connection.ControlPointIndex >= e.OldStartingIndex)
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connection.ControlPointIndex -= e.OldItems.Count;
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}
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}
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break;
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}
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}
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protected override bool OnClick(ClickEvent e)
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{
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foreach (var piece in Pieces)
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{
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piece.IsSelected.Value = false;
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}
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return false;
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}
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public bool OnPressed(PlatformAction action)
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{
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switch (action.ActionMethod)
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{
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case PlatformActionMethod.Delete:
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return DeleteSelected();
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}
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return false;
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}
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public void OnReleased(PlatformAction action)
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{
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}
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private void selectPiece(PathControlPointPiece piece, MouseButtonEvent e)
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{
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if (e.Button == MouseButton.Left && inputManager.CurrentState.Keyboard.ControlPressed)
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piece.IsSelected.Toggle();
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else
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{
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foreach (var p in Pieces)
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p.IsSelected.Value = p == piece;
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}
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}
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[Resolved(CanBeNull = true)]
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private IEditorChangeHandler changeHandler { get; set; }
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public bool DeleteSelected()
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{
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List<PathControlPoint> toRemove = Pieces.Where(p => p.IsSelected.Value).Select(p => p.ControlPoint).ToList();
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// Ensure that there are any points to be deleted
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if (toRemove.Count == 0)
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return false;
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changeHandler?.BeginChange();
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RemoveControlPointsRequested?.Invoke(toRemove);
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changeHandler?.EndChange();
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// Since pieces are re-used, they will not point to the deleted control points while remaining selected
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foreach (var piece in Pieces)
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piece.IsSelected.Value = false;
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return true;
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}
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public MenuItem[] ContextMenuItems
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{
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get
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{
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if (!Pieces.Any(p => p.IsHovered))
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return null;
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var selectedPieces = Pieces.Where(p => p.IsSelected.Value).ToList();
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int count = selectedPieces.Count;
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if (count == 0)
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return null;
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List<MenuItem> items = new List<MenuItem>();
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if (!selectedPieces.Contains(Pieces[0]))
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items.Add(createMenuItemForPathType(null));
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// todo: hide/disable items which aren't valid for selected points
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items.Add(createMenuItemForPathType(PathType.Linear));
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items.Add(createMenuItemForPathType(PathType.PerfectCurve));
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items.Add(createMenuItemForPathType(PathType.Bezier));
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items.Add(createMenuItemForPathType(PathType.Catmull));
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return new MenuItem[]
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{
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new OsuMenuItem($"Delete {"control point".ToQuantity(count, count > 1 ? ShowQuantityAs.Numeric : ShowQuantityAs.None)}", MenuItemType.Destructive, () => DeleteSelected()),
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new OsuMenuItem("Curve type")
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{
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Items = items
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}
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};
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}
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}
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private MenuItem createMenuItemForPathType(PathType? type)
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{
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int totalCount = Pieces.Count(p => p.IsSelected.Value);
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int countOfState = Pieces.Where(p => p.IsSelected.Value).Count(p => p.ControlPoint.Type.Value == type);
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var item = new PathTypeMenuItem(type, () =>
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{
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foreach (var p in Pieces.Where(p => p.IsSelected.Value))
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p.ControlPoint.Type.Value = type;
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});
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if (countOfState == totalCount)
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item.State.Value = TernaryState.True;
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else if (countOfState > 0)
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item.State.Value = TernaryState.Indeterminate;
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else
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item.State.Value = TernaryState.False;
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return item;
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}
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private class PathTypeMenuItem : TernaryStateMenuItem
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{
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public PathTypeMenuItem(PathType? type, Action action)
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: base(type == null ? "Inherit" : type.ToString().Humanize(), changeState, MenuItemType.Standard, _ => action?.Invoke())
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{
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}
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private static TernaryState changeState(TernaryState state) => TernaryState.True;
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}
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}
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}
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