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