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Nydaliv/Assets/Imported/Scripts/InspectorButton.cs

69 lines
2.3 KiB

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