public static void ExecuteSubTransaction(Document document, Action action)
{
using (var subTransaction = new SubTransaction(document))
{
try
{
if (subTransaction.Start() == TransactionStatus.Started)
{
action?.Invoke();
}
if (subTransaction.Commit() != TransactionStatus.Committed)
{
subTransaction.RollBack();
}
}
catch (Exception)
{
if (subTransaction.HasStarted())
{
subTransaction.RollBack();
}
throw;
}
}
}
public bool HasStarted()
{
if (transaction is object)
{
return(transaction.HasStarted());
}
if (subTransaction is object)
{
return(subTransaction.HasStarted());
}
return(false);
}
/// <summary>
/// Some preparation and check before creating room.
/// </summary>
/// <param name="curPhase">Current phase used to create room, all rooms will be created in this phase.</param>
/// <returns>Number indicates how many new rooms were created.</returns>
private int RoomCreationStart()
{
int nNewRoomsSize = 0;
// transaction is used to cancel room creation when exception occurs
SubTransaction myTransaction = new SubTransaction(m_document);
try
{
// Preparation before room creation starts
Phase curPhase = null;
if (!RoomCreationPreparation(ref curPhase))
{
return(0);
}
// get all existing rooms which have mapped to spreadsheet rooms.
// we should skip the creation for those spreadsheet rooms which have been mapped by Revit rooms.
Dictionary <int, string> existingRooms = new Dictionary <int, string>();
foreach (Room room in m_roomData.Rooms)
{
Parameter sharedParameter = room.LookupParameter(RoomsData.SharedParam);
if (null != sharedParameter && false == String.IsNullOrEmpty(sharedParameter.AsString()))
{
existingRooms.Add(room.Id.IntegerValue, sharedParameter.AsString());
}
}
#region Rooms Creation and Set
myTransaction.Start();
// create rooms with spread sheet based rooms data
for (int row = 0; row < m_spreadRoomsTable.Rows.Count; row++)
{
// get the ID column value and use it to check whether this spreadsheet room is mapped by Revit room.
String externaId = m_spreadRoomsTable.Rows[row][RoomsData.RoomID].ToString();
if (existingRooms.ContainsValue(externaId))
{
// skip the spreadsheet room creation if it's mapped by Revit room
continue;
}
// create rooms in specified phase, but without placing them.
Room newRoom = m_document.Create.NewRoom(curPhase);
if (null == newRoom)
{
// abort the room creation and pop up failure message
myTransaction.RollBack();
MyMessageBox("Create room failed.", MessageBoxIcon.Warning);
return(0);
}
// set the shared parameter's value of Revit room
Parameter sharedParam = newRoom.LookupParameter(RoomsData.SharedParam);
if (null == sharedParam)
{
// abort the room creation and pop up failure message
myTransaction.RollBack();
MyMessageBox("Failed to get shared parameter, please try again.", MessageBoxIcon.Warning);
return(0);
}
else
{
sharedParam.Set(externaId);
}
// Update this new room with values of spreadsheet
UpdateNewRoom(newRoom, row);
// remember how many new rooms were created, based on spread sheet data
nNewRoomsSize++;
}
// end this transaction if create all rooms successfully.
myTransaction.Commit();
#endregion
}
catch (Exception ex)
{
// cancel this time transaction when exception occurs
if (myTransaction.HasStarted())
{
myTransaction.RollBack();
}
MyMessageBox(ex.Message, MessageBoxIcon.Warning);
return(0);
}
// output unplaced rooms creation message
String strMessage = string.Empty;
int nSkippedRooms = m_spreadRoomsTable.Rows.Count - nNewRoomsSize;
if (nSkippedRooms > 0)
{
strMessage = string.Format("{0} unplaced {1} created successfully.\r\n{2} skipped, {3}",
nNewRoomsSize,
(nNewRoomsSize > 1) ? ("rooms were") : ("room was"),
nSkippedRooms.ToString() + ((nSkippedRooms > 1) ? (" were") : (" was")),
(nSkippedRooms > 1) ? ("because they were already mapped by Revit rooms.") :
("because it was already mapped by Revit rooms."));
}
else
{
strMessage = string.Format("{0} unplaced {1} created successfully.",
nNewRoomsSize,
(nNewRoomsSize > 1) ? ("rooms were") : ("room was"));
}
// output creation message
MyMessageBox(strMessage, MessageBoxIcon.Information);
return(nNewRoomsSize);
}
/// <summary>
/// Some preparation and check before creating room.
