playtest-unity/playtest/Library/PackageCache/com.unity.timeline@1.7.4/Editor/treeview/PickerUtils.cs

57 lines
1.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
namespace UnityEditor.Timeline
{
static class PickerUtils
{
public static List<object> pickedElements { get; private set; }
public static void DoPick(WindowState state, Vector2 mousePosition)
{
if (state.GetWindow().sequenceHeaderRect.Contains(mousePosition))
{
pickedElements = state.headerSpacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
}
else if (state.GetWindow().sequenceContentRect.Contains(mousePosition))
{
pickedElements = state.spacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
}
else
{
if (pickedElements != null)
pickedElements.Clear();
else
pickedElements = new List<object>();
}
}
public static ILayerable TopmostPickedItem()
{
return PickedItemsSortedByZOrderOfType<ILayerable>().FirstOrDefault();
}
public static T TopmostPickedItemOfType<T>() where T : class, ILayerable
{
return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault();
}
public static T TopmostPickedItemOfType<T>(Func<T, bool> predicate) where T : class, ILayerable
{
return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault(predicate);
}
static IEnumerable<T> PickedItemsSortedByZOrderOfType<T>() where T : class, ILayerable
{
return pickedElements.OfType<T>().OrderByDescending(x => x.zOrder);
}
public static T FirstPickedElementOfType<T>() where T : class, IBounds
{
return pickedElements.FirstOrDefault(e => e is T) as T;
}
}
}