public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
if (FilesOption())
{
foreach (var file in files)
{
string codeBase = Assembly.GetExecutingAssembly().CodeBase;
UriBuilder uri = new UriBuilder(codeBase);
string path = Uri.UnescapeDataString(uri.Path);
var placeholderFile = Path.GetDirectoryName(path) + @"\placeholderFile.rte";
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.OpenAndActivateDocument(file);
Autodesk.Revit.ApplicationServices.Application app = uiapp.Application;
Document doc = uidoc.Document;
AssetSet objlibraryAsset = app.get_Assets(AssetType.Appearance);
#region///判断是否为空视图,若为空视图，切换为3d视图
View3D view = doc.ActiveView as View3D;
if (null == view)
{
IEnumerable <ViewFamilyType> viewFamilyTypes = from elem in new FilteredElementCollector(doc).OfClass(typeof(ViewFamilyType))
let type = elem as ViewFamilyType
where type.ViewFamily == ViewFamily.ThreeDimensional
select type;
Transaction ts = new Transaction(doc, "Change3D");
try
{
ts.Start();
XYZ direction = new XYZ(-1, 1, -1);
View3D view3D = View3D.CreateIsometric(doc, viewFamilyTypes.First().Id);
//View3D view3D = uiDoc.Document.Create.NewView3D(new XYZ(-1, 1, -1));//斜视45度
ts.Commit();
//切换视图必须在事务结束后，否则会提示错误：
//Cannot change the active view of a modifiable document
uidoc.ActiveView = view3D;
}
catch (Exception ex)
{
TaskDialog.Show("ex", ex.ToString());
ts.RollBack();
}
//Util.ErrorMsg("You must be in a 3D view to export.");
}
#endregion
ExportView3D(doc.ActiveView as View3D, CreatFilePath(doc), objlibraryAsset);
//通过占位文件关闭当前文件
var docPlaceholder = commandData.Application.OpenAndActivateDocument(placeholderFile);
doc.Close(false);
}
MessageBox.Show("导出成功！", "通知");
}
return(Result.Succeeded);
}
/// <summary>
/// 加载外观元素到文档中
/// </summary>
/// <param name="revitApp"></param>
public static void loadAppearance(Autodesk.Revit.ApplicationServices.Application revitApp, Document doc, Material mat)
{
AssetSet theAssets = revitApp.get_Assets(AssetType.Appearance);
foreach (Asset theAsset in theAssets)
{
// AppearanceAssetElement assetElem = AppearanceAssetElement.Create(doc, "haipi", theAsset);
// FilteredElementCollector cotr = new FilteredElementCollector(doc);
// IEnumerable<AppearanceAssetElement> allApperar = cotr.OfClass(typeof(AppearanceAssetElement)).Cast<AppearanceAssetElement>();
// mat.AppearanceAssetId = allApperar.First<AppearanceAssetElement>().Id;
}
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Autodesk.Revit.ApplicationServices.Application app = uiapp.Application;
Document doc = uidoc.Document;
AssetSet objlibraryAsset = app.get_Assets(AssetType.Appearance);
///判断是否为空视图
View3D view = doc.ActiveView as View3D;
if (null == view)
{
Util.ErrorMsg("You must be in a 3D view to export.");
}
try
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.Description = "请选择文件保存路径";
if (dialog.ShowDialog() == DialogResult.OK)
{
foldPath = dialog.SelectedPath;
}
string filename = doc.PathName;
if (0 == filename.Length)
{
filename = doc.Title;
}
filename = Path.GetFileNameWithoutExtension(filename) + ".obj";
string subPath = foldPath + "\\" + Path.GetFileNameWithoutExtension(filename);
if (!Directory.Exists(subPath))
{
Directory.CreateDirectory(subPath);
}
filename = Path.Combine(subPath + "\\" + filename);
ExportView3D(doc.ActiveView as View3D, filename, objlibraryAsset);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(Result.Succeeded);
}