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69 lines
2.3 KiB
69 lines
2.3 KiB
/*
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* @author zaikman
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* @url https://www.reddit.com/r/Unity3D/comments/1s6czv/inspectorbutton_add_a_custom_button_to_your/
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*/
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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using System.Reflection;
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/// <summary>
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/// This attribute can only be applied to fields because its
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/// associated PropertyDrawer only operates on fields (either
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/// public or tagged with the [SerializeField] attribute) in
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/// the target MonoBehaviour.
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/// </summary>
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[System.AttributeUsage(System.AttributeTargets.Field)]
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public class InspectorButtonAttribute : PropertyAttribute
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{
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public static float kDefaultButtonWidth = 80;
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public readonly string MethodName;
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private float _buttonWidth = kDefaultButtonWidth;
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public float ButtonWidth
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{
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get { return _buttonWidth; }
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set { _buttonWidth = value; }
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}
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public InspectorButtonAttribute(string MethodName)
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{
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this.MethodName = MethodName;
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}
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public InspectorButtonAttribute(string MethodName, float ButtonWidth)
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{
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this.MethodName = MethodName;
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this.ButtonWidth = ButtonWidth;
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}
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}
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#if UNITY_EDITOR
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[CustomPropertyDrawer(typeof(InspectorButtonAttribute))]
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public class InspectorButtonPropertyDrawer : PropertyDrawer
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{
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private MethodInfo _eventMethodInfo = null;
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public override void OnGUI(Rect position, SerializedProperty prop, GUIContent label)
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{
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InspectorButtonAttribute inspectorButtonAttribute = (InspectorButtonAttribute)attribute;
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Rect buttonRect = new Rect(position.x + (position.width - inspectorButtonAttribute.ButtonWidth) * 0.5f, position.y, inspectorButtonAttribute.ButtonWidth, position.height);
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if (GUI.Button(buttonRect, label.text))
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{
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System.Type eventOwnerType = prop.serializedObject.targetObject.GetType();
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string eventName = inspectorButtonAttribute.MethodName;
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if (_eventMethodInfo == null)
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_eventMethodInfo = eventOwnerType.GetMethod(eventName, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
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if (_eventMethodInfo != null)
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_eventMethodInfo.Invoke(prop.serializedObject.targetObject, null);
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else
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Debug.LogWarning(string.Format("InspectorButton: Unable to find method {0} in {1}", eventName, eventOwnerType));
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}
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}
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}
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#endif |