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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef CONFIGMGR_COLLECTCHANGES_HXX_
#define CONFIGMGR_COLLECTCHANGES_HXX_
// low.level (cache model) changes (needed for change tree action class)
#include "change.hxx"
// pathes for accessors
#include "configpath.hxx"
// need c_TreeDepthAll
#include "tree.hxx"
namespace configmgr
{
//-----------------------------------------------------------------------------
namespace configuration
{
//-----------------------------------------------------------------------------
class NodeChangeData;
class NodeChangeLocation;
class NodeChangeInformation;
class NodeChangesInformation;
//-----------------------------------------------------------------------------
/// Change model translation: Create a NodeChangeData from a ValueChange object
bool convertNodeChange(NodeChangeData& aData_, ValueChange const& aChange_);
/// Change model translation: Create a NodeChangeData from an AddNode change object
bool convertNodeChange(NodeChangeData& aData_, AddNode const& aChange_);
/// Change model translation: Create a NodeChangeData from a RemoveNode change object
bool convertNodeChange(NodeChangeData& aData_, RemoveNode const& aChange_);
/** Change Tree Visitor that appends all changes in the changes tree
to a NodeChanges list, optionally restricted to a given depth
*/
class CollectChanges : private ChangeTreeAction
{
NodeChangesInformation& m_rTargetList;
RelativePath m_aAccessor;
rtl::OUString m_aContextTypeName;
Tree* m_pBaseTree;
unsigned int m_nBaseNode;
unsigned int m_nDepthLeft;
public:
/// Constructs a Visitor object, sets the output target list and context
CollectChanges( NodeChangesInformation& rTargetList_,
Tree& rStartTree_, unsigned int nStartNode_,
rtl::Reference<Template> aElementTemplate_,
unsigned int nMaxDepth = c_TreeDepthAll);
/// Adds a (translated) ValueChange to the target list
void collectFrom(ValueChange const& aChange_);
/// Adds a (translated) AddNode to the target list
void collectFrom(AddNode const& aChange_);
/// Adds a (translated) RemoveNode to the target list
void collectFrom(RemoveNode const& aChange_);
/// Appends (translated) Changes from the subtree to the target list, possibly with a depth limit
void collectFrom(SubtreeChange const& aChange_);
/// Appends the given Change and its descendants to the target list, possibly with a depth limit
void collectFrom(Change const& aChange_)
{
this->applyToChange( aChange_ );
}
/// Appends the descendants of the given Change to the target list, possibly with a depth limit
void collectFromChildren(SubtreeChange const& aParent_)
{
this->applyToChildren( aParent_ );
}
protected:
/// Constructs a Visitor object for a child of another one's context
CollectChanges( CollectChanges const& rBase, Path::Component const& rChildName, rtl::OUString const& aSubTypeName );
private:
// ChangeTreeAction implementations
virtual void handle(ValueChange const& aValueNode);
virtual void handle(AddNode const& aAddNode);
virtual void handle(RemoveNode const& aRemoveNode);
virtual void handle(SubtreeChange const& aSubtree);
bool implSetLocation(NodeChangeLocation& rLocation_, Change const& aOriginal_, bool bSet_) const;
void implAdd(NodeChangeInformation const& aChangeInfo_);
Path::Component implGetNodeName(Change const& _aChange_) const;
};
//-----------------------------------------------------------------------------
}
}
#endif // CONFIGMGR_COLLECTCHANGES_HXX_
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