Shrlalgo.RvKits/ShrlAlgoToolkit.RevitCore/Extensions/FamilyInstanceExtensions.cs

using System;
using System.Collections.Generic;
using System.Net;
using System.Text;

using Autodesk.Revit.DB;

namespace ShrlAlgoToolkit.RevitCore.Extensions;

internal static class FamilyInstanceExtensions
{
    public static bool IsNested(this Autodesk.Revit.DB.FamilyInstance familyInstance)
    {
        return familyInstance.SuperComponent != null;
    }

    public static bool CanBeMove(this Autodesk.Revit.DB.FamilyInstance familyInstance)
    {
        return !(familyInstance.Symbol.Family.FamilyPlacementType == FamilyPlacementType.WorkPlaneBased &&
            familyInstance.Host == null &&
            familyInstance.HostFace == null);
    }

    public static void DeleteEmptyType(this Document famDocument)
    {
        if(famDocument == null)
        {
            throw new ArgumentNullException(nameof(famDocument));
        }
        if(!famDocument.IsFamilyDocument)
        {
            throw new InvalidOperationException("该文档不是族文档");
        }
        var fm = famDocument.FamilyManager;
        foreach (FamilyType item in fm.Types)
        {
            var b = string.IsNullOrWhiteSpace(item.Name);
            //MessageBox.Show(item.Name);
            if (b)
            {
                fm.CurrentType = item;
                fm.DeleteCurrentType();
            }
        }
    }
    /// <summary>
    /// 是否已连接
    /// </summary>
    /// <param name="ins"></param>
    /// <returns></returns>
    public static bool IsConnectToSystem(this FamilyInstance ins)
    {
        bool hasConnectToSystem = false;
        if (ins.Category.CategoryType != CategoryType.Model)
        {
            return true;
        }
        if (ins.get_BoundingBox(null) != null &&
            ins.MEPModel?.ConnectorManager != null)
        {
            var cons = ins.GetConnectors(false);

            foreach (Connector con in cons)
            {
                if (con.Domain != Domain.DomainElectrical && con.Domain != Domain.DomainUndefined)
                {
                    try
                    {
                        if (con.IsConnected)
                        {
                            hasConnectToSystem = true;
                        }
                    }
                    catch (Exception)
                    {

                    }
                }
            }
        }
        return hasConnectToSystem;

    }
    public static void Rotate(this Autodesk.Revit.DB.FamilyInstance familyInstance, double radian)
    {
        var axis = Line.CreateBound(familyInstance.GetTransform().Origin, familyInstance.GetTransform().Origin + XYZ.BasisZ);
        ElementTransformUtils.RotateElement(familyInstance.Document, familyInstance.Id, axis, radian);
    }

    //extension (Autodesk.Revit.DB.FamilyInstance familyInstance)
    //{
    //    public bool IsNested()
    //    {
    //        return familyInstance.SuperComponent != null;
    //    }
    //}
}