public RevitUI.Result Execute(RevitUI.ExternalCommandData commandData, ref string message, RevitDB.ElementSet elements)
{
RevitUI.UIDocument uidoc = commandData.Application.ActiveUIDocument;
RevitDB.Document doc = uidoc.Document;
if (doc.IsFamilyDocument)//感觉族文档没必要
{
RevitUI.TaskDialog.Show("Revit", "该操作仅适用项目文档，不适用族文档！");
return(RevitUI.Result.Succeeded);
}
try
{
RevitDB.View view = doc.ActiveView; //当前视图
ICollection <RevitDB.ElementId> ids = uidoc.Selection.GetElementIds(); //选择对象
if (0 == ids.Count) //如果没有选择
{
if (view is RevitDB.ViewSection) //当前视图为立面视图且没有选择对象时退出
{
return(RevitUI.Result.Succeeded);
}
else if (view is RevitDB.View3D)//当前视图为三维视图且没有选择对象时切换至原楼层平面视图
{
RevitDB.FilteredElementCollector collectL = new RevitDB.FilteredElementCollector(doc);
ICollection <RevitDB.Element> collectionL = collectL.OfClass(typeof(RevitDB.View)).ToElements();
foreach (RevitDB.Element element in collectionL)
{
RevitDB.View v = element as RevitDB.View;
if (view.ViewName == "三维视图_" + v.ViewType.ToString() + "_" + v.ViewName)
{
if (!v.IsTemplate)
{
uidoc.ActiveView = v;
break;
}
}
}
return(RevitUI.Result.Succeeded);
}//未选择对象时列出当前视图所有可见对象
RevitDB.FilteredElementCollector collector = new RevitDB.FilteredElementCollector(doc, view.Id).WhereElementIsNotElementType();
ids = collector.ToElementIds();
}
RevitDB.Transaction ts = new RevitDB.Transaction(doc, "Create_View3D");
ts.Start();
bool fg = true;
RevitDB.FilteredElementCollector collect = new RevitDB.FilteredElementCollector(doc);
ICollection <RevitDB.Element> collection = collect.OfClass(typeof(RevitDB.View3D)).ToElements();
RevitDB.View3D view3d = null;
foreach (RevitDB.Element element in collection)
{
RevitDB.View3D v = element as RevitDB.View3D;
if (v.ViewName == "三维视图_" + view.ViewType.ToString() + "_" + view.ViewName)
{
if (!v.IsTemplate)
{
view3d = v;
fg = false;//已生成过当前视图的三维视图
break;
}
}
}
if (fg)
{
RevitDB.ViewFamilyType viewFamilyType = null;
collect = new RevitDB.FilteredElementCollector(doc);
var viewFamilyTypes = collect.OfClass(typeof(RevitDB.ViewFamilyType)).ToElements();
foreach (RevitDB.Element e in viewFamilyTypes)
{
RevitDB.ViewFamilyType v = e as RevitDB.ViewFamilyType;
if (v.ViewFamily == RevitDB.ViewFamily.ThreeDimensional)
{
viewFamilyType = v;
break;
}
}
view3d = RevitDB.View3D.CreateIsometric(doc, viewFamilyType.Id);
view3d.ViewName = "三维视图_" + view.ViewType.ToString() + "_" + view.ViewName;
}
ts.Commit();
uidoc.ActiveView = view3d;//设置生成的三维视图为当前视图
RevitDB.Transaction tss = new RevitDB.Transaction(doc, "View3D_HideElements");
tss.Start();
if (fg)
{
view = doc.ActiveView;
collect = new RevitDB.FilteredElementCollector(doc, view.Id).WhereElementIsNotElementType();
ICollection <RevitDB.ElementId> idss = collect.ToElementIds();
ICollection <RevitDB.ElementId> ds = idss;
ds = idss.Except(ids).ToList();
ids.Clear();
foreach (RevitDB.ElementId id in ds)
{
RevitDB.Element element = doc.GetElement(id);
if (element.CanBeHidden(view) == true)
{
ids.Add(id);
}
}
view.HideElementsTemporary(ids);//临时隐藏其他图元
}
tss.Commit();
}
catch (Exception)
{
return(RevitUI.Result.Cancelled);
}
return(RevitUI.Result.Succeeded);
}
