50 lines
1.7 KiB
C#
50 lines
1.7 KiB
C#
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#if UNITY_EDITOR
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using System;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace GSpawn
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{
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// Note: Until there's any update here:
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// https://forum.unity.com/threads/scrollview-scrollto-doesnt-seem-to-work-in-runtime.1024249/
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public class ScrollToItem<TItem> : EditorUpdateAction
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where TItem : VisualElement
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{
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private ScrollView _scrollView;
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private TItem _item;
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private int _undoGroup;
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private ScriptableObject _undoRecordObject;
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public Action<TItem> onPostScroll { get; set; }
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public ScrollToItem(ScrollView scrollView, TItem item, int undoGroup, ScriptableObject undoRecordObject)
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{
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_scrollView = scrollView;
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_item = item;
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_undoGroup = undoGroup;
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_undoRecordObject = undoRecordObject;
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}
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public ScrollToItem(VisualElement parent, ScrollView scrollView, TItem item)
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{
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_scrollView = scrollView;
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_item = item;
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_undoGroup = 0;
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_undoRecordObject = null;
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}
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protected override void execute()
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{
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// Note: Make sure the item hasn't been removed in the mean time
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if (_item != null && _item.parent != null)
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{
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if (_undoRecordObject != null) UndoEx.record(_undoRecordObject);
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_scrollView.ScrollTo(_item);
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if (onPostScroll != null) onPostScroll(_item);
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if (_undoRecordObject != null) Undo.CollapseUndoOperations(_undoGroup);
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}
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}
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}
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}
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#endif
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