office-gobmx/configmgr/source/treemgr/nodefactory.cxx
2001-06-20 19:43:00 +00:00

220 lines
8 KiB
C++

/*************************************************************************
*
* $RCSfile: nodefactory.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: jb $ $Date: 2001-06-20 20:43:00 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <stdio.h>
#include "nodefactory.hxx"
#include "nodeimplobj.hxx"
#include "configpath.hxx"
#include "cmtreemodel.hxx"
#include <osl/diagnose.h>
namespace configmgr
{
namespace configuration
{
//-----------------------------------------------------------------------------
// Creating Specific types of nodes
//-----------------------------------------------------------------------------
namespace
{
//---------------------------------------------------------------------
static bool isTreeSet(ISubtree& rOriginal, Template* pTemplate)
{
OSL_ENSURE(pTemplate,"ERROR: Trying to instantiate a set without a template");
if (!pTemplate) throw Exception("ERROR: Trying to instantiate a set without a template");
OSL_ENSURE(pTemplate->getName().toString() == rOriginal.getElementTemplateName(),
"WARNING: Template name mismatch creating a set node");
return ! pTemplate->isInstanceValue();
}
//---------------------------------------------------------------------
struct ReadOnlyNodeFactory : NodeFactory
{
NodeImplHolder makeValueNode(ValueNode& rOriginal);
NodeImplHolder makeGroupNode(ISubtree& rOriginal);
NodeImplHolder makeSetNode (ISubtree& rOriginal, Template* pTemplate);
};
//-------------------------------------------------------------------------
NodeImplHolder ReadOnlyNodeFactory::makeValueNode(ValueNode& rOriginal)
{
return new ReadOnlyValueElementNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder ReadOnlyNodeFactory::makeGroupNode(ISubtree& rOriginal)
{
return new ReadOnlyGroupNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder ReadOnlyNodeFactory::makeSetNode (ISubtree& rOriginal, Template* pTemplate)
{
if (isTreeSet(rOriginal,pTemplate))
return new ReadOnlyTreeSetNodeImpl(rOriginal,pTemplate);
else
return new ReadOnlyValueSetNodeImpl(rOriginal,pTemplate);
}
//-------------------------------------------------------------------------
//-----------------------------------------------------------------------------
struct DirectNodeFactory : NodeFactory
{
NodeImplHolder makeValueNode(ValueNode& rOriginal);
NodeImplHolder makeGroupNode(ISubtree& rOriginal);
NodeImplHolder makeSetNode (ISubtree& rOriginal, Template* pTemplate);
};
//-------------------------------------------------------------------------
NodeImplHolder DirectNodeFactory::makeValueNode(ValueNode& rOriginal)
{
return new DirectValueElementNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder DirectNodeFactory::makeGroupNode(ISubtree& rOriginal)
{
return new DirectGroupNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder DirectNodeFactory::makeSetNode (ISubtree& rOriginal, Template* pTemplate)
{
if (isTreeSet(rOriginal,pTemplate))
return new DirectTreeSetNodeImpl(rOriginal,pTemplate);
else
return new DirectValueSetNodeImpl(rOriginal,pTemplate);
}
//-------------------------------------------------------------------------
//-----------------------------------------------------------------------------
struct DeferredNodeFactory : NodeFactory
{
NodeImplHolder makeValueNode(ValueNode& rOriginal);
NodeImplHolder makeGroupNode(ISubtree& rOriginal);
NodeImplHolder makeSetNode (ISubtree& rOriginal, Template* pTemplate);
};
//-------------------------------------------------------------------------
NodeImplHolder DeferredNodeFactory::makeValueNode(ValueNode& rOriginal)
{
return new DeferredValueElementNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder DeferredNodeFactory::makeGroupNode(ISubtree& rOriginal)
{
return new DeferredGroupNodeImpl(rOriginal);
}
//-------------------------------------------------------------------------
NodeImplHolder DeferredNodeFactory::makeSetNode (ISubtree& rOriginal, Template* pTemplate)
{
if (isTreeSet(rOriginal,pTemplate))
return new DeferredTreeSetNodeImpl(rOriginal,pTemplate);
else
return new DeferredValueSetNodeImpl(rOriginal,pTemplate);
}
//-------------------------------------------------------------------------
//-----------------------------------------------------------------------------
}
//-----------------------------------------------------------------------------
namespace NodeType
{
// Different standard (static) factories
//---------------------------------------------------------------------
/// provides a factory for read-only node implementations
NodeFactory& getReadAccessFactory()
{
static ReadOnlyNodeFactory aFactory;
return aFactory;
}
/// provides a factory for immediately commiting node implementations
NodeFactory& getDirectAccessFactory()
{
static DirectNodeFactory aFactory;
return aFactory;
}
/// provides a factory for nodes that cache changes temporarily
NodeFactory& getDeferredChangeFactory()
{
static DeferredNodeFactory aFactory;
return aFactory;
}
//---------------------------------------------------------------------
}
//-----------------------------------------------------------------------------
}
}