/// <summary>
        /// 绘制Bundle Rule 详细配置
        /// </summary>
        private void drawBundleRulePropertys()
        {
            EditorGUILayout.BeginHorizontal(EditorStyles.toolbar);
            GUILayout.Toggle(true, "Bunld Rule Propertys", EditorStyles.toolbarButton, GUILayout.MaxWidth(120));
            GUILayout.Toolbar(0, new[] { "" }, EditorStyles.toolbar, GUILayout.ExpandWidth(true));
            EditorGUILayout.EndHorizontal();

            GUILayout.Space(5);

            AssetElement lastClickItem = treeModel.Find(this.treeViewState.lastClickedID);

            if (lastClickItem != null && lastClickItem.BuildRule != null)
            {
                AssetBuildRule bundleRule = lastClickItem.BuildRule;

                EditorGUIUtility.labelWidth = 120;

                if (EditorGUILayout.Toggle("Preload", bundleRule.LoadType == ELoadType.PreLoad))
                {
                    bundleRule.LoadType = ELoadType.PreLoad;
                }

                bundleRule.PackageType = (PackageAssetType)EditorGUILayout.EnumPopup("Package Type", bundleRule.PackageType);

                if (bundleRule.PackageType == PackageAssetType.OutPackage)
                {
                    //非整包资源
                    bundleRule.DownloadOrder = EditorGUILayout.IntField("Download Order", bundleRule.DownloadOrder);
                }

                //                GUILayout.BeginHorizontal();
                //                GUILayout.Label("Path", GUILayout.Width(50));
                //                EditorGUILayout.TextField(bundleRule.Path);
                //                GUILayout.EndHorizontal();
                GUILayout.Space(5);
                GUILayout.TextArea(bundleRule.Path, GUILayout.MaxWidth(letfGUIWidth - 10), GUILayout.MaxHeight(40));
            }
        }
        public void Reflush()
        {
            AssetElement parentAssetItem = parent as AssetElement;

            if (parentAssetItem.BuildRule.BuildType == (int)BundleBuildType.Ignore) //ignore
            {
                BuildRule.Order     = -1;
                BuildRule.BuildType = (int)BundleBuildType.Ignore;
                return;
            }

            if (this.FileType != FileType.Folder)
            {
                if ((parentAssetItem.BuildRule.BuildType & (int)BundleBuildType.TogetherFiles) != 0)
                {
                    BuildRule.AssetBundleName = parentAssetItem.BuildRule.AssetBundleName;
                    BuildRule.Order           = parentAssetItem.BuildRule.Order;
                    BuildRule.DownloadOrder   = parentAssetItem.BuildRule.DownloadOrder;
                    BuildRule.BuildType       = (int)BundleBuildType.TogetherFiles;
                    return;
                }
            }
            else if (this.FileType == FileType.Folder)
            {
                if ((parentAssetItem.BuildRule.BuildType & (int)BundleBuildType.TogetherFolders) != 0)
                {
                    BuildRule.AssetBundleName = parentAssetItem.BuildRule.AssetBundleName;
                    BuildRule.Order           = parentAssetItem.BuildRule.Order;
                    BuildRule.DownloadOrder   = parentAssetItem.BuildRule.DownloadOrder;
                    BuildRule.BuildType       = (int)(BundleBuildType.TogetherFolders | BundleBuildType.TogetherFiles);
                    return;
                }
            }

            //bundle name
            string curBundleName    = Path.GetFileNameWithoutExtension(BuildRule.AssetBundleName);
            string parentBundleName = parentAssetItem.BuildRule.AssetBundleName;

            if (!string.IsNullOrEmpty(parentBundleName))
            {
                if (!fileName.Equals(curBundleName) && !parentAssetItem.name.Equals(curBundleName))
                {
                    BuildRule.AssetBundleName = string.Concat(parentBundleName, "/", curBundleName);
                }
                else
                {
                    BuildRule.AssetBundleName = string.Concat(parentBundleName, "/", fileName);
                }
            }

            //打包顺序
            int offsetOrder = this.BuildRule.Order % 1000;

            if (BuildRule.FileFilterType == FileType.Folder)
            {
                //未设置的情况
                BuildRule.FileFilterType = parentAssetItem.BuildRule.FileFilterType;
            }
            BuildRule.Order = BuildUtil.GetFileOrder(BuildRule.FileFilterType) + offsetOrder;

            if (BuildRule.BuildType == (int)BundleBuildType.Ignore)
            {
                BuildRule.Order = -1;
            }

            //            BuildRule.BuildType = (int)BundleBuildType.Separate;

            //下载顺序 todo
        }