/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public virtual Result Execute(ExternalCommandData commandData
, ref string message, ElementSet elements)
{
try
{
Document document = commandData.Application.ActiveUIDocument.Document;
ICollection <ElementId> datums = commandData.Application.ActiveUIDocument.Selection.GetElementIds();
Autodesk.Revit.DB.View view = commandData.Application.ActiveUIDocument.ActiveView;
if (datums == null || datums.Count == 0)
{
return(Result.Cancelled);
}
//// Show UI
using (DatumStyleSetting settingForm = new DatumStyleSetting())
{
if (settingForm.ShowDialog() == DialogResult.OK)
{
using (Transaction tran = new Transaction(document, "StyleModification"))
{
tran.Start();
foreach (ElementId datumRef in datums)
{
DatumPlane datum = document.GetElement(datumRef) as DatumPlane;
if (showLeftBubble)
{
datum.ShowBubbleInView(DatumEnds.End0, view);
}
else
{
datum.HideBubbleInView(DatumEnds.End0, view);
}
if (showRightBubble)
{
datum.ShowBubbleInView(DatumEnds.End1, view);
}
else
{
datum.HideBubbleInView(DatumEnds.End1, view);
}
if (changeLeftEnd2D)
{
datum.SetDatumExtentType(DatumEnds.End0, view, DatumExtentType.ViewSpecific);
}
else
{
datum.SetDatumExtentType(DatumEnds.End0, view, DatumExtentType.Model);
}
if (changeRightEnd2D)
{
datum.SetDatumExtentType(DatumEnds.End1, view, DatumExtentType.ViewSpecific);
}
else
{
datum.SetDatumExtentType(DatumEnds.End1, view, DatumExtentType.Model);
}
if (addLeftElbow && datum.GetLeader(DatumEnds.End0, view) == null)
{
datum.AddLeader(DatumEnds.End0, view);
}
else if (datum.GetLeader(DatumEnds.End0, view) != null)
{
Leader leader = datum.GetLeader(DatumEnds.End0, view);
leader = CalculateLeader(leader, addLeftElbow);
datum.SetLeader(DatumEnds.End0, view, leader);
}
if (addRightElbow && datum.GetLeader(DatumEnds.End1, view) == null)
{
datum.AddLeader(DatumEnds.End1, view);
}
else if (datum.GetLeader(DatumEnds.End1, view) != null)
{
Leader leader = datum.GetLeader(DatumEnds.End1, view);
leader = CalculateLeader(leader, addRightElbow);
datum.SetLeader(DatumEnds.End1, view, leader);
}
}
tran.Commit();
}
}
}
return(Result.Succeeded);
}
catch (Exception ex)
{
message = ex.Message;
return(Result.Failed);
}
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
try
{
using (Transaction t = new Transaction(doc, "Correct grid bubbles"))
{
t.Start();
foreach (ElementId elemId in uidoc.Selection.GetElementIds())
{
Element SelectedElem = doc.GetElement(elemId);
if (SelectedElem is DatumPlane)
{
DatumPlane xGrid = SelectedElem as DatumPlane;
IList <Curve> CurvesInGrid = xGrid.GetCurvesInView(DatumExtentType.ViewSpecific, uidoc.ActiveView);
Curve cv = CurvesInGrid.First(); // only one segment grids allowed
XYZ cvStart = cv.GetEndPoint(0);
XYZ cvEnd = cv.GetEndPoint(1);
XYZ cvTop = null;
XYZ cvLeft = null;
#region FIND TOP AND LEFT
if (Convert.ToInt32(cvStart.Y) == Convert.ToInt32(cvEnd.Y)) // then its a horizontal line
{
if (cvStart.X < cvEnd.X) // drawn left to right, keep start X--------->
{
cvLeft = cvStart;
}
else if (cvStart.X > cvEnd.X) // drawn right to left, keep end <---------X
{
cvLeft = cvEnd;
}
}
else if (Convert.ToInt32(cvStart.X) == Convert.ToInt32(cvEnd.X)) // then its a vertical
{
if (cvStart.Y < cvEnd.Y) // drawn bottom to top, keep end
{
cvTop = cvEnd;
}
else if (cvStart.Y > cvEnd.Y) // drawn top to bottom, keep start
{
cvTop = cvStart;
}
}
#endregion
// Use top and left, and start and end to find which endpoint to turn on
if ((cvLeft != null && cvLeft.IsAlmostEqualTo(cvStart)) || (cvTop != null && cvTop.IsAlmostEqualTo(cvStart))) // the grid was drawn correctly
{
xGrid.ShowBubbleInView(DatumEnds.End0, uidoc.ActiveView);
xGrid.HideBubbleInView(DatumEnds.End1, uidoc.ActiveView);
}
else if ((cvLeft != null && cvLeft.IsAlmostEqualTo(cvEnd)) || cvTop != null && cvTop.IsAlmostEqualTo(cvEnd)) // the grid was drawn the other way around
{
xGrid.ShowBubbleInView(DatumEnds.End1, uidoc.ActiveView);
xGrid.HideBubbleInView(DatumEnds.End0, uidoc.ActiveView);
}
}
}
t.Commit();
}
return(Result.Succeeded);
}
catch (Exception ex)
{
Utils.CatchDialog(ex);
return(Result.Failed);
}
}