MinhHai
43 lines
1.2 KiB
C#
43 lines
1.2 KiB
C#
using UnityEditor;
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using UnityEditor.UIElements;
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using UnityEngine.UIElements;
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using EditorAttributes.Editor.Utility;
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namespace EditorAttributes.Editor
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{
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[CustomPropertyDrawer(typeof(OnValueChangedAttribute))]
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public class OnValueChangedDrawer : PropertyDrawerBase
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{
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public override VisualElement CreatePropertyGUI(SerializedProperty property)
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{
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var onValueChangedAttribute = attribute as OnValueChangedAttribute;
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ReflectionUtility.GetNestedObjectType(property, out object target);
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var root = new VisualElement();
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var propertyField = CreatePropertyField(property);
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var function = ReflectionUtility.FindFunction(onValueChangedAttribute.FunctionName, property);
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var functionParameters = function.GetParameters();
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if (functionParameters.Length == 0)
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{
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root.Add(propertyField);
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ExecuteLater(propertyField, () =>
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{
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var field = propertyField.Q(className: PropertyField.ussClassName) as PropertyField;
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field.RegisterValueChangeCallback((callback) => function.Invoke(target, null));
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});
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}
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else
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{
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root.Add(propertyField);
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root.Add(new HelpBox("The function cannot have parameters", HelpBoxMessageType.Error));
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}
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return root;
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}
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}
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}
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