YooAsset/Assets/YooAsset/Editor/UIElements/ElementsDefine/ToggleFoldout.cs

55 lines
1.3 KiB
C#

#if UNITY_2019_4_OR_NEWER
using System;
using UnityEditor;
using UnityEngine;
using UnityEditor.UIElements;
using UnityEngine.UIElements;
namespace YooAsset.Editor
{
/// <summary>
/// 折叠开关
/// </summary>
public class ToggleFoldout : Toggle
{
public new class UxmlFactory : UxmlFactory<ToggleFoldout, UxmlTraits>
{
}
private readonly VisualElement _checkbox;
public ToggleFoldout()
{
_checkbox = this.Q<VisualElement>("unity-checkmark");
RefreshIcon();
}
public override void SetValueWithoutNotify(bool newValue)
{
base.SetValueWithoutNotify(newValue);
RefreshIcon();
}
#if UNITY_2021_3_OR_NEWER
protected override void ToggleValue()
{
base.ToggleValue();
RefreshIcon();
}
#endif
public void RefreshIcon()
{
if (this.value)
{
var icon = EditorGUIUtility.IconContent(UIElementsIcon.FoldoutOn).image as Texture2D;
_checkbox.style.backgroundImage = icon;
}
else
{
var icon = EditorGUIUtility.IconContent(UIElementsIcon.FoldoutOff).image as Texture2D;
_checkbox.style.backgroundImage = icon;
}
}
}
}
#endif