using UnityEngine;
using UnityEditor.UI;
using UnityEditor;
using XRTool.Util;

namespace XRTool.WorldUI
{
    [InitializeOnLoad]
    [CustomEditor(typeof(XRSlider))]
    public class XRSliderEditor : SliderEditor
    {
        [MenuItem("GameObject/XRUI/XRSlider", priority = 0)]
        static void Init()
        {
            var obj = Instantiate(Resources.Load<XRSlider>(typeof(XRSlider).Name));
            obj.name = (typeof(XRSlider).Name);
            if (obj)
            {
                var parent = Selection.activeGameObject;
                if (!parent)
                {
                    var canvas = GameObject.FindObjectsOfType(typeof(Canvas));
                    if (canvas != null)
                    {
                        for (int i = 0; i < canvas.Length; i++)
                        {
                            if ((canvas[i] as Canvas).renderMode == RenderMode.WorldSpace)
                            {
                                parent = (canvas[i] as Canvas).gameObject;
                                break;
                            }
                        }
                    }
                }
                UnityUtil.SetParent(parent ? parent.transform : null, obj.transform);
                Selection.activeGameObject = obj.gameObject;
            }
        }
    }
}