negames/SerializeReferenceExtensions-Better
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Merge pull request #74 from mackysoft/feature/use-tostring-as-label

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Implement SubclassSelectorAttribute.UseToStringAsLabel
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Makihiro 2024-10-26 23:35:48 +09:00 committed by GitHub
commit 60adb3e3d3
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3 changed files with 23 additions and 4 deletions
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2
Assets/Example/Example.cs
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@ -64,7 +64,7 @@ public class Example : MonoBehaviour
[SerializeReference]
public Food food3 = new Grape();
[SerializeReference, SubclassSelector]
[SerializeReference, SubclassSelector(UseToStringAsLabel = true)]
public Food foodOne = new Apple();
[SerializeReference, SubclassSelector]

13
Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/SubclassSelectorDrawer.cs
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@ -42,6 +42,19 @@ namespace MackySoft.SerializeReferenceExtensions.Editor
foldoutLabelRect = EditorGUI.IndentedRect(foldoutLabelRect);
Rect popupPosition = EditorGUI.PrefixLabel(foldoutLabelRect, label);
#if UNITY_2021_3_OR_NEWER
// Override the label text with the ToString() of the managed reference.
var subclassSelectorAttribute = (SubclassSelectorAttribute)attribute;
if (subclassSelectorAttribute.UseToStringAsLabel && !property.hasMultipleDifferentValues)
{
object managedReferenceValue = property.managedReferenceValue;
if (managedReferenceValue != null)
{
label.text = managedReferenceValue.ToString();
}
}
#endif
// Draw the subclass selector popup.
if (EditorGUI.DropdownButton(popupPosition, GetTypeName(property), FocusType.Keyboard))
{

12
Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Runtime/SubclassSelectorAttribute.cs
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@ -4,7 +4,13 @@ using UnityEngine;
/// <summary>
/// Attribute to specify the type of the field serialized by the SerializeReference attribute in the inspector.
/// </summary>
[AttributeUsage(AttributeTargets.Field,AllowMultiple = false)]
public sealed class SubclassSelectorAttribute : PropertyAttribute {
[AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
public sealed class SubclassSelectorAttribute : PropertyAttribute
{
#if UNITY_2021_3_OR_NEWER
// NOTE: Use managedReferenceValue getter to invoke instance method in SubclassSelectorDrawer.
public bool UseToStringAsLabel { get; set; }
#endif
}