Revit.Plugln/FWindSoft/FWindSoft.Revit/Extension/ApplicationExtension.cs

/*-------------------------------------------------------------------------
 * 功能描述：ApplicationExtension
 * 作者：xulisong
 * 创建时间： 2019/3/12 11:30:00
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

namespace FWindSoft.Revit
{
    public static class ApplicationExtension
    {
        public static Selection GetSelection(this UIApplication app)
        {
            UIDocument doc = app.ActiveUIDocument;
            if (doc != null)
                return doc.Selection;
            return null;
        }
        public static void AddSelectElements(this UIApplication uiApp, List<Element> elements)
        {
            if (elements == null || elements.Count == 0)
                return;
            Selection selection = uiApp.GetSelection();
            if (selection == null) return;
            List<ElementId> idList = selection.GetElementIds().ToList();
            elements.ForEach(p => idList.Add(p.Id));
            selection.SetElementIds(idList);
        }
        public static void ClearSelectElements(this UIApplication uiApp)
        {
            Selection selection = uiApp.GetSelection();
            if (selection == null) return;
            selection.SetElementIds(new List<ElementId>());
        }
        public static void SelectElements(this UIApplication uiApp, List<Element> elements)
        {
            Selection selection = uiApp.GetSelection();
            if (selection == null) return;
            List<ElementId> idList = new List<ElementId>();
            elements.ForEach(p => idList.Add(p.Id));
            selection.SetElementIds(idList);
        }
        public static void SetShowElements(this UIApplication uiApp, List<Element> elements)
        {
            if (elements == null|| elements.Count==0)
                return;
            ElementSet set = new ElementSet();
            elements.ForEach(e => set.Insert(e));
            uiApp.ActiveUIDocument.ShowElements(set);
            uiApp.SelectElements(elements);
        }

    }
}