/// </summary>
/// <param name="curPhase">Current phase used to create room, all rooms will be created in this phase.</param>
/// <returns>Number indicates how many new rooms were created.</returns>
private int RoomCreationStart()
{
int nNewRoomsSize = 0;
// transaction is used to cancel room creation when exception occurs
SubTransaction myTransaction = new SubTransaction(m_document);
try
{
// Preparation before room creation starts
Phase curPhase = null;
if (!RoomCreationPreparation(ref curPhase))
{
return 0;
}
// get all existing rooms which have mapped to spreadsheet rooms.
// we should skip the creation for those spreadsheet rooms which have been mapped by Revit rooms.
Dictionary<int, string> existingRooms = new Dictionary<int, string>();
foreach (Room room in m_roomData.Rooms)
{
Parameter sharedParameter = room.get_Parameter(RoomsData.SharedParam);
if (null != sharedParameter && false == String.IsNullOrEmpty(sharedParameter.AsString()))
{
existingRooms.Add(room.Id.IntegerValue, sharedParameter.AsString());
}
}
#region Rooms Creation and Set
myTransaction.Start();
// create rooms with spread sheet based rooms data
for (int row = 0; row < m_spreadRoomsTable.Rows.Count; row++)
{
// get the ID column value and use it to check whether this spreadsheet room is mapped by Revit room.
String externaId = m_spreadRoomsTable.Rows[row][RoomsData.RoomID].ToString();
if (existingRooms.ContainsValue(externaId))
{
// skip the spreadsheet room creation if it's mapped by Revit room
continue;
}
// create rooms in specified phase, but without placing them.
Room newRoom = m_document.Create.NewRoom(curPhase);
if (null == newRoom)
{
// abort the room creation and pop up failure message
myTransaction.RollBack();
MyMessageBox("Create room failed.", MessageBoxIcon.Warning);
return 0;
}
// set the shared parameter's value of Revit room
Parameter sharedParam = newRoom.get_Parameter(RoomsData.SharedParam);
if (null == sharedParam)
{
// abort the room creation and pop up failure message
myTransaction.RollBack();
MyMessageBox("Failed to get shared parameter, please try again.", MessageBoxIcon.Warning);
return 0;
}
else
{
sharedParam.Set(externaId);
}
// Update this new room with values of spreadsheet
UpdateNewRoom(newRoom, row);
// remember how many new rooms were created, based on spread sheet data
nNewRoomsSize++;
}
// end this transaction if create all rooms successfully.
myTransaction.Commit();
#endregion
}
catch (Exception ex)
{
// cancel this time transaction when exception occurs
if (myTransaction.HasStarted())
{
myTransaction.RollBack();
}
MyMessageBox(ex.Message, MessageBoxIcon.Warning);
return 0;
}
// output unplaced rooms creation message
String strMessage = string.Empty;
int nSkippedRooms = m_spreadRoomsTable.Rows.Count - nNewRoomsSize;
if (nSkippedRooms > 0)
{
strMessage = string.Format("{0} unplaced {1} created successfully.\r\n{2} skipped, {3}",
nNewRoomsSize,
(nNewRoomsSize > 1) ? ("rooms were") : ("room was"),
nSkippedRooms.ToString() + ((nSkippedRooms > 1) ? (" were") : (" was")),
(nSkippedRooms > 1) ? ("because they were already mapped by Revit rooms.") :
("because it was already mapped by Revit rooms."));
}
else
{
strMessage = string.Format("{0} unplaced {1} created successfully.",
nNewRoomsSize,
(nNewRoomsSize > 1) ? ("rooms were") : ("room was"));
}
// output creation message
MyMessageBox(strMessage, MessageBoxIcon.Information);
return nNewRoomsSize;
}