using HStation.Model;
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namespace HStation.Service
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{
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/// <summary>
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/// 连接列表拓展
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/// </summary>
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public static class RevitConnectListExtensions
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{
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/// <summary>
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/// 获取中心位置
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/// </summary>
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/// <param name="list">连接列表</param>
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/// <returns></returns>
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public static RevitPosition GetCenterPosition(this List<RevitConnect> list)
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{
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if (list == null || list.Count < 1)
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{
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return default;
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}
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var pts = list.Select(x => x.Position).ToList();
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return pts.GetCenter();
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}
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/// <summary>
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/// 获取开始连接
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/// </summary>
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/// <param name="list">连接列表</param>
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/// <returns></returns>
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public static RevitConnect GetStartConnect(this List<RevitConnect> list)
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{
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if (list == null || list.Count < 1)
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{
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return default;
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}
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var start = list.Find(x => x.Direction == Direction.Inlet);
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if (start == null)
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{
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start = list.Where(x => x.Direction == Direction.None).FirstOrDefault();
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}
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return start;
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}
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/// <summary>
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/// 获取开始连接列表
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/// </summary>
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/// <param name="list">连接列表</param>
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/// <returns></returns>
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public static List<RevitConnect> GetStartConnects(this List<RevitConnect> list)
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{
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if (list == null || list.Count < 1)
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{
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return default;
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}
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var starts = list.Where(x => x.Direction == Direction.Inlet).ToList();
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return starts;
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}
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/// <summary>
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/// 获取结束连接
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/// </summary>
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/// <param name="list">连接列表</param>
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/// <returns></returns>
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public static RevitConnect GetEndConnect(this List<RevitConnect> list)
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{
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if (list == null || list.Count < 1)
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{
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return default;
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}
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var end = list.Find(x => x.Direction == Direction.Outlet);
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if (end == null)
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{
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end = list.Where(x => x.Direction == Direction.None).LastOrDefault();
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}
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return end;
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}
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/// <summary>
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/// 获取结束连接列表
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/// </summary>
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/// <param name="list">连接列表</param>
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/// <returns></returns>
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public static List<RevitConnect> GetEndConnects(this List<RevitConnect> list)
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{
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if (list == null || list.Count < 1)
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{
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return default;
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}
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var ends = list.Where(x => x.Direction == Direction.Outlet).ToList();
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return ends;
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}
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}
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}
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