public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
var uidoc = commandData.Application.ActiveUIDocument;
var doc = uidoc.Document;
var sel = uidoc.Selection;
var ids = sel.GetElementIds().ToList();
string m = "";
if (ids.Count == 0)
{
var pick = sel.PickObject(ObjectType.Element, "选择一个构件");
ids.Add(pick.ElementId);
}
var fi = doc.GetElement(ids.First()) as FamilyInstance;
if (fi == null)
{
m = "not a family instance.";
}
else
{
var host = fi.Host;
if (host == null)
{
m = "no host.";
}
else
{
m = fi.Host.Id.ToString();
}
}
UserMessages.ShowMessage(m);
int idInt;
bool b = int.TryParse(m, out idInt);
if (b)
{
System.Windows.Forms.Clipboard.SetText(m);
sel.SetElementIds(new List <ElementId>()
{
new ElementId(idInt)
});
}
return(Result.Succeeded);
}
private void stopTracking(string message, bool showMessageBox)
{
try
{
stopTracking();
this.label.Text = message;
if (showMessageBox)
{
UserMessages.ShowMessage(message);
}
if (this.StopTask)
{
this.StopTask = false;
}
}
catch (Exception ex)
{
UserMessages.ShowErrorMessage(ex, this.form);
}
}
/// <summary>
/// TRANSACTIONS INSIDE.
/// Execute all operators in three steps.
/// Also checks host problem, if any, fix and prompt user
/// to restart operation.
/// </summary>
public static void Operation123(Document _doc, IEnumerable <ElementOperator> _ops)
{
var removers = _ops.Where(x => x is ElementRemover);
var nonRemovers = _ops.Where(x => x is ElementRemover == false);
var ds = new DialogSuppressor();
string errorMsg = "操作未完成。";
using (Transaction trans = new Transaction(_doc, "preprocess"))
{
ds.UseInTransaction(trans);
trans.Start();
foreach (var op in nonRemovers)
{
op.PreProcess();
}
trans.Commit();
if (trans.GetStatus() != TransactionStatus.Committed)
{
throw new TransactionNotCommitedException(errorMsg);
}
}
execute:
using (Transaction trans = new Transaction(_doc, "execute"))
{
ds.UseInTransaction(trans);
trans.Start();
foreach (var op in nonRemovers)
{
if (!op.Cancel)
{
op.Execute();
}
}
if (FamilyCreator.HostsWithInstanceFaceProblem.Count > 0)
{
trans.RollBack();
}
else
{
trans.Commit();
if (trans.GetStatus() != TransactionStatus.Committed)
{
throw new TransactionNotCommitedException(errorMsg);
}
}
}
//the geometry face retrieved from it might be in one of two states:
//A, directly retrieved from instance. The stable reference string does not contain "INSTANCE", or;
//B, retrieved from symbol geometry first, then apply instance transform. The stable reference string contains "INSTANCE".
//State B might result in failure of creating new instance on face, even when the line stays
//perfectly inside face.
//To avoid this problem, a face with state A must be ensured.
//A join operation of the host will make sure that faces retrieve from it
//will always be in state A.
if (FamilyCreator.HostsWithInstanceFaceProblem.Count > 0)
{
UserMessages.ShowMessage("某些主体图元导致本次操作失败。已修复这些图元，请重新进行操作。");
using (Transaction trans = new Transaction(_doc, "fix"))
{
ds.UseInTransaction(trans);
trans.Start();
foreach (var host in FamilyCreator.HostsWithInstanceFaceProblem)
{
HostUtils.FixInstanceFaceProblem(host);
}
trans.Commit();
}
}
FamilyCreator.HostsWithInstanceFaceProblem.Clear();
using (Transaction trans = new Transaction(_doc, "postprocess"))
{
ds.UseInTransaction(trans);
trans.Start();
foreach (var op in nonRemovers)
{
if (!op.Cancel)
{
op.PostProcess();
}
}
trans.Commit();
if (trans.GetStatus() != TransactionStatus.Committed)
{
throw new TransactionNotCommitedException(errorMsg);
}
}
//hand and facing need second round of set.
var ctrs = nonRemovers
.Where(x => x is WallBasedFamilyCreator ||
x is FaceBasedFamilyCreator).ToList();
if (ctrs.Count > 0)
{
using (Transaction trans = new Transaction(_doc, "postprocess 2"))
{
ds.UseInTransaction(trans);
trans.Start();
foreach (var ctr in ctrs)
{
if (!ctr.Cancel)
{
ctr.PostProcess();
}
}
trans.Commit();
if (trans.GetStatus() != TransactionStatus.Committed)
{
throw new TransactionNotCommitedException(errorMsg);
}
}
}
//delete elements
using (Transaction trans = new Transaction(_doc, "delete"))
{
trans.Start();
foreach (var op in removers)
{
op.Execute();
}
trans.Commit();
}
}
