/// <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 Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
ref string message, Autodesk.Revit.DB.ElementSet elements)
{
Transaction transaction = new Transaction(commandData.Application.ActiveUIDocument.Document, "External Tool");
try
{
transaction.Start();
ElementSet elems = commandData.Application.ActiveUIDocument.Selection.Elements;
#region selection error handle
//if user have some wrong selection, give user an Error message
if (1 != elems.Size)
{
message = "please select one PathReinforcement.";
return(Autodesk.Revit.UI.Result.Cancelled);
}
Autodesk.Revit.DB.Element selectElem = null;
foreach (Autodesk.Revit.DB.Element e in elems)
{
selectElem = e;
}
if (!(selectElem is Autodesk.Revit.DB.Structure.PathReinforcement))
{
message = "please select one PathReinforcement.";
return(Autodesk.Revit.UI.Result.Cancelled);
}
#endregion
//clear all rebar bar type.
if (s_rebarBarTypes.Count > 0)
{
s_rebarBarTypes.Clear();
}
//get all bar type.
FilteredElementCollector collector = new FilteredElementCollector(commandData.Application.ActiveUIDocument.Document);
FilteredElementIterator itor = collector.OfClass(typeof(RebarBarType)).GetElementIterator();
itor.Reset();
while (itor.MoveNext())
{
RebarBarType bartype = itor.Current as RebarBarType;
if (null != bartype)
{
Autodesk.Revit.DB.ElementId id = bartype.Id;
String name = bartype.Name;
s_rebarBarTypes.Add(name, id);
}
}
//Create a form to view the path reinforcement.
Autodesk.Revit.DB.Structure.PathReinforcement pathRein = selectElem as
Autodesk.Revit.DB.Structure.PathReinforcement;
using (PathReinforcementForm form = new PathReinforcementForm(pathRein, commandData))
{
form.ShowDialog();
}
}
catch (Exception e)
{
transaction.RollBack();
message = e.Message;
return(Autodesk.Revit.UI.Result.Failed);
}
finally
{
transaction.Commit();
}
return(Autodesk.Revit.UI.Result.Succeeded);
}
/// <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 Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
ref string message, Autodesk.Revit.DB.ElementSet elements)
{
Transaction transaction = new Transaction(commandData.Application.ActiveUIDocument.Document, "External Tool");
try
{
transaction.Start();
ElementSet elems = commandData.Application.ActiveUIDocument.Selection.Elements;
#region selection error handle
//if user have some wrong selection, give user an Error message
if (1 != elems.Size)
{
message = "please select one PathReinforcement.";
return Autodesk.Revit.UI.Result.Cancelled;
}
Autodesk.Revit.DB.Element selectElem = null;
foreach (Autodesk.Revit.DB.Element e in elems)
{
selectElem = e;
}
if (!(selectElem is Autodesk.Revit.DB.Structure.PathReinforcement))
{
message = "please select one PathReinforcement.";
return Autodesk.Revit.UI.Result.Cancelled;
}
#endregion
//clear all rebar bar type.
if (s_rebarBarTypes.Count > 0)
{
s_rebarBarTypes.Clear();
}
//get all bar type.
FilteredElementCollector collector = new FilteredElementCollector(commandData.Application.ActiveUIDocument.Document);
FilteredElementIterator itor = collector.OfClass(typeof(RebarBarType)).GetElementIterator();
itor.Reset();
while (itor.MoveNext())
{
RebarBarType bartype = itor.Current as RebarBarType;
if (null != bartype)
{
Autodesk.Revit.DB.ElementId id = bartype.Id;
String name = bartype.Name;
s_rebarBarTypes.Add(name, id);
}
}
//Create a form to view the path reinforcement.
Autodesk.Revit.DB.Structure.PathReinforcement pathRein = selectElem as
Autodesk.Revit.DB.Structure.PathReinforcement;
using (PathReinforcementForm form = new PathReinforcementForm(pathRein, commandData))
{
form.ShowDialog();
}
}
catch (Exception e)
{
transaction.RollBack();
message = e.Message;
return Autodesk.Revit.UI.Result.Failed;
}
finally
{
transaction.Commit();
}
return Autodesk.Revit.UI.Result.Succeeded;
}