//

// (C) Copyright 2004 by Autodesk, Inc.

//

// Permission to use, copy, modify, and distribute this software in

// object code form for any purpose and without fee is hereby granted,

// provided that the above copyright notice appears in all copies and

// that both that copyright notice and the limited warranty and

// restricted rights notice below appear in all supporting

// documentation.

//

// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.

// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF

// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.

// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE

// UNINTERRUPTED OR ERROR FREE.

//

// Use, duplication, or disclosure by the U.S. Government is subject to

// restrictions set forth in FAR 52.227-19 (Commercial Computer

// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)

// (Rights in Technical Data and Computer Software), as applicable.

//

using Autodesk.AutoCAD.DatabaseServices;

using System.Diagnostics;

namespace MgdDbg.CompBuilder

{

/// <summary>

/// Derived component builder to direct the made entities into an

/// Anonymous block def.

/// </summary>

public class CompBldrAnonBlkDef : CompBldr

{

public

CompBldrAnonBlkDef(Database db)

: base(db)

{

}

/// <summary>

/// Make the new Anonymous block table record to add our entities to.

/// </summary>

protected override void

SetCurrentBlkTblRec()

{

Debug.Assert(m_trans != null);

// if we've already been started before, then we don't want to create another

// anonymous block, so just re-use the existing one.

if (m_blkDefId.IsNull)

{

m_blkRec = DefineNewAnonymousBlockRec();

}

else

{

m_blkRec = (BlockTableRecord)m_trans.GetObject(m_blkDefId, OpenMode.ForWrite);

}

}

/// <summary>

/// If they are calling Reset, we need to end this block and start another one

/// </summary>

public override void

Reset()

{

base.Reset();

m_blkDefId = ObjectId.Null; // will force new block def

}

/// <summary>

/// Default properties for entities within a block def should be:

/// Layer = 0;

/// Color = ByBlock;

/// Linetype = ByBlock;

///

/// This allows the entities nested in the block def to be controlled by

/// the properties of the individual BlockReference.

/// </summary>

/// <param name="ent">The Entity to set the properties for</param>

public override void

SetToDefaultProps(Entity ent)

{

ent.LayerId = m_db.LayerZero;

ent.ColorIndex = 0; // ByBlock

ent.LinetypeId = m_db.ByBlockLinetype;

}

}

}