using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

namespace ShrlAlgo.Addin.Test
{
    [Transaction(TransactionMode.Manual)]
    [Regeneration(RegenerationOption.Manual)]
    public class SetHeight : IExternalCommand
    {
        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            //程序UI界面
            var uiapp = commandData.Application;
            //获取元素（选择） 显示元素 视图（活动视图）管理（对象）
            var uidoc = uiapp.ActiveUIDocument;
            //程序
            var app = uiapp.Application;
            //获取位置和场地 视图（多个视图）管理 获取元素（Revit 项目里的全部元素）
            var doc = uidoc.Document;
            //获取所有打开文档
            var docset = uiapp.Application.Documents;
            //当前视图
            var view = doc.ActiveView;

            var ids = uidoc.Selection.GetElementIds();
            using (var ts = new Transaction(doc, "设置净高"))
            {
                ts.Start();
                try
                {
                    foreach (var id in ids)
                    {
                        var elem = doc.GetElement(id);
                        var param = elem.GetParameters("h").FirstOrDefault();
                        var height = elem.GetParameters("净高").FirstOrDefault();
                        height.Set(param.AsValueString());
                    }
                }
                catch (Exception)
                {
                    return Result.Failed;
                }

                ts.Commit();
            }
            return Result.Succeeded;
        }
    }
}