#if UNITY_EDITOR

using UnityEditor;
using UnityEngine;

namespace OmiLAXR.Editor
{
    [CustomPropertyDrawer( typeof( ReadOnlyAttribute ) )]
    public class ReadOnlyDrawer : PropertyDrawer {

        public override float GetPropertyHeight( SerializedProperty property, GUIContent label ) {
            return EditorGUI.GetPropertyHeight( property, label, true );
        }

        public override void OnGUI( Rect position, SerializedProperty property, GUIContent label ) {
            using (var scope = new EditorGUI.DisabledGroupScope(true)) {
                EditorGUI.PropertyField( position, property, label, true );
            }
        }

    }

    [CustomPropertyDrawer( typeof( BeginReadOnlyGroupAttribute ) )]
    public class BeginReadOnlyGroupDrawer : DecoratorDrawer {

        public override float GetHeight() { return 0; }

        public override void OnGUI( Rect position ) {
            EditorGUI.BeginDisabledGroup( true );
        }

    }

    [CustomPropertyDrawer( typeof( EndReadOnlyGroupAttribute ) )]
    public class EndReadOnlyGroupDrawer : DecoratorDrawer {

        public override float GetHeight() { return 0; }

        public override void OnGUI( Rect position ) {
            EditorGUI.EndDisabledGroup();
        }

    }
}

#endif