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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SVX_SVDITER_HXX
#define INCLUDED_SVX_SVDITER_HXX
#include <vector>
#include <sal/types.h>
#include <svx/svxdllapi.h>
class SdrObjList;
class SdrObject;
class SdrMarkList;
// SdrObjListIter methods:
// SdrIterMode::Flat : Flat over the list
// SdrIterMode::DeepWithGroups : With recursive descent parser, Next() also returns group objects
// SdrIterMode::DeepNoGroups : With recursive descent parser, Next() returns no group objects
enum class SdrIterMode { Flat, DeepWithGroups, DeepNoGroups };
class SVX_DLLPUBLIC SdrObjListIter
{
std::vector<SdrObject*> maObjList;
sal_uInt32 mnIndex;
bool mbReverse;
void ImpProcessObjectList(const SdrObjList& rObjList, SdrIterMode eMode, bool bUseZOrder);
void ImpProcessMarkList(const SdrMarkList& rMarkList, SdrIterMode eMode);
void ImpProcessObj(SdrObject* pObj, SdrIterMode eMode, bool bUseZOrder);
public:
explicit SdrObjListIter(const SdrObjList& rObjList, SdrIterMode eMode = SdrIterMode::DeepNoGroups, bool bReverse = false);
/** This variant lets the user choose the order in which to travel over
the objects.
@param bUseZOrder
When <TRUE/> then the z-order defines the order of iteration.
Otherwise the navigation position as returned by
SdrObject::GetNavigationPosition() is used.
*/
SdrObjListIter(const SdrObjList& rObjList, bool bUseZOrder, SdrIterMode eMode = SdrIterMode::DeepNoGroups);
/* SJ: the following function can now be used with every
SdrObject and is no longer limited to group objects */
explicit SdrObjListIter(const SdrObject& rObj, SdrIterMode eMode = SdrIterMode::DeepNoGroups);
/** Iterates over a list of marked objects received from the SdrMarkView. */
explicit SdrObjListIter(const SdrMarkList& rMarkList, SdrIterMode eMode = SdrIterMode::DeepNoGroups);
void Reset() { mnIndex = (mbReverse ? maObjList.size() : 0L); }
bool IsMore() const { return (mbReverse ? mnIndex != 0 : ( mnIndex < maObjList.size())); }
SdrObject* Next()
{
sal_uInt32 idx = (mbReverse ? --mnIndex : mnIndex++);
return idx < maObjList.size() ? maObjList[idx] : nullptr;
}
sal_uInt32 Count() { return maObjList.size(); }
};
#endif // INCLUDED_SVX_SVDITER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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