118 lines
5.4 KiB
C++
118 lines
5.4 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_SDR_PROPERTIES_DEFAULTPROPERTIES_HXX
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#define INCLUDED_SVX_SDR_PROPERTIES_DEFAULTPROPERTIES_HXX
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#include <sal/config.h>
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#include <optional>
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#include <span>
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#include <svx/sdr/properties/properties.hxx>
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#include <svx/svxdllapi.h>
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#include <svl/itemset.hxx>
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struct _xmlTextWriter;
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typedef struct _xmlTextWriter* xmlTextWriterPtr;
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namespace sdr::properties
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{
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class SVXCORE_DLLPUBLIC DefaultProperties : public BaseProperties
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{
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protected:
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// the to be used ItemSet
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mutable std::optional<SfxItemSet> moItemSet;
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// create a new object specific itemset with object specific ranges.
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SAL_DLLPRIVATE virtual SfxItemSet CreateObjectSpecificItemSet(SfxItemPool& pPool) override;
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// Test changeability for a single item. If an implementation wants to prevent
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// changing an item it should override this method.
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SAL_DLLPRIVATE virtual bool AllowItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = nullptr) const;
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// Do the internal ItemChange. If only nWhich is given, the item needs to be cleared.
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// Also needs to handle if nWhich and pNewItem is 0, which means to clear all items.
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SAL_DLLPRIVATE virtual void ItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = nullptr);
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// Called after ItemChange() is done for all items. Allows local reactions on
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// specific item changes
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SAL_DLLPRIVATE virtual void PostItemChange(const sal_uInt16 nWhich);
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// Internally react on ItemSet changes. The given span contains changed items.
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// If nDeletedWhich is not 0, it indicates a deleted item.
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// @param bAdjustTextFrameWidthAndHeight pass false if you know it is safe to avoid the cost of doing
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// text layout right now.
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SAL_DLLPRIVATE virtual void ItemSetChanged(std::span< const SfxPoolItem* const > aChangedItems, sal_uInt16 nDeletedWhich, bool bAdjustTextFrameWidthAndHeight = true);
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// check if SfxItemSet exists
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bool HasSfxItemSet() const { return bool(moItemSet); }
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public:
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// basic constructor
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explicit DefaultProperties(SdrObject& rObj);
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// constructor for copying, but using new object
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SAL_DLLPRIVATE DefaultProperties(const DefaultProperties& rProps, SdrObject& rObj);
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// destructor
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SAL_DLLPRIVATE virtual ~DefaultProperties() override;
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SAL_DLLPRIVATE void dumpAsXml(xmlTextWriterPtr pWriter) const override;
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// Clone() operator, normally just calls the local copy constructor
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SAL_DLLPRIVATE virtual std::unique_ptr<BaseProperties> Clone(SdrObject& rObj) const override;
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// get itemset
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SAL_DLLPRIVATE virtual const SfxItemSet& GetObjectItemSet() const override;
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// set single item
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SAL_DLLPRIVATE virtual void SetObjectItem(const SfxPoolItem& rItem) override;
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// set single item direct, do not do any notifies or things like that
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SAL_DLLPRIVATE virtual void SetObjectItemDirect(const SfxPoolItem& rItem) override;
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// clear single item
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SAL_DLLPRIVATE virtual void ClearObjectItem(const sal_uInt16 nWhich = 0) override;
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// clear single item direct, do not do any notifies or things like that.
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// Also supports complete deletion of items when default parameter 0 is used.
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SAL_DLLPRIVATE virtual void ClearObjectItemDirect(const sal_uInt16 nWhich) override;
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// set complete item set
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SAL_DLLPRIVATE virtual void SetObjectItemSet(const SfxItemSet& rSet, bool bAdjustTextFrameWidthAndHeight = true) override;
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// set a new StyleSheet and broadcast
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SAL_DLLPRIVATE virtual void SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr,
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bool bBroadcast, bool bAdjustTextFrameWidthAndHeight = true) override;
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// get the installed StyleSheet
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SAL_DLLPRIVATE virtual SfxStyleSheet* GetStyleSheet() const override;
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// force default attributes for a specific object type, called from
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// DefaultProperties::GetObjectItemSet() if a new ItemSet is created.
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// Default implementation does nothing.
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SAL_DLLPRIVATE virtual void ForceDefaultAttributes();
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};
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} // end of namespace sdr::properties
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#endif // INCLUDED_SVX_SDR_PROPERTIES_DEFAULTPROPERTIES_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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