///<overloads>
/// <summmary>
/// You can not edit a dependent block(a block that is inside from xref) from the referenced drawing.
/// The default is not to include dependent blocks since typically you will work on blocks that are contained
/// inside the drawing, and it saves time by not opening the DbObject and comparing
/// BlockTableRecord.ObjectId.OriginalDatabase.UnmanagedObject to the BlockTable.Database.UnmanagedObject property.
/// </summmary>
/// </overloads>
/// <summary>
/// Gets the block table records.
/// </summary>
/// <param name="symbolTbl">The symbol table.</param>
/// <param name="trx">The TRX.</param>
/// <param name="mode">The mode.</param>
/// <param name="filter"><see cref="SymbolTableRecordFilter"/>.</param>
/// <returns>IEnumerable{BlockTableRecord}</returns>
public static IEnumerable <BlockTableRecord> GetBlockTableRecords(this BlockTable symbolTbl, Transaction trx,
OpenMode mode = OpenMode.ForRead, SymbolTableRecordFilter filter = SymbolTableRecordFilter.None)
{
if (filter.IsSet(SymbolTableRecordFilter.IncludeDependent))
{
return(symbolTbl.GetSymbolTableRecords <BlockTableRecord>(trx, mode, filter, true));
}
return(symbolTbl.GetSymbolTableRecords <BlockTableRecord>(trx, mode, filter, true).NonDependent());
}
///<overloads>
/// <summmary>
/// You can not edit a dependent block(a block that is inside from xref) from the referenced drawing.
/// The default is not to include dependent blocks since typically you will work on blocks that are contained
/// inside the drawing, and it saves time by not opening the DbObject and comparing
/// BlockTableRecord.ObjectId.OriginalDatabase.UnmanagedObject to the BlockTable.Database.UnmanagedObject property.
/// </summmary>
/// </overloads>
/// <summary>
/// Gets the block table records.
/// </summary>
/// <param name="symbolTbl">The symbol table.</param>
/// <param name="trx">The TRX.</param>
/// <param name="mode">The mode.</param>
/// <param name="filter"><see cref="SymbolTableRecordFilter"/>.</param>
/// <returns>IEnumerable{BlockTableRecord}</returns>
public static IEnumerable<BlockTableRecord> GetBlockTableRecords(this BlockTable symbolTbl, Transaction trx,
OpenMode mode = OpenMode.ForRead, SymbolTableRecordFilter filter = SymbolTableRecordFilter.None)
{
if (filter.IsSet(SymbolTableRecordFilter.IncludeDependent))
{
return symbolTbl.GetSymbolTableRecords<BlockTableRecord>(trx, mode, filter, true);
}
return symbolTbl.GetSymbolTableRecords<BlockTableRecord>(trx, mode, filter, true).NonDependent();
}
/// <summary>
/// Gets the symbol table records.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="symbolTbl">The symbol table.</param>
/// <param name="trx">The TRX.</param>
/// <param name="mode">The mode.</param>
/// <param name="filter">The filter.</param>
/// <param name="filterDependecyById">if set to <c>true</c> [filter dependecy by identifier].</param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
internal static IEnumerable<T> GetSymbolTableRecords<T>(this SymbolTable symbolTbl, Transaction trx,
OpenMode mode, SymbolTableRecordFilter filter, bool filterDependecyById) where T : SymbolTableRecord
{
if (trx == null)
{
throw new Exception(ErrorStatus.NoActiveTransactions);
}
bool includingErased = filter.IsSet(SymbolTableRecordFilter.IncludedErased);
if (filter.IsSet(SymbolTableRecordFilter.IncludeDependent))
{
foreach (ObjectId id in includingErased ? symbolTbl.IncludingErased : symbolTbl)
{
yield return (T)trx.GetObject(id, mode, includingErased, false);
}
}
else
{
if (filterDependecyById)
{
IntPtr dbIntPtr = symbolTbl.Database.UnmanagedObject;
foreach (ObjectId id in includingErased ? symbolTbl.IncludingErased : symbolTbl)
{
if (id.OriginalDatabase.UnmanagedObject == dbIntPtr)
{
yield return (T)trx.GetObject(id, mode, includingErased, false);
}
}
}
else
{
foreach (ObjectId id in includingErased ? symbolTbl.IncludingErased : symbolTbl)
{
T current = (T)trx.GetObject(id, mode, includingErased, false);
if (!current.IsDependent)
{
yield return current;
}
}
}
}
}